\n * [\n * {text: 0,value:0}\n * {text: 1,value:0.2}\n * {text: 2,value:0.4}\n * {text: 3,value:0.6}\n * {text: 4,value:0.8}\n * {text: 5,value:1}\n * ]\n *
\n * @param {Number} count 输出tick的个数的近似值,默认是 10\n * @return {Array} 返回 ticks 数组\n */\n\n\n _proto.getTicks = function getTicks() {\n var self = this;\n var ticks = self.ticks;\n var rst = [];\n each(ticks, function (tick) {\n var obj;\n\n if (isObject(tick)) {\n obj = tick;\n } else {\n obj = {\n text: self.getText(tick),\n tickValue: tick,\n value: self.scale(tick)\n };\n }\n\n rst.push(obj);\n });\n return rst;\n };\n /**\n * 获取格式化后的文本\n * @param {*} value 输入的数据\n * @param {*} key 字段的 key\n * @return {String} 格式化的文本\n */\n\n\n _proto.getText = function getText(value, key) {\n var formatter = this.formatter;\n value = formatter ? formatter(value, key) : value;\n\n if (isNil(value) || !value.toString) {\n value = '';\n }\n\n return value.toString();\n };\n /**\n * 输出的值域最小值\n * @protected\n * @return {Number} 返回最小的值\n */\n\n\n _proto.rangeMin = function rangeMin() {\n return this.range[0];\n };\n /**\n * 输出的值域最大值\n * @protected\n * @return {Number} 返回最大的值\n */\n\n\n _proto.rangeMax = function rangeMax() {\n var range = this.range;\n return range[range.length - 1];\n };\n /**\n * 度量转换后的结果,翻转回输入域\n * @param {Number} value 需要翻转的数值\n * @return {*} 度量的输入值\n */\n\n\n _proto.invert = function invert(value) {\n return value;\n };\n /**\n * 将传入的值从非数值转换成数值格式,如分类字符串、时间字符串等\n * @param {*} value 传入的值\n * @return {Number} 转换的值\n */\n\n\n _proto.translate = function translate(value) {\n return value;\n };\n /**\n * 进行度量转换\n * @param {*} value 输入值\n * @return {Number} 输出值,在设定的输出值域之间,默认[0,1]\n */\n\n\n _proto.scale = function scale(value) {\n return value;\n };\n /**\n * 克隆一个新的scale,拥有跟当前scale相同的输入域、输出域等\n * @return {Scale} 克隆的度量\n */\n\n\n _proto.clone = function clone() {\n var self = this;\n var constr = self.constructor;\n var cfg = {};\n each(self, function (v, k) {\n cfg[k] = self[k];\n });\n return new constr(cfg);\n };\n /**\n * 更改度量的属性信息\n * @param {Object} info 属性信息\n * @chainable\n * @return {Scale} 返回自身的引用\n */\n\n\n _proto.change = function change(info) {\n this.ticks = null;\n mix(this, info);\n this.init();\n return this;\n };\n\n return Scale;\n}();\n\nmodule.exports = Scale;\n\n/***/ }),\n/* 27 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (immutable) */ __webpack_exports__[\"b\"] = Transition;\n/* harmony export (immutable) */ __webpack_exports__[\"a\"] = transition;\n/* harmony export (immutable) */ __webpack_exports__[\"c\"] = newId;\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_d3_selection__ = __webpack_require__(21);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__attr__ = __webpack_require__(502);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__attrTween__ = __webpack_require__(503);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_3__delay__ = __webpack_require__(504);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_4__duration__ = __webpack_require__(505);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_5__ease__ = __webpack_require__(506);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_6__filter__ = __webpack_require__(507);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_7__merge__ = __webpack_require__(508);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_8__on__ = __webpack_require__(509);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_9__remove__ = __webpack_require__(510);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_10__select__ = __webpack_require__(511);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_11__selectAll__ = __webpack_require__(512);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_12__selection__ = __webpack_require__(513);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_13__style__ = __webpack_require__(514);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_14__styleTween__ = __webpack_require__(515);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_15__text__ = __webpack_require__(516);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_16__transition__ = __webpack_require__(517);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_17__tween__ = __webpack_require__(59);\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nvar id = 0;\n\nfunction Transition(groups, parents, name, id) {\n this._groups = groups;\n this._parents = parents;\n this._name = name;\n this._id = id;\n}\n\nfunction transition(name) {\n return __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0_d3_selection__[\"selection\"])().transition(name);\n}\n\nfunction newId() {\n return ++id;\n}\n\nvar selection_prototype = __WEBPACK_IMPORTED_MODULE_0_d3_selection__[\"selection\"].prototype;\n\nTransition.prototype = transition.prototype = {\n constructor: Transition,\n select: __WEBPACK_IMPORTED_MODULE_10__select__[\"a\" /* default */],\n selectAll: __WEBPACK_IMPORTED_MODULE_11__selectAll__[\"a\" /* default */],\n filter: __WEBPACK_IMPORTED_MODULE_6__filter__[\"a\" /* default */],\n merge: __WEBPACK_IMPORTED_MODULE_7__merge__[\"a\" /* default */],\n selection: __WEBPACK_IMPORTED_MODULE_12__selection__[\"a\" /* default */],\n transition: __WEBPACK_IMPORTED_MODULE_16__transition__[\"a\" /* default */],\n call: selection_prototype.call,\n nodes: selection_prototype.nodes,\n node: selection_prototype.node,\n size: selection_prototype.size,\n empty: selection_prototype.empty,\n each: selection_prototype.each,\n on: __WEBPACK_IMPORTED_MODULE_8__on__[\"a\" /* default */],\n attr: __WEBPACK_IMPORTED_MODULE_1__attr__[\"a\" /* default */],\n attrTween: __WEBPACK_IMPORTED_MODULE_2__attrTween__[\"a\" /* default */],\n style: __WEBPACK_IMPORTED_MODULE_13__style__[\"a\" /* default */],\n styleTween: __WEBPACK_IMPORTED_MODULE_14__styleTween__[\"a\" /* default */],\n text: __WEBPACK_IMPORTED_MODULE_15__text__[\"a\" /* default */],\n remove: __WEBPACK_IMPORTED_MODULE_9__remove__[\"a\" /* default */],\n tween: __WEBPACK_IMPORTED_MODULE_17__tween__[\"a\" /* default */],\n delay: __WEBPACK_IMPORTED_MODULE_3__delay__[\"a\" /* default */],\n duration: __WEBPACK_IMPORTED_MODULE_4__duration__[\"a\" /* default */],\n ease: __WEBPACK_IMPORTED_MODULE_5__ease__[\"a\" /* default */]\n};\n\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nif (true) {\n var REACT_ELEMENT_TYPE = (typeof Symbol === 'function' &&\n Symbol.for &&\n Symbol.for('react.element')) ||\n 0xeac7;\n\n var isValidElement = function(object) {\n return typeof object === 'object' &&\n object !== null &&\n object.$$typeof === REACT_ELEMENT_TYPE;\n };\n\n // By explicitly using `prop-types` you are opting into new development behavior.\n // http://fb.me/prop-types-in-prod\n var throwOnDirectAccess = true;\n module.exports = __webpack_require__(521)(isValidElement, throwOnDirectAccess);\n} else {\n // By explicitly using `prop-types` you are opting into new production behavior.\n // http://fb.me/prop-types-in-prod\n module.exports = require('./factoryWithThrowingShims')();\n}\n\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = {\n Axis: __webpack_require__(233),\n Component: __webpack_require__(62),\n Guide: __webpack_require__(241),\n Label: __webpack_require__(245),\n Legend: __webpack_require__(251),\n Tooltip: __webpack_require__(256)\n};\n\n/***/ }),\n/* 30 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (immutable) */ __webpack_exports__[\"b\"] = hue;\n/* harmony export (immutable) */ __webpack_exports__[\"c\"] = gamma;\n/* harmony export (immutable) */ __webpack_exports__[\"a\"] = nogamma;\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__constant__ = __webpack_require__(203);\n\n\nfunction linear(a, d) {\n return function(t) {\n return a + t * d;\n };\n}\n\nfunction exponential(a, b, y) {\n return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) {\n return Math.pow(a + t * b, y);\n };\n}\n\nfunction hue(a, b) {\n var d = b - a;\n return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__constant__[\"a\" /* default */])(isNaN(a) ? b : a);\n}\n\nfunction gamma(y) {\n return (y = +y) === 1 ? nogamma : function(a, b) {\n return b - a ? exponential(a, b, y) : __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__constant__[\"a\" /* default */])(isNaN(a) ? b : a);\n };\n}\n\nfunction nogamma(a, b) {\n var d = b - a;\n return d ? linear(a, d) : __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__constant__[\"a\" /* default */])(isNaN(a) ? b : a);\n}\n\n\n/***/ }),\n/* 31 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar mix = __webpack_require__(10);\n\nvar Adjust =\n/*#__PURE__*/\nfunction () {\n var _proto = Adjust.prototype;\n\n _proto._initDefaultCfg = function _initDefaultCfg() {\n this.adjustNames = ['x', 'y']; // 调整的维度,默认,x,y都做调整\n };\n\n function Adjust(cfg) {\n this._initDefaultCfg();\n\n mix(this, cfg);\n }\n /**\n * @override\n */\n\n\n _proto.processAdjust = function processAdjust()\n /* dataArray */\n {};\n\n return Adjust;\n}();\n\nmodule.exports = Adjust;\n\n/***/ }),\n/* 32 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/**\n * @fileOverview the Attribute base class\n */\nvar isString = __webpack_require__(14);\n\nvar isArray = __webpack_require__(4);\n\nvar isNil = __webpack_require__(6);\n\nvar mix = __webpack_require__(10);\n\nvar each = __webpack_require__(2);\n\nfunction toScaleString(scale, value) {\n if (isString(value)) {\n return value;\n }\n\n return scale.invert(scale.scale(value));\n}\n/**\n * 所有视觉通道属性的基类\n * @class Attr\n */\n\n\nvar AttributeBase =\n/*#__PURE__*/\nfunction () {\n function AttributeBase(cfg) {\n var _this = this;\n\n /**\n * 属性的类型\n * @type {String}\n */\n this.type = 'base';\n /**\n * 属性的名称\n * @type {String}\n */\n\n this.name = null;\n /**\n * 回调函数\n * @type {Function}\n */\n\n this.method = null;\n /**\n * 备选的值数组\n * @type {Array}\n */\n\n this.values = [];\n /**\n * 属性内部的度量\n * @type {Array}\n */\n\n this.scales = [];\n /**\n * 是否通过线性取值, 如果未指定,则根据数值的类型判定\n * @type {Boolean}\n */\n\n this.linear = null;\n /**\n * 当用户设置的 callback 返回 null 时, 应该返回默认 callback 中的值\n */\n\n var mixedCallback = null;\n var defaultCallback = this.callback;\n\n if (cfg.callback) {\n var userCallback = cfg.callback;\n\n mixedCallback = function mixedCallback() {\n for (var _len = arguments.length, params = new Array(_len), _key = 0; _key < _len; _key++) {\n params[_key] = arguments[_key];\n }\n\n var ret = userCallback.apply(void 0, params);\n\n if (isNil(ret)) {\n ret = defaultCallback.apply(_this, params);\n }\n\n return ret;\n };\n }\n\n mix(this, cfg);\n\n if (mixedCallback) {\n mix(this, {\n callback: mixedCallback\n });\n }\n } // 获取属性值,将值映射到视觉通道\n\n\n var _proto = AttributeBase.prototype;\n\n _proto._getAttrValue = function _getAttrValue(scale, value) {\n var values = this.values;\n\n if (scale.isCategory && !this.linear) {\n var index = scale.translate(value);\n return values[index % values.length];\n }\n\n var percent = scale.scale(value);\n return this.getLinearValue(percent);\n };\n /**\n * 如果进行线性映射,返回对应的映射值\n * @protected\n * @param {Number} percent 百分比\n * @return {*} 颜色值、形状、大小等\n */\n\n\n _proto.getLinearValue = function getLinearValue(percent) {\n var values = this.values;\n var steps = values.length - 1;\n var step = Math.floor(steps * percent);\n var leftPercent = steps * percent - step;\n var start = values[step];\n var end = step === steps ? start : values[step + 1];\n var rstValue = start + (end - start) * leftPercent;\n return rstValue;\n };\n /**\n * 默认的回调函数\n * @param {*} value 回调函数的值\n * @type {Function}\n * @return {Array} 返回映射后的值\n */\n\n\n _proto.callback = function callback(value) {\n var self = this;\n var scale = self.scales[0];\n var rstValue = null;\n\n if (scale.type === 'identity') {\n rstValue = scale.value;\n } else {\n rstValue = self._getAttrValue(scale, value);\n }\n\n return rstValue;\n };\n /**\n * 根据度量获取属性名\n * @return {Array} dims of this Attribute\n */\n\n\n _proto.getNames = function getNames() {\n var scales = this.scales;\n var names = this.names;\n var length = Math.min(scales.length, names.length);\n var rst = [];\n\n for (var i = 0; i < length; i++) {\n rst.push(names[i]);\n }\n\n return rst;\n };\n /**\n * 根据度量获取维度名\n * @return {Array} dims of this Attribute\n */\n\n\n _proto.getFields = function getFields() {\n var scales = this.scales;\n var rst = [];\n each(scales, function (scale) {\n rst.push(scale.field);\n });\n return rst;\n };\n /**\n * 根据名称获取度量\n * @param {String} name the name of scale\n * @return {Scale} scale\n */\n\n\n _proto.getScale = function getScale(name) {\n var scales = this.scales;\n var names = this.names;\n var index = names.indexOf(name);\n return scales[index];\n };\n /**\n * 映射数据\n * @param {*} param1...paramn 多个数值\n * @return {Array} 映射的值组成的数组\n */\n\n\n _proto.mapping = function mapping() {\n var scales = this.scales;\n var callback = this.callback;\n\n for (var _len2 = arguments.length, params = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n params[_key2] = arguments[_key2];\n }\n\n var values = params;\n\n if (callback) {\n for (var i = 0, len = params.length; i < len; i++) {\n params[i] = this._toOriginParam(params[i], scales[i]);\n }\n\n values = callback.apply(this, params);\n }\n\n values = [].concat(values);\n return values;\n }; // 原始的参数\n\n\n _proto._toOriginParam = function _toOriginParam(param, scale) {\n var rst = param;\n\n if (!scale.isLinear) {\n if (isArray(param)) {\n rst = [];\n\n for (var i = 0, len = param.length; i < len; i++) {\n rst.push(toScaleString(scale, param[i]));\n }\n } else {\n rst = toScaleString(scale, param);\n }\n }\n\n return rst;\n };\n\n return AttributeBase;\n}();\n\nmodule.exports = AttributeBase;\n\n/***/ }),\n/* 33 */\n/***/ (function(module, exports, __webpack_require__) {\n\nfunction _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }\n\nvar Component = __webpack_require__(34);\n\nvar Util = __webpack_require__(3);\n\nvar Grid = __webpack_require__(101);\n\nvar Label = __webpack_require__(103);\n\nvar _require = __webpack_require__(18),\n FONT_FAMILY = _require.FONT_FAMILY;\n\nvar Axis =\n/*#__PURE__*/\nfunction (_Component) {\n _inheritsLoose(Axis, _Component);\n\n function Axis() {\n return _Component.apply(this, arguments) || this;\n }\n\n var _proto = Axis.prototype;\n\n _proto.getDefaultCfg = function getDefaultCfg() {\n var cfg = _Component.prototype.getDefaultCfg.call(this);\n\n return Util.mix({}, cfg, {\n /**\n * 用于动画,唯一标识的 id\n * @type {[type]}\n */\n _id: null,\n zIndex: 4,\n\n /**\n * 坐标轴上的坐标点\n * @type {Array}\n */\n ticks: null,\n\n /**\n * 坐标轴线的配置信息,如果设置成null,则不显示轴线\n * @type {Object}\n */\n line: null,\n\n /**\n * 坐标轴刻度线的配置,如果设置成null,则不显示刻度线\n * @type {Object}\n */\n tickLine: null,\n\n /**\n * 次刻度线个数配置\n * @type {Number}\n */\n subTickCount: 0,\n\n /**\n * 次刻度线样式配置\n * @type {Object}\n */\n subTickLine: null,\n\n /**\n * 网格线配置,如果值为 null,则不显示\n * @type {Object}\n */\n grid: null,\n\n /**\n * 坐标轴文本配置\n * @type {Object}\n */\n label: {\n offset: 0,\n offsetX: 0,\n offsetY: 0,\n textStyle: {},\n // 坐标轴文本样式\n autoRotate: true,\n autoHide: false,\n formatter: null // 坐标轴文本格式化回调函数\n\n },\n labelItems: [],\n\n /**\n * 坐标轴标题配置\n * @type {Object}\n */\n title: {\n autoRotate: true,\n // 文本是否自动旋转\n textStyle: {} // 坐标轴标题样式\n\n },\n autoPaint: true\n });\n };\n\n _proto.beforeRender = function beforeRender() {\n var self = this;\n var title = self.get('title');\n var label = self.get('label');\n var grid = self.get('grid');\n\n if (title) {\n self.set('title', Util.deepMix({\n autoRotate: true,\n textStyle: {\n fontSize: 12,\n fill: '#ccc',\n textBaseline: 'middle',\n fontFamily: FONT_FAMILY,\n textAlign: 'center'\n },\n offset: 48\n }, title));\n }\n\n if (label) {\n self.set('label', Util.deepMix({\n autoRotate: true,\n autoHide: true,\n textStyle: {\n fontSize: 12,\n fill: '#ccc',\n textBaseline: 'middle',\n fontFamily: FONT_FAMILY\n },\n offset: 10\n }, label));\n }\n\n if (grid) {\n self.set('grid', Util.deepMix({\n lineStyle: {\n lineWidth: 1,\n stroke: '#C0D0E0'\n }\n }, grid));\n }\n };\n\n _proto.render = function render() {\n var self = this;\n self.beforeRender();\n var labelCfg = self.get('label');\n\n if (labelCfg) {\n self.renderLabels();\n }\n\n if (self.get('autoPaint')) {\n self.paint();\n }\n\n if (!Util.isNil(self.get('title'))) {\n self.renderTitle();\n }\n\n self.get('group').sort();\n };\n\n _proto.renderLabels = function renderLabels() {\n var self = this;\n var group = self.get('group');\n var labelCfg = self.get('label');\n var labelRenderer = new Label();\n self.set('labelRenderer', labelRenderer);\n labelRenderer.set('labelCfg', labelCfg);\n var cfgs2copy = ['formatter', 'htmlTemplate', 'labelLine', 'textStyle', 'useHtml'];\n Util.each(cfgs2copy, function (cfg) {\n if (labelCfg[cfg]) {\n labelRenderer.set(cfg, labelCfg[cfg]);\n }\n });\n labelRenderer.set('coord', self.get('coord'));\n labelRenderer.set('group', group.addGroup());\n labelRenderer.set('canvas', self.get('canvas'));\n };\n\n _proto._parseTicks = function _parseTicks(ticks) {\n ticks = ticks || [];\n var ticksLength = ticks.length;\n\n for (var i = 0; i < ticksLength; i++) {\n var item = ticks[i];\n\n if (!Util.isObject(item)) {\n ticks[i] = this.parseTick(item, i, ticksLength);\n }\n }\n\n this.set('ticks', ticks);\n return ticks;\n };\n\n _proto._addTickItem = function _addTickItem(index, point, length, type) {\n if (type === void 0) {\n type = '';\n }\n\n var tickItems = this.get('tickItems');\n var subTickItems = this.get('subTickItems');\n var end = this.getTickEnd(point, length, index);\n var cfg = {\n x1: point.x,\n y1: point.y,\n x2: end.x,\n y2: end.y\n };\n\n if (!tickItems) {\n tickItems = [];\n }\n\n if (!subTickItems) {\n subTickItems = [];\n }\n\n if (type === 'sub') {\n subTickItems.push(cfg);\n } else {\n tickItems.push(cfg);\n }\n\n this.set('tickItems', tickItems);\n this.set('subTickItems', subTickItems);\n };\n\n _proto._renderLine = function _renderLine() {\n var self = this;\n var lineCfg = self.get('line');\n var path;\n\n if (lineCfg) {\n path = self.getLinePath();\n lineCfg = Util.mix({\n path: path\n }, lineCfg);\n var group = self.get('group');\n var lineShape = group.addShape('path', {\n attrs: lineCfg\n });\n lineShape.name = 'axis-line';\n self.get('appendInfo') && lineShape.setSilent('appendInfo', self.get('appendInfo'));\n self.set('lineShape', lineShape);\n }\n };\n\n _proto._processCatTicks = function _processCatTicks() {\n var self = this;\n var labelCfg = self.get('label');\n var tickLineCfg = self.get('tickLine');\n var ticks = self.get('ticks');\n ticks = self._parseTicks(ticks);\n\n var new_ticks = self._getNormalizedTicks(ticks);\n\n for (var i = 0; i < new_ticks.length; i += 3) {\n var p = self.getTickPoint(new_ticks[i]);\n var p0 = self.getTickPoint(new_ticks[i + 1]);\n var p1 = self.getTickPoint(new_ticks[i + 2]);\n var index = Math.floor(i / 3);\n var tick = ticks[index];\n\n if (tickLineCfg) {\n if (index === 0) {\n self._addTickItem(index, p0, tickLineCfg.length);\n }\n\n self._addTickItem(index, p1, tickLineCfg.length);\n }\n\n if (labelCfg) {\n self.addLabel(tick, p, index);\n }\n }\n };\n\n _proto._getNormalizedTicks = function _getNormalizedTicks(ticks) {\n var tickSeg = 0;\n\n if (ticks.length > 1) {\n tickSeg = (ticks[1].value - ticks[0].value) / 2;\n }\n\n var points = [];\n\n for (var i = 0; i < ticks.length; i++) {\n var tick = ticks[i];\n var p = tick.value;\n var p0 = tick.value - tickSeg;\n var p1 = tick.value + tickSeg;\n points.push(p, p0, p1);\n }\n\n var range = Util.arrayUtil.getRange(points);\n return points.map(function (p) {\n var norm = (p - range.min) / (range.max - range.min);\n return norm;\n });\n };\n\n _proto.addLabel = function addLabel(tick, point, index) {\n var self = this;\n var labelItems = self.get('labelItems');\n var labelRenderer = self.get('labelRenderer');\n var label = Util.deepMix({}, self.get('label'));\n var rst;\n\n if (labelRenderer) {\n var offset = self.get('_labelOffset');\n\n if (!Util.isNil(self.get('label').offset)) {\n offset = self.get('label').offset;\n }\n\n var vector = self.getSideVector(offset, point, index);\n point = {\n x: point.x + vector[0] + label.offsetX,\n y: point.y + vector[1] + label.offsetY\n };\n label.text = tick.text;\n label.x = point.x;\n label.y = point.y;\n label.point = point;\n label.textAlign = self.getTextAnchor(vector);\n\n if (point.rotate) {\n label.rotate = point.rotate;\n }\n\n labelItems.push(label);\n }\n\n return rst;\n };\n\n _proto._processTicks = function _processTicks() {\n var self = this;\n var labelCfg = self.get('label');\n var subTickCount = self.get('subTickCount');\n var tickLineCfg = self.get('tickLine');\n var ticks = self.get('ticks');\n ticks = self._parseTicks(ticks);\n Util.each(ticks, function (tick, index) {\n var tickPoint = self.getTickPoint(tick.value, index);\n\n if (tickLineCfg) {\n self._addTickItem(index, tickPoint, tickLineCfg.length);\n }\n\n if (labelCfg) {\n self.addLabel(tick, tickPoint, index);\n }\n });\n\n if (subTickCount) {\n // 如果有设置次级分点,添加次级tick\n var subTickLineCfg = self.get('subTickLine');\n Util.each(ticks, function (tick, index) {\n if (index > 0) {\n var diff = tick.value - ticks[index - 1].value;\n diff = diff / (self.get('subTickCount') + 1);\n\n for (var i = 1; i <= subTickCount; i++) {\n var subTick = {\n text: '',\n value: index ? ticks[index - 1].value + i * diff : i * diff\n };\n var tickPoint = self.getTickPoint(subTick.value);\n var subTickLength = void 0;\n\n if (subTickLineCfg && subTickLineCfg.length) {\n subTickLength = subTickLineCfg.length;\n } else {\n subTickLength = parseInt(tickLineCfg.length * (3 / 5), 10);\n }\n\n self._addTickItem(i - 1, tickPoint, subTickLength, 'sub');\n }\n }\n });\n }\n };\n\n _proto._addTickLine = function _addTickLine(ticks, lineCfg) {\n var self = this;\n var cfg = Util.mix({}, lineCfg);\n var path = [];\n Util.each(ticks, function (item) {\n path.push(['M', item.x1, item.y1]);\n path.push(['L', item.x2, item.y2]);\n });\n delete cfg.length;\n cfg.path = path;\n var group = self.get('group');\n var tickShape = group.addShape('path', {\n attrs: cfg\n });\n tickShape.name = 'axis-ticks';\n tickShape._id = self.get('_id') + '-ticks';\n tickShape.set('coord', self.get('coord'));\n self.get('appendInfo') && tickShape.setSilent('appendInfo', self.get('appendInfo'));\n };\n\n _proto._renderTicks = function _renderTicks() {\n var self = this;\n var tickItems = self.get('tickItems');\n var subTickItems = self.get('subTickItems');\n\n if (!Util.isEmpty(tickItems)) {\n var tickLineCfg = self.get('tickLine');\n\n self._addTickLine(tickItems, tickLineCfg);\n }\n\n if (!Util.isEmpty(subTickItems)) {\n var subTickLineCfg = self.get('subTickLine') || self.get('tickLine');\n\n self._addTickLine(subTickItems, subTickLineCfg);\n }\n };\n\n _proto._renderGrid = function _renderGrid() {\n var grid = this.get('grid');\n\n if (!grid) {\n return;\n }\n\n grid.coord = this.get('coord');\n grid.appendInfo = this.get('appendInfo');\n var group = this.get('group');\n this.set('gridGroup', group.addGroup(Grid, grid));\n };\n\n _proto._renderLabels = function _renderLabels() {\n var self = this;\n var labelRenderer = self.get('labelRenderer');\n var labelItems = self.get('labelItems');\n\n if (labelRenderer) {\n labelRenderer.set('items', labelItems);\n\n labelRenderer._dryDraw();\n }\n };\n\n _proto.paint = function paint() {\n var self = this;\n var tickLineCfg = self.get('tickLine');\n var alignWithLabel = true;\n\n if (tickLineCfg && tickLineCfg.hasOwnProperty('alignWithLabel')) {\n alignWithLabel = tickLineCfg.alignWithLabel;\n }\n\n self._renderLine();\n\n var type = self.get('type');\n var isCat = type === 'cat' || type === 'timeCat';\n\n if (isCat && alignWithLabel === false) {\n self._processCatTicks();\n } else {\n self._processTicks();\n }\n\n self._renderTicks();\n\n self._renderGrid();\n\n self._renderLabels();\n\n var labelCfg = this.get('label');\n\n if (labelCfg && labelCfg.autoRotate) {\n self.autoRotateLabels();\n }\n\n if (labelCfg && labelCfg.autoHide) {\n self.autoHideLabels();\n }\n };\n\n _proto.parseTick = function parseTick(tick, index, length) {\n return {\n text: tick,\n value: index / (length - 1)\n };\n };\n\n _proto.getTextAnchor = function getTextAnchor(vector) {\n var ratio = Math.abs(vector[1] / vector[0]);\n var align;\n\n if (ratio >= 1) {\n // 上面或者下面\n align = 'center';\n } else {\n if (vector[0] > 0) {\n // 右侧\n align = 'start';\n } else {\n // 左侧\n align = 'end';\n }\n }\n\n return align;\n };\n\n _proto.getMaxLabelWidth = function getMaxLabelWidth(labelRenderer) {\n var labels = labelRenderer.getLabels();\n var max = 0;\n Util.each(labels, function (label) {\n var bbox = label.getBBox();\n var width = bbox.width;\n\n if (max < width) {\n max = width;\n }\n });\n return max;\n };\n\n _proto.getMaxLabelHeight = function getMaxLabelHeight(labelRenderer) {\n var labels = labelRenderer.getLabels();\n var max = 0;\n Util.each(labels, function (label) {\n var bbox = label.getBBox();\n var height = bbox.height;\n\n if (max < height) {\n max = height;\n }\n });\n return max;\n };\n\n _proto.destroy = function destroy() {\n var self = this;\n\n if (!self.destroyed) {\n _Component.prototype.destroy.call(this);\n\n var gridGroup = self.get('gridGroup');\n gridGroup && gridGroup.remove();\n var labelRenderer = this.get('labelRenderer');\n labelRenderer && labelRenderer.destroy();\n var group = self.get('group');\n group.destroy();\n self.destroyed = true;\n }\n };\n\n _proto.clear = function clear() {\n var self = this;\n var group = self.get('group');\n\n if (!group.get('destroyed') && group.get('children').length) {\n var gridGroup = self.get('gridGroup');\n gridGroup && gridGroup.clear();\n var labelRenderer = this.get('labelRenderer');\n labelRenderer && labelRenderer.clear();\n\n var _group = self.get('group');\n\n _group.clear();\n }\n };\n /**\n * 旋转文本\n * @abstract\n * @return {[type]} [description]\n */\n\n\n _proto.autoRotateLabels = function autoRotateLabels() {};\n /**\n * 文本自动防遮罩\n * @abstract\n * @return {[type]} [description]\n */\n\n\n _proto.autoHideLabels = function autoHideLabels() {};\n /**\n * 渲染标题\n * @abstract\n * @return {[type]} [description]\n */\n\n\n _proto.renderTitle = function renderTitle() {};\n /**\n * 获取坐标轴线的 path\n * @abstract\n * @return {[type]} [description]\n */\n\n\n _proto.getLinePath = function getLinePath() {};\n /**\n * 获取 tick 在画布上的位置\n * @abstract\n * @return {[type]} [description]\n */\n\n\n _proto.getTickPoint = function getTickPoint() {};\n /**\n * 获取标示坐标点的线的终点\n * @abstract\n * @return {[type]} [description]\n */\n\n\n _proto.getTickEnd = function getTickEnd() {};\n /**\n * 获取距离坐标轴的向量\n * @abstract\n * @return {[type]} [description]\n */\n\n\n _proto.getSideVector = function getSideVector() {};\n\n return Axis;\n}(Component);\n\nmodule.exports = Axis;\n\n/***/ }),\n/* 34 */\n/***/ (function(module, exports, __webpack_require__) {\n\nfunction _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }\n\nvar Base = __webpack_require__(62);\n\nvar Component =\n/*#__PURE__*/\nfunction (_Base) {\n _inheritsLoose(Component, _Base);\n\n function Component() {\n return _Base.apply(this, arguments) || this;\n }\n\n var _proto = Component.prototype;\n\n // 配置\n _proto.getDefaultCfg = function getDefaultCfg() {\n return {\n // 顶层标志位\n _id: null,\n // 用于动画\n // 容器\n canvas: null,\n container: null,\n // html,可选\n group: null,\n // G Group,可选\n // 交互属性\n capture: false,\n // props\n coord: null,\n offset: [0, 0],\n plotRange: null,\n // BBox\n position: [0, 0],\n visible: true,\n zIndex: 1\n };\n }; // 基础生命周期\n\n\n _proto._init = function _init() {};\n\n _proto.clear = function clear() {};\n\n _proto.destroy = function destroy() {}; // 绘图\n\n\n _proto.beforeRender = function beforeRender() {};\n\n _proto.render = function render() {}; // 初始化、绑事件和绘图\n\n\n _proto.afterRender = function afterRender() {};\n\n _proto.beforeDraw = function beforeDraw() {};\n\n _proto.draw = function draw() {}; // 单纯更新视图\n\n\n _proto.afterDraw = function afterDraw() {}; // visibility\n\n\n _proto.show = function show() {};\n\n _proto.hide = function hide() {}; // props operating syntactic sugar\n\n\n _proto.setOffset = function setOffset() {};\n\n _proto.setPosition = function setPosition() {};\n\n _proto.setVisible = function setVisible() {};\n\n _proto.setZIndex = function setZIndex() {};\n\n return Component;\n}(Base);\n\nmodule.exports = Component;\n\n/***/ }),\n/* 35 */\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = {\n Canvas: __webpack_require__(311),\n Group: __webpack_require__(127),\n Shape: __webpack_require__(7),\n Arc: __webpack_require__(129),\n Circle: __webpack_require__(130),\n Dom: __webpack_require__(131),\n Ellipse: __webpack_require__(132),\n Fan: __webpack_require__(133),\n Image: __webpack_require__(134),\n Line: __webpack_require__(135),\n Marker: __webpack_require__(68),\n Path: __webpack_require__(138),\n Polygon: __webpack_require__(139),\n Polyline: __webpack_require__(140),\n Rect: __webpack_require__(141),\n Text: __webpack_require__(142),\n PathSegment: __webpack_require__(47),\n PathUtil: __webpack_require__(71),\n Event: __webpack_require__(128),\n // version, etc.\n version: '3.3.5'\n};\n\n/***/ }),\n/* 36 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar Util = __webpack_require__(1);\n\nvar regexTags = /[MLHVQTCSAZ]([^MLHVQTCSAZ]*)/ig;\nvar regexDot = /[^\\s\\,]+/ig;\nmodule.exports = {\n parseRadius: function parseRadius(radius) {\n var r1 = 0,\n r2 = 0,\n r3 = 0,\n r4 = 0;\n\n if (Util.isArray(radius)) {\n if (radius.length === 1) {\n r1 = r2 = r3 = r4 = radius[0];\n } else if (radius.length === 2) {\n r1 = r3 = radius[0];\n r2 = r4 = radius[1];\n } else if (radius.length === 3) {\n r1 = radius[0];\n r2 = r4 = radius[1];\n r3 = radius[2];\n } else {\n r1 = radius[0];\n r2 = radius[1];\n r3 = radius[2];\n r4 = radius[3];\n }\n } else {\n r1 = r2 = r3 = r4 = radius;\n }\n\n return {\n r1: r1,\n r2: r2,\n r3: r3,\n r4: r4\n };\n },\n parsePath: function parsePath(path) {\n path = path || [];\n\n if (Util.isArray(path)) {\n return path;\n }\n\n if (Util.isString(path)) {\n path = path.match(regexTags);\n Util.each(path, function (item, index) {\n item = item.match(regexDot);\n\n if (item[0].length > 1) {\n var tag = item[0].charAt(0);\n item.splice(1, 0, item[0].substr(1));\n item[0] = tag;\n }\n\n Util.each(item, function (sub, i) {\n if (!isNaN(sub)) {\n item[i] = +sub;\n }\n });\n path[index] = item;\n });\n return path;\n }\n }\n};\n\n/***/ }),\n/* 37 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isNil = __webpack_require__(6);\n\nfunction toString(value) {\n if (isNil(value)) return '';\n return value.toString();\n}\n\nmodule.exports = toString;\n\n/***/ }),\n/* 38 */\n/***/ (function(module, exports) {\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar isObject = function isObject(value) {\n /**\n * isObject({}) => true\n * isObject([1, 2, 3]) => true\n * isObject(Function) => true\n * isObject(null) => false\n */\n var type = typeof value === 'undefined' ? 'undefined' : _typeof(value);\n return value !== null && type === 'object' || type === 'function';\n};\n\nmodule.exports = isObject;\n\n/***/ }),\n/* 39 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isObjectLike = __webpack_require__(80);\nvar isType = __webpack_require__(15);\n\nvar isPlainObject = function isPlainObject(value) {\n /**\n * isObjectLike(new Foo) => false\n * isObjectLike([1, 2, 3]) => false\n * isObjectLike({ x: 0, y: 0 }) => true\n * isObjectLike(Object.create(null)) => true\n */\n if (!isObjectLike(value) || !isType(value, 'Object')) {\n return false;\n }\n if (Object.getPrototypeOf(value) === null) {\n return true;\n }\n var proto = value;\n while (Object.getPrototypeOf(proto) !== null) {\n proto = Object.getPrototypeOf(proto);\n }\n return Object.getPrototypeOf(value) === proto;\n};\n\nmodule.exports = isPlainObject;\n\n/***/ }),\n/* 40 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (immutable) */ __webpack_exports__[\"b\"] = hue;\n/* harmony export (immutable) */ __webpack_exports__[\"c\"] = gamma;\n/* harmony export (immutable) */ __webpack_exports__[\"a\"] = nogamma;\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__constant__ = __webpack_require__(196);\n\n\nfunction linear(a, d) {\n return function(t) {\n return a + t * d;\n };\n}\n\nfunction exponential(a, b, y) {\n return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) {\n return Math.pow(a + t * b, y);\n };\n}\n\nfunction hue(a, b) {\n var d = b - a;\n return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__constant__[\"a\" /* default */])(isNaN(a) ? b : a);\n}\n\nfunction gamma(y) {\n return (y = +y) === 1 ? nogamma : function(a, b) {\n return b - a ? exponential(a, b, y) : __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__constant__[\"a\" /* default */])(isNaN(a) ? b : a);\n };\n}\n\nfunction nogamma(a, b) {\n var d = b - a;\n return d ? linear(a, d) : __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__constant__[\"a\" /* default */])(isNaN(a) ? b : a);\n}\n\n\n/***/ }),\n/* 41 */\n/***/ (function(module, exports) {\n\nmodule.exports = __WEBPACK_EXTERNAL_MODULE_41__;\n\n/***/ }),\n/* 42 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\n/**\n * @fileOverview the base class of Coordinate\n * @author sima.zhang\n */\nvar MatrixUtil = __webpack_require__(52);\n\nvar mix = __webpack_require__(10);\n\nvar mat3 = MatrixUtil.mat3;\nvar vec3 = MatrixUtil.vec3;\n\nvar Coord =\n/*#__PURE__*/\nfunction () {\n _createClass(Coord, [{\n key: \"getDefaultCfg\",\n\n /**\n * 获取默认的配置属性\n * @protected\n * @return {Object} 默认属性\n */\n value: function getDefaultCfg() {\n return {\n /**\n * Mark x y is transposed.\n * @type {Boolean}\n */\n isTransposed: false,\n\n /**\n * The matrix of coordinate\n * @type {Array}\n */\n matrix: [1, 0, 0, 0, 1, 0, 0, 0, 1]\n };\n }\n }]);\n\n function Coord(cfg) {\n _classCallCheck(this, Coord);\n\n var defaultCfg = this.getDefaultCfg();\n mix(this, defaultCfg, cfg);\n this.init();\n }\n\n _createClass(Coord, [{\n key: \"init\",\n value: function init() {\n var start = this.start;\n var end = this.end;\n var center = {\n x: (start.x + end.x) / 2,\n y: (start.y + end.y) / 2\n };\n this.center = center;\n this.width = Math.abs(end.x - start.x);\n this.height = Math.abs(end.y - start.y);\n }\n }, {\n key: \"_swapDim\",\n value: function _swapDim(dim) {\n var dimRange = this[dim];\n\n if (dimRange) {\n var tmp = dimRange.start;\n dimRange.start = dimRange.end;\n dimRange.end = tmp;\n }\n }\n }, {\n key: \"getCenter\",\n value: function getCenter() {\n return this.center;\n }\n }, {\n key: \"getWidth\",\n value: function getWidth() {\n return this.width;\n }\n }, {\n key: \"getHeight\",\n value: function getHeight() {\n return this.height;\n }\n }, {\n key: \"convertDim\",\n value: function convertDim(percent, dim) {\n var _this$dim = this[dim],\n start = _this$dim.start,\n end = _this$dim.end;\n return start + percent * (end - start);\n }\n }, {\n key: \"invertDim\",\n value: function invertDim(value, dim) {\n var _this$dim2 = this[dim],\n start = _this$dim2.start,\n end = _this$dim2.end;\n return (value - start) / (end - start);\n }\n /**\n * 将归一化的坐标点数据转换为画布坐标\n * @override\n * @param {Object} point 归一化的坐标点\n * @return {Object} 返回画布坐标\n */\n\n }, {\n key: \"convertPoint\",\n value: function convertPoint(point) {\n return point;\n }\n /**\n * 将画布坐标转换为归一化的坐标点数据\n * @override\n * @param {Object} point 画布坐标点数据\n * @return {Object} 归一化后的数据点\n */\n\n }, {\n key: \"invertPoint\",\n value: function invertPoint(point) {\n return point;\n }\n /**\n * 将坐标点进行矩阵变换\n * @param {Number} x 对应 x 轴画布坐标\n * @param {Number} y 对应 y 轴画布坐标\n * @param {Number} tag 默认为 0,可取值 0, 1\n * @return {Array} 返回变换后的三阶向量 [x, y, z]\n */\n\n }, {\n key: \"applyMatrix\",\n value: function applyMatrix(x, y) {\n var tag = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;\n var matrix = this.matrix;\n var vector = [x, y, tag];\n vec3.transformMat3(vector, vector, matrix);\n return vector;\n }\n /**\n * 将坐标点进行矩阵逆变换\n * @param {Number} x 对应 x 轴画布坐标\n * @param {Number} y 对应 y 轴画布坐标\n * @param {Number} tag 默认为 0,可取值 0, 1\n * @return {Array} 返回矩阵逆变换后的三阶向量 [x, y, z]\n */\n\n }, {\n key: \"invertMatrix\",\n value: function invertMatrix(x, y) {\n var tag = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;\n var matrix = this.matrix;\n var inversedMatrix = mat3.invert([], matrix);\n var vector = [x, y, tag];\n vec3.transformMat3(vector, vector, inversedMatrix);\n return vector;\n }\n /**\n * 将归一化的坐标点数据转换为画布坐标,并根据坐标系当前矩阵进行变换\n * @param {Object} point 归一化的坐标点\n * @return {Object} 返回进行矩阵变换后的画布坐标\n */\n\n }, {\n key: \"convert\",\n value: function convert(point) {\n var _this$convertPoint = this.convertPoint(point),\n x = _this$convertPoint.x,\n y = _this$convertPoint.y;\n\n var vector = this.applyMatrix(x, y, 1);\n return {\n x: vector[0],\n y: vector[1]\n };\n }\n /**\n * 将进行过矩阵变换画布坐标转换为归一化坐标\n * @param {Object} point 画布坐标\n * @return {Object} 返回归一化的坐标点\n */\n\n }, {\n key: \"invert\",\n value: function invert(point) {\n var vector = this.invertMatrix(point.x, point.y, 1);\n return this.invertPoint({\n x: vector[0],\n y: vector[1]\n });\n }\n /**\n * 坐标系旋转变换\n * @param {Number} radian 旋转弧度\n * @return {Object} 返回坐标系对象\n */\n\n }, {\n key: \"rotate\",\n value: function rotate(radian) {\n var matrix = this.matrix;\n var center = this.center;\n mat3.translate(matrix, matrix, [-center.x, -center.y]);\n mat3.rotate(matrix, matrix, radian);\n mat3.translate(matrix, matrix, [center.x, center.y]);\n return this;\n }\n /**\n * 坐标系反射变换\n * @param {String} dim 反射维度\n * @return {Object} 返回坐标系对象\n */\n\n }, {\n key: \"reflect\",\n value: function reflect(dim) {\n switch (dim) {\n case 'x':\n this._swapDim('x');\n\n break;\n\n case 'y':\n this._swapDim('y');\n\n break;\n\n default:\n this._swapDim('y');\n\n }\n\n return this;\n }\n /**\n * 坐标系比例变换\n * @param {Number} s1 x 方向缩放比例\n * @param {Number} s2 y 方向缩放比例\n * @return {Object} 返回坐标系对象\n */\n\n }, {\n key: \"scale\",\n value: function scale(s1, s2) {\n var matrix = this.matrix;\n var center = this.center;\n 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* @fileOverview the base class of Coordinate\n * @author sima.zhang\n */\nconst MatrixUtil = require('@antv/util/lib/matrix/');\nconst mix = require('@antv/util/lib/mix');\n\nconst mat3 = MatrixUtil.mat3;\nconst vec3 = MatrixUtil.vec3;\n\nclass Coord {\n  /**\n   * 获取默认的配置属性\n   * @protected\n   * @return {Object} 默认属性\n   */\n  getDefaultCfg() {\n    return {\n      /**\n       * Mark x y is transposed.\n       * @type {Boolean}\n       */\n      isTransposed: false,\n      /**\n       * The matrix of coordinate\n       * @type {Array}\n       */\n      matrix: [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ]\n    };\n  }\n\n  constructor(cfg) {\n    const defaultCfg = this.getDefaultCfg();\n    mix(this, defaultCfg, cfg);\n    this.init();\n  }\n\n  init() {\n    const start = this.start;\n    const end = this.end;\n    const center = {\n      x: (start.x + end.x) / 2,\n      y: (start.y + end.y) / 2\n    };\n\n    this.center = center;\n    this.width = Math.abs(end.x - start.x);\n    this.height = Math.abs(end.y - start.y);\n  }\n\n  _swapDim(dim) {\n    const dimRange = this[dim];\n    if (dimRange) {\n      const tmp = dimRange.start;\n      dimRange.start = dimRange.end;\n      dimRange.end = tmp;\n    }\n  }\n\n  getCenter() {\n    return this.center;\n  }\n\n  getWidth() {\n    return this.width;\n  }\n\n  getHeight() {\n    return this.height;\n  }\n\n  convertDim(percent, dim) {\n    const { start, end } = this[dim];\n    return start + percent * (end - start);\n  }\n\n  invertDim(value, dim) {\n    const { start, end } = this[dim];\n    return (value - start) / (end - start);\n  }\n\n  /**\n   * 将归一化的坐标点数据转换为画布坐标\n   * @override\n   * @param  {Object} point 归一化的坐标点\n   * @return {Object}       返回画布坐标\n   */\n  convertPoint(point) {\n    return point;\n  }\n\n  /**\n   * 将画布坐标转换为归一化的坐标点数据\n   * @override\n   * @param  {Object} point 画布坐标点数据\n   * @return {Object}       归一化后的数据点\n   */\n  invertPoint(point) {\n    return point;\n  }\n\n  /**\n   * 将坐标点进行矩阵变换\n   * @param  {Number} x   对应 x 轴画布坐标\n   * @param  {Number} y   对应 y 轴画布坐标\n   * @param  {Number} tag 默认为 0，可取值 0, 1\n   * @return {Array}     返回变换后的三阶向量 [x, y, z]\n   */\n  applyMatrix(x, y, tag = 0) {\n    const matrix = this.matrix;\n    const vector = [ x, y, tag ];\n    vec3.transformMat3(vector, vector, matrix);\n    return vector;\n  }\n\n  /**\n   * 将坐标点进行矩阵逆变换\n   * @param  {Number} x   对应 x 轴画布坐标\n   * @param  {Number} y   对应 y 轴画布坐标\n   * @param  {Number} tag 默认为 0，可取值 0, 1\n   * @return {Array}     返回矩阵逆变换后的三阶向量 [x, y, z]\n   */\n  invertMatrix(x, y, tag = 0) {\n    const matrix = this.matrix;\n    const inversedMatrix = mat3.invert([], matrix);\n    const vector = [ x, y, tag ];\n    vec3.transformMat3(vector, vector, inversedMatrix);\n    return vector;\n  }\n\n  /**\n   * 将归一化的坐标点数据转换为画布坐标，并根据坐标系当前矩阵进行变换\n   * @param  {Object} point 归一化的坐标点\n   * @return {Object}       返回进行矩阵变换后的画布坐标\n   */\n  convert(point) {\n    const { x, y } = this.convertPoint(point);\n    const vector = this.applyMatrix(x, y, 1);\n    return {\n      x: vector[0],\n      y: vector[1]\n    };\n  }\n\n  /**\n   * 将进行过矩阵变换画布坐标转换为归一化坐标\n   * @param  {Object} point 画布坐标\n   * @return {Object}       返回归一化的坐标点\n   */\n  invert(point) {\n    const vector = this.invertMatrix(point.x, point.y, 1);\n    return this.invertPoint({\n      x: vector[0],\n      y: vector[1]\n    });\n  }\n\n  /**\n   * 坐标系旋转变换\n   * @param  {Number} radian 旋转弧度\n   * @return {Object}        返回坐标系对象\n   */\n  rotate(radian) {\n    const matrix = this.matrix;\n    const center = this.center;\n    mat3.translate(matrix, matrix, [ -center.x, -center.y ]);\n    mat3.rotate(matrix, matrix, radian);\n    mat3.translate(matrix, matrix, [ center.x, center.y ]);\n    return this;\n  }\n\n  /**\n   * 坐标系反射变换\n   * @param  {String} dim 反射维度\n   * @return {Object}     返回坐标系对象\n   */\n  reflect(dim) {\n    switch (dim) {\n      case 'x':\n        this._swapDim('x');\n        break;\n      case 'y':\n        this._swapDim('y');\n        break;\n      default:\n        this._swapDim('y');\n    }\n    return this;\n  }\n\n  /**\n   * 坐标系比例变换\n   * @param  {Number} s1 x 方向缩放比例\n   * @param  {Number} s2 y 方向缩放比例\n   * @return {Object}    返回坐标系对象\n   */\n  scale(s1, s2) {\n    const matrix = this.matrix;\n    const center = this.center;\n    mat3.translate(matrix, matrix, [ -center.x, -center.y ]);\n    mat3.scale(matrix, matrix, [ s1, s2 ]);\n    mat3.translate(matrix, matrix, [ center.x, center.y ]);\n    return this;\n  }\n\n  /**\n   * 坐标系平移变换\n   * @param  {Number} x x 方向平移像素\n   * @param  {Number} y y 方向平移像素\n   * @return {Object}   返回坐标系对象\n   */\n  translate(x, y) {\n    const matrix = this.matrix;\n    mat3.translate(matrix, matrix, [ x, y ]);\n    return this;\n  }\n\n  /**\n   * 将坐标系 x y 两个轴进行转置\n   * @return {Object} 返回坐标系对象\n   */\n  transpose() {\n    this.isTransposed = !this.isTransposed;\n    return this;\n  }\n}\n\nmodule.exports = Coord;\n"]}\n\n/***/ }),\n/* 43 */\n/***/ (function(module, exports, 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facets.length; i++) {\n var facet = facets[i];\n var region = facet.region;\n var view = chart.view({\n start: region.start,\n end: region.end,\n padding: this.padding\n });\n view.source(facet.data);\n this.beforeProcessView(view, facet);\n\n if (eachView) {\n eachView(view, facet);\n }\n\n this.afterProcessView(view, facet);\n facet.view = view;\n }\n\n this.facets = facets;\n };\n /**\n * 处理 view 前\n * @protected\n */\n\n\n _proto.beforeProcessView = function beforeProcessView()\n /* view, facet */\n {};\n /**\n * 处理view\n * @param {Object} view 视图\n * @param {Object} facet 分面信息\n * @protected\n */\n\n\n _proto.afterProcessView = function afterProcessView(view, facet) {\n if (this.autoSetAxis) {\n this.processAxis(view, facet);\n }\n };\n\n _proto.processAxis = function processAxis(view, facet) {\n var viewOptions = view.get('options');\n var geoms = view.get('geoms');\n\n if ((!viewOptions.coord.type || viewOptions.coord.type === 'rect') && geoms.length) {\n var field = geoms[0].get('attrOptions').position.field;\n var fields = isArray(field) ? field : field.split('*').map(function (str) {\n return str.trim();\n });\n var xField = fields[0];\n var yField = fields[1];\n\n if (isNil(viewOptions.axes)) {\n viewOptions.axes = {};\n }\n\n var axes = viewOptions.axes;\n\n if (axes !== false) {\n if (xField && axes[xField] !== false) {\n axes[xField] = axes[xField] || {};\n this.setXAxis(xField, axes, facet);\n }\n\n if (yField && axes[yField] !== false) {\n axes[yField] = axes[yField] || {};\n this.setYAxis(yField, axes, facet);\n }\n }\n }\n };\n\n _proto.setXAxis = function setXAxis()\n /* xField, axes, facet */\n {};\n\n _proto.setYAxis = function setYAxis()\n /* yField, axes, facet */\n {}; // 默认显示各列的标题\n\n\n _proto.renderTitle = function renderTitle(view, facet) {\n this.drawColTitle(view, facet);\n };\n\n _proto.getScaleText = function getScaleText(field, value, view) {\n var rst;\n\n if (field) {\n var scales = view.get('scales');\n var scale = scales[field];\n\n if (!scale) {\n scale = view.createScale(field);\n }\n\n rst = scale.getText(value);\n } else {\n rst = value;\n }\n\n return rst;\n };\n\n _proto.drawColTitle = function drawColTitle(view, facet) {\n var text = this.getScaleText(facet.colField, facet.colValue, view);\n var colTextCfg = assign({\n position: ['50%', '0%'],\n content: text\n }, this.colTitle);\n view.guide().text(colTextCfg);\n };\n\n _proto.drawRowTitle = function drawRowTitle(view, facet) {\n var text = this.getScaleText(facet.rowField, facet.rowValue, view);\n var rowTextCfg = assign({\n position: ['100%', '50%'],\n content: text\n }, cloneDeep(this.rowTitle));\n view.guide().text(rowTextCfg);\n };\n /**\n * 数据过滤器\n * @protected\n * @param {Array} conditions 过滤条件\n * @return {Function} 过滤函数\n */\n\n\n _proto.getFilter = function getFilter(conditions) {\n var filter = function filter(obj) {\n var filtered = true;\n conditions.forEach(function (cond) {\n var field = cond.field;\n var value = cond.value; // const values = cond.values;\n\n var tmp = true;\n\n if (!isNil(value) && field) {\n tmp = obj[field] === value;\n }\n\n filtered = filtered && tmp;\n });\n return filtered;\n };\n\n return filter;\n };\n /**\n * 获取字段对应的值\n * @protected\n * @param {String} field 字段名\n * @param {Array} data 数据\n * @return {Array} 字段对应的值\n */\n\n\n _proto.getFieldValues = function getFieldValues(field, data) {\n var rst = [];\n var tmpMap = {};\n\n for (var i = 0; i < data.length; i++) {\n var obj = data[i];\n var value = obj[field];\n\n if (!isNil(value) && !tmpMap[value]) {\n rst.push(value);\n tmpMap[value] = true;\n }\n }\n\n return rst;\n };\n\n _proto.getRegion = function getRegion(rows, cols, xIndex, yIndex) {\n var xWidth = 1 / cols; // x轴方向的每个分面的偏移\n\n var yWidth = 1 / rows; // y轴方向的每个分面的偏移\n\n var start = {\n x: xWidth * xIndex,\n y: yWidth * yIndex\n };\n var end = {\n x: start.x + xWidth,\n y: start.y + yWidth\n };\n return {\n start: start,\n end: end\n };\n };\n /**\n * 生成分面\n * @protected\n * @return {Array} 多个分面集合\n */\n\n\n _proto.generateFacets = function generateFacets()\n /* data */\n {\n return [];\n };\n\n _proto._bindEvent = function _bindEvent() {\n var chart = this.chart;\n chart.on('afterchangedata', wrapBehavior(this, 'onDataChange'));\n chart.on('beforeclear', wrapBehavior(this, 'onClear'));\n chart.on('beforedestroy', wrapBehavior(this, 'destroy'));\n chart.on('beforepaint', wrapBehavior(this, 'onPaint'));\n chart.on('setdata', wrapBehavior(this, 'onDataChange'));\n };\n\n _proto._clearEvent = function _clearEvent() {\n var chart = this.chart;\n\n if (chart) {\n chart.off('afterchangedata', getWrapBehavior(this, 'onDataChange'));\n chart.off('beforeclear', getWrapBehavior(this, 'onClear'));\n chart.off('beforedestroy', getWrapBehavior(this, 'destroy'));\n chart.off('beforepaint', getWrapBehavior(this, 'onPaint'));\n chart.off('setdata', getWrapBehavior(this, 'onDataChange'));\n }\n };\n\n _proto._clearFacets = function _clearFacets() {\n var facets = this.facets;\n var chart = this.chart;\n\n if (facets) {\n for (var i = 0; i < facets.length; i++) {\n var facet = facets[i];\n chart.removeView(facet.view);\n }\n }\n\n this.facets = null;\n };\n\n _proto.onClear = function onClear() {\n this.onRemove();\n };\n\n _proto.onPaint = function onPaint() {\n if (this.showTitle) {\n var facets = this.facets;\n\n for (var i = 0; i < facets.length; i++) {\n var facet = facets[i];\n var view = facet.view;\n this.renderTitle(view, facet);\n }\n }\n };\n\n _proto.onDataChange = function onDataChange() {\n this._clearFacets();\n\n this.initViews();\n };\n\n _proto.onRemove = function onRemove() {\n this._clearFacets();\n\n this._clearEvent();\n\n this.group && this.group.remove();\n this.chart = null;\n this.facets = null;\n this.group = null;\n };\n\n _proto.destroy = function destroy() {\n this.onRemove();\n this.destroyed = true;\n };\n\n return Base;\n}();\n\nmodule.exports = Base;\n\n/***/ }),\n/* 44 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar Util = __webpack_require__(1);\n\nfunction circlePoint(cx, cy, r, angle) {\n return {\n x: Math.cos(angle) * r + cx,\n y: Math.sin(angle) * r + cy\n };\n}\n\nfunction angleNearTo(angle, min, max, out) {\n var v1;\n var v2;\n\n if (out) {\n if (angle < min) {\n v1 = min - angle;\n v2 = Math.PI * 2 - max + angle;\n } else if (angle > max) {\n v1 = Math.PI * 2 - angle + min;\n v2 = angle - max;\n }\n } else {\n v1 = angle - min;\n v2 = max - angle;\n }\n\n return v1 > v2 ? max : min;\n}\n\nfunction nearAngle(angle, startAngle, endAngle, clockwise) {\n var plus = 0;\n\n if (endAngle - startAngle >= Math.PI * 2) {\n plus = Math.PI * 2;\n }\n\n startAngle = Util.mod(startAngle, Math.PI * 2);\n endAngle = Util.mod(endAngle, Math.PI * 2) + plus;\n angle = Util.mod(angle, Math.PI * 2);\n\n if (clockwise) {\n if (startAngle >= endAngle) {\n if (angle > endAngle && angle < startAngle) {\n return angle;\n }\n\n return angleNearTo(angle, endAngle, startAngle, true);\n }\n\n if (angle < startAngle || angle > endAngle) {\n return angle;\n }\n\n return angleNearTo(angle, startAngle, endAngle);\n }\n\n if (startAngle <= endAngle) {\n if (startAngle < angle && angle < endAngle) {\n return angle;\n }\n\n return angleNearTo(angle, startAngle, endAngle, true);\n }\n\n if (angle > startAngle || angle < endAngle) {\n return angle;\n }\n\n return angleNearTo(angle, endAngle, startAngle);\n}\n\nfunction arcProjectPoint(cx, cy, r, startAngle, endAngle, clockwise, x, y, out) {\n var v = [x, y];\n var v0 = [cx, cy];\n var v1 = [1, 0];\n var subv = Util.vec2.subtract([], v, v0);\n var angle = Util.vec2.angleTo(v1, subv);\n angle = nearAngle(angle, startAngle, endAngle, clockwise);\n var vpoint = [r * Math.cos(angle) + cx, r * Math.sin(angle) + cy];\n\n if (out) {\n out.x = vpoint[0];\n out.y = vpoint[1];\n }\n\n var d = Util.vec2.distance(vpoint, v);\n return d;\n}\n\nfunction arcBox(cx, cy, r, startAngle, endAngle, clockwise) {\n var angleRight = 0;\n var angleBottom = Math.PI / 2;\n var angleLeft = Math.PI;\n var angleTop = Math.PI * 3 / 2;\n var points = [];\n var angle = nearAngle(angleRight, startAngle, endAngle, clockwise);\n\n if (angle === angleRight) {\n points.push(circlePoint(cx, cy, r, angleRight));\n }\n\n angle = nearAngle(angleBottom, startAngle, endAngle, clockwise);\n\n if (angle === angleBottom) {\n points.push(circlePoint(cx, cy, r, angleBottom));\n }\n\n angle = nearAngle(angleLeft, startAngle, endAngle, clockwise);\n\n if (angle === angleLeft) {\n points.push(circlePoint(cx, cy, r, angleLeft));\n }\n\n angle = nearAngle(angleTop, startAngle, endAngle, clockwise);\n\n if (angle === angleTop) {\n points.push(circlePoint(cx, cy, r, angleTop));\n }\n\n points.push(circlePoint(cx, cy, r, startAngle));\n points.push(circlePoint(cx, cy, r, endAngle));\n var minX = Infinity;\n var maxX = -Infinity;\n var minY = Infinity;\n var maxY = -Infinity;\n Util.each(points, function (point) {\n if (minX > point.x) {\n minX = point.x;\n }\n\n if (maxX < point.x) {\n maxX = point.x;\n }\n\n if (minY > point.y) {\n minY = point.y;\n }\n\n if (maxY < point.y) {\n maxY = point.y;\n }\n });\n return {\n minX: minX,\n minY: minY,\n maxX: maxX,\n maxY: maxY\n };\n}\n\nmodule.exports = {\n nearAngle: nearAngle,\n projectPoint: function projectPoint(cx, cy, r, startAngle, endAngle, clockwise, x, y) {\n var rst = {};\n arcProjectPoint(cx, cy, r, startAngle, endAngle, clockwise, x, y, rst);\n return rst;\n },\n pointDistance: arcProjectPoint,\n box: arcBox\n};\n\n/***/ }),\n/* 45 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar vec2 = __webpack_require__(1).vec2;\n\nmodule.exports = {\n at: function at(p1, p2, t) {\n return (p2 - p1) * t + p1;\n },\n pointDistance: function pointDistance(x1, y1, x2, y2, x, y) {\n var d = [x2 - x1, y2 - y1];\n\n if (vec2.exactEquals(d, [0, 0])) {\n return NaN;\n }\n\n var u = [-d[1], d[0]];\n vec2.normalize(u, u);\n var a = [x - x1, y - y1];\n return Math.abs(vec2.dot(a, u));\n },\n box: function box(x1, y1, x2, y2, lineWidth) {\n var halfWidth = lineWidth / 2;\n var minX = Math.min(x1, x2);\n var maxX = Math.max(x1, x2);\n var minY = Math.min(y1, y2);\n var maxY = Math.max(y1, y2);\n return {\n minX: minX - halfWidth,\n minY: minY - halfWidth,\n maxX: maxX + halfWidth,\n maxY: maxY + halfWidth\n };\n },\n len: function len(x1, y1, x2, y2) {\n return Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));\n }\n};\n\n/***/ }),\n/* 46 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar Format = __webpack_require__(36);\n\nvar PathSegment = __webpack_require__(47);\n\nvar PI = Math.PI;\nvar sin = Math.sin;\nvar cos = Math.cos;\nvar atan2 = Math.atan2;\nvar DEFAULT_LENGTH = 10;\nvar DEFAULT_ANGLE = PI / 3;\n\nfunction _addArrow(ctx, attrs, x1, y1, x2, y2, isStart) {\n var leftX;\n var leftY;\n var rightX;\n var rightY;\n var offsetX;\n var offsetY;\n var angle;\n\n if (!attrs.fill) {\n // 闭合的不绘制箭头\n var arrowLength = attrs.arrowLength || DEFAULT_LENGTH;\n var arrowAngle = attrs.arrowAngle ? attrs.arrowAngle * PI / 180 : DEFAULT_ANGLE; // 转换为弧\n // Calculate angle\n\n angle = atan2(y1 - y2, x1 - x2);\n /* // Adjust angle correctly\n angle -= PI;*/\n // Calculate offset to place arrow at edge of path\n\n offsetX = Math.abs(attrs.lineWidth * cos(angle)) / 2;\n offsetY = Math.abs(attrs.lineWidth * sin(angle)) / 2;\n\n if (isStart) {\n offsetX = -offsetX;\n offsetY = -offsetY;\n } // Calculate coordinates for left half of arrow\n\n\n leftX = x2 + arrowLength * cos(angle + arrowAngle / 2);\n leftY = y2 + arrowLength * sin(angle + arrowAngle / 2); // Calculate coordinates for right half of arrow\n\n rightX = x2 + arrowLength * cos(angle - arrowAngle / 2);\n rightY = y2 + arrowLength * sin(angle - arrowAngle / 2);\n ctx.beginPath(); // Draw left half of arrow\n\n ctx.moveTo(leftX - offsetX, leftY - offsetY);\n ctx.lineTo(x2 - offsetX, y2 - offsetY); // Draw right half of arrow\n\n ctx.lineTo(rightX - offsetX, rightY - offsetY); // Visually connect arrow to path\n\n ctx.moveTo(x2 - offsetX, y2 - offsetY);\n ctx.lineTo(x2 + offsetX, y2 + offsetY); // Move back to end of path\n\n ctx.moveTo(x2, y2);\n ctx.stroke();\n }\n}\n\nfunction parsePath(attrs) {\n var segments = [];\n var pathArray = Format.parsePath(attrs.path);\n var preSegment;\n\n if (!Array.isArray(pathArray) || pathArray.length === 0 || pathArray[0][0] !== 'M' && pathArray[0][0] !== 'm') {\n return false;\n }\n\n var count = pathArray.length;\n\n for (var i = 0; i < pathArray.length; i++) {\n var item = pathArray[i];\n preSegment = new PathSegment(item, preSegment, i === count - 1);\n segments.push(preSegment);\n }\n\n return segments;\n}\n\nfunction _addCustomizedArrow(ctx, attrs, x1, y1, x2, y2, isStart) {\n var shape = isStart ? attrs.startArrow : attrs.endArrow;\n var d = shape.d;\n var deg = 0;\n var x = x2 - x1;\n var y = y2 - y1;\n var tan = Math.atan(x / y);\n\n if (y === 0 && x < 0) {\n deg = Math.PI;\n } else if (x > 0 && y > 0) {\n deg = Math.PI / 2 - tan;\n } else if (x < 0 && y < 0) {\n deg = -Math.PI / 2 - tan;\n } else if (x >= 0 && y < 0) {\n deg = -tan - Math.PI / 2;\n } else if (x <= 0 && y > 0) {\n deg = Math.PI / 2 - tan;\n }\n\n var path = parsePath(shape);\n\n if (!path) {\n return;\n }\n\n if (d) {\n if (isStart) {\n x2 = x2 + Math.sin(Math.abs(tan)) * d;\n y2 = y2 + Math.cos(Math.abs(tan)) * d - 0.5 * ctx.lineWidth;\n } else {\n x2 = x2 - Math.sin(Math.abs(tan)) * d;\n y2 = y2 - Math.cos(Math.abs(tan)) * d + 0.5 * ctx.lineWidth;\n }\n }\n\n ctx.save();\n ctx.beginPath();\n ctx.translate(x2, y2);\n ctx.rotate(deg);\n\n for (var i = 0; i < path.length; i++) {\n path[i].draw(ctx);\n }\n\n ctx.setTransform(1, 0, 0, 1, 0, 0);\n ctx.fillStyle = ctx.strokeStyle;\n ctx.fill();\n ctx.restore();\n}\n\nmodule.exports = {\n addStartArrow: function addStartArrow(ctx, attrs, x1, y1, x2, y2) {\n if (typeof attrs.startArrow === 'object') {\n _addCustomizedArrow(ctx, attrs, x1, y1, x2, y2, true);\n } else if (attrs.startArrow) {\n _addArrow(ctx, attrs, x1, y1, x2, y2, true);\n }\n },\n addEndArrow: function addEndArrow(ctx, attrs, x1, y1, x2, y2) {\n if (typeof attrs.endArrow === 'object') {\n _addCustomizedArrow(ctx, attrs, x1, y1, x2, y2, false);\n } else if (attrs.endArrow) {\n _addArrow(ctx, attrs, x1, y1, x2, y2, false);\n }\n }\n};\n\n/***/ }),\n/* 47 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar Util = __webpack_require__(1);\n\nvar Inside = __webpack_require__(70);\n\nvar Cubic = __webpack_require__(69);\n\nvar Quadratic = __webpack_require__(137);\n\nvar Ellipse = __webpack_require__(136);\n\nvar vec3 = Util.vec3;\nvar mat3 = Util.mat3;\nvar ARR_CMD = ['m', 'l', 'c', 'a', 'q', 'h', 'v', 't', 's', 'z'];\n\nfunction toAbsolute(x, y, curPoint) {\n // 获取绝对坐标\n return {\n x: curPoint.x + x,\n y: curPoint.y + y\n };\n}\n\nfunction toSymmetry(point, center) {\n // 点对称\n return {\n x: center.x + (center.x - point.x),\n y: center.y + (center.y - point.y)\n };\n}\n\nfunction vMag(v) {\n return Math.sqrt(v[0] * v[0] + v[1] * v[1]);\n}\n\nfunction vRatio(u, v) {\n return (u[0] * v[0] + u[1] * v[1]) / (vMag(u) * vMag(v));\n}\n\nfunction vAngle(u, v) {\n return (u[0] * v[1] < u[1] * v[0] ? -1 : 1) * Math.acos(vRatio(u, v));\n}\n\nfunction getArcParams(point1, point2, fa, fs, rx, ry, psiDeg) {\n var psi = Util.mod(Util.toRadian(psiDeg), Math.PI * 2);\n var x1 = point1.x;\n var y1 = point1.y;\n var x2 = point2.x;\n var y2 = point2.y;\n var xp = Math.cos(psi) * (x1 - x2) / 2.0 + Math.sin(psi) * (y1 - y2) / 2.0;\n var yp = -1 * Math.sin(psi) * (x1 - x2) / 2.0 + Math.cos(psi) * (y1 - y2) / 2.0;\n var lambda = xp * xp / (rx * rx) + yp * yp / (ry * ry);\n\n if (lambda > 1) {\n rx *= Math.sqrt(lambda);\n ry *= Math.sqrt(lambda);\n }\n\n var diff = rx * rx * (yp * yp) + ry * ry * (xp * xp);\n var f = Math.sqrt((rx * rx * (ry * ry) - diff) / diff);\n\n if (fa === fs) {\n f *= -1;\n }\n\n if (isNaN(f)) {\n f = 0;\n }\n\n var cxp = f * rx * yp / ry;\n var cyp = f * -ry * xp / rx;\n var cx = (x1 + x2) / 2.0 + Math.cos(psi) * cxp - Math.sin(psi) * cyp;\n var cy = (y1 + y2) / 2.0 + Math.sin(psi) * cxp + Math.cos(psi) * cyp;\n var theta = vAngle([1, 0], [(xp - cxp) / rx, (yp - cyp) / ry]);\n var u = [(xp - cxp) / rx, (yp - cyp) / ry];\n var v = [(-1 * xp - cxp) / rx, (-1 * yp - cyp) / ry];\n var dTheta = vAngle(u, v);\n\n if (vRatio(u, v) <= -1) {\n dTheta = Math.PI;\n }\n\n if (vRatio(u, v) >= 1) {\n dTheta = 0;\n }\n\n if (fs === 0 && dTheta > 0) {\n dTheta = dTheta - 2 * Math.PI;\n }\n\n if (fs === 1 && dTheta < 0) {\n dTheta = dTheta + 2 * Math.PI;\n }\n\n return [point1, cx, cy, rx, ry, theta, dTheta, psi, fs];\n}\n\nvar PathSegment = function PathSegment(item, preSegment, isLast) {\n this.preSegment = preSegment;\n this.isLast = isLast;\n this.init(item, preSegment);\n};\n\nUtil.augment(PathSegment, {\n init: function init(item, preSegment) {\n var command = item[0];\n preSegment = preSegment || {\n endPoint: {\n x: 0,\n y: 0\n }\n };\n var relative = ARR_CMD.indexOf(command) >= 0; // /[a-z]/.test(command);\n\n var cmd = relative ? command.toUpperCase() : command;\n var p = item;\n var point1;\n var point2;\n var point3;\n var point;\n var preEndPoint = preSegment.endPoint;\n var p1 = p[1];\n var p2 = p[2];\n\n switch (cmd) {\n default:\n break;\n\n case 'M':\n if (relative) {\n point = toAbsolute(p1, p2, preEndPoint);\n } else {\n point = {\n x: p1,\n y: p2\n };\n }\n\n this.command = 'M';\n this.params = [preEndPoint, point];\n this.subStart = point;\n this.endPoint = point;\n break;\n\n case 'L':\n if (relative) {\n point = toAbsolute(p1, p2, preEndPoint);\n } else {\n point = {\n x: p1,\n y: p2\n };\n }\n\n this.command = 'L';\n this.params = [preEndPoint, point];\n this.subStart = preSegment.subStart;\n this.endPoint = point;\n\n this.endTangent = function () {\n return [point.x - preEndPoint.x, point.y - preEndPoint.y];\n };\n\n this.startTangent = function () {\n return [preEndPoint.x - point.x, preEndPoint.y - point.y];\n };\n\n break;\n\n case 'H':\n if (relative) {\n point = toAbsolute(p1, 0, preEndPoint);\n } else {\n point = {\n x: p1,\n y: preEndPoint.y\n };\n }\n\n this.command = 'L';\n this.params = [preEndPoint, point];\n this.subStart = preSegment.subStart;\n this.endPoint = point;\n\n this.endTangent = function () {\n return [point.x - preEndPoint.x, point.y - preEndPoint.y];\n };\n\n this.startTangent = function () {\n return [preEndPoint.x - point.x, preEndPoint.y - point.y];\n };\n\n break;\n\n case 'V':\n if (relative) {\n point = toAbsolute(0, p1, preEndPoint);\n } else {\n point = {\n x: preEndPoint.x,\n y: p1\n };\n }\n\n this.command = 'L';\n this.params = [preEndPoint, point];\n this.subStart = preSegment.subStart;\n this.endPoint = point;\n\n this.endTangent = function () {\n return [point.x - preEndPoint.x, point.y - preEndPoint.y];\n };\n\n this.startTangent = function () {\n return [preEndPoint.x - point.x, preEndPoint.y - point.y];\n };\n\n break;\n\n case 'Q':\n if (relative) {\n point1 = toAbsolute(p1, p2, preEndPoint);\n point2 = toAbsolute(p[3], p[4], preEndPoint);\n } else {\n point1 = {\n x: p1,\n y: p2\n };\n point2 = {\n x: p[3],\n y: p[4]\n };\n }\n\n this.command = 'Q';\n this.params = [preEndPoint, point1, point2];\n this.subStart = preSegment.subStart;\n this.endPoint = point2;\n\n this.endTangent = function () {\n return [point2.x - point1.x, point2.y - point1.y];\n };\n\n this.startTangent = function () {\n return [preEndPoint.x - point1.x, preEndPoint.y - point1.y];\n };\n\n break;\n\n case 'T':\n if (relative) {\n point2 = toAbsolute(p1, p2, preEndPoint);\n } else {\n point2 = {\n x: p1,\n y: p2\n };\n }\n\n if (preSegment.command === 'Q') {\n point1 = toSymmetry(preSegment.params[1], preEndPoint);\n this.command = 'Q';\n this.params = [preEndPoint, point1, point2];\n this.subStart = preSegment.subStart;\n this.endPoint = point2;\n\n this.endTangent = function () {\n return [point2.x - point1.x, point2.y - point1.y];\n };\n\n this.startTangent = function () {\n return [preEndPoint.x - point1.x, preEndPoint.y - point1.y];\n };\n } else {\n this.command = 'TL';\n this.params = [preEndPoint, point2];\n this.subStart = preSegment.subStart;\n this.endPoint = point2;\n\n this.endTangent = function () {\n return [point2.x - preEndPoint.x, point2.y - preEndPoint.y];\n };\n\n this.startTangent = function () {\n return [preEndPoint.x - point2.x, preEndPoint.y - point2.y];\n };\n }\n\n break;\n\n case 'C':\n if (relative) {\n point1 = toAbsolute(p1, p2, preEndPoint);\n point2 = toAbsolute(p[3], p[4], preEndPoint);\n point3 = toAbsolute(p[5], p[6], preEndPoint);\n } else {\n point1 = {\n x: p1,\n y: p2\n };\n point2 = {\n x: p[3],\n y: p[4]\n };\n point3 = {\n x: p[5],\n y: p[6]\n };\n }\n\n this.command = 'C';\n this.params = [preEndPoint, point1, point2, point3];\n this.subStart = preSegment.subStart;\n this.endPoint = point3;\n\n this.endTangent = function () {\n return [point3.x - point2.x, point3.y - point2.y];\n };\n\n this.startTangent = function () {\n return [preEndPoint.x - point1.x, preEndPoint.y - point1.y];\n };\n\n break;\n\n case 'S':\n if (relative) {\n point2 = toAbsolute(p1, p2, preEndPoint);\n point3 = toAbsolute(p[3], p[4], preEndPoint);\n } else {\n point2 = {\n x: p1,\n y: p2\n };\n point3 = {\n x: p[3],\n y: p[4]\n };\n }\n\n if (preSegment.command === 'C') {\n point1 = toSymmetry(preSegment.params[2], preEndPoint);\n this.command = 'C';\n this.params = [preEndPoint, point1, point2, point3];\n this.subStart = preSegment.subStart;\n this.endPoint = point3;\n\n this.endTangent = function () {\n return [point3.x - point2.x, point3.y - point2.y];\n };\n\n this.startTangent = function () {\n return [preEndPoint.x - point1.x, preEndPoint.y - point1.y];\n };\n } else {\n this.command = 'SQ';\n this.params = [preEndPoint, point2, point3];\n this.subStart = preSegment.subStart;\n this.endPoint = point3;\n\n this.endTangent = function () {\n return [point3.x - point2.x, point3.y - point2.y];\n };\n\n this.startTangent = function () {\n return [preEndPoint.x - point2.x, preEndPoint.y - point2.y];\n };\n }\n\n break;\n\n case 'A':\n {\n var rx = p1;\n var ry = p2;\n var psi = p[3];\n var fa = p[4];\n var fs = p[5];\n\n if (relative) {\n point = toAbsolute(p[6], p[7], preEndPoint);\n } else {\n point = {\n x: p[6],\n y: p[7]\n };\n }\n\n this.command = 'A';\n var params = getArcParams(preEndPoint, point, fa, fs, rx, ry, psi);\n this.params = params;\n var start = preSegment.subStart;\n this.subStart = start;\n this.endPoint = point;\n var startAngle = params[5] % (Math.PI * 2);\n\n if (Util.isNumberEqual(startAngle, Math.PI * 2)) {\n startAngle = 0;\n }\n\n var endAngle = params[6] % (Math.PI * 2);\n\n if (Util.isNumberEqual(endAngle, Math.PI * 2)) {\n endAngle = 0;\n }\n\n var d = 0.001;\n\n this.startTangent = function () {\n if (fs === 0) {\n d *= -1;\n }\n\n var dx = params[3] * Math.cos(startAngle - d) + params[1];\n var dy = params[4] * Math.sin(startAngle - d) + params[2];\n return [dx - start.x, dy - start.y];\n };\n\n this.endTangent = function () {\n var endAngle = params[6];\n\n if (endAngle - Math.PI * 2 < 0.0001) {\n endAngle = 0;\n }\n\n var dx = params[3] * Math.cos(startAngle + endAngle + d) + params[1];\n var dy = params[4] * Math.sin(startAngle + endAngle - d) + params[2];\n return [preEndPoint.x - dx, preEndPoint.y - dy];\n };\n\n break;\n }\n\n case 'Z':\n {\n this.command = 'Z';\n this.params = [preEndPoint, preSegment.subStart];\n this.subStart = preSegment.subStart;\n this.endPoint = preSegment.subStart;\n }\n }\n },\n isInside: function isInside(x, y, lineWidth) {\n var self = this;\n var command = self.command;\n var params = self.params;\n var box = self.box;\n\n if (box) {\n if (!Inside.box(box.minX, box.maxX, box.minY, box.maxY, x, y)) {\n return false;\n }\n }\n\n switch (command) {\n default:\n break;\n\n case 'M':\n return false;\n\n case 'TL':\n case 'L':\n case 'Z':\n return Inside.line(params[0].x, params[0].y, params[1].x, params[1].y, lineWidth, x, y);\n\n case 'SQ':\n case 'Q':\n return Inside.quadraticline(params[0].x, params[0].y, params[1].x, params[1].y, params[2].x, params[2].y, lineWidth, x, y);\n\n case 'C':\n {\n return Inside.cubicline(params[0].x, params[0].y, params[1].x, params[1].y, params[2].x, params[2].y, params[3].x, params[3].y, lineWidth, x, y);\n }\n\n case 'A':\n {\n var p = params;\n var cx = p[1];\n var cy = p[2];\n var rx = p[3];\n var ry = p[4];\n var theta = p[5];\n var dTheta = p[6];\n var psi = p[7];\n var fs = p[8];\n var r = rx > ry ? rx : ry;\n var scaleX = rx > ry ? 1 : rx / ry;\n var scaleY = rx > ry ? ry / rx : 1;\n p = [x, y, 1];\n var m = [1, 0, 0, 0, 1, 0, 0, 0, 1];\n mat3.translate(m, m, [-cx, -cy]);\n mat3.rotate(m, m, -psi);\n mat3.scale(m, m, [1 / scaleX, 1 / scaleY]);\n vec3.transformMat3(p, p, m);\n return Inside.arcline(0, 0, r, theta, theta + dTheta, 1 - fs, lineWidth, p[0], p[1]);\n }\n }\n\n return false;\n },\n draw: function draw(context) {\n var command = this.command;\n var params = this.params;\n var point1;\n var point2;\n var point3;\n\n switch (command) {\n default:\n break;\n\n case 'M':\n context.moveTo(params[1].x, params[1].y);\n break;\n\n case 'TL':\n case 'L':\n context.lineTo(params[1].x, params[1].y);\n break;\n\n case 'SQ':\n case 'Q':\n point1 = params[1];\n point2 = params[2];\n context.quadraticCurveTo(point1.x, point1.y, point2.x, point2.y);\n break;\n\n case 'C':\n point1 = params[1];\n point2 = params[2];\n point3 = params[3];\n context.bezierCurveTo(point1.x, point1.y, point2.x, point2.y, point3.x, point3.y);\n break;\n\n case 'A':\n {\n var p = params;\n var p1 = p[1];\n var p2 = p[2];\n var cx = p1;\n var cy = p2;\n var rx = p[3];\n var ry = p[4];\n var theta = p[5];\n var dTheta = p[6];\n var psi = p[7];\n var fs = p[8];\n var r = rx > ry ? rx : ry;\n var scaleX = rx > ry ? 1 : rx / ry;\n var scaleY = rx > ry ? ry / rx : 1;\n context.translate(cx, cy);\n context.rotate(psi);\n context.scale(scaleX, scaleY);\n context.arc(0, 0, r, theta, theta + dTheta, 1 - fs);\n context.scale(1 / scaleX, 1 / scaleY);\n context.rotate(-psi);\n context.translate(-cx, -cy);\n break;\n }\n\n case 'Z':\n context.closePath();\n break;\n }\n },\n getBBox: function getBBox(lineWidth) {\n var halfWidth = lineWidth / 2;\n var params = this.params;\n var yDims;\n var xDims;\n var i;\n var l;\n\n switch (this.command) {\n default:\n case 'M':\n case 'Z':\n break;\n\n case 'TL':\n case 'L':\n this.box = {\n minX: Math.min(params[0].x, params[1].x) - halfWidth,\n maxX: Math.max(params[0].x, params[1].x) + halfWidth,\n minY: Math.min(params[0].y, params[1].y) - halfWidth,\n maxY: Math.max(params[0].y, params[1].y) + halfWidth\n };\n break;\n\n case 'SQ':\n case 'Q':\n xDims = Quadratic.extrema(params[0].x, params[1].x, params[2].x);\n\n for (i = 0, l = xDims.length; i < l; i++) {\n xDims[i] = Quadratic.at(params[0].x, params[1].x, params[2].x, xDims[i]);\n }\n\n xDims.push(params[0].x, params[2].x);\n yDims = Quadratic.extrema(params[0].y, params[1].y, params[2].y);\n\n for (i = 0, l = yDims.length; i < l; i++) {\n yDims[i] = Quadratic.at(params[0].y, params[1].y, params[2].y, yDims);\n }\n\n yDims.push(params[0].y, params[2].y);\n this.box = {\n minX: Math.min.apply(Math, xDims) - halfWidth,\n maxX: Math.max.apply(Math, xDims) + halfWidth,\n minY: Math.min.apply(Math, yDims) - halfWidth,\n maxY: Math.max.apply(Math, yDims) + halfWidth\n };\n break;\n\n case 'C':\n xDims = Cubic.extrema(params[0].x, params[1].x, params[2].x, params[3].x);\n\n for (i = 0, l = xDims.length; i < l; i++) {\n xDims[i] = Cubic.at(params[0].x, params[1].x, params[2].x, params[3].x, xDims[i]);\n }\n\n yDims = Cubic.extrema(params[0].y, params[1].y, params[2].y, params[3].y);\n\n for (i = 0, l = yDims.length; i < l; i++) {\n yDims[i] = Cubic.at(params[0].y, params[1].y, params[2].y, params[3].y, yDims[i]);\n }\n\n xDims.push(params[0].x, params[3].x);\n yDims.push(params[0].y, params[3].y);\n this.box = {\n minX: Math.min.apply(Math, xDims) - halfWidth,\n maxX: Math.max.apply(Math, xDims) + halfWidth,\n minY: Math.min.apply(Math, yDims) - halfWidth,\n maxY: Math.max.apply(Math, yDims) + halfWidth\n };\n break;\n\n case 'A':\n {\n // todo 待优化\n var p = params;\n var cx = p[1];\n var cy = p[2];\n var rx = p[3];\n var ry = p[4];\n var theta = p[5];\n var dTheta = p[6];\n var psi = p[7];\n var fs = p[8];\n var start = theta;\n var end = theta + dTheta;\n var xDim = Ellipse.xExtrema(psi, rx, ry);\n var minX = Infinity;\n var maxX = -Infinity;\n var xs = [start, end];\n\n for (i = -Math.PI * 2; i <= Math.PI * 2; i += Math.PI) {\n var xAngle = xDim + i;\n\n if (fs === 1) {\n if (start < xAngle && xAngle < end) {\n xs.push(xAngle);\n }\n } else {\n if (end < xAngle && xAngle < start) {\n xs.push(xAngle);\n }\n }\n }\n\n for (i = 0, l = xs.length; i < l; i++) {\n var x = Ellipse.xAt(psi, rx, ry, cx, xs[i]);\n\n if (x < minX) {\n minX = x;\n }\n\n if (x > maxX) {\n maxX = x;\n }\n }\n\n var yDim = Ellipse.yExtrema(psi, rx, ry);\n var minY = Infinity;\n var maxY = -Infinity;\n var ys = [start, end];\n\n for (i = -Math.PI * 2; i <= Math.PI * 2; i += Math.PI) {\n var yAngle = yDim + i;\n\n if (fs === 1) {\n if (start < yAngle && yAngle < end) {\n ys.push(yAngle);\n }\n } else {\n if (end < yAngle && yAngle < start) {\n ys.push(yAngle);\n }\n }\n }\n\n for (i = 0, l = ys.length; i < l; i++) {\n var y = Ellipse.yAt(psi, rx, ry, cy, ys[i]);\n\n if (y < minY) {\n minY = y;\n }\n\n if (y > maxY) {\n maxY = y;\n }\n }\n\n this.box = {\n minX: minX - halfWidth,\n maxX: maxX + halfWidth,\n minY: minY - halfWidth,\n maxY: maxY + halfWidth\n };\n break;\n }\n }\n }\n});\nmodule.exports = PathSegment;\n\n/***/ }),\n/* 48 */\n/***/ (function(module, exports, __webpack_require__) {\n\nfunction _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }\n\n/**\n * @fileOverview The measurement of linear data scale function\n * @author dxq613@gmail.com\n */\nvar isNil = __webpack_require__(6);\n\nvar each = __webpack_require__(2);\n\nvar Base = __webpack_require__(26);\n\nvar numberAuto = __webpack_require__(334);\n/**\n * 线性度量\n * @class Scale.Linear\n */\n\n\nvar Linear =\n/*#__PURE__*/\nfunction (_Base) {\n _inheritsLoose(Linear, _Base);\n\n function Linear() {\n return _Base.apply(this, arguments) || this;\n }\n\n var _proto = Linear.prototype;\n\n _proto._initDefaultCfg = function _initDefaultCfg() {\n _Base.prototype._initDefaultCfg.call(this);\n\n var self = this;\n self.type = 'linear';\n self.isLinear = true;\n /**\n * 是否为了用户习惯,优化min,max和ticks,如果进行优化,则会根据生成的ticks调整min,max,否则舍弃(min,max)范围之外的ticks\n * @type {Boolean}\n * @default false\n */\n\n self.nice = false;\n /**\n * min value of the scale\n * @type {Number}\n * @default null\n */\n\n self.min = null;\n /**\n * min value limitted of the scale\n * @type {Number}\n * @default null\n */\n\n self.minLimit = null;\n /**\n * max value of the scale\n * @type {Number}\n * @default null\n */\n\n self.max = null;\n /**\n * max value limitted of the scale\n * @type {Number}\n * @default null\n */\n\n self.maxLimit = null;\n /**\n * 自动生成标记时的个数\n * @type {Number}\n * @default null\n */\n\n self.tickCount = null;\n /**\n * 坐标轴点之间的间距,指的是真实数据的差值\n * @type {Number}\n * @default null\n */\n\n self.tickInterval = null;\n /**\n * 坐标轴点之间的最小间距,指的是真实数据的差值\n * @type {Number}\n * @default null\n */\n\n self.minTickInterval = null;\n /**\n * 用于计算坐标点时逼近的数组\n * @type {Array}\n */\n\n self.snapArray = null;\n };\n /**\n * @protected\n * @override\n */\n\n\n _proto.init = function init() {\n var self = this;\n\n if (!self.ticks) {\n self.min = self.translate(self.min);\n self.max = self.translate(self.max);\n self.initTicks();\n } else {\n var ticks = self.ticks;\n var firstValue = self.translate(ticks[0]);\n var lastValue = self.translate(ticks[ticks.length - 1]);\n\n if (isNil(self.min) || self.min > firstValue) {\n self.min = firstValue;\n }\n\n if (isNil(self.max) || self.max < lastValue) {\n self.max = lastValue;\n }\n }\n };\n /**\n * 计算坐标点\n * @protected\n * @return {Array} 计算完成的坐标点\n */\n\n\n _proto.calculateTicks = function calculateTicks() {\n var min = this.min,\n max = this.max,\n minLimit = this.minLimit,\n maxLimit = this.maxLimit,\n tickCount = this.tickCount,\n tickInterval = this.tickInterval,\n minTickInterval = this.minTickInterval,\n snapArray = this.snapArray;\n\n if (tickCount === 1) {\n throw new Error('linear scale\\'tickCount should not be 1');\n }\n\n if (max < min) {\n throw new Error(\"max: \" + max + \" should not be less than min: \" + min);\n }\n\n var tmp = numberAuto({\n min: min,\n max: max,\n minLimit: minLimit,\n maxLimit: maxLimit,\n minCount: tickCount,\n maxCount: tickCount,\n interval: tickInterval,\n minTickInterval: minTickInterval,\n snapArray: snapArray\n });\n return tmp.ticks;\n }; // 初始化ticks\n\n\n _proto.initTicks = function initTicks() {\n var self = this;\n var calTicks = self.calculateTicks();\n\n if (self.nice) {\n // 如果需要优化显示的tick\n self.ticks = calTicks;\n self.min = calTicks[0];\n self.max = calTicks[calTicks.length - 1];\n } else {\n var ticks = [];\n each(calTicks, function (tick) {\n if (tick >= self.min && tick <= self.max) {\n ticks.push(tick);\n }\n }); // 如果 ticks 为空,直接输入最小值、最大值\n\n if (!ticks.length) {\n ticks.push(self.min);\n ticks.push(self.max);\n }\n\n self.ticks = ticks;\n }\n };\n /**\n * @override\n */\n\n\n _proto.scale = function scale(value) {\n if (isNil(value)) {\n return NaN;\n }\n\n var max = this.max;\n var min = this.min;\n\n if (max === min) {\n return 0;\n }\n\n var percent = (value - min) / (max - min);\n var rangeMin = this.rangeMin();\n var rangeMax = this.rangeMax();\n return rangeMin + percent * (rangeMax - rangeMin);\n };\n /**\n * @override\n */\n\n\n _proto.invert = function invert(value) {\n var percent = (value - this.rangeMin()) / (this.rangeMax() - this.rangeMin());\n return this.min + percent * (this.max - this.min);\n };\n\n return Linear;\n}(Base);\n\nBase.Linear = Linear;\nmodule.exports = Linear;\n\n/***/ }),\n/* 49 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isArrayLike = __webpack_require__(20);\n\nvar indexOf = Array.prototype.indexOf;\n\nvar contains = function contains(arr, value) {\n if (!isArrayLike(arr)) {\n return false;\n }\n return indexOf.call(arr, value) > -1;\n};\n\nmodule.exports = contains;\n\n/***/ }),\n/* 50 */\n/***/ (function(module, exports) {\n\nvar merge = function merge(dataArray) {\n var rst = [];\n for (var i = 0; i < dataArray.length; i++) {\n rst = rst.concat(dataArray[i]);\n }\n return rst;\n};\n\nmodule.exports = merge;\n\n/***/ }),\n/* 51 */\n/***/ (function(module, exports) {\n\nvar PRECISION = 0.00001; // numbers less than this is considered as 0\n\nmodule.exports = function isNumberEqual(a, b) {\n var precision = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : PRECISION;\n\n return Math.abs(a - b) < precision;\n};\n\n/***/ }),\n/* 52 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\nmodule.exports = {\n mat3: __webpack_require__(79),\n vec2: __webpack_require__(168),\n vec3: __webpack_require__(169),\n transform: __webpack_require__(167)\n};\n\n/***/ }),\n/* 53 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isArrayLike = __webpack_require__(20);\n\nfunction toArray(value) {\n return isArrayLike(value) ? Array.prototype.slice.call(value) : [];\n}\n\nmodule.exports = toArray;\n\n/***/ }),\n/* 54 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; /**\n * util function\n */\n\nvar _core = __webpack_require__(65);\n\n/* eslint-disable no-self-compare */\n\nfunction is(x, y) {\n if (x === y) {\n return x !== 0 || y !== 0 || 1 / x === 1 / y;\n }\n return x !== x && y !== y; // NaN == NaN\n}\n\nfunction length(obj) {\n if (_core.Util.isArray(obj)) {\n return obj.length;\n } else if (_core.Util.isObject(obj)) {\n return Object.keys(obj).length;\n }\n\n return 0;\n}\n\nexports.default = _core.Util.mix({}, _core.Util, {\n shallowEqual: function shallowEqual(objA, objB) {\n if (is(objA, objB)) {\n return true;\n }\n\n if ((typeof objA === 'undefined' ? 'undefined' : _typeof(objA)) !== 'object' || objA === null || (typeof objB === 'undefined' ? 'undefined' : _typeof(objB)) !== 'object' || objB === null) {\n return false;\n }\n\n if (_core.Util.isArray(objA) !== _core.Util.isArray(objB)) {\n return false;\n }\n\n if (length(objA) !== length(objB)) {\n return false;\n }\n\n var ret = true;\n\n _core.Util.each(objA, function (v, k) {\n if (!is(v, objB[k])) {\n ret = false;\n return ret;\n }\n return true;\n });\n\n return ret;\n },\n without: function without(objA) {\n var keys = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];\n\n var ret = {};\n _core.Util.each(objA, function (v, k) {\n if (_core.Util.indexOf(keys, k) === -1) {\n ret[k] = v;\n }\n });\n return ret;\n },\n\n\n length: length\n});\n\n/***/ }),\n/* 55 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(a, b) {\n return a = +a, b -= a, function(t) {\n return a + b * t;\n };\n});\n\n\n/***/ }),\n/* 56 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(a, b) {\n return a = +a, b -= a, function(t) {\n return a + b * t;\n };\n});\n\n\n/***/ }),\n/* 57 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__namespace__ = __webpack_require__(90);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__namespaces__ = __webpack_require__(91);\n\n\n\nfunction creatorInherit(name) {\n return function() {\n var document = this.ownerDocument,\n uri = this.namespaceURI;\n return uri === __WEBPACK_IMPORTED_MODULE_1__namespaces__[\"b\" /* xhtml */] && document.documentElement.namespaceURI === __WEBPACK_IMPORTED_MODULE_1__namespaces__[\"b\" /* xhtml */]\n ? document.createElement(name)\n : document.createElementNS(uri, name);\n };\n}\n\nfunction creatorFixed(fullname) {\n return function() {\n return this.ownerDocument.createElementNS(fullname.space, fullname.local);\n };\n}\n\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(name) {\n var fullname = __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__namespace__[\"a\" /* default */])(name);\n return (fullname.local\n ? creatorFixed\n : creatorInherit)(fullname);\n});\n\n\n/***/ }),\n/* 58 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(node, event) {\n var svg = node.ownerSVGElement || node;\n\n if (svg.createSVGPoint) {\n var point = svg.createSVGPoint();\n point.x = event.clientX, point.y = event.clientY;\n point = point.matrixTransform(node.getScreenCTM().inverse());\n return [point.x, point.y];\n }\n\n var rect = node.getBoundingClientRect();\n return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop];\n});\n\n\n/***/ }),\n/* 59 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (immutable) */ __webpack_exports__[\"b\"] = tweenValue;\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__schedule__ = __webpack_require__(17);\n\n\nfunction tweenRemove(id, name) {\n var tween0, tween1;\n return function() {\n var schedule = __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__schedule__[\"e\" /* set */])(this, id),\n tween = schedule.tween;\n\n // If this node shared tween with the previous node,\n // just assign the updated shared tween and we’re done!\n // Otherwise, copy-on-write.\n if (tween !== tween0) {\n tween1 = tween0 = tween;\n for (var i = 0, n = tween1.length; i < n; ++i) {\n if (tween1[i].name === name) {\n tween1 = tween1.slice();\n tween1.splice(i, 1);\n break;\n }\n }\n }\n\n schedule.tween = tween1;\n };\n}\n\nfunction tweenFunction(id, name, value) {\n var tween0, tween1;\n if (typeof value !== \"function\") throw new Error;\n return function() {\n var schedule = __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__schedule__[\"e\" /* set */])(this, id),\n tween = schedule.tween;\n\n // If this node shared tween with the previous node,\n // just assign the updated shared tween and we’re done!\n // Otherwise, copy-on-write.\n if (tween !== tween0) {\n tween1 = (tween0 = tween).slice();\n for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) {\n if (tween1[i].name === name) {\n tween1[i] = t;\n break;\n }\n }\n if (i === n) tween1.push(t);\n }\n\n schedule.tween = tween1;\n };\n}\n\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(name, value) {\n var id = this._id;\n\n name += \"\";\n\n if (arguments.length < 2) {\n var tween = __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__schedule__[\"f\" /* get */])(this.node(), id).tween;\n for (var i = 0, n = tween.length, t; i < n; ++i) {\n if ((t = tween[i]).name === name) {\n return t.value;\n }\n }\n return null;\n }\n\n return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value));\n});\n\nfunction tweenValue(transition, name, value) {\n var id = transition._id;\n\n transition.each(function() {\n var schedule = __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__schedule__[\"e\" /* set */])(this, id);\n (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments);\n });\n\n return function(node) {\n return __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__schedule__[\"f\" /* get */])(node, id).value[name];\n };\n}\n\n\n/***/ }),\n/* 60 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar _core = __webpack_require__(65);\n\nvar _core2 = _interopRequireDefault(_core);\n\nvar _util = __webpack_require__(54);\n\nvar _util2 = _interopRequireDefault(_util);\n\nvar _themes = __webpack_require__(422);\n\nvar _themes2 = _interopRequireDefault(_themes);\n\nvar _components = __webpack_require__(416);\n\nvar components = _interopRequireWildcard(_components);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n// G2.Global.animate = false;\n\nvar BizCharts = _util2.default.mix(components, {\n G2: _core2.default,\n Util: _util2.default,\n Shape: _core.Shape,\n Animate: _core.Animate,\n PathUtil: _core.PathUtil,\n track: function track() {},\n setTheme: function setTheme(theme) {\n var themeObj = theme;\n if (typeof theme === 'string' && _themes2.default[theme]) {\n themeObj = _themes2.default[theme];\n }\n\n _core2.default.Global.setTheme(themeObj);\n }\n});\n\nexports.default = BizCharts;\nmodule.exports = BizCharts;\n\n/***/ }),\n/* 61 */\n/***/ (function(module, exports, __webpack_require__) {\n\nmodule.exports = {\n Position: __webpack_require__(228),\n Color: __webpack_require__(226),\n Shape: __webpack_require__(229),\n Size: __webpack_require__(230),\n Opacity: __webpack_require__(227),\n ColorUtil: __webpack_require__(100)\n};\n\n/***/ }),\n/* 62 */\n/***/ (function(module, exports, __webpack_require__) {\n\nfunction _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\n/**\n * @fileOverview Chart、View、Geometry 的基类\n * @author dxq613@gmail.com\n */\nvar EventEmitter = __webpack_require__(98);\n\nvar Util = __webpack_require__(3);\n\nvar Base =\n/*#__PURE__*/\nfunction (_EventEmitter) {\n _inheritsLoose(Base, _EventEmitter);\n\n var _proto = Base.prototype;\n\n _proto.getDefaultCfg = function getDefaultCfg() {\n return {};\n };\n\n function Base(cfg) {\n var _this;\n\n _this = _EventEmitter.call(this) || this;\n\n var self = _assertThisInitialized(_assertThisInitialized(_this));\n\n var attrs = {\n visible: true\n };\n var defaultCfg = self.getDefaultCfg();\n self._attrs = attrs;\n Util.deepMix(attrs, defaultCfg, cfg);\n return _this;\n }\n\n _proto.get = function get(name) {\n return this._attrs[name];\n };\n\n _proto.set = function set(name, value) {\n this._attrs[name] = value;\n };\n /**\n * @protected\n * @param {Boolean} visible 是否可见\n * 显示、隐藏\n */\n\n\n _proto.changeVisible = function changeVisible()\n /* visible */\n {};\n\n _proto.destroy = function destroy() {\n var self = this;\n self._attrs = {};\n self.removeAllListeners();\n self.destroyed = true;\n };\n\n return Base;\n}(EventEmitter);\n\nmodule.exports = Base;\n\n/***/ }),\n/* 63 */\n/***/ (function(module, exports, __webpack_require__) {\n\nfunction _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }\n\n/**\n * @fileOverview The base class of continuous legend\n * @author sima.zhang\n */\nvar Util = __webpack_require__(3);\n\nvar Legend = __webpack_require__(105);\n\nvar Slider = __webpack_require__(254);\n\nvar _require = __webpack_require__(18),\n FONT_FAMILY = _require.FONT_FAMILY;\n\nvar TRIGGER_WIDTH = 8;\nvar Event = Util.Event;\nvar Group = Util.Group;\n\nvar Continuous =\n/*#__PURE__*/\nfunction (_Legend) {\n _inheritsLoose(Continuous, _Legend);\n\n function Continuous() {\n return _Legend.apply(this, arguments) || this;\n }\n\n var _proto = Continuous.prototype;\n\n _proto.getDefaultCfg = function getDefaultCfg() {\n var cfg = _Legend.prototype.getDefaultCfg.call(this);\n\n return Util.mix({}, cfg, {\n /**\n * 类型\n * @type {String}\n */\n type: 'continuous-legend',\n\n /**\n * 子项\n * @type {Array}\n */\n items: null,\n\n /**\n * 布局方式\n * horizontal 水平\n * vertical 垂直\n * @type {String}\n */\n layout: 'vertical',\n\n /**\n * 宽度\n * @type {Number}\n */\n width: 20,\n\n /**\n * 高度\n * @type {Number}\n */\n height: 156,\n\n /**\n * 默认文本图形属性\n * @type {ATTRS}\n */\n textStyle: {\n fill: '#333',\n textAlign: 'center',\n textBaseline: 'middle',\n stroke: '#fff',\n lineWidth: 5,\n fontFamily: FONT_FAMILY\n },\n hoverTextStyle: {\n fill: 'rgba(0,0,0,0.25)'\n },\n\n /**\n * 连续图例是否可滑动\n * @type {Boolean}\n */\n slidable: true,\n\n /**\n * 两头滑块的样式\n * @type {object}\n */\n triggerAttr: {\n fill: '#fff',\n // shadowOffsetX: -2,\n // shadowOffsetY: 2,\n shadowBlur: 10,\n shadowColor: 'rgba(0,0,0,0.65)',\n radius: 2\n },\n\n /**\n * slider 的范围\n * @type {array}}\n */\n _range: [0, 100],\n\n /**\n * 中间 bar 背景灰色\n * @type {ATTRS}\n */\n middleBackgroundStyle: {\n fill: '#D9D9D9'\n },\n\n /**\n * 文本与图例间距\n * @type {Number}\n */\n textOffset: 4,\n\n /**\n * line segment to seperate the unslidable slider blocks\n * @type {object}\n */\n lineStyle: {\n lineWidth: 1,\n stroke: '#fff'\n },\n\n /**\n * the pointer while activate the legend by mouse hovering or called by outside\n * @type {object}\n */\n pointerStyle: {\n // color: '#ccc',\n fill: 'rgb(230, 230, 230)'\n }\n });\n };\n\n _proto._calStartPoint = function _calStartPoint() {\n var start = {\n x: 10,\n y: this.get('titleGap') - TRIGGER_WIDTH\n };\n var titleShape = this.get('titleShape');\n\n if (titleShape) {\n var titleBox = titleShape.getBBox();\n start.y += titleBox.height;\n }\n\n return start;\n };\n\n _proto.beforeRender = function beforeRender() {\n var items = this.get('items');\n\n if (!Util.isArray(items) || Util.isEmpty(items)) {\n return;\n }\n\n _Legend.prototype.beforeRender.call(this);\n\n this.set('firstItem', items[0]);\n this.set('lastItem', items[items.length - 1]);\n };\n\n _proto._formatItemValue = function _formatItemValue(value) {\n var formatter = this.get('formatter') || this.get('itemFormatter');\n\n if (formatter) {\n value = formatter.call(this, value);\n }\n\n return value;\n };\n\n _proto.render = function render() {\n _Legend.prototype.render.call(this);\n\n if (this.get('slidable')) {\n this._renderSlider();\n } else {\n this._renderUnslidable();\n }\n };\n\n _proto._renderSlider = function _renderSlider() {\n var minHandleElement = new Group();\n var maxHandleElement = new Group();\n var backgroundElement = new Group();\n\n var start = this._calStartPoint();\n\n var group = this.get('group');\n var slider = group.addGroup(Slider, {\n minHandleElement: minHandleElement,\n maxHandleElement: maxHandleElement,\n backgroundElement: backgroundElement,\n layout: this.get('layout'),\n range: this.get('_range'),\n width: this.get('width'),\n height: this.get('height')\n });\n slider.translate(start.x, start.y);\n this.set('slider', slider);\n\n var shape = this._renderSliderShape();\n\n shape.attr('clip', slider.get('middleHandleElement'));\n\n this._renderTrigger();\n }; // the middle bar\n\n\n _proto._addMiddleBar = function _addMiddleBar(parent, name, attrs) {\n // background of the middle bar\n parent.addShape(name, {\n attrs: Util.mix({}, attrs, this.get('middleBackgroundStyle'))\n }); // frontground of the middle bar\n\n return parent.addShape(name, {\n attrs: attrs\n });\n };\n\n _proto._renderTrigger = function _renderTrigger() {\n var min = this.get('firstItem');\n var max = this.get('lastItem');\n var layout = this.get('layout');\n var textStyle = this.get('textStyle');\n var triggerAttr = this.get('triggerAttr');\n var minBlockAttr = Util.mix({}, triggerAttr);\n var maxBlockAttr = Util.mix({}, triggerAttr);\n var minTextAttr = Util.mix({\n text: this._formatItemValue(min.value) + ''\n }, textStyle);\n var maxTextAttr = Util.mix({\n text: this._formatItemValue(max.value) + ''\n }, textStyle);\n\n if (layout === 'vertical') {\n this._addVerticalTrigger('min', minBlockAttr, minTextAttr);\n\n this._addVerticalTrigger('max', maxBlockAttr, maxTextAttr);\n } else {\n this._addHorizontalTrigger('min', minBlockAttr, minTextAttr);\n\n this._addHorizontalTrigger('max', maxBlockAttr, maxTextAttr);\n }\n };\n\n _proto._addVerticalTrigger = function _addVerticalTrigger(type, blockAttr, textAttr) {\n var slider = this.get('slider');\n var trigger = slider.get(type + 'HandleElement');\n var width = this.get('width');\n var button = trigger.addShape('rect', {\n attrs: Util.mix({\n x: width / 2 - TRIGGER_WIDTH - 2,\n y: type === 'min' ? 0 : -TRIGGER_WIDTH,\n width: 2 * TRIGGER_WIDTH + 2,\n height: TRIGGER_WIDTH\n }, blockAttr)\n });\n var text = trigger.addShape('text', {\n attrs: Util.mix(textAttr, {\n x: width + this.get('textOffset'),\n y: type === 'max' ? -4 : 4,\n textAlign: 'start',\n lineHeight: 1,\n textBaseline: 'middle'\n })\n });\n var layout = this.get('layout');\n var trigerCursor = layout === 'vertical' ? 'ns-resize' : 'ew-resize';\n button.attr('cursor', trigerCursor);\n text.attr('cursor', trigerCursor);\n this.set(type + 'ButtonElement', button);\n this.set(type + 'TextElement', text);\n };\n\n _proto._addHorizontalTrigger = function _addHorizontalTrigger(type, blockAttr, textAttr) {\n var slider = this.get('slider');\n var trigger = slider.get(type + 'HandleElement');\n var button = trigger.addShape('rect', {\n attrs: Util.mix({\n x: type === 'min' ? -TRIGGER_WIDTH : 0,\n y: -TRIGGER_WIDTH - this.get('height') / 2,\n width: TRIGGER_WIDTH,\n height: 2 * TRIGGER_WIDTH\n }, blockAttr)\n });\n var text = trigger.addShape('text', {\n attrs: Util.mix(textAttr, {\n x: type === 'min' ? -TRIGGER_WIDTH - 4 : TRIGGER_WIDTH + 4,\n y: TRIGGER_WIDTH / 2 + this.get('textOffset') + 10,\n textAlign: type === 'min' ? 'end' : 'start',\n textBaseline: 'middle'\n })\n });\n var layout = this.get('layout');\n var trigerCursor = layout === 'vertical' ? 'ns-resize' : 'ew-resize';\n button.attr('cursor', trigerCursor);\n text.attr('cursor', trigerCursor);\n this.set(type + 'ButtonElement', button);\n this.set(type + 'TextElement', text);\n };\n\n _proto._bindEvents = function _bindEvents() {\n var _this = this;\n\n if (this.get('slidable')) {\n var slider = this.get('slider');\n slider.on('sliderchange', function (ev) {\n var range = ev.range;\n\n var firstItemValue = _this.get('firstItem').value;\n\n var lastItemValue = _this.get('lastItem').value;\n\n var minValue = firstItemValue + range[0] / 100 * (lastItemValue - firstItemValue);\n var maxValue = firstItemValue + range[1] / 100 * (lastItemValue - firstItemValue);\n\n _this._updateElement(minValue, maxValue);\n\n var itemFiltered = new Event('itemfilter', ev, true, true);\n itemFiltered.range = [minValue, maxValue];\n\n _this.emit('itemfilter', itemFiltered);\n });\n }\n\n if (this.get('hoverable')) {\n this.get('group').on('mousemove', Util.wrapBehavior(this, '_onMouseMove'));\n this.get('group').on('mouseleave', Util.wrapBehavior(this, '_onMouseLeave'));\n }\n }; // update the text of min and max trigger\n\n\n _proto._updateElement = function _updateElement(min, max) {\n var minTextElement = this.get('minTextElement');\n var maxTextElement = this.get('maxTextElement');\n\n if (max > 1) {\n // 对于大于 1 的值,默认显示为整数\n min = parseInt(min, 10);\n max = parseInt(max, 10);\n }\n\n minTextElement.attr('text', this._formatItemValue(min) + '');\n maxTextElement.attr('text', this._formatItemValue(max) + '');\n };\n\n _proto._onMouseLeave = function _onMouseLeave() {\n var hoverPointer = this.get('group').findById('hoverPointer');\n hoverPointer && hoverPointer.destroy();\n var hoverText = this.get('group').findById('hoverText');\n hoverText && hoverText.destroy();\n this.get('canvas').draw();\n }; // activate the legend while mouse moving\n\n\n _proto._onMouseMove = function _onMouseMove(ev) {\n var height = this.get('height');\n var width = this.get('width');\n var items = this.get('items');\n var el = this.get('canvas').get('el');\n var el_bbox = el.getBoundingClientRect();\n var bbox = this.get('group').getBBox();\n var value;\n\n if (this.get('layout') === 'vertical') {\n var valuePadding = 5;\n\n if (this.get('type') === 'color-legend') {\n valuePadding = 30;\n }\n\n var titleOffset = this.get('titleGap');\n var titleShape = this.get('titleShape');\n if (titleShape) titleOffset += titleShape.getBBox().maxY - titleShape.getBBox().minY;\n var currentPage = ev.clientY || ev.event.clientY;\n currentPage = currentPage - el_bbox.y - this.get('group').attr('matrix')[7] + bbox.y - valuePadding + titleOffset;\n value = items[0].value + (1 - currentPage / height) * (items[items.length - 1].value - items[0].value);\n } else {\n var _currentPage = ev.clientX || ev.event.clientX;\n\n _currentPage = _currentPage - el_bbox.x - this.get('group').attr('matrix')[6];\n value = items[0].value + _currentPage / width * (items[items.length - 1].value - items[0].value);\n }\n\n value = value.toFixed(2);\n this.activate(value);\n this.emit('mousehover', {\n value: value\n });\n }; // activated by mouse moving or being called\n\n\n _proto.activate = function activate(value) {\n if (!value) {\n return;\n }\n\n var hoverPointer = this.get('group').findById('hoverPointer');\n var hoverText = this.get('group').findById('hoverText');\n var items = this.get('items');\n\n if (value < items[0].value || value > items[items.length - 1].value) {\n return;\n }\n\n var height = this.get('height');\n var width = this.get('width');\n var titleShape = this.get('titleShape');\n var titleGap = this.get('titleGap');\n var points = [];\n var page = (value - items[0].value) / (items[items.length - 1].value - items[0].value);\n var textStyle;\n\n if (this.get('layout') === 'vertical') {\n // revise the offset\n var paddingY = 0,\n paddingX = 0;\n\n if (this.get('type') === 'color-legend') {\n paddingY = titleGap;\n if (titleShape) paddingY += titleShape.getBBox().height;\n }\n\n if (this.get('slidable')) {\n if (this.get('type') === 'color-legend') {\n paddingY -= 13;\n } else {\n paddingY = titleGap - 15;\n if (titleShape) paddingY += titleShape.getBBox().height;\n }\n\n paddingX += 10;\n }\n\n page = (1 - page) * height;\n points = [[paddingX, page + paddingY], [paddingX - 10, page + paddingY - 5], [paddingX - 10, page + paddingY + 5]];\n textStyle = Util.mix({}, {\n x: width + this.get('textOffset') / 2 + paddingX,\n y: page + paddingY,\n text: this._formatItemValue(value) + '' // 以字符串格式展示\n\n }, this.get('textStyle'), {\n textAlign: 'start'\n });\n } else {\n var _paddingY = 0,\n _paddingX = 0;\n\n if (this.get('type') === 'color-legend') {\n _paddingY = titleGap;\n if (titleShape) _paddingY += titleShape.getBBox().height;\n }\n\n if (this.get('slidable')) {\n if (this.get('type') === 'color-legend') {\n // hoverPointer三角形的高\n _paddingY -= 7;\n } else {\n _paddingY = titleGap;\n if (!titleShape) _paddingY -= 7;\n }\n\n _paddingX += 10;\n }\n\n page *= width;\n points = [[page + _paddingX, _paddingY], [page + _paddingX - 5, _paddingY - 10], [page + _paddingX + 5, _paddingY - 10]];\n textStyle = Util.mix({}, {\n x: page - 5,\n y: height + this.get('textOffset') + _paddingY,\n text: this._formatItemValue(value) + '' // 以字符串格式展示\n\n }, this.get('textStyle'));\n }\n\n var hoverTextStyle = Util.mix(textStyle, this.get('hoverTextStyle'));\n\n if (!hoverText) {\n // mouse enter the legend, add hoverText\n hoverText = this.get('group').addShape('text', {\n attrs: hoverTextStyle\n });\n hoverText.set('id', 'hoverText');\n } else {\n // mouse move, update hoverText\n hoverText.attr(hoverTextStyle);\n }\n\n if (!hoverPointer) {\n // mouse enter the legend, add hoverPointer\n hoverPointer = this.get('group').addShape('Polygon', {\n attrs: Util.mix({\n points: points\n }, this.get('pointerStyle'))\n });\n hoverPointer.set('id', 'hoverPointer');\n } else {\n // mouse move, update hoverPointer\n hoverPointer.attr(Util.mix({\n points: points\n }, this.get('pointerStyle')));\n }\n\n this.get('canvas').draw();\n };\n\n _proto.deactivate = function deactivate() {\n var hoverPointer = this.get('group').findById('hoverPointer');\n hoverPointer && hoverPointer.destroy();\n var hoverText = this.get('group').findById('hoverText');\n hoverText && hoverText.destroy();\n this.get('canvas').draw();\n };\n\n return Continuous;\n}(Legend);\n\nmodule.exports = Continuous;\n\n/***/ }),\n/* 64 */\n/***/ (function(module, exports, __webpack_require__) {\n\nfunction _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }\n\nvar Component = __webpack_require__(62);\n\nvar Util = __webpack_require__(3);\n\nvar Tooltip =\n/*#__PURE__*/\nfunction (_Component) {\n _inheritsLoose(Tooltip, _Component);\n\n function Tooltip() {\n return _Component.apply(this, arguments) || this;\n }\n\n var _proto = Tooltip.prototype;\n\n _proto.getDefaultCfg = function getDefaultCfg() {\n var cfg = _Component.prototype.getDefaultCfg.call(this);\n\n return Util.mix({}, cfg, {\n /**\n * tooltip container\n * @type {Dom / String}\n */\n\n /**\n * 右下角坐标\n * @type {Number}\n */\n x: 0,\n\n /**\n * y 右下角坐标\n * @type {Number}\n */\n y: 0,\n\n /**\n * tooltip 记录项\n * @type {Array}\n */\n items: null,\n\n /**\n * tooltip 标题\n * @type {Array}\n */\n titleContent: null,\n\n /**\n * 是否展示 title\n * @type {Boolean}\n */\n showTitle: true,\n\n /**\n * 视图范围\n * @type {Object}\n */\n plotRange: null,\n\n /**\n * x轴上,移动到位置的偏移量\n * @type {Number}\n */\n offset: 10,\n // TODO:支持xy两个方向上的offset\n\n /**\n * 时间戳\n * @type {Number}\n */\n timeStamp: 0,\n\n /**\n * 将 tooltip 展示在指定区域内\n * @type {Boolean}\n */\n inPlot: true,\n\n /**\n * tooltip 辅助线配置\n * @type {Object}\n */\n crosshairs: null\n });\n };\n\n _proto.isContentChange = function isContentChange(title, items) {\n var titleContent = this.get('titleContent');\n var lastItems = this.get('items');\n var isChanged = !(title === titleContent && lastItems.length === items.length);\n\n if (!isChanged) {\n Util.each(items, function (item, index) {\n var preItem = lastItems[index];\n\n for (var key in item) {\n if (item.hasOwnProperty(key)) {\n if (!Util.isObject(item[key]) && item[key] !== preItem[key]) {\n isChanged = true;\n break;\n }\n }\n }\n\n if (isChanged) {\n return false;\n }\n });\n }\n\n return isChanged;\n };\n\n _proto.setContent = function setContent(title, items) {\n var timeStamp = new Date().valueOf();\n this.set('items', items);\n this.set('titleContent', title);\n this.set('timeStamp', timeStamp);\n this.render();\n return this;\n };\n\n _proto.setPosition = function setPosition(x, y) {\n this.set('x', x);\n this.set('y', y);\n };\n\n _proto.render = function render() {};\n\n _proto.clear = function clear() {};\n\n _proto.show = function show() {\n this.set('visible', true);\n };\n\n _proto.hide = function hide() {\n this.set('visible', false);\n };\n\n _proto.destroy = function destroy() {};\n\n return Tooltip;\n}(Component);\n\nmodule.exports = Tooltip;\n\n/***/ }),\n/* 65 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar Scale = __webpack_require__(147);\n\nvar G = __webpack_require__(23);\n\nvar Animate = __webpack_require__(112);\n\nvar Chart = __webpack_require__(114);\n\nvar Global = __webpack_require__(5);\n\nvar Shape = __webpack_require__(9);\n\nvar Util = __webpack_require__(0);\n\nvar G2 = {\n // version\n version: Global.version,\n // visual encoding\n Animate: Animate,\n Chart: Chart,\n Global: Global,\n Scale: Scale,\n Shape: Shape,\n Util: Util,\n // render engine\n G: G,\n DomUtil: Util.DomUtil,\n MatrixUtil: Util.MatrixUtil,\n PathUtil: Util.PathUtil\n}; // G2.track = function(enable) {\n// Global.trackable = enable;\n// };\n// require('./track');\n\nG2.track = function () {\n console.warn('G2 tracks nothing ;-)');\n}; // 保证两个版本共存\n\n\nif (typeof window !== 'undefined') {\n if (window.G2) {\n console.warn(\"There are multiple versions of G2. Version \" + G2.version + \"'s reference is 'window.G2_3'\");\n } else {\n window.G2 = G2;\n }\n}\n\nmodule.exports = G2;\n\n/***/ }),\n/* 66 */\n/***/ (function(module, exports, __webpack_require__) {\n\nfunction _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }\n\nvar _require = __webpack_require__(23),\n Group = _require.Group;\n\nvar _require2 = __webpack_require__(29),\n Label = _require2.Label; // const visualCenter = require('@antv/component/lib/label/utils/visual-center');\n\n\nvar Global = __webpack_require__(5);\n\nvar Util = __webpack_require__(0);\n\nvar IGNORE_ARR = ['line', 'point', 'path'];\nvar ORIGIN = '_origin';\n\nfunction avg(arr) {\n var sum = 0;\n Util.each(arr, function (value) {\n sum += value;\n });\n return sum / arr.length;\n} // 计算多边形重心: https://en.wikipedia.org/wiki/Centroid#Of_a_polygon\n\n\nfunction getCentroid(xs, ys) {\n var i = -1,\n x = 0,\n y = 0;\n var former,\n current = xs.length - 1;\n var diff,\n k = 0;\n\n while (++i < xs.length) {\n former = current;\n current = i;\n k += diff = xs[former] * ys[current] - xs[current] * ys[former];\n x += (xs[former] + xs[current]) * diff;\n y += (ys[former] + ys[current]) * diff;\n }\n\n k *= 3;\n return [x / k, y / k];\n}\n\nvar GeomLabels =\n/*#__PURE__*/\nfunction (_Group) {\n _inheritsLoose(GeomLabels, _Group);\n\n function GeomLabels() {\n return _Group.apply(this, arguments) || this;\n }\n\n var _proto = GeomLabels.prototype;\n\n _proto.getDefaultCfg = function getDefaultCfg() {\n return {\n label: Global.label,\n\n /**\n * 用户传入的文本配置信息\n * @type {Object}\n */\n labelCfg: null,\n\n /**\n * 所在的坐标系\n * @type {Object}\n */\n coord: null,\n\n /**\n * 图表的类型\n * @type {String}\n */\n geomType: null,\n zIndex: 6\n };\n };\n\n _proto._renderUI = function _renderUI() {\n _Group.prototype._renderUI.call(this);\n\n this.initLabelsCfg();\n var labelsGroup = this.addGroup();\n var lineGroup = this.addGroup({\n elCls: 'x-line-group'\n });\n var labelRenderer = this.get('labelRenderer');\n this.set('labelsGroup', labelsGroup);\n this.set('lineGroup', lineGroup);\n this.get('labelRenderer').set('group', labelsGroup);\n labelRenderer.set('group', labelsGroup);\n labelRenderer.set('lineGroup', lineGroup);\n }; // 初始化labels的配置项\n\n\n _proto.initLabelsCfg = function initLabelsCfg() {\n var self = this;\n var labelRenderer = new Label();\n var labels = self.getDefaultLabelCfg();\n var labelCfg = self.get('labelCfg'); // Util.merge(labels, labelCfg.cfg);\n\n Util.deepMix(labels, labelCfg.globalCfg || labelCfg.cfg);\n labelRenderer.set('config', false);\n\n if (labels.labelLine) {\n labelRenderer.set('labelLine', labels.labelLine);\n }\n\n labelRenderer.set('coord', self.get('coord'));\n this.set('labelRenderer', labelRenderer);\n self.set('label', labels);\n };\n /**\n * @protected\n * 默认的文本样式\n * @return {Object} default label config\n */\n\n\n _proto.getDefaultLabelCfg = function getDefaultLabelCfg() {\n var self = this;\n var labelCfg = self.get('labelCfg').cfg || self.get('labelCfg').globalCfg;\n var geomType = self.get('geomType');\n var viewTheme = self.get('viewTheme') || Global;\n\n if (geomType === 'polygon' || labelCfg && labelCfg.offset < 0 && Util.indexOf(IGNORE_ARR, geomType) === -1) {\n return Util.deepMix({}, self.get('label'), viewTheme.innerLabels, labelCfg);\n }\n\n return Util.deepMix({}, self.get('label'), viewTheme.label, labelCfg);\n };\n /**\n * @protected\n * 获取labels\n * @param {Array} points points\n * @param {Array} shapes shapes\n * @return {Array} label items\n */\n\n\n _proto.getLabelsItems = function getLabelsItems(points, shapes) {\n var self = this;\n var items = [];\n var geom = self.get('geom');\n var coord = self.get('coord');\n\n self._getLabelCfgs(points, shapes);\n\n var labelCfg = self.get('labelItemCfgs'); // 获取label相关的x,y的值,获取具体的x,y,防止存在数组\n\n Util.each(points, function (point, i) {\n var origin = point[ORIGIN];\n var label = labelCfg[i];\n\n if (!label) {\n items.push(null);\n return;\n }\n\n if (!Util.isArray(label.text)) {\n label.text = [label.text];\n }\n\n var total = label.length;\n Util.each(label.text, function (sub, subIndex) {\n if (Util.isNil(sub) || sub === '') {\n items.push(null);\n return;\n }\n\n var obj = self.getLabelPoint(label, point, subIndex);\n obj = Util.mix({}, label, obj);\n\n if (!obj.textAlign) {\n obj.textAlign = self.getLabelAlign(obj, subIndex, total);\n }\n\n if (geom) {\n obj._id = geom._getShapeId(origin) + '-glabel-' + subIndex + '-' + obj.text;\n }\n\n obj.coord = coord;\n items.push(obj);\n });\n });\n return items;\n };\n /* /!*\n * @protected\n * 如果发生冲突则会调整文本的位置\n * @param {Array} items 文本的集合\n * @param {Array} shapes 关联形状\n * @return {Array} adjusted items\n *!/\n adjustItems(items, shapes) {\n // 多边形shape的label位于其可视中心\n if (this.get('geomType') === 'polygon') {\n let index,\n shape,\n path,\n center,\n points;\n Util.each(items, (item, i) => {\n if (!item) return;\n shape = shapes[ i ];\n path = shape.attr('path');\n points = [[]];\n index = 0;\n path.forEach((segment, i) => {\n if (segment[ 0 ] === 'z' || segment[ 0 ] === 'Z' && i !== path.length - 1) {\n points.push([]);\n index += 1;\n }\n if (segment.length === 3) {\n points[ index ].push([ segment[ 1 ], segment[ 2 ] ]);\n }\n });\n center = visualCenter(points);\n item.x = center.x;\n item.y = center.y;\n });\n }\n return items;\n }\n */\n\n\n _proto.adjustItems = function adjustItems(items) {\n Util.each(items, function (item) {\n if (!item) {\n return;\n }\n\n if (item.offsetX) {\n item.x += item.offsetX;\n }\n\n if (item.offsetY) {\n item.y += item.offsetY;\n }\n });\n return items;\n };\n /**\n * drawing lines to labels\n * @param {Array} items labels\n * @param {Object} labelLine configuration for label lines\n */\n\n\n _proto.drawLines = function drawLines(items) {\n var self = this;\n Util.each(items, function (point) {\n if (!point) {\n return;\n }\n\n if (point.offset > 0) {\n self.lineToLabel(point);\n }\n });\n }; // 定义连接线\n\n\n _proto.lineToLabel = function lineToLabel() {};\n /**\n * @protected\n * 获取文本的位置信息\n * @param {Array} labelCfg labels\n * @param {Object} point point\n * @param {Number} index index\n * @return {Object} point\n */\n\n\n _proto.getLabelPoint = function getLabelPoint(labelCfg, point, index) {\n var self = this;\n var coord = self.get('coord');\n var total = labelCfg.text.length;\n\n function getDimValue(value, idx) {\n if (Util.isArray(value)) {\n if (labelCfg.text.length === 1) {\n // 如果仅一个label,多个y,取最后一个y\n if (value.length <= 2) {\n value = value[value.length - 1]; // value = value[0];\n } else {\n value = avg(value);\n }\n } else {\n value = value[idx];\n }\n }\n\n return value;\n }\n\n var label = {\n text: labelCfg.text[index]\n }; // 多边形场景,多用于地图\n\n if (point && this.get('geomType') === 'polygon') {\n var centroid = getCentroid(point.x, point.y);\n label.x = centroid[0];\n label.y = centroid[1];\n } else {\n label.x = getDimValue(point.x, index);\n label.y = getDimValue(point.y, index);\n } // get nearest point of the shape as the label line start point\n\n\n if (point && point.nextPoints && (point.shape === 'funnel' || point.shape === 'pyramid')) {\n var maxX = -Infinity;\n point.nextPoints.forEach(function (p) {\n p = coord.convert(p);\n\n if (p.x > maxX) {\n maxX = p.x;\n }\n });\n label.x = (label.x + maxX) / 2;\n } // sharp edge of the pyramid\n\n\n if (point.shape === 'pyramid' && !point.nextPoints && point.points) {\n point.points.forEach(function (p) {\n p = coord.convert(p);\n\n if (Util.isArray(p.x) && point.x.indexOf(p.x) === -1 || Util.isNumber(p.x) && point.x !== p.x) {\n label.x = (label.x + p.x) / 2;\n }\n });\n }\n\n if (labelCfg.position) {\n self.setLabelPosition(label, point, index, labelCfg.position);\n }\n\n var offsetPoint = self.getLabelOffset(labelCfg, index, total);\n\n if (labelCfg.offsetX) {\n offsetPoint.x += labelCfg.offsetX;\n }\n\n if (labelCfg.offsetY) {\n offsetPoint.y += labelCfg.offsetY;\n }\n\n self.transLabelPoint(label);\n label.start = {\n x: label.x,\n y: label.y\n };\n label.x += offsetPoint.x;\n label.y += offsetPoint.y;\n label.color = point.color;\n return label;\n };\n\n _proto.setLabelPosition = function setLabelPosition() {};\n\n _proto.transLabelPoint = function transLabelPoint(point) {\n var self = this;\n var coord = self.get('coord');\n var tmpPoint = coord.applyMatrix(point.x, point.y, 1);\n point.x = tmpPoint[0];\n point.y = tmpPoint[1];\n };\n\n _proto.getOffsetVector = function getOffsetVector(point) {\n var self = this;\n var offset = point.offset || 0;\n var coord = self.get('coord');\n var vector;\n\n if (coord.isTransposed) {\n // 如果x,y翻转,则偏移x\n vector = coord.applyMatrix(offset, 0);\n } else {\n // 否则,偏转y\n vector = coord.applyMatrix(0, offset);\n }\n\n return vector;\n }; // 获取默认的偏移量\n\n\n _proto.getDefaultOffset = function getDefaultOffset(point) {\n var self = this;\n var offset = 0;\n var coord = self.get('coord');\n var vector = self.getOffsetVector(point);\n\n if (coord.isTransposed) {\n // 如果x,y翻转,则偏移x\n offset = vector[0];\n } else {\n // 否则,偏转y\n offset = vector[1];\n }\n\n return offset;\n }; // 获取文本的偏移位置,x,y\n\n\n _proto.getLabelOffset = function getLabelOffset(point, index, total) {\n var self = this;\n var offset = self.getDefaultOffset(point);\n var coord = self.get('coord');\n var transposed = coord.isTransposed;\n var yField = transposed ? 'x' : 'y';\n var factor = transposed ? 1 : -1; // y 方向上越大,像素的坐标越小,所以transposed时将系数变成\n\n var offsetPoint = {\n x: 0,\n y: 0\n };\n\n if (index > 0 || total === 1) {\n // 判断是否小于0\n offsetPoint[yField] = offset * factor;\n } else {\n offsetPoint[yField] = offset * factor * -1;\n }\n\n return offsetPoint;\n };\n\n _proto.getLabelAlign = function getLabelAlign(point, index, total) {\n var self = this;\n var align = 'center';\n var coord = self.get('coord');\n\n if (coord.isTransposed) {\n var offset = self.getDefaultOffset(point); // var vector = coord.applyMatrix(offset,0);\n\n if (offset < 0) {\n align = 'right';\n } else if (offset === 0) {\n align = 'center';\n } else {\n align = 'left';\n }\n\n if (total > 1 && index === 0) {\n if (align === 'right') {\n align = 'left';\n } else if (align === 'left') {\n align = 'right';\n }\n }\n }\n\n return align;\n };\n\n _proto._getLabelValue = function _getLabelValue(origin, scales) {\n if (!Util.isArray(scales)) {\n scales = [scales];\n }\n\n var text = [];\n Util.each(scales, function (scale) {\n var value = origin[scale.field];\n\n if (Util.isArray(value)) {\n var tmp = [];\n Util.each(value, function (subVal) {\n tmp.push(scale.getText(subVal));\n });\n value = tmp;\n } else {\n value = scale.getText(value);\n }\n\n if (Util.isNil(value) || value === '') {\n text.push(null);\n }\n\n text.push(value);\n });\n return text;\n }; // 获取每个label的配置\n\n\n _proto._getLabelCfgs = function _getLabelCfgs(points) {\n var self = this;\n var labelCfg = this.get('labelCfg');\n var scales = labelCfg.scales;\n var defaultCfg = this.get('label');\n var cfgs = [];\n\n if (labelCfg.globalCfg && labelCfg.globalCfg.type) {\n self.set('type', labelCfg.globalCfg.type);\n }\n\n Util.each(points, function (point, i) {\n var cfg = {};\n var origin = point[ORIGIN];\n\n var originText = self._getLabelValue(origin, scales);\n\n if (labelCfg.callback) {\n // callback中应使用原始数据,而不是数据字符串\n var originValues = scales.map(function (scale) {\n return origin[scale.field];\n });\n cfg = labelCfg.callback.apply(null, originValues);\n }\n\n if (!cfg && cfg !== 0) {\n cfgs.push(null);\n return;\n }\n\n if (Util.isString(cfg) || Util.isNumber(cfg)) {\n cfg = {\n text: cfg\n };\n } else {\n cfg.text = cfg.content || originText[0];\n delete cfg.content;\n }\n\n cfg = Util.mix({}, defaultCfg, labelCfg.globalCfg || {}, cfg); // 兼容旧的源数据写在item.point中\n\n point.point = origin;\n\n if (cfg.htmlTemplate) {\n cfg.useHtml = true;\n cfg.text = cfg.htmlTemplate.call(null, cfg.text, point, i);\n delete cfg.htmlTemplate;\n }\n\n if (cfg.formatter) {\n cfg.text = cfg.formatter.call(null, cfg.text, point, i);\n delete cfg.formatter;\n }\n\n if (cfg.label) {\n // 兼容有些直接写在labelCfg.label的配置\n var label = cfg.label;\n delete cfg.label;\n cfg = Util.mix(cfg, label);\n }\n\n if (cfg.textStyle) {\n // 兼容旧写法,globalCfg的offset优先级高\n delete cfg.textStyle.offset;\n var textStyle = cfg.textStyle;\n\n if (Util.isFunction(textStyle)) {\n cfg.textStyle = textStyle.call(null, cfg.text, point, i);\n }\n }\n\n if (cfg.labelLine) {\n cfg.labelLine = Util.mix({}, defaultCfg.labelLine, cfg.labelLine);\n }\n\n cfg.textStyle = Util.mix({}, defaultCfg.textStyle, cfg.textStyle);\n delete cfg.items;\n cfgs.push(cfg);\n });\n this.set('labelItemCfgs', cfgs);\n };\n\n _proto.showLabels = function showLabels(points, shapes) {\n var self = this;\n var labelRenderer = self.get('labelRenderer');\n var items = self.getLabelsItems(points, shapes);\n shapes = [].concat(shapes);\n var type = self.get('type');\n items = self.adjustItems(items, shapes);\n self.drawLines(items);\n labelRenderer.set('items', items.filter(function (item, i) {\n if (!item) {\n shapes.splice(i, 1);\n return false;\n }\n\n return true;\n }));\n\n if (type) {\n labelRenderer.set('shapes', shapes);\n labelRenderer.set('type', type);\n labelRenderer.set('points', points);\n }\n\n labelRenderer.set('canvas', this.get('canvas'));\n labelRenderer.draw();\n };\n\n _proto.destroy = function destroy() {\n this.get('labelRenderer').destroy(); // 清理文本\n\n _Group.prototype.destroy.call(this);\n };\n\n return GeomLabels;\n}(Group); // Util.assign(GeomLabels.prototype, Labels.LabelslabelRenderer);\n\n\nmodule.exports = GeomLabels;\n\n/***/ }),\n/* 67 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/**\n * @fileOverview 需要计算所占x轴上的宽度的辅助类\n * @author sima.zhang1990@gmail.com\n * @author dxq613@gmail.com\n */\nvar Global = __webpack_require__(5);\n\nvar Util = __webpack_require__(0); // 已经排序后的数据查找距离最小的\n\n\nfunction findMinDistance(arr, scale) {\n var count = arr.length; // 日期类型的 values 经常上文本类型,所以需要转换一下\n\n if (Util.isString(arr[0])) {\n arr = arr.map(function (v) {\n return scale.translate(v);\n });\n }\n\n var distance = arr[1] - arr[0];\n\n for (var i = 2; i < count; i++) {\n var tmp = arr[i] - arr[i - 1];\n\n if (distance > tmp) {\n distance = tmp;\n }\n }\n\n return distance;\n}\n\nvar SizeMixin = {\n getDefaultSize: function getDefaultSize() {\n var defaultSize = this.get('defaultSize');\n var viewTheme = this.get('viewTheme') || Global;\n\n if (!defaultSize) {\n var coord = this.get('coord');\n var xScale = this.getXScale();\n var xValues = xScale.values;\n var dataArray = this.get('dataArray');\n var count;\n\n if (xScale.isLinear && xValues.length > 1) {\n xValues.sort();\n var interval = findMinDistance(xValues, xScale);\n count = (xScale.max - xScale.min) / interval;\n\n if (xValues.length > count) {\n count = xValues.length;\n }\n } else {\n count = xValues.length;\n }\n\n var range = xScale.range;\n var normalizeSize = 1 / count;\n var widthRatio = 1;\n\n if (this.isInCircle()) {\n if (coord.isTransposed && count > 1) {\n // 极坐标下多层环图\n widthRatio = viewTheme.widthRatio.multiplePie;\n } else {\n widthRatio = viewTheme.widthRatio.rose;\n }\n /* if (dataArray.length > 1) {\n normalizeSize *= (range[1] - range[0]);\n } */\n\n } else {\n if (xScale.isLinear) {\n normalizeSize *= range[1] - range[0];\n }\n\n widthRatio = viewTheme.widthRatio.column; // 柱状图要除以2\n }\n\n normalizeSize *= widthRatio;\n\n if (this.hasAdjust('dodge')) {\n var dodgeCount = this._getDodgeCount(dataArray);\n\n normalizeSize = normalizeSize / dodgeCount;\n }\n\n defaultSize = normalizeSize;\n this.set('defaultSize', defaultSize);\n }\n\n return defaultSize;\n },\n _getDodgeCount: function _getDodgeCount(dataArray) {\n var adjusts = this.get('adjusts');\n var dodgeBy;\n var count = dataArray.length;\n Util.each(adjusts, function (adjust) {\n if (adjust.type === 'dodge') {\n dodgeBy = adjust.dodgeBy;\n }\n });\n\n if (dodgeBy) {\n var mergeData = Util.Array.merge(dataArray);\n var values = Util.Array.values(mergeData, dodgeBy);\n count = values.length;\n }\n\n return count;\n },\n getDimWidth: function getDimWidth(dimName) {\n var coord = this.get('coord');\n var start = coord.convertPoint({\n x: 0,\n y: 0\n });\n var end = coord.convertPoint({\n x: dimName === 'x' ? 1 : 0,\n y: dimName === 'x' ? 0 : 1\n });\n var width = 0;\n\n if (start && end) {\n width = Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));\n }\n\n return width;\n },\n _getWidth: function _getWidth() {\n var coord = this.get('coord');\n var width; // x轴的长度\n\n if (this.isInCircle() && !coord.isTransposed) {\n // 极坐标下 width 为弧长\n width = (coord.endAngle - coord.startAngle) * coord.radius;\n } else {\n width = this.getDimWidth('x'); // 不需要判断transpose\n }\n\n return width;\n },\n _toNormalizedSize: function _toNormalizedSize(size) {\n var width = this._getWidth();\n\n return size / width;\n },\n _toCoordSize: function _toCoordSize(normalizeSize) {\n var width = this._getWidth();\n\n return width * normalizeSize;\n },\n getNormalizedSize: function getNormalizedSize(obj) {\n var size = this.getAttrValue('size', obj);\n\n if (Util.isNil(size)) {\n size = this.getDefaultSize();\n } else {\n size = this._toNormalizedSize(size);\n }\n\n return size;\n },\n getSize: function getSize(obj) {\n var size = this.getAttrValue('size', obj);\n\n if (Util.isNil(size)) {\n var normalizeSize = this.getDefaultSize();\n size = this._toCoordSize(normalizeSize);\n }\n\n return size;\n }\n};\nmodule.exports = SizeMixin;\n\n/***/ }),\n/* 68 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar Util = __webpack_require__(1);\n\nvar Shape = __webpack_require__(7);\n\nvar Format = __webpack_require__(36);\n\nvar PathSegment = __webpack_require__(47);\n\nvar Marker = function Marker(cfg) {\n Marker.superclass.constructor.call(this, cfg);\n};\n\nMarker.Symbols = {\n // 圆\n circle: function circle(x, y, r) {\n return [['M', x, y], ['m', -r, 0], ['a', r, r, 0, 1, 0, r * 2, 0], ['a', r, r, 0, 1, 0, -r * 2, 0]];\n },\n // 正方形\n square: function square(x, y, r) {\n return [['M', x - r, y - r], ['L', x + r, y - r], ['L', x + r, y + r], ['L', x - r, y + r], ['Z']];\n },\n // 菱形\n diamond: function diamond(x, y, r) {\n return [['M', x - r, y], ['L', x, y - r], ['L', x + r, y], ['L', x, y + r], ['Z']];\n },\n // 三角形\n triangle: function triangle(x, y, r) {\n var diffY = r * Math.sin(1 / 3 * Math.PI);\n return [['M', x - r, y + diffY], ['L', x, y - diffY], ['L', x + r, y + diffY], ['z']];\n },\n // 倒三角形\n 'triangle-down': function triangleDown(x, y, r) {\n var diffY = r * Math.sin(1 / 3 * Math.PI);\n return [['M', x - r, y - diffY], ['L', x + r, y - diffY], ['L', x, y + diffY], ['Z']];\n }\n};\nMarker.ATTRS = {\n path: null,\n lineWidth: 1\n};\nUtil.extend(Marker, Shape);\nUtil.augment(Marker, {\n type: 'marker',\n canFill: true,\n canStroke: true,\n getDefaultAttrs: function getDefaultAttrs() {\n return {\n x: 0,\n y: 0,\n lineWidth: 1\n };\n },\n calculateBox: function calculateBox() {\n var attrs = this._attrs;\n var cx = attrs.x;\n var cy = attrs.y;\n var r = attrs.radius;\n var lineWidth = this.getHitLineWidth();\n var halfWidth = lineWidth / 2 + r;\n return {\n minX: cx - halfWidth,\n minY: cy - halfWidth,\n maxX: cx + halfWidth,\n maxY: cy + halfWidth\n };\n },\n _getPath: function _getPath() {\n var attrs = this._attrs;\n var x = attrs.x;\n var y = attrs.y;\n var r = attrs.radius || attrs.r;\n var symbol = attrs.symbol || 'circle';\n var method;\n\n if (Util.isFunction(symbol)) {\n method = symbol;\n } else {\n method = Marker.Symbols[symbol];\n }\n\n return method(x, y, r);\n },\n createPath: function createPath(context) {\n var segments = this._cfg.segments;\n\n if (segments && !this._cfg.hasUpdate) {\n context.beginPath();\n\n for (var i = 0; i < segments.length; i++) {\n segments[i].draw(context);\n }\n\n return;\n }\n\n var path = Format.parsePath(this._getPath());\n context.beginPath();\n var preSegment;\n segments = [];\n\n for (var _i = 0; _i < path.length; _i++) {\n var item = path[_i];\n preSegment = new PathSegment(item, preSegment, _i === path.length - 1);\n segments.push(preSegment);\n preSegment.draw(context);\n }\n\n this._cfg.segments = segments;\n this._cfg.hasUpdate = false;\n }\n});\nmodule.exports = Marker;\n\n/***/ }),\n/* 69 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar Util = __webpack_require__(1);\n\nvar vec2 = Util.vec2;\n\nfunction cubicAt(p0, p1, p2, p3, t) {\n var onet = 1 - t;\n return onet * onet * (onet * p3 + 3 * t * p2) + t * t * (t * p0 + 3 * onet * p1);\n}\n\nfunction cubicDerivativeAt(p0, p1, p2, p3, t) {\n var onet = 1 - t;\n return 3 * (((p1 - p0) * onet + 2 * (p2 - p1) * t) * onet + (p3 - p2) * t * t);\n}\n\nfunction cubicProjectPoint(x1, y1, x2, y2, x3, y3, x4, y4, x, y, out) {\n var t;\n var interval = 0.005;\n var d = Infinity;\n\n var _t;\n\n var v1;\n var d1;\n var d2;\n var v2;\n var prev;\n var next;\n var EPSILON = 0.0001;\n var v0 = [x, y];\n\n for (_t = 0; _t < 1; _t += 0.05) {\n v1 = [cubicAt(x1, x2, x3, x4, _t), cubicAt(y1, y2, y3, y4, _t)];\n d1 = vec2.squaredDistance(v0, v1);\n\n if (d1 < d) {\n t = _t;\n d = d1;\n }\n }\n\n d = Infinity;\n\n for (var i = 0; i < 32; i++) {\n if (interval < EPSILON) {\n break;\n }\n\n prev = t - interval;\n next = t + interval;\n v1 = [cubicAt(x1, x2, x3, x4, prev), cubicAt(y1, y2, y3, y4, prev)];\n d1 = vec2.squaredDistance(v0, v1);\n\n if (prev >= 0 && d1 < d) {\n t = prev;\n d = d1;\n } else {\n v2 = [cubicAt(x1, x2, x3, x4, next), cubicAt(y1, y2, y3, y4, next)];\n d2 = vec2.squaredDistance(v0, v2);\n\n if (next <= 1 && d2 < d) {\n t = next;\n d = d2;\n } else {\n interval *= 0.5;\n }\n }\n }\n\n if (out) {\n out.x = cubicAt(x1, x2, x3, x4, t);\n out.y = cubicAt(y1, y2, y3, y4, t);\n }\n\n return Math.sqrt(d);\n}\n\nfunction cubicExtrema(p0, p1, p2, p3) {\n var a = 3 * p0 - 9 * p1 + 9 * p2 - 3 * p3;\n var b = 6 * p1 - 12 * p2 + 6 * p3;\n var c = 3 * p2 - 3 * p3;\n var extrema = [];\n var t1;\n var t2;\n var discSqrt;\n\n if (Util.isNumberEqual(a, 0)) {\n if (!Util.isNumberEqual(b, 0)) {\n t1 = -c / b;\n\n if (t1 >= 0 && t1 <= 1) {\n extrema.push(t1);\n }\n }\n } else {\n var disc = b * b - 4 * a * c;\n\n if (Util.isNumberEqual(disc, 0)) {\n extrema.push(-b / (2 * a));\n } else if (disc > 0) {\n discSqrt = Math.sqrt(disc);\n t1 = (-b + discSqrt) / (2 * a);\n t2 = (-b - discSqrt) / (2 * a);\n\n if (t1 >= 0 && t1 <= 1) {\n extrema.push(t1);\n }\n\n if (t2 >= 0 && t2 <= 1) {\n extrema.push(t2);\n }\n }\n }\n\n return extrema;\n}\n\nfunction base3(t, p1, p2, p3, p4) {\n var t1 = -3 * p1 + 9 * p2 - 9 * p3 + 3 * p4;\n var t2 = t * t1 + 6 * p1 - 12 * p2 + 6 * p3;\n return t * t2 - 3 * p1 + 3 * p2;\n}\n\nfunction cubiclLen(x1, y1, x2, y2, x3, y3, x4, y4, z) {\n if (Util.isNil(z)) {\n z = 1;\n }\n\n z = z > 1 ? 1 : z < 0 ? 0 : z;\n var z2 = z / 2;\n var n = 12;\n var Tvalues = [-0.1252, 0.1252, -0.3678, 0.3678, -0.5873, 0.5873, -0.7699, 0.7699, -0.9041, 0.9041, -0.9816, 0.9816];\n var Cvalues = [0.2491, 0.2491, 0.2335, 0.2335, 0.2032, 0.2032, 0.1601, 0.1601, 0.1069, 0.1069, 0.0472, 0.0472];\n var sum = 0;\n\n for (var i = 0; i < n; i++) {\n var ct = z2 * Tvalues[i] + z2;\n var xbase = base3(ct, x1, x2, x3, x4);\n var ybase = base3(ct, y1, y2, y3, y4);\n var comb = xbase * xbase + ybase * ybase;\n sum += Cvalues[i] * Math.sqrt(comb);\n }\n\n return z2 * sum;\n}\n\nmodule.exports = {\n at: cubicAt,\n derivativeAt: cubicDerivativeAt,\n projectPoint: function projectPoint(x1, y1, x2, y2, x3, y3, x4, y4, x, y) {\n var rst = {};\n cubicProjectPoint(x1, y1, x2, y2, x3, y3, x4, y4, x, y, rst);\n return rst;\n },\n pointDistance: cubicProjectPoint,\n extrema: cubicExtrema,\n len: cubiclLen\n};\n\n/***/ }),\n/* 70 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar Line = __webpack_require__(45);\n\nvar Quadratic = __webpack_require__(137);\n\nvar Cubic = __webpack_require__(69);\n\nvar Arc = __webpack_require__(44);\n\nmodule.exports = {\n line: function line(x1, y1, x2, y2, lineWidth, x, y) {\n var box = Line.box(x1, y1, x2, y2, lineWidth);\n\n if (!this.box(box.minX, box.maxX, box.minY, box.maxY, x, y)) {\n return false;\n }\n\n var d = Line.pointDistance(x1, y1, x2, y2, x, y);\n\n if (isNaN(d)) {\n return false;\n }\n\n return d <= lineWidth / 2;\n },\n polyline: function polyline(points, lineWidth, x, y) {\n var l = points.length - 1;\n\n if (l < 1) {\n return false;\n }\n\n for (var i = 0; i < l; i++) {\n var x1 = points[i][0];\n var y1 = points[i][1];\n var x2 = points[i + 1][0];\n var y2 = points[i + 1][1];\n\n if (this.line(x1, y1, x2, y2, lineWidth, x, y)) {\n return true;\n }\n }\n\n return false;\n },\n cubicline: function cubicline(x1, y1, x2, y2, x3, y3, x4, y4, lineWidth, x, y) {\n return Cubic.pointDistance(x1, y1, x2, y2, x3, y3, x4, y4, x, y) <= lineWidth / 2;\n },\n quadraticline: function quadraticline(x1, y1, x2, y2, x3, y3, lineWidth, x, y) {\n return Quadratic.pointDistance(x1, y1, x2, y2, x3, y3, x, y) <= lineWidth / 2;\n },\n arcline: function arcline(cx, cy, r, startAngle, endAngle, clockwise, lineWidth, x, y) {\n return Arc.pointDistance(cx, cy, r, startAngle, endAngle, clockwise, x, y) <= lineWidth / 2;\n },\n rect: function rect(rx, ry, width, height, x, y) {\n return rx <= x && x <= rx + width && ry <= y && y <= ry + height;\n },\n circle: function circle(cx, cy, r, x, y) {\n return Math.pow(x - cx, 2) + Math.pow(y - cy, 2) <= Math.pow(r, 2);\n },\n box: function box(minX, maxX, minY, maxY, x, y) {\n return minX <= x && x <= maxX && minY <= y && y <= maxY;\n }\n};\n\n/***/ }),\n/* 71 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar Util = __webpack_require__(143);\n\nvar SPACES = \"\\t\\n\\x0B\\f\\r \\xA0\\u1680\\u180E\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200A\\u202F\\u205F\\u3000\\u2028\\u2029\";\nvar PATH_COMMAND = new RegExp('([a-z])[' + SPACES + ',]*((-?\\\\d*\\\\.?\\\\d*(?:e[\\\\-+]?\\\\d+)?[' + SPACES + ']*,?[' + SPACES + ']*)+)', 'ig');\nvar PATH_VALUES = new RegExp('(-?\\\\d*\\\\.?\\\\d*(?:e[\\\\-+]?\\\\d+)?)[' + SPACES + ']*,?[' + SPACES + ']*', 'ig'); // Parses given path string into an array of arrays of path segments\n\nvar parsePathString = function parsePathString(pathString) {\n if (!pathString) {\n return null;\n }\n\n if (typeof pathString === typeof []) {\n return pathString;\n }\n\n var paramCounts = {\n a: 7,\n c: 6,\n o: 2,\n h: 1,\n l: 2,\n m: 2,\n r: 4,\n q: 4,\n s: 4,\n t: 2,\n v: 1,\n u: 3,\n z: 0\n };\n var data = [];\n String(pathString).replace(PATH_COMMAND, function (a, b, c) {\n var params = [];\n var name = b.toLowerCase();\n c.replace(PATH_VALUES, function (a, b) {\n b && params.push(+b);\n });\n\n if (name === 'm' && params.length > 2) {\n data.push([b].concat(params.splice(0, 2)));\n name = 'l';\n b = b === 'm' ? 'l' : 'L';\n }\n\n if (name === 'o' && params.length === 1) {\n data.push([b, params[0]]);\n }\n\n if (name === 'r') {\n data.push([b].concat(params));\n } else {\n while (params.length >= paramCounts[name]) {\n data.push([b].concat(params.splice(0, paramCounts[name])));\n\n if (!paramCounts[name]) {\n break;\n }\n }\n }\n });\n return data;\n}; // http://schepers.cc/getting-to-the-point\n\n\nvar catmullRom2bezier = function catmullRom2bezier(crp, z) {\n var d = [];\n\n for (var i = 0, iLen = crp.length; iLen - 2 * !z > i; i += 2) {\n var p = [{\n x: +crp[i - 2],\n y: +crp[i - 1]\n }, {\n x: +crp[i],\n y: +crp[i + 1]\n }, {\n x: +crp[i + 2],\n y: +crp[i + 3]\n }, {\n x: +crp[i + 4],\n y: +crp[i + 5]\n }];\n\n if (z) {\n if (!i) {\n p[0] = {\n x: +crp[iLen - 2],\n y: +crp[iLen - 1]\n };\n } else if (iLen - 4 === i) {\n p[3] = {\n x: +crp[0],\n y: +crp[1]\n };\n } else if (iLen - 2 === i) {\n p[2] = {\n x: +crp[0],\n y: +crp[1]\n };\n p[3] = {\n x: +crp[2],\n y: +crp[3]\n };\n }\n } else {\n if (iLen - 4 === i) {\n p[3] = p[2];\n } else if (!i) {\n p[0] = {\n x: +crp[i],\n y: +crp[i + 1]\n };\n }\n }\n\n d.push(['C', (-p[0].x + 6 * p[1].x + p[2].x) / 6, (-p[0].y + 6 * p[1].y + p[2].y) / 6, (p[1].x + 6 * p[2].x - p[3].x) / 6, (p[1].y + 6 * p[2].y - p[3].y) / 6, p[2].x, p[2].y]);\n }\n\n return d;\n};\n\nvar ellipsePath = function ellipsePath(x, y, rx, ry, a) {\n var res = [];\n\n if (a === null && ry === null) {\n ry = rx;\n }\n\n x = +x;\n y = +y;\n rx = +rx;\n ry = +ry;\n\n if (a !== null) {\n var rad = Math.PI / 180;\n var x1 = x + rx * Math.cos(-ry * rad);\n var x2 = x + rx * Math.cos(-a * rad);\n var y1 = y + rx * Math.sin(-ry * rad);\n var y2 = y + rx * Math.sin(-a * rad);\n res = [['M', x1, y1], ['A', rx, rx, 0, +(a - ry > 180), 0, x2, y2]];\n } else {\n res = [['M', x, y], ['m', 0, -ry], ['a', rx, ry, 0, 1, 1, 0, 2 * ry], ['a', rx, ry, 0, 1, 1, 0, -2 * ry], ['z']];\n }\n\n return res;\n};\n\nvar pathToAbsolute = function pathToAbsolute(pathArray) {\n pathArray = parsePathString(pathArray);\n\n if (!pathArray || !pathArray.length) {\n return [['M', 0, 0]];\n }\n\n var res = [];\n var x = 0;\n var y = 0;\n var mx = 0;\n var my = 0;\n var start = 0;\n var pa0;\n var dots;\n\n if (pathArray[0][0] === 'M') {\n x = +pathArray[0][1];\n y = +pathArray[0][2];\n mx = x;\n my = y;\n start++;\n res[0] = ['M', x, y];\n }\n\n var crz = pathArray.length === 3 && pathArray[0][0] === 'M' && pathArray[1][0].toUpperCase() === 'R' && pathArray[2][0].toUpperCase() === 'Z';\n\n for (var r, pa, i = start, ii = pathArray.length; i < ii; i++) {\n res.push(r = []);\n pa = pathArray[i];\n pa0 = pa[0];\n\n if (pa0 !== pa0.toUpperCase()) {\n r[0] = pa0.toUpperCase();\n\n switch (r[0]) {\n case 'A':\n r[1] = pa[1];\n r[2] = pa[2];\n r[3] = pa[3];\n r[4] = pa[4];\n r[5] = pa[5];\n r[6] = +pa[6] + x;\n r[7] = +pa[7] + y;\n break;\n\n case 'V':\n r[1] = +pa[1] + y;\n break;\n\n case 'H':\n r[1] = +pa[1] + x;\n break;\n\n case 'R':\n dots = [x, y].concat(pa.slice(1));\n\n for (var j = 2, jj = dots.length; j < jj; j++) {\n dots[j] = +dots[j] + x;\n dots[++j] = +dots[j] + y;\n }\n\n res.pop();\n res = res.concat(catmullRom2bezier(dots, crz));\n break;\n\n case 'O':\n res.pop();\n dots = ellipsePath(x, y, pa[1], pa[2]);\n dots.push(dots[0]);\n res = res.concat(dots);\n break;\n\n case 'U':\n res.pop();\n res = res.concat(ellipsePath(x, y, pa[1], pa[2], pa[3]));\n r = ['U'].concat(res[res.length - 1].slice(-2));\n break;\n\n case 'M':\n mx = +pa[1] + x;\n my = +pa[2] + y;\n break;\n // for lint\n\n default:\n for (var _j = 1, _jj = pa.length; _j < _jj; _j++) {\n r[_j] = +pa[_j] + (_j % 2 ? x : y);\n }\n\n }\n } else if (pa0 === 'R') {\n dots = [x, y].concat(pa.slice(1));\n res.pop();\n res = res.concat(catmullRom2bezier(dots, crz));\n r = ['R'].concat(pa.slice(-2));\n } else if (pa0 === 'O') {\n res.pop();\n dots = ellipsePath(x, y, pa[1], pa[2]);\n dots.push(dots[0]);\n res = res.concat(dots);\n } else if (pa0 === 'U') {\n res.pop();\n res = res.concat(ellipsePath(x, y, pa[1], pa[2], pa[3]));\n r = ['U'].concat(res[res.length - 1].slice(-2));\n } else {\n for (var k = 0, kk = pa.length; k < kk; k++) {\n r[k] = pa[k];\n }\n }\n\n pa0 = pa0.toUpperCase();\n\n if (pa0 !== 'O') {\n switch (r[0]) {\n case 'Z':\n x = +mx;\n y = +my;\n break;\n\n case 'H':\n x = r[1];\n break;\n\n case 'V':\n y = r[1];\n break;\n\n case 'M':\n mx = r[r.length - 2];\n my = r[r.length - 1];\n break;\n // for lint\n\n default:\n x = r[r.length - 2];\n y = r[r.length - 1];\n }\n }\n }\n\n return res;\n};\n\nvar l2c = function l2c(x1, y1, x2, y2) {\n return [x1, y1, x2, y2, x2, y2];\n};\n\nvar q2c = function q2c(x1, y1, ax, ay, x2, y2) {\n var _13 = 1 / 3;\n\n var _23 = 2 / 3;\n\n return [_13 * x1 + _23 * ax, _13 * y1 + _23 * ay, _13 * x2 + _23 * ax, _13 * y2 + _23 * ay, x2, y2];\n};\n\nvar a2c = function a2c(x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {\n // for more information of where this math came from visit:\n // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes\n if (rx === ry) {\n rx += 1;\n }\n\n var _120 = Math.PI * 120 / 180;\n\n var rad = Math.PI / 180 * (+angle || 0);\n var res = [];\n var xy;\n var f1;\n var f2;\n var cx;\n var cy;\n\n var rotate = function rotate(x, y, rad) {\n var X = x * Math.cos(rad) - y * Math.sin(rad);\n var Y = x * Math.sin(rad) + y * Math.cos(rad);\n return {\n x: X,\n y: Y\n };\n };\n\n if (!recursive) {\n xy = rotate(x1, y1, -rad);\n x1 = xy.x;\n y1 = xy.y;\n xy = rotate(x2, y2, -rad);\n x2 = xy.x;\n y2 = xy.y;\n\n if (x1 === x2 && y1 === y2) {\n // 若弧的起始点和终点重叠则错开一点\n x2 += 1;\n y2 += 1;\n } // const cos = Math.cos(Math.PI / 180 * angle);\n // const sin = Math.sin(Math.PI / 180 * angle);\n\n\n var x = (x1 - x2) / 2;\n var y = (y1 - y2) / 2;\n var h = x * x / (rx * rx) + y * y / (ry * ry);\n\n if (h > 1) {\n h = Math.sqrt(h);\n rx = h * rx;\n ry = h * ry;\n }\n\n var rx2 = rx * rx;\n var ry2 = ry * ry;\n var k = (large_arc_flag === sweep_flag ? -1 : 1) * Math.sqrt(Math.abs((rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x)));\n cx = k * rx * y / ry + (x1 + x2) / 2;\n cy = k * -ry * x / rx + (y1 + y2) / 2;\n f1 = Math.asin(((y1 - cy) / ry).toFixed(9));\n f2 = Math.asin(((y2 - cy) / ry).toFixed(9));\n f1 = x1 < cx ? Math.PI - f1 : f1;\n f2 = x2 < cx ? Math.PI - f2 : f2;\n f1 < 0 && (f1 = Math.PI * 2 + f1);\n f2 < 0 && (f2 = Math.PI * 2 + f2);\n\n if (sweep_flag && f1 > f2) {\n f1 = f1 - Math.PI * 2;\n }\n\n if (!sweep_flag && f2 > f1) {\n f2 = f2 - Math.PI * 2;\n }\n } else {\n f1 = recursive[0];\n f2 = recursive[1];\n cx = recursive[2];\n cy = recursive[3];\n }\n\n var df = f2 - f1;\n\n if (Math.abs(df) > _120) {\n var f2old = f2;\n var x2old = x2;\n var y2old = y2;\n f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);\n x2 = cx + rx * Math.cos(f2);\n y2 = cy + ry * Math.sin(f2);\n res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);\n }\n\n df = f2 - f1;\n var c1 = Math.cos(f1);\n var s1 = Math.sin(f1);\n var c2 = Math.cos(f2);\n var s2 = Math.sin(f2);\n var t = Math.tan(df / 4);\n var hx = 4 / 3 * rx * t;\n var hy = 4 / 3 * ry * t;\n var m1 = [x1, y1];\n var m2 = [x1 + hx * s1, y1 - hy * c1];\n var m3 = [x2 + hx * s2, y2 - hy * c2];\n var m4 = [x2, y2];\n m2[0] = 2 * m1[0] - m2[0];\n m2[1] = 2 * m1[1] - m2[1];\n\n if (recursive) {\n return [m2, m3, m4].concat(res);\n }\n\n res = [m2, m3, m4].concat(res).join().split(',');\n var newres = [];\n\n for (var i = 0, ii = res.length; i < ii; i++) {\n newres[i] = i % 2 ? rotate(res[i - 1], res[i], rad).y : rotate(res[i], res[i + 1], rad).x;\n }\n\n return newres;\n};\n\nvar pathTocurve = function pathTocurve(path, path2) {\n var p = pathToAbsolute(path);\n var p2 = path2 && pathToAbsolute(path2);\n var attrs = {\n x: 0,\n y: 0,\n bx: 0,\n by: 0,\n X: 0,\n Y: 0,\n qx: null,\n qy: null\n };\n var attrs2 = {\n x: 0,\n y: 0,\n bx: 0,\n by: 0,\n X: 0,\n Y: 0,\n qx: null,\n qy: null\n };\n var pcoms1 = []; // path commands of original path p\n\n var pcoms2 = []; // path commands of original path p2\n\n var pfirst = ''; // temporary holder for original path command\n\n var pcom = ''; // holder for previous path command of original path\n\n var ii;\n\n var processPath = function processPath(path, d, pcom) {\n var nx, ny;\n\n if (!path) {\n return ['C', d.x, d.y, d.x, d.y, d.x, d.y];\n }\n\n !(path[0] in {\n T: 1,\n Q: 1\n }) && (d.qx = d.qy = null);\n\n switch (path[0]) {\n case 'M':\n d.X = path[1];\n d.Y = path[2];\n break;\n\n case 'A':\n path = ['C'].concat(a2c.apply(0, [d.x, d.y].concat(path.slice(1))));\n break;\n\n case 'S':\n if (pcom === 'C' || pcom === 'S') {\n // In \"S\" case we have to take into account, if the previous command is C/S.\n nx = d.x * 2 - d.bx; // And reflect the previous\n\n ny = d.y * 2 - d.by; // command's control point relative to the current point.\n } else {\n // or some else or nothing\n nx = d.x;\n ny = d.y;\n }\n\n path = ['C', nx, ny].concat(path.slice(1));\n break;\n\n case 'T':\n if (pcom === 'Q' || pcom === 'T') {\n // In \"T\" case we have to take into account, if the previous command is Q/T.\n d.qx = d.x * 2 - d.qx; // And make a reflection similar\n\n d.qy = d.y * 2 - d.qy; // to case \"S\".\n } else {\n // or something else or nothing\n d.qx = d.x;\n d.qy = d.y;\n }\n\n path = ['C'].concat(q2c(d.x, d.y, d.qx, d.qy, path[1], path[2]));\n break;\n\n case 'Q':\n d.qx = path[1];\n d.qy = path[2];\n path = ['C'].concat(q2c(d.x, d.y, path[1], path[2], path[3], path[4]));\n break;\n\n case 'L':\n path = ['C'].concat(l2c(d.x, d.y, path[1], path[2]));\n break;\n\n case 'H':\n path = ['C'].concat(l2c(d.x, d.y, path[1], d.y));\n break;\n\n case 'V':\n path = ['C'].concat(l2c(d.x, d.y, d.x, path[1]));\n break;\n\n case 'Z':\n path = ['C'].concat(l2c(d.x, d.y, d.X, d.Y));\n break;\n\n default:\n break;\n }\n\n return path;\n };\n\n var fixArc = function fixArc(pp, i) {\n if (pp[i].length > 7) {\n pp[i].shift();\n var pi = pp[i];\n\n while (pi.length) {\n pcoms1[i] = 'A'; // if created multiple C:s, their original seg is saved\n\n p2 && (pcoms2[i] = 'A'); // the same as above\n\n pp.splice(i++, 0, ['C'].concat(pi.splice(0, 6)));\n }\n\n pp.splice(i, 1);\n ii = Math.max(p.length, p2 && p2.length || 0);\n }\n };\n\n var fixM = function fixM(path1, path2, a1, a2, i) {\n if (path1 && path2 && path1[i][0] === 'M' && path2[i][0] !== 'M') {\n path2.splice(i, 0, ['M', a2.x, a2.y]);\n a1.bx = 0;\n a1.by = 0;\n a1.x = path1[i][1];\n a1.y = path1[i][2];\n ii = Math.max(p.length, p2 && p2.length || 0);\n }\n };\n\n ii = Math.max(p.length, p2 && p2.length || 0);\n\n for (var i = 0; i < ii; i++) {\n p[i] && (pfirst = p[i][0]); // save current path command\n\n if (pfirst !== 'C') {\n // C is not saved yet, because it may be result of conversion\n pcoms1[i] = pfirst; // Save current path command\n\n i && (pcom = pcoms1[i - 1]); // Get previous path command pcom\n }\n\n p[i] = processPath(p[i], attrs, pcom); // Previous path command is inputted to processPath\n\n if (pcoms1[i] !== 'A' && pfirst === 'C') pcoms1[i] = 'C'; // A is the only command\n // which may produce multiple C:s\n // so we have to make sure that C is also C in original path\n\n fixArc(p, i); // fixArc adds also the right amount of A:s to pcoms1\n\n if (p2) {\n // the same procedures is done to p2\n p2[i] && (pfirst = p2[i][0]);\n\n if (pfirst !== 'C') {\n pcoms2[i] = pfirst;\n i && (pcom = pcoms2[i - 1]);\n }\n\n p2[i] = processPath(p2[i], attrs2, pcom);\n\n if (pcoms2[i] !== 'A' && pfirst === 'C') {\n pcoms2[i] = 'C';\n }\n\n fixArc(p2, i);\n }\n\n fixM(p, p2, attrs, attrs2, i);\n fixM(p2, p, attrs2, attrs, i);\n var seg = p[i];\n var seg2 = p2 && p2[i];\n var seglen = seg.length;\n var seg2len = p2 && seg2.length;\n attrs.x = seg[seglen - 2];\n attrs.y = seg[seglen - 1];\n attrs.bx = parseFloat(seg[seglen - 4]) || attrs.x;\n attrs.by = parseFloat(seg[seglen - 3]) || attrs.y;\n attrs2.bx = p2 && (parseFloat(seg2[seg2len - 4]) || attrs2.x);\n attrs2.by = p2 && (parseFloat(seg2[seg2len - 3]) || attrs2.y);\n attrs2.x = p2 && seg2[seg2len - 2];\n attrs2.y = p2 && seg2[seg2len - 1];\n }\n\n return p2 ? [p, p2] : p;\n};\n\nvar p2s = /,?([a-z]),?/gi;\n\nvar parsePathArray = function parsePathArray(path) {\n return path.join(',').replace(p2s, '$1');\n};\n\nvar base3 = function base3(t, p1, p2, p3, p4) {\n var t1 = -3 * p1 + 9 * p2 - 9 * p3 + 3 * p4;\n var t2 = t * t1 + 6 * p1 - 12 * p2 + 6 * p3;\n return t * t2 - 3 * p1 + 3 * p2;\n};\n\nvar bezlen = function bezlen(x1, y1, x2, y2, x3, y3, x4, y4, z) {\n if (z === null) {\n z = 1;\n }\n\n z = z > 1 ? 1 : z < 0 ? 0 : z;\n var z2 = z / 2;\n var n = 12;\n var Tvalues = [-0.1252, 0.1252, -0.3678, 0.3678, -0.5873, 0.5873, -0.7699, 0.7699, -0.9041, 0.9041, -0.9816, 0.9816];\n var Cvalues = [0.2491, 0.2491, 0.2335, 0.2335, 0.2032, 0.2032, 0.1601, 0.1601, 0.1069, 0.1069, 0.0472, 0.0472];\n var sum = 0;\n\n for (var i = 0; i < n; i++) {\n var ct = z2 * Tvalues[i] + z2;\n var xbase = base3(ct, x1, x2, x3, x4);\n var ybase = base3(ct, y1, y2, y3, y4);\n var comb = xbase * xbase + ybase * ybase;\n sum += Cvalues[i] * Math.sqrt(comb);\n }\n\n return z2 * sum;\n};\n\nvar curveDim = function curveDim(x0, y0, x1, y1, x2, y2, x3, y3) {\n var tvalues = [];\n var bounds = [[], []];\n var a;\n var b;\n var c;\n var t;\n\n for (var i = 0; i < 2; ++i) {\n if (i === 0) {\n b = 6 * x0 - 12 * x1 + 6 * x2;\n a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;\n c = 3 * x1 - 3 * x0;\n } else {\n b = 6 * y0 - 12 * y1 + 6 * y2;\n a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;\n c = 3 * y1 - 3 * y0;\n }\n\n if (Math.abs(a) < 1e-12) {\n if (Math.abs(b) < 1e-12) {\n continue;\n }\n\n t = -c / b;\n\n if (t > 0 && t < 1) {\n tvalues.push(t);\n }\n\n continue;\n }\n\n var b2ac = b * b - 4 * c * a;\n var sqrtb2ac = Math.sqrt(b2ac);\n\n if (b2ac < 0) {\n continue;\n }\n\n var t1 = (-b + sqrtb2ac) / (2 * a);\n\n if (t1 > 0 && t1 < 1) {\n tvalues.push(t1);\n }\n\n var t2 = (-b - sqrtb2ac) / (2 * a);\n\n if (t2 > 0 && t2 < 1) {\n tvalues.push(t2);\n }\n }\n\n var j = tvalues.length;\n var jlen = j;\n var mt;\n\n while (j--) {\n t = tvalues[j];\n mt = 1 - t;\n bounds[0][j] = mt * mt * mt * x0 + 3 * mt * mt * t * x1 + 3 * mt * t * t * x2 + t * t * t * x3;\n bounds[1][j] = mt * mt * mt * y0 + 3 * mt * mt * t * y1 + 3 * mt * t * t * y2 + t * t * t * y3;\n }\n\n bounds[0][jlen] = x0;\n bounds[1][jlen] = y0;\n bounds[0][jlen + 1] = x3;\n bounds[1][jlen + 1] = y3;\n bounds[0].length = bounds[1].length = jlen + 2;\n return {\n min: {\n x: Math.min.apply(0, bounds[0]),\n y: Math.min.apply(0, bounds[1])\n },\n max: {\n x: Math.max.apply(0, bounds[0]),\n y: Math.max.apply(0, bounds[1])\n }\n };\n};\n\nvar intersect = function intersect(x1, y1, x2, y2, x3, y3, x4, y4) {\n if (Math.max(x1, x2) < Math.min(x3, x4) || Math.min(x1, x2) > Math.max(x3, x4) || Math.max(y1, y2) < Math.min(y3, y4) || Math.min(y1, y2) > Math.max(y3, y4)) {\n return;\n }\n\n var nx = (x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4);\n var ny = (x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4);\n var denominator = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);\n\n if (!denominator) {\n return;\n }\n\n var px = nx / denominator;\n var py = ny / denominator;\n var px2 = +px.toFixed(2);\n var py2 = +py.toFixed(2);\n\n if (px2 < +Math.min(x1, x2).toFixed(2) || px2 > +Math.max(x1, x2).toFixed(2) || px2 < +Math.min(x3, x4).toFixed(2) || px2 > +Math.max(x3, x4).toFixed(2) || py2 < +Math.min(y1, y2).toFixed(2) || py2 > +Math.max(y1, y2).toFixed(2) || py2 < +Math.min(y3, y4).toFixed(2) || py2 > +Math.max(y3, y4).toFixed(2)) {\n return;\n }\n\n return {\n x: px,\n y: py\n };\n};\n\nvar isPointInsideBBox = function isPointInsideBBox(bbox, x, y) {\n return x >= bbox.x && x <= bbox.x + bbox.width && y >= bbox.y && y <= bbox.y + bbox.height;\n};\n\nvar rectPath = function rectPath(x, y, w, h, r) {\n if (r) {\n return [['M', +x + +r, y], ['l', w - r * 2, 0], ['a', r, r, 0, 0, 1, r, r], ['l', 0, h - r * 2], ['a', r, r, 0, 0, 1, -r, r], ['l', r * 2 - w, 0], ['a', r, r, 0, 0, 1, -r, -r], ['l', 0, r * 2 - h], ['a', r, r, 0, 0, 1, r, -r], ['z']];\n }\n\n var res = [['M', x, y], ['l', w, 0], ['l', 0, h], ['l', -w, 0], ['z']];\n res.parsePathArray = parsePathArray;\n return res;\n};\n\nvar box = function box(x, y, width, height) {\n if (x === null) {\n x = y = width = height = 0;\n }\n\n if (y === null) {\n y = x.y;\n width = x.width;\n height = x.height;\n x = x.x;\n }\n\n return {\n x: x,\n y: y,\n width: width,\n w: width,\n height: height,\n h: height,\n x2: x + width,\n y2: y + height,\n cx: x + width / 2,\n cy: y + height / 2,\n r1: Math.min(width, height) / 2,\n r2: Math.max(width, height) / 2,\n r0: Math.sqrt(width * width + height * height) / 2,\n path: rectPath(x, y, width, height),\n vb: [x, y, width, height].join(' ')\n };\n};\n\nvar isBBoxIntersect = function isBBoxIntersect(bbox1, bbox2) {\n bbox1 = box(bbox1);\n bbox2 = box(bbox2);\n return isPointInsideBBox(bbox2, bbox1.x, bbox1.y) || isPointInsideBBox(bbox2, bbox1.x2, bbox1.y) || isPointInsideBBox(bbox2, bbox1.x, bbox1.y2) || isPointInsideBBox(bbox2, bbox1.x2, bbox1.y2) || isPointInsideBBox(bbox1, bbox2.x, bbox2.y) || isPointInsideBBox(bbox1, bbox2.x2, bbox2.y) || isPointInsideBBox(bbox1, bbox2.x, bbox2.y2) || isPointInsideBBox(bbox1, bbox2.x2, bbox2.y2) || (bbox1.x < bbox2.x2 && bbox1.x > bbox2.x || bbox2.x < bbox1.x2 && bbox2.x > bbox1.x) && (bbox1.y < bbox2.y2 && bbox1.y > bbox2.y || bbox2.y < bbox1.y2 && bbox2.y > bbox1.y);\n};\n\nvar bezierBBox = function bezierBBox(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y) {\n if (!Util.isArray(p1x)) {\n p1x = [p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y];\n }\n\n var bbox = curveDim.apply(null, p1x);\n return box(bbox.min.x, bbox.min.y, bbox.max.x - bbox.min.x, bbox.max.y - bbox.min.y);\n};\n\nvar findDotsAtSegment = function findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, t) {\n var t1 = 1 - t;\n var t13 = Math.pow(t1, 3);\n var t12 = Math.pow(t1, 2);\n var t2 = t * t;\n var t3 = t2 * t;\n var x = t13 * p1x + t12 * 3 * t * c1x + t1 * 3 * t * t * c2x + t3 * p2x;\n var y = t13 * p1y + t12 * 3 * t * c1y + t1 * 3 * t * t * c2y + t3 * p2y;\n var mx = p1x + 2 * t * (c1x - p1x) + t2 * (c2x - 2 * c1x + p1x);\n var my = p1y + 2 * t * (c1y - p1y) + t2 * (c2y - 2 * c1y + p1y);\n var nx = c1x + 2 * t * (c2x - c1x) + t2 * (p2x - 2 * c2x + c1x);\n var ny = c1y + 2 * t * (c2y - c1y) + t2 * (p2y - 2 * c2y + c1y);\n var ax = t1 * p1x + t * c1x;\n var ay = t1 * p1y + t * c1y;\n var cx = t1 * c2x + t * p2x;\n var cy = t1 * c2y + t * p2y;\n var alpha = 90 - Math.atan2(mx - nx, my - ny) * 180 / Math.PI; // (mx > nx || my < ny) && (alpha += 180);\n\n return {\n x: x,\n y: y,\n m: {\n x: mx,\n y: my\n },\n n: {\n x: nx,\n y: ny\n },\n start: {\n x: ax,\n y: ay\n },\n end: {\n x: cx,\n y: cy\n },\n alpha: alpha\n };\n};\n\nvar interHelper = function interHelper(bez1, bez2, justCount) {\n var bbox1 = bezierBBox(bez1);\n var bbox2 = bezierBBox(bez2);\n\n if (!isBBoxIntersect(bbox1, bbox2)) {\n return justCount ? 0 : [];\n }\n\n var l1 = bezlen.apply(0, bez1);\n var l2 = bezlen.apply(0, bez2);\n var n1 = ~~(l1 / 8);\n var n2 = ~~(l2 / 8);\n var dots1 = [];\n var dots2 = [];\n var xy = {};\n var res = justCount ? 0 : [];\n\n for (var i = 0; i < n1 + 1; i++) {\n var d = findDotsAtSegment.apply(0, bez1.concat(i / n1));\n dots1.push({\n x: d.x,\n y: d.y,\n t: i / n1\n });\n }\n\n for (var _i = 0; _i < n2 + 1; _i++) {\n var _d = findDotsAtSegment.apply(0, bez2.concat(_i / n2));\n\n dots2.push({\n x: _d.x,\n y: _d.y,\n t: _i / n2\n });\n }\n\n for (var _i2 = 0; _i2 < n1; _i2++) {\n for (var j = 0; j < n2; j++) {\n var di = dots1[_i2];\n var di1 = dots1[_i2 + 1];\n var dj = dots2[j];\n var dj1 = dots2[j + 1];\n var ci = Math.abs(di1.x - di.x) < 0.001 ? 'y' : 'x';\n var cj = Math.abs(dj1.x - dj.x) < 0.001 ? 'y' : 'x';\n var is = intersect(di.x, di.y, di1.x, di1.y, dj.x, dj.y, dj1.x, dj1.y);\n\n if (is) {\n if (xy[is.x.toFixed(4)] === is.y.toFixed(4)) {\n continue;\n }\n\n xy[is.x.toFixed(4)] = is.y.toFixed(4);\n var t1 = di.t + Math.abs((is[ci] - di[ci]) / (di1[ci] - di[ci])) * (di1.t - di.t);\n var t2 = dj.t + Math.abs((is[cj] - dj[cj]) / (dj1[cj] - dj[cj])) * (dj1.t - dj.t);\n\n if (t1 >= 0 && t1 <= 1 && t2 >= 0 && t2 <= 1) {\n if (justCount) {\n res++;\n } else {\n res.push({\n x: is.x,\n y: is.y,\n t1: t1,\n t2: t2\n });\n }\n }\n }\n }\n }\n\n return res;\n};\n\nvar interPathHelper = function interPathHelper(path1, path2, justCount) {\n path1 = pathTocurve(path1);\n path2 = pathTocurve(path2);\n var x1;\n var y1;\n var x2;\n var y2;\n var x1m;\n var y1m;\n var x2m;\n var y2m;\n var bez1;\n var bez2;\n var res = justCount ? 0 : [];\n\n for (var i = 0, ii = path1.length; i < ii; i++) {\n var pi = path1[i];\n\n if (pi[0] === 'M') {\n x1 = x1m = pi[1];\n y1 = y1m = pi[2];\n } else {\n if (pi[0] === 'C') {\n bez1 = [x1, y1].concat(pi.slice(1));\n x1 = bez1[6];\n y1 = bez1[7];\n } else {\n bez1 = [x1, y1, x1, y1, x1m, y1m, x1m, y1m];\n x1 = x1m;\n y1 = y1m;\n }\n\n for (var j = 0, jj = path2.length; j < jj; j++) {\n var pj = path2[j];\n\n if (pj[0] === 'M') {\n x2 = x2m = pj[1];\n y2 = y2m = pj[2];\n } else {\n if (pj[0] === 'C') {\n bez2 = [x2, y2].concat(pj.slice(1));\n x2 = bez2[6];\n y2 = bez2[7];\n } else {\n bez2 = [x2, y2, x2, y2, x2m, y2m, x2m, y2m];\n x2 = x2m;\n y2 = y2m;\n }\n\n var intr = interHelper(bez1, bez2, justCount);\n\n if (justCount) {\n res += intr;\n } else {\n for (var k = 0, kk = intr.length; k < kk; k++) {\n intr[k].segment1 = i;\n intr[k].segment2 = j;\n intr[k].bez1 = bez1;\n intr[k].bez2 = bez2;\n }\n\n res = res.concat(intr);\n }\n }\n }\n }\n }\n\n return res;\n};\n\nvar pathIntersection = function pathIntersection(path1, path2) {\n return interPathHelper(path1, path2);\n};\n\nfunction decasteljau(points, t) {\n var left = [];\n var right = [];\n\n function recurse(points, t) {\n if (points.length === 1) {\n left.push(points[0]);\n right.push(points[0]);\n } else {\n var middlePoints = [];\n\n for (var i = 0; i < points.length - 1; i++) {\n if (i === 0) {\n left.push(points[0]);\n }\n\n if (i === points.length - 2) {\n right.push(points[i + 1]);\n }\n\n middlePoints[i] = [(1 - t) * points[i][0] + t * points[i + 1][0], (1 - t) * points[i][1] + t * points[i + 1][1]];\n }\n\n recurse(middlePoints, t);\n }\n }\n\n if (points.length) {\n recurse(points, t);\n }\n\n return {\n left: left,\n right: right.reverse()\n };\n}\n\nfunction splitCurve(start, end, count) {\n var points = [[start[1], start[2]]];\n count = count || 2;\n var segments = [];\n\n if (end[0] === 'A') {\n points.push(end[6]);\n points.push(end[7]);\n } else if (end[0] === 'C') {\n points.push([end[1], end[2]]);\n points.push([end[3], end[4]]);\n points.push([end[5], end[6]]);\n } else if (end[0] === 'S' || end[0] === 'Q') {\n points.push([end[1], end[2]]);\n points.push([end[3], end[4]]);\n } else {\n points.push([end[1], end[2]]);\n }\n\n var leftSegments = points;\n var t = 1 / count;\n\n for (var i = 0; i < count - 1; i++) {\n var rt = t / (1 - t * i);\n var split = decasteljau(leftSegments, rt);\n segments.push(split.left);\n leftSegments = split.right;\n }\n\n segments.push(leftSegments);\n var result = segments.map(function (segment) {\n var cmd = [];\n\n if (segment.length === 4) {\n cmd.push('C');\n cmd = cmd.concat(segment[2]);\n }\n\n if (segment.length >= 3) {\n if (segment.length === 3) {\n cmd.push('Q');\n }\n\n cmd = cmd.concat(segment[1]);\n }\n\n if (segment.length === 2) {\n cmd.push('L');\n }\n\n cmd = cmd.concat(segment[segment.length - 1]);\n return cmd;\n });\n return result;\n}\n\nvar splitSegment = function splitSegment(start, end, count) {\n if (count === 1) {\n return [[].concat(start)];\n }\n\n var segments = [];\n\n if (end[0] === 'L' || end[0] === 'C' || end[0] === 'Q') {\n segments = segments.concat(splitCurve(start, end, count));\n } else {\n var temp = [].concat(start);\n\n if (temp[0] === 'M') {\n temp[0] = 'L';\n }\n\n for (var i = 0; i <= count - 1; i++) {\n segments.push(temp);\n }\n }\n\n return segments;\n};\n\nvar fillPath = function fillPath(source, target) {\n if (source.length === 1) {\n return source;\n }\n\n var sourceLen = source.length - 1;\n var targetLen = target.length - 1;\n var ratio = sourceLen / targetLen;\n var segmentsToFill = [];\n\n if (source.length === 1 && source[0][0] === 'M') {\n for (var i = 0; i < targetLen - sourceLen; i++) {\n source.push(source[0]);\n }\n\n return source;\n }\n\n for (var _i3 = 0; _i3 < targetLen; _i3++) {\n var index = Math.floor(ratio * _i3);\n segmentsToFill[index] = (segmentsToFill[index] || 0) + 1;\n }\n\n var filled = segmentsToFill.reduce(function (filled, count, i) {\n if (i === sourceLen) {\n return filled.concat(source[sourceLen]);\n }\n\n return filled.concat(splitSegment(source[i], source[i + 1], count));\n }, []);\n filled.unshift(source[0]);\n\n if (target[targetLen] === 'Z' || target[targetLen] === 'z') {\n filled.push('Z');\n }\n\n return filled;\n};\n\nvar isEqual = function isEqual(obj1, obj2) {\n if (obj1.length !== obj2.length) {\n return false;\n }\n\n var result = true;\n Util.each(obj1, function (item, i) {\n if (item !== obj2[i]) {\n result = false;\n return false;\n }\n });\n return result;\n};\n\nfunction getMinDiff(del, add, modify) {\n var type = null;\n var min = modify;\n\n if (add < min) {\n min = add;\n type = 'add';\n }\n\n if (del < min) {\n min = del;\n type = 'del';\n }\n\n return {\n type: type,\n min: min\n };\n}\n/*\n * https://en.wikipedia.org/wiki/Levenshtein_distance\n * 计算两条path的编辑距离\n */\n\n\nvar levenshteinDistance = function levenshteinDistance(source, target) {\n var sourceLen = source.length;\n var targetLen = target.length;\n var sourceSegment, targetSegment;\n var temp = 0;\n\n if (sourceLen === 0 || targetLen === 0) {\n return null;\n }\n\n var dist = [];\n\n for (var i = 0; i <= sourceLen; i++) {\n dist[i] = [];\n dist[i][0] = {\n min: i\n };\n }\n\n for (var j = 0; j <= targetLen; j++) {\n dist[0][j] = {\n min: j\n };\n }\n\n for (var _i4 = 1; _i4 <= sourceLen; _i4++) {\n sourceSegment = source[_i4 - 1];\n\n for (var _j2 = 1; _j2 <= targetLen; _j2++) {\n targetSegment = target[_j2 - 1];\n\n if (isEqual(sourceSegment, targetSegment)) {\n temp = 0;\n } else {\n temp = 1;\n }\n\n var del = dist[_i4 - 1][_j2].min + 1;\n var add = dist[_i4][_j2 - 1].min + 1;\n var modify = dist[_i4 - 1][_j2 - 1].min + temp;\n dist[_i4][_j2] = getMinDiff(del, add, modify);\n }\n }\n\n return dist;\n};\n\nvar fillPathByDiff = function fillPathByDiff(source, target) {\n var diffMatrix = levenshteinDistance(source, target);\n var sourceLen = source.length;\n var targetLen = target.length;\n var changes = [];\n var index = 1;\n var minPos = 1; // 如果source和target不是完全不相等\n\n if (diffMatrix[sourceLen][targetLen] !== sourceLen) {\n // 获取从source到target所需改动\n for (var i = 1; i <= sourceLen; i++) {\n var min = diffMatrix[i][i].min;\n minPos = i;\n\n for (var j = index; j <= targetLen; j++) {\n if (diffMatrix[i][j].min < min) {\n min = diffMatrix[i][j].min;\n minPos = j;\n }\n }\n\n index = minPos;\n\n if (diffMatrix[i][index].type) {\n changes.push({\n index: i - 1,\n type: diffMatrix[i][index].type\n });\n }\n } // 对source进行增删path\n\n\n for (var _i5 = changes.length - 1; _i5 >= 0; _i5--) {\n index = changes[_i5].index;\n\n if (changes[_i5].type === 'add') {\n source.splice(index, 0, [].concat(source[index]));\n } else {\n source.splice(index, 1);\n }\n }\n } // source尾部补齐\n\n\n sourceLen = source.length;\n var diff = targetLen - sourceLen;\n\n if (sourceLen < targetLen) {\n for (var _i6 = 0; _i6 < diff; _i6++) {\n if (source[sourceLen - 1][0] === 'z' || source[sourceLen - 1][0] === 'Z') {\n source.splice(sourceLen - 2, 0, source[sourceLen - 2]);\n } else {\n source.push(source[sourceLen - 1]);\n }\n\n sourceLen += 1;\n }\n }\n\n return source;\n}; // 将两个点均分成count个点\n\n\nfunction _splitPoints(points, former, count) {\n var result = [].concat(points);\n var index;\n var t = 1 / (count + 1);\n\n var formerEnd = _getSegmentPoints(former)[0];\n\n for (var i = 1; i <= count; i++) {\n t *= i;\n index = Math.floor(points.length * t);\n\n if (index === 0) {\n result.unshift([formerEnd[0] * t + points[index][0] * (1 - t), formerEnd[1] * t + points[index][1] * (1 - t)]);\n } else {\n result.splice(index, 0, [formerEnd[0] * t + points[index][0] * (1 - t), formerEnd[1] * t + points[index][1] * (1 - t)]);\n }\n }\n\n return result;\n}\n/*\n * 抽取pathSegment中的关键点\n * M,L,A,Q,H,V一个端点\n * Q, S抽取一个端点,一个控制点\n * C抽取一个端点,两个控制点\n */\n\n\nfunction _getSegmentPoints(segment) {\n var points = [];\n\n switch (segment[0]) {\n case 'M':\n points.push([segment[1], segment[2]]);\n break;\n\n case 'L':\n points.push([segment[1], segment[2]]);\n break;\n\n case 'A':\n points.push([segment[6], segment[7]]);\n break;\n\n case 'Q':\n points.push([segment[3], segment[4]]);\n points.push([segment[1], segment[2]]);\n break;\n\n case 'T':\n points.push([segment[1], segment[2]]);\n break;\n\n case 'C':\n points.push([segment[5], segment[6]]);\n points.push([segment[1], segment[2]]);\n points.push([segment[3], segment[4]]);\n break;\n\n case 'S':\n points.push([segment[3], segment[4]]);\n points.push([segment[1], segment[2]]);\n break;\n\n case 'H':\n points.push([segment[1], segment[1]]);\n break;\n\n case 'V':\n points.push([segment[1], segment[1]]);\n break;\n\n default:\n }\n\n return points;\n}\n\nvar formatPath = function formatPath(fromPath, toPath) {\n if (fromPath.length <= 1) {\n return fromPath;\n }\n\n var points;\n\n for (var i = 0; i < toPath.length; i++) {\n if (fromPath[i][0] !== toPath[i][0]) {\n // 获取fromPath的pathSegment的端点,根据toPath的指令对其改造\n points = _getSegmentPoints(fromPath[i]);\n\n switch (toPath[i][0]) {\n case 'M':\n fromPath[i] = ['M'].concat(points[0]);\n break;\n\n case 'L':\n fromPath[i] = ['L'].concat(points[0]);\n break;\n\n case 'A':\n fromPath[i] = [].concat(toPath[i]);\n fromPath[i][6] = points[0][0];\n fromPath[i][7] = points[0][1];\n break;\n\n case 'Q':\n if (points.length < 2) {\n if (i > 0) {\n points = _splitPoints(points, fromPath[i - 1], 1);\n } else {\n fromPath[i] = toPath[i];\n break;\n }\n }\n\n fromPath[i] = ['Q'].concat(points.reduce(function (arr, i) {\n return arr.concat(i);\n }, []));\n break;\n\n case 'T':\n fromPath[i] = ['T'].concat(points[0]);\n break;\n\n case 'C':\n if (points.length < 3) {\n if (i > 0) {\n points = _splitPoints(points, fromPath[i - 1], 2);\n } else {\n fromPath[i] = toPath[i];\n break;\n }\n }\n\n fromPath[i] = ['C'].concat(points.reduce(function (arr, i) {\n return arr.concat(i);\n }, []));\n break;\n\n case 'S':\n if (points.length < 2) {\n if (i > 0) {\n points = _splitPoints(points, fromPath[i - 1], 1);\n } else {\n fromPath[i] = toPath[i];\n break;\n }\n }\n\n fromPath[i] = ['S'].concat(points.reduce(function (arr, i) {\n return arr.concat(i);\n }, []));\n break;\n\n default:\n fromPath[i] = toPath[i];\n }\n }\n }\n\n return fromPath;\n};\n\nmodule.exports = {\n parsePathString: parsePathString,\n parsePathArray: parsePathArray,\n pathTocurve: pathTocurve,\n pathToAbsolute: pathToAbsolute,\n catmullRomToBezier: catmullRom2bezier,\n rectPath: rectPath,\n fillPath: fillPath,\n fillPathByDiff: fillPathByDiff,\n formatPath: formatPath,\n intersection: pathIntersection\n};\n\n/***/ }),\n/* 72 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.setMatrixArrayType = setMatrixArrayType;\nexports.toRadian = toRadian;\nexports.equals = equals;\n/**\n * Common utilities\n * @module glMatrix\n */\n\n// Configuration Constants\nvar EPSILON = exports.EPSILON = 0.000001;\nvar ARRAY_TYPE = exports.ARRAY_TYPE = typeof Float32Array !== 'undefined' ? Float32Array : Array;\nvar RANDOM = exports.RANDOM = Math.random;\n\n/**\n * Sets the type of array used when creating new vectors and matrices\n *\n * @param {Type} type Array type, such as Float32Array or Array\n */\nfunction setMatrixArrayType(type) {\n exports.ARRAY_TYPE = ARRAY_TYPE = type;\n}\n\nvar degree = Math.PI / 180;\n\n/**\n * Convert Degree To Radian\n *\n * @param {Number} a Angle in Degrees\n */\nfunction toRadian(a) {\n return a * degree;\n}\n\n/**\n * Tests whether or not the arguments have approximately the same value, within an absolute\n * or relative tolerance of glMatrix.EPSILON (an absolute tolerance is used for values less\n * than or equal to 1.0, and a relative tolerance is used for larger values)\n *\n * @param {Number} a The first number to test.\n * @param {Number} b The second number to test.\n * @returns {Boolean} True if the numbers are approximately equal, false otherwise.\n */\nfunction equals(a, b) {\n return Math.abs(a - b) <= EPSILON * Math.max(1.0, Math.abs(a), Math.abs(b));\n}\n\n/***/ }),\n/* 73 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isNil = __webpack_require__(6);\nvar isArray = __webpack_require__(4);\nvar each = __webpack_require__(2);\n\nmodule.exports = function valuesOfKey(data, name) {\n var rst = [];\n var tmpMap = {};\n for (var i = 0; i < data.length; i++) {\n var obj = data[i];\n var value = obj[name];\n if (!isNil(value)) {\n if (!isArray(value)) {\n value = [value];\n }\n each(value, function (val) {\n if (!tmpMap[val]) {\n rst.push(val);\n tmpMap[val] = true;\n }\n });\n }\n }\n return rst;\n};\n\n/***/ }),\n/* 74 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar isArray = __webpack_require__(4);\n\nvar clone = function clone(obj) {\n if ((typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) !== 'object' || obj === null) {\n return obj;\n }\n var rst = void 0;\n if (isArray(obj)) {\n rst = [];\n for (var i = 0, l = obj.length; i < l; i++) {\n if (_typeof(obj[i]) === 'object' && obj[i] != null) {\n rst[i] = clone(obj[i]);\n } else {\n rst[i] = obj[i];\n }\n }\n } else {\n rst = {};\n for (var k in obj) {\n if (_typeof(obj[k]) === 'object' && obj[k] != null) {\n rst[k] = clone(obj[k]);\n } else {\n rst[k] = obj[k];\n }\n }\n }\n\n return rst;\n};\n\nmodule.exports = clone;\n\n/***/ }),\n/* 75 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isPlainObject = __webpack_require__(39);\nvar isArray = __webpack_require__(4);\n\nvar MAX_MIX_LEVEL = 5;\n\nfunction _deepMix(dist, src, level, maxLevel) {\n level = level || 0;\n maxLevel = maxLevel || MAX_MIX_LEVEL;\n for (var key in src) {\n if (src.hasOwnProperty(key)) {\n var value = src[key];\n if (value !== null && isPlainObject(value)) {\n if (!isPlainObject(dist[key])) {\n dist[key] = {};\n }\n if (level < maxLevel) {\n _deepMix(dist[key], value, level + 1, maxLevel);\n } else {\n dist[key] = src[key];\n }\n } else if (isArray(value)) {\n dist[key] = [];\n dist[key] = dist[key].concat(value);\n } else if (value !== undefined) {\n dist[key] = value;\n }\n }\n }\n}\n\nvar deepMix = function deepMix() {\n var args = new Array(arguments.length);\n var length = args.length;\n for (var i = 0; i < length; i++) {\n args[i] = arguments[i];\n }\n var rst = args[0];\n for (var _i = 1; _i < length; _i++) {\n _deepMix(rst, args[_i]);\n }\n return rst;\n};\n\nmodule.exports = deepMix;\n\n/***/ }),\n/* 76 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar each = __webpack_require__(2);\nvar isArrayLike = __webpack_require__(20);\n\nvar filter = function filter(arr, func) {\n if (!isArrayLike(arr)) {\n return arr;\n }\n var result = [];\n each(arr, function (value, index) {\n if (func(value, index)) {\n result.push(value);\n }\n });\n return result;\n};\n\nmodule.exports = filter;\n\n/***/ }),\n/* 77 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar isObjectLike = __webpack_require__(80);\nvar isArrayLike = __webpack_require__(20);\nvar isString = __webpack_require__(14);\n\nvar isEqual = function isEqual(value, other) {\n if (value === other) {\n return true;\n }\n if (!value || !other) {\n return false;\n }\n if (isString(value) || isString(other)) {\n return false;\n }\n if (isArrayLike(value) || isArrayLike(other)) {\n if (value.length !== other.length) {\n return false;\n }\n var rst = true;\n for (var i = 0; i < value.length; i++) {\n rst = isEqual(value[i], other[i]);\n if (!rst) {\n break;\n }\n }\n return rst;\n }\n if (isObjectLike(value) || isObjectLike(other)) {\n var valueKeys = Object.keys(value);\n var otherKeys = Object.keys(other);\n if (valueKeys.length !== otherKeys.length) {\n return false;\n }\n var _rst = true;\n for (var _i = 0; _i < valueKeys.length; _i++) {\n _rst = isEqual(value[valueKeys[_i]], other[valueKeys[_i]]);\n if (!_rst) {\n break;\n }\n }\n return _rst;\n }\n return false;\n};\n\nmodule.exports = isEqual;\n\n/***/ }),\n/* 78 */\n/***/ (function(module, exports) {\n\nvar clamp = function clamp(a, min, max) {\n if (a < min) {\n return min;\n } else if (a > max) {\n return max;\n }\n return a;\n};\n\nmodule.exports = clamp;\n\n/***/ }),\n/* 79 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar mat3 = __webpack_require__(331);\n\nmat3.translate = function (out, a, v) {\n var transMat = new Array(9);\n mat3.fromTranslation(transMat, v);\n return mat3.multiply(out, transMat, a);\n};\n\nmat3.rotate = function (out, a, rad) {\n var rotateMat = new Array(9);\n mat3.fromRotation(rotateMat, rad);\n return mat3.multiply(out, rotateMat, a);\n};\n\nmat3.scale = function (out, a, v) {\n var scaleMat = new Array(9);\n mat3.fromScaling(scaleMat, v);\n return mat3.multiply(out, scaleMat, a);\n};\n\nmodule.exports = mat3;\n\n/***/ }),\n/* 80 */\n/***/ (function(module, exports) {\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar isObjectLike = function isObjectLike(value) {\n /**\n * isObjectLike({}) => true\n * isObjectLike([1, 2, 3]) => true\n * isObjectLike(Function) => false\n * isObjectLike(null) => false\n */\n return (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value !== null;\n};\n\nmodule.exports = isObjectLike;\n\n/***/ }),\n/* 81 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar deleteFuncMap = {\n Chart: 'deleteChart',\n Coord: 'deleteCoord',\n Geom: 'deleteGeom',\n Axis: 'deleteAxis',\n Tooltip: 'deleteTooltip',\n Legend: 'deleteLegend',\n Label: 'deleteLabel',\n View: 'deleteView',\n Guide: 'deleteGuide',\n GuideLine: 'deleteTypedGuide',\n GuideImage: 'deleteTypedGuide',\n GuideText: 'deleteTypedGuide',\n GuideRegion: 'deleteTypedGuide',\n GuideHtml: 'deleteTypedGuide',\n GuideArc: 'deleteTypedGuide',\n GuideRegionFilter: 'deleteTypedGuide',\n GuideDataMarker: 'deleteTypedGuide',\n GuideDataRegion: 'deleteTypedGuide',\n Facet: 'deleteFacet'\n};\n\nvar iMerge = {\n merge: function merge(config, deleteInfos, elementInfos, clear) {\n this.mergeDelete(config, deleteInfos, elementInfos);\n this.mergeUpdate(config, clear);\n },\n mergeDelete: function mergeDelete(config, deleteInfos, elementInfos) {\n var _this = this;\n\n Object.keys(deleteInfos).forEach(function (id) {\n var funName = deleteFuncMap[elementInfos[id].name];\n var deleteConfigContainer = config;\n if (elementInfos[id].viewId) {\n deleteConfigContainer = config.views[elementInfos[id].viewId];\n }\n if (_this[funName]) {\n _this[funName](deleteConfigContainer, id, elementInfos[id].parentInfo.id);\n }\n });\n },\n deleteAxis: function deleteAxis(config, id) {\n if (!config) return;\n delete config.axises[id];\n },\n deleteTooltip: function deleteTooltip(config) {\n if (!config) return;\n delete config.tooltip;\n },\n deleteCoord: function deleteCoord(config) {\n if (!config) return;\n delete config.coord;\n },\n deleteLegend: function deleteLegend(config, id) {\n if (!config) return;\n delete config.legends[id];\n },\n deleteGuide: function deleteGuide(config) {\n if (!config) return;\n delete config.guide;\n },\n deleteGeom: function deleteGeom(config, id) {\n if (!config || !config.geoms) return;\n\n delete config.geoms[id];\n },\n deleteLabel: function deleteLabel(config, id, parentId) {\n if (!config || !config.geoms || !config.geoms[parentId]) return;\n\n delete config.geoms[parentId].label;\n },\n deleteFacet: function deleteFacet(config) {\n if (!config) return;\n\n delete config.facet;\n },\n deleteTypedGuide: function deleteTypedGuide(config, id) {\n if (!config || !config.guide) return;\n delete config.guide.elements[id];\n },\n deleteView: function deleteView(config, id) {\n if (!config) return;\n delete config.views[id];\n },\n mergeUpdate: function mergeUpdate(config, clear) {\n this.mergeChart(config, clear);\n this.mergeAxises(config, clear);\n this.mergeCoord(config, clear);\n this.mergeGeoms(config.geoms, clear);\n this.mergeLegends(config.legends, clear);\n this.mergeTooltip(config, clear);\n this.mergeViews(config.views, clear);\n this.mergeGuide(config.guide, clear);\n },\n mergeChart: function mergeChart(config, clear) {\n if (config.chart && config.chart.updateProps) {\n config.chart.props = config.chart.updateProps;\n }\n if (clear) {\n delete config.chart.g2Instance;\n }\n },\n mergeAxises: function mergeAxises(config, clear) {\n var axises = config.axises;\n\n if (!axises == null) {\n return;\n }\n\n for (var id in axises) {\n if (axises[id] && axises[id].updateProps) {\n axises[id].props = axises[id].updateProps;\n }\n if (clear) {\n delete axises[id].g2Instance;\n }\n }\n },\n mergeTooltip: function mergeTooltip(config, clear) {\n if (!config.tooltip) return;\n if (clear) {\n delete config.tooltip.g2Instance;\n }\n\n if (config.tooltip.updateProps) {\n config.tooltip.props = config.tooltip.updateProps;\n }\n },\n mergeCoord: function mergeCoord(config, clear) {\n if (!config.coord) return;\n if (clear) delete config.coord.g2Instance;\n if (config.coord.updateProps) {\n config.coord.props = config.coord.updateProps;\n }\n },\n mergeLegends: function mergeLegends(legends, clear) {\n if (!legends) return;\n\n for (var id in legends) {\n if (legends[id]) {\n var legendConfig = legends[id];\n if (clear) {\n delete legendConfig.g2Instance;\n }\n if (legendConfig.updateProps) legendConfig.props = legendConfig.updateProps;\n }\n }\n },\n mergeGeoms: function mergeGeoms(geoms, clear) {\n if (geoms == null) return;\n\n for (var id in geoms) {\n if (geoms[id]) {\n if (clear) {\n delete geoms[id].g2Instance;\n if (geoms[id].label && geoms[id].label.g2Instance) {\n if (geoms[id].label.updateProps) {\n geoms[id].label.props = geoms[id].label.updateProps;\n }\n delete geoms[id].label.g2Instance;\n }\n }\n if (geoms[id].updateProps) geoms[id].props = geoms[id].updateProps;\n }\n }\n },\n mergeGuide: function mergeGuide(guide, clear) {\n if (guide == null) return;\n\n var guides = guide.elements;\n for (var id in guides) {\n if (guides[id]) {\n if (clear) {\n delete guides[id].g2Instance;\n }\n if (guides[id].updateProps) {\n guides[id].props = guides[id].updateProps;\n }\n }\n }\n },\n mergeView: function mergeView(view, clear) {\n if (!view) return;\n // merge self\n if (clear && view.g2Instance) {\n delete view.g2Instance;\n }\n if (view.updateProps) {\n view.props = view.updateProps;\n }\n\n this.mergeCoord(view, clear);\n this.mergeAxises(view, clear);\n this.mergeGeoms(view.geoms, clear);\n this.mergeGuide(view.guide, clear);\n },\n mergeViews: function mergeViews(views, clear) {\n if (views == null) return;\n\n for (var id in views) {\n if (views[id]) {\n this.mergeView(views[id], clear);\n }\n }\n }\n};\n\nexports.default = iMerge;\n\n/***/ }),\n/* 82 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.Prop = exports.Util = undefined;\n\nvar _util = __webpack_require__(54);\n\nvar _util2 = _interopRequireDefault(_util);\n\nvar _prop = __webpack_require__(421);\n\nvar _prop2 = _interopRequireDefault(_prop);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.Util = _util2.default;\nexports.Prop = _prop2.default;\n\n/***/ }),\n/* 83 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (immutable) */ __webpack_exports__[\"c\"] = Color;\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"e\", function() { return darker; });\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"d\", function() { return brighter; });\n/* harmony export (immutable) */ __webpack_exports__[\"h\"] = color;\n/* harmony export (immutable) */ __webpack_exports__[\"b\"] = rgbConvert;\n/* harmony export (immutable) */ __webpack_exports__[\"g\"] = rgb;\n/* harmony export (immutable) */ __webpack_exports__[\"a\"] = Rgb;\n/* unused harmony export hslConvert */\n/* harmony export (immutable) */ __webpack_exports__[\"f\"] = hsl;\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__define__ = __webpack_require__(84);\n\n\nfunction Color() {}\n\nvar darker = 0.7;\nvar brighter = 1 / darker;\n\nvar reI = \"\\\\s*([+-]?\\\\d+)\\\\s*\",\n reN = \"\\\\s*([+-]?\\\\d*\\\\.?\\\\d+(?:[eE][+-]?\\\\d+)?)\\\\s*\",\n reP = \"\\\\s*([+-]?\\\\d*\\\\.?\\\\d+(?:[eE][+-]?\\\\d+)?)%\\\\s*\",\n reHex3 = /^#([0-9a-f]{3})$/,\n reHex6 = /^#([0-9a-f]{6})$/,\n reRgbInteger = new RegExp(\"^rgb\\\\(\" + [reI, reI, reI] + \"\\\\)$\"),\n reRgbPercent = new RegExp(\"^rgb\\\\(\" + [reP, reP, reP] + \"\\\\)$\"),\n reRgbaInteger = new RegExp(\"^rgba\\\\(\" + [reI, reI, reI, reN] + \"\\\\)$\"),\n reRgbaPercent = new RegExp(\"^rgba\\\\(\" + [reP, reP, reP, reN] + \"\\\\)$\"),\n reHslPercent = new RegExp(\"^hsl\\\\(\" + [reN, reP, reP] + \"\\\\)$\"),\n reHslaPercent = new RegExp(\"^hsla\\\\(\" + [reN, reP, reP, reN] + \"\\\\)$\");\n\nvar named = {\n aliceblue: 0xf0f8ff,\n antiquewhite: 0xfaebd7,\n aqua: 0x00ffff,\n aquamarine: 0x7fffd4,\n azure: 0xf0ffff,\n beige: 0xf5f5dc,\n bisque: 0xffe4c4,\n black: 0x000000,\n blanchedalmond: 0xffebcd,\n blue: 0x0000ff,\n blueviolet: 0x8a2be2,\n brown: 0xa52a2a,\n burlywood: 0xdeb887,\n cadetblue: 0x5f9ea0,\n chartreuse: 0x7fff00,\n chocolate: 0xd2691e,\n coral: 0xff7f50,\n cornflowerblue: 0x6495ed,\n cornsilk: 0xfff8dc,\n crimson: 0xdc143c,\n cyan: 0x00ffff,\n darkblue: 0x00008b,\n darkcyan: 0x008b8b,\n darkgoldenrod: 0xb8860b,\n darkgray: 0xa9a9a9,\n darkgreen: 0x006400,\n darkgrey: 0xa9a9a9,\n darkkhaki: 0xbdb76b,\n darkmagenta: 0x8b008b,\n darkolivegreen: 0x556b2f,\n darkorange: 0xff8c00,\n darkorchid: 0x9932cc,\n darkred: 0x8b0000,\n darksalmon: 0xe9967a,\n darkseagreen: 0x8fbc8f,\n darkslateblue: 0x483d8b,\n darkslategray: 0x2f4f4f,\n darkslategrey: 0x2f4f4f,\n darkturquoise: 0x00ced1,\n darkviolet: 0x9400d3,\n deeppink: 0xff1493,\n deepskyblue: 0x00bfff,\n dimgray: 0x696969,\n dimgrey: 0x696969,\n dodgerblue: 0x1e90ff,\n firebrick: 0xb22222,\n floralwhite: 0xfffaf0,\n forestgreen: 0x228b22,\n fuchsia: 0xff00ff,\n gainsboro: 0xdcdcdc,\n ghostwhite: 0xf8f8ff,\n gold: 0xffd700,\n goldenrod: 0xdaa520,\n gray: 0x808080,\n green: 0x008000,\n greenyellow: 0xadff2f,\n grey: 0x808080,\n honeydew: 0xf0fff0,\n hotpink: 0xff69b4,\n indianred: 0xcd5c5c,\n indigo: 0x4b0082,\n ivory: 0xfffff0,\n khaki: 0xf0e68c,\n lavender: 0xe6e6fa,\n lavenderblush: 0xfff0f5,\n lawngreen: 0x7cfc00,\n lemonchiffon: 0xfffacd,\n lightblue: 0xadd8e6,\n lightcoral: 0xf08080,\n lightcyan: 0xe0ffff,\n lightgoldenrodyellow: 0xfafad2,\n lightgray: 0xd3d3d3,\n lightgreen: 0x90ee90,\n lightgrey: 0xd3d3d3,\n lightpink: 0xffb6c1,\n lightsalmon: 0xffa07a,\n lightseagreen: 0x20b2aa,\n lightskyblue: 0x87cefa,\n lightslategray: 0x778899,\n lightslategrey: 0x778899,\n lightsteelblue: 0xb0c4de,\n lightyellow: 0xffffe0,\n lime: 0x00ff00,\n limegreen: 0x32cd32,\n linen: 0xfaf0e6,\n magenta: 0xff00ff,\n maroon: 0x800000,\n mediumaquamarine: 0x66cdaa,\n mediumblue: 0x0000cd,\n mediumorchid: 0xba55d3,\n mediumpurple: 0x9370db,\n mediumseagreen: 0x3cb371,\n mediumslateblue: 0x7b68ee,\n mediumspringgreen: 0x00fa9a,\n mediumturquoise: 0x48d1cc,\n mediumvioletred: 0xc71585,\n midnightblue: 0x191970,\n mintcream: 0xf5fffa,\n mistyrose: 0xffe4e1,\n moccasin: 0xffe4b5,\n navajowhite: 0xffdead,\n navy: 0x000080,\n oldlace: 0xfdf5e6,\n olive: 0x808000,\n olivedrab: 0x6b8e23,\n orange: 0xffa500,\n orangered: 0xff4500,\n orchid: 0xda70d6,\n palegoldenrod: 0xeee8aa,\n palegreen: 0x98fb98,\n paleturquoise: 0xafeeee,\n palevioletred: 0xdb7093,\n papayawhip: 0xffefd5,\n peachpuff: 0xffdab9,\n peru: 0xcd853f,\n pink: 0xffc0cb,\n plum: 0xdda0dd,\n powderblue: 0xb0e0e6,\n purple: 0x800080,\n rebeccapurple: 0x663399,\n red: 0xff0000,\n rosybrown: 0xbc8f8f,\n royalblue: 0x4169e1,\n saddlebrown: 0x8b4513,\n salmon: 0xfa8072,\n sandybrown: 0xf4a460,\n seagreen: 0x2e8b57,\n seashell: 0xfff5ee,\n sienna: 0xa0522d,\n silver: 0xc0c0c0,\n skyblue: 0x87ceeb,\n slateblue: 0x6a5acd,\n slategray: 0x708090,\n slategrey: 0x708090,\n snow: 0xfffafa,\n springgreen: 0x00ff7f,\n steelblue: 0x4682b4,\n tan: 0xd2b48c,\n teal: 0x008080,\n thistle: 0xd8bfd8,\n tomato: 0xff6347,\n turquoise: 0x40e0d0,\n violet: 0xee82ee,\n wheat: 0xf5deb3,\n white: 0xffffff,\n whitesmoke: 0xf5f5f5,\n yellow: 0xffff00,\n yellowgreen: 0x9acd32\n};\n\n__webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__define__[\"a\" /* default */])(Color, color, {\n displayable: function() {\n return this.rgb().displayable();\n },\n hex: function() {\n return this.rgb().hex();\n },\n toString: function() {\n return this.rgb() + \"\";\n }\n});\n\nfunction color(format) {\n var m;\n format = (format + \"\").trim().toLowerCase();\n return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00\n : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000\n : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0)\n : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%)\n : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1)\n : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1)\n : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%)\n : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1)\n : named.hasOwnProperty(format) ? rgbn(named[format])\n : format === \"transparent\" ? new Rgb(NaN, NaN, NaN, 0)\n : null;\n}\n\nfunction rgbn(n) {\n return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1);\n}\n\nfunction rgba(r, g, b, a) {\n if (a <= 0) r = g = b = NaN;\n return new Rgb(r, g, b, a);\n}\n\nfunction rgbConvert(o) {\n if (!(o instanceof Color)) o = color(o);\n if (!o) return new Rgb;\n o = o.rgb();\n return new Rgb(o.r, o.g, o.b, o.opacity);\n}\n\nfunction rgb(r, g, b, opacity) {\n return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity);\n}\n\nfunction Rgb(r, g, b, opacity) {\n this.r = +r;\n this.g = +g;\n this.b = +b;\n this.opacity = +opacity;\n}\n\n__webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__define__[\"a\" /* default */])(Rgb, rgb, __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__define__[\"b\" /* extend */])(Color, {\n brighter: function(k) {\n k = k == null ? brighter : Math.pow(brighter, k);\n return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity);\n },\n darker: function(k) {\n k = k == null ? darker : Math.pow(darker, k);\n return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity);\n },\n rgb: function() {\n return this;\n },\n displayable: function() {\n return (0 <= this.r && this.r <= 255)\n && (0 <= this.g && this.g <= 255)\n && (0 <= this.b && this.b <= 255)\n && (0 <= this.opacity && this.opacity <= 1);\n },\n hex: function() {\n return \"#\" + hex(this.r) + hex(this.g) + hex(this.b);\n },\n toString: function() {\n var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a));\n return (a === 1 ? \"rgb(\" : \"rgba(\")\n + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + \", \"\n + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + \", \"\n + Math.max(0, Math.min(255, Math.round(this.b) || 0))\n + (a === 1 ? \")\" : \", \" + a + \")\");\n }\n}));\n\nfunction hex(value) {\n value = Math.max(0, Math.min(255, Math.round(value) || 0));\n return (value < 16 ? \"0\" : \"\") + value.toString(16);\n}\n\nfunction hsla(h, s, l, a) {\n if (a <= 0) h = s = l = NaN;\n else if (l <= 0 || l >= 1) h = s = NaN;\n else if (s <= 0) h = NaN;\n return new Hsl(h, s, l, a);\n}\n\nfunction hslConvert(o) {\n if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity);\n if (!(o instanceof Color)) o = color(o);\n if (!o) return new Hsl;\n if (o instanceof Hsl) return o;\n o = o.rgb();\n var r = o.r / 255,\n g = o.g / 255,\n b = o.b / 255,\n min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n h = NaN,\n s = max - min,\n l = (max + min) / 2;\n if (s) {\n if (r === max) h = (g - b) / s + (g < b) * 6;\n else if (g === max) h = (b - r) / s + 2;\n else h = (r - g) / s + 4;\n s /= l < 0.5 ? max + min : 2 - max - min;\n h *= 60;\n } else {\n s = l > 0 && l < 1 ? 0 : h;\n }\n return new Hsl(h, s, l, o.opacity);\n}\n\nfunction hsl(h, s, l, opacity) {\n return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity);\n}\n\nfunction Hsl(h, s, l, opacity) {\n this.h = +h;\n this.s = +s;\n this.l = +l;\n this.opacity = +opacity;\n}\n\n__webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__define__[\"a\" /* default */])(Hsl, hsl, __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0__define__[\"b\" /* extend */])(Color, {\n brighter: function(k) {\n k = k == null ? brighter : Math.pow(brighter, k);\n return new Hsl(this.h, this.s, this.l * k, this.opacity);\n },\n darker: function(k) {\n k = k == null ? darker : Math.pow(darker, k);\n return new Hsl(this.h, this.s, this.l * k, this.opacity);\n },\n rgb: function() {\n var h = this.h % 360 + (this.h < 0) * 360,\n s = isNaN(h) || isNaN(this.s) ? 0 : this.s,\n l = this.l,\n m2 = l + (l < 0.5 ? l : 1 - l) * s,\n m1 = 2 * l - m2;\n return new Rgb(\n hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2),\n hsl2rgb(h, m1, m2),\n hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2),\n this.opacity\n );\n },\n displayable: function() {\n return (0 <= this.s && this.s <= 1 || isNaN(this.s))\n && (0 <= this.l && this.l <= 1)\n && (0 <= this.opacity && this.opacity <= 1);\n }\n}));\n\n/* From FvD 13.37, CSS Color Module Level 3 */\nfunction hsl2rgb(h, m1, m2) {\n return (h < 60 ? m1 + (m2 - m1) * h / 60\n : h < 180 ? m2\n : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60\n : m1) * 255;\n}\n\n\n/***/ }),\n/* 84 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (immutable) */ __webpack_exports__[\"b\"] = extend;\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(constructor, factory, prototype) {\n constructor.prototype = factory.prototype = prototype;\n prototype.constructor = constructor;\n});\n\nfunction extend(parent, definition) {\n var prototype = Object.create(parent.prototype);\n for (var key in definition) prototype[key] = definition[key];\n return prototype;\n}\n\n\n/***/ }),\n/* 85 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (immutable) */ __webpack_exports__[\"b\"] = basis;\nfunction basis(t1, v0, v1, v2, v3) {\n var t2 = t1 * t1, t3 = t2 * t1;\n return ((1 - 3 * t1 + 3 * t2 - t3) * v0\n + (4 - 6 * t2 + 3 * t3) * v1\n + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2\n + t3 * v3) / 6;\n}\n\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(values) {\n var n = values.length - 1;\n return function(t) {\n var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n),\n v1 = values[i],\n v2 = values[i + 1],\n v0 = i > 0 ? values[i - 1] : 2 * v1 - v2,\n v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1;\n return basis((t - i / n) * n, v0, v1, v2, v3);\n };\n});\n\n\n/***/ }),\n/* 86 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_d3_color__ = __webpack_require__(12);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__rgb__ = __webpack_require__(199);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__array__ = __webpack_require__(194);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_3__date__ = __webpack_require__(197);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_4__number__ = __webpack_require__(55);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_5__object__ = __webpack_require__(198);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_6__string__ = __webpack_require__(200);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_7__constant__ = __webpack_require__(196);\n\n\n\n\n\n\n\n\n\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(a, b) {\n var t = typeof b, c;\n return b == null || t === \"boolean\" ? __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_7__constant__[\"a\" /* default */])(b)\n : (t === \"number\" ? __WEBPACK_IMPORTED_MODULE_4__number__[\"a\" /* default */]\n : t === \"string\" ? ((c = __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0_d3_color__[\"f\" /* color */])(b)) ? (b = c, __WEBPACK_IMPORTED_MODULE_1__rgb__[\"a\" /* default */]) : __WEBPACK_IMPORTED_MODULE_6__string__[\"a\" /* default */])\n : b instanceof __WEBPACK_IMPORTED_MODULE_0_d3_color__[\"f\" /* color */] ? __WEBPACK_IMPORTED_MODULE_1__rgb__[\"a\" /* default */]\n : b instanceof Date ? __WEBPACK_IMPORTED_MODULE_3__date__[\"a\" /* default */]\n : Array.isArray(b) ? __WEBPACK_IMPORTED_MODULE_2__array__[\"a\" /* default */]\n : typeof b.valueOf !== \"function\" && typeof b.toString !== \"function\" || isNaN(b) ? __WEBPACK_IMPORTED_MODULE_5__object__[\"a\" /* default */]\n : __WEBPACK_IMPORTED_MODULE_4__number__[\"a\" /* default */])(a, b);\n});\n\n\n/***/ }),\n/* 87 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (immutable) */ __webpack_exports__[\"b\"] = basis;\nfunction basis(t1, v0, v1, v2, v3) {\n var t2 = t1 * t1, t3 = t2 * t1;\n return ((1 - 3 * t1 + 3 * t2 - t3) * v0\n + (4 - 6 * t2 + 3 * t3) * v1\n + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2\n + t3 * v3) / 6;\n}\n\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(values) {\n var n = values.length - 1;\n return function(t) {\n var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n),\n v1 = values[i],\n v2 = values[i + 1],\n v0 = i > 0 ? values[i - 1] : 2 * v1 - v2,\n v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1;\n return basis((t - i / n) * n, v0, v1, v2, v3);\n };\n});\n\n\n/***/ }),\n/* 88 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__value__ = __webpack_require__(89);\n/* unused harmony reexport interpolate */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__array__ = __webpack_require__(201);\n/* unused harmony reexport interpolateArray */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__basis__ = __webpack_require__(87);\n/* unused harmony reexport interpolateBasis */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_3__basisClosed__ = __webpack_require__(202);\n/* unused harmony reexport interpolateBasisClosed */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_4__date__ = __webpack_require__(204);\n/* unused harmony reexport interpolateDate */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_5__discrete__ = __webpack_require__(449);\n/* unused harmony reexport interpolateDiscrete */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_6__hue__ = __webpack_require__(452);\n/* unused harmony reexport interpolateHue */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_7__number__ = __webpack_require__(56);\n/* harmony reexport (binding) */ __webpack_require__.d(__webpack_exports__, \"b\", function() { return __WEBPACK_IMPORTED_MODULE_7__number__[\"a\"]; });\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_8__object__ = __webpack_require__(205);\n/* unused harmony reexport interpolateObject */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_9__round__ = __webpack_require__(456);\n/* unused harmony reexport interpolateRound */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_10__string__ = __webpack_require__(207);\n/* harmony reexport (binding) */ __webpack_require__.d(__webpack_exports__, \"d\", function() { return __WEBPACK_IMPORTED_MODULE_10__string__[\"a\"]; });\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_11__transform_index__ = __webpack_require__(458);\n/* harmony reexport (binding) */ __webpack_require__.d(__webpack_exports__, \"a\", function() { return __WEBPACK_IMPORTED_MODULE_11__transform_index__[\"a\"]; });\n/* harmony reexport (binding) */ __webpack_require__.d(__webpack_exports__, \"e\", function() { return __WEBPACK_IMPORTED_MODULE_11__transform_index__[\"b\"]; });\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_12__zoom__ = __webpack_require__(460);\n/* unused harmony reexport interpolateZoom */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_13__rgb__ = __webpack_require__(206);\n/* harmony reexport (binding) */ __webpack_require__.d(__webpack_exports__, \"c\", function() { return __WEBPACK_IMPORTED_MODULE_13__rgb__[\"a\"]; });\n/* unused harmony reexport interpolateRgbBasis */\n/* unused harmony reexport interpolateRgbBasisClosed */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_14__hsl__ = __webpack_require__(451);\n/* unused harmony reexport interpolateHsl */\n/* unused harmony reexport interpolateHslLong */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_15__lab__ = __webpack_require__(453);\n/* unused harmony reexport interpolateLab */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_16__hcl__ = __webpack_require__(450);\n/* unused harmony reexport interpolateHcl */\n/* unused harmony reexport interpolateHclLong */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_17__cubehelix__ = __webpack_require__(448);\n/* unused harmony reexport interpolateCubehelix */\n/* unused harmony reexport interpolateCubehelixLong */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_18__piecewise__ = __webpack_require__(454);\n/* unused harmony reexport piecewise */\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_19__quantize__ = __webpack_require__(455);\n/* unused harmony reexport quantize */\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n/***/ }),\n/* 89 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_d3_color__ = __webpack_require__(12);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__rgb__ = __webpack_require__(206);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__array__ = __webpack_require__(201);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_3__date__ = __webpack_require__(204);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_4__number__ = __webpack_require__(56);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_5__object__ = __webpack_require__(205);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_6__string__ = __webpack_require__(207);\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_7__constant__ = __webpack_require__(203);\n\n\n\n\n\n\n\n\n\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(a, b) {\n var t = typeof b, c;\n return b == null || t === \"boolean\" ? __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_7__constant__[\"a\" /* default */])(b)\n : (t === \"number\" ? __WEBPACK_IMPORTED_MODULE_4__number__[\"a\" /* default */]\n : t === \"string\" ? ((c = __webpack_require__.i(__WEBPACK_IMPORTED_MODULE_0_d3_color__[\"f\" /* color */])(b)) ? (b = c, __WEBPACK_IMPORTED_MODULE_1__rgb__[\"a\" /* default */]) : __WEBPACK_IMPORTED_MODULE_6__string__[\"a\" /* default */])\n : b instanceof __WEBPACK_IMPORTED_MODULE_0_d3_color__[\"f\" /* color */] ? __WEBPACK_IMPORTED_MODULE_1__rgb__[\"a\" /* default */]\n : b instanceof Date ? __WEBPACK_IMPORTED_MODULE_3__date__[\"a\" /* default */]\n : Array.isArray(b) ? __WEBPACK_IMPORTED_MODULE_2__array__[\"a\" /* default */]\n : typeof b.valueOf !== \"function\" && typeof b.toString !== \"function\" || isNaN(b) ? __WEBPACK_IMPORTED_MODULE_5__object__[\"a\" /* default */]\n : __WEBPACK_IMPORTED_MODULE_4__number__[\"a\" /* default */])(a, b);\n});\n\n\n/***/ }),\n/* 90 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__namespaces__ = __webpack_require__(91);\n\n\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(name) {\n var prefix = name += \"\", i = prefix.indexOf(\":\");\n if (i >= 0 && (prefix = name.slice(0, i)) !== \"xmlns\") name = name.slice(i + 1);\n return __WEBPACK_IMPORTED_MODULE_0__namespaces__[\"a\" /* default */].hasOwnProperty(prefix) ? {space: __WEBPACK_IMPORTED_MODULE_0__namespaces__[\"a\" /* default */][prefix], local: name} : name;\n});\n\n\n/***/ }),\n/* 91 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"b\", function() { return xhtml; });\nvar xhtml = \"http://www.w3.org/1999/xhtml\";\n\n/* harmony default export */ __webpack_exports__[\"a\"] = ({\n svg: \"http://www.w3.org/2000/svg\",\n xhtml: xhtml,\n xlink: \"http://www.w3.org/1999/xlink\",\n xml: \"http://www.w3.org/XML/1998/namespace\",\n xmlns: \"http://www.w3.org/2000/xmlns/\"\n});\n\n\n/***/ }),\n/* 92 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, \"a\", function() { return event; });\n/* harmony export (immutable) */ __webpack_exports__[\"b\"] = customEvent;\nvar filterEvents = {};\n\nvar event = null;\n\nif (typeof document !== \"undefined\") {\n var element = document.documentElement;\n if (!(\"onmouseenter\" in element)) {\n filterEvents = {mouseenter: \"mouseover\", mouseleave: \"mouseout\"};\n }\n}\n\nfunction filterContextListener(listener, index, group) {\n listener = contextListener(listener, index, group);\n return function(event) {\n var related = event.relatedTarget;\n if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) {\n listener.call(this, event);\n }\n };\n}\n\nfunction contextListener(listener, index, group) {\n return function(event1) {\n var event0 = event; // Events can be reentrant (e.g., focus).\n event = event1;\n try {\n listener.call(this, this.__data__, index, group);\n } finally {\n event = event0;\n }\n };\n}\n\nfunction parseTypenames(typenames) {\n return typenames.trim().split(/^|\\s+/).map(function(t) {\n var name = \"\", i = t.indexOf(\".\");\n if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i);\n return {type: t, name: name};\n });\n}\n\nfunction onRemove(typename) {\n return function() {\n var on = this.__on;\n if (!on) return;\n for (var j = 0, i = -1, m = on.length, o; j < m; ++j) {\n if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) {\n this.removeEventListener(o.type, o.listener, o.capture);\n } else {\n on[++i] = o;\n }\n }\n if (++i) on.length = i;\n else delete this.__on;\n };\n}\n\nfunction onAdd(typename, value, capture) {\n var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener;\n return function(d, i, group) {\n var on = this.__on, o, listener = wrap(value, i, group);\n if (on) for (var j = 0, m = on.length; j < m; ++j) {\n if ((o = on[j]).type === typename.type && o.name === typename.name) {\n this.removeEventListener(o.type, o.listener, o.capture);\n this.addEventListener(o.type, o.listener = listener, o.capture = capture);\n o.value = value;\n return;\n }\n }\n this.addEventListener(typename.type, listener, capture);\n o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture};\n if (!on) this.__on = [o];\n else on.push(o);\n };\n}\n\n/* harmony default export */ __webpack_exports__[\"c\"] = (function(typename, value, capture) {\n var typenames = parseTypenames(typename + \"\"), i, n = typenames.length, t;\n\n if (arguments.length < 2) {\n var on = this.node().__on;\n if (on) for (var j = 0, m = on.length, o; j < m; ++j) {\n for (i = 0, o = on[j]; i < n; ++i) {\n if ((t = typenames[i]).type === o.type && t.name === o.name) {\n return o.value;\n }\n }\n }\n return;\n }\n\n on = value ? onAdd : onRemove;\n if (capture == null) capture = false;\n for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture));\n return this;\n});\n\nfunction customEvent(event1, listener, that, args) {\n var event0 = event;\n event1.sourceEvent = event;\n event = event1;\n try {\n return listener.apply(that, args);\n } finally {\n event = event0;\n }\n}\n\n\n/***/ }),\n/* 93 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\nfunction none() {}\n\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(selector) {\n return selector == null ? none : function() {\n return this.querySelector(selector);\n };\n});\n\n\n/***/ }),\n/* 94 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__selection_on__ = __webpack_require__(92);\n\n\n/* harmony default export */ __webpack_exports__[\"a\"] = (function() {\n var current = __WEBPACK_IMPORTED_MODULE_0__selection_on__[\"a\" /* event */], source;\n while (source = current.sourceEvent) current = source;\n return current;\n});\n\n\n/***/ }),\n/* 95 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony default export */ __webpack_exports__[\"a\"] = (function(node) {\n return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node\n || (node.document && node) // node is a Window\n || node.defaultView; // node is a Document\n});\n\n\n/***/ }),\n/* 96 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\nObject.defineProperty(__webpack_exports__, \"__esModule\", { value: true });\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__timer__ = __webpack_require__(97);\n/* harmony reexport (binding) */ __webpack_require__.d(__webpack_exports__, \"now\", function() { return __WEBPACK_IMPORTED_MODULE_0__timer__[\"a\"]; });\n/* harmony reexport (binding) */ __webpack_require__.d(__webpack_exports__, \"timer\", function() { return __WEBPACK_IMPORTED_MODULE_0__timer__[\"b\"]; });\n/* harmony reexport (binding) */ __webpack_require__.d(__webpack_exports__, \"timerFlush\", function() { return __WEBPACK_IMPORTED_MODULE_0__timer__[\"c\"]; });\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__timeout__ = __webpack_require__(496);\n/* harmony reexport (binding) */ __webpack_require__.d(__webpack_exports__, \"timeout\", function() { return __WEBPACK_IMPORTED_MODULE_1__timeout__[\"a\"]; });\n/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__interval__ = __webpack_require__(495);\n/* harmony reexport (binding) */ __webpack_require__.d(__webpack_exports__, \"interval\", function() { return __WEBPACK_IMPORTED_MODULE_2__interval__[\"a\"]; });\n\n\n\n\n\n\n\n/***/ }),\n/* 97 */\n/***/ (function(module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n/* harmony export (immutable) */ __webpack_exports__[\"a\"] = now;\n/* harmony export (immutable) */ __webpack_exports__[\"d\"] = Timer;\n/* harmony export (immutable) */ __webpack_exports__[\"b\"] = timer;\n/* harmony export (immutable) */ __webpack_exports__[\"c\"] = timerFlush;\nvar frame = 0, // is an animation frame pending?\n timeout = 0, // is a timeout pending?\n interval = 0, // are any timers active?\n pokeDelay = 1000, // how frequently we check for clock skew\n taskHead,\n taskTail,\n clockLast = 0,\n clockNow = 0,\n clockSkew = 0,\n clock = typeof performance === \"object\" && performance.now ? performance : Date,\n setFrame = typeof window === \"object\" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); };\n\nfunction now() {\n return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew);\n}\n\nfunction clearNow() {\n clockNow = 0;\n}\n\nfunction Timer() {\n this._call =\n this._time =\n this._next = null;\n}\n\nTimer.prototype = timer.prototype = {\n constructor: Timer,\n restart: function(callback, delay, time) {\n if (typeof callback !== \"function\") throw new TypeError(\"callback is not a function\");\n time = (time == null ? now() : +time) + (delay == null ? 0 : +delay);\n if (!this._next && taskTail !== this) {\n if (taskTail) taskTail._next = this;\n else taskHead = this;\n taskTail = this;\n }\n this._call = callback;\n this._time = time;\n sleep();\n },\n stop: function() {\n if (this._call) {\n this._call = null;\n this._time = Infinity;\n sleep();\n }\n }\n};\n\nfunction timer(callback, delay, time) {\n var t = new Timer;\n t.restart(callback, delay, time);\n return t;\n}\n\nfunction timerFlush() {\n now(); // Get the current time, if not already set.\n ++frame; // Pretend we’ve set an alarm, if we haven’t already.\n var t = taskHead, e;\n while (t) {\n if ((e = clockNow - t._time) >= 0) t._call.call(null, e);\n t = t._next;\n }\n --frame;\n}\n\nfunction wake() {\n clockNow = (clockLast = clock.now()) + clockSkew;\n frame = timeout = 0;\n try {\n timerFlush();\n } finally {\n frame = 0;\n nap();\n clockNow = 0;\n }\n}\n\nfunction poke() {\n var now = clock.now(), delay = now - clockLast;\n if (delay > pokeDelay) clockSkew -= delay, clockLast = now;\n}\n\nfunction nap() {\n var t0, t1 = taskHead, t2, time = Infinity;\n while (t1) {\n if (t1._call) {\n if (time > t1._time) time = t1._time;\n t0 = t1, t1 = t1._next;\n } else {\n t2 = t1._next, t1._next = null;\n t1 = t0 ? t0._next = t2 : taskHead = t2;\n }\n }\n taskTail = t0;\n sleep(time);\n}\n\nfunction sleep(time) {\n if (frame) return; // Soonest alarm already set, or will be.\n if (timeout) timeout = clearTimeout(timeout);\n var delay = time - clockNow; // Strictly less than if we recomputed clockNow.\n if (delay > 24) {\n if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew);\n if (interval) interval = clearInterval(interval);\n } else {\n if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay);\n frame = 1, setFrame(wake);\n }\n}\n\n\n/***/ }),\n/* 98 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar __WEBPACK_AMD_DEFINE_RESULT__;/*!\n * EventEmitter v5.1.0 - git.io/ee\n * Unlicense - http://unlicense.org/\n * Oliver Caldwell - http://oli.me.uk/\n * @preserve\n */\n\n;(function (exports) {\n 'use strict';\n\n /**\n * Class for managing events.\n * Can be extended to provide event functionality in other classes.\n *\n * @class EventEmitter Manages event registering and emitting.\n */\n function EventEmitter() {}\n\n // Shortcuts to improve speed and size\n var proto = EventEmitter.prototype;\n var originalGlobalValue = exports.EventEmitter;\n\n /**\n * Finds the index of the listener for the event in its storage array.\n *\n * @param {Function[]} listeners Array of listeners to search through.\n * @param {Function} listener Method to look for.\n * @return {Number} Index of the specified listener, -1 if not found\n * @api private\n */\n function indexOfListener(listeners, listener) {\n var i = listeners.length;\n while (i--) {\n if (listeners[i].listener === listener) {\n return i;\n }\n }\n\n return -1;\n }\n\n /**\n * Alias a method while keeping the context correct, to allow for overwriting of target method.\n *\n * @param {String} name The name of the target method.\n * @return {Function} The aliased method\n * @api private\n */\n function alias(name) {\n return function aliasClosure() {\n return this[name].apply(this, arguments);\n };\n }\n\n /**\n * Returns the listener array for the specified event.\n * Will initialise the event object and listener arrays if required.\n * Will return an object if you use a regex search. The object contains keys for each matched event. So /ba[rz]/ might return an object containing bar and baz. But only if you have either defined them with defineEvent or added some listeners to them.\n * Each property in the object response is an array of listener functions.\n *\n * @param {String|RegExp} evt Name of the event to return the listeners from.\n * @return {Function[]|Object} All listener functions for the event.\n */\n proto.getListeners = function getListeners(evt) {\n var events = this._getEvents();\n var response;\n var key;\n\n // Return a concatenated array of all matching events if\n // the selector is a regular expression.\n if (evt instanceof RegExp) {\n response = {};\n for (key in events) {\n if (events.hasOwnProperty(key) && evt.test(key)) {\n response[key] = events[key];\n }\n }\n }\n else {\n response = events[evt] || (events[evt] = []);\n }\n\n return response;\n };\n\n /**\n * Takes a list of listener objects and flattens it into a list of listener functions.\n *\n * @param {Object[]} listeners Raw listener objects.\n * @return {Function[]} Just the listener functions.\n */\n proto.flattenListeners = function flattenListeners(listeners) {\n var flatListeners = [];\n var i;\n\n for (i = 0; i < listeners.length; i += 1) {\n flatListeners.push(listeners[i].listener);\n }\n\n return flatListeners;\n };\n\n /**\n * Fetches the requested listeners via getListeners but will always return the results inside an object. This is mainly for internal use but others may find it useful.\n *\n * @param {String|RegExp} evt Name of the event to return the listeners from.\n * @return {Object} All listener functions for an event in an object.\n */\n proto.getListenersAsObject = function getListenersAsObject(evt) {\n var listeners = this.getListeners(evt);\n var response;\n\n if (listeners instanceof Array) {\n response = {};\n response[evt] = listeners;\n }\n\n return response || listeners;\n };\n\n function isValidListener (listener) {\n if (typeof listener === 'function' || listener instanceof RegExp) {\n return true\n } else if (listener && typeof listener === 'object') {\n return isValidListener(listener.listener)\n } else {\n return false\n }\n }\n\n /**\n * Adds a listener function to the specified event.\n * The listener will not be added if it is a duplicate.\n * If the listener returns true then it will be removed after it is called.\n * If you pass a regular expression as the event name then the listener will be added to all events that match it.\n *\n * @param {String|RegExp} evt Name of the event to attach the listener to.\n * @param {Function} listener Method to be called when the event is emitted. If the function returns true then it will be removed after calling.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.addListener = function addListener(evt, listener) {\n if (!isValidListener(listener)) {\n throw new TypeError('listener must be a function');\n }\n\n var listeners = this.getListenersAsObject(evt);\n var listenerIsWrapped = typeof listener === 'object';\n var key;\n\n for (key in listeners) {\n if (listeners.hasOwnProperty(key) && indexOfListener(listeners[key], listener) === -1) {\n listeners[key].push(listenerIsWrapped ? listener : {\n listener: listener,\n once: false\n });\n }\n }\n\n return this;\n };\n\n /**\n * Alias of addListener\n */\n proto.on = alias('addListener');\n\n /**\n * Semi-alias of addListener. It will add a listener that will be\n * automatically removed after its first execution.\n *\n * @param {String|RegExp} evt Name of the event to attach the listener to.\n * @param {Function} listener Method to be called when the event is emitted. If the function returns true then it will be removed after calling.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.addOnceListener = function addOnceListener(evt, listener) {\n return this.addListener(evt, {\n listener: listener,\n once: true\n });\n };\n\n /**\n * Alias of addOnceListener.\n */\n proto.once = alias('addOnceListener');\n\n /**\n * Defines an event name. This is required if you want to use a regex to add a listener to multiple events at once. If you don't do this then how do you expect it to know what event to add to? Should it just add to every possible match for a regex? No. That is scary and bad.\n * You need to tell it what event names should be matched by a regex.\n *\n * @param {String} evt Name of the event to create.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.defineEvent = function defineEvent(evt) {\n this.getListeners(evt);\n return this;\n };\n\n /**\n * Uses defineEvent to define multiple events.\n *\n * @param {String[]} evts An array of event names to define.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.defineEvents = function defineEvents(evts) {\n for (var i = 0; i < evts.length; i += 1) {\n this.defineEvent(evts[i]);\n }\n return this;\n };\n\n /**\n * Removes a listener function from the specified event.\n * When passed a regular expression as the event name, it will remove the listener from all events that match it.\n *\n * @param {String|RegExp} evt Name of the event to remove the listener from.\n * @param {Function} listener Method to remove from the event.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.removeListener = function removeListener(evt, listener) {\n var listeners = this.getListenersAsObject(evt);\n var index;\n var key;\n\n for (key in listeners) {\n if (listeners.hasOwnProperty(key)) {\n index = indexOfListener(listeners[key], listener);\n\n if (index !== -1) {\n listeners[key].splice(index, 1);\n }\n }\n }\n\n return this;\n };\n\n /**\n * Alias of removeListener\n */\n proto.off = alias('removeListener');\n\n /**\n * Adds listeners in bulk using the manipulateListeners method.\n * If you pass an object as the second argument you can add to multiple events at once. The object should contain key value pairs of events and listeners or listener arrays. You can also pass it an event name and an array of listeners to be added.\n * You can also pass it a regular expression to add the array of listeners to all events that match it.\n * Yeah, this function does quite a bit. That's probably a bad thing.\n *\n * @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to add to multiple events at once.\n * @param {Function[]} [listeners] An optional array of listener functions to add.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.addListeners = function addListeners(evt, listeners) {\n // Pass through to manipulateListeners\n return this.manipulateListeners(false, evt, listeners);\n };\n\n /**\n * Removes listeners in bulk using the manipulateListeners method.\n * If you pass an object as the second argument you can remove from multiple events at once. The object should contain key value pairs of events and listeners or listener arrays.\n * You can also pass it an event name and an array of listeners to be removed.\n * You can also pass it a regular expression to remove the listeners from all events that match it.\n *\n * @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to remove from multiple events at once.\n * @param {Function[]} [listeners] An optional array of listener functions to remove.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.removeListeners = function removeListeners(evt, listeners) {\n // Pass through to manipulateListeners\n return this.manipulateListeners(true, evt, listeners);\n };\n\n /**\n * Edits listeners in bulk. The addListeners and removeListeners methods both use this to do their job. You should really use those instead, this is a little lower level.\n * The first argument will determine if the listeners are removed (true) or added (false).\n * If you pass an object as the second argument you can add/remove from multiple events at once. The object should contain key value pairs of events and listeners or listener arrays.\n * You can also pass it an event name and an array of listeners to be added/removed.\n * You can also pass it a regular expression to manipulate the listeners of all events that match it.\n *\n * @param {Boolean} remove True if you want to remove listeners, false if you want to add.\n * @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to add/remove from multiple events at once.\n * @param {Function[]} [listeners] An optional array of listener functions to add/remove.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.manipulateListeners = function manipulateListeners(remove, evt, listeners) {\n var i;\n var value;\n var single = remove ? this.removeListener : this.addListener;\n var multiple = remove ? this.removeListeners : this.addListeners;\n\n // If evt is an object then pass each of its properties to this method\n if (typeof evt === 'object' && !(evt instanceof RegExp)) {\n for (i in evt) {\n if (evt.hasOwnProperty(i) && (value = evt[i])) {\n // Pass the single listener straight through to the singular method\n if (typeof value === 'function') {\n single.call(this, i, value);\n }\n else {\n // Otherwise pass back to the multiple function\n multiple.call(this, i, value);\n }\n }\n }\n }\n else {\n // So evt must be a string\n // And listeners must be an array of listeners\n // Loop over it and pass each one to the multiple method\n i = listeners.length;\n while (i--) {\n single.call(this, evt, listeners[i]);\n }\n }\n\n return this;\n };\n\n /**\n * Removes all listeners from a specified event.\n * If you do not specify an event then all listeners will be removed.\n * That means every event will be emptied.\n * You can also pass a regex to remove all events that match it.\n *\n * @param {String|RegExp} [evt] Optional name of the event to remove all listeners for. Will remove from every event if not passed.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.removeEvent = function removeEvent(evt) {\n var type = typeof evt;\n var events = this._getEvents();\n var key;\n\n // Remove different things depending on the state of evt\n if (type === 'string') {\n // Remove all listeners for the specified event\n delete events[evt];\n }\n else if (evt instanceof RegExp) {\n // Remove all events matching the regex.\n for (key in events) {\n if (events.hasOwnProperty(key) && evt.test(key)) {\n delete events[key];\n }\n }\n }\n else {\n // Remove all listeners in all events\n delete this._events;\n }\n\n return this;\n };\n\n /**\n * Alias of removeEvent.\n *\n * Added to mirror the node API.\n */\n proto.removeAllListeners = alias('removeEvent');\n\n /**\n * Emits an event of your choice.\n * When emitted, every listener attached to that event will be executed.\n * If you pass the optional argument array then those arguments will be passed to every listener upon execution.\n * Because it uses `apply`, your array of arguments will be passed as if you wrote them out separately.\n * So they will not arrive within the array on the other side, they will be separate.\n * You can also pass a regular expression to emit to all events that match it.\n *\n * @param {String|RegExp} evt Name of the event to emit and execute listeners for.\n * @param {Array} [args] Optional array of arguments to be passed to each listener.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.emitEvent = function emitEvent(evt, args) {\n var listenersMap = this.getListenersAsObject(evt);\n var listeners;\n var listener;\n var i;\n var key;\n var response;\n\n for (key in listenersMap) {\n if (listenersMap.hasOwnProperty(key)) {\n listeners = listenersMap[key].slice(0);\n\n for (i = 0; i < listeners.length; i++) {\n // If the listener returns true then it shall be removed from the event\n // The function is executed either with a basic call or an apply if there is an args array\n listener = listeners[i];\n\n if (listener.once === true) {\n this.removeListener(evt, listener.listener);\n }\n\n response = listener.listener.apply(this, args || []);\n\n if (response === this._getOnceReturnValue()) {\n this.removeListener(evt, listener.listener);\n }\n }\n }\n }\n\n return this;\n };\n\n /**\n * Alias of emitEvent\n */\n proto.trigger = alias('emitEvent');\n\n /**\n * Subtly different from emitEvent in that it will pass its arguments on to the listeners, as opposed to taking a single array of arguments to pass on.\n * As with emitEvent, you can pass a regex in place of the event name to emit to all events that match it.\n *\n * @param {String|RegExp} evt Name of the event to emit and execute listeners for.\n * @param {...*} Optional additional arguments to be passed to each listener.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.emit = function emit(evt) {\n var args = Array.prototype.slice.call(arguments, 1);\n return this.emitEvent(evt, args);\n };\n\n /**\n * Sets the current value to check against when executing listeners. If a\n * listeners return value matches the one set here then it will be removed\n * after execution. This value defaults to true.\n *\n * @param {*} value The new value to check for when executing listeners.\n * @return {Object} Current instance of EventEmitter for chaining.\n */\n proto.setOnceReturnValue = function setOnceReturnValue(value) {\n this._onceReturnValue = value;\n return this;\n };\n\n /**\n * Fetches the current value to check against when executing listeners. If\n * the listeners return value matches this one then it should be removed\n * automatically. It will return true by default.\n *\n * @return {*|Boolean} The current value to check for or the default, true.\n * @api private\n */\n proto._getOnceReturnValue = function _getOnceReturnValue() {\n if (this.hasOwnProperty('_onceReturnValue')) {\n return this._onceReturnValue;\n }\n else {\n return true;\n }\n };\n\n /**\n * Fetches the events object and creates one if required.\n *\n * @return {Object} The events storage object.\n * @api private\n */\n proto._getEvents = function _getEvents() {\n return this._events || (this._events = {});\n };\n\n /**\n * Reverts the global {@link EventEmitter} to its previous value and returns a reference to this version.\n *\n * @return {Function} Non conflicting EventEmitter class.\n */\n EventEmitter.noConflict = function noConflict() {\n exports.EventEmitter = originalGlobalValue;\n return EventEmitter;\n };\n\n // Expose the class either via AMD, CommonJS or the global object\n if (true) {\n !(__WEBPACK_AMD_DEFINE_RESULT__ = function () {\n return EventEmitter;\n }.call(exports, __webpack_require__, exports, module),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n }\n else if (typeof module === 'object' && module.exports){\n module.exports = EventEmitter;\n }\n else {\n exports.EventEmitter = EventEmitter;\n }\n}(this || {}));\n\n\n/***/ }),\n/* 99 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar DEFAULT_Y = 0; // 默认的y的值\n\nvar each = __webpack_require__(2);\n\nvar ArrayUtil = {\n values: __webpack_require__(73)\n};\nmodule.exports = {\n /**\n * 对应的维度是否可以调整\n * @protected\n * @param {String} dimName 可以调整的维度 x,y\n * @return {Boolean} 是否可以调整\n */\n isAdjust: function isAdjust(dimName) {\n return this.adjustNames.indexOf(dimName) >= 0;\n },\n\n /**\n * @protected\n * 获取可调整度量对应的值\n * @param {Frame} mergeData 数据\n * @return {Object} 值的映射\n */\n _getDimValues: function _getDimValues(mergeData) {\n var self = this;\n var valuesMap = {};\n var dims = [];\n\n if (self.xField && self.isAdjust('x')) {\n dims.push(self.xField);\n }\n\n if (self.yField && self.isAdjust('y')) {\n dims.push(self.yField);\n }\n\n each(dims, function (dim) {\n var values = ArrayUtil.values(mergeData, dim);\n values.sort(function (v1, v2) {\n return v1 - v2;\n });\n valuesMap[dim] = values;\n });\n\n if (!self.yField && self.isAdjust('y')) {\n // 只有一维的情况下,同时调整y\n var dim = 'y';\n var values = [DEFAULT_Y, 1]; // 默认分布在y轴的 0.1 与 0.2 之间\n\n valuesMap[dim] = values;\n }\n\n return valuesMap;\n },\n adjustData: function adjustData(dataArray, mergeData) {\n var self = this;\n\n var valuesMap = self._getDimValues(mergeData);\n\n each(dataArray, function (data, index) {\n // 遍历所有数据集合\n each(valuesMap, function (values, dim) {\n // 根据不同的度量分别调整位置\n self.adjustDim(dim, values, data, dataArray.length, index);\n });\n });\n },\n getAdjustRange: function getAdjustRange(dim, key, values) {\n var self = this;\n var index = values.indexOf(key);\n var length = values.length;\n var pre;\n var next;\n\n if (!self.yField && self.isAdjust('y')) {\n pre = 0;\n next = 1;\n } else if (length > 1) {\n pre = index === 0 ? values[0] : values[index - 1];\n next = index === length - 1 ? values[length - 1] : values[index + 1];\n\n if (index !== 0) {\n pre += (key - pre) / 2;\n } else {\n pre -= (next - key) / 2;\n }\n\n if (index !== length - 1) {\n next -= (next - key) / 2;\n } else {\n next += (key - values[length - 2]) / 2;\n }\n } else {\n pre = key === 0 ? 0 : key - 0.5;\n next = key === 0 ? 1 : key + 0.5;\n }\n\n return {\n pre: pre,\n next: next\n };\n },\n\n /**\n * 对数据进行分组\n * @param {Array} data 数据\n * @param {String} dim 分组的字段\n * @return {Object} 分组的键值对映射\n */\n groupData: function groupData(data, dim) {\n var groups = {};\n each(data, function (record) {\n var value = record[dim];\n\n if (value === undefined) {\n value = record[dim] = DEFAULT_Y;\n }\n\n if (!groups[value]) {\n groups[value] = [];\n }\n\n groups[value].push(record);\n });\n return groups;\n }\n};\n\n/***/ }),\n/* 100 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/**\n * @fileOverview 颜色计算的辅助方法\n * @author dxq613@gmail.com\n */\nvar isNumber = __webpack_require__(11);\n\nvar isString = __webpack_require__(14);\n\nvar each = __webpack_require__(2); // const RGB_REG = /rgb\\((\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*\\)/;\n\n\nvar RGB_REG = /rgba?\\(([\\s.,0-9]+)\\)/; // 创建辅助 tag 取颜色\n\nfunction createTmp() {\n var i = document.createElement('i');\n i.title = 'Web Colour Picker';\n i.style.display = 'none';\n document.body.appendChild(i);\n return i;\n} // 获取颜色之间的插值\n\n\nfunction getValue(start, end, percent, index) {\n var value = start[index] + (end[index] - start[index]) * percent;\n return value;\n} // 数组转换成颜色\n\n\nfunction arr2rgb(arr) {\n return '#' + toHex(arr[0]) + toHex(arr[1]) + toHex(arr[2]);\n} // 将数值从 0-255 转换成16进制字符串\n\n\nfunction toHex(value) {\n value = Math.round(value);\n value = value.toString(16);\n\n if (value.length === 1) {\n value = '0' + value;\n }\n\n return value;\n}\n\nfunction calColor(colors, percent) {\n if (isNaN(percent) || !isNumber(percent) || percent < 0) {\n percent = 0;\n }\n\n if (percent > 1) {\n percent = 1;\n }\n\n var steps = colors.length - 1;\n var step = Math.floor(steps * percent);\n var left = steps * percent - step;\n var start = colors[step];\n var end = step === steps ? start : colors[step + 1];\n var rgb = arr2rgb([getValue(start, end, left, 0), getValue(start, end, left, 1), getValue(start, end, left, 2)]);\n return rgb;\n} // rgb 颜色转换成数组\n\n\nfunction rgb2arr(str) {\n var arr = [];\n arr.push(parseInt(str.substr(1, 2), 16));\n arr.push(parseInt(str.substr(3, 2), 16));\n arr.push(parseInt(str.substr(5, 2), 16));\n return arr;\n}\n\nvar colorCache = {};\nvar iEl = null;\nvar ColorUtil = {\n /**\n * 将颜色转换到 rgb 的格式\n * @param {String} color 颜色\n * @return {String} 将颜色转换到 '#ffffff' 的格式\n */\n toRGB: function toRGB(color) {\n // 如果已经是 rgb的格式\n if (color[0] === '#' && color.length === 7) {\n return color;\n }\n\n if (!iEl) {\n // 防止防止在页头报错\n iEl = createTmp();\n }\n\n var rst;\n\n if (colorCache[color]) {\n rst = colorCache[color];\n } else {\n iEl.style.color = color;\n rst = document.defaultView.getComputedStyle(iEl, '').getPropertyValue('color');\n var matchs = RGB_REG.exec(rst);\n var cArray = matchs[1].split(/\\s*,\\s*/);\n rst = arr2rgb(cArray);\n colorCache[color] = rst;\n }\n\n return rst;\n },\n rgb2arr: rgb2arr,\n\n /**\n * 获取渐变函数\n * @param {Array} colors 多个颜色\n * @return {String} 颜色值\n */\n gradient: function gradient(colors) {\n var points = [];\n\n if (isString(colors)) {\n colors = colors.split('-');\n }\n\n each(colors, function (color) {\n if (color.indexOf('#') === -1) {\n color = ColorUtil.toRGB(color);\n }\n\n points.push(rgb2arr(color));\n });\n return function (percent) {\n return calColor(points, percent);\n };\n }\n};\nmodule.exports = ColorUtil;\n\n/***/ }),\n/* 101 */\n/***/ (function(module, exports, __webpack_require__) {\n\nfunction _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }\n\nvar _require = __webpack_require__(35),\n Group = _require.Group;\n\nvar Util = __webpack_require__(3);\n\nvar Grid =\n/*#__PURE__*/\nfunction (_Group) {\n _inheritsLoose(Grid, _Group);\n\n function Grid() {\n return _Group.apply(this, arguments) || this;\n }\n\n var _proto = Grid.prototype;\n\n _proto.getDefaultCfg = function getDefaultCfg() {\n // const cfg = super.getDefaultCfg();\n return {\n zIndex: 1,\n\n /**\n * 栅格线的类型\n * - line 不封闭的线\n * - polygon 封闭的多边形\n * @type {String}\n */\n type: 'line',\n\n /**\n * 线的样式配置\n * @type {Object}\n */\n lineStyle: null,\n\n /**\n * 线集合的配置\n * @type {Array}\n */\n items: null,\n\n /**\n * 为网格设置交替的背景色,指定一个值则先渲染奇数层,两个值则交替渲染\n * @type {String | Array}\n */\n alternateColor: null,\n matrix: null,\n\n /**\n * 是否隐藏第一条网格线,默认为 false\n * @type {Boolean}\n */\n hideFirstLine: false,\n\n /**\n * 是否隐藏最后一条网格线,默认为 false\n * @type {Boolean}\n */\n hideLastLine: false,\n\n /**\n * 0基线不在轴线上时,是否强调0基线\n * @type {Boolean}\n */\n hightLightZero: false,\n\n /**\n * 0基线样式\n * @type {Object}\n */\n zeroLineStyle: {\n stroke: '#595959',\n lineDash: [0, 0]\n }\n };\n };\n\n _proto._renderUI = function _renderUI() {\n _Group.prototype._renderUI.call(this);\n\n this._drawLines();\n };\n\n _proto._drawLines = function _drawLines() {\n var self = this;\n var lineStyle = self.get('lineStyle');\n var items = self.get('items');\n\n if (items && items.length) {\n self._precessItems(items);\n\n self._drawGridLines(items, lineStyle);\n }\n };\n\n _proto._precessItems = function _precessItems(items) {\n var self = this;\n var preItem;\n Util.each(items, function (item, index) {\n if (preItem && self.get('alternateColor')) {\n self._drawAlternativeBg(item, preItem, index);\n }\n\n preItem = item;\n });\n };\n\n _proto._drawGridLines = function _drawGridLines(items, lineStyle) {\n var self = this;\n var type = this.get('type');\n var gridLine;\n var path;\n var cfg;\n var points;\n var itemsLength = items.length;\n\n if (type === 'line' || type === 'polygon') {\n Util.each(items, function (item, idx) {\n if (self.get('hideFirstLine') && idx === 0) {\n // 不展示第一条网格线\n return;\n }\n\n if (self.get('hideLastLine') && idx === itemsLength - 1) {\n // 不展示最后一条网格线\n return;\n }\n\n points = item.points;\n path = [];\n\n if (type === 'line') {\n path.push(['M', points[0].x, points[0].y]);\n path.push(['L', points[points.length - 1].x, points[points.length - 1].y]);\n } else {\n Util.each(points, function (point, index) {\n if (index === 0) {\n path.push(['M', point.x, point.y]);\n } else {\n path.push(['L', point.x, point.y]);\n }\n });\n }\n\n if (self._drawZeroLine(type, idx)) {\n cfg = Util.mix({}, self.get('zeroLineStyle'), {\n path: path\n });\n } else {\n cfg = Util.mix({}, lineStyle, {\n path: path\n });\n }\n\n gridLine = self.addShape('path', {\n attrs: cfg\n });\n gridLine.name = 'axis-grid';\n gridLine._id = item._id;\n gridLine.set('coord', self.get('coord'));\n self.get('appendInfo') && gridLine.setSilent('appendInfo', self.get('appendInfo'));\n });\n } else {\n Util.each(items, function (item, idx) {\n if (self.get('hideFirstLine') && idx === 0) {\n // 不展示第一条网格线\n return;\n }\n\n if (self.get('hideLastLine') && idx === itemsLength - 1) {\n // 不展示最后一条网格线\n return;\n }\n\n points = item.points;\n path = [];\n Util.each(points, function (point, index) {\n var radius = point.radius;\n\n if (index === 0) {\n path.push(['M', point.x, point.y]);\n } else {\n path.push(['A', radius, radius, 0, 0, point.flag, point.x, point.y]);\n }\n });\n cfg = Util.mix({}, lineStyle, {\n path: path\n });\n gridLine = self.addShape('path', {\n attrs: cfg\n });\n gridLine.name = 'axis-grid';\n gridLine._id = item._id;\n gridLine.set('coord', self.get('coord'));\n self.get('appendInfo') && gridLine.setSilent('appendInfo', self.get('appendInfo'));\n });\n }\n };\n\n _proto._drawZeroLine = function _drawZeroLine(type, idx) {\n var self = this;\n var tickValues = self.get('tickValues');\n\n if (type === 'line' && tickValues) {\n if (tickValues[idx] === 0 && self.get('hightLightZero')) {\n return true;\n }\n }\n\n return false;\n };\n\n _proto._drawAlternativeBg = function _drawAlternativeBg(item, preItem, index) {\n var self = this;\n var alternateColor = self.get('alternateColor');\n var attrs;\n var oddColor;\n var evenColor;\n\n if (Util.isString(alternateColor)) {\n oddColor = alternateColor;\n } else if (Util.isArray(alternateColor)) {\n oddColor = alternateColor[0];\n evenColor = alternateColor[1];\n }\n\n if (index % 2 === 0) {\n if (evenColor) {\n attrs = self._getBackItem(preItem.points, item.points, evenColor);\n }\n } else if (oddColor) {\n attrs = self._getBackItem(preItem.points, item.points, oddColor);\n }\n\n var shape = self.addShape('Path', {\n attrs: attrs\n });\n shape.name = 'axis-grid-rect';\n shape._id = item._id && item._id.replace('grid', 'grid-rect');\n shape.set('coord', self.get('coord'));\n self.get('appendInfo') && shape.setSilent('appendInfo', self.get('appendInfo'));\n };\n\n _proto._getBackItem = function _getBackItem(start, end, bgColor) {\n var path = [];\n var type = this.get('type');\n\n if (type === 'line') {\n path.push(['M', start[0].x, start[0].y]);\n path.push(['L', start[start.length - 1].x, start[start.length - 1].y]);\n path.push(['L', end[end.length - 1].x, end[end.length - 1].y]);\n path.push(['L', end[0].x, end[0].y]);\n path.push(['Z']);\n } else if (type === 'polygon') {\n Util.each(start, function (subItem, index) {\n if (index === 0) {\n path.push(['M', subItem.x, subItem.y]);\n } else {\n path.push(['L', subItem.x, subItem.y]);\n }\n });\n\n for (var i = end.length - 1; i >= 0; i--) {\n path.push(['L', end[i].x, end[i].y]);\n }\n\n path.push(['Z']);\n } else {\n var flag = start[0].flag;\n Util.each(start, function (subItem, index) {\n var radius = subItem.radius;\n\n if (index === 0) {\n path.push(['M', subItem.x, subItem.y]);\n } else {\n path.push(['A', radius, radius, 0, 0, subItem.flag, subItem.x, subItem.y]);\n }\n });\n\n for (var j = end.length - 1; j >= 0; j--) {\n var endSubItem = end[j];\n var endRadius = endSubItem.radius;\n\n if (j === end.length - 1) {\n path.push(['M', endSubItem.x, endSubItem.y]);\n } else {\n path.push(['A', endRadius, endRadius, 0, 0, flag === 1 ? 0 : 1, endSubItem.x, endSubItem.y]);\n }\n }\n }\n\n return {\n fill: bgColor,\n path: path\n };\n };\n\n return Grid;\n}(Group);\n\nmodule.exports = Grid;\n\n/***/ }),\n/* 102 */\n/***/ (function(module, exports, __webpack_require__) {\n\nvar Util = __webpack_require__(3);\n\nmodule.exports = {\n getFirstScale: function getFirstScale(scales) {\n var firstScale;\n Util.each(scales, function (scale) {\n if (scale) {\n firstScale = scale;\n return false;\n }\n });\n return firstScale;\n }\n};\n\n/***/ }),\n/* 103 */\n/***/ (function(module, exports, __webpack_require__) {\n\nfunction _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }\n\nvar Util = __webpack_require__(3);\n\nvar DomUtil = Util.DomUtil;\n\nvar Component = __webpack_require__(34);\n\nvar positionAdjust = __webpack_require__(247);\n\nvar spirialAdjust = __webpack_require__(248);\n\nvar bboxAdjust = __webpack_require__(246);\n\nvar LAYOUTS = {\n scatter: positionAdjust,\n map: spirialAdjust,\n treemap: bboxAdjust\n};\n\nvar Label =\n/*#__PURE__*/\nfunction (_Component) {\n _inheritsLoose(Label, _Component);\n\n function Label() {\n return _Component.apply(this, arguments) || this;\n }\n\n var _proto = Label.prototype;\n\n _proto.getDefaultCfg = function getDefaultCfg() {\n var cfg = _Component.prototype.getDefaultCfg.call(this);\n\n return Util.mix({}, cfg, {\n name: 'label',\n\n /**\n * label类型\n * @type {(String)}\n */\n type: 'default',\n\n /**\n * 默认文本样式\n * @type {Array}\n */\n textStyle: null,\n\n /**\n * 文本显示格式化回调函数\n * @type {Function}\n */\n formatter: null,\n\n /**\n * 显示的文本集合\n * @type {Array}\n */\n items: null,\n\n /**\n * 是否使用html渲染label\n * @type {String}\n */\n useHtml: false,\n\n /**\n * html 渲染时用的容器的模板,必须存在 class = \"g-labels\"\n * @type {String}\n */\n containerTpl: '',\n\n /**\n * html 渲染时单个 label 的模板,必须存在 class = \"g-label\"\n * @type {String}\n */\n itemTpl: '1
' + ' ' + '' + '' + func(text) + '
';\n * });\n *\n * p('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles
'\n */\n function wrap(value, wrapper) {\n return partial(castFunction(wrapper), value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Casts `value` as an array if it's not one.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Lang\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast array.\n * @example\n *\n * _.castArray(1);\n * // => [1]\n *\n * _.castArray({ 'a': 1 });\n * // => [{ 'a': 1 }]\n *\n * _.castArray('abc');\n * // => ['abc']\n *\n * _.castArray(null);\n * // => [null]\n *\n * _.castArray(undefined);\n * // => [undefined]\n *\n * _.castArray();\n * // => []\n *\n * var array = [1, 2, 3];\n * console.log(_.castArray(array) === array);\n * // => true\n */\n function castArray() {\n if (!arguments.length) {\n return [];\n }\n var value = arguments[0];\n return isArray(value) ? value : [value];\n }\n\n /**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\n function clone(value) {\n return baseClone(value, CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.clone` except that it accepts `customizer` which\n * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n * cloning is handled by the method instead. The `customizer` is invoked with\n * up to four arguments; (value [, index|key, object, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeepWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(false);\n * }\n * }\n *\n * var el = _.cloneWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 0\n */\n function cloneWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\n function cloneDeep(value) {\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\n function cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * Checks if `object` conforms to `source` by invoking the predicate\n * properties of `source` with the corresponding property values of `object`.\n *\n * **Note:** This method is equivalent to `_.conforms` when `source` is\n * partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n * // => true\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n * // => false\n */\n function conformsTo(object, source) {\n return source == null || baseConformsTo(object, source, keys(source));\n }\n\n /**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\n function eq(value, other) {\n return value === other || (value !== value && other !== other);\n }\n\n /**\n * Checks if `value` is greater than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n * @see _.lt\n * @example\n *\n * _.gt(3, 1);\n * // => true\n *\n * _.gt(3, 3);\n * // => false\n *\n * _.gt(1, 3);\n * // => false\n */\n var gt = createRelationalOperation(baseGt);\n\n /**\n * Checks if `value` is greater than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than or equal to\n * `other`, else `false`.\n * @see _.lte\n * @example\n *\n * _.gte(3, 1);\n * // => true\n *\n * _.gte(3, 3);\n * // => true\n *\n * _.gte(1, 3);\n * // => false\n */\n var gte = createRelationalOperation(function(value, other) {\n return value >= other;\n });\n\n /**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\n var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n !propertyIsEnumerable.call(value, 'callee');\n };\n\n /**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\n var isArray = Array.isArray;\n\n /**\n * Checks if `value` is classified as an `ArrayBuffer` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n * @example\n *\n * _.isArrayBuffer(new ArrayBuffer(2));\n * // => true\n *\n * _.isArrayBuffer(new Array(2));\n * // => false\n */\n var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n /**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\n function isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n }\n\n /**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\n function isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n }\n\n /**\n * Checks if `value` is classified as a boolean primitive or object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n * @example\n *\n * _.isBoolean(false);\n * // => true\n *\n * _.isBoolean(null);\n * // => false\n */\n function isBoolean(value) {\n return value === true || value === false ||\n (isObjectLike(value) && baseGetTag(value) == boolTag);\n }\n\n /**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\n var isBuffer = nativeIsBuffer || stubFalse;\n\n /**\n * Checks if `value` is classified as a `Date` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n * @example\n *\n * _.isDate(new Date);\n * // => true\n *\n * _.isDate('Mon April 23 2012');\n * // => false\n */\n var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n /**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('');\n * // => false\n */\n function isElement(value) {\n return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n }\n\n /**\n * Checks if `value` is an empty object, collection, map, or set.\n *\n * Objects are considered empty if they have no own enumerable string keyed\n * properties.\n *\n * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n * jQuery-like collections are considered empty if they have a `length` of `0`.\n * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n * @example\n *\n * _.isEmpty(null);\n * // => true\n *\n * _.isEmpty(true);\n * // => true\n *\n * _.isEmpty(1);\n * // => true\n *\n * _.isEmpty([1, 2, 3]);\n * // => false\n *\n * _.isEmpty({ 'a': 1 });\n * // => false\n */\n function isEmpty(value) {\n if (value == null) {\n return true;\n }\n if (isArrayLike(value) &&\n (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n return !value.length;\n }\n var tag = getTag(value);\n if (tag == mapTag || tag == setTag) {\n return !value.size;\n }\n if (isPrototype(value)) {\n return !baseKeys(value).length;\n }\n for (var key in value) {\n if (hasOwnProperty.call(value, key)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\n function isEqual(value, other) {\n return baseIsEqual(value, other);\n }\n\n /**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n * if (isGreeting(objValue) && isGreeting(othValue)) {\n * return true;\n * }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\n function isEqualWith(value, other, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n var result = customizer ? customizer(value, other) : undefined;\n return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n }\n\n /**\n * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n * `SyntaxError`, `TypeError`, or `URIError` object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n * @example\n *\n * _.isError(new Error);\n * // => true\n *\n * _.isError(Error);\n * // => false\n */\n function isError(value) {\n if (!isObjectLike(value)) {\n return false;\n }\n var tag = baseGetTag(value);\n return tag == errorTag || tag == domExcTag ||\n (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n }\n\n /**\n * Checks if `value` is a finite primitive number.\n *\n * **Note:** This method is based on\n * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n * @example\n *\n * _.isFinite(3);\n * // => true\n *\n * _.isFinite(Number.MIN_VALUE);\n * // => true\n *\n * _.isFinite(Infinity);\n * // => false\n *\n * _.isFinite('3');\n * // => false\n */\n function isFinite(value) {\n return typeof value == 'number' && nativeIsFinite(value);\n }\n\n /**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\n function isFunction(value) {\n if (!isObject(value)) {\n return false;\n }\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n }\n\n /**\n * Checks if `value` is an integer.\n *\n * **Note:** This method is based on\n * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n * @example\n *\n * _.isInteger(3);\n * // => true\n *\n * _.isInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isInteger(Infinity);\n * // => false\n *\n * _.isInteger('3');\n * // => false\n */\n function isInteger(value) {\n return typeof value == 'number' && value == toInteger(value);\n }\n\n /**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\n function isLength(value) {\n return typeof value == 'number' &&\n value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\n function isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n }\n\n /**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\n function isObjectLike(value) {\n return value != null && typeof value == 'object';\n }\n\n /**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\n var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n /**\n * Performs a partial deep comparison between `object` and `source` to\n * determine if `object` contains equivalent property values.\n *\n * **Note:** This method is equivalent to `_.matches` when `source` is\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.isMatch(object, { 'b': 2 });\n * // => true\n *\n * _.isMatch(object, { 'b': 1 });\n * // => false\n */\n function isMatch(object, source) {\n return object === source || baseIsMatch(object, source, getMatchData(source));\n }\n\n /**\n * This method is like `_.isMatch` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with five\n * arguments: (objValue, srcValue, index|key, object, source).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, srcValue) {\n * if (isGreeting(objValue) && isGreeting(srcValue)) {\n * return true;\n * }\n * }\n *\n * var object = { 'greeting': 'hello' };\n * var source = { 'greeting': 'hi' };\n *\n * _.isMatchWith(object, source, customizer);\n * // => true\n */\n function isMatchWith(object, source, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseIsMatch(object, source, getMatchData(source), customizer);\n }\n\n /**\n * Checks if `value` is `NaN`.\n *\n * **Note:** This method is based on\n * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n * `undefined` and other non-number values.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n * @example\n *\n * _.isNaN(NaN);\n * // => true\n *\n * _.isNaN(new Number(NaN));\n * // => true\n *\n * isNaN(undefined);\n * // => true\n *\n * _.isNaN(undefined);\n * // => false\n */\n function isNaN(value) {\n // An `NaN` primitive is the only value that is not equal to itself.\n // Perform the `toStringTag` check first to avoid errors with some\n // ActiveX objects in IE.\n return isNumber(value) && value != +value;\n }\n\n /**\n * Checks if `value` is a pristine native function.\n *\n * **Note:** This method can't reliably detect native functions in the presence\n * of the core-js package because core-js circumvents this kind of detection.\n * Despite multiple requests, the core-js maintainer has made it clear: any\n * attempt to fix the detection will be obstructed. As a result, we're left\n * with little choice but to throw an error. Unfortunately, this also affects\n * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n * which rely on core-js.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\n function isNative(value) {\n if (isMaskable(value)) {\n throw new Error(CORE_ERROR_TEXT);\n }\n return baseIsNative(value);\n }\n\n /**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\n function isNull(value) {\n return value === null;\n }\n\n /**\n * Checks if `value` is `null` or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n * @example\n *\n * _.isNil(null);\n * // => true\n *\n * _.isNil(void 0);\n * // => true\n *\n * _.isNil(NaN);\n * // => false\n */\n function isNil(value) {\n return value == null;\n }\n\n /**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n * classified as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\n function isNumber(value) {\n return typeof value == 'number' ||\n (isObjectLike(value) && baseGetTag(value) == numberTag);\n }\n\n /**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\n function isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n var proto = getPrototype(value);\n if (proto === null) {\n return true;\n }\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n funcToString.call(Ctor) == objectCtorString;\n }\n\n /**\n * Checks if `value` is classified as a `RegExp` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n * @example\n *\n * _.isRegExp(/abc/);\n * // => true\n *\n * _.isRegExp('/abc/');\n * // => false\n */\n var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n /**\n * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n * double precision number which isn't the result of a rounded unsafe integer.\n *\n * **Note:** This method is based on\n * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n * @example\n *\n * _.isSafeInteger(3);\n * // => true\n *\n * _.isSafeInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isSafeInteger(Infinity);\n * // => false\n *\n * _.isSafeInteger('3');\n * // => false\n */\n function isSafeInteger(value) {\n return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\n var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n /**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\n function isString(value) {\n return typeof value == 'string' ||\n (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n }\n\n /**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\n function isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && baseGetTag(value) == symbolTag);\n }\n\n /**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\n var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n /**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\n function isUndefined(value) {\n return value === undefined;\n }\n\n /**\n * Checks if `value` is classified as a `WeakMap` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n * @example\n *\n * _.isWeakMap(new WeakMap);\n * // => true\n *\n * _.isWeakMap(new Map);\n * // => false\n */\n function isWeakMap(value) {\n return isObjectLike(value) && getTag(value) == weakMapTag;\n }\n\n /**\n * Checks if `value` is classified as a `WeakSet` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n * @example\n *\n * _.isWeakSet(new WeakSet);\n * // => true\n *\n * _.isWeakSet(new Set);\n * // => false\n */\n function isWeakSet(value) {\n return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n }\n\n /**\n * Checks if `value` is less than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n * @see _.gt\n * @example\n *\n * _.lt(1, 3);\n * // => true\n *\n * _.lt(3, 3);\n * // => false\n *\n * _.lt(3, 1);\n * // => false\n */\n var lt = createRelationalOperation(baseLt);\n\n /**\n * Checks if `value` is less than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than or equal to\n * `other`, else `false`.\n * @see _.gte\n * @example\n *\n * _.lte(1, 3);\n * // => true\n *\n * _.lte(3, 3);\n * // => true\n *\n * _.lte(3, 1);\n * // => false\n */\n var lte = createRelationalOperation(function(value, other) {\n return value <= other;\n });\n\n /**\n * Converts `value` to an array.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Array} Returns the converted array.\n * @example\n *\n * _.toArray({ 'a': 1, 'b': 2 });\n * // => [1, 2]\n *\n * _.toArray('abc');\n * // => ['a', 'b', 'c']\n *\n * _.toArray(1);\n * // => []\n *\n * _.toArray(null);\n * // => []\n */\n function toArray(value) {\n if (!value) {\n return [];\n }\n if (isArrayLike(value)) {\n return isString(value) ? stringToArray(value) : copyArray(value);\n }\n if (symIterator && value[symIterator]) {\n return iteratorToArray(value[symIterator]());\n }\n var tag = getTag(value),\n func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n return func(value);\n }\n\n /**\n * Converts `value` to a finite number.\n *\n * @static\n * @memberOf _\n * @since 4.12.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted number.\n * @example\n *\n * _.toFinite(3.2);\n * // => 3.2\n *\n * _.toFinite(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toFinite(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toFinite('3.2');\n * // => 3.2\n */\n function toFinite(value) {\n if (!value) {\n return value === 0 ? value : 0;\n }\n value = toNumber(value);\n if (value === INFINITY || value === -INFINITY) {\n var sign = (value < 0 ? -1 : 1);\n return sign * MAX_INTEGER;\n }\n return value === value ? value : 0;\n }\n\n /**\n * Converts `value` to an integer.\n *\n * **Note:** This method is loosely based on\n * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toInteger(3.2);\n * // => 3\n *\n * _.toInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toInteger(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toInteger('3.2');\n * // => 3\n */\n function toInteger(value) {\n var result = toFinite(value),\n remainder = result % 1;\n\n return result === result ? (remainder ? result - remainder : result) : 0;\n }\n\n /**\n * Converts `value` to an integer suitable for use as the length of an\n * array-like object.\n *\n * **Note:** This method is based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toLength(3.2);\n * // => 3\n *\n * _.toLength(Number.MIN_VALUE);\n * // => 0\n *\n * _.toLength(Infinity);\n * // => 4294967295\n *\n * _.toLength('3.2');\n * // => 3\n */\n function toLength(value) {\n return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n }\n\n /**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\n function toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? (other + '') : other;\n }\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n value = value.replace(reTrim, '');\n var isBinary = reIsBinary.test(value);\n return (isBinary || reIsOctal.test(value))\n ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n : (reIsBadHex.test(value) ? NAN : +value);\n }\n\n /**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\n function toPlainObject(value) {\n return copyObject(value, keysIn(value));\n }\n\n /**\n * Converts `value` to a safe integer. A safe integer can be compared and\n * represented correctly.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toSafeInteger(3.2);\n * // => 3\n *\n * _.toSafeInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toSafeInteger(Infinity);\n * // => 9007199254740991\n *\n * _.toSafeInteger('3.2');\n * // => 3\n */\n function toSafeInteger(value) {\n return value\n ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n : (value === 0 ? value : 0);\n }\n\n /**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\n function toString(value) {\n return value == null ? '' : baseToString(value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Assigns own enumerable string keyed properties of source objects to the\n * destination object. Source objects are applied from left to right.\n * Subsequent sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object` and is loosely based on\n * [`Object.assign`](https://mdn.io/Object/assign).\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assignIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assign({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'c': 3 }\n */\n var assign = createAssigner(function(object, source) {\n if (isPrototype(source) || isArrayLike(source)) {\n copyObject(source, keys(source), object);\n return;\n }\n for (var key in source) {\n if (hasOwnProperty.call(source, key)) {\n assignValue(object, key, source[key]);\n }\n }\n });\n\n /**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\n var assignIn = createAssigner(function(object, source) {\n copyObject(source, keysIn(source), object);\n });\n\n /**\n * This method is like `_.assignIn` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extendWith\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignInWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keysIn(source), object, customizer);\n });\n\n /**\n * This method is like `_.assign` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignInWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keys(source), object, customizer);\n });\n\n /**\n * Creates an array of values corresponding to `paths` of `object`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Array} Returns the picked values.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _.at(object, ['a[0].b.c', 'a[1]']);\n * // => [3, 4]\n */\n var at = flatRest(baseAt);\n\n /**\n * Creates an object that inherits from the `prototype` object. If a\n * `properties` object is given, its own enumerable string keyed properties\n * are assigned to the created object.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Object\n * @param {Object} prototype The object to inherit from.\n * @param {Object} [properties] The properties to assign to the object.\n * @returns {Object} Returns the new object.\n * @example\n *\n * function Shape() {\n * this.x = 0;\n * this.y = 0;\n * }\n *\n * function Circle() {\n * Shape.call(this);\n * }\n *\n * Circle.prototype = _.create(Shape.prototype, {\n * 'constructor': Circle\n * });\n *\n * var circle = new Circle;\n * circle instanceof Circle;\n * // => true\n *\n * circle instanceof Shape;\n * // => true\n */\n function create(prototype, properties) {\n var result = baseCreate(prototype);\n return properties == null ? result : baseAssign(result, properties);\n }\n\n /**\n * Assigns own and inherited enumerable string keyed properties of source\n * objects to the destination object for all destination properties that\n * resolve to `undefined`. Source objects are applied from left to right.\n * Once a property is set, additional values of the same property are ignored.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaultsDeep\n * @example\n *\n * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var defaults = baseRest(function(args) {\n args.push(undefined, customDefaultsAssignIn);\n return apply(assignInWith, undefined, args);\n });\n\n /**\n * This method is like `_.defaults` except that it recursively assigns\n * default properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaults\n * @example\n *\n * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n * // => { 'a': { 'b': 2, 'c': 3 } }\n */\n var defaultsDeep = baseRest(function(args) {\n args.push(undefined, customDefaultsMerge);\n return apply(mergeWith, undefined, args);\n });\n\n /**\n * This method is like `_.find` except that it returns the key of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findKey(users, function(o) { return o.age < 40; });\n * // => 'barney' (iteration order is not guaranteed)\n *\n * // The `_.matches` iteratee shorthand.\n * _.findKey(users, { 'age': 1, 'active': true });\n * // => 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findKey(users, 'active');\n * // => 'barney'\n */\n function findKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n }\n\n /**\n * This method is like `_.findKey` except that it iterates over elements of\n * a collection in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findLastKey(users, function(o) { return o.age < 40; });\n * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastKey(users, { 'age': 36, 'active': true });\n * // => 'barney'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastKey(users, 'active');\n * // => 'pebbles'\n */\n function findLastKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n }\n\n /**\n * Iterates over own and inherited enumerable string keyed properties of an\n * object and invokes `iteratee` for each property. The iteratee is invoked\n * with three arguments: (value, key, object). Iteratee functions may exit\n * iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forInRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forIn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n */\n function forIn(object, iteratee) {\n return object == null\n ? object\n : baseFor(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * This method is like `_.forIn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forInRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n */\n function forInRight(object, iteratee) {\n return object == null\n ? object\n : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * Iterates over own enumerable string keyed properties of an object and\n * invokes `iteratee` for each property. The iteratee is invoked with three\n * arguments: (value, key, object). Iteratee functions may exit iteration\n * early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwnRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forOwn(object, iteratee) {\n return object && baseForOwn(object, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forOwn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwnRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n */\n function forOwnRight(object, iteratee) {\n return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an array of function property names from own enumerable properties\n * of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functionsIn\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functions(new Foo);\n * // => ['a', 'b']\n */\n function functions(object) {\n return object == null ? [] : baseFunctions(object, keys(object));\n }\n\n /**\n * Creates an array of function property names from own and inherited\n * enumerable properties of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functions\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functionsIn(new Foo);\n * // => ['a', 'b', 'c']\n */\n function functionsIn(object) {\n return object == null ? [] : baseFunctions(object, keysIn(object));\n }\n\n /**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\n function get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n }\n\n /**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\n function has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n }\n\n /**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\n function hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n }\n\n /**\n * Creates an object composed of the inverted keys and values of `object`.\n * If `object` contains duplicate values, subsequent values overwrite\n * property assignments of previous values.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Object\n * @param {Object} object The object to invert.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invert(object);\n * // => { '1': 'c', '2': 'b' }\n */\n var invert = createInverter(function(result, value, key) {\n result[value] = key;\n }, constant(identity));\n\n /**\n * This method is like `_.invert` except that the inverted object is generated\n * from the results of running each element of `object` thru `iteratee`. The\n * corresponding inverted value of each inverted key is an array of keys\n * responsible for generating the inverted value. The iteratee is invoked\n * with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Object\n * @param {Object} object The object to invert.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invertBy(object);\n * // => { '1': ['a', 'c'], '2': ['b'] }\n *\n * _.invertBy(object, function(value) {\n * return 'group' + value;\n * });\n * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n */\n var invertBy = createInverter(function(result, value, key) {\n if (hasOwnProperty.call(result, value)) {\n result[value].push(key);\n } else {\n result[value] = [key];\n }\n }, getIteratee);\n\n /**\n * Invokes the method at `path` of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n *\n * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n * // => [2, 3]\n */\n var invoke = baseRest(baseInvoke);\n\n /**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\n function keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n }\n\n /**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\n function keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n }\n\n /**\n * The opposite of `_.mapValues`; this method creates an object with the\n * same values as `object` and keys generated by running each own enumerable\n * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n * with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapValues\n * @example\n *\n * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n * return key + value;\n * });\n * // => { 'a1': 1, 'b2': 2 }\n */\n function mapKeys(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, iteratee(value, key, object), value);\n });\n return result;\n }\n\n /**\n * Creates an object with the same keys as `object` and values generated\n * by running each own enumerable string keyed property of `object` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapKeys\n * @example\n *\n * var users = {\n * 'fred': { 'user': 'fred', 'age': 40 },\n * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n * };\n *\n * _.mapValues(users, function(o) { return o.age; });\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n *\n * // The `_.property` iteratee shorthand.\n * _.mapValues(users, 'age');\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n */\n function mapValues(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, key, iteratee(value, key, object));\n });\n return result;\n }\n\n /**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n * 'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n * 'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\n var merge = createAssigner(function(object, source, srcIndex) {\n baseMerge(object, source, srcIndex);\n });\n\n /**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\n var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n });\n\n /**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable property paths of `object` that are not omitted.\n *\n * **Note:** This method is considerably slower than `_.pick`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to omit.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omit(object, ['a', 'c']);\n * // => { 'b': '2' }\n */\n var omit = flatRest(function(object, paths) {\n var result = {};\n if (object == null) {\n return result;\n }\n var isDeep = false;\n paths = arrayMap(paths, function(path) {\n path = castPath(path, object);\n isDeep || (isDeep = path.length > 1);\n return path;\n });\n copyObject(object, getAllKeysIn(object), result);\n if (isDeep) {\n result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n }\n var length = paths.length;\n while (length--) {\n baseUnset(result, paths[length]);\n }\n return result;\n });\n\n /**\n * The opposite of `_.pickBy`; this method creates an object composed of\n * the own and inherited enumerable string keyed properties of `object` that\n * `predicate` doesn't return truthy for. The predicate is invoked with two\n * arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omitBy(object, _.isNumber);\n * // => { 'b': '2' }\n */\n function omitBy(object, predicate) {\n return pickBy(object, negate(getIteratee(predicate)));\n }\n\n /**\n * Creates an object composed of the picked `object` properties.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pick(object, ['a', 'c']);\n * // => { 'a': 1, 'c': 3 }\n */\n var pick = flatRest(function(object, paths) {\n return object == null ? {} : basePick(object, paths);\n });\n\n /**\n * Creates an object composed of the `object` properties `predicate` returns\n * truthy for. The predicate is invoked with two arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pickBy(object, _.isNumber);\n * // => { 'a': 1, 'c': 3 }\n */\n function pickBy(object, predicate) {\n if (object == null) {\n return {};\n }\n var props = arrayMap(getAllKeysIn(object), function(prop) {\n return [prop];\n });\n predicate = getIteratee(predicate);\n return basePickBy(object, props, function(value, path) {\n return predicate(value, path[0]);\n });\n }\n\n /**\n * This method is like `_.get` except that if the resolved value is a\n * function it's invoked with the `this` binding of its parent object and\n * its result is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to resolve.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n *\n * _.result(object, 'a[0].b.c1');\n * // => 3\n *\n * _.result(object, 'a[0].b.c2');\n * // => 4\n *\n * _.result(object, 'a[0].b.c3', 'default');\n * // => 'default'\n *\n * _.result(object, 'a[0].b.c3', _.constant('default'));\n * // => 'default'\n */\n function result(object, path, defaultValue) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length;\n\n // Ensure the loop is entered when path is empty.\n if (!length) {\n length = 1;\n object = undefined;\n }\n while (++index < length) {\n var value = object == null ? undefined : object[toKey(path[index])];\n if (value === undefined) {\n index = length;\n value = defaultValue;\n }\n object = isFunction(value) ? value.call(object) : value;\n }\n return object;\n }\n\n /**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\n function set(object, path, value) {\n return object == null ? object : baseSet(object, path, value);\n }\n\n /**\n * This method is like `_.set` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.setWith(object, '[0][1]', 'a', Object);\n * // => { '0': { '1': 'a' } }\n */\n function setWith(object, path, value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseSet(object, path, value, customizer);\n }\n\n /**\n * Creates an array of own enumerable string keyed-value pairs for `object`\n * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n * entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entries\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairs(new Foo);\n * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n */\n var toPairs = createToPairs(keys);\n\n /**\n * Creates an array of own and inherited enumerable string keyed-value pairs\n * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n * or set, its entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entriesIn\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairsIn(new Foo);\n * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n */\n var toPairsIn = createToPairs(keysIn);\n\n /**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own\n * enumerable string keyed properties thru `iteratee`, with each invocation\n * potentially mutating the `accumulator` object. If `accumulator` is not\n * provided, a new object with the same `[[Prototype]]` will be used. The\n * iteratee is invoked with four arguments: (accumulator, value, key, object).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * }, []);\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] }\n */\n function transform(object, iteratee, accumulator) {\n var isArr = isArray(object),\n isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n iteratee = getIteratee(iteratee, 4);\n if (accumulator == null) {\n var Ctor = object && object.constructor;\n if (isArrLike) {\n accumulator = isArr ? new Ctor : [];\n }\n else if (isObject(object)) {\n accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n }\n else {\n accumulator = {};\n }\n }\n (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n }\n\n /**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\n function unset(object, path) {\n return object == null ? true : baseUnset(object, path);\n }\n\n /**\n * This method is like `_.set` except that accepts `updater` to produce the\n * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n * is invoked with one argument: (value).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n * console.log(object.a[0].b.c);\n * // => 9\n *\n * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n * console.log(object.x[0].y.z);\n * // => 0\n */\n function update(object, path, updater) {\n return object == null ? object : baseUpdate(object, path, castFunction(updater));\n }\n\n /**\n * This method is like `_.update` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n * // => { '0': { '1': 'a' } }\n */\n function updateWith(object, path, updater, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n }\n\n /**\n * Creates an array of the own enumerable string keyed property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\n function values(object) {\n return object == null ? [] : baseValues(object, keys(object));\n }\n\n /**\n * Creates an array of the own and inherited enumerable string keyed property\n * values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.valuesIn(new Foo);\n * // => [1, 2, 3] (iteration order is not guaranteed)\n */\n function valuesIn(object) {\n return object == null ? [] : baseValues(object, keysIn(object));\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Clamps `number` within the inclusive `lower` and `upper` bounds.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Number\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n * @example\n *\n * _.clamp(-10, -5, 5);\n * // => -5\n *\n * _.clamp(10, -5, 5);\n * // => 5\n */\n function clamp(number, lower, upper) {\n if (upper === undefined) {\n upper = lower;\n lower = undefined;\n }\n if (upper !== undefined) {\n upper = toNumber(upper);\n upper = upper === upper ? upper : 0;\n }\n if (lower !== undefined) {\n lower = toNumber(lower);\n lower = lower === lower ? lower : 0;\n }\n return baseClamp(toNumber(number), lower, upper);\n }\n\n /**\n * Checks if `n` is between `start` and up to, but not including, `end`. If\n * `end` is not specified, it's set to `start` with `start` then set to `0`.\n * If `start` is greater than `end` the params are swapped to support\n * negative ranges.\n *\n * @static\n * @memberOf _\n * @since 3.3.0\n * @category Number\n * @param {number} number The number to check.\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n * @see _.range, _.rangeRight\n * @example\n *\n * _.inRange(3, 2, 4);\n * // => true\n *\n * _.inRange(4, 8);\n * // => true\n *\n * _.inRange(4, 2);\n * // => false\n *\n * _.inRange(2, 2);\n * // => false\n *\n * _.inRange(1.2, 2);\n * // => true\n *\n * _.inRange(5.2, 4);\n * // => false\n *\n * _.inRange(-3, -2, -6);\n * // => true\n */\n function inRange(number, start, end) {\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n number = toNumber(number);\n return baseInRange(number, start, end);\n }\n\n /**\n * Produces a random number between the inclusive `lower` and `upper` bounds.\n * If only one argument is provided a number between `0` and the given number\n * is returned. If `floating` is `true`, or either `lower` or `upper` are\n * floats, a floating-point number is returned instead of an integer.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Number\n * @param {number} [lower=0] The lower bound.\n * @param {number} [upper=1] The upper bound.\n * @param {boolean} [floating] Specify returning a floating-point number.\n * @returns {number} Returns the random number.\n * @example\n *\n * _.random(0, 5);\n * // => an integer between 0 and 5\n *\n * _.random(5);\n * // => also an integer between 0 and 5\n *\n * _.random(5, true);\n * // => a floating-point number between 0 and 5\n *\n * _.random(1.2, 5.2);\n * // => a floating-point number between 1.2 and 5.2\n */\n function random(lower, upper, floating) {\n if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n upper = floating = undefined;\n }\n if (floating === undefined) {\n if (typeof upper == 'boolean') {\n floating = upper;\n upper = undefined;\n }\n else if (typeof lower == 'boolean') {\n floating = lower;\n lower = undefined;\n }\n }\n if (lower === undefined && upper === undefined) {\n lower = 0;\n upper = 1;\n }\n else {\n lower = toFinite(lower);\n if (upper === undefined) {\n upper = lower;\n lower = 0;\n } else {\n upper = toFinite(upper);\n }\n }\n if (lower > upper) {\n var temp = lower;\n lower = upper;\n upper = temp;\n }\n if (floating || lower % 1 || upper % 1) {\n var rand = nativeRandom();\n return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n }\n return baseRandom(lower, upper);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\n var camelCase = createCompounder(function(result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n });\n\n /**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\n function capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n }\n\n /**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\n function deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n }\n\n /**\n * Checks if `string` ends with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=string.length] The position to search up to.\n * @returns {boolean} Returns `true` if `string` ends with `target`,\n * else `false`.\n * @example\n *\n * _.endsWith('abc', 'c');\n * // => true\n *\n * _.endsWith('abc', 'b');\n * // => false\n *\n * _.endsWith('abc', 'b', 2);\n * // => true\n */\n function endsWith(string, target, position) {\n string = toString(string);\n target = baseToString(target);\n\n var length = string.length;\n position = position === undefined\n ? length\n : baseClamp(toInteger(position), 0, length);\n\n var end = position;\n position -= target.length;\n return position >= 0 && string.slice(position, end) == target;\n }\n\n /**\n * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n * corresponding HTML entities.\n *\n * **Note:** No other characters are escaped. To escape additional\n * characters use a third-party library like [_he_](https://mths.be/he).\n *\n * Though the \">\" character is escaped for symmetry, characters like\n * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n * unless they're part of a tag or unquoted attribute value. See\n * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n * (under \"semi-related fun fact\") for more details.\n *\n * When working with HTML you should always\n * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n * XSS vectors.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escape('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles'\n */\n function escape(string) {\n string = toString(string);\n return (string && reHasUnescapedHtml.test(string))\n ? string.replace(reUnescapedHtml, escapeHtmlChar)\n : string;\n }\n\n /**\n * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escapeRegExp('[lodash](https://lodash.com/)');\n * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n */\n function escapeRegExp(string) {\n string = toString(string);\n return (string && reHasRegExpChar.test(string))\n ? string.replace(reRegExpChar, '\\\\$&')\n : string;\n }\n\n /**\n * Converts `string` to\n * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the kebab cased string.\n * @example\n *\n * _.kebabCase('Foo Bar');\n * // => 'foo-bar'\n *\n * _.kebabCase('fooBar');\n * // => 'foo-bar'\n *\n * _.kebabCase('__FOO_BAR__');\n * // => 'foo-bar'\n */\n var kebabCase = createCompounder(function(result, word, index) {\n return result + (index ? '-' : '') + word.toLowerCase();\n });\n\n /**\n * Converts `string`, as space separated words, to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.lowerCase('--Foo-Bar--');\n * // => 'foo bar'\n *\n * _.lowerCase('fooBar');\n * // => 'foo bar'\n *\n * _.lowerCase('__FOO_BAR__');\n * // => 'foo bar'\n */\n var lowerCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + word.toLowerCase();\n });\n\n /**\n * Converts the first character of `string` to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.lowerFirst('Fred');\n * // => 'fred'\n *\n * _.lowerFirst('FRED');\n * // => 'fRED'\n */\n var lowerFirst = createCaseFirst('toLowerCase');\n\n /**\n * Pads `string` on the left and right sides if it's shorter than `length`.\n * Padding characters are truncated if they can't be evenly divided by `length`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.pad('abc', 8);\n * // => ' abc '\n *\n * _.pad('abc', 8, '_-');\n * // => '_-abc_-_'\n *\n * _.pad('abc', 3);\n * // => 'abc'\n */\n function pad(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n if (!length || strLength >= length) {\n return string;\n }\n var mid = (length - strLength) / 2;\n return (\n createPadding(nativeFloor(mid), chars) +\n string +\n createPadding(nativeCeil(mid), chars)\n );\n }\n\n /**\n * Pads `string` on the right side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padEnd('abc', 6);\n * // => 'abc '\n *\n * _.padEnd('abc', 6, '_-');\n * // => 'abc_-_'\n *\n * _.padEnd('abc', 3);\n * // => 'abc'\n */\n function padEnd(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (string + createPadding(length - strLength, chars))\n : string;\n }\n\n /**\n * Pads `string` on the left side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padStart('abc', 6);\n * // => ' abc'\n *\n * _.padStart('abc', 6, '_-');\n * // => '_-_abc'\n *\n * _.padStart('abc', 3);\n * // => 'abc'\n */\n function padStart(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (createPadding(length - strLength, chars) + string)\n : string;\n }\n\n /**\n * Converts `string` to an integer of the specified radix. If `radix` is\n * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n * hexadecimal, in which case a `radix` of `16` is used.\n *\n * **Note:** This method aligns with the\n * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category String\n * @param {string} string The string to convert.\n * @param {number} [radix=10] The radix to interpret `value` by.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.parseInt('08');\n * // => 8\n *\n * _.map(['6', '08', '10'], _.parseInt);\n * // => [6, 8, 10]\n */\n function parseInt(string, radix, guard) {\n if (guard || radix == null) {\n radix = 0;\n } else if (radix) {\n radix = +radix;\n }\n return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n }\n\n /**\n * Repeats the given string `n` times.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to repeat.\n * @param {number} [n=1] The number of times to repeat the string.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the repeated string.\n * @example\n *\n * _.repeat('*', 3);\n * // => '***'\n *\n * _.repeat('abc', 2);\n * // => 'abcabc'\n *\n * _.repeat('abc', 0);\n * // => ''\n */\n function repeat(string, n, guard) {\n if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n return baseRepeat(toString(string), n);\n }\n\n /**\n * Replaces matches for `pattern` in `string` with `replacement`.\n *\n * **Note:** This method is based on\n * [`String#replace`](https://mdn.io/String/replace).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to modify.\n * @param {RegExp|string} pattern The pattern to replace.\n * @param {Function|string} replacement The match replacement.\n * @returns {string} Returns the modified string.\n * @example\n *\n * _.replace('Hi Fred', 'Fred', 'Barney');\n * // => 'Hi Barney'\n */\n function replace() {\n var args = arguments,\n string = toString(args[0]);\n\n return args.length < 3 ? string : string.replace(args[1], args[2]);\n }\n\n /**\n * Converts `string` to\n * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the snake cased string.\n * @example\n *\n * _.snakeCase('Foo Bar');\n * // => 'foo_bar'\n *\n * _.snakeCase('fooBar');\n * // => 'foo_bar'\n *\n * _.snakeCase('--FOO-BAR--');\n * // => 'foo_bar'\n */\n var snakeCase = createCompounder(function(result, word, index) {\n return result + (index ? '_' : '') + word.toLowerCase();\n });\n\n /**\n * Splits `string` by `separator`.\n *\n * **Note:** This method is based on\n * [`String#split`](https://mdn.io/String/split).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to split.\n * @param {RegExp|string} separator The separator pattern to split by.\n * @param {number} [limit] The length to truncate results to.\n * @returns {Array} Returns the string segments.\n * @example\n *\n * _.split('a-b-c', '-', 2);\n * // => ['a', 'b']\n */\n function split(string, separator, limit) {\n if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n separator = limit = undefined;\n }\n limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n if (!limit) {\n return [];\n }\n string = toString(string);\n if (string && (\n typeof separator == 'string' ||\n (separator != null && !isRegExp(separator))\n )) {\n separator = baseToString(separator);\n if (!separator && hasUnicode(string)) {\n return castSlice(stringToArray(string), 0, limit);\n }\n }\n return string.split(separator, limit);\n }\n\n /**\n * Converts `string` to\n * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n *\n * @static\n * @memberOf _\n * @since 3.1.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the start cased string.\n * @example\n *\n * _.startCase('--foo-bar--');\n * // => 'Foo Bar'\n *\n * _.startCase('fooBar');\n * // => 'Foo Bar'\n *\n * _.startCase('__FOO_BAR__');\n * // => 'FOO BAR'\n */\n var startCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + upperFirst(word);\n });\n\n /**\n * Checks if `string` starts with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=0] The position to search from.\n * @returns {boolean} Returns `true` if `string` starts with `target`,\n * else `false`.\n * @example\n *\n * _.startsWith('abc', 'a');\n * // => true\n *\n * _.startsWith('abc', 'b');\n * // => false\n *\n * _.startsWith('abc', 'b', 1);\n * // => true\n */\n function startsWith(string, target, position) {\n string = toString(string);\n position = position == null\n ? 0\n : baseClamp(toInteger(position), 0, string.length);\n\n target = baseToString(target);\n return string.slice(position, position + target.length) == target;\n }\n\n /**\n * Creates a compiled template function that can interpolate data properties\n * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n * properties may be accessed as free variables in the template. If a setting\n * object is given, it takes precedence over `_.templateSettings` values.\n *\n * **Note:** In the development build `_.template` utilizes\n * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n * for easier debugging.\n *\n * For more information on precompiling templates see\n * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n *\n * For more information on Chrome extension sandboxes see\n * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The template string.\n * @param {Object} [options={}] The options object.\n * @param {RegExp} [options.escape=_.templateSettings.escape]\n * The HTML \"escape\" delimiter.\n * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n * The \"evaluate\" delimiter.\n * @param {Object} [options.imports=_.templateSettings.imports]\n * An object to import into the template as free variables.\n * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n * The \"interpolate\" delimiter.\n * @param {string} [options.sourceURL='lodash.templateSources[n]']\n * The sourceURL of the compiled template.\n * @param {string} [options.variable='obj']\n * The data object variable name.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the compiled template function.\n * @example\n *\n * // Use the \"interpolate\" delimiter to create a compiled template.\n * var compiled = _.template('hello <%= user %>!');\n * compiled({ 'user': 'fred' });\n * // => 'hello fred!'\n *\n * // Use the HTML \"escape\" delimiter to escape data property values.\n * var compiled = _.template('<%- value %>');\n * compiled({ 'value': '