elements work best with integers. round up to ensure contents fits\n}\n\nfunction getSectionHasLiquidHeight(props, sectionConfig) {\n return props.liquid && sectionConfig.liquid; // does the section do liquid-height? (need to have whole scrollgrid liquid-height as well)\n}\n\nfunction getAllowYScrolling(props, sectionConfig) {\n return sectionConfig.maxHeight != null || // if its possible for the height to max out, we might need scrollbars\n getSectionHasLiquidHeight(props, sectionConfig); // if the section is liquid height, it might condense enough to require scrollbars\n} // TODO: ONLY use `arg`. force out internal function to use same API\n\n\nfunction renderChunkContent(sectionConfig, chunkConfig, arg, isHeader) {\n var expandRows = arg.expandRows;\n var content = typeof chunkConfig.content === 'function' ? chunkConfig.content(arg) : createElement('table', {\n role: 'presentation',\n className: [chunkConfig.tableClassName, sectionConfig.syncRowHeights ? 'fc-scrollgrid-sync-table' : ''].join(' '),\n style: {\n minWidth: arg.tableMinWidth,\n width: arg.clientWidth,\n height: expandRows ? arg.clientHeight : '' // css `height` on a
serves as a min-height\n\n }\n }, arg.tableColGroupNode, createElement(isHeader ? 'thead' : 'tbody', {\n role: 'presentation'\n }, typeof chunkConfig.rowContent === 'function' ? chunkConfig.rowContent(arg) : chunkConfig.rowContent));\n return content;\n}\n\nfunction isColPropsEqual(cols0, cols1) {\n return isArraysEqual(cols0, cols1, isPropsEqual);\n}\n\nfunction renderMicroColGroup(cols, shrinkWidth) {\n var colNodes = [];\n /*\n for ColProps with spans, it would have been great to make a single
\n HOWEVER, Chrome was getting messing up distributing the width to
/
elements with colspans.\n SOLUTION: making individual
elements makes Chrome behave.\n */\n\n for (var _i = 0, cols_1 = cols; _i < cols_1.length; _i++) {\n var colProps = cols_1[_i];\n var span = colProps.span || 1;\n\n for (var i = 0; i < span; i += 1) {\n colNodes.push(createElement(\"col\", {\n style: {\n width: colProps.width === 'shrink' ? sanitizeShrinkWidth(shrinkWidth) : colProps.width || '',\n minWidth: colProps.minWidth || ''\n }\n }));\n }\n }\n\n return createElement.apply(void 0, __spreadArray(['colgroup', {}], colNodes));\n}\n\nfunction sanitizeShrinkWidth(shrinkWidth) {\n /* why 4? if we do 0, it will kill any border, which are needed for computeSmallestCellWidth\n 4 accounts for 2 2-pixel borders. TODO: better solution? */\n return shrinkWidth == null ? 4 : shrinkWidth;\n}\n\nfunction hasShrinkWidth(cols) {\n for (var _i = 0, cols_2 = cols; _i < cols_2.length; _i++) {\n var col = cols_2[_i];\n\n if (col.width === 'shrink') {\n return true;\n }\n }\n\n return false;\n}\n\nfunction getScrollGridClassNames(liquid, context) {\n var classNames = ['fc-scrollgrid', context.theme.getClass('table')];\n\n if (liquid) {\n classNames.push('fc-scrollgrid-liquid');\n }\n\n return classNames;\n}\n\nfunction getSectionClassNames(sectionConfig, wholeTableVGrow) {\n var classNames = ['fc-scrollgrid-section', \"fc-scrollgrid-section-\" + sectionConfig.type, sectionConfig.className // used?\n ];\n\n if (wholeTableVGrow && sectionConfig.liquid && sectionConfig.maxHeight == null) {\n classNames.push('fc-scrollgrid-section-liquid');\n }\n\n if (sectionConfig.isSticky) {\n classNames.push('fc-scrollgrid-section-sticky');\n }\n\n return classNames;\n}\n\nfunction renderScrollShim(arg) {\n return createElement(\"div\", {\n className: \"fc-scrollgrid-sticky-shim\",\n style: {\n width: arg.clientWidth,\n minWidth: arg.tableMinWidth\n }\n });\n}\n\nfunction getStickyHeaderDates(options) {\n var stickyHeaderDates = options.stickyHeaderDates;\n\n if (stickyHeaderDates == null || stickyHeaderDates === 'auto') {\n stickyHeaderDates = options.height === 'auto' || options.viewHeight === 'auto';\n }\n\n return stickyHeaderDates;\n}\n\nfunction getStickyFooterScrollbar(options) {\n var stickyFooterScrollbar = options.stickyFooterScrollbar;\n\n if (stickyFooterScrollbar == null || stickyFooterScrollbar === 'auto') {\n stickyFooterScrollbar = options.height === 'auto' || options.viewHeight === 'auto';\n }\n\n return stickyFooterScrollbar;\n}\n\nvar SimpleScrollGrid =\n/** @class */\nfunction (_super) {\n __extends(SimpleScrollGrid, _super);\n\n function SimpleScrollGrid() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n\n _this.processCols = memoize(function (a) {\n return a;\n }, isColPropsEqual); // so we get same `cols` props every time\n // yucky to memoize VNodes, but much more efficient for consumers\n\n _this.renderMicroColGroup = memoize(renderMicroColGroup);\n _this.scrollerRefs = new RefMap();\n _this.scrollerElRefs = new RefMap(_this._handleScrollerEl.bind(_this));\n _this.state = {\n shrinkWidth: null,\n forceYScrollbars: false,\n scrollerClientWidths: {},\n scrollerClientHeights: {}\n }; // TODO: can do a really simple print-view. dont need to join rows\n\n _this.handleSizing = function () {\n _this.safeSetState(__assign({\n shrinkWidth: _this.computeShrinkWidth()\n }, _this.computeScrollerDims()));\n };\n\n return _this;\n }\n\n SimpleScrollGrid.prototype.render = function () {\n var _a = this,\n props = _a.props,\n state = _a.state,\n context = _a.context;\n\n var sectionConfigs = props.sections || [];\n var cols = this.processCols(props.cols);\n var microColGroupNode = this.renderMicroColGroup(cols, state.shrinkWidth);\n var classNames = getScrollGridClassNames(props.liquid, context);\n\n if (props.collapsibleWidth) {\n classNames.push('fc-scrollgrid-collapsible');\n } // TODO: make DRY\n\n\n var configCnt = sectionConfigs.length;\n var configI = 0;\n var currentConfig;\n var headSectionNodes = [];\n var bodySectionNodes = [];\n var footSectionNodes = [];\n\n while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'header') {\n headSectionNodes.push(this.renderSection(currentConfig, microColGroupNode, true));\n configI += 1;\n }\n\n while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'body') {\n bodySectionNodes.push(this.renderSection(currentConfig, microColGroupNode, false));\n configI += 1;\n }\n\n while (configI < configCnt && (currentConfig = sectionConfigs[configI]).type === 'footer') {\n footSectionNodes.push(this.renderSection(currentConfig, microColGroupNode, true));\n configI += 1;\n } // firefox bug: when setting height on table and there is a thead or tfoot,\n // the necessary height:100% on the liquid-height body section forces the *whole* table to be taller. (bug #5524)\n // use getCanVGrowWithinCell as a way to detect table-stupid firefox.\n // if so, use a simpler dom structure, jam everything into a lone tbody.\n\n\n var isBuggy = !getCanVGrowWithinCell();\n var roleAttrs = {\n role: 'rowgroup'\n };\n return createElement('table', {\n role: 'grid',\n className: classNames.join(' '),\n style: {\n height: props.height\n }\n }, Boolean(!isBuggy && headSectionNodes.length) && createElement.apply(void 0, __spreadArray(['thead', roleAttrs], headSectionNodes)), Boolean(!isBuggy && bodySectionNodes.length) && createElement.apply(void 0, __spreadArray(['tbody', roleAttrs], bodySectionNodes)), Boolean(!isBuggy && footSectionNodes.length) && createElement.apply(void 0, __spreadArray(['tfoot', roleAttrs], footSectionNodes)), isBuggy && createElement.apply(void 0, __spreadArray(__spreadArray(__spreadArray(['tbody', roleAttrs], headSectionNodes), bodySectionNodes), footSectionNodes)));\n };\n\n SimpleScrollGrid.prototype.renderSection = function (sectionConfig, microColGroupNode, isHeader) {\n if ('outerContent' in sectionConfig) {\n return createElement(Fragment, {\n key: sectionConfig.key\n }, sectionConfig.outerContent);\n }\n\n return createElement(\"tr\", {\n key: sectionConfig.key,\n role: \"presentation\",\n className: getSectionClassNames(sectionConfig, this.props.liquid).join(' ')\n }, this.renderChunkTd(sectionConfig, microColGroupNode, sectionConfig.chunk, isHeader));\n };\n\n SimpleScrollGrid.prototype.renderChunkTd = function (sectionConfig, microColGroupNode, chunkConfig, isHeader) {\n if ('outerContent' in chunkConfig) {\n return chunkConfig.outerContent;\n }\n\n var props = this.props;\n var _a = this.state,\n forceYScrollbars = _a.forceYScrollbars,\n scrollerClientWidths = _a.scrollerClientWidths,\n scrollerClientHeights = _a.scrollerClientHeights;\n var needsYScrolling = getAllowYScrolling(props, sectionConfig); // TODO: do lazily. do in section config?\n\n var isLiquid = getSectionHasLiquidHeight(props, sectionConfig); // for `!props.liquid` - is WHOLE scrollgrid natural height?\n // TODO: do same thing in advanced scrollgrid? prolly not b/c always has horizontal scrollbars\n\n var overflowY = !props.liquid ? 'visible' : forceYScrollbars ? 'scroll' : !needsYScrolling ? 'hidden' : 'auto';\n var sectionKey = sectionConfig.key;\n var content = renderChunkContent(sectionConfig, chunkConfig, {\n tableColGroupNode: microColGroupNode,\n tableMinWidth: '',\n clientWidth: !props.collapsibleWidth && scrollerClientWidths[sectionKey] !== undefined ? scrollerClientWidths[sectionKey] : null,\n clientHeight: scrollerClientHeights[sectionKey] !== undefined ? scrollerClientHeights[sectionKey] : null,\n expandRows: sectionConfig.expandRows,\n syncRowHeights: false,\n rowSyncHeights: [],\n reportRowHeightChange: function reportRowHeightChange() {}\n }, isHeader);\n return createElement(isHeader ? 'th' : 'td', {\n ref: chunkConfig.elRef,\n role: 'presentation'\n }, createElement(\"div\", {\n className: \"fc-scroller-harness\" + (isLiquid ? ' fc-scroller-harness-liquid' : '')\n }, createElement(Scroller, {\n ref: this.scrollerRefs.createRef(sectionKey),\n elRef: this.scrollerElRefs.createRef(sectionKey),\n overflowY: overflowY,\n overflowX: !props.liquid ? 'visible' : 'hidden'\n /* natural height? */\n ,\n maxHeight: sectionConfig.maxHeight,\n liquid: isLiquid,\n liquidIsAbsolute // because its within a harness\n : true\n }, content)));\n };\n\n SimpleScrollGrid.prototype._handleScrollerEl = function (scrollerEl, key) {\n var section = getSectionByKey(this.props.sections, key);\n\n if (section) {\n setRef(section.chunk.scrollerElRef, scrollerEl);\n }\n };\n\n SimpleScrollGrid.prototype.componentDidMount = function () {\n this.handleSizing();\n this.context.addResizeHandler(this.handleSizing);\n };\n\n SimpleScrollGrid.prototype.componentDidUpdate = function () {\n // TODO: need better solution when state contains non-sizing things\n this.handleSizing();\n };\n\n SimpleScrollGrid.prototype.componentWillUnmount = function () {\n this.context.removeResizeHandler(this.handleSizing);\n };\n\n SimpleScrollGrid.prototype.computeShrinkWidth = function () {\n return hasShrinkWidth(this.props.cols) ? computeShrinkWidth(this.scrollerElRefs.getAll()) : 0;\n };\n\n SimpleScrollGrid.prototype.computeScrollerDims = function () {\n var scrollbarWidth = getScrollbarWidths();\n\n var _a = this,\n scrollerRefs = _a.scrollerRefs,\n scrollerElRefs = _a.scrollerElRefs;\n\n var forceYScrollbars = false;\n var scrollerClientWidths = {};\n var scrollerClientHeights = {};\n\n for (var sectionKey in scrollerRefs.currentMap) {\n var scroller = scrollerRefs.currentMap[sectionKey];\n\n if (scroller && scroller.needsYScrolling()) {\n forceYScrollbars = true;\n break;\n }\n }\n\n for (var _i = 0, _b = this.props.sections; _i < _b.length; _i++) {\n var section = _b[_i];\n var sectionKey = section.key;\n var scrollerEl = scrollerElRefs.currentMap[sectionKey];\n\n if (scrollerEl) {\n var harnessEl = scrollerEl.parentNode; // TODO: weird way to get this. need harness b/c doesn't include table borders\n\n scrollerClientWidths[sectionKey] = Math.floor(harnessEl.getBoundingClientRect().width - (forceYScrollbars ? scrollbarWidth.y // use global because scroller might not have scrollbars yet but will need them in future\n : 0));\n scrollerClientHeights[sectionKey] = Math.floor(harnessEl.getBoundingClientRect().height);\n }\n }\n\n return {\n forceYScrollbars: forceYScrollbars,\n scrollerClientWidths: scrollerClientWidths,\n scrollerClientHeights: scrollerClientHeights\n };\n };\n\n return SimpleScrollGrid;\n}(BaseComponent);\n\nSimpleScrollGrid.addStateEquality({\n scrollerClientWidths: isPropsEqual,\n scrollerClientHeights: isPropsEqual\n});\n\nfunction getSectionByKey(sections, key) {\n for (var _i = 0, sections_1 = sections; _i < sections_1.length; _i++) {\n var section = sections_1[_i];\n\n if (section.key === key) {\n return section;\n }\n }\n\n return null;\n}\n\nvar EventRoot =\n/** @class */\nfunction (_super) {\n __extends(EventRoot, _super);\n\n function EventRoot() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n\n _this.elRef = createRef();\n return _this;\n }\n\n EventRoot.prototype.render = function () {\n var _a = this,\n props = _a.props,\n context = _a.context;\n\n var options = context.options;\n var seg = props.seg;\n var eventRange = seg.eventRange;\n var ui = eventRange.ui;\n var hookProps = {\n event: new EventApi(context, eventRange.def, eventRange.instance),\n view: context.viewApi,\n timeText: props.timeText,\n textColor: ui.textColor,\n backgroundColor: ui.backgroundColor,\n borderColor: ui.borderColor,\n isDraggable: !props.disableDragging && computeSegDraggable(seg, context),\n isStartResizable: !props.disableResizing && computeSegStartResizable(seg, context),\n isEndResizable: !props.disableResizing && computeSegEndResizable(seg),\n isMirror: Boolean(props.isDragging || props.isResizing || props.isDateSelecting),\n isStart: Boolean(seg.isStart),\n isEnd: Boolean(seg.isEnd),\n isPast: Boolean(props.isPast),\n isFuture: Boolean(props.isFuture),\n isToday: Boolean(props.isToday),\n isSelected: Boolean(props.isSelected),\n isDragging: Boolean(props.isDragging),\n isResizing: Boolean(props.isResizing)\n };\n var standardClassNames = getEventClassNames(hookProps).concat(ui.classNames);\n return createElement(RenderHook, {\n hookProps: hookProps,\n classNames: options.eventClassNames,\n content: options.eventContent,\n defaultContent: props.defaultContent,\n didMount: options.eventDidMount,\n willUnmount: options.eventWillUnmount,\n elRef: this.elRef\n }, function (rootElRef, customClassNames, innerElRef, innerContent) {\n return props.children(rootElRef, standardClassNames.concat(customClassNames), innerElRef, innerContent, hookProps);\n });\n };\n\n EventRoot.prototype.componentDidMount = function () {\n setElSeg(this.elRef.current, this.props.seg);\n };\n /*\n need to re-assign seg to the element if seg changes, even if the element is the same\n */\n\n\n EventRoot.prototype.componentDidUpdate = function (prevProps) {\n var seg = this.props.seg;\n\n if (seg !== prevProps.seg) {\n setElSeg(this.elRef.current, seg);\n }\n };\n\n return EventRoot;\n}(BaseComponent); // should not be a purecomponent\n\n\nvar StandardEvent =\n/** @class */\nfunction (_super) {\n __extends(StandardEvent, _super);\n\n function StandardEvent() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n\n StandardEvent.prototype.render = function () {\n var _a = this,\n props = _a.props,\n context = _a.context;\n\n var seg = props.seg;\n var timeFormat = context.options.eventTimeFormat || props.defaultTimeFormat;\n var timeText = buildSegTimeText(seg, timeFormat, context, props.defaultDisplayEventTime, props.defaultDisplayEventEnd);\n return createElement(EventRoot, {\n seg: seg,\n timeText: timeText,\n disableDragging: props.disableDragging,\n disableResizing: props.disableResizing,\n defaultContent: props.defaultContent || renderInnerContent$1,\n isDragging: props.isDragging,\n isResizing: props.isResizing,\n isDateSelecting: props.isDateSelecting,\n isSelected: props.isSelected,\n isPast: props.isPast,\n isFuture: props.isFuture,\n isToday: props.isToday\n }, function (rootElRef, classNames, innerElRef, innerContent, hookProps) {\n return createElement(\"a\", __assign({\n className: props.extraClassNames.concat(classNames).join(' '),\n style: {\n borderColor: hookProps.borderColor,\n backgroundColor: hookProps.backgroundColor\n },\n ref: rootElRef\n }, getSegAnchorAttrs(seg, context)), createElement(\"div\", {\n className: \"fc-event-main\",\n ref: innerElRef,\n style: {\n color: hookProps.textColor\n }\n }, innerContent), hookProps.isStartResizable && createElement(\"div\", {\n className: \"fc-event-resizer fc-event-resizer-start\"\n }), hookProps.isEndResizable && createElement(\"div\", {\n className: \"fc-event-resizer fc-event-resizer-end\"\n }));\n });\n };\n\n return StandardEvent;\n}(BaseComponent);\n\nfunction renderInnerContent$1(innerProps) {\n return createElement(\"div\", {\n className: \"fc-event-main-frame\"\n }, innerProps.timeText && createElement(\"div\", {\n className: \"fc-event-time\"\n }, innerProps.timeText), createElement(\"div\", {\n className: \"fc-event-title-container\"\n }, createElement(\"div\", {\n className: \"fc-event-title fc-sticky\"\n }, innerProps.event.title || createElement(Fragment, null, \"\\xA0\"))));\n}\n\nvar NowIndicatorRoot = function NowIndicatorRoot(props) {\n return createElement(ViewContextType.Consumer, null, function (context) {\n var options = context.options;\n var hookProps = {\n isAxis: props.isAxis,\n date: context.dateEnv.toDate(props.date),\n view: context.viewApi\n };\n return createElement(RenderHook, {\n hookProps: hookProps,\n classNames: options.nowIndicatorClassNames,\n content: options.nowIndicatorContent,\n didMount: options.nowIndicatorDidMount,\n willUnmount: options.nowIndicatorWillUnmount\n }, props.children);\n });\n};\n\nvar DAY_NUM_FORMAT = createFormatter({\n day: 'numeric'\n});\n\nvar DayCellContent =\n/** @class */\nfunction (_super) {\n __extends(DayCellContent, _super);\n\n function DayCellContent() {\n return _super !== null && _super.apply(this, arguments) || this;\n }\n\n DayCellContent.prototype.render = function () {\n var _a = this,\n props = _a.props,\n context = _a.context;\n\n var options = context.options;\n var hookProps = refineDayCellHookProps({\n date: props.date,\n dateProfile: props.dateProfile,\n todayRange: props.todayRange,\n showDayNumber: props.showDayNumber,\n extraProps: props.extraHookProps,\n viewApi: context.viewApi,\n dateEnv: context.dateEnv\n });\n return createElement(ContentHook, {\n hookProps: hookProps,\n content: options.dayCellContent,\n defaultContent: props.defaultContent\n }, props.children);\n };\n\n return DayCellContent;\n}(BaseComponent);\n\nfunction refineDayCellHookProps(raw) {\n var date = raw.date,\n dateEnv = raw.dateEnv;\n var dayMeta = getDateMeta(date, raw.todayRange, null, raw.dateProfile);\n return __assign(__assign(__assign({\n date: dateEnv.toDate(date),\n view: raw.viewApi\n }, dayMeta), {\n dayNumberText: raw.showDayNumber ? dateEnv.format(date, DAY_NUM_FORMAT) : ''\n }), raw.extraProps);\n}\n\nvar DayCellRoot =\n/** @class */\nfunction (_super) {\n __extends(DayCellRoot, _super);\n\n function DayCellRoot() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n\n _this.refineHookProps = memoizeObjArg(refineDayCellHookProps);\n _this.normalizeClassNames = buildClassNameNormalizer();\n return _this;\n }\n\n DayCellRoot.prototype.render = function () {\n var _a = this,\n props = _a.props,\n context = _a.context;\n\n var options = context.options;\n var hookProps = this.refineHookProps({\n date: props.date,\n dateProfile: props.dateProfile,\n todayRange: props.todayRange,\n showDayNumber: props.showDayNumber,\n extraProps: props.extraHookProps,\n viewApi: context.viewApi,\n dateEnv: context.dateEnv\n });\n var classNames = getDayClassNames(hookProps, context.theme).concat(hookProps.isDisabled ? [] // don't use custom classNames if disabled\n : this.normalizeClassNames(options.dayCellClassNames, hookProps));\n var dataAttrs = hookProps.isDisabled ? {} : {\n 'data-date': formatDayString(props.date)\n };\n return createElement(MountHook, {\n hookProps: hookProps,\n didMount: options.dayCellDidMount,\n willUnmount: options.dayCellWillUnmount,\n elRef: props.elRef\n }, function (rootElRef) {\n return props.children(rootElRef, classNames, dataAttrs, hookProps.isDisabled);\n });\n };\n\n return DayCellRoot;\n}(BaseComponent);\n\nfunction renderFill(fillType) {\n return createElement(\"div\", {\n className: \"fc-\" + fillType\n });\n}\n\nvar BgEvent = function BgEvent(props) {\n return createElement(EventRoot, {\n defaultContent: renderInnerContent,\n seg: props.seg\n /* uselesss i think */\n ,\n timeText: \"\",\n disableDragging: true,\n disableResizing: true,\n isDragging: false,\n isResizing: false,\n isDateSelecting: false,\n isSelected: false,\n isPast: props.isPast,\n isFuture: props.isFuture,\n isToday: props.isToday\n }, function (rootElRef, classNames, innerElRef, innerContent, hookProps) {\n return createElement(\"div\", {\n ref: rootElRef,\n className: ['fc-bg-event'].concat(classNames).join(' '),\n style: {\n backgroundColor: hookProps.backgroundColor\n }\n }, innerContent);\n });\n};\n\nfunction renderInnerContent(props) {\n var title = props.event.title;\n return title && createElement(\"div\", {\n className: \"fc-event-title\"\n }, props.event.title);\n}\n\nvar WeekNumberRoot = function WeekNumberRoot(props) {\n return createElement(ViewContextType.Consumer, null, function (context) {\n var dateEnv = context.dateEnv,\n options = context.options;\n var date = props.date;\n var format = options.weekNumberFormat || props.defaultFormat;\n var num = dateEnv.computeWeekNumber(date); // TODO: somehow use for formatting as well?\n\n var text = dateEnv.format(date, format);\n var hookProps = {\n num: num,\n text: text,\n date: date\n };\n return createElement(RenderHook, {\n hookProps: hookProps,\n classNames: options.weekNumberClassNames,\n content: options.weekNumberContent,\n defaultContent: renderInner,\n didMount: options.weekNumberDidMount,\n willUnmount: options.weekNumberWillUnmount\n }, props.children);\n });\n};\n\nfunction renderInner(innerProps) {\n return innerProps.text;\n}\n\nvar PADDING_FROM_VIEWPORT = 10;\n\nvar Popover =\n/** @class */\nfunction (_super) {\n __extends(Popover, _super);\n\n function Popover() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n\n _this.state = {\n titleId: getUniqueDomId()\n };\n\n _this.handleRootEl = function (el) {\n _this.rootEl = el;\n\n if (_this.props.elRef) {\n setRef(_this.props.elRef, el);\n }\n }; // Triggered when the user clicks *anywhere* in the document, for the autoHide feature\n\n\n _this.handleDocumentMouseDown = function (ev) {\n // only hide the popover if the click happened outside the popover\n var target = getEventTargetViaRoot(ev);\n\n if (!_this.rootEl.contains(target)) {\n _this.handleCloseClick();\n }\n };\n\n _this.handleDocumentKeyDown = function (ev) {\n if (ev.key === 'Escape') {\n _this.handleCloseClick();\n }\n };\n\n _this.handleCloseClick = function () {\n var onClose = _this.props.onClose;\n\n if (onClose) {\n onClose();\n }\n };\n\n return _this;\n }\n\n Popover.prototype.render = function () {\n var _a = this.context,\n theme = _a.theme,\n options = _a.options;\n\n var _b = this,\n props = _b.props,\n state = _b.state;\n\n var classNames = ['fc-popover', theme.getClass('popover')].concat(props.extraClassNames || []);\n return createPortal(createElement(\"div\", __assign({\n id: props.id,\n className: classNames.join(' '),\n \"aria-labelledby\": state.titleId\n }, props.extraAttrs, {\n ref: this.handleRootEl\n }), createElement(\"div\", {\n className: 'fc-popover-header ' + theme.getClass('popoverHeader')\n }, createElement(\"span\", {\n className: \"fc-popover-title\",\n id: state.titleId\n }, props.title), createElement(\"span\", {\n className: 'fc-popover-close ' + theme.getIconClass('close'),\n title: options.closeHint,\n onClick: this.handleCloseClick\n })), createElement(\"div\", {\n className: 'fc-popover-body ' + theme.getClass('popoverContent')\n }, props.children)), props.parentEl);\n };\n\n Popover.prototype.componentDidMount = function () {\n document.addEventListener('mousedown', this.handleDocumentMouseDown);\n document.addEventListener('keydown', this.handleDocumentKeyDown);\n this.updateSize();\n };\n\n Popover.prototype.componentWillUnmount = function () {\n document.removeEventListener('mousedown', this.handleDocumentMouseDown);\n document.removeEventListener('keydown', this.handleDocumentKeyDown);\n };\n\n Popover.prototype.updateSize = function () {\n var isRtl = this.context.isRtl;\n var _a = this.props,\n alignmentEl = _a.alignmentEl,\n alignGridTop = _a.alignGridTop;\n var rootEl = this.rootEl;\n var alignmentRect = computeClippedClientRect(alignmentEl);\n\n if (alignmentRect) {\n var popoverDims = rootEl.getBoundingClientRect(); // position relative to viewport\n\n var popoverTop = alignGridTop ? elementClosest(alignmentEl, '.fc-scrollgrid').getBoundingClientRect().top : alignmentRect.top;\n var popoverLeft = isRtl ? alignmentRect.right - popoverDims.width : alignmentRect.left; // constrain\n\n popoverTop = Math.max(popoverTop, PADDING_FROM_VIEWPORT);\n popoverLeft = Math.min(popoverLeft, document.documentElement.clientWidth - PADDING_FROM_VIEWPORT - popoverDims.width);\n popoverLeft = Math.max(popoverLeft, PADDING_FROM_VIEWPORT);\n var origin_1 = rootEl.offsetParent.getBoundingClientRect();\n applyStyle(rootEl, {\n top: popoverTop - origin_1.top,\n left: popoverLeft - origin_1.left\n });\n }\n };\n\n return Popover;\n}(BaseComponent);\n\nvar MorePopover =\n/** @class */\nfunction (_super) {\n __extends(MorePopover, _super);\n\n function MorePopover() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n\n _this.handleRootEl = function (rootEl) {\n _this.rootEl = rootEl;\n\n if (rootEl) {\n _this.context.registerInteractiveComponent(_this, {\n el: rootEl,\n useEventCenter: false\n });\n } else {\n _this.context.unregisterInteractiveComponent(_this);\n }\n };\n\n return _this;\n }\n\n MorePopover.prototype.render = function () {\n var _a = this.context,\n options = _a.options,\n dateEnv = _a.dateEnv;\n var props = this.props;\n var startDate = props.startDate,\n todayRange = props.todayRange,\n dateProfile = props.dateProfile;\n var title = dateEnv.format(startDate, options.dayPopoverFormat);\n return createElement(DayCellRoot, {\n date: startDate,\n dateProfile: dateProfile,\n todayRange: todayRange,\n elRef: this.handleRootEl\n }, function (rootElRef, dayClassNames, dataAttrs) {\n return createElement(Popover, {\n elRef: rootElRef,\n id: props.id,\n title: title,\n extraClassNames: ['fc-more-popover'].concat(dayClassNames),\n extraAttrs: dataAttrs\n /* TODO: make these time-based when not whole-day? */\n ,\n parentEl: props.parentEl,\n alignmentEl: props.alignmentEl,\n alignGridTop: props.alignGridTop,\n onClose: props.onClose\n }, createElement(DayCellContent, {\n date: startDate,\n dateProfile: dateProfile,\n todayRange: todayRange\n }, function (innerElRef, innerContent) {\n return innerContent && createElement(\"div\", {\n className: \"fc-more-popover-misc\",\n ref: innerElRef\n }, innerContent);\n }), props.children);\n });\n };\n\n MorePopover.prototype.queryHit = function (positionLeft, positionTop, elWidth, elHeight) {\n var _a = this,\n rootEl = _a.rootEl,\n props = _a.props;\n\n if (positionLeft >= 0 && positionLeft < elWidth && positionTop >= 0 && positionTop < elHeight) {\n return {\n dateProfile: props.dateProfile,\n dateSpan: __assign({\n allDay: true,\n range: {\n start: props.startDate,\n end: props.endDate\n }\n }, props.extraDateSpan),\n dayEl: rootEl,\n rect: {\n left: 0,\n top: 0,\n right: elWidth,\n bottom: elHeight\n },\n layer: 1 // important when comparing with hits from other components\n\n };\n }\n\n return null;\n };\n\n return MorePopover;\n}(DateComponent);\n\nvar MoreLinkRoot =\n/** @class */\nfunction (_super) {\n __extends(MoreLinkRoot, _super);\n\n function MoreLinkRoot() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n\n _this.linkElRef = createRef();\n _this.state = {\n isPopoverOpen: false,\n popoverId: getUniqueDomId()\n };\n\n _this.handleClick = function (ev) {\n var _a = _this,\n props = _a.props,\n context = _a.context;\n var moreLinkClick = context.options.moreLinkClick;\n var date = computeRange(props).start;\n\n function buildPublicSeg(seg) {\n var _a = seg.eventRange,\n def = _a.def,\n instance = _a.instance,\n range = _a.range;\n return {\n event: new EventApi(context, def, instance),\n start: context.dateEnv.toDate(range.start),\n end: context.dateEnv.toDate(range.end),\n isStart: seg.isStart,\n isEnd: seg.isEnd\n };\n }\n\n if (typeof moreLinkClick === 'function') {\n moreLinkClick = moreLinkClick({\n date: date,\n allDay: Boolean(props.allDayDate),\n allSegs: props.allSegs.map(buildPublicSeg),\n hiddenSegs: props.hiddenSegs.map(buildPublicSeg),\n jsEvent: ev,\n view: context.viewApi\n });\n }\n\n if (!moreLinkClick || moreLinkClick === 'popover') {\n _this.setState({\n isPopoverOpen: true\n });\n } else if (typeof moreLinkClick === 'string') {\n // a view name\n context.calendarApi.zoomTo(date, moreLinkClick);\n }\n };\n\n _this.handlePopoverClose = function () {\n _this.setState({\n isPopoverOpen: false\n });\n };\n\n return _this;\n }\n\n MoreLinkRoot.prototype.render = function () {\n var _this = this;\n\n var _a = this,\n props = _a.props,\n state = _a.state;\n\n return createElement(ViewContextType.Consumer, null, function (context) {\n var viewApi = context.viewApi,\n options = context.options,\n calendarApi = context.calendarApi;\n var moreLinkText = options.moreLinkText;\n var moreCnt = props.moreCnt;\n var range = computeRange(props);\n var text = typeof moreLinkText === 'function' // TODO: eventually use formatWithOrdinals\n ? moreLinkText.call(calendarApi, moreCnt) : \"+\" + moreCnt + \" \" + moreLinkText;\n var title = formatWithOrdinals(options.moreLinkHint, [moreCnt], text);\n var hookProps = {\n num: moreCnt,\n shortText: \"+\" + moreCnt,\n text: text,\n view: viewApi\n };\n return createElement(Fragment, null, Boolean(props.moreCnt) && createElement(RenderHook, {\n elRef: _this.linkElRef,\n hookProps: hookProps,\n classNames: options.moreLinkClassNames,\n content: options.moreLinkContent,\n defaultContent: props.defaultContent || renderMoreLinkInner,\n didMount: options.moreLinkDidMount,\n willUnmount: options.moreLinkWillUnmount\n }, function (rootElRef, customClassNames, innerElRef, innerContent) {\n return props.children(rootElRef, ['fc-more-link'].concat(customClassNames), innerElRef, innerContent, _this.handleClick, title, state.isPopoverOpen, state.isPopoverOpen ? state.popoverId : '');\n }), state.isPopoverOpen && createElement(MorePopover, {\n id: state.popoverId,\n startDate: range.start,\n endDate: range.end,\n dateProfile: props.dateProfile,\n todayRange: props.todayRange,\n extraDateSpan: props.extraDateSpan,\n parentEl: _this.parentEl,\n alignmentEl: props.alignmentElRef.current,\n alignGridTop: props.alignGridTop,\n onClose: _this.handlePopoverClose\n }, props.popoverContent()));\n });\n };\n\n MoreLinkRoot.prototype.componentDidMount = function () {\n this.updateParentEl();\n };\n\n MoreLinkRoot.prototype.componentDidUpdate = function () {\n this.updateParentEl();\n };\n\n MoreLinkRoot.prototype.updateParentEl = function () {\n if (this.linkElRef.current) {\n this.parentEl = elementClosest(this.linkElRef.current, '.fc-view-harness');\n }\n };\n\n return MoreLinkRoot;\n}(BaseComponent);\n\nfunction renderMoreLinkInner(props) {\n return props.text;\n}\n\nfunction computeRange(props) {\n if (props.allDayDate) {\n return {\n start: props.allDayDate,\n end: addDays(props.allDayDate, 1)\n };\n }\n\n var hiddenSegs = props.hiddenSegs;\n return {\n start: computeEarliestSegStart(hiddenSegs),\n end: computeLatestSegEnd(hiddenSegs)\n };\n}\n\nfunction computeEarliestSegStart(segs) {\n return segs.reduce(pickEarliestStart).eventRange.range.start;\n}\n\nfunction pickEarliestStart(seg0, seg1) {\n return seg0.eventRange.range.start < seg1.eventRange.range.start ? seg0 : seg1;\n}\n\nfunction computeLatestSegEnd(segs) {\n return segs.reduce(pickLatestEnd).eventRange.range.end;\n}\n\nfunction pickLatestEnd(seg0, seg1) {\n return seg0.eventRange.range.end > seg1.eventRange.range.end ? seg0 : seg1;\n} // exports\n// --------------------------------------------------------------------------------------------------\n\n\nvar version = '5.11.3'; // important to type it, so .d.ts has generic string\n\nexport { BASE_OPTION_DEFAULTS, BASE_OPTION_REFINERS, BaseComponent, BgEvent, CalendarApi, CalendarContent, CalendarDataManager, CalendarDataProvider, CalendarRoot, ContentHook, CustomContentRenderContext, DateComponent, DateEnv, DateProfileGenerator, DayCellContent, DayCellRoot, DayHeader, DaySeriesModel, DayTableModel, DelayedRunner, ElementDragging, ElementScrollController, Emitter, EventApi, EventRoot, EventSourceApi, Interaction, MoreLinkRoot, MountHook, NamedTimeZoneImpl, NowIndicatorRoot, NowTimer, PositionCache, RefMap, RenderHook, ScrollController, ScrollResponder, Scroller, SegHierarchy, SimpleScrollGrid, Slicer, Splitter, StandardEvent, TableDateCell, TableDowCell, Theme, ViewApi, ViewContextType, ViewRoot, WeekNumberRoot, WindowScrollController, addDays, addDurations, addMs, addWeeks, allowContextMenu, allowSelection, applyMutationToEventStore, applyStyle, applyStyleProp, asCleanDays, asRoughMinutes, asRoughMs, asRoughSeconds, binarySearch, buildClassNameNormalizer, buildEntryKey, buildEventApis, buildEventRangeKey, buildHashFromArray, buildIsoString, buildNavLinkAttrs, buildSegCompareObj, buildSegTimeText, collectFromHash, combineEventUis, compareByFieldSpec, compareByFieldSpecs, compareNumbers, compareObjs, computeEarliestSegStart, computeEdges, computeFallbackHeaderFormat, computeHeightAndMargins, computeInnerRect, computeRect, computeSegDraggable, computeSegEndResizable, computeSegStartResizable, computeShrinkWidth, computeSmallestCellWidth, computeVisibleDayRange, config, constrainPoint, createAriaClickAttrs, createDuration, createEmptyEventStore, createEventInstance, createEventUi, createFormatter, createPlugin, diffDates, diffDayAndTime, diffDays, diffPoints, diffWeeks, diffWholeDays, diffWholeWeeks, disableCursor, elementClosest, elementMatches, enableCursor, eventTupleToStore, filterEventStoreDefs, filterHash, findDirectChildren, findElements, flexibleCompare, formatDate, formatDayString, formatIsoTimeString, formatRange, getAllowYScrolling, getCanVGrowWithinCell, getClippingParents, getDateMeta, getDayClassNames, getDefaultEventEnd, getElRoot, getElSeg, getEntrySpanEnd, getEventClassNames, getEventTargetViaRoot, getIsRtlScrollbarOnLeft, getRectCenter, getRelevantEvents, getScrollGridClassNames, getScrollbarWidths, getSectionClassNames, getSectionHasLiquidHeight, getSegAnchorAttrs, getSegMeta, getSlotClassNames, getStickyFooterScrollbar, getStickyHeaderDates, getUnequalProps, getUniqueDomId, globalLocales, globalPlugins, greatestDurationDenominator, groupIntersectingEntries, guid, hasBgRendering, hasShrinkWidth, identity, interactionSettingsStore, interactionSettingsToStore, intersectRanges, intersectRects, intersectSpans, isArraysEqual, isColPropsEqual, isDateSelectionValid, isDateSpansEqual, isInt, isInteractionValid, isMultiDayRange, isPropsEqual, isPropsValid, isValidDate, joinSpans, listenBySelector, mapHash, memoize, memoizeArraylike, memoizeHashlike, memoizeObjArg, mergeEventStores, multiplyDuration, padStart, parseBusinessHours, parseClassNames, parseDragMeta, parseEventDef, parseFieldSpecs, parse as parseMarker, pointInsideRect, preventContextMenu, preventDefault, preventSelection, rangeContainsMarker, rangeContainsRange, rangesEqual, rangesIntersect, refineEventDef, refineProps, removeElement, removeExact, renderChunkContent, renderFill, renderMicroColGroup, renderScrollShim, requestJson, sanitizeShrinkWidth, setElSeg, setRef, sliceEventStore, sliceEvents, sortEventSegs, startOfDay, translateRect, triggerDateSelect, unpromisify, version, whenTransitionDone, wholeDivideDurations };","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n/******************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\n\n/* global Reflect, Promise */\nvar _extendStatics = function extendStatics(d, b) {\n _extendStatics = Object.setPrototypeOf || {\n __proto__: []\n } instanceof Array && function (d, b) {\n d.__proto__ = b;\n } || function (d, b) {\n for (var p in b) {\n if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];\n }\n };\n\n return _extendStatics(d, b);\n};\n\nexport function __extends(d, b) {\n if (typeof b !== \"function\" && b !== null) throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n\n _extendStatics(d, b);\n\n function __() {\n this.constructor = d;\n }\n\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n}\n\nvar _assign = function __assign() {\n _assign = Object.assign || function __assign(t) {\n for (var s, i = 1, n = arguments.length; i < n; i++) {\n s = arguments[i];\n\n for (var p in s) {\n if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\n }\n }\n\n return t;\n };\n\n return _assign.apply(this, arguments);\n};\n\nexport { _assign as __assign };\nexport function __rest(s, e) {\n var t = {};\n\n for (var p in s) {\n if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0) t[p] = s[p];\n }\n\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\") for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i])) t[p[i]] = s[p[i]];\n }\n return t;\n}\nexport function __decorate(decorators, target, key, desc) {\n var c = arguments.length,\n r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc,\n d;\n if ((typeof Reflect === \"undefined\" ? \"undefined\" : _typeof(Reflect)) === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);else for (var i = decorators.length - 1; i >= 0; i--) {\n if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n }\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n}\nexport function __param(paramIndex, decorator) {\n return function (target, key) {\n decorator(target, key, paramIndex);\n };\n}\nexport function __metadata(metadataKey, metadataValue) {\n if ((typeof Reflect === \"undefined\" ? \"undefined\" : _typeof(Reflect)) === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\n}\nexport function __awaiter(thisArg, _arguments, P, generator) {\n function adopt(value) {\n return value instanceof P ? value : new P(function (resolve) {\n resolve(value);\n });\n }\n\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) {\n try {\n step(generator.next(value));\n } catch (e) {\n reject(e);\n }\n }\n\n function rejected(value) {\n try {\n step(generator[\"throw\"](value));\n } catch (e) {\n reject(e);\n }\n }\n\n function step(result) {\n result.done ? 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op[1] : void 0,\n done: true\n };\n }\n}\nexport var __createBinding = Object.create ? function (o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n var desc = Object.getOwnPropertyDescriptor(m, k);\n\n if (!desc || (\"get\" in desc ? !m.__esModule : desc.writable || desc.configurable)) {\n desc = {\n enumerable: true,\n get: function get() {\n return m[k];\n }\n };\n }\n\n Object.defineProperty(o, k2, desc);\n} : function (o, m, k, k2) {\n if (k2 === undefined) k2 = k;\n o[k2] = m[k];\n};\nexport function __exportStar(m, o) {\n for (var p in m) {\n if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\n }\n}\nexport function __values(o) {\n var s = typeof Symbol === \"function\" && Symbol.iterator,\n m = s && o[s],\n i = 0;\n if (m) return m.call(o);\n if (o && typeof o.length === \"number\") return {\n next: function next() {\n if (o && i >= o.length) o = void 0;\n return {\n value: o && o[i++],\n done: !o\n };\n }\n };\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\n}\nexport function __read(o, n) {\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\n if (!m) return o;\n var i = m.call(o),\n r,\n ar = [],\n e;\n\n try {\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) {\n ar.push(r.value);\n }\n } catch (error) {\n e = {\n error: error\n };\n } finally {\n try {\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\n } finally {\n if (e) throw e.error;\n }\n }\n\n return ar;\n}\n/** @deprecated */\n\nexport function __spread() {\n for (var ar = [], i = 0; i < arguments.length; i++) {\n ar = ar.concat(__read(arguments[i]));\n }\n\n return ar;\n}\n/** @deprecated */\n\nexport function __spreadArrays() {\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) {\n s += arguments[i].length;\n }\n\n for (var r = Array(s), k = 0, i = 0; i < il; i++) {\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++) {\n r[k] = a[j];\n }\n }\n\n return r;\n}\nexport function __spreadArray(to, from, pack) {\n if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\n if (ar || !(i in from)) {\n if (!ar) ar = Array.prototype.slice.call(from, 0, i);\n ar[i] = from[i];\n }\n }\n return to.concat(ar || Array.prototype.slice.call(from));\n}\nexport function __await(v) {\n return this instanceof __await ? 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Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r);\n }\n\n function fulfill(value) {\n resume(\"next\", value);\n }\n\n function reject(value) {\n resume(\"throw\", value);\n }\n\n function settle(f, v) {\n if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]);\n }\n}\nexport function __asyncDelegator(o) {\n var i, p;\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) {\n throw e;\n }), verb(\"return\"), i[Symbol.iterator] = function () {\n return this;\n }, i;\n\n function verb(n, f) {\n i[n] = o[n] ? function (v) {\n return (p = !p) ? {\n value: __await(o[n](v)),\n done: n === \"return\"\n } : f ? f(v) : v;\n } : f;\n }\n}\nexport function __asyncValues(o) {\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\n var m = o[Symbol.asyncIterator],\n i;\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () {\n return this;\n }, i);\n\n function verb(n) {\n i[n] = o[n] && function (v) {\n return new Promise(function (resolve, reject) {\n v = o[n](v), settle(resolve, reject, v.done, v.value);\n });\n };\n }\n\n function settle(resolve, reject, d, v) {\n Promise.resolve(v).then(function (v) {\n resolve({\n value: v,\n done: d\n });\n }, reject);\n }\n}\nexport function __makeTemplateObject(cooked, raw) {\n if (Object.defineProperty) {\n Object.defineProperty(cooked, \"raw\", {\n value: raw\n });\n } else {\n cooked.raw = raw;\n }\n\n return cooked;\n}\n;\n\nvar __setModuleDefault = Object.create ? function (o, v) {\n Object.defineProperty(o, \"default\", {\n enumerable: true,\n value: v\n });\n} : function (o, v) {\n o[\"default\"] = v;\n};\n\nexport function __importStar(mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) {\n if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\n }\n\n __setModuleDefault(result, mod);\n\n return result;\n}\nexport function __importDefault(mod) {\n return mod && mod.__esModule ? mod : {\n \"default\": mod\n };\n}\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\n return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\n}\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\n if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\n return kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value), value;\n}\nexport function __classPrivateFieldIn(state, receiver) {\n if (receiver === null || _typeof(receiver) !== \"object\" && typeof receiver !== \"function\") throw new TypeError(\"Cannot use 'in' operator on non-object\");\n return typeof state === \"function\" ? receiver === state : state.has(receiver);\n}","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n/* global Symbol */\n// Defining this global in .eslintrc.json would create a danger of using the global\n// unguarded in another place, it seems safer to define global only for this module\ndefine([\"./var/arr\", \"./var/getProto\", \"./var/slice\", \"./var/flat\", \"./var/push\", \"./var/indexOf\", \"./var/class2type\", \"./var/toString\", \"./var/hasOwn\", \"./var/fnToString\", \"./var/ObjectFunctionString\", \"./var/support\", \"./var/isFunction\", \"./var/isWindow\", \"./core/DOMEval\", \"./core/toType\"], function (arr, getProto, _slice, flat, push, indexOf, class2type, toString, hasOwn, fnToString, ObjectFunctionString, support, isFunction, isWindow, DOMEval, toType) {\n \"use strict\";\n\n var version = \"3.6.3\",\n // Define a local copy of jQuery\n jQuery = function jQuery(selector, context) {\n // The jQuery object is actually just the init constructor 'enhanced'\n // Need init if jQuery is called (just allow error to be thrown if not included)\n return new jQuery.fn.init(selector, context);\n };\n\n jQuery.fn = jQuery.prototype = {\n // The current version of jQuery being used\n jquery: version,\n constructor: jQuery,\n // The default length of a jQuery object is 0\n length: 0,\n toArray: function toArray() {\n return _slice.call(this);\n },\n // Get the Nth element in the matched element set OR\n // Get the whole matched element set as a clean array\n get: function get(num) {\n // Return all the elements in a clean array\n if (num == null) {\n return _slice.call(this);\n } // Return just the one element from the set\n\n\n return num < 0 ? this[num + this.length] : this[num];\n },\n // Take an array of elements and push it onto the stack\n // (returning the new matched element set)\n pushStack: function pushStack(elems) {\n // Build a new jQuery matched element set\n var ret = jQuery.merge(this.constructor(), elems); // Add the old object onto the stack (as a reference)\n\n ret.prevObject = this; // Return the newly-formed element set\n\n return ret;\n },\n // Execute a callback for every element in the matched set.\n each: function each(callback) {\n return jQuery.each(this, callback);\n },\n map: function map(callback) {\n return this.pushStack(jQuery.map(this, function (elem, i) {\n return callback.call(elem, i, elem);\n }));\n },\n slice: function slice() {\n return this.pushStack(_slice.apply(this, arguments));\n },\n first: function first() {\n return this.eq(0);\n },\n last: function last() {\n return this.eq(-1);\n },\n even: function even() {\n return this.pushStack(jQuery.grep(this, function (_elem, i) {\n return (i + 1) % 2;\n }));\n },\n odd: function odd() {\n return this.pushStack(jQuery.grep(this, function (_elem, i) {\n return i % 2;\n }));\n },\n eq: function eq(i) {\n var len = this.length,\n j = +i + (i < 0 ? len : 0);\n return this.pushStack(j >= 0 && j < len ? [this[j]] : []);\n },\n end: function end() {\n return this.prevObject || this.constructor();\n },\n // For internal use only.\n // Behaves like an Array's method, not like a jQuery method.\n push: push,\n sort: arr.sort,\n splice: arr.splice\n };\n\n jQuery.extend = jQuery.fn.extend = function () {\n var options,\n name,\n src,\n copy,\n copyIsArray,\n clone,\n target = arguments[0] || {},\n i = 1,\n length = arguments.length,\n deep = false; // Handle a deep copy situation\n\n if (typeof target === \"boolean\") {\n deep = target; // Skip the boolean and the target\n\n target = arguments[i] || {};\n i++;\n } // Handle case when target is a string or something (possible in deep copy)\n\n\n if (_typeof(target) !== \"object\" && !isFunction(target)) {\n target = {};\n } // Extend jQuery itself if only one argument is passed\n\n\n if (i === length) {\n target = this;\n i--;\n }\n\n for (; i < length; i++) {\n // Only deal with non-null/undefined values\n if ((options = arguments[i]) != null) {\n // Extend the base object\n for (name in options) {\n copy = options[name]; // Prevent Object.prototype pollution\n // Prevent never-ending loop\n\n if (name === \"__proto__\" || target === copy) {\n continue;\n } // Recurse if we're merging plain objects or arrays\n\n\n if (deep && copy && (jQuery.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) {\n src = target[name]; // Ensure proper type for the source value\n\n if (copyIsArray && !Array.isArray(src)) {\n clone = [];\n } else if (!copyIsArray && !jQuery.isPlainObject(src)) {\n clone = {};\n } else {\n clone = src;\n }\n\n copyIsArray = false; // Never move original objects, clone them\n\n target[name] = jQuery.extend(deep, clone, copy); // Don't bring in undefined values\n } else if (copy !== undefined) {\n target[name] = copy;\n }\n }\n }\n } // Return the modified object\n\n\n return target;\n };\n\n jQuery.extend({\n // Unique for each copy of jQuery on the page\n expando: \"jQuery\" + (version + Math.random()).replace(/\\D/g, \"\"),\n // Assume jQuery is ready without the ready module\n isReady: true,\n error: function error(msg) {\n throw new Error(msg);\n },\n noop: function noop() {},\n isPlainObject: function isPlainObject(obj) {\n var proto, Ctor; // Detect obvious negatives\n // Use toString instead of jQuery.type to catch host objects\n\n if (!obj || toString.call(obj) !== \"[object Object]\") {\n return false;\n }\n\n proto = getProto(obj); // Objects with no prototype (e.g., `Object.create( null )`) are plain\n\n if (!proto) {\n return true;\n } // Objects with prototype are plain iff they were constructed by a global Object function\n\n\n Ctor = hasOwn.call(proto, \"constructor\") && proto.constructor;\n return typeof Ctor === \"function\" && fnToString.call(Ctor) === ObjectFunctionString;\n },\n isEmptyObject: function isEmptyObject(obj) {\n var name;\n\n for (name in obj) {\n return false;\n }\n\n return true;\n },\n // Evaluates a script in a provided context; falls back to the global one\n // if not specified.\n globalEval: function globalEval(code, options, doc) {\n DOMEval(code, {\n nonce: options && options.nonce\n }, doc);\n },\n each: function each(obj, callback) {\n var length,\n i = 0;\n\n if (isArrayLike(obj)) {\n length = obj.length;\n\n for (; i < length; i++) {\n if (callback.call(obj[i], i, obj[i]) === false) {\n break;\n }\n }\n } else {\n for (i in obj) {\n if (callback.call(obj[i], i, obj[i]) === false) {\n break;\n }\n }\n }\n\n return obj;\n },\n // results is for internal usage only\n makeArray: function makeArray(arr, results) {\n var ret = results || [];\n\n if (arr != null) {\n if (isArrayLike(Object(arr))) {\n jQuery.merge(ret, typeof arr === \"string\" ? [arr] : arr);\n } else {\n push.call(ret, arr);\n }\n }\n\n return ret;\n },\n inArray: function inArray(elem, arr, i) {\n return arr == null ? -1 : indexOf.call(arr, elem, i);\n },\n // Support: Android <=4.0 only, PhantomJS 1 only\n // push.apply(_, arraylike) throws on ancient WebKit\n merge: function merge(first, second) {\n var len = +second.length,\n j = 0,\n i = first.length;\n\n for (; j < len; j++) {\n first[i++] = second[j];\n }\n\n first.length = i;\n return first;\n },\n grep: function grep(elems, callback, invert) {\n var callbackInverse,\n matches = [],\n i = 0,\n length = elems.length,\n callbackExpect = !invert; // Go through the array, only saving the items\n // that pass the validator function\n\n for (; i < length; i++) {\n callbackInverse = !callback(elems[i], i);\n\n if (callbackInverse !== callbackExpect) {\n matches.push(elems[i]);\n }\n }\n\n return matches;\n },\n // arg is for internal usage only\n map: function map(elems, callback, arg) {\n var length,\n value,\n i = 0,\n ret = []; // Go through the array, translating each of the items to their new values\n\n if (isArrayLike(elems)) {\n length = elems.length;\n\n for (; i < length; i++) {\n value = callback(elems[i], i, arg);\n\n if (value != null) {\n ret.push(value);\n }\n } // Go through every key on the object,\n\n } else {\n for (i in elems) {\n value = callback(elems[i], i, arg);\n\n if (value != null) {\n ret.push(value);\n }\n }\n } // Flatten any nested arrays\n\n\n return flat(ret);\n },\n // A global GUID counter for objects\n guid: 1,\n // jQuery.support is not used in Core but other projects attach their\n // properties to it so it needs to exist.\n support: support\n });\n\n if (typeof Symbol === \"function\") {\n jQuery.fn[Symbol.iterator] = arr[Symbol.iterator];\n } // Populate the class2type map\n\n\n jQuery.each(\"Boolean Number String Function Array Date RegExp Object Error Symbol\".split(\" \"), function (_i, name) {\n class2type[\"[object \" + name + \"]\"] = name.toLowerCase();\n });\n\n function isArrayLike(obj) {\n // Support: real iOS 8.2 only (not reproducible in simulator)\n // `in` check used to prevent JIT error (gh-2145)\n // hasOwn isn't used here due to false negatives\n // regarding Nodelist length in IE\n var length = !!obj && \"length\" in obj && obj.length,\n type = toType(obj);\n\n if (isFunction(obj) || isWindow(obj)) {\n return false;\n }\n\n return type === \"array\" || length === 0 || typeof length === \"number\" && length > 0 && length - 1 in obj;\n }\n\n return jQuery;\n});","'use strict';\n\nfunction _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }\n\nfunction _nonIterableRest() { throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\nfunction _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== \"undefined\" && arr[Symbol.iterator] || arr[\"@@iterator\"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"] != null) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; }\n\nfunction _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }\n\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nimport bind from './helpers/bind.js'; // utils is a library of generic helper functions non-specific to axios\n\nvar toString = Object.prototype.toString;\nvar getPrototypeOf = Object.getPrototypeOf;\n\nvar kindOf = function (cache) {\n return function (thing) {\n var str = toString.call(thing);\n return cache[str] || (cache[str] = str.slice(8, -1).toLowerCase());\n };\n}(Object.create(null));\n\nvar kindOfTest = function kindOfTest(type) {\n type = type.toLowerCase();\n return function (thing) {\n return kindOf(thing) === type;\n };\n};\n\nvar typeOfTest = function typeOfTest(type) {\n return function (thing) {\n return _typeof(thing) === type;\n };\n};\n/**\n * Determine if a value is an Array\n *\n * @param {Object} val The value to test\n *\n * @returns {boolean} True if value is an Array, otherwise false\n */\n\n\nvar isArray = Array.isArray;\n/**\n * Determine if a value is undefined\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if the value is undefined, otherwise false\n */\n\nvar isUndefined = typeOfTest('undefined');\n/**\n * Determine if a value is a Buffer\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a Buffer, otherwise false\n */\n\nfunction isBuffer(val) {\n return val !== null && !isUndefined(val) && val.constructor !== null && !isUndefined(val.constructor) && isFunction(val.constructor.isBuffer) && val.constructor.isBuffer(val);\n}\n/**\n * Determine if a value is an ArrayBuffer\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is an ArrayBuffer, otherwise false\n */\n\n\nvar isArrayBuffer = kindOfTest('ArrayBuffer');\n/**\n * Determine if a value is a view on an ArrayBuffer\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a view on an ArrayBuffer, otherwise false\n */\n\nfunction isArrayBufferView(val) {\n var result;\n\n if (typeof ArrayBuffer !== 'undefined' && ArrayBuffer.isView) {\n result = ArrayBuffer.isView(val);\n } else {\n result = val && val.buffer && isArrayBuffer(val.buffer);\n }\n\n return result;\n}\n/**\n * Determine if a value is a String\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a String, otherwise false\n */\n\n\nvar isString = typeOfTest('string');\n/**\n * Determine if a value is a Function\n *\n * @param {*} val The value to test\n * @returns {boolean} True if value is a Function, otherwise false\n */\n\nvar isFunction = typeOfTest('function');\n/**\n * Determine if a value is a Number\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a Number, otherwise false\n */\n\nvar isNumber = typeOfTest('number');\n/**\n * Determine if a value is an Object\n *\n * @param {*} thing The value to test\n *\n * @returns {boolean} True if value is an Object, otherwise false\n */\n\nvar isObject = function isObject(thing) {\n return thing !== null && _typeof(thing) === 'object';\n};\n/**\n * Determine if a value is a Boolean\n *\n * @param {*} thing The value to test\n * @returns {boolean} True if value is a Boolean, otherwise false\n */\n\n\nvar isBoolean = function isBoolean(thing) {\n return thing === true || thing === false;\n};\n/**\n * Determine if a value is a plain Object\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a plain Object, otherwise false\n */\n\n\nvar isPlainObject = function isPlainObject(val) {\n if (kindOf(val) !== 'object') {\n return false;\n }\n\n var prototype = getPrototypeOf(val);\n return (prototype === null || prototype === Object.prototype || Object.getPrototypeOf(prototype) === null) && !(Symbol.toStringTag in val) && !(Symbol.iterator in val);\n};\n/**\n * Determine if a value is a Date\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a Date, otherwise false\n */\n\n\nvar isDate = kindOfTest('Date');\n/**\n * Determine if a value is a File\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a File, otherwise false\n */\n\nvar isFile = kindOfTest('File');\n/**\n * Determine if a value is a Blob\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a Blob, otherwise false\n */\n\nvar isBlob = kindOfTest('Blob');\n/**\n * Determine if a value is a FileList\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a File, otherwise false\n */\n\nvar isFileList = kindOfTest('FileList');\n/**\n * Determine if a value is a Stream\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a Stream, otherwise false\n */\n\nvar isStream = function isStream(val) {\n return isObject(val) && isFunction(val.pipe);\n};\n/**\n * Determine if a value is a FormData\n *\n * @param {*} thing The value to test\n *\n * @returns {boolean} True if value is an FormData, otherwise false\n */\n\n\nvar isFormData = function isFormData(thing) {\n var kind;\n return thing && (typeof FormData === 'function' && thing instanceof FormData || isFunction(thing.append) && ((kind = kindOf(thing)) === 'formdata' || // detect form-data instance\n kind === 'object' && isFunction(thing.toString) && thing.toString() === '[object FormData]'));\n};\n/**\n * Determine if a value is a URLSearchParams object\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a URLSearchParams object, otherwise false\n */\n\n\nvar isURLSearchParams = kindOfTest('URLSearchParams');\n\nvar _map = ['ReadableStream', 'Request', 'Response', 'Headers'].map(kindOfTest),\n _map2 = _slicedToArray(_map, 4),\n isReadableStream = _map2[0],\n isRequest = _map2[1],\n isResponse = _map2[2],\n isHeaders = _map2[3];\n/**\n * Trim excess whitespace off the beginning and end of a string\n *\n * @param {String} str The String to trim\n *\n * @returns {String} The String freed of excess whitespace\n */\n\n\nvar trim = function trim(str) {\n return str.trim ? str.trim() : str.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n};\n/**\n * Iterate over an Array or an Object invoking a function for each item.\n *\n * If `obj` is an Array callback will be called passing\n * the value, index, and complete array for each item.\n *\n * If 'obj' is an Object callback will be called passing\n * the value, key, and complete object for each property.\n *\n * @param {Object|Array} obj The object to iterate\n * @param {Function} fn The callback to invoke for each item\n *\n * @param {Boolean} [allOwnKeys = false]\n * @returns {any}\n */\n\n\nfunction forEach(obj, fn) {\n var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},\n _ref$allOwnKeys = _ref.allOwnKeys,\n allOwnKeys = _ref$allOwnKeys === void 0 ? false : _ref$allOwnKeys;\n\n // Don't bother if no value provided\n if (obj === null || typeof obj === 'undefined') {\n return;\n }\n\n var i;\n var l; // Force an array if not already something iterable\n\n if (_typeof(obj) !== 'object') {\n /*eslint no-param-reassign:0*/\n obj = [obj];\n }\n\n if (isArray(obj)) {\n // Iterate over array values\n for (i = 0, l = obj.length; i < l; i++) {\n fn.call(null, obj[i], i, obj);\n }\n } else {\n // Iterate over object keys\n var keys = allOwnKeys ? Object.getOwnPropertyNames(obj) : Object.keys(obj);\n var len = keys.length;\n var key;\n\n for (i = 0; i < len; i++) {\n key = keys[i];\n fn.call(null, obj[key], key, obj);\n }\n }\n}\n\nfunction findKey(obj, key) {\n key = key.toLowerCase();\n var keys = Object.keys(obj);\n var i = keys.length;\n\n var _key;\n\n while (i-- > 0) {\n _key = keys[i];\n\n if (key === _key.toLowerCase()) {\n return _key;\n }\n }\n\n return null;\n}\n\nvar _global = function () {\n /*eslint no-undef:0*/\n if (typeof globalThis !== \"undefined\") return globalThis;\n return typeof self !== \"undefined\" ? self : typeof window !== 'undefined' ? window : global;\n}();\n\nvar isContextDefined = function isContextDefined(context) {\n return !isUndefined(context) && context !== _global;\n};\n/**\n * Accepts varargs expecting each argument to be an object, then\n * immutably merges the properties of each object and returns result.\n *\n * When multiple objects contain the same key the later object in\n * the arguments list will take precedence.\n *\n * Example:\n *\n * ```js\n * var result = merge({foo: 123}, {foo: 456});\n * console.log(result.foo); // outputs 456\n * ```\n *\n * @param {Object} obj1 Object to merge\n *\n * @returns {Object} Result of all merge properties\n */\n\n\nfunction\n /* obj1, obj2, obj3, ... */\nmerge() {\n var _ref2 = isContextDefined(this) && this || {},\n caseless = _ref2.caseless;\n\n var result = {};\n\n var assignValue = function assignValue(val, key) {\n var targetKey = caseless && findKey(result, key) || key;\n\n if (isPlainObject(result[targetKey]) && isPlainObject(val)) {\n result[targetKey] = merge(result[targetKey], val);\n } else if (isPlainObject(val)) {\n result[targetKey] = merge({}, val);\n } else if (isArray(val)) {\n result[targetKey] = val.slice();\n } else {\n result[targetKey] = val;\n }\n };\n\n for (var i = 0, l = arguments.length; i < l; i++) {\n arguments[i] && forEach(arguments[i], assignValue);\n }\n\n return result;\n}\n/**\n * Extends object a by mutably adding to it the properties of object b.\n *\n * @param {Object} a The object to be extended\n * @param {Object} b The object to copy properties from\n * @param {Object} thisArg The object to bind function to\n *\n * @param {Boolean} [allOwnKeys]\n * @returns {Object} The resulting value of object a\n */\n\n\nvar extend = function extend(a, b, thisArg) {\n var _ref3 = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {},\n allOwnKeys = _ref3.allOwnKeys;\n\n forEach(b, function (val, key) {\n if (thisArg && isFunction(val)) {\n a[key] = bind(val, thisArg);\n } else {\n a[key] = val;\n }\n }, {\n allOwnKeys: allOwnKeys\n });\n return a;\n};\n/**\n * Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)\n *\n * @param {string} content with BOM\n *\n * @returns {string} content value without BOM\n */\n\n\nvar stripBOM = function stripBOM(content) {\n if (content.charCodeAt(0) === 0xFEFF) {\n content = content.slice(1);\n }\n\n return content;\n};\n/**\n * Inherit the prototype methods from one constructor into another\n * @param {function} constructor\n * @param {function} superConstructor\n * @param {object} [props]\n * @param {object} [descriptors]\n *\n * @returns {void}\n */\n\n\nvar inherits = function inherits(constructor, superConstructor, props, descriptors) {\n constructor.prototype = Object.create(superConstructor.prototype, descriptors);\n constructor.prototype.constructor = constructor;\n Object.defineProperty(constructor, 'super', {\n value: superConstructor.prototype\n });\n props && Object.assign(constructor.prototype, props);\n};\n/**\n * Resolve object with deep prototype chain to a flat object\n * @param {Object} sourceObj source object\n * @param {Object} [destObj]\n * @param {Function|Boolean} [filter]\n * @param {Function} [propFilter]\n *\n * @returns {Object}\n */\n\n\nvar toFlatObject = function toFlatObject(sourceObj, destObj, filter, propFilter) {\n var props;\n var i;\n var prop;\n var merged = {};\n destObj = destObj || {}; // eslint-disable-next-line no-eq-null,eqeqeq\n\n if (sourceObj == null) return destObj;\n\n do {\n props = Object.getOwnPropertyNames(sourceObj);\n i = props.length;\n\n while (i-- > 0) {\n prop = props[i];\n\n if ((!propFilter || propFilter(prop, sourceObj, destObj)) && !merged[prop]) {\n destObj[prop] = sourceObj[prop];\n merged[prop] = true;\n }\n }\n\n sourceObj = filter !== false && getPrototypeOf(sourceObj);\n } while (sourceObj && (!filter || filter(sourceObj, destObj)) && sourceObj !== Object.prototype);\n\n return destObj;\n};\n/**\n * Determines whether a string ends with the characters of a specified string\n *\n * @param {String} str\n * @param {String} searchString\n * @param {Number} [position= 0]\n *\n * @returns {boolean}\n */\n\n\nvar endsWith = function endsWith(str, searchString, position) {\n str = String(str);\n\n if (position === undefined || position > str.length) {\n position = str.length;\n }\n\n position -= searchString.length;\n var lastIndex = str.indexOf(searchString, position);\n return lastIndex !== -1 && lastIndex === position;\n};\n/**\n * Returns new array from array like object or null if failed\n *\n * @param {*} [thing]\n *\n * @returns {?Array}\n */\n\n\nvar toArray = function toArray(thing) {\n if (!thing) return null;\n if (isArray(thing)) return thing;\n var i = thing.length;\n if (!isNumber(i)) return null;\n var arr = new Array(i);\n\n while (i-- > 0) {\n arr[i] = thing[i];\n }\n\n return arr;\n};\n/**\n * Checking if the Uint8Array exists and if it does, it returns a function that checks if the\n * thing passed in is an instance of Uint8Array\n *\n * @param {TypedArray}\n *\n * @returns {Array}\n */\n// eslint-disable-next-line func-names\n\n\nvar isTypedArray = function (TypedArray) {\n // eslint-disable-next-line func-names\n return function (thing) {\n return TypedArray && thing instanceof TypedArray;\n };\n}(typeof Uint8Array !== 'undefined' && getPrototypeOf(Uint8Array));\n/**\n * For each entry in the object, call the function with the key and value.\n *\n * @param {Object} obj - The object to iterate over.\n * @param {Function} fn - The function to call for each entry.\n *\n * @returns {void}\n */\n\n\nvar forEachEntry = function forEachEntry(obj, fn) {\n var generator = obj && obj[Symbol.iterator];\n var iterator = generator.call(obj);\n var result;\n\n while ((result = iterator.next()) && !result.done) {\n var pair = result.value;\n fn.call(obj, pair[0], pair[1]);\n }\n};\n/**\n * It takes a regular expression and a string, and returns an array of all the matches\n *\n * @param {string} regExp - The regular expression to match against.\n * @param {string} str - The string to search.\n *\n * @returns {Array}\n */\n\n\nvar matchAll = function matchAll(regExp, str) {\n var matches;\n var arr = [];\n\n while ((matches = regExp.exec(str)) !== null) {\n arr.push(matches);\n }\n\n return arr;\n};\n/* Checking if the kindOfTest function returns true when passed an HTMLFormElement. */\n\n\nvar isHTMLForm = kindOfTest('HTMLFormElement');\n\nvar toCamelCase = function toCamelCase(str) {\n return str.toLowerCase().replace(/[-_\\s]([a-z\\d])(\\w*)/g, function replacer(m, p1, p2) {\n return p1.toUpperCase() + p2;\n });\n};\n/* Creating a function that will check if an object has a property. */\n\n\nvar hasOwnProperty = function (_ref4) {\n var hasOwnProperty = _ref4.hasOwnProperty;\n return function (obj, prop) {\n return hasOwnProperty.call(obj, prop);\n };\n}(Object.prototype);\n/**\n * Determine if a value is a RegExp object\n *\n * @param {*} val The value to test\n *\n * @returns {boolean} True if value is a RegExp object, otherwise false\n */\n\n\nvar isRegExp = kindOfTest('RegExp');\n\nvar reduceDescriptors = function reduceDescriptors(obj, reducer) {\n var descriptors = Object.getOwnPropertyDescriptors(obj);\n var reducedDescriptors = {};\n forEach(descriptors, function (descriptor, name) {\n var ret;\n\n if ((ret = reducer(descriptor, name, obj)) !== false) {\n reducedDescriptors[name] = ret || descriptor;\n }\n });\n Object.defineProperties(obj, reducedDescriptors);\n};\n/**\n * Makes all methods read-only\n * @param {Object} obj\n */\n\n\nvar freezeMethods = function freezeMethods(obj) {\n reduceDescriptors(obj, function (descriptor, name) {\n // skip restricted props in strict mode\n if (isFunction(obj) && ['arguments', 'caller', 'callee'].indexOf(name) !== -1) {\n return false;\n }\n\n var value = obj[name];\n if (!isFunction(value)) return;\n descriptor.enumerable = false;\n\n if ('writable' in descriptor) {\n descriptor.writable = false;\n return;\n }\n\n if (!descriptor.set) {\n descriptor.set = function () {\n throw Error('Can not rewrite read-only method \\'' + name + '\\'');\n };\n }\n });\n};\n\nvar toObjectSet = function toObjectSet(arrayOrString, delimiter) {\n var obj = {};\n\n var define = function define(arr) {\n arr.forEach(function (value) {\n obj[value] = true;\n });\n };\n\n isArray(arrayOrString) ? define(arrayOrString) : define(String(arrayOrString).split(delimiter));\n return obj;\n};\n\nvar noop = function noop() {};\n\nvar toFiniteNumber = function toFiniteNumber(value, defaultValue) {\n return value != null && Number.isFinite(value = +value) ? value : defaultValue;\n};\n\nvar ALPHA = 'abcdefghijklmnopqrstuvwxyz';\nvar DIGIT = '0123456789';\nvar ALPHABET = {\n DIGIT: DIGIT,\n ALPHA: ALPHA,\n ALPHA_DIGIT: ALPHA + ALPHA.toUpperCase() + DIGIT\n};\n\nvar generateString = function generateString() {\n var size = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 16;\n var alphabet = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ALPHABET.ALPHA_DIGIT;\n var str = '';\n var length = alphabet.length;\n\n while (size--) {\n str += alphabet[Math.random() * length | 0];\n }\n\n return str;\n};\n/**\n * If the thing is a FormData object, return true, otherwise return false.\n *\n * @param {unknown} thing - The thing to check.\n *\n * @returns {boolean}\n */\n\n\nfunction isSpecCompliantForm(thing) {\n return !!(thing && isFunction(thing.append) && thing[Symbol.toStringTag] === 'FormData' && thing[Symbol.iterator]);\n}\n\nvar toJSONObject = function toJSONObject(obj) {\n var stack = new Array(10);\n\n var visit = function visit(source, i) {\n if (isObject(source)) {\n if (stack.indexOf(source) >= 0) {\n return;\n }\n\n if (!('toJSON' in source)) {\n stack[i] = source;\n var target = isArray(source) ? [] : {};\n forEach(source, function (value, key) {\n var reducedValue = visit(value, i + 1);\n !isUndefined(reducedValue) && (target[key] = reducedValue);\n });\n stack[i] = undefined;\n return target;\n }\n }\n\n return source;\n };\n\n return visit(obj, 0);\n};\n\nvar isAsyncFn = kindOfTest('AsyncFunction');\n\nvar isThenable = function isThenable(thing) {\n return thing && (isObject(thing) || isFunction(thing)) && isFunction(thing.then) && isFunction(thing[\"catch\"]);\n};\n\nexport default {\n isArray: isArray,\n isArrayBuffer: isArrayBuffer,\n isBuffer: isBuffer,\n isFormData: isFormData,\n isArrayBufferView: isArrayBufferView,\n isString: isString,\n isNumber: isNumber,\n isBoolean: isBoolean,\n isObject: isObject,\n isPlainObject: isPlainObject,\n isReadableStream: isReadableStream,\n isRequest: isRequest,\n isResponse: isResponse,\n isHeaders: isHeaders,\n isUndefined: isUndefined,\n isDate: isDate,\n isFile: isFile,\n isBlob: isBlob,\n isRegExp: isRegExp,\n isFunction: isFunction,\n isStream: isStream,\n isURLSearchParams: isURLSearchParams,\n isTypedArray: isTypedArray,\n isFileList: isFileList,\n forEach: forEach,\n merge: merge,\n extend: extend,\n trim: trim,\n stripBOM: stripBOM,\n inherits: inherits,\n toFlatObject: toFlatObject,\n kindOf: kindOf,\n kindOfTest: kindOfTest,\n endsWith: endsWith,\n toArray: toArray,\n forEachEntry: forEachEntry,\n matchAll: matchAll,\n isHTMLForm: isHTMLForm,\n hasOwnProperty: hasOwnProperty,\n hasOwnProp: hasOwnProperty,\n // an alias to avoid ESLint no-prototype-builtins detection\n reduceDescriptors: reduceDescriptors,\n freezeMethods: freezeMethods,\n toObjectSet: toObjectSet,\n toCamelCase: toCamelCase,\n noop: noop,\n toFiniteNumber: toFiniteNumber,\n findKey: findKey,\n global: _global,\n isContextDefined: isContextDefined,\n ALPHABET: ALPHABET,\n generateString: generateString,\n isSpecCompliantForm: isSpecCompliantForm,\n toJSONObject: toJSONObject,\n isAsyncFn: isAsyncFn,\n isThenable: isThenable\n};","function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\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\nfunction _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }\n\nfunction _nonIterableSpread() { throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _iterableToArray(iter) { if (typeof Symbol !== \"undefined\" && iter[Symbol.iterator] != null || iter[\"@@iterator\"] != null) return Array.from(iter); }\n\nfunction _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }\n\nfunction _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== \"undefined\" && o[Symbol.iterator] || o[\"@@iterator\"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === \"number\") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it[\"return\"] != null) it[\"return\"](); } finally { if (didErr) throw err; } } }; }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\n/*!\n * Chart.js v3.9.1\n * https://www.chartjs.org\n * (c) 2022 Chart.js Contributors\n * Released under the MIT License\n */\nfunction noop() {}\n\nvar uid = function () {\n var id = 0;\n return function () {\n return id++;\n };\n}();\n\nfunction isNullOrUndef(value) {\n return value === null || typeof value === 'undefined';\n}\n\nfunction isArray(value) {\n if (Array.isArray && Array.isArray(value)) {\n return true;\n }\n\n var type = Object.prototype.toString.call(value);\n\n if (type.slice(0, 7) === '[object' && type.slice(-6) === 'Array]') {\n return true;\n }\n\n return false;\n}\n\nfunction isObject(value) {\n return value !== null && Object.prototype.toString.call(value) === '[object Object]';\n}\n\nvar isNumberFinite = function isNumberFinite(value) {\n return (typeof value === 'number' || value instanceof Number) && isFinite(+value);\n};\n\nfunction finiteOrDefault(value, defaultValue) {\n return isNumberFinite(value) ? value : defaultValue;\n}\n\nfunction valueOrDefault(value, defaultValue) {\n return typeof value === 'undefined' ? defaultValue : value;\n}\n\nvar toPercentage = function toPercentage(value, dimension) {\n return typeof value === 'string' && value.endsWith('%') ? parseFloat(value) / 100 : value / dimension;\n};\n\nvar toDimension = function toDimension(value, dimension) {\n return typeof value === 'string' && value.endsWith('%') ? parseFloat(value) / 100 * dimension : +value;\n};\n\nfunction callback(fn, args, thisArg) {\n if (fn && typeof fn.call === 'function') {\n return fn.apply(thisArg, args);\n }\n}\n\nfunction each(loopable, fn, thisArg, reverse) {\n var i, len, keys;\n\n if (isArray(loopable)) {\n len = loopable.length;\n\n if (reverse) {\n for (i = len - 1; i >= 0; i--) {\n fn.call(thisArg, loopable[i], i);\n }\n } else {\n for (i = 0; i < len; i++) {\n fn.call(thisArg, loopable[i], i);\n }\n }\n } else if (isObject(loopable)) {\n keys = Object.keys(loopable);\n len = keys.length;\n\n for (i = 0; i < len; i++) {\n fn.call(thisArg, loopable[keys[i]], keys[i]);\n }\n }\n}\n\nfunction _elementsEqual(a0, a1) {\n var i, ilen, v0, v1;\n\n if (!a0 || !a1 || a0.length !== a1.length) {\n return false;\n }\n\n for (i = 0, ilen = a0.length; i < ilen; ++i) {\n v0 = a0[i];\n v1 = a1[i];\n\n if (v0.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) {\n return false;\n }\n }\n\n return true;\n}\n\nfunction clone$1(source) {\n if (isArray(source)) {\n return source.map(clone$1);\n }\n\n if (isObject(source)) {\n var target = Object.create(null);\n var keys = Object.keys(source);\n var klen = keys.length;\n var k = 0;\n\n for (; k < klen; ++k) {\n target[keys[k]] = clone$1(source[keys[k]]);\n }\n\n return target;\n }\n\n return source;\n}\n\nfunction isValidKey(key) {\n return ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1;\n}\n\nfunction _merger(key, target, source, options) {\n if (!isValidKey(key)) {\n return;\n }\n\n var tval = target[key];\n var sval = source[key];\n\n if (isObject(tval) && isObject(sval)) {\n merge(tval, sval, options);\n } else {\n target[key] = clone$1(sval);\n }\n}\n\nfunction merge(target, source, options) {\n var sources = isArray(source) ? source : [source];\n var ilen = sources.length;\n\n if (!isObject(target)) {\n return target;\n }\n\n options = options || {};\n var merger = options.merger || _merger;\n\n for (var i = 0; i < ilen; ++i) {\n source = sources[i];\n\n if (!isObject(source)) {\n continue;\n }\n\n var keys = Object.keys(source);\n\n for (var k = 0, klen = keys.length; k < klen; ++k) {\n merger(keys[k], target, source, options);\n }\n }\n\n return target;\n}\n\nfunction mergeIf(target, source) {\n return merge(target, source, {\n merger: _mergerIf\n });\n}\n\nfunction _mergerIf(key, target, source) {\n if (!isValidKey(key)) {\n return;\n }\n\n var tval = target[key];\n var sval = source[key];\n\n if (isObject(tval) && isObject(sval)) {\n mergeIf(tval, sval);\n } else if (!Object.prototype.hasOwnProperty.call(target, key)) {\n target[key] = clone$1(sval);\n }\n}\n\nfunction _deprecated(scope, value, previous, current) {\n if (value !== undefined) {\n console.warn(scope + ': \"' + previous + '\" is deprecated. Please use \"' + current + '\" instead');\n }\n}\n\nvar keyResolvers = {\n '': function _(v) {\n return v;\n },\n x: function x(o) {\n return o.x;\n },\n y: function y(o) {\n return o.y;\n }\n};\n\nfunction resolveObjectKey(obj, key) {\n var resolver = keyResolvers[key] || (keyResolvers[key] = _getKeyResolver(key));\n\n return resolver(obj);\n}\n\nfunction _getKeyResolver(key) {\n var keys = _splitKey(key);\n\n return function (obj) {\n var _iterator = _createForOfIteratorHelper(keys),\n _step;\n\n try {\n for (_iterator.s(); !(_step = _iterator.n()).done;) {\n var k = _step.value;\n\n if (k === '') {\n break;\n }\n\n obj = obj && obj[k];\n }\n } catch (err) {\n _iterator.e(err);\n } finally {\n _iterator.f();\n }\n\n return obj;\n };\n}\n\nfunction _splitKey(key) {\n var parts = key.split('.');\n var keys = [];\n var tmp = '';\n\n var _iterator2 = _createForOfIteratorHelper(parts),\n _step2;\n\n try {\n for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {\n var part = _step2.value;\n tmp += part;\n\n if (tmp.endsWith('\\\\')) {\n tmp = tmp.slice(0, -1) + '.';\n } else {\n keys.push(tmp);\n tmp = '';\n }\n }\n } catch (err) {\n _iterator2.e(err);\n } finally {\n _iterator2.f();\n }\n\n return keys;\n}\n\nfunction _capitalize(str) {\n return str.charAt(0).toUpperCase() + str.slice(1);\n}\n\nvar defined = function defined(value) {\n return typeof value !== 'undefined';\n};\n\nvar isFunction = function isFunction(value) {\n return typeof value === 'function';\n};\n\nvar setsEqual = function setsEqual(a, b) {\n if (a.size !== b.size) {\n return false;\n }\n\n var _iterator3 = _createForOfIteratorHelper(a),\n _step3;\n\n try {\n for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {\n var item = _step3.value;\n\n if (!b.has(item)) {\n return false;\n }\n }\n } catch (err) {\n _iterator3.e(err);\n } finally {\n _iterator3.f();\n }\n\n return true;\n};\n\nfunction _isClickEvent(e) {\n return e.type === 'mouseup' || e.type === 'click' || e.type === 'contextmenu';\n}\n\nvar PI = Math.PI;\nvar TAU = 2 * PI;\nvar PITAU = TAU + PI;\nvar INFINITY = Number.POSITIVE_INFINITY;\nvar RAD_PER_DEG = PI / 180;\nvar HALF_PI = PI / 2;\nvar QUARTER_PI = PI / 4;\nvar TWO_THIRDS_PI = PI * 2 / 3;\nvar log10 = Math.log10;\nvar sign = Math.sign;\n\nfunction niceNum(range) {\n var roundedRange = Math.round(range);\n range = almostEquals(range, roundedRange, range / 1000) ? roundedRange : range;\n var niceRange = Math.pow(10, Math.floor(log10(range)));\n var fraction = range / niceRange;\n var niceFraction = fraction <= 1 ? 1 : fraction <= 2 ? 2 : fraction <= 5 ? 5 : 10;\n return niceFraction * niceRange;\n}\n\nfunction _factorize(value) {\n var result = [];\n var sqrt = Math.sqrt(value);\n var i;\n\n for (i = 1; i < sqrt; i++) {\n if (value % i === 0) {\n result.push(i);\n result.push(value / i);\n }\n }\n\n if (sqrt === (sqrt | 0)) {\n result.push(sqrt);\n }\n\n result.sort(function (a, b) {\n return a - b;\n }).pop();\n return result;\n}\n\nfunction isNumber(n) {\n return !isNaN(parseFloat(n)) && isFinite(n);\n}\n\nfunction almostEquals(x, y, epsilon) {\n return Math.abs(x - y) < epsilon;\n}\n\nfunction almostWhole(x, epsilon) {\n var rounded = Math.round(x);\n return rounded - epsilon <= x && rounded + epsilon >= x;\n}\n\nfunction _setMinAndMaxByKey(array, target, property) {\n var i, ilen, value;\n\n for (i = 0, ilen = array.length; i < ilen; i++) {\n value = array[i][property];\n\n if (!isNaN(value)) {\n target.min = Math.min(target.min, value);\n target.max = Math.max(target.max, value);\n }\n }\n}\n\nfunction toRadians(degrees) {\n return degrees * (PI / 180);\n}\n\nfunction toDegrees(radians) {\n return radians * (180 / PI);\n}\n\nfunction _decimalPlaces(x) {\n if (!isNumberFinite(x)) {\n return;\n }\n\n var e = 1;\n var p = 0;\n\n while (Math.round(x * e) / e !== x) {\n e *= 10;\n p++;\n }\n\n return p;\n}\n\nfunction getAngleFromPoint(centrePoint, anglePoint) {\n var distanceFromXCenter = anglePoint.x - centrePoint.x;\n var distanceFromYCenter = anglePoint.y - centrePoint.y;\n var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);\n var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);\n\n if (angle < -0.5 * PI) {\n angle += TAU;\n }\n\n return {\n angle: angle,\n distance: radialDistanceFromCenter\n };\n}\n\nfunction distanceBetweenPoints(pt1, pt2) {\n return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));\n}\n\nfunction _angleDiff(a, b) {\n return (a - b + PITAU) % TAU - PI;\n}\n\nfunction _normalizeAngle(a) {\n return (a % TAU + TAU) % TAU;\n}\n\nfunction _angleBetween(angle, start, end, sameAngleIsFullCircle) {\n var a = _normalizeAngle(angle);\n\n var s = _normalizeAngle(start);\n\n var e = _normalizeAngle(end);\n\n var angleToStart = _normalizeAngle(s - a);\n\n var angleToEnd = _normalizeAngle(e - a);\n\n var startToAngle = _normalizeAngle(a - s);\n\n var endToAngle = _normalizeAngle(a - e);\n\n return a === s || a === e || sameAngleIsFullCircle && s === e || angleToStart > angleToEnd && startToAngle < endToAngle;\n}\n\nfunction _limitValue(value, min, max) {\n return Math.max(min, Math.min(max, value));\n}\n\nfunction _int16Range(value) {\n return _limitValue(value, -32768, 32767);\n}\n\nfunction _isBetween(value, start, end) {\n var epsilon = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 1e-6;\n return value >= Math.min(start, end) - epsilon && value <= Math.max(start, end) + epsilon;\n}\n\nfunction _lookup(table, value, cmp) {\n cmp = cmp || function (index) {\n return table[index] < value;\n };\n\n var hi = table.length - 1;\n var lo = 0;\n var mid;\n\n while (hi - lo > 1) {\n mid = lo + hi >> 1;\n\n if (cmp(mid)) {\n lo = mid;\n } else {\n hi = mid;\n }\n }\n\n return {\n lo: lo,\n hi: hi\n };\n}\n\nvar _lookupByKey = function _lookupByKey(table, key, value, last) {\n return _lookup(table, value, last ? function (index) {\n return table[index][key] <= value;\n } : function (index) {\n return table[index][key] < value;\n });\n};\n\nvar _rlookupByKey = function _rlookupByKey(table, key, value) {\n return _lookup(table, value, function (index) {\n return table[index][key] >= value;\n });\n};\n\nfunction _filterBetween(values, min, max) {\n var start = 0;\n var end = values.length;\n\n while (start < end && values[start] < min) {\n start++;\n }\n\n while (end > start && values[end - 1] > max) {\n end--;\n }\n\n return start > 0 || end < values.length ? values.slice(start, end) : values;\n}\n\nvar arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];\n\nfunction listenArrayEvents(array, listener) {\n if (array._chartjs) {\n array._chartjs.listeners.push(listener);\n\n return;\n }\n\n Object.defineProperty(array, '_chartjs', {\n configurable: true,\n enumerable: false,\n value: {\n listeners: [listener]\n }\n });\n arrayEvents.forEach(function (key) {\n var method = '_onData' + _capitalize(key);\n\n var base = array[key];\n Object.defineProperty(array, key, {\n configurable: true,\n enumerable: false,\n value: function value() {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n var res = base.apply(this, args);\n\n array._chartjs.listeners.forEach(function (object) {\n if (typeof object[method] === 'function') {\n object[method].apply(object, args);\n }\n });\n\n return res;\n }\n });\n });\n}\n\nfunction unlistenArrayEvents(array, listener) {\n var stub = array._chartjs;\n\n if (!stub) {\n return;\n }\n\n var listeners = stub.listeners;\n var index = listeners.indexOf(listener);\n\n if (index !== -1) {\n listeners.splice(index, 1);\n }\n\n if (listeners.length > 0) {\n return;\n }\n\n arrayEvents.forEach(function (key) {\n delete array[key];\n });\n delete array._chartjs;\n}\n\nfunction _arrayUnique(items) {\n var set = new Set();\n var i, ilen;\n\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n set.add(items[i]);\n }\n\n if (set.size === ilen) {\n return items;\n }\n\n return Array.from(set);\n}\n\nfunction fontString(pixelSize, fontStyle, fontFamily) {\n return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;\n}\n\nvar requestAnimFrame = function () {\n if (typeof window === 'undefined') {\n return function (callback) {\n return callback();\n };\n }\n\n return window.requestAnimationFrame;\n}();\n\nfunction throttled(fn, thisArg, updateFn) {\n var updateArgs = updateFn || function (args) {\n return Array.prototype.slice.call(args);\n };\n\n var ticking = false;\n var args = [];\n return function () {\n for (var _len2 = arguments.length, rest = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n rest[_key2] = arguments[_key2];\n }\n\n args = updateArgs(rest);\n\n if (!ticking) {\n ticking = true;\n requestAnimFrame.call(window, function () {\n ticking = false;\n fn.apply(thisArg, args);\n });\n }\n };\n}\n\nfunction debounce(fn, delay) {\n var timeout;\n return function () {\n for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n args[_key3] = arguments[_key3];\n }\n\n if (delay) {\n clearTimeout(timeout);\n timeout = setTimeout(fn, delay, args);\n } else {\n fn.apply(this, args);\n }\n\n return delay;\n };\n}\n\nvar _toLeftRightCenter = function _toLeftRightCenter(align) {\n return align === 'start' ? 'left' : align === 'end' ? 'right' : 'center';\n};\n\nvar _alignStartEnd = function _alignStartEnd(align, start, end) {\n return align === 'start' ? start : align === 'end' ? end : (start + end) / 2;\n};\n\nvar _textX = function _textX(align, left, right, rtl) {\n var check = rtl ? 'left' : 'right';\n return align === check ? right : align === 'center' ? (left + right) / 2 : left;\n};\n\nfunction _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) {\n var pointCount = points.length;\n var start = 0;\n var count = pointCount;\n\n if (meta._sorted) {\n var iScale = meta.iScale,\n _parsed = meta._parsed;\n var axis = iScale.axis;\n\n var _iScale$getUserBounds = iScale.getUserBounds(),\n min = _iScale$getUserBounds.min,\n max = _iScale$getUserBounds.max,\n minDefined = _iScale$getUserBounds.minDefined,\n maxDefined = _iScale$getUserBounds.maxDefined;\n\n if (minDefined) {\n start = _limitValue(Math.min(_lookupByKey(_parsed, iScale.axis, min).lo, animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo), 0, pointCount - 1);\n }\n\n if (maxDefined) {\n count = _limitValue(Math.max(_lookupByKey(_parsed, iScale.axis, max, true).hi + 1, animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max), true).hi + 1), start, pointCount) - start;\n } else {\n count = pointCount - start;\n }\n }\n\n return {\n start: start,\n count: count\n };\n}\n\nfunction _scaleRangesChanged(meta) {\n var xScale = meta.xScale,\n yScale = meta.yScale,\n _scaleRanges = meta._scaleRanges;\n var newRanges = {\n xmin: xScale.min,\n xmax: xScale.max,\n ymin: yScale.min,\n ymax: yScale.max\n };\n\n if (!_scaleRanges) {\n meta._scaleRanges = newRanges;\n return true;\n }\n\n var changed = _scaleRanges.xmin !== xScale.min || _scaleRanges.xmax !== xScale.max || _scaleRanges.ymin !== yScale.min || _scaleRanges.ymax !== yScale.max;\n Object.assign(_scaleRanges, newRanges);\n return changed;\n}\n\nvar atEdge = function atEdge(t) {\n return t === 0 || t === 1;\n};\n\nvar elasticIn = function elasticIn(t, s, p) {\n return -(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * TAU / p));\n};\n\nvar elasticOut = function elasticOut(t, s, p) {\n return Math.pow(2, -10 * t) * Math.sin((t - s) * TAU / p) + 1;\n};\n\nvar effects = {\n linear: function linear(t) {\n return t;\n },\n easeInQuad: function easeInQuad(t) {\n return t * t;\n },\n easeOutQuad: function easeOutQuad(t) {\n return -t * (t - 2);\n },\n easeInOutQuad: function easeInOutQuad(t) {\n return (t /= 0.5) < 1 ? 0.5 * t * t : -0.5 * (--t * (t - 2) - 1);\n },\n easeInCubic: function easeInCubic(t) {\n return t * t * t;\n },\n easeOutCubic: function easeOutCubic(t) {\n return (t -= 1) * t * t + 1;\n },\n easeInOutCubic: function easeInOutCubic(t) {\n return (t /= 0.5) < 1 ? 0.5 * t * t * t : 0.5 * ((t -= 2) * t * t + 2);\n },\n easeInQuart: function easeInQuart(t) {\n return t * t * t * t;\n },\n easeOutQuart: function easeOutQuart(t) {\n return -((t -= 1) * t * t * t - 1);\n },\n easeInOutQuart: function easeInOutQuart(t) {\n return (t /= 0.5) < 1 ? 0.5 * t * t * t * t : -0.5 * ((t -= 2) * t * t * t - 2);\n },\n easeInQuint: function easeInQuint(t) {\n return t * t * t * t * t;\n },\n easeOutQuint: function easeOutQuint(t) {\n return (t -= 1) * t * t * t * t + 1;\n },\n easeInOutQuint: function easeInOutQuint(t) {\n return (t /= 0.5) < 1 ? 0.5 * t * t * t * t * t : 0.5 * ((t -= 2) * t * t * t * t + 2);\n },\n easeInSine: function easeInSine(t) {\n return -Math.cos(t * HALF_PI) + 1;\n },\n easeOutSine: function easeOutSine(t) {\n return Math.sin(t * HALF_PI);\n },\n easeInOutSine: function easeInOutSine(t) {\n return -0.5 * (Math.cos(PI * t) - 1);\n },\n easeInExpo: function easeInExpo(t) {\n return t === 0 ? 0 : Math.pow(2, 10 * (t - 1));\n },\n easeOutExpo: function easeOutExpo(t) {\n return t === 1 ? 1 : -Math.pow(2, -10 * t) + 1;\n },\n easeInOutExpo: function easeInOutExpo(t) {\n return atEdge(t) ? t : t < 0.5 ? 0.5 * Math.pow(2, 10 * (t * 2 - 1)) : 0.5 * (-Math.pow(2, -10 * (t * 2 - 1)) + 2);\n },\n easeInCirc: function easeInCirc(t) {\n return t >= 1 ? t : -(Math.sqrt(1 - t * t) - 1);\n },\n easeOutCirc: function easeOutCirc(t) {\n return Math.sqrt(1 - (t -= 1) * t);\n },\n easeInOutCirc: function easeInOutCirc(t) {\n return (t /= 0.5) < 1 ? -0.5 * (Math.sqrt(1 - t * t) - 1) : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);\n },\n easeInElastic: function easeInElastic(t) {\n return atEdge(t) ? t : elasticIn(t, 0.075, 0.3);\n },\n easeOutElastic: function easeOutElastic(t) {\n return atEdge(t) ? t : elasticOut(t, 0.075, 0.3);\n },\n easeInOutElastic: function easeInOutElastic(t) {\n var s = 0.1125;\n var p = 0.45;\n return atEdge(t) ? t : t < 0.5 ? 0.5 * elasticIn(t * 2, s, p) : 0.5 + 0.5 * elasticOut(t * 2 - 1, s, p);\n },\n easeInBack: function easeInBack(t) {\n var s = 1.70158;\n return t * t * ((s + 1) * t - s);\n },\n easeOutBack: function easeOutBack(t) {\n var s = 1.70158;\n return (t -= 1) * t * ((s + 1) * t + s) + 1;\n },\n easeInOutBack: function easeInOutBack(t) {\n var s = 1.70158;\n\n if ((t /= 0.5) < 1) {\n return 0.5 * (t * t * (((s *= 1.525) + 1) * t - s));\n }\n\n return 0.5 * ((t -= 2) * t * (((s *= 1.525) + 1) * t + s) + 2);\n },\n easeInBounce: function easeInBounce(t) {\n return 1 - effects.easeOutBounce(1 - t);\n },\n easeOutBounce: function easeOutBounce(t) {\n var m = 7.5625;\n var d = 2.75;\n\n if (t < 1 / d) {\n return m * t * t;\n }\n\n if (t < 2 / d) {\n return m * (t -= 1.5 / d) * t + 0.75;\n }\n\n if (t < 2.5 / d) {\n return m * (t -= 2.25 / d) * t + 0.9375;\n }\n\n return m * (t -= 2.625 / d) * t + 0.984375;\n },\n easeInOutBounce: function easeInOutBounce(t) {\n return t < 0.5 ? effects.easeInBounce(t * 2) * 0.5 : effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;\n }\n};\n/*!\n * @kurkle/color v0.2.1\n * https://github.com/kurkle/color#readme\n * (c) 2022 Jukka Kurkela\n * Released under the MIT License\n */\n\nfunction round(v) {\n return v + 0.5 | 0;\n}\n\nvar lim = function lim(v, l, h) {\n return Math.max(Math.min(v, h), l);\n};\n\nfunction p2b(v) {\n return lim(round(v * 2.55), 0, 255);\n}\n\nfunction n2b(v) {\n return lim(round(v * 255), 0, 255);\n}\n\nfunction b2n(v) {\n return lim(round(v / 2.55) / 100, 0, 1);\n}\n\nfunction n2p(v) {\n return lim(round(v * 100), 0, 100);\n}\n\nvar map$1 = {\n 0: 0,\n 1: 1,\n 2: 2,\n 3: 3,\n 4: 4,\n 5: 5,\n 6: 6,\n 7: 7,\n 8: 8,\n 9: 9,\n A: 10,\n B: 11,\n C: 12,\n D: 13,\n E: 14,\n F: 15,\n a: 10,\n b: 11,\n c: 12,\n d: 13,\n e: 14,\n f: 15\n};\n\nvar hex = _toConsumableArray('0123456789ABCDEF');\n\nvar h1 = function h1(b) {\n return hex[b & 0xF];\n};\n\nvar h2 = function h2(b) {\n return hex[(b & 0xF0) >> 4] + hex[b & 0xF];\n};\n\nvar eq = function eq(b) {\n return (b & 0xF0) >> 4 === (b & 0xF);\n};\n\nvar isShort = function isShort(v) {\n return eq(v.r) && eq(v.g) && eq(v.b) && eq(v.a);\n};\n\nfunction hexParse(str) {\n var len = str.length;\n var ret;\n\n if (str[0] === '#') {\n if (len === 4 || len === 5) {\n ret = {\n r: 255 & map$1[str[1]] * 17,\n g: 255 & map$1[str[2]] * 17,\n b: 255 & map$1[str[3]] * 17,\n a: len === 5 ? map$1[str[4]] * 17 : 255\n };\n } else if (len === 7 || len === 9) {\n ret = {\n r: map$1[str[1]] << 4 | map$1[str[2]],\n g: map$1[str[3]] << 4 | map$1[str[4]],\n b: map$1[str[5]] << 4 | map$1[str[6]],\n a: len === 9 ? map$1[str[7]] << 4 | map$1[str[8]] : 255\n };\n }\n }\n\n return ret;\n}\n\nvar alpha = function alpha(a, f) {\n return a < 255 ? f(a) : '';\n};\n\nfunction _hexString(v) {\n var f = isShort(v) ? h1 : h2;\n return v ? '#' + f(v.r) + f(v.g) + f(v.b) + alpha(v.a, f) : undefined;\n}\n\nvar HUE_RE = /^(hsla?|hwb|hsv)\\(\\s*([-+.e\\d]+)(?:deg)?[\\s,]+([-+.e\\d]+)%[\\s,]+([-+.e\\d]+)%(?:[\\s,]+([-+.e\\d]+)(%)?)?\\s*\\)$/;\n\nfunction hsl2rgbn(h, s, l) {\n var a = s * Math.min(l, 1 - l);\n\n var f = function f(n) {\n var k = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : (n + h / 30) % 12;\n return l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1);\n };\n\n return [f(0), f(8), f(4)];\n}\n\nfunction hsv2rgbn(h, s, v) {\n var f = function f(n) {\n var k = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : (n + h / 60) % 6;\n return v - v * s * Math.max(Math.min(k, 4 - k, 1), 0);\n };\n\n return [f(5), f(3), f(1)];\n}\n\nfunction hwb2rgbn(h, w, b) {\n var rgb = hsl2rgbn(h, 1, 0.5);\n var i;\n\n if (w + b > 1) {\n i = 1 / (w + b);\n w *= i;\n b *= i;\n }\n\n for (i = 0; i < 3; i++) {\n rgb[i] *= 1 - w - b;\n rgb[i] += w;\n }\n\n return rgb;\n}\n\nfunction hueValue(r, g, b, d, max) {\n if (r === max) {\n return (g - b) / d + (g < b ? 6 : 0);\n }\n\n if (g === max) {\n return (b - r) / d + 2;\n }\n\n return (r - g) / d + 4;\n}\n\nfunction rgb2hsl(v) {\n var range = 255;\n var r = v.r / range;\n var g = v.g / range;\n var b = v.b / range;\n var max = Math.max(r, g, b);\n var min = Math.min(r, g, b);\n var l = (max + min) / 2;\n var h, s, d;\n\n if (max !== min) {\n d = max - min;\n s = l > 0.5 ? d / (2 - max - min) : d / (max + min);\n h = hueValue(r, g, b, d, max);\n h = h * 60 + 0.5;\n }\n\n return [h | 0, s || 0, l];\n}\n\nfunction calln(f, a, b, c) {\n return (Array.isArray(a) ? f(a[0], a[1], a[2]) : f(a, b, c)).map(n2b);\n}\n\nfunction hsl2rgb(h, s, l) {\n return calln(hsl2rgbn, h, s, l);\n}\n\nfunction hwb2rgb(h, w, b) {\n return calln(hwb2rgbn, h, w, b);\n}\n\nfunction hsv2rgb(h, s, v) {\n return calln(hsv2rgbn, h, s, v);\n}\n\nfunction hue(h) {\n return (h % 360 + 360) % 360;\n}\n\nfunction hueParse(str) {\n var m = HUE_RE.exec(str);\n var a = 255;\n var v;\n\n if (!m) {\n return;\n }\n\n if (m[5] !== v) {\n a = m[6] ? p2b(+m[5]) : n2b(+m[5]);\n }\n\n var h = hue(+m[2]);\n var p1 = +m[3] / 100;\n var p2 = +m[4] / 100;\n\n if (m[1] === 'hwb') {\n v = hwb2rgb(h, p1, p2);\n } else if (m[1] === 'hsv') {\n v = hsv2rgb(h, p1, p2);\n } else {\n v = hsl2rgb(h, p1, p2);\n }\n\n return {\n r: v[0],\n g: v[1],\n b: v[2],\n a: a\n };\n}\n\nfunction _rotate(v, deg) {\n var h = rgb2hsl(v);\n h[0] = hue(h[0] + deg);\n h = hsl2rgb(h);\n v.r = h[0];\n v.g = h[1];\n v.b = h[2];\n}\n\nfunction _hslString(v) {\n if (!v) {\n return;\n }\n\n var a = rgb2hsl(v);\n var h = a[0];\n var s = n2p(a[1]);\n var l = n2p(a[2]);\n return v.a < 255 ? \"hsla(\".concat(h, \", \").concat(s, \"%, \").concat(l, \"%, \").concat(b2n(v.a), \")\") : \"hsl(\".concat(h, \", \").concat(s, \"%, \").concat(l, \"%)\");\n}\n\nvar map = {\n x: 'dark',\n Z: 'light',\n Y: 're',\n X: 'blu',\n W: 'gr',\n V: 'medium',\n U: 'slate',\n A: 'ee',\n T: 'ol',\n S: 'or',\n B: 'ra',\n C: 'lateg',\n D: 'ights',\n R: 'in',\n Q: 'turquois',\n E: 'hi',\n P: 'ro',\n O: 'al',\n N: 'le',\n M: 'de',\n L: 'yello',\n F: 'en',\n K: 'ch',\n G: 'arks',\n H: 'ea',\n I: 'ightg',\n J: 'wh'\n};\nvar names$1 = {\n OiceXe: 'f0f8ff',\n antiquewEte: 'faebd7',\n aqua: 'ffff',\n aquamarRe: '7fffd4',\n azuY: 'f0ffff',\n beige: 'f5f5dc',\n bisque: 'ffe4c4',\n black: '0',\n blanKedOmond: 'ffebcd',\n Xe: 'ff',\n XeviTet: '8a2be2',\n bPwn: 'a52a2a',\n burlywood: 'deb887',\n caMtXe: '5f9ea0',\n KartYuse: '7fff00',\n KocTate: 'd2691e',\n cSO: 'ff7f50',\n cSnflowerXe: '6495ed',\n cSnsilk: 'fff8dc',\n crimson: 'dc143c',\n cyan: 'ffff',\n xXe: '8b',\n xcyan: '8b8b',\n xgTMnPd: 'b8860b',\n xWay: 'a9a9a9',\n xgYF: '6400',\n xgYy: 'a9a9a9',\n xkhaki: 'bdb76b',\n xmagFta: '8b008b',\n xTivegYF: '556b2f',\n xSange: 'ff8c00',\n xScEd: '9932cc',\n xYd: '8b0000',\n xsOmon: 'e9967a',\n xsHgYF: '8fbc8f',\n xUXe: '483d8b',\n xUWay: '2f4f4f',\n xUgYy: '2f4f4f',\n xQe: 'ced1',\n xviTet: '9400d3',\n dAppRk: 'ff1493',\n dApskyXe: 'bfff',\n dimWay: '696969',\n dimgYy: '696969',\n dodgerXe: '1e90ff',\n fiYbrick: 'b22222',\n flSOwEte: 'fffaf0',\n foYstWAn: '228b22',\n fuKsia: 'ff00ff',\n gaRsbSo: 'dcdcdc',\n ghostwEte: 'f8f8ff',\n gTd: 'ffd700',\n gTMnPd: 'daa520',\n Way: '808080',\n gYF: '8000',\n gYFLw: 'adff2f',\n gYy: '808080',\n honeyMw: 'f0fff0',\n hotpRk: 'ff69b4',\n RdianYd: 'cd5c5c',\n Rdigo: '4b0082',\n ivSy: 'fffff0',\n khaki: 'f0e68c',\n lavFMr: 'e6e6fa',\n lavFMrXsh: 'fff0f5',\n lawngYF: '7cfc00',\n NmoncEffon: 'fffacd',\n ZXe: 'add8e6',\n ZcSO: 'f08080',\n Zcyan: 'e0ffff',\n ZgTMnPdLw: 'fafad2',\n ZWay: 'd3d3d3',\n ZgYF: '90ee90',\n ZgYy: 'd3d3d3',\n ZpRk: 'ffb6c1',\n ZsOmon: 'ffa07a',\n ZsHgYF: '20b2aa',\n ZskyXe: '87cefa',\n ZUWay: '778899',\n ZUgYy: '778899',\n ZstAlXe: 'b0c4de',\n ZLw: 'ffffe0',\n lime: 'ff00',\n limegYF: '32cd32',\n lRF: 'faf0e6',\n magFta: 'ff00ff',\n maPon: '800000',\n VaquamarRe: '66cdaa',\n VXe: 'cd',\n VScEd: 'ba55d3',\n VpurpN: '9370db',\n VsHgYF: '3cb371',\n VUXe: '7b68ee',\n VsprRggYF: 'fa9a',\n VQe: '48d1cc',\n VviTetYd: 'c71585',\n midnightXe: '191970',\n mRtcYam: 'f5fffa',\n mistyPse: 'ffe4e1',\n moccasR: 'ffe4b5',\n navajowEte: 'ffdead',\n navy: '80',\n Tdlace: 'fdf5e6',\n Tive: '808000',\n TivedBb: '6b8e23',\n Sange: 'ffa500',\n SangeYd: 'ff4500',\n ScEd: 'da70d6',\n pOegTMnPd: 'eee8aa',\n pOegYF: '98fb98',\n pOeQe: 'afeeee',\n pOeviTetYd: 'db7093',\n papayawEp: 'ffefd5',\n pHKpuff: 'ffdab9',\n peru: 'cd853f',\n pRk: 'ffc0cb',\n plum: 'dda0dd',\n powMrXe: 'b0e0e6',\n purpN: '800080',\n YbeccapurpN: '663399',\n Yd: 'ff0000',\n Psybrown: 'bc8f8f',\n PyOXe: '4169e1',\n saddNbPwn: '8b4513',\n sOmon: 'fa8072',\n sandybPwn: 'f4a460',\n sHgYF: '2e8b57',\n sHshell: 'fff5ee',\n siFna: 'a0522d',\n silver: 'c0c0c0',\n skyXe: '87ceeb',\n UXe: '6a5acd',\n UWay: '708090',\n UgYy: '708090',\n snow: 'fffafa',\n sprRggYF: 'ff7f',\n stAlXe: '4682b4',\n tan: 'd2b48c',\n teO: '8080',\n tEstN: 'd8bfd8',\n tomato: 'ff6347',\n Qe: '40e0d0',\n viTet: 'ee82ee',\n JHt: 'f5deb3',\n wEte: 'ffffff',\n wEtesmoke: 'f5f5f5',\n Lw: 'ffff00',\n LwgYF: '9acd32'\n};\n\nfunction unpack() {\n var unpacked = {};\n var keys = Object.keys(names$1);\n var tkeys = Object.keys(map);\n var i, j, k, ok, nk;\n\n for (i = 0; i < keys.length; i++) {\n ok = nk = keys[i];\n\n for (j = 0; j < tkeys.length; j++) {\n k = tkeys[j];\n nk = nk.replace(k, map[k]);\n }\n\n k = parseInt(names$1[ok], 16);\n unpacked[nk] = [k >> 16 & 0xFF, k >> 8 & 0xFF, k & 0xFF];\n }\n\n return unpacked;\n}\n\nvar names;\n\nfunction nameParse(str) {\n if (!names) {\n names = unpack();\n names.transparent = [0, 0, 0, 0];\n }\n\n var a = names[str.toLowerCase()];\n return a && {\n r: a[0],\n g: a[1],\n b: a[2],\n a: a.length === 4 ? a[3] : 255\n };\n}\n\nvar RGB_RE = /^rgba?\\(\\s*([-+.\\d]+)(%)?[\\s,]+([-+.e\\d]+)(%)?[\\s,]+([-+.e\\d]+)(%)?(?:[\\s,/]+([-+.e\\d]+)(%)?)?\\s*\\)$/;\n\nfunction rgbParse(str) {\n var m = RGB_RE.exec(str);\n var a = 255;\n var r, g, b;\n\n if (!m) {\n return;\n }\n\n if (m[7] !== r) {\n var v = +m[7];\n a = m[8] ? p2b(v) : lim(v * 255, 0, 255);\n }\n\n r = +m[1];\n g = +m[3];\n b = +m[5];\n r = 255 & (m[2] ? p2b(r) : lim(r, 0, 255));\n g = 255 & (m[4] ? p2b(g) : lim(g, 0, 255));\n b = 255 & (m[6] ? p2b(b) : lim(b, 0, 255));\n return {\n r: r,\n g: g,\n b: b,\n a: a\n };\n}\n\nfunction _rgbString(v) {\n return v && (v.a < 255 ? \"rgba(\".concat(v.r, \", \").concat(v.g, \", \").concat(v.b, \", \").concat(b2n(v.a), \")\") : \"rgb(\".concat(v.r, \", \").concat(v.g, \", \").concat(v.b, \")\"));\n}\n\nvar to = function to(v) {\n return v <= 0.0031308 ? v * 12.92 : Math.pow(v, 1.0 / 2.4) * 1.055 - 0.055;\n};\n\nvar from = function from(v) {\n return v <= 0.04045 ? v / 12.92 : Math.pow((v + 0.055) / 1.055, 2.4);\n};\n\nfunction _interpolate(rgb1, rgb2, t) {\n var r = from(b2n(rgb1.r));\n var g = from(b2n(rgb1.g));\n var b = from(b2n(rgb1.b));\n return {\n r: n2b(to(r + t * (from(b2n(rgb2.r)) - r))),\n g: n2b(to(g + t * (from(b2n(rgb2.g)) - g))),\n b: n2b(to(b + t * (from(b2n(rgb2.b)) - b))),\n a: rgb1.a + t * (rgb2.a - rgb1.a)\n };\n}\n\nfunction modHSL(v, i, ratio) {\n if (v) {\n var tmp = rgb2hsl(v);\n tmp[i] = Math.max(0, Math.min(tmp[i] + tmp[i] * ratio, i === 0 ? 360 : 1));\n tmp = hsl2rgb(tmp);\n v.r = tmp[0];\n v.g = tmp[1];\n v.b = tmp[2];\n }\n}\n\nfunction clone(v, proto) {\n return v ? Object.assign(proto || {}, v) : v;\n}\n\nfunction fromObject(input) {\n var v = {\n r: 0,\n g: 0,\n b: 0,\n a: 255\n };\n\n if (Array.isArray(input)) {\n if (input.length >= 3) {\n v = {\n r: input[0],\n g: input[1],\n b: input[2],\n a: 255\n };\n\n if (input.length > 3) {\n v.a = n2b(input[3]);\n }\n }\n } else {\n v = clone(input, {\n r: 0,\n g: 0,\n b: 0,\n a: 1\n });\n v.a = n2b(v.a);\n }\n\n return v;\n}\n\nfunction functionParse(str) {\n if (str.charAt(0) === 'r') {\n return rgbParse(str);\n }\n\n return hueParse(str);\n}\n\nvar Color = /*#__PURE__*/function () {\n function Color(input) {\n _classCallCheck(this, Color);\n\n if (input instanceof Color) {\n return input;\n }\n\n var type = _typeof(input);\n\n var v;\n\n if (type === 'object') {\n v = fromObject(input);\n } else if (type === 'string') {\n v = hexParse(input) || nameParse(input) || functionParse(input);\n }\n\n this._rgb = v;\n this._valid = !!v;\n }\n\n _createClass(Color, [{\n key: \"valid\",\n get: function get() {\n return this._valid;\n }\n }, {\n key: \"rgb\",\n get: function get() {\n var v = clone(this._rgb);\n\n if (v) {\n v.a = b2n(v.a);\n }\n\n return v;\n },\n set: function set(obj) {\n this._rgb = fromObject(obj);\n }\n }, {\n key: \"rgbString\",\n value: function rgbString() {\n return this._valid ? _rgbString(this._rgb) : undefined;\n }\n }, {\n key: \"hexString\",\n value: function hexString() {\n return this._valid ? _hexString(this._rgb) : undefined;\n }\n }, {\n key: \"hslString\",\n value: function hslString() {\n return this._valid ? _hslString(this._rgb) : undefined;\n }\n }, {\n key: \"mix\",\n value: function mix(color, weight) {\n if (color) {\n var c1 = this.rgb;\n var c2 = color.rgb;\n var w2;\n var p = weight === w2 ? 0.5 : weight;\n var w = 2 * p - 1;\n var a = c1.a - c2.a;\n var w1 = ((w * a === -1 ? w : (w + a) / (1 + w * a)) + 1) / 2.0;\n w2 = 1 - w1;\n c1.r = 0xFF & w1 * c1.r + w2 * c2.r + 0.5;\n c1.g = 0xFF & w1 * c1.g + w2 * c2.g + 0.5;\n c1.b = 0xFF & w1 * c1.b + w2 * c2.b + 0.5;\n c1.a = p * c1.a + (1 - p) * c2.a;\n this.rgb = c1;\n }\n\n return this;\n }\n }, {\n key: \"interpolate\",\n value: function interpolate(color, t) {\n if (color) {\n this._rgb = _interpolate(this._rgb, color._rgb, t);\n }\n\n return this;\n }\n }, {\n key: \"clone\",\n value: function clone() {\n return new Color(this.rgb);\n }\n }, {\n key: \"alpha\",\n value: function alpha(a) {\n this._rgb.a = n2b(a);\n return this;\n }\n }, {\n key: \"clearer\",\n value: function clearer(ratio) {\n var rgb = this._rgb;\n rgb.a *= 1 - ratio;\n return this;\n }\n }, {\n key: \"greyscale\",\n value: function greyscale() {\n var rgb = this._rgb;\n var val = round(rgb.r * 0.3 + rgb.g * 0.59 + rgb.b * 0.11);\n rgb.r = rgb.g = rgb.b = val;\n return this;\n }\n }, {\n key: \"opaquer\",\n value: function opaquer(ratio) {\n var rgb = this._rgb;\n rgb.a *= 1 + ratio;\n return this;\n }\n }, {\n key: \"negate\",\n value: function negate() {\n var v = this._rgb;\n v.r = 255 - v.r;\n v.g = 255 - v.g;\n v.b = 255 - v.b;\n return this;\n }\n }, {\n key: \"lighten\",\n value: function lighten(ratio) {\n modHSL(this._rgb, 2, ratio);\n return this;\n }\n }, {\n key: \"darken\",\n value: function darken(ratio) {\n modHSL(this._rgb, 2, -ratio);\n return this;\n }\n }, {\n key: \"saturate\",\n value: function saturate(ratio) {\n modHSL(this._rgb, 1, ratio);\n return this;\n }\n }, {\n key: \"desaturate\",\n value: function desaturate(ratio) {\n modHSL(this._rgb, 1, -ratio);\n return this;\n }\n }, {\n key: \"rotate\",\n value: function rotate(deg) {\n _rotate(this._rgb, deg);\n\n return this;\n }\n }]);\n\n return Color;\n}();\n\nfunction index_esm(input) {\n return new Color(input);\n}\n\nfunction isPatternOrGradient(value) {\n if (value && _typeof(value) === 'object') {\n var type = value.toString();\n return type === '[object CanvasPattern]' || type === '[object CanvasGradient]';\n }\n\n return false;\n}\n\nfunction color(value) {\n return isPatternOrGradient(value) ? value : index_esm(value);\n}\n\nfunction getHoverColor(value) {\n return isPatternOrGradient(value) ? value : index_esm(value).saturate(0.5).darken(0.1).hexString();\n}\n\nvar overrides = Object.create(null);\nvar descriptors = Object.create(null);\n\nfunction getScope$1(node, key) {\n if (!key) {\n return node;\n }\n\n var keys = key.split('.');\n\n for (var i = 0, n = keys.length; i < n; ++i) {\n var k = keys[i];\n node = node[k] || (node[k] = Object.create(null));\n }\n\n return node;\n}\n\nfunction _set(root, scope, values) {\n if (typeof scope === 'string') {\n return merge(getScope$1(root, scope), values);\n }\n\n return merge(getScope$1(root, ''), scope);\n}\n\nvar Defaults = /*#__PURE__*/function () {\n function Defaults(_descriptors) {\n _classCallCheck(this, Defaults);\n\n this.animation = undefined;\n this.backgroundColor = 'rgba(0,0,0,0.1)';\n this.borderColor = 'rgba(0,0,0,0.1)';\n this.color = '#666';\n this.datasets = {};\n\n this.devicePixelRatio = function (context) {\n return context.chart.platform.getDevicePixelRatio();\n };\n\n this.elements = {};\n this.events = ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'];\n this.font = {\n family: \"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif\",\n size: 12,\n style: 'normal',\n lineHeight: 1.2,\n weight: null\n };\n this.hover = {};\n\n this.hoverBackgroundColor = function (ctx, options) {\n return getHoverColor(options.backgroundColor);\n };\n\n this.hoverBorderColor = function (ctx, options) {\n return getHoverColor(options.borderColor);\n };\n\n this.hoverColor = function (ctx, options) {\n return getHoverColor(options.color);\n };\n\n this.indexAxis = 'x';\n this.interaction = {\n mode: 'nearest',\n intersect: true,\n includeInvisible: false\n };\n this.maintainAspectRatio = true;\n this.onHover = null;\n this.onClick = null;\n this.parsing = true;\n this.plugins = {};\n this.responsive = true;\n this.scale = undefined;\n this.scales = {};\n this.showLine = true;\n this.drawActiveElementsOnTop = true;\n this.describe(_descriptors);\n }\n\n _createClass(Defaults, [{\n key: \"set\",\n value: function set(scope, values) {\n return _set(this, scope, values);\n }\n }, {\n key: \"get\",\n value: function get(scope) {\n return getScope$1(this, scope);\n }\n }, {\n key: \"describe\",\n value: function describe(scope, values) {\n return _set(descriptors, scope, values);\n }\n }, {\n key: \"override\",\n value: function override(scope, values) {\n return _set(overrides, scope, values);\n }\n }, {\n key: \"route\",\n value: function route(scope, name, targetScope, targetName) {\n var _Object$definePropert;\n\n var scopeObject = getScope$1(this, scope);\n var targetScopeObject = getScope$1(this, targetScope);\n var privateName = '_' + name;\n Object.defineProperties(scopeObject, (_Object$definePropert = {}, _defineProperty(_Object$definePropert, privateName, {\n value: scopeObject[name],\n writable: true\n }), _defineProperty(_Object$definePropert, name, {\n enumerable: true,\n get: function get() {\n var local = this[privateName];\n var target = targetScopeObject[targetName];\n\n if (isObject(local)) {\n return Object.assign({}, target, local);\n }\n\n return valueOrDefault(local, target);\n },\n set: function set(value) {\n this[privateName] = value;\n }\n }), _Object$definePropert));\n }\n }]);\n\n return Defaults;\n}();\n\nvar defaults = new Defaults({\n _scriptable: function _scriptable(name) {\n return !name.startsWith('on');\n },\n _indexable: function _indexable(name) {\n return name !== 'events';\n },\n hover: {\n _fallback: 'interaction'\n },\n interaction: {\n _scriptable: false,\n _indexable: false\n }\n});\n\nfunction toFontString(font) {\n if (!font || isNullOrUndef(font.size) || isNullOrUndef(font.family)) {\n return null;\n }\n\n return (font.style ? font.style + ' ' : '') + (font.weight ? font.weight + ' ' : '') + font.size + 'px ' + font.family;\n}\n\nfunction _measureText(ctx, data, gc, longest, string) {\n var textWidth = data[string];\n\n if (!textWidth) {\n textWidth = data[string] = ctx.measureText(string).width;\n gc.push(string);\n }\n\n if (textWidth > longest) {\n longest = textWidth;\n }\n\n return longest;\n}\n\nfunction _longestText(ctx, font, arrayOfThings, cache) {\n cache = cache || {};\n var data = cache.data = cache.data || {};\n var gc = cache.garbageCollect = cache.garbageCollect || [];\n\n if (cache.font !== font) {\n data = cache.data = {};\n gc = cache.garbageCollect = [];\n cache.font = font;\n }\n\n ctx.save();\n ctx.font = font;\n var longest = 0;\n var ilen = arrayOfThings.length;\n var i, j, jlen, thing, nestedThing;\n\n for (i = 0; i < ilen; i++) {\n thing = arrayOfThings[i];\n\n if (thing !== undefined && thing !== null && isArray(thing) !== true) {\n longest = _measureText(ctx, data, gc, longest, thing);\n } else if (isArray(thing)) {\n for (j = 0, jlen = thing.length; j < jlen; j++) {\n nestedThing = thing[j];\n\n if (nestedThing !== undefined && nestedThing !== null && !isArray(nestedThing)) {\n longest = _measureText(ctx, data, gc, longest, nestedThing);\n }\n }\n }\n }\n\n ctx.restore();\n var gcLen = gc.length / 2;\n\n if (gcLen > arrayOfThings.length) {\n for (i = 0; i < gcLen; i++) {\n delete data[gc[i]];\n }\n\n gc.splice(0, gcLen);\n }\n\n return longest;\n}\n\nfunction _alignPixel(chart, pixel, width) {\n var devicePixelRatio = chart.currentDevicePixelRatio;\n var halfWidth = width !== 0 ? Math.max(width / 2, 0.5) : 0;\n return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth;\n}\n\nfunction clearCanvas(canvas, ctx) {\n ctx = ctx || canvas.getContext('2d');\n ctx.save();\n ctx.resetTransform();\n ctx.clearRect(0, 0, canvas.width, canvas.height);\n ctx.restore();\n}\n\nfunction drawPoint(ctx, options, x, y) {\n drawPointLegend(ctx, options, x, y, null);\n}\n\nfunction drawPointLegend(ctx, options, x, y, w) {\n var type, xOffset, yOffset, size, cornerRadius, width;\n var style = options.pointStyle;\n var rotation = options.rotation;\n var radius = options.radius;\n var rad = (rotation || 0) * RAD_PER_DEG;\n\n if (style && _typeof(style) === 'object') {\n type = style.toString();\n\n if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {\n ctx.save();\n ctx.translate(x, y);\n ctx.rotate(rad);\n ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height);\n ctx.restore();\n return;\n }\n }\n\n if (isNaN(radius) || radius <= 0) {\n return;\n }\n\n ctx.beginPath();\n\n switch (style) {\n default:\n if (w) {\n ctx.ellipse(x, y, w / 2, radius, 0, 0, TAU);\n } else {\n ctx.arc(x, y, radius, 0, TAU);\n }\n\n ctx.closePath();\n break;\n\n case 'triangle':\n ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\n rad += TWO_THIRDS_PI;\n ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\n rad += TWO_THIRDS_PI;\n ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\n ctx.closePath();\n break;\n\n case 'rectRounded':\n cornerRadius = radius * 0.516;\n size = radius - cornerRadius;\n xOffset = Math.cos(rad + QUARTER_PI) * size;\n yOffset = Math.sin(rad + QUARTER_PI) * size;\n ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI);\n ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad);\n ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI);\n ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI);\n ctx.closePath();\n break;\n\n case 'rect':\n if (!rotation) {\n size = Math.SQRT1_2 * radius;\n width = w ? w / 2 : size;\n ctx.rect(x - width, y - size, 2 * width, 2 * size);\n break;\n }\n\n rad += QUARTER_PI;\n\n case 'rectRot':\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + yOffset, y - xOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n ctx.closePath();\n break;\n\n case 'crossRot':\n rad += QUARTER_PI;\n\n case 'cross':\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x + yOffset, y - xOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n break;\n\n case 'star':\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x + yOffset, y - xOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n rad += QUARTER_PI;\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x + yOffset, y - xOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n break;\n\n case 'line':\n xOffset = w ? w / 2 : Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n break;\n\n case 'dash':\n ctx.moveTo(x, y);\n ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius);\n break;\n }\n\n ctx.fill();\n\n if (options.borderWidth > 0) {\n ctx.stroke();\n }\n}\n\nfunction _isPointInArea(point, area, margin) {\n margin = margin || 0.5;\n return !area || point && point.x > area.left - margin && point.x < area.right + margin && point.y > area.top - margin && point.y < area.bottom + margin;\n}\n\nfunction clipArea(ctx, area) {\n ctx.save();\n ctx.beginPath();\n ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);\n ctx.clip();\n}\n\nfunction unclipArea(ctx) {\n ctx.restore();\n}\n\nfunction _steppedLineTo(ctx, previous, target, flip, mode) {\n if (!previous) {\n return ctx.lineTo(target.x, target.y);\n }\n\n if (mode === 'middle') {\n var midpoint = (previous.x + target.x) / 2.0;\n ctx.lineTo(midpoint, previous.y);\n ctx.lineTo(midpoint, target.y);\n } else if (mode === 'after' !== !!flip) {\n ctx.lineTo(previous.x, target.y);\n } else {\n ctx.lineTo(target.x, previous.y);\n }\n\n ctx.lineTo(target.x, target.y);\n}\n\nfunction _bezierCurveTo(ctx, previous, target, flip) {\n if (!previous) {\n return ctx.lineTo(target.x, target.y);\n }\n\n ctx.bezierCurveTo(flip ? previous.cp1x : previous.cp2x, flip ? previous.cp1y : previous.cp2y, flip ? target.cp2x : target.cp1x, flip ? target.cp2y : target.cp1y, target.x, target.y);\n}\n\nfunction renderText(ctx, text, x, y, font) {\n var opts = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {};\n var lines = isArray(text) ? text : [text];\n var stroke = opts.strokeWidth > 0 && opts.strokeColor !== '';\n var i, line;\n ctx.save();\n ctx.font = font.string;\n setRenderOpts(ctx, opts);\n\n for (i = 0; i < lines.length; ++i) {\n line = lines[i];\n\n if (stroke) {\n if (opts.strokeColor) {\n ctx.strokeStyle = opts.strokeColor;\n }\n\n if (!isNullOrUndef(opts.strokeWidth)) {\n ctx.lineWidth = opts.strokeWidth;\n }\n\n ctx.strokeText(line, x, y, opts.maxWidth);\n }\n\n ctx.fillText(line, x, y, opts.maxWidth);\n decorateText(ctx, x, y, line, opts);\n y += font.lineHeight;\n }\n\n ctx.restore();\n}\n\nfunction setRenderOpts(ctx, opts) {\n if (opts.translation) {\n ctx.translate(opts.translation[0], opts.translation[1]);\n }\n\n if (!isNullOrUndef(opts.rotation)) {\n ctx.rotate(opts.rotation);\n }\n\n if (opts.color) {\n ctx.fillStyle = opts.color;\n }\n\n if (opts.textAlign) {\n ctx.textAlign = opts.textAlign;\n }\n\n if (opts.textBaseline) {\n ctx.textBaseline = opts.textBaseline;\n }\n}\n\nfunction decorateText(ctx, x, y, line, opts) {\n if (opts.strikethrough || opts.underline) {\n var metrics = ctx.measureText(line);\n var left = x - metrics.actualBoundingBoxLeft;\n var right = x + metrics.actualBoundingBoxRight;\n var top = y - metrics.actualBoundingBoxAscent;\n var bottom = y + metrics.actualBoundingBoxDescent;\n var yDecoration = opts.strikethrough ? (top + bottom) / 2 : bottom;\n ctx.strokeStyle = ctx.fillStyle;\n ctx.beginPath();\n ctx.lineWidth = opts.decorationWidth || 2;\n ctx.moveTo(left, yDecoration);\n ctx.lineTo(right, yDecoration);\n ctx.stroke();\n }\n}\n\nfunction addRoundedRectPath(ctx, rect) {\n var x = rect.x,\n y = rect.y,\n w = rect.w,\n h = rect.h,\n radius = rect.radius;\n ctx.arc(x + radius.topLeft, y + radius.topLeft, radius.topLeft, -HALF_PI, PI, true);\n ctx.lineTo(x, y + h - radius.bottomLeft);\n ctx.arc(x + radius.bottomLeft, y + h - radius.bottomLeft, radius.bottomLeft, PI, HALF_PI, true);\n ctx.lineTo(x + w - radius.bottomRight, y + h);\n ctx.arc(x + w - radius.bottomRight, y + h - radius.bottomRight, radius.bottomRight, HALF_PI, 0, true);\n ctx.lineTo(x + w, y + radius.topRight);\n ctx.arc(x + w - radius.topRight, y + radius.topRight, radius.topRight, 0, -HALF_PI, true);\n ctx.lineTo(x + radius.topLeft, y);\n}\n\nvar LINE_HEIGHT = new RegExp(/^(normal|(\\d+(?:\\.\\d+)?)(px|em|%)?)$/);\nvar FONT_STYLE = new RegExp(/^(normal|italic|initial|inherit|unset|(oblique( -?[0-9]?[0-9]deg)?))$/);\n\nfunction toLineHeight(value, size) {\n var matches = ('' + value).match(LINE_HEIGHT);\n\n if (!matches || matches[1] === 'normal') {\n return size * 1.2;\n }\n\n value = +matches[2];\n\n switch (matches[3]) {\n case 'px':\n return value;\n\n case '%':\n value /= 100;\n break;\n }\n\n return size * value;\n}\n\nvar numberOrZero = function numberOrZero(v) {\n return +v || 0;\n};\n\nfunction _readValueToProps(value, props) {\n var ret = {};\n var objProps = isObject(props);\n var keys = objProps ? Object.keys(props) : props;\n var read = isObject(value) ? objProps ? function (prop) {\n return valueOrDefault(value[prop], value[props[prop]]);\n } : function (prop) {\n return value[prop];\n } : function () {\n return value;\n };\n\n var _iterator4 = _createForOfIteratorHelper(keys),\n _step4;\n\n try {\n for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {\n var prop = _step4.value;\n ret[prop] = numberOrZero(read(prop));\n }\n } catch (err) {\n _iterator4.e(err);\n } finally {\n _iterator4.f();\n }\n\n return ret;\n}\n\nfunction toTRBL(value) {\n return _readValueToProps(value, {\n top: 'y',\n right: 'x',\n bottom: 'y',\n left: 'x'\n });\n}\n\nfunction toTRBLCorners(value) {\n return _readValueToProps(value, ['topLeft', 'topRight', 'bottomLeft', 'bottomRight']);\n}\n\nfunction toPadding(value) {\n var obj = toTRBL(value);\n obj.width = obj.left + obj.right;\n obj.height = obj.top + obj.bottom;\n return obj;\n}\n\nfunction toFont(options, fallback) {\n options = options || {};\n fallback = fallback || defaults.font;\n var size = valueOrDefault(options.size, fallback.size);\n\n if (typeof size === 'string') {\n size = parseInt(size, 10);\n }\n\n var style = valueOrDefault(options.style, fallback.style);\n\n if (style && !('' + style).match(FONT_STYLE)) {\n console.warn('Invalid font style specified: \"' + style + '\"');\n style = '';\n }\n\n var font = {\n family: valueOrDefault(options.family, fallback.family),\n lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size),\n size: size,\n style: style,\n weight: valueOrDefault(options.weight, fallback.weight),\n string: ''\n };\n font.string = toFontString(font);\n return font;\n}\n\nfunction resolve(inputs, context, index, info) {\n var cacheable = true;\n var i, ilen, value;\n\n for (i = 0, ilen = inputs.length; i < ilen; ++i) {\n value = inputs[i];\n\n if (value === undefined) {\n continue;\n }\n\n if (context !== undefined && typeof value === 'function') {\n value = value(context);\n cacheable = false;\n }\n\n if (index !== undefined && isArray(value)) {\n value = value[index % value.length];\n cacheable = false;\n }\n\n if (value !== undefined) {\n if (info && !cacheable) {\n info.cacheable = false;\n }\n\n return value;\n }\n }\n}\n\nfunction _addGrace(minmax, grace, beginAtZero) {\n var min = minmax.min,\n max = minmax.max;\n var change = toDimension(grace, (max - min) / 2);\n\n var keepZero = function keepZero(value, add) {\n return beginAtZero && value === 0 ? 0 : value + add;\n };\n\n return {\n min: keepZero(min, -Math.abs(change)),\n max: keepZero(max, change)\n };\n}\n\nfunction createContext(parentContext, context) {\n return Object.assign(Object.create(parentContext), context);\n}\n\nfunction _createResolver(scopes) {\n var _cache;\n\n var prefixes = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [''];\n var rootScopes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : scopes;\n var fallback = arguments.length > 3 ? arguments[3] : undefined;\n var getTarget = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : function () {\n return scopes[0];\n };\n\n if (!defined(fallback)) {\n fallback = _resolve('_fallback', scopes);\n }\n\n var cache = (_cache = {}, _defineProperty(_cache, Symbol.toStringTag, 'Object'), _defineProperty(_cache, \"_cacheable\", true), _defineProperty(_cache, \"_scopes\", scopes), _defineProperty(_cache, \"_rootScopes\", rootScopes), _defineProperty(_cache, \"_fallback\", fallback), _defineProperty(_cache, \"_getTarget\", getTarget), _defineProperty(_cache, \"override\", function override(scope) {\n return _createResolver([scope].concat(_toConsumableArray(scopes)), prefixes, rootScopes, fallback);\n }), _cache);\n return new Proxy(cache, {\n deleteProperty: function deleteProperty(target, prop) {\n delete target[prop];\n delete target._keys;\n delete scopes[0][prop];\n return true;\n },\n get: function get(target, prop) {\n return _cached(target, prop, function () {\n return _resolveWithPrefixes(prop, prefixes, scopes, target);\n });\n },\n getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, prop) {\n return Reflect.getOwnPropertyDescriptor(target._scopes[0], prop);\n },\n getPrototypeOf: function getPrototypeOf() {\n return Reflect.getPrototypeOf(scopes[0]);\n },\n has: function has(target, prop) {\n return getKeysFromAllScopes(target).includes(prop);\n },\n ownKeys: function ownKeys(target) {\n return getKeysFromAllScopes(target);\n },\n set: function set(target, prop, value) {\n var storage = target._storage || (target._storage = getTarget());\n target[prop] = storage[prop] = value;\n delete target._keys;\n return true;\n }\n });\n}\n\nfunction _attachContext(proxy, context, subProxy, descriptorDefaults) {\n var cache = {\n _cacheable: false,\n _proxy: proxy,\n _context: context,\n _subProxy: subProxy,\n _stack: new Set(),\n _descriptors: _descriptors(proxy, descriptorDefaults),\n setContext: function setContext(ctx) {\n return _attachContext(proxy, ctx, subProxy, descriptorDefaults);\n },\n override: function override(scope) {\n return _attachContext(proxy.override(scope), context, subProxy, descriptorDefaults);\n }\n };\n return new Proxy(cache, {\n deleteProperty: function deleteProperty(target, prop) {\n delete target[prop];\n delete proxy[prop];\n return true;\n },\n get: function get(target, prop, receiver) {\n return _cached(target, prop, function () {\n return _resolveWithContext(target, prop, receiver);\n });\n },\n getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, prop) {\n return target._descriptors.allKeys ? Reflect.has(proxy, prop) ? {\n enumerable: true,\n configurable: true\n } : undefined : Reflect.getOwnPropertyDescriptor(proxy, prop);\n },\n getPrototypeOf: function getPrototypeOf() {\n return Reflect.getPrototypeOf(proxy);\n },\n has: function has(target, prop) {\n return Reflect.has(proxy, prop);\n },\n ownKeys: function ownKeys() {\n return Reflect.ownKeys(proxy);\n },\n set: function set(target, prop, value) {\n proxy[prop] = value;\n delete target[prop];\n return true;\n }\n });\n}\n\nfunction _descriptors(proxy) {\n var defaults = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n scriptable: true,\n indexable: true\n };\n\n var _proxy$_scriptable = proxy._scriptable,\n _scriptable = _proxy$_scriptable === void 0 ? defaults.scriptable : _proxy$_scriptable,\n _proxy$_indexable = proxy._indexable,\n _indexable = _proxy$_indexable === void 0 ? defaults.indexable : _proxy$_indexable,\n _proxy$_allKeys = proxy._allKeys,\n _allKeys = _proxy$_allKeys === void 0 ? defaults.allKeys : _proxy$_allKeys;\n\n return {\n allKeys: _allKeys,\n scriptable: _scriptable,\n indexable: _indexable,\n isScriptable: isFunction(_scriptable) ? _scriptable : function () {\n return _scriptable;\n },\n isIndexable: isFunction(_indexable) ? _indexable : function () {\n return _indexable;\n }\n };\n}\n\nvar readKey = function readKey(prefix, name) {\n return prefix ? prefix + _capitalize(name) : name;\n};\n\nvar needsSubResolver = function needsSubResolver(prop, value) {\n return isObject(value) && prop !== 'adapters' && (Object.getPrototypeOf(value) === null || value.constructor === Object);\n};\n\nfunction _cached(target, prop, resolve) {\n if (Object.prototype.hasOwnProperty.call(target, prop)) {\n return target[prop];\n }\n\n var value = resolve();\n target[prop] = value;\n return value;\n}\n\nfunction _resolveWithContext(target, prop, receiver) {\n var _proxy = target._proxy,\n _context = target._context,\n _subProxy = target._subProxy,\n descriptors = target._descriptors;\n var value = _proxy[prop];\n\n if (isFunction(value) && descriptors.isScriptable(prop)) {\n value = _resolveScriptable(prop, value, target, receiver);\n }\n\n if (isArray(value) && value.length) {\n value = _resolveArray(prop, value, target, descriptors.isIndexable);\n }\n\n if (needsSubResolver(prop, value)) {\n value = _attachContext(value, _context, _subProxy && _subProxy[prop], descriptors);\n }\n\n return value;\n}\n\nfunction _resolveScriptable(prop, value, target, receiver) {\n var _proxy = target._proxy,\n _context = target._context,\n _subProxy = target._subProxy,\n _stack = target._stack;\n\n if (_stack.has(prop)) {\n throw new Error('Recursion detected: ' + Array.from(_stack).join('->') + '->' + prop);\n }\n\n _stack.add(prop);\n\n value = value(_context, _subProxy || receiver);\n\n _stack[\"delete\"](prop);\n\n if (needsSubResolver(prop, value)) {\n value = createSubResolver(_proxy._scopes, _proxy, prop, value);\n }\n\n return value;\n}\n\nfunction _resolveArray(prop, value, target, isIndexable) {\n var _proxy = target._proxy,\n _context = target._context,\n _subProxy = target._subProxy,\n descriptors = target._descriptors;\n\n if (defined(_context.index) && isIndexable(prop)) {\n value = value[_context.index % value.length];\n } else if (isObject(value[0])) {\n var arr = value;\n\n var scopes = _proxy._scopes.filter(function (s) {\n return s !== arr;\n });\n\n value = [];\n\n var _iterator5 = _createForOfIteratorHelper(arr),\n _step5;\n\n try {\n for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {\n var item = _step5.value;\n var resolver = createSubResolver(scopes, _proxy, prop, item);\n value.push(_attachContext(resolver, _context, _subProxy && _subProxy[prop], descriptors));\n }\n } catch (err) {\n _iterator5.e(err);\n } finally {\n _iterator5.f();\n }\n }\n\n return value;\n}\n\nfunction resolveFallback(fallback, prop, value) {\n return isFunction(fallback) ? fallback(prop, value) : fallback;\n}\n\nvar getScope = function getScope(key, parent) {\n return key === true ? parent : typeof key === 'string' ? resolveObjectKey(parent, key) : undefined;\n};\n\nfunction addScopes(set, parentScopes, key, parentFallback, value) {\n var _iterator6 = _createForOfIteratorHelper(parentScopes),\n _step6;\n\n try {\n for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {\n var parent = _step6.value;\n var scope = getScope(key, parent);\n\n if (scope) {\n set.add(scope);\n var fallback = resolveFallback(scope._fallback, key, value);\n\n if (defined(fallback) && fallback !== key && fallback !== parentFallback) {\n return fallback;\n }\n } else if (scope === false && defined(parentFallback) && key !== parentFallback) {\n return null;\n }\n }\n } catch (err) {\n _iterator6.e(err);\n } finally {\n _iterator6.f();\n }\n\n return false;\n}\n\nfunction createSubResolver(parentScopes, resolver, prop, value) {\n var rootScopes = resolver._rootScopes;\n var fallback = resolveFallback(resolver._fallback, prop, value);\n var allScopes = [].concat(_toConsumableArray(parentScopes), _toConsumableArray(rootScopes));\n var set = new Set();\n set.add(value);\n var key = addScopesFromKey(set, allScopes, prop, fallback || prop, value);\n\n if (key === null) {\n return false;\n }\n\n if (defined(fallback) && fallback !== prop) {\n key = addScopesFromKey(set, allScopes, fallback, key, value);\n\n if (key === null) {\n return false;\n }\n }\n\n return _createResolver(Array.from(set), [''], rootScopes, fallback, function () {\n return subGetTarget(resolver, prop, value);\n });\n}\n\nfunction addScopesFromKey(set, allScopes, key, fallback, item) {\n while (key) {\n key = addScopes(set, allScopes, key, fallback, item);\n }\n\n return key;\n}\n\nfunction subGetTarget(resolver, prop, value) {\n var parent = resolver._getTarget();\n\n if (!(prop in parent)) {\n parent[prop] = {};\n }\n\n var target = parent[prop];\n\n if (isArray(target) && isObject(value)) {\n return value;\n }\n\n return target;\n}\n\nfunction _resolveWithPrefixes(prop, prefixes, scopes, proxy) {\n var value;\n\n var _iterator7 = _createForOfIteratorHelper(prefixes),\n _step7;\n\n try {\n for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {\n var prefix = _step7.value;\n value = _resolve(readKey(prefix, prop), scopes);\n\n if (defined(value)) {\n return needsSubResolver(prop, value) ? createSubResolver(scopes, proxy, prop, value) : value;\n }\n }\n } catch (err) {\n _iterator7.e(err);\n } finally {\n _iterator7.f();\n }\n}\n\nfunction _resolve(key, scopes) {\n var _iterator8 = _createForOfIteratorHelper(scopes),\n _step8;\n\n try {\n for (_iterator8.s(); !(_step8 = _iterator8.n()).done;) {\n var scope = _step8.value;\n\n if (!scope) {\n continue;\n }\n\n var value = scope[key];\n\n if (defined(value)) {\n return value;\n }\n }\n } catch (err) {\n _iterator8.e(err);\n } finally {\n _iterator8.f();\n }\n}\n\nfunction getKeysFromAllScopes(target) {\n var keys = target._keys;\n\n if (!keys) {\n keys = target._keys = resolveKeysFromAllScopes(target._scopes);\n }\n\n return keys;\n}\n\nfunction resolveKeysFromAllScopes(scopes) {\n var set = new Set();\n\n var _iterator9 = _createForOfIteratorHelper(scopes),\n _step9;\n\n try {\n for (_iterator9.s(); !(_step9 = _iterator9.n()).done;) {\n var scope = _step9.value;\n\n var _iterator10 = _createForOfIteratorHelper(Object.keys(scope).filter(function (k) {\n return !k.startsWith('_');\n })),\n _step10;\n\n try {\n for (_iterator10.s(); !(_step10 = _iterator10.n()).done;) {\n var key = _step10.value;\n set.add(key);\n }\n } catch (err) {\n _iterator10.e(err);\n } finally {\n _iterator10.f();\n }\n }\n } catch (err) {\n _iterator9.e(err);\n } finally {\n _iterator9.f();\n }\n\n return Array.from(set);\n}\n\nfunction _parseObjectDataRadialScale(meta, data, start, count) {\n var iScale = meta.iScale;\n var _this$_parsing$key = this._parsing.key,\n key = _this$_parsing$key === void 0 ? 'r' : _this$_parsing$key;\n var parsed = new Array(count);\n var i, ilen, index, item;\n\n for (i = 0, ilen = count; i < ilen; ++i) {\n index = i + start;\n item = data[index];\n parsed[i] = {\n r: iScale.parse(resolveObjectKey(item, key), index)\n };\n }\n\n return parsed;\n}\n\nvar EPSILON = Number.EPSILON || 1e-14;\n\nvar getPoint = function getPoint(points, i) {\n return i < points.length && !points[i].skip && points[i];\n};\n\nvar getValueAxis = function getValueAxis(indexAxis) {\n return indexAxis === 'x' ? 'y' : 'x';\n};\n\nfunction splineCurve(firstPoint, middlePoint, afterPoint, t) {\n var previous = firstPoint.skip ? middlePoint : firstPoint;\n var current = middlePoint;\n var next = afterPoint.skip ? middlePoint : afterPoint;\n var d01 = distanceBetweenPoints(current, previous);\n var d12 = distanceBetweenPoints(next, current);\n var s01 = d01 / (d01 + d12);\n var s12 = d12 / (d01 + d12);\n s01 = isNaN(s01) ? 0 : s01;\n s12 = isNaN(s12) ? 0 : s12;\n var fa = t * s01;\n var fb = t * s12;\n return {\n previous: {\n x: current.x - fa * (next.x - previous.x),\n y: current.y - fa * (next.y - previous.y)\n },\n next: {\n x: current.x + fb * (next.x - previous.x),\n y: current.y + fb * (next.y - previous.y)\n }\n };\n}\n\nfunction monotoneAdjust(points, deltaK, mK) {\n var pointsLen = points.length;\n var alphaK, betaK, tauK, squaredMagnitude, pointCurrent;\n var pointAfter = getPoint(points, 0);\n\n for (var i = 0; i < pointsLen - 1; ++i) {\n pointCurrent = pointAfter;\n pointAfter = getPoint(points, i + 1);\n\n if (!pointCurrent || !pointAfter) {\n continue;\n }\n\n if (almostEquals(deltaK[i], 0, EPSILON)) {\n mK[i] = mK[i + 1] = 0;\n continue;\n }\n\n alphaK = mK[i] / deltaK[i];\n betaK = mK[i + 1] / deltaK[i];\n squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);\n\n if (squaredMagnitude <= 9) {\n continue;\n }\n\n tauK = 3 / Math.sqrt(squaredMagnitude);\n mK[i] = alphaK * tauK * deltaK[i];\n mK[i + 1] = betaK * tauK * deltaK[i];\n }\n}\n\nfunction monotoneCompute(points, mK) {\n var indexAxis = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'x';\n var valueAxis = getValueAxis(indexAxis);\n var pointsLen = points.length;\n var delta, pointBefore, pointCurrent;\n var pointAfter = getPoint(points, 0);\n\n for (var i = 0; i < pointsLen; ++i) {\n pointBefore = pointCurrent;\n pointCurrent = pointAfter;\n pointAfter = getPoint(points, i + 1);\n\n if (!pointCurrent) {\n continue;\n }\n\n var iPixel = pointCurrent[indexAxis];\n var vPixel = pointCurrent[valueAxis];\n\n if (pointBefore) {\n delta = (iPixel - pointBefore[indexAxis]) / 3;\n pointCurrent[\"cp1\".concat(indexAxis)] = iPixel - delta;\n pointCurrent[\"cp1\".concat(valueAxis)] = vPixel - delta * mK[i];\n }\n\n if (pointAfter) {\n delta = (pointAfter[indexAxis] - iPixel) / 3;\n pointCurrent[\"cp2\".concat(indexAxis)] = iPixel + delta;\n pointCurrent[\"cp2\".concat(valueAxis)] = vPixel + delta * mK[i];\n }\n }\n}\n\nfunction splineCurveMonotone(points) {\n var indexAxis = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'x';\n var valueAxis = getValueAxis(indexAxis);\n var pointsLen = points.length;\n var deltaK = Array(pointsLen).fill(0);\n var mK = Array(pointsLen);\n var i, pointBefore, pointCurrent;\n var pointAfter = getPoint(points, 0);\n\n for (i = 0; i < pointsLen; ++i) {\n pointBefore = pointCurrent;\n pointCurrent = pointAfter;\n pointAfter = getPoint(points, i + 1);\n\n if (!pointCurrent) {\n continue;\n }\n\n if (pointAfter) {\n var slopeDelta = pointAfter[indexAxis] - pointCurrent[indexAxis];\n deltaK[i] = slopeDelta !== 0 ? (pointAfter[valueAxis] - pointCurrent[valueAxis]) / slopeDelta : 0;\n }\n\n mK[i] = !pointBefore ? deltaK[i] : !pointAfter ? deltaK[i - 1] : sign(deltaK[i - 1]) !== sign(deltaK[i]) ? 0 : (deltaK[i - 1] + deltaK[i]) / 2;\n }\n\n monotoneAdjust(points, deltaK, mK);\n monotoneCompute(points, mK, indexAxis);\n}\n\nfunction capControlPoint(pt, min, max) {\n return Math.max(Math.min(pt, max), min);\n}\n\nfunction capBezierPoints(points, area) {\n var i, ilen, point, inArea, inAreaPrev;\n\n var inAreaNext = _isPointInArea(points[0], area);\n\n for (i = 0, ilen = points.length; i < ilen; ++i) {\n inAreaPrev = inArea;\n inArea = inAreaNext;\n inAreaNext = i < ilen - 1 && _isPointInArea(points[i + 1], area);\n\n if (!inArea) {\n continue;\n }\n\n point = points[i];\n\n if (inAreaPrev) {\n point.cp1x = capControlPoint(point.cp1x, area.left, area.right);\n point.cp1y = capControlPoint(point.cp1y, area.top, area.bottom);\n }\n\n if (inAreaNext) {\n point.cp2x = capControlPoint(point.cp2x, area.left, area.right);\n point.cp2y = capControlPoint(point.cp2y, area.top, area.bottom);\n }\n }\n}\n\nfunction _updateBezierControlPoints(points, options, area, loop, indexAxis) {\n var i, ilen, point, controlPoints;\n\n if (options.spanGaps) {\n points = points.filter(function (pt) {\n return !pt.skip;\n });\n }\n\n if (options.cubicInterpolationMode === 'monotone') {\n splineCurveMonotone(points, indexAxis);\n } else {\n var prev = loop ? points[points.length - 1] : points[0];\n\n for (i = 0, ilen = points.length; i < ilen; ++i) {\n point = points[i];\n controlPoints = splineCurve(prev, point, points[Math.min(i + 1, ilen - (loop ? 0 : 1)) % ilen], options.tension);\n point.cp1x = controlPoints.previous.x;\n point.cp1y = controlPoints.previous.y;\n point.cp2x = controlPoints.next.x;\n point.cp2y = controlPoints.next.y;\n prev = point;\n }\n }\n\n if (options.capBezierPoints) {\n capBezierPoints(points, area);\n }\n}\n\nfunction _isDomSupported() {\n return typeof window !== 'undefined' && typeof document !== 'undefined';\n}\n\nfunction _getParentNode(domNode) {\n var parent = domNode.parentNode;\n\n if (parent && parent.toString() === '[object ShadowRoot]') {\n parent = parent.host;\n }\n\n return parent;\n}\n\nfunction parseMaxStyle(styleValue, node, parentProperty) {\n var valueInPixels;\n\n if (typeof styleValue === 'string') {\n valueInPixels = parseInt(styleValue, 10);\n\n if (styleValue.indexOf('%') !== -1) {\n valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];\n }\n } else {\n valueInPixels = styleValue;\n }\n\n return valueInPixels;\n}\n\nvar getComputedStyle = function getComputedStyle(element) {\n return window.getComputedStyle(element, null);\n};\n\nfunction getStyle(el, property) {\n return getComputedStyle(el).getPropertyValue(property);\n}\n\nvar positions = ['top', 'right', 'bottom', 'left'];\n\nfunction getPositionedStyle(styles, style, suffix) {\n var result = {};\n suffix = suffix ? '-' + suffix : '';\n\n for (var i = 0; i < 4; i++) {\n var pos = positions[i];\n result[pos] = parseFloat(styles[style + '-' + pos + suffix]) || 0;\n }\n\n result.width = result.left + result.right;\n result.height = result.top + result.bottom;\n return result;\n}\n\nvar useOffsetPos = function useOffsetPos(x, y, target) {\n return (x > 0 || y > 0) && (!target || !target.shadowRoot);\n};\n\nfunction getCanvasPosition(e, canvas) {\n var touches = e.touches;\n var source = touches && touches.length ? touches[0] : e;\n var offsetX = source.offsetX,\n offsetY = source.offsetY;\n var box = false;\n var x, y;\n\n if (useOffsetPos(offsetX, offsetY, e.target)) {\n x = offsetX;\n y = offsetY;\n } else {\n var rect = canvas.getBoundingClientRect();\n x = source.clientX - rect.left;\n y = source.clientY - rect.top;\n box = true;\n }\n\n return {\n x: x,\n y: y,\n box: box\n };\n}\n\nfunction getRelativePosition(evt, chart) {\n if ('native' in evt) {\n return evt;\n }\n\n var canvas = chart.canvas,\n currentDevicePixelRatio = chart.currentDevicePixelRatio;\n var style = getComputedStyle(canvas);\n var borderBox = style.boxSizing === 'border-box';\n var paddings = getPositionedStyle(style, 'padding');\n var borders = getPositionedStyle(style, 'border', 'width');\n\n var _getCanvasPosition = getCanvasPosition(evt, canvas),\n x = _getCanvasPosition.x,\n y = _getCanvasPosition.y,\n box = _getCanvasPosition.box;\n\n var xOffset = paddings.left + (box && borders.left);\n var yOffset = paddings.top + (box && borders.top);\n var width = chart.width,\n height = chart.height;\n\n if (borderBox) {\n width -= paddings.width + borders.width;\n height -= paddings.height + borders.height;\n }\n\n return {\n x: Math.round((x - xOffset) / width * canvas.width / currentDevicePixelRatio),\n y: Math.round((y - yOffset) / height * canvas.height / currentDevicePixelRatio)\n };\n}\n\nfunction getContainerSize(canvas, width, height) {\n var maxWidth, maxHeight;\n\n if (width === undefined || height === undefined) {\n var container = _getParentNode(canvas);\n\n if (!container) {\n width = canvas.clientWidth;\n height = canvas.clientHeight;\n } else {\n var rect = container.getBoundingClientRect();\n var containerStyle = getComputedStyle(container);\n var containerBorder = getPositionedStyle(containerStyle, 'border', 'width');\n var containerPadding = getPositionedStyle(containerStyle, 'padding');\n width = rect.width - containerPadding.width - containerBorder.width;\n height = rect.height - containerPadding.height - containerBorder.height;\n maxWidth = parseMaxStyle(containerStyle.maxWidth, container, 'clientWidth');\n maxHeight = parseMaxStyle(containerStyle.maxHeight, container, 'clientHeight');\n }\n }\n\n return {\n width: width,\n height: height,\n maxWidth: maxWidth || INFINITY,\n maxHeight: maxHeight || INFINITY\n };\n}\n\nvar round1 = function round1(v) {\n return Math.round(v * 10) / 10;\n};\n\nfunction getMaximumSize(canvas, bbWidth, bbHeight, aspectRatio) {\n var style = getComputedStyle(canvas);\n var margins = getPositionedStyle(style, 'margin');\n var maxWidth = parseMaxStyle(style.maxWidth, canvas, 'clientWidth') || INFINITY;\n var maxHeight = parseMaxStyle(style.maxHeight, canvas, 'clientHeight') || INFINITY;\n var containerSize = getContainerSize(canvas, bbWidth, bbHeight);\n var width = containerSize.width,\n height = containerSize.height;\n\n if (style.boxSizing === 'content-box') {\n var borders = getPositionedStyle(style, 'border', 'width');\n var paddings = getPositionedStyle(style, 'padding');\n width -= paddings.width + borders.width;\n height -= paddings.height + borders.height;\n }\n\n width = Math.max(0, width - margins.width);\n height = Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height - margins.height);\n width = round1(Math.min(width, maxWidth, containerSize.maxWidth));\n height = round1(Math.min(height, maxHeight, containerSize.maxHeight));\n\n if (width && !height) {\n height = round1(width / 2);\n }\n\n return {\n width: width,\n height: height\n };\n}\n\nfunction retinaScale(chart, forceRatio, forceStyle) {\n var pixelRatio = forceRatio || 1;\n var deviceHeight = Math.floor(chart.height * pixelRatio);\n var deviceWidth = Math.floor(chart.width * pixelRatio);\n chart.height = deviceHeight / pixelRatio;\n chart.width = deviceWidth / pixelRatio;\n var canvas = chart.canvas;\n\n if (canvas.style && (forceStyle || !canvas.style.height && !canvas.style.width)) {\n canvas.style.height = \"\".concat(chart.height, \"px\");\n canvas.style.width = \"\".concat(chart.width, \"px\");\n }\n\n if (chart.currentDevicePixelRatio !== pixelRatio || canvas.height !== deviceHeight || canvas.width !== deviceWidth) {\n chart.currentDevicePixelRatio = pixelRatio;\n canvas.height = deviceHeight;\n canvas.width = deviceWidth;\n chart.ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0);\n return true;\n }\n\n return false;\n}\n\nvar supportsEventListenerOptions = function () {\n var passiveSupported = false;\n\n try {\n var options = {\n get passive() {\n passiveSupported = true;\n return false;\n }\n\n };\n window.addEventListener('test', null, options);\n window.removeEventListener('test', null, options);\n } catch (e) {}\n\n return passiveSupported;\n}();\n\nfunction readUsedSize(element, property) {\n var value = getStyle(element, property);\n var matches = value && value.match(/^(\\d+)(\\.\\d+)?px$/);\n return matches ? +matches[1] : undefined;\n}\n\nfunction _pointInLine(p1, p2, t, mode) {\n return {\n x: p1.x + t * (p2.x - p1.x),\n y: p1.y + t * (p2.y - p1.y)\n };\n}\n\nfunction _steppedInterpolation(p1, p2, t, mode) {\n return {\n x: p1.x + t * (p2.x - p1.x),\n y: mode === 'middle' ? t < 0.5 ? p1.y : p2.y : mode === 'after' ? t < 1 ? p1.y : p2.y : t > 0 ? p2.y : p1.y\n };\n}\n\nfunction _bezierInterpolation(p1, p2, t, mode) {\n var cp1 = {\n x: p1.cp2x,\n y: p1.cp2y\n };\n var cp2 = {\n x: p2.cp1x,\n y: p2.cp1y\n };\n\n var a = _pointInLine(p1, cp1, t);\n\n var b = _pointInLine(cp1, cp2, t);\n\n var c = _pointInLine(cp2, p2, t);\n\n var d = _pointInLine(a, b, t);\n\n var e = _pointInLine(b, c, t);\n\n return _pointInLine(d, e, t);\n}\n\nvar intlCache = new Map();\n\nfunction getNumberFormat(locale, options) {\n options = options || {};\n var cacheKey = locale + JSON.stringify(options);\n var formatter = intlCache.get(cacheKey);\n\n if (!formatter) {\n formatter = new Intl.NumberFormat(locale, options);\n intlCache.set(cacheKey, formatter);\n }\n\n return formatter;\n}\n\nfunction formatNumber(num, locale, options) {\n return getNumberFormat(locale, options).format(num);\n}\n\nvar getRightToLeftAdapter = function getRightToLeftAdapter(rectX, width) {\n return {\n x: function x(_x) {\n return rectX + rectX + width - _x;\n },\n setWidth: function setWidth(w) {\n width = w;\n },\n textAlign: function textAlign(align) {\n if (align === 'center') {\n return align;\n }\n\n return align === 'right' ? 'left' : 'right';\n },\n xPlus: function xPlus(x, value) {\n return x - value;\n },\n leftForLtr: function leftForLtr(x, itemWidth) {\n return x - itemWidth;\n }\n };\n};\n\nvar getLeftToRightAdapter = function getLeftToRightAdapter() {\n return {\n x: function x(_x2) {\n return _x2;\n },\n setWidth: function setWidth(w) {},\n textAlign: function textAlign(align) {\n return align;\n },\n xPlus: function xPlus(x, value) {\n return x + value;\n },\n leftForLtr: function leftForLtr(x, _itemWidth) {\n return x;\n }\n };\n};\n\nfunction getRtlAdapter(rtl, rectX, width) {\n return rtl ? getRightToLeftAdapter(rectX, width) : getLeftToRightAdapter();\n}\n\nfunction overrideTextDirection(ctx, direction) {\n var style, original;\n\n if (direction === 'ltr' || direction === 'rtl') {\n style = ctx.canvas.style;\n original = [style.getPropertyValue('direction'), style.getPropertyPriority('direction')];\n style.setProperty('direction', direction, 'important');\n ctx.prevTextDirection = original;\n }\n}\n\nfunction restoreTextDirection(ctx, original) {\n if (original !== undefined) {\n delete ctx.prevTextDirection;\n ctx.canvas.style.setProperty('direction', original[0], original[1]);\n }\n}\n\nfunction propertyFn(property) {\n if (property === 'angle') {\n return {\n between: _angleBetween,\n compare: _angleDiff,\n normalize: _normalizeAngle\n };\n }\n\n return {\n between: _isBetween,\n compare: function compare(a, b) {\n return a - b;\n },\n normalize: function normalize(x) {\n return x;\n }\n };\n}\n\nfunction normalizeSegment(_ref) {\n var start = _ref.start,\n end = _ref.end,\n count = _ref.count,\n loop = _ref.loop,\n style = _ref.style;\n return {\n start: start % count,\n end: end % count,\n loop: loop && (end - start + 1) % count === 0,\n style: style\n };\n}\n\nfunction getSegment(segment, points, bounds) {\n var property = bounds.property,\n startBound = bounds.start,\n endBound = bounds.end;\n\n var _propertyFn = propertyFn(property),\n between = _propertyFn.between,\n normalize = _propertyFn.normalize;\n\n var count = points.length;\n var start = segment.start,\n end = segment.end,\n loop = segment.loop;\n var i, ilen;\n\n if (loop) {\n start += count;\n end += count;\n\n for (i = 0, ilen = count; i < ilen; ++i) {\n if (!between(normalize(points[start % count][property]), startBound, endBound)) {\n break;\n }\n\n start--;\n end--;\n }\n\n start %= count;\n end %= count;\n }\n\n if (end < start) {\n end += count;\n }\n\n return {\n start: start,\n end: end,\n loop: loop,\n style: segment.style\n };\n}\n\nfunction _boundSegment(segment, points, bounds) {\n if (!bounds) {\n return [segment];\n }\n\n var property = bounds.property,\n startBound = bounds.start,\n endBound = bounds.end;\n var count = points.length;\n\n var _propertyFn2 = propertyFn(property),\n compare = _propertyFn2.compare,\n between = _propertyFn2.between,\n normalize = _propertyFn2.normalize;\n\n var _getSegment = getSegment(segment, points, bounds),\n start = _getSegment.start,\n end = _getSegment.end,\n loop = _getSegment.loop,\n style = _getSegment.style;\n\n var result = [];\n var inside = false;\n var subStart = null;\n var value, point, prevValue;\n\n var startIsBefore = function startIsBefore() {\n return between(startBound, prevValue, value) && compare(startBound, prevValue) !== 0;\n };\n\n var endIsBefore = function endIsBefore() {\n return compare(endBound, value) === 0 || between(endBound, prevValue, value);\n };\n\n var shouldStart = function shouldStart() {\n return inside || startIsBefore();\n };\n\n var shouldStop = function shouldStop() {\n return !inside || endIsBefore();\n };\n\n for (var i = start, prev = start; i <= end; ++i) {\n point = points[i % count];\n\n if (point.skip) {\n continue;\n }\n\n value = normalize(point[property]);\n\n if (value === prevValue) {\n continue;\n }\n\n inside = between(value, startBound, endBound);\n\n if (subStart === null && shouldStart()) {\n subStart = compare(value, startBound) === 0 ? i : prev;\n }\n\n if (subStart !== null && shouldStop()) {\n result.push(normalizeSegment({\n start: subStart,\n end: i,\n loop: loop,\n count: count,\n style: style\n }));\n subStart = null;\n }\n\n prev = i;\n prevValue = value;\n }\n\n if (subStart !== null) {\n result.push(normalizeSegment({\n start: subStart,\n end: end,\n loop: loop,\n count: count,\n style: style\n }));\n }\n\n return result;\n}\n\nfunction _boundSegments(line, bounds) {\n var result = [];\n var segments = line.segments;\n\n for (var i = 0; i < segments.length; i++) {\n var sub = _boundSegment(segments[i], line.points, bounds);\n\n if (sub.length) {\n result.push.apply(result, _toConsumableArray(sub));\n }\n }\n\n return result;\n}\n\nfunction findStartAndEnd(points, count, loop, spanGaps) {\n var start = 0;\n var end = count - 1;\n\n if (loop && !spanGaps) {\n while (start < count && !points[start].skip) {\n start++;\n }\n }\n\n while (start < count && points[start].skip) {\n start++;\n }\n\n start %= count;\n\n if (loop) {\n end += start;\n }\n\n while (end > start && points[end % count].skip) {\n end--;\n }\n\n end %= count;\n return {\n start: start,\n end: end\n };\n}\n\nfunction solidSegments(points, start, max, loop) {\n var count = points.length;\n var result = [];\n var last = start;\n var prev = points[start];\n var end;\n\n for (end = start + 1; end <= max; ++end) {\n var cur = points[end % count];\n\n if (cur.skip || cur.stop) {\n if (!prev.skip) {\n loop = false;\n result.push({\n start: start % count,\n end: (end - 1) % count,\n loop: loop\n });\n start = last = cur.stop ? end : null;\n }\n } else {\n last = end;\n\n if (prev.skip) {\n start = end;\n }\n }\n\n prev = cur;\n }\n\n if (last !== null) {\n result.push({\n start: start % count,\n end: last % count,\n loop: loop\n });\n }\n\n return result;\n}\n\nfunction _computeSegments(line, segmentOptions) {\n var points = line.points;\n var spanGaps = line.options.spanGaps;\n var count = points.length;\n\n if (!count) {\n return [];\n }\n\n var loop = !!line._loop;\n\n var _findStartAndEnd = findStartAndEnd(points, count, loop, spanGaps),\n start = _findStartAndEnd.start,\n end = _findStartAndEnd.end;\n\n if (spanGaps === true) {\n return splitByStyles(line, [{\n start: start,\n end: end,\n loop: loop\n }], points, segmentOptions);\n }\n\n var max = end < start ? end + count : end;\n var completeLoop = !!line._fullLoop && start === 0 && end === count - 1;\n return splitByStyles(line, solidSegments(points, start, max, completeLoop), points, segmentOptions);\n}\n\nfunction splitByStyles(line, segments, points, segmentOptions) {\n if (!segmentOptions || !segmentOptions.setContext || !points) {\n return segments;\n }\n\n return doSplitByStyles(line, segments, points, segmentOptions);\n}\n\nfunction doSplitByStyles(line, segments, points, segmentOptions) {\n var chartContext = line._chart.getContext();\n\n var baseStyle = readStyle(line.options);\n var datasetIndex = line._datasetIndex,\n spanGaps = line.options.spanGaps;\n var count = points.length;\n var result = [];\n var prevStyle = baseStyle;\n var start = segments[0].start;\n var i = start;\n\n function addStyle(s, e, l, st) {\n var dir = spanGaps ? -1 : 1;\n\n if (s === e) {\n return;\n }\n\n s += count;\n\n while (points[s % count].skip) {\n s -= dir;\n }\n\n while (points[e % count].skip) {\n e += dir;\n }\n\n if (s % count !== e % count) {\n result.push({\n start: s % count,\n end: e % count,\n loop: l,\n style: st\n });\n prevStyle = st;\n start = e % count;\n }\n }\n\n var _iterator11 = _createForOfIteratorHelper(segments),\n _step11;\n\n try {\n for (_iterator11.s(); !(_step11 = _iterator11.n()).done;) {\n var segment = _step11.value;\n start = spanGaps ? start : segment.start;\n var prev = points[start % count];\n var style = void 0;\n\n for (i = start + 1; i <= segment.end; i++) {\n var pt = points[i % count];\n style = readStyle(segmentOptions.setContext(createContext(chartContext, {\n type: 'segment',\n p0: prev,\n p1: pt,\n p0DataIndex: (i - 1) % count,\n p1DataIndex: i % count,\n datasetIndex: datasetIndex\n })));\n\n if (styleChanged(style, prevStyle)) {\n addStyle(start, i - 1, segment.loop, prevStyle);\n }\n\n prev = pt;\n prevStyle = style;\n }\n\n if (start < i - 1) {\n addStyle(start, i - 1, segment.loop, prevStyle);\n }\n }\n } catch (err) {\n _iterator11.e(err);\n } finally {\n _iterator11.f();\n }\n\n return result;\n}\n\nfunction readStyle(options) {\n return {\n backgroundColor: options.backgroundColor,\n borderCapStyle: options.borderCapStyle,\n borderDash: options.borderDash,\n borderDashOffset: options.borderDashOffset,\n borderJoinStyle: options.borderJoinStyle,\n borderWidth: options.borderWidth,\n borderColor: options.borderColor\n };\n}\n\nfunction styleChanged(style, prevStyle) {\n return prevStyle && JSON.stringify(style) !== JSON.stringify(prevStyle);\n}\n\nexport { _isPointInArea as $, _factorize as A, finiteOrDefault as B, callback as C, _addGrace as D, _limitValue as E, toDegrees as F, _measureText as G, HALF_PI as H, _int16Range as I, _alignPixel as J, toPadding as K, clipArea as L, renderText as M, unclipArea as N, toFont as O, PI as P, each as Q, _toLeftRightCenter as R, _alignStartEnd as S, TAU as T, overrides as U, merge as V, _capitalize as W, getRelativePosition as X, _rlookupByKey as Y, _lookupByKey as Z, _arrayUnique as _, resolve as a, toLineHeight as a$, getAngleFromPoint as a0, getMaximumSize as a1, _getParentNode as a2, readUsedSize as a3, throttled as a4, supportsEventListenerOptions as a5, _isDomSupported as a6, descriptors as a7, isFunction as a8, _attachContext as a9, getRtlAdapter as aA, overrideTextDirection as aB, _textX as aC, restoreTextDirection as aD, drawPointLegend as aE, noop as aF, distanceBetweenPoints as aG, _setMinAndMaxByKey as aH, niceNum as aI, almostWhole as aJ, almostEquals as aK, _decimalPlaces as aL, _longestText as aM, _filterBetween as aN, _lookup as aO, isPatternOrGradient as aP, getHoverColor as aQ, clone$1 as aR, _merger as aS, _mergerIf as aT, _deprecated as aU, _splitKey as aV, toFontString as aW, splineCurve as aX, splineCurveMonotone as aY, getStyle as aZ, fontString as a_, _createResolver as aa, _descriptors as ab, mergeIf as ac, uid as ad, debounce as ae, retinaScale as af, clearCanvas as ag, setsEqual as ah, _elementsEqual as ai, _isClickEvent as aj, _isBetween as ak, _readValueToProps as al, _updateBezierControlPoints as am, _computeSegments as an, _boundSegments as ao, _steppedInterpolation as ap, _bezierInterpolation as aq, _pointInLine as ar, _steppedLineTo as as, _bezierCurveTo as at, drawPoint as au, addRoundedRectPath as av, toTRBL as aw, toTRBLCorners as ax, _boundSegment as ay, _normalizeAngle as az, isArray as b, PITAU as b0, INFINITY as b1, RAD_PER_DEG as b2, QUARTER_PI as b3, TWO_THIRDS_PI as b4, _angleDiff as b5, color as c, defaults as d, effects as e, resolveObjectKey as f, isNumberFinite as g, createContext as h, isObject as i, defined as j, isNullOrUndef as k, listenArrayEvents as l, toPercentage as m, toDimension as n, formatNumber as o, _angleBetween as p, _getStartAndCountOfVisiblePoints as q, requestAnimFrame as r, sign as s, toRadians as t, unlistenArrayEvents as u, valueOrDefault as v, _scaleRangesChanged as w, isNumber as x, _parseObjectDataRadialScale as y, log10 as z };","function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }\n\nfunction _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }\n\nfunction _get() { if (typeof Reflect !== \"undefined\" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(arguments.length < 3 ? target : receiver); } return desc.value; }; } return _get.apply(this, arguments); }\n\nfunction _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } else if (call !== void 0) { throw new TypeError(\"Derived constructors may only return object or undefined\"); } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\nfunction _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }\n\nfunction _nonIterableRest() { throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== \"undefined\" && arr[Symbol.iterator] || arr[\"@@iterator\"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"] != null) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; }\n\nfunction _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== \"undefined\" && o[Symbol.iterator] || o[\"@@iterator\"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === \"number\") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it[\"return\"] != null) it[\"return\"](); } finally { if (didErr) throw err; } } }; }\n\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nfunction _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }\n\nfunction _nonIterableSpread() { throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _iterableToArray(iter) { if (typeof Symbol !== \"undefined\" && iter[Symbol.iterator] != null || iter[\"@@iterator\"] != null) return Array.from(iter); }\n\nfunction _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\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 * Chart.js v3.9.1\n * https://www.chartjs.org\n * (c) 2022 Chart.js Contributors\n * Released under the MIT License\n */\nimport { r as requestAnimFrame, a as resolve, e as effects, c as _color, d as defaults, i as isObject, b as isArray, v as valueOrDefault, u as unlistenArrayEvents, l as listenArrayEvents, f as resolveObjectKey, g as isNumberFinite, h as createContext, j as defined, s as sign, k as isNullOrUndef, _ as _arrayUnique, t as toRadians, m as toPercentage, n as toDimension, T as TAU, o as formatNumber, p as _angleBetween, H as HALF_PI, P as PI, q as _getStartAndCountOfVisiblePoints, w as _scaleRangesChanged, x as isNumber, y as _parseObjectDataRadialScale, z as log10, A as _factorize, B as finiteOrDefault, C as callback, D as _addGrace, E as _limitValue, F as toDegrees, G as _measureText, I as _int16Range, J as _alignPixel, K as toPadding, L as clipArea, M as renderText, N as unclipArea, O as toFont, Q as each, R as _toLeftRightCenter, S as _alignStartEnd, U as overrides, V as merge, W as _capitalize, X as getRelativePosition, Y as _rlookupByKey, Z as _lookupByKey, $ as _isPointInArea, a0 as getAngleFromPoint, a1 as _getMaximumSize, a2 as _getParentNode, a3 as readUsedSize, a4 as throttled, a5 as supportsEventListenerOptions, a6 as _isDomSupported, a7 as descriptors, a8 as isFunction, a9 as _attachContext, aa as _createResolver, ab as _descriptors, ac as mergeIf, ad as uid, ae as debounce, af as retinaScale, ag as clearCanvas, ah as setsEqual, ai as _elementsEqual, aj as _isClickEvent, ak as _isBetween, al as _readValueToProps, am as _updateBezierControlPoints, an as _computeSegments, ao as _boundSegments, ap as _steppedInterpolation, aq as _bezierInterpolation, ar as _pointInLine, as as _steppedLineTo, at as _bezierCurveTo, au as drawPoint, av as addRoundedRectPath, aw as toTRBL, ax as toTRBLCorners, ay as _boundSegment, az as _normalizeAngle, aA as getRtlAdapter, aB as overrideTextDirection, aC as _textX, aD as restoreTextDirection, aE as drawPointLegend, aF as noop, aG as distanceBetweenPoints, aH as _setMinAndMaxByKey, aI as niceNum, aJ as almostWhole, aK as almostEquals, aL as _decimalPlaces, aM as _longestText, aN as _filterBetween, aO as _lookup } from './chunks/helpers.segment.mjs';\nexport { d as defaults } from './chunks/helpers.segment.mjs';\n\nvar Animator = /*#__PURE__*/function () {\n function Animator() {\n _classCallCheck(this, Animator);\n\n this._request = null;\n this._charts = new Map();\n this._running = false;\n this._lastDate = undefined;\n }\n\n _createClass(Animator, [{\n key: \"_notify\",\n value: function _notify(chart, anims, date, type) {\n var callbacks = anims.listeners[type];\n var numSteps = anims.duration;\n callbacks.forEach(function (fn) {\n return fn({\n chart: chart,\n initial: anims.initial,\n numSteps: numSteps,\n currentStep: Math.min(date - anims.start, numSteps)\n });\n });\n }\n }, {\n key: \"_refresh\",\n value: function _refresh() {\n var _this = this;\n\n if (this._request) {\n return;\n }\n\n this._running = true;\n this._request = requestAnimFrame.call(window, function () {\n _this._update();\n\n _this._request = null;\n\n if (_this._running) {\n _this._refresh();\n }\n });\n }\n }, {\n key: \"_update\",\n value: function _update() {\n var _this2 = this;\n\n var date = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Date.now();\n var remaining = 0;\n\n this._charts.forEach(function (anims, chart) {\n if (!anims.running || !anims.items.length) {\n return;\n }\n\n var items = anims.items;\n var i = items.length - 1;\n var draw = false;\n var item;\n\n for (; i >= 0; --i) {\n item = items[i];\n\n if (item._active) {\n if (item._total > anims.duration) {\n anims.duration = item._total;\n }\n\n item.tick(date);\n draw = true;\n } else {\n items[i] = items[items.length - 1];\n items.pop();\n }\n }\n\n if (draw) {\n chart.draw();\n\n _this2._notify(chart, anims, date, 'progress');\n }\n\n if (!items.length) {\n anims.running = false;\n\n _this2._notify(chart, anims, date, 'complete');\n\n anims.initial = false;\n }\n\n remaining += items.length;\n });\n\n this._lastDate = date;\n\n if (remaining === 0) {\n this._running = false;\n }\n }\n }, {\n key: \"_getAnims\",\n value: function _getAnims(chart) {\n var charts = this._charts;\n var anims = charts.get(chart);\n\n if (!anims) {\n anims = {\n running: false,\n initial: true,\n items: [],\n listeners: {\n complete: [],\n progress: []\n }\n };\n charts.set(chart, anims);\n }\n\n return anims;\n }\n }, {\n key: \"listen\",\n value: function listen(chart, event, cb) {\n this._getAnims(chart).listeners[event].push(cb);\n }\n }, {\n key: \"add\",\n value: function add(chart, items) {\n var _this$_getAnims$items;\n\n if (!items || !items.length) {\n return;\n }\n\n (_this$_getAnims$items = this._getAnims(chart).items).push.apply(_this$_getAnims$items, _toConsumableArray(items));\n }\n }, {\n key: \"has\",\n value: function has(chart) {\n return this._getAnims(chart).items.length > 0;\n }\n }, {\n key: \"start\",\n value: function start(chart) {\n var anims = this._charts.get(chart);\n\n if (!anims) {\n return;\n }\n\n anims.running = true;\n anims.start = Date.now();\n anims.duration = anims.items.reduce(function (acc, cur) {\n return Math.max(acc, cur._duration);\n }, 0);\n\n this._refresh();\n }\n }, {\n key: \"running\",\n value: function running(chart) {\n if (!this._running) {\n return false;\n }\n\n var anims = this._charts.get(chart);\n\n if (!anims || !anims.running || !anims.items.length) {\n return false;\n }\n\n return true;\n }\n }, {\n key: \"stop\",\n value: function stop(chart) {\n var anims = this._charts.get(chart);\n\n if (!anims || !anims.items.length) {\n return;\n }\n\n var items = anims.items;\n var i = items.length - 1;\n\n for (; i >= 0; --i) {\n items[i].cancel();\n }\n\n anims.items = [];\n\n this._notify(chart, anims, Date.now(), 'complete');\n }\n }, {\n key: \"remove\",\n value: function remove(chart) {\n return this._charts[\"delete\"](chart);\n }\n }]);\n\n return Animator;\n}();\n\nvar animator = new Animator();\nvar transparent = 'transparent';\nvar interpolators = {\n \"boolean\": function boolean(from, to, factor) {\n return factor > 0.5 ? to : from;\n },\n color: function color(from, to, factor) {\n var c0 = _color(from || transparent);\n\n var c1 = c0.valid && _color(to || transparent);\n\n return c1 && c1.valid ? c1.mix(c0, factor).hexString() : to;\n },\n number: function number(from, to, factor) {\n return from + (to - from) * factor;\n }\n};\n\nvar Animation = /*#__PURE__*/function () {\n function Animation(cfg, target, prop, to) {\n _classCallCheck(this, Animation);\n\n var currentValue = target[prop];\n to = resolve([cfg.to, to, currentValue, cfg.from]);\n var from = resolve([cfg.from, currentValue, to]);\n this._active = true;\n this._fn = cfg.fn || interpolators[cfg.type || _typeof(from)];\n this._easing = effects[cfg.easing] || effects.linear;\n this._start = Math.floor(Date.now() + (cfg.delay || 0));\n this._duration = this._total = Math.floor(cfg.duration);\n this._loop = !!cfg.loop;\n this._target = target;\n this._prop = prop;\n this._from = from;\n this._to = to;\n this._promises = undefined;\n }\n\n _createClass(Animation, [{\n key: \"active\",\n value: function active() {\n return this._active;\n }\n }, {\n key: \"update\",\n value: function update(cfg, to, date) {\n if (this._active) {\n this._notify(false);\n\n var currentValue = this._target[this._prop];\n var elapsed = date - this._start;\n var remain = this._duration - elapsed;\n this._start = date;\n this._duration = Math.floor(Math.max(remain, cfg.duration));\n this._total += elapsed;\n this._loop = !!cfg.loop;\n this._to = resolve([cfg.to, to, currentValue, cfg.from]);\n this._from = resolve([cfg.from, currentValue, to]);\n }\n }\n }, {\n key: \"cancel\",\n value: function cancel() {\n if (this._active) {\n this.tick(Date.now());\n this._active = false;\n\n this._notify(false);\n }\n }\n }, {\n key: \"tick\",\n value: function tick(date) {\n var elapsed = date - this._start;\n var duration = this._duration;\n var prop = this._prop;\n var from = this._from;\n var loop = this._loop;\n var to = this._to;\n var factor;\n this._active = from !== to && (loop || elapsed < duration);\n\n if (!this._active) {\n this._target[prop] = to;\n\n this._notify(true);\n\n return;\n }\n\n if (elapsed < 0) {\n this._target[prop] = from;\n return;\n }\n\n factor = elapsed / duration % 2;\n factor = loop && factor > 1 ? 2 - factor : factor;\n factor = this._easing(Math.min(1, Math.max(0, factor)));\n this._target[prop] = this._fn(from, to, factor);\n }\n }, {\n key: \"wait\",\n value: function wait() {\n var promises = this._promises || (this._promises = []);\n return new Promise(function (res, rej) {\n promises.push({\n res: res,\n rej: rej\n });\n });\n }\n }, {\n key: \"_notify\",\n value: function _notify(resolved) {\n var method = resolved ? 'res' : 'rej';\n var promises = this._promises || [];\n\n for (var i = 0; i < promises.length; i++) {\n promises[i][method]();\n }\n }\n }]);\n\n return Animation;\n}();\n\nvar numbers = ['x', 'y', 'borderWidth', 'radius', 'tension'];\nvar colors = ['color', 'borderColor', 'backgroundColor'];\ndefaults.set('animation', {\n delay: undefined,\n duration: 1000,\n easing: 'easeOutQuart',\n fn: undefined,\n from: undefined,\n loop: undefined,\n to: undefined,\n type: undefined\n});\nvar animationOptions = Object.keys(defaults.animation);\ndefaults.describe('animation', {\n _fallback: false,\n _indexable: false,\n _scriptable: function _scriptable(name) {\n return name !== 'onProgress' && name !== 'onComplete' && name !== 'fn';\n }\n});\ndefaults.set('animations', {\n colors: {\n type: 'color',\n properties: colors\n },\n numbers: {\n type: 'number',\n properties: numbers\n }\n});\ndefaults.describe('animations', {\n _fallback: 'animation'\n});\ndefaults.set('transitions', {\n active: {\n animation: {\n duration: 400\n }\n },\n resize: {\n animation: {\n duration: 0\n }\n },\n show: {\n animations: {\n colors: {\n from: 'transparent'\n },\n visible: {\n type: 'boolean',\n duration: 0\n }\n }\n },\n hide: {\n animations: {\n colors: {\n to: 'transparent'\n },\n visible: {\n type: 'boolean',\n easing: 'linear',\n fn: function fn(v) {\n return v | 0;\n }\n }\n }\n }\n});\n\nvar Animations = /*#__PURE__*/function () {\n function Animations(chart, config) {\n _classCallCheck(this, Animations);\n\n this._chart = chart;\n this._properties = new Map();\n this.configure(config);\n }\n\n _createClass(Animations, [{\n key: \"configure\",\n value: function configure(config) {\n if (!isObject(config)) {\n return;\n }\n\n var animatedProps = this._properties;\n Object.getOwnPropertyNames(config).forEach(function (key) {\n var cfg = config[key];\n\n if (!isObject(cfg)) {\n return;\n }\n\n var resolved = {};\n\n var _iterator = _createForOfIteratorHelper(animationOptions),\n _step;\n\n try {\n for (_iterator.s(); !(_step = _iterator.n()).done;) {\n var option = _step.value;\n resolved[option] = cfg[option];\n }\n } catch (err) {\n _iterator.e(err);\n } finally {\n _iterator.f();\n }\n\n (isArray(cfg.properties) && cfg.properties || [key]).forEach(function (prop) {\n if (prop === key || !animatedProps.has(prop)) {\n animatedProps.set(prop, resolved);\n }\n });\n });\n }\n }, {\n key: \"_animateOptions\",\n value: function _animateOptions(target, values) {\n var newOptions = values.options;\n var options = resolveTargetOptions(target, newOptions);\n\n if (!options) {\n return [];\n }\n\n var animations = this._createAnimations(options, newOptions);\n\n if (newOptions.$shared) {\n awaitAll(target.options.$animations, newOptions).then(function () {\n target.options = newOptions;\n }, function () {});\n }\n\n return animations;\n }\n }, {\n key: \"_createAnimations\",\n value: function _createAnimations(target, values) {\n var animatedProps = this._properties;\n var animations = [];\n var running = target.$animations || (target.$animations = {});\n var props = Object.keys(values);\n var date = Date.now();\n var i;\n\n for (i = props.length - 1; i >= 0; --i) {\n var prop = props[i];\n\n if (prop.charAt(0) === '$') {\n continue;\n }\n\n if (prop === 'options') {\n animations.push.apply(animations, _toConsumableArray(this._animateOptions(target, values)));\n continue;\n }\n\n var value = values[prop];\n var animation = running[prop];\n var cfg = animatedProps.get(prop);\n\n if (animation) {\n if (cfg && animation.active()) {\n animation.update(cfg, value, date);\n continue;\n } else {\n animation.cancel();\n }\n }\n\n if (!cfg || !cfg.duration) {\n target[prop] = value;\n continue;\n }\n\n running[prop] = animation = new Animation(cfg, target, prop, value);\n animations.push(animation);\n }\n\n return animations;\n }\n }, {\n key: \"update\",\n value: function update(target, values) {\n if (this._properties.size === 0) {\n Object.assign(target, values);\n return;\n }\n\n var animations = this._createAnimations(target, values);\n\n if (animations.length) {\n animator.add(this._chart, animations);\n return true;\n }\n }\n }]);\n\n return Animations;\n}();\n\nfunction awaitAll(animations, properties) {\n var running = [];\n var keys = Object.keys(properties);\n\n for (var i = 0; i < keys.length; i++) {\n var anim = animations[keys[i]];\n\n if (anim && anim.active()) {\n running.push(anim.wait());\n }\n }\n\n return Promise.all(running);\n}\n\nfunction resolveTargetOptions(target, newOptions) {\n if (!newOptions) {\n return;\n }\n\n var options = target.options;\n\n if (!options) {\n target.options = newOptions;\n return;\n }\n\n if (options.$shared) {\n target.options = options = Object.assign({}, options, {\n $shared: false,\n $animations: {}\n });\n }\n\n return options;\n}\n\nfunction scaleClip(scale, allowedOverflow) {\n var opts = scale && scale.options || {};\n var reverse = opts.reverse;\n var min = opts.min === undefined ? allowedOverflow : 0;\n var max = opts.max === undefined ? allowedOverflow : 0;\n return {\n start: reverse ? max : min,\n end: reverse ? min : max\n };\n}\n\nfunction defaultClip(xScale, yScale, allowedOverflow) {\n if (allowedOverflow === false) {\n return false;\n }\n\n var x = scaleClip(xScale, allowedOverflow);\n var y = scaleClip(yScale, allowedOverflow);\n return {\n top: y.end,\n right: x.end,\n bottom: y.start,\n left: x.start\n };\n}\n\nfunction toClip(value) {\n var t, r, b, l;\n\n if (isObject(value)) {\n t = value.top;\n r = value.right;\n b = value.bottom;\n l = value.left;\n } else {\n t = r = b = l = value;\n }\n\n return {\n top: t,\n right: r,\n bottom: b,\n left: l,\n disabled: value === false\n };\n}\n\nfunction getSortedDatasetIndices(chart, filterVisible) {\n var keys = [];\n\n var metasets = chart._getSortedDatasetMetas(filterVisible);\n\n var i, ilen;\n\n for (i = 0, ilen = metasets.length; i < ilen; ++i) {\n keys.push(metasets[i].index);\n }\n\n return keys;\n}\n\nfunction _applyStack(stack, value, dsIndex) {\n var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};\n var keys = stack.keys;\n var singleMode = options.mode === 'single';\n var i, ilen, datasetIndex, otherValue;\n\n if (value === null) {\n return;\n }\n\n for (i = 0, ilen = keys.length; i < ilen; ++i) {\n datasetIndex = +keys[i];\n\n if (datasetIndex === dsIndex) {\n if (options.all) {\n continue;\n }\n\n break;\n }\n\n otherValue = stack.values[datasetIndex];\n\n if (isNumberFinite(otherValue) && (singleMode || value === 0 || sign(value) === sign(otherValue))) {\n value += otherValue;\n }\n }\n\n return value;\n}\n\nfunction convertObjectDataToArray(data) {\n var keys = Object.keys(data);\n var adata = new Array(keys.length);\n var i, ilen, key;\n\n for (i = 0, ilen = keys.length; i < ilen; ++i) {\n key = keys[i];\n adata[i] = {\n x: key,\n y: data[key]\n };\n }\n\n return adata;\n}\n\nfunction isStacked(scale, meta) {\n var stacked = scale && scale.options.stacked;\n return stacked || stacked === undefined && meta.stack !== undefined;\n}\n\nfunction getStackKey(indexScale, valueScale, meta) {\n return \"\".concat(indexScale.id, \".\").concat(valueScale.id, \".\").concat(meta.stack || meta.type);\n}\n\nfunction getUserBounds(scale) {\n var _scale$getUserBounds = scale.getUserBounds(),\n min = _scale$getUserBounds.min,\n max = _scale$getUserBounds.max,\n minDefined = _scale$getUserBounds.minDefined,\n maxDefined = _scale$getUserBounds.maxDefined;\n\n return {\n min: minDefined ? min : Number.NEGATIVE_INFINITY,\n max: maxDefined ? max : Number.POSITIVE_INFINITY\n };\n}\n\nfunction getOrCreateStack(stacks, stackKey, indexValue) {\n var subStack = stacks[stackKey] || (stacks[stackKey] = {});\n return subStack[indexValue] || (subStack[indexValue] = {});\n}\n\nfunction getLastIndexInStack(stack, vScale, positive, type) {\n var _iterator2 = _createForOfIteratorHelper(vScale.getMatchingVisibleMetas(type).reverse()),\n _step2;\n\n try {\n for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {\n var meta = _step2.value;\n var value = stack[meta.index];\n\n if (positive && value > 0 || !positive && value < 0) {\n return meta.index;\n }\n }\n } catch (err) {\n _iterator2.e(err);\n } finally {\n _iterator2.f();\n }\n\n return null;\n}\n\nfunction updateStacks(controller, parsed) {\n var chart = controller.chart,\n meta = controller._cachedMeta;\n var stacks = chart._stacks || (chart._stacks = {});\n var iScale = meta.iScale,\n vScale = meta.vScale,\n datasetIndex = meta.index;\n var iAxis = iScale.axis;\n var vAxis = vScale.axis;\n var key = getStackKey(iScale, vScale, meta);\n var ilen = parsed.length;\n var stack;\n\n for (var i = 0; i < ilen; ++i) {\n var item = parsed[i];\n var _index = item[iAxis],\n value = item[vAxis];\n var itemStacks = item._stacks || (item._stacks = {});\n stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, _index);\n stack[datasetIndex] = value;\n stack._top = getLastIndexInStack(stack, vScale, true, meta.type);\n stack._bottom = getLastIndexInStack(stack, vScale, false, meta.type);\n }\n}\n\nfunction getFirstScaleId(chart, axis) {\n var scales = chart.scales;\n return Object.keys(scales).filter(function (key) {\n return scales[key].axis === axis;\n }).shift();\n}\n\nfunction createDatasetContext(parent, index) {\n return createContext(parent, {\n active: false,\n dataset: undefined,\n datasetIndex: index,\n index: index,\n mode: 'default',\n type: 'dataset'\n });\n}\n\nfunction createDataContext(parent, index, element) {\n return createContext(parent, {\n active: false,\n dataIndex: index,\n parsed: undefined,\n raw: undefined,\n element: element,\n index: index,\n mode: 'default',\n type: 'data'\n });\n}\n\nfunction clearStacks(meta, items) {\n var datasetIndex = meta.controller.index;\n var axis = meta.vScale && meta.vScale.axis;\n\n if (!axis) {\n return;\n }\n\n items = items || meta._parsed;\n\n var _iterator3 = _createForOfIteratorHelper(items),\n _step3;\n\n try {\n for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {\n var parsed = _step3.value;\n var stacks = parsed._stacks;\n\n if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) {\n return;\n }\n\n delete stacks[axis][datasetIndex];\n }\n } catch (err) {\n _iterator3.e(err);\n } finally {\n _iterator3.f();\n }\n}\n\nvar isDirectUpdateMode = function isDirectUpdateMode(mode) {\n return mode === 'reset' || mode === 'none';\n};\n\nvar cloneIfNotShared = function cloneIfNotShared(cached, shared) {\n return shared ? cached : Object.assign({}, cached);\n};\n\nvar createStack = function createStack(canStack, meta, chart) {\n return canStack && !meta.hidden && meta._stacked && {\n keys: getSortedDatasetIndices(chart, true),\n values: null\n };\n};\n\nvar DatasetController = /*#__PURE__*/function () {\n function DatasetController(chart, datasetIndex) {\n _classCallCheck(this, DatasetController);\n\n this.chart = chart;\n this._ctx = chart.ctx;\n this.index = datasetIndex;\n this._cachedDataOpts = {};\n this._cachedMeta = this.getMeta();\n this._type = this._cachedMeta.type;\n this.options = undefined;\n this._parsing = false;\n this._data = undefined;\n this._objectData = undefined;\n this._sharedOptions = undefined;\n this._drawStart = undefined;\n this._drawCount = undefined;\n this.enableOptionSharing = false;\n this.supportsDecimation = false;\n this.$context = undefined;\n this._syncList = [];\n this.initialize();\n }\n\n _createClass(DatasetController, [{\n key: \"initialize\",\n value: function initialize() {\n var meta = this._cachedMeta;\n this.configure();\n this.linkScales();\n meta._stacked = isStacked(meta.vScale, meta);\n this.addElements();\n }\n }, {\n key: \"updateIndex\",\n value: function updateIndex(datasetIndex) {\n if (this.index !== datasetIndex) {\n clearStacks(this._cachedMeta);\n }\n\n this.index = datasetIndex;\n }\n }, {\n key: \"linkScales\",\n value: function linkScales() {\n var chart = this.chart;\n var meta = this._cachedMeta;\n var dataset = this.getDataset();\n\n var chooseId = function chooseId(axis, x, y, r) {\n return axis === 'x' ? x : axis === 'r' ? r : y;\n };\n\n var xid = meta.xAxisID = valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x'));\n var yid = meta.yAxisID = valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y'));\n var rid = meta.rAxisID = valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r'));\n var indexAxis = meta.indexAxis;\n var iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid);\n var vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid);\n meta.xScale = this.getScaleForId(xid);\n meta.yScale = this.getScaleForId(yid);\n meta.rScale = this.getScaleForId(rid);\n meta.iScale = this.getScaleForId(iid);\n meta.vScale = this.getScaleForId(vid);\n }\n }, {\n key: \"getDataset\",\n value: function getDataset() {\n return this.chart.data.datasets[this.index];\n }\n }, {\n key: \"getMeta\",\n value: function getMeta() {\n return this.chart.getDatasetMeta(this.index);\n }\n }, {\n key: \"getScaleForId\",\n value: function getScaleForId(scaleID) {\n return this.chart.scales[scaleID];\n }\n }, {\n key: \"_getOtherScale\",\n value: function _getOtherScale(scale) {\n var meta = this._cachedMeta;\n return scale === meta.iScale ? meta.vScale : meta.iScale;\n }\n }, {\n key: \"reset\",\n value: function reset() {\n this._update('reset');\n }\n }, {\n key: \"_destroy\",\n value: function _destroy() {\n var meta = this._cachedMeta;\n\n if (this._data) {\n unlistenArrayEvents(this._data, this);\n }\n\n if (meta._stacked) {\n clearStacks(meta);\n }\n }\n }, {\n key: \"_dataCheck\",\n value: function _dataCheck() {\n var dataset = this.getDataset();\n var data = dataset.data || (dataset.data = []);\n var _data = this._data;\n\n if (isObject(data)) {\n this._data = convertObjectDataToArray(data);\n } else if (_data !== data) {\n if (_data) {\n unlistenArrayEvents(_data, this);\n var meta = this._cachedMeta;\n clearStacks(meta);\n meta._parsed = [];\n }\n\n if (data && Object.isExtensible(data)) {\n listenArrayEvents(data, this);\n }\n\n this._syncList = [];\n this._data = data;\n }\n }\n }, {\n key: \"addElements\",\n value: function addElements() {\n var meta = this._cachedMeta;\n\n this._dataCheck();\n\n if (this.datasetElementType) {\n meta.dataset = new this.datasetElementType();\n }\n }\n }, {\n key: \"buildOrUpdateElements\",\n value: function buildOrUpdateElements(resetNewElements) {\n var meta = this._cachedMeta;\n var dataset = this.getDataset();\n var stackChanged = false;\n\n this._dataCheck();\n\n var oldStacked = meta._stacked;\n meta._stacked = isStacked(meta.vScale, meta);\n\n if (meta.stack !== dataset.stack) {\n stackChanged = true;\n clearStacks(meta);\n meta.stack = dataset.stack;\n }\n\n this._resyncElements(resetNewElements);\n\n if (stackChanged || oldStacked !== meta._stacked) {\n updateStacks(this, meta._parsed);\n }\n }\n }, {\n key: \"configure\",\n value: function configure() {\n var config = this.chart.config;\n var scopeKeys = config.datasetScopeKeys(this._type);\n var scopes = config.getOptionScopes(this.getDataset(), scopeKeys, true);\n this.options = config.createResolver(scopes, this.getContext());\n this._parsing = this.options.parsing;\n this._cachedDataOpts = {};\n }\n }, {\n key: \"parse\",\n value: function parse(start, count) {\n var meta = this._cachedMeta,\n data = this._data;\n var iScale = meta.iScale,\n _stacked = meta._stacked;\n var iAxis = iScale.axis;\n var sorted = start === 0 && count === data.length ? true : meta._sorted;\n var prev = start > 0 && meta._parsed[start - 1];\n var i, cur, parsed;\n\n if (this._parsing === false) {\n meta._parsed = data;\n meta._sorted = true;\n parsed = data;\n } else {\n if (isArray(data[start])) {\n parsed = this.parseArrayData(meta, data, start, count);\n } else if (isObject(data[start])) {\n parsed = this.parseObjectData(meta, data, start, count);\n } else {\n parsed = this.parsePrimitiveData(meta, data, start, count);\n }\n\n var isNotInOrderComparedToPrev = function isNotInOrderComparedToPrev() {\n return cur[iAxis] === null || prev && cur[iAxis] < prev[iAxis];\n };\n\n for (i = 0; i < count; ++i) {\n meta._parsed[i + start] = cur = parsed[i];\n\n if (sorted) {\n if (isNotInOrderComparedToPrev()) {\n sorted = false;\n }\n\n prev = cur;\n }\n }\n\n meta._sorted = sorted;\n }\n\n if (_stacked) {\n updateStacks(this, parsed);\n }\n }\n }, {\n key: \"parsePrimitiveData\",\n value: function parsePrimitiveData(meta, data, start, count) {\n var iScale = meta.iScale,\n vScale = meta.vScale;\n var iAxis = iScale.axis;\n var vAxis = vScale.axis;\n var labels = iScale.getLabels();\n var singleScale = iScale === vScale;\n var parsed = new Array(count);\n var i, ilen, index;\n\n for (i = 0, ilen = count; i < ilen; ++i) {\n var _parsed$i;\n\n index = i + start;\n parsed[i] = (_parsed$i = {}, _defineProperty(_parsed$i, iAxis, singleScale || iScale.parse(labels[index], index)), _defineProperty(_parsed$i, vAxis, vScale.parse(data[index], index)), _parsed$i);\n }\n\n return parsed;\n }\n }, {\n key: \"parseArrayData\",\n value: function parseArrayData(meta, data, start, count) {\n var xScale = meta.xScale,\n yScale = meta.yScale;\n var parsed = new Array(count);\n var i, ilen, index, item;\n\n for (i = 0, ilen = count; i < ilen; ++i) {\n index = i + start;\n item = data[index];\n parsed[i] = {\n x: xScale.parse(item[0], index),\n y: yScale.parse(item[1], index)\n };\n }\n\n return parsed;\n }\n }, {\n key: \"parseObjectData\",\n value: function parseObjectData(meta, data, start, count) {\n var xScale = meta.xScale,\n yScale = meta.yScale;\n var _this$_parsing = this._parsing,\n _this$_parsing$xAxisK = _this$_parsing.xAxisKey,\n xAxisKey = _this$_parsing$xAxisK === void 0 ? 'x' : _this$_parsing$xAxisK,\n _this$_parsing$yAxisK = _this$_parsing.yAxisKey,\n yAxisKey = _this$_parsing$yAxisK === void 0 ? 'y' : _this$_parsing$yAxisK;\n var parsed = new Array(count);\n var i, ilen, index, item;\n\n for (i = 0, ilen = count; i < ilen; ++i) {\n index = i + start;\n item = data[index];\n parsed[i] = {\n x: xScale.parse(resolveObjectKey(item, xAxisKey), index),\n y: yScale.parse(resolveObjectKey(item, yAxisKey), index)\n };\n }\n\n return parsed;\n }\n }, {\n key: \"getParsed\",\n value: function getParsed(index) {\n return this._cachedMeta._parsed[index];\n }\n }, {\n key: \"getDataElement\",\n value: function getDataElement(index) {\n return this._cachedMeta.data[index];\n }\n }, {\n key: \"applyStack\",\n value: function applyStack(scale, parsed, mode) {\n var chart = this.chart;\n var meta = this._cachedMeta;\n var value = parsed[scale.axis];\n var stack = {\n keys: getSortedDatasetIndices(chart, true),\n values: parsed._stacks[scale.axis]\n };\n return _applyStack(stack, value, meta.index, {\n mode: mode\n });\n }\n }, {\n key: \"updateRangeFromParsed\",\n value: function updateRangeFromParsed(range, scale, parsed, stack) {\n var parsedValue = parsed[scale.axis];\n var value = parsedValue === null ? NaN : parsedValue;\n var values = stack && parsed._stacks[scale.axis];\n\n if (stack && values) {\n stack.values = values;\n value = _applyStack(stack, parsedValue, this._cachedMeta.index);\n }\n\n range.min = Math.min(range.min, value);\n range.max = Math.max(range.max, value);\n }\n }, {\n key: \"getMinMax\",\n value: function getMinMax(scale, canStack) {\n var meta = this._cachedMeta;\n var _parsed = meta._parsed;\n var sorted = meta._sorted && scale === meta.iScale;\n var ilen = _parsed.length;\n\n var otherScale = this._getOtherScale(scale);\n\n var stack = createStack(canStack, meta, this.chart);\n var range = {\n min: Number.POSITIVE_INFINITY,\n max: Number.NEGATIVE_INFINITY\n };\n\n var _getUserBounds = getUserBounds(otherScale),\n otherMin = _getUserBounds.min,\n otherMax = _getUserBounds.max;\n\n var i, parsed;\n\n function _skip() {\n parsed = _parsed[i];\n var otherValue = parsed[otherScale.axis];\n return !isNumberFinite(parsed[scale.axis]) || otherMin > otherValue || otherMax < otherValue;\n }\n\n for (i = 0; i < ilen; ++i) {\n if (_skip()) {\n continue;\n }\n\n this.updateRangeFromParsed(range, scale, parsed, stack);\n\n if (sorted) {\n break;\n }\n }\n\n if (sorted) {\n for (i = ilen - 1; i >= 0; --i) {\n if (_skip()) {\n continue;\n }\n\n this.updateRangeFromParsed(range, scale, parsed, stack);\n break;\n }\n }\n\n return range;\n }\n }, {\n key: \"getAllParsedValues\",\n value: function getAllParsedValues(scale) {\n var parsed = this._cachedMeta._parsed;\n var values = [];\n var i, ilen, value;\n\n for (i = 0, ilen = parsed.length; i < ilen; ++i) {\n value = parsed[i][scale.axis];\n\n if (isNumberFinite(value)) {\n values.push(value);\n }\n }\n\n return values;\n }\n }, {\n key: \"getMaxOverflow\",\n value: function getMaxOverflow() {\n return false;\n }\n }, {\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var meta = this._cachedMeta;\n var iScale = meta.iScale;\n var vScale = meta.vScale;\n var parsed = this.getParsed(index);\n return {\n label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '',\n value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : ''\n };\n }\n }, {\n key: \"_update\",\n value: function _update(mode) {\n var meta = this._cachedMeta;\n this.update(mode || 'default');\n meta._clip = toClip(valueOrDefault(this.options.clip, defaultClip(meta.xScale, meta.yScale, this.getMaxOverflow())));\n }\n }, {\n key: \"update\",\n value: function update(mode) {}\n }, {\n key: \"draw\",\n value: function draw() {\n var ctx = this._ctx;\n var chart = this.chart;\n var meta = this._cachedMeta;\n var elements = meta.data || [];\n var area = chart.chartArea;\n var active = [];\n var start = this._drawStart || 0;\n var count = this._drawCount || elements.length - start;\n var drawActiveElementsOnTop = this.options.drawActiveElementsOnTop;\n var i;\n\n if (meta.dataset) {\n meta.dataset.draw(ctx, area, start, count);\n }\n\n for (i = start; i < start + count; ++i) {\n var element = elements[i];\n\n if (element.hidden) {\n continue;\n }\n\n if (element.active && drawActiveElementsOnTop) {\n active.push(element);\n } else {\n element.draw(ctx, area);\n }\n }\n\n for (i = 0; i < active.length; ++i) {\n active[i].draw(ctx, area);\n }\n }\n }, {\n key: \"getStyle\",\n value: function getStyle(index, active) {\n var mode = active ? 'active' : 'default';\n return index === undefined && this._cachedMeta.dataset ? this.resolveDatasetElementOptions(mode) : this.resolveDataElementOptions(index || 0, mode);\n }\n }, {\n key: \"getContext\",\n value: function getContext(index, active, mode) {\n var dataset = this.getDataset();\n var context;\n\n if (index >= 0 && index < this._cachedMeta.data.length) {\n var element = this._cachedMeta.data[index];\n context = element.$context || (element.$context = createDataContext(this.getContext(), index, element));\n context.parsed = this.getParsed(index);\n context.raw = dataset.data[index];\n context.index = context.dataIndex = index;\n } else {\n context = this.$context || (this.$context = createDatasetContext(this.chart.getContext(), this.index));\n context.dataset = dataset;\n context.index = context.datasetIndex = this.index;\n }\n\n context.active = !!active;\n context.mode = mode;\n return context;\n }\n }, {\n key: \"resolveDatasetElementOptions\",\n value: function resolveDatasetElementOptions(mode) {\n return this._resolveElementOptions(this.datasetElementType.id, mode);\n }\n }, {\n key: \"resolveDataElementOptions\",\n value: function resolveDataElementOptions(index, mode) {\n return this._resolveElementOptions(this.dataElementType.id, mode, index);\n }\n }, {\n key: \"_resolveElementOptions\",\n value: function _resolveElementOptions(elementType) {\n var _this3 = this;\n\n var mode = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'default';\n var index = arguments.length > 2 ? arguments[2] : undefined;\n var active = mode === 'active';\n var cache = this._cachedDataOpts;\n var cacheKey = elementType + '-' + mode;\n var cached = cache[cacheKey];\n var sharing = this.enableOptionSharing && defined(index);\n\n if (cached) {\n return cloneIfNotShared(cached, sharing);\n }\n\n var config = this.chart.config;\n var scopeKeys = config.datasetElementScopeKeys(this._type, elementType);\n var prefixes = active ? [\"\".concat(elementType, \"Hover\"), 'hover', elementType, ''] : [elementType, ''];\n var scopes = config.getOptionScopes(this.getDataset(), scopeKeys);\n var names = Object.keys(defaults.elements[elementType]);\n\n var context = function context() {\n return _this3.getContext(index, active);\n };\n\n var values = config.resolveNamedOptions(scopes, names, context, prefixes);\n\n if (values.$shared) {\n values.$shared = sharing;\n cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing));\n }\n\n return values;\n }\n }, {\n key: \"_resolveAnimations\",\n value: function _resolveAnimations(index, transition, active) {\n var chart = this.chart;\n var cache = this._cachedDataOpts;\n var cacheKey = \"animation-\".concat(transition);\n var cached = cache[cacheKey];\n\n if (cached) {\n return cached;\n }\n\n var options;\n\n if (chart.options.animation !== false) {\n var config = this.chart.config;\n var scopeKeys = config.datasetAnimationScopeKeys(this._type, transition);\n var scopes = config.getOptionScopes(this.getDataset(), scopeKeys);\n options = config.createResolver(scopes, this.getContext(index, active, transition));\n }\n\n var animations = new Animations(chart, options && options.animations);\n\n if (options && options._cacheable) {\n cache[cacheKey] = Object.freeze(animations);\n }\n\n return animations;\n }\n }, {\n key: \"getSharedOptions\",\n value: function getSharedOptions(options) {\n if (!options.$shared) {\n return;\n }\n\n return this._sharedOptions || (this._sharedOptions = Object.assign({}, options));\n }\n }, {\n key: \"includeOptions\",\n value: function includeOptions(mode, sharedOptions) {\n return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled;\n }\n }, {\n key: \"_getSharedOptions\",\n value: function _getSharedOptions(start, mode) {\n var firstOpts = this.resolveDataElementOptions(start, mode);\n var previouslySharedOptions = this._sharedOptions;\n var sharedOptions = this.getSharedOptions(firstOpts);\n var includeOptions = this.includeOptions(mode, sharedOptions) || sharedOptions !== previouslySharedOptions;\n this.updateSharedOptions(sharedOptions, mode, firstOpts);\n return {\n sharedOptions: sharedOptions,\n includeOptions: includeOptions\n };\n }\n }, {\n key: \"updateElement\",\n value: function updateElement(element, index, properties, mode) {\n if (isDirectUpdateMode(mode)) {\n Object.assign(element, properties);\n } else {\n this._resolveAnimations(index, mode).update(element, properties);\n }\n }\n }, {\n key: \"updateSharedOptions\",\n value: function updateSharedOptions(sharedOptions, mode, newOptions) {\n if (sharedOptions && !isDirectUpdateMode(mode)) {\n this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions);\n }\n }\n }, {\n key: \"_setStyle\",\n value: function _setStyle(element, index, mode, active) {\n element.active = active;\n var options = this.getStyle(index, active);\n\n this._resolveAnimations(index, mode, active).update(element, {\n options: !active && this.getSharedOptions(options) || options\n });\n }\n }, {\n key: \"removeHoverStyle\",\n value: function removeHoverStyle(element, datasetIndex, index) {\n this._setStyle(element, index, 'active', false);\n }\n }, {\n key: \"setHoverStyle\",\n value: function setHoverStyle(element, datasetIndex, index) {\n this._setStyle(element, index, 'active', true);\n }\n }, {\n key: \"_removeDatasetHoverStyle\",\n value: function _removeDatasetHoverStyle() {\n var element = this._cachedMeta.dataset;\n\n if (element) {\n this._setStyle(element, undefined, 'active', false);\n }\n }\n }, {\n key: \"_setDatasetHoverStyle\",\n value: function _setDatasetHoverStyle() {\n var element = this._cachedMeta.dataset;\n\n if (element) {\n this._setStyle(element, undefined, 'active', true);\n }\n }\n }, {\n key: \"_resyncElements\",\n value: function _resyncElements(resetNewElements) {\n var data = this._data;\n var elements = this._cachedMeta.data;\n\n var _iterator4 = _createForOfIteratorHelper(this._syncList),\n _step4;\n\n try {\n for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {\n var _ref3 = _step4.value;\n\n var _ref2 = _slicedToArray(_ref3, 3);\n\n var method = _ref2[0];\n var arg1 = _ref2[1];\n var arg2 = _ref2[2];\n this[method](arg1, arg2);\n }\n } catch (err) {\n _iterator4.e(err);\n } finally {\n _iterator4.f();\n }\n\n this._syncList = [];\n var numMeta = elements.length;\n var numData = data.length;\n var count = Math.min(numData, numMeta);\n\n if (count) {\n this.parse(0, count);\n }\n\n if (numData > numMeta) {\n this._insertElements(numMeta, numData - numMeta, resetNewElements);\n } else if (numData < numMeta) {\n this._removeElements(numData, numMeta - numData);\n }\n }\n }, {\n key: \"_insertElements\",\n value: function _insertElements(start, count) {\n var resetNewElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;\n var meta = this._cachedMeta;\n var data = meta.data;\n var end = start + count;\n var i;\n\n var move = function move(arr) {\n arr.length += count;\n\n for (i = arr.length - 1; i >= end; i--) {\n arr[i] = arr[i - count];\n }\n };\n\n move(data);\n\n for (i = start; i < end; ++i) {\n data[i] = new this.dataElementType();\n }\n\n if (this._parsing) {\n move(meta._parsed);\n }\n\n this.parse(start, count);\n\n if (resetNewElements) {\n this.updateElements(data, start, count, 'reset');\n }\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(element, start, count, mode) {}\n }, {\n key: \"_removeElements\",\n value: function _removeElements(start, count) {\n var meta = this._cachedMeta;\n\n if (this._parsing) {\n var removed = meta._parsed.splice(start, count);\n\n if (meta._stacked) {\n clearStacks(meta, removed);\n }\n }\n\n meta.data.splice(start, count);\n }\n }, {\n key: \"_sync\",\n value: function _sync(args) {\n if (this._parsing) {\n this._syncList.push(args);\n } else {\n var _args2 = _slicedToArray(args, 3),\n method = _args2[0],\n arg1 = _args2[1],\n arg2 = _args2[2];\n\n this[method](arg1, arg2);\n }\n\n this.chart._dataChanges.push([this.index].concat(_toConsumableArray(args)));\n }\n }, {\n key: \"_onDataPush\",\n value: function _onDataPush() {\n var count = arguments.length;\n\n this._sync(['_insertElements', this.getDataset().data.length - count, count]);\n }\n }, {\n key: \"_onDataPop\",\n value: function _onDataPop() {\n this._sync(['_removeElements', this._cachedMeta.data.length - 1, 1]);\n }\n }, {\n key: \"_onDataShift\",\n value: function _onDataShift() {\n this._sync(['_removeElements', 0, 1]);\n }\n }, {\n key: \"_onDataSplice\",\n value: function _onDataSplice(start, count) {\n if (count) {\n this._sync(['_removeElements', start, count]);\n }\n\n var newCount = arguments.length - 2;\n\n if (newCount) {\n this._sync(['_insertElements', start, newCount]);\n }\n }\n }, {\n key: \"_onDataUnshift\",\n value: function _onDataUnshift() {\n this._sync(['_insertElements', 0, arguments.length]);\n }\n }]);\n\n return DatasetController;\n}();\n\nDatasetController.defaults = {};\nDatasetController.prototype.datasetElementType = null;\nDatasetController.prototype.dataElementType = null;\n\nfunction getAllScaleValues(scale, type) {\n if (!scale._cache.$bar) {\n var visibleMetas = scale.getMatchingVisibleMetas(type);\n var values = [];\n\n for (var i = 0, ilen = visibleMetas.length; i < ilen; i++) {\n values = values.concat(visibleMetas[i].controller.getAllParsedValues(scale));\n }\n\n scale._cache.$bar = _arrayUnique(values.sort(function (a, b) {\n return a - b;\n }));\n }\n\n return scale._cache.$bar;\n}\n\nfunction computeMinSampleSize(meta) {\n var scale = meta.iScale;\n var values = getAllScaleValues(scale, meta.type);\n var min = scale._length;\n var i, ilen, curr, prev;\n\n var updateMinAndPrev = function updateMinAndPrev() {\n if (curr === 32767 || curr === -32768) {\n return;\n }\n\n if (defined(prev)) {\n min = Math.min(min, Math.abs(curr - prev) || min);\n }\n\n prev = curr;\n };\n\n for (i = 0, ilen = values.length; i < ilen; ++i) {\n curr = scale.getPixelForValue(values[i]);\n updateMinAndPrev();\n }\n\n prev = undefined;\n\n for (i = 0, ilen = scale.ticks.length; i < ilen; ++i) {\n curr = scale.getPixelForTick(i);\n updateMinAndPrev();\n }\n\n return min;\n}\n\nfunction computeFitCategoryTraits(index, ruler, options, stackCount) {\n var thickness = options.barThickness;\n var size, ratio;\n\n if (isNullOrUndef(thickness)) {\n size = ruler.min * options.categoryPercentage;\n ratio = options.barPercentage;\n } else {\n size = thickness * stackCount;\n ratio = 1;\n }\n\n return {\n chunk: size / stackCount,\n ratio: ratio,\n start: ruler.pixels[index] - size / 2\n };\n}\n\nfunction computeFlexCategoryTraits(index, ruler, options, stackCount) {\n var pixels = ruler.pixels;\n var curr = pixels[index];\n var prev = index > 0 ? pixels[index - 1] : null;\n var next = index < pixels.length - 1 ? pixels[index + 1] : null;\n var percent = options.categoryPercentage;\n\n if (prev === null) {\n prev = curr - (next === null ? ruler.end - ruler.start : next - curr);\n }\n\n if (next === null) {\n next = curr + curr - prev;\n }\n\n var start = curr - (curr - Math.min(prev, next)) / 2 * percent;\n var size = Math.abs(next - prev) / 2 * percent;\n return {\n chunk: size / stackCount,\n ratio: options.barPercentage,\n start: start\n };\n}\n\nfunction parseFloatBar(entry, item, vScale, i) {\n var startValue = vScale.parse(entry[0], i);\n var endValue = vScale.parse(entry[1], i);\n var min = Math.min(startValue, endValue);\n var max = Math.max(startValue, endValue);\n var barStart = min;\n var barEnd = max;\n\n if (Math.abs(min) > Math.abs(max)) {\n barStart = max;\n barEnd = min;\n }\n\n item[vScale.axis] = barEnd;\n item._custom = {\n barStart: barStart,\n barEnd: barEnd,\n start: startValue,\n end: endValue,\n min: min,\n max: max\n };\n}\n\nfunction parseValue(entry, item, vScale, i) {\n if (isArray(entry)) {\n parseFloatBar(entry, item, vScale, i);\n } else {\n item[vScale.axis] = vScale.parse(entry, i);\n }\n\n return item;\n}\n\nfunction parseArrayOrPrimitive(meta, data, start, count) {\n var iScale = meta.iScale;\n var vScale = meta.vScale;\n var labels = iScale.getLabels();\n var singleScale = iScale === vScale;\n var parsed = [];\n var i, ilen, item, entry;\n\n for (i = start, ilen = start + count; i < ilen; ++i) {\n entry = data[i];\n item = {};\n item[iScale.axis] = singleScale || iScale.parse(labels[i], i);\n parsed.push(parseValue(entry, item, vScale, i));\n }\n\n return parsed;\n}\n\nfunction isFloatBar(custom) {\n return custom && custom.barStart !== undefined && custom.barEnd !== undefined;\n}\n\nfunction barSign(size, vScale, actualBase) {\n if (size !== 0) {\n return sign(size);\n }\n\n return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1);\n}\n\nfunction borderProps(properties) {\n var reverse, start, end, top, bottom;\n\n if (properties.horizontal) {\n reverse = properties.base > properties.x;\n start = 'left';\n end = 'right';\n } else {\n reverse = properties.base < properties.y;\n start = 'bottom';\n end = 'top';\n }\n\n if (reverse) {\n top = 'end';\n bottom = 'start';\n } else {\n top = 'start';\n bottom = 'end';\n }\n\n return {\n start: start,\n end: end,\n reverse: reverse,\n top: top,\n bottom: bottom\n };\n}\n\nfunction setBorderSkipped(properties, options, stack, index) {\n var edge = options.borderSkipped;\n var res = {};\n\n if (!edge) {\n properties.borderSkipped = res;\n return;\n }\n\n if (edge === true) {\n properties.borderSkipped = {\n top: true,\n right: true,\n bottom: true,\n left: true\n };\n return;\n }\n\n var _borderProps = borderProps(properties),\n start = _borderProps.start,\n end = _borderProps.end,\n reverse = _borderProps.reverse,\n top = _borderProps.top,\n bottom = _borderProps.bottom;\n\n if (edge === 'middle' && stack) {\n properties.enableBorderRadius = true;\n\n if ((stack._top || 0) === index) {\n edge = top;\n } else if ((stack._bottom || 0) === index) {\n edge = bottom;\n } else {\n res[parseEdge(bottom, start, end, reverse)] = true;\n edge = top;\n }\n }\n\n res[parseEdge(edge, start, end, reverse)] = true;\n properties.borderSkipped = res;\n}\n\nfunction parseEdge(edge, a, b, reverse) {\n if (reverse) {\n edge = swap(edge, a, b);\n edge = startEnd(edge, b, a);\n } else {\n edge = startEnd(edge, a, b);\n }\n\n return edge;\n}\n\nfunction swap(orig, v1, v2) {\n return orig === v1 ? v2 : orig === v2 ? v1 : orig;\n}\n\nfunction startEnd(v, start, end) {\n return v === 'start' ? start : v === 'end' ? end : v;\n}\n\nfunction setInflateAmount(properties, _ref4, ratio) {\n var inflateAmount = _ref4.inflateAmount;\n properties.inflateAmount = inflateAmount === 'auto' ? ratio === 1 ? 0.33 : 0 : inflateAmount;\n}\n\nvar BarController = /*#__PURE__*/function (_DatasetController) {\n _inherits(BarController, _DatasetController);\n\n var _super = _createSuper(BarController);\n\n function BarController() {\n _classCallCheck(this, BarController);\n\n return _super.apply(this, arguments);\n }\n\n _createClass(BarController, [{\n key: \"parsePrimitiveData\",\n value: function parsePrimitiveData(meta, data, start, count) {\n return parseArrayOrPrimitive(meta, data, start, count);\n }\n }, {\n key: \"parseArrayData\",\n value: function parseArrayData(meta, data, start, count) {\n return parseArrayOrPrimitive(meta, data, start, count);\n }\n }, {\n key: \"parseObjectData\",\n value: function parseObjectData(meta, data, start, count) {\n var iScale = meta.iScale,\n vScale = meta.vScale;\n var _this$_parsing2 = this._parsing,\n _this$_parsing2$xAxis = _this$_parsing2.xAxisKey,\n xAxisKey = _this$_parsing2$xAxis === void 0 ? 'x' : _this$_parsing2$xAxis,\n _this$_parsing2$yAxis = _this$_parsing2.yAxisKey,\n yAxisKey = _this$_parsing2$yAxis === void 0 ? 'y' : _this$_parsing2$yAxis;\n var iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey;\n var vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey;\n var parsed = [];\n var i, ilen, item, obj;\n\n for (i = start, ilen = start + count; i < ilen; ++i) {\n obj = data[i];\n item = {};\n item[iScale.axis] = iScale.parse(resolveObjectKey(obj, iAxisKey), i);\n parsed.push(parseValue(resolveObjectKey(obj, vAxisKey), item, vScale, i));\n }\n\n return parsed;\n }\n }, {\n key: \"updateRangeFromParsed\",\n value: function updateRangeFromParsed(range, scale, parsed, stack) {\n _get(_getPrototypeOf(BarController.prototype), \"updateRangeFromParsed\", this).call(this, range, scale, parsed, stack);\n\n var custom = parsed._custom;\n\n if (custom && scale === this._cachedMeta.vScale) {\n range.min = Math.min(range.min, custom.min);\n range.max = Math.max(range.max, custom.max);\n }\n }\n }, {\n key: \"getMaxOverflow\",\n value: function getMaxOverflow() {\n return 0;\n }\n }, {\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var meta = this._cachedMeta;\n var iScale = meta.iScale,\n vScale = meta.vScale;\n var parsed = this.getParsed(index);\n var custom = parsed._custom;\n var value = isFloatBar(custom) ? '[' + custom.start + ', ' + custom.end + ']' : '' + vScale.getLabelForValue(parsed[vScale.axis]);\n return {\n label: '' + iScale.getLabelForValue(parsed[iScale.axis]),\n value: value\n };\n }\n }, {\n key: \"initialize\",\n value: function initialize() {\n this.enableOptionSharing = true;\n\n _get(_getPrototypeOf(BarController.prototype), \"initialize\", this).call(this);\n\n var meta = this._cachedMeta;\n meta.stack = this.getDataset().stack;\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var meta = this._cachedMeta;\n this.updateElements(meta.data, 0, meta.data.length, mode);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(bars, start, count, mode) {\n var reset = mode === 'reset';\n var index = this.index,\n vScale = this._cachedMeta.vScale;\n var base = vScale.getBasePixel();\n var horizontal = vScale.isHorizontal();\n\n var ruler = this._getRuler();\n\n var _this$_getSharedOptio = this._getSharedOptions(start, mode),\n sharedOptions = _this$_getSharedOptio.sharedOptions,\n includeOptions = _this$_getSharedOptio.includeOptions;\n\n for (var i = start; i < start + count; i++) {\n var parsed = this.getParsed(i);\n var vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? {\n base: base,\n head: base\n } : this._calculateBarValuePixels(i);\n\n var ipixels = this._calculateBarIndexPixels(i, ruler);\n\n var stack = (parsed._stacks || {})[vScale.axis];\n var properties = {\n horizontal: horizontal,\n base: vpixels.base,\n enableBorderRadius: !stack || isFloatBar(parsed._custom) || index === stack._top || index === stack._bottom,\n x: horizontal ? vpixels.head : ipixels.center,\n y: horizontal ? ipixels.center : vpixels.head,\n height: horizontal ? ipixels.size : Math.abs(vpixels.size),\n width: horizontal ? Math.abs(vpixels.size) : ipixels.size\n };\n\n if (includeOptions) {\n properties.options = sharedOptions || this.resolveDataElementOptions(i, bars[i].active ? 'active' : mode);\n }\n\n var options = properties.options || bars[i].options;\n setBorderSkipped(properties, options, stack, index);\n setInflateAmount(properties, options, ruler.ratio);\n this.updateElement(bars[i], i, properties, mode);\n }\n }\n }, {\n key: \"_getStacks\",\n value: function _getStacks(last, dataIndex) {\n var iScale = this._cachedMeta.iScale;\n var metasets = iScale.getMatchingVisibleMetas(this._type).filter(function (meta) {\n return meta.controller.options.grouped;\n });\n var stacked = iScale.options.stacked;\n var stacks = [];\n\n var skipNull = function skipNull(meta) {\n var parsed = meta.controller.getParsed(dataIndex);\n var val = parsed && parsed[meta.vScale.axis];\n\n if (isNullOrUndef(val) || isNaN(val)) {\n return true;\n }\n };\n\n var _iterator5 = _createForOfIteratorHelper(metasets),\n _step5;\n\n try {\n for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {\n var meta = _step5.value;\n\n if (dataIndex !== undefined && skipNull(meta)) {\n continue;\n }\n\n if (stacked === false || stacks.indexOf(meta.stack) === -1 || stacked === undefined && meta.stack === undefined) {\n stacks.push(meta.stack);\n }\n\n if (meta.index === last) {\n break;\n }\n }\n } catch (err) {\n _iterator5.e(err);\n } finally {\n _iterator5.f();\n }\n\n if (!stacks.length) {\n stacks.push(undefined);\n }\n\n return stacks;\n }\n }, {\n key: \"_getStackCount\",\n value: function _getStackCount(index) {\n return this._getStacks(undefined, index).length;\n }\n }, {\n key: \"_getStackIndex\",\n value: function _getStackIndex(datasetIndex, name, dataIndex) {\n var stacks = this._getStacks(datasetIndex, dataIndex);\n\n var index = name !== undefined ? stacks.indexOf(name) : -1;\n return index === -1 ? stacks.length - 1 : index;\n }\n }, {\n key: \"_getRuler\",\n value: function _getRuler() {\n var opts = this.options;\n var meta = this._cachedMeta;\n var iScale = meta.iScale;\n var pixels = [];\n var i, ilen;\n\n for (i = 0, ilen = meta.data.length; i < ilen; ++i) {\n pixels.push(iScale.getPixelForValue(this.getParsed(i)[iScale.axis], i));\n }\n\n var barThickness = opts.barThickness;\n var min = barThickness || computeMinSampleSize(meta);\n return {\n min: min,\n pixels: pixels,\n start: iScale._startPixel,\n end: iScale._endPixel,\n stackCount: this._getStackCount(),\n scale: iScale,\n grouped: opts.grouped,\n ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage\n };\n }\n }, {\n key: \"_calculateBarValuePixels\",\n value: function _calculateBarValuePixels(index) {\n var _this$_cachedMeta = this._cachedMeta,\n vScale = _this$_cachedMeta.vScale,\n _stacked = _this$_cachedMeta._stacked,\n _this$options = this.options,\n baseValue = _this$options.base,\n minBarLength = _this$options.minBarLength;\n var actualBase = baseValue || 0;\n var parsed = this.getParsed(index);\n var custom = parsed._custom;\n var floating = isFloatBar(custom);\n var value = parsed[vScale.axis];\n var start = 0;\n var length = _stacked ? this.applyStack(vScale, parsed, _stacked) : value;\n var head, size;\n\n if (length !== value) {\n start = length - value;\n length = value;\n }\n\n if (floating) {\n value = custom.barStart;\n length = custom.barEnd - custom.barStart;\n\n if (value !== 0 && sign(value) !== sign(custom.barEnd)) {\n start = 0;\n }\n\n start += value;\n }\n\n var startValue = !isNullOrUndef(baseValue) && !floating ? baseValue : start;\n var base = vScale.getPixelForValue(startValue);\n\n if (this.chart.getDataVisibility(index)) {\n head = vScale.getPixelForValue(start + length);\n } else {\n head = base;\n }\n\n size = head - base;\n\n if (Math.abs(size) < minBarLength) {\n size = barSign(size, vScale, actualBase) * minBarLength;\n\n if (value === actualBase) {\n base -= size / 2;\n }\n\n var startPixel = vScale.getPixelForDecimal(0);\n var endPixel = vScale.getPixelForDecimal(1);\n var min = Math.min(startPixel, endPixel);\n var max = Math.max(startPixel, endPixel);\n base = Math.max(Math.min(base, max), min);\n head = base + size;\n }\n\n if (base === vScale.getPixelForValue(actualBase)) {\n var halfGrid = sign(size) * vScale.getLineWidthForValue(actualBase) / 2;\n base += halfGrid;\n size -= halfGrid;\n }\n\n return {\n size: size,\n base: base,\n head: head,\n center: head + size / 2\n };\n }\n }, {\n key: \"_calculateBarIndexPixels\",\n value: function _calculateBarIndexPixels(index, ruler) {\n var scale = ruler.scale;\n var options = this.options;\n var skipNull = options.skipNull;\n var maxBarThickness = valueOrDefault(options.maxBarThickness, Infinity);\n var center, size;\n\n if (ruler.grouped) {\n var stackCount = skipNull ? this._getStackCount(index) : ruler.stackCount;\n var range = options.barThickness === 'flex' ? computeFlexCategoryTraits(index, ruler, options, stackCount) : computeFitCategoryTraits(index, ruler, options, stackCount);\n\n var stackIndex = this._getStackIndex(this.index, this._cachedMeta.stack, skipNull ? index : undefined);\n\n center = range.start + range.chunk * stackIndex + range.chunk / 2;\n size = Math.min(maxBarThickness, range.chunk * range.ratio);\n } else {\n center = scale.getPixelForValue(this.getParsed(index)[scale.axis], index);\n size = Math.min(maxBarThickness, ruler.min * ruler.ratio);\n }\n\n return {\n base: center - size / 2,\n head: center + size / 2,\n center: center,\n size: size\n };\n }\n }, {\n key: \"draw\",\n value: function draw() {\n var meta = this._cachedMeta;\n var vScale = meta.vScale;\n var rects = meta.data;\n var ilen = rects.length;\n var i = 0;\n\n for (; i < ilen; ++i) {\n if (this.getParsed(i)[vScale.axis] !== null) {\n rects[i].draw(this._ctx);\n }\n }\n }\n }]);\n\n return BarController;\n}(DatasetController);\n\nBarController.id = 'bar';\nBarController.defaults = {\n datasetElementType: false,\n dataElementType: 'bar',\n categoryPercentage: 0.8,\n barPercentage: 0.9,\n grouped: true,\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'base', 'width', 'height']\n }\n }\n};\nBarController.overrides = {\n scales: {\n _index_: {\n type: 'category',\n offset: true,\n grid: {\n offset: true\n }\n },\n _value_: {\n type: 'linear',\n beginAtZero: true\n }\n }\n};\n\nvar BubbleController = /*#__PURE__*/function (_DatasetController2) {\n _inherits(BubbleController, _DatasetController2);\n\n var _super2 = _createSuper(BubbleController);\n\n function BubbleController() {\n _classCallCheck(this, BubbleController);\n\n return _super2.apply(this, arguments);\n }\n\n _createClass(BubbleController, [{\n key: \"initialize\",\n value: function initialize() {\n this.enableOptionSharing = true;\n\n _get(_getPrototypeOf(BubbleController.prototype), \"initialize\", this).call(this);\n }\n }, {\n key: \"parsePrimitiveData\",\n value: function parsePrimitiveData(meta, data, start, count) {\n var parsed = _get(_getPrototypeOf(BubbleController.prototype), \"parsePrimitiveData\", this).call(this, meta, data, start, count);\n\n for (var i = 0; i < parsed.length; i++) {\n parsed[i]._custom = this.resolveDataElementOptions(i + start).radius;\n }\n\n return parsed;\n }\n }, {\n key: \"parseArrayData\",\n value: function parseArrayData(meta, data, start, count) {\n var parsed = _get(_getPrototypeOf(BubbleController.prototype), \"parseArrayData\", this).call(this, meta, data, start, count);\n\n for (var i = 0; i < parsed.length; i++) {\n var item = data[start + i];\n parsed[i]._custom = valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius);\n }\n\n return parsed;\n }\n }, {\n key: \"parseObjectData\",\n value: function parseObjectData(meta, data, start, count) {\n var parsed = _get(_getPrototypeOf(BubbleController.prototype), \"parseObjectData\", this).call(this, meta, data, start, count);\n\n for (var i = 0; i < parsed.length; i++) {\n var item = data[start + i];\n parsed[i]._custom = valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius);\n }\n\n return parsed;\n }\n }, {\n key: \"getMaxOverflow\",\n value: function getMaxOverflow() {\n var data = this._cachedMeta.data;\n var max = 0;\n\n for (var i = data.length - 1; i >= 0; --i) {\n max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2);\n }\n\n return max > 0 && max;\n }\n }, {\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var meta = this._cachedMeta;\n var xScale = meta.xScale,\n yScale = meta.yScale;\n var parsed = this.getParsed(index);\n var x = xScale.getLabelForValue(parsed.x);\n var y = yScale.getLabelForValue(parsed.y);\n var r = parsed._custom;\n return {\n label: meta.label,\n value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')'\n };\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var points = this._cachedMeta.data;\n this.updateElements(points, 0, points.length, mode);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(points, start, count, mode) {\n var reset = mode === 'reset';\n var _this$_cachedMeta2 = this._cachedMeta,\n iScale = _this$_cachedMeta2.iScale,\n vScale = _this$_cachedMeta2.vScale;\n\n var _this$_getSharedOptio2 = this._getSharedOptions(start, mode),\n sharedOptions = _this$_getSharedOptio2.sharedOptions,\n includeOptions = _this$_getSharedOptio2.includeOptions;\n\n var iAxis = iScale.axis;\n var vAxis = vScale.axis;\n\n for (var i = start; i < start + count; i++) {\n var point = points[i];\n var parsed = !reset && this.getParsed(i);\n var properties = {};\n var iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]);\n var vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]);\n properties.skip = isNaN(iPixel) || isNaN(vPixel);\n\n if (includeOptions) {\n properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode);\n\n if (reset) {\n properties.options.radius = 0;\n }\n }\n\n this.updateElement(point, i, properties, mode);\n }\n }\n }, {\n key: \"resolveDataElementOptions\",\n value: function resolveDataElementOptions(index, mode) {\n var parsed = this.getParsed(index);\n\n var values = _get(_getPrototypeOf(BubbleController.prototype), \"resolveDataElementOptions\", this).call(this, index, mode);\n\n if (values.$shared) {\n values = Object.assign({}, values, {\n $shared: false\n });\n }\n\n var radius = values.radius;\n\n if (mode !== 'active') {\n values.radius = 0;\n }\n\n values.radius += valueOrDefault(parsed && parsed._custom, radius);\n return values;\n }\n }]);\n\n return BubbleController;\n}(DatasetController);\n\nBubbleController.id = 'bubble';\nBubbleController.defaults = {\n datasetElementType: false,\n dataElementType: 'point',\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'borderWidth', 'radius']\n }\n }\n};\nBubbleController.overrides = {\n scales: {\n x: {\n type: 'linear'\n },\n y: {\n type: 'linear'\n }\n },\n plugins: {\n tooltip: {\n callbacks: {\n title: function title() {\n return '';\n }\n }\n }\n }\n};\n\nfunction getRatioAndOffset(rotation, circumference, cutout) {\n var ratioX = 1;\n var ratioY = 1;\n var offsetX = 0;\n var offsetY = 0;\n\n if (circumference < TAU) {\n var startAngle = rotation;\n var endAngle = startAngle + circumference;\n var startX = Math.cos(startAngle);\n var startY = Math.sin(startAngle);\n var endX = Math.cos(endAngle);\n var endY = Math.sin(endAngle);\n\n var calcMax = function calcMax(angle, a, b) {\n return _angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout);\n };\n\n var calcMin = function calcMin(angle, a, b) {\n return _angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout);\n };\n\n var maxX = calcMax(0, startX, endX);\n var maxY = calcMax(HALF_PI, startY, endY);\n var minX = calcMin(PI, startX, endX);\n var minY = calcMin(PI + HALF_PI, startY, endY);\n ratioX = (maxX - minX) / 2;\n ratioY = (maxY - minY) / 2;\n offsetX = -(maxX + minX) / 2;\n offsetY = -(maxY + minY) / 2;\n }\n\n return {\n ratioX: ratioX,\n ratioY: ratioY,\n offsetX: offsetX,\n offsetY: offsetY\n };\n}\n\nvar DoughnutController = /*#__PURE__*/function (_DatasetController3) {\n _inherits(DoughnutController, _DatasetController3);\n\n var _super3 = _createSuper(DoughnutController);\n\n function DoughnutController(chart, datasetIndex) {\n var _this4;\n\n _classCallCheck(this, DoughnutController);\n\n _this4 = _super3.call(this, chart, datasetIndex);\n _this4.enableOptionSharing = true;\n _this4.innerRadius = undefined;\n _this4.outerRadius = undefined;\n _this4.offsetX = undefined;\n _this4.offsetY = undefined;\n return _this4;\n }\n\n _createClass(DoughnutController, [{\n key: \"linkScales\",\n value: function linkScales() {}\n }, {\n key: \"parse\",\n value: function parse(start, count) {\n var data = this.getDataset().data;\n var meta = this._cachedMeta;\n\n if (this._parsing === false) {\n meta._parsed = data;\n } else {\n var getter = function getter(i) {\n return +data[i];\n };\n\n if (isObject(data[start])) {\n var _this$_parsing$key = this._parsing.key,\n key = _this$_parsing$key === void 0 ? 'value' : _this$_parsing$key;\n\n getter = function getter(i) {\n return +resolveObjectKey(data[i], key);\n };\n }\n\n var i, ilen;\n\n for (i = start, ilen = start + count; i < ilen; ++i) {\n meta._parsed[i] = getter(i);\n }\n }\n }\n }, {\n key: \"_getRotation\",\n value: function _getRotation() {\n return toRadians(this.options.rotation - 90);\n }\n }, {\n key: \"_getCircumference\",\n value: function _getCircumference() {\n return toRadians(this.options.circumference);\n }\n }, {\n key: \"_getRotationExtents\",\n value: function _getRotationExtents() {\n var min = TAU;\n var max = -TAU;\n\n for (var i = 0; i < this.chart.data.datasets.length; ++i) {\n if (this.chart.isDatasetVisible(i)) {\n var controller = this.chart.getDatasetMeta(i).controller;\n\n var rotation = controller._getRotation();\n\n var circumference = controller._getCircumference();\n\n min = Math.min(min, rotation);\n max = Math.max(max, rotation + circumference);\n }\n }\n\n return {\n rotation: min,\n circumference: max - min\n };\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var chart = this.chart;\n var chartArea = chart.chartArea;\n var meta = this._cachedMeta;\n var arcs = meta.data;\n var spacing = this.getMaxBorderWidth() + this.getMaxOffset(arcs) + this.options.spacing;\n var maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0);\n var cutout = Math.min(toPercentage(this.options.cutout, maxSize), 1);\n\n var chartWeight = this._getRingWeight(this.index);\n\n var _this$_getRotationExt = this._getRotationExtents(),\n circumference = _this$_getRotationExt.circumference,\n rotation = _this$_getRotationExt.rotation;\n\n var _getRatioAndOffset = getRatioAndOffset(rotation, circumference, cutout),\n ratioX = _getRatioAndOffset.ratioX,\n ratioY = _getRatioAndOffset.ratioY,\n offsetX = _getRatioAndOffset.offsetX,\n offsetY = _getRatioAndOffset.offsetY;\n\n var maxWidth = (chartArea.width - spacing) / ratioX;\n var maxHeight = (chartArea.height - spacing) / ratioY;\n var maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0);\n var outerRadius = toDimension(this.options.radius, maxRadius);\n var innerRadius = Math.max(outerRadius * cutout, 0);\n\n var radiusLength = (outerRadius - innerRadius) / this._getVisibleDatasetWeightTotal();\n\n this.offsetX = offsetX * outerRadius;\n this.offsetY = offsetY * outerRadius;\n meta.total = this.calculateTotal();\n this.outerRadius = outerRadius - radiusLength * this._getRingWeightOffset(this.index);\n this.innerRadius = Math.max(this.outerRadius - radiusLength * chartWeight, 0);\n this.updateElements(arcs, 0, arcs.length, mode);\n }\n }, {\n key: \"_circumference\",\n value: function _circumference(i, reset) {\n var opts = this.options;\n var meta = this._cachedMeta;\n\n var circumference = this._getCircumference();\n\n if (reset && opts.animation.animateRotate || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) {\n return 0;\n }\n\n return this.calculateCircumference(meta._parsed[i] * circumference / TAU);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(arcs, start, count, mode) {\n var reset = mode === 'reset';\n var chart = this.chart;\n var chartArea = chart.chartArea;\n var opts = chart.options;\n var animationOpts = opts.animation;\n var centerX = (chartArea.left + chartArea.right) / 2;\n var centerY = (chartArea.top + chartArea.bottom) / 2;\n var animateScale = reset && animationOpts.animateScale;\n var innerRadius = animateScale ? 0 : this.innerRadius;\n var outerRadius = animateScale ? 0 : this.outerRadius;\n\n var _this$_getSharedOptio3 = this._getSharedOptions(start, mode),\n sharedOptions = _this$_getSharedOptio3.sharedOptions,\n includeOptions = _this$_getSharedOptio3.includeOptions;\n\n var startAngle = this._getRotation();\n\n var i;\n\n for (i = 0; i < start; ++i) {\n startAngle += this._circumference(i, reset);\n }\n\n for (i = start; i < start + count; ++i) {\n var circumference = this._circumference(i, reset);\n\n var arc = arcs[i];\n var properties = {\n x: centerX + this.offsetX,\n y: centerY + this.offsetY,\n startAngle: startAngle,\n endAngle: startAngle + circumference,\n circumference: circumference,\n outerRadius: outerRadius,\n innerRadius: innerRadius\n };\n\n if (includeOptions) {\n properties.options = sharedOptions || this.resolveDataElementOptions(i, arc.active ? 'active' : mode);\n }\n\n startAngle += circumference;\n this.updateElement(arc, i, properties, mode);\n }\n }\n }, {\n key: \"calculateTotal\",\n value: function calculateTotal() {\n var meta = this._cachedMeta;\n var metaData = meta.data;\n var total = 0;\n var i;\n\n for (i = 0; i < metaData.length; i++) {\n var value = meta._parsed[i];\n\n if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) {\n total += Math.abs(value);\n }\n }\n\n return total;\n }\n }, {\n key: \"calculateCircumference\",\n value: function calculateCircumference(value) {\n var total = this._cachedMeta.total;\n\n if (total > 0 && !isNaN(value)) {\n return TAU * (Math.abs(value) / total);\n }\n\n return 0;\n }\n }, {\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var meta = this._cachedMeta;\n var chart = this.chart;\n var labels = chart.data.labels || [];\n var value = formatNumber(meta._parsed[index], chart.options.locale);\n return {\n label: labels[index] || '',\n value: value\n };\n }\n }, {\n key: \"getMaxBorderWidth\",\n value: function getMaxBorderWidth(arcs) {\n var max = 0;\n var chart = this.chart;\n var i, ilen, meta, controller, options;\n\n if (!arcs) {\n for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {\n if (chart.isDatasetVisible(i)) {\n meta = chart.getDatasetMeta(i);\n arcs = meta.data;\n controller = meta.controller;\n break;\n }\n }\n }\n\n if (!arcs) {\n return 0;\n }\n\n for (i = 0, ilen = arcs.length; i < ilen; ++i) {\n options = controller.resolveDataElementOptions(i);\n\n if (options.borderAlign !== 'inner') {\n max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0);\n }\n }\n\n return max;\n }\n }, {\n key: \"getMaxOffset\",\n value: function getMaxOffset(arcs) {\n var max = 0;\n\n for (var i = 0, ilen = arcs.length; i < ilen; ++i) {\n var options = this.resolveDataElementOptions(i);\n max = Math.max(max, options.offset || 0, options.hoverOffset || 0);\n }\n\n return max;\n }\n }, {\n key: \"_getRingWeightOffset\",\n value: function _getRingWeightOffset(datasetIndex) {\n var ringWeightOffset = 0;\n\n for (var i = 0; i < datasetIndex; ++i) {\n if (this.chart.isDatasetVisible(i)) {\n ringWeightOffset += this._getRingWeight(i);\n }\n }\n\n return ringWeightOffset;\n }\n }, {\n key: \"_getRingWeight\",\n value: function _getRingWeight(datasetIndex) {\n return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0);\n }\n }, {\n key: \"_getVisibleDatasetWeightTotal\",\n value: function _getVisibleDatasetWeightTotal() {\n return this._getRingWeightOffset(this.chart.data.datasets.length) || 1;\n }\n }]);\n\n return DoughnutController;\n}(DatasetController);\n\nDoughnutController.id = 'doughnut';\nDoughnutController.defaults = {\n datasetElementType: false,\n dataElementType: 'arc',\n animation: {\n animateRotate: true,\n animateScale: false\n },\n animations: {\n numbers: {\n type: 'number',\n properties: ['circumference', 'endAngle', 'innerRadius', 'outerRadius', 'startAngle', 'x', 'y', 'offset', 'borderWidth', 'spacing']\n }\n },\n cutout: '50%',\n rotation: 0,\n circumference: 360,\n radius: '100%',\n spacing: 0,\n indexAxis: 'r'\n};\nDoughnutController.descriptors = {\n _scriptable: function _scriptable(name) {\n return name !== 'spacing';\n },\n _indexable: function _indexable(name) {\n return name !== 'spacing';\n }\n};\nDoughnutController.overrides = {\n aspectRatio: 1,\n plugins: {\n legend: {\n labels: {\n generateLabels: function generateLabels(chart) {\n var data = chart.data;\n\n if (data.labels.length && data.datasets.length) {\n var pointStyle = chart.legend.options.labels.pointStyle;\n return data.labels.map(function (label, i) {\n var meta = chart.getDatasetMeta(0);\n var style = meta.controller.getStyle(i);\n return {\n text: label,\n fillStyle: style.backgroundColor,\n strokeStyle: style.borderColor,\n lineWidth: style.borderWidth,\n pointStyle: pointStyle,\n hidden: !chart.getDataVisibility(i),\n index: i\n };\n });\n }\n\n return [];\n }\n },\n onClick: function onClick(e, legendItem, legend) {\n legend.chart.toggleDataVisibility(legendItem.index);\n legend.chart.update();\n }\n },\n tooltip: {\n callbacks: {\n title: function title() {\n return '';\n },\n label: function label(tooltipItem) {\n var dataLabel = tooltipItem.label;\n var value = ': ' + tooltipItem.formattedValue;\n\n if (isArray(dataLabel)) {\n dataLabel = dataLabel.slice();\n dataLabel[0] += value;\n } else {\n dataLabel += value;\n }\n\n return dataLabel;\n }\n }\n }\n }\n};\n\nvar LineController = /*#__PURE__*/function (_DatasetController4) {\n _inherits(LineController, _DatasetController4);\n\n var _super4 = _createSuper(LineController);\n\n function LineController() {\n _classCallCheck(this, LineController);\n\n return _super4.apply(this, arguments);\n }\n\n _createClass(LineController, [{\n key: \"initialize\",\n value: function initialize() {\n this.enableOptionSharing = true;\n this.supportsDecimation = true;\n\n _get(_getPrototypeOf(LineController.prototype), \"initialize\", this).call(this);\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var meta = this._cachedMeta;\n var line = meta.dataset,\n _meta$data = meta.data,\n points = _meta$data === void 0 ? [] : _meta$data,\n _dataset = meta._dataset;\n var animationsDisabled = this.chart._animationsDisabled;\n\n var _getStartAndCountOfVi = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled),\n start = _getStartAndCountOfVi.start,\n count = _getStartAndCountOfVi.count;\n\n this._drawStart = start;\n this._drawCount = count;\n\n if (_scaleRangesChanged(meta)) {\n start = 0;\n count = points.length;\n }\n\n line._chart = this.chart;\n line._datasetIndex = this.index;\n line._decimated = !!_dataset._decimated;\n line.points = points;\n var options = this.resolveDatasetElementOptions(mode);\n\n if (!this.options.showLine) {\n options.borderWidth = 0;\n }\n\n options.segment = this.options.segment;\n this.updateElement(line, undefined, {\n animated: !animationsDisabled,\n options: options\n }, mode);\n this.updateElements(points, start, count, mode);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(points, start, count, mode) {\n var reset = mode === 'reset';\n var _this$_cachedMeta3 = this._cachedMeta,\n iScale = _this$_cachedMeta3.iScale,\n vScale = _this$_cachedMeta3.vScale,\n _stacked = _this$_cachedMeta3._stacked,\n _dataset = _this$_cachedMeta3._dataset;\n\n var _this$_getSharedOptio4 = this._getSharedOptions(start, mode),\n sharedOptions = _this$_getSharedOptio4.sharedOptions,\n includeOptions = _this$_getSharedOptio4.includeOptions;\n\n var iAxis = iScale.axis;\n var vAxis = vScale.axis;\n var _this$options2 = this.options,\n spanGaps = _this$options2.spanGaps,\n segment = _this$options2.segment;\n var maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY;\n var directUpdate = this.chart._animationsDisabled || reset || mode === 'none';\n var prevParsed = start > 0 && this.getParsed(start - 1);\n\n for (var i = start; i < start + count; ++i) {\n var point = points[i];\n var parsed = this.getParsed(i);\n var properties = directUpdate ? point : {};\n var nullData = isNullOrUndef(parsed[vAxis]);\n var iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i);\n var vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i);\n properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData;\n properties.stop = i > 0 && Math.abs(parsed[iAxis] - prevParsed[iAxis]) > maxGapLength;\n\n if (segment) {\n properties.parsed = parsed;\n properties.raw = _dataset.data[i];\n }\n\n if (includeOptions) {\n properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode);\n }\n\n if (!directUpdate) {\n this.updateElement(point, i, properties, mode);\n }\n\n prevParsed = parsed;\n }\n }\n }, {\n key: \"getMaxOverflow\",\n value: function getMaxOverflow() {\n var meta = this._cachedMeta;\n var dataset = meta.dataset;\n var border = dataset.options && dataset.options.borderWidth || 0;\n var data = meta.data || [];\n\n if (!data.length) {\n return border;\n }\n\n var firstPoint = data[0].size(this.resolveDataElementOptions(0));\n var lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1));\n return Math.max(border, firstPoint, lastPoint) / 2;\n }\n }, {\n key: \"draw\",\n value: function draw() {\n var meta = this._cachedMeta;\n meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis);\n\n _get(_getPrototypeOf(LineController.prototype), \"draw\", this).call(this);\n }\n }]);\n\n return LineController;\n}(DatasetController);\n\nLineController.id = 'line';\nLineController.defaults = {\n datasetElementType: 'line',\n dataElementType: 'point',\n showLine: true,\n spanGaps: false\n};\nLineController.overrides = {\n scales: {\n _index_: {\n type: 'category'\n },\n _value_: {\n type: 'linear'\n }\n }\n};\n\nvar PolarAreaController = /*#__PURE__*/function (_DatasetController5) {\n _inherits(PolarAreaController, _DatasetController5);\n\n var _super5 = _createSuper(PolarAreaController);\n\n function PolarAreaController(chart, datasetIndex) {\n var _this5;\n\n _classCallCheck(this, PolarAreaController);\n\n _this5 = _super5.call(this, chart, datasetIndex);\n _this5.innerRadius = undefined;\n _this5.outerRadius = undefined;\n return _this5;\n }\n\n _createClass(PolarAreaController, [{\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var meta = this._cachedMeta;\n var chart = this.chart;\n var labels = chart.data.labels || [];\n var value = formatNumber(meta._parsed[index].r, chart.options.locale);\n return {\n label: labels[index] || '',\n value: value\n };\n }\n }, {\n key: \"parseObjectData\",\n value: function parseObjectData(meta, data, start, count) {\n return _parseObjectDataRadialScale.bind(this)(meta, data, start, count);\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var arcs = this._cachedMeta.data;\n\n this._updateRadius();\n\n this.updateElements(arcs, 0, arcs.length, mode);\n }\n }, {\n key: \"getMinMax\",\n value: function getMinMax() {\n var _this6 = this;\n\n var meta = this._cachedMeta;\n var range = {\n min: Number.POSITIVE_INFINITY,\n max: Number.NEGATIVE_INFINITY\n };\n meta.data.forEach(function (element, index) {\n var parsed = _this6.getParsed(index).r;\n\n if (!isNaN(parsed) && _this6.chart.getDataVisibility(index)) {\n if (parsed < range.min) {\n range.min = parsed;\n }\n\n if (parsed > range.max) {\n range.max = parsed;\n }\n }\n });\n return range;\n }\n }, {\n key: \"_updateRadius\",\n value: function _updateRadius() {\n var chart = this.chart;\n var chartArea = chart.chartArea;\n var opts = chart.options;\n var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);\n var outerRadius = Math.max(minSize / 2, 0);\n var innerRadius = Math.max(opts.cutoutPercentage ? outerRadius / 100 * opts.cutoutPercentage : 1, 0);\n var radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount();\n this.outerRadius = outerRadius - radiusLength * this.index;\n this.innerRadius = this.outerRadius - radiusLength;\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(arcs, start, count, mode) {\n var reset = mode === 'reset';\n var chart = this.chart;\n var opts = chart.options;\n var animationOpts = opts.animation;\n var scale = this._cachedMeta.rScale;\n var centerX = scale.xCenter;\n var centerY = scale.yCenter;\n var datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI;\n var angle = datasetStartAngle;\n var i;\n var defaultAngle = 360 / this.countVisibleElements();\n\n for (i = 0; i < start; ++i) {\n angle += this._computeAngle(i, mode, defaultAngle);\n }\n\n for (i = start; i < start + count; i++) {\n var arc = arcs[i];\n var startAngle = angle;\n\n var endAngle = angle + this._computeAngle(i, mode, defaultAngle);\n\n var outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(this.getParsed(i).r) : 0;\n angle = endAngle;\n\n if (reset) {\n if (animationOpts.animateScale) {\n outerRadius = 0;\n }\n\n if (animationOpts.animateRotate) {\n startAngle = endAngle = datasetStartAngle;\n }\n }\n\n var properties = {\n x: centerX,\n y: centerY,\n innerRadius: 0,\n outerRadius: outerRadius,\n startAngle: startAngle,\n endAngle: endAngle,\n options: this.resolveDataElementOptions(i, arc.active ? 'active' : mode)\n };\n this.updateElement(arc, i, properties, mode);\n }\n }\n }, {\n key: \"countVisibleElements\",\n value: function countVisibleElements() {\n var _this7 = this;\n\n var meta = this._cachedMeta;\n var count = 0;\n meta.data.forEach(function (element, index) {\n if (!isNaN(_this7.getParsed(index).r) && _this7.chart.getDataVisibility(index)) {\n count++;\n }\n });\n return count;\n }\n }, {\n key: \"_computeAngle\",\n value: function _computeAngle(index, mode, defaultAngle) {\n return this.chart.getDataVisibility(index) ? toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle) : 0;\n }\n }]);\n\n return PolarAreaController;\n}(DatasetController);\n\nPolarAreaController.id = 'polarArea';\nPolarAreaController.defaults = {\n dataElementType: 'arc',\n animation: {\n animateRotate: true,\n animateScale: true\n },\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius']\n }\n },\n indexAxis: 'r',\n startAngle: 0\n};\nPolarAreaController.overrides = {\n aspectRatio: 1,\n plugins: {\n legend: {\n labels: {\n generateLabels: function generateLabels(chart) {\n var data = chart.data;\n\n if (data.labels.length && data.datasets.length) {\n var pointStyle = chart.legend.options.labels.pointStyle;\n return data.labels.map(function (label, i) {\n var meta = chart.getDatasetMeta(0);\n var style = meta.controller.getStyle(i);\n return {\n text: label,\n fillStyle: style.backgroundColor,\n strokeStyle: style.borderColor,\n lineWidth: style.borderWidth,\n pointStyle: pointStyle,\n hidden: !chart.getDataVisibility(i),\n index: i\n };\n });\n }\n\n return [];\n }\n },\n onClick: function onClick(e, legendItem, legend) {\n legend.chart.toggleDataVisibility(legendItem.index);\n legend.chart.update();\n }\n },\n tooltip: {\n callbacks: {\n title: function title() {\n return '';\n },\n label: function label(context) {\n return context.chart.data.labels[context.dataIndex] + ': ' + context.formattedValue;\n }\n }\n }\n },\n scales: {\n r: {\n type: 'radialLinear',\n angleLines: {\n display: false\n },\n beginAtZero: true,\n grid: {\n circular: true\n },\n pointLabels: {\n display: false\n },\n startAngle: 0\n }\n }\n};\n\nvar PieController = /*#__PURE__*/function (_DoughnutController) {\n _inherits(PieController, _DoughnutController);\n\n var _super6 = _createSuper(PieController);\n\n function PieController() {\n _classCallCheck(this, PieController);\n\n return _super6.apply(this, arguments);\n }\n\n return PieController;\n}(DoughnutController);\n\nPieController.id = 'pie';\nPieController.defaults = {\n cutout: 0,\n rotation: 0,\n circumference: 360,\n radius: '100%'\n};\n\nvar RadarController = /*#__PURE__*/function (_DatasetController6) {\n _inherits(RadarController, _DatasetController6);\n\n var _super7 = _createSuper(RadarController);\n\n function RadarController() {\n _classCallCheck(this, RadarController);\n\n return _super7.apply(this, arguments);\n }\n\n _createClass(RadarController, [{\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var vScale = this._cachedMeta.vScale;\n var parsed = this.getParsed(index);\n return {\n label: vScale.getLabels()[index],\n value: '' + vScale.getLabelForValue(parsed[vScale.axis])\n };\n }\n }, {\n key: \"parseObjectData\",\n value: function parseObjectData(meta, data, start, count) {\n return _parseObjectDataRadialScale.bind(this)(meta, data, start, count);\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var meta = this._cachedMeta;\n var line = meta.dataset;\n var points = meta.data || [];\n var labels = meta.iScale.getLabels();\n line.points = points;\n\n if (mode !== 'resize') {\n var options = this.resolveDatasetElementOptions(mode);\n\n if (!this.options.showLine) {\n options.borderWidth = 0;\n }\n\n var properties = {\n _loop: true,\n _fullLoop: labels.length === points.length,\n options: options\n };\n this.updateElement(line, undefined, properties, mode);\n }\n\n this.updateElements(points, 0, points.length, mode);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(points, start, count, mode) {\n var scale = this._cachedMeta.rScale;\n var reset = mode === 'reset';\n\n for (var i = start; i < start + count; i++) {\n var point = points[i];\n var options = this.resolveDataElementOptions(i, point.active ? 'active' : mode);\n var pointPosition = scale.getPointPositionForValue(i, this.getParsed(i).r);\n var x = reset ? scale.xCenter : pointPosition.x;\n var y = reset ? scale.yCenter : pointPosition.y;\n var properties = {\n x: x,\n y: y,\n angle: pointPosition.angle,\n skip: isNaN(x) || isNaN(y),\n options: options\n };\n this.updateElement(point, i, properties, mode);\n }\n }\n }]);\n\n return RadarController;\n}(DatasetController);\n\nRadarController.id = 'radar';\nRadarController.defaults = {\n datasetElementType: 'line',\n dataElementType: 'point',\n indexAxis: 'r',\n showLine: true,\n elements: {\n line: {\n fill: 'start'\n }\n }\n};\nRadarController.overrides = {\n aspectRatio: 1,\n scales: {\n r: {\n type: 'radialLinear'\n }\n }\n};\n\nvar Element = /*#__PURE__*/function () {\n function Element() {\n _classCallCheck(this, Element);\n\n this.x = undefined;\n this.y = undefined;\n this.active = false;\n this.options = undefined;\n this.$animations = undefined;\n }\n\n _createClass(Element, [{\n key: \"tooltipPosition\",\n value: function tooltipPosition(useFinalPosition) {\n var _this$getProps = this.getProps(['x', 'y'], useFinalPosition),\n x = _this$getProps.x,\n y = _this$getProps.y;\n\n return {\n x: x,\n y: y\n };\n }\n }, {\n key: \"hasValue\",\n value: function hasValue() {\n return isNumber(this.x) && isNumber(this.y);\n }\n }, {\n key: \"getProps\",\n value: function getProps(props, _final) {\n var _this8 = this;\n\n var anims = this.$animations;\n\n if (!_final || !anims) {\n return this;\n }\n\n var ret = {};\n props.forEach(function (prop) {\n ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : _this8[prop];\n });\n return ret;\n }\n }]);\n\n return Element;\n}();\n\nElement.defaults = {};\nElement.defaultRoutes = undefined;\nvar formatters = {\n values: function values(value) {\n return isArray(value) ? value : '' + value;\n },\n numeric: function numeric(tickValue, index, ticks) {\n if (tickValue === 0) {\n return '0';\n }\n\n var locale = this.chart.options.locale;\n var notation;\n var delta = tickValue;\n\n if (ticks.length > 1) {\n var maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value));\n\n if (maxTick < 1e-4 || maxTick > 1e+15) {\n notation = 'scientific';\n }\n\n delta = calculateDelta(tickValue, ticks);\n }\n\n var logDelta = log10(Math.abs(delta));\n var numDecimal = Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0);\n var options = {\n notation: notation,\n minimumFractionDigits: numDecimal,\n maximumFractionDigits: numDecimal\n };\n Object.assign(options, this.options.ticks.format);\n return formatNumber(tickValue, locale, options);\n },\n logarithmic: function logarithmic(tickValue, index, ticks) {\n if (tickValue === 0) {\n return '0';\n }\n\n var remain = tickValue / Math.pow(10, Math.floor(log10(tickValue)));\n\n if (remain === 1 || remain === 2 || remain === 5) {\n return formatters.numeric.call(this, tickValue, index, ticks);\n }\n\n return '';\n }\n};\n\nfunction calculateDelta(tickValue, ticks) {\n var delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value;\n\n if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) {\n delta = tickValue - Math.floor(tickValue);\n }\n\n return delta;\n}\n\nvar Ticks = {\n formatters: formatters\n};\ndefaults.set('scale', {\n display: true,\n offset: false,\n reverse: false,\n beginAtZero: false,\n bounds: 'ticks',\n grace: 0,\n grid: {\n display: true,\n lineWidth: 1,\n drawBorder: true,\n drawOnChartArea: true,\n drawTicks: true,\n tickLength: 8,\n tickWidth: function tickWidth(_ctx, options) {\n return options.lineWidth;\n },\n tickColor: function tickColor(_ctx, options) {\n return options.color;\n },\n offset: false,\n borderDash: [],\n borderDashOffset: 0.0,\n borderWidth: 1\n },\n title: {\n display: false,\n text: '',\n padding: {\n top: 4,\n bottom: 4\n }\n },\n ticks: {\n minRotation: 0,\n maxRotation: 50,\n mirror: false,\n textStrokeWidth: 0,\n textStrokeColor: '',\n padding: 3,\n display: true,\n autoSkip: true,\n autoSkipPadding: 3,\n labelOffset: 0,\n callback: Ticks.formatters.values,\n minor: {},\n major: {},\n align: 'center',\n crossAlign: 'near',\n showLabelBackdrop: false,\n backdropColor: 'rgba(255, 255, 255, 0.75)',\n backdropPadding: 2\n }\n});\ndefaults.route('scale.ticks', 'color', '', 'color');\ndefaults.route('scale.grid', 'color', '', 'borderColor');\ndefaults.route('scale.grid', 'borderColor', '', 'borderColor');\ndefaults.route('scale.title', 'color', '', 'color');\ndefaults.describe('scale', {\n _fallback: false,\n _scriptable: function _scriptable(name) {\n return !name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser';\n },\n _indexable: function _indexable(name) {\n return name !== 'borderDash' && name !== 'tickBorderDash';\n }\n});\ndefaults.describe('scales', {\n _fallback: 'scale'\n});\ndefaults.describe('scale.ticks', {\n _scriptable: function _scriptable(name) {\n return name !== 'backdropPadding' && name !== 'callback';\n },\n _indexable: function _indexable(name) {\n return name !== 'backdropPadding';\n }\n});\n\nfunction autoSkip(scale, ticks) {\n var tickOpts = scale.options.ticks;\n var ticksLimit = tickOpts.maxTicksLimit || determineMaxTicks(scale);\n var majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : [];\n var numMajorIndices = majorIndices.length;\n var first = majorIndices[0];\n var last = majorIndices[numMajorIndices - 1];\n var newTicks = [];\n\n if (numMajorIndices > ticksLimit) {\n skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit);\n return newTicks;\n }\n\n var spacing = calculateSpacing(majorIndices, ticks, ticksLimit);\n\n if (numMajorIndices > 0) {\n var i, ilen;\n var avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null;\n skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first);\n\n for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) {\n skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]);\n }\n\n skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing);\n return newTicks;\n }\n\n skip(ticks, newTicks, spacing);\n return newTicks;\n}\n\nfunction determineMaxTicks(scale) {\n var offset = scale.options.offset;\n\n var tickLength = scale._tickSize();\n\n var maxScale = scale._length / tickLength + (offset ? 0 : 1);\n var maxChart = scale._maxLength / tickLength;\n return Math.floor(Math.min(maxScale, maxChart));\n}\n\nfunction calculateSpacing(majorIndices, ticks, ticksLimit) {\n var evenMajorSpacing = getEvenSpacing(majorIndices);\n var spacing = ticks.length / ticksLimit;\n\n if (!evenMajorSpacing) {\n return Math.max(spacing, 1);\n }\n\n var factors = _factorize(evenMajorSpacing);\n\n for (var i = 0, ilen = factors.length - 1; i < ilen; i++) {\n var factor = factors[i];\n\n if (factor > spacing) {\n return factor;\n }\n }\n\n return Math.max(spacing, 1);\n}\n\nfunction getMajorIndices(ticks) {\n var result = [];\n var i, ilen;\n\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n if (ticks[i].major) {\n result.push(i);\n }\n }\n\n return result;\n}\n\nfunction skipMajors(ticks, newTicks, majorIndices, spacing) {\n var count = 0;\n var next = majorIndices[0];\n var i;\n spacing = Math.ceil(spacing);\n\n for (i = 0; i < ticks.length; i++) {\n if (i === next) {\n newTicks.push(ticks[i]);\n count++;\n next = majorIndices[count * spacing];\n }\n }\n}\n\nfunction skip(ticks, newTicks, spacing, majorStart, majorEnd) {\n var start = valueOrDefault(majorStart, 0);\n var end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length);\n var count = 0;\n var length, i, next;\n spacing = Math.ceil(spacing);\n\n if (majorEnd) {\n length = majorEnd - majorStart;\n spacing = length / Math.floor(length / spacing);\n }\n\n next = start;\n\n while (next < 0) {\n count++;\n next = Math.round(start + count * spacing);\n }\n\n for (i = Math.max(start, 0); i < end; i++) {\n if (i === next) {\n newTicks.push(ticks[i]);\n count++;\n next = Math.round(start + count * spacing);\n }\n }\n}\n\nfunction getEvenSpacing(arr) {\n var len = arr.length;\n var i, diff;\n\n if (len < 2) {\n return false;\n }\n\n for (diff = arr[0], i = 1; i < len; ++i) {\n if (arr[i] - arr[i - 1] !== diff) {\n return false;\n }\n }\n\n return diff;\n}\n\nvar reverseAlign = function reverseAlign(align) {\n return align === 'left' ? 'right' : align === 'right' ? 'left' : align;\n};\n\nvar offsetFromEdge = function offsetFromEdge(scale, edge, offset) {\n return edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset;\n};\n\nfunction sample(arr, numItems) {\n var result = [];\n var increment = arr.length / numItems;\n var len = arr.length;\n var i = 0;\n\n for (; i < len; i += increment) {\n result.push(arr[Math.floor(i)]);\n }\n\n return result;\n}\n\nfunction getPixelForGridLine(scale, index, offsetGridLines) {\n var length = scale.ticks.length;\n var validIndex = Math.min(index, length - 1);\n var start = scale._startPixel;\n var end = scale._endPixel;\n var epsilon = 1e-6;\n var lineValue = scale.getPixelForTick(validIndex);\n var offset;\n\n if (offsetGridLines) {\n if (length === 1) {\n offset = Math.max(lineValue - start, end - lineValue);\n } else if (index === 0) {\n offset = (scale.getPixelForTick(1) - lineValue) / 2;\n } else {\n offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2;\n }\n\n lineValue += validIndex < index ? offset : -offset;\n\n if (lineValue < start - epsilon || lineValue > end + epsilon) {\n return;\n }\n }\n\n return lineValue;\n}\n\nfunction garbageCollect(caches, length) {\n each(caches, function (cache) {\n var gc = cache.gc;\n var gcLen = gc.length / 2;\n var i;\n\n if (gcLen > length) {\n for (i = 0; i < gcLen; ++i) {\n delete cache.data[gc[i]];\n }\n\n gc.splice(0, gcLen);\n }\n });\n}\n\nfunction getTickMarkLength(options) {\n return options.drawTicks ? options.tickLength : 0;\n}\n\nfunction getTitleHeight(options, fallback) {\n if (!options.display) {\n return 0;\n }\n\n var font = toFont(options.font, fallback);\n var padding = toPadding(options.padding);\n var lines = isArray(options.text) ? options.text.length : 1;\n return lines * font.lineHeight + padding.height;\n}\n\nfunction createScaleContext(parent, scale) {\n return createContext(parent, {\n scale: scale,\n type: 'scale'\n });\n}\n\nfunction createTickContext(parent, index, tick) {\n return createContext(parent, {\n tick: tick,\n index: index,\n type: 'tick'\n });\n}\n\nfunction titleAlign(align, position, reverse) {\n var ret = _toLeftRightCenter(align);\n\n if (reverse && position !== 'right' || !reverse && position === 'right') {\n ret = reverseAlign(ret);\n }\n\n return ret;\n}\n\nfunction titleArgs(scale, offset, position, align) {\n var top = scale.top,\n left = scale.left,\n bottom = scale.bottom,\n right = scale.right,\n chart = scale.chart;\n var chartArea = chart.chartArea,\n scales = chart.scales;\n var rotation = 0;\n var maxWidth, titleX, titleY;\n var height = bottom - top;\n var width = right - left;\n\n if (scale.isHorizontal()) {\n titleX = _alignStartEnd(align, left, right);\n\n if (isObject(position)) {\n var positionAxisID = Object.keys(position)[0];\n var value = position[positionAxisID];\n titleY = scales[positionAxisID].getPixelForValue(value) + height - offset;\n } else if (position === 'center') {\n titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset;\n } else {\n titleY = offsetFromEdge(scale, position, offset);\n }\n\n maxWidth = right - left;\n } else {\n if (isObject(position)) {\n var _positionAxisID = Object.keys(position)[0];\n var _value = position[_positionAxisID];\n titleX = scales[_positionAxisID].getPixelForValue(_value) - width + offset;\n } else if (position === 'center') {\n titleX = (chartArea.left + chartArea.right) / 2 - width + offset;\n } else {\n titleX = offsetFromEdge(scale, position, offset);\n }\n\n titleY = _alignStartEnd(align, bottom, top);\n rotation = position === 'left' ? -HALF_PI : HALF_PI;\n }\n\n return {\n titleX: titleX,\n titleY: titleY,\n maxWidth: maxWidth,\n rotation: rotation\n };\n}\n\nvar Scale = /*#__PURE__*/function (_Element) {\n _inherits(Scale, _Element);\n\n var _super8 = _createSuper(Scale);\n\n function Scale(cfg) {\n var _this9;\n\n _classCallCheck(this, Scale);\n\n _this9 = _super8.call(this);\n _this9.id = cfg.id;\n _this9.type = cfg.type;\n _this9.options = undefined;\n _this9.ctx = cfg.ctx;\n _this9.chart = cfg.chart;\n _this9.top = undefined;\n _this9.bottom = undefined;\n _this9.left = undefined;\n _this9.right = undefined;\n _this9.width = undefined;\n _this9.height = undefined;\n _this9._margins = {\n left: 0,\n right: 0,\n top: 0,\n bottom: 0\n };\n _this9.maxWidth = undefined;\n _this9.maxHeight = undefined;\n _this9.paddingTop = undefined;\n _this9.paddingBottom = undefined;\n _this9.paddingLeft = undefined;\n _this9.paddingRight = undefined;\n _this9.axis = undefined;\n _this9.labelRotation = undefined;\n _this9.min = undefined;\n _this9.max = undefined;\n _this9._range = undefined;\n _this9.ticks = [];\n _this9._gridLineItems = null;\n _this9._labelItems = null;\n _this9._labelSizes = null;\n _this9._length = 0;\n _this9._maxLength = 0;\n _this9._longestTextCache = {};\n _this9._startPixel = undefined;\n _this9._endPixel = undefined;\n _this9._reversePixels = false;\n _this9._userMax = undefined;\n _this9._userMin = undefined;\n _this9._suggestedMax = undefined;\n _this9._suggestedMin = undefined;\n _this9._ticksLength = 0;\n _this9._borderValue = 0;\n _this9._cache = {};\n _this9._dataLimitsCached = false;\n _this9.$context = undefined;\n return _this9;\n }\n\n _createClass(Scale, [{\n key: \"init\",\n value: function init(options) {\n this.options = options.setContext(this.getContext());\n this.axis = options.axis;\n this._userMin = this.parse(options.min);\n this._userMax = this.parse(options.max);\n this._suggestedMin = this.parse(options.suggestedMin);\n this._suggestedMax = this.parse(options.suggestedMax);\n }\n }, {\n key: \"parse\",\n value: function parse(raw, index) {\n return raw;\n }\n }, {\n key: \"getUserBounds\",\n value: function getUserBounds() {\n var _userMin = this._userMin,\n _userMax = this._userMax,\n _suggestedMin = this._suggestedMin,\n _suggestedMax = this._suggestedMax;\n _userMin = finiteOrDefault(_userMin, Number.POSITIVE_INFINITY);\n _userMax = finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY);\n _suggestedMin = finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY);\n _suggestedMax = finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY);\n return {\n min: finiteOrDefault(_userMin, _suggestedMin),\n max: finiteOrDefault(_userMax, _suggestedMax),\n minDefined: isNumberFinite(_userMin),\n maxDefined: isNumberFinite(_userMax)\n };\n }\n }, {\n key: \"getMinMax\",\n value: function getMinMax(canStack) {\n var _this$getUserBounds = this.getUserBounds(),\n min = _this$getUserBounds.min,\n max = _this$getUserBounds.max,\n minDefined = _this$getUserBounds.minDefined,\n maxDefined = _this$getUserBounds.maxDefined;\n\n var range;\n\n if (minDefined && maxDefined) {\n return {\n min: min,\n max: max\n };\n }\n\n var metas = this.getMatchingVisibleMetas();\n\n for (var i = 0, ilen = metas.length; i < ilen; ++i) {\n range = metas[i].controller.getMinMax(this, canStack);\n\n if (!minDefined) {\n min = Math.min(min, range.min);\n }\n\n if (!maxDefined) {\n max = Math.max(max, range.max);\n }\n }\n\n min = maxDefined && min > max ? max : min;\n max = minDefined && min > max ? min : max;\n return {\n min: finiteOrDefault(min, finiteOrDefault(max, min)),\n max: finiteOrDefault(max, finiteOrDefault(min, max))\n };\n }\n }, {\n key: \"getPadding\",\n value: function getPadding() {\n return {\n left: this.paddingLeft || 0,\n top: this.paddingTop || 0,\n right: this.paddingRight || 0,\n bottom: this.paddingBottom || 0\n };\n }\n }, {\n key: \"getTicks\",\n value: function getTicks() {\n return this.ticks;\n }\n }, {\n key: \"getLabels\",\n value: function getLabels() {\n var data = this.chart.data;\n return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || [];\n }\n }, {\n key: \"beforeLayout\",\n value: function beforeLayout() {\n this._cache = {};\n this._dataLimitsCached = false;\n }\n }, {\n key: \"beforeUpdate\",\n value: function beforeUpdate() {\n callback(this.options.beforeUpdate, [this]);\n }\n }, {\n key: \"update\",\n value: function update(maxWidth, maxHeight, margins) {\n var _this$options3 = this.options,\n beginAtZero = _this$options3.beginAtZero,\n grace = _this$options3.grace,\n tickOpts = _this$options3.ticks;\n var sampleSize = tickOpts.sampleSize;\n this.beforeUpdate();\n this.maxWidth = maxWidth;\n this.maxHeight = maxHeight;\n this._margins = margins = Object.assign({\n left: 0,\n right: 0,\n top: 0,\n bottom: 0\n }, margins);\n this.ticks = null;\n this._labelSizes = null;\n this._gridLineItems = null;\n this._labelItems = null;\n this.beforeSetDimensions();\n this.setDimensions();\n this.afterSetDimensions();\n this._maxLength = this.isHorizontal() ? this.width + margins.left + margins.right : this.height + margins.top + margins.bottom;\n\n if (!this._dataLimitsCached) {\n this.beforeDataLimits();\n this.determineDataLimits();\n this.afterDataLimits();\n this._range = _addGrace(this, grace, beginAtZero);\n this._dataLimitsCached = true;\n }\n\n this.beforeBuildTicks();\n this.ticks = this.buildTicks() || [];\n this.afterBuildTicks();\n var samplingEnabled = sampleSize < this.ticks.length;\n\n this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks);\n\n this.configure();\n this.beforeCalculateLabelRotation();\n this.calculateLabelRotation();\n this.afterCalculateLabelRotation();\n\n if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) {\n this.ticks = autoSkip(this, this.ticks);\n this._labelSizes = null;\n this.afterAutoSkip();\n }\n\n if (samplingEnabled) {\n this._convertTicksToLabels(this.ticks);\n }\n\n this.beforeFit();\n this.fit();\n this.afterFit();\n this.afterUpdate();\n }\n }, {\n key: \"configure\",\n value: function configure() {\n var reversePixels = this.options.reverse;\n var startPixel, endPixel;\n\n if (this.isHorizontal()) {\n startPixel = this.left;\n endPixel = this.right;\n } else {\n startPixel = this.top;\n endPixel = this.bottom;\n reversePixels = !reversePixels;\n }\n\n this._startPixel = startPixel;\n this._endPixel = endPixel;\n this._reversePixels = reversePixels;\n this._length = endPixel - startPixel;\n this._alignToPixels = this.options.alignToPixels;\n }\n }, {\n key: \"afterUpdate\",\n value: function afterUpdate() {\n callback(this.options.afterUpdate, [this]);\n }\n }, {\n key: \"beforeSetDimensions\",\n value: function beforeSetDimensions() {\n callback(this.options.beforeSetDimensions, [this]);\n }\n }, {\n key: \"setDimensions\",\n value: function setDimensions() {\n if (this.isHorizontal()) {\n this.width = this.maxWidth;\n this.left = 0;\n this.right = this.width;\n } else {\n this.height = this.maxHeight;\n this.top = 0;\n this.bottom = this.height;\n }\n\n this.paddingLeft = 0;\n this.paddingTop = 0;\n this.paddingRight = 0;\n this.paddingBottom = 0;\n }\n }, {\n key: \"afterSetDimensions\",\n value: function afterSetDimensions() {\n callback(this.options.afterSetDimensions, [this]);\n }\n }, {\n key: \"_callHooks\",\n value: function _callHooks(name) {\n this.chart.notifyPlugins(name, this.getContext());\n callback(this.options[name], [this]);\n }\n }, {\n key: \"beforeDataLimits\",\n value: function beforeDataLimits() {\n this._callHooks('beforeDataLimits');\n }\n }, {\n key: \"determineDataLimits\",\n value: function determineDataLimits() {}\n }, {\n key: \"afterDataLimits\",\n value: function afterDataLimits() {\n this._callHooks('afterDataLimits');\n }\n }, {\n key: \"beforeBuildTicks\",\n value: function beforeBuildTicks() {\n this._callHooks('beforeBuildTicks');\n }\n }, {\n key: \"buildTicks\",\n value: function buildTicks() {\n return [];\n }\n }, {\n key: \"afterBuildTicks\",\n value: function afterBuildTicks() {\n this._callHooks('afterBuildTicks');\n }\n }, {\n key: \"beforeTickToLabelConversion\",\n value: function beforeTickToLabelConversion() {\n callback(this.options.beforeTickToLabelConversion, [this]);\n }\n }, {\n key: \"generateTickLabels\",\n value: function generateTickLabels(ticks) {\n var tickOpts = this.options.ticks;\n var i, ilen, tick;\n\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n tick = ticks[i];\n tick.label = callback(tickOpts.callback, [tick.value, i, ticks], this);\n }\n }\n }, {\n key: \"afterTickToLabelConversion\",\n value: function afterTickToLabelConversion() {\n callback(this.options.afterTickToLabelConversion, [this]);\n }\n }, {\n key: \"beforeCalculateLabelRotation\",\n value: function beforeCalculateLabelRotation() {\n callback(this.options.beforeCalculateLabelRotation, [this]);\n }\n }, {\n key: \"calculateLabelRotation\",\n value: function calculateLabelRotation() {\n var options = this.options;\n var tickOpts = options.ticks;\n var numTicks = this.ticks.length;\n var minRotation = tickOpts.minRotation || 0;\n var maxRotation = tickOpts.maxRotation;\n var labelRotation = minRotation;\n var tickWidth, maxHeight, maxLabelDiagonal;\n\n if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) {\n this.labelRotation = minRotation;\n return;\n }\n\n var labelSizes = this._getLabelSizes();\n\n var maxLabelWidth = labelSizes.widest.width;\n var maxLabelHeight = labelSizes.highest.height;\n\n var maxWidth = _limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth);\n\n tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1);\n\n if (maxLabelWidth + 6 > tickWidth) {\n tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1));\n maxHeight = this.maxHeight - getTickMarkLength(options.grid) - tickOpts.padding - getTitleHeight(options.title, this.chart.options.font);\n maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight);\n labelRotation = toDegrees(Math.min(Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)), Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1))));\n labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation));\n }\n\n this.labelRotation = labelRotation;\n }\n }, {\n key: \"afterCalculateLabelRotation\",\n value: function afterCalculateLabelRotation() {\n callback(this.options.afterCalculateLabelRotation, [this]);\n }\n }, {\n key: \"afterAutoSkip\",\n value: function afterAutoSkip() {}\n }, {\n key: \"beforeFit\",\n value: function beforeFit() {\n callback(this.options.beforeFit, [this]);\n }\n }, {\n key: \"fit\",\n value: function fit() {\n var minSize = {\n width: 0,\n height: 0\n };\n var chart = this.chart,\n _this$options4 = this.options,\n tickOpts = _this$options4.ticks,\n titleOpts = _this$options4.title,\n gridOpts = _this$options4.grid;\n\n var display = this._isVisible();\n\n var isHorizontal = this.isHorizontal();\n\n if (display) {\n var titleHeight = getTitleHeight(titleOpts, chart.options.font);\n\n if (isHorizontal) {\n minSize.width = this.maxWidth;\n minSize.height = getTickMarkLength(gridOpts) + titleHeight;\n } else {\n minSize.height = this.maxHeight;\n minSize.width = getTickMarkLength(gridOpts) + titleHeight;\n }\n\n if (tickOpts.display && this.ticks.length) {\n var _this$_getLabelSizes = this._getLabelSizes(),\n first = _this$_getLabelSizes.first,\n last = _this$_getLabelSizes.last,\n widest = _this$_getLabelSizes.widest,\n highest = _this$_getLabelSizes.highest;\n\n var tickPadding = tickOpts.padding * 2;\n var angleRadians = toRadians(this.labelRotation);\n var cos = Math.cos(angleRadians);\n var sin = Math.sin(angleRadians);\n\n if (isHorizontal) {\n var labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height;\n minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding);\n } else {\n var labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height;\n minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding);\n }\n\n this._calculatePadding(first, last, sin, cos);\n }\n }\n\n this._handleMargins();\n\n if (isHorizontal) {\n this.width = this._length = chart.width - this._margins.left - this._margins.right;\n this.height = minSize.height;\n } else {\n this.width = minSize.width;\n this.height = this._length = chart.height - this._margins.top - this._margins.bottom;\n }\n }\n }, {\n key: \"_calculatePadding\",\n value: function _calculatePadding(first, last, sin, cos) {\n var _this$options5 = this.options,\n _this$options5$ticks = _this$options5.ticks,\n align = _this$options5$ticks.align,\n padding = _this$options5$ticks.padding,\n position = _this$options5.position;\n var isRotated = this.labelRotation !== 0;\n var labelsBelowTicks = position !== 'top' && this.axis === 'x';\n\n if (this.isHorizontal()) {\n var offsetLeft = this.getPixelForTick(0) - this.left;\n var offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1);\n var paddingLeft = 0;\n var paddingRight = 0;\n\n if (isRotated) {\n if (labelsBelowTicks) {\n paddingLeft = cos * first.width;\n paddingRight = sin * last.height;\n } else {\n paddingLeft = sin * first.height;\n paddingRight = cos * last.width;\n }\n } else if (align === 'start') {\n paddingRight = last.width;\n } else if (align === 'end') {\n paddingLeft = first.width;\n } else if (align !== 'inner') {\n paddingLeft = first.width / 2;\n paddingRight = last.width / 2;\n }\n\n this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0);\n this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0);\n } else {\n var paddingTop = last.height / 2;\n var paddingBottom = first.height / 2;\n\n if (align === 'start') {\n paddingTop = 0;\n paddingBottom = first.height;\n } else if (align === 'end') {\n paddingTop = last.height;\n paddingBottom = 0;\n }\n\n this.paddingTop = paddingTop + padding;\n this.paddingBottom = paddingBottom + padding;\n }\n }\n }, {\n key: \"_handleMargins\",\n value: function _handleMargins() {\n if (this._margins) {\n this._margins.left = Math.max(this.paddingLeft, this._margins.left);\n this._margins.top = Math.max(this.paddingTop, this._margins.top);\n this._margins.right = Math.max(this.paddingRight, this._margins.right);\n this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom);\n }\n }\n }, {\n key: \"afterFit\",\n value: function afterFit() {\n callback(this.options.afterFit, [this]);\n }\n }, {\n key: \"isHorizontal\",\n value: function isHorizontal() {\n var _this$options6 = this.options,\n axis = _this$options6.axis,\n position = _this$options6.position;\n return position === 'top' || position === 'bottom' || axis === 'x';\n }\n }, {\n key: \"isFullSize\",\n value: function isFullSize() {\n return this.options.fullSize;\n }\n }, {\n key: \"_convertTicksToLabels\",\n value: function _convertTicksToLabels(ticks) {\n this.beforeTickToLabelConversion();\n this.generateTickLabels(ticks);\n var i, ilen;\n\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n if (isNullOrUndef(ticks[i].label)) {\n ticks.splice(i, 1);\n ilen--;\n i--;\n }\n }\n\n this.afterTickToLabelConversion();\n }\n }, {\n key: \"_getLabelSizes\",\n value: function _getLabelSizes() {\n var labelSizes = this._labelSizes;\n\n if (!labelSizes) {\n var sampleSize = this.options.ticks.sampleSize;\n var ticks = this.ticks;\n\n if (sampleSize < ticks.length) {\n ticks = sample(ticks, sampleSize);\n }\n\n this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length);\n }\n\n return labelSizes;\n }\n }, {\n key: \"_computeLabelSizes\",\n value: function _computeLabelSizes(ticks, length) {\n var ctx = this.ctx,\n caches = this._longestTextCache;\n var widths = [];\n var heights = [];\n var widestLabelSize = 0;\n var highestLabelSize = 0;\n var i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel;\n\n for (i = 0; i < length; ++i) {\n label = ticks[i].label;\n tickFont = this._resolveTickFontOptions(i);\n ctx.font = fontString = tickFont.string;\n cache = caches[fontString] = caches[fontString] || {\n data: {},\n gc: []\n };\n lineHeight = tickFont.lineHeight;\n width = height = 0;\n\n if (!isNullOrUndef(label) && !isArray(label)) {\n width = _measureText(ctx, cache.data, cache.gc, width, label);\n height = lineHeight;\n } else if (isArray(label)) {\n for (j = 0, jlen = label.length; j < jlen; ++j) {\n nestedLabel = label[j];\n\n if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) {\n width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel);\n height += lineHeight;\n }\n }\n }\n\n widths.push(width);\n heights.push(height);\n widestLabelSize = Math.max(width, widestLabelSize);\n highestLabelSize = Math.max(height, highestLabelSize);\n }\n\n garbageCollect(caches, length);\n var widest = widths.indexOf(widestLabelSize);\n var highest = heights.indexOf(highestLabelSize);\n\n var valueAt = function valueAt(idx) {\n return {\n width: widths[idx] || 0,\n height: heights[idx] || 0\n };\n };\n\n return {\n first: valueAt(0),\n last: valueAt(length - 1),\n widest: valueAt(widest),\n highest: valueAt(highest),\n widths: widths,\n heights: heights\n };\n }\n }, {\n key: \"getLabelForValue\",\n value: function getLabelForValue(value) {\n return value;\n }\n }, {\n key: \"getPixelForValue\",\n value: function getPixelForValue(value, index) {\n return NaN;\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {}\n }, {\n key: \"getPixelForTick\",\n value: function getPixelForTick(index) {\n var ticks = this.ticks;\n\n if (index < 0 || index > ticks.length - 1) {\n return null;\n }\n\n return this.getPixelForValue(ticks[index].value);\n }\n }, {\n key: \"getPixelForDecimal\",\n value: function getPixelForDecimal(decimal) {\n if (this._reversePixels) {\n decimal = 1 - decimal;\n }\n\n var pixel = this._startPixel + decimal * this._length;\n return _int16Range(this._alignToPixels ? _alignPixel(this.chart, pixel, 0) : pixel);\n }\n }, {\n key: \"getDecimalForPixel\",\n value: function getDecimalForPixel(pixel) {\n var decimal = (pixel - this._startPixel) / this._length;\n return this._reversePixels ? 1 - decimal : decimal;\n }\n }, {\n key: \"getBasePixel\",\n value: function getBasePixel() {\n return this.getPixelForValue(this.getBaseValue());\n }\n }, {\n key: \"getBaseValue\",\n value: function getBaseValue() {\n var min = this.min,\n max = this.max;\n return min < 0 && max < 0 ? max : min > 0 && max > 0 ? min : 0;\n }\n }, {\n key: \"getContext\",\n value: function getContext(index) {\n var ticks = this.ticks || [];\n\n if (index >= 0 && index < ticks.length) {\n var tick = ticks[index];\n return tick.$context || (tick.$context = createTickContext(this.getContext(), index, tick));\n }\n\n return this.$context || (this.$context = createScaleContext(this.chart.getContext(), this));\n }\n }, {\n key: \"_tickSize\",\n value: function _tickSize() {\n var optionTicks = this.options.ticks;\n var rot = toRadians(this.labelRotation);\n var cos = Math.abs(Math.cos(rot));\n var sin = Math.abs(Math.sin(rot));\n\n var labelSizes = this._getLabelSizes();\n\n var padding = optionTicks.autoSkipPadding || 0;\n var w = labelSizes ? labelSizes.widest.width + padding : 0;\n var h = labelSizes ? labelSizes.highest.height + padding : 0;\n return this.isHorizontal() ? h * cos > w * sin ? w / cos : h / sin : h * sin < w * cos ? h / cos : w / sin;\n }\n }, {\n key: \"_isVisible\",\n value: function _isVisible() {\n var display = this.options.display;\n\n if (display !== 'auto') {\n return !!display;\n }\n\n return this.getMatchingVisibleMetas().length > 0;\n }\n }, {\n key: \"_computeGridLineItems\",\n value: function _computeGridLineItems(chartArea) {\n var axis = this.axis;\n var chart = this.chart;\n var options = this.options;\n var grid = options.grid,\n position = options.position;\n var offset = grid.offset;\n var isHorizontal = this.isHorizontal();\n var ticks = this.ticks;\n var ticksLength = ticks.length + (offset ? 1 : 0);\n var tl = getTickMarkLength(grid);\n var items = [];\n var borderOpts = grid.setContext(this.getContext());\n var axisWidth = borderOpts.drawBorder ? borderOpts.borderWidth : 0;\n var axisHalfWidth = axisWidth / 2;\n\n var alignBorderValue = function alignBorderValue(pixel) {\n return _alignPixel(chart, pixel, axisWidth);\n };\n\n var borderValue, i, lineValue, alignedLineValue;\n var tx1, ty1, tx2, ty2, x1, y1, x2, y2;\n\n if (position === 'top') {\n borderValue = alignBorderValue(this.bottom);\n ty1 = this.bottom - tl;\n ty2 = borderValue - axisHalfWidth;\n y1 = alignBorderValue(chartArea.top) + axisHalfWidth;\n y2 = chartArea.bottom;\n } else if (position === 'bottom') {\n borderValue = alignBorderValue(this.top);\n y1 = chartArea.top;\n y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth;\n ty1 = borderValue + axisHalfWidth;\n ty2 = this.top + tl;\n } else if (position === 'left') {\n borderValue = alignBorderValue(this.right);\n tx1 = this.right - tl;\n tx2 = borderValue - axisHalfWidth;\n x1 = alignBorderValue(chartArea.left) + axisHalfWidth;\n x2 = chartArea.right;\n } else if (position === 'right') {\n borderValue = alignBorderValue(this.left);\n x1 = chartArea.left;\n x2 = alignBorderValue(chartArea.right) - axisHalfWidth;\n tx1 = borderValue + axisHalfWidth;\n tx2 = this.left + tl;\n } else if (axis === 'x') {\n if (position === 'center') {\n borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5);\n } else if (isObject(position)) {\n var positionAxisID = Object.keys(position)[0];\n var value = position[positionAxisID];\n borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value));\n }\n\n y1 = chartArea.top;\n y2 = chartArea.bottom;\n ty1 = borderValue + axisHalfWidth;\n ty2 = ty1 + tl;\n } else if (axis === 'y') {\n if (position === 'center') {\n borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2);\n } else if (isObject(position)) {\n var _positionAxisID2 = Object.keys(position)[0];\n var _value2 = position[_positionAxisID2];\n borderValue = alignBorderValue(this.chart.scales[_positionAxisID2].getPixelForValue(_value2));\n }\n\n tx1 = borderValue - axisHalfWidth;\n tx2 = tx1 - tl;\n x1 = chartArea.left;\n x2 = chartArea.right;\n }\n\n var limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength);\n var step = Math.max(1, Math.ceil(ticksLength / limit));\n\n for (i = 0; i < ticksLength; i += step) {\n var optsAtIndex = grid.setContext(this.getContext(i));\n var lineWidth = optsAtIndex.lineWidth;\n var lineColor = optsAtIndex.color;\n var borderDash = optsAtIndex.borderDash || [];\n var borderDashOffset = optsAtIndex.borderDashOffset;\n var tickWidth = optsAtIndex.tickWidth;\n var tickColor = optsAtIndex.tickColor;\n var tickBorderDash = optsAtIndex.tickBorderDash || [];\n var tickBorderDashOffset = optsAtIndex.tickBorderDashOffset;\n lineValue = getPixelForGridLine(this, i, offset);\n\n if (lineValue === undefined) {\n continue;\n }\n\n alignedLineValue = _alignPixel(chart, lineValue, lineWidth);\n\n if (isHorizontal) {\n tx1 = tx2 = x1 = x2 = alignedLineValue;\n } else {\n ty1 = ty2 = y1 = y2 = alignedLineValue;\n }\n\n items.push({\n tx1: tx1,\n ty1: ty1,\n tx2: tx2,\n ty2: ty2,\n x1: x1,\n y1: y1,\n x2: x2,\n y2: y2,\n width: lineWidth,\n color: lineColor,\n borderDash: borderDash,\n borderDashOffset: borderDashOffset,\n tickWidth: tickWidth,\n tickColor: tickColor,\n tickBorderDash: tickBorderDash,\n tickBorderDashOffset: tickBorderDashOffset\n });\n }\n\n this._ticksLength = ticksLength;\n this._borderValue = borderValue;\n return items;\n }\n }, {\n key: \"_computeLabelItems\",\n value: function _computeLabelItems(chartArea) {\n var axis = this.axis;\n var options = this.options;\n var position = options.position,\n optionTicks = options.ticks;\n var isHorizontal = this.isHorizontal();\n var ticks = this.ticks;\n var align = optionTicks.align,\n crossAlign = optionTicks.crossAlign,\n padding = optionTicks.padding,\n mirror = optionTicks.mirror;\n var tl = getTickMarkLength(options.grid);\n var tickAndPadding = tl + padding;\n var hTickAndPadding = mirror ? -padding : tickAndPadding;\n var rotation = -toRadians(this.labelRotation);\n var items = [];\n var i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset;\n var textBaseline = 'middle';\n\n if (position === 'top') {\n y = this.bottom - hTickAndPadding;\n textAlign = this._getXAxisLabelAlignment();\n } else if (position === 'bottom') {\n y = this.top + hTickAndPadding;\n textAlign = this._getXAxisLabelAlignment();\n } else if (position === 'left') {\n var ret = this._getYAxisLabelAlignment(tl);\n\n textAlign = ret.textAlign;\n x = ret.x;\n } else if (position === 'right') {\n var _ret = this._getYAxisLabelAlignment(tl);\n\n textAlign = _ret.textAlign;\n x = _ret.x;\n } else if (axis === 'x') {\n if (position === 'center') {\n y = (chartArea.top + chartArea.bottom) / 2 + tickAndPadding;\n } else if (isObject(position)) {\n var positionAxisID = Object.keys(position)[0];\n var value = position[positionAxisID];\n y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding;\n }\n\n textAlign = this._getXAxisLabelAlignment();\n } else if (axis === 'y') {\n if (position === 'center') {\n x = (chartArea.left + chartArea.right) / 2 - tickAndPadding;\n } else if (isObject(position)) {\n var _positionAxisID3 = Object.keys(position)[0];\n var _value3 = position[_positionAxisID3];\n x = this.chart.scales[_positionAxisID3].getPixelForValue(_value3);\n }\n\n textAlign = this._getYAxisLabelAlignment(tl).textAlign;\n }\n\n if (axis === 'y') {\n if (align === 'start') {\n textBaseline = 'top';\n } else if (align === 'end') {\n textBaseline = 'bottom';\n }\n }\n\n var labelSizes = this._getLabelSizes();\n\n for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n tick = ticks[i];\n label = tick.label;\n var optsAtIndex = optionTicks.setContext(this.getContext(i));\n pixel = this.getPixelForTick(i) + optionTicks.labelOffset;\n font = this._resolveTickFontOptions(i);\n lineHeight = font.lineHeight;\n lineCount = isArray(label) ? label.length : 1;\n var halfCount = lineCount / 2;\n var color = optsAtIndex.color;\n var strokeColor = optsAtIndex.textStrokeColor;\n var strokeWidth = optsAtIndex.textStrokeWidth;\n var tickTextAlign = textAlign;\n\n if (isHorizontal) {\n x = pixel;\n\n if (textAlign === 'inner') {\n if (i === ilen - 1) {\n tickTextAlign = !this.options.reverse ? 'right' : 'left';\n } else if (i === 0) {\n tickTextAlign = !this.options.reverse ? 'left' : 'right';\n } else {\n tickTextAlign = 'center';\n }\n }\n\n if (position === 'top') {\n if (crossAlign === 'near' || rotation !== 0) {\n textOffset = -lineCount * lineHeight + lineHeight / 2;\n } else if (crossAlign === 'center') {\n textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight;\n } else {\n textOffset = -labelSizes.highest.height + lineHeight / 2;\n }\n } else {\n if (crossAlign === 'near' || rotation !== 0) {\n textOffset = lineHeight / 2;\n } else if (crossAlign === 'center') {\n textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight;\n } else {\n textOffset = labelSizes.highest.height - lineCount * lineHeight;\n }\n }\n\n if (mirror) {\n textOffset *= -1;\n }\n } else {\n y = pixel;\n textOffset = (1 - lineCount) * lineHeight / 2;\n }\n\n var backdrop = void 0;\n\n if (optsAtIndex.showLabelBackdrop) {\n var labelPadding = toPadding(optsAtIndex.backdropPadding);\n var height = labelSizes.heights[i];\n var width = labelSizes.widths[i];\n var top = y + textOffset - labelPadding.top;\n var left = x - labelPadding.left;\n\n switch (textBaseline) {\n case 'middle':\n top -= height / 2;\n break;\n\n case 'bottom':\n top -= height;\n break;\n }\n\n switch (textAlign) {\n case 'center':\n left -= width / 2;\n break;\n\n case 'right':\n left -= width;\n break;\n }\n\n backdrop = {\n left: left,\n top: top,\n width: width + labelPadding.width,\n height: height + labelPadding.height,\n color: optsAtIndex.backdropColor\n };\n }\n\n items.push({\n rotation: rotation,\n label: label,\n font: font,\n color: color,\n strokeColor: strokeColor,\n strokeWidth: strokeWidth,\n textOffset: textOffset,\n textAlign: tickTextAlign,\n textBaseline: textBaseline,\n translation: [x, y],\n backdrop: backdrop\n });\n }\n\n return items;\n }\n }, {\n key: \"_getXAxisLabelAlignment\",\n value: function _getXAxisLabelAlignment() {\n var _this$options7 = this.options,\n position = _this$options7.position,\n ticks = _this$options7.ticks;\n var rotation = -toRadians(this.labelRotation);\n\n if (rotation) {\n return position === 'top' ? 'left' : 'right';\n }\n\n var align = 'center';\n\n if (ticks.align === 'start') {\n align = 'left';\n } else if (ticks.align === 'end') {\n align = 'right';\n } else if (ticks.align === 'inner') {\n align = 'inner';\n }\n\n return align;\n }\n }, {\n key: \"_getYAxisLabelAlignment\",\n value: function _getYAxisLabelAlignment(tl) {\n var _this$options8 = this.options,\n position = _this$options8.position,\n _this$options8$ticks = _this$options8.ticks,\n crossAlign = _this$options8$ticks.crossAlign,\n mirror = _this$options8$ticks.mirror,\n padding = _this$options8$ticks.padding;\n\n var labelSizes = this._getLabelSizes();\n\n var tickAndPadding = tl + padding;\n var widest = labelSizes.widest.width;\n var textAlign;\n var x;\n\n if (position === 'left') {\n if (mirror) {\n x = this.right + padding;\n\n if (crossAlign === 'near') {\n textAlign = 'left';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x += widest / 2;\n } else {\n textAlign = 'right';\n x += widest;\n }\n } else {\n x = this.right - tickAndPadding;\n\n if (crossAlign === 'near') {\n textAlign = 'right';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x -= widest / 2;\n } else {\n textAlign = 'left';\n x = this.left;\n }\n }\n } else if (position === 'right') {\n if (mirror) {\n x = this.left + padding;\n\n if (crossAlign === 'near') {\n textAlign = 'right';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x -= widest / 2;\n } else {\n textAlign = 'left';\n x -= widest;\n }\n } else {\n x = this.left + tickAndPadding;\n\n if (crossAlign === 'near') {\n textAlign = 'left';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x += widest / 2;\n } else {\n textAlign = 'right';\n x = this.right;\n }\n }\n } else {\n textAlign = 'right';\n }\n\n return {\n textAlign: textAlign,\n x: x\n };\n }\n }, {\n key: \"_computeLabelArea\",\n value: function _computeLabelArea() {\n if (this.options.ticks.mirror) {\n return;\n }\n\n var chart = this.chart;\n var position = this.options.position;\n\n if (position === 'left' || position === 'right') {\n return {\n top: 0,\n left: this.left,\n bottom: chart.height,\n right: this.right\n };\n }\n\n if (position === 'top' || position === 'bottom') {\n return {\n top: this.top,\n left: 0,\n bottom: this.bottom,\n right: chart.width\n };\n }\n }\n }, {\n key: \"drawBackground\",\n value: function drawBackground() {\n var ctx = this.ctx,\n backgroundColor = this.options.backgroundColor,\n left = this.left,\n top = this.top,\n width = this.width,\n height = this.height;\n\n if (backgroundColor) {\n ctx.save();\n ctx.fillStyle = backgroundColor;\n ctx.fillRect(left, top, width, height);\n ctx.restore();\n }\n }\n }, {\n key: \"getLineWidthForValue\",\n value: function getLineWidthForValue(value) {\n var grid = this.options.grid;\n\n if (!this._isVisible() || !grid.display) {\n return 0;\n }\n\n var ticks = this.ticks;\n var index = ticks.findIndex(function (t) {\n return t.value === value;\n });\n\n if (index >= 0) {\n var opts = grid.setContext(this.getContext(index));\n return opts.lineWidth;\n }\n\n return 0;\n }\n }, {\n key: \"drawGrid\",\n value: function drawGrid(chartArea) {\n var grid = this.options.grid;\n var ctx = this.ctx;\n\n var items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea));\n\n var i, ilen;\n\n var drawLine = function drawLine(p1, p2, style) {\n if (!style.width || !style.color) {\n return;\n }\n\n ctx.save();\n ctx.lineWidth = style.width;\n ctx.strokeStyle = style.color;\n ctx.setLineDash(style.borderDash || []);\n ctx.lineDashOffset = style.borderDashOffset;\n ctx.beginPath();\n ctx.moveTo(p1.x, p1.y);\n ctx.lineTo(p2.x, p2.y);\n ctx.stroke();\n ctx.restore();\n };\n\n if (grid.display) {\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n var item = items[i];\n\n if (grid.drawOnChartArea) {\n drawLine({\n x: item.x1,\n y: item.y1\n }, {\n x: item.x2,\n y: item.y2\n }, item);\n }\n\n if (grid.drawTicks) {\n drawLine({\n x: item.tx1,\n y: item.ty1\n }, {\n x: item.tx2,\n y: item.ty2\n }, {\n color: item.tickColor,\n width: item.tickWidth,\n borderDash: item.tickBorderDash,\n borderDashOffset: item.tickBorderDashOffset\n });\n }\n }\n }\n }\n }, {\n key: \"drawBorder\",\n value: function drawBorder() {\n var chart = this.chart,\n ctx = this.ctx,\n grid = this.options.grid;\n var borderOpts = grid.setContext(this.getContext());\n var axisWidth = grid.drawBorder ? borderOpts.borderWidth : 0;\n\n if (!axisWidth) {\n return;\n }\n\n var lastLineWidth = grid.setContext(this.getContext(0)).lineWidth;\n var borderValue = this._borderValue;\n var x1, x2, y1, y2;\n\n if (this.isHorizontal()) {\n x1 = _alignPixel(chart, this.left, axisWidth) - axisWidth / 2;\n x2 = _alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2;\n y1 = y2 = borderValue;\n } else {\n y1 = _alignPixel(chart, this.top, axisWidth) - axisWidth / 2;\n y2 = _alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2;\n x1 = x2 = borderValue;\n }\n\n ctx.save();\n ctx.lineWidth = borderOpts.borderWidth;\n ctx.strokeStyle = borderOpts.borderColor;\n ctx.beginPath();\n ctx.moveTo(x1, y1);\n ctx.lineTo(x2, y2);\n ctx.stroke();\n ctx.restore();\n }\n }, {\n key: \"drawLabels\",\n value: function drawLabels(chartArea) {\n var optionTicks = this.options.ticks;\n\n if (!optionTicks.display) {\n return;\n }\n\n var ctx = this.ctx;\n\n var area = this._computeLabelArea();\n\n if (area) {\n clipArea(ctx, area);\n }\n\n var items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea));\n\n var i, ilen;\n\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n var item = items[i];\n var tickFont = item.font;\n var label = item.label;\n\n if (item.backdrop) {\n ctx.fillStyle = item.backdrop.color;\n ctx.fillRect(item.backdrop.left, item.backdrop.top, item.backdrop.width, item.backdrop.height);\n }\n\n var y = item.textOffset;\n renderText(ctx, label, 0, y, tickFont, item);\n }\n\n if (area) {\n unclipArea(ctx);\n }\n }\n }, {\n key: \"drawTitle\",\n value: function drawTitle() {\n var ctx = this.ctx,\n _this$options9 = this.options,\n position = _this$options9.position,\n title = _this$options9.title,\n reverse = _this$options9.reverse;\n\n if (!title.display) {\n return;\n }\n\n var font = toFont(title.font);\n var padding = toPadding(title.padding);\n var align = title.align;\n var offset = font.lineHeight / 2;\n\n if (position === 'bottom' || position === 'center' || isObject(position)) {\n offset += padding.bottom;\n\n if (isArray(title.text)) {\n offset += font.lineHeight * (title.text.length - 1);\n }\n } else {\n offset += padding.top;\n }\n\n var _titleArgs = titleArgs(this, offset, position, align),\n titleX = _titleArgs.titleX,\n titleY = _titleArgs.titleY,\n maxWidth = _titleArgs.maxWidth,\n rotation = _titleArgs.rotation;\n\n renderText(ctx, title.text, 0, 0, font, {\n color: title.color,\n maxWidth: maxWidth,\n rotation: rotation,\n textAlign: titleAlign(align, position, reverse),\n textBaseline: 'middle',\n translation: [titleX, titleY]\n });\n }\n }, {\n key: \"draw\",\n value: function draw(chartArea) {\n if (!this._isVisible()) {\n return;\n }\n\n this.drawBackground();\n this.drawGrid(chartArea);\n this.drawBorder();\n this.drawTitle();\n this.drawLabels(chartArea);\n }\n }, {\n key: \"_layers\",\n value: function _layers() {\n var _this10 = this;\n\n var opts = this.options;\n var tz = opts.ticks && opts.ticks.z || 0;\n var gz = valueOrDefault(opts.grid && opts.grid.z, -1);\n\n if (!this._isVisible() || this.draw !== Scale.prototype.draw) {\n return [{\n z: tz,\n draw: function draw(chartArea) {\n _this10.draw(chartArea);\n }\n }];\n }\n\n return [{\n z: gz,\n draw: function draw(chartArea) {\n _this10.drawBackground();\n\n _this10.drawGrid(chartArea);\n\n _this10.drawTitle();\n }\n }, {\n z: gz + 1,\n draw: function draw() {\n _this10.drawBorder();\n }\n }, {\n z: tz,\n draw: function draw(chartArea) {\n _this10.drawLabels(chartArea);\n }\n }];\n }\n }, {\n key: \"getMatchingVisibleMetas\",\n value: function getMatchingVisibleMetas(type) {\n var metas = this.chart.getSortedVisibleDatasetMetas();\n var axisID = this.axis + 'AxisID';\n var result = [];\n var i, ilen;\n\n for (i = 0, ilen = metas.length; i < ilen; ++i) {\n var meta = metas[i];\n\n if (meta[axisID] === this.id && (!type || meta.type === type)) {\n result.push(meta);\n }\n }\n\n return result;\n }\n }, {\n key: \"_resolveTickFontOptions\",\n value: function _resolveTickFontOptions(index) {\n var opts = this.options.ticks.setContext(this.getContext(index));\n return toFont(opts.font);\n }\n }, {\n key: \"_maxDigits\",\n value: function _maxDigits() {\n var fontSize = this._resolveTickFontOptions(0).lineHeight;\n\n return (this.isHorizontal() ? this.width : this.height) / fontSize;\n }\n }]);\n\n return Scale;\n}(Element);\n\nvar TypedRegistry = /*#__PURE__*/function () {\n function TypedRegistry(type, scope, override) {\n _classCallCheck(this, TypedRegistry);\n\n this.type = type;\n this.scope = scope;\n this.override = override;\n this.items = Object.create(null);\n }\n\n _createClass(TypedRegistry, [{\n key: \"isForType\",\n value: function isForType(type) {\n return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype);\n }\n }, {\n key: \"register\",\n value: function register(item) {\n var proto = Object.getPrototypeOf(item);\n var parentScope;\n\n if (isIChartComponent(proto)) {\n parentScope = this.register(proto);\n }\n\n var items = this.items;\n var id = item.id;\n var scope = this.scope + '.' + id;\n\n if (!id) {\n throw new Error('class does not have id: ' + item);\n }\n\n if (id in items) {\n return scope;\n }\n\n items[id] = item;\n registerDefaults(item, scope, parentScope);\n\n if (this.override) {\n defaults.override(item.id, item.overrides);\n }\n\n return scope;\n }\n }, {\n key: \"get\",\n value: function get(id) {\n return this.items[id];\n }\n }, {\n key: \"unregister\",\n value: function unregister(item) {\n var items = this.items;\n var id = item.id;\n var scope = this.scope;\n\n if (id in items) {\n delete items[id];\n }\n\n if (scope && id in defaults[scope]) {\n delete defaults[scope][id];\n\n if (this.override) {\n delete overrides[id];\n }\n }\n }\n }]);\n\n return TypedRegistry;\n}();\n\nfunction registerDefaults(item, scope, parentScope) {\n var itemDefaults = merge(Object.create(null), [parentScope ? defaults.get(parentScope) : {}, defaults.get(scope), item.defaults]);\n defaults.set(scope, itemDefaults);\n\n if (item.defaultRoutes) {\n routeDefaults(scope, item.defaultRoutes);\n }\n\n if (item.descriptors) {\n defaults.describe(scope, item.descriptors);\n }\n}\n\nfunction routeDefaults(scope, routes) {\n Object.keys(routes).forEach(function (property) {\n var propertyParts = property.split('.');\n var sourceName = propertyParts.pop();\n var sourceScope = [scope].concat(propertyParts).join('.');\n var parts = routes[property].split('.');\n var targetName = parts.pop();\n var targetScope = parts.join('.');\n defaults.route(sourceScope, sourceName, targetScope, targetName);\n });\n}\n\nfunction isIChartComponent(proto) {\n return 'id' in proto && 'defaults' in proto;\n}\n\nvar Registry = /*#__PURE__*/function () {\n function Registry() {\n _classCallCheck(this, Registry);\n\n this.controllers = new TypedRegistry(DatasetController, 'datasets', true);\n this.elements = new TypedRegistry(Element, 'elements');\n this.plugins = new TypedRegistry(Object, 'plugins');\n this.scales = new TypedRegistry(Scale, 'scales');\n this._typedRegistries = [this.controllers, this.scales, this.elements];\n }\n\n _createClass(Registry, [{\n key: \"add\",\n value: function add() {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n this._each('register', args);\n }\n }, {\n key: \"remove\",\n value: function remove() {\n for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n\n this._each('unregister', args);\n }\n }, {\n key: \"addControllers\",\n value: function addControllers() {\n for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n args[_key3] = arguments[_key3];\n }\n\n this._each('register', args, this.controllers);\n }\n }, {\n key: \"addElements\",\n value: function addElements() {\n for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n args[_key4] = arguments[_key4];\n }\n\n this._each('register', args, this.elements);\n }\n }, {\n key: \"addPlugins\",\n value: function addPlugins() {\n for (var _len5 = arguments.length, args = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {\n args[_key5] = arguments[_key5];\n }\n\n this._each('register', args, this.plugins);\n }\n }, {\n key: \"addScales\",\n value: function addScales() {\n for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {\n args[_key6] = arguments[_key6];\n }\n\n this._each('register', args, this.scales);\n }\n }, {\n key: \"getController\",\n value: function getController(id) {\n return this._get(id, this.controllers, 'controller');\n }\n }, {\n key: \"getElement\",\n value: function getElement(id) {\n return this._get(id, this.elements, 'element');\n }\n }, {\n key: \"getPlugin\",\n value: function getPlugin(id) {\n return this._get(id, this.plugins, 'plugin');\n }\n }, {\n key: \"getScale\",\n value: function getScale(id) {\n return this._get(id, this.scales, 'scale');\n }\n }, {\n key: \"removeControllers\",\n value: function removeControllers() {\n for (var _len7 = arguments.length, args = new Array(_len7), _key7 = 0; _key7 < _len7; _key7++) {\n args[_key7] = arguments[_key7];\n }\n\n this._each('unregister', args, this.controllers);\n }\n }, {\n key: \"removeElements\",\n value: function removeElements() {\n for (var _len8 = arguments.length, args = new Array(_len8), _key8 = 0; _key8 < _len8; _key8++) {\n args[_key8] = arguments[_key8];\n }\n\n this._each('unregister', args, this.elements);\n }\n }, {\n key: \"removePlugins\",\n value: function removePlugins() {\n for (var _len9 = arguments.length, args = new Array(_len9), _key9 = 0; _key9 < _len9; _key9++) {\n args[_key9] = arguments[_key9];\n }\n\n this._each('unregister', args, this.plugins);\n }\n }, {\n key: \"removeScales\",\n value: function removeScales() {\n for (var _len10 = arguments.length, args = new Array(_len10), _key10 = 0; _key10 < _len10; _key10++) {\n args[_key10] = arguments[_key10];\n }\n\n this._each('unregister', args, this.scales);\n }\n }, {\n key: \"_each\",\n value: function _each(method, args, typedRegistry) {\n var _this11 = this;\n\n _toConsumableArray(args).forEach(function (arg) {\n var reg = typedRegistry || _this11._getRegistryForType(arg);\n\n if (typedRegistry || reg.isForType(arg) || reg === _this11.plugins && arg.id) {\n _this11._exec(method, reg, arg);\n } else {\n each(arg, function (item) {\n var itemReg = typedRegistry || _this11._getRegistryForType(item);\n\n _this11._exec(method, itemReg, item);\n });\n }\n });\n }\n }, {\n key: \"_exec\",\n value: function _exec(method, registry, component) {\n var camelMethod = _capitalize(method);\n\n callback(component['before' + camelMethod], [], component);\n registry[method](component);\n callback(component['after' + camelMethod], [], component);\n }\n }, {\n key: \"_getRegistryForType\",\n value: function _getRegistryForType(type) {\n for (var i = 0; i < this._typedRegistries.length; i++) {\n var reg = this._typedRegistries[i];\n\n if (reg.isForType(type)) {\n return reg;\n }\n }\n\n return this.plugins;\n }\n }, {\n key: \"_get\",\n value: function _get(id, typedRegistry, type) {\n var item = typedRegistry.get(id);\n\n if (item === undefined) {\n throw new Error('\"' + id + '\" is not a registered ' + type + '.');\n }\n\n return item;\n }\n }]);\n\n return Registry;\n}();\n\nvar registry = new Registry();\n\nvar ScatterController = /*#__PURE__*/function (_DatasetController7) {\n _inherits(ScatterController, _DatasetController7);\n\n var _super9 = _createSuper(ScatterController);\n\n function ScatterController() {\n _classCallCheck(this, ScatterController);\n\n return _super9.apply(this, arguments);\n }\n\n _createClass(ScatterController, [{\n key: \"update\",\n value: function update(mode) {\n var meta = this._cachedMeta;\n var _meta$data2 = meta.data,\n points = _meta$data2 === void 0 ? [] : _meta$data2;\n var animationsDisabled = this.chart._animationsDisabled;\n\n var _getStartAndCountOfVi2 = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled),\n start = _getStartAndCountOfVi2.start,\n count = _getStartAndCountOfVi2.count;\n\n this._drawStart = start;\n this._drawCount = count;\n\n if (_scaleRangesChanged(meta)) {\n start = 0;\n count = points.length;\n }\n\n if (this.options.showLine) {\n var line = meta.dataset,\n _dataset = meta._dataset;\n line._chart = this.chart;\n line._datasetIndex = this.index;\n line._decimated = !!_dataset._decimated;\n line.points = points;\n var options = this.resolveDatasetElementOptions(mode);\n options.segment = this.options.segment;\n this.updateElement(line, undefined, {\n animated: !animationsDisabled,\n options: options\n }, mode);\n }\n\n this.updateElements(points, start, count, mode);\n }\n }, {\n key: \"addElements\",\n value: function addElements() {\n var showLine = this.options.showLine;\n\n if (!this.datasetElementType && showLine) {\n this.datasetElementType = registry.getElement('line');\n }\n\n _get(_getPrototypeOf(ScatterController.prototype), \"addElements\", this).call(this);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(points, start, count, mode) {\n var reset = mode === 'reset';\n var _this$_cachedMeta4 = this._cachedMeta,\n iScale = _this$_cachedMeta4.iScale,\n vScale = _this$_cachedMeta4.vScale,\n _stacked = _this$_cachedMeta4._stacked,\n _dataset = _this$_cachedMeta4._dataset;\n var firstOpts = this.resolveDataElementOptions(start, mode);\n var sharedOptions = this.getSharedOptions(firstOpts);\n var includeOptions = this.includeOptions(mode, sharedOptions);\n var iAxis = iScale.axis;\n var vAxis = vScale.axis;\n var _this$options10 = this.options,\n spanGaps = _this$options10.spanGaps,\n segment = _this$options10.segment;\n var maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY;\n var directUpdate = this.chart._animationsDisabled || reset || mode === 'none';\n var prevParsed = start > 0 && this.getParsed(start - 1);\n\n for (var i = start; i < start + count; ++i) {\n var point = points[i];\n var parsed = this.getParsed(i);\n var properties = directUpdate ? point : {};\n var nullData = isNullOrUndef(parsed[vAxis]);\n var iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i);\n var vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i);\n properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData;\n properties.stop = i > 0 && Math.abs(parsed[iAxis] - prevParsed[iAxis]) > maxGapLength;\n\n if (segment) {\n properties.parsed = parsed;\n properties.raw = _dataset.data[i];\n }\n\n if (includeOptions) {\n properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode);\n }\n\n if (!directUpdate) {\n this.updateElement(point, i, properties, mode);\n }\n\n prevParsed = parsed;\n }\n\n this.updateSharedOptions(sharedOptions, mode, firstOpts);\n }\n }, {\n key: \"getMaxOverflow\",\n value: function getMaxOverflow() {\n var meta = this._cachedMeta;\n var data = meta.data || [];\n\n if (!this.options.showLine) {\n var max = 0;\n\n for (var i = data.length - 1; i >= 0; --i) {\n max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2);\n }\n\n return max > 0 && max;\n }\n\n var dataset = meta.dataset;\n var border = dataset.options && dataset.options.borderWidth || 0;\n\n if (!data.length) {\n return border;\n }\n\n var firstPoint = data[0].size(this.resolveDataElementOptions(0));\n var lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1));\n return Math.max(border, firstPoint, lastPoint) / 2;\n }\n }]);\n\n return ScatterController;\n}(DatasetController);\n\nScatterController.id = 'scatter';\nScatterController.defaults = {\n datasetElementType: false,\n dataElementType: 'point',\n showLine: false,\n fill: false\n};\nScatterController.overrides = {\n interaction: {\n mode: 'point'\n },\n plugins: {\n tooltip: {\n callbacks: {\n title: function title() {\n return '';\n },\n label: function label(item) {\n return '(' + item.label + ', ' + item.formattedValue + ')';\n }\n }\n }\n },\n scales: {\n x: {\n type: 'linear'\n },\n y: {\n type: 'linear'\n }\n }\n};\nvar controllers = /*#__PURE__*/Object.freeze({\n __proto__: null,\n BarController: BarController,\n BubbleController: BubbleController,\n DoughnutController: DoughnutController,\n LineController: LineController,\n PolarAreaController: PolarAreaController,\n PieController: PieController,\n RadarController: RadarController,\n ScatterController: ScatterController\n});\n\nfunction _abstract() {\n throw new Error('This method is not implemented: Check that a complete date adapter is provided.');\n}\n\nvar DateAdapter = /*#__PURE__*/function () {\n function DateAdapter(options) {\n _classCallCheck(this, DateAdapter);\n\n this.options = options || {};\n }\n\n _createClass(DateAdapter, [{\n key: \"init\",\n value: function init(chartOptions) {}\n }, {\n key: \"formats\",\n value: function formats() {\n return _abstract();\n }\n }, {\n key: \"parse\",\n value: function parse(value, format) {\n return _abstract();\n }\n }, {\n key: \"format\",\n value: function format(timestamp, _format) {\n return _abstract();\n }\n }, {\n key: \"add\",\n value: function add(timestamp, amount, unit) {\n return _abstract();\n }\n }, {\n key: \"diff\",\n value: function diff(a, b, unit) {\n return _abstract();\n }\n }, {\n key: \"startOf\",\n value: function startOf(timestamp, unit, weekday) {\n return _abstract();\n }\n }, {\n key: \"endOf\",\n value: function endOf(timestamp, unit) {\n return _abstract();\n }\n }]);\n\n return DateAdapter;\n}();\n\nDateAdapter.override = function (members) {\n Object.assign(DateAdapter.prototype, members);\n};\n\nvar adapters = {\n _date: DateAdapter\n};\n\nfunction binarySearch(metaset, axis, value, intersect) {\n var controller = metaset.controller,\n data = metaset.data,\n _sorted = metaset._sorted;\n var iScale = controller._cachedMeta.iScale;\n\n if (iScale && axis === iScale.axis && axis !== 'r' && _sorted && data.length) {\n var lookupMethod = iScale._reversePixels ? _rlookupByKey : _lookupByKey;\n\n if (!intersect) {\n return lookupMethod(data, axis, value);\n } else if (controller._sharedOptions) {\n var el = data[0];\n var range = typeof el.getRange === 'function' && el.getRange(axis);\n\n if (range) {\n var start = lookupMethod(data, axis, value - range);\n var end = lookupMethod(data, axis, value + range);\n return {\n lo: start.lo,\n hi: end.hi\n };\n }\n }\n }\n\n return {\n lo: 0,\n hi: data.length - 1\n };\n}\n\nfunction evaluateInteractionItems(chart, axis, position, handler, intersect) {\n var metasets = chart.getSortedVisibleDatasetMetas();\n var value = position[axis];\n\n for (var i = 0, ilen = metasets.length; i < ilen; ++i) {\n var _metasets$i = metasets[i],\n _index2 = _metasets$i.index,\n data = _metasets$i.data;\n\n var _binarySearch = binarySearch(metasets[i], axis, value, intersect),\n lo = _binarySearch.lo,\n hi = _binarySearch.hi;\n\n for (var j = lo; j <= hi; ++j) {\n var element = data[j];\n\n if (!element.skip) {\n handler(element, _index2, j);\n }\n }\n }\n}\n\nfunction getDistanceMetricForAxis(axis) {\n var useX = axis.indexOf('x') !== -1;\n var useY = axis.indexOf('y') !== -1;\n return function (pt1, pt2) {\n var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;\n var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;\n return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));\n };\n}\n\nfunction getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) {\n var items = [];\n\n if (!includeInvisible && !chart.isPointInArea(position)) {\n return items;\n }\n\n var evaluationFunc = function evaluationFunc(element, datasetIndex, index) {\n if (!includeInvisible && !_isPointInArea(element, chart.chartArea, 0)) {\n return;\n }\n\n if (element.inRange(position.x, position.y, useFinalPosition)) {\n items.push({\n element: element,\n datasetIndex: datasetIndex,\n index: index\n });\n }\n };\n\n evaluateInteractionItems(chart, axis, position, evaluationFunc, true);\n return items;\n}\n\nfunction getNearestRadialItems(chart, position, axis, useFinalPosition) {\n var items = [];\n\n function evaluationFunc(element, datasetIndex, index) {\n var _element$getProps = element.getProps(['startAngle', 'endAngle'], useFinalPosition),\n startAngle = _element$getProps.startAngle,\n endAngle = _element$getProps.endAngle;\n\n var _getAngleFromPoint = getAngleFromPoint(element, {\n x: position.x,\n y: position.y\n }),\n angle = _getAngleFromPoint.angle;\n\n if (_angleBetween(angle, startAngle, endAngle)) {\n items.push({\n element: element,\n datasetIndex: datasetIndex,\n index: index\n });\n }\n }\n\n evaluateInteractionItems(chart, axis, position, evaluationFunc);\n return items;\n}\n\nfunction getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) {\n var items = [];\n var distanceMetric = getDistanceMetricForAxis(axis);\n var minDistance = Number.POSITIVE_INFINITY;\n\n function evaluationFunc(element, datasetIndex, index) {\n var inRange = element.inRange(position.x, position.y, useFinalPosition);\n\n if (intersect && !inRange) {\n return;\n }\n\n var center = element.getCenterPoint(useFinalPosition);\n var pointInArea = !!includeInvisible || chart.isPointInArea(center);\n\n if (!pointInArea && !inRange) {\n return;\n }\n\n var distance = distanceMetric(position, center);\n\n if (distance < minDistance) {\n items = [{\n element: element,\n datasetIndex: datasetIndex,\n index: index\n }];\n minDistance = distance;\n } else if (distance === minDistance) {\n items.push({\n element: element,\n datasetIndex: datasetIndex,\n index: index\n });\n }\n }\n\n evaluateInteractionItems(chart, axis, position, evaluationFunc);\n return items;\n}\n\nfunction getNearestItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) {\n if (!includeInvisible && !chart.isPointInArea(position)) {\n return [];\n }\n\n return axis === 'r' && !intersect ? getNearestRadialItems(chart, position, axis, useFinalPosition) : getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible);\n}\n\nfunction getAxisItems(chart, position, axis, intersect, useFinalPosition) {\n var items = [];\n var rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange';\n var intersectsItem = false;\n evaluateInteractionItems(chart, axis, position, function (element, datasetIndex, index) {\n if (element[rangeMethod](position[axis], useFinalPosition)) {\n items.push({\n element: element,\n datasetIndex: datasetIndex,\n index: index\n });\n intersectsItem = intersectsItem || element.inRange(position.x, position.y, useFinalPosition);\n }\n });\n\n if (intersect && !intersectsItem) {\n return [];\n }\n\n return items;\n}\n\nvar Interaction = {\n evaluateInteractionItems: evaluateInteractionItems,\n modes: {\n index: function index(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n var axis = options.axis || 'x';\n var includeInvisible = options.includeInvisible || false;\n var items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible);\n var elements = [];\n\n if (!items.length) {\n return [];\n }\n\n chart.getSortedVisibleDatasetMetas().forEach(function (meta) {\n var index = items[0].index;\n var element = meta.data[index];\n\n if (element && !element.skip) {\n elements.push({\n element: element,\n datasetIndex: meta.index,\n index: index\n });\n }\n });\n return elements;\n },\n dataset: function dataset(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n var axis = options.axis || 'xy';\n var includeInvisible = options.includeInvisible || false;\n var items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible);\n\n if (items.length > 0) {\n var datasetIndex = items[0].datasetIndex;\n var data = chart.getDatasetMeta(datasetIndex).data;\n items = [];\n\n for (var i = 0; i < data.length; ++i) {\n items.push({\n element: data[i],\n datasetIndex: datasetIndex,\n index: i\n });\n }\n }\n\n return items;\n },\n point: function point(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n var axis = options.axis || 'xy';\n var includeInvisible = options.includeInvisible || false;\n return getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible);\n },\n nearest: function nearest(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n var axis = options.axis || 'xy';\n var includeInvisible = options.includeInvisible || false;\n return getNearestItems(chart, position, axis, options.intersect, useFinalPosition, includeInvisible);\n },\n x: function x(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n return getAxisItems(chart, position, 'x', options.intersect, useFinalPosition);\n },\n y: function y(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n return getAxisItems(chart, position, 'y', options.intersect, useFinalPosition);\n }\n }\n};\nvar STATIC_POSITIONS = ['left', 'top', 'right', 'bottom'];\n\nfunction filterByPosition(array, position) {\n return array.filter(function (v) {\n return v.pos === position;\n });\n}\n\nfunction filterDynamicPositionByAxis(array, axis) {\n return array.filter(function (v) {\n return STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis;\n });\n}\n\nfunction sortByWeight(array, reverse) {\n return array.sort(function (a, b) {\n var v0 = reverse ? b : a;\n var v1 = reverse ? a : b;\n return v0.weight === v1.weight ? v0.index - v1.index : v0.weight - v1.weight;\n });\n}\n\nfunction wrapBoxes(boxes) {\n var layoutBoxes = [];\n var i, ilen, box, pos, stack, stackWeight;\n\n for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) {\n box = boxes[i];\n var _box = box;\n pos = _box.position;\n var _box$options = _box.options;\n stack = _box$options.stack;\n var _box$options$stackWei = _box$options.stackWeight;\n stackWeight = _box$options$stackWei === void 0 ? 1 : _box$options$stackWei;\n layoutBoxes.push({\n index: i,\n box: box,\n pos: pos,\n horizontal: box.isHorizontal(),\n weight: box.weight,\n stack: stack && pos + stack,\n stackWeight: stackWeight\n });\n }\n\n return layoutBoxes;\n}\n\nfunction buildStacks(layouts) {\n var stacks = {};\n\n var _iterator6 = _createForOfIteratorHelper(layouts),\n _step6;\n\n try {\n for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {\n var wrap = _step6.value;\n var stack = wrap.stack,\n pos = wrap.pos,\n stackWeight = wrap.stackWeight;\n\n if (!stack || !STATIC_POSITIONS.includes(pos)) {\n continue;\n }\n\n var _stack = stacks[stack] || (stacks[stack] = {\n count: 0,\n placed: 0,\n weight: 0,\n size: 0\n });\n\n _stack.count++;\n _stack.weight += stackWeight;\n }\n } catch (err) {\n _iterator6.e(err);\n } finally {\n _iterator6.f();\n }\n\n return stacks;\n}\n\nfunction setLayoutDims(layouts, params) {\n var stacks = buildStacks(layouts);\n var vBoxMaxWidth = params.vBoxMaxWidth,\n hBoxMaxHeight = params.hBoxMaxHeight;\n var i, ilen, layout;\n\n for (i = 0, ilen = layouts.length; i < ilen; ++i) {\n layout = layouts[i];\n var fullSize = layout.box.fullSize;\n var stack = stacks[layout.stack];\n var factor = stack && layout.stackWeight / stack.weight;\n\n if (layout.horizontal) {\n layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth;\n layout.height = hBoxMaxHeight;\n } else {\n layout.width = vBoxMaxWidth;\n layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight;\n }\n }\n\n return stacks;\n}\n\nfunction buildLayoutBoxes(boxes) {\n var layoutBoxes = wrapBoxes(boxes);\n var fullSize = sortByWeight(layoutBoxes.filter(function (wrap) {\n return wrap.box.fullSize;\n }), true);\n var left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true);\n var right = sortByWeight(filterByPosition(layoutBoxes, 'right'));\n var top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true);\n var bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom'));\n var centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x');\n var centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y');\n return {\n fullSize: fullSize,\n leftAndTop: left.concat(top),\n rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal),\n chartArea: filterByPosition(layoutBoxes, 'chartArea'),\n vertical: left.concat(right).concat(centerVertical),\n horizontal: top.concat(bottom).concat(centerHorizontal)\n };\n}\n\nfunction getCombinedMax(maxPadding, chartArea, a, b) {\n return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]);\n}\n\nfunction updateMaxPadding(maxPadding, boxPadding) {\n maxPadding.top = Math.max(maxPadding.top, boxPadding.top);\n maxPadding.left = Math.max(maxPadding.left, boxPadding.left);\n maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom);\n maxPadding.right = Math.max(maxPadding.right, boxPadding.right);\n}\n\nfunction updateDims(chartArea, params, layout, stacks) {\n var pos = layout.pos,\n box = layout.box;\n var maxPadding = chartArea.maxPadding;\n\n if (!isObject(pos)) {\n if (layout.size) {\n chartArea[pos] -= layout.size;\n }\n\n var stack = stacks[layout.stack] || {\n size: 0,\n count: 1\n };\n stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width);\n layout.size = stack.size / stack.count;\n chartArea[pos] += layout.size;\n }\n\n if (box.getPadding) {\n updateMaxPadding(maxPadding, box.getPadding());\n }\n\n var newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right'));\n var newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom'));\n var widthChanged = newWidth !== chartArea.w;\n var heightChanged = newHeight !== chartArea.h;\n chartArea.w = newWidth;\n chartArea.h = newHeight;\n return layout.horizontal ? {\n same: widthChanged,\n other: heightChanged\n } : {\n same: heightChanged,\n other: widthChanged\n };\n}\n\nfunction handleMaxPadding(chartArea) {\n var maxPadding = chartArea.maxPadding;\n\n function updatePos(pos) {\n var change = Math.max(maxPadding[pos] - chartArea[pos], 0);\n chartArea[pos] += change;\n return change;\n }\n\n chartArea.y += updatePos('top');\n chartArea.x += updatePos('left');\n updatePos('right');\n updatePos('bottom');\n}\n\nfunction getMargins(horizontal, chartArea) {\n var maxPadding = chartArea.maxPadding;\n\n function marginForPositions(positions) {\n var margin = {\n left: 0,\n top: 0,\n right: 0,\n bottom: 0\n };\n positions.forEach(function (pos) {\n margin[pos] = Math.max(chartArea[pos], maxPadding[pos]);\n });\n return margin;\n }\n\n return horizontal ? marginForPositions(['left', 'right']) : marginForPositions(['top', 'bottom']);\n}\n\nfunction fitBoxes(boxes, chartArea, params, stacks) {\n var refitBoxes = [];\n var i, ilen, layout, box, refit, changed;\n\n for (i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i) {\n layout = boxes[i];\n box = layout.box;\n box.update(layout.width || chartArea.w, layout.height || chartArea.h, getMargins(layout.horizontal, chartArea));\n\n var _updateDims = updateDims(chartArea, params, layout, stacks),\n same = _updateDims.same,\n other = _updateDims.other;\n\n refit |= same && refitBoxes.length;\n changed = changed || other;\n\n if (!box.fullSize) {\n refitBoxes.push(layout);\n }\n }\n\n return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed;\n}\n\nfunction setBoxDims(box, left, top, width, height) {\n box.top = top;\n box.left = left;\n box.right = left + width;\n box.bottom = top + height;\n box.width = width;\n box.height = height;\n}\n\nfunction placeBoxes(boxes, chartArea, params, stacks) {\n var userPadding = params.padding;\n var x = chartArea.x,\n y = chartArea.y;\n\n var _iterator7 = _createForOfIteratorHelper(boxes),\n _step7;\n\n try {\n for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {\n var layout = _step7.value;\n var box = layout.box;\n var stack = stacks[layout.stack] || {\n count: 1,\n placed: 0,\n weight: 1\n };\n var weight = layout.stackWeight / stack.weight || 1;\n\n if (layout.horizontal) {\n var width = chartArea.w * weight;\n var height = stack.size || box.height;\n\n if (defined(stack.start)) {\n y = stack.start;\n }\n\n if (box.fullSize) {\n setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height);\n } else {\n setBoxDims(box, chartArea.left + stack.placed, y, width, height);\n }\n\n stack.start = y;\n stack.placed += width;\n y = box.bottom;\n } else {\n var _height = chartArea.h * weight;\n\n var _width = stack.size || box.width;\n\n if (defined(stack.start)) {\n x = stack.start;\n }\n\n if (box.fullSize) {\n setBoxDims(box, x, userPadding.top, _width, params.outerHeight - userPadding.bottom - userPadding.top);\n } else {\n setBoxDims(box, x, chartArea.top + stack.placed, _width, _height);\n }\n\n stack.start = x;\n stack.placed += _height;\n x = box.right;\n }\n }\n } catch (err) {\n _iterator7.e(err);\n } finally {\n _iterator7.f();\n }\n\n chartArea.x = x;\n chartArea.y = y;\n}\n\ndefaults.set('layout', {\n autoPadding: true,\n padding: {\n top: 0,\n right: 0,\n bottom: 0,\n left: 0\n }\n});\nvar layouts = {\n addBox: function addBox(chart, item) {\n if (!chart.boxes) {\n chart.boxes = [];\n }\n\n item.fullSize = item.fullSize || false;\n item.position = item.position || 'top';\n item.weight = item.weight || 0;\n\n item._layers = item._layers || function () {\n return [{\n z: 0,\n draw: function draw(chartArea) {\n item.draw(chartArea);\n }\n }];\n };\n\n chart.boxes.push(item);\n },\n removeBox: function removeBox(chart, layoutItem) {\n var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;\n\n if (index !== -1) {\n chart.boxes.splice(index, 1);\n }\n },\n configure: function configure(chart, item, options) {\n item.fullSize = options.fullSize;\n item.position = options.position;\n item.weight = options.weight;\n },\n update: function update(chart, width, height, minPadding) {\n if (!chart) {\n return;\n }\n\n var padding = toPadding(chart.options.layout.padding);\n var availableWidth = Math.max(width - padding.width, 0);\n var availableHeight = Math.max(height - padding.height, 0);\n var boxes = buildLayoutBoxes(chart.boxes);\n var verticalBoxes = boxes.vertical;\n var horizontalBoxes = boxes.horizontal;\n each(chart.boxes, function (box) {\n if (typeof box.beforeLayout === 'function') {\n box.beforeLayout();\n }\n });\n var visibleVerticalBoxCount = verticalBoxes.reduce(function (total, wrap) {\n return wrap.box.options && wrap.box.options.display === false ? total : total + 1;\n }, 0) || 1;\n var params = Object.freeze({\n outerWidth: width,\n outerHeight: height,\n padding: padding,\n availableWidth: availableWidth,\n availableHeight: availableHeight,\n vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount,\n hBoxMaxHeight: availableHeight / 2\n });\n var maxPadding = Object.assign({}, padding);\n updateMaxPadding(maxPadding, toPadding(minPadding));\n var chartArea = Object.assign({\n maxPadding: maxPadding,\n w: availableWidth,\n h: availableHeight,\n x: padding.left,\n y: padding.top\n }, padding);\n var stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params);\n fitBoxes(boxes.fullSize, chartArea, params, stacks);\n fitBoxes(verticalBoxes, chartArea, params, stacks);\n\n if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) {\n fitBoxes(verticalBoxes, chartArea, params, stacks);\n }\n\n handleMaxPadding(chartArea);\n placeBoxes(boxes.leftAndTop, chartArea, params, stacks);\n chartArea.x += chartArea.w;\n chartArea.y += chartArea.h;\n placeBoxes(boxes.rightAndBottom, chartArea, params, stacks);\n chart.chartArea = {\n left: chartArea.left,\n top: chartArea.top,\n right: chartArea.left + chartArea.w,\n bottom: chartArea.top + chartArea.h,\n height: chartArea.h,\n width: chartArea.w\n };\n each(boxes.chartArea, function (layout) {\n var box = layout.box;\n Object.assign(box, chart.chartArea);\n box.update(chartArea.w, chartArea.h, {\n left: 0,\n top: 0,\n right: 0,\n bottom: 0\n });\n });\n }\n};\n\nvar BasePlatform = /*#__PURE__*/function () {\n function BasePlatform() {\n _classCallCheck(this, BasePlatform);\n }\n\n _createClass(BasePlatform, [{\n key: \"acquireContext\",\n value: function acquireContext(canvas, aspectRatio) {}\n }, {\n key: \"releaseContext\",\n value: function releaseContext(context) {\n return false;\n }\n }, {\n key: \"addEventListener\",\n value: function addEventListener(chart, type, listener) {}\n }, {\n key: \"removeEventListener\",\n value: function removeEventListener(chart, type, listener) {}\n }, {\n key: \"getDevicePixelRatio\",\n value: function getDevicePixelRatio() {\n return 1;\n }\n }, {\n key: \"getMaximumSize\",\n value: function getMaximumSize(element, width, height, aspectRatio) {\n width = Math.max(0, width || element.width);\n height = height || element.height;\n return {\n width: width,\n height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height)\n };\n }\n }, {\n key: \"isAttached\",\n value: function isAttached(canvas) {\n return true;\n }\n }, {\n key: \"updateConfig\",\n value: function updateConfig(config) {}\n }]);\n\n return BasePlatform;\n}();\n\nvar BasicPlatform = /*#__PURE__*/function (_BasePlatform) {\n _inherits(BasicPlatform, _BasePlatform);\n\n var _super10 = _createSuper(BasicPlatform);\n\n function BasicPlatform() {\n _classCallCheck(this, BasicPlatform);\n\n return _super10.apply(this, arguments);\n }\n\n _createClass(BasicPlatform, [{\n key: \"acquireContext\",\n value: function acquireContext(item) {\n return item && item.getContext && item.getContext('2d') || null;\n }\n }, {\n key: \"updateConfig\",\n value: function updateConfig(config) {\n config.options.animation = false;\n }\n }]);\n\n return BasicPlatform;\n}(BasePlatform);\n\nvar EXPANDO_KEY = '$chartjs';\nvar EVENT_TYPES = {\n touchstart: 'mousedown',\n touchmove: 'mousemove',\n touchend: 'mouseup',\n pointerenter: 'mouseenter',\n pointerdown: 'mousedown',\n pointermove: 'mousemove',\n pointerup: 'mouseup',\n pointerleave: 'mouseout',\n pointerout: 'mouseout'\n};\n\nvar isNullOrEmpty = function isNullOrEmpty(value) {\n return value === null || value === '';\n};\n\nfunction initCanvas(canvas, aspectRatio) {\n var style = canvas.style;\n var renderHeight = canvas.getAttribute('height');\n var renderWidth = canvas.getAttribute('width');\n canvas[EXPANDO_KEY] = {\n initial: {\n height: renderHeight,\n width: renderWidth,\n style: {\n display: style.display,\n height: style.height,\n width: style.width\n }\n }\n };\n style.display = style.display || 'block';\n style.boxSizing = style.boxSizing || 'border-box';\n\n if (isNullOrEmpty(renderWidth)) {\n var displayWidth = readUsedSize(canvas, 'width');\n\n if (displayWidth !== undefined) {\n canvas.width = displayWidth;\n }\n }\n\n if (isNullOrEmpty(renderHeight)) {\n if (canvas.style.height === '') {\n canvas.height = canvas.width / (aspectRatio || 2);\n } else {\n var displayHeight = readUsedSize(canvas, 'height');\n\n if (displayHeight !== undefined) {\n canvas.height = displayHeight;\n }\n }\n }\n\n return canvas;\n}\n\nvar eventListenerOptions = supportsEventListenerOptions ? {\n passive: true\n} : false;\n\nfunction addListener(node, type, listener) {\n node.addEventListener(type, listener, eventListenerOptions);\n}\n\nfunction removeListener(chart, type, listener) {\n chart.canvas.removeEventListener(type, listener, eventListenerOptions);\n}\n\nfunction fromNativeEvent(event, chart) {\n var type = EVENT_TYPES[event.type] || event.type;\n\n var _getRelativePosition = getRelativePosition(event, chart),\n x = _getRelativePosition.x,\n y = _getRelativePosition.y;\n\n return {\n type: type,\n chart: chart,\n \"native\": event,\n x: x !== undefined ? x : null,\n y: y !== undefined ? y : null\n };\n}\n\nfunction nodeListContains(nodeList, canvas) {\n var _iterator8 = _createForOfIteratorHelper(nodeList),\n _step8;\n\n try {\n for (_iterator8.s(); !(_step8 = _iterator8.n()).done;) {\n var node = _step8.value;\n\n if (node === canvas || node.contains(canvas)) {\n return true;\n }\n }\n } catch (err) {\n _iterator8.e(err);\n } finally {\n _iterator8.f();\n }\n}\n\nfunction createAttachObserver(chart, type, listener) {\n var canvas = chart.canvas;\n var observer = new MutationObserver(function (entries) {\n var trigger = false;\n\n var _iterator9 = _createForOfIteratorHelper(entries),\n _step9;\n\n try {\n for (_iterator9.s(); !(_step9 = _iterator9.n()).done;) {\n var entry = _step9.value;\n trigger = trigger || nodeListContains(entry.addedNodes, canvas);\n trigger = trigger && !nodeListContains(entry.removedNodes, canvas);\n }\n } catch (err) {\n _iterator9.e(err);\n } finally {\n _iterator9.f();\n }\n\n if (trigger) {\n listener();\n }\n });\n observer.observe(document, {\n childList: true,\n subtree: true\n });\n return observer;\n}\n\nfunction createDetachObserver(chart, type, listener) {\n var canvas = chart.canvas;\n var observer = new MutationObserver(function (entries) {\n var trigger = false;\n\n var _iterator10 = _createForOfIteratorHelper(entries),\n _step10;\n\n try {\n for (_iterator10.s(); !(_step10 = _iterator10.n()).done;) {\n var entry = _step10.value;\n trigger = trigger || nodeListContains(entry.removedNodes, canvas);\n trigger = trigger && !nodeListContains(entry.addedNodes, canvas);\n }\n } catch (err) {\n _iterator10.e(err);\n } finally {\n _iterator10.f();\n }\n\n if (trigger) {\n listener();\n }\n });\n observer.observe(document, {\n childList: true,\n subtree: true\n });\n return observer;\n}\n\nvar drpListeningCharts = new Map();\nvar oldDevicePixelRatio = 0;\n\nfunction onWindowResize() {\n var dpr = window.devicePixelRatio;\n\n if (dpr === oldDevicePixelRatio) {\n return;\n }\n\n oldDevicePixelRatio = dpr;\n drpListeningCharts.forEach(function (resize, chart) {\n if (chart.currentDevicePixelRatio !== dpr) {\n resize();\n }\n });\n}\n\nfunction listenDevicePixelRatioChanges(chart, resize) {\n if (!drpListeningCharts.size) {\n window.addEventListener('resize', onWindowResize);\n }\n\n drpListeningCharts.set(chart, resize);\n}\n\nfunction unlistenDevicePixelRatioChanges(chart) {\n drpListeningCharts[\"delete\"](chart);\n\n if (!drpListeningCharts.size) {\n window.removeEventListener('resize', onWindowResize);\n }\n}\n\nfunction createResizeObserver(chart, type, listener) {\n var canvas = chart.canvas;\n\n var container = canvas && _getParentNode(canvas);\n\n if (!container) {\n return;\n }\n\n var resize = throttled(function (width, height) {\n var w = container.clientWidth;\n listener(width, height);\n\n if (w < container.clientWidth) {\n listener();\n }\n }, window);\n var observer = new ResizeObserver(function (entries) {\n var entry = entries[0];\n var width = entry.contentRect.width;\n var height = entry.contentRect.height;\n\n if (width === 0 && height === 0) {\n return;\n }\n\n resize(width, height);\n });\n observer.observe(container);\n listenDevicePixelRatioChanges(chart, resize);\n return observer;\n}\n\nfunction releaseObserver(chart, type, observer) {\n if (observer) {\n observer.disconnect();\n }\n\n if (type === 'resize') {\n unlistenDevicePixelRatioChanges(chart);\n }\n}\n\nfunction createProxyAndListen(chart, type, listener) {\n var canvas = chart.canvas;\n var proxy = throttled(function (event) {\n if (chart.ctx !== null) {\n listener(fromNativeEvent(event, chart));\n }\n }, chart, function (args) {\n var event = args[0];\n return [event, event.offsetX, event.offsetY];\n });\n addListener(canvas, type, proxy);\n return proxy;\n}\n\nvar DomPlatform = /*#__PURE__*/function (_BasePlatform2) {\n _inherits(DomPlatform, _BasePlatform2);\n\n var _super11 = _createSuper(DomPlatform);\n\n function DomPlatform() {\n _classCallCheck(this, DomPlatform);\n\n return _super11.apply(this, arguments);\n }\n\n _createClass(DomPlatform, [{\n key: \"acquireContext\",\n value: function acquireContext(canvas, aspectRatio) {\n var context = canvas && canvas.getContext && canvas.getContext('2d');\n\n if (context && context.canvas === canvas) {\n initCanvas(canvas, aspectRatio);\n return context;\n }\n\n return null;\n }\n }, {\n key: \"releaseContext\",\n value: function releaseContext(context) {\n var canvas = context.canvas;\n\n if (!canvas[EXPANDO_KEY]) {\n return false;\n }\n\n var initial = canvas[EXPANDO_KEY].initial;\n ['height', 'width'].forEach(function (prop) {\n var value = initial[prop];\n\n if (isNullOrUndef(value)) {\n canvas.removeAttribute(prop);\n } else {\n canvas.setAttribute(prop, value);\n }\n });\n var style = initial.style || {};\n Object.keys(style).forEach(function (key) {\n canvas.style[key] = style[key];\n });\n canvas.width = canvas.width;\n delete canvas[EXPANDO_KEY];\n return true;\n }\n }, {\n key: \"addEventListener\",\n value: function addEventListener(chart, type, listener) {\n this.removeEventListener(chart, type);\n var proxies = chart.$proxies || (chart.$proxies = {});\n var handlers = {\n attach: createAttachObserver,\n detach: createDetachObserver,\n resize: createResizeObserver\n };\n var handler = handlers[type] || createProxyAndListen;\n proxies[type] = handler(chart, type, listener);\n }\n }, {\n key: \"removeEventListener\",\n value: function removeEventListener(chart, type) {\n var proxies = chart.$proxies || (chart.$proxies = {});\n var proxy = proxies[type];\n\n if (!proxy) {\n return;\n }\n\n var handlers = {\n attach: releaseObserver,\n detach: releaseObserver,\n resize: releaseObserver\n };\n var handler = handlers[type] || removeListener;\n handler(chart, type, proxy);\n proxies[type] = undefined;\n }\n }, {\n key: \"getDevicePixelRatio\",\n value: function getDevicePixelRatio() {\n return window.devicePixelRatio;\n }\n }, {\n key: \"getMaximumSize\",\n value: function getMaximumSize(canvas, width, height, aspectRatio) {\n return _getMaximumSize(canvas, width, height, aspectRatio);\n }\n }, {\n key: \"isAttached\",\n value: function isAttached(canvas) {\n var container = _getParentNode(canvas);\n\n return !!(container && container.isConnected);\n }\n }]);\n\n return DomPlatform;\n}(BasePlatform);\n\nfunction _detectPlatform(canvas) {\n if (!_isDomSupported() || typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas) {\n return BasicPlatform;\n }\n\n return DomPlatform;\n}\n\nvar PluginService = /*#__PURE__*/function () {\n function PluginService() {\n _classCallCheck(this, PluginService);\n\n this._init = [];\n }\n\n _createClass(PluginService, [{\n key: \"notify\",\n value: function notify(chart, hook, args, filter) {\n if (hook === 'beforeInit') {\n this._init = this._createDescriptors(chart, true);\n\n this._notify(this._init, chart, 'install');\n }\n\n var descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart);\n\n var result = this._notify(descriptors, chart, hook, args);\n\n if (hook === 'afterDestroy') {\n this._notify(descriptors, chart, 'stop');\n\n this._notify(this._init, chart, 'uninstall');\n }\n\n return result;\n }\n }, {\n key: \"_notify\",\n value: function _notify(descriptors, chart, hook, args) {\n args = args || {};\n\n var _iterator11 = _createForOfIteratorHelper(descriptors),\n _step11;\n\n try {\n for (_iterator11.s(); !(_step11 = _iterator11.n()).done;) {\n var descriptor = _step11.value;\n var plugin = descriptor.plugin;\n var method = plugin[hook];\n var params = [chart, args, descriptor.options];\n\n if (callback(method, params, plugin) === false && args.cancelable) {\n return false;\n }\n }\n } catch (err) {\n _iterator11.e(err);\n } finally {\n _iterator11.f();\n }\n\n return true;\n }\n }, {\n key: \"invalidate\",\n value: function invalidate() {\n if (!isNullOrUndef(this._cache)) {\n this._oldCache = this._cache;\n this._cache = undefined;\n }\n }\n }, {\n key: \"_descriptors\",\n value: function _descriptors(chart) {\n if (this._cache) {\n return this._cache;\n }\n\n var descriptors = this._cache = this._createDescriptors(chart);\n\n this._notifyStateChanges(chart);\n\n return descriptors;\n }\n }, {\n key: \"_createDescriptors\",\n value: function _createDescriptors(chart, all) {\n var config = chart && chart.config;\n var options = valueOrDefault(config.options && config.options.plugins, {});\n var plugins = allPlugins(config);\n return options === false && !all ? [] : createDescriptors(chart, plugins, options, all);\n }\n }, {\n key: \"_notifyStateChanges\",\n value: function _notifyStateChanges(chart) {\n var previousDescriptors = this._oldCache || [];\n var descriptors = this._cache;\n\n var diff = function diff(a, b) {\n return a.filter(function (x) {\n return !b.some(function (y) {\n return x.plugin.id === y.plugin.id;\n });\n });\n };\n\n this._notify(diff(previousDescriptors, descriptors), chart, 'stop');\n\n this._notify(diff(descriptors, previousDescriptors), chart, 'start');\n }\n }]);\n\n return PluginService;\n}();\n\nfunction allPlugins(config) {\n var localIds = {};\n var plugins = [];\n var keys = Object.keys(registry.plugins.items);\n\n for (var i = 0; i < keys.length; i++) {\n plugins.push(registry.getPlugin(keys[i]));\n }\n\n var local = config.plugins || [];\n\n for (var _i2 = 0; _i2 < local.length; _i2++) {\n var plugin = local[_i2];\n\n if (plugins.indexOf(plugin) === -1) {\n plugins.push(plugin);\n localIds[plugin.id] = true;\n }\n }\n\n return {\n plugins: plugins,\n localIds: localIds\n };\n}\n\nfunction getOpts(options, all) {\n if (!all && options === false) {\n return null;\n }\n\n if (options === true) {\n return {};\n }\n\n return options;\n}\n\nfunction createDescriptors(chart, _ref5, options, all) {\n var plugins = _ref5.plugins,\n localIds = _ref5.localIds;\n var result = [];\n var context = chart.getContext();\n\n var _iterator12 = _createForOfIteratorHelper(plugins),\n _step12;\n\n try {\n for (_iterator12.s(); !(_step12 = _iterator12.n()).done;) {\n var plugin = _step12.value;\n var id = plugin.id;\n var opts = getOpts(options[id], all);\n\n if (opts === null) {\n continue;\n }\n\n result.push({\n plugin: plugin,\n options: pluginOpts(chart.config, {\n plugin: plugin,\n local: localIds[id]\n }, opts, context)\n });\n }\n } catch (err) {\n _iterator12.e(err);\n } finally {\n _iterator12.f();\n }\n\n return result;\n}\n\nfunction pluginOpts(config, _ref6, opts, context) {\n var plugin = _ref6.plugin,\n local = _ref6.local;\n var keys = config.pluginScopeKeys(plugin);\n var scopes = config.getOptionScopes(opts, keys);\n\n if (local && plugin.defaults) {\n scopes.push(plugin.defaults);\n }\n\n return config.createResolver(scopes, context, [''], {\n scriptable: false,\n indexable: false,\n allKeys: true\n });\n}\n\nfunction getIndexAxis(type, options) {\n var datasetDefaults = defaults.datasets[type] || {};\n var datasetOptions = (options.datasets || {})[type] || {};\n return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x';\n}\n\nfunction getAxisFromDefaultScaleID(id, indexAxis) {\n var axis = id;\n\n if (id === '_index_') {\n axis = indexAxis;\n } else if (id === '_value_') {\n axis = indexAxis === 'x' ? 'y' : 'x';\n }\n\n return axis;\n}\n\nfunction getDefaultScaleIDFromAxis(axis, indexAxis) {\n return axis === indexAxis ? '_index_' : '_value_';\n}\n\nfunction axisFromPosition(position) {\n if (position === 'top' || position === 'bottom') {\n return 'x';\n }\n\n if (position === 'left' || position === 'right') {\n return 'y';\n }\n}\n\nfunction determineAxis(id, scaleOptions) {\n if (id === 'x' || id === 'y') {\n return id;\n }\n\n return scaleOptions.axis || axisFromPosition(scaleOptions.position) || id.charAt(0).toLowerCase();\n}\n\nfunction mergeScaleConfig(config, options) {\n var chartDefaults = overrides[config.type] || {\n scales: {}\n };\n var configScales = options.scales || {};\n var chartIndexAxis = getIndexAxis(config.type, options);\n var firstIDs = Object.create(null);\n var scales = Object.create(null);\n Object.keys(configScales).forEach(function (id) {\n var scaleConf = configScales[id];\n\n if (!isObject(scaleConf)) {\n return console.error(\"Invalid scale configuration for scale: \".concat(id));\n }\n\n if (scaleConf._proxy) {\n return console.warn(\"Ignoring resolver passed as options for scale: \".concat(id));\n }\n\n var axis = determineAxis(id, scaleConf);\n var defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis);\n var defaultScaleOptions = chartDefaults.scales || {};\n firstIDs[axis] = firstIDs[axis] || id;\n scales[id] = mergeIf(Object.create(null), [{\n axis: axis\n }, scaleConf, defaultScaleOptions[axis], defaultScaleOptions[defaultId]]);\n });\n config.data.datasets.forEach(function (dataset) {\n var type = dataset.type || config.type;\n var indexAxis = dataset.indexAxis || getIndexAxis(type, options);\n var datasetDefaults = overrides[type] || {};\n var defaultScaleOptions = datasetDefaults.scales || {};\n Object.keys(defaultScaleOptions).forEach(function (defaultID) {\n var axis = getAxisFromDefaultScaleID(defaultID, indexAxis);\n var id = dataset[axis + 'AxisID'] || firstIDs[axis] || axis;\n scales[id] = scales[id] || Object.create(null);\n mergeIf(scales[id], [{\n axis: axis\n }, configScales[id], defaultScaleOptions[defaultID]]);\n });\n });\n Object.keys(scales).forEach(function (key) {\n var scale = scales[key];\n mergeIf(scale, [defaults.scales[scale.type], defaults.scale]);\n });\n return scales;\n}\n\nfunction initOptions(config) {\n var options = config.options || (config.options = {});\n options.plugins = valueOrDefault(options.plugins, {});\n options.scales = mergeScaleConfig(config, options);\n}\n\nfunction initData(data) {\n data = data || {};\n data.datasets = data.datasets || [];\n data.labels = data.labels || [];\n return data;\n}\n\nfunction initConfig(config) {\n config = config || {};\n config.data = initData(config.data);\n initOptions(config);\n return config;\n}\n\nvar keyCache = new Map();\nvar keysCached = new Set();\n\nfunction cachedKeys(cacheKey, generate) {\n var keys = keyCache.get(cacheKey);\n\n if (!keys) {\n keys = generate();\n keyCache.set(cacheKey, keys);\n keysCached.add(keys);\n }\n\n return keys;\n}\n\nvar addIfFound = function addIfFound(set, obj, key) {\n var opts = resolveObjectKey(obj, key);\n\n if (opts !== undefined) {\n set.add(opts);\n }\n};\n\nvar Config = /*#__PURE__*/function () {\n function Config(config) {\n _classCallCheck(this, Config);\n\n this._config = initConfig(config);\n this._scopeCache = new Map();\n this._resolverCache = new Map();\n }\n\n _createClass(Config, [{\n key: \"platform\",\n get: function get() {\n return this._config.platform;\n }\n }, {\n key: \"type\",\n get: function get() {\n return this._config.type;\n },\n set: function set(type) {\n this._config.type = type;\n }\n }, {\n key: \"data\",\n get: function get() {\n return this._config.data;\n },\n set: function set(data) {\n this._config.data = initData(data);\n }\n }, {\n key: \"options\",\n get: function get() {\n return this._config.options;\n },\n set: function set(options) {\n this._config.options = options;\n }\n }, {\n key: \"plugins\",\n get: function get() {\n return this._config.plugins;\n }\n }, {\n key: \"update\",\n value: function update() {\n var config = this._config;\n this.clearCache();\n initOptions(config);\n }\n }, {\n key: \"clearCache\",\n value: function clearCache() {\n this._scopeCache.clear();\n\n this._resolverCache.clear();\n }\n }, {\n key: \"datasetScopeKeys\",\n value: function datasetScopeKeys(datasetType) {\n return cachedKeys(datasetType, function () {\n return [[\"datasets.\".concat(datasetType), '']];\n });\n }\n }, {\n key: \"datasetAnimationScopeKeys\",\n value: function datasetAnimationScopeKeys(datasetType, transition) {\n return cachedKeys(\"\".concat(datasetType, \".transition.\").concat(transition), function () {\n return [[\"datasets.\".concat(datasetType, \".transitions.\").concat(transition), \"transitions.\".concat(transition)], [\"datasets.\".concat(datasetType), '']];\n });\n }\n }, {\n key: \"datasetElementScopeKeys\",\n value: function datasetElementScopeKeys(datasetType, elementType) {\n return cachedKeys(\"\".concat(datasetType, \"-\").concat(elementType), function () {\n return [[\"datasets.\".concat(datasetType, \".elements.\").concat(elementType), \"datasets.\".concat(datasetType), \"elements.\".concat(elementType), '']];\n });\n }\n }, {\n key: \"pluginScopeKeys\",\n value: function pluginScopeKeys(plugin) {\n var id = plugin.id;\n var type = this.type;\n return cachedKeys(\"\".concat(type, \"-plugin-\").concat(id), function () {\n return [[\"plugins.\".concat(id)].concat(_toConsumableArray(plugin.additionalOptionScopes || []))];\n });\n }\n }, {\n key: \"_cachedScopes\",\n value: function _cachedScopes(mainScope, resetCache) {\n var _scopeCache = this._scopeCache;\n\n var cache = _scopeCache.get(mainScope);\n\n if (!cache || resetCache) {\n cache = new Map();\n\n _scopeCache.set(mainScope, cache);\n }\n\n return cache;\n }\n }, {\n key: \"getOptionScopes\",\n value: function getOptionScopes(mainScope, keyLists, resetCache) {\n var options = this.options,\n type = this.type;\n\n var cache = this._cachedScopes(mainScope, resetCache);\n\n var cached = cache.get(keyLists);\n\n if (cached) {\n return cached;\n }\n\n var scopes = new Set();\n keyLists.forEach(function (keys) {\n if (mainScope) {\n scopes.add(mainScope);\n keys.forEach(function (key) {\n return addIfFound(scopes, mainScope, key);\n });\n }\n\n keys.forEach(function (key) {\n return addIfFound(scopes, options, key);\n });\n keys.forEach(function (key) {\n return addIfFound(scopes, overrides[type] || {}, key);\n });\n keys.forEach(function (key) {\n return addIfFound(scopes, defaults, key);\n });\n keys.forEach(function (key) {\n return addIfFound(scopes, descriptors, key);\n });\n });\n var array = Array.from(scopes);\n\n if (array.length === 0) {\n array.push(Object.create(null));\n }\n\n if (keysCached.has(keyLists)) {\n cache.set(keyLists, array);\n }\n\n return array;\n }\n }, {\n key: \"chartOptionScopes\",\n value: function chartOptionScopes() {\n var options = this.options,\n type = this.type;\n return [options, overrides[type] || {}, defaults.datasets[type] || {}, {\n type: type\n }, defaults, descriptors];\n }\n }, {\n key: \"resolveNamedOptions\",\n value: function resolveNamedOptions(scopes, names, context) {\n var prefixes = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : [''];\n var result = {\n $shared: true\n };\n\n var _getResolver = getResolver(this._resolverCache, scopes, prefixes),\n resolver = _getResolver.resolver,\n subPrefixes = _getResolver.subPrefixes;\n\n var options = resolver;\n\n if (needContext(resolver, names)) {\n result.$shared = false;\n context = isFunction(context) ? context() : context;\n var subResolver = this.createResolver(scopes, context, subPrefixes);\n options = _attachContext(resolver, context, subResolver);\n }\n\n var _iterator13 = _createForOfIteratorHelper(names),\n _step13;\n\n try {\n for (_iterator13.s(); !(_step13 = _iterator13.n()).done;) {\n var prop = _step13.value;\n result[prop] = options[prop];\n }\n } catch (err) {\n _iterator13.e(err);\n } finally {\n _iterator13.f();\n }\n\n return result;\n }\n }, {\n key: \"createResolver\",\n value: function createResolver(scopes, context) {\n var prefixes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [''];\n var descriptorDefaults = arguments.length > 3 ? arguments[3] : undefined;\n\n var _getResolver2 = getResolver(this._resolverCache, scopes, prefixes),\n resolver = _getResolver2.resolver;\n\n return isObject(context) ? _attachContext(resolver, context, undefined, descriptorDefaults) : resolver;\n }\n }]);\n\n return Config;\n}();\n\nfunction getResolver(resolverCache, scopes, prefixes) {\n var cache = resolverCache.get(scopes);\n\n if (!cache) {\n cache = new Map();\n resolverCache.set(scopes, cache);\n }\n\n var cacheKey = prefixes.join();\n var cached = cache.get(cacheKey);\n\n if (!cached) {\n var resolver = _createResolver(scopes, prefixes);\n\n cached = {\n resolver: resolver,\n subPrefixes: prefixes.filter(function (p) {\n return !p.toLowerCase().includes('hover');\n })\n };\n cache.set(cacheKey, cached);\n }\n\n return cached;\n}\n\nvar hasFunction = function hasFunction(value) {\n return isObject(value) && Object.getOwnPropertyNames(value).reduce(function (acc, key) {\n return acc || isFunction(value[key]);\n }, false);\n};\n\nfunction needContext(proxy, names) {\n var _descriptors2 = _descriptors(proxy),\n isScriptable = _descriptors2.isScriptable,\n isIndexable = _descriptors2.isIndexable;\n\n var _iterator14 = _createForOfIteratorHelper(names),\n _step14;\n\n try {\n for (_iterator14.s(); !(_step14 = _iterator14.n()).done;) {\n var prop = _step14.value;\n var scriptable = isScriptable(prop);\n var indexable = isIndexable(prop);\n var value = (indexable || scriptable) && proxy[prop];\n\n if (scriptable && (isFunction(value) || hasFunction(value)) || indexable && isArray(value)) {\n return true;\n }\n }\n } catch (err) {\n _iterator14.e(err);\n } finally {\n _iterator14.f();\n }\n\n return false;\n}\n\nvar version = \"3.9.1\";\nvar KNOWN_POSITIONS = ['top', 'bottom', 'left', 'right', 'chartArea'];\n\nfunction positionIsHorizontal(position, axis) {\n return position === 'top' || position === 'bottom' || KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x';\n}\n\nfunction compare2Level(l1, l2) {\n return function (a, b) {\n return a[l1] === b[l1] ? a[l2] - b[l2] : a[l1] - b[l1];\n };\n}\n\nfunction onAnimationsComplete(context) {\n var chart = context.chart;\n var animationOptions = chart.options.animation;\n chart.notifyPlugins('afterRender');\n callback(animationOptions && animationOptions.onComplete, [context], chart);\n}\n\nfunction onAnimationProgress(context) {\n var chart = context.chart;\n var animationOptions = chart.options.animation;\n callback(animationOptions && animationOptions.onProgress, [context], chart);\n}\n\nfunction getCanvas(item) {\n if (_isDomSupported() && typeof item === 'string') {\n item = document.getElementById(item);\n } else if (item && item.length) {\n item = item[0];\n }\n\n if (item && item.canvas) {\n item = item.canvas;\n }\n\n return item;\n}\n\nvar instances = {};\n\nvar getChart = function getChart(key) {\n var canvas = getCanvas(key);\n return Object.values(instances).filter(function (c) {\n return c.canvas === canvas;\n }).pop();\n};\n\nfunction moveNumericKeys(obj, start, move) {\n var keys = Object.keys(obj);\n\n for (var _i3 = 0, _keys = keys; _i3 < _keys.length; _i3++) {\n var key = _keys[_i3];\n var intKey = +key;\n\n if (intKey >= start) {\n var value = obj[key];\n delete obj[key];\n\n if (move > 0 || intKey > start) {\n obj[intKey + move] = value;\n }\n }\n }\n}\n\nfunction determineLastEvent(e, lastEvent, inChartArea, isClick) {\n if (!inChartArea || e.type === 'mouseout') {\n return null;\n }\n\n if (isClick) {\n return lastEvent;\n }\n\n return e;\n}\n\nvar Chart = /*#__PURE__*/function () {\n function Chart(item, userConfig) {\n var _this12 = this;\n\n _classCallCheck(this, Chart);\n\n var config = this.config = new Config(userConfig);\n var initialCanvas = getCanvas(item);\n var existingChart = getChart(initialCanvas);\n\n if (existingChart) {\n throw new Error('Canvas is already in use. Chart with ID \\'' + existingChart.id + '\\'' + ' must be destroyed before the canvas with ID \\'' + existingChart.canvas.id + '\\' can be reused.');\n }\n\n var options = config.createResolver(config.chartOptionScopes(), this.getContext());\n this.platform = new (config.platform || _detectPlatform(initialCanvas))();\n this.platform.updateConfig(config);\n var context = this.platform.acquireContext(initialCanvas, options.aspectRatio);\n var canvas = context && context.canvas;\n var height = canvas && canvas.height;\n var width = canvas && canvas.width;\n this.id = uid();\n this.ctx = context;\n this.canvas = canvas;\n this.width = width;\n this.height = height;\n this._options = options;\n this._aspectRatio = this.aspectRatio;\n this._layers = [];\n this._metasets = [];\n this._stacks = undefined;\n this.boxes = [];\n this.currentDevicePixelRatio = undefined;\n this.chartArea = undefined;\n this._active = [];\n this._lastEvent = undefined;\n this._listeners = {};\n this._responsiveListeners = undefined;\n this._sortedMetasets = [];\n this.scales = {};\n this._plugins = new PluginService();\n this.$proxies = {};\n this._hiddenIndices = {};\n this.attached = false;\n this._animationsDisabled = undefined;\n this.$context = undefined;\n this._doResize = debounce(function (mode) {\n return _this12.update(mode);\n }, options.resizeDelay || 0);\n this._dataChanges = [];\n instances[this.id] = this;\n\n if (!context || !canvas) {\n console.error(\"Failed to create chart: can't acquire context from the given item\");\n return;\n }\n\n animator.listen(this, 'complete', onAnimationsComplete);\n animator.listen(this, 'progress', onAnimationProgress);\n\n this._initialize();\n\n if (this.attached) {\n this.update();\n }\n }\n\n _createClass(Chart, [{\n key: \"aspectRatio\",\n get: function get() {\n var _this$options11 = this.options,\n aspectRatio = _this$options11.aspectRatio,\n maintainAspectRatio = _this$options11.maintainAspectRatio,\n width = this.width,\n height = this.height,\n _aspectRatio = this._aspectRatio;\n\n if (!isNullOrUndef(aspectRatio)) {\n return aspectRatio;\n }\n\n if (maintainAspectRatio && _aspectRatio) {\n return _aspectRatio;\n }\n\n return height ? width / height : null;\n }\n }, {\n key: \"data\",\n get: function get() {\n return this.config.data;\n },\n set: function set(data) {\n this.config.data = data;\n }\n }, {\n key: \"options\",\n get: function get() {\n return this._options;\n },\n set: function set(options) {\n this.config.options = options;\n }\n }, {\n key: \"_initialize\",\n value: function _initialize() {\n this.notifyPlugins('beforeInit');\n\n if (this.options.responsive) {\n this.resize();\n } else {\n retinaScale(this, this.options.devicePixelRatio);\n }\n\n this.bindEvents();\n this.notifyPlugins('afterInit');\n return this;\n }\n }, {\n key: \"clear\",\n value: function clear() {\n clearCanvas(this.canvas, this.ctx);\n return this;\n }\n }, {\n key: \"stop\",\n value: function stop() {\n animator.stop(this);\n return this;\n }\n }, {\n key: \"resize\",\n value: function resize(width, height) {\n if (!animator.running(this)) {\n this._resize(width, height);\n } else {\n this._resizeBeforeDraw = {\n width: width,\n height: height\n };\n }\n }\n }, {\n key: \"_resize\",\n value: function _resize(width, height) {\n var options = this.options;\n var canvas = this.canvas;\n var aspectRatio = options.maintainAspectRatio && this.aspectRatio;\n var newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio);\n var newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio();\n var mode = this.width ? 'resize' : 'attach';\n this.width = newSize.width;\n this.height = newSize.height;\n this._aspectRatio = this.aspectRatio;\n\n if (!retinaScale(this, newRatio, true)) {\n return;\n }\n\n this.notifyPlugins('resize', {\n size: newSize\n });\n callback(options.onResize, [this, newSize], this);\n\n if (this.attached) {\n if (this._doResize(mode)) {\n this.render();\n }\n }\n }\n }, {\n key: \"ensureScalesHaveIDs\",\n value: function ensureScalesHaveIDs() {\n var options = this.options;\n var scalesOptions = options.scales || {};\n each(scalesOptions, function (axisOptions, axisID) {\n axisOptions.id = axisID;\n });\n }\n }, {\n key: \"buildOrUpdateScales\",\n value: function buildOrUpdateScales() {\n var _this13 = this;\n\n var options = this.options;\n var scaleOpts = options.scales;\n var scales = this.scales;\n var updated = Object.keys(scales).reduce(function (obj, id) {\n obj[id] = false;\n return obj;\n }, {});\n var items = [];\n\n if (scaleOpts) {\n items = items.concat(Object.keys(scaleOpts).map(function (id) {\n var scaleOptions = scaleOpts[id];\n var axis = determineAxis(id, scaleOptions);\n var isRadial = axis === 'r';\n var isHorizontal = axis === 'x';\n return {\n options: scaleOptions,\n dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left',\n dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear'\n };\n }));\n }\n\n each(items, function (item) {\n var scaleOptions = item.options;\n var id = scaleOptions.id;\n var axis = determineAxis(id, scaleOptions);\n var scaleType = valueOrDefault(scaleOptions.type, item.dtype);\n\n if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) {\n scaleOptions.position = item.dposition;\n }\n\n updated[id] = true;\n var scale = null;\n\n if (id in scales && scales[id].type === scaleType) {\n scale = scales[id];\n } else {\n var scaleClass = registry.getScale(scaleType);\n scale = new scaleClass({\n id: id,\n type: scaleType,\n ctx: _this13.ctx,\n chart: _this13\n });\n scales[scale.id] = scale;\n }\n\n scale.init(scaleOptions, options);\n });\n each(updated, function (hasUpdated, id) {\n if (!hasUpdated) {\n delete scales[id];\n }\n });\n each(scales, function (scale) {\n layouts.configure(_this13, scale, scale.options);\n layouts.addBox(_this13, scale);\n });\n }\n }, {\n key: \"_updateMetasets\",\n value: function _updateMetasets() {\n var metasets = this._metasets;\n var numData = this.data.datasets.length;\n var numMeta = metasets.length;\n metasets.sort(function (a, b) {\n return a.index - b.index;\n });\n\n if (numMeta > numData) {\n for (var i = numData; i < numMeta; ++i) {\n this._destroyDatasetMeta(i);\n }\n\n metasets.splice(numData, numMeta - numData);\n }\n\n this._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index'));\n }\n }, {\n key: \"_removeUnreferencedMetasets\",\n value: function _removeUnreferencedMetasets() {\n var _this14 = this;\n\n var metasets = this._metasets,\n datasets = this.data.datasets;\n\n if (metasets.length > datasets.length) {\n delete this._stacks;\n }\n\n metasets.forEach(function (meta, index) {\n if (datasets.filter(function (x) {\n return x === meta._dataset;\n }).length === 0) {\n _this14._destroyDatasetMeta(index);\n }\n });\n }\n }, {\n key: \"buildOrUpdateControllers\",\n value: function buildOrUpdateControllers() {\n var newControllers = [];\n var datasets = this.data.datasets;\n var i, ilen;\n\n this._removeUnreferencedMetasets();\n\n for (i = 0, ilen = datasets.length; i < ilen; i++) {\n var dataset = datasets[i];\n var meta = this.getDatasetMeta(i);\n var type = dataset.type || this.config.type;\n\n if (meta.type && meta.type !== type) {\n this._destroyDatasetMeta(i);\n\n meta = this.getDatasetMeta(i);\n }\n\n meta.type = type;\n meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options);\n meta.order = dataset.order || 0;\n meta.index = i;\n meta.label = '' + dataset.label;\n meta.visible = this.isDatasetVisible(i);\n\n if (meta.controller) {\n meta.controller.updateIndex(i);\n meta.controller.linkScales();\n } else {\n var ControllerClass = registry.getController(type);\n var _defaults$datasets$ty = defaults.datasets[type],\n datasetElementType = _defaults$datasets$ty.datasetElementType,\n dataElementType = _defaults$datasets$ty.dataElementType;\n Object.assign(ControllerClass.prototype, {\n dataElementType: registry.getElement(dataElementType),\n datasetElementType: datasetElementType && registry.getElement(datasetElementType)\n });\n meta.controller = new ControllerClass(this, i);\n newControllers.push(meta.controller);\n }\n }\n\n this._updateMetasets();\n\n return newControllers;\n }\n }, {\n key: \"_resetElements\",\n value: function _resetElements() {\n var _this15 = this;\n\n each(this.data.datasets, function (dataset, datasetIndex) {\n _this15.getDatasetMeta(datasetIndex).controller.reset();\n }, this);\n }\n }, {\n key: \"reset\",\n value: function reset() {\n this._resetElements();\n\n this.notifyPlugins('reset');\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var config = this.config;\n config.update();\n var options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext());\n var animsDisabled = this._animationsDisabled = !options.animation;\n\n this._updateScales();\n\n this._checkEventBindings();\n\n this._updateHiddenIndices();\n\n this._plugins.invalidate();\n\n if (this.notifyPlugins('beforeUpdate', {\n mode: mode,\n cancelable: true\n }) === false) {\n return;\n }\n\n var newControllers = this.buildOrUpdateControllers();\n this.notifyPlugins('beforeElementsUpdate');\n var minPadding = 0;\n\n for (var i = 0, ilen = this.data.datasets.length; i < ilen; i++) {\n var _this$getDatasetMeta = this.getDatasetMeta(i),\n controller = _this$getDatasetMeta.controller;\n\n var reset = !animsDisabled && newControllers.indexOf(controller) === -1;\n controller.buildOrUpdateElements(reset);\n minPadding = Math.max(+controller.getMaxOverflow(), minPadding);\n }\n\n minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0;\n\n this._updateLayout(minPadding);\n\n if (!animsDisabled) {\n each(newControllers, function (controller) {\n controller.reset();\n });\n }\n\n this._updateDatasets(mode);\n\n this.notifyPlugins('afterUpdate', {\n mode: mode\n });\n\n this._layers.sort(compare2Level('z', '_idx'));\n\n var _active = this._active,\n _lastEvent = this._lastEvent;\n\n if (_lastEvent) {\n this._eventHandler(_lastEvent, true);\n } else if (_active.length) {\n this._updateHoverStyles(_active, _active, true);\n }\n\n this.render();\n }\n }, {\n key: \"_updateScales\",\n value: function _updateScales() {\n var _this16 = this;\n\n each(this.scales, function (scale) {\n layouts.removeBox(_this16, scale);\n });\n this.ensureScalesHaveIDs();\n this.buildOrUpdateScales();\n }\n }, {\n key: \"_checkEventBindings\",\n value: function _checkEventBindings() {\n var options = this.options;\n var existingEvents = new Set(Object.keys(this._listeners));\n var newEvents = new Set(options.events);\n\n if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) {\n this.unbindEvents();\n this.bindEvents();\n }\n }\n }, {\n key: \"_updateHiddenIndices\",\n value: function _updateHiddenIndices() {\n var _hiddenIndices = this._hiddenIndices;\n var changes = this._getUniformDataChanges() || [];\n\n var _iterator15 = _createForOfIteratorHelper(changes),\n _step15;\n\n try {\n for (_iterator15.s(); !(_step15 = _iterator15.n()).done;) {\n var _ref8 = _step15.value;\n var method = _ref8.method;\n var start = _ref8.start;\n var count = _ref8.count;\n var move = method === '_removeElements' ? -count : count;\n moveNumericKeys(_hiddenIndices, start, move);\n }\n } catch (err) {\n _iterator15.e(err);\n } finally {\n _iterator15.f();\n }\n }\n }, {\n key: \"_getUniformDataChanges\",\n value: function _getUniformDataChanges() {\n var _dataChanges = this._dataChanges;\n\n if (!_dataChanges || !_dataChanges.length) {\n return;\n }\n\n this._dataChanges = [];\n var datasetCount = this.data.datasets.length;\n\n var makeSet = function makeSet(idx) {\n return new Set(_dataChanges.filter(function (c) {\n return c[0] === idx;\n }).map(function (c, i) {\n return i + ',' + c.splice(1).join(',');\n }));\n };\n\n var changeSet = makeSet(0);\n\n for (var i = 1; i < datasetCount; i++) {\n if (!setsEqual(changeSet, makeSet(i))) {\n return;\n }\n }\n\n return Array.from(changeSet).map(function (c) {\n return c.split(',');\n }).map(function (a) {\n return {\n method: a[1],\n start: +a[2],\n count: +a[3]\n };\n });\n }\n }, {\n key: \"_updateLayout\",\n value: function _updateLayout(minPadding) {\n var _this17 = this;\n\n if (this.notifyPlugins('beforeLayout', {\n cancelable: true\n }) === false) {\n return;\n }\n\n layouts.update(this, this.width, this.height, minPadding);\n var area = this.chartArea;\n var noArea = area.width <= 0 || area.height <= 0;\n this._layers = [];\n each(this.boxes, function (box) {\n var _this17$_layers;\n\n if (noArea && box.position === 'chartArea') {\n return;\n }\n\n if (box.configure) {\n box.configure();\n }\n\n (_this17$_layers = _this17._layers).push.apply(_this17$_layers, _toConsumableArray(box._layers()));\n }, this);\n\n this._layers.forEach(function (item, index) {\n item._idx = index;\n });\n\n this.notifyPlugins('afterLayout');\n }\n }, {\n key: \"_updateDatasets\",\n value: function _updateDatasets(mode) {\n if (this.notifyPlugins('beforeDatasetsUpdate', {\n mode: mode,\n cancelable: true\n }) === false) {\n return;\n }\n\n for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n this.getDatasetMeta(i).controller.configure();\n }\n\n for (var _i4 = 0, _ilen = this.data.datasets.length; _i4 < _ilen; ++_i4) {\n this._updateDataset(_i4, isFunction(mode) ? mode({\n datasetIndex: _i4\n }) : mode);\n }\n\n this.notifyPlugins('afterDatasetsUpdate', {\n mode: mode\n });\n }\n }, {\n key: \"_updateDataset\",\n value: function _updateDataset(index, mode) {\n var meta = this.getDatasetMeta(index);\n var args = {\n meta: meta,\n index: index,\n mode: mode,\n cancelable: true\n };\n\n if (this.notifyPlugins('beforeDatasetUpdate', args) === false) {\n return;\n }\n\n meta.controller._update(mode);\n\n args.cancelable = false;\n this.notifyPlugins('afterDatasetUpdate', args);\n }\n }, {\n key: \"render\",\n value: function render() {\n if (this.notifyPlugins('beforeRender', {\n cancelable: true\n }) === false) {\n return;\n }\n\n if (animator.has(this)) {\n if (this.attached && !animator.running(this)) {\n animator.start(this);\n }\n } else {\n this.draw();\n onAnimationsComplete({\n chart: this\n });\n }\n }\n }, {\n key: \"draw\",\n value: function draw() {\n var i;\n\n if (this._resizeBeforeDraw) {\n var _this$_resizeBeforeDr = this._resizeBeforeDraw,\n width = _this$_resizeBeforeDr.width,\n height = _this$_resizeBeforeDr.height;\n\n this._resize(width, height);\n\n this._resizeBeforeDraw = null;\n }\n\n this.clear();\n\n if (this.width <= 0 || this.height <= 0) {\n return;\n }\n\n if (this.notifyPlugins('beforeDraw', {\n cancelable: true\n }) === false) {\n return;\n }\n\n var layers = this._layers;\n\n for (i = 0; i < layers.length && layers[i].z <= 0; ++i) {\n layers[i].draw(this.chartArea);\n }\n\n this._drawDatasets();\n\n for (; i < layers.length; ++i) {\n layers[i].draw(this.chartArea);\n }\n\n this.notifyPlugins('afterDraw');\n }\n }, {\n key: \"_getSortedDatasetMetas\",\n value: function _getSortedDatasetMetas(filterVisible) {\n var metasets = this._sortedMetasets;\n var result = [];\n var i, ilen;\n\n for (i = 0, ilen = metasets.length; i < ilen; ++i) {\n var meta = metasets[i];\n\n if (!filterVisible || meta.visible) {\n result.push(meta);\n }\n }\n\n return result;\n }\n }, {\n key: \"getSortedVisibleDatasetMetas\",\n value: function getSortedVisibleDatasetMetas() {\n return this._getSortedDatasetMetas(true);\n }\n }, {\n key: \"_drawDatasets\",\n value: function _drawDatasets() {\n if (this.notifyPlugins('beforeDatasetsDraw', {\n cancelable: true\n }) === false) {\n return;\n }\n\n var metasets = this.getSortedVisibleDatasetMetas();\n\n for (var i = metasets.length - 1; i >= 0; --i) {\n this._drawDataset(metasets[i]);\n }\n\n this.notifyPlugins('afterDatasetsDraw');\n }\n }, {\n key: \"_drawDataset\",\n value: function _drawDataset(meta) {\n var ctx = this.ctx;\n var clip = meta._clip;\n var useClip = !clip.disabled;\n var area = this.chartArea;\n var args = {\n meta: meta,\n index: meta.index,\n cancelable: true\n };\n\n if (this.notifyPlugins('beforeDatasetDraw', args) === false) {\n return;\n }\n\n if (useClip) {\n clipArea(ctx, {\n left: clip.left === false ? 0 : area.left - clip.left,\n right: clip.right === false ? this.width : area.right + clip.right,\n top: clip.top === false ? 0 : area.top - clip.top,\n bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom\n });\n }\n\n meta.controller.draw();\n\n if (useClip) {\n unclipArea(ctx);\n }\n\n args.cancelable = false;\n this.notifyPlugins('afterDatasetDraw', args);\n }\n }, {\n key: \"isPointInArea\",\n value: function isPointInArea(point) {\n return _isPointInArea(point, this.chartArea, this._minPadding);\n }\n }, {\n key: \"getElementsAtEventForMode\",\n value: function getElementsAtEventForMode(e, mode, options, useFinalPosition) {\n var method = Interaction.modes[mode];\n\n if (typeof method === 'function') {\n return method(this, e, options, useFinalPosition);\n }\n\n return [];\n }\n }, {\n key: \"getDatasetMeta\",\n value: function getDatasetMeta(datasetIndex) {\n var dataset = this.data.datasets[datasetIndex];\n var metasets = this._metasets;\n var meta = metasets.filter(function (x) {\n return x && x._dataset === dataset;\n }).pop();\n\n if (!meta) {\n meta = {\n type: null,\n data: [],\n dataset: null,\n controller: null,\n hidden: null,\n xAxisID: null,\n yAxisID: null,\n order: dataset && dataset.order || 0,\n index: datasetIndex,\n _dataset: dataset,\n _parsed: [],\n _sorted: false\n };\n metasets.push(meta);\n }\n\n return meta;\n }\n }, {\n key: \"getContext\",\n value: function getContext() {\n return this.$context || (this.$context = createContext(null, {\n chart: this,\n type: 'chart'\n }));\n }\n }, {\n key: \"getVisibleDatasetCount\",\n value: function getVisibleDatasetCount() {\n return this.getSortedVisibleDatasetMetas().length;\n }\n }, {\n key: \"isDatasetVisible\",\n value: function isDatasetVisible(datasetIndex) {\n var dataset = this.data.datasets[datasetIndex];\n\n if (!dataset) {\n return false;\n }\n\n var meta = this.getDatasetMeta(datasetIndex);\n return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden;\n }\n }, {\n key: \"setDatasetVisibility\",\n value: function setDatasetVisibility(datasetIndex, visible) {\n var meta = this.getDatasetMeta(datasetIndex);\n meta.hidden = !visible;\n }\n }, {\n key: \"toggleDataVisibility\",\n value: function toggleDataVisibility(index) {\n this._hiddenIndices[index] = !this._hiddenIndices[index];\n }\n }, {\n key: \"getDataVisibility\",\n value: function getDataVisibility(index) {\n return !this._hiddenIndices[index];\n }\n }, {\n key: \"_updateVisibility\",\n value: function _updateVisibility(datasetIndex, dataIndex, visible) {\n var mode = visible ? 'show' : 'hide';\n var meta = this.getDatasetMeta(datasetIndex);\n\n var anims = meta.controller._resolveAnimations(undefined, mode);\n\n if (defined(dataIndex)) {\n meta.data[dataIndex].hidden = !visible;\n this.update();\n } else {\n this.setDatasetVisibility(datasetIndex, visible);\n anims.update(meta, {\n visible: visible\n });\n this.update(function (ctx) {\n return ctx.datasetIndex === datasetIndex ? mode : undefined;\n });\n }\n }\n }, {\n key: \"hide\",\n value: function hide(datasetIndex, dataIndex) {\n this._updateVisibility(datasetIndex, dataIndex, false);\n }\n }, {\n key: \"show\",\n value: function show(datasetIndex, dataIndex) {\n this._updateVisibility(datasetIndex, dataIndex, true);\n }\n }, {\n key: \"_destroyDatasetMeta\",\n value: function _destroyDatasetMeta(datasetIndex) {\n var meta = this._metasets[datasetIndex];\n\n if (meta && meta.controller) {\n meta.controller._destroy();\n }\n\n delete this._metasets[datasetIndex];\n }\n }, {\n key: \"_stop\",\n value: function _stop() {\n var i, ilen;\n this.stop();\n animator.remove(this);\n\n for (i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n this._destroyDatasetMeta(i);\n }\n }\n }, {\n key: \"destroy\",\n value: function destroy() {\n this.notifyPlugins('beforeDestroy');\n var canvas = this.canvas,\n ctx = this.ctx;\n\n this._stop();\n\n this.config.clearCache();\n\n if (canvas) {\n this.unbindEvents();\n clearCanvas(canvas, ctx);\n this.platform.releaseContext(ctx);\n this.canvas = null;\n this.ctx = null;\n }\n\n this.notifyPlugins('destroy');\n delete instances[this.id];\n this.notifyPlugins('afterDestroy');\n }\n }, {\n key: \"toBase64Image\",\n value: function toBase64Image() {\n var _this$canvas;\n\n return (_this$canvas = this.canvas).toDataURL.apply(_this$canvas, arguments);\n }\n }, {\n key: \"bindEvents\",\n value: function bindEvents() {\n this.bindUserEvents();\n\n if (this.options.responsive) {\n this.bindResponsiveEvents();\n } else {\n this.attached = true;\n }\n }\n }, {\n key: \"bindUserEvents\",\n value: function bindUserEvents() {\n var _this18 = this;\n\n var listeners = this._listeners;\n var platform = this.platform;\n\n var _add = function _add(type, listener) {\n platform.addEventListener(_this18, type, listener);\n listeners[type] = listener;\n };\n\n var listener = function listener(e, x, y) {\n e.offsetX = x;\n e.offsetY = y;\n\n _this18._eventHandler(e);\n };\n\n each(this.options.events, function (type) {\n return _add(type, listener);\n });\n }\n }, {\n key: \"bindResponsiveEvents\",\n value: function bindResponsiveEvents() {\n var _this19 = this;\n\n if (!this._responsiveListeners) {\n this._responsiveListeners = {};\n }\n\n var listeners = this._responsiveListeners;\n var platform = this.platform;\n\n var _add = function _add(type, listener) {\n platform.addEventListener(_this19, type, listener);\n listeners[type] = listener;\n };\n\n var _remove = function _remove(type, listener) {\n if (listeners[type]) {\n platform.removeEventListener(_this19, type, listener);\n delete listeners[type];\n }\n };\n\n var listener = function listener(width, height) {\n if (_this19.canvas) {\n _this19.resize(width, height);\n }\n };\n\n var detached;\n\n var attached = function attached() {\n _remove('attach', attached);\n\n _this19.attached = true;\n\n _this19.resize();\n\n _add('resize', listener);\n\n _add('detach', detached);\n };\n\n detached = function detached() {\n _this19.attached = false;\n\n _remove('resize', listener);\n\n _this19._stop();\n\n _this19._resize(0, 0);\n\n _add('attach', attached);\n };\n\n if (platform.isAttached(this.canvas)) {\n attached();\n } else {\n detached();\n }\n }\n }, {\n key: \"unbindEvents\",\n value: function unbindEvents() {\n var _this20 = this;\n\n each(this._listeners, function (listener, type) {\n _this20.platform.removeEventListener(_this20, type, listener);\n });\n this._listeners = {};\n each(this._responsiveListeners, function (listener, type) {\n _this20.platform.removeEventListener(_this20, type, listener);\n });\n this._responsiveListeners = undefined;\n }\n }, {\n key: \"updateHoverStyle\",\n value: function updateHoverStyle(items, mode, enabled) {\n var prefix = enabled ? 'set' : 'remove';\n var meta, item, i, ilen;\n\n if (mode === 'dataset') {\n meta = this.getDatasetMeta(items[0].datasetIndex);\n meta.controller['_' + prefix + 'DatasetHoverStyle']();\n }\n\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n item = items[i];\n var controller = item && this.getDatasetMeta(item.datasetIndex).controller;\n\n if (controller) {\n controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index);\n }\n }\n }\n }, {\n key: \"getActiveElements\",\n value: function getActiveElements() {\n return this._active || [];\n }\n }, {\n key: \"setActiveElements\",\n value: function setActiveElements(activeElements) {\n var _this21 = this;\n\n var lastActive = this._active || [];\n var active = activeElements.map(function (_ref9) {\n var datasetIndex = _ref9.datasetIndex,\n index = _ref9.index;\n\n var meta = _this21.getDatasetMeta(datasetIndex);\n\n if (!meta) {\n throw new Error('No dataset found at index ' + datasetIndex);\n }\n\n return {\n datasetIndex: datasetIndex,\n element: meta.data[index],\n index: index\n };\n });\n var changed = !_elementsEqual(active, lastActive);\n\n if (changed) {\n this._active = active;\n this._lastEvent = null;\n\n this._updateHoverStyles(active, lastActive);\n }\n }\n }, {\n key: \"notifyPlugins\",\n value: function notifyPlugins(hook, args, filter) {\n return this._plugins.notify(this, hook, args, filter);\n }\n }, {\n key: \"_updateHoverStyles\",\n value: function _updateHoverStyles(active, lastActive, replay) {\n var hoverOptions = this.options.hover;\n\n var diff = function diff(a, b) {\n return a.filter(function (x) {\n return !b.some(function (y) {\n return x.datasetIndex === y.datasetIndex && x.index === y.index;\n });\n });\n };\n\n var deactivated = diff(lastActive, active);\n var activated = replay ? active : diff(active, lastActive);\n\n if (deactivated.length) {\n this.updateHoverStyle(deactivated, hoverOptions.mode, false);\n }\n\n if (activated.length && hoverOptions.mode) {\n this.updateHoverStyle(activated, hoverOptions.mode, true);\n }\n }\n }, {\n key: \"_eventHandler\",\n value: function _eventHandler(e, replay) {\n var _this22 = this;\n\n var args = {\n event: e,\n replay: replay,\n cancelable: true,\n inChartArea: this.isPointInArea(e)\n };\n\n var eventFilter = function eventFilter(plugin) {\n return (plugin.options.events || _this22.options.events).includes(e[\"native\"].type);\n };\n\n if (this.notifyPlugins('beforeEvent', args, eventFilter) === false) {\n return;\n }\n\n var changed = this._handleEvent(e, replay, args.inChartArea);\n\n args.cancelable = false;\n this.notifyPlugins('afterEvent', args, eventFilter);\n\n if (changed || args.changed) {\n this.render();\n }\n\n return this;\n }\n }, {\n key: \"_handleEvent\",\n value: function _handleEvent(e, replay, inChartArea) {\n var _this$_active = this._active,\n lastActive = _this$_active === void 0 ? [] : _this$_active,\n options = this.options;\n var useFinalPosition = replay;\n\n var active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition);\n\n var isClick = _isClickEvent(e);\n\n var lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick);\n\n if (inChartArea) {\n this._lastEvent = null;\n callback(options.onHover, [e, active, this], this);\n\n if (isClick) {\n callback(options.onClick, [e, active, this], this);\n }\n }\n\n var changed = !_elementsEqual(active, lastActive);\n\n if (changed || replay) {\n this._active = active;\n\n this._updateHoverStyles(active, lastActive, replay);\n }\n\n this._lastEvent = lastEvent;\n return changed;\n }\n }, {\n key: \"_getActiveElements\",\n value: function _getActiveElements(e, lastActive, inChartArea, useFinalPosition) {\n if (e.type === 'mouseout') {\n return [];\n }\n\n if (!inChartArea) {\n return lastActive;\n }\n\n var hoverOptions = this.options.hover;\n return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition);\n }\n }]);\n\n return Chart;\n}();\n\nvar invalidatePlugins = function invalidatePlugins() {\n return each(Chart.instances, function (chart) {\n return chart._plugins.invalidate();\n });\n};\n\nvar enumerable = true;\nObject.defineProperties(Chart, {\n defaults: {\n enumerable: enumerable,\n value: defaults\n },\n instances: {\n enumerable: enumerable,\n value: instances\n },\n overrides: {\n enumerable: enumerable,\n value: overrides\n },\n registry: {\n enumerable: enumerable,\n value: registry\n },\n version: {\n enumerable: enumerable,\n value: version\n },\n getChart: {\n enumerable: enumerable,\n value: getChart\n },\n register: {\n enumerable: enumerable,\n value: function value() {\n registry.add.apply(registry, arguments);\n invalidatePlugins();\n }\n },\n unregister: {\n enumerable: enumerable,\n value: function value() {\n registry.remove.apply(registry, arguments);\n invalidatePlugins();\n }\n }\n});\n\nfunction clipArc(ctx, element, endAngle) {\n var startAngle = element.startAngle,\n pixelMargin = element.pixelMargin,\n x = element.x,\n y = element.y,\n outerRadius = element.outerRadius,\n innerRadius = element.innerRadius;\n var angleMargin = pixelMargin / outerRadius;\n ctx.beginPath();\n ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin);\n\n if (innerRadius > pixelMargin) {\n angleMargin = pixelMargin / innerRadius;\n ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true);\n } else {\n ctx.arc(x, y, pixelMargin, endAngle + HALF_PI, startAngle - HALF_PI);\n }\n\n ctx.closePath();\n ctx.clip();\n}\n\nfunction toRadiusCorners(value) {\n return _readValueToProps(value, ['outerStart', 'outerEnd', 'innerStart', 'innerEnd']);\n}\n\nfunction parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) {\n var o = toRadiusCorners(arc.options.borderRadius);\n var halfThickness = (outerRadius - innerRadius) / 2;\n var innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2);\n\n var computeOuterLimit = function computeOuterLimit(val) {\n var outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2;\n return _limitValue(val, 0, Math.min(halfThickness, outerArcLimit));\n };\n\n return {\n outerStart: computeOuterLimit(o.outerStart),\n outerEnd: computeOuterLimit(o.outerEnd),\n innerStart: _limitValue(o.innerStart, 0, innerLimit),\n innerEnd: _limitValue(o.innerEnd, 0, innerLimit)\n };\n}\n\nfunction rThetaToXY(r, theta, x, y) {\n return {\n x: x + r * Math.cos(theta),\n y: y + r * Math.sin(theta)\n };\n}\n\nfunction pathArc(ctx, element, offset, spacing, end, circular) {\n var x = element.x,\n y = element.y,\n start = element.startAngle,\n pixelMargin = element.pixelMargin,\n innerR = element.innerRadius;\n var outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0);\n var innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0;\n var spacingOffset = 0;\n var alpha = end - start;\n\n if (spacing) {\n var noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0;\n var noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0;\n var avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2;\n var adjustedAngle = avNogSpacingRadius !== 0 ? alpha * avNogSpacingRadius / (avNogSpacingRadius + spacing) : alpha;\n spacingOffset = (alpha - adjustedAngle) / 2;\n }\n\n var beta = Math.max(0.001, alpha * outerRadius - offset / PI) / outerRadius;\n var angleOffset = (alpha - beta) / 2;\n var startAngle = start + angleOffset + spacingOffset;\n var endAngle = end - angleOffset - spacingOffset;\n\n var _parseBorderRadius$ = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle),\n outerStart = _parseBorderRadius$.outerStart,\n outerEnd = _parseBorderRadius$.outerEnd,\n innerStart = _parseBorderRadius$.innerStart,\n innerEnd = _parseBorderRadius$.innerEnd;\n\n var outerStartAdjustedRadius = outerRadius - outerStart;\n var outerEndAdjustedRadius = outerRadius - outerEnd;\n var outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius;\n var outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius;\n var innerStartAdjustedRadius = innerRadius + innerStart;\n var innerEndAdjustedRadius = innerRadius + innerEnd;\n var innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius;\n var innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius;\n ctx.beginPath();\n\n if (circular) {\n ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerEndAdjustedAngle);\n\n if (outerEnd > 0) {\n var pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y);\n ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI);\n }\n\n var p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y);\n ctx.lineTo(p4.x, p4.y);\n\n if (innerEnd > 0) {\n var _pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y);\n\n ctx.arc(_pCenter.x, _pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI);\n }\n\n ctx.arc(x, y, innerRadius, endAngle - innerEnd / innerRadius, startAngle + innerStart / innerRadius, true);\n\n if (innerStart > 0) {\n var _pCenter2 = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y);\n\n ctx.arc(_pCenter2.x, _pCenter2.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI);\n }\n\n var p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y);\n ctx.lineTo(p8.x, p8.y);\n\n if (outerStart > 0) {\n var _pCenter3 = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y);\n\n ctx.arc(_pCenter3.x, _pCenter3.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle);\n }\n } else {\n ctx.moveTo(x, y);\n var outerStartX = Math.cos(outerStartAdjustedAngle) * outerRadius + x;\n var outerStartY = Math.sin(outerStartAdjustedAngle) * outerRadius + y;\n ctx.lineTo(outerStartX, outerStartY);\n var outerEndX = Math.cos(outerEndAdjustedAngle) * outerRadius + x;\n var outerEndY = Math.sin(outerEndAdjustedAngle) * outerRadius + y;\n ctx.lineTo(outerEndX, outerEndY);\n }\n\n ctx.closePath();\n}\n\nfunction drawArc(ctx, element, offset, spacing, circular) {\n var fullCircles = element.fullCircles,\n startAngle = element.startAngle,\n circumference = element.circumference;\n var endAngle = element.endAngle;\n\n if (fullCircles) {\n pathArc(ctx, element, offset, spacing, startAngle + TAU, circular);\n\n for (var i = 0; i < fullCircles; ++i) {\n ctx.fill();\n }\n\n if (!isNaN(circumference)) {\n endAngle = startAngle + circumference % TAU;\n\n if (circumference % TAU === 0) {\n endAngle += TAU;\n }\n }\n }\n\n pathArc(ctx, element, offset, spacing, endAngle, circular);\n ctx.fill();\n return endAngle;\n}\n\nfunction drawFullCircleBorders(ctx, element, inner) {\n var x = element.x,\n y = element.y,\n startAngle = element.startAngle,\n pixelMargin = element.pixelMargin,\n fullCircles = element.fullCircles;\n var outerRadius = Math.max(element.outerRadius - pixelMargin, 0);\n var innerRadius = element.innerRadius + pixelMargin;\n var i;\n\n if (inner) {\n clipArc(ctx, element, startAngle + TAU);\n }\n\n ctx.beginPath();\n ctx.arc(x, y, innerRadius, startAngle + TAU, startAngle, true);\n\n for (i = 0; i < fullCircles; ++i) {\n ctx.stroke();\n }\n\n ctx.beginPath();\n ctx.arc(x, y, outerRadius, startAngle, startAngle + TAU);\n\n for (i = 0; i < fullCircles; ++i) {\n ctx.stroke();\n }\n}\n\nfunction drawBorder(ctx, element, offset, spacing, endAngle, circular) {\n var options = element.options;\n var borderWidth = options.borderWidth,\n borderJoinStyle = options.borderJoinStyle;\n var inner = options.borderAlign === 'inner';\n\n if (!borderWidth) {\n return;\n }\n\n if (inner) {\n ctx.lineWidth = borderWidth * 2;\n ctx.lineJoin = borderJoinStyle || 'round';\n } else {\n ctx.lineWidth = borderWidth;\n ctx.lineJoin = borderJoinStyle || 'bevel';\n }\n\n if (element.fullCircles) {\n drawFullCircleBorders(ctx, element, inner);\n }\n\n if (inner) {\n clipArc(ctx, element, endAngle);\n }\n\n pathArc(ctx, element, offset, spacing, endAngle, circular);\n ctx.stroke();\n}\n\nvar ArcElement = /*#__PURE__*/function (_Element2) {\n _inherits(ArcElement, _Element2);\n\n var _super12 = _createSuper(ArcElement);\n\n function ArcElement(cfg) {\n var _this23;\n\n _classCallCheck(this, ArcElement);\n\n _this23 = _super12.call(this);\n _this23.options = undefined;\n _this23.circumference = undefined;\n _this23.startAngle = undefined;\n _this23.endAngle = undefined;\n _this23.innerRadius = undefined;\n _this23.outerRadius = undefined;\n _this23.pixelMargin = 0;\n _this23.fullCircles = 0;\n\n if (cfg) {\n Object.assign(_assertThisInitialized(_this23), cfg);\n }\n\n return _this23;\n }\n\n _createClass(ArcElement, [{\n key: \"inRange\",\n value: function inRange(chartX, chartY, useFinalPosition) {\n var point = this.getProps(['x', 'y'], useFinalPosition);\n\n var _getAngleFromPoint2 = getAngleFromPoint(point, {\n x: chartX,\n y: chartY\n }),\n angle = _getAngleFromPoint2.angle,\n distance = _getAngleFromPoint2.distance;\n\n var _this$getProps2 = this.getProps(['startAngle', 'endAngle', 'innerRadius', 'outerRadius', 'circumference'], useFinalPosition),\n startAngle = _this$getProps2.startAngle,\n endAngle = _this$getProps2.endAngle,\n innerRadius = _this$getProps2.innerRadius,\n outerRadius = _this$getProps2.outerRadius,\n circumference = _this$getProps2.circumference;\n\n var rAdjust = this.options.spacing / 2;\n\n var _circumference = valueOrDefault(circumference, endAngle - startAngle);\n\n var betweenAngles = _circumference >= TAU || _angleBetween(angle, startAngle, endAngle);\n\n var withinRadius = _isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust);\n\n return betweenAngles && withinRadius;\n }\n }, {\n key: \"getCenterPoint\",\n value: function getCenterPoint(useFinalPosition) {\n var _this$getProps3 = this.getProps(['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius', 'circumference'], useFinalPosition),\n x = _this$getProps3.x,\n y = _this$getProps3.y,\n startAngle = _this$getProps3.startAngle,\n endAngle = _this$getProps3.endAngle,\n innerRadius = _this$getProps3.innerRadius,\n outerRadius = _this$getProps3.outerRadius;\n\n var _this$options12 = this.options,\n offset = _this$options12.offset,\n spacing = _this$options12.spacing;\n var halfAngle = (startAngle + endAngle) / 2;\n var halfRadius = (innerRadius + outerRadius + spacing + offset) / 2;\n return {\n x: x + Math.cos(halfAngle) * halfRadius,\n y: y + Math.sin(halfAngle) * halfRadius\n };\n }\n }, {\n key: \"tooltipPosition\",\n value: function tooltipPosition(useFinalPosition) {\n return this.getCenterPoint(useFinalPosition);\n }\n }, {\n key: \"draw\",\n value: function draw(ctx) {\n var options = this.options,\n circumference = this.circumference;\n var offset = (options.offset || 0) / 2;\n var spacing = (options.spacing || 0) / 2;\n var circular = options.circular;\n this.pixelMargin = options.borderAlign === 'inner' ? 0.33 : 0;\n this.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0;\n\n if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) {\n return;\n }\n\n ctx.save();\n var radiusOffset = 0;\n\n if (offset) {\n radiusOffset = offset / 2;\n var halfAngle = (this.startAngle + this.endAngle) / 2;\n ctx.translate(Math.cos(halfAngle) * radiusOffset, Math.sin(halfAngle) * radiusOffset);\n\n if (this.circumference >= PI) {\n radiusOffset = offset;\n }\n }\n\n ctx.fillStyle = options.backgroundColor;\n ctx.strokeStyle = options.borderColor;\n var endAngle = drawArc(ctx, this, radiusOffset, spacing, circular);\n drawBorder(ctx, this, radiusOffset, spacing, endAngle, circular);\n ctx.restore();\n }\n }]);\n\n return ArcElement;\n}(Element);\n\nArcElement.id = 'arc';\nArcElement.defaults = {\n borderAlign: 'center',\n borderColor: '#fff',\n borderJoinStyle: undefined,\n borderRadius: 0,\n borderWidth: 2,\n offset: 0,\n spacing: 0,\n angle: undefined,\n circular: true\n};\nArcElement.defaultRoutes = {\n backgroundColor: 'backgroundColor'\n};\n\nfunction setStyle(ctx, options) {\n var style = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : options;\n ctx.lineCap = valueOrDefault(style.borderCapStyle, options.borderCapStyle);\n ctx.setLineDash(valueOrDefault(style.borderDash, options.borderDash));\n ctx.lineDashOffset = valueOrDefault(style.borderDashOffset, options.borderDashOffset);\n ctx.lineJoin = valueOrDefault(style.borderJoinStyle, options.borderJoinStyle);\n ctx.lineWidth = valueOrDefault(style.borderWidth, options.borderWidth);\n ctx.strokeStyle = valueOrDefault(style.borderColor, options.borderColor);\n}\n\nfunction lineTo(ctx, previous, target) {\n ctx.lineTo(target.x, target.y);\n}\n\nfunction getLineMethod(options) {\n if (options.stepped) {\n return _steppedLineTo;\n }\n\n if (options.tension || options.cubicInterpolationMode === 'monotone') {\n return _bezierCurveTo;\n }\n\n return lineTo;\n}\n\nfunction pathVars(points, segment) {\n var params = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n var count = points.length;\n var _params$start = params.start,\n paramsStart = _params$start === void 0 ? 0 : _params$start,\n _params$end = params.end,\n paramsEnd = _params$end === void 0 ? count - 1 : _params$end;\n var segmentStart = segment.start,\n segmentEnd = segment.end;\n var start = Math.max(paramsStart, segmentStart);\n var end = Math.min(paramsEnd, segmentEnd);\n var outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd;\n return {\n count: count,\n start: start,\n loop: segment.loop,\n ilen: end < start && !outside ? count + end - start : end - start\n };\n}\n\nfunction pathSegment(ctx, line, segment, params) {\n var points = line.points,\n options = line.options;\n\n var _pathVars = pathVars(points, segment, params),\n count = _pathVars.count,\n start = _pathVars.start,\n loop = _pathVars.loop,\n ilen = _pathVars.ilen;\n\n var lineMethod = getLineMethod(options);\n\n var _ref10 = params || {},\n _ref10$move = _ref10.move,\n move = _ref10$move === void 0 ? true : _ref10$move,\n reverse = _ref10.reverse;\n\n var i, point, prev;\n\n for (i = 0; i <= ilen; ++i) {\n point = points[(start + (reverse ? ilen - i : i)) % count];\n\n if (point.skip) {\n continue;\n } else if (move) {\n ctx.moveTo(point.x, point.y);\n move = false;\n } else {\n lineMethod(ctx, prev, point, reverse, options.stepped);\n }\n\n prev = point;\n }\n\n if (loop) {\n point = points[(start + (reverse ? ilen : 0)) % count];\n lineMethod(ctx, prev, point, reverse, options.stepped);\n }\n\n return !!loop;\n}\n\nfunction fastPathSegment(ctx, line, segment, params) {\n var points = line.points;\n\n var _pathVars2 = pathVars(points, segment, params),\n count = _pathVars2.count,\n start = _pathVars2.start,\n ilen = _pathVars2.ilen;\n\n var _ref11 = params || {},\n _ref11$move = _ref11.move,\n move = _ref11$move === void 0 ? true : _ref11$move,\n reverse = _ref11.reverse;\n\n var avgX = 0;\n var countX = 0;\n var i, point, prevX, minY, maxY, lastY;\n\n var pointIndex = function pointIndex(index) {\n return (start + (reverse ? ilen - index : index)) % count;\n };\n\n var drawX = function drawX() {\n if (minY !== maxY) {\n ctx.lineTo(avgX, maxY);\n ctx.lineTo(avgX, minY);\n ctx.lineTo(avgX, lastY);\n }\n };\n\n if (move) {\n point = points[pointIndex(0)];\n ctx.moveTo(point.x, point.y);\n }\n\n for (i = 0; i <= ilen; ++i) {\n point = points[pointIndex(i)];\n\n if (point.skip) {\n continue;\n }\n\n var x = point.x;\n var y = point.y;\n var truncX = x | 0;\n\n if (truncX === prevX) {\n if (y < minY) {\n minY = y;\n } else if (y > maxY) {\n maxY = y;\n }\n\n avgX = (countX * avgX + x) / ++countX;\n } else {\n drawX();\n ctx.lineTo(x, y);\n prevX = truncX;\n countX = 0;\n minY = maxY = y;\n }\n\n lastY = y;\n }\n\n drawX();\n}\n\nfunction _getSegmentMethod(line) {\n var opts = line.options;\n var borderDash = opts.borderDash && opts.borderDash.length;\n var useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash;\n return useFastPath ? fastPathSegment : pathSegment;\n}\n\nfunction _getInterpolationMethod(options) {\n if (options.stepped) {\n return _steppedInterpolation;\n }\n\n if (options.tension || options.cubicInterpolationMode === 'monotone') {\n return _bezierInterpolation;\n }\n\n return _pointInLine;\n}\n\nfunction strokePathWithCache(ctx, line, start, count) {\n var path = line._path;\n\n if (!path) {\n path = line._path = new Path2D();\n\n if (line.path(path, start, count)) {\n path.closePath();\n }\n }\n\n setStyle(ctx, line.options);\n ctx.stroke(path);\n}\n\nfunction strokePathDirect(ctx, line, start, count) {\n var segments = line.segments,\n options = line.options;\n\n var segmentMethod = _getSegmentMethod(line);\n\n var _iterator16 = _createForOfIteratorHelper(segments),\n _step16;\n\n try {\n for (_iterator16.s(); !(_step16 = _iterator16.n()).done;) {\n var segment = _step16.value;\n setStyle(ctx, options, segment.style);\n ctx.beginPath();\n\n if (segmentMethod(ctx, line, segment, {\n start: start,\n end: start + count - 1\n })) {\n ctx.closePath();\n }\n\n ctx.stroke();\n }\n } catch (err) {\n _iterator16.e(err);\n } finally {\n _iterator16.f();\n }\n}\n\nvar usePath2D = typeof Path2D === 'function';\n\nfunction _draw(ctx, line, start, count) {\n if (usePath2D && !line.options.segment) {\n strokePathWithCache(ctx, line, start, count);\n } else {\n strokePathDirect(ctx, line, start, count);\n }\n}\n\nvar LineElement = /*#__PURE__*/function (_Element3) {\n _inherits(LineElement, _Element3);\n\n var _super13 = _createSuper(LineElement);\n\n function LineElement(cfg) {\n var _this24;\n\n _classCallCheck(this, LineElement);\n\n _this24 = _super13.call(this);\n _this24.animated = true;\n _this24.options = undefined;\n _this24._chart = undefined;\n _this24._loop = undefined;\n _this24._fullLoop = undefined;\n _this24._path = undefined;\n _this24._points = undefined;\n _this24._segments = undefined;\n _this24._decimated = false;\n _this24._pointsUpdated = false;\n _this24._datasetIndex = undefined;\n\n if (cfg) {\n Object.assign(_assertThisInitialized(_this24), cfg);\n }\n\n return _this24;\n }\n\n _createClass(LineElement, [{\n key: \"updateControlPoints\",\n value: function updateControlPoints(chartArea, indexAxis) {\n var options = this.options;\n\n if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !this._pointsUpdated) {\n var loop = options.spanGaps ? this._loop : this._fullLoop;\n\n _updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis);\n\n this._pointsUpdated = true;\n }\n }\n }, {\n key: \"points\",\n get: function get() {\n return this._points;\n },\n set: function set(points) {\n this._points = points;\n delete this._segments;\n delete this._path;\n this._pointsUpdated = false;\n }\n }, {\n key: \"segments\",\n get: function get() {\n return this._segments || (this._segments = _computeSegments(this, this.options.segment));\n }\n }, {\n key: \"first\",\n value: function first() {\n var segments = this.segments;\n var points = this.points;\n return segments.length && points[segments[0].start];\n }\n }, {\n key: \"last\",\n value: function last() {\n var segments = this.segments;\n var points = this.points;\n var count = segments.length;\n return count && points[segments[count - 1].end];\n }\n }, {\n key: \"interpolate\",\n value: function interpolate(point, property) {\n var options = this.options;\n var value = point[property];\n var points = this.points;\n\n var segments = _boundSegments(this, {\n property: property,\n start: value,\n end: value\n });\n\n if (!segments.length) {\n return;\n }\n\n var result = [];\n\n var _interpolate = _getInterpolationMethod(options);\n\n var i, ilen;\n\n for (i = 0, ilen = segments.length; i < ilen; ++i) {\n var _segments$i = segments[i],\n start = _segments$i.start,\n end = _segments$i.end;\n var p1 = points[start];\n var p2 = points[end];\n\n if (p1 === p2) {\n result.push(p1);\n continue;\n }\n\n var t = Math.abs((value - p1[property]) / (p2[property] - p1[property]));\n\n var interpolated = _interpolate(p1, p2, t, options.stepped);\n\n interpolated[property] = point[property];\n result.push(interpolated);\n }\n\n return result.length === 1 ? result[0] : result;\n }\n }, {\n key: \"pathSegment\",\n value: function pathSegment(ctx, segment, params) {\n var segmentMethod = _getSegmentMethod(this);\n\n return segmentMethod(ctx, this, segment, params);\n }\n }, {\n key: \"path\",\n value: function path(ctx, start, count) {\n var segments = this.segments;\n\n var segmentMethod = _getSegmentMethod(this);\n\n var loop = this._loop;\n start = start || 0;\n count = count || this.points.length - start;\n\n var _iterator17 = _createForOfIteratorHelper(segments),\n _step17;\n\n try {\n for (_iterator17.s(); !(_step17 = _iterator17.n()).done;) {\n var segment = _step17.value;\n loop &= segmentMethod(ctx, this, segment, {\n start: start,\n end: start + count - 1\n });\n }\n } catch (err) {\n _iterator17.e(err);\n } finally {\n _iterator17.f();\n }\n\n return !!loop;\n }\n }, {\n key: \"draw\",\n value: function draw(ctx, chartArea, start, count) {\n var options = this.options || {};\n var points = this.points || [];\n\n if (points.length && options.borderWidth) {\n ctx.save();\n\n _draw(ctx, this, start, count);\n\n ctx.restore();\n }\n\n if (this.animated) {\n this._pointsUpdated = false;\n this._path = undefined;\n }\n }\n }]);\n\n return LineElement;\n}(Element);\n\nLineElement.id = 'line';\nLineElement.defaults = {\n borderCapStyle: 'butt',\n borderDash: [],\n borderDashOffset: 0,\n borderJoinStyle: 'miter',\n borderWidth: 3,\n capBezierPoints: true,\n cubicInterpolationMode: 'default',\n fill: false,\n spanGaps: false,\n stepped: false,\n tension: 0\n};\nLineElement.defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n};\nLineElement.descriptors = {\n _scriptable: true,\n _indexable: function _indexable(name) {\n return name !== 'borderDash' && name !== 'fill';\n }\n};\n\nfunction inRange$1(el, pos, axis, useFinalPosition) {\n var options = el.options;\n\n var _el$getProps = el.getProps([axis], useFinalPosition),\n value = _el$getProps[axis];\n\n return Math.abs(pos - value) < options.radius + options.hitRadius;\n}\n\nvar PointElement = /*#__PURE__*/function (_Element4) {\n _inherits(PointElement, _Element4);\n\n var _super14 = _createSuper(PointElement);\n\n function PointElement(cfg) {\n var _this25;\n\n _classCallCheck(this, PointElement);\n\n _this25 = _super14.call(this);\n _this25.options = undefined;\n _this25.parsed = undefined;\n _this25.skip = undefined;\n _this25.stop = undefined;\n\n if (cfg) {\n Object.assign(_assertThisInitialized(_this25), cfg);\n }\n\n return _this25;\n }\n\n _createClass(PointElement, [{\n key: \"inRange\",\n value: function inRange(mouseX, mouseY, useFinalPosition) {\n var options = this.options;\n\n var _this$getProps4 = this.getProps(['x', 'y'], useFinalPosition),\n x = _this$getProps4.x,\n y = _this$getProps4.y;\n\n return Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2) < Math.pow(options.hitRadius + options.radius, 2);\n }\n }, {\n key: \"inXRange\",\n value: function inXRange(mouseX, useFinalPosition) {\n return inRange$1(this, mouseX, 'x', useFinalPosition);\n }\n }, {\n key: \"inYRange\",\n value: function inYRange(mouseY, useFinalPosition) {\n return inRange$1(this, mouseY, 'y', useFinalPosition);\n }\n }, {\n key: \"getCenterPoint\",\n value: function getCenterPoint(useFinalPosition) {\n var _this$getProps5 = this.getProps(['x', 'y'], useFinalPosition),\n x = _this$getProps5.x,\n y = _this$getProps5.y;\n\n return {\n x: x,\n y: y\n };\n }\n }, {\n key: \"size\",\n value: function size(options) {\n options = options || this.options || {};\n var radius = options.radius || 0;\n radius = Math.max(radius, radius && options.hoverRadius || 0);\n var borderWidth = radius && options.borderWidth || 0;\n return (radius + borderWidth) * 2;\n }\n }, {\n key: \"draw\",\n value: function draw(ctx, area) {\n var options = this.options;\n\n if (this.skip || options.radius < 0.1 || !_isPointInArea(this, area, this.size(options) / 2)) {\n return;\n }\n\n ctx.strokeStyle = options.borderColor;\n ctx.lineWidth = options.borderWidth;\n ctx.fillStyle = options.backgroundColor;\n drawPoint(ctx, options, this.x, this.y);\n }\n }, {\n key: \"getRange\",\n value: function getRange() {\n var options = this.options || {};\n return options.radius + options.hitRadius;\n }\n }]);\n\n return PointElement;\n}(Element);\n\nPointElement.id = 'point';\nPointElement.defaults = {\n borderWidth: 1,\n hitRadius: 1,\n hoverBorderWidth: 1,\n hoverRadius: 4,\n pointStyle: 'circle',\n radius: 3,\n rotation: 0\n};\nPointElement.defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n};\n\nfunction getBarBounds(bar, useFinalPosition) {\n var _bar$getProps = bar.getProps(['x', 'y', 'base', 'width', 'height'], useFinalPosition),\n x = _bar$getProps.x,\n y = _bar$getProps.y,\n base = _bar$getProps.base,\n width = _bar$getProps.width,\n height = _bar$getProps.height;\n\n var left, right, top, bottom, half;\n\n if (bar.horizontal) {\n half = height / 2;\n left = Math.min(x, base);\n right = Math.max(x, base);\n top = y - half;\n bottom = y + half;\n } else {\n half = width / 2;\n left = x - half;\n right = x + half;\n top = Math.min(y, base);\n bottom = Math.max(y, base);\n }\n\n return {\n left: left,\n top: top,\n right: right,\n bottom: bottom\n };\n}\n\nfunction skipOrLimit(skip, value, min, max) {\n return skip ? 0 : _limitValue(value, min, max);\n}\n\nfunction parseBorderWidth(bar, maxW, maxH) {\n var value = bar.options.borderWidth;\n var skip = bar.borderSkipped;\n var o = toTRBL(value);\n return {\n t: skipOrLimit(skip.top, o.top, 0, maxH),\n r: skipOrLimit(skip.right, o.right, 0, maxW),\n b: skipOrLimit(skip.bottom, o.bottom, 0, maxH),\n l: skipOrLimit(skip.left, o.left, 0, maxW)\n };\n}\n\nfunction parseBorderRadius(bar, maxW, maxH) {\n var _bar$getProps2 = bar.getProps(['enableBorderRadius']),\n enableBorderRadius = _bar$getProps2.enableBorderRadius;\n\n var value = bar.options.borderRadius;\n var o = toTRBLCorners(value);\n var maxR = Math.min(maxW, maxH);\n var skip = bar.borderSkipped;\n var enableBorder = enableBorderRadius || isObject(value);\n return {\n topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR),\n topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR),\n bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR),\n bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR)\n };\n}\n\nfunction boundingRects(bar) {\n var bounds = getBarBounds(bar);\n var width = bounds.right - bounds.left;\n var height = bounds.bottom - bounds.top;\n var border = parseBorderWidth(bar, width / 2, height / 2);\n var radius = parseBorderRadius(bar, width / 2, height / 2);\n return {\n outer: {\n x: bounds.left,\n y: bounds.top,\n w: width,\n h: height,\n radius: radius\n },\n inner: {\n x: bounds.left + border.l,\n y: bounds.top + border.t,\n w: width - border.l - border.r,\n h: height - border.t - border.b,\n radius: {\n topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)),\n topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)),\n bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)),\n bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r))\n }\n }\n };\n}\n\nfunction _inRange(bar, x, y, useFinalPosition) {\n var skipX = x === null;\n var skipY = y === null;\n var skipBoth = skipX && skipY;\n var bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition);\n return bounds && (skipX || _isBetween(x, bounds.left, bounds.right)) && (skipY || _isBetween(y, bounds.top, bounds.bottom));\n}\n\nfunction hasRadius(radius) {\n return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight;\n}\n\nfunction addNormalRectPath(ctx, rect) {\n ctx.rect(rect.x, rect.y, rect.w, rect.h);\n}\n\nfunction inflateRect(rect, amount) {\n var refRect = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n var x = rect.x !== refRect.x ? -amount : 0;\n var y = rect.y !== refRect.y ? -amount : 0;\n var w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x;\n var h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y;\n return {\n x: rect.x + x,\n y: rect.y + y,\n w: rect.w + w,\n h: rect.h + h,\n radius: rect.radius\n };\n}\n\nvar BarElement = /*#__PURE__*/function (_Element5) {\n _inherits(BarElement, _Element5);\n\n var _super15 = _createSuper(BarElement);\n\n function BarElement(cfg) {\n var _this26;\n\n _classCallCheck(this, BarElement);\n\n _this26 = _super15.call(this);\n _this26.options = undefined;\n _this26.horizontal = undefined;\n _this26.base = undefined;\n _this26.width = undefined;\n _this26.height = undefined;\n _this26.inflateAmount = undefined;\n\n if (cfg) {\n Object.assign(_assertThisInitialized(_this26), cfg);\n }\n\n return _this26;\n }\n\n _createClass(BarElement, [{\n key: \"draw\",\n value: function draw(ctx) {\n var inflateAmount = this.inflateAmount,\n _this$options13 = this.options,\n borderColor = _this$options13.borderColor,\n backgroundColor = _this$options13.backgroundColor;\n\n var _boundingRects = boundingRects(this),\n inner = _boundingRects.inner,\n outer = _boundingRects.outer;\n\n var addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath;\n ctx.save();\n\n if (outer.w !== inner.w || outer.h !== inner.h) {\n ctx.beginPath();\n addRectPath(ctx, inflateRect(outer, inflateAmount, inner));\n ctx.clip();\n addRectPath(ctx, inflateRect(inner, -inflateAmount, outer));\n ctx.fillStyle = borderColor;\n ctx.fill('evenodd');\n }\n\n ctx.beginPath();\n addRectPath(ctx, inflateRect(inner, inflateAmount));\n ctx.fillStyle = backgroundColor;\n ctx.fill();\n ctx.restore();\n }\n }, {\n key: \"inRange\",\n value: function inRange(mouseX, mouseY, useFinalPosition) {\n return _inRange(this, mouseX, mouseY, useFinalPosition);\n }\n }, {\n key: \"inXRange\",\n value: function inXRange(mouseX, useFinalPosition) {\n return _inRange(this, mouseX, null, useFinalPosition);\n }\n }, {\n key: \"inYRange\",\n value: function inYRange(mouseY, useFinalPosition) {\n return _inRange(this, null, mouseY, useFinalPosition);\n }\n }, {\n key: \"getCenterPoint\",\n value: function getCenterPoint(useFinalPosition) {\n var _this$getProps6 = this.getProps(['x', 'y', 'base', 'horizontal'], useFinalPosition),\n x = _this$getProps6.x,\n y = _this$getProps6.y,\n base = _this$getProps6.base,\n horizontal = _this$getProps6.horizontal;\n\n return {\n x: horizontal ? (x + base) / 2 : x,\n y: horizontal ? y : (y + base) / 2\n };\n }\n }, {\n key: \"getRange\",\n value: function getRange(axis) {\n return axis === 'x' ? this.width / 2 : this.height / 2;\n }\n }]);\n\n return BarElement;\n}(Element);\n\nBarElement.id = 'bar';\nBarElement.defaults = {\n borderSkipped: 'start',\n borderWidth: 0,\n borderRadius: 0,\n inflateAmount: 'auto',\n pointStyle: undefined\n};\nBarElement.defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n};\nvar elements = /*#__PURE__*/Object.freeze({\n __proto__: null,\n ArcElement: ArcElement,\n LineElement: LineElement,\n PointElement: PointElement,\n BarElement: BarElement\n});\n\nfunction lttbDecimation(data, start, count, availableWidth, options) {\n var samples = options.samples || availableWidth;\n\n if (samples >= count) {\n return data.slice(start, start + count);\n }\n\n var decimated = [];\n var bucketWidth = (count - 2) / (samples - 2);\n var sampledIndex = 0;\n var endIndex = start + count - 1;\n var a = start;\n var i, maxAreaPoint, maxArea, area, nextA;\n decimated[sampledIndex++] = data[a];\n\n for (i = 0; i < samples - 2; i++) {\n var avgX = 0;\n var avgY = 0;\n var j = void 0;\n var avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start;\n var avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start;\n var avgRangeLength = avgRangeEnd - avgRangeStart;\n\n for (j = avgRangeStart; j < avgRangeEnd; j++) {\n avgX += data[j].x;\n avgY += data[j].y;\n }\n\n avgX /= avgRangeLength;\n avgY /= avgRangeLength;\n var rangeOffs = Math.floor(i * bucketWidth) + 1 + start;\n var rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start;\n var _data$a = data[a],\n pointAx = _data$a.x,\n pointAy = _data$a.y;\n maxArea = area = -1;\n\n for (j = rangeOffs; j < rangeTo; j++) {\n area = 0.5 * Math.abs((pointAx - avgX) * (data[j].y - pointAy) - (pointAx - data[j].x) * (avgY - pointAy));\n\n if (area > maxArea) {\n maxArea = area;\n maxAreaPoint = data[j];\n nextA = j;\n }\n }\n\n decimated[sampledIndex++] = maxAreaPoint;\n a = nextA;\n }\n\n decimated[sampledIndex++] = data[endIndex];\n return decimated;\n}\n\nfunction minMaxDecimation(data, start, count, availableWidth) {\n var avgX = 0;\n var countX = 0;\n var i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY;\n var decimated = [];\n var endIndex = start + count - 1;\n var xMin = data[start].x;\n var xMax = data[endIndex].x;\n var dx = xMax - xMin;\n\n for (i = start; i < start + count; ++i) {\n point = data[i];\n x = (point.x - xMin) / dx * availableWidth;\n y = point.y;\n var truncX = x | 0;\n\n if (truncX === prevX) {\n if (y < minY) {\n minY = y;\n minIndex = i;\n } else if (y > maxY) {\n maxY = y;\n maxIndex = i;\n }\n\n avgX = (countX * avgX + point.x) / ++countX;\n } else {\n var lastIndex = i - 1;\n\n if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) {\n var intermediateIndex1 = Math.min(minIndex, maxIndex);\n var intermediateIndex2 = Math.max(minIndex, maxIndex);\n\n if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) {\n decimated.push(_objectSpread(_objectSpread({}, data[intermediateIndex1]), {}, {\n x: avgX\n }));\n }\n\n if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) {\n decimated.push(_objectSpread(_objectSpread({}, data[intermediateIndex2]), {}, {\n x: avgX\n }));\n }\n }\n\n if (i > 0 && lastIndex !== startIndex) {\n decimated.push(data[lastIndex]);\n }\n\n decimated.push(point);\n prevX = truncX;\n countX = 0;\n minY = maxY = y;\n minIndex = maxIndex = startIndex = i;\n }\n }\n\n return decimated;\n}\n\nfunction cleanDecimatedDataset(dataset) {\n if (dataset._decimated) {\n var data = dataset._data;\n delete dataset._decimated;\n delete dataset._data;\n Object.defineProperty(dataset, 'data', {\n value: data\n });\n }\n}\n\nfunction cleanDecimatedData(chart) {\n chart.data.datasets.forEach(function (dataset) {\n cleanDecimatedDataset(dataset);\n });\n}\n\nfunction getStartAndCountOfVisiblePointsSimplified(meta, points) {\n var pointCount = points.length;\n var start = 0;\n var count;\n var iScale = meta.iScale;\n\n var _iScale$getUserBounds = iScale.getUserBounds(),\n min = _iScale$getUserBounds.min,\n max = _iScale$getUserBounds.max,\n minDefined = _iScale$getUserBounds.minDefined,\n maxDefined = _iScale$getUserBounds.maxDefined;\n\n if (minDefined) {\n start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1);\n }\n\n if (maxDefined) {\n count = _limitValue(_lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start;\n } else {\n count = pointCount - start;\n }\n\n return {\n start: start,\n count: count\n };\n}\n\nvar plugin_decimation = {\n id: 'decimation',\n defaults: {\n algorithm: 'min-max',\n enabled: false\n },\n beforeElementsUpdate: function beforeElementsUpdate(chart, args, options) {\n if (!options.enabled) {\n cleanDecimatedData(chart);\n return;\n }\n\n var availableWidth = chart.width;\n chart.data.datasets.forEach(function (dataset, datasetIndex) {\n var _data = dataset._data,\n indexAxis = dataset.indexAxis;\n var meta = chart.getDatasetMeta(datasetIndex);\n var data = _data || dataset.data;\n\n if (resolve([indexAxis, chart.options.indexAxis]) === 'y') {\n return;\n }\n\n if (!meta.controller.supportsDecimation) {\n return;\n }\n\n var xAxis = chart.scales[meta.xAxisID];\n\n if (xAxis.type !== 'linear' && xAxis.type !== 'time') {\n return;\n }\n\n if (chart.options.parsing) {\n return;\n }\n\n var _getStartAndCountOfVi3 = getStartAndCountOfVisiblePointsSimplified(meta, data),\n start = _getStartAndCountOfVi3.start,\n count = _getStartAndCountOfVi3.count;\n\n var threshold = options.threshold || 4 * availableWidth;\n\n if (count <= threshold) {\n cleanDecimatedDataset(dataset);\n return;\n }\n\n if (isNullOrUndef(_data)) {\n dataset._data = data;\n delete dataset.data;\n Object.defineProperty(dataset, 'data', {\n configurable: true,\n enumerable: true,\n get: function get() {\n return this._decimated;\n },\n set: function set(d) {\n this._data = d;\n }\n });\n }\n\n var decimated;\n\n switch (options.algorithm) {\n case 'lttb':\n decimated = lttbDecimation(data, start, count, availableWidth, options);\n break;\n\n case 'min-max':\n decimated = minMaxDecimation(data, start, count, availableWidth);\n break;\n\n default:\n throw new Error(\"Unsupported decimation algorithm '\".concat(options.algorithm, \"'\"));\n }\n\n dataset._decimated = decimated;\n });\n },\n destroy: function destroy(chart) {\n cleanDecimatedData(chart);\n }\n};\n\nfunction _segments(line, target, property) {\n var segments = line.segments;\n var points = line.points;\n var tpoints = target.points;\n var parts = [];\n\n var _iterator18 = _createForOfIteratorHelper(segments),\n _step18;\n\n try {\n for (_iterator18.s(); !(_step18 = _iterator18.n()).done;) {\n var segment = _step18.value;\n var start = segment.start,\n end = segment.end;\n end = _findSegmentEnd(start, end, points);\n\n var bounds = _getBounds(property, points[start], points[end], segment.loop);\n\n if (!target.segments) {\n parts.push({\n source: segment,\n target: bounds,\n start: points[start],\n end: points[end]\n });\n continue;\n }\n\n var targetSegments = _boundSegments(target, bounds);\n\n var _iterator19 = _createForOfIteratorHelper(targetSegments),\n _step19;\n\n try {\n for (_iterator19.s(); !(_step19 = _iterator19.n()).done;) {\n var tgt = _step19.value;\n\n var subBounds = _getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop);\n\n var fillSources = _boundSegment(segment, points, subBounds);\n\n var _iterator20 = _createForOfIteratorHelper(fillSources),\n _step20;\n\n try {\n for (_iterator20.s(); !(_step20 = _iterator20.n()).done;) {\n var fillSource = _step20.value;\n parts.push({\n source: fillSource,\n target: tgt,\n start: _defineProperty({}, property, _getEdge(bounds, subBounds, 'start', Math.max)),\n end: _defineProperty({}, property, _getEdge(bounds, subBounds, 'end', Math.min))\n });\n }\n } catch (err) {\n _iterator20.e(err);\n } finally {\n _iterator20.f();\n }\n }\n } catch (err) {\n _iterator19.e(err);\n } finally {\n _iterator19.f();\n }\n }\n } catch (err) {\n _iterator18.e(err);\n } finally {\n _iterator18.f();\n }\n\n return parts;\n}\n\nfunction _getBounds(property, first, last, loop) {\n if (loop) {\n return;\n }\n\n var start = first[property];\n var end = last[property];\n\n if (property === 'angle') {\n start = _normalizeAngle(start);\n end = _normalizeAngle(end);\n }\n\n return {\n property: property,\n start: start,\n end: end\n };\n}\n\nfunction _pointsFromSegments(boundary, line) {\n var _ref12 = boundary || {},\n _ref12$x = _ref12.x,\n x = _ref12$x === void 0 ? null : _ref12$x,\n _ref12$y = _ref12.y,\n y = _ref12$y === void 0 ? null : _ref12$y;\n\n var linePoints = line.points;\n var points = [];\n line.segments.forEach(function (_ref13) {\n var start = _ref13.start,\n end = _ref13.end;\n end = _findSegmentEnd(start, end, linePoints);\n var first = linePoints[start];\n var last = linePoints[end];\n\n if (y !== null) {\n points.push({\n x: first.x,\n y: y\n });\n points.push({\n x: last.x,\n y: y\n });\n } else if (x !== null) {\n points.push({\n x: x,\n y: first.y\n });\n points.push({\n x: x,\n y: last.y\n });\n }\n });\n return points;\n}\n\nfunction _findSegmentEnd(start, end, points) {\n for (; end > start; end--) {\n var point = points[end];\n\n if (!isNaN(point.x) && !isNaN(point.y)) {\n break;\n }\n }\n\n return end;\n}\n\nfunction _getEdge(a, b, prop, fn) {\n if (a && b) {\n return fn(a[prop], b[prop]);\n }\n\n return a ? a[prop] : b ? b[prop] : 0;\n}\n\nfunction _createBoundaryLine(boundary, line) {\n var points = [];\n var _loop = false;\n\n if (isArray(boundary)) {\n _loop = true;\n points = boundary;\n } else {\n points = _pointsFromSegments(boundary, line);\n }\n\n return points.length ? new LineElement({\n points: points,\n options: {\n tension: 0\n },\n _loop: _loop,\n _fullLoop: _loop\n }) : null;\n}\n\nfunction _shouldApplyFill(source) {\n return source && source.fill !== false;\n}\n\nfunction _resolveTarget(sources, index, propagate) {\n var source = sources[index];\n var fill = source.fill;\n var visited = [index];\n var target;\n\n if (!propagate) {\n return fill;\n }\n\n while (fill !== false && visited.indexOf(fill) === -1) {\n if (!isNumberFinite(fill)) {\n return fill;\n }\n\n target = sources[fill];\n\n if (!target) {\n return false;\n }\n\n if (target.visible) {\n return fill;\n }\n\n visited.push(fill);\n fill = target.fill;\n }\n\n return false;\n}\n\nfunction _decodeFill(line, index, count) {\n var fill = parseFillOption(line);\n\n if (isObject(fill)) {\n return isNaN(fill.value) ? false : fill;\n }\n\n var target = parseFloat(fill);\n\n if (isNumberFinite(target) && Math.floor(target) === target) {\n return decodeTargetIndex(fill[0], index, target, count);\n }\n\n return ['origin', 'start', 'end', 'stack', 'shape'].indexOf(fill) >= 0 && fill;\n}\n\nfunction decodeTargetIndex(firstCh, index, target, count) {\n if (firstCh === '-' || firstCh === '+') {\n target = index + target;\n }\n\n if (target === index || target < 0 || target >= count) {\n return false;\n }\n\n return target;\n}\n\nfunction _getTargetPixel(fill, scale) {\n var pixel = null;\n\n if (fill === 'start') {\n pixel = scale.bottom;\n } else if (fill === 'end') {\n pixel = scale.top;\n } else if (isObject(fill)) {\n pixel = scale.getPixelForValue(fill.value);\n } else if (scale.getBasePixel) {\n pixel = scale.getBasePixel();\n }\n\n return pixel;\n}\n\nfunction _getTargetValue(fill, scale, startValue) {\n var value;\n\n if (fill === 'start') {\n value = startValue;\n } else if (fill === 'end') {\n value = scale.options.reverse ? scale.min : scale.max;\n } else if (isObject(fill)) {\n value = fill.value;\n } else {\n value = scale.getBaseValue();\n }\n\n return value;\n}\n\nfunction parseFillOption(line) {\n var options = line.options;\n var fillOption = options.fill;\n var fill = valueOrDefault(fillOption && fillOption.target, fillOption);\n\n if (fill === undefined) {\n fill = !!options.backgroundColor;\n }\n\n if (fill === false || fill === null) {\n return false;\n }\n\n if (fill === true) {\n return 'origin';\n }\n\n return fill;\n}\n\nfunction _buildStackLine(source) {\n var scale = source.scale,\n index = source.index,\n line = source.line;\n var points = [];\n var segments = line.segments;\n var sourcePoints = line.points;\n var linesBelow = getLinesBelow(scale, index);\n linesBelow.push(_createBoundaryLine({\n x: null,\n y: scale.bottom\n }, line));\n\n for (var i = 0; i < segments.length; i++) {\n var segment = segments[i];\n\n for (var j = segment.start; j <= segment.end; j++) {\n addPointsBelow(points, sourcePoints[j], linesBelow);\n }\n }\n\n return new LineElement({\n points: points,\n options: {}\n });\n}\n\nfunction getLinesBelow(scale, index) {\n var below = [];\n var metas = scale.getMatchingVisibleMetas('line');\n\n for (var i = 0; i < metas.length; i++) {\n var meta = metas[i];\n\n if (meta.index === index) {\n break;\n }\n\n if (!meta.hidden) {\n below.unshift(meta.dataset);\n }\n }\n\n return below;\n}\n\nfunction addPointsBelow(points, sourcePoint, linesBelow) {\n var postponed = [];\n\n for (var j = 0; j < linesBelow.length; j++) {\n var line = linesBelow[j];\n\n var _findPoint = findPoint(line, sourcePoint, 'x'),\n first = _findPoint.first,\n last = _findPoint.last,\n point = _findPoint.point;\n\n if (!point || first && last) {\n continue;\n }\n\n if (first) {\n postponed.unshift(point);\n } else {\n points.push(point);\n\n if (!last) {\n break;\n }\n }\n }\n\n points.push.apply(points, postponed);\n}\n\nfunction findPoint(line, sourcePoint, property) {\n var point = line.interpolate(sourcePoint, property);\n\n if (!point) {\n return {};\n }\n\n var pointValue = point[property];\n var segments = line.segments;\n var linePoints = line.points;\n var first = false;\n var last = false;\n\n for (var i = 0; i < segments.length; i++) {\n var segment = segments[i];\n var firstValue = linePoints[segment.start][property];\n var lastValue = linePoints[segment.end][property];\n\n if (_isBetween(pointValue, firstValue, lastValue)) {\n first = pointValue === firstValue;\n last = pointValue === lastValue;\n break;\n }\n }\n\n return {\n first: first,\n last: last,\n point: point\n };\n}\n\nvar simpleArc = /*#__PURE__*/function () {\n function simpleArc(opts) {\n _classCallCheck(this, simpleArc);\n\n this.x = opts.x;\n this.y = opts.y;\n this.radius = opts.radius;\n }\n\n _createClass(simpleArc, [{\n key: \"pathSegment\",\n value: function pathSegment(ctx, bounds, opts) {\n var x = this.x,\n y = this.y,\n radius = this.radius;\n bounds = bounds || {\n start: 0,\n end: TAU\n };\n ctx.arc(x, y, radius, bounds.end, bounds.start, true);\n return !opts.bounds;\n }\n }, {\n key: \"interpolate\",\n value: function interpolate(point) {\n var x = this.x,\n y = this.y,\n radius = this.radius;\n var angle = point.angle;\n return {\n x: x + Math.cos(angle) * radius,\n y: y + Math.sin(angle) * radius,\n angle: angle\n };\n }\n }]);\n\n return simpleArc;\n}();\n\nfunction _getTarget(source) {\n var chart = source.chart,\n fill = source.fill,\n line = source.line;\n\n if (isNumberFinite(fill)) {\n return getLineByIndex(chart, fill);\n }\n\n if (fill === 'stack') {\n return _buildStackLine(source);\n }\n\n if (fill === 'shape') {\n return true;\n }\n\n var boundary = computeBoundary(source);\n\n if (boundary instanceof simpleArc) {\n return boundary;\n }\n\n return _createBoundaryLine(boundary, line);\n}\n\nfunction getLineByIndex(chart, index) {\n var meta = chart.getDatasetMeta(index);\n var visible = meta && chart.isDatasetVisible(index);\n return visible ? meta.dataset : null;\n}\n\nfunction computeBoundary(source) {\n var scale = source.scale || {};\n\n if (scale.getPointPositionForValue) {\n return computeCircularBoundary(source);\n }\n\n return computeLinearBoundary(source);\n}\n\nfunction computeLinearBoundary(source) {\n var _source$scale = source.scale,\n scale = _source$scale === void 0 ? {} : _source$scale,\n fill = source.fill;\n\n var pixel = _getTargetPixel(fill, scale);\n\n if (isNumberFinite(pixel)) {\n var horizontal = scale.isHorizontal();\n return {\n x: horizontal ? pixel : null,\n y: horizontal ? null : pixel\n };\n }\n\n return null;\n}\n\nfunction computeCircularBoundary(source) {\n var scale = source.scale,\n fill = source.fill;\n var options = scale.options;\n var length = scale.getLabels().length;\n var start = options.reverse ? scale.max : scale.min;\n\n var value = _getTargetValue(fill, scale, start);\n\n var target = [];\n\n if (options.grid.circular) {\n var center = scale.getPointPositionForValue(0, start);\n return new simpleArc({\n x: center.x,\n y: center.y,\n radius: scale.getDistanceFromCenterForValue(value)\n });\n }\n\n for (var i = 0; i < length; ++i) {\n target.push(scale.getPointPositionForValue(i, value));\n }\n\n return target;\n}\n\nfunction _drawfill(ctx, source, area) {\n var target = _getTarget(source);\n\n var line = source.line,\n scale = source.scale,\n axis = source.axis;\n var lineOpts = line.options;\n var fillOption = lineOpts.fill;\n var color = lineOpts.backgroundColor;\n\n var _ref14 = fillOption || {},\n _ref14$above = _ref14.above,\n above = _ref14$above === void 0 ? color : _ref14$above,\n _ref14$below = _ref14.below,\n below = _ref14$below === void 0 ? color : _ref14$below;\n\n if (target && line.points.length) {\n clipArea(ctx, area);\n doFill(ctx, {\n line: line,\n target: target,\n above: above,\n below: below,\n area: area,\n scale: scale,\n axis: axis\n });\n unclipArea(ctx);\n }\n}\n\nfunction doFill(ctx, cfg) {\n var line = cfg.line,\n target = cfg.target,\n above = cfg.above,\n below = cfg.below,\n area = cfg.area,\n scale = cfg.scale;\n var property = line._loop ? 'angle' : cfg.axis;\n ctx.save();\n\n if (property === 'x' && below !== above) {\n clipVertical(ctx, target, area.top);\n fill(ctx, {\n line: line,\n target: target,\n color: above,\n scale: scale,\n property: property\n });\n ctx.restore();\n ctx.save();\n clipVertical(ctx, target, area.bottom);\n }\n\n fill(ctx, {\n line: line,\n target: target,\n color: below,\n scale: scale,\n property: property\n });\n ctx.restore();\n}\n\nfunction clipVertical(ctx, target, clipY) {\n var segments = target.segments,\n points = target.points;\n var first = true;\n var lineLoop = false;\n ctx.beginPath();\n\n var _iterator21 = _createForOfIteratorHelper(segments),\n _step21;\n\n try {\n for (_iterator21.s(); !(_step21 = _iterator21.n()).done;) {\n var segment = _step21.value;\n var start = segment.start,\n end = segment.end;\n var firstPoint = points[start];\n\n var lastPoint = points[_findSegmentEnd(start, end, points)];\n\n if (first) {\n ctx.moveTo(firstPoint.x, firstPoint.y);\n first = false;\n } else {\n ctx.lineTo(firstPoint.x, clipY);\n ctx.lineTo(firstPoint.x, firstPoint.y);\n }\n\n lineLoop = !!target.pathSegment(ctx, segment, {\n move: lineLoop\n });\n\n if (lineLoop) {\n ctx.closePath();\n } else {\n ctx.lineTo(lastPoint.x, clipY);\n }\n }\n } catch (err) {\n _iterator21.e(err);\n } finally {\n _iterator21.f();\n }\n\n ctx.lineTo(target.first().x, clipY);\n ctx.closePath();\n ctx.clip();\n}\n\nfunction fill(ctx, cfg) {\n var line = cfg.line,\n target = cfg.target,\n property = cfg.property,\n color = cfg.color,\n scale = cfg.scale;\n\n var segments = _segments(line, target, property);\n\n var _iterator22 = _createForOfIteratorHelper(segments),\n _step22;\n\n try {\n for (_iterator22.s(); !(_step22 = _iterator22.n()).done;) {\n var _ref16 = _step22.value;\n var src = _ref16.source;\n var tgt = _ref16.target;\n var start = _ref16.start;\n var end = _ref16.end;\n var _src$style = src.style;\n _src$style = _src$style === void 0 ? {} : _src$style;\n var _src$style$background = _src$style.backgroundColor,\n backgroundColor = _src$style$background === void 0 ? color : _src$style$background;\n var notShape = target !== true;\n ctx.save();\n ctx.fillStyle = backgroundColor;\n clipBounds(ctx, scale, notShape && _getBounds(property, start, end));\n ctx.beginPath();\n var lineLoop = !!line.pathSegment(ctx, src);\n var loop = void 0;\n\n if (notShape) {\n if (lineLoop) {\n ctx.closePath();\n } else {\n interpolatedLineTo(ctx, target, end, property);\n }\n\n var targetLoop = !!target.pathSegment(ctx, tgt, {\n move: lineLoop,\n reverse: true\n });\n loop = lineLoop && targetLoop;\n\n if (!loop) {\n interpolatedLineTo(ctx, target, start, property);\n }\n }\n\n ctx.closePath();\n ctx.fill(loop ? 'evenodd' : 'nonzero');\n ctx.restore();\n }\n } catch (err) {\n _iterator22.e(err);\n } finally {\n _iterator22.f();\n }\n}\n\nfunction clipBounds(ctx, scale, bounds) {\n var _scale$chart$chartAre = scale.chart.chartArea,\n top = _scale$chart$chartAre.top,\n bottom = _scale$chart$chartAre.bottom;\n\n var _ref17 = bounds || {},\n property = _ref17.property,\n start = _ref17.start,\n end = _ref17.end;\n\n if (property === 'x') {\n ctx.beginPath();\n ctx.rect(start, top, end - start, bottom - top);\n ctx.clip();\n }\n}\n\nfunction interpolatedLineTo(ctx, target, point, property) {\n var interpolatedPoint = target.interpolate(point, property);\n\n if (interpolatedPoint) {\n ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y);\n }\n}\n\nvar index = {\n id: 'filler',\n afterDatasetsUpdate: function afterDatasetsUpdate(chart, _args, options) {\n var count = (chart.data.datasets || []).length;\n var sources = [];\n var meta, i, line, source;\n\n for (i = 0; i < count; ++i) {\n meta = chart.getDatasetMeta(i);\n line = meta.dataset;\n source = null;\n\n if (line && line.options && line instanceof LineElement) {\n source = {\n visible: chart.isDatasetVisible(i),\n index: i,\n fill: _decodeFill(line, i, count),\n chart: chart,\n axis: meta.controller.options.indexAxis,\n scale: meta.vScale,\n line: line\n };\n }\n\n meta.$filler = source;\n sources.push(source);\n }\n\n for (i = 0; i < count; ++i) {\n source = sources[i];\n\n if (!source || source.fill === false) {\n continue;\n }\n\n source.fill = _resolveTarget(sources, i, options.propagate);\n }\n },\n beforeDraw: function beforeDraw(chart, _args, options) {\n var draw = options.drawTime === 'beforeDraw';\n var metasets = chart.getSortedVisibleDatasetMetas();\n var area = chart.chartArea;\n\n for (var i = metasets.length - 1; i >= 0; --i) {\n var source = metasets[i].$filler;\n\n if (!source) {\n continue;\n }\n\n source.line.updateControlPoints(area, source.axis);\n\n if (draw && source.fill) {\n _drawfill(chart.ctx, source, area);\n }\n }\n },\n beforeDatasetsDraw: function beforeDatasetsDraw(chart, _args, options) {\n if (options.drawTime !== 'beforeDatasetsDraw') {\n return;\n }\n\n var metasets = chart.getSortedVisibleDatasetMetas();\n\n for (var i = metasets.length - 1; i >= 0; --i) {\n var source = metasets[i].$filler;\n\n if (_shouldApplyFill(source)) {\n _drawfill(chart.ctx, source, chart.chartArea);\n }\n }\n },\n beforeDatasetDraw: function beforeDatasetDraw(chart, args, options) {\n var source = args.meta.$filler;\n\n if (!_shouldApplyFill(source) || options.drawTime !== 'beforeDatasetDraw') {\n return;\n }\n\n _drawfill(chart.ctx, source, chart.chartArea);\n },\n defaults: {\n propagate: true,\n drawTime: 'beforeDatasetDraw'\n }\n};\n\nvar getBoxSize = function getBoxSize(labelOpts, fontSize) {\n var _labelOpts$boxHeight = labelOpts.boxHeight,\n boxHeight = _labelOpts$boxHeight === void 0 ? fontSize : _labelOpts$boxHeight,\n _labelOpts$boxWidth = labelOpts.boxWidth,\n boxWidth = _labelOpts$boxWidth === void 0 ? fontSize : _labelOpts$boxWidth;\n\n if (labelOpts.usePointStyle) {\n boxHeight = Math.min(boxHeight, fontSize);\n boxWidth = labelOpts.pointStyleWidth || Math.min(boxWidth, fontSize);\n }\n\n return {\n boxWidth: boxWidth,\n boxHeight: boxHeight,\n itemHeight: Math.max(fontSize, boxHeight)\n };\n};\n\nvar itemsEqual = function itemsEqual(a, b) {\n return a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index;\n};\n\nvar Legend = /*#__PURE__*/function (_Element6) {\n _inherits(Legend, _Element6);\n\n var _super16 = _createSuper(Legend);\n\n function Legend(config) {\n var _this27;\n\n _classCallCheck(this, Legend);\n\n _this27 = _super16.call(this);\n _this27._added = false;\n _this27.legendHitBoxes = [];\n _this27._hoveredItem = null;\n _this27.doughnutMode = false;\n _this27.chart = config.chart;\n _this27.options = config.options;\n _this27.ctx = config.ctx;\n _this27.legendItems = undefined;\n _this27.columnSizes = undefined;\n _this27.lineWidths = undefined;\n _this27.maxHeight = undefined;\n _this27.maxWidth = undefined;\n _this27.top = undefined;\n _this27.bottom = undefined;\n _this27.left = undefined;\n _this27.right = undefined;\n _this27.height = undefined;\n _this27.width = undefined;\n _this27._margins = undefined;\n _this27.position = undefined;\n _this27.weight = undefined;\n _this27.fullSize = undefined;\n return _this27;\n }\n\n _createClass(Legend, [{\n key: \"update\",\n value: function update(maxWidth, maxHeight, margins) {\n this.maxWidth = maxWidth;\n this.maxHeight = maxHeight;\n this._margins = margins;\n this.setDimensions();\n this.buildLabels();\n this.fit();\n }\n }, {\n key: \"setDimensions\",\n value: function setDimensions() {\n if (this.isHorizontal()) {\n this.width = this.maxWidth;\n this.left = this._margins.left;\n this.right = this.width;\n } else {\n this.height = this.maxHeight;\n this.top = this._margins.top;\n this.bottom = this.height;\n }\n }\n }, {\n key: \"buildLabels\",\n value: function buildLabels() {\n var _this28 = this;\n\n var labelOpts = this.options.labels || {};\n var legendItems = callback(labelOpts.generateLabels, [this.chart], this) || [];\n\n if (labelOpts.filter) {\n legendItems = legendItems.filter(function (item) {\n return labelOpts.filter(item, _this28.chart.data);\n });\n }\n\n if (labelOpts.sort) {\n legendItems = legendItems.sort(function (a, b) {\n return labelOpts.sort(a, b, _this28.chart.data);\n });\n }\n\n if (this.options.reverse) {\n legendItems.reverse();\n }\n\n this.legendItems = legendItems;\n }\n }, {\n key: \"fit\",\n value: function fit() {\n var options = this.options,\n ctx = this.ctx;\n\n if (!options.display) {\n this.width = this.height = 0;\n return;\n }\n\n var labelOpts = options.labels;\n var labelFont = toFont(labelOpts.font);\n var fontSize = labelFont.size;\n\n var titleHeight = this._computeTitleHeight();\n\n var _getBoxSize = getBoxSize(labelOpts, fontSize),\n boxWidth = _getBoxSize.boxWidth,\n itemHeight = _getBoxSize.itemHeight;\n\n var width, height;\n ctx.font = labelFont.string;\n\n if (this.isHorizontal()) {\n width = this.maxWidth;\n height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10;\n } else {\n height = this.maxHeight;\n width = this._fitCols(titleHeight, fontSize, boxWidth, itemHeight) + 10;\n }\n\n this.width = Math.min(width, options.maxWidth || this.maxWidth);\n this.height = Math.min(height, options.maxHeight || this.maxHeight);\n }\n }, {\n key: \"_fitRows\",\n value: function _fitRows(titleHeight, fontSize, boxWidth, itemHeight) {\n var ctx = this.ctx,\n maxWidth = this.maxWidth,\n padding = this.options.labels.padding;\n var hitboxes = this.legendHitBoxes = [];\n var lineWidths = this.lineWidths = [0];\n var lineHeight = itemHeight + padding;\n var totalHeight = titleHeight;\n ctx.textAlign = 'left';\n ctx.textBaseline = 'middle';\n var row = -1;\n var top = -lineHeight;\n this.legendItems.forEach(function (legendItem, i) {\n var itemWidth = boxWidth + fontSize / 2 + ctx.measureText(legendItem.text).width;\n\n if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) {\n totalHeight += lineHeight;\n lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0;\n top += lineHeight;\n row++;\n }\n\n hitboxes[i] = {\n left: 0,\n top: top,\n row: row,\n width: itemWidth,\n height: itemHeight\n };\n lineWidths[lineWidths.length - 1] += itemWidth + padding;\n });\n return totalHeight;\n }\n }, {\n key: \"_fitCols\",\n value: function _fitCols(titleHeight, fontSize, boxWidth, itemHeight) {\n var ctx = this.ctx,\n maxHeight = this.maxHeight,\n padding = this.options.labels.padding;\n var hitboxes = this.legendHitBoxes = [];\n var columnSizes = this.columnSizes = [];\n var heightLimit = maxHeight - titleHeight;\n var totalWidth = padding;\n var currentColWidth = 0;\n var currentColHeight = 0;\n var left = 0;\n var col = 0;\n this.legendItems.forEach(function (legendItem, i) {\n var itemWidth = boxWidth + fontSize / 2 + ctx.measureText(legendItem.text).width;\n\n if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) {\n totalWidth += currentColWidth + padding;\n columnSizes.push({\n width: currentColWidth,\n height: currentColHeight\n });\n left += currentColWidth + padding;\n col++;\n currentColWidth = currentColHeight = 0;\n }\n\n hitboxes[i] = {\n left: left,\n top: currentColHeight,\n col: col,\n width: itemWidth,\n height: itemHeight\n };\n currentColWidth = Math.max(currentColWidth, itemWidth);\n currentColHeight += itemHeight + padding;\n });\n totalWidth += currentColWidth;\n columnSizes.push({\n width: currentColWidth,\n height: currentColHeight\n });\n return totalWidth;\n }\n }, {\n key: \"adjustHitBoxes\",\n value: function adjustHitBoxes() {\n if (!this.options.display) {\n return;\n }\n\n var titleHeight = this._computeTitleHeight();\n\n var hitboxes = this.legendHitBoxes,\n _this$options14 = this.options,\n align = _this$options14.align,\n padding = _this$options14.labels.padding,\n rtl = _this$options14.rtl;\n var rtlHelper = getRtlAdapter(rtl, this.left, this.width);\n\n if (this.isHorizontal()) {\n var row = 0;\n\n var left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]);\n\n var _iterator23 = _createForOfIteratorHelper(hitboxes),\n _step23;\n\n try {\n for (_iterator23.s(); !(_step23 = _iterator23.n()).done;) {\n var hitbox = _step23.value;\n\n if (row !== hitbox.row) {\n row = hitbox.row;\n left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]);\n }\n\n hitbox.top += this.top + titleHeight + padding;\n hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width);\n left += hitbox.width + padding;\n }\n } catch (err) {\n _iterator23.e(err);\n } finally {\n _iterator23.f();\n }\n } else {\n var col = 0;\n\n var top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height);\n\n var _iterator24 = _createForOfIteratorHelper(hitboxes),\n _step24;\n\n try {\n for (_iterator24.s(); !(_step24 = _iterator24.n()).done;) {\n var _hitbox = _step24.value;\n\n if (_hitbox.col !== col) {\n col = _hitbox.col;\n top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height);\n }\n\n _hitbox.top = top;\n _hitbox.left += this.left + padding;\n _hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(_hitbox.left), _hitbox.width);\n top += _hitbox.height + padding;\n }\n } catch (err) {\n _iterator24.e(err);\n } finally {\n _iterator24.f();\n }\n }\n }\n }, {\n key: \"isHorizontal\",\n value: function isHorizontal() {\n return this.options.position === 'top' || this.options.position === 'bottom';\n }\n }, {\n key: \"draw\",\n value: function draw() {\n if (this.options.display) {\n var ctx = this.ctx;\n clipArea(ctx, this);\n\n this._draw();\n\n unclipArea(ctx);\n }\n }\n }, {\n key: \"_draw\",\n value: function _draw() {\n var _this29 = this;\n\n var opts = this.options,\n columnSizes = this.columnSizes,\n lineWidths = this.lineWidths,\n ctx = this.ctx;\n var align = opts.align,\n labelOpts = opts.labels;\n var defaultColor = defaults.color;\n var rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width);\n var labelFont = toFont(labelOpts.font);\n var fontColor = labelOpts.color,\n padding = labelOpts.padding;\n var fontSize = labelFont.size;\n var halfFontSize = fontSize / 2;\n var cursor;\n this.drawTitle();\n ctx.textAlign = rtlHelper.textAlign('left');\n ctx.textBaseline = 'middle';\n ctx.lineWidth = 0.5;\n ctx.font = labelFont.string;\n\n var _getBoxSize2 = getBoxSize(labelOpts, fontSize),\n boxWidth = _getBoxSize2.boxWidth,\n boxHeight = _getBoxSize2.boxHeight,\n itemHeight = _getBoxSize2.itemHeight;\n\n var drawLegendBox = function drawLegendBox(x, y, legendItem) {\n if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) {\n return;\n }\n\n ctx.save();\n var lineWidth = valueOrDefault(legendItem.lineWidth, 1);\n ctx.fillStyle = valueOrDefault(legendItem.fillStyle, defaultColor);\n ctx.lineCap = valueOrDefault(legendItem.lineCap, 'butt');\n ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, 0);\n ctx.lineJoin = valueOrDefault(legendItem.lineJoin, 'miter');\n ctx.lineWidth = lineWidth;\n ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, defaultColor);\n ctx.setLineDash(valueOrDefault(legendItem.lineDash, []));\n\n if (labelOpts.usePointStyle) {\n var drawOptions = {\n radius: boxHeight * Math.SQRT2 / 2,\n pointStyle: legendItem.pointStyle,\n rotation: legendItem.rotation,\n borderWidth: lineWidth\n };\n var centerX = rtlHelper.xPlus(x, boxWidth / 2);\n var centerY = y + halfFontSize;\n drawPointLegend(ctx, drawOptions, centerX, centerY, labelOpts.pointStyleWidth && boxWidth);\n } else {\n var yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0);\n var xBoxLeft = rtlHelper.leftForLtr(x, boxWidth);\n var borderRadius = toTRBLCorners(legendItem.borderRadius);\n ctx.beginPath();\n\n if (Object.values(borderRadius).some(function (v) {\n return v !== 0;\n })) {\n addRoundedRectPath(ctx, {\n x: xBoxLeft,\n y: yBoxTop,\n w: boxWidth,\n h: boxHeight,\n radius: borderRadius\n });\n } else {\n ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight);\n }\n\n ctx.fill();\n\n if (lineWidth !== 0) {\n ctx.stroke();\n }\n }\n\n ctx.restore();\n };\n\n var fillText = function fillText(x, y, legendItem) {\n renderText(ctx, legendItem.text, x, y + itemHeight / 2, labelFont, {\n strikethrough: legendItem.hidden,\n textAlign: rtlHelper.textAlign(legendItem.textAlign)\n });\n };\n\n var isHorizontal = this.isHorizontal();\n\n var titleHeight = this._computeTitleHeight();\n\n if (isHorizontal) {\n cursor = {\n x: _alignStartEnd(align, this.left + padding, this.right - lineWidths[0]),\n y: this.top + padding + titleHeight,\n line: 0\n };\n } else {\n cursor = {\n x: this.left + padding,\n y: _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height),\n line: 0\n };\n }\n\n overrideTextDirection(this.ctx, opts.textDirection);\n var lineHeight = itemHeight + padding;\n this.legendItems.forEach(function (legendItem, i) {\n ctx.strokeStyle = legendItem.fontColor || fontColor;\n ctx.fillStyle = legendItem.fontColor || fontColor;\n var textWidth = ctx.measureText(legendItem.text).width;\n var textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign));\n var width = boxWidth + halfFontSize + textWidth;\n var x = cursor.x;\n var y = cursor.y;\n rtlHelper.setWidth(_this29.width);\n\n if (isHorizontal) {\n if (i > 0 && x + width + padding > _this29.right) {\n y = cursor.y += lineHeight;\n cursor.line++;\n x = cursor.x = _alignStartEnd(align, _this29.left + padding, _this29.right - lineWidths[cursor.line]);\n }\n } else if (i > 0 && y + lineHeight > _this29.bottom) {\n x = cursor.x = x + columnSizes[cursor.line].width + padding;\n cursor.line++;\n y = cursor.y = _alignStartEnd(align, _this29.top + titleHeight + padding, _this29.bottom - columnSizes[cursor.line].height);\n }\n\n var realX = rtlHelper.x(x);\n drawLegendBox(realX, y, legendItem);\n x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : _this29.right, opts.rtl);\n fillText(rtlHelper.x(x), y, legendItem);\n\n if (isHorizontal) {\n cursor.x += width + padding;\n } else {\n cursor.y += lineHeight;\n }\n });\n restoreTextDirection(this.ctx, opts.textDirection);\n }\n }, {\n key: \"drawTitle\",\n value: function drawTitle() {\n var opts = this.options;\n var titleOpts = opts.title;\n var titleFont = toFont(titleOpts.font);\n var titlePadding = toPadding(titleOpts.padding);\n\n if (!titleOpts.display) {\n return;\n }\n\n var rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width);\n var ctx = this.ctx;\n var position = titleOpts.position;\n var halfFontSize = titleFont.size / 2;\n var topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize;\n var y;\n var left = this.left;\n var maxWidth = this.width;\n\n if (this.isHorizontal()) {\n maxWidth = Math.max.apply(Math, _toConsumableArray(this.lineWidths));\n y = this.top + topPaddingPlusHalfFontSize;\n left = _alignStartEnd(opts.align, left, this.right - maxWidth);\n } else {\n var maxHeight = this.columnSizes.reduce(function (acc, size) {\n return Math.max(acc, size.height);\n }, 0);\n y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight());\n }\n\n var x = _alignStartEnd(position, left, left + maxWidth);\n\n ctx.textAlign = rtlHelper.textAlign(_toLeftRightCenter(position));\n ctx.textBaseline = 'middle';\n ctx.strokeStyle = titleOpts.color;\n ctx.fillStyle = titleOpts.color;\n ctx.font = titleFont.string;\n renderText(ctx, titleOpts.text, x, y, titleFont);\n }\n }, {\n key: \"_computeTitleHeight\",\n value: function _computeTitleHeight() {\n var titleOpts = this.options.title;\n var titleFont = toFont(titleOpts.font);\n var titlePadding = toPadding(titleOpts.padding);\n return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0;\n }\n }, {\n key: \"_getLegendItemAt\",\n value: function _getLegendItemAt(x, y) {\n var i, hitBox, lh;\n\n if (_isBetween(x, this.left, this.right) && _isBetween(y, this.top, this.bottom)) {\n lh = this.legendHitBoxes;\n\n for (i = 0; i < lh.length; ++i) {\n hitBox = lh[i];\n\n if (_isBetween(x, hitBox.left, hitBox.left + hitBox.width) && _isBetween(y, hitBox.top, hitBox.top + hitBox.height)) {\n return this.legendItems[i];\n }\n }\n }\n\n return null;\n }\n }, {\n key: \"handleEvent\",\n value: function handleEvent(e) {\n var opts = this.options;\n\n if (!isListened(e.type, opts)) {\n return;\n }\n\n var hoveredItem = this._getLegendItemAt(e.x, e.y);\n\n if (e.type === 'mousemove' || e.type === 'mouseout') {\n var previous = this._hoveredItem;\n var sameItem = itemsEqual(previous, hoveredItem);\n\n if (previous && !sameItem) {\n callback(opts.onLeave, [e, previous, this], this);\n }\n\n this._hoveredItem = hoveredItem;\n\n if (hoveredItem && !sameItem) {\n callback(opts.onHover, [e, hoveredItem, this], this);\n }\n } else if (hoveredItem) {\n callback(opts.onClick, [e, hoveredItem, this], this);\n }\n }\n }]);\n\n return Legend;\n}(Element);\n\nfunction isListened(type, opts) {\n if ((type === 'mousemove' || type === 'mouseout') && (opts.onHover || opts.onLeave)) {\n return true;\n }\n\n if (opts.onClick && (type === 'click' || type === 'mouseup')) {\n return true;\n }\n\n return false;\n}\n\nvar plugin_legend = {\n id: 'legend',\n _element: Legend,\n start: function start(chart, _args, options) {\n var legend = chart.legend = new Legend({\n ctx: chart.ctx,\n options: options,\n chart: chart\n });\n layouts.configure(chart, legend, options);\n layouts.addBox(chart, legend);\n },\n stop: function stop(chart) {\n layouts.removeBox(chart, chart.legend);\n delete chart.legend;\n },\n beforeUpdate: function beforeUpdate(chart, _args, options) {\n var legend = chart.legend;\n layouts.configure(chart, legend, options);\n legend.options = options;\n },\n afterUpdate: function afterUpdate(chart) {\n var legend = chart.legend;\n legend.buildLabels();\n legend.adjustHitBoxes();\n },\n afterEvent: function afterEvent(chart, args) {\n if (!args.replay) {\n chart.legend.handleEvent(args.event);\n }\n },\n defaults: {\n display: true,\n position: 'top',\n align: 'center',\n fullSize: true,\n reverse: false,\n weight: 1000,\n onClick: function onClick(e, legendItem, legend) {\n var index = legendItem.datasetIndex;\n var ci = legend.chart;\n\n if (ci.isDatasetVisible(index)) {\n ci.hide(index);\n legendItem.hidden = true;\n } else {\n ci.show(index);\n legendItem.hidden = false;\n }\n },\n onHover: null,\n onLeave: null,\n labels: {\n color: function color(ctx) {\n return ctx.chart.options.color;\n },\n boxWidth: 40,\n padding: 10,\n generateLabels: function generateLabels(chart) {\n var datasets = chart.data.datasets;\n var _chart$legend$options = chart.legend.options.labels,\n usePointStyle = _chart$legend$options.usePointStyle,\n pointStyle = _chart$legend$options.pointStyle,\n textAlign = _chart$legend$options.textAlign,\n color = _chart$legend$options.color;\n return chart._getSortedDatasetMetas().map(function (meta) {\n var style = meta.controller.getStyle(usePointStyle ? 0 : undefined);\n var borderWidth = toPadding(style.borderWidth);\n return {\n text: datasets[meta.index].label,\n fillStyle: style.backgroundColor,\n fontColor: color,\n hidden: !meta.visible,\n lineCap: style.borderCapStyle,\n lineDash: style.borderDash,\n lineDashOffset: style.borderDashOffset,\n lineJoin: style.borderJoinStyle,\n lineWidth: (borderWidth.width + borderWidth.height) / 4,\n strokeStyle: style.borderColor,\n pointStyle: pointStyle || style.pointStyle,\n rotation: style.rotation,\n textAlign: textAlign || style.textAlign,\n borderRadius: 0,\n datasetIndex: meta.index\n };\n }, this);\n }\n },\n title: {\n color: function color(ctx) {\n return ctx.chart.options.color;\n },\n display: false,\n position: 'center',\n text: ''\n }\n },\n descriptors: {\n _scriptable: function _scriptable(name) {\n return !name.startsWith('on');\n },\n labels: {\n _scriptable: function _scriptable(name) {\n return !['generateLabels', 'filter', 'sort'].includes(name);\n }\n }\n }\n};\n\nvar Title = /*#__PURE__*/function (_Element7) {\n _inherits(Title, _Element7);\n\n var _super17 = _createSuper(Title);\n\n function Title(config) {\n var _this30;\n\n _classCallCheck(this, Title);\n\n _this30 = _super17.call(this);\n _this30.chart = config.chart;\n _this30.options = config.options;\n _this30.ctx = config.ctx;\n _this30._padding = undefined;\n _this30.top = undefined;\n _this30.bottom = undefined;\n _this30.left = undefined;\n _this30.right = undefined;\n _this30.width = undefined;\n _this30.height = undefined;\n _this30.position = undefined;\n _this30.weight = undefined;\n _this30.fullSize = undefined;\n return _this30;\n }\n\n _createClass(Title, [{\n key: \"update\",\n value: function update(maxWidth, maxHeight) {\n var opts = this.options;\n this.left = 0;\n this.top = 0;\n\n if (!opts.display) {\n this.width = this.height = this.right = this.bottom = 0;\n return;\n }\n\n this.width = this.right = maxWidth;\n this.height = this.bottom = maxHeight;\n var lineCount = isArray(opts.text) ? opts.text.length : 1;\n this._padding = toPadding(opts.padding);\n\n var textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height;\n\n if (this.isHorizontal()) {\n this.height = textSize;\n } else {\n this.width = textSize;\n }\n }\n }, {\n key: \"isHorizontal\",\n value: function isHorizontal() {\n var pos = this.options.position;\n return pos === 'top' || pos === 'bottom';\n }\n }, {\n key: \"_drawArgs\",\n value: function _drawArgs(offset) {\n var top = this.top,\n left = this.left,\n bottom = this.bottom,\n right = this.right,\n options = this.options;\n var align = options.align;\n var rotation = 0;\n var maxWidth, titleX, titleY;\n\n if (this.isHorizontal()) {\n titleX = _alignStartEnd(align, left, right);\n titleY = top + offset;\n maxWidth = right - left;\n } else {\n if (options.position === 'left') {\n titleX = left + offset;\n titleY = _alignStartEnd(align, bottom, top);\n rotation = PI * -0.5;\n } else {\n titleX = right - offset;\n titleY = _alignStartEnd(align, top, bottom);\n rotation = PI * 0.5;\n }\n\n maxWidth = bottom - top;\n }\n\n return {\n titleX: titleX,\n titleY: titleY,\n maxWidth: maxWidth,\n rotation: rotation\n };\n }\n }, {\n key: \"draw\",\n value: function draw() {\n var ctx = this.ctx;\n var opts = this.options;\n\n if (!opts.display) {\n return;\n }\n\n var fontOpts = toFont(opts.font);\n var lineHeight = fontOpts.lineHeight;\n var offset = lineHeight / 2 + this._padding.top;\n\n var _this$_drawArgs = this._drawArgs(offset),\n titleX = _this$_drawArgs.titleX,\n titleY = _this$_drawArgs.titleY,\n maxWidth = _this$_drawArgs.maxWidth,\n rotation = _this$_drawArgs.rotation;\n\n renderText(ctx, opts.text, 0, 0, fontOpts, {\n color: opts.color,\n maxWidth: maxWidth,\n rotation: rotation,\n textAlign: _toLeftRightCenter(opts.align),\n textBaseline: 'middle',\n translation: [titleX, titleY]\n });\n }\n }]);\n\n return Title;\n}(Element);\n\nfunction createTitle(chart, titleOpts) {\n var title = new Title({\n ctx: chart.ctx,\n options: titleOpts,\n chart: chart\n });\n layouts.configure(chart, title, titleOpts);\n layouts.addBox(chart, title);\n chart.titleBlock = title;\n}\n\nvar plugin_title = {\n id: 'title',\n _element: Title,\n start: function start(chart, _args, options) {\n createTitle(chart, options);\n },\n stop: function stop(chart) {\n var titleBlock = chart.titleBlock;\n layouts.removeBox(chart, titleBlock);\n delete chart.titleBlock;\n },\n beforeUpdate: function beforeUpdate(chart, _args, options) {\n var title = chart.titleBlock;\n layouts.configure(chart, title, options);\n title.options = options;\n },\n defaults: {\n align: 'center',\n display: false,\n font: {\n weight: 'bold'\n },\n fullSize: true,\n padding: 10,\n position: 'top',\n text: '',\n weight: 2000\n },\n defaultRoutes: {\n color: 'color'\n },\n descriptors: {\n _scriptable: true,\n _indexable: false\n }\n};\nvar map = new WeakMap();\nvar plugin_subtitle = {\n id: 'subtitle',\n start: function start(chart, _args, options) {\n var title = new Title({\n ctx: chart.ctx,\n options: options,\n chart: chart\n });\n layouts.configure(chart, title, options);\n layouts.addBox(chart, title);\n map.set(chart, title);\n },\n stop: function stop(chart) {\n layouts.removeBox(chart, map.get(chart));\n map[\"delete\"](chart);\n },\n beforeUpdate: function beforeUpdate(chart, _args, options) {\n var title = map.get(chart);\n layouts.configure(chart, title, options);\n title.options = options;\n },\n defaults: {\n align: 'center',\n display: false,\n font: {\n weight: 'normal'\n },\n fullSize: true,\n padding: 0,\n position: 'top',\n text: '',\n weight: 1500\n },\n defaultRoutes: {\n color: 'color'\n },\n descriptors: {\n _scriptable: true,\n _indexable: false\n }\n};\nvar positioners = {\n average: function average(items) {\n if (!items.length) {\n return false;\n }\n\n var i, len;\n var x = 0;\n var y = 0;\n var count = 0;\n\n for (i = 0, len = items.length; i < len; ++i) {\n var el = items[i].element;\n\n if (el && el.hasValue()) {\n var pos = el.tooltipPosition();\n x += pos.x;\n y += pos.y;\n ++count;\n }\n }\n\n return {\n x: x / count,\n y: y / count\n };\n },\n nearest: function nearest(items, eventPosition) {\n if (!items.length) {\n return false;\n }\n\n var x = eventPosition.x;\n var y = eventPosition.y;\n var minDistance = Number.POSITIVE_INFINITY;\n var i, len, nearestElement;\n\n for (i = 0, len = items.length; i < len; ++i) {\n var el = items[i].element;\n\n if (el && el.hasValue()) {\n var center = el.getCenterPoint();\n var d = distanceBetweenPoints(eventPosition, center);\n\n if (d < minDistance) {\n minDistance = d;\n nearestElement = el;\n }\n }\n }\n\n if (nearestElement) {\n var tp = nearestElement.tooltipPosition();\n x = tp.x;\n y = tp.y;\n }\n\n return {\n x: x,\n y: y\n };\n }\n};\n\nfunction pushOrConcat(base, toPush) {\n if (toPush) {\n if (isArray(toPush)) {\n Array.prototype.push.apply(base, toPush);\n } else {\n base.push(toPush);\n }\n }\n\n return base;\n}\n\nfunction splitNewlines(str) {\n if ((typeof str === 'string' || str instanceof String) && str.indexOf('\\n') > -1) {\n return str.split('\\n');\n }\n\n return str;\n}\n\nfunction createTooltipItem(chart, item) {\n var element = item.element,\n datasetIndex = item.datasetIndex,\n index = item.index;\n var controller = chart.getDatasetMeta(datasetIndex).controller;\n\n var _controller$getLabelA = controller.getLabelAndValue(index),\n label = _controller$getLabelA.label,\n value = _controller$getLabelA.value;\n\n return {\n chart: chart,\n label: label,\n parsed: controller.getParsed(index),\n raw: chart.data.datasets[datasetIndex].data[index],\n formattedValue: value,\n dataset: controller.getDataset(),\n dataIndex: index,\n datasetIndex: datasetIndex,\n element: element\n };\n}\n\nfunction getTooltipSize(tooltip, options) {\n var ctx = tooltip.chart.ctx;\n var body = tooltip.body,\n footer = tooltip.footer,\n title = tooltip.title;\n var boxWidth = options.boxWidth,\n boxHeight = options.boxHeight;\n var bodyFont = toFont(options.bodyFont);\n var titleFont = toFont(options.titleFont);\n var footerFont = toFont(options.footerFont);\n var titleLineCount = title.length;\n var footerLineCount = footer.length;\n var bodyLineItemCount = body.length;\n var padding = toPadding(options.padding);\n var height = padding.height;\n var width = 0;\n var combinedBodyLength = body.reduce(function (count, bodyItem) {\n return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length;\n }, 0);\n combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length;\n\n if (titleLineCount) {\n height += titleLineCount * titleFont.lineHeight + (titleLineCount - 1) * options.titleSpacing + options.titleMarginBottom;\n }\n\n if (combinedBodyLength) {\n var bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight;\n height += bodyLineItemCount * bodyLineHeight + (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight + (combinedBodyLength - 1) * options.bodySpacing;\n }\n\n if (footerLineCount) {\n height += options.footerMarginTop + footerLineCount * footerFont.lineHeight + (footerLineCount - 1) * options.footerSpacing;\n }\n\n var widthPadding = 0;\n\n var maxLineWidth = function maxLineWidth(line) {\n width = Math.max(width, ctx.measureText(line).width + widthPadding);\n };\n\n ctx.save();\n ctx.font = titleFont.string;\n each(tooltip.title, maxLineWidth);\n ctx.font = bodyFont.string;\n each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth);\n widthPadding = options.displayColors ? boxWidth + 2 + options.boxPadding : 0;\n each(body, function (bodyItem) {\n each(bodyItem.before, maxLineWidth);\n each(bodyItem.lines, maxLineWidth);\n each(bodyItem.after, maxLineWidth);\n });\n widthPadding = 0;\n ctx.font = footerFont.string;\n each(tooltip.footer, maxLineWidth);\n ctx.restore();\n width += padding.width;\n return {\n width: width,\n height: height\n };\n}\n\nfunction determineYAlign(chart, size) {\n var y = size.y,\n height = size.height;\n\n if (y < height / 2) {\n return 'top';\n } else if (y > chart.height - height / 2) {\n return 'bottom';\n }\n\n return 'center';\n}\n\nfunction doesNotFitWithAlign(xAlign, chart, options, size) {\n var x = size.x,\n width = size.width;\n var caret = options.caretSize + options.caretPadding;\n\n if (xAlign === 'left' && x + width + caret > chart.width) {\n return true;\n }\n\n if (xAlign === 'right' && x - width - caret < 0) {\n return true;\n }\n}\n\nfunction determineXAlign(chart, options, size, yAlign) {\n var x = size.x,\n width = size.width;\n var chartWidth = chart.width,\n _chart$chartArea = chart.chartArea,\n left = _chart$chartArea.left,\n right = _chart$chartArea.right;\n var xAlign = 'center';\n\n if (yAlign === 'center') {\n xAlign = x <= (left + right) / 2 ? 'left' : 'right';\n } else if (x <= width / 2) {\n xAlign = 'left';\n } else if (x >= chartWidth - width / 2) {\n xAlign = 'right';\n }\n\n if (doesNotFitWithAlign(xAlign, chart, options, size)) {\n xAlign = 'center';\n }\n\n return xAlign;\n}\n\nfunction determineAlignment(chart, options, size) {\n var yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size);\n return {\n xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign),\n yAlign: yAlign\n };\n}\n\nfunction alignX(size, xAlign) {\n var x = size.x,\n width = size.width;\n\n if (xAlign === 'right') {\n x -= width;\n } else if (xAlign === 'center') {\n x -= width / 2;\n }\n\n return x;\n}\n\nfunction alignY(size, yAlign, paddingAndSize) {\n var y = size.y,\n height = size.height;\n\n if (yAlign === 'top') {\n y += paddingAndSize;\n } else if (yAlign === 'bottom') {\n y -= height + paddingAndSize;\n } else {\n y -= height / 2;\n }\n\n return y;\n}\n\nfunction getBackgroundPoint(options, size, alignment, chart) {\n var caretSize = options.caretSize,\n caretPadding = options.caretPadding,\n cornerRadius = options.cornerRadius;\n var xAlign = alignment.xAlign,\n yAlign = alignment.yAlign;\n var paddingAndSize = caretSize + caretPadding;\n\n var _toTRBLCorners = toTRBLCorners(cornerRadius),\n topLeft = _toTRBLCorners.topLeft,\n topRight = _toTRBLCorners.topRight,\n bottomLeft = _toTRBLCorners.bottomLeft,\n bottomRight = _toTRBLCorners.bottomRight;\n\n var x = alignX(size, xAlign);\n var y = alignY(size, yAlign, paddingAndSize);\n\n if (yAlign === 'center') {\n if (xAlign === 'left') {\n x += paddingAndSize;\n } else if (xAlign === 'right') {\n x -= paddingAndSize;\n }\n } else if (xAlign === 'left') {\n x -= Math.max(topLeft, bottomLeft) + caretSize;\n } else if (xAlign === 'right') {\n x += Math.max(topRight, bottomRight) + caretSize;\n }\n\n return {\n x: _limitValue(x, 0, chart.width - size.width),\n y: _limitValue(y, 0, chart.height - size.height)\n };\n}\n\nfunction getAlignedX(tooltip, align, options) {\n var padding = toPadding(options.padding);\n return align === 'center' ? tooltip.x + tooltip.width / 2 : align === 'right' ? tooltip.x + tooltip.width - padding.right : tooltip.x + padding.left;\n}\n\nfunction getBeforeAfterBodyLines(callback) {\n return pushOrConcat([], splitNewlines(callback));\n}\n\nfunction createTooltipContext(parent, tooltip, tooltipItems) {\n return createContext(parent, {\n tooltip: tooltip,\n tooltipItems: tooltipItems,\n type: 'tooltip'\n });\n}\n\nfunction overrideCallbacks(callbacks, context) {\n var override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks;\n return override ? callbacks.override(override) : callbacks;\n}\n\nvar Tooltip = /*#__PURE__*/function (_Element8) {\n _inherits(Tooltip, _Element8);\n\n var _super18 = _createSuper(Tooltip);\n\n function Tooltip(config) {\n var _this31;\n\n _classCallCheck(this, Tooltip);\n\n _this31 = _super18.call(this);\n _this31.opacity = 0;\n _this31._active = [];\n _this31._eventPosition = undefined;\n _this31._size = undefined;\n _this31._cachedAnimations = undefined;\n _this31._tooltipItems = [];\n _this31.$animations = undefined;\n _this31.$context = undefined;\n _this31.chart = config.chart || config._chart;\n _this31._chart = _this31.chart;\n _this31.options = config.options;\n _this31.dataPoints = undefined;\n _this31.title = undefined;\n _this31.beforeBody = undefined;\n _this31.body = undefined;\n _this31.afterBody = undefined;\n _this31.footer = undefined;\n _this31.xAlign = undefined;\n _this31.yAlign = undefined;\n _this31.x = undefined;\n _this31.y = undefined;\n _this31.height = undefined;\n _this31.width = undefined;\n _this31.caretX = undefined;\n _this31.caretY = undefined;\n _this31.labelColors = undefined;\n _this31.labelPointStyles = undefined;\n _this31.labelTextColors = undefined;\n return _this31;\n }\n\n _createClass(Tooltip, [{\n key: \"initialize\",\n value: function initialize(options) {\n this.options = options;\n this._cachedAnimations = undefined;\n this.$context = undefined;\n }\n }, {\n key: \"_resolveAnimations\",\n value: function _resolveAnimations() {\n var cached = this._cachedAnimations;\n\n if (cached) {\n return cached;\n }\n\n var chart = this.chart;\n var options = this.options.setContext(this.getContext());\n var opts = options.enabled && chart.options.animation && options.animations;\n var animations = new Animations(this.chart, opts);\n\n if (opts._cacheable) {\n this._cachedAnimations = Object.freeze(animations);\n }\n\n return animations;\n }\n }, {\n key: \"getContext\",\n value: function getContext() {\n return this.$context || (this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems));\n }\n }, {\n key: \"getTitle\",\n value: function getTitle(context, options) {\n var callbacks = options.callbacks;\n var beforeTitle = callbacks.beforeTitle.apply(this, [context]);\n var title = callbacks.title.apply(this, [context]);\n var afterTitle = callbacks.afterTitle.apply(this, [context]);\n var lines = [];\n lines = pushOrConcat(lines, splitNewlines(beforeTitle));\n lines = pushOrConcat(lines, splitNewlines(title));\n lines = pushOrConcat(lines, splitNewlines(afterTitle));\n return lines;\n }\n }, {\n key: \"getBeforeBody\",\n value: function getBeforeBody(tooltipItems, options) {\n return getBeforeAfterBodyLines(options.callbacks.beforeBody.apply(this, [tooltipItems]));\n }\n }, {\n key: \"getBody\",\n value: function getBody(tooltipItems, options) {\n var _this32 = this;\n\n var callbacks = options.callbacks;\n var bodyItems = [];\n each(tooltipItems, function (context) {\n var bodyItem = {\n before: [],\n lines: [],\n after: []\n };\n var scoped = overrideCallbacks(callbacks, context);\n pushOrConcat(bodyItem.before, splitNewlines(scoped.beforeLabel.call(_this32, context)));\n pushOrConcat(bodyItem.lines, scoped.label.call(_this32, context));\n pushOrConcat(bodyItem.after, splitNewlines(scoped.afterLabel.call(_this32, context)));\n bodyItems.push(bodyItem);\n });\n return bodyItems;\n }\n }, {\n key: \"getAfterBody\",\n value: function getAfterBody(tooltipItems, options) {\n return getBeforeAfterBodyLines(options.callbacks.afterBody.apply(this, [tooltipItems]));\n }\n }, {\n key: \"getFooter\",\n value: function getFooter(tooltipItems, options) {\n var callbacks = options.callbacks;\n var beforeFooter = callbacks.beforeFooter.apply(this, [tooltipItems]);\n var footer = callbacks.footer.apply(this, [tooltipItems]);\n var afterFooter = callbacks.afterFooter.apply(this, [tooltipItems]);\n var lines = [];\n lines = pushOrConcat(lines, splitNewlines(beforeFooter));\n lines = pushOrConcat(lines, splitNewlines(footer));\n lines = pushOrConcat(lines, splitNewlines(afterFooter));\n return lines;\n }\n }, {\n key: \"_createItems\",\n value: function _createItems(options) {\n var _this33 = this;\n\n var active = this._active;\n var data = this.chart.data;\n var labelColors = [];\n var labelPointStyles = [];\n var labelTextColors = [];\n var tooltipItems = [];\n var i, len;\n\n for (i = 0, len = active.length; i < len; ++i) {\n tooltipItems.push(createTooltipItem(this.chart, active[i]));\n }\n\n if (options.filter) {\n tooltipItems = tooltipItems.filter(function (element, index, array) {\n return options.filter(element, index, array, data);\n });\n }\n\n if (options.itemSort) {\n tooltipItems = tooltipItems.sort(function (a, b) {\n return options.itemSort(a, b, data);\n });\n }\n\n each(tooltipItems, function (context) {\n var scoped = overrideCallbacks(options.callbacks, context);\n labelColors.push(scoped.labelColor.call(_this33, context));\n labelPointStyles.push(scoped.labelPointStyle.call(_this33, context));\n labelTextColors.push(scoped.labelTextColor.call(_this33, context));\n });\n this.labelColors = labelColors;\n this.labelPointStyles = labelPointStyles;\n this.labelTextColors = labelTextColors;\n this.dataPoints = tooltipItems;\n return tooltipItems;\n }\n }, {\n key: \"update\",\n value: function update(changed, replay) {\n var options = this.options.setContext(this.getContext());\n var active = this._active;\n var properties;\n var tooltipItems = [];\n\n if (!active.length) {\n if (this.opacity !== 0) {\n properties = {\n opacity: 0\n };\n }\n } else {\n var position = positioners[options.position].call(this, active, this._eventPosition);\n tooltipItems = this._createItems(options);\n this.title = this.getTitle(tooltipItems, options);\n this.beforeBody = this.getBeforeBody(tooltipItems, options);\n this.body = this.getBody(tooltipItems, options);\n this.afterBody = this.getAfterBody(tooltipItems, options);\n this.footer = this.getFooter(tooltipItems, options);\n var size = this._size = getTooltipSize(this, options);\n var positionAndSize = Object.assign({}, position, size);\n var alignment = determineAlignment(this.chart, options, positionAndSize);\n var backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart);\n this.xAlign = alignment.xAlign;\n this.yAlign = alignment.yAlign;\n properties = {\n opacity: 1,\n x: backgroundPoint.x,\n y: backgroundPoint.y,\n width: size.width,\n height: size.height,\n caretX: position.x,\n caretY: position.y\n };\n }\n\n this._tooltipItems = tooltipItems;\n this.$context = undefined;\n\n if (properties) {\n this._resolveAnimations().update(this, properties);\n }\n\n if (changed && options.external) {\n options.external.call(this, {\n chart: this.chart,\n tooltip: this,\n replay: replay\n });\n }\n }\n }, {\n key: \"drawCaret\",\n value: function drawCaret(tooltipPoint, ctx, size, options) {\n var caretPosition = this.getCaretPosition(tooltipPoint, size, options);\n ctx.lineTo(caretPosition.x1, caretPosition.y1);\n ctx.lineTo(caretPosition.x2, caretPosition.y2);\n ctx.lineTo(caretPosition.x3, caretPosition.y3);\n }\n }, {\n key: \"getCaretPosition\",\n value: function getCaretPosition(tooltipPoint, size, options) {\n var xAlign = this.xAlign,\n yAlign = this.yAlign;\n var caretSize = options.caretSize,\n cornerRadius = options.cornerRadius;\n\n var _toTRBLCorners2 = toTRBLCorners(cornerRadius),\n topLeft = _toTRBLCorners2.topLeft,\n topRight = _toTRBLCorners2.topRight,\n bottomLeft = _toTRBLCorners2.bottomLeft,\n bottomRight = _toTRBLCorners2.bottomRight;\n\n var ptX = tooltipPoint.x,\n ptY = tooltipPoint.y;\n var width = size.width,\n height = size.height;\n var x1, x2, x3, y1, y2, y3;\n\n if (yAlign === 'center') {\n y2 = ptY + height / 2;\n\n if (xAlign === 'left') {\n x1 = ptX;\n x2 = x1 - caretSize;\n y1 = y2 + caretSize;\n y3 = y2 - caretSize;\n } else {\n x1 = ptX + width;\n x2 = x1 + caretSize;\n y1 = y2 - caretSize;\n y3 = y2 + caretSize;\n }\n\n x3 = x1;\n } else {\n if (xAlign === 'left') {\n x2 = ptX + Math.max(topLeft, bottomLeft) + caretSize;\n } else if (xAlign === 'right') {\n x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize;\n } else {\n x2 = this.caretX;\n }\n\n if (yAlign === 'top') {\n y1 = ptY;\n y2 = y1 - caretSize;\n x1 = x2 - caretSize;\n x3 = x2 + caretSize;\n } else {\n y1 = ptY + height;\n y2 = y1 + caretSize;\n x1 = x2 + caretSize;\n x3 = x2 - caretSize;\n }\n\n y3 = y1;\n }\n\n return {\n x1: x1,\n x2: x2,\n x3: x3,\n y1: y1,\n y2: y2,\n y3: y3\n };\n }\n }, {\n key: \"drawTitle\",\n value: function drawTitle(pt, ctx, options) {\n var title = this.title;\n var length = title.length;\n var titleFont, titleSpacing, i;\n\n if (length) {\n var rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);\n pt.x = getAlignedX(this, options.titleAlign, options);\n ctx.textAlign = rtlHelper.textAlign(options.titleAlign);\n ctx.textBaseline = 'middle';\n titleFont = toFont(options.titleFont);\n titleSpacing = options.titleSpacing;\n ctx.fillStyle = options.titleColor;\n ctx.font = titleFont.string;\n\n for (i = 0; i < length; ++i) {\n ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2);\n pt.y += titleFont.lineHeight + titleSpacing;\n\n if (i + 1 === length) {\n pt.y += options.titleMarginBottom - titleSpacing;\n }\n }\n }\n }\n }, {\n key: \"_drawColorBox\",\n value: function _drawColorBox(ctx, pt, i, rtlHelper, options) {\n var labelColors = this.labelColors[i];\n var labelPointStyle = this.labelPointStyles[i];\n var boxHeight = options.boxHeight,\n boxWidth = options.boxWidth,\n boxPadding = options.boxPadding;\n var bodyFont = toFont(options.bodyFont);\n var colorX = getAlignedX(this, 'left', options);\n var rtlColorX = rtlHelper.x(colorX);\n var yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0;\n var colorY = pt.y + yOffSet;\n\n if (options.usePointStyle) {\n var drawOptions = {\n radius: Math.min(boxWidth, boxHeight) / 2,\n pointStyle: labelPointStyle.pointStyle,\n rotation: labelPointStyle.rotation,\n borderWidth: 1\n };\n var centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2;\n var centerY = colorY + boxHeight / 2;\n ctx.strokeStyle = options.multiKeyBackground;\n ctx.fillStyle = options.multiKeyBackground;\n drawPoint(ctx, drawOptions, centerX, centerY);\n ctx.strokeStyle = labelColors.borderColor;\n ctx.fillStyle = labelColors.backgroundColor;\n drawPoint(ctx, drawOptions, centerX, centerY);\n } else {\n ctx.lineWidth = isObject(labelColors.borderWidth) ? Math.max.apply(Math, _toConsumableArray(Object.values(labelColors.borderWidth))) : labelColors.borderWidth || 1;\n ctx.strokeStyle = labelColors.borderColor;\n ctx.setLineDash(labelColors.borderDash || []);\n ctx.lineDashOffset = labelColors.borderDashOffset || 0;\n var outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth - boxPadding);\n var innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - boxPadding - 2);\n var borderRadius = toTRBLCorners(labelColors.borderRadius);\n\n if (Object.values(borderRadius).some(function (v) {\n return v !== 0;\n })) {\n ctx.beginPath();\n ctx.fillStyle = options.multiKeyBackground;\n addRoundedRectPath(ctx, {\n x: outerX,\n y: colorY,\n w: boxWidth,\n h: boxHeight,\n radius: borderRadius\n });\n ctx.fill();\n ctx.stroke();\n ctx.fillStyle = labelColors.backgroundColor;\n ctx.beginPath();\n addRoundedRectPath(ctx, {\n x: innerX,\n y: colorY + 1,\n w: boxWidth - 2,\n h: boxHeight - 2,\n radius: borderRadius\n });\n ctx.fill();\n } else {\n ctx.fillStyle = options.multiKeyBackground;\n ctx.fillRect(outerX, colorY, boxWidth, boxHeight);\n ctx.strokeRect(outerX, colorY, boxWidth, boxHeight);\n ctx.fillStyle = labelColors.backgroundColor;\n ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2);\n }\n }\n\n ctx.fillStyle = this.labelTextColors[i];\n }\n }, {\n key: \"drawBody\",\n value: function drawBody(pt, ctx, options) {\n var body = this.body;\n var bodySpacing = options.bodySpacing,\n bodyAlign = options.bodyAlign,\n displayColors = options.displayColors,\n boxHeight = options.boxHeight,\n boxWidth = options.boxWidth,\n boxPadding = options.boxPadding;\n var bodyFont = toFont(options.bodyFont);\n var bodyLineHeight = bodyFont.lineHeight;\n var xLinePadding = 0;\n var rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);\n\n var fillLineOfText = function fillLineOfText(line) {\n ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2);\n pt.y += bodyLineHeight + bodySpacing;\n };\n\n var bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign);\n var bodyItem, textColor, lines, i, j, ilen, jlen;\n ctx.textAlign = bodyAlign;\n ctx.textBaseline = 'middle';\n ctx.font = bodyFont.string;\n pt.x = getAlignedX(this, bodyAlignForCalculation, options);\n ctx.fillStyle = options.bodyColor;\n each(this.beforeBody, fillLineOfText);\n xLinePadding = displayColors && bodyAlignForCalculation !== 'right' ? bodyAlign === 'center' ? boxWidth / 2 + boxPadding : boxWidth + 2 + boxPadding : 0;\n\n for (i = 0, ilen = body.length; i < ilen; ++i) {\n bodyItem = body[i];\n textColor = this.labelTextColors[i];\n ctx.fillStyle = textColor;\n each(bodyItem.before, fillLineOfText);\n lines = bodyItem.lines;\n\n if (displayColors && lines.length) {\n this._drawColorBox(ctx, pt, i, rtlHelper, options);\n\n bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight);\n }\n\n for (j = 0, jlen = lines.length; j < jlen; ++j) {\n fillLineOfText(lines[j]);\n bodyLineHeight = bodyFont.lineHeight;\n }\n\n each(bodyItem.after, fillLineOfText);\n }\n\n xLinePadding = 0;\n bodyLineHeight = bodyFont.lineHeight;\n each(this.afterBody, fillLineOfText);\n pt.y -= bodySpacing;\n }\n }, {\n key: \"drawFooter\",\n value: function drawFooter(pt, ctx, options) {\n var footer = this.footer;\n var length = footer.length;\n var footerFont, i;\n\n if (length) {\n var rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);\n pt.x = getAlignedX(this, options.footerAlign, options);\n pt.y += options.footerMarginTop;\n ctx.textAlign = rtlHelper.textAlign(options.footerAlign);\n ctx.textBaseline = 'middle';\n footerFont = toFont(options.footerFont);\n ctx.fillStyle = options.footerColor;\n ctx.font = footerFont.string;\n\n for (i = 0; i < length; ++i) {\n ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2);\n pt.y += footerFont.lineHeight + options.footerSpacing;\n }\n }\n }\n }, {\n key: \"drawBackground\",\n value: function drawBackground(pt, ctx, tooltipSize, options) {\n var xAlign = this.xAlign,\n yAlign = this.yAlign;\n var x = pt.x,\n y = pt.y;\n var width = tooltipSize.width,\n height = tooltipSize.height;\n\n var _toTRBLCorners3 = toTRBLCorners(options.cornerRadius),\n topLeft = _toTRBLCorners3.topLeft,\n topRight = _toTRBLCorners3.topRight,\n bottomLeft = _toTRBLCorners3.bottomLeft,\n bottomRight = _toTRBLCorners3.bottomRight;\n\n ctx.fillStyle = options.backgroundColor;\n ctx.strokeStyle = options.borderColor;\n ctx.lineWidth = options.borderWidth;\n ctx.beginPath();\n ctx.moveTo(x + topLeft, y);\n\n if (yAlign === 'top') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n\n ctx.lineTo(x + width - topRight, y);\n ctx.quadraticCurveTo(x + width, y, x + width, y + topRight);\n\n if (yAlign === 'center' && xAlign === 'right') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n\n ctx.lineTo(x + width, y + height - bottomRight);\n ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height);\n\n if (yAlign === 'bottom') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n\n ctx.lineTo(x + bottomLeft, y + height);\n ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft);\n\n if (yAlign === 'center' && xAlign === 'left') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n\n ctx.lineTo(x, y + topLeft);\n ctx.quadraticCurveTo(x, y, x + topLeft, y);\n ctx.closePath();\n ctx.fill();\n\n if (options.borderWidth > 0) {\n ctx.stroke();\n }\n }\n }, {\n key: \"_updateAnimationTarget\",\n value: function _updateAnimationTarget(options) {\n var chart = this.chart;\n var anims = this.$animations;\n var animX = anims && anims.x;\n var animY = anims && anims.y;\n\n if (animX || animY) {\n var position = positioners[options.position].call(this, this._active, this._eventPosition);\n\n if (!position) {\n return;\n }\n\n var size = this._size = getTooltipSize(this, options);\n var positionAndSize = Object.assign({}, position, this._size);\n var alignment = determineAlignment(chart, options, positionAndSize);\n var point = getBackgroundPoint(options, positionAndSize, alignment, chart);\n\n if (animX._to !== point.x || animY._to !== point.y) {\n this.xAlign = alignment.xAlign;\n this.yAlign = alignment.yAlign;\n this.width = size.width;\n this.height = size.height;\n this.caretX = position.x;\n this.caretY = position.y;\n\n this._resolveAnimations().update(this, point);\n }\n }\n }\n }, {\n key: \"_willRender\",\n value: function _willRender() {\n return !!this.opacity;\n }\n }, {\n key: \"draw\",\n value: function draw(ctx) {\n var options = this.options.setContext(this.getContext());\n var opacity = this.opacity;\n\n if (!opacity) {\n return;\n }\n\n this._updateAnimationTarget(options);\n\n var tooltipSize = {\n width: this.width,\n height: this.height\n };\n var pt = {\n x: this.x,\n y: this.y\n };\n opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity;\n var padding = toPadding(options.padding);\n var hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length;\n\n if (options.enabled && hasTooltipContent) {\n ctx.save();\n ctx.globalAlpha = opacity;\n this.drawBackground(pt, ctx, tooltipSize, options);\n overrideTextDirection(ctx, options.textDirection);\n pt.y += padding.top;\n this.drawTitle(pt, ctx, options);\n this.drawBody(pt, ctx, options);\n this.drawFooter(pt, ctx, options);\n restoreTextDirection(ctx, options.textDirection);\n ctx.restore();\n }\n }\n }, {\n key: \"getActiveElements\",\n value: function getActiveElements() {\n return this._active || [];\n }\n }, {\n key: \"setActiveElements\",\n value: function setActiveElements(activeElements, eventPosition) {\n var _this34 = this;\n\n var lastActive = this._active;\n var active = activeElements.map(function (_ref18) {\n var datasetIndex = _ref18.datasetIndex,\n index = _ref18.index;\n\n var meta = _this34.chart.getDatasetMeta(datasetIndex);\n\n if (!meta) {\n throw new Error('Cannot find a dataset at index ' + datasetIndex);\n }\n\n return {\n datasetIndex: datasetIndex,\n element: meta.data[index],\n index: index\n };\n });\n var changed = !_elementsEqual(lastActive, active);\n\n var positionChanged = this._positionChanged(active, eventPosition);\n\n if (changed || positionChanged) {\n this._active = active;\n this._eventPosition = eventPosition;\n this._ignoreReplayEvents = true;\n this.update(true);\n }\n }\n }, {\n key: \"handleEvent\",\n value: function handleEvent(e, replay) {\n var inChartArea = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;\n\n if (replay && this._ignoreReplayEvents) {\n return false;\n }\n\n this._ignoreReplayEvents = false;\n var options = this.options;\n var lastActive = this._active || [];\n\n var active = this._getActiveElements(e, lastActive, replay, inChartArea);\n\n var positionChanged = this._positionChanged(active, e);\n\n var changed = replay || !_elementsEqual(active, lastActive) || positionChanged;\n\n if (changed) {\n this._active = active;\n\n if (options.enabled || options.external) {\n this._eventPosition = {\n x: e.x,\n y: e.y\n };\n this.update(true, replay);\n }\n }\n\n return changed;\n }\n }, {\n key: \"_getActiveElements\",\n value: function _getActiveElements(e, lastActive, replay, inChartArea) {\n var options = this.options;\n\n if (e.type === 'mouseout') {\n return [];\n }\n\n if (!inChartArea) {\n return lastActive;\n }\n\n var active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay);\n\n if (options.reverse) {\n active.reverse();\n }\n\n return active;\n }\n }, {\n key: \"_positionChanged\",\n value: function _positionChanged(active, e) {\n var caretX = this.caretX,\n caretY = this.caretY,\n options = this.options;\n var position = positioners[options.position].call(this, active, e);\n return position !== false && (caretX !== position.x || caretY !== position.y);\n }\n }]);\n\n return Tooltip;\n}(Element);\n\nTooltip.positioners = positioners;\nvar plugin_tooltip = {\n id: 'tooltip',\n _element: Tooltip,\n positioners: positioners,\n afterInit: function afterInit(chart, _args, options) {\n if (options) {\n chart.tooltip = new Tooltip({\n chart: chart,\n options: options\n });\n }\n },\n beforeUpdate: function beforeUpdate(chart, _args, options) {\n if (chart.tooltip) {\n chart.tooltip.initialize(options);\n }\n },\n reset: function reset(chart, _args, options) {\n if (chart.tooltip) {\n chart.tooltip.initialize(options);\n }\n },\n afterDraw: function afterDraw(chart) {\n var tooltip = chart.tooltip;\n\n if (tooltip && tooltip._willRender()) {\n var args = {\n tooltip: tooltip\n };\n\n if (chart.notifyPlugins('beforeTooltipDraw', args) === false) {\n return;\n }\n\n tooltip.draw(chart.ctx);\n chart.notifyPlugins('afterTooltipDraw', args);\n }\n },\n afterEvent: function afterEvent(chart, args) {\n if (chart.tooltip) {\n var useFinalPosition = args.replay;\n\n if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) {\n args.changed = true;\n }\n }\n },\n defaults: {\n enabled: true,\n external: null,\n position: 'average',\n backgroundColor: 'rgba(0,0,0,0.8)',\n titleColor: '#fff',\n titleFont: {\n weight: 'bold'\n },\n titleSpacing: 2,\n titleMarginBottom: 6,\n titleAlign: 'left',\n bodyColor: '#fff',\n bodySpacing: 2,\n bodyFont: {},\n bodyAlign: 'left',\n footerColor: '#fff',\n footerSpacing: 2,\n footerMarginTop: 6,\n footerFont: {\n weight: 'bold'\n },\n footerAlign: 'left',\n padding: 6,\n caretPadding: 2,\n caretSize: 5,\n cornerRadius: 6,\n boxHeight: function boxHeight(ctx, opts) {\n return opts.bodyFont.size;\n },\n boxWidth: function boxWidth(ctx, opts) {\n return opts.bodyFont.size;\n },\n multiKeyBackground: '#fff',\n displayColors: true,\n boxPadding: 0,\n borderColor: 'rgba(0,0,0,0)',\n borderWidth: 0,\n animation: {\n duration: 400,\n easing: 'easeOutQuart'\n },\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'width', 'height', 'caretX', 'caretY']\n },\n opacity: {\n easing: 'linear',\n duration: 200\n }\n },\n callbacks: {\n beforeTitle: noop,\n title: function title(tooltipItems) {\n if (tooltipItems.length > 0) {\n var item = tooltipItems[0];\n var labels = item.chart.data.labels;\n var labelCount = labels ? labels.length : 0;\n\n if (this && this.options && this.options.mode === 'dataset') {\n return item.dataset.label || '';\n } else if (item.label) {\n return item.label;\n } else if (labelCount > 0 && item.dataIndex < labelCount) {\n return labels[item.dataIndex];\n }\n }\n\n return '';\n },\n afterTitle: noop,\n beforeBody: noop,\n beforeLabel: noop,\n label: function label(tooltipItem) {\n if (this && this.options && this.options.mode === 'dataset') {\n return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue;\n }\n\n var label = tooltipItem.dataset.label || '';\n\n if (label) {\n label += ': ';\n }\n\n var value = tooltipItem.formattedValue;\n\n if (!isNullOrUndef(value)) {\n label += value;\n }\n\n return label;\n },\n labelColor: function labelColor(tooltipItem) {\n var meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex);\n var options = meta.controller.getStyle(tooltipItem.dataIndex);\n return {\n borderColor: options.borderColor,\n backgroundColor: options.backgroundColor,\n borderWidth: options.borderWidth,\n borderDash: options.borderDash,\n borderDashOffset: options.borderDashOffset,\n borderRadius: 0\n };\n },\n labelTextColor: function labelTextColor() {\n return this.options.bodyColor;\n },\n labelPointStyle: function labelPointStyle(tooltipItem) {\n var meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex);\n var options = meta.controller.getStyle(tooltipItem.dataIndex);\n return {\n pointStyle: options.pointStyle,\n rotation: options.rotation\n };\n },\n afterLabel: noop,\n afterBody: noop,\n beforeFooter: noop,\n footer: noop,\n afterFooter: noop\n }\n },\n defaultRoutes: {\n bodyFont: 'font',\n footerFont: 'font',\n titleFont: 'font'\n },\n descriptors: {\n _scriptable: function _scriptable(name) {\n return name !== 'filter' && name !== 'itemSort' && name !== 'external';\n },\n _indexable: false,\n callbacks: {\n _scriptable: false,\n _indexable: false\n },\n animation: {\n _fallback: false\n },\n animations: {\n _fallback: 'animation'\n }\n },\n additionalOptionScopes: ['interaction']\n};\nvar plugins = /*#__PURE__*/Object.freeze({\n __proto__: null,\n Decimation: plugin_decimation,\n Filler: index,\n Legend: plugin_legend,\n SubTitle: plugin_subtitle,\n Title: plugin_title,\n Tooltip: plugin_tooltip\n});\n\nvar addIfString = function addIfString(labels, raw, index, addedLabels) {\n if (typeof raw === 'string') {\n index = labels.push(raw) - 1;\n addedLabels.unshift({\n index: index,\n label: raw\n });\n } else if (isNaN(raw)) {\n index = null;\n }\n\n return index;\n};\n\nfunction findOrAddLabel(labels, raw, index, addedLabels) {\n var first = labels.indexOf(raw);\n\n if (first === -1) {\n return addIfString(labels, raw, index, addedLabels);\n }\n\n var last = labels.lastIndexOf(raw);\n return first !== last ? index : first;\n}\n\nvar validIndex = function validIndex(index, max) {\n return index === null ? null : _limitValue(Math.round(index), 0, max);\n};\n\nvar CategoryScale = /*#__PURE__*/function (_Scale) {\n _inherits(CategoryScale, _Scale);\n\n var _super19 = _createSuper(CategoryScale);\n\n function CategoryScale(cfg) {\n var _this35;\n\n _classCallCheck(this, CategoryScale);\n\n _this35 = _super19.call(this, cfg);\n _this35._startValue = undefined;\n _this35._valueRange = 0;\n _this35._addedLabels = [];\n return _this35;\n }\n\n _createClass(CategoryScale, [{\n key: \"init\",\n value: function init(scaleOptions) {\n var added = this._addedLabels;\n\n if (added.length) {\n var labels = this.getLabels();\n\n var _iterator25 = _createForOfIteratorHelper(added),\n _step25;\n\n try {\n for (_iterator25.s(); !(_step25 = _iterator25.n()).done;) {\n var _ref20 = _step25.value;\n var _index3 = _ref20.index;\n var label = _ref20.label;\n\n if (labels[_index3] === label) {\n labels.splice(_index3, 1);\n }\n }\n } catch (err) {\n _iterator25.e(err);\n } finally {\n _iterator25.f();\n }\n\n this._addedLabels = [];\n }\n\n _get(_getPrototypeOf(CategoryScale.prototype), \"init\", this).call(this, scaleOptions);\n }\n }, {\n key: \"parse\",\n value: function parse(raw, index) {\n if (isNullOrUndef(raw)) {\n return null;\n }\n\n var labels = this.getLabels();\n index = isFinite(index) && labels[index] === raw ? index : findOrAddLabel(labels, raw, valueOrDefault(index, raw), this._addedLabels);\n return validIndex(index, labels.length - 1);\n }\n }, {\n key: \"determineDataLimits\",\n value: function determineDataLimits() {\n var _this$getUserBounds2 = this.getUserBounds(),\n minDefined = _this$getUserBounds2.minDefined,\n maxDefined = _this$getUserBounds2.maxDefined;\n\n var _this$getMinMax = this.getMinMax(true),\n min = _this$getMinMax.min,\n max = _this$getMinMax.max;\n\n if (this.options.bounds === 'ticks') {\n if (!minDefined) {\n min = 0;\n }\n\n if (!maxDefined) {\n max = this.getLabels().length - 1;\n }\n }\n\n this.min = min;\n this.max = max;\n }\n }, {\n key: \"buildTicks\",\n value: function buildTicks() {\n var min = this.min;\n var max = this.max;\n var offset = this.options.offset;\n var ticks = [];\n var labels = this.getLabels();\n labels = min === 0 && max === labels.length - 1 ? labels : labels.slice(min, max + 1);\n this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1);\n this._startValue = this.min - (offset ? 0.5 : 0);\n\n for (var value = min; value <= max; value++) {\n ticks.push({\n value: value\n });\n }\n\n return ticks;\n }\n }, {\n key: \"getLabelForValue\",\n value: function getLabelForValue(value) {\n var labels = this.getLabels();\n\n if (value >= 0 && value < labels.length) {\n return labels[value];\n }\n\n return value;\n }\n }, {\n key: \"configure\",\n value: function configure() {\n _get(_getPrototypeOf(CategoryScale.prototype), \"configure\", this).call(this);\n\n if (!this.isHorizontal()) {\n this._reversePixels = !this._reversePixels;\n }\n }\n }, {\n key: \"getPixelForValue\",\n value: function getPixelForValue(value) {\n if (typeof value !== 'number') {\n value = this.parse(value);\n }\n\n return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange);\n }\n }, {\n key: \"getPixelForTick\",\n value: function getPixelForTick(index) {\n var ticks = this.ticks;\n\n if (index < 0 || index > ticks.length - 1) {\n return null;\n }\n\n return this.getPixelForValue(ticks[index].value);\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {\n return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange);\n }\n }, {\n key: \"getBasePixel\",\n value: function getBasePixel() {\n return this.bottom;\n }\n }]);\n\n return CategoryScale;\n}(Scale);\n\nCategoryScale.id = 'category';\nCategoryScale.defaults = {\n ticks: {\n callback: CategoryScale.prototype.getLabelForValue\n }\n};\n\nfunction generateTicks$1(generationOptions, dataRange) {\n var ticks = [];\n var MIN_SPACING = 1e-14;\n var bounds = generationOptions.bounds,\n step = generationOptions.step,\n min = generationOptions.min,\n max = generationOptions.max,\n precision = generationOptions.precision,\n count = generationOptions.count,\n maxTicks = generationOptions.maxTicks,\n maxDigits = generationOptions.maxDigits,\n includeBounds = generationOptions.includeBounds;\n var unit = step || 1;\n var maxSpaces = maxTicks - 1;\n var rmin = dataRange.min,\n rmax = dataRange.max;\n var minDefined = !isNullOrUndef(min);\n var maxDefined = !isNullOrUndef(max);\n var countDefined = !isNullOrUndef(count);\n var minSpacing = (rmax - rmin) / (maxDigits + 1);\n var spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit;\n var factor, niceMin, niceMax, numSpaces;\n\n if (spacing < MIN_SPACING && !minDefined && !maxDefined) {\n return [{\n value: rmin\n }, {\n value: rmax\n }];\n }\n\n numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing);\n\n if (numSpaces > maxSpaces) {\n spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit;\n }\n\n if (!isNullOrUndef(precision)) {\n factor = Math.pow(10, precision);\n spacing = Math.ceil(spacing * factor) / factor;\n }\n\n if (bounds === 'ticks') {\n niceMin = Math.floor(rmin / spacing) * spacing;\n niceMax = Math.ceil(rmax / spacing) * spacing;\n } else {\n niceMin = rmin;\n niceMax = rmax;\n }\n\n if (minDefined && maxDefined && step && almostWhole((max - min) / step, spacing / 1000)) {\n numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks));\n spacing = (max - min) / numSpaces;\n niceMin = min;\n niceMax = max;\n } else if (countDefined) {\n niceMin = minDefined ? min : niceMin;\n niceMax = maxDefined ? max : niceMax;\n numSpaces = count - 1;\n spacing = (niceMax - niceMin) / numSpaces;\n } else {\n numSpaces = (niceMax - niceMin) / spacing;\n\n if (almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {\n numSpaces = Math.round(numSpaces);\n } else {\n numSpaces = Math.ceil(numSpaces);\n }\n }\n\n var decimalPlaces = Math.max(_decimalPlaces(spacing), _decimalPlaces(niceMin));\n factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision);\n niceMin = Math.round(niceMin * factor) / factor;\n niceMax = Math.round(niceMax * factor) / factor;\n var j = 0;\n\n if (minDefined) {\n if (includeBounds && niceMin !== min) {\n ticks.push({\n value: min\n });\n\n if (niceMin < min) {\n j++;\n }\n\n if (almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) {\n j++;\n }\n } else if (niceMin < min) {\n j++;\n }\n }\n\n for (; j < numSpaces; ++j) {\n ticks.push({\n value: Math.round((niceMin + j * spacing) * factor) / factor\n });\n }\n\n if (maxDefined && includeBounds && niceMax !== max) {\n if (ticks.length && almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) {\n ticks[ticks.length - 1].value = max;\n } else {\n ticks.push({\n value: max\n });\n }\n } else if (!maxDefined || niceMax === max) {\n ticks.push({\n value: niceMax\n });\n }\n\n return ticks;\n}\n\nfunction relativeLabelSize(value, minSpacing, _ref21) {\n var horizontal = _ref21.horizontal,\n minRotation = _ref21.minRotation;\n var rad = toRadians(minRotation);\n var ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001;\n var length = 0.75 * minSpacing * ('' + value).length;\n return Math.min(minSpacing / ratio, length);\n}\n\nvar LinearScaleBase = /*#__PURE__*/function (_Scale2) {\n _inherits(LinearScaleBase, _Scale2);\n\n var _super20 = _createSuper(LinearScaleBase);\n\n function LinearScaleBase(cfg) {\n var _this36;\n\n _classCallCheck(this, LinearScaleBase);\n\n _this36 = _super20.call(this, cfg);\n _this36.start = undefined;\n _this36.end = undefined;\n _this36._startValue = undefined;\n _this36._endValue = undefined;\n _this36._valueRange = 0;\n return _this36;\n }\n\n _createClass(LinearScaleBase, [{\n key: \"parse\",\n value: function parse(raw, index) {\n if (isNullOrUndef(raw)) {\n return null;\n }\n\n if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) {\n return null;\n }\n\n return +raw;\n }\n }, {\n key: \"handleTickRangeOptions\",\n value: function handleTickRangeOptions() {\n var beginAtZero = this.options.beginAtZero;\n\n var _this$getUserBounds3 = this.getUserBounds(),\n minDefined = _this$getUserBounds3.minDefined,\n maxDefined = _this$getUserBounds3.maxDefined;\n\n var min = this.min,\n max = this.max;\n\n var setMin = function setMin(v) {\n return min = minDefined ? min : v;\n };\n\n var setMax = function setMax(v) {\n return max = maxDefined ? max : v;\n };\n\n if (beginAtZero) {\n var minSign = sign(min);\n var maxSign = sign(max);\n\n if (minSign < 0 && maxSign < 0) {\n setMax(0);\n } else if (minSign > 0 && maxSign > 0) {\n setMin(0);\n }\n }\n\n if (min === max) {\n var offset = 1;\n\n if (max >= Number.MAX_SAFE_INTEGER || min <= Number.MIN_SAFE_INTEGER) {\n offset = Math.abs(max * 0.05);\n }\n\n setMax(max + offset);\n\n if (!beginAtZero) {\n setMin(min - offset);\n }\n }\n\n this.min = min;\n this.max = max;\n }\n }, {\n key: \"getTickLimit\",\n value: function getTickLimit() {\n var tickOpts = this.options.ticks;\n var maxTicksLimit = tickOpts.maxTicksLimit,\n stepSize = tickOpts.stepSize;\n var maxTicks;\n\n if (stepSize) {\n maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1;\n\n if (maxTicks > 1000) {\n console.warn(\"scales.\".concat(this.id, \".ticks.stepSize: \").concat(stepSize, \" would result generating up to \").concat(maxTicks, \" ticks. Limiting to 1000.\"));\n maxTicks = 1000;\n }\n } else {\n maxTicks = this.computeTickLimit();\n maxTicksLimit = maxTicksLimit || 11;\n }\n\n if (maxTicksLimit) {\n maxTicks = Math.min(maxTicksLimit, maxTicks);\n }\n\n return maxTicks;\n }\n }, {\n key: \"computeTickLimit\",\n value: function computeTickLimit() {\n return Number.POSITIVE_INFINITY;\n }\n }, {\n key: \"buildTicks\",\n value: function buildTicks() {\n var opts = this.options;\n var tickOpts = opts.ticks;\n var maxTicks = this.getTickLimit();\n maxTicks = Math.max(2, maxTicks);\n var numericGeneratorOptions = {\n maxTicks: maxTicks,\n bounds: opts.bounds,\n min: opts.min,\n max: opts.max,\n precision: tickOpts.precision,\n step: tickOpts.stepSize,\n count: tickOpts.count,\n maxDigits: this._maxDigits(),\n horizontal: this.isHorizontal(),\n minRotation: tickOpts.minRotation || 0,\n includeBounds: tickOpts.includeBounds !== false\n };\n var dataRange = this._range || this;\n var ticks = generateTicks$1(numericGeneratorOptions, dataRange);\n\n if (opts.bounds === 'ticks') {\n _setMinAndMaxByKey(ticks, this, 'value');\n }\n\n if (opts.reverse) {\n ticks.reverse();\n this.start = this.max;\n this.end = this.min;\n } else {\n this.start = this.min;\n this.end = this.max;\n }\n\n return ticks;\n }\n }, {\n key: \"configure\",\n value: function configure() {\n var ticks = this.ticks;\n var start = this.min;\n var end = this.max;\n\n _get(_getPrototypeOf(LinearScaleBase.prototype), \"configure\", this).call(this);\n\n if (this.options.offset && ticks.length) {\n var offset = (end - start) / Math.max(ticks.length - 1, 1) / 2;\n start -= offset;\n end += offset;\n }\n\n this._startValue = start;\n this._endValue = end;\n this._valueRange = end - start;\n }\n }, {\n key: \"getLabelForValue\",\n value: function getLabelForValue(value) {\n return formatNumber(value, this.chart.options.locale, this.options.ticks.format);\n }\n }]);\n\n return LinearScaleBase;\n}(Scale);\n\nvar LinearScale = /*#__PURE__*/function (_LinearScaleBase) {\n _inherits(LinearScale, _LinearScaleBase);\n\n var _super21 = _createSuper(LinearScale);\n\n function LinearScale() {\n _classCallCheck(this, LinearScale);\n\n return _super21.apply(this, arguments);\n }\n\n _createClass(LinearScale, [{\n key: \"determineDataLimits\",\n value: function determineDataLimits() {\n var _this$getMinMax2 = this.getMinMax(true),\n min = _this$getMinMax2.min,\n max = _this$getMinMax2.max;\n\n this.min = isNumberFinite(min) ? min : 0;\n this.max = isNumberFinite(max) ? max : 1;\n this.handleTickRangeOptions();\n }\n }, {\n key: \"computeTickLimit\",\n value: function computeTickLimit() {\n var horizontal = this.isHorizontal();\n var length = horizontal ? this.width : this.height;\n var minRotation = toRadians(this.options.ticks.minRotation);\n var ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001;\n\n var tickFont = this._resolveTickFontOptions(0);\n\n return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio));\n }\n }, {\n key: \"getPixelForValue\",\n value: function getPixelForValue(value) {\n return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange);\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {\n return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange;\n }\n }]);\n\n return LinearScale;\n}(LinearScaleBase);\n\nLinearScale.id = 'linear';\nLinearScale.defaults = {\n ticks: {\n callback: Ticks.formatters.numeric\n }\n};\n\nfunction isMajor(tickVal) {\n var remain = tickVal / Math.pow(10, Math.floor(log10(tickVal)));\n return remain === 1;\n}\n\nfunction generateTicks(generationOptions, dataRange) {\n var endExp = Math.floor(log10(dataRange.max));\n var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));\n var ticks = [];\n var tickVal = finiteOrDefault(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min))));\n var exp = Math.floor(log10(tickVal));\n var significand = Math.floor(tickVal / Math.pow(10, exp));\n var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1;\n\n do {\n ticks.push({\n value: tickVal,\n major: isMajor(tickVal)\n });\n ++significand;\n\n if (significand === 10) {\n significand = 1;\n ++exp;\n precision = exp >= 0 ? 1 : precision;\n }\n\n tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision;\n } while (exp < endExp || exp === endExp && significand < endSignificand);\n\n var lastTick = finiteOrDefault(generationOptions.max, tickVal);\n ticks.push({\n value: lastTick,\n major: isMajor(tickVal)\n });\n return ticks;\n}\n\nvar LogarithmicScale = /*#__PURE__*/function (_Scale3) {\n _inherits(LogarithmicScale, _Scale3);\n\n var _super22 = _createSuper(LogarithmicScale);\n\n function LogarithmicScale(cfg) {\n var _this37;\n\n _classCallCheck(this, LogarithmicScale);\n\n _this37 = _super22.call(this, cfg);\n _this37.start = undefined;\n _this37.end = undefined;\n _this37._startValue = undefined;\n _this37._valueRange = 0;\n return _this37;\n }\n\n _createClass(LogarithmicScale, [{\n key: \"parse\",\n value: function parse(raw, index) {\n var value = LinearScaleBase.prototype.parse.apply(this, [raw, index]);\n\n if (value === 0) {\n this._zero = true;\n return undefined;\n }\n\n return isNumberFinite(value) && value > 0 ? value : null;\n }\n }, {\n key: \"determineDataLimits\",\n value: function determineDataLimits() {\n var _this$getMinMax3 = this.getMinMax(true),\n min = _this$getMinMax3.min,\n max = _this$getMinMax3.max;\n\n this.min = isNumberFinite(min) ? Math.max(0, min) : null;\n this.max = isNumberFinite(max) ? Math.max(0, max) : null;\n\n if (this.options.beginAtZero) {\n this._zero = true;\n }\n\n this.handleTickRangeOptions();\n }\n }, {\n key: \"handleTickRangeOptions\",\n value: function handleTickRangeOptions() {\n var _this$getUserBounds4 = this.getUserBounds(),\n minDefined = _this$getUserBounds4.minDefined,\n maxDefined = _this$getUserBounds4.maxDefined;\n\n var min = this.min;\n var max = this.max;\n\n var setMin = function setMin(v) {\n return min = minDefined ? min : v;\n };\n\n var setMax = function setMax(v) {\n return max = maxDefined ? max : v;\n };\n\n var exp = function exp(v, m) {\n return Math.pow(10, Math.floor(log10(v)) + m);\n };\n\n if (min === max) {\n if (min <= 0) {\n setMin(1);\n setMax(10);\n } else {\n setMin(exp(min, -1));\n setMax(exp(max, +1));\n }\n }\n\n if (min <= 0) {\n setMin(exp(max, -1));\n }\n\n if (max <= 0) {\n setMax(exp(min, +1));\n }\n\n if (this._zero && this.min !== this._suggestedMin && min === exp(this.min, 0)) {\n setMin(exp(min, -1));\n }\n\n this.min = min;\n this.max = max;\n }\n }, {\n key: \"buildTicks\",\n value: function buildTicks() {\n var opts = this.options;\n var generationOptions = {\n min: this._userMin,\n max: this._userMax\n };\n var ticks = generateTicks(generationOptions, this);\n\n if (opts.bounds === 'ticks') {\n _setMinAndMaxByKey(ticks, this, 'value');\n }\n\n if (opts.reverse) {\n ticks.reverse();\n this.start = this.max;\n this.end = this.min;\n } else {\n this.start = this.min;\n this.end = this.max;\n }\n\n return ticks;\n }\n }, {\n key: \"getLabelForValue\",\n value: function getLabelForValue(value) {\n return value === undefined ? '0' : formatNumber(value, this.chart.options.locale, this.options.ticks.format);\n }\n }, {\n key: \"configure\",\n value: function configure() {\n var start = this.min;\n\n _get(_getPrototypeOf(LogarithmicScale.prototype), \"configure\", this).call(this);\n\n this._startValue = log10(start);\n this._valueRange = log10(this.max) - log10(start);\n }\n }, {\n key: \"getPixelForValue\",\n value: function getPixelForValue(value) {\n if (value === undefined || value === 0) {\n value = this.min;\n }\n\n if (value === null || isNaN(value)) {\n return NaN;\n }\n\n return this.getPixelForDecimal(value === this.min ? 0 : (log10(value) - this._startValue) / this._valueRange);\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {\n var decimal = this.getDecimalForPixel(pixel);\n return Math.pow(10, this._startValue + decimal * this._valueRange);\n }\n }]);\n\n return LogarithmicScale;\n}(Scale);\n\nLogarithmicScale.id = 'logarithmic';\nLogarithmicScale.defaults = {\n ticks: {\n callback: Ticks.formatters.logarithmic,\n major: {\n enabled: true\n }\n }\n};\n\nfunction getTickBackdropHeight(opts) {\n var tickOpts = opts.ticks;\n\n if (tickOpts.display && opts.display) {\n var padding = toPadding(tickOpts.backdropPadding);\n return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height;\n }\n\n return 0;\n}\n\nfunction measureLabelSize(ctx, font, label) {\n label = isArray(label) ? label : [label];\n return {\n w: _longestText(ctx, font.string, label),\n h: label.length * font.lineHeight\n };\n}\n\nfunction determineLimits(angle, pos, size, min, max) {\n if (angle === min || angle === max) {\n return {\n start: pos - size / 2,\n end: pos + size / 2\n };\n } else if (angle < min || angle > max) {\n return {\n start: pos - size,\n end: pos\n };\n }\n\n return {\n start: pos,\n end: pos + size\n };\n}\n\nfunction fitWithPointLabels(scale) {\n var orig = {\n l: scale.left + scale._padding.left,\n r: scale.right - scale._padding.right,\n t: scale.top + scale._padding.top,\n b: scale.bottom - scale._padding.bottom\n };\n var limits = Object.assign({}, orig);\n var labelSizes = [];\n var padding = [];\n var valueCount = scale._pointLabels.length;\n var pointLabelOpts = scale.options.pointLabels;\n var additionalAngle = pointLabelOpts.centerPointLabels ? PI / valueCount : 0;\n\n for (var i = 0; i < valueCount; i++) {\n var opts = pointLabelOpts.setContext(scale.getPointLabelContext(i));\n padding[i] = opts.padding;\n var pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle);\n var plFont = toFont(opts.font);\n var textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]);\n labelSizes[i] = textSize;\n\n var angleRadians = _normalizeAngle(scale.getIndexAngle(i) + additionalAngle);\n\n var angle = Math.round(toDegrees(angleRadians));\n var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);\n var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);\n updateLimits(limits, orig, angleRadians, hLimits, vLimits);\n }\n\n scale.setCenterPoint(orig.l - limits.l, limits.r - orig.r, orig.t - limits.t, limits.b - orig.b);\n scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding);\n}\n\nfunction updateLimits(limits, orig, angle, hLimits, vLimits) {\n var sin = Math.abs(Math.sin(angle));\n var cos = Math.abs(Math.cos(angle));\n var x = 0;\n var y = 0;\n\n if (hLimits.start < orig.l) {\n x = (orig.l - hLimits.start) / sin;\n limits.l = Math.min(limits.l, orig.l - x);\n } else if (hLimits.end > orig.r) {\n x = (hLimits.end - orig.r) / sin;\n limits.r = Math.max(limits.r, orig.r + x);\n }\n\n if (vLimits.start < orig.t) {\n y = (orig.t - vLimits.start) / cos;\n limits.t = Math.min(limits.t, orig.t - y);\n } else if (vLimits.end > orig.b) {\n y = (vLimits.end - orig.b) / cos;\n limits.b = Math.max(limits.b, orig.b + y);\n }\n}\n\nfunction buildPointLabelItems(scale, labelSizes, padding) {\n var items = [];\n var valueCount = scale._pointLabels.length;\n var opts = scale.options;\n var extra = getTickBackdropHeight(opts) / 2;\n var outerDistance = scale.drawingArea;\n var additionalAngle = opts.pointLabels.centerPointLabels ? PI / valueCount : 0;\n\n for (var i = 0; i < valueCount; i++) {\n var pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + padding[i], additionalAngle);\n var angle = Math.round(toDegrees(_normalizeAngle(pointLabelPosition.angle + HALF_PI)));\n var size = labelSizes[i];\n var y = yForAngle(pointLabelPosition.y, size.h, angle);\n var textAlign = getTextAlignForAngle(angle);\n var left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign);\n items.push({\n x: pointLabelPosition.x,\n y: y,\n textAlign: textAlign,\n left: left,\n top: y,\n right: left + size.w,\n bottom: y + size.h\n });\n }\n\n return items;\n}\n\nfunction getTextAlignForAngle(angle) {\n if (angle === 0 || angle === 180) {\n return 'center';\n } else if (angle < 180) {\n return 'left';\n }\n\n return 'right';\n}\n\nfunction leftForTextAlign(x, w, align) {\n if (align === 'right') {\n x -= w;\n } else if (align === 'center') {\n x -= w / 2;\n }\n\n return x;\n}\n\nfunction yForAngle(y, h, angle) {\n if (angle === 90 || angle === 270) {\n y -= h / 2;\n } else if (angle > 270 || angle < 90) {\n y -= h;\n }\n\n return y;\n}\n\nfunction drawPointLabels(scale, labelCount) {\n var ctx = scale.ctx,\n pointLabels = scale.options.pointLabels;\n\n for (var i = labelCount - 1; i >= 0; i--) {\n var optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i));\n var plFont = toFont(optsAtIndex.font);\n var _scale$_pointLabelIte = scale._pointLabelItems[i],\n x = _scale$_pointLabelIte.x,\n y = _scale$_pointLabelIte.y,\n textAlign = _scale$_pointLabelIte.textAlign,\n left = _scale$_pointLabelIte.left,\n top = _scale$_pointLabelIte.top,\n right = _scale$_pointLabelIte.right,\n bottom = _scale$_pointLabelIte.bottom;\n var backdropColor = optsAtIndex.backdropColor;\n\n if (!isNullOrUndef(backdropColor)) {\n var borderRadius = toTRBLCorners(optsAtIndex.borderRadius);\n var padding = toPadding(optsAtIndex.backdropPadding);\n ctx.fillStyle = backdropColor;\n var backdropLeft = left - padding.left;\n var backdropTop = top - padding.top;\n var backdropWidth = right - left + padding.width;\n var backdropHeight = bottom - top + padding.height;\n\n if (Object.values(borderRadius).some(function (v) {\n return v !== 0;\n })) {\n ctx.beginPath();\n addRoundedRectPath(ctx, {\n x: backdropLeft,\n y: backdropTop,\n w: backdropWidth,\n h: backdropHeight,\n radius: borderRadius\n });\n ctx.fill();\n } else {\n ctx.fillRect(backdropLeft, backdropTop, backdropWidth, backdropHeight);\n }\n }\n\n renderText(ctx, scale._pointLabels[i], x, y + plFont.lineHeight / 2, plFont, {\n color: optsAtIndex.color,\n textAlign: textAlign,\n textBaseline: 'middle'\n });\n }\n}\n\nfunction pathRadiusLine(scale, radius, circular, labelCount) {\n var ctx = scale.ctx;\n\n if (circular) {\n ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU);\n } else {\n var pointPosition = scale.getPointPosition(0, radius);\n ctx.moveTo(pointPosition.x, pointPosition.y);\n\n for (var i = 1; i < labelCount; i++) {\n pointPosition = scale.getPointPosition(i, radius);\n ctx.lineTo(pointPosition.x, pointPosition.y);\n }\n }\n}\n\nfunction drawRadiusLine(scale, gridLineOpts, radius, labelCount) {\n var ctx = scale.ctx;\n var circular = gridLineOpts.circular;\n var color = gridLineOpts.color,\n lineWidth = gridLineOpts.lineWidth;\n\n if (!circular && !labelCount || !color || !lineWidth || radius < 0) {\n return;\n }\n\n ctx.save();\n ctx.strokeStyle = color;\n ctx.lineWidth = lineWidth;\n ctx.setLineDash(gridLineOpts.borderDash);\n ctx.lineDashOffset = gridLineOpts.borderDashOffset;\n ctx.beginPath();\n pathRadiusLine(scale, radius, circular, labelCount);\n ctx.closePath();\n ctx.stroke();\n ctx.restore();\n}\n\nfunction createPointLabelContext(parent, index, label) {\n return createContext(parent, {\n label: label,\n index: index,\n type: 'pointLabel'\n });\n}\n\nvar RadialLinearScale = /*#__PURE__*/function (_LinearScaleBase2) {\n _inherits(RadialLinearScale, _LinearScaleBase2);\n\n var _super23 = _createSuper(RadialLinearScale);\n\n function RadialLinearScale(cfg) {\n var _this38;\n\n _classCallCheck(this, RadialLinearScale);\n\n _this38 = _super23.call(this, cfg);\n _this38.xCenter = undefined;\n _this38.yCenter = undefined;\n _this38.drawingArea = undefined;\n _this38._pointLabels = [];\n _this38._pointLabelItems = [];\n return _this38;\n }\n\n _createClass(RadialLinearScale, [{\n key: \"setDimensions\",\n value: function setDimensions() {\n var padding = this._padding = toPadding(getTickBackdropHeight(this.options) / 2);\n var w = this.width = this.maxWidth - padding.width;\n var h = this.height = this.maxHeight - padding.height;\n this.xCenter = Math.floor(this.left + w / 2 + padding.left);\n this.yCenter = Math.floor(this.top + h / 2 + padding.top);\n this.drawingArea = Math.floor(Math.min(w, h) / 2);\n }\n }, {\n key: \"determineDataLimits\",\n value: function determineDataLimits() {\n var _this$getMinMax4 = this.getMinMax(false),\n min = _this$getMinMax4.min,\n max = _this$getMinMax4.max;\n\n this.min = isNumberFinite(min) && !isNaN(min) ? min : 0;\n this.max = isNumberFinite(max) && !isNaN(max) ? max : 0;\n this.handleTickRangeOptions();\n }\n }, {\n key: \"computeTickLimit\",\n value: function computeTickLimit() {\n return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options));\n }\n }, {\n key: \"generateTickLabels\",\n value: function generateTickLabels(ticks) {\n var _this39 = this;\n\n LinearScaleBase.prototype.generateTickLabels.call(this, ticks);\n this._pointLabels = this.getLabels().map(function (value, index) {\n var label = callback(_this39.options.pointLabels.callback, [value, index], _this39);\n return label || label === 0 ? label : '';\n }).filter(function (v, i) {\n return _this39.chart.getDataVisibility(i);\n });\n }\n }, {\n key: \"fit\",\n value: function fit() {\n var opts = this.options;\n\n if (opts.display && opts.pointLabels.display) {\n fitWithPointLabels(this);\n } else {\n this.setCenterPoint(0, 0, 0, 0);\n }\n }\n }, {\n key: \"setCenterPoint\",\n value: function setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) {\n this.xCenter += Math.floor((leftMovement - rightMovement) / 2);\n this.yCenter += Math.floor((topMovement - bottomMovement) / 2);\n this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement));\n }\n }, {\n key: \"getIndexAngle\",\n value: function getIndexAngle(index) {\n var angleMultiplier = TAU / (this._pointLabels.length || 1);\n var startAngle = this.options.startAngle || 0;\n return _normalizeAngle(index * angleMultiplier + toRadians(startAngle));\n }\n }, {\n key: \"getDistanceFromCenterForValue\",\n value: function getDistanceFromCenterForValue(value) {\n if (isNullOrUndef(value)) {\n return NaN;\n }\n\n var scalingFactor = this.drawingArea / (this.max - this.min);\n\n if (this.options.reverse) {\n return (this.max - value) * scalingFactor;\n }\n\n return (value - this.min) * scalingFactor;\n }\n }, {\n key: \"getValueForDistanceFromCenter\",\n value: function getValueForDistanceFromCenter(distance) {\n if (isNullOrUndef(distance)) {\n return NaN;\n }\n\n var scaledDistance = distance / (this.drawingArea / (this.max - this.min));\n return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance;\n }\n }, {\n key: \"getPointLabelContext\",\n value: function getPointLabelContext(index) {\n var pointLabels = this._pointLabels || [];\n\n if (index >= 0 && index < pointLabels.length) {\n var pointLabel = pointLabels[index];\n return createPointLabelContext(this.getContext(), index, pointLabel);\n }\n }\n }, {\n key: \"getPointPosition\",\n value: function getPointPosition(index, distanceFromCenter) {\n var additionalAngle = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;\n var angle = this.getIndexAngle(index) - HALF_PI + additionalAngle;\n return {\n x: Math.cos(angle) * distanceFromCenter + this.xCenter,\n y: Math.sin(angle) * distanceFromCenter + this.yCenter,\n angle: angle\n };\n }\n }, {\n key: \"getPointPositionForValue\",\n value: function getPointPositionForValue(index, value) {\n return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));\n }\n }, {\n key: \"getBasePosition\",\n value: function getBasePosition(index) {\n return this.getPointPositionForValue(index || 0, this.getBaseValue());\n }\n }, {\n key: \"getPointLabelPosition\",\n value: function getPointLabelPosition(index) {\n var _this$_pointLabelItem = this._pointLabelItems[index],\n left = _this$_pointLabelItem.left,\n top = _this$_pointLabelItem.top,\n right = _this$_pointLabelItem.right,\n bottom = _this$_pointLabelItem.bottom;\n return {\n left: left,\n top: top,\n right: right,\n bottom: bottom\n };\n }\n }, {\n key: \"drawBackground\",\n value: function drawBackground() {\n var _this$options15 = this.options,\n backgroundColor = _this$options15.backgroundColor,\n circular = _this$options15.grid.circular;\n\n if (backgroundColor) {\n var ctx = this.ctx;\n ctx.save();\n ctx.beginPath();\n pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length);\n ctx.closePath();\n ctx.fillStyle = backgroundColor;\n ctx.fill();\n ctx.restore();\n }\n }\n }, {\n key: \"drawGrid\",\n value: function drawGrid() {\n var _this40 = this;\n\n var ctx = this.ctx;\n var opts = this.options;\n var angleLines = opts.angleLines,\n grid = opts.grid;\n var labelCount = this._pointLabels.length;\n var i, offset, position;\n\n if (opts.pointLabels.display) {\n drawPointLabels(this, labelCount);\n }\n\n if (grid.display) {\n this.ticks.forEach(function (tick, index) {\n if (index !== 0) {\n offset = _this40.getDistanceFromCenterForValue(tick.value);\n var optsAtIndex = grid.setContext(_this40.getContext(index - 1));\n drawRadiusLine(_this40, optsAtIndex, offset, labelCount);\n }\n });\n }\n\n if (angleLines.display) {\n ctx.save();\n\n for (i = labelCount - 1; i >= 0; i--) {\n var optsAtIndex = angleLines.setContext(this.getPointLabelContext(i));\n var color = optsAtIndex.color,\n lineWidth = optsAtIndex.lineWidth;\n\n if (!lineWidth || !color) {\n continue;\n }\n\n ctx.lineWidth = lineWidth;\n ctx.strokeStyle = color;\n ctx.setLineDash(optsAtIndex.borderDash);\n ctx.lineDashOffset = optsAtIndex.borderDashOffset;\n offset = this.getDistanceFromCenterForValue(opts.ticks.reverse ? this.min : this.max);\n position = this.getPointPosition(i, offset);\n ctx.beginPath();\n ctx.moveTo(this.xCenter, this.yCenter);\n ctx.lineTo(position.x, position.y);\n ctx.stroke();\n }\n\n ctx.restore();\n }\n }\n }, {\n key: \"drawBorder\",\n value: function drawBorder() {}\n }, {\n key: \"drawLabels\",\n value: function drawLabels() {\n var _this41 = this;\n\n var ctx = this.ctx;\n var opts = this.options;\n var tickOpts = opts.ticks;\n\n if (!tickOpts.display) {\n return;\n }\n\n var startAngle = this.getIndexAngle(0);\n var offset, width;\n ctx.save();\n ctx.translate(this.xCenter, this.yCenter);\n ctx.rotate(startAngle);\n ctx.textAlign = 'center';\n ctx.textBaseline = 'middle';\n this.ticks.forEach(function (tick, index) {\n if (index === 0 && !opts.reverse) {\n return;\n }\n\n var optsAtIndex = tickOpts.setContext(_this41.getContext(index));\n var tickFont = toFont(optsAtIndex.font);\n offset = _this41.getDistanceFromCenterForValue(_this41.ticks[index].value);\n\n if (optsAtIndex.showLabelBackdrop) {\n ctx.font = tickFont.string;\n width = ctx.measureText(tick.label).width;\n ctx.fillStyle = optsAtIndex.backdropColor;\n var padding = toPadding(optsAtIndex.backdropPadding);\n ctx.fillRect(-width / 2 - padding.left, -offset - tickFont.size / 2 - padding.top, width + padding.width, tickFont.size + padding.height);\n }\n\n renderText(ctx, tick.label, 0, -offset, tickFont, {\n color: optsAtIndex.color\n });\n });\n ctx.restore();\n }\n }, {\n key: \"drawTitle\",\n value: function drawTitle() {}\n }]);\n\n return RadialLinearScale;\n}(LinearScaleBase);\n\nRadialLinearScale.id = 'radialLinear';\nRadialLinearScale.defaults = {\n display: true,\n animate: true,\n position: 'chartArea',\n angleLines: {\n display: true,\n lineWidth: 1,\n borderDash: [],\n borderDashOffset: 0.0\n },\n grid: {\n circular: false\n },\n startAngle: 0,\n ticks: {\n showLabelBackdrop: true,\n callback: Ticks.formatters.numeric\n },\n pointLabels: {\n backdropColor: undefined,\n backdropPadding: 2,\n display: true,\n font: {\n size: 10\n },\n callback: function callback(label) {\n return label;\n },\n padding: 5,\n centerPointLabels: false\n }\n};\nRadialLinearScale.defaultRoutes = {\n 'angleLines.color': 'borderColor',\n 'pointLabels.color': 'color',\n 'ticks.color': 'color'\n};\nRadialLinearScale.descriptors = {\n angleLines: {\n _fallback: 'grid'\n }\n};\nvar INTERVALS = {\n millisecond: {\n common: true,\n size: 1,\n steps: 1000\n },\n second: {\n common: true,\n size: 1000,\n steps: 60\n },\n minute: {\n common: true,\n size: 60000,\n steps: 60\n },\n hour: {\n common: true,\n size: 3600000,\n steps: 24\n },\n day: {\n common: true,\n size: 86400000,\n steps: 30\n },\n week: {\n common: false,\n size: 604800000,\n steps: 4\n },\n month: {\n common: true,\n size: 2.628e9,\n steps: 12\n },\n quarter: {\n common: false,\n size: 7.884e9,\n steps: 4\n },\n year: {\n common: true,\n size: 3.154e10\n }\n};\nvar UNITS = Object.keys(INTERVALS);\n\nfunction sorter(a, b) {\n return a - b;\n}\n\nfunction _parse(scale, input) {\n if (isNullOrUndef(input)) {\n return null;\n }\n\n var adapter = scale._adapter;\n var _scale$_parseOpts = scale._parseOpts,\n parser = _scale$_parseOpts.parser,\n round = _scale$_parseOpts.round,\n isoWeekday = _scale$_parseOpts.isoWeekday;\n var value = input;\n\n if (typeof parser === 'function') {\n value = parser(value);\n }\n\n if (!isNumberFinite(value)) {\n value = typeof parser === 'string' ? adapter.parse(value, parser) : adapter.parse(value);\n }\n\n if (value === null) {\n return null;\n }\n\n if (round) {\n value = round === 'week' && (isNumber(isoWeekday) || isoWeekday === true) ? adapter.startOf(value, 'isoWeek', isoWeekday) : adapter.startOf(value, round);\n }\n\n return +value;\n}\n\nfunction determineUnitForAutoTicks(minUnit, min, max, capacity) {\n var ilen = UNITS.length;\n\n for (var i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {\n var interval = INTERVALS[UNITS[i]];\n var factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER;\n\n if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) {\n return UNITS[i];\n }\n }\n\n return UNITS[ilen - 1];\n}\n\nfunction determineUnitForFormatting(scale, numTicks, minUnit, min, max) {\n for (var i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) {\n var unit = UNITS[i];\n\n if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) {\n return unit;\n }\n }\n\n return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0];\n}\n\nfunction determineMajorUnit(unit) {\n for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {\n if (INTERVALS[UNITS[i]].common) {\n return UNITS[i];\n }\n }\n}\n\nfunction addTick(ticks, time, timestamps) {\n if (!timestamps) {\n ticks[time] = true;\n } else if (timestamps.length) {\n var _lookup2 = _lookup(timestamps, time),\n lo = _lookup2.lo,\n hi = _lookup2.hi;\n\n var timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi];\n ticks[timestamp] = true;\n }\n}\n\nfunction setMajorTicks(scale, ticks, map, majorUnit) {\n var adapter = scale._adapter;\n var first = +adapter.startOf(ticks[0].value, majorUnit);\n var last = ticks[ticks.length - 1].value;\n var major, index;\n\n for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) {\n index = map[major];\n\n if (index >= 0) {\n ticks[index].major = true;\n }\n }\n\n return ticks;\n}\n\nfunction ticksFromTimestamps(scale, values, majorUnit) {\n var ticks = [];\n var map = {};\n var ilen = values.length;\n var i, value;\n\n for (i = 0; i < ilen; ++i) {\n value = values[i];\n map[value] = i;\n ticks.push({\n value: value,\n major: false\n });\n }\n\n return ilen === 0 || !majorUnit ? ticks : setMajorTicks(scale, ticks, map, majorUnit);\n}\n\nvar TimeScale = /*#__PURE__*/function (_Scale4) {\n _inherits(TimeScale, _Scale4);\n\n var _super24 = _createSuper(TimeScale);\n\n function TimeScale(props) {\n var _this42;\n\n _classCallCheck(this, TimeScale);\n\n _this42 = _super24.call(this, props);\n _this42._cache = {\n data: [],\n labels: [],\n all: []\n };\n _this42._unit = 'day';\n _this42._majorUnit = undefined;\n _this42._offsets = {};\n _this42._normalized = false;\n _this42._parseOpts = undefined;\n return _this42;\n }\n\n _createClass(TimeScale, [{\n key: \"init\",\n value: function init(scaleOpts, opts) {\n var time = scaleOpts.time || (scaleOpts.time = {});\n var adapter = this._adapter = new adapters._date(scaleOpts.adapters.date);\n adapter.init(opts);\n mergeIf(time.displayFormats, adapter.formats());\n this._parseOpts = {\n parser: time.parser,\n round: time.round,\n isoWeekday: time.isoWeekday\n };\n\n _get(_getPrototypeOf(TimeScale.prototype), \"init\", this).call(this, scaleOpts);\n\n this._normalized = opts.normalized;\n }\n }, {\n key: \"parse\",\n value: function parse(raw, index) {\n if (raw === undefined) {\n return null;\n }\n\n return _parse(this, raw);\n }\n }, {\n key: \"beforeLayout\",\n value: function beforeLayout() {\n _get(_getPrototypeOf(TimeScale.prototype), \"beforeLayout\", this).call(this);\n\n this._cache = {\n data: [],\n labels: [],\n all: []\n };\n }\n }, {\n key: \"determineDataLimits\",\n value: function determineDataLimits() {\n var options = this.options;\n var adapter = this._adapter;\n var unit = options.time.unit || 'day';\n\n var _this$getUserBounds5 = this.getUserBounds(),\n min = _this$getUserBounds5.min,\n max = _this$getUserBounds5.max,\n minDefined = _this$getUserBounds5.minDefined,\n maxDefined = _this$getUserBounds5.maxDefined;\n\n function _applyBounds(bounds) {\n if (!minDefined && !isNaN(bounds.min)) {\n min = Math.min(min, bounds.min);\n }\n\n if (!maxDefined && !isNaN(bounds.max)) {\n max = Math.max(max, bounds.max);\n }\n }\n\n if (!minDefined || !maxDefined) {\n _applyBounds(this._getLabelBounds());\n\n if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') {\n _applyBounds(this.getMinMax(false));\n }\n }\n\n min = isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit);\n max = isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1;\n this.min = Math.min(min, max - 1);\n this.max = Math.max(min + 1, max);\n }\n }, {\n key: \"_getLabelBounds\",\n value: function _getLabelBounds() {\n var arr = this.getLabelTimestamps();\n var min = Number.POSITIVE_INFINITY;\n var max = Number.NEGATIVE_INFINITY;\n\n if (arr.length) {\n min = arr[0];\n max = arr[arr.length - 1];\n }\n\n return {\n min: min,\n max: max\n };\n }\n }, {\n key: \"buildTicks\",\n value: function buildTicks() {\n var options = this.options;\n var timeOpts = options.time;\n var tickOpts = options.ticks;\n var timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate();\n\n if (options.bounds === 'ticks' && timestamps.length) {\n this.min = this._userMin || timestamps[0];\n this.max = this._userMax || timestamps[timestamps.length - 1];\n }\n\n var min = this.min;\n var max = this.max;\n\n var ticks = _filterBetween(timestamps, min, max);\n\n this._unit = timeOpts.unit || (tickOpts.autoSkip ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min)) : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max));\n this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined : determineMajorUnit(this._unit);\n this.initOffsets(timestamps);\n\n if (options.reverse) {\n ticks.reverse();\n }\n\n return ticksFromTimestamps(this, ticks, this._majorUnit);\n }\n }, {\n key: \"afterAutoSkip\",\n value: function afterAutoSkip() {\n if (this.options.offsetAfterAutoskip) {\n this.initOffsets(this.ticks.map(function (tick) {\n return +tick.value;\n }));\n }\n }\n }, {\n key: \"initOffsets\",\n value: function initOffsets(timestamps) {\n var start = 0;\n var end = 0;\n var first, last;\n\n if (this.options.offset && timestamps.length) {\n first = this.getDecimalForValue(timestamps[0]);\n\n if (timestamps.length === 1) {\n start = 1 - first;\n } else {\n start = (this.getDecimalForValue(timestamps[1]) - first) / 2;\n }\n\n last = this.getDecimalForValue(timestamps[timestamps.length - 1]);\n\n if (timestamps.length === 1) {\n end = last;\n } else {\n end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2;\n }\n }\n\n var limit = timestamps.length < 3 ? 0.5 : 0.25;\n start = _limitValue(start, 0, limit);\n end = _limitValue(end, 0, limit);\n this._offsets = {\n start: start,\n end: end,\n factor: 1 / (start + 1 + end)\n };\n }\n }, {\n key: \"_generate\",\n value: function _generate() {\n var adapter = this._adapter;\n var min = this.min;\n var max = this.max;\n var options = this.options;\n var timeOpts = options.time;\n var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min));\n var stepSize = valueOrDefault(timeOpts.stepSize, 1);\n var weekday = minor === 'week' ? timeOpts.isoWeekday : false;\n var hasWeekday = isNumber(weekday) || weekday === true;\n var ticks = {};\n var first = min;\n var time, count;\n\n if (hasWeekday) {\n first = +adapter.startOf(first, 'isoWeek', weekday);\n }\n\n first = +adapter.startOf(first, hasWeekday ? 'day' : minor);\n\n if (adapter.diff(max, min, minor) > 100000 * stepSize) {\n throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor);\n }\n\n var timestamps = options.ticks.source === 'data' && this.getDataTimestamps();\n\n for (time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++) {\n addTick(ticks, time, timestamps);\n }\n\n if (time === max || options.bounds === 'ticks' || count === 1) {\n addTick(ticks, time, timestamps);\n }\n\n return Object.keys(ticks).sort(function (a, b) {\n return a - b;\n }).map(function (x) {\n return +x;\n });\n }\n }, {\n key: \"getLabelForValue\",\n value: function getLabelForValue(value) {\n var adapter = this._adapter;\n var timeOpts = this.options.time;\n\n if (timeOpts.tooltipFormat) {\n return adapter.format(value, timeOpts.tooltipFormat);\n }\n\n return adapter.format(value, timeOpts.displayFormats.datetime);\n }\n }, {\n key: \"_tickFormatFunction\",\n value: function _tickFormatFunction(time, index, ticks, format) {\n var options = this.options;\n var formats = options.time.displayFormats;\n var unit = this._unit;\n var majorUnit = this._majorUnit;\n var minorFormat = unit && formats[unit];\n var majorFormat = majorUnit && formats[majorUnit];\n var tick = ticks[index];\n var major = majorUnit && majorFormat && tick && tick.major;\n\n var label = this._adapter.format(time, format || (major ? majorFormat : minorFormat));\n\n var formatter = options.ticks.callback;\n return formatter ? callback(formatter, [label, index, ticks], this) : label;\n }\n }, {\n key: \"generateTickLabels\",\n value: function generateTickLabels(ticks) {\n var i, ilen, tick;\n\n for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n tick = ticks[i];\n tick.label = this._tickFormatFunction(tick.value, i, ticks);\n }\n }\n }, {\n key: \"getDecimalForValue\",\n value: function getDecimalForValue(value) {\n return value === null ? NaN : (value - this.min) / (this.max - this.min);\n }\n }, {\n key: \"getPixelForValue\",\n value: function getPixelForValue(value) {\n var offsets = this._offsets;\n var pos = this.getDecimalForValue(value);\n return this.getPixelForDecimal((offsets.start + pos) * offsets.factor);\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {\n var offsets = this._offsets;\n var pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end;\n return this.min + pos * (this.max - this.min);\n }\n }, {\n key: \"_getLabelSize\",\n value: function _getLabelSize(label) {\n var ticksOpts = this.options.ticks;\n var tickLabelWidth = this.ctx.measureText(label).width;\n var angle = toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation);\n var cosRotation = Math.cos(angle);\n var sinRotation = Math.sin(angle);\n\n var tickFontSize = this._resolveTickFontOptions(0).size;\n\n return {\n w: tickLabelWidth * cosRotation + tickFontSize * sinRotation,\n h: tickLabelWidth * sinRotation + tickFontSize * cosRotation\n };\n }\n }, {\n key: \"_getLabelCapacity\",\n value: function _getLabelCapacity(exampleTime) {\n var timeOpts = this.options.time;\n var displayFormats = timeOpts.displayFormats;\n var format = displayFormats[timeOpts.unit] || displayFormats.millisecond;\n\n var exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [exampleTime], this._majorUnit), format);\n\n var size = this._getLabelSize(exampleLabel);\n\n var capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1;\n return capacity > 0 ? capacity : 1;\n }\n }, {\n key: \"getDataTimestamps\",\n value: function getDataTimestamps() {\n var timestamps = this._cache.data || [];\n var i, ilen;\n\n if (timestamps.length) {\n return timestamps;\n }\n\n var metas = this.getMatchingVisibleMetas();\n\n if (this._normalized && metas.length) {\n return this._cache.data = metas[0].controller.getAllParsedValues(this);\n }\n\n for (i = 0, ilen = metas.length; i < ilen; ++i) {\n timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this));\n }\n\n return this._cache.data = this.normalize(timestamps);\n }\n }, {\n key: \"getLabelTimestamps\",\n value: function getLabelTimestamps() {\n var timestamps = this._cache.labels || [];\n var i, ilen;\n\n if (timestamps.length) {\n return timestamps;\n }\n\n var labels = this.getLabels();\n\n for (i = 0, ilen = labels.length; i < ilen; ++i) {\n timestamps.push(_parse(this, labels[i]));\n }\n\n return this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps);\n }\n }, {\n key: \"normalize\",\n value: function normalize(values) {\n return _arrayUnique(values.sort(sorter));\n }\n }]);\n\n return TimeScale;\n}(Scale);\n\nTimeScale.id = 'time';\nTimeScale.defaults = {\n bounds: 'data',\n adapters: {},\n time: {\n parser: false,\n unit: false,\n round: false,\n isoWeekday: false,\n minUnit: 'millisecond',\n displayFormats: {}\n },\n ticks: {\n source: 'auto',\n major: {\n enabled: false\n }\n }\n};\n\nfunction interpolate(table, val, reverse) {\n var lo = 0;\n var hi = table.length - 1;\n var prevSource, nextSource, prevTarget, nextTarget;\n\n if (reverse) {\n if (val >= table[lo].pos && val <= table[hi].pos) {\n var _lookupByKey2 = _lookupByKey(table, 'pos', val);\n\n lo = _lookupByKey2.lo;\n hi = _lookupByKey2.hi;\n }\n\n var _table$lo = table[lo];\n prevSource = _table$lo.pos;\n prevTarget = _table$lo.time;\n var _table$hi = table[hi];\n nextSource = _table$hi.pos;\n nextTarget = _table$hi.time;\n } else {\n if (val >= table[lo].time && val <= table[hi].time) {\n var _lookupByKey3 = _lookupByKey(table, 'time', val);\n\n lo = _lookupByKey3.lo;\n hi = _lookupByKey3.hi;\n }\n\n var _table$lo2 = table[lo];\n prevSource = _table$lo2.time;\n prevTarget = _table$lo2.pos;\n var _table$hi2 = table[hi];\n nextSource = _table$hi2.time;\n nextTarget = _table$hi2.pos;\n }\n\n var span = nextSource - prevSource;\n return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget;\n}\n\nvar TimeSeriesScale = /*#__PURE__*/function (_TimeScale) {\n _inherits(TimeSeriesScale, _TimeScale);\n\n var _super25 = _createSuper(TimeSeriesScale);\n\n function TimeSeriesScale(props) {\n var _this43;\n\n _classCallCheck(this, TimeSeriesScale);\n\n _this43 = _super25.call(this, props);\n _this43._table = [];\n _this43._minPos = undefined;\n _this43._tableRange = undefined;\n return _this43;\n }\n\n _createClass(TimeSeriesScale, [{\n key: \"initOffsets\",\n value: function initOffsets() {\n var timestamps = this._getTimestampsForTable();\n\n var table = this._table = this.buildLookupTable(timestamps);\n this._minPos = interpolate(table, this.min);\n this._tableRange = interpolate(table, this.max) - this._minPos;\n\n _get(_getPrototypeOf(TimeSeriesScale.prototype), \"initOffsets\", this).call(this, timestamps);\n }\n }, {\n key: \"buildLookupTable\",\n value: function buildLookupTable(timestamps) {\n var min = this.min,\n max = this.max;\n var items = [];\n var table = [];\n var i, ilen, prev, curr, next;\n\n for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n curr = timestamps[i];\n\n if (curr >= min && curr <= max) {\n items.push(curr);\n }\n }\n\n if (items.length < 2) {\n return [{\n time: min,\n pos: 0\n }, {\n time: max,\n pos: 1\n }];\n }\n\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n next = items[i + 1];\n prev = items[i - 1];\n curr = items[i];\n\n if (Math.round((next + prev) / 2) !== curr) {\n table.push({\n time: curr,\n pos: i / (ilen - 1)\n });\n }\n }\n\n return table;\n }\n }, {\n key: \"_getTimestampsForTable\",\n value: function _getTimestampsForTable() {\n var timestamps = this._cache.all || [];\n\n if (timestamps.length) {\n return timestamps;\n }\n\n var data = this.getDataTimestamps();\n var label = this.getLabelTimestamps();\n\n if (data.length && label.length) {\n timestamps = this.normalize(data.concat(label));\n } else {\n timestamps = data.length ? data : label;\n }\n\n timestamps = this._cache.all = timestamps;\n return timestamps;\n }\n }, {\n key: \"getDecimalForValue\",\n value: function getDecimalForValue(value) {\n return (interpolate(this._table, value) - this._minPos) / this._tableRange;\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {\n var offsets = this._offsets;\n var decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end;\n return interpolate(this._table, decimal * this._tableRange + this._minPos, true);\n }\n }]);\n\n return TimeSeriesScale;\n}(TimeScale);\n\nTimeSeriesScale.id = 'timeseries';\nTimeSeriesScale.defaults = TimeScale.defaults;\nvar scales = /*#__PURE__*/Object.freeze({\n __proto__: null,\n CategoryScale: CategoryScale,\n LinearScale: LinearScale,\n LogarithmicScale: LogarithmicScale,\n RadialLinearScale: RadialLinearScale,\n TimeScale: TimeScale,\n TimeSeriesScale: TimeSeriesScale\n});\nvar registerables = [controllers, elements, plugins, scales];\nexport { Animation, Animations, ArcElement, BarController, BarElement, BasePlatform, BasicPlatform, BubbleController, CategoryScale, Chart, DatasetController, plugin_decimation as Decimation, DomPlatform, DoughnutController, Element, index as Filler, Interaction, plugin_legend as Legend, LineController, LineElement, LinearScale, LogarithmicScale, PieController, PointElement, PolarAreaController, RadarController, RadialLinearScale, Scale, ScatterController, plugin_subtitle as SubTitle, Ticks, TimeScale, TimeSeriesScale, plugin_title as Title, plugin_tooltip as Tooltip, adapters as _adapters, _detectPlatform, animator, controllers, elements, layouts, plugins, registerables, registry, scales };","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n!function (t, e) {\n \"object\" == (typeof exports === \"undefined\" ? \"undefined\" : _typeof(exports)) && \"undefined\" != typeof module ? module.exports = e() : \"function\" == typeof define && define.amd ? define(e) : (t = \"undefined\" != typeof globalThis ? globalThis : t || self).dayjs = e();\n}(this, function () {\n \"use strict\";\n\n var t = 1e3,\n e = 6e4,\n n = 36e5,\n r = \"millisecond\",\n i = \"second\",\n s = \"minute\",\n u = \"hour\",\n a = \"day\",\n o = \"week\",\n f = \"month\",\n h = \"quarter\",\n c = \"year\",\n d = \"date\",\n $ = \"Invalid Date\",\n l = /^(\\d{4})[-/]?(\\d{1,2})?[-/]?(\\d{0,2})[Tt\\s]*(\\d{1,2})?:?(\\d{1,2})?:?(\\d{1,2})?[.:]?(\\d+)?$/,\n y = /\\[([^\\]]+)]|Y{1,4}|M{1,4}|D{1,2}|d{1,4}|H{1,2}|h{1,2}|a|A|m{1,2}|s{1,2}|Z{1,2}|SSS/g,\n M = {\n name: \"en\",\n weekdays: \"Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday\".split(\"_\"),\n months: \"January_February_March_April_May_June_July_August_September_October_November_December\".split(\"_\")\n },\n m = function m(t, e, n) {\n var r = String(t);\n return !r || r.length >= e ? t : \"\" + Array(e + 1 - r.length).join(n) + t;\n },\n g = {\n s: m,\n z: function z(t) {\n var e = -t.utcOffset(),\n n = Math.abs(e),\n r = Math.floor(n / 60),\n i = n % 60;\n return (e <= 0 ? \"+\" : \"-\") + m(r, 2, \"0\") + \":\" + m(i, 2, \"0\");\n },\n m: function t(e, n) {\n if (e.date() < n.date()) return -t(n, e);\n var r = 12 * (n.year() - e.year()) + (n.month() - e.month()),\n i = e.clone().add(r, f),\n s = n - i < 0,\n u = e.clone().add(r + (s ? -1 : 1), f);\n return +(-(r + (n - i) / (s ? i - u : u - i)) || 0);\n },\n a: function a(t) {\n return t < 0 ? 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