wrapper around the
+ var topEl; // the element we want to match the top coordinate of
+ var options;
+ if (this.rowCnt === 1) {
+ topEl = view.el; // will cause the popover to cover any sort of header
+ }
+ else {
+ topEl = this.rowEls[row]; // will align with top of row
+ }
+ options = {
+ className: 'fc-more-popover ' + theme.getClass('popover'),
+ parentEl: view.el,
+ top: Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["computeRect"])(topEl).top,
+ autoHide: true,
+ content: function (el) {
+ _this.segPopoverTile = new DayTile(el);
+ _this.updateSegPopoverTile(_this.props.cells[row][_col].date, segs);
+ },
+ hide: function () {
+ _this.segPopoverTile.destroy();
+ _this.segPopoverTile = null;
+ _this.segPopover.destroy();
+ _this.segPopover = null;
+ }
+ };
+ // Determine horizontal coordinate.
+ // We use the moreWrap instead of the to avoid border confusion.
+ if (isRtl) {
+ options.right = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["computeRect"])(moreWrap).right + 1; // +1 to be over cell border
+ }
+ else {
+ options.left = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["computeRect"])(moreWrap).left - 1; // -1 to be over cell border
+ }
+ this.segPopover = new Popover(options);
+ this.segPopover.show();
+ calendar.releaseAfterSizingTriggers(); // hack for eventPositioned
+ };
+ // Given the events within an array of segment objects, reslice them to be in a single day
+ DayGrid.prototype.resliceDaySegs = function (segs, dayDate) {
+ var dayStart = dayDate;
+ var dayEnd = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["addDays"])(dayStart, 1);
+ var dayRange = { start: dayStart, end: dayEnd };
+ var newSegs = [];
+ for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
+ var seg = segs_1[_i];
+ var eventRange = seg.eventRange;
+ var origRange = eventRange.range;
+ var slicedRange = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["intersectRanges"])(origRange, dayRange);
+ if (slicedRange) {
+ newSegs.push(__assign({}, seg, { eventRange: {
+ def: eventRange.def,
+ ui: __assign({}, eventRange.ui, { durationEditable: false }),
+ instance: eventRange.instance,
+ range: slicedRange
+ }, isStart: seg.isStart && slicedRange.start.valueOf() === origRange.start.valueOf(), isEnd: seg.isEnd && slicedRange.end.valueOf() === origRange.end.valueOf() }));
+ }
+ }
+ return newSegs;
+ };
+ // Generates the text that should be inside a "more" link, given the number of events it represents
+ DayGrid.prototype.getMoreLinkText = function (num) {
+ var opt = this.context.options.eventLimitText;
+ if (typeof opt === 'function') {
+ return opt(num);
+ }
+ else {
+ return '+' + num + ' ' + opt;
+ }
+ };
+ // Returns segments within a given cell.
+ // If `startLevel` is specified, returns only events including and below that level. Otherwise returns all segs.
+ DayGrid.prototype.getCellSegs = function (row, col, startLevel) {
+ var segMatrix = this.eventRenderer.rowStructs[row].segMatrix;
+ var level = startLevel || 0;
+ var segs = [];
+ var seg;
+ while (level < segMatrix.length) {
+ seg = segMatrix[level][col];
+ if (seg) {
+ segs.push(seg);
+ }
+ level++;
+ }
+ return segs;
+ };
+ return DayGrid;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["DateComponent"]));
+
+var WEEK_NUM_FORMAT$1 = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createFormatter"])({ week: 'numeric' });
+/* An abstract class for the daygrid views, as well as month view. Renders one or more rows of day cells.
+----------------------------------------------------------------------------------------------------------------------*/
+// It is a manager for a DayGrid subcomponent, which does most of the heavy lifting.
+// It is responsible for managing width/height.
+var AbstractDayGridView = /** @class */ (function (_super) {
+ __extends(AbstractDayGridView, _super);
+ function AbstractDayGridView() {
+ var _this = _super !== null && _super.apply(this, arguments) || this;
+ _this.processOptions = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoize"])(_this._processOptions);
+ _this.renderSkeleton = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(_this._renderSkeleton, _this._unrenderSkeleton);
+ /* Header Rendering
+ ------------------------------------------------------------------------------------------------------------------*/
+ // Generates the HTML that will go before the day-of week header cells
+ _this.renderHeadIntroHtml = function () {
+ var _a = _this.context, theme = _a.theme, options = _a.options;
+ if (_this.colWeekNumbersVisible) {
+ return '' +
+ ' | ';
+ }
+ return '';
+ };
+ /* Day Grid Rendering
+ ------------------------------------------------------------------------------------------------------------------*/
+ // Generates the HTML that will go before content-skeleton cells that display the day/week numbers
+ _this.renderDayGridNumberIntroHtml = function (row, dayGrid) {
+ var _a = _this.context, options = _a.options, dateEnv = _a.dateEnv;
+ var weekStart = dayGrid.props.cells[row][0].date;
+ if (_this.colWeekNumbersVisible) {
+ return '' +
+ '
' +
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["buildGotoAnchorHtml"])(// aside from link, important for matchCellWidths
+ options, dateEnv, { date: weekStart, type: 'week', forceOff: dayGrid.colCnt === 1 }, dateEnv.format(weekStart, WEEK_NUM_FORMAT$1) // inner HTML
+ ) +
+ ' | ';
+ }
+ return '';
+ };
+ // Generates the HTML that goes before the day bg cells for each day-row
+ _this.renderDayGridBgIntroHtml = function () {
+ var theme = _this.context.theme;
+ if (_this.colWeekNumbersVisible) {
+ return '
| ';
+ }
+ return '';
+ };
+ // Generates the HTML that goes before every other type of row generated by DayGrid.
+ // Affects mirror-skeleton and highlight-skeleton rows.
+ _this.renderDayGridIntroHtml = function () {
+ if (_this.colWeekNumbersVisible) {
+ return '
| ';
+ }
+ return '';
+ };
+ return _this;
+ }
+ AbstractDayGridView.prototype._processOptions = function (options) {
+ if (options.weekNumbers) {
+ if (options.weekNumbersWithinDays) {
+ this.cellWeekNumbersVisible = true;
+ this.colWeekNumbersVisible = false;
+ }
+ else {
+ this.cellWeekNumbersVisible = false;
+ this.colWeekNumbersVisible = true;
+ }
+ }
+ else {
+ this.colWeekNumbersVisible = false;
+ this.cellWeekNumbersVisible = false;
+ }
+ };
+ AbstractDayGridView.prototype.render = function (props, context) {
+ _super.prototype.render.call(this, props, context);
+ this.processOptions(context.options);
+ this.renderSkeleton(context);
+ };
+ AbstractDayGridView.prototype.destroy = function () {
+ _super.prototype.destroy.call(this);
+ this.renderSkeleton.unrender();
+ };
+ AbstractDayGridView.prototype._renderSkeleton = function (context) {
+ this.el.classList.add('fc-dayGrid-view');
+ this.el.innerHTML = this.renderSkeletonHtml();
+ this.scroller = new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["ScrollComponent"]('hidden', // overflow x
+ 'auto' // overflow y
+ );
+ var dayGridContainerEl = this.scroller.el;
+ this.el.querySelector('.fc-body > tr > td').appendChild(dayGridContainerEl);
+ dayGridContainerEl.classList.add('fc-day-grid-container');
+ var dayGridEl = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createElement"])('div', { className: 'fc-day-grid' });
+ dayGridContainerEl.appendChild(dayGridEl);
+ this.dayGrid = new DayGrid(dayGridEl, {
+ renderNumberIntroHtml: this.renderDayGridNumberIntroHtml,
+ renderBgIntroHtml: this.renderDayGridBgIntroHtml,
+ renderIntroHtml: this.renderDayGridIntroHtml,
+ colWeekNumbersVisible: this.colWeekNumbersVisible,
+ cellWeekNumbersVisible: this.cellWeekNumbersVisible
+ });
+ };
+ AbstractDayGridView.prototype._unrenderSkeleton = function () {
+ this.el.classList.remove('fc-dayGrid-view');
+ this.dayGrid.destroy();
+ this.scroller.destroy();
+ };
+ // Builds the HTML skeleton for the view.
+ // The day-grid component will render inside of a container defined by this HTML.
+ AbstractDayGridView.prototype.renderSkeletonHtml = function () {
+ var _a = this.context, theme = _a.theme, options = _a.options;
+ return '' +
+ '
' +
+ (options.columnHeader ?
+ '' +
+ '' +
+ '' +
+ '
' +
+ '' :
+ '') +
+ '' +
+ '' +
+ ' | ' +
+ '
' +
+ '' +
+ '
';
+ };
+ // Generates an HTML attribute string for setting the width of the week number column, if it is known
+ AbstractDayGridView.prototype.weekNumberStyleAttr = function () {
+ if (this.weekNumberWidth != null) {
+ return 'style="width:' + this.weekNumberWidth + 'px"';
+ }
+ return '';
+ };
+ // Determines whether each row should have a constant height
+ AbstractDayGridView.prototype.hasRigidRows = function () {
+ var eventLimit = this.context.options.eventLimit;
+ return eventLimit && typeof eventLimit !== 'number';
+ };
+ /* Dimensions
+ ------------------------------------------------------------------------------------------------------------------*/
+ AbstractDayGridView.prototype.updateSize = function (isResize, viewHeight, isAuto) {
+ _super.prototype.updateSize.call(this, isResize, viewHeight, isAuto); // will call updateBaseSize. important that executes first
+ this.dayGrid.updateSize(isResize);
+ };
+ // Refreshes the horizontal dimensions of the view
+ AbstractDayGridView.prototype.updateBaseSize = function (isResize, viewHeight, isAuto) {
+ var dayGrid = this.dayGrid;
+ var eventLimit = this.context.options.eventLimit;
+ var headRowEl = this.header ? this.header.el : null; // HACK
+ var scrollerHeight;
+ var scrollbarWidths;
+ // hack to give the view some height prior to dayGrid's columns being rendered
+ // TODO: separate setting height from scroller VS dayGrid.
+ if (!dayGrid.rowEls) {
+ if (!isAuto) {
+ scrollerHeight = this.computeScrollerHeight(viewHeight);
+ this.scroller.setHeight(scrollerHeight);
+ }
+ return;
+ }
+ if (this.colWeekNumbersVisible) {
+ // Make sure all week number cells running down the side have the same width.
+ this.weekNumberWidth = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["matchCellWidths"])(Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(this.el, '.fc-week-number'));
+ }
+ // reset all heights to be natural
+ this.scroller.clear();
+ if (headRowEl) {
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["uncompensateScroll"])(headRowEl);
+ }
+ dayGrid.removeSegPopover(); // kill the "more" popover if displayed
+ // is the event limit a constant level number?
+ if (eventLimit && typeof eventLimit === 'number') {
+ dayGrid.limitRows(eventLimit); // limit the levels first so the height can redistribute after
+ }
+ // distribute the height to the rows
+ // (viewHeight is a "recommended" value if isAuto)
+ scrollerHeight = this.computeScrollerHeight(viewHeight);
+ this.setGridHeight(scrollerHeight, isAuto);
+ // is the event limit dynamically calculated?
+ if (eventLimit && typeof eventLimit !== 'number') {
+ dayGrid.limitRows(eventLimit); // limit the levels after the grid's row heights have been set
+ }
+ if (!isAuto) { // should we force dimensions of the scroll container?
+ this.scroller.setHeight(scrollerHeight);
+ scrollbarWidths = this.scroller.getScrollbarWidths();
+ if (scrollbarWidths.left || scrollbarWidths.right) { // using scrollbars?
+ if (headRowEl) {
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["compensateScroll"])(headRowEl, scrollbarWidths);
+ }
+ // doing the scrollbar compensation might have created text overflow which created more height. redo
+ scrollerHeight = this.computeScrollerHeight(viewHeight);
+ this.scroller.setHeight(scrollerHeight);
+ }
+ // guarantees the same scrollbar widths
+ this.scroller.lockOverflow(scrollbarWidths);
+ }
+ };
+ // given a desired total height of the view, returns what the height of the scroller should be
+ AbstractDayGridView.prototype.computeScrollerHeight = function (viewHeight) {
+ return viewHeight -
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["subtractInnerElHeight"])(this.el, this.scroller.el); // everything that's NOT the scroller
+ };
+ // Sets the height of just the DayGrid component in this view
+ AbstractDayGridView.prototype.setGridHeight = function (height, isAuto) {
+ if (this.context.options.monthMode) {
+ // if auto, make the height of each row the height that it would be if there were 6 weeks
+ if (isAuto) {
+ height *= this.dayGrid.rowCnt / 6;
+ }
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["distributeHeight"])(this.dayGrid.rowEls, height, !isAuto); // if auto, don't compensate for height-hogging rows
+ }
+ else {
+ if (isAuto) {
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["undistributeHeight"])(this.dayGrid.rowEls); // let the rows be their natural height with no expanding
+ }
+ else {
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["distributeHeight"])(this.dayGrid.rowEls, height, true); // true = compensate for height-hogging rows
+ }
+ }
+ };
+ /* Scroll
+ ------------------------------------------------------------------------------------------------------------------*/
+ AbstractDayGridView.prototype.computeDateScroll = function (duration) {
+ return { top: 0 };
+ };
+ AbstractDayGridView.prototype.queryDateScroll = function () {
+ return { top: this.scroller.getScrollTop() };
+ };
+ AbstractDayGridView.prototype.applyDateScroll = function (scroll) {
+ if (scroll.top !== undefined) {
+ this.scroller.setScrollTop(scroll.top);
+ }
+ };
+ return AbstractDayGridView;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["View"]));
+AbstractDayGridView.prototype.dateProfileGeneratorClass = DayGridDateProfileGenerator;
+
+var SimpleDayGrid = /** @class */ (function (_super) {
+ __extends(SimpleDayGrid, _super);
+ function SimpleDayGrid(dayGrid) {
+ var _this = _super.call(this, dayGrid.el) || this;
+ _this.slicer = new DayGridSlicer();
+ _this.dayGrid = dayGrid;
+ return _this;
+ }
+ SimpleDayGrid.prototype.firstContext = function (context) {
+ context.calendar.registerInteractiveComponent(this, { el: this.dayGrid.el });
+ };
+ SimpleDayGrid.prototype.destroy = function () {
+ _super.prototype.destroy.call(this);
+ this.context.calendar.unregisterInteractiveComponent(this);
+ };
+ SimpleDayGrid.prototype.render = function (props, context) {
+ var dayGrid = this.dayGrid;
+ var dateProfile = props.dateProfile, dayTable = props.dayTable;
+ dayGrid.receiveProps(__assign({}, this.slicer.sliceProps(props, dateProfile, props.nextDayThreshold, context.calendar, dayGrid, dayTable), { dateProfile: dateProfile, cells: dayTable.cells, isRigid: props.isRigid }), context);
+ };
+ SimpleDayGrid.prototype.buildPositionCaches = function () {
+ this.dayGrid.buildPositionCaches();
+ };
+ SimpleDayGrid.prototype.queryHit = function (positionLeft, positionTop) {
+ var rawHit = this.dayGrid.positionToHit(positionLeft, positionTop);
+ if (rawHit) {
+ return {
+ component: this.dayGrid,
+ dateSpan: rawHit.dateSpan,
+ dayEl: rawHit.dayEl,
+ rect: {
+ left: rawHit.relativeRect.left,
+ right: rawHit.relativeRect.right,
+ top: rawHit.relativeRect.top,
+ bottom: rawHit.relativeRect.bottom
+ },
+ layer: 0
+ };
+ }
+ };
+ return SimpleDayGrid;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["DateComponent"]));
+var DayGridSlicer = /** @class */ (function (_super) {
+ __extends(DayGridSlicer, _super);
+ function DayGridSlicer() {
+ return _super !== null && _super.apply(this, arguments) || this;
+ }
+ DayGridSlicer.prototype.sliceRange = function (dateRange, dayTable) {
+ return dayTable.sliceRange(dateRange);
+ };
+ return DayGridSlicer;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["Slicer"]));
+
+var DayGridView = /** @class */ (function (_super) {
+ __extends(DayGridView, _super);
+ function DayGridView() {
+ var _this = _super !== null && _super.apply(this, arguments) || this;
+ _this.buildDayTable = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoize"])(buildDayTable);
+ return _this;
+ }
+ DayGridView.prototype.render = function (props, context) {
+ _super.prototype.render.call(this, props, context); // will call _renderSkeleton/_unrenderSkeleton
+ var dateProfile = this.props.dateProfile;
+ var dayTable = this.dayTable =
+ this.buildDayTable(dateProfile, props.dateProfileGenerator);
+ if (this.header) {
+ this.header.receiveProps({
+ dateProfile: dateProfile,
+ dates: dayTable.headerDates,
+ datesRepDistinctDays: dayTable.rowCnt === 1,
+ renderIntroHtml: this.renderHeadIntroHtml
+ }, context);
+ }
+ this.simpleDayGrid.receiveProps({
+ dateProfile: dateProfile,
+ dayTable: dayTable,
+ businessHours: props.businessHours,
+ dateSelection: props.dateSelection,
+ eventStore: props.eventStore,
+ eventUiBases: props.eventUiBases,
+ eventSelection: props.eventSelection,
+ eventDrag: props.eventDrag,
+ eventResize: props.eventResize,
+ isRigid: this.hasRigidRows(),
+ nextDayThreshold: this.context.nextDayThreshold
+ }, context);
+ };
+ DayGridView.prototype._renderSkeleton = function (context) {
+ _super.prototype._renderSkeleton.call(this, context);
+ if (context.options.columnHeader) {
+ this.header = new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["DayHeader"](this.el.querySelector('.fc-head-container'));
+ }
+ this.simpleDayGrid = new SimpleDayGrid(this.dayGrid);
+ };
+ DayGridView.prototype._unrenderSkeleton = function () {
+ _super.prototype._unrenderSkeleton.call(this);
+ if (this.header) {
+ this.header.destroy();
+ }
+ this.simpleDayGrid.destroy();
+ };
+ return DayGridView;
+}(AbstractDayGridView));
+function buildDayTable(dateProfile, dateProfileGenerator) {
+ var daySeries = new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["DaySeries"](dateProfile.renderRange, dateProfileGenerator);
+ return new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["DayTable"](daySeries, /year|month|week/.test(dateProfile.currentRangeUnit));
+}
+
+var main = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createPlugin"])({
+ defaultView: 'dayGridMonth',
+ views: {
+ dayGrid: DayGridView,
+ dayGridDay: {
+ type: 'dayGrid',
+ duration: { days: 1 }
+ },
+ dayGridWeek: {
+ type: 'dayGrid',
+ duration: { weeks: 1 }
+ },
+ dayGridMonth: {
+ type: 'dayGrid',
+ duration: { months: 1 },
+ monthMode: true,
+ fixedWeekCount: true
+ }
+ }
+});
+
+/* harmony default export */ __webpack_exports__["default"] = (main);
+
+
+
+/***/ }),
+
+/***/ "./node_modules/@fullcalendar/list/main.esm.js":
+/*!*****************************************************!*\
+ !*** ./node_modules/@fullcalendar/list/main.esm.js ***!
+ \*****************************************************/
+/*! exports provided: default, ListView */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ListView", function() { return ListView; });
+/* harmony import */ var _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @fullcalendar/core */ "./node_modules/@fullcalendar/core/main.esm.js");
+/*!
+FullCalendar List View Plugin v4.4.0
+Docs & License: https://fullcalendar.io/
+(c) 2019 Adam Shaw
+*/
+
+
+
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+/* global Reflect, Promise */
+
+var extendStatics = function(d, b) {
+ extendStatics = Object.setPrototypeOf ||
+ ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+ function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+ return extendStatics(d, b);
+};
+
+function __extends(d, b) {
+ extendStatics(d, b);
+ function __() { this.constructor = d; }
+ d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+}
+
+var ListEventRenderer = /** @class */ (function (_super) {
+ __extends(ListEventRenderer, _super);
+ function ListEventRenderer(listView) {
+ var _this = _super.call(this) || this;
+ _this.listView = listView;
+ return _this;
+ }
+ ListEventRenderer.prototype.attachSegs = function (segs) {
+ if (!segs.length) {
+ this.listView.renderEmptyMessage();
+ }
+ else {
+ this.listView.renderSegList(segs);
+ }
+ };
+ ListEventRenderer.prototype.detachSegs = function () {
+ };
+ // generates the HTML for a single event row
+ ListEventRenderer.prototype.renderSegHtml = function (seg) {
+ var _a = this.context, theme = _a.theme, options = _a.options;
+ var eventRange = seg.eventRange;
+ var eventDef = eventRange.def;
+ var eventInstance = eventRange.instance;
+ var eventUi = eventRange.ui;
+ var url = eventDef.url;
+ var classes = ['fc-list-item'].concat(eventUi.classNames);
+ var bgColor = eventUi.backgroundColor;
+ var timeHtml;
+ if (eventDef.allDay) {
+ timeHtml = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["getAllDayHtml"])(options);
+ }
+ else if (Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["isMultiDayRange"])(eventRange.range)) {
+ if (seg.isStart) {
+ timeHtml = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["htmlEscape"])(this._getTimeText(eventInstance.range.start, seg.end, false // allDay
+ ));
+ }
+ else if (seg.isEnd) {
+ timeHtml = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["htmlEscape"])(this._getTimeText(seg.start, eventInstance.range.end, false // allDay
+ ));
+ }
+ else { // inner segment that lasts the whole day
+ timeHtml = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["getAllDayHtml"])(options);
+ }
+ }
+ else {
+ // Display the normal time text for the *event's* times
+ timeHtml = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["htmlEscape"])(this.getTimeText(eventRange));
+ }
+ if (url) {
+ classes.push('fc-has-url');
+ }
+ return '
' +
+ (this.displayEventTime ?
+ '' +
+ (timeHtml || '') +
+ ' | ' :
+ '') +
+ '' +
+ '' +
+ ' | ' +
+ '' +
+ '' +
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["htmlEscape"])(eventDef.title || '') +
+ '' +
+ ' | ' +
+ '
';
+ };
+ // like "4:00am"
+ ListEventRenderer.prototype.computeEventTimeFormat = function () {
+ return {
+ hour: 'numeric',
+ minute: '2-digit',
+ meridiem: 'short'
+ };
+ };
+ return ListEventRenderer;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["FgEventRenderer"]));
+
+/*
+Responsible for the scroller, and forwarding event-related actions into the "grid".
+*/
+var ListView = /** @class */ (function (_super) {
+ __extends(ListView, _super);
+ function ListView(viewSpec, parentEl) {
+ var _this = _super.call(this, viewSpec, parentEl) || this;
+ _this.computeDateVars = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoize"])(computeDateVars);
+ _this.eventStoreToSegs = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoize"])(_this._eventStoreToSegs);
+ _this.renderSkeleton = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(_this._renderSkeleton, _this._unrenderSkeleton);
+ var eventRenderer = _this.eventRenderer = new ListEventRenderer(_this);
+ _this.renderContent = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(eventRenderer.renderSegs.bind(eventRenderer), eventRenderer.unrender.bind(eventRenderer), [_this.renderSkeleton]);
+ return _this;
+ }
+ ListView.prototype.firstContext = function (context) {
+ context.calendar.registerInteractiveComponent(this, {
+ el: this.el
+ // TODO: make aware that it doesn't do Hits
+ });
+ };
+ ListView.prototype.render = function (props, context) {
+ _super.prototype.render.call(this, props, context);
+ var _a = this.computeDateVars(props.dateProfile), dayDates = _a.dayDates, dayRanges = _a.dayRanges;
+ this.dayDates = dayDates;
+ this.renderSkeleton(context);
+ this.renderContent(context, this.eventStoreToSegs(props.eventStore, props.eventUiBases, dayRanges));
+ };
+ ListView.prototype.destroy = function () {
+ _super.prototype.destroy.call(this);
+ this.renderSkeleton.unrender();
+ this.renderContent.unrender();
+ this.context.calendar.unregisterInteractiveComponent(this);
+ };
+ ListView.prototype._renderSkeleton = function (context) {
+ var theme = context.theme;
+ this.el.classList.add('fc-list-view');
+ var listViewClassNames = (theme.getClass('listView') || '').split(' '); // wish we didn't have to do this
+ for (var _i = 0, listViewClassNames_1 = listViewClassNames; _i < listViewClassNames_1.length; _i++) {
+ var listViewClassName = listViewClassNames_1[_i];
+ if (listViewClassName) { // in case input was empty string
+ this.el.classList.add(listViewClassName);
+ }
+ }
+ this.scroller = new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["ScrollComponent"]('hidden', // overflow x
+ 'auto' // overflow y
+ );
+ this.el.appendChild(this.scroller.el);
+ this.contentEl = this.scroller.el; // shortcut
+ };
+ ListView.prototype._unrenderSkeleton = function () {
+ // TODO: remove classNames
+ this.scroller.destroy(); // will remove the Grid too
+ };
+ ListView.prototype.updateSize = function (isResize, viewHeight, isAuto) {
+ _super.prototype.updateSize.call(this, isResize, viewHeight, isAuto);
+ this.eventRenderer.computeSizes(isResize);
+ this.eventRenderer.assignSizes(isResize);
+ this.scroller.clear(); // sets height to 'auto' and clears overflow
+ if (!isAuto) {
+ this.scroller.setHeight(this.computeScrollerHeight(viewHeight));
+ }
+ };
+ ListView.prototype.computeScrollerHeight = function (viewHeight) {
+ return viewHeight -
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["subtractInnerElHeight"])(this.el, this.scroller.el); // everything that's NOT the scroller
+ };
+ ListView.prototype._eventStoreToSegs = function (eventStore, eventUiBases, dayRanges) {
+ return this.eventRangesToSegs(Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["sliceEventStore"])(eventStore, eventUiBases, this.props.dateProfile.activeRange, this.context.nextDayThreshold).fg, dayRanges);
+ };
+ ListView.prototype.eventRangesToSegs = function (eventRanges, dayRanges) {
+ var segs = [];
+ for (var _i = 0, eventRanges_1 = eventRanges; _i < eventRanges_1.length; _i++) {
+ var eventRange = eventRanges_1[_i];
+ segs.push.apply(segs, this.eventRangeToSegs(eventRange, dayRanges));
+ }
+ return segs;
+ };
+ ListView.prototype.eventRangeToSegs = function (eventRange, dayRanges) {
+ var _a = this.context, dateEnv = _a.dateEnv, nextDayThreshold = _a.nextDayThreshold;
+ var range = eventRange.range;
+ var allDay = eventRange.def.allDay;
+ var dayIndex;
+ var segRange;
+ var seg;
+ var segs = [];
+ for (dayIndex = 0; dayIndex < dayRanges.length; dayIndex++) {
+ segRange = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["intersectRanges"])(range, dayRanges[dayIndex]);
+ if (segRange) {
+ seg = {
+ component: this,
+ eventRange: eventRange,
+ start: segRange.start,
+ end: segRange.end,
+ isStart: eventRange.isStart && segRange.start.valueOf() === range.start.valueOf(),
+ isEnd: eventRange.isEnd && segRange.end.valueOf() === range.end.valueOf(),
+ dayIndex: dayIndex
+ };
+ segs.push(seg);
+ // detect when range won't go fully into the next day,
+ // and mutate the latest seg to the be the end.
+ if (!seg.isEnd && !allDay &&
+ dayIndex + 1 < dayRanges.length &&
+ range.end <
+ dateEnv.add(dayRanges[dayIndex + 1].start, nextDayThreshold)) {
+ seg.end = range.end;
+ seg.isEnd = true;
+ break;
+ }
+ }
+ }
+ return segs;
+ };
+ ListView.prototype.renderEmptyMessage = function () {
+ this.contentEl.innerHTML =
+ '
' + // TODO: try less wraps
+ '
' +
+ '
' +
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["htmlEscape"])(this.context.options.noEventsMessage) +
+ '
' +
+ '
' +
+ '
';
+ };
+ // called by ListEventRenderer
+ ListView.prototype.renderSegList = function (allSegs) {
+ var theme = this.context.theme;
+ var segsByDay = this.groupSegsByDay(allSegs); // sparse array
+ var dayIndex;
+ var daySegs;
+ var i;
+ var tableEl = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["htmlToElement"])('
');
+ var tbodyEl = tableEl.querySelector('tbody');
+ for (dayIndex = 0; dayIndex < segsByDay.length; dayIndex++) {
+ daySegs = segsByDay[dayIndex];
+ if (daySegs) { // sparse array, so might be undefined
+ // append a day header
+ tbodyEl.appendChild(this.buildDayHeaderRow(this.dayDates[dayIndex]));
+ daySegs = this.eventRenderer.sortEventSegs(daySegs);
+ for (i = 0; i < daySegs.length; i++) {
+ tbodyEl.appendChild(daySegs[i].el); // append event row
+ }
+ }
+ }
+ this.contentEl.innerHTML = '';
+ this.contentEl.appendChild(tableEl);
+ };
+ // Returns a sparse array of arrays, segs grouped by their dayIndex
+ ListView.prototype.groupSegsByDay = function (segs) {
+ var segsByDay = []; // sparse array
+ var i;
+ var seg;
+ for (i = 0; i < segs.length; i++) {
+ seg = segs[i];
+ (segsByDay[seg.dayIndex] || (segsByDay[seg.dayIndex] = []))
+ .push(seg);
+ }
+ return segsByDay;
+ };
+ // generates the HTML for the day headers that live amongst the event rows
+ ListView.prototype.buildDayHeaderRow = function (dayDate) {
+ var _a = this.context, theme = _a.theme, dateEnv = _a.dateEnv, options = _a.options;
+ var mainFormat = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createFormatter"])(options.listDayFormat); // TODO: cache
+ var altFormat = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createFormatter"])(options.listDayAltFormat); // TODO: cache
+ return Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createElement"])('tr', {
+ className: 'fc-list-heading',
+ 'data-date': dateEnv.formatIso(dayDate, { omitTime: true })
+ }, '');
+ };
+ return ListView;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["View"]));
+ListView.prototype.fgSegSelector = '.fc-list-item'; // which elements accept event actions
+function computeDateVars(dateProfile) {
+ var dayStart = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["startOfDay"])(dateProfile.renderRange.start);
+ var viewEnd = dateProfile.renderRange.end;
+ var dayDates = [];
+ var dayRanges = [];
+ while (dayStart < viewEnd) {
+ dayDates.push(dayStart);
+ dayRanges.push({
+ start: dayStart,
+ end: Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["addDays"])(dayStart, 1)
+ });
+ dayStart = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["addDays"])(dayStart, 1);
+ }
+ return { dayDates: dayDates, dayRanges: dayRanges };
+}
+
+var main = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createPlugin"])({
+ views: {
+ list: {
+ class: ListView,
+ buttonTextKey: 'list',
+ listDayFormat: { month: 'long', day: 'numeric', year: 'numeric' } // like "January 1, 2016"
+ },
+ listDay: {
+ type: 'list',
+ duration: { days: 1 },
+ listDayFormat: { weekday: 'long' } // day-of-week is all we need. full date is probably in header
+ },
+ listWeek: {
+ type: 'list',
+ duration: { weeks: 1 },
+ listDayFormat: { weekday: 'long' },
+ listDayAltFormat: { month: 'long', day: 'numeric', year: 'numeric' }
+ },
+ listMonth: {
+ type: 'list',
+ duration: { month: 1 },
+ listDayAltFormat: { weekday: 'long' } // day-of-week is nice-to-have
+ },
+ listYear: {
+ type: 'list',
+ duration: { year: 1 },
+ listDayAltFormat: { weekday: 'long' } // day-of-week is nice-to-have
+ }
+ }
+});
+
+/* harmony default export */ __webpack_exports__["default"] = (main);
+
+
+
+/***/ }),
+
+/***/ "./node_modules/@fullcalendar/timegrid/main.esm.js":
+/*!*********************************************************!*\
+ !*** ./node_modules/@fullcalendar/timegrid/main.esm.js ***!
+ \*********************************************************/
+/*! exports provided: default, AbstractTimeGridView, TimeGrid, TimeGridSlicer, TimeGridView, buildDayRanges, buildDayTable */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "AbstractTimeGridView", function() { return AbstractTimeGridView; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "TimeGrid", function() { return TimeGrid; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "TimeGridSlicer", function() { return TimeGridSlicer; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "TimeGridView", function() { return TimeGridView; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "buildDayRanges", function() { return buildDayRanges; });
+/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "buildDayTable", function() { return buildDayTable; });
+/* harmony import */ var _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! @fullcalendar/core */ "./node_modules/@fullcalendar/core/main.esm.js");
+/* harmony import */ var _fullcalendar_daygrid__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! @fullcalendar/daygrid */ "./node_modules/@fullcalendar/daygrid/main.esm.js");
+/*!
+FullCalendar Time Grid Plugin v4.4.0
+Docs & License: https://fullcalendar.io/
+(c) 2019 Adam Shaw
+*/
+
+
+
+
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+/* global Reflect, Promise */
+
+var extendStatics = function(d, b) {
+ extendStatics = Object.setPrototypeOf ||
+ ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+ function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+ return extendStatics(d, b);
+};
+
+function __extends(d, b) {
+ extendStatics(d, b);
+ function __() { this.constructor = d; }
+ d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+}
+
+var __assign = function() {
+ __assign = Object.assign || function __assign(t) {
+ for (var s, i = 1, n = arguments.length; i < n; i++) {
+ s = arguments[i];
+ for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
+ }
+ return t;
+ };
+ return __assign.apply(this, arguments);
+};
+
+/*
+Only handles foreground segs.
+Does not own rendering. Use for low-level util methods by TimeGrid.
+*/
+var TimeGridEventRenderer = /** @class */ (function (_super) {
+ __extends(TimeGridEventRenderer, _super);
+ function TimeGridEventRenderer(timeGrid) {
+ var _this = _super.call(this) || this;
+ _this.timeGrid = timeGrid;
+ return _this;
+ }
+ TimeGridEventRenderer.prototype.renderSegs = function (context, segs, mirrorInfo) {
+ _super.prototype.renderSegs.call(this, context, segs, mirrorInfo);
+ // TODO: dont do every time. memoize
+ this.fullTimeFormat = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createFormatter"])({
+ hour: 'numeric',
+ minute: '2-digit',
+ separator: this.context.options.defaultRangeSeparator
+ });
+ };
+ // Given an array of foreground segments, render a DOM element for each, computes position,
+ // and attaches to the column inner-container elements.
+ TimeGridEventRenderer.prototype.attachSegs = function (segs, mirrorInfo) {
+ var segsByCol = this.timeGrid.groupSegsByCol(segs);
+ // order the segs within each column
+ // TODO: have groupSegsByCol do this?
+ for (var col = 0; col < segsByCol.length; col++) {
+ segsByCol[col] = this.sortEventSegs(segsByCol[col]);
+ }
+ this.segsByCol = segsByCol;
+ this.timeGrid.attachSegsByCol(segsByCol, this.timeGrid.fgContainerEls);
+ };
+ TimeGridEventRenderer.prototype.detachSegs = function (segs) {
+ segs.forEach(function (seg) {
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["removeElement"])(seg.el);
+ });
+ this.segsByCol = null;
+ };
+ TimeGridEventRenderer.prototype.computeSegSizes = function (allSegs) {
+ var _a = this, timeGrid = _a.timeGrid, segsByCol = _a.segsByCol;
+ var colCnt = timeGrid.colCnt;
+ timeGrid.computeSegVerticals(allSegs); // horizontals relies on this
+ if (segsByCol) {
+ for (var col = 0; col < colCnt; col++) {
+ this.computeSegHorizontals(segsByCol[col]); // compute horizontal coordinates, z-index's, and reorder the array
+ }
+ }
+ };
+ TimeGridEventRenderer.prototype.assignSegSizes = function (allSegs) {
+ var _a = this, timeGrid = _a.timeGrid, segsByCol = _a.segsByCol;
+ var colCnt = timeGrid.colCnt;
+ timeGrid.assignSegVerticals(allSegs); // horizontals relies on this
+ if (segsByCol) {
+ for (var col = 0; col < colCnt; col++) {
+ this.assignSegCss(segsByCol[col]);
+ }
+ }
+ };
+ // Computes a default event time formatting string if `eventTimeFormat` is not explicitly defined
+ TimeGridEventRenderer.prototype.computeEventTimeFormat = function () {
+ return {
+ hour: 'numeric',
+ minute: '2-digit',
+ meridiem: false
+ };
+ };
+ // Computes a default `displayEventEnd` value if one is not expliclty defined
+ TimeGridEventRenderer.prototype.computeDisplayEventEnd = function () {
+ return true;
+ };
+ // Renders the HTML for a single event segment's default rendering
+ TimeGridEventRenderer.prototype.renderSegHtml = function (seg, mirrorInfo) {
+ var eventRange = seg.eventRange;
+ var eventDef = eventRange.def;
+ var eventUi = eventRange.ui;
+ var allDay = eventDef.allDay;
+ var isDraggable = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["computeEventDraggable"])(this.context, eventDef, eventUi);
+ var isResizableFromStart = seg.isStart && Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["computeEventStartResizable"])(this.context, eventDef, eventUi);
+ var isResizableFromEnd = seg.isEnd && Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["computeEventEndResizable"])(this.context, eventDef, eventUi);
+ var classes = this.getSegClasses(seg, isDraggable, isResizableFromStart || isResizableFromEnd, mirrorInfo);
+ var skinCss = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["cssToStr"])(this.getSkinCss(eventUi));
+ var timeText;
+ var fullTimeText; // more verbose time text. for the print stylesheet
+ var startTimeText; // just the start time text
+ classes.unshift('fc-time-grid-event');
+ // if the event appears to span more than one day...
+ if (Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["isMultiDayRange"])(eventRange.range)) {
+ // Don't display time text on segments that run entirely through a day.
+ // That would appear as midnight-midnight and would look dumb.
+ // Otherwise, display the time text for the *segment's* times (like 6pm-midnight or midnight-10am)
+ if (seg.isStart || seg.isEnd) {
+ var unzonedStart = seg.start;
+ var unzonedEnd = seg.end;
+ timeText = this._getTimeText(unzonedStart, unzonedEnd, allDay); // TODO: give the timezones
+ fullTimeText = this._getTimeText(unzonedStart, unzonedEnd, allDay, this.fullTimeFormat);
+ startTimeText = this._getTimeText(unzonedStart, unzonedEnd, allDay, null, false); // displayEnd=false
+ }
+ }
+ else {
+ // Display the normal time text for the *event's* times
+ timeText = this.getTimeText(eventRange);
+ fullTimeText = this.getTimeText(eventRange, this.fullTimeFormat);
+ startTimeText = this.getTimeText(eventRange, null, false); // displayEnd=false
+ }
+ return '
' +
+ '' +
+ (timeText ?
+ '
' +
+ '' + Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["htmlEscape"])(timeText) + '' +
+ '
' :
+ '') +
+ (eventDef.title ?
+ '
' +
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["htmlEscape"])(eventDef.title) +
+ '
' :
+ '') +
+ '
' +
+ /* TODO: write CSS for this
+ (isResizableFromStart ?
+ '' :
+ ''
+ ) +
+ */
+ (isResizableFromEnd ?
+ '' :
+ '') +
+ '';
+ };
+ // Given an array of segments that are all in the same column, sets the backwardCoord and forwardCoord on each.
+ // Assumed the segs are already ordered.
+ // NOTE: Also reorders the given array by date!
+ TimeGridEventRenderer.prototype.computeSegHorizontals = function (segs) {
+ var levels;
+ var level0;
+ var i;
+ levels = buildSlotSegLevels(segs);
+ computeForwardSlotSegs(levels);
+ if ((level0 = levels[0])) {
+ for (i = 0; i < level0.length; i++) {
+ computeSlotSegPressures(level0[i]);
+ }
+ for (i = 0; i < level0.length; i++) {
+ this.computeSegForwardBack(level0[i], 0, 0);
+ }
+ }
+ };
+ // Calculate seg.forwardCoord and seg.backwardCoord for the segment, where both values range
+ // from 0 to 1. If the calendar is left-to-right, the seg.backwardCoord maps to "left" and
+ // seg.forwardCoord maps to "right" (via percentage). Vice-versa if the calendar is right-to-left.
+ //
+ // The segment might be part of a "series", which means consecutive segments with the same pressure
+ // who's width is unknown until an edge has been hit. `seriesBackwardPressure` is the number of
+ // segments behind this one in the current series, and `seriesBackwardCoord` is the starting
+ // coordinate of the first segment in the series.
+ TimeGridEventRenderer.prototype.computeSegForwardBack = function (seg, seriesBackwardPressure, seriesBackwardCoord) {
+ var forwardSegs = seg.forwardSegs;
+ var i;
+ if (seg.forwardCoord === undefined) { // not already computed
+ if (!forwardSegs.length) {
+ // if there are no forward segments, this segment should butt up against the edge
+ seg.forwardCoord = 1;
+ }
+ else {
+ // sort highest pressure first
+ this.sortForwardSegs(forwardSegs);
+ // this segment's forwardCoord will be calculated from the backwardCoord of the
+ // highest-pressure forward segment.
+ this.computeSegForwardBack(forwardSegs[0], seriesBackwardPressure + 1, seriesBackwardCoord);
+ seg.forwardCoord = forwardSegs[0].backwardCoord;
+ }
+ // calculate the backwardCoord from the forwardCoord. consider the series
+ seg.backwardCoord = seg.forwardCoord -
+ (seg.forwardCoord - seriesBackwardCoord) / // available width for series
+ (seriesBackwardPressure + 1); // # of segments in the series
+ // use this segment's coordinates to computed the coordinates of the less-pressurized
+ // forward segments
+ for (i = 0; i < forwardSegs.length; i++) {
+ this.computeSegForwardBack(forwardSegs[i], 0, seg.forwardCoord);
+ }
+ }
+ };
+ TimeGridEventRenderer.prototype.sortForwardSegs = function (forwardSegs) {
+ var objs = forwardSegs.map(buildTimeGridSegCompareObj);
+ var specs = [
+ // put higher-pressure first
+ { field: 'forwardPressure', order: -1 },
+ // put segments that are closer to initial edge first (and favor ones with no coords yet)
+ { field: 'backwardCoord', order: 1 }
+ ].concat(this.context.eventOrderSpecs);
+ objs.sort(function (obj0, obj1) {
+ return Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["compareByFieldSpecs"])(obj0, obj1, specs);
+ });
+ return objs.map(function (c) {
+ return c._seg;
+ });
+ };
+ // Given foreground event segments that have already had their position coordinates computed,
+ // assigns position-related CSS values to their elements.
+ TimeGridEventRenderer.prototype.assignSegCss = function (segs) {
+ for (var _i = 0, segs_1 = segs; _i < segs_1.length; _i++) {
+ var seg = segs_1[_i];
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["applyStyle"])(seg.el, this.generateSegCss(seg));
+ if (seg.level > 0) {
+ seg.el.classList.add('fc-time-grid-event-inset');
+ }
+ // if the event is short that the title will be cut off,
+ // attach a className that condenses the title into the time area.
+ if (seg.eventRange.def.title && seg.bottom - seg.top < 30) {
+ seg.el.classList.add('fc-short'); // TODO: "condensed" is a better name
+ }
+ }
+ };
+ // Generates an object with CSS properties/values that should be applied to an event segment element.
+ // Contains important positioning-related properties that should be applied to any event element, customized or not.
+ TimeGridEventRenderer.prototype.generateSegCss = function (seg) {
+ var shouldOverlap = this.context.options.slotEventOverlap;
+ var backwardCoord = seg.backwardCoord; // the left side if LTR. the right side if RTL. floating-point
+ var forwardCoord = seg.forwardCoord; // the right side if LTR. the left side if RTL. floating-point
+ var props = this.timeGrid.generateSegVerticalCss(seg); // get top/bottom first
+ var isRtl = this.context.isRtl;
+ var left; // amount of space from left edge, a fraction of the total width
+ var right; // amount of space from right edge, a fraction of the total width
+ if (shouldOverlap) {
+ // double the width, but don't go beyond the maximum forward coordinate (1.0)
+ forwardCoord = Math.min(1, backwardCoord + (forwardCoord - backwardCoord) * 2);
+ }
+ if (isRtl) {
+ left = 1 - forwardCoord;
+ right = backwardCoord;
+ }
+ else {
+ left = backwardCoord;
+ right = 1 - forwardCoord;
+ }
+ props.zIndex = seg.level + 1; // convert from 0-base to 1-based
+ props.left = left * 100 + '%';
+ props.right = right * 100 + '%';
+ if (shouldOverlap && seg.forwardPressure) {
+ // add padding to the edge so that forward stacked events don't cover the resizer's icon
+ props[isRtl ? 'marginLeft' : 'marginRight'] = 10 * 2; // 10 is a guesstimate of the icon's width
+ }
+ return props;
+ };
+ return TimeGridEventRenderer;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["FgEventRenderer"]));
+// Builds an array of segments "levels". The first level will be the leftmost tier of segments if the calendar is
+// left-to-right, or the rightmost if the calendar is right-to-left. Assumes the segments are already ordered by date.
+function buildSlotSegLevels(segs) {
+ var levels = [];
+ var i;
+ var seg;
+ var j;
+ for (i = 0; i < segs.length; i++) {
+ seg = segs[i];
+ // go through all the levels and stop on the first level where there are no collisions
+ for (j = 0; j < levels.length; j++) {
+ if (!computeSlotSegCollisions(seg, levels[j]).length) {
+ break;
+ }
+ }
+ seg.level = j;
+ (levels[j] || (levels[j] = [])).push(seg);
+ }
+ return levels;
+}
+// For every segment, figure out the other segments that are in subsequent
+// levels that also occupy the same vertical space. Accumulate in seg.forwardSegs
+function computeForwardSlotSegs(levels) {
+ var i;
+ var level;
+ var j;
+ var seg;
+ var k;
+ for (i = 0; i < levels.length; i++) {
+ level = levels[i];
+ for (j = 0; j < level.length; j++) {
+ seg = level[j];
+ seg.forwardSegs = [];
+ for (k = i + 1; k < levels.length; k++) {
+ computeSlotSegCollisions(seg, levels[k], seg.forwardSegs);
+ }
+ }
+ }
+}
+// Figure out which path forward (via seg.forwardSegs) results in the longest path until
+// the furthest edge is reached. The number of segments in this path will be seg.forwardPressure
+function computeSlotSegPressures(seg) {
+ var forwardSegs = seg.forwardSegs;
+ var forwardPressure = 0;
+ var i;
+ var forwardSeg;
+ if (seg.forwardPressure === undefined) { // not already computed
+ for (i = 0; i < forwardSegs.length; i++) {
+ forwardSeg = forwardSegs[i];
+ // figure out the child's maximum forward path
+ computeSlotSegPressures(forwardSeg);
+ // either use the existing maximum, or use the child's forward pressure
+ // plus one (for the forwardSeg itself)
+ forwardPressure = Math.max(forwardPressure, 1 + forwardSeg.forwardPressure);
+ }
+ seg.forwardPressure = forwardPressure;
+ }
+}
+// Find all the segments in `otherSegs` that vertically collide with `seg`.
+// Append into an optionally-supplied `results` array and return.
+function computeSlotSegCollisions(seg, otherSegs, results) {
+ if (results === void 0) { results = []; }
+ for (var i = 0; i < otherSegs.length; i++) {
+ if (isSlotSegCollision(seg, otherSegs[i])) {
+ results.push(otherSegs[i]);
+ }
+ }
+ return results;
+}
+// Do these segments occupy the same vertical space?
+function isSlotSegCollision(seg1, seg2) {
+ return seg1.bottom > seg2.top && seg1.top < seg2.bottom;
+}
+function buildTimeGridSegCompareObj(seg) {
+ var obj = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["buildSegCompareObj"])(seg);
+ obj.forwardPressure = seg.forwardPressure;
+ obj.backwardCoord = seg.backwardCoord;
+ return obj;
+}
+
+var TimeGridMirrorRenderer = /** @class */ (function (_super) {
+ __extends(TimeGridMirrorRenderer, _super);
+ function TimeGridMirrorRenderer() {
+ return _super !== null && _super.apply(this, arguments) || this;
+ }
+ TimeGridMirrorRenderer.prototype.attachSegs = function (segs, mirrorInfo) {
+ this.segsByCol = this.timeGrid.groupSegsByCol(segs);
+ this.timeGrid.attachSegsByCol(this.segsByCol, this.timeGrid.mirrorContainerEls);
+ this.sourceSeg = mirrorInfo.sourceSeg;
+ };
+ TimeGridMirrorRenderer.prototype.generateSegCss = function (seg) {
+ var props = _super.prototype.generateSegCss.call(this, seg);
+ var sourceSeg = this.sourceSeg;
+ if (sourceSeg && sourceSeg.col === seg.col) {
+ var sourceSegProps = _super.prototype.generateSegCss.call(this, sourceSeg);
+ props.left = sourceSegProps.left;
+ props.right = sourceSegProps.right;
+ props.marginLeft = sourceSegProps.marginLeft;
+ props.marginRight = sourceSegProps.marginRight;
+ }
+ return props;
+ };
+ return TimeGridMirrorRenderer;
+}(TimeGridEventRenderer));
+
+var TimeGridFillRenderer = /** @class */ (function (_super) {
+ __extends(TimeGridFillRenderer, _super);
+ function TimeGridFillRenderer(timeGrid) {
+ var _this = _super.call(this) || this;
+ _this.timeGrid = timeGrid;
+ return _this;
+ }
+ TimeGridFillRenderer.prototype.attachSegs = function (type, segs) {
+ var timeGrid = this.timeGrid;
+ var containerEls;
+ // TODO: more efficient lookup
+ if (type === 'bgEvent') {
+ containerEls = timeGrid.bgContainerEls;
+ }
+ else if (type === 'businessHours') {
+ containerEls = timeGrid.businessContainerEls;
+ }
+ else if (type === 'highlight') {
+ containerEls = timeGrid.highlightContainerEls;
+ }
+ timeGrid.attachSegsByCol(timeGrid.groupSegsByCol(segs), containerEls);
+ return segs.map(function (seg) {
+ return seg.el;
+ });
+ };
+ TimeGridFillRenderer.prototype.computeSegSizes = function (segs) {
+ this.timeGrid.computeSegVerticals(segs);
+ };
+ TimeGridFillRenderer.prototype.assignSegSizes = function (segs) {
+ this.timeGrid.assignSegVerticals(segs);
+ };
+ return TimeGridFillRenderer;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["FillRenderer"]));
+
+/* A component that renders one or more columns of vertical time slots
+----------------------------------------------------------------------------------------------------------------------*/
+// potential nice values for the slot-duration and interval-duration
+// from largest to smallest
+var AGENDA_STOCK_SUB_DURATIONS = [
+ { hours: 1 },
+ { minutes: 30 },
+ { minutes: 15 },
+ { seconds: 30 },
+ { seconds: 15 }
+];
+var TimeGrid = /** @class */ (function (_super) {
+ __extends(TimeGrid, _super);
+ function TimeGrid(el, renderProps) {
+ var _this = _super.call(this, el) || this;
+ _this.isSlatSizesDirty = false;
+ _this.isColSizesDirty = false;
+ _this.processOptions = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoize"])(_this._processOptions);
+ _this.renderSkeleton = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(_this._renderSkeleton);
+ _this.renderSlats = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(_this._renderSlats, null, [_this.renderSkeleton]);
+ _this.renderColumns = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(_this._renderColumns, _this._unrenderColumns, [_this.renderSkeleton]);
+ _this.renderProps = renderProps;
+ var renderColumns = _this.renderColumns;
+ var eventRenderer = _this.eventRenderer = new TimeGridEventRenderer(_this);
+ var fillRenderer = _this.fillRenderer = new TimeGridFillRenderer(_this);
+ _this.mirrorRenderer = new TimeGridMirrorRenderer(_this);
+ _this.renderBusinessHours = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(fillRenderer.renderSegs.bind(fillRenderer, 'businessHours'), fillRenderer.unrender.bind(fillRenderer, 'businessHours'), [renderColumns]);
+ _this.renderDateSelection = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(_this._renderDateSelection, _this._unrenderDateSelection, [renderColumns]);
+ _this.renderFgEvents = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(eventRenderer.renderSegs.bind(eventRenderer), eventRenderer.unrender.bind(eventRenderer), [renderColumns]);
+ _this.renderBgEvents = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(fillRenderer.renderSegs.bind(fillRenderer, 'bgEvent'), fillRenderer.unrender.bind(fillRenderer, 'bgEvent'), [renderColumns]);
+ _this.renderEventSelection = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(eventRenderer.selectByInstanceId.bind(eventRenderer), eventRenderer.unselectByInstanceId.bind(eventRenderer), [_this.renderFgEvents]);
+ _this.renderEventDrag = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(_this._renderEventDrag, _this._unrenderEventDrag, [renderColumns]);
+ _this.renderEventResize = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(_this._renderEventResize, _this._unrenderEventResize, [renderColumns]);
+ return _this;
+ }
+ /* Options
+ ------------------------------------------------------------------------------------------------------------------*/
+ // Parses various options into properties of this object
+ // MUST have context already set
+ TimeGrid.prototype._processOptions = function (options) {
+ var slotDuration = options.slotDuration, snapDuration = options.snapDuration;
+ var snapsPerSlot;
+ var input;
+ slotDuration = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createDuration"])(slotDuration);
+ snapDuration = snapDuration ? Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createDuration"])(snapDuration) : slotDuration;
+ snapsPerSlot = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["wholeDivideDurations"])(slotDuration, snapDuration);
+ if (snapsPerSlot === null) {
+ snapDuration = slotDuration;
+ snapsPerSlot = 1;
+ // TODO: say warning?
+ }
+ this.slotDuration = slotDuration;
+ this.snapDuration = snapDuration;
+ this.snapsPerSlot = snapsPerSlot;
+ // might be an array value (for TimelineView).
+ // if so, getting the most granular entry (the last one probably).
+ input = options.slotLabelFormat;
+ if (Array.isArray(input)) {
+ input = input[input.length - 1];
+ }
+ this.labelFormat = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createFormatter"])(input || {
+ hour: 'numeric',
+ minute: '2-digit',
+ omitZeroMinute: true,
+ meridiem: 'short'
+ });
+ input = options.slotLabelInterval;
+ this.labelInterval = input ?
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createDuration"])(input) :
+ this.computeLabelInterval(slotDuration);
+ };
+ // Computes an automatic value for slotLabelInterval
+ TimeGrid.prototype.computeLabelInterval = function (slotDuration) {
+ var i;
+ var labelInterval;
+ var slotsPerLabel;
+ // find the smallest stock label interval that results in more than one slots-per-label
+ for (i = AGENDA_STOCK_SUB_DURATIONS.length - 1; i >= 0; i--) {
+ labelInterval = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createDuration"])(AGENDA_STOCK_SUB_DURATIONS[i]);
+ slotsPerLabel = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["wholeDivideDurations"])(labelInterval, slotDuration);
+ if (slotsPerLabel !== null && slotsPerLabel > 1) {
+ return labelInterval;
+ }
+ }
+ return slotDuration; // fall back
+ };
+ /* Rendering
+ ------------------------------------------------------------------------------------------------------------------*/
+ TimeGrid.prototype.render = function (props, context) {
+ this.processOptions(context.options);
+ var cells = props.cells;
+ this.colCnt = cells.length;
+ this.renderSkeleton(context.theme);
+ this.renderSlats(props.dateProfile);
+ this.renderColumns(props.cells, props.dateProfile);
+ this.renderBusinessHours(context, props.businessHourSegs);
+ this.renderDateSelection(props.dateSelectionSegs);
+ this.renderFgEvents(context, props.fgEventSegs);
+ this.renderBgEvents(context, props.bgEventSegs);
+ this.renderEventSelection(props.eventSelection);
+ this.renderEventDrag(props.eventDrag);
+ this.renderEventResize(props.eventResize);
+ };
+ TimeGrid.prototype.destroy = function () {
+ _super.prototype.destroy.call(this);
+ // should unrender everything else too
+ this.renderSlats.unrender();
+ this.renderColumns.unrender();
+ this.renderSkeleton.unrender();
+ };
+ TimeGrid.prototype.updateSize = function (isResize) {
+ var _a = this, fillRenderer = _a.fillRenderer, eventRenderer = _a.eventRenderer, mirrorRenderer = _a.mirrorRenderer;
+ if (isResize || this.isSlatSizesDirty) {
+ this.buildSlatPositions();
+ this.isSlatSizesDirty = false;
+ }
+ if (isResize || this.isColSizesDirty) {
+ this.buildColPositions();
+ this.isColSizesDirty = false;
+ }
+ fillRenderer.computeSizes(isResize);
+ eventRenderer.computeSizes(isResize);
+ mirrorRenderer.computeSizes(isResize);
+ fillRenderer.assignSizes(isResize);
+ eventRenderer.assignSizes(isResize);
+ mirrorRenderer.assignSizes(isResize);
+ };
+ TimeGrid.prototype._renderSkeleton = function (theme) {
+ var el = this.el;
+ el.innerHTML =
+ '
' +
+ '
' +
+ '';
+ this.rootBgContainerEl = el.querySelector('.fc-bg');
+ this.slatContainerEl = el.querySelector('.fc-slats');
+ this.bottomRuleEl = el.querySelector('.fc-divider');
+ };
+ TimeGrid.prototype._renderSlats = function (dateProfile) {
+ var theme = this.context.theme;
+ this.slatContainerEl.innerHTML =
+ '
' +
+ this.renderSlatRowHtml(dateProfile) +
+ '
';
+ this.slatEls = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(this.slatContainerEl, 'tr');
+ this.slatPositions = new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["PositionCache"](this.el, this.slatEls, false, true // vertical
+ );
+ this.isSlatSizesDirty = true;
+ };
+ // Generates the HTML for the horizontal "slats" that run width-wise. Has a time axis on a side. Depends on RTL.
+ TimeGrid.prototype.renderSlatRowHtml = function (dateProfile) {
+ var _a = this.context, dateEnv = _a.dateEnv, theme = _a.theme, isRtl = _a.isRtl;
+ var html = '';
+ var dayStart = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["startOfDay"])(dateProfile.renderRange.start);
+ var slotTime = dateProfile.minTime;
+ var slotIterator = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createDuration"])(0);
+ var slotDate; // will be on the view's first day, but we only care about its time
+ var isLabeled;
+ var axisHtml;
+ // Calculate the time for each slot
+ while (Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["asRoughMs"])(slotTime) < Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["asRoughMs"])(dateProfile.maxTime)) {
+ slotDate = dateEnv.add(dayStart, slotTime);
+ isLabeled = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["wholeDivideDurations"])(slotIterator, this.labelInterval) !== null;
+ axisHtml =
+ '
' +
+ (isLabeled ?
+ '' + // for matchCellWidths
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["htmlEscape"])(dateEnv.format(slotDate, this.labelFormat)) +
+ '' :
+ '') +
+ ' | ';
+ html +=
+ '
' +
+ (!isRtl ? axisHtml : '') +
+ ' | ' +
+ (isRtl ? axisHtml : '') +
+ '
';
+ slotTime = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["addDurations"])(slotTime, this.slotDuration);
+ slotIterator = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["addDurations"])(slotIterator, this.slotDuration);
+ }
+ return html;
+ };
+ TimeGrid.prototype._renderColumns = function (cells, dateProfile) {
+ var _a = this.context, calendar = _a.calendar, view = _a.view, isRtl = _a.isRtl, theme = _a.theme, dateEnv = _a.dateEnv;
+ var bgRow = new _fullcalendar_daygrid__WEBPACK_IMPORTED_MODULE_1__["DayBgRow"](this.context);
+ this.rootBgContainerEl.innerHTML =
+ '
' +
+ bgRow.renderHtml({
+ cells: cells,
+ dateProfile: dateProfile,
+ renderIntroHtml: this.renderProps.renderBgIntroHtml
+ }) +
+ '
';
+ this.colEls = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(this.el, '.fc-day, .fc-disabled-day');
+ for (var col = 0; col < this.colCnt; col++) {
+ calendar.publiclyTrigger('dayRender', [
+ {
+ date: dateEnv.toDate(cells[col].date),
+ el: this.colEls[col],
+ view: view
+ }
+ ]);
+ }
+ if (isRtl) {
+ this.colEls.reverse();
+ }
+ this.colPositions = new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["PositionCache"](this.el, this.colEls, true, // horizontal
+ false);
+ this.renderContentSkeleton();
+ this.isColSizesDirty = true;
+ };
+ TimeGrid.prototype._unrenderColumns = function () {
+ this.unrenderContentSkeleton();
+ };
+ /* Content Skeleton
+ ------------------------------------------------------------------------------------------------------------------*/
+ // Renders the DOM that the view's content will live in
+ TimeGrid.prototype.renderContentSkeleton = function () {
+ var isRtl = this.context.isRtl;
+ var parts = [];
+ var skeletonEl;
+ parts.push(this.renderProps.renderIntroHtml());
+ for (var i = 0; i < this.colCnt; i++) {
+ parts.push('
' +
+ '' +
+ ' ' +
+ ' ' +
+ ' ' +
+ ' ' +
+ ' ' +
+ ' ' +
+ ' | ');
+ }
+ if (isRtl) {
+ parts.reverse();
+ }
+ skeletonEl = this.contentSkeletonEl = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["htmlToElement"])('
' +
+ '
' +
+ '' + parts.join('') + '
' +
+ '
' +
+ '
');
+ this.colContainerEls = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(skeletonEl, '.fc-content-col');
+ this.mirrorContainerEls = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(skeletonEl, '.fc-mirror-container');
+ this.fgContainerEls = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(skeletonEl, '.fc-event-container:not(.fc-mirror-container)');
+ this.bgContainerEls = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(skeletonEl, '.fc-bgevent-container');
+ this.highlightContainerEls = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(skeletonEl, '.fc-highlight-container');
+ this.businessContainerEls = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(skeletonEl, '.fc-business-container');
+ if (isRtl) {
+ this.colContainerEls.reverse();
+ this.mirrorContainerEls.reverse();
+ this.fgContainerEls.reverse();
+ this.bgContainerEls.reverse();
+ this.highlightContainerEls.reverse();
+ this.businessContainerEls.reverse();
+ }
+ this.el.appendChild(skeletonEl);
+ };
+ TimeGrid.prototype.unrenderContentSkeleton = function () {
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["removeElement"])(this.contentSkeletonEl);
+ };
+ // Given a flat array of segments, return an array of sub-arrays, grouped by each segment's col
+ TimeGrid.prototype.groupSegsByCol = function (segs) {
+ var segsByCol = [];
+ var i;
+ for (i = 0; i < this.colCnt; i++) {
+ segsByCol.push([]);
+ }
+ for (i = 0; i < segs.length; i++) {
+ segsByCol[segs[i].col].push(segs[i]);
+ }
+ return segsByCol;
+ };
+ // Given segments grouped by column, insert the segments' elements into a parallel array of container
+ // elements, each living within a column.
+ TimeGrid.prototype.attachSegsByCol = function (segsByCol, containerEls) {
+ var col;
+ var segs;
+ var i;
+ for (col = 0; col < this.colCnt; col++) { // iterate each column grouping
+ segs = segsByCol[col];
+ for (i = 0; i < segs.length; i++) {
+ containerEls[col].appendChild(segs[i].el);
+ }
+ }
+ };
+ /* Now Indicator
+ ------------------------------------------------------------------------------------------------------------------*/
+ TimeGrid.prototype.getNowIndicatorUnit = function () {
+ return 'minute'; // will refresh on the minute
+ };
+ TimeGrid.prototype.renderNowIndicator = function (segs, date) {
+ // HACK: if date columns not ready for some reason (scheduler)
+ if (!this.colContainerEls) {
+ return;
+ }
+ var top = this.computeDateTop(date);
+ var nodes = [];
+ var i;
+ // render lines within the columns
+ for (i = 0; i < segs.length; i++) {
+ var lineEl = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createElement"])('div', { className: 'fc-now-indicator fc-now-indicator-line' });
+ lineEl.style.top = top + 'px';
+ this.colContainerEls[segs[i].col].appendChild(lineEl);
+ nodes.push(lineEl);
+ }
+ // render an arrow over the axis
+ if (segs.length > 0) { // is the current time in view?
+ var arrowEl = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createElement"])('div', { className: 'fc-now-indicator fc-now-indicator-arrow' });
+ arrowEl.style.top = top + 'px';
+ this.contentSkeletonEl.appendChild(arrowEl);
+ nodes.push(arrowEl);
+ }
+ this.nowIndicatorEls = nodes;
+ };
+ TimeGrid.prototype.unrenderNowIndicator = function () {
+ if (this.nowIndicatorEls) {
+ this.nowIndicatorEls.forEach(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["removeElement"]);
+ this.nowIndicatorEls = null;
+ }
+ };
+ /* Coordinates
+ ------------------------------------------------------------------------------------------------------------------*/
+ TimeGrid.prototype.getTotalSlatHeight = function () {
+ return this.slatContainerEl.getBoundingClientRect().height;
+ };
+ // Computes the top coordinate, relative to the bounds of the grid, of the given date.
+ // A `startOfDayDate` must be given for avoiding ambiguity over how to treat midnight.
+ TimeGrid.prototype.computeDateTop = function (when, startOfDayDate) {
+ if (!startOfDayDate) {
+ startOfDayDate = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["startOfDay"])(when);
+ }
+ return this.computeTimeTop(Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createDuration"])(when.valueOf() - startOfDayDate.valueOf()));
+ };
+ // Computes the top coordinate, relative to the bounds of the grid, of the given time (a Duration).
+ TimeGrid.prototype.computeTimeTop = function (duration) {
+ var len = this.slatEls.length;
+ var dateProfile = this.props.dateProfile;
+ var slatCoverage = (duration.milliseconds - Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["asRoughMs"])(dateProfile.minTime)) / Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["asRoughMs"])(this.slotDuration); // floating-point value of # of slots covered
+ var slatIndex;
+ var slatRemainder;
+ // compute a floating-point number for how many slats should be progressed through.
+ // from 0 to number of slats (inclusive)
+ // constrained because minTime/maxTime might be customized.
+ slatCoverage = Math.max(0, slatCoverage);
+ slatCoverage = Math.min(len, slatCoverage);
+ // an integer index of the furthest whole slat
+ // from 0 to number slats (*exclusive*, so len-1)
+ slatIndex = Math.floor(slatCoverage);
+ slatIndex = Math.min(slatIndex, len - 1);
+ // how much further through the slatIndex slat (from 0.0-1.0) must be covered in addition.
+ // could be 1.0 if slatCoverage is covering *all* the slots
+ slatRemainder = slatCoverage - slatIndex;
+ return this.slatPositions.tops[slatIndex] +
+ this.slatPositions.getHeight(slatIndex) * slatRemainder;
+ };
+ // For each segment in an array, computes and assigns its top and bottom properties
+ TimeGrid.prototype.computeSegVerticals = function (segs) {
+ var options = this.context.options;
+ var eventMinHeight = options.timeGridEventMinHeight;
+ var i;
+ var seg;
+ var dayDate;
+ for (i = 0; i < segs.length; i++) {
+ seg = segs[i];
+ dayDate = this.props.cells[seg.col].date;
+ seg.top = this.computeDateTop(seg.start, dayDate);
+ seg.bottom = Math.max(seg.top + eventMinHeight, this.computeDateTop(seg.end, dayDate));
+ }
+ };
+ // Given segments that already have their top/bottom properties computed, applies those values to
+ // the segments' elements.
+ TimeGrid.prototype.assignSegVerticals = function (segs) {
+ var i;
+ var seg;
+ for (i = 0; i < segs.length; i++) {
+ seg = segs[i];
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["applyStyle"])(seg.el, this.generateSegVerticalCss(seg));
+ }
+ };
+ // Generates an object with CSS properties for the top/bottom coordinates of a segment element
+ TimeGrid.prototype.generateSegVerticalCss = function (seg) {
+ return {
+ top: seg.top,
+ bottom: -seg.bottom // flipped because needs to be space beyond bottom edge of event container
+ };
+ };
+ /* Sizing
+ ------------------------------------------------------------------------------------------------------------------*/
+ TimeGrid.prototype.buildPositionCaches = function () {
+ this.buildColPositions();
+ this.buildSlatPositions();
+ };
+ TimeGrid.prototype.buildColPositions = function () {
+ this.colPositions.build();
+ };
+ TimeGrid.prototype.buildSlatPositions = function () {
+ this.slatPositions.build();
+ };
+ /* Hit System
+ ------------------------------------------------------------------------------------------------------------------*/
+ TimeGrid.prototype.positionToHit = function (positionLeft, positionTop) {
+ var dateEnv = this.context.dateEnv;
+ var _a = this, snapsPerSlot = _a.snapsPerSlot, slatPositions = _a.slatPositions, colPositions = _a.colPositions;
+ var colIndex = colPositions.leftToIndex(positionLeft);
+ var slatIndex = slatPositions.topToIndex(positionTop);
+ if (colIndex != null && slatIndex != null) {
+ var slatTop = slatPositions.tops[slatIndex];
+ var slatHeight = slatPositions.getHeight(slatIndex);
+ var partial = (positionTop - slatTop) / slatHeight; // floating point number between 0 and 1
+ var localSnapIndex = Math.floor(partial * snapsPerSlot); // the snap # relative to start of slat
+ var snapIndex = slatIndex * snapsPerSlot + localSnapIndex;
+ var dayDate = this.props.cells[colIndex].date;
+ var time = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["addDurations"])(this.props.dateProfile.minTime, Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["multiplyDuration"])(this.snapDuration, snapIndex));
+ var start = dateEnv.add(dayDate, time);
+ var end = dateEnv.add(start, this.snapDuration);
+ return {
+ col: colIndex,
+ dateSpan: {
+ range: { start: start, end: end },
+ allDay: false
+ },
+ dayEl: this.colEls[colIndex],
+ relativeRect: {
+ left: colPositions.lefts[colIndex],
+ right: colPositions.rights[colIndex],
+ top: slatTop,
+ bottom: slatTop + slatHeight
+ }
+ };
+ }
+ };
+ /* Event Drag Visualization
+ ------------------------------------------------------------------------------------------------------------------*/
+ TimeGrid.prototype._renderEventDrag = function (state) {
+ if (state) {
+ this.eventRenderer.hideByHash(state.affectedInstances);
+ if (state.isEvent) {
+ this.mirrorRenderer.renderSegs(this.context, state.segs, { isDragging: true, sourceSeg: state.sourceSeg });
+ }
+ else {
+ this.fillRenderer.renderSegs('highlight', this.context, state.segs);
+ }
+ }
+ };
+ TimeGrid.prototype._unrenderEventDrag = function (state) {
+ if (state) {
+ this.eventRenderer.showByHash(state.affectedInstances);
+ if (state.isEvent) {
+ this.mirrorRenderer.unrender(this.context, state.segs, { isDragging: true, sourceSeg: state.sourceSeg });
+ }
+ else {
+ this.fillRenderer.unrender('highlight', this.context);
+ }
+ }
+ };
+ /* Event Resize Visualization
+ ------------------------------------------------------------------------------------------------------------------*/
+ TimeGrid.prototype._renderEventResize = function (state) {
+ if (state) {
+ this.eventRenderer.hideByHash(state.affectedInstances);
+ this.mirrorRenderer.renderSegs(this.context, state.segs, { isResizing: true, sourceSeg: state.sourceSeg });
+ }
+ };
+ TimeGrid.prototype._unrenderEventResize = function (state) {
+ if (state) {
+ this.eventRenderer.showByHash(state.affectedInstances);
+ this.mirrorRenderer.unrender(this.context, state.segs, { isResizing: true, sourceSeg: state.sourceSeg });
+ }
+ };
+ /* Selection
+ ------------------------------------------------------------------------------------------------------------------*/
+ // Renders a visual indication of a selection. Overrides the default, which was to simply render a highlight.
+ TimeGrid.prototype._renderDateSelection = function (segs) {
+ if (segs) {
+ if (this.context.options.selectMirror) {
+ this.mirrorRenderer.renderSegs(this.context, segs, { isSelecting: true });
+ }
+ else {
+ this.fillRenderer.renderSegs('highlight', this.context, segs);
+ }
+ }
+ };
+ TimeGrid.prototype._unrenderDateSelection = function (segs) {
+ if (segs) {
+ if (this.context.options.selectMirror) {
+ this.mirrorRenderer.unrender(this.context, segs, { isSelecting: true });
+ }
+ else {
+ this.fillRenderer.unrender('highlight', this.context);
+ }
+ }
+ };
+ return TimeGrid;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["DateComponent"]));
+
+var AllDaySplitter = /** @class */ (function (_super) {
+ __extends(AllDaySplitter, _super);
+ function AllDaySplitter() {
+ return _super !== null && _super.apply(this, arguments) || this;
+ }
+ AllDaySplitter.prototype.getKeyInfo = function () {
+ return {
+ allDay: {},
+ timed: {}
+ };
+ };
+ AllDaySplitter.prototype.getKeysForDateSpan = function (dateSpan) {
+ if (dateSpan.allDay) {
+ return ['allDay'];
+ }
+ else {
+ return ['timed'];
+ }
+ };
+ AllDaySplitter.prototype.getKeysForEventDef = function (eventDef) {
+ if (!eventDef.allDay) {
+ return ['timed'];
+ }
+ else if (Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["hasBgRendering"])(eventDef)) {
+ return ['timed', 'allDay'];
+ }
+ else {
+ return ['allDay'];
+ }
+ };
+ return AllDaySplitter;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["Splitter"]));
+
+var TIMEGRID_ALL_DAY_EVENT_LIMIT = 5;
+var WEEK_HEADER_FORMAT = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createFormatter"])({ week: 'short' });
+/* An abstract class for all timegrid-related views. Displays one more columns with time slots running vertically.
+----------------------------------------------------------------------------------------------------------------------*/
+// Is a manager for the TimeGrid subcomponent and possibly the DayGrid subcomponent (if allDaySlot is on).
+// Responsible for managing width/height.
+var AbstractTimeGridView = /** @class */ (function (_super) {
+ __extends(AbstractTimeGridView, _super);
+ function AbstractTimeGridView() {
+ var _this = _super !== null && _super.apply(this, arguments) || this;
+ _this.splitter = new AllDaySplitter();
+ _this.renderSkeleton = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoizeRendering"])(_this._renderSkeleton, _this._unrenderSkeleton);
+ /* Header Render Methods
+ ------------------------------------------------------------------------------------------------------------------*/
+ // Generates the HTML that will go before the day-of week header cells
+ _this.renderHeadIntroHtml = function () {
+ var _a = _this.context, theme = _a.theme, dateEnv = _a.dateEnv, options = _a.options;
+ var range = _this.props.dateProfile.renderRange;
+ var dayCnt = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["diffDays"])(range.start, range.end);
+ var weekText;
+ if (options.weekNumbers) {
+ weekText = dateEnv.format(range.start, WEEK_HEADER_FORMAT);
+ return '' +
+ '';
+ }
+ else {
+ return '';
+ }
+ };
+ /* Time Grid Render Methods
+ ------------------------------------------------------------------------------------------------------------------*/
+ // Generates the HTML that goes before the bg of the TimeGrid slot area. Long vertical column.
+ _this.renderTimeGridBgIntroHtml = function () {
+ var theme = _this.context.theme;
+ return '
| ';
+ };
+ // Generates the HTML that goes before all other types of cells.
+ // Affects content-skeleton, mirror-skeleton, highlight-skeleton for both the time-grid and day-grid.
+ _this.renderTimeGridIntroHtml = function () {
+ return '
| ';
+ };
+ /* Day Grid Render Methods
+ ------------------------------------------------------------------------------------------------------------------*/
+ // Generates the HTML that goes before the all-day cells
+ _this.renderDayGridBgIntroHtml = function () {
+ var _a = _this.context, theme = _a.theme, options = _a.options;
+ return '' +
+ '
' +
+ '' + // needed for matchCellWidths
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["getAllDayHtml"])(options) +
+ '' +
+ ' | ';
+ };
+ // Generates the HTML that goes before all other types of cells.
+ // Affects content-skeleton, mirror-skeleton, highlight-skeleton for both the time-grid and day-grid.
+ _this.renderDayGridIntroHtml = function () {
+ return '
| ';
+ };
+ return _this;
+ }
+ AbstractTimeGridView.prototype.render = function (props, context) {
+ _super.prototype.render.call(this, props, context);
+ this.renderSkeleton(context);
+ };
+ AbstractTimeGridView.prototype.destroy = function () {
+ _super.prototype.destroy.call(this);
+ this.renderSkeleton.unrender();
+ };
+ AbstractTimeGridView.prototype._renderSkeleton = function (context) {
+ this.el.classList.add('fc-timeGrid-view');
+ this.el.innerHTML = this.renderSkeletonHtml();
+ this.scroller = new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["ScrollComponent"]('hidden', // overflow x
+ 'auto' // overflow y
+ );
+ var timeGridWrapEl = this.scroller.el;
+ this.el.querySelector('.fc-body > tr > td').appendChild(timeGridWrapEl);
+ timeGridWrapEl.classList.add('fc-time-grid-container');
+ var timeGridEl = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createElement"])('div', { className: 'fc-time-grid' });
+ timeGridWrapEl.appendChild(timeGridEl);
+ this.timeGrid = new TimeGrid(timeGridEl, {
+ renderBgIntroHtml: this.renderTimeGridBgIntroHtml,
+ renderIntroHtml: this.renderTimeGridIntroHtml
+ });
+ if (context.options.allDaySlot) { // should we display the "all-day" area?
+ this.dayGrid = new _fullcalendar_daygrid__WEBPACK_IMPORTED_MODULE_1__["DayGrid"](// the all-day subcomponent of this view
+ this.el.querySelector('.fc-day-grid'), {
+ renderNumberIntroHtml: this.renderDayGridIntroHtml,
+ renderBgIntroHtml: this.renderDayGridBgIntroHtml,
+ renderIntroHtml: this.renderDayGridIntroHtml,
+ colWeekNumbersVisible: false,
+ cellWeekNumbersVisible: false
+ });
+ // have the day-grid extend it's coordinate area over the
dividing the two grids
+ var dividerEl = this.el.querySelector('.fc-divider');
+ this.dayGrid.bottomCoordPadding = dividerEl.getBoundingClientRect().height;
+ }
+ };
+ AbstractTimeGridView.prototype._unrenderSkeleton = function () {
+ this.el.classList.remove('fc-timeGrid-view');
+ this.timeGrid.destroy();
+ if (this.dayGrid) {
+ this.dayGrid.destroy();
+ }
+ this.scroller.destroy();
+ };
+ /* Rendering
+ ------------------------------------------------------------------------------------------------------------------*/
+ // Builds the HTML skeleton for the view.
+ // The day-grid and time-grid components will render inside containers defined by this HTML.
+ AbstractTimeGridView.prototype.renderSkeletonHtml = function () {
+ var _a = this.context, theme = _a.theme, options = _a.options;
+ return '' +
+ '
' +
+ (options.columnHeader ?
+ '' +
+ '' +
+ '' +
+ '
' +
+ '' :
+ '') +
+ '' +
+ '' +
+ '' +
+ (options.allDaySlot ?
+ '' +
+ '' :
+ '') +
+ ' | ' +
+ '
' +
+ '' +
+ '
';
+ };
+ /* Now Indicator
+ ------------------------------------------------------------------------------------------------------------------*/
+ AbstractTimeGridView.prototype.getNowIndicatorUnit = function () {
+ return this.timeGrid.getNowIndicatorUnit();
+ };
+ // subclasses should implement
+ // renderNowIndicator(date: DateMarker) {
+ // }
+ AbstractTimeGridView.prototype.unrenderNowIndicator = function () {
+ this.timeGrid.unrenderNowIndicator();
+ };
+ /* Dimensions
+ ------------------------------------------------------------------------------------------------------------------*/
+ AbstractTimeGridView.prototype.updateSize = function (isResize, viewHeight, isAuto) {
+ _super.prototype.updateSize.call(this, isResize, viewHeight, isAuto); // will call updateBaseSize. important that executes first
+ this.timeGrid.updateSize(isResize);
+ if (this.dayGrid) {
+ this.dayGrid.updateSize(isResize);
+ }
+ };
+ // Adjusts the vertical dimensions of the view to the specified values
+ AbstractTimeGridView.prototype.updateBaseSize = function (isResize, viewHeight, isAuto) {
+ var _this = this;
+ var eventLimit;
+ var scrollerHeight;
+ var scrollbarWidths;
+ // make all axis cells line up
+ this.axisWidth = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["matchCellWidths"])(Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(this.el, '.fc-axis'));
+ // hack to give the view some height prior to timeGrid's columns being rendered
+ // TODO: separate setting height from scroller VS timeGrid.
+ if (!this.timeGrid.colEls) {
+ if (!isAuto) {
+ scrollerHeight = this.computeScrollerHeight(viewHeight);
+ this.scroller.setHeight(scrollerHeight);
+ }
+ return;
+ }
+ // set of fake row elements that must compensate when scroller has scrollbars
+ var noScrollRowEls = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["findElements"])(this.el, '.fc-row').filter(function (node) {
+ return !_this.scroller.el.contains(node);
+ });
+ // reset all dimensions back to the original state
+ this.timeGrid.bottomRuleEl.style.display = 'none'; // will be shown later if this
is necessary
+ this.scroller.clear(); // sets height to 'auto' and clears overflow
+ noScrollRowEls.forEach(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["uncompensateScroll"]);
+ // limit number of events in the all-day area
+ if (this.dayGrid) {
+ this.dayGrid.removeSegPopover(); // kill the "more" popover if displayed
+ eventLimit = this.context.options.eventLimit;
+ if (eventLimit && typeof eventLimit !== 'number') {
+ eventLimit = TIMEGRID_ALL_DAY_EVENT_LIMIT; // make sure "auto" goes to a real number
+ }
+ if (eventLimit) {
+ this.dayGrid.limitRows(eventLimit);
+ }
+ }
+ if (!isAuto) { // should we force dimensions of the scroll container?
+ scrollerHeight = this.computeScrollerHeight(viewHeight);
+ this.scroller.setHeight(scrollerHeight);
+ scrollbarWidths = this.scroller.getScrollbarWidths();
+ if (scrollbarWidths.left || scrollbarWidths.right) { // using scrollbars?
+ // make the all-day and header rows lines up
+ noScrollRowEls.forEach(function (rowEl) {
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["compensateScroll"])(rowEl, scrollbarWidths);
+ });
+ // the scrollbar compensation might have changed text flow, which might affect height, so recalculate
+ // and reapply the desired height to the scroller.
+ scrollerHeight = this.computeScrollerHeight(viewHeight);
+ this.scroller.setHeight(scrollerHeight);
+ }
+ // guarantees the same scrollbar widths
+ this.scroller.lockOverflow(scrollbarWidths);
+ // if there's any space below the slats, show the horizontal rule.
+ // this won't cause any new overflow, because lockOverflow already called.
+ if (this.timeGrid.getTotalSlatHeight() < scrollerHeight) {
+ this.timeGrid.bottomRuleEl.style.display = '';
+ }
+ }
+ };
+ // given a desired total height of the view, returns what the height of the scroller should be
+ AbstractTimeGridView.prototype.computeScrollerHeight = function (viewHeight) {
+ return viewHeight -
+ Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["subtractInnerElHeight"])(this.el, this.scroller.el); // everything that's NOT the scroller
+ };
+ /* Scroll
+ ------------------------------------------------------------------------------------------------------------------*/
+ // Computes the initial pre-configured scroll state prior to allowing the user to change it
+ AbstractTimeGridView.prototype.computeDateScroll = function (duration) {
+ var top = this.timeGrid.computeTimeTop(duration);
+ // zoom can give weird floating-point values. rather scroll a little bit further
+ top = Math.ceil(top);
+ if (top) {
+ top++; // to overcome top border that slots beyond the first have. looks better
+ }
+ return { top: top };
+ };
+ AbstractTimeGridView.prototype.queryDateScroll = function () {
+ return { top: this.scroller.getScrollTop() };
+ };
+ AbstractTimeGridView.prototype.applyDateScroll = function (scroll) {
+ if (scroll.top !== undefined) {
+ this.scroller.setScrollTop(scroll.top);
+ }
+ };
+ // Generates an HTML attribute string for setting the width of the axis, if it is known
+ AbstractTimeGridView.prototype.axisStyleAttr = function () {
+ if (this.axisWidth != null) {
+ return 'style="width:' + this.axisWidth + 'px"';
+ }
+ return '';
+ };
+ return AbstractTimeGridView;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["View"]));
+AbstractTimeGridView.prototype.usesMinMaxTime = true; // indicates that minTime/maxTime affects rendering
+
+var SimpleTimeGrid = /** @class */ (function (_super) {
+ __extends(SimpleTimeGrid, _super);
+ function SimpleTimeGrid(timeGrid) {
+ var _this = _super.call(this, timeGrid.el) || this;
+ _this.buildDayRanges = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoize"])(buildDayRanges);
+ _this.slicer = new TimeGridSlicer();
+ _this.timeGrid = timeGrid;
+ return _this;
+ }
+ SimpleTimeGrid.prototype.firstContext = function (context) {
+ context.calendar.registerInteractiveComponent(this, {
+ el: this.timeGrid.el
+ });
+ };
+ SimpleTimeGrid.prototype.destroy = function () {
+ _super.prototype.destroy.call(this);
+ this.context.calendar.unregisterInteractiveComponent(this);
+ };
+ SimpleTimeGrid.prototype.render = function (props, context) {
+ var dateEnv = this.context.dateEnv;
+ var dateProfile = props.dateProfile, dayTable = props.dayTable;
+ var dayRanges = this.dayRanges = this.buildDayRanges(dayTable, dateProfile, dateEnv);
+ this.timeGrid.receiveProps(__assign({}, this.slicer.sliceProps(props, dateProfile, null, context.calendar, this.timeGrid, dayRanges), { dateProfile: dateProfile, cells: dayTable.cells[0] }), context);
+ };
+ SimpleTimeGrid.prototype.renderNowIndicator = function (date) {
+ this.timeGrid.renderNowIndicator(this.slicer.sliceNowDate(date, this.timeGrid, this.dayRanges), date);
+ };
+ SimpleTimeGrid.prototype.buildPositionCaches = function () {
+ this.timeGrid.buildPositionCaches();
+ };
+ SimpleTimeGrid.prototype.queryHit = function (positionLeft, positionTop) {
+ var rawHit = this.timeGrid.positionToHit(positionLeft, positionTop);
+ if (rawHit) {
+ return {
+ component: this.timeGrid,
+ dateSpan: rawHit.dateSpan,
+ dayEl: rawHit.dayEl,
+ rect: {
+ left: rawHit.relativeRect.left,
+ right: rawHit.relativeRect.right,
+ top: rawHit.relativeRect.top,
+ bottom: rawHit.relativeRect.bottom
+ },
+ layer: 0
+ };
+ }
+ };
+ return SimpleTimeGrid;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["DateComponent"]));
+function buildDayRanges(dayTable, dateProfile, dateEnv) {
+ var ranges = [];
+ for (var _i = 0, _a = dayTable.headerDates; _i < _a.length; _i++) {
+ var date = _a[_i];
+ ranges.push({
+ start: dateEnv.add(date, dateProfile.minTime),
+ end: dateEnv.add(date, dateProfile.maxTime)
+ });
+ }
+ return ranges;
+}
+var TimeGridSlicer = /** @class */ (function (_super) {
+ __extends(TimeGridSlicer, _super);
+ function TimeGridSlicer() {
+ return _super !== null && _super.apply(this, arguments) || this;
+ }
+ TimeGridSlicer.prototype.sliceRange = function (range, dayRanges) {
+ var segs = [];
+ for (var col = 0; col < dayRanges.length; col++) {
+ var segRange = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["intersectRanges"])(range, dayRanges[col]);
+ if (segRange) {
+ segs.push({
+ start: segRange.start,
+ end: segRange.end,
+ isStart: segRange.start.valueOf() === range.start.valueOf(),
+ isEnd: segRange.end.valueOf() === range.end.valueOf(),
+ col: col
+ });
+ }
+ }
+ return segs;
+ };
+ return TimeGridSlicer;
+}(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["Slicer"]));
+
+var TimeGridView = /** @class */ (function (_super) {
+ __extends(TimeGridView, _super);
+ function TimeGridView() {
+ var _this = _super !== null && _super.apply(this, arguments) || this;
+ _this.buildDayTable = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["memoize"])(buildDayTable);
+ return _this;
+ }
+ TimeGridView.prototype.render = function (props, context) {
+ _super.prototype.render.call(this, props, context); // for flags for updateSize. also _renderSkeleton/_unrenderSkeleton
+ var _a = this.props, dateProfile = _a.dateProfile, dateProfileGenerator = _a.dateProfileGenerator;
+ var nextDayThreshold = context.nextDayThreshold;
+ var dayTable = this.buildDayTable(dateProfile, dateProfileGenerator);
+ var splitProps = this.splitter.splitProps(props);
+ if (this.header) {
+ this.header.receiveProps({
+ dateProfile: dateProfile,
+ dates: dayTable.headerDates,
+ datesRepDistinctDays: true,
+ renderIntroHtml: this.renderHeadIntroHtml
+ }, context);
+ }
+ this.simpleTimeGrid.receiveProps(__assign({}, splitProps['timed'], { dateProfile: dateProfile,
+ dayTable: dayTable }), context);
+ if (this.simpleDayGrid) {
+ this.simpleDayGrid.receiveProps(__assign({}, splitProps['allDay'], { dateProfile: dateProfile,
+ dayTable: dayTable,
+ nextDayThreshold: nextDayThreshold, isRigid: false }), context);
+ }
+ this.startNowIndicator(dateProfile, dateProfileGenerator);
+ };
+ TimeGridView.prototype._renderSkeleton = function (context) {
+ _super.prototype._renderSkeleton.call(this, context);
+ if (context.options.columnHeader) {
+ this.header = new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["DayHeader"](this.el.querySelector('.fc-head-container'));
+ }
+ this.simpleTimeGrid = new SimpleTimeGrid(this.timeGrid);
+ if (this.dayGrid) {
+ this.simpleDayGrid = new _fullcalendar_daygrid__WEBPACK_IMPORTED_MODULE_1__["SimpleDayGrid"](this.dayGrid);
+ }
+ };
+ TimeGridView.prototype._unrenderSkeleton = function () {
+ _super.prototype._unrenderSkeleton.call(this);
+ if (this.header) {
+ this.header.destroy();
+ }
+ this.simpleTimeGrid.destroy();
+ if (this.simpleDayGrid) {
+ this.simpleDayGrid.destroy();
+ }
+ };
+ TimeGridView.prototype.renderNowIndicator = function (date) {
+ this.simpleTimeGrid.renderNowIndicator(date);
+ };
+ return TimeGridView;
+}(AbstractTimeGridView));
+function buildDayTable(dateProfile, dateProfileGenerator) {
+ var daySeries = new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["DaySeries"](dateProfile.renderRange, dateProfileGenerator);
+ return new _fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["DayTable"](daySeries, false);
+}
+
+var main = Object(_fullcalendar_core__WEBPACK_IMPORTED_MODULE_0__["createPlugin"])({
+ defaultView: 'timeGridWeek',
+ views: {
+ timeGrid: {
+ class: TimeGridView,
+ allDaySlot: true,
+ slotDuration: '00:30:00',
+ slotEventOverlap: true // a bad name. confused with overlap/constraint system
+ },
+ timeGridDay: {
+ type: 'timeGrid',
+ duration: { days: 1 }
+ },
+ timeGridWeek: {
+ type: 'timeGrid',
+ duration: { weeks: 1 }
+ }
+ }
+});
+
+/* harmony default export */ __webpack_exports__["default"] = (main);
+
+
+
+/***/ }),
+
/***/ "./node_modules/axios/index.js":
/*!*************************************!*\
!*** ./node_modules/axios/index.js ***!
@@ -6461,6 +18653,16167 @@ __webpack_require__.r(__webpack_exports__);
//# sourceMappingURL=bootstrap.js.map
+/***/ }),
+
+/***/ "./node_modules/chart.js/dist/Chart.js":
+/*!*********************************************!*\
+ !*** ./node_modules/chart.js/dist/Chart.js ***!
+ \*********************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
+
+/*!
+ * Chart.js v2.9.3
+ * https://www.chartjs.org
+ * (c) 2019 Chart.js Contributors
+ * Released under the MIT License
+ */
+(function (global, factory) {
+ true ? module.exports = factory(function() { try { return __webpack_require__(/*! moment */ "./node_modules/moment/src/moment.js"); } catch(e) { } }()) :
+undefined;
+}(this, (function (moment) { 'use strict';
+
+moment = moment && moment.hasOwnProperty('default') ? moment['default'] : moment;
+
+function createCommonjsModule(fn, module) {
+ return module = { exports: {} }, fn(module, module.exports), module.exports;
+}
+
+function getCjsExportFromNamespace (n) {
+ return n && n['default'] || n;
+}
+
+var colorName = {
+ "aliceblue": [240, 248, 255],
+ "antiquewhite": [250, 235, 215],
+ "aqua": [0, 255, 255],
+ "aquamarine": [127, 255, 212],
+ "azure": [240, 255, 255],
+ "beige": [245, 245, 220],
+ "bisque": [255, 228, 196],
+ "black": [0, 0, 0],
+ "blanchedalmond": [255, 235, 205],
+ "blue": [0, 0, 255],
+ "blueviolet": [138, 43, 226],
+ "brown": [165, 42, 42],
+ "burlywood": [222, 184, 135],
+ "cadetblue": [95, 158, 160],
+ "chartreuse": [127, 255, 0],
+ "chocolate": [210, 105, 30],
+ "coral": [255, 127, 80],
+ "cornflowerblue": [100, 149, 237],
+ "cornsilk": [255, 248, 220],
+ "crimson": [220, 20, 60],
+ "cyan": [0, 255, 255],
+ "darkblue": [0, 0, 139],
+ "darkcyan": [0, 139, 139],
+ "darkgoldenrod": [184, 134, 11],
+ "darkgray": [169, 169, 169],
+ "darkgreen": [0, 100, 0],
+ "darkgrey": [169, 169, 169],
+ "darkkhaki": [189, 183, 107],
+ "darkmagenta": [139, 0, 139],
+ "darkolivegreen": [85, 107, 47],
+ "darkorange": [255, 140, 0],
+ "darkorchid": [153, 50, 204],
+ "darkred": [139, 0, 0],
+ "darksalmon": [233, 150, 122],
+ "darkseagreen": [143, 188, 143],
+ "darkslateblue": [72, 61, 139],
+ "darkslategray": [47, 79, 79],
+ "darkslategrey": [47, 79, 79],
+ "darkturquoise": [0, 206, 209],
+ "darkviolet": [148, 0, 211],
+ "deeppink": [255, 20, 147],
+ "deepskyblue": [0, 191, 255],
+ "dimgray": [105, 105, 105],
+ "dimgrey": [105, 105, 105],
+ "dodgerblue": [30, 144, 255],
+ "firebrick": [178, 34, 34],
+ "floralwhite": [255, 250, 240],
+ "forestgreen": [34, 139, 34],
+ "fuchsia": [255, 0, 255],
+ "gainsboro": [220, 220, 220],
+ "ghostwhite": [248, 248, 255],
+ "gold": [255, 215, 0],
+ "goldenrod": [218, 165, 32],
+ "gray": [128, 128, 128],
+ "green": [0, 128, 0],
+ "greenyellow": [173, 255, 47],
+ "grey": [128, 128, 128],
+ "honeydew": [240, 255, 240],
+ "hotpink": [255, 105, 180],
+ "indianred": [205, 92, 92],
+ "indigo": [75, 0, 130],
+ "ivory": [255, 255, 240],
+ "khaki": [240, 230, 140],
+ "lavender": [230, 230, 250],
+ "lavenderblush": [255, 240, 245],
+ "lawngreen": [124, 252, 0],
+ "lemonchiffon": [255, 250, 205],
+ "lightblue": [173, 216, 230],
+ "lightcoral": [240, 128, 128],
+ "lightcyan": [224, 255, 255],
+ "lightgoldenrodyellow": [250, 250, 210],
+ "lightgray": [211, 211, 211],
+ "lightgreen": [144, 238, 144],
+ "lightgrey": [211, 211, 211],
+ "lightpink": [255, 182, 193],
+ "lightsalmon": [255, 160, 122],
+ "lightseagreen": [32, 178, 170],
+ "lightskyblue": [135, 206, 250],
+ "lightslategray": [119, 136, 153],
+ "lightslategrey": [119, 136, 153],
+ "lightsteelblue": [176, 196, 222],
+ "lightyellow": [255, 255, 224],
+ "lime": [0, 255, 0],
+ "limegreen": [50, 205, 50],
+ "linen": [250, 240, 230],
+ "magenta": [255, 0, 255],
+ "maroon": [128, 0, 0],
+ "mediumaquamarine": [102, 205, 170],
+ "mediumblue": [0, 0, 205],
+ "mediumorchid": [186, 85, 211],
+ "mediumpurple": [147, 112, 219],
+ "mediumseagreen": [60, 179, 113],
+ "mediumslateblue": [123, 104, 238],
+ "mediumspringgreen": [0, 250, 154],
+ "mediumturquoise": [72, 209, 204],
+ "mediumvioletred": [199, 21, 133],
+ "midnightblue": [25, 25, 112],
+ "mintcream": [245, 255, 250],
+ "mistyrose": [255, 228, 225],
+ "moccasin": [255, 228, 181],
+ "navajowhite": [255, 222, 173],
+ "navy": [0, 0, 128],
+ "oldlace": [253, 245, 230],
+ "olive": [128, 128, 0],
+ "olivedrab": [107, 142, 35],
+ "orange": [255, 165, 0],
+ "orangered": [255, 69, 0],
+ "orchid": [218, 112, 214],
+ "palegoldenrod": [238, 232, 170],
+ "palegreen": [152, 251, 152],
+ "paleturquoise": [175, 238, 238],
+ "palevioletred": [219, 112, 147],
+ "papayawhip": [255, 239, 213],
+ "peachpuff": [255, 218, 185],
+ "peru": [205, 133, 63],
+ "pink": [255, 192, 203],
+ "plum": [221, 160, 221],
+ "powderblue": [176, 224, 230],
+ "purple": [128, 0, 128],
+ "rebeccapurple": [102, 51, 153],
+ "red": [255, 0, 0],
+ "rosybrown": [188, 143, 143],
+ "royalblue": [65, 105, 225],
+ "saddlebrown": [139, 69, 19],
+ "salmon": [250, 128, 114],
+ "sandybrown": [244, 164, 96],
+ "seagreen": [46, 139, 87],
+ "seashell": [255, 245, 238],
+ "sienna": [160, 82, 45],
+ "silver": [192, 192, 192],
+ "skyblue": [135, 206, 235],
+ "slateblue": [106, 90, 205],
+ "slategray": [112, 128, 144],
+ "slategrey": [112, 128, 144],
+ "snow": [255, 250, 250],
+ "springgreen": [0, 255, 127],
+ "steelblue": [70, 130, 180],
+ "tan": [210, 180, 140],
+ "teal": [0, 128, 128],
+ "thistle": [216, 191, 216],
+ "tomato": [255, 99, 71],
+ "turquoise": [64, 224, 208],
+ "violet": [238, 130, 238],
+ "wheat": [245, 222, 179],
+ "white": [255, 255, 255],
+ "whitesmoke": [245, 245, 245],
+ "yellow": [255, 255, 0],
+ "yellowgreen": [154, 205, 50]
+};
+
+var conversions = createCommonjsModule(function (module) {
+/* MIT license */
+
+
+// NOTE: conversions should only return primitive values (i.e. arrays, or
+// values that give correct `typeof` results).
+// do not use box values types (i.e. Number(), String(), etc.)
+
+var reverseKeywords = {};
+for (var key in colorName) {
+ if (colorName.hasOwnProperty(key)) {
+ reverseKeywords[colorName[key]] = key;
+ }
+}
+
+var convert = module.exports = {
+ rgb: {channels: 3, labels: 'rgb'},
+ hsl: {channels: 3, labels: 'hsl'},
+ hsv: {channels: 3, labels: 'hsv'},
+ hwb: {channels: 3, labels: 'hwb'},
+ cmyk: {channels: 4, labels: 'cmyk'},
+ xyz: {channels: 3, labels: 'xyz'},
+ lab: {channels: 3, labels: 'lab'},
+ lch: {channels: 3, labels: 'lch'},
+ hex: {channels: 1, labels: ['hex']},
+ keyword: {channels: 1, labels: ['keyword']},
+ ansi16: {channels: 1, labels: ['ansi16']},
+ ansi256: {channels: 1, labels: ['ansi256']},
+ hcg: {channels: 3, labels: ['h', 'c', 'g']},
+ apple: {channels: 3, labels: ['r16', 'g16', 'b16']},
+ gray: {channels: 1, labels: ['gray']}
+};
+
+// hide .channels and .labels properties
+for (var model in convert) {
+ if (convert.hasOwnProperty(model)) {
+ if (!('channels' in convert[model])) {
+ throw new Error('missing channels property: ' + model);
+ }
+
+ if (!('labels' in convert[model])) {
+ throw new Error('missing channel labels property: ' + model);
+ }
+
+ if (convert[model].labels.length !== convert[model].channels) {
+ throw new Error('channel and label counts mismatch: ' + model);
+ }
+
+ var channels = convert[model].channels;
+ var labels = convert[model].labels;
+ delete convert[model].channels;
+ delete convert[model].labels;
+ Object.defineProperty(convert[model], 'channels', {value: channels});
+ Object.defineProperty(convert[model], 'labels', {value: labels});
+ }
+}
+
+convert.rgb.hsl = function (rgb) {
+ var r = rgb[0] / 255;
+ var g = rgb[1] / 255;
+ var b = rgb[2] / 255;
+ var min = Math.min(r, g, b);
+ var max = Math.max(r, g, b);
+ var delta = max - min;
+ var h;
+ var s;
+ var l;
+
+ if (max === min) {
+ h = 0;
+ } else if (r === max) {
+ h = (g - b) / delta;
+ } else if (g === max) {
+ h = 2 + (b - r) / delta;
+ } else if (b === max) {
+ h = 4 + (r - g) / delta;
+ }
+
+ h = Math.min(h * 60, 360);
+
+ if (h < 0) {
+ h += 360;
+ }
+
+ l = (min + max) / 2;
+
+ if (max === min) {
+ s = 0;
+ } else if (l <= 0.5) {
+ s = delta / (max + min);
+ } else {
+ s = delta / (2 - max - min);
+ }
+
+ return [h, s * 100, l * 100];
+};
+
+convert.rgb.hsv = function (rgb) {
+ var rdif;
+ var gdif;
+ var bdif;
+ var h;
+ var s;
+
+ var r = rgb[0] / 255;
+ var g = rgb[1] / 255;
+ var b = rgb[2] / 255;
+ var v = Math.max(r, g, b);
+ var diff = v - Math.min(r, g, b);
+ var diffc = function (c) {
+ return (v - c) / 6 / diff + 1 / 2;
+ };
+
+ if (diff === 0) {
+ h = s = 0;
+ } else {
+ s = diff / v;
+ rdif = diffc(r);
+ gdif = diffc(g);
+ bdif = diffc(b);
+
+ if (r === v) {
+ h = bdif - gdif;
+ } else if (g === v) {
+ h = (1 / 3) + rdif - bdif;
+ } else if (b === v) {
+ h = (2 / 3) + gdif - rdif;
+ }
+ if (h < 0) {
+ h += 1;
+ } else if (h > 1) {
+ h -= 1;
+ }
+ }
+
+ return [
+ h * 360,
+ s * 100,
+ v * 100
+ ];
+};
+
+convert.rgb.hwb = function (rgb) {
+ var r = rgb[0];
+ var g = rgb[1];
+ var b = rgb[2];
+ var h = convert.rgb.hsl(rgb)[0];
+ var w = 1 / 255 * Math.min(r, Math.min(g, b));
+
+ b = 1 - 1 / 255 * Math.max(r, Math.max(g, b));
+
+ return [h, w * 100, b * 100];
+};
+
+convert.rgb.cmyk = function (rgb) {
+ var r = rgb[0] / 255;
+ var g = rgb[1] / 255;
+ var b = rgb[2] / 255;
+ var c;
+ var m;
+ var y;
+ var k;
+
+ k = Math.min(1 - r, 1 - g, 1 - b);
+ c = (1 - r - k) / (1 - k) || 0;
+ m = (1 - g - k) / (1 - k) || 0;
+ y = (1 - b - k) / (1 - k) || 0;
+
+ return [c * 100, m * 100, y * 100, k * 100];
+};
+
+/**
+ * See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance
+ * */
+function comparativeDistance(x, y) {
+ return (
+ Math.pow(x[0] - y[0], 2) +
+ Math.pow(x[1] - y[1], 2) +
+ Math.pow(x[2] - y[2], 2)
+ );
+}
+
+convert.rgb.keyword = function (rgb) {
+ var reversed = reverseKeywords[rgb];
+ if (reversed) {
+ return reversed;
+ }
+
+ var currentClosestDistance = Infinity;
+ var currentClosestKeyword;
+
+ for (var keyword in colorName) {
+ if (colorName.hasOwnProperty(keyword)) {
+ var value = colorName[keyword];
+
+ // Compute comparative distance
+ var distance = comparativeDistance(rgb, value);
+
+ // Check if its less, if so set as closest
+ if (distance < currentClosestDistance) {
+ currentClosestDistance = distance;
+ currentClosestKeyword = keyword;
+ }
+ }
+ }
+
+ return currentClosestKeyword;
+};
+
+convert.keyword.rgb = function (keyword) {
+ return colorName[keyword];
+};
+
+convert.rgb.xyz = function (rgb) {
+ var r = rgb[0] / 255;
+ var g = rgb[1] / 255;
+ var b = rgb[2] / 255;
+
+ // assume sRGB
+ r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);
+ g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);
+ b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);
+
+ var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
+ var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
+ var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
+
+ return [x * 100, y * 100, z * 100];
+};
+
+convert.rgb.lab = function (rgb) {
+ var xyz = convert.rgb.xyz(rgb);
+ var x = xyz[0];
+ var y = xyz[1];
+ var z = xyz[2];
+ var l;
+ var a;
+ var b;
+
+ x /= 95.047;
+ y /= 100;
+ z /= 108.883;
+
+ x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);
+ y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);
+ z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);
+
+ l = (116 * y) - 16;
+ a = 500 * (x - y);
+ b = 200 * (y - z);
+
+ return [l, a, b];
+};
+
+convert.hsl.rgb = function (hsl) {
+ var h = hsl[0] / 360;
+ var s = hsl[1] / 100;
+ var l = hsl[2] / 100;
+ var t1;
+ var t2;
+ var t3;
+ var rgb;
+ var val;
+
+ if (s === 0) {
+ val = l * 255;
+ return [val, val, val];
+ }
+
+ if (l < 0.5) {
+ t2 = l * (1 + s);
+ } else {
+ t2 = l + s - l * s;
+ }
+
+ t1 = 2 * l - t2;
+
+ rgb = [0, 0, 0];
+ for (var i = 0; i < 3; i++) {
+ t3 = h + 1 / 3 * -(i - 1);
+ if (t3 < 0) {
+ t3++;
+ }
+ if (t3 > 1) {
+ t3--;
+ }
+
+ if (6 * t3 < 1) {
+ val = t1 + (t2 - t1) * 6 * t3;
+ } else if (2 * t3 < 1) {
+ val = t2;
+ } else if (3 * t3 < 2) {
+ val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
+ } else {
+ val = t1;
+ }
+
+ rgb[i] = val * 255;
+ }
+
+ return rgb;
+};
+
+convert.hsl.hsv = function (hsl) {
+ var h = hsl[0];
+ var s = hsl[1] / 100;
+ var l = hsl[2] / 100;
+ var smin = s;
+ var lmin = Math.max(l, 0.01);
+ var sv;
+ var v;
+
+ l *= 2;
+ s *= (l <= 1) ? l : 2 - l;
+ smin *= lmin <= 1 ? lmin : 2 - lmin;
+ v = (l + s) / 2;
+ sv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s);
+
+ return [h, sv * 100, v * 100];
+};
+
+convert.hsv.rgb = function (hsv) {
+ var h = hsv[0] / 60;
+ var s = hsv[1] / 100;
+ var v = hsv[2] / 100;
+ var hi = Math.floor(h) % 6;
+
+ var f = h - Math.floor(h);
+ var p = 255 * v * (1 - s);
+ var q = 255 * v * (1 - (s * f));
+ var t = 255 * v * (1 - (s * (1 - f)));
+ v *= 255;
+
+ switch (hi) {
+ case 0:
+ return [v, t, p];
+ case 1:
+ return [q, v, p];
+ case 2:
+ return [p, v, t];
+ case 3:
+ return [p, q, v];
+ case 4:
+ return [t, p, v];
+ case 5:
+ return [v, p, q];
+ }
+};
+
+convert.hsv.hsl = function (hsv) {
+ var h = hsv[0];
+ var s = hsv[1] / 100;
+ var v = hsv[2] / 100;
+ var vmin = Math.max(v, 0.01);
+ var lmin;
+ var sl;
+ var l;
+
+ l = (2 - s) * v;
+ lmin = (2 - s) * vmin;
+ sl = s * vmin;
+ sl /= (lmin <= 1) ? lmin : 2 - lmin;
+ sl = sl || 0;
+ l /= 2;
+
+ return [h, sl * 100, l * 100];
+};
+
+// http://dev.w3.org/csswg/css-color/#hwb-to-rgb
+convert.hwb.rgb = function (hwb) {
+ var h = hwb[0] / 360;
+ var wh = hwb[1] / 100;
+ var bl = hwb[2] / 100;
+ var ratio = wh + bl;
+ var i;
+ var v;
+ var f;
+ var n;
+
+ // wh + bl cant be > 1
+ if (ratio > 1) {
+ wh /= ratio;
+ bl /= ratio;
+ }
+
+ i = Math.floor(6 * h);
+ v = 1 - bl;
+ f = 6 * h - i;
+
+ if ((i & 0x01) !== 0) {
+ f = 1 - f;
+ }
+
+ n = wh + f * (v - wh); // linear interpolation
+
+ var r;
+ var g;
+ var b;
+ switch (i) {
+ default:
+ case 6:
+ case 0: r = v; g = n; b = wh; break;
+ case 1: r = n; g = v; b = wh; break;
+ case 2: r = wh; g = v; b = n; break;
+ case 3: r = wh; g = n; b = v; break;
+ case 4: r = n; g = wh; b = v; break;
+ case 5: r = v; g = wh; b = n; break;
+ }
+
+ return [r * 255, g * 255, b * 255];
+};
+
+convert.cmyk.rgb = function (cmyk) {
+ var c = cmyk[0] / 100;
+ var m = cmyk[1] / 100;
+ var y = cmyk[2] / 100;
+ var k = cmyk[3] / 100;
+ var r;
+ var g;
+ var b;
+
+ r = 1 - Math.min(1, c * (1 - k) + k);
+ g = 1 - Math.min(1, m * (1 - k) + k);
+ b = 1 - Math.min(1, y * (1 - k) + k);
+
+ return [r * 255, g * 255, b * 255];
+};
+
+convert.xyz.rgb = function (xyz) {
+ var x = xyz[0] / 100;
+ var y = xyz[1] / 100;
+ var z = xyz[2] / 100;
+ var r;
+ var g;
+ var b;
+
+ r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);
+ g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);
+ b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);
+
+ // assume sRGB
+ r = r > 0.0031308
+ ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)
+ : r * 12.92;
+
+ g = g > 0.0031308
+ ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)
+ : g * 12.92;
+
+ b = b > 0.0031308
+ ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)
+ : b * 12.92;
+
+ r = Math.min(Math.max(0, r), 1);
+ g = Math.min(Math.max(0, g), 1);
+ b = Math.min(Math.max(0, b), 1);
+
+ return [r * 255, g * 255, b * 255];
+};
+
+convert.xyz.lab = function (xyz) {
+ var x = xyz[0];
+ var y = xyz[1];
+ var z = xyz[2];
+ var l;
+ var a;
+ var b;
+
+ x /= 95.047;
+ y /= 100;
+ z /= 108.883;
+
+ x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);
+ y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);
+ z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);
+
+ l = (116 * y) - 16;
+ a = 500 * (x - y);
+ b = 200 * (y - z);
+
+ return [l, a, b];
+};
+
+convert.lab.xyz = function (lab) {
+ var l = lab[0];
+ var a = lab[1];
+ var b = lab[2];
+ var x;
+ var y;
+ var z;
+
+ y = (l + 16) / 116;
+ x = a / 500 + y;
+ z = y - b / 200;
+
+ var y2 = Math.pow(y, 3);
+ var x2 = Math.pow(x, 3);
+ var z2 = Math.pow(z, 3);
+ y = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787;
+ x = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787;
+ z = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787;
+
+ x *= 95.047;
+ y *= 100;
+ z *= 108.883;
+
+ return [x, y, z];
+};
+
+convert.lab.lch = function (lab) {
+ var l = lab[0];
+ var a = lab[1];
+ var b = lab[2];
+ var hr;
+ var h;
+ var c;
+
+ hr = Math.atan2(b, a);
+ h = hr * 360 / 2 / Math.PI;
+
+ if (h < 0) {
+ h += 360;
+ }
+
+ c = Math.sqrt(a * a + b * b);
+
+ return [l, c, h];
+};
+
+convert.lch.lab = function (lch) {
+ var l = lch[0];
+ var c = lch[1];
+ var h = lch[2];
+ var a;
+ var b;
+ var hr;
+
+ hr = h / 360 * 2 * Math.PI;
+ a = c * Math.cos(hr);
+ b = c * Math.sin(hr);
+
+ return [l, a, b];
+};
+
+convert.rgb.ansi16 = function (args) {
+ var r = args[0];
+ var g = args[1];
+ var b = args[2];
+ var value = 1 in arguments ? arguments[1] : convert.rgb.hsv(args)[2]; // hsv -> ansi16 optimization
+
+ value = Math.round(value / 50);
+
+ if (value === 0) {
+ return 30;
+ }
+
+ var ansi = 30
+ + ((Math.round(b / 255) << 2)
+ | (Math.round(g / 255) << 1)
+ | Math.round(r / 255));
+
+ if (value === 2) {
+ ansi += 60;
+ }
+
+ return ansi;
+};
+
+convert.hsv.ansi16 = function (args) {
+ // optimization here; we already know the value and don't need to get
+ // it converted for us.
+ return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]);
+};
+
+convert.rgb.ansi256 = function (args) {
+ var r = args[0];
+ var g = args[1];
+ var b = args[2];
+
+ // we use the extended greyscale palette here, with the exception of
+ // black and white. normal palette only has 4 greyscale shades.
+ if (r === g && g === b) {
+ if (r < 8) {
+ return 16;
+ }
+
+ if (r > 248) {
+ return 231;
+ }
+
+ return Math.round(((r - 8) / 247) * 24) + 232;
+ }
+
+ var ansi = 16
+ + (36 * Math.round(r / 255 * 5))
+ + (6 * Math.round(g / 255 * 5))
+ + Math.round(b / 255 * 5);
+
+ return ansi;
+};
+
+convert.ansi16.rgb = function (args) {
+ var color = args % 10;
+
+ // handle greyscale
+ if (color === 0 || color === 7) {
+ if (args > 50) {
+ color += 3.5;
+ }
+
+ color = color / 10.5 * 255;
+
+ return [color, color, color];
+ }
+
+ var mult = (~~(args > 50) + 1) * 0.5;
+ var r = ((color & 1) * mult) * 255;
+ var g = (((color >> 1) & 1) * mult) * 255;
+ var b = (((color >> 2) & 1) * mult) * 255;
+
+ return [r, g, b];
+};
+
+convert.ansi256.rgb = function (args) {
+ // handle greyscale
+ if (args >= 232) {
+ var c = (args - 232) * 10 + 8;
+ return [c, c, c];
+ }
+
+ args -= 16;
+
+ var rem;
+ var r = Math.floor(args / 36) / 5 * 255;
+ var g = Math.floor((rem = args % 36) / 6) / 5 * 255;
+ var b = (rem % 6) / 5 * 255;
+
+ return [r, g, b];
+};
+
+convert.rgb.hex = function (args) {
+ var integer = ((Math.round(args[0]) & 0xFF) << 16)
+ + ((Math.round(args[1]) & 0xFF) << 8)
+ + (Math.round(args[2]) & 0xFF);
+
+ var string = integer.toString(16).toUpperCase();
+ return '000000'.substring(string.length) + string;
+};
+
+convert.hex.rgb = function (args) {
+ var match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);
+ if (!match) {
+ return [0, 0, 0];
+ }
+
+ var colorString = match[0];
+
+ if (match[0].length === 3) {
+ colorString = colorString.split('').map(function (char) {
+ return char + char;
+ }).join('');
+ }
+
+ var integer = parseInt(colorString, 16);
+ var r = (integer >> 16) & 0xFF;
+ var g = (integer >> 8) & 0xFF;
+ var b = integer & 0xFF;
+
+ return [r, g, b];
+};
+
+convert.rgb.hcg = function (rgb) {
+ var r = rgb[0] / 255;
+ var g = rgb[1] / 255;
+ var b = rgb[2] / 255;
+ var max = Math.max(Math.max(r, g), b);
+ var min = Math.min(Math.min(r, g), b);
+ var chroma = (max - min);
+ var grayscale;
+ var hue;
+
+ if (chroma < 1) {
+ grayscale = min / (1 - chroma);
+ } else {
+ grayscale = 0;
+ }
+
+ if (chroma <= 0) {
+ hue = 0;
+ } else
+ if (max === r) {
+ hue = ((g - b) / chroma) % 6;
+ } else
+ if (max === g) {
+ hue = 2 + (b - r) / chroma;
+ } else {
+ hue = 4 + (r - g) / chroma + 4;
+ }
+
+ hue /= 6;
+ hue %= 1;
+
+ return [hue * 360, chroma * 100, grayscale * 100];
+};
+
+convert.hsl.hcg = function (hsl) {
+ var s = hsl[1] / 100;
+ var l = hsl[2] / 100;
+ var c = 1;
+ var f = 0;
+
+ if (l < 0.5) {
+ c = 2.0 * s * l;
+ } else {
+ c = 2.0 * s * (1.0 - l);
+ }
+
+ if (c < 1.0) {
+ f = (l - 0.5 * c) / (1.0 - c);
+ }
+
+ return [hsl[0], c * 100, f * 100];
+};
+
+convert.hsv.hcg = function (hsv) {
+ var s = hsv[1] / 100;
+ var v = hsv[2] / 100;
+
+ var c = s * v;
+ var f = 0;
+
+ if (c < 1.0) {
+ f = (v - c) / (1 - c);
+ }
+
+ return [hsv[0], c * 100, f * 100];
+};
+
+convert.hcg.rgb = function (hcg) {
+ var h = hcg[0] / 360;
+ var c = hcg[1] / 100;
+ var g = hcg[2] / 100;
+
+ if (c === 0.0) {
+ return [g * 255, g * 255, g * 255];
+ }
+
+ var pure = [0, 0, 0];
+ var hi = (h % 1) * 6;
+ var v = hi % 1;
+ var w = 1 - v;
+ var mg = 0;
+
+ switch (Math.floor(hi)) {
+ case 0:
+ pure[0] = 1; pure[1] = v; pure[2] = 0; break;
+ case 1:
+ pure[0] = w; pure[1] = 1; pure[2] = 0; break;
+ case 2:
+ pure[0] = 0; pure[1] = 1; pure[2] = v; break;
+ case 3:
+ pure[0] = 0; pure[1] = w; pure[2] = 1; break;
+ case 4:
+ pure[0] = v; pure[1] = 0; pure[2] = 1; break;
+ default:
+ pure[0] = 1; pure[1] = 0; pure[2] = w;
+ }
+
+ mg = (1.0 - c) * g;
+
+ return [
+ (c * pure[0] + mg) * 255,
+ (c * pure[1] + mg) * 255,
+ (c * pure[2] + mg) * 255
+ ];
+};
+
+convert.hcg.hsv = function (hcg) {
+ var c = hcg[1] / 100;
+ var g = hcg[2] / 100;
+
+ var v = c + g * (1.0 - c);
+ var f = 0;
+
+ if (v > 0.0) {
+ f = c / v;
+ }
+
+ return [hcg[0], f * 100, v * 100];
+};
+
+convert.hcg.hsl = function (hcg) {
+ var c = hcg[1] / 100;
+ var g = hcg[2] / 100;
+
+ var l = g * (1.0 - c) + 0.5 * c;
+ var s = 0;
+
+ if (l > 0.0 && l < 0.5) {
+ s = c / (2 * l);
+ } else
+ if (l >= 0.5 && l < 1.0) {
+ s = c / (2 * (1 - l));
+ }
+
+ return [hcg[0], s * 100, l * 100];
+};
+
+convert.hcg.hwb = function (hcg) {
+ var c = hcg[1] / 100;
+ var g = hcg[2] / 100;
+ var v = c + g * (1.0 - c);
+ return [hcg[0], (v - c) * 100, (1 - v) * 100];
+};
+
+convert.hwb.hcg = function (hwb) {
+ var w = hwb[1] / 100;
+ var b = hwb[2] / 100;
+ var v = 1 - b;
+ var c = v - w;
+ var g = 0;
+
+ if (c < 1) {
+ g = (v - c) / (1 - c);
+ }
+
+ return [hwb[0], c * 100, g * 100];
+};
+
+convert.apple.rgb = function (apple) {
+ return [(apple[0] / 65535) * 255, (apple[1] / 65535) * 255, (apple[2] / 65535) * 255];
+};
+
+convert.rgb.apple = function (rgb) {
+ return [(rgb[0] / 255) * 65535, (rgb[1] / 255) * 65535, (rgb[2] / 255) * 65535];
+};
+
+convert.gray.rgb = function (args) {
+ return [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255];
+};
+
+convert.gray.hsl = convert.gray.hsv = function (args) {
+ return [0, 0, args[0]];
+};
+
+convert.gray.hwb = function (gray) {
+ return [0, 100, gray[0]];
+};
+
+convert.gray.cmyk = function (gray) {
+ return [0, 0, 0, gray[0]];
+};
+
+convert.gray.lab = function (gray) {
+ return [gray[0], 0, 0];
+};
+
+convert.gray.hex = function (gray) {
+ var val = Math.round(gray[0] / 100 * 255) & 0xFF;
+ var integer = (val << 16) + (val << 8) + val;
+
+ var string = integer.toString(16).toUpperCase();
+ return '000000'.substring(string.length) + string;
+};
+
+convert.rgb.gray = function (rgb) {
+ var val = (rgb[0] + rgb[1] + rgb[2]) / 3;
+ return [val / 255 * 100];
+};
+});
+var conversions_1 = conversions.rgb;
+var conversions_2 = conversions.hsl;
+var conversions_3 = conversions.hsv;
+var conversions_4 = conversions.hwb;
+var conversions_5 = conversions.cmyk;
+var conversions_6 = conversions.xyz;
+var conversions_7 = conversions.lab;
+var conversions_8 = conversions.lch;
+var conversions_9 = conversions.hex;
+var conversions_10 = conversions.keyword;
+var conversions_11 = conversions.ansi16;
+var conversions_12 = conversions.ansi256;
+var conversions_13 = conversions.hcg;
+var conversions_14 = conversions.apple;
+var conversions_15 = conversions.gray;
+
+/*
+ this function routes a model to all other models.
+
+ all functions that are routed have a property `.conversion` attached
+ to the returned synthetic function. This property is an array
+ of strings, each with the steps in between the 'from' and 'to'
+ color models (inclusive).
+
+ conversions that are not possible simply are not included.
+*/
+
+function buildGraph() {
+ var graph = {};
+ // https://jsperf.com/object-keys-vs-for-in-with-closure/3
+ var models = Object.keys(conversions);
+
+ for (var len = models.length, i = 0; i < len; i++) {
+ graph[models[i]] = {
+ // http://jsperf.com/1-vs-infinity
+ // micro-opt, but this is simple.
+ distance: -1,
+ parent: null
+ };
+ }
+
+ return graph;
+}
+
+// https://en.wikipedia.org/wiki/Breadth-first_search
+function deriveBFS(fromModel) {
+ var graph = buildGraph();
+ var queue = [fromModel]; // unshift -> queue -> pop
+
+ graph[fromModel].distance = 0;
+
+ while (queue.length) {
+ var current = queue.pop();
+ var adjacents = Object.keys(conversions[current]);
+
+ for (var len = adjacents.length, i = 0; i < len; i++) {
+ var adjacent = adjacents[i];
+ var node = graph[adjacent];
+
+ if (node.distance === -1) {
+ node.distance = graph[current].distance + 1;
+ node.parent = current;
+ queue.unshift(adjacent);
+ }
+ }
+ }
+
+ return graph;
+}
+
+function link(from, to) {
+ return function (args) {
+ return to(from(args));
+ };
+}
+
+function wrapConversion(toModel, graph) {
+ var path = [graph[toModel].parent, toModel];
+ var fn = conversions[graph[toModel].parent][toModel];
+
+ var cur = graph[toModel].parent;
+ while (graph[cur].parent) {
+ path.unshift(graph[cur].parent);
+ fn = link(conversions[graph[cur].parent][cur], fn);
+ cur = graph[cur].parent;
+ }
+
+ fn.conversion = path;
+ return fn;
+}
+
+var route = function (fromModel) {
+ var graph = deriveBFS(fromModel);
+ var conversion = {};
+
+ var models = Object.keys(graph);
+ for (var len = models.length, i = 0; i < len; i++) {
+ var toModel = models[i];
+ var node = graph[toModel];
+
+ if (node.parent === null) {
+ // no possible conversion, or this node is the source model.
+ continue;
+ }
+
+ conversion[toModel] = wrapConversion(toModel, graph);
+ }
+
+ return conversion;
+};
+
+var convert = {};
+
+var models = Object.keys(conversions);
+
+function wrapRaw(fn) {
+ var wrappedFn = function (args) {
+ if (args === undefined || args === null) {
+ return args;
+ }
+
+ if (arguments.length > 1) {
+ args = Array.prototype.slice.call(arguments);
+ }
+
+ return fn(args);
+ };
+
+ // preserve .conversion property if there is one
+ if ('conversion' in fn) {
+ wrappedFn.conversion = fn.conversion;
+ }
+
+ return wrappedFn;
+}
+
+function wrapRounded(fn) {
+ var wrappedFn = function (args) {
+ if (args === undefined || args === null) {
+ return args;
+ }
+
+ if (arguments.length > 1) {
+ args = Array.prototype.slice.call(arguments);
+ }
+
+ var result = fn(args);
+
+ // we're assuming the result is an array here.
+ // see notice in conversions.js; don't use box types
+ // in conversion functions.
+ if (typeof result === 'object') {
+ for (var len = result.length, i = 0; i < len; i++) {
+ result[i] = Math.round(result[i]);
+ }
+ }
+
+ return result;
+ };
+
+ // preserve .conversion property if there is one
+ if ('conversion' in fn) {
+ wrappedFn.conversion = fn.conversion;
+ }
+
+ return wrappedFn;
+}
+
+models.forEach(function (fromModel) {
+ convert[fromModel] = {};
+
+ Object.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels});
+ Object.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels});
+
+ var routes = route(fromModel);
+ var routeModels = Object.keys(routes);
+
+ routeModels.forEach(function (toModel) {
+ var fn = routes[toModel];
+
+ convert[fromModel][toModel] = wrapRounded(fn);
+ convert[fromModel][toModel].raw = wrapRaw(fn);
+ });
+});
+
+var colorConvert = convert;
+
+var colorName$1 = {
+ "aliceblue": [240, 248, 255],
+ "antiquewhite": [250, 235, 215],
+ "aqua": [0, 255, 255],
+ "aquamarine": [127, 255, 212],
+ "azure": [240, 255, 255],
+ "beige": [245, 245, 220],
+ "bisque": [255, 228, 196],
+ "black": [0, 0, 0],
+ "blanchedalmond": [255, 235, 205],
+ "blue": [0, 0, 255],
+ "blueviolet": [138, 43, 226],
+ "brown": [165, 42, 42],
+ "burlywood": [222, 184, 135],
+ "cadetblue": [95, 158, 160],
+ "chartreuse": [127, 255, 0],
+ "chocolate": [210, 105, 30],
+ "coral": [255, 127, 80],
+ "cornflowerblue": [100, 149, 237],
+ "cornsilk": [255, 248, 220],
+ "crimson": [220, 20, 60],
+ "cyan": [0, 255, 255],
+ "darkblue": [0, 0, 139],
+ "darkcyan": [0, 139, 139],
+ "darkgoldenrod": [184, 134, 11],
+ "darkgray": [169, 169, 169],
+ "darkgreen": [0, 100, 0],
+ "darkgrey": [169, 169, 169],
+ "darkkhaki": [189, 183, 107],
+ "darkmagenta": [139, 0, 139],
+ "darkolivegreen": [85, 107, 47],
+ "darkorange": [255, 140, 0],
+ "darkorchid": [153, 50, 204],
+ "darkred": [139, 0, 0],
+ "darksalmon": [233, 150, 122],
+ "darkseagreen": [143, 188, 143],
+ "darkslateblue": [72, 61, 139],
+ "darkslategray": [47, 79, 79],
+ "darkslategrey": [47, 79, 79],
+ "darkturquoise": [0, 206, 209],
+ "darkviolet": [148, 0, 211],
+ "deeppink": [255, 20, 147],
+ "deepskyblue": [0, 191, 255],
+ "dimgray": [105, 105, 105],
+ "dimgrey": [105, 105, 105],
+ "dodgerblue": [30, 144, 255],
+ "firebrick": [178, 34, 34],
+ "floralwhite": [255, 250, 240],
+ "forestgreen": [34, 139, 34],
+ "fuchsia": [255, 0, 255],
+ "gainsboro": [220, 220, 220],
+ "ghostwhite": [248, 248, 255],
+ "gold": [255, 215, 0],
+ "goldenrod": [218, 165, 32],
+ "gray": [128, 128, 128],
+ "green": [0, 128, 0],
+ "greenyellow": [173, 255, 47],
+ "grey": [128, 128, 128],
+ "honeydew": [240, 255, 240],
+ "hotpink": [255, 105, 180],
+ "indianred": [205, 92, 92],
+ "indigo": [75, 0, 130],
+ "ivory": [255, 255, 240],
+ "khaki": [240, 230, 140],
+ "lavender": [230, 230, 250],
+ "lavenderblush": [255, 240, 245],
+ "lawngreen": [124, 252, 0],
+ "lemonchiffon": [255, 250, 205],
+ "lightblue": [173, 216, 230],
+ "lightcoral": [240, 128, 128],
+ "lightcyan": [224, 255, 255],
+ "lightgoldenrodyellow": [250, 250, 210],
+ "lightgray": [211, 211, 211],
+ "lightgreen": [144, 238, 144],
+ "lightgrey": [211, 211, 211],
+ "lightpink": [255, 182, 193],
+ "lightsalmon": [255, 160, 122],
+ "lightseagreen": [32, 178, 170],
+ "lightskyblue": [135, 206, 250],
+ "lightslategray": [119, 136, 153],
+ "lightslategrey": [119, 136, 153],
+ "lightsteelblue": [176, 196, 222],
+ "lightyellow": [255, 255, 224],
+ "lime": [0, 255, 0],
+ "limegreen": [50, 205, 50],
+ "linen": [250, 240, 230],
+ "magenta": [255, 0, 255],
+ "maroon": [128, 0, 0],
+ "mediumaquamarine": [102, 205, 170],
+ "mediumblue": [0, 0, 205],
+ "mediumorchid": [186, 85, 211],
+ "mediumpurple": [147, 112, 219],
+ "mediumseagreen": [60, 179, 113],
+ "mediumslateblue": [123, 104, 238],
+ "mediumspringgreen": [0, 250, 154],
+ "mediumturquoise": [72, 209, 204],
+ "mediumvioletred": [199, 21, 133],
+ "midnightblue": [25, 25, 112],
+ "mintcream": [245, 255, 250],
+ "mistyrose": [255, 228, 225],
+ "moccasin": [255, 228, 181],
+ "navajowhite": [255, 222, 173],
+ "navy": [0, 0, 128],
+ "oldlace": [253, 245, 230],
+ "olive": [128, 128, 0],
+ "olivedrab": [107, 142, 35],
+ "orange": [255, 165, 0],
+ "orangered": [255, 69, 0],
+ "orchid": [218, 112, 214],
+ "palegoldenrod": [238, 232, 170],
+ "palegreen": [152, 251, 152],
+ "paleturquoise": [175, 238, 238],
+ "palevioletred": [219, 112, 147],
+ "papayawhip": [255, 239, 213],
+ "peachpuff": [255, 218, 185],
+ "peru": [205, 133, 63],
+ "pink": [255, 192, 203],
+ "plum": [221, 160, 221],
+ "powderblue": [176, 224, 230],
+ "purple": [128, 0, 128],
+ "rebeccapurple": [102, 51, 153],
+ "red": [255, 0, 0],
+ "rosybrown": [188, 143, 143],
+ "royalblue": [65, 105, 225],
+ "saddlebrown": [139, 69, 19],
+ "salmon": [250, 128, 114],
+ "sandybrown": [244, 164, 96],
+ "seagreen": [46, 139, 87],
+ "seashell": [255, 245, 238],
+ "sienna": [160, 82, 45],
+ "silver": [192, 192, 192],
+ "skyblue": [135, 206, 235],
+ "slateblue": [106, 90, 205],
+ "slategray": [112, 128, 144],
+ "slategrey": [112, 128, 144],
+ "snow": [255, 250, 250],
+ "springgreen": [0, 255, 127],
+ "steelblue": [70, 130, 180],
+ "tan": [210, 180, 140],
+ "teal": [0, 128, 128],
+ "thistle": [216, 191, 216],
+ "tomato": [255, 99, 71],
+ "turquoise": [64, 224, 208],
+ "violet": [238, 130, 238],
+ "wheat": [245, 222, 179],
+ "white": [255, 255, 255],
+ "whitesmoke": [245, 245, 245],
+ "yellow": [255, 255, 0],
+ "yellowgreen": [154, 205, 50]
+};
+
+/* MIT license */
+
+
+var colorString = {
+ getRgba: getRgba,
+ getHsla: getHsla,
+ getRgb: getRgb,
+ getHsl: getHsl,
+ getHwb: getHwb,
+ getAlpha: getAlpha,
+
+ hexString: hexString,
+ rgbString: rgbString,
+ rgbaString: rgbaString,
+ percentString: percentString,
+ percentaString: percentaString,
+ hslString: hslString,
+ hslaString: hslaString,
+ hwbString: hwbString,
+ keyword: keyword
+};
+
+function getRgba(string) {
+ if (!string) {
+ return;
+ }
+ var abbr = /^#([a-fA-F0-9]{3,4})$/i,
+ hex = /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i,
+ rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
+ per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
+ keyword = /(\w+)/;
+
+ var rgb = [0, 0, 0],
+ a = 1,
+ match = string.match(abbr),
+ hexAlpha = "";
+ if (match) {
+ match = match[1];
+ hexAlpha = match[3];
+ for (var i = 0; i < rgb.length; i++) {
+ rgb[i] = parseInt(match[i] + match[i], 16);
+ }
+ if (hexAlpha) {
+ a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100;
+ }
+ }
+ else if (match = string.match(hex)) {
+ hexAlpha = match[2];
+ match = match[1];
+ for (var i = 0; i < rgb.length; i++) {
+ rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);
+ }
+ if (hexAlpha) {
+ a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100;
+ }
+ }
+ else if (match = string.match(rgba)) {
+ for (var i = 0; i < rgb.length; i++) {
+ rgb[i] = parseInt(match[i + 1]);
+ }
+ a = parseFloat(match[4]);
+ }
+ else if (match = string.match(per)) {
+ for (var i = 0; i < rgb.length; i++) {
+ rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);
+ }
+ a = parseFloat(match[4]);
+ }
+ else if (match = string.match(keyword)) {
+ if (match[1] == "transparent") {
+ return [0, 0, 0, 0];
+ }
+ rgb = colorName$1[match[1]];
+ if (!rgb) {
+ return;
+ }
+ }
+
+ for (var i = 0; i < rgb.length; i++) {
+ rgb[i] = scale(rgb[i], 0, 255);
+ }
+ if (!a && a != 0) {
+ a = 1;
+ }
+ else {
+ a = scale(a, 0, 1);
+ }
+ rgb[3] = a;
+ return rgb;
+}
+
+function getHsla(string) {
+ if (!string) {
+ return;
+ }
+ var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
+ var match = string.match(hsl);
+ if (match) {
+ var alpha = parseFloat(match[4]);
+ var h = scale(parseInt(match[1]), 0, 360),
+ s = scale(parseFloat(match[2]), 0, 100),
+ l = scale(parseFloat(match[3]), 0, 100),
+ a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
+ return [h, s, l, a];
+ }
+}
+
+function getHwb(string) {
+ if (!string) {
+ return;
+ }
+ var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
+ var match = string.match(hwb);
+ if (match) {
+ var alpha = parseFloat(match[4]);
+ var h = scale(parseInt(match[1]), 0, 360),
+ w = scale(parseFloat(match[2]), 0, 100),
+ b = scale(parseFloat(match[3]), 0, 100),
+ a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
+ return [h, w, b, a];
+ }
+}
+
+function getRgb(string) {
+ var rgba = getRgba(string);
+ return rgba && rgba.slice(0, 3);
+}
+
+function getHsl(string) {
+ var hsla = getHsla(string);
+ return hsla && hsla.slice(0, 3);
+}
+
+function getAlpha(string) {
+ var vals = getRgba(string);
+ if (vals) {
+ return vals[3];
+ }
+ else if (vals = getHsla(string)) {
+ return vals[3];
+ }
+ else if (vals = getHwb(string)) {
+ return vals[3];
+ }
+}
+
+// generators
+function hexString(rgba, a) {
+ var a = (a !== undefined && rgba.length === 3) ? a : rgba[3];
+ return "#" + hexDouble(rgba[0])
+ + hexDouble(rgba[1])
+ + hexDouble(rgba[2])
+ + (
+ (a >= 0 && a < 1)
+ ? hexDouble(Math.round(a * 255))
+ : ""
+ );
+}
+
+function rgbString(rgba, alpha) {
+ if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
+ return rgbaString(rgba, alpha);
+ }
+ return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")";
+}
+
+function rgbaString(rgba, alpha) {
+ if (alpha === undefined) {
+ alpha = (rgba[3] !== undefined ? rgba[3] : 1);
+ }
+ return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2]
+ + ", " + alpha + ")";
+}
+
+function percentString(rgba, alpha) {
+ if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
+ return percentaString(rgba, alpha);
+ }
+ var r = Math.round(rgba[0]/255 * 100),
+ g = Math.round(rgba[1]/255 * 100),
+ b = Math.round(rgba[2]/255 * 100);
+
+ return "rgb(" + r + "%, " + g + "%, " + b + "%)";
+}
+
+function percentaString(rgba, alpha) {
+ var r = Math.round(rgba[0]/255 * 100),
+ g = Math.round(rgba[1]/255 * 100),
+ b = Math.round(rgba[2]/255 * 100);
+ return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")";
+}
+
+function hslString(hsla, alpha) {
+ if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {
+ return hslaString(hsla, alpha);
+ }
+ return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)";
+}
+
+function hslaString(hsla, alpha) {
+ if (alpha === undefined) {
+ alpha = (hsla[3] !== undefined ? hsla[3] : 1);
+ }
+ return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, "
+ + alpha + ")";
+}
+
+// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax
+// (hwb have alpha optional & 1 is default value)
+function hwbString(hwb, alpha) {
+ if (alpha === undefined) {
+ alpha = (hwb[3] !== undefined ? hwb[3] : 1);
+ }
+ return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%"
+ + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")";
+}
+
+function keyword(rgb) {
+ return reverseNames[rgb.slice(0, 3)];
+}
+
+// helpers
+function scale(num, min, max) {
+ return Math.min(Math.max(min, num), max);
+}
+
+function hexDouble(num) {
+ var str = num.toString(16).toUpperCase();
+ return (str.length < 2) ? "0" + str : str;
+}
+
+
+//create a list of reverse color names
+var reverseNames = {};
+for (var name in colorName$1) {
+ reverseNames[colorName$1[name]] = name;
+}
+
+/* MIT license */
+
+
+
+var Color = function (obj) {
+ if (obj instanceof Color) {
+ return obj;
+ }
+ if (!(this instanceof Color)) {
+ return new Color(obj);
+ }
+
+ this.valid = false;
+ this.values = {
+ rgb: [0, 0, 0],
+ hsl: [0, 0, 0],
+ hsv: [0, 0, 0],
+ hwb: [0, 0, 0],
+ cmyk: [0, 0, 0, 0],
+ alpha: 1
+ };
+
+ // parse Color() argument
+ var vals;
+ if (typeof obj === 'string') {
+ vals = colorString.getRgba(obj);
+ if (vals) {
+ this.setValues('rgb', vals);
+ } else if (vals = colorString.getHsla(obj)) {
+ this.setValues('hsl', vals);
+ } else if (vals = colorString.getHwb(obj)) {
+ this.setValues('hwb', vals);
+ }
+ } else if (typeof obj === 'object') {
+ vals = obj;
+ if (vals.r !== undefined || vals.red !== undefined) {
+ this.setValues('rgb', vals);
+ } else if (vals.l !== undefined || vals.lightness !== undefined) {
+ this.setValues('hsl', vals);
+ } else if (vals.v !== undefined || vals.value !== undefined) {
+ this.setValues('hsv', vals);
+ } else if (vals.w !== undefined || vals.whiteness !== undefined) {
+ this.setValues('hwb', vals);
+ } else if (vals.c !== undefined || vals.cyan !== undefined) {
+ this.setValues('cmyk', vals);
+ }
+ }
+};
+
+Color.prototype = {
+ isValid: function () {
+ return this.valid;
+ },
+ rgb: function () {
+ return this.setSpace('rgb', arguments);
+ },
+ hsl: function () {
+ return this.setSpace('hsl', arguments);
+ },
+ hsv: function () {
+ return this.setSpace('hsv', arguments);
+ },
+ hwb: function () {
+ return this.setSpace('hwb', arguments);
+ },
+ cmyk: function () {
+ return this.setSpace('cmyk', arguments);
+ },
+
+ rgbArray: function () {
+ return this.values.rgb;
+ },
+ hslArray: function () {
+ return this.values.hsl;
+ },
+ hsvArray: function () {
+ return this.values.hsv;
+ },
+ hwbArray: function () {
+ var values = this.values;
+ if (values.alpha !== 1) {
+ return values.hwb.concat([values.alpha]);
+ }
+ return values.hwb;
+ },
+ cmykArray: function () {
+ return this.values.cmyk;
+ },
+ rgbaArray: function () {
+ var values = this.values;
+ return values.rgb.concat([values.alpha]);
+ },
+ hslaArray: function () {
+ var values = this.values;
+ return values.hsl.concat([values.alpha]);
+ },
+ alpha: function (val) {
+ if (val === undefined) {
+ return this.values.alpha;
+ }
+ this.setValues('alpha', val);
+ return this;
+ },
+
+ red: function (val) {
+ return this.setChannel('rgb', 0, val);
+ },
+ green: function (val) {
+ return this.setChannel('rgb', 1, val);
+ },
+ blue: function (val) {
+ return this.setChannel('rgb', 2, val);
+ },
+ hue: function (val) {
+ if (val) {
+ val %= 360;
+ val = val < 0 ? 360 + val : val;
+ }
+ return this.setChannel('hsl', 0, val);
+ },
+ saturation: function (val) {
+ return this.setChannel('hsl', 1, val);
+ },
+ lightness: function (val) {
+ return this.setChannel('hsl', 2, val);
+ },
+ saturationv: function (val) {
+ return this.setChannel('hsv', 1, val);
+ },
+ whiteness: function (val) {
+ return this.setChannel('hwb', 1, val);
+ },
+ blackness: function (val) {
+ return this.setChannel('hwb', 2, val);
+ },
+ value: function (val) {
+ return this.setChannel('hsv', 2, val);
+ },
+ cyan: function (val) {
+ return this.setChannel('cmyk', 0, val);
+ },
+ magenta: function (val) {
+ return this.setChannel('cmyk', 1, val);
+ },
+ yellow: function (val) {
+ return this.setChannel('cmyk', 2, val);
+ },
+ black: function (val) {
+ return this.setChannel('cmyk', 3, val);
+ },
+
+ hexString: function () {
+ return colorString.hexString(this.values.rgb);
+ },
+ rgbString: function () {
+ return colorString.rgbString(this.values.rgb, this.values.alpha);
+ },
+ rgbaString: function () {
+ return colorString.rgbaString(this.values.rgb, this.values.alpha);
+ },
+ percentString: function () {
+ return colorString.percentString(this.values.rgb, this.values.alpha);
+ },
+ hslString: function () {
+ return colorString.hslString(this.values.hsl, this.values.alpha);
+ },
+ hslaString: function () {
+ return colorString.hslaString(this.values.hsl, this.values.alpha);
+ },
+ hwbString: function () {
+ return colorString.hwbString(this.values.hwb, this.values.alpha);
+ },
+ keyword: function () {
+ return colorString.keyword(this.values.rgb, this.values.alpha);
+ },
+
+ rgbNumber: function () {
+ var rgb = this.values.rgb;
+ return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];
+ },
+
+ luminosity: function () {
+ // http://www.w3.org/TR/WCAG20/#relativeluminancedef
+ var rgb = this.values.rgb;
+ var lum = [];
+ for (var i = 0; i < rgb.length; i++) {
+ var chan = rgb[i] / 255;
+ lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);
+ }
+ return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];
+ },
+
+ contrast: function (color2) {
+ // http://www.w3.org/TR/WCAG20/#contrast-ratiodef
+ var lum1 = this.luminosity();
+ var lum2 = color2.luminosity();
+ if (lum1 > lum2) {
+ return (lum1 + 0.05) / (lum2 + 0.05);
+ }
+ return (lum2 + 0.05) / (lum1 + 0.05);
+ },
+
+ level: function (color2) {
+ var contrastRatio = this.contrast(color2);
+ if (contrastRatio >= 7.1) {
+ return 'AAA';
+ }
+
+ return (contrastRatio >= 4.5) ? 'AA' : '';
+ },
+
+ dark: function () {
+ // YIQ equation from http://24ways.org/2010/calculating-color-contrast
+ var rgb = this.values.rgb;
+ var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;
+ return yiq < 128;
+ },
+
+ light: function () {
+ return !this.dark();
+ },
+
+ negate: function () {
+ var rgb = [];
+ for (var i = 0; i < 3; i++) {
+ rgb[i] = 255 - this.values.rgb[i];
+ }
+ this.setValues('rgb', rgb);
+ return this;
+ },
+
+ lighten: function (ratio) {
+ var hsl = this.values.hsl;
+ hsl[2] += hsl[2] * ratio;
+ this.setValues('hsl', hsl);
+ return this;
+ },
+
+ darken: function (ratio) {
+ var hsl = this.values.hsl;
+ hsl[2] -= hsl[2] * ratio;
+ this.setValues('hsl', hsl);
+ return this;
+ },
+
+ saturate: function (ratio) {
+ var hsl = this.values.hsl;
+ hsl[1] += hsl[1] * ratio;
+ this.setValues('hsl', hsl);
+ return this;
+ },
+
+ desaturate: function (ratio) {
+ var hsl = this.values.hsl;
+ hsl[1] -= hsl[1] * ratio;
+ this.setValues('hsl', hsl);
+ return this;
+ },
+
+ whiten: function (ratio) {
+ var hwb = this.values.hwb;
+ hwb[1] += hwb[1] * ratio;
+ this.setValues('hwb', hwb);
+ return this;
+ },
+
+ blacken: function (ratio) {
+ var hwb = this.values.hwb;
+ hwb[2] += hwb[2] * ratio;
+ this.setValues('hwb', hwb);
+ return this;
+ },
+
+ greyscale: function () {
+ var rgb = this.values.rgb;
+ // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale
+ var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;
+ this.setValues('rgb', [val, val, val]);
+ return this;
+ },
+
+ clearer: function (ratio) {
+ var alpha = this.values.alpha;
+ this.setValues('alpha', alpha - (alpha * ratio));
+ return this;
+ },
+
+ opaquer: function (ratio) {
+ var alpha = this.values.alpha;
+ this.setValues('alpha', alpha + (alpha * ratio));
+ return this;
+ },
+
+ rotate: function (degrees) {
+ var hsl = this.values.hsl;
+ var hue = (hsl[0] + degrees) % 360;
+ hsl[0] = hue < 0 ? 360 + hue : hue;
+ this.setValues('hsl', hsl);
+ return this;
+ },
+
+ /**
+ * Ported from sass implementation in C
+ * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209
+ */
+ mix: function (mixinColor, weight) {
+ var color1 = this;
+ var color2 = mixinColor;
+ var p = weight === undefined ? 0.5 : weight;
+
+ var w = 2 * p - 1;
+ var a = color1.alpha() - color2.alpha();
+
+ var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;
+ var w2 = 1 - w1;
+
+ return this
+ .rgb(
+ w1 * color1.red() + w2 * color2.red(),
+ w1 * color1.green() + w2 * color2.green(),
+ w1 * color1.blue() + w2 * color2.blue()
+ )
+ .alpha(color1.alpha() * p + color2.alpha() * (1 - p));
+ },
+
+ toJSON: function () {
+ return this.rgb();
+ },
+
+ clone: function () {
+ // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,
+ // making the final build way to big to embed in Chart.js. So let's do it manually,
+ // assuming that values to clone are 1 dimension arrays containing only numbers,
+ // except 'alpha' which is a number.
+ var result = new Color();
+ var source = this.values;
+ var target = result.values;
+ var value, type;
+
+ for (var prop in source) {
+ if (source.hasOwnProperty(prop)) {
+ value = source[prop];
+ type = ({}).toString.call(value);
+ if (type === '[object Array]') {
+ target[prop] = value.slice(0);
+ } else if (type === '[object Number]') {
+ target[prop] = value;
+ } else {
+ console.error('unexpected color value:', value);
+ }
+ }
+ }
+
+ return result;
+ }
+};
+
+Color.prototype.spaces = {
+ rgb: ['red', 'green', 'blue'],
+ hsl: ['hue', 'saturation', 'lightness'],
+ hsv: ['hue', 'saturation', 'value'],
+ hwb: ['hue', 'whiteness', 'blackness'],
+ cmyk: ['cyan', 'magenta', 'yellow', 'black']
+};
+
+Color.prototype.maxes = {
+ rgb: [255, 255, 255],
+ hsl: [360, 100, 100],
+ hsv: [360, 100, 100],
+ hwb: [360, 100, 100],
+ cmyk: [100, 100, 100, 100]
+};
+
+Color.prototype.getValues = function (space) {
+ var values = this.values;
+ var vals = {};
+
+ for (var i = 0; i < space.length; i++) {
+ vals[space.charAt(i)] = values[space][i];
+ }
+
+ if (values.alpha !== 1) {
+ vals.a = values.alpha;
+ }
+
+ // {r: 255, g: 255, b: 255, a: 0.4}
+ return vals;
+};
+
+Color.prototype.setValues = function (space, vals) {
+ var values = this.values;
+ var spaces = this.spaces;
+ var maxes = this.maxes;
+ var alpha = 1;
+ var i;
+
+ this.valid = true;
+
+ if (space === 'alpha') {
+ alpha = vals;
+ } else if (vals.length) {
+ // [10, 10, 10]
+ values[space] = vals.slice(0, space.length);
+ alpha = vals[space.length];
+ } else if (vals[space.charAt(0)] !== undefined) {
+ // {r: 10, g: 10, b: 10}
+ for (i = 0; i < space.length; i++) {
+ values[space][i] = vals[space.charAt(i)];
+ }
+
+ alpha = vals.a;
+ } else if (vals[spaces[space][0]] !== undefined) {
+ // {red: 10, green: 10, blue: 10}
+ var chans = spaces[space];
+
+ for (i = 0; i < space.length; i++) {
+ values[space][i] = vals[chans[i]];
+ }
+
+ alpha = vals.alpha;
+ }
+
+ values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));
+
+ if (space === 'alpha') {
+ return false;
+ }
+
+ var capped;
+
+ // cap values of the space prior converting all values
+ for (i = 0; i < space.length; i++) {
+ capped = Math.max(0, Math.min(maxes[space][i], values[space][i]));
+ values[space][i] = Math.round(capped);
+ }
+
+ // convert to all the other color spaces
+ for (var sname in spaces) {
+ if (sname !== space) {
+ values[sname] = colorConvert[space][sname](values[space]);
+ }
+ }
+
+ return true;
+};
+
+Color.prototype.setSpace = function (space, args) {
+ var vals = args[0];
+
+ if (vals === undefined) {
+ // color.rgb()
+ return this.getValues(space);
+ }
+
+ // color.rgb(10, 10, 10)
+ if (typeof vals === 'number') {
+ vals = Array.prototype.slice.call(args);
+ }
+
+ this.setValues(space, vals);
+ return this;
+};
+
+Color.prototype.setChannel = function (space, index, val) {
+ var svalues = this.values[space];
+ if (val === undefined) {
+ // color.red()
+ return svalues[index];
+ } else if (val === svalues[index]) {
+ // color.red(color.red())
+ return this;
+ }
+
+ // color.red(100)
+ svalues[index] = val;
+ this.setValues(space, svalues);
+
+ return this;
+};
+
+if (typeof window !== 'undefined') {
+ window.Color = Color;
+}
+
+var chartjsColor = Color;
+
+/**
+ * @namespace Chart.helpers
+ */
+var helpers = {
+ /**
+ * An empty function that can be used, for example, for optional callback.
+ */
+ noop: function() {},
+
+ /**
+ * Returns a unique id, sequentially generated from a global variable.
+ * @returns {number}
+ * @function
+ */
+ uid: (function() {
+ var id = 0;
+ return function() {
+ return id++;
+ };
+ }()),
+
+ /**
+ * Returns true if `value` is neither null nor undefined, else returns false.
+ * @param {*} value - The value to test.
+ * @returns {boolean}
+ * @since 2.7.0
+ */
+ isNullOrUndef: function(value) {
+ return value === null || typeof value === 'undefined';
+ },
+
+ /**
+ * Returns true if `value` is an array (including typed arrays), else returns false.
+ * @param {*} value - The value to test.
+ * @returns {boolean}
+ * @function
+ */
+ isArray: function(value) {
+ if (Array.isArray && Array.isArray(value)) {
+ return true;
+ }
+ var type = Object.prototype.toString.call(value);
+ if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') {
+ return true;
+ }
+ return false;
+ },
+
+ /**
+ * Returns true if `value` is an object (excluding null), else returns false.
+ * @param {*} value - The value to test.
+ * @returns {boolean}
+ * @since 2.7.0
+ */
+ isObject: function(value) {
+ return value !== null && Object.prototype.toString.call(value) === '[object Object]';
+ },
+
+ /**
+ * Returns true if `value` is a finite number, else returns false
+ * @param {*} value - The value to test.
+ * @returns {boolean}
+ */
+ isFinite: function(value) {
+ return (typeof value === 'number' || value instanceof Number) && isFinite(value);
+ },
+
+ /**
+ * Returns `value` if defined, else returns `defaultValue`.
+ * @param {*} value - The value to return if defined.
+ * @param {*} defaultValue - The value to return if `value` is undefined.
+ * @returns {*}
+ */
+ valueOrDefault: function(value, defaultValue) {
+ return typeof value === 'undefined' ? defaultValue : value;
+ },
+
+ /**
+ * Returns value at the given `index` in array if defined, else returns `defaultValue`.
+ * @param {Array} value - The array to lookup for value at `index`.
+ * @param {number} index - The index in `value` to lookup for value.
+ * @param {*} defaultValue - The value to return if `value[index]` is undefined.
+ * @returns {*}
+ */
+ valueAtIndexOrDefault: function(value, index, defaultValue) {
+ return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);
+ },
+
+ /**
+ * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the
+ * value returned by `fn`. If `fn` is not a function, this method returns undefined.
+ * @param {function} fn - The function to call.
+ * @param {Array|undefined|null} args - The arguments with which `fn` should be called.
+ * @param {object} [thisArg] - The value of `this` provided for the call to `fn`.
+ * @returns {*}
+ */
+ callback: function(fn, args, thisArg) {
+ if (fn && typeof fn.call === 'function') {
+ return fn.apply(thisArg, args);
+ }
+ },
+
+ /**
+ * Note(SB) for performance sake, this method should only be used when loopable type
+ * is unknown or in none intensive code (not called often and small loopable). Else
+ * it's preferable to use a regular for() loop and save extra function calls.
+ * @param {object|Array} loopable - The object or array to be iterated.
+ * @param {function} fn - The function to call for each item.
+ * @param {object} [thisArg] - The value of `this` provided for the call to `fn`.
+ * @param {boolean} [reverse] - If true, iterates backward on the loopable.
+ */
+ each: function(loopable, fn, thisArg, reverse) {
+ var i, len, keys;
+ if (helpers.isArray(loopable)) {
+ len = loopable.length;
+ if (reverse) {
+ for (i = len - 1; i >= 0; i--) {
+ fn.call(thisArg, loopable[i], i);
+ }
+ } else {
+ for (i = 0; i < len; i++) {
+ fn.call(thisArg, loopable[i], i);
+ }
+ }
+ } else if (helpers.isObject(loopable)) {
+ keys = Object.keys(loopable);
+ len = keys.length;
+ for (i = 0; i < len; i++) {
+ fn.call(thisArg, loopable[keys[i]], keys[i]);
+ }
+ }
+ },
+
+ /**
+ * Returns true if the `a0` and `a1` arrays have the same content, else returns false.
+ * @see https://stackoverflow.com/a/14853974
+ * @param {Array} a0 - The array to compare
+ * @param {Array} a1 - The array to compare
+ * @returns {boolean}
+ */
+ arrayEquals: function(a0, a1) {
+ var i, ilen, v0, v1;
+
+ if (!a0 || !a1 || a0.length !== a1.length) {
+ return false;
+ }
+
+ for (i = 0, ilen = a0.length; i < ilen; ++i) {
+ v0 = a0[i];
+ v1 = a1[i];
+
+ if (v0 instanceof Array && v1 instanceof Array) {
+ if (!helpers.arrayEquals(v0, v1)) {
+ return false;
+ }
+ } else if (v0 !== v1) {
+ // NOTE: two different object instances will never be equal: {x:20} != {x:20}
+ return false;
+ }
+ }
+
+ return true;
+ },
+
+ /**
+ * Returns a deep copy of `source` without keeping references on objects and arrays.
+ * @param {*} source - The value to clone.
+ * @returns {*}
+ */
+ clone: function(source) {
+ if (helpers.isArray(source)) {
+ return source.map(helpers.clone);
+ }
+
+ if (helpers.isObject(source)) {
+ var target = {};
+ var keys = Object.keys(source);
+ var klen = keys.length;
+ var k = 0;
+
+ for (; k < klen; ++k) {
+ target[keys[k]] = helpers.clone(source[keys[k]]);
+ }
+
+ return target;
+ }
+
+ return source;
+ },
+
+ /**
+ * The default merger when Chart.helpers.merge is called without merger option.
+ * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback.
+ * @private
+ */
+ _merger: function(key, target, source, options) {
+ var tval = target[key];
+ var sval = source[key];
+
+ if (helpers.isObject(tval) && helpers.isObject(sval)) {
+ helpers.merge(tval, sval, options);
+ } else {
+ target[key] = helpers.clone(sval);
+ }
+ },
+
+ /**
+ * Merges source[key] in target[key] only if target[key] is undefined.
+ * @private
+ */
+ _mergerIf: function(key, target, source) {
+ var tval = target[key];
+ var sval = source[key];
+
+ if (helpers.isObject(tval) && helpers.isObject(sval)) {
+ helpers.mergeIf(tval, sval);
+ } else if (!target.hasOwnProperty(key)) {
+ target[key] = helpers.clone(sval);
+ }
+ },
+
+ /**
+ * Recursively deep copies `source` properties into `target` with the given `options`.
+ * IMPORTANT: `target` is not cloned and will be updated with `source` properties.
+ * @param {object} target - The target object in which all sources are merged into.
+ * @param {object|object[]} source - Object(s) to merge into `target`.
+ * @param {object} [options] - Merging options:
+ * @param {function} [options.merger] - The merge method (key, target, source, options)
+ * @returns {object} The `target` object.
+ */
+ merge: function(target, source, options) {
+ var sources = helpers.isArray(source) ? source : [source];
+ var ilen = sources.length;
+ var merge, i, keys, klen, k;
+
+ if (!helpers.isObject(target)) {
+ return target;
+ }
+
+ options = options || {};
+ merge = options.merger || helpers._merger;
+
+ for (i = 0; i < ilen; ++i) {
+ source = sources[i];
+ if (!helpers.isObject(source)) {
+ continue;
+ }
+
+ keys = Object.keys(source);
+ for (k = 0, klen = keys.length; k < klen; ++k) {
+ merge(keys[k], target, source, options);
+ }
+ }
+
+ return target;
+ },
+
+ /**
+ * Recursively deep copies `source` properties into `target` *only* if not defined in target.
+ * IMPORTANT: `target` is not cloned and will be updated with `source` properties.
+ * @param {object} target - The target object in which all sources are merged into.
+ * @param {object|object[]} source - Object(s) to merge into `target`.
+ * @returns {object} The `target` object.
+ */
+ mergeIf: function(target, source) {
+ return helpers.merge(target, source, {merger: helpers._mergerIf});
+ },
+
+ /**
+ * Applies the contents of two or more objects together into the first object.
+ * @param {object} target - The target object in which all objects are merged into.
+ * @param {object} arg1 - Object containing additional properties to merge in target.
+ * @param {object} argN - Additional objects containing properties to merge in target.
+ * @returns {object} The `target` object.
+ */
+ extend: Object.assign || function(target) {
+ return helpers.merge(target, [].slice.call(arguments, 1), {
+ merger: function(key, dst, src) {
+ dst[key] = src[key];
+ }
+ });
+ },
+
+ /**
+ * Basic javascript inheritance based on the model created in Backbone.js
+ */
+ inherits: function(extensions) {
+ var me = this;
+ var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {
+ return me.apply(this, arguments);
+ };
+
+ var Surrogate = function() {
+ this.constructor = ChartElement;
+ };
+
+ Surrogate.prototype = me.prototype;
+ ChartElement.prototype = new Surrogate();
+ ChartElement.extend = helpers.inherits;
+
+ if (extensions) {
+ helpers.extend(ChartElement.prototype, extensions);
+ }
+
+ ChartElement.__super__ = me.prototype;
+ return ChartElement;
+ },
+
+ _deprecated: function(scope, value, previous, current) {
+ if (value !== undefined) {
+ console.warn(scope + ': "' + previous +
+ '" is deprecated. Please use "' + current + '" instead');
+ }
+ }
+};
+
+var helpers_core = helpers;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.callback instead.
+ * @function Chart.helpers.callCallback
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.callCallback = helpers.callback;
+
+/**
+ * Provided for backward compatibility, use Array.prototype.indexOf instead.
+ * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+
+ * @function Chart.helpers.indexOf
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.indexOf = function(array, item, fromIndex) {
+ return Array.prototype.indexOf.call(array, item, fromIndex);
+};
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.
+ * @function Chart.helpers.getValueOrDefault
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.getValueOrDefault = helpers.valueOrDefault;
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.
+ * @function Chart.helpers.getValueAtIndexOrDefault
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
+
+/**
+ * Easing functions adapted from Robert Penner's easing equations.
+ * @namespace Chart.helpers.easingEffects
+ * @see http://www.robertpenner.com/easing/
+ */
+var effects = {
+ linear: function(t) {
+ return t;
+ },
+
+ easeInQuad: function(t) {
+ return t * t;
+ },
+
+ easeOutQuad: function(t) {
+ return -t * (t - 2);
+ },
+
+ easeInOutQuad: function(t) {
+ if ((t /= 0.5) < 1) {
+ return 0.5 * t * t;
+ }
+ return -0.5 * ((--t) * (t - 2) - 1);
+ },
+
+ easeInCubic: function(t) {
+ return t * t * t;
+ },
+
+ easeOutCubic: function(t) {
+ return (t = t - 1) * t * t + 1;
+ },
+
+ easeInOutCubic: function(t) {
+ if ((t /= 0.5) < 1) {
+ return 0.5 * t * t * t;
+ }
+ return 0.5 * ((t -= 2) * t * t + 2);
+ },
+
+ easeInQuart: function(t) {
+ return t * t * t * t;
+ },
+
+ easeOutQuart: function(t) {
+ return -((t = t - 1) * t * t * t - 1);
+ },
+
+ easeInOutQuart: function(t) {
+ if ((t /= 0.5) < 1) {
+ return 0.5 * t * t * t * t;
+ }
+ return -0.5 * ((t -= 2) * t * t * t - 2);
+ },
+
+ easeInQuint: function(t) {
+ return t * t * t * t * t;
+ },
+
+ easeOutQuint: function(t) {
+ return (t = t - 1) * t * t * t * t + 1;
+ },
+
+ easeInOutQuint: function(t) {
+ if ((t /= 0.5) < 1) {
+ return 0.5 * t * t * t * t * t;
+ }
+ return 0.5 * ((t -= 2) * t * t * t * t + 2);
+ },
+
+ easeInSine: function(t) {
+ return -Math.cos(t * (Math.PI / 2)) + 1;
+ },
+
+ easeOutSine: function(t) {
+ return Math.sin(t * (Math.PI / 2));
+ },
+
+ easeInOutSine: function(t) {
+ return -0.5 * (Math.cos(Math.PI * t) - 1);
+ },
+
+ easeInExpo: function(t) {
+ return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));
+ },
+
+ easeOutExpo: function(t) {
+ return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;
+ },
+
+ easeInOutExpo: function(t) {
+ if (t === 0) {
+ return 0;
+ }
+ if (t === 1) {
+ return 1;
+ }
+ if ((t /= 0.5) < 1) {
+ return 0.5 * Math.pow(2, 10 * (t - 1));
+ }
+ return 0.5 * (-Math.pow(2, -10 * --t) + 2);
+ },
+
+ easeInCirc: function(t) {
+ if (t >= 1) {
+ return t;
+ }
+ return -(Math.sqrt(1 - t * t) - 1);
+ },
+
+ easeOutCirc: function(t) {
+ return Math.sqrt(1 - (t = t - 1) * t);
+ },
+
+ easeInOutCirc: function(t) {
+ if ((t /= 0.5) < 1) {
+ return -0.5 * (Math.sqrt(1 - t * t) - 1);
+ }
+ return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);
+ },
+
+ easeInElastic: function(t) {
+ var s = 1.70158;
+ var p = 0;
+ var a = 1;
+ if (t === 0) {
+ return 0;
+ }
+ if (t === 1) {
+ return 1;
+ }
+ if (!p) {
+ p = 0.3;
+ }
+ if (a < 1) {
+ a = 1;
+ s = p / 4;
+ } else {
+ s = p / (2 * Math.PI) * Math.asin(1 / a);
+ }
+ return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));
+ },
+
+ easeOutElastic: function(t) {
+ var s = 1.70158;
+ var p = 0;
+ var a = 1;
+ if (t === 0) {
+ return 0;
+ }
+ if (t === 1) {
+ return 1;
+ }
+ if (!p) {
+ p = 0.3;
+ }
+ if (a < 1) {
+ a = 1;
+ s = p / 4;
+ } else {
+ s = p / (2 * Math.PI) * Math.asin(1 / a);
+ }
+ return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;
+ },
+
+ easeInOutElastic: function(t) {
+ var s = 1.70158;
+ var p = 0;
+ var a = 1;
+ if (t === 0) {
+ return 0;
+ }
+ if ((t /= 0.5) === 2) {
+ return 1;
+ }
+ if (!p) {
+ p = 0.45;
+ }
+ if (a < 1) {
+ a = 1;
+ s = p / 4;
+ } else {
+ s = p / (2 * Math.PI) * Math.asin(1 / a);
+ }
+ if (t < 1) {
+ return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));
+ }
+ return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;
+ },
+ easeInBack: function(t) {
+ var s = 1.70158;
+ return t * t * ((s + 1) * t - s);
+ },
+
+ easeOutBack: function(t) {
+ var s = 1.70158;
+ return (t = t - 1) * t * ((s + 1) * t + s) + 1;
+ },
+
+ easeInOutBack: function(t) {
+ var s = 1.70158;
+ if ((t /= 0.5) < 1) {
+ return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));
+ }
+ return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);
+ },
+
+ easeInBounce: function(t) {
+ return 1 - effects.easeOutBounce(1 - t);
+ },
+
+ easeOutBounce: function(t) {
+ if (t < (1 / 2.75)) {
+ return 7.5625 * t * t;
+ }
+ if (t < (2 / 2.75)) {
+ return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;
+ }
+ if (t < (2.5 / 2.75)) {
+ return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;
+ }
+ return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;
+ },
+
+ easeInOutBounce: function(t) {
+ if (t < 0.5) {
+ return effects.easeInBounce(t * 2) * 0.5;
+ }
+ return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;
+ }
+};
+
+var helpers_easing = {
+ effects: effects
+};
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.easing.effects instead.
+ * @function Chart.helpers.easingEffects
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.easingEffects = effects;
+
+var PI = Math.PI;
+var RAD_PER_DEG = PI / 180;
+var DOUBLE_PI = PI * 2;
+var HALF_PI = PI / 2;
+var QUARTER_PI = PI / 4;
+var TWO_THIRDS_PI = PI * 2 / 3;
+
+/**
+ * @namespace Chart.helpers.canvas
+ */
+var exports$1 = {
+ /**
+ * Clears the entire canvas associated to the given `chart`.
+ * @param {Chart} chart - The chart for which to clear the canvas.
+ */
+ clear: function(chart) {
+ chart.ctx.clearRect(0, 0, chart.width, chart.height);
+ },
+
+ /**
+ * Creates a "path" for a rectangle with rounded corners at position (x, y) with a
+ * given size (width, height) and the same `radius` for all corners.
+ * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.
+ * @param {number} x - The x axis of the coordinate for the rectangle starting point.
+ * @param {number} y - The y axis of the coordinate for the rectangle starting point.
+ * @param {number} width - The rectangle's width.
+ * @param {number} height - The rectangle's height.
+ * @param {number} radius - The rounded amount (in pixels) for the four corners.
+ * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?
+ */
+ roundedRect: function(ctx, x, y, width, height, radius) {
+ if (radius) {
+ var r = Math.min(radius, height / 2, width / 2);
+ var left = x + r;
+ var top = y + r;
+ var right = x + width - r;
+ var bottom = y + height - r;
+
+ ctx.moveTo(x, top);
+ if (left < right && top < bottom) {
+ ctx.arc(left, top, r, -PI, -HALF_PI);
+ ctx.arc(right, top, r, -HALF_PI, 0);
+ ctx.arc(right, bottom, r, 0, HALF_PI);
+ ctx.arc(left, bottom, r, HALF_PI, PI);
+ } else if (left < right) {
+ ctx.moveTo(left, y);
+ ctx.arc(right, top, r, -HALF_PI, HALF_PI);
+ ctx.arc(left, top, r, HALF_PI, PI + HALF_PI);
+ } else if (top < bottom) {
+ ctx.arc(left, top, r, -PI, 0);
+ ctx.arc(left, bottom, r, 0, PI);
+ } else {
+ ctx.arc(left, top, r, -PI, PI);
+ }
+ ctx.closePath();
+ ctx.moveTo(x, y);
+ } else {
+ ctx.rect(x, y, width, height);
+ }
+ },
+
+ drawPoint: function(ctx, style, radius, x, y, rotation) {
+ var type, xOffset, yOffset, size, cornerRadius;
+ var rad = (rotation || 0) * RAD_PER_DEG;
+
+ if (style && typeof style === 'object') {
+ type = style.toString();
+ if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {
+ ctx.save();
+ ctx.translate(x, y);
+ ctx.rotate(rad);
+ ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height);
+ ctx.restore();
+ return;
+ }
+ }
+
+ if (isNaN(radius) || radius <= 0) {
+ return;
+ }
+
+ ctx.beginPath();
+
+ switch (style) {
+ // Default includes circle
+ default:
+ ctx.arc(x, y, radius, 0, DOUBLE_PI);
+ ctx.closePath();
+ break;
+ case 'triangle':
+ ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+ rad += TWO_THIRDS_PI;
+ ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+ rad += TWO_THIRDS_PI;
+ ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
+ ctx.closePath();
+ break;
+ case 'rectRounded':
+ // NOTE: the rounded rect implementation changed to use `arc` instead of
+ // `quadraticCurveTo` since it generates better results when rect is
+ // almost a circle. 0.516 (instead of 0.5) produces results with visually
+ // closer proportion to the previous impl and it is inscribed in the
+ // circle with `radius`. For more details, see the following PRs:
+ // https://github.com/chartjs/Chart.js/issues/5597
+ // https://github.com/chartjs/Chart.js/issues/5858
+ cornerRadius = radius * 0.516;
+ size = radius - cornerRadius;
+ xOffset = Math.cos(rad + QUARTER_PI) * size;
+ yOffset = Math.sin(rad + QUARTER_PI) * size;
+ ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI);
+ ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad);
+ ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI);
+ ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI);
+ ctx.closePath();
+ break;
+ case 'rect':
+ if (!rotation) {
+ size = Math.SQRT1_2 * radius;
+ ctx.rect(x - size, y - size, 2 * size, 2 * size);
+ break;
+ }
+ rad += QUARTER_PI;
+ /* falls through */
+ case 'rectRot':
+ xOffset = Math.cos(rad) * radius;
+ yOffset = Math.sin(rad) * radius;
+ ctx.moveTo(x - xOffset, y - yOffset);
+ ctx.lineTo(x + yOffset, y - xOffset);
+ ctx.lineTo(x + xOffset, y + yOffset);
+ ctx.lineTo(x - yOffset, y + xOffset);
+ ctx.closePath();
+ break;
+ case 'crossRot':
+ rad += QUARTER_PI;
+ /* falls through */
+ case 'cross':
+ xOffset = Math.cos(rad) * radius;
+ yOffset = Math.sin(rad) * radius;
+ ctx.moveTo(x - xOffset, y - yOffset);
+ ctx.lineTo(x + xOffset, y + yOffset);
+ ctx.moveTo(x + yOffset, y - xOffset);
+ ctx.lineTo(x - yOffset, y + xOffset);
+ break;
+ case 'star':
+ xOffset = Math.cos(rad) * radius;
+ yOffset = Math.sin(rad) * radius;
+ ctx.moveTo(x - xOffset, y - yOffset);
+ ctx.lineTo(x + xOffset, y + yOffset);
+ ctx.moveTo(x + yOffset, y - xOffset);
+ ctx.lineTo(x - yOffset, y + xOffset);
+ rad += QUARTER_PI;
+ xOffset = Math.cos(rad) * radius;
+ yOffset = Math.sin(rad) * radius;
+ ctx.moveTo(x - xOffset, y - yOffset);
+ ctx.lineTo(x + xOffset, y + yOffset);
+ ctx.moveTo(x + yOffset, y - xOffset);
+ ctx.lineTo(x - yOffset, y + xOffset);
+ break;
+ case 'line':
+ xOffset = Math.cos(rad) * radius;
+ yOffset = Math.sin(rad) * radius;
+ ctx.moveTo(x - xOffset, y - yOffset);
+ ctx.lineTo(x + xOffset, y + yOffset);
+ break;
+ case 'dash':
+ ctx.moveTo(x, y);
+ ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius);
+ break;
+ }
+
+ ctx.fill();
+ ctx.stroke();
+ },
+
+ /**
+ * Returns true if the point is inside the rectangle
+ * @param {object} point - The point to test
+ * @param {object} area - The rectangle
+ * @returns {boolean}
+ * @private
+ */
+ _isPointInArea: function(point, area) {
+ var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error.
+
+ return point.x > area.left - epsilon && point.x < area.right + epsilon &&
+ point.y > area.top - epsilon && point.y < area.bottom + epsilon;
+ },
+
+ clipArea: function(ctx, area) {
+ ctx.save();
+ ctx.beginPath();
+ ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);
+ ctx.clip();
+ },
+
+ unclipArea: function(ctx) {
+ ctx.restore();
+ },
+
+ lineTo: function(ctx, previous, target, flip) {
+ var stepped = target.steppedLine;
+ if (stepped) {
+ if (stepped === 'middle') {
+ var midpoint = (previous.x + target.x) / 2.0;
+ ctx.lineTo(midpoint, flip ? target.y : previous.y);
+ ctx.lineTo(midpoint, flip ? previous.y : target.y);
+ } else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) {
+ ctx.lineTo(previous.x, target.y);
+ } else {
+ ctx.lineTo(target.x, previous.y);
+ }
+ ctx.lineTo(target.x, target.y);
+ return;
+ }
+
+ if (!target.tension) {
+ ctx.lineTo(target.x, target.y);
+ return;
+ }
+
+ ctx.bezierCurveTo(
+ flip ? previous.controlPointPreviousX : previous.controlPointNextX,
+ flip ? previous.controlPointPreviousY : previous.controlPointNextY,
+ flip ? target.controlPointNextX : target.controlPointPreviousX,
+ flip ? target.controlPointNextY : target.controlPointPreviousY,
+ target.x,
+ target.y);
+ }
+};
+
+var helpers_canvas = exports$1;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.
+ * @namespace Chart.helpers.clear
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.clear = exports$1.clear;
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.
+ * @namespace Chart.helpers.drawRoundedRectangle
+ * @deprecated since version 2.7.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.drawRoundedRectangle = function(ctx) {
+ ctx.beginPath();
+ exports$1.roundedRect.apply(exports$1, arguments);
+};
+
+var defaults = {
+ /**
+ * @private
+ */
+ _set: function(scope, values) {
+ return helpers_core.merge(this[scope] || (this[scope] = {}), values);
+ }
+};
+
+// TODO(v3): remove 'global' from namespace. all default are global and
+// there's inconsistency around which options are under 'global'
+defaults._set('global', {
+ defaultColor: 'rgba(0,0,0,0.1)',
+ defaultFontColor: '#666',
+ defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
+ defaultFontSize: 12,
+ defaultFontStyle: 'normal',
+ defaultLineHeight: 1.2,
+ showLines: true
+});
+
+var core_defaults = defaults;
+
+var valueOrDefault = helpers_core.valueOrDefault;
+
+/**
+ * Converts the given font object into a CSS font string.
+ * @param {object} font - A font object.
+ * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font
+ * @private
+ */
+function toFontString(font) {
+ if (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) {
+ return null;
+ }
+
+ return (font.style ? font.style + ' ' : '')
+ + (font.weight ? font.weight + ' ' : '')
+ + font.size + 'px '
+ + font.family;
+}
+
+/**
+ * @alias Chart.helpers.options
+ * @namespace
+ */
+var helpers_options = {
+ /**
+ * Converts the given line height `value` in pixels for a specific font `size`.
+ * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').
+ * @param {number} size - The font size (in pixels) used to resolve relative `value`.
+ * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid).
+ * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height
+ * @since 2.7.0
+ */
+ toLineHeight: function(value, size) {
+ var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/);
+ if (!matches || matches[1] === 'normal') {
+ return size * 1.2;
+ }
+
+ value = +matches[2];
+
+ switch (matches[3]) {
+ case 'px':
+ return value;
+ case '%':
+ value /= 100;
+ break;
+ }
+
+ return size * value;
+ },
+
+ /**
+ * Converts the given value into a padding object with pre-computed width/height.
+ * @param {number|object} value - If a number, set the value to all TRBL component,
+ * else, if and object, use defined properties and sets undefined ones to 0.
+ * @returns {object} The padding values (top, right, bottom, left, width, height)
+ * @since 2.7.0
+ */
+ toPadding: function(value) {
+ var t, r, b, l;
+
+ if (helpers_core.isObject(value)) {
+ t = +value.top || 0;
+ r = +value.right || 0;
+ b = +value.bottom || 0;
+ l = +value.left || 0;
+ } else {
+ t = r = b = l = +value || 0;
+ }
+
+ return {
+ top: t,
+ right: r,
+ bottom: b,
+ left: l,
+ height: t + b,
+ width: l + r
+ };
+ },
+
+ /**
+ * Parses font options and returns the font object.
+ * @param {object} options - A object that contains font options to be parsed.
+ * @return {object} The font object.
+ * @todo Support font.* options and renamed to toFont().
+ * @private
+ */
+ _parseFont: function(options) {
+ var globalDefaults = core_defaults.global;
+ var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);
+ var font = {
+ family: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily),
+ lineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size),
+ size: size,
+ style: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle),
+ weight: null,
+ string: ''
+ };
+
+ font.string = toFontString(font);
+ return font;
+ },
+
+ /**
+ * Evaluates the given `inputs` sequentially and returns the first defined value.
+ * @param {Array} inputs - An array of values, falling back to the last value.
+ * @param {object} [context] - If defined and the current value is a function, the value
+ * is called with `context` as first argument and the result becomes the new input.
+ * @param {number} [index] - If defined and the current value is an array, the value
+ * at `index` become the new input.
+ * @param {object} [info] - object to return information about resolution in
+ * @param {boolean} [info.cacheable] - Will be set to `false` if option is not cacheable.
+ * @since 2.7.0
+ */
+ resolve: function(inputs, context, index, info) {
+ var cacheable = true;
+ var i, ilen, value;
+
+ for (i = 0, ilen = inputs.length; i < ilen; ++i) {
+ value = inputs[i];
+ if (value === undefined) {
+ continue;
+ }
+ if (context !== undefined && typeof value === 'function') {
+ value = value(context);
+ cacheable = false;
+ }
+ if (index !== undefined && helpers_core.isArray(value)) {
+ value = value[index];
+ cacheable = false;
+ }
+ if (value !== undefined) {
+ if (info && !cacheable) {
+ info.cacheable = false;
+ }
+ return value;
+ }
+ }
+ }
+};
+
+/**
+ * @alias Chart.helpers.math
+ * @namespace
+ */
+var exports$2 = {
+ /**
+ * Returns an array of factors sorted from 1 to sqrt(value)
+ * @private
+ */
+ _factorize: function(value) {
+ var result = [];
+ var sqrt = Math.sqrt(value);
+ var i;
+
+ for (i = 1; i < sqrt; i++) {
+ if (value % i === 0) {
+ result.push(i);
+ result.push(value / i);
+ }
+ }
+ if (sqrt === (sqrt | 0)) { // if value is a square number
+ result.push(sqrt);
+ }
+
+ result.sort(function(a, b) {
+ return a - b;
+ }).pop();
+ return result;
+ },
+
+ log10: Math.log10 || function(x) {
+ var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10.
+ // Check for whole powers of 10,
+ // which due to floating point rounding error should be corrected.
+ var powerOf10 = Math.round(exponent);
+ var isPowerOf10 = x === Math.pow(10, powerOf10);
+
+ return isPowerOf10 ? powerOf10 : exponent;
+ }
+};
+
+var helpers_math = exports$2;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.helpers.math.log10 instead.
+ * @namespace Chart.helpers.log10
+ * @deprecated since version 2.9.0
+ * @todo remove at version 3
+ * @private
+ */
+helpers_core.log10 = exports$2.log10;
+
+var getRtlAdapter = function(rectX, width) {
+ return {
+ x: function(x) {
+ return rectX + rectX + width - x;
+ },
+ setWidth: function(w) {
+ width = w;
+ },
+ textAlign: function(align) {
+ if (align === 'center') {
+ return align;
+ }
+ return align === 'right' ? 'left' : 'right';
+ },
+ xPlus: function(x, value) {
+ return x - value;
+ },
+ leftForLtr: function(x, itemWidth) {
+ return x - itemWidth;
+ },
+ };
+};
+
+var getLtrAdapter = function() {
+ return {
+ x: function(x) {
+ return x;
+ },
+ setWidth: function(w) { // eslint-disable-line no-unused-vars
+ },
+ textAlign: function(align) {
+ return align;
+ },
+ xPlus: function(x, value) {
+ return x + value;
+ },
+ leftForLtr: function(x, _itemWidth) { // eslint-disable-line no-unused-vars
+ return x;
+ },
+ };
+};
+
+var getAdapter = function(rtl, rectX, width) {
+ return rtl ? getRtlAdapter(rectX, width) : getLtrAdapter();
+};
+
+var overrideTextDirection = function(ctx, direction) {
+ var style, original;
+ if (direction === 'ltr' || direction === 'rtl') {
+ style = ctx.canvas.style;
+ original = [
+ style.getPropertyValue('direction'),
+ style.getPropertyPriority('direction'),
+ ];
+
+ style.setProperty('direction', direction, 'important');
+ ctx.prevTextDirection = original;
+ }
+};
+
+var restoreTextDirection = function(ctx) {
+ var original = ctx.prevTextDirection;
+ if (original !== undefined) {
+ delete ctx.prevTextDirection;
+ ctx.canvas.style.setProperty('direction', original[0], original[1]);
+ }
+};
+
+var helpers_rtl = {
+ getRtlAdapter: getAdapter,
+ overrideTextDirection: overrideTextDirection,
+ restoreTextDirection: restoreTextDirection,
+};
+
+var helpers$1 = helpers_core;
+var easing = helpers_easing;
+var canvas = helpers_canvas;
+var options = helpers_options;
+var math = helpers_math;
+var rtl = helpers_rtl;
+helpers$1.easing = easing;
+helpers$1.canvas = canvas;
+helpers$1.options = options;
+helpers$1.math = math;
+helpers$1.rtl = rtl;
+
+function interpolate(start, view, model, ease) {
+ var keys = Object.keys(model);
+ var i, ilen, key, actual, origin, target, type, c0, c1;
+
+ for (i = 0, ilen = keys.length; i < ilen; ++i) {
+ key = keys[i];
+
+ target = model[key];
+
+ // if a value is added to the model after pivot() has been called, the view
+ // doesn't contain it, so let's initialize the view to the target value.
+ if (!view.hasOwnProperty(key)) {
+ view[key] = target;
+ }
+
+ actual = view[key];
+
+ if (actual === target || key[0] === '_') {
+ continue;
+ }
+
+ if (!start.hasOwnProperty(key)) {
+ start[key] = actual;
+ }
+
+ origin = start[key];
+
+ type = typeof target;
+
+ if (type === typeof origin) {
+ if (type === 'string') {
+ c0 = chartjsColor(origin);
+ if (c0.valid) {
+ c1 = chartjsColor(target);
+ if (c1.valid) {
+ view[key] = c1.mix(c0, ease).rgbString();
+ continue;
+ }
+ }
+ } else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) {
+ view[key] = origin + (target - origin) * ease;
+ continue;
+ }
+ }
+
+ view[key] = target;
+ }
+}
+
+var Element = function(configuration) {
+ helpers$1.extend(this, configuration);
+ this.initialize.apply(this, arguments);
+};
+
+helpers$1.extend(Element.prototype, {
+ _type: undefined,
+
+ initialize: function() {
+ this.hidden = false;
+ },
+
+ pivot: function() {
+ var me = this;
+ if (!me._view) {
+ me._view = helpers$1.extend({}, me._model);
+ }
+ me._start = {};
+ return me;
+ },
+
+ transition: function(ease) {
+ var me = this;
+ var model = me._model;
+ var start = me._start;
+ var view = me._view;
+
+ // No animation -> No Transition
+ if (!model || ease === 1) {
+ me._view = helpers$1.extend({}, model);
+ me._start = null;
+ return me;
+ }
+
+ if (!view) {
+ view = me._view = {};
+ }
+
+ if (!start) {
+ start = me._start = {};
+ }
+
+ interpolate(start, view, model, ease);
+
+ return me;
+ },
+
+ tooltipPosition: function() {
+ return {
+ x: this._model.x,
+ y: this._model.y
+ };
+ },
+
+ hasValue: function() {
+ return helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y);
+ }
+});
+
+Element.extend = helpers$1.inherits;
+
+var core_element = Element;
+
+var exports$3 = core_element.extend({
+ chart: null, // the animation associated chart instance
+ currentStep: 0, // the current animation step
+ numSteps: 60, // default number of steps
+ easing: '', // the easing to use for this animation
+ render: null, // render function used by the animation service
+
+ onAnimationProgress: null, // user specified callback to fire on each step of the animation
+ onAnimationComplete: null, // user specified callback to fire when the animation finishes
+});
+
+var core_animation = exports$3;
+
+// DEPRECATIONS
+
+/**
+ * Provided for backward compatibility, use Chart.Animation instead
+ * @prop Chart.Animation#animationObject
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ */
+Object.defineProperty(exports$3.prototype, 'animationObject', {
+ get: function() {
+ return this;
+ }
+});
+
+/**
+ * Provided for backward compatibility, use Chart.Animation#chart instead
+ * @prop Chart.Animation#chartInstance
+ * @deprecated since version 2.6.0
+ * @todo remove at version 3
+ */
+Object.defineProperty(exports$3.prototype, 'chartInstance', {
+ get: function() {
+ return this.chart;
+ },
+ set: function(value) {
+ this.chart = value;
+ }
+});
+
+core_defaults._set('global', {
+ animation: {
+ duration: 1000,
+ easing: 'easeOutQuart',
+ onProgress: helpers$1.noop,
+ onComplete: helpers$1.noop
+ }
+});
+
+var core_animations = {
+ animations: [],
+ request: null,
+
+ /**
+ * @param {Chart} chart - The chart to animate.
+ * @param {Chart.Animation} animation - The animation that we will animate.
+ * @param {number} duration - The animation duration in ms.
+ * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions
+ */
+ addAnimation: function(chart, animation, duration, lazy) {
+ var animations = this.animations;
+ var i, ilen;
+
+ animation.chart = chart;
+ animation.startTime = Date.now();
+ animation.duration = duration;
+
+ if (!lazy) {
+ chart.animating = true;
+ }
+
+ for (i = 0, ilen = animations.length; i < ilen; ++i) {
+ if (animations[i].chart === chart) {
+ animations[i] = animation;
+ return;
+ }
+ }
+
+ animations.push(animation);
+
+ // If there are no animations queued, manually kickstart a digest, for lack of a better word
+ if (animations.length === 1) {
+ this.requestAnimationFrame();
+ }
+ },
+
+ cancelAnimation: function(chart) {
+ var index = helpers$1.findIndex(this.animations, function(animation) {
+ return animation.chart === chart;
+ });
+
+ if (index !== -1) {
+ this.animations.splice(index, 1);
+ chart.animating = false;
+ }
+ },
+
+ requestAnimationFrame: function() {
+ var me = this;
+ if (me.request === null) {
+ // Skip animation frame requests until the active one is executed.
+ // This can happen when processing mouse events, e.g. 'mousemove'
+ // and 'mouseout' events will trigger multiple renders.
+ me.request = helpers$1.requestAnimFrame.call(window, function() {
+ me.request = null;
+ me.startDigest();
+ });
+ }
+ },
+
+ /**
+ * @private
+ */
+ startDigest: function() {
+ var me = this;
+
+ me.advance();
+
+ // Do we have more stuff to animate?
+ if (me.animations.length > 0) {
+ me.requestAnimationFrame();
+ }
+ },
+
+ /**
+ * @private
+ */
+ advance: function() {
+ var animations = this.animations;
+ var animation, chart, numSteps, nextStep;
+ var i = 0;
+
+ // 1 animation per chart, so we are looping charts here
+ while (i < animations.length) {
+ animation = animations[i];
+ chart = animation.chart;
+ numSteps = animation.numSteps;
+
+ // Make sure that currentStep starts at 1
+ // https://github.com/chartjs/Chart.js/issues/6104
+ nextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1;
+ animation.currentStep = Math.min(nextStep, numSteps);
+
+ helpers$1.callback(animation.render, [chart, animation], chart);
+ helpers$1.callback(animation.onAnimationProgress, [animation], chart);
+
+ if (animation.currentStep >= numSteps) {
+ helpers$1.callback(animation.onAnimationComplete, [animation], chart);
+ chart.animating = false;
+ animations.splice(i, 1);
+ } else {
+ ++i;
+ }
+ }
+ }
+};
+
+var resolve = helpers$1.options.resolve;
+
+var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];
+
+/**
+ * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',
+ * 'unshift') and notify the listener AFTER the array has been altered. Listeners are
+ * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.
+ */
+function listenArrayEvents(array, listener) {
+ if (array._chartjs) {
+ array._chartjs.listeners.push(listener);
+ return;
+ }
+
+ Object.defineProperty(array, '_chartjs', {
+ configurable: true,
+ enumerable: false,
+ value: {
+ listeners: [listener]
+ }
+ });
+
+ arrayEvents.forEach(function(key) {
+ var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);
+ var base = array[key];
+
+ Object.defineProperty(array, key, {
+ configurable: true,
+ enumerable: false,
+ value: function() {
+ var args = Array.prototype.slice.call(arguments);
+ var res = base.apply(this, args);
+
+ helpers$1.each(array._chartjs.listeners, function(object) {
+ if (typeof object[method] === 'function') {
+ object[method].apply(object, args);
+ }
+ });
+
+ return res;
+ }
+ });
+ });
+}
+
+/**
+ * Removes the given array event listener and cleanup extra attached properties (such as
+ * the _chartjs stub and overridden methods) if array doesn't have any more listeners.
+ */
+function unlistenArrayEvents(array, listener) {
+ var stub = array._chartjs;
+ if (!stub) {
+ return;
+ }
+
+ var listeners = stub.listeners;
+ var index = listeners.indexOf(listener);
+ if (index !== -1) {
+ listeners.splice(index, 1);
+ }
+
+ if (listeners.length > 0) {
+ return;
+ }
+
+ arrayEvents.forEach(function(key) {
+ delete array[key];
+ });
+
+ delete array._chartjs;
+}
+
+// Base class for all dataset controllers (line, bar, etc)
+var DatasetController = function(chart, datasetIndex) {
+ this.initialize(chart, datasetIndex);
+};
+
+helpers$1.extend(DatasetController.prototype, {
+
+ /**
+ * Element type used to generate a meta dataset (e.g. Chart.element.Line).
+ * @type {Chart.core.element}
+ */
+ datasetElementType: null,
+
+ /**
+ * Element type used to generate a meta data (e.g. Chart.element.Point).
+ * @type {Chart.core.element}
+ */
+ dataElementType: null,
+
+ /**
+ * Dataset element option keys to be resolved in _resolveDatasetElementOptions.
+ * A derived controller may override this to resolve controller-specific options.
+ * The keys defined here are for backward compatibility for legend styles.
+ * @private
+ */
+ _datasetElementOptions: [
+ 'backgroundColor',
+ 'borderCapStyle',
+ 'borderColor',
+ 'borderDash',
+ 'borderDashOffset',
+ 'borderJoinStyle',
+ 'borderWidth'
+ ],
+
+ /**
+ * Data element option keys to be resolved in _resolveDataElementOptions.
+ * A derived controller may override this to resolve controller-specific options.
+ * The keys defined here are for backward compatibility for legend styles.
+ * @private
+ */
+ _dataElementOptions: [
+ 'backgroundColor',
+ 'borderColor',
+ 'borderWidth',
+ 'pointStyle'
+ ],
+
+ initialize: function(chart, datasetIndex) {
+ var me = this;
+ me.chart = chart;
+ me.index = datasetIndex;
+ me.linkScales();
+ me.addElements();
+ me._type = me.getMeta().type;
+ },
+
+ updateIndex: function(datasetIndex) {
+ this.index = datasetIndex;
+ },
+
+ linkScales: function() {
+ var me = this;
+ var meta = me.getMeta();
+ var chart = me.chart;
+ var scales = chart.scales;
+ var dataset = me.getDataset();
+ var scalesOpts = chart.options.scales;
+
+ if (meta.xAxisID === null || !(meta.xAxisID in scales) || dataset.xAxisID) {
+ meta.xAxisID = dataset.xAxisID || scalesOpts.xAxes[0].id;
+ }
+ if (meta.yAxisID === null || !(meta.yAxisID in scales) || dataset.yAxisID) {
+ meta.yAxisID = dataset.yAxisID || scalesOpts.yAxes[0].id;
+ }
+ },
+
+ getDataset: function() {
+ return this.chart.data.datasets[this.index];
+ },
+
+ getMeta: function() {
+ return this.chart.getDatasetMeta(this.index);
+ },
+
+ getScaleForId: function(scaleID) {
+ return this.chart.scales[scaleID];
+ },
+
+ /**
+ * @private
+ */
+ _getValueScaleId: function() {
+ return this.getMeta().yAxisID;
+ },
+
+ /**
+ * @private
+ */
+ _getIndexScaleId: function() {
+ return this.getMeta().xAxisID;
+ },
+
+ /**
+ * @private
+ */
+ _getValueScale: function() {
+ return this.getScaleForId(this._getValueScaleId());
+ },
+
+ /**
+ * @private
+ */
+ _getIndexScale: function() {
+ return this.getScaleForId(this._getIndexScaleId());
+ },
+
+ reset: function() {
+ this._update(true);
+ },
+
+ /**
+ * @private
+ */
+ destroy: function() {
+ if (this._data) {
+ unlistenArrayEvents(this._data, this);
+ }
+ },
+
+ createMetaDataset: function() {
+ var me = this;
+ var type = me.datasetElementType;
+ return type && new type({
+ _chart: me.chart,
+ _datasetIndex: me.index
+ });
+ },
+
+ createMetaData: function(index) {
+ var me = this;
+ var type = me.dataElementType;
+ return type && new type({
+ _chart: me.chart,
+ _datasetIndex: me.index,
+ _index: index
+ });
+ },
+
+ addElements: function() {
+ var me = this;
+ var meta = me.getMeta();
+ var data = me.getDataset().data || [];
+ var metaData = meta.data;
+ var i, ilen;
+
+ for (i = 0, ilen = data.length; i < ilen; ++i) {
+ metaData[i] = metaData[i] || me.createMetaData(i);
+ }
+
+ meta.dataset = meta.dataset || me.createMetaDataset();
+ },
+
+ addElementAndReset: function(index) {
+ var element = this.createMetaData(index);
+ this.getMeta().data.splice(index, 0, element);
+ this.updateElement(element, index, true);
+ },
+
+ buildOrUpdateElements: function() {
+ var me = this;
+ var dataset = me.getDataset();
+ var data = dataset.data || (dataset.data = []);
+
+ // In order to correctly handle data addition/deletion animation (an thus simulate
+ // real-time charts), we need to monitor these data modifications and synchronize
+ // the internal meta data accordingly.
+ if (me._data !== data) {
+ if (me._data) {
+ // This case happens when the user replaced the data array instance.
+ unlistenArrayEvents(me._data, me);
+ }
+
+ if (data && Object.isExtensible(data)) {
+ listenArrayEvents(data, me);
+ }
+ me._data = data;
+ }
+
+ // Re-sync meta data in case the user replaced the data array or if we missed
+ // any updates and so make sure that we handle number of datapoints changing.
+ me.resyncElements();
+ },
+
+ /**
+ * Returns the merged user-supplied and default dataset-level options
+ * @private
+ */
+ _configure: function() {
+ var me = this;
+ me._config = helpers$1.merge({}, [
+ me.chart.options.datasets[me._type],
+ me.getDataset(),
+ ], {
+ merger: function(key, target, source) {
+ if (key !== '_meta' && key !== 'data') {
+ helpers$1._merger(key, target, source);
+ }
+ }
+ });
+ },
+
+ _update: function(reset) {
+ var me = this;
+ me._configure();
+ me._cachedDataOpts = null;
+ me.update(reset);
+ },
+
+ update: helpers$1.noop,
+
+ transition: function(easingValue) {
+ var meta = this.getMeta();
+ var elements = meta.data || [];
+ var ilen = elements.length;
+ var i = 0;
+
+ for (; i < ilen; ++i) {
+ elements[i].transition(easingValue);
+ }
+
+ if (meta.dataset) {
+ meta.dataset.transition(easingValue);
+ }
+ },
+
+ draw: function() {
+ var meta = this.getMeta();
+ var elements = meta.data || [];
+ var ilen = elements.length;
+ var i = 0;
+
+ if (meta.dataset) {
+ meta.dataset.draw();
+ }
+
+ for (; i < ilen; ++i) {
+ elements[i].draw();
+ }
+ },
+
+ /**
+ * Returns a set of predefined style properties that should be used to represent the dataset
+ * or the data if the index is specified
+ * @param {number} index - data index
+ * @return {IStyleInterface} style object
+ */
+ getStyle: function(index) {
+ var me = this;
+ var meta = me.getMeta();
+ var dataset = meta.dataset;
+ var style;
+
+ me._configure();
+ if (dataset && index === undefined) {
+ style = me._resolveDatasetElementOptions(dataset || {});
+ } else {
+ index = index || 0;
+ style = me._resolveDataElementOptions(meta.data[index] || {}, index);
+ }
+
+ if (style.fill === false || style.fill === null) {
+ style.backgroundColor = style.borderColor;
+ }
+
+ return style;
+ },
+
+ /**
+ * @private
+ */
+ _resolveDatasetElementOptions: function(element, hover) {
+ var me = this;
+ var chart = me.chart;
+ var datasetOpts = me._config;
+ var custom = element.custom || {};
+ var options = chart.options.elements[me.datasetElementType.prototype._type] || {};
+ var elementOptions = me._datasetElementOptions;
+ var values = {};
+ var i, ilen, key, readKey;
+
+ // Scriptable options
+ var context = {
+ chart: chart,
+ dataset: me.getDataset(),
+ datasetIndex: me.index,
+ hover: hover
+ };
+
+ for (i = 0, ilen = elementOptions.length; i < ilen; ++i) {
+ key = elementOptions[i];
+ readKey = hover ? 'hover' + key.charAt(0).toUpperCase() + key.slice(1) : key;
+ values[key] = resolve([
+ custom[readKey],
+ datasetOpts[readKey],
+ options[readKey]
+ ], context);
+ }
+
+ return values;
+ },
+
+ /**
+ * @private
+ */
+ _resolveDataElementOptions: function(element, index) {
+ var me = this;
+ var custom = element && element.custom;
+ var cached = me._cachedDataOpts;
+ if (cached && !custom) {
+ return cached;
+ }
+ var chart = me.chart;
+ var datasetOpts = me._config;
+ var options = chart.options.elements[me.dataElementType.prototype._type] || {};
+ var elementOptions = me._dataElementOptions;
+ var values = {};
+
+ // Scriptable options
+ var context = {
+ chart: chart,
+ dataIndex: index,
+ dataset: me.getDataset(),
+ datasetIndex: me.index
+ };
+
+ // `resolve` sets cacheable to `false` if any option is indexed or scripted
+ var info = {cacheable: !custom};
+
+ var keys, i, ilen, key;
+
+ custom = custom || {};
+
+ if (helpers$1.isArray(elementOptions)) {
+ for (i = 0, ilen = elementOptions.length; i < ilen; ++i) {
+ key = elementOptions[i];
+ values[key] = resolve([
+ custom[key],
+ datasetOpts[key],
+ options[key]
+ ], context, index, info);
+ }
+ } else {
+ keys = Object.keys(elementOptions);
+ for (i = 0, ilen = keys.length; i < ilen; ++i) {
+ key = keys[i];
+ values[key] = resolve([
+ custom[key],
+ datasetOpts[elementOptions[key]],
+ datasetOpts[key],
+ options[key]
+ ], context, index, info);
+ }
+ }
+
+ if (info.cacheable) {
+ me._cachedDataOpts = Object.freeze(values);
+ }
+
+ return values;
+ },
+
+ removeHoverStyle: function(element) {
+ helpers$1.merge(element._model, element.$previousStyle || {});
+ delete element.$previousStyle;
+ },
+
+ setHoverStyle: function(element) {
+ var dataset = this.chart.data.datasets[element._datasetIndex];
+ var index = element._index;
+ var custom = element.custom || {};
+ var model = element._model;
+ var getHoverColor = helpers$1.getHoverColor;
+
+ element.$previousStyle = {
+ backgroundColor: model.backgroundColor,
+ borderColor: model.borderColor,
+ borderWidth: model.borderWidth
+ };
+
+ model.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index);
+ model.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index);
+ model.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index);
+ },
+
+ /**
+ * @private
+ */
+ _removeDatasetHoverStyle: function() {
+ var element = this.getMeta().dataset;
+
+ if (element) {
+ this.removeHoverStyle(element);
+ }
+ },
+
+ /**
+ * @private
+ */
+ _setDatasetHoverStyle: function() {
+ var element = this.getMeta().dataset;
+ var prev = {};
+ var i, ilen, key, keys, hoverOptions, model;
+
+ if (!element) {
+ return;
+ }
+
+ model = element._model;
+ hoverOptions = this._resolveDatasetElementOptions(element, true);
+
+ keys = Object.keys(hoverOptions);
+ for (i = 0, ilen = keys.length; i < ilen; ++i) {
+ key = keys[i];
+ prev[key] = model[key];
+ model[key] = hoverOptions[key];
+ }
+
+ element.$previousStyle = prev;
+ },
+
+ /**
+ * @private
+ */
+ resyncElements: function() {
+ var me = this;
+ var meta = me.getMeta();
+ var data = me.getDataset().data;
+ var numMeta = meta.data.length;
+ var numData = data.length;
+
+ if (numData < numMeta) {
+ meta.data.splice(numData, numMeta - numData);
+ } else if (numData > numMeta) {
+ me.insertElements(numMeta, numData - numMeta);
+ }
+ },
+
+ /**
+ * @private
+ */
+ insertElements: function(start, count) {
+ for (var i = 0; i < count; ++i) {
+ this.addElementAndReset(start + i);
+ }
+ },
+
+ /**
+ * @private
+ */
+ onDataPush: function() {
+ var count = arguments.length;
+ this.insertElements(this.getDataset().data.length - count, count);
+ },
+
+ /**
+ * @private
+ */
+ onDataPop: function() {
+ this.getMeta().data.pop();
+ },
+
+ /**
+ * @private
+ */
+ onDataShift: function() {
+ this.getMeta().data.shift();
+ },
+
+ /**
+ * @private
+ */
+ onDataSplice: function(start, count) {
+ this.getMeta().data.splice(start, count);
+ this.insertElements(start, arguments.length - 2);
+ },
+
+ /**
+ * @private
+ */
+ onDataUnshift: function() {
+ this.insertElements(0, arguments.length);
+ }
+});
+
+DatasetController.extend = helpers$1.inherits;
+
+var core_datasetController = DatasetController;
+
+var TAU = Math.PI * 2;
+
+core_defaults._set('global', {
+ elements: {
+ arc: {
+ backgroundColor: core_defaults.global.defaultColor,
+ borderColor: '#fff',
+ borderWidth: 2,
+ borderAlign: 'center'
+ }
+ }
+});
+
+function clipArc(ctx, arc) {
+ var startAngle = arc.startAngle;
+ var endAngle = arc.endAngle;
+ var pixelMargin = arc.pixelMargin;
+ var angleMargin = pixelMargin / arc.outerRadius;
+ var x = arc.x;
+ var y = arc.y;
+
+ // Draw an inner border by cliping the arc and drawing a double-width border
+ // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders
+ ctx.beginPath();
+ ctx.arc(x, y, arc.outerRadius, startAngle - angleMargin, endAngle + angleMargin);
+ if (arc.innerRadius > pixelMargin) {
+ angleMargin = pixelMargin / arc.innerRadius;
+ ctx.arc(x, y, arc.innerRadius - pixelMargin, endAngle + angleMargin, startAngle - angleMargin, true);
+ } else {
+ ctx.arc(x, y, pixelMargin, endAngle + Math.PI / 2, startAngle - Math.PI / 2);
+ }
+ ctx.closePath();
+ ctx.clip();
+}
+
+function drawFullCircleBorders(ctx, vm, arc, inner) {
+ var endAngle = arc.endAngle;
+ var i;
+
+ if (inner) {
+ arc.endAngle = arc.startAngle + TAU;
+ clipArc(ctx, arc);
+ arc.endAngle = endAngle;
+ if (arc.endAngle === arc.startAngle && arc.fullCircles) {
+ arc.endAngle += TAU;
+ arc.fullCircles--;
+ }
+ }
+
+ ctx.beginPath();
+ ctx.arc(arc.x, arc.y, arc.innerRadius, arc.startAngle + TAU, arc.startAngle, true);
+ for (i = 0; i < arc.fullCircles; ++i) {
+ ctx.stroke();
+ }
+
+ ctx.beginPath();
+ ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.startAngle + TAU);
+ for (i = 0; i < arc.fullCircles; ++i) {
+ ctx.stroke();
+ }
+}
+
+function drawBorder(ctx, vm, arc) {
+ var inner = vm.borderAlign === 'inner';
+
+ if (inner) {
+ ctx.lineWidth = vm.borderWidth * 2;
+ ctx.lineJoin = 'round';
+ } else {
+ ctx.lineWidth = vm.borderWidth;
+ ctx.lineJoin = 'bevel';
+ }
+
+ if (arc.fullCircles) {
+ drawFullCircleBorders(ctx, vm, arc, inner);
+ }
+
+ if (inner) {
+ clipArc(ctx, arc);
+ }
+
+ ctx.beginPath();
+ ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.endAngle);
+ ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
+ ctx.closePath();
+ ctx.stroke();
+}
+
+var element_arc = core_element.extend({
+ _type: 'arc',
+
+ inLabelRange: function(mouseX) {
+ var vm = this._view;
+
+ if (vm) {
+ return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));
+ }
+ return false;
+ },
+
+ inRange: function(chartX, chartY) {
+ var vm = this._view;
+
+ if (vm) {
+ var pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY});
+ var angle = pointRelativePosition.angle;
+ var distance = pointRelativePosition.distance;
+
+ // Sanitise angle range
+ var startAngle = vm.startAngle;
+ var endAngle = vm.endAngle;
+ while (endAngle < startAngle) {
+ endAngle += TAU;
+ }
+ while (angle > endAngle) {
+ angle -= TAU;
+ }
+ while (angle < startAngle) {
+ angle += TAU;
+ }
+
+ // Check if within the range of the open/close angle
+ var betweenAngles = (angle >= startAngle && angle <= endAngle);
+ var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);
+
+ return (betweenAngles && withinRadius);
+ }
+ return false;
+ },
+
+ getCenterPoint: function() {
+ var vm = this._view;
+ var halfAngle = (vm.startAngle + vm.endAngle) / 2;
+ var halfRadius = (vm.innerRadius + vm.outerRadius) / 2;
+ return {
+ x: vm.x + Math.cos(halfAngle) * halfRadius,
+ y: vm.y + Math.sin(halfAngle) * halfRadius
+ };
+ },
+
+ getArea: function() {
+ var vm = this._view;
+ return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));
+ },
+
+ tooltipPosition: function() {
+ var vm = this._view;
+ var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);
+ var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;
+
+ return {
+ x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),
+ y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)
+ };
+ },
+
+ draw: function() {
+ var ctx = this._chart.ctx;
+ var vm = this._view;
+ var pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0;
+ var arc = {
+ x: vm.x,
+ y: vm.y,
+ innerRadius: vm.innerRadius,
+ outerRadius: Math.max(vm.outerRadius - pixelMargin, 0),
+ pixelMargin: pixelMargin,
+ startAngle: vm.startAngle,
+ endAngle: vm.endAngle,
+ fullCircles: Math.floor(vm.circumference / TAU)
+ };
+ var i;
+
+ ctx.save();
+
+ ctx.fillStyle = vm.backgroundColor;
+ ctx.strokeStyle = vm.borderColor;
+
+ if (arc.fullCircles) {
+ arc.endAngle = arc.startAngle + TAU;
+ ctx.beginPath();
+ ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle);
+ ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
+ ctx.closePath();
+ for (i = 0; i < arc.fullCircles; ++i) {
+ ctx.fill();
+ }
+ arc.endAngle = arc.startAngle + vm.circumference % TAU;
+ }
+
+ ctx.beginPath();
+ ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle);
+ ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
+ ctx.closePath();
+ ctx.fill();
+
+ if (vm.borderWidth) {
+ drawBorder(ctx, vm, arc);
+ }
+
+ ctx.restore();
+ }
+});
+
+var valueOrDefault$1 = helpers$1.valueOrDefault;
+
+var defaultColor = core_defaults.global.defaultColor;
+
+core_defaults._set('global', {
+ elements: {
+ line: {
+ tension: 0.4,
+ backgroundColor: defaultColor,
+ borderWidth: 3,
+ borderColor: defaultColor,
+ borderCapStyle: 'butt',
+ borderDash: [],
+ borderDashOffset: 0.0,
+ borderJoinStyle: 'miter',
+ capBezierPoints: true,
+ fill: true, // do we fill in the area between the line and its base axis
+ }
+ }
+});
+
+var element_line = core_element.extend({
+ _type: 'line',
+
+ draw: function() {
+ var me = this;
+ var vm = me._view;
+ var ctx = me._chart.ctx;
+ var spanGaps = vm.spanGaps;
+ var points = me._children.slice(); // clone array
+ var globalDefaults = core_defaults.global;
+ var globalOptionLineElements = globalDefaults.elements.line;
+ var lastDrawnIndex = -1;
+ var closePath = me._loop;
+ var index, previous, currentVM;
+
+ if (!points.length) {
+ return;
+ }
+
+ if (me._loop) {
+ for (index = 0; index < points.length; ++index) {
+ previous = helpers$1.previousItem(points, index);
+ // If the line has an open path, shift the point array
+ if (!points[index]._view.skip && previous._view.skip) {
+ points = points.slice(index).concat(points.slice(0, index));
+ closePath = spanGaps;
+ break;
+ }
+ }
+ // If the line has a close path, add the first point again
+ if (closePath) {
+ points.push(points[0]);
+ }
+ }
+
+ ctx.save();
+
+ // Stroke Line Options
+ ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;
+
+ // IE 9 and 10 do not support line dash
+ if (ctx.setLineDash) {
+ ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);
+ }
+
+ ctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset);
+ ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;
+ ctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth);
+ ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;
+
+ // Stroke Line
+ ctx.beginPath();
+
+ // First point moves to it's starting position no matter what
+ currentVM = points[0]._view;
+ if (!currentVM.skip) {
+ ctx.moveTo(currentVM.x, currentVM.y);
+ lastDrawnIndex = 0;
+ }
+
+ for (index = 1; index < points.length; ++index) {
+ currentVM = points[index]._view;
+ previous = lastDrawnIndex === -1 ? helpers$1.previousItem(points, index) : points[lastDrawnIndex];
+
+ if (!currentVM.skip) {
+ if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {
+ // There was a gap and this is the first point after the gap
+ ctx.moveTo(currentVM.x, currentVM.y);
+ } else {
+ // Line to next point
+ helpers$1.canvas.lineTo(ctx, previous._view, currentVM);
+ }
+ lastDrawnIndex = index;
+ }
+ }
+
+ if (closePath) {
+ ctx.closePath();
+ }
+
+ ctx.stroke();
+ ctx.restore();
+ }
+});
+
+var valueOrDefault$2 = helpers$1.valueOrDefault;
+
+var defaultColor$1 = core_defaults.global.defaultColor;
+
+core_defaults._set('global', {
+ elements: {
+ point: {
+ radius: 3,
+ pointStyle: 'circle',
+ backgroundColor: defaultColor$1,
+ borderColor: defaultColor$1,
+ borderWidth: 1,
+ // Hover
+ hitRadius: 1,
+ hoverRadius: 4,
+ hoverBorderWidth: 1
+ }
+ }
+});
+
+function xRange(mouseX) {
+ var vm = this._view;
+ return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false;
+}
+
+function yRange(mouseY) {
+ var vm = this._view;
+ return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false;
+}
+
+var element_point = core_element.extend({
+ _type: 'point',
+
+ inRange: function(mouseX, mouseY) {
+ var vm = this._view;
+ return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;
+ },
+
+ inLabelRange: xRange,
+ inXRange: xRange,
+ inYRange: yRange,
+
+ getCenterPoint: function() {
+ var vm = this._view;
+ return {
+ x: vm.x,
+ y: vm.y
+ };
+ },
+
+ getArea: function() {
+ return Math.PI * Math.pow(this._view.radius, 2);
+ },
+
+ tooltipPosition: function() {
+ var vm = this._view;
+ return {
+ x: vm.x,
+ y: vm.y,
+ padding: vm.radius + vm.borderWidth
+ };
+ },
+
+ draw: function(chartArea) {
+ var vm = this._view;
+ var ctx = this._chart.ctx;
+ var pointStyle = vm.pointStyle;
+ var rotation = vm.rotation;
+ var radius = vm.radius;
+ var x = vm.x;
+ var y = vm.y;
+ var globalDefaults = core_defaults.global;
+ var defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow
+
+ if (vm.skip) {
+ return;
+ }
+
+ // Clipping for Points.
+ if (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) {
+ ctx.strokeStyle = vm.borderColor || defaultColor;
+ ctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth);
+ ctx.fillStyle = vm.backgroundColor || defaultColor;
+ helpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation);
+ }
+ }
+});
+
+var defaultColor$2 = core_defaults.global.defaultColor;
+
+core_defaults._set('global', {
+ elements: {
+ rectangle: {
+ backgroundColor: defaultColor$2,
+ borderColor: defaultColor$2,
+ borderSkipped: 'bottom',
+ borderWidth: 0
+ }
+ }
+});
+
+function isVertical(vm) {
+ return vm && vm.width !== undefined;
+}
+
+/**
+ * Helper function to get the bounds of the bar regardless of the orientation
+ * @param bar {Chart.Element.Rectangle} the bar
+ * @return {Bounds} bounds of the bar
+ * @private
+ */
+function getBarBounds(vm) {
+ var x1, x2, y1, y2, half;
+
+ if (isVertical(vm)) {
+ half = vm.width / 2;
+ x1 = vm.x - half;
+ x2 = vm.x + half;
+ y1 = Math.min(vm.y, vm.base);
+ y2 = Math.max(vm.y, vm.base);
+ } else {
+ half = vm.height / 2;
+ x1 = Math.min(vm.x, vm.base);
+ x2 = Math.max(vm.x, vm.base);
+ y1 = vm.y - half;
+ y2 = vm.y + half;
+ }
+
+ return {
+ left: x1,
+ top: y1,
+ right: x2,
+ bottom: y2
+ };
+}
+
+function swap(orig, v1, v2) {
+ return orig === v1 ? v2 : orig === v2 ? v1 : orig;
+}
+
+function parseBorderSkipped(vm) {
+ var edge = vm.borderSkipped;
+ var res = {};
+
+ if (!edge) {
+ return res;
+ }
+
+ if (vm.horizontal) {
+ if (vm.base > vm.x) {
+ edge = swap(edge, 'left', 'right');
+ }
+ } else if (vm.base < vm.y) {
+ edge = swap(edge, 'bottom', 'top');
+ }
+
+ res[edge] = true;
+ return res;
+}
+
+function parseBorderWidth(vm, maxW, maxH) {
+ var value = vm.borderWidth;
+ var skip = parseBorderSkipped(vm);
+ var t, r, b, l;
+
+ if (helpers$1.isObject(value)) {
+ t = +value.top || 0;
+ r = +value.right || 0;
+ b = +value.bottom || 0;
+ l = +value.left || 0;
+ } else {
+ t = r = b = l = +value || 0;
+ }
+
+ return {
+ t: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t,
+ r: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r,
+ b: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b,
+ l: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l
+ };
+}
+
+function boundingRects(vm) {
+ var bounds = getBarBounds(vm);
+ var width = bounds.right - bounds.left;
+ var height = bounds.bottom - bounds.top;
+ var border = parseBorderWidth(vm, width / 2, height / 2);
+
+ return {
+ outer: {
+ x: bounds.left,
+ y: bounds.top,
+ w: width,
+ h: height
+ },
+ inner: {
+ x: bounds.left + border.l,
+ y: bounds.top + border.t,
+ w: width - border.l - border.r,
+ h: height - border.t - border.b
+ }
+ };
+}
+
+function inRange(vm, x, y) {
+ var skipX = x === null;
+ var skipY = y === null;
+ var bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm);
+
+ return bounds
+ && (skipX || x >= bounds.left && x <= bounds.right)
+ && (skipY || y >= bounds.top && y <= bounds.bottom);
+}
+
+var element_rectangle = core_element.extend({
+ _type: 'rectangle',
+
+ draw: function() {
+ var ctx = this._chart.ctx;
+ var vm = this._view;
+ var rects = boundingRects(vm);
+ var outer = rects.outer;
+ var inner = rects.inner;
+
+ ctx.fillStyle = vm.backgroundColor;
+ ctx.fillRect(outer.x, outer.y, outer.w, outer.h);
+
+ if (outer.w === inner.w && outer.h === inner.h) {
+ return;
+ }
+
+ ctx.save();
+ ctx.beginPath();
+ ctx.rect(outer.x, outer.y, outer.w, outer.h);
+ ctx.clip();
+ ctx.fillStyle = vm.borderColor;
+ ctx.rect(inner.x, inner.y, inner.w, inner.h);
+ ctx.fill('evenodd');
+ ctx.restore();
+ },
+
+ height: function() {
+ var vm = this._view;
+ return vm.base - vm.y;
+ },
+
+ inRange: function(mouseX, mouseY) {
+ return inRange(this._view, mouseX, mouseY);
+ },
+
+ inLabelRange: function(mouseX, mouseY) {
+ var vm = this._view;
+ return isVertical(vm)
+ ? inRange(vm, mouseX, null)
+ : inRange(vm, null, mouseY);
+ },
+
+ inXRange: function(mouseX) {
+ return inRange(this._view, mouseX, null);
+ },
+
+ inYRange: function(mouseY) {
+ return inRange(this._view, null, mouseY);
+ },
+
+ getCenterPoint: function() {
+ var vm = this._view;
+ var x, y;
+ if (isVertical(vm)) {
+ x = vm.x;
+ y = (vm.y + vm.base) / 2;
+ } else {
+ x = (vm.x + vm.base) / 2;
+ y = vm.y;
+ }
+
+ return {x: x, y: y};
+ },
+
+ getArea: function() {
+ var vm = this._view;
+
+ return isVertical(vm)
+ ? vm.width * Math.abs(vm.y - vm.base)
+ : vm.height * Math.abs(vm.x - vm.base);
+ },
+
+ tooltipPosition: function() {
+ var vm = this._view;
+ return {
+ x: vm.x,
+ y: vm.y
+ };
+ }
+});
+
+var elements = {};
+var Arc = element_arc;
+var Line = element_line;
+var Point = element_point;
+var Rectangle = element_rectangle;
+elements.Arc = Arc;
+elements.Line = Line;
+elements.Point = Point;
+elements.Rectangle = Rectangle;
+
+var deprecated = helpers$1._deprecated;
+var valueOrDefault$3 = helpers$1.valueOrDefault;
+
+core_defaults._set('bar', {
+ hover: {
+ mode: 'label'
+ },
+
+ scales: {
+ xAxes: [{
+ type: 'category',
+ offset: true,
+ gridLines: {
+ offsetGridLines: true
+ }
+ }],
+
+ yAxes: [{
+ type: 'linear'
+ }]
+ }
+});
+
+core_defaults._set('global', {
+ datasets: {
+ bar: {
+ categoryPercentage: 0.8,
+ barPercentage: 0.9
+ }
+ }
+});
+
+/**
+ * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap.
+ * @private
+ */
+function computeMinSampleSize(scale, pixels) {
+ var min = scale._length;
+ var prev, curr, i, ilen;
+
+ for (i = 1, ilen = pixels.length; i < ilen; ++i) {
+ min = Math.min(min, Math.abs(pixels[i] - pixels[i - 1]));
+ }
+
+ for (i = 0, ilen = scale.getTicks().length; i < ilen; ++i) {
+ curr = scale.getPixelForTick(i);
+ min = i > 0 ? Math.min(min, Math.abs(curr - prev)) : min;
+ prev = curr;
+ }
+
+ return min;
+}
+
+/**
+ * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null,
+ * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This
+ * mode currently always generates bars equally sized (until we introduce scriptable options?).
+ * @private
+ */
+function computeFitCategoryTraits(index, ruler, options) {
+ var thickness = options.barThickness;
+ var count = ruler.stackCount;
+ var curr = ruler.pixels[index];
+ var min = helpers$1.isNullOrUndef(thickness)
+ ? computeMinSampleSize(ruler.scale, ruler.pixels)
+ : -1;
+ var size, ratio;
+
+ if (helpers$1.isNullOrUndef(thickness)) {
+ size = min * options.categoryPercentage;
+ ratio = options.barPercentage;
+ } else {
+ // When bar thickness is enforced, category and bar percentages are ignored.
+ // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%')
+ // and deprecate barPercentage since this value is ignored when thickness is absolute.
+ size = thickness * count;
+ ratio = 1;
+ }
+
+ return {
+ chunk: size / count,
+ ratio: ratio,
+ start: curr - (size / 2)
+ };
+}
+
+/**
+ * Computes an "optimal" category that globally arranges bars side by side (no gap when
+ * percentage options are 1), based on the previous and following categories. This mode
+ * generates bars with different widths when data are not evenly spaced.
+ * @private
+ */
+function computeFlexCategoryTraits(index, ruler, options) {
+ var pixels = ruler.pixels;
+ var curr = pixels[index];
+ var prev = index > 0 ? pixels[index - 1] : null;
+ var next = index < pixels.length - 1 ? pixels[index + 1] : null;
+ var percent = options.categoryPercentage;
+ var start, size;
+
+ if (prev === null) {
+ // first data: its size is double based on the next point or,
+ // if it's also the last data, we use the scale size.
+ prev = curr - (next === null ? ruler.end - ruler.start : next - curr);
+ }
+
+ if (next === null) {
+ // last data: its size is also double based on the previous point.
+ next = curr + curr - prev;
+ }
+
+ start = curr - (curr - Math.min(prev, next)) / 2 * percent;
+ size = Math.abs(next - prev) / 2 * percent;
+
+ return {
+ chunk: size / ruler.stackCount,
+ ratio: options.barPercentage,
+ start: start
+ };
+}
+
+var controller_bar = core_datasetController.extend({
+
+ dataElementType: elements.Rectangle,
+
+ /**
+ * @private
+ */
+ _dataElementOptions: [
+ 'backgroundColor',
+ 'borderColor',
+ 'borderSkipped',
+ 'borderWidth',
+ 'barPercentage',
+ 'barThickness',
+ 'categoryPercentage',
+ 'maxBarThickness',
+ 'minBarLength'
+ ],
+
+ initialize: function() {
+ var me = this;
+ var meta, scaleOpts;
+
+ core_datasetController.prototype.initialize.apply(me, arguments);
+
+ meta = me.getMeta();
+ meta.stack = me.getDataset().stack;
+ meta.bar = true;
+
+ scaleOpts = me._getIndexScale().options;
+ deprecated('bar chart', scaleOpts.barPercentage, 'scales.[x/y]Axes.barPercentage', 'dataset.barPercentage');
+ deprecated('bar chart', scaleOpts.barThickness, 'scales.[x/y]Axes.barThickness', 'dataset.barThickness');
+ deprecated('bar chart', scaleOpts.categoryPercentage, 'scales.[x/y]Axes.categoryPercentage', 'dataset.categoryPercentage');
+ deprecated('bar chart', me._getValueScale().options.minBarLength, 'scales.[x/y]Axes.minBarLength', 'dataset.minBarLength');
+ deprecated('bar chart', scaleOpts.maxBarThickness, 'scales.[x/y]Axes.maxBarThickness', 'dataset.maxBarThickness');
+ },
+
+ update: function(reset) {
+ var me = this;
+ var rects = me.getMeta().data;
+ var i, ilen;
+
+ me._ruler = me.getRuler();
+
+ for (i = 0, ilen = rects.length; i < ilen; ++i) {
+ me.updateElement(rects[i], i, reset);
+ }
+ },
+
+ updateElement: function(rectangle, index, reset) {
+ var me = this;
+ var meta = me.getMeta();
+ var dataset = me.getDataset();
+ var options = me._resolveDataElementOptions(rectangle, index);
+
+ rectangle._xScale = me.getScaleForId(meta.xAxisID);
+ rectangle._yScale = me.getScaleForId(meta.yAxisID);
+ rectangle._datasetIndex = me.index;
+ rectangle._index = index;
+ rectangle._model = {
+ backgroundColor: options.backgroundColor,
+ borderColor: options.borderColor,
+ borderSkipped: options.borderSkipped,
+ borderWidth: options.borderWidth,
+ datasetLabel: dataset.label,
+ label: me.chart.data.labels[index]
+ };
+
+ if (helpers$1.isArray(dataset.data[index])) {
+ rectangle._model.borderSkipped = null;
+ }
+
+ me._updateElementGeometry(rectangle, index, reset, options);
+
+ rectangle.pivot();
+ },
+
+ /**
+ * @private
+ */
+ _updateElementGeometry: function(rectangle, index, reset, options) {
+ var me = this;
+ var model = rectangle._model;
+ var vscale = me._getValueScale();
+ var base = vscale.getBasePixel();
+ var horizontal = vscale.isHorizontal();
+ var ruler = me._ruler || me.getRuler();
+ var vpixels = me.calculateBarValuePixels(me.index, index, options);
+ var ipixels = me.calculateBarIndexPixels(me.index, index, ruler, options);
+
+ model.horizontal = horizontal;
+ model.base = reset ? base : vpixels.base;
+ model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;
+ model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;
+ model.height = horizontal ? ipixels.size : undefined;
+ model.width = horizontal ? undefined : ipixels.size;
+ },
+
+ /**
+ * Returns the stacks based on groups and bar visibility.
+ * @param {number} [last] - The dataset index
+ * @returns {string[]} The list of stack IDs
+ * @private
+ */
+ _getStacks: function(last) {
+ var me = this;
+ var scale = me._getIndexScale();
+ var metasets = scale._getMatchingVisibleMetas(me._type);
+ var stacked = scale.options.stacked;
+ var ilen = metasets.length;
+ var stacks = [];
+ var i, meta;
+
+ for (i = 0; i < ilen; ++i) {
+ meta = metasets[i];
+ // stacked | meta.stack
+ // | found | not found | undefined
+ // false | x | x | x
+ // true | | x |
+ // undefined | | x | x
+ if (stacked === false || stacks.indexOf(meta.stack) === -1 ||
+ (stacked === undefined && meta.stack === undefined)) {
+ stacks.push(meta.stack);
+ }
+ if (meta.index === last) {
+ break;
+ }
+ }
+
+ return stacks;
+ },
+
+ /**
+ * Returns the effective number of stacks based on groups and bar visibility.
+ * @private
+ */
+ getStackCount: function() {
+ return this._getStacks().length;
+ },
+
+ /**
+ * Returns the stack index for the given dataset based on groups and bar visibility.
+ * @param {number} [datasetIndex] - The dataset index
+ * @param {string} [name] - The stack name to find
+ * @returns {number} The stack index
+ * @private
+ */
+ getStackIndex: function(datasetIndex, name) {
+ var stacks = this._getStacks(datasetIndex);
+ var index = (name !== undefined)
+ ? stacks.indexOf(name)
+ : -1; // indexOf returns -1 if element is not present
+
+ return (index === -1)
+ ? stacks.length - 1
+ : index;
+ },
+
+ /**
+ * @private
+ */
+ getRuler: function() {
+ var me = this;
+ var scale = me._getIndexScale();
+ var pixels = [];
+ var i, ilen;
+
+ for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {
+ pixels.push(scale.getPixelForValue(null, i, me.index));
+ }
+
+ return {
+ pixels: pixels,
+ start: scale._startPixel,
+ end: scale._endPixel,
+ stackCount: me.getStackCount(),
+ scale: scale
+ };
+ },
+
+ /**
+ * Note: pixel values are not clamped to the scale area.
+ * @private
+ */
+ calculateBarValuePixels: function(datasetIndex, index, options) {
+ var me = this;
+ var chart = me.chart;
+ var scale = me._getValueScale();
+ var isHorizontal = scale.isHorizontal();
+ var datasets = chart.data.datasets;
+ var metasets = scale._getMatchingVisibleMetas(me._type);
+ var value = scale._parseValue(datasets[datasetIndex].data[index]);
+ var minBarLength = options.minBarLength;
+ var stacked = scale.options.stacked;
+ var stack = me.getMeta().stack;
+ var start = value.start === undefined ? 0 : value.max >= 0 && value.min >= 0 ? value.min : value.max;
+ var length = value.start === undefined ? value.end : value.max >= 0 && value.min >= 0 ? value.max - value.min : value.min - value.max;
+ var ilen = metasets.length;
+ var i, imeta, ivalue, base, head, size, stackLength;
+
+ if (stacked || (stacked === undefined && stack !== undefined)) {
+ for (i = 0; i < ilen; ++i) {
+ imeta = metasets[i];
+
+ if (imeta.index === datasetIndex) {
+ break;
+ }
+
+ if (imeta.stack === stack) {
+ stackLength = scale._parseValue(datasets[imeta.index].data[index]);
+ ivalue = stackLength.start === undefined ? stackLength.end : stackLength.min >= 0 && stackLength.max >= 0 ? stackLength.max : stackLength.min;
+
+ if ((value.min < 0 && ivalue < 0) || (value.max >= 0 && ivalue > 0)) {
+ start += ivalue;
+ }
+ }
+ }
+ }
+
+ base = scale.getPixelForValue(start);
+ head = scale.getPixelForValue(start + length);
+ size = head - base;
+
+ if (minBarLength !== undefined && Math.abs(size) < minBarLength) {
+ size = minBarLength;
+ if (length >= 0 && !isHorizontal || length < 0 && isHorizontal) {
+ head = base - minBarLength;
+ } else {
+ head = base + minBarLength;
+ }
+ }
+
+ return {
+ size: size,
+ base: base,
+ head: head,
+ center: head + size / 2
+ };
+ },
+
+ /**
+ * @private
+ */
+ calculateBarIndexPixels: function(datasetIndex, index, ruler, options) {
+ var me = this;
+ var range = options.barThickness === 'flex'
+ ? computeFlexCategoryTraits(index, ruler, options)
+ : computeFitCategoryTraits(index, ruler, options);
+
+ var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack);
+ var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2);
+ var size = Math.min(
+ valueOrDefault$3(options.maxBarThickness, Infinity),
+ range.chunk * range.ratio);
+
+ return {
+ base: center - size / 2,
+ head: center + size / 2,
+ center: center,
+ size: size
+ };
+ },
+
+ draw: function() {
+ var me = this;
+ var chart = me.chart;
+ var scale = me._getValueScale();
+ var rects = me.getMeta().data;
+ var dataset = me.getDataset();
+ var ilen = rects.length;
+ var i = 0;
+
+ helpers$1.canvas.clipArea(chart.ctx, chart.chartArea);
+
+ for (; i < ilen; ++i) {
+ var val = scale._parseValue(dataset.data[i]);
+ if (!isNaN(val.min) && !isNaN(val.max)) {
+ rects[i].draw();
+ }
+ }
+
+ helpers$1.canvas.unclipArea(chart.ctx);
+ },
+
+ /**
+ * @private
+ */
+ _resolveDataElementOptions: function() {
+ var me = this;
+ var values = helpers$1.extend({}, core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments));
+ var indexOpts = me._getIndexScale().options;
+ var valueOpts = me._getValueScale().options;
+
+ values.barPercentage = valueOrDefault$3(indexOpts.barPercentage, values.barPercentage);
+ values.barThickness = valueOrDefault$3(indexOpts.barThickness, values.barThickness);
+ values.categoryPercentage = valueOrDefault$3(indexOpts.categoryPercentage, values.categoryPercentage);
+ values.maxBarThickness = valueOrDefault$3(indexOpts.maxBarThickness, values.maxBarThickness);
+ values.minBarLength = valueOrDefault$3(valueOpts.minBarLength, values.minBarLength);
+
+ return values;
+ }
+
+});
+
+var valueOrDefault$4 = helpers$1.valueOrDefault;
+var resolve$1 = helpers$1.options.resolve;
+
+core_defaults._set('bubble', {
+ hover: {
+ mode: 'single'
+ },
+
+ scales: {
+ xAxes: [{
+ type: 'linear', // bubble should probably use a linear scale by default
+ position: 'bottom',
+ id: 'x-axis-0' // need an ID so datasets can reference the scale
+ }],
+ yAxes: [{
+ type: 'linear',
+ position: 'left',
+ id: 'y-axis-0'
+ }]
+ },
+
+ tooltips: {
+ callbacks: {
+ title: function() {
+ // Title doesn't make sense for scatter since we format the data as a point
+ return '';
+ },
+ label: function(item, data) {
+ var datasetLabel = data.datasets[item.datasetIndex].label || '';
+ var dataPoint = data.datasets[item.datasetIndex].data[item.index];
+ return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';
+ }
+ }
+ }
+});
+
+var controller_bubble = core_datasetController.extend({
+ /**
+ * @protected
+ */
+ dataElementType: elements.Point,
+
+ /**
+ * @private
+ */
+ _dataElementOptions: [
+ 'backgroundColor',
+ 'borderColor',
+ 'borderWidth',
+ 'hoverBackgroundColor',
+ 'hoverBorderColor',
+ 'hoverBorderWidth',
+ 'hoverRadius',
+ 'hitRadius',
+ 'pointStyle',
+ 'rotation'
+ ],
+
+ /**
+ * @protected
+ */
+ update: function(reset) {
+ var me = this;
+ var meta = me.getMeta();
+ var points = meta.data;
+
+ // Update Points
+ helpers$1.each(points, function(point, index) {
+ me.updateElement(point, index, reset);
+ });
+ },
+
+ /**
+ * @protected
+ */
+ updateElement: function(point, index, reset) {
+ var me = this;
+ var meta = me.getMeta();
+ var custom = point.custom || {};
+ var xScale = me.getScaleForId(meta.xAxisID);
+ var yScale = me.getScaleForId(meta.yAxisID);
+ var options = me._resolveDataElementOptions(point, index);
+ var data = me.getDataset().data[index];
+ var dsIndex = me.index;
+
+ var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);
+ var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);
+
+ point._xScale = xScale;
+ point._yScale = yScale;
+ point._options = options;
+ point._datasetIndex = dsIndex;
+ point._index = index;
+ point._model = {
+ backgroundColor: options.backgroundColor,
+ borderColor: options.borderColor,
+ borderWidth: options.borderWidth,
+ hitRadius: options.hitRadius,
+ pointStyle: options.pointStyle,
+ rotation: options.rotation,
+ radius: reset ? 0 : options.radius,
+ skip: custom.skip || isNaN(x) || isNaN(y),
+ x: x,
+ y: y,
+ };
+
+ point.pivot();
+ },
+
+ /**
+ * @protected
+ */
+ setHoverStyle: function(point) {
+ var model = point._model;
+ var options = point._options;
+ var getHoverColor = helpers$1.getHoverColor;
+
+ point.$previousStyle = {
+ backgroundColor: model.backgroundColor,
+ borderColor: model.borderColor,
+ borderWidth: model.borderWidth,
+ radius: model.radius
+ };
+
+ model.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+ model.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor));
+ model.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth);
+ model.radius = options.radius + options.hoverRadius;
+ },
+
+ /**
+ * @private
+ */
+ _resolveDataElementOptions: function(point, index) {
+ var me = this;
+ var chart = me.chart;
+ var dataset = me.getDataset();
+ var custom = point.custom || {};
+ var data = dataset.data[index] || {};
+ var values = core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments);
+
+ // Scriptable options
+ var context = {
+ chart: chart,
+ dataIndex: index,
+ dataset: dataset,
+ datasetIndex: me.index
+ };
+
+ // In case values were cached (and thus frozen), we need to clone the values
+ if (me._cachedDataOpts === values) {
+ values = helpers$1.extend({}, values);
+ }
+
+ // Custom radius resolution
+ values.radius = resolve$1([
+ custom.radius,
+ data.r,
+ me._config.radius,
+ chart.options.elements.point.radius
+ ], context, index);
+
+ return values;
+ }
+});
+
+var valueOrDefault$5 = helpers$1.valueOrDefault;
+
+var PI$1 = Math.PI;
+var DOUBLE_PI$1 = PI$1 * 2;
+var HALF_PI$1 = PI$1 / 2;
+
+core_defaults._set('doughnut', {
+ animation: {
+ // Boolean - Whether we animate the rotation of the Doughnut
+ animateRotate: true,
+ // Boolean - Whether we animate scaling the Doughnut from the centre
+ animateScale: false
+ },
+ hover: {
+ mode: 'single'
+ },
+ legendCallback: function(chart) {
+ var list = document.createElement('ul');
+ var data = chart.data;
+ var datasets = data.datasets;
+ var labels = data.labels;
+ var i, ilen, listItem, listItemSpan;
+
+ list.setAttribute('class', chart.id + '-legend');
+ if (datasets.length) {
+ for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) {
+ listItem = list.appendChild(document.createElement('li'));
+ listItemSpan = listItem.appendChild(document.createElement('span'));
+ listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i];
+ if (labels[i]) {
+ listItem.appendChild(document.createTextNode(labels[i]));
+ }
+ }
+ }
+
+ return list.outerHTML;
+ },
+ legend: {
+ labels: {
+ generateLabels: function(chart) {
+ var data = chart.data;
+ if (data.labels.length && data.datasets.length) {
+ return data.labels.map(function(label, i) {
+ var meta = chart.getDatasetMeta(0);
+ var style = meta.controller.getStyle(i);
+
+ return {
+ text: label,
+ fillStyle: style.backgroundColor,
+ strokeStyle: style.borderColor,
+ lineWidth: style.borderWidth,
+ hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden,
+
+ // Extra data used for toggling the correct item
+ index: i
+ };
+ });
+ }
+ return [];
+ }
+ },
+
+ onClick: function(e, legendItem) {
+ var index = legendItem.index;
+ var chart = this.chart;
+ var i, ilen, meta;
+
+ for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
+ meta = chart.getDatasetMeta(i);
+ // toggle visibility of index if exists
+ if (meta.data[index]) {
+ meta.data[index].hidden = !meta.data[index].hidden;
+ }
+ }
+
+ chart.update();
+ }
+ },
+
+ // The percentage of the chart that we cut out of the middle.
+ cutoutPercentage: 50,
+
+ // The rotation of the chart, where the first data arc begins.
+ rotation: -HALF_PI$1,
+
+ // The total circumference of the chart.
+ circumference: DOUBLE_PI$1,
+
+ // Need to override these to give a nice default
+ tooltips: {
+ callbacks: {
+ title: function() {
+ return '';
+ },
+ label: function(tooltipItem, data) {
+ var dataLabel = data.labels[tooltipItem.index];
+ var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
+
+ if (helpers$1.isArray(dataLabel)) {
+ // show value on first line of multiline label
+ // need to clone because we are changing the value
+ dataLabel = dataLabel.slice();
+ dataLabel[0] += value;
+ } else {
+ dataLabel += value;
+ }
+
+ return dataLabel;
+ }
+ }
+ }
+});
+
+var controller_doughnut = core_datasetController.extend({
+
+ dataElementType: elements.Arc,
+
+ linkScales: helpers$1.noop,
+
+ /**
+ * @private
+ */
+ _dataElementOptions: [
+ 'backgroundColor',
+ 'borderColor',
+ 'borderWidth',
+ 'borderAlign',
+ 'hoverBackgroundColor',
+ 'hoverBorderColor',
+ 'hoverBorderWidth',
+ ],
+
+ // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly
+ getRingIndex: function(datasetIndex) {
+ var ringIndex = 0;
+
+ for (var j = 0; j < datasetIndex; ++j) {
+ if (this.chart.isDatasetVisible(j)) {
+ ++ringIndex;
+ }
+ }
+
+ return ringIndex;
+ },
+
+ update: function(reset) {
+ var me = this;
+ var chart = me.chart;
+ var chartArea = chart.chartArea;
+ var opts = chart.options;
+ var ratioX = 1;
+ var ratioY = 1;
+ var offsetX = 0;
+ var offsetY = 0;
+ var meta = me.getMeta();
+ var arcs = meta.data;
+ var cutout = opts.cutoutPercentage / 100 || 0;
+ var circumference = opts.circumference;
+ var chartWeight = me._getRingWeight(me.index);
+ var maxWidth, maxHeight, i, ilen;
+
+ // If the chart's circumference isn't a full circle, calculate size as a ratio of the width/height of the arc
+ if (circumference < DOUBLE_PI$1) {
+ var startAngle = opts.rotation % DOUBLE_PI$1;
+ startAngle += startAngle >= PI$1 ? -DOUBLE_PI$1 : startAngle < -PI$1 ? DOUBLE_PI$1 : 0;
+ var endAngle = startAngle + circumference;
+ var startX = Math.cos(startAngle);
+ var startY = Math.sin(startAngle);
+ var endX = Math.cos(endAngle);
+ var endY = Math.sin(endAngle);
+ var contains0 = (startAngle <= 0 && endAngle >= 0) || endAngle >= DOUBLE_PI$1;
+ var contains90 = (startAngle <= HALF_PI$1 && endAngle >= HALF_PI$1) || endAngle >= DOUBLE_PI$1 + HALF_PI$1;
+ var contains180 = startAngle === -PI$1 || endAngle >= PI$1;
+ var contains270 = (startAngle <= -HALF_PI$1 && endAngle >= -HALF_PI$1) || endAngle >= PI$1 + HALF_PI$1;
+ var minX = contains180 ? -1 : Math.min(startX, startX * cutout, endX, endX * cutout);
+ var minY = contains270 ? -1 : Math.min(startY, startY * cutout, endY, endY * cutout);
+ var maxX = contains0 ? 1 : Math.max(startX, startX * cutout, endX, endX * cutout);
+ var maxY = contains90 ? 1 : Math.max(startY, startY * cutout, endY, endY * cutout);
+ ratioX = (maxX - minX) / 2;
+ ratioY = (maxY - minY) / 2;
+ offsetX = -(maxX + minX) / 2;
+ offsetY = -(maxY + minY) / 2;
+ }
+
+ for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+ arcs[i]._options = me._resolveDataElementOptions(arcs[i], i);
+ }
+
+ chart.borderWidth = me.getMaxBorderWidth();
+ maxWidth = (chartArea.right - chartArea.left - chart.borderWidth) / ratioX;
+ maxHeight = (chartArea.bottom - chartArea.top - chart.borderWidth) / ratioY;
+ chart.outerRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0);
+ chart.innerRadius = Math.max(chart.outerRadius * cutout, 0);
+ chart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1);
+ chart.offsetX = offsetX * chart.outerRadius;
+ chart.offsetY = offsetY * chart.outerRadius;
+
+ meta.total = me.calculateTotal();
+
+ me.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index);
+ me.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0);
+
+ for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+ me.updateElement(arcs[i], i, reset);
+ }
+ },
+
+ updateElement: function(arc, index, reset) {
+ var me = this;
+ var chart = me.chart;
+ var chartArea = chart.chartArea;
+ var opts = chart.options;
+ var animationOpts = opts.animation;
+ var centerX = (chartArea.left + chartArea.right) / 2;
+ var centerY = (chartArea.top + chartArea.bottom) / 2;
+ var startAngle = opts.rotation; // non reset case handled later
+ var endAngle = opts.rotation; // non reset case handled later
+ var dataset = me.getDataset();
+ var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / DOUBLE_PI$1);
+ var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;
+ var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;
+ var options = arc._options || {};
+
+ helpers$1.extend(arc, {
+ // Utility
+ _datasetIndex: me.index,
+ _index: index,
+
+ // Desired view properties
+ _model: {
+ backgroundColor: options.backgroundColor,
+ borderColor: options.borderColor,
+ borderWidth: options.borderWidth,
+ borderAlign: options.borderAlign,
+ x: centerX + chart.offsetX,
+ y: centerY + chart.offsetY,
+ startAngle: startAngle,
+ endAngle: endAngle,
+ circumference: circumference,
+ outerRadius: outerRadius,
+ innerRadius: innerRadius,
+ label: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])
+ }
+ });
+
+ var model = arc._model;
+
+ // Set correct angles if not resetting
+ if (!reset || !animationOpts.animateRotate) {
+ if (index === 0) {
+ model.startAngle = opts.rotation;
+ } else {
+ model.startAngle = me.getMeta().data[index - 1]._model.endAngle;
+ }
+
+ model.endAngle = model.startAngle + model.circumference;
+ }
+
+ arc.pivot();
+ },
+
+ calculateTotal: function() {
+ var dataset = this.getDataset();
+ var meta = this.getMeta();
+ var total = 0;
+ var value;
+
+ helpers$1.each(meta.data, function(element, index) {
+ value = dataset.data[index];
+ if (!isNaN(value) && !element.hidden) {
+ total += Math.abs(value);
+ }
+ });
+
+ /* if (total === 0) {
+ total = NaN;
+ }*/
+
+ return total;
+ },
+
+ calculateCircumference: function(value) {
+ var total = this.getMeta().total;
+ if (total > 0 && !isNaN(value)) {
+ return DOUBLE_PI$1 * (Math.abs(value) / total);
+ }
+ return 0;
+ },
+
+ // gets the max border or hover width to properly scale pie charts
+ getMaxBorderWidth: function(arcs) {
+ var me = this;
+ var max = 0;
+ var chart = me.chart;
+ var i, ilen, meta, arc, controller, options, borderWidth, hoverWidth;
+
+ if (!arcs) {
+ // Find the outmost visible dataset
+ for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
+ if (chart.isDatasetVisible(i)) {
+ meta = chart.getDatasetMeta(i);
+ arcs = meta.data;
+ if (i !== me.index) {
+ controller = meta.controller;
+ }
+ break;
+ }
+ }
+ }
+
+ if (!arcs) {
+ return 0;
+ }
+
+ for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+ arc = arcs[i];
+ if (controller) {
+ controller._configure();
+ options = controller._resolveDataElementOptions(arc, i);
+ } else {
+ options = arc._options;
+ }
+ if (options.borderAlign !== 'inner') {
+ borderWidth = options.borderWidth;
+ hoverWidth = options.hoverBorderWidth;
+
+ max = borderWidth > max ? borderWidth : max;
+ max = hoverWidth > max ? hoverWidth : max;
+ }
+ }
+ return max;
+ },
+
+ /**
+ * @protected
+ */
+ setHoverStyle: function(arc) {
+ var model = arc._model;
+ var options = arc._options;
+ var getHoverColor = helpers$1.getHoverColor;
+
+ arc.$previousStyle = {
+ backgroundColor: model.backgroundColor,
+ borderColor: model.borderColor,
+ borderWidth: model.borderWidth,
+ };
+
+ model.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+ model.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor));
+ model.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth);
+ },
+
+ /**
+ * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly
+ * @private
+ */
+ _getRingWeightOffset: function(datasetIndex) {
+ var ringWeightOffset = 0;
+
+ for (var i = 0; i < datasetIndex; ++i) {
+ if (this.chart.isDatasetVisible(i)) {
+ ringWeightOffset += this._getRingWeight(i);
+ }
+ }
+
+ return ringWeightOffset;
+ },
+
+ /**
+ * @private
+ */
+ _getRingWeight: function(dataSetIndex) {
+ return Math.max(valueOrDefault$5(this.chart.data.datasets[dataSetIndex].weight, 1), 0);
+ },
+
+ /**
+ * Returns the sum of all visibile data set weights. This value can be 0.
+ * @private
+ */
+ _getVisibleDatasetWeightTotal: function() {
+ return this._getRingWeightOffset(this.chart.data.datasets.length);
+ }
+});
+
+core_defaults._set('horizontalBar', {
+ hover: {
+ mode: 'index',
+ axis: 'y'
+ },
+
+ scales: {
+ xAxes: [{
+ type: 'linear',
+ position: 'bottom'
+ }],
+
+ yAxes: [{
+ type: 'category',
+ position: 'left',
+ offset: true,
+ gridLines: {
+ offsetGridLines: true
+ }
+ }]
+ },
+
+ elements: {
+ rectangle: {
+ borderSkipped: 'left'
+ }
+ },
+
+ tooltips: {
+ mode: 'index',
+ axis: 'y'
+ }
+});
+
+core_defaults._set('global', {
+ datasets: {
+ horizontalBar: {
+ categoryPercentage: 0.8,
+ barPercentage: 0.9
+ }
+ }
+});
+
+var controller_horizontalBar = controller_bar.extend({
+ /**
+ * @private
+ */
+ _getValueScaleId: function() {
+ return this.getMeta().xAxisID;
+ },
+
+ /**
+ * @private
+ */
+ _getIndexScaleId: function() {
+ return this.getMeta().yAxisID;
+ }
+});
+
+var valueOrDefault$6 = helpers$1.valueOrDefault;
+var resolve$2 = helpers$1.options.resolve;
+var isPointInArea = helpers$1.canvas._isPointInArea;
+
+core_defaults._set('line', {
+ showLines: true,
+ spanGaps: false,
+
+ hover: {
+ mode: 'label'
+ },
+
+ scales: {
+ xAxes: [{
+ type: 'category',
+ id: 'x-axis-0'
+ }],
+ yAxes: [{
+ type: 'linear',
+ id: 'y-axis-0'
+ }]
+ }
+});
+
+function scaleClip(scale, halfBorderWidth) {
+ var tickOpts = scale && scale.options.ticks || {};
+ var reverse = tickOpts.reverse;
+ var min = tickOpts.min === undefined ? halfBorderWidth : 0;
+ var max = tickOpts.max === undefined ? halfBorderWidth : 0;
+ return {
+ start: reverse ? max : min,
+ end: reverse ? min : max
+ };
+}
+
+function defaultClip(xScale, yScale, borderWidth) {
+ var halfBorderWidth = borderWidth / 2;
+ var x = scaleClip(xScale, halfBorderWidth);
+ var y = scaleClip(yScale, halfBorderWidth);
+
+ return {
+ top: y.end,
+ right: x.end,
+ bottom: y.start,
+ left: x.start
+ };
+}
+
+function toClip(value) {
+ var t, r, b, l;
+
+ if (helpers$1.isObject(value)) {
+ t = value.top;
+ r = value.right;
+ b = value.bottom;
+ l = value.left;
+ } else {
+ t = r = b = l = value;
+ }
+
+ return {
+ top: t,
+ right: r,
+ bottom: b,
+ left: l
+ };
+}
+
+
+var controller_line = core_datasetController.extend({
+
+ datasetElementType: elements.Line,
+
+ dataElementType: elements.Point,
+
+ /**
+ * @private
+ */
+ _datasetElementOptions: [
+ 'backgroundColor',
+ 'borderCapStyle',
+ 'borderColor',
+ 'borderDash',
+ 'borderDashOffset',
+ 'borderJoinStyle',
+ 'borderWidth',
+ 'cubicInterpolationMode',
+ 'fill'
+ ],
+
+ /**
+ * @private
+ */
+ _dataElementOptions: {
+ backgroundColor: 'pointBackgroundColor',
+ borderColor: 'pointBorderColor',
+ borderWidth: 'pointBorderWidth',
+ hitRadius: 'pointHitRadius',
+ hoverBackgroundColor: 'pointHoverBackgroundColor',
+ hoverBorderColor: 'pointHoverBorderColor',
+ hoverBorderWidth: 'pointHoverBorderWidth',
+ hoverRadius: 'pointHoverRadius',
+ pointStyle: 'pointStyle',
+ radius: 'pointRadius',
+ rotation: 'pointRotation'
+ },
+
+ update: function(reset) {
+ var me = this;
+ var meta = me.getMeta();
+ var line = meta.dataset;
+ var points = meta.data || [];
+ var options = me.chart.options;
+ var config = me._config;
+ var showLine = me._showLine = valueOrDefault$6(config.showLine, options.showLines);
+ var i, ilen;
+
+ me._xScale = me.getScaleForId(meta.xAxisID);
+ me._yScale = me.getScaleForId(meta.yAxisID);
+
+ // Update Line
+ if (showLine) {
+ // Compatibility: If the properties are defined with only the old name, use those values
+ if (config.tension !== undefined && config.lineTension === undefined) {
+ config.lineTension = config.tension;
+ }
+
+ // Utility
+ line._scale = me._yScale;
+ line._datasetIndex = me.index;
+ // Data
+ line._children = points;
+ // Model
+ line._model = me._resolveDatasetElementOptions(line);
+
+ line.pivot();
+ }
+
+ // Update Points
+ for (i = 0, ilen = points.length; i < ilen; ++i) {
+ me.updateElement(points[i], i, reset);
+ }
+
+ if (showLine && line._model.tension !== 0) {
+ me.updateBezierControlPoints();
+ }
+
+ // Now pivot the point for animation
+ for (i = 0, ilen = points.length; i < ilen; ++i) {
+ points[i].pivot();
+ }
+ },
+
+ updateElement: function(point, index, reset) {
+ var me = this;
+ var meta = me.getMeta();
+ var custom = point.custom || {};
+ var dataset = me.getDataset();
+ var datasetIndex = me.index;
+ var value = dataset.data[index];
+ var xScale = me._xScale;
+ var yScale = me._yScale;
+ var lineModel = meta.dataset._model;
+ var x, y;
+
+ var options = me._resolveDataElementOptions(point, index);
+
+ x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);
+ y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);
+
+ // Utility
+ point._xScale = xScale;
+ point._yScale = yScale;
+ point._options = options;
+ point._datasetIndex = datasetIndex;
+ point._index = index;
+
+ // Desired view properties
+ point._model = {
+ x: x,
+ y: y,
+ skip: custom.skip || isNaN(x) || isNaN(y),
+ // Appearance
+ radius: options.radius,
+ pointStyle: options.pointStyle,
+ rotation: options.rotation,
+ backgroundColor: options.backgroundColor,
+ borderColor: options.borderColor,
+ borderWidth: options.borderWidth,
+ tension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0),
+ steppedLine: lineModel ? lineModel.steppedLine : false,
+ // Tooltip
+ hitRadius: options.hitRadius
+ };
+ },
+
+ /**
+ * @private
+ */
+ _resolveDatasetElementOptions: function(element) {
+ var me = this;
+ var config = me._config;
+ var custom = element.custom || {};
+ var options = me.chart.options;
+ var lineOptions = options.elements.line;
+ var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments);
+
+ // The default behavior of lines is to break at null values, according
+ // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158
+ // This option gives lines the ability to span gaps
+ values.spanGaps = valueOrDefault$6(config.spanGaps, options.spanGaps);
+ values.tension = valueOrDefault$6(config.lineTension, lineOptions.tension);
+ values.steppedLine = resolve$2([custom.steppedLine, config.steppedLine, lineOptions.stepped]);
+ values.clip = toClip(valueOrDefault$6(config.clip, defaultClip(me._xScale, me._yScale, values.borderWidth)));
+
+ return values;
+ },
+
+ calculatePointY: function(value, index, datasetIndex) {
+ var me = this;
+ var chart = me.chart;
+ var yScale = me._yScale;
+ var sumPos = 0;
+ var sumNeg = 0;
+ var i, ds, dsMeta, stackedRightValue, rightValue, metasets, ilen;
+
+ if (yScale.options.stacked) {
+ rightValue = +yScale.getRightValue(value);
+ metasets = chart._getSortedVisibleDatasetMetas();
+ ilen = metasets.length;
+
+ for (i = 0; i < ilen; ++i) {
+ dsMeta = metasets[i];
+ if (dsMeta.index === datasetIndex) {
+ break;
+ }
+
+ ds = chart.data.datasets[dsMeta.index];
+ if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id) {
+ stackedRightValue = +yScale.getRightValue(ds.data[index]);
+ if (stackedRightValue < 0) {
+ sumNeg += stackedRightValue || 0;
+ } else {
+ sumPos += stackedRightValue || 0;
+ }
+ }
+ }
+
+ if (rightValue < 0) {
+ return yScale.getPixelForValue(sumNeg + rightValue);
+ }
+ return yScale.getPixelForValue(sumPos + rightValue);
+ }
+ return yScale.getPixelForValue(value);
+ },
+
+ updateBezierControlPoints: function() {
+ var me = this;
+ var chart = me.chart;
+ var meta = me.getMeta();
+ var lineModel = meta.dataset._model;
+ var area = chart.chartArea;
+ var points = meta.data || [];
+ var i, ilen, model, controlPoints;
+
+ // Only consider points that are drawn in case the spanGaps option is used
+ if (lineModel.spanGaps) {
+ points = points.filter(function(pt) {
+ return !pt._model.skip;
+ });
+ }
+
+ function capControlPoint(pt, min, max) {
+ return Math.max(Math.min(pt, max), min);
+ }
+
+ if (lineModel.cubicInterpolationMode === 'monotone') {
+ helpers$1.splineCurveMonotone(points);
+ } else {
+ for (i = 0, ilen = points.length; i < ilen; ++i) {
+ model = points[i]._model;
+ controlPoints = helpers$1.splineCurve(
+ helpers$1.previousItem(points, i)._model,
+ model,
+ helpers$1.nextItem(points, i)._model,
+ lineModel.tension
+ );
+ model.controlPointPreviousX = controlPoints.previous.x;
+ model.controlPointPreviousY = controlPoints.previous.y;
+ model.controlPointNextX = controlPoints.next.x;
+ model.controlPointNextY = controlPoints.next.y;
+ }
+ }
+
+ if (chart.options.elements.line.capBezierPoints) {
+ for (i = 0, ilen = points.length; i < ilen; ++i) {
+ model = points[i]._model;
+ if (isPointInArea(model, area)) {
+ if (i > 0 && isPointInArea(points[i - 1]._model, area)) {
+ model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);
+ model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);
+ }
+ if (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) {
+ model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);
+ model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);
+ }
+ }
+ }
+ }
+ },
+
+ draw: function() {
+ var me = this;
+ var chart = me.chart;
+ var meta = me.getMeta();
+ var points = meta.data || [];
+ var area = chart.chartArea;
+ var canvas = chart.canvas;
+ var i = 0;
+ var ilen = points.length;
+ var clip;
+
+ if (me._showLine) {
+ clip = meta.dataset._model.clip;
+
+ helpers$1.canvas.clipArea(chart.ctx, {
+ left: clip.left === false ? 0 : area.left - clip.left,
+ right: clip.right === false ? canvas.width : area.right + clip.right,
+ top: clip.top === false ? 0 : area.top - clip.top,
+ bottom: clip.bottom === false ? canvas.height : area.bottom + clip.bottom
+ });
+
+ meta.dataset.draw();
+
+ helpers$1.canvas.unclipArea(chart.ctx);
+ }
+
+ // Draw the points
+ for (; i < ilen; ++i) {
+ points[i].draw(area);
+ }
+ },
+
+ /**
+ * @protected
+ */
+ setHoverStyle: function(point) {
+ var model = point._model;
+ var options = point._options;
+ var getHoverColor = helpers$1.getHoverColor;
+
+ point.$previousStyle = {
+ backgroundColor: model.backgroundColor,
+ borderColor: model.borderColor,
+ borderWidth: model.borderWidth,
+ radius: model.radius
+ };
+
+ model.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+ model.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor));
+ model.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth);
+ model.radius = valueOrDefault$6(options.hoverRadius, options.radius);
+ },
+});
+
+var resolve$3 = helpers$1.options.resolve;
+
+core_defaults._set('polarArea', {
+ scale: {
+ type: 'radialLinear',
+ angleLines: {
+ display: false
+ },
+ gridLines: {
+ circular: true
+ },
+ pointLabels: {
+ display: false
+ },
+ ticks: {
+ beginAtZero: true
+ }
+ },
+
+ // Boolean - Whether to animate the rotation of the chart
+ animation: {
+ animateRotate: true,
+ animateScale: true
+ },
+
+ startAngle: -0.5 * Math.PI,
+ legendCallback: function(chart) {
+ var list = document.createElement('ul');
+ var data = chart.data;
+ var datasets = data.datasets;
+ var labels = data.labels;
+ var i, ilen, listItem, listItemSpan;
+
+ list.setAttribute('class', chart.id + '-legend');
+ if (datasets.length) {
+ for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) {
+ listItem = list.appendChild(document.createElement('li'));
+ listItemSpan = listItem.appendChild(document.createElement('span'));
+ listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i];
+ if (labels[i]) {
+ listItem.appendChild(document.createTextNode(labels[i]));
+ }
+ }
+ }
+
+ return list.outerHTML;
+ },
+ legend: {
+ labels: {
+ generateLabels: function(chart) {
+ var data = chart.data;
+ if (data.labels.length && data.datasets.length) {
+ return data.labels.map(function(label, i) {
+ var meta = chart.getDatasetMeta(0);
+ var style = meta.controller.getStyle(i);
+
+ return {
+ text: label,
+ fillStyle: style.backgroundColor,
+ strokeStyle: style.borderColor,
+ lineWidth: style.borderWidth,
+ hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden,
+
+ // Extra data used for toggling the correct item
+ index: i
+ };
+ });
+ }
+ return [];
+ }
+ },
+
+ onClick: function(e, legendItem) {
+ var index = legendItem.index;
+ var chart = this.chart;
+ var i, ilen, meta;
+
+ for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
+ meta = chart.getDatasetMeta(i);
+ meta.data[index].hidden = !meta.data[index].hidden;
+ }
+
+ chart.update();
+ }
+ },
+
+ // Need to override these to give a nice default
+ tooltips: {
+ callbacks: {
+ title: function() {
+ return '';
+ },
+ label: function(item, data) {
+ return data.labels[item.index] + ': ' + item.yLabel;
+ }
+ }
+ }
+});
+
+var controller_polarArea = core_datasetController.extend({
+
+ dataElementType: elements.Arc,
+
+ linkScales: helpers$1.noop,
+
+ /**
+ * @private
+ */
+ _dataElementOptions: [
+ 'backgroundColor',
+ 'borderColor',
+ 'borderWidth',
+ 'borderAlign',
+ 'hoverBackgroundColor',
+ 'hoverBorderColor',
+ 'hoverBorderWidth',
+ ],
+
+ /**
+ * @private
+ */
+ _getIndexScaleId: function() {
+ return this.chart.scale.id;
+ },
+
+ /**
+ * @private
+ */
+ _getValueScaleId: function() {
+ return this.chart.scale.id;
+ },
+
+ update: function(reset) {
+ var me = this;
+ var dataset = me.getDataset();
+ var meta = me.getMeta();
+ var start = me.chart.options.startAngle || 0;
+ var starts = me._starts = [];
+ var angles = me._angles = [];
+ var arcs = meta.data;
+ var i, ilen, angle;
+
+ me._updateRadius();
+
+ meta.count = me.countVisibleElements();
+
+ for (i = 0, ilen = dataset.data.length; i < ilen; i++) {
+ starts[i] = start;
+ angle = me._computeAngle(i);
+ angles[i] = angle;
+ start += angle;
+ }
+
+ for (i = 0, ilen = arcs.length; i < ilen; ++i) {
+ arcs[i]._options = me._resolveDataElementOptions(arcs[i], i);
+ me.updateElement(arcs[i], i, reset);
+ }
+ },
+
+ /**
+ * @private
+ */
+ _updateRadius: function() {
+ var me = this;
+ var chart = me.chart;
+ var chartArea = chart.chartArea;
+ var opts = chart.options;
+ var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);
+
+ chart.outerRadius = Math.max(minSize / 2, 0);
+ chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);
+ chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();
+
+ me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);
+ me.innerRadius = me.outerRadius - chart.radiusLength;
+ },
+
+ updateElement: function(arc, index, reset) {
+ var me = this;
+ var chart = me.chart;
+ var dataset = me.getDataset();
+ var opts = chart.options;
+ var animationOpts = opts.animation;
+ var scale = chart.scale;
+ var labels = chart.data.labels;
+
+ var centerX = scale.xCenter;
+ var centerY = scale.yCenter;
+
+ // var negHalfPI = -0.5 * Math.PI;
+ var datasetStartAngle = opts.startAngle;
+ var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);
+ var startAngle = me._starts[index];
+ var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]);
+
+ var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);
+ var options = arc._options || {};
+
+ helpers$1.extend(arc, {
+ // Utility
+ _datasetIndex: me.index,
+ _index: index,
+ _scale: scale,
+
+ // Desired view properties
+ _model: {
+ backgroundColor: options.backgroundColor,
+ borderColor: options.borderColor,
+ borderWidth: options.borderWidth,
+ borderAlign: options.borderAlign,
+ x: centerX,
+ y: centerY,
+ innerRadius: 0,
+ outerRadius: reset ? resetRadius : distance,
+ startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,
+ endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,
+ label: helpers$1.valueAtIndexOrDefault(labels, index, labels[index])
+ }
+ });
+
+ arc.pivot();
+ },
+
+ countVisibleElements: function() {
+ var dataset = this.getDataset();
+ var meta = this.getMeta();
+ var count = 0;
+
+ helpers$1.each(meta.data, function(element, index) {
+ if (!isNaN(dataset.data[index]) && !element.hidden) {
+ count++;
+ }
+ });
+
+ return count;
+ },
+
+ /**
+ * @protected
+ */
+ setHoverStyle: function(arc) {
+ var model = arc._model;
+ var options = arc._options;
+ var getHoverColor = helpers$1.getHoverColor;
+ var valueOrDefault = helpers$1.valueOrDefault;
+
+ arc.$previousStyle = {
+ backgroundColor: model.backgroundColor,
+ borderColor: model.borderColor,
+ borderWidth: model.borderWidth,
+ };
+
+ model.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+ model.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor));
+ model.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth);
+ },
+
+ /**
+ * @private
+ */
+ _computeAngle: function(index) {
+ var me = this;
+ var count = this.getMeta().count;
+ var dataset = me.getDataset();
+ var meta = me.getMeta();
+
+ if (isNaN(dataset.data[index]) || meta.data[index].hidden) {
+ return 0;
+ }
+
+ // Scriptable options
+ var context = {
+ chart: me.chart,
+ dataIndex: index,
+ dataset: dataset,
+ datasetIndex: me.index
+ };
+
+ return resolve$3([
+ me.chart.options.elements.arc.angle,
+ (2 * Math.PI) / count
+ ], context, index);
+ }
+});
+
+core_defaults._set('pie', helpers$1.clone(core_defaults.doughnut));
+core_defaults._set('pie', {
+ cutoutPercentage: 0
+});
+
+// Pie charts are Doughnut chart with different defaults
+var controller_pie = controller_doughnut;
+
+var valueOrDefault$7 = helpers$1.valueOrDefault;
+
+core_defaults._set('radar', {
+ spanGaps: false,
+ scale: {
+ type: 'radialLinear'
+ },
+ elements: {
+ line: {
+ fill: 'start',
+ tension: 0 // no bezier in radar
+ }
+ }
+});
+
+var controller_radar = core_datasetController.extend({
+ datasetElementType: elements.Line,
+
+ dataElementType: elements.Point,
+
+ linkScales: helpers$1.noop,
+
+ /**
+ * @private
+ */
+ _datasetElementOptions: [
+ 'backgroundColor',
+ 'borderWidth',
+ 'borderColor',
+ 'borderCapStyle',
+ 'borderDash',
+ 'borderDashOffset',
+ 'borderJoinStyle',
+ 'fill'
+ ],
+
+ /**
+ * @private
+ */
+ _dataElementOptions: {
+ backgroundColor: 'pointBackgroundColor',
+ borderColor: 'pointBorderColor',
+ borderWidth: 'pointBorderWidth',
+ hitRadius: 'pointHitRadius',
+ hoverBackgroundColor: 'pointHoverBackgroundColor',
+ hoverBorderColor: 'pointHoverBorderColor',
+ hoverBorderWidth: 'pointHoverBorderWidth',
+ hoverRadius: 'pointHoverRadius',
+ pointStyle: 'pointStyle',
+ radius: 'pointRadius',
+ rotation: 'pointRotation'
+ },
+
+ /**
+ * @private
+ */
+ _getIndexScaleId: function() {
+ return this.chart.scale.id;
+ },
+
+ /**
+ * @private
+ */
+ _getValueScaleId: function() {
+ return this.chart.scale.id;
+ },
+
+ update: function(reset) {
+ var me = this;
+ var meta = me.getMeta();
+ var line = meta.dataset;
+ var points = meta.data || [];
+ var scale = me.chart.scale;
+ var config = me._config;
+ var i, ilen;
+
+ // Compatibility: If the properties are defined with only the old name, use those values
+ if (config.tension !== undefined && config.lineTension === undefined) {
+ config.lineTension = config.tension;
+ }
+
+ // Utility
+ line._scale = scale;
+ line._datasetIndex = me.index;
+ // Data
+ line._children = points;
+ line._loop = true;
+ // Model
+ line._model = me._resolveDatasetElementOptions(line);
+
+ line.pivot();
+
+ // Update Points
+ for (i = 0, ilen = points.length; i < ilen; ++i) {
+ me.updateElement(points[i], i, reset);
+ }
+
+ // Update bezier control points
+ me.updateBezierControlPoints();
+
+ // Now pivot the point for animation
+ for (i = 0, ilen = points.length; i < ilen; ++i) {
+ points[i].pivot();
+ }
+ },
+
+ updateElement: function(point, index, reset) {
+ var me = this;
+ var custom = point.custom || {};
+ var dataset = me.getDataset();
+ var scale = me.chart.scale;
+ var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);
+ var options = me._resolveDataElementOptions(point, index);
+ var lineModel = me.getMeta().dataset._model;
+ var x = reset ? scale.xCenter : pointPosition.x;
+ var y = reset ? scale.yCenter : pointPosition.y;
+
+ // Utility
+ point._scale = scale;
+ point._options = options;
+ point._datasetIndex = me.index;
+ point._index = index;
+
+ // Desired view properties
+ point._model = {
+ x: x, // value not used in dataset scale, but we want a consistent API between scales
+ y: y,
+ skip: custom.skip || isNaN(x) || isNaN(y),
+ // Appearance
+ radius: options.radius,
+ pointStyle: options.pointStyle,
+ rotation: options.rotation,
+ backgroundColor: options.backgroundColor,
+ borderColor: options.borderColor,
+ borderWidth: options.borderWidth,
+ tension: valueOrDefault$7(custom.tension, lineModel ? lineModel.tension : 0),
+
+ // Tooltip
+ hitRadius: options.hitRadius
+ };
+ },
+
+ /**
+ * @private
+ */
+ _resolveDatasetElementOptions: function() {
+ var me = this;
+ var config = me._config;
+ var options = me.chart.options;
+ var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments);
+
+ values.spanGaps = valueOrDefault$7(config.spanGaps, options.spanGaps);
+ values.tension = valueOrDefault$7(config.lineTension, options.elements.line.tension);
+
+ return values;
+ },
+
+ updateBezierControlPoints: function() {
+ var me = this;
+ var meta = me.getMeta();
+ var area = me.chart.chartArea;
+ var points = meta.data || [];
+ var i, ilen, model, controlPoints;
+
+ // Only consider points that are drawn in case the spanGaps option is used
+ if (meta.dataset._model.spanGaps) {
+ points = points.filter(function(pt) {
+ return !pt._model.skip;
+ });
+ }
+
+ function capControlPoint(pt, min, max) {
+ return Math.max(Math.min(pt, max), min);
+ }
+
+ for (i = 0, ilen = points.length; i < ilen; ++i) {
+ model = points[i]._model;
+ controlPoints = helpers$1.splineCurve(
+ helpers$1.previousItem(points, i, true)._model,
+ model,
+ helpers$1.nextItem(points, i, true)._model,
+ model.tension
+ );
+
+ // Prevent the bezier going outside of the bounds of the graph
+ model.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right);
+ model.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom);
+ model.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right);
+ model.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom);
+ }
+ },
+
+ setHoverStyle: function(point) {
+ var model = point._model;
+ var options = point._options;
+ var getHoverColor = helpers$1.getHoverColor;
+
+ point.$previousStyle = {
+ backgroundColor: model.backgroundColor,
+ borderColor: model.borderColor,
+ borderWidth: model.borderWidth,
+ radius: model.radius
+ };
+
+ model.backgroundColor = valueOrDefault$7(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
+ model.borderColor = valueOrDefault$7(options.hoverBorderColor, getHoverColor(options.borderColor));
+ model.borderWidth = valueOrDefault$7(options.hoverBorderWidth, options.borderWidth);
+ model.radius = valueOrDefault$7(options.hoverRadius, options.radius);
+ }
+});
+
+core_defaults._set('scatter', {
+ hover: {
+ mode: 'single'
+ },
+
+ scales: {
+ xAxes: [{
+ id: 'x-axis-1', // need an ID so datasets can reference the scale
+ type: 'linear', // scatter should not use a category axis
+ position: 'bottom'
+ }],
+ yAxes: [{
+ id: 'y-axis-1',
+ type: 'linear',
+ position: 'left'
+ }]
+ },
+
+ tooltips: {
+ callbacks: {
+ title: function() {
+ return ''; // doesn't make sense for scatter since data are formatted as a point
+ },
+ label: function(item) {
+ return '(' + item.xLabel + ', ' + item.yLabel + ')';
+ }
+ }
+ }
+});
+
+core_defaults._set('global', {
+ datasets: {
+ scatter: {
+ showLine: false
+ }
+ }
+});
+
+// Scatter charts use line controllers
+var controller_scatter = controller_line;
+
+// NOTE export a map in which the key represents the controller type, not
+// the class, and so must be CamelCase in order to be correctly retrieved
+// by the controller in core.controller.js (`controllers[meta.type]`).
+
+var controllers = {
+ bar: controller_bar,
+ bubble: controller_bubble,
+ doughnut: controller_doughnut,
+ horizontalBar: controller_horizontalBar,
+ line: controller_line,
+ polarArea: controller_polarArea,
+ pie: controller_pie,
+ radar: controller_radar,
+ scatter: controller_scatter
+};
+
+/**
+ * Helper function to get relative position for an event
+ * @param {Event|IEvent} event - The event to get the position for
+ * @param {Chart} chart - The chart
+ * @returns {object} the event position
+ */
+function getRelativePosition(e, chart) {
+ if (e.native) {
+ return {
+ x: e.x,
+ y: e.y
+ };
+ }
+
+ return helpers$1.getRelativePosition(e, chart);
+}
+
+/**
+ * Helper function to traverse all of the visible elements in the chart
+ * @param {Chart} chart - the chart
+ * @param {function} handler - the callback to execute for each visible item
+ */
+function parseVisibleItems(chart, handler) {
+ var metasets = chart._getSortedVisibleDatasetMetas();
+ var metadata, i, j, ilen, jlen, element;
+
+ for (i = 0, ilen = metasets.length; i < ilen; ++i) {
+ metadata = metasets[i].data;
+ for (j = 0, jlen = metadata.length; j < jlen; ++j) {
+ element = metadata[j];
+ if (!element._view.skip) {
+ handler(element);
+ }
+ }
+ }
+}
+
+/**
+ * Helper function to get the items that intersect the event position
+ * @param {ChartElement[]} items - elements to filter
+ * @param {object} position - the point to be nearest to
+ * @return {ChartElement[]} the nearest items
+ */
+function getIntersectItems(chart, position) {
+ var elements = [];
+
+ parseVisibleItems(chart, function(element) {
+ if (element.inRange(position.x, position.y)) {
+ elements.push(element);
+ }
+ });
+
+ return elements;
+}
+
+/**
+ * Helper function to get the items nearest to the event position considering all visible items in teh chart
+ * @param {Chart} chart - the chart to look at elements from
+ * @param {object} position - the point to be nearest to
+ * @param {boolean} intersect - if true, only consider items that intersect the position
+ * @param {function} distanceMetric - function to provide the distance between points
+ * @return {ChartElement[]} the nearest items
+ */
+function getNearestItems(chart, position, intersect, distanceMetric) {
+ var minDistance = Number.POSITIVE_INFINITY;
+ var nearestItems = [];
+
+ parseVisibleItems(chart, function(element) {
+ if (intersect && !element.inRange(position.x, position.y)) {
+ return;
+ }
+
+ var center = element.getCenterPoint();
+ var distance = distanceMetric(position, center);
+ if (distance < minDistance) {
+ nearestItems = [element];
+ minDistance = distance;
+ } else if (distance === minDistance) {
+ // Can have multiple items at the same distance in which case we sort by size
+ nearestItems.push(element);
+ }
+ });
+
+ return nearestItems;
+}
+
+/**
+ * Get a distance metric function for two points based on the
+ * axis mode setting
+ * @param {string} axis - the axis mode. x|y|xy
+ */
+function getDistanceMetricForAxis(axis) {
+ var useX = axis.indexOf('x') !== -1;
+ var useY = axis.indexOf('y') !== -1;
+
+ return function(pt1, pt2) {
+ var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;
+ var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;
+ return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));
+ };
+}
+
+function indexMode(chart, e, options) {
+ var position = getRelativePosition(e, chart);
+ // Default axis for index mode is 'x' to match old behaviour
+ options.axis = options.axis || 'x';
+ var distanceMetric = getDistanceMetricForAxis(options.axis);
+ var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);
+ var elements = [];
+
+ if (!items.length) {
+ return [];
+ }
+
+ chart._getSortedVisibleDatasetMetas().forEach(function(meta) {
+ var element = meta.data[items[0]._index];
+
+ // don't count items that are skipped (null data)
+ if (element && !element._view.skip) {
+ elements.push(element);
+ }
+ });
+
+ return elements;
+}
+
+/**
+ * @interface IInteractionOptions
+ */
+/**
+ * If true, only consider items that intersect the point
+ * @name IInterfaceOptions#boolean
+ * @type Boolean
+ */
+
+/**
+ * Contains interaction related functions
+ * @namespace Chart.Interaction
+ */
+var core_interaction = {
+ // Helper function for different modes
+ modes: {
+ single: function(chart, e) {
+ var position = getRelativePosition(e, chart);
+ var elements = [];
+
+ parseVisibleItems(chart, function(element) {
+ if (element.inRange(position.x, position.y)) {
+ elements.push(element);
+ return elements;
+ }
+ });
+
+ return elements.slice(0, 1);
+ },
+
+ /**
+ * @function Chart.Interaction.modes.label
+ * @deprecated since version 2.4.0
+ * @todo remove at version 3
+ * @private
+ */
+ label: indexMode,
+
+ /**
+ * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something
+ * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item
+ * @function Chart.Interaction.modes.index
+ * @since v2.4.0
+ * @param {Chart} chart - the chart we are returning items from
+ * @param {Event} e - the event we are find things at
+ * @param {IInteractionOptions} options - options to use during interaction
+ * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+ */
+ index: indexMode,
+
+ /**
+ * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something
+ * If the options.intersect is false, we find the nearest item and return the items in that dataset
+ * @function Chart.Interaction.modes.dataset
+ * @param {Chart} chart - the chart we are returning items from
+ * @param {Event} e - the event we are find things at
+ * @param {IInteractionOptions} options - options to use during interaction
+ * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+ */
+ dataset: function(chart, e, options) {
+ var position = getRelativePosition(e, chart);
+ options.axis = options.axis || 'xy';
+ var distanceMetric = getDistanceMetricForAxis(options.axis);
+ var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);
+
+ if (items.length > 0) {
+ items = chart.getDatasetMeta(items[0]._datasetIndex).data;
+ }
+
+ return items;
+ },
+
+ /**
+ * @function Chart.Interaction.modes.x-axis
+ * @deprecated since version 2.4.0. Use index mode and intersect == true
+ * @todo remove at version 3
+ * @private
+ */
+ 'x-axis': function(chart, e) {
+ return indexMode(chart, e, {intersect: false});
+ },
+
+ /**
+ * Point mode returns all elements that hit test based on the event position
+ * of the event
+ * @function Chart.Interaction.modes.intersect
+ * @param {Chart} chart - the chart we are returning items from
+ * @param {Event} e - the event we are find things at
+ * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+ */
+ point: function(chart, e) {
+ var position = getRelativePosition(e, chart);
+ return getIntersectItems(chart, position);
+ },
+
+ /**
+ * nearest mode returns the element closest to the point
+ * @function Chart.Interaction.modes.intersect
+ * @param {Chart} chart - the chart we are returning items from
+ * @param {Event} e - the event we are find things at
+ * @param {IInteractionOptions} options - options to use
+ * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+ */
+ nearest: function(chart, e, options) {
+ var position = getRelativePosition(e, chart);
+ options.axis = options.axis || 'xy';
+ var distanceMetric = getDistanceMetricForAxis(options.axis);
+ return getNearestItems(chart, position, options.intersect, distanceMetric);
+ },
+
+ /**
+ * x mode returns the elements that hit-test at the current x coordinate
+ * @function Chart.Interaction.modes.x
+ * @param {Chart} chart - the chart we are returning items from
+ * @param {Event} e - the event we are find things at
+ * @param {IInteractionOptions} options - options to use
+ * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+ */
+ x: function(chart, e, options) {
+ var position = getRelativePosition(e, chart);
+ var items = [];
+ var intersectsItem = false;
+
+ parseVisibleItems(chart, function(element) {
+ if (element.inXRange(position.x)) {
+ items.push(element);
+ }
+
+ if (element.inRange(position.x, position.y)) {
+ intersectsItem = true;
+ }
+ });
+
+ // If we want to trigger on an intersect and we don't have any items
+ // that intersect the position, return nothing
+ if (options.intersect && !intersectsItem) {
+ items = [];
+ }
+ return items;
+ },
+
+ /**
+ * y mode returns the elements that hit-test at the current y coordinate
+ * @function Chart.Interaction.modes.y
+ * @param {Chart} chart - the chart we are returning items from
+ * @param {Event} e - the event we are find things at
+ * @param {IInteractionOptions} options - options to use
+ * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
+ */
+ y: function(chart, e, options) {
+ var position = getRelativePosition(e, chart);
+ var items = [];
+ var intersectsItem = false;
+
+ parseVisibleItems(chart, function(element) {
+ if (element.inYRange(position.y)) {
+ items.push(element);
+ }
+
+ if (element.inRange(position.x, position.y)) {
+ intersectsItem = true;
+ }
+ });
+
+ // If we want to trigger on an intersect and we don't have any items
+ // that intersect the position, return nothing
+ if (options.intersect && !intersectsItem) {
+ items = [];
+ }
+ return items;
+ }
+ }
+};
+
+var extend = helpers$1.extend;
+
+function filterByPosition(array, position) {
+ return helpers$1.where(array, function(v) {
+ return v.pos === position;
+ });
+}
+
+function sortByWeight(array, reverse) {
+ return array.sort(function(a, b) {
+ var v0 = reverse ? b : a;
+ var v1 = reverse ? a : b;
+ return v0.weight === v1.weight ?
+ v0.index - v1.index :
+ v0.weight - v1.weight;
+ });
+}
+
+function wrapBoxes(boxes) {
+ var layoutBoxes = [];
+ var i, ilen, box;
+
+ for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) {
+ box = boxes[i];
+ layoutBoxes.push({
+ index: i,
+ box: box,
+ pos: box.position,
+ horizontal: box.isHorizontal(),
+ weight: box.weight
+ });
+ }
+ return layoutBoxes;
+}
+
+function setLayoutDims(layouts, params) {
+ var i, ilen, layout;
+ for (i = 0, ilen = layouts.length; i < ilen; ++i) {
+ layout = layouts[i];
+ // store width used instead of chartArea.w in fitBoxes
+ layout.width = layout.horizontal
+ ? layout.box.fullWidth && params.availableWidth
+ : params.vBoxMaxWidth;
+ // store height used instead of chartArea.h in fitBoxes
+ layout.height = layout.horizontal && params.hBoxMaxHeight;
+ }
+}
+
+function buildLayoutBoxes(boxes) {
+ var layoutBoxes = wrapBoxes(boxes);
+ var left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true);
+ var right = sortByWeight(filterByPosition(layoutBoxes, 'right'));
+ var top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true);
+ var bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom'));
+
+ return {
+ leftAndTop: left.concat(top),
+ rightAndBottom: right.concat(bottom),
+ chartArea: filterByPosition(layoutBoxes, 'chartArea'),
+ vertical: left.concat(right),
+ horizontal: top.concat(bottom)
+ };
+}
+
+function getCombinedMax(maxPadding, chartArea, a, b) {
+ return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]);
+}
+
+function updateDims(chartArea, params, layout) {
+ var box = layout.box;
+ var maxPadding = chartArea.maxPadding;
+ var newWidth, newHeight;
+
+ if (layout.size) {
+ // this layout was already counted for, lets first reduce old size
+ chartArea[layout.pos] -= layout.size;
+ }
+ layout.size = layout.horizontal ? box.height : box.width;
+ chartArea[layout.pos] += layout.size;
+
+ if (box.getPadding) {
+ var boxPadding = box.getPadding();
+ maxPadding.top = Math.max(maxPadding.top, boxPadding.top);
+ maxPadding.left = Math.max(maxPadding.left, boxPadding.left);
+ maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom);
+ maxPadding.right = Math.max(maxPadding.right, boxPadding.right);
+ }
+
+ newWidth = params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right');
+ newHeight = params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom');
+
+ if (newWidth !== chartArea.w || newHeight !== chartArea.h) {
+ chartArea.w = newWidth;
+ chartArea.h = newHeight;
+
+ // return true if chart area changed in layout's direction
+ return layout.horizontal ? newWidth !== chartArea.w : newHeight !== chartArea.h;
+ }
+}
+
+function handleMaxPadding(chartArea) {
+ var maxPadding = chartArea.maxPadding;
+
+ function updatePos(pos) {
+ var change = Math.max(maxPadding[pos] - chartArea[pos], 0);
+ chartArea[pos] += change;
+ return change;
+ }
+ chartArea.y += updatePos('top');
+ chartArea.x += updatePos('left');
+ updatePos('right');
+ updatePos('bottom');
+}
+
+function getMargins(horizontal, chartArea) {
+ var maxPadding = chartArea.maxPadding;
+
+ function marginForPositions(positions) {
+ var margin = {left: 0, top: 0, right: 0, bottom: 0};
+ positions.forEach(function(pos) {
+ margin[pos] = Math.max(chartArea[pos], maxPadding[pos]);
+ });
+ return margin;
+ }
+
+ return horizontal
+ ? marginForPositions(['left', 'right'])
+ : marginForPositions(['top', 'bottom']);
+}
+
+function fitBoxes(boxes, chartArea, params) {
+ var refitBoxes = [];
+ var i, ilen, layout, box, refit, changed;
+
+ for (i = 0, ilen = boxes.length; i < ilen; ++i) {
+ layout = boxes[i];
+ box = layout.box;
+
+ box.update(
+ layout.width || chartArea.w,
+ layout.height || chartArea.h,
+ getMargins(layout.horizontal, chartArea)
+ );
+ if (updateDims(chartArea, params, layout)) {
+ changed = true;
+ if (refitBoxes.length) {
+ // Dimensions changed and there were non full width boxes before this
+ // -> we have to refit those
+ refit = true;
+ }
+ }
+ if (!box.fullWidth) { // fullWidth boxes don't need to be re-fitted in any case
+ refitBoxes.push(layout);
+ }
+ }
+
+ return refit ? fitBoxes(refitBoxes, chartArea, params) || changed : changed;
+}
+
+function placeBoxes(boxes, chartArea, params) {
+ var userPadding = params.padding;
+ var x = chartArea.x;
+ var y = chartArea.y;
+ var i, ilen, layout, box;
+
+ for (i = 0, ilen = boxes.length; i < ilen; ++i) {
+ layout = boxes[i];
+ box = layout.box;
+ if (layout.horizontal) {
+ box.left = box.fullWidth ? userPadding.left : chartArea.left;
+ box.right = box.fullWidth ? params.outerWidth - userPadding.right : chartArea.left + chartArea.w;
+ box.top = y;
+ box.bottom = y + box.height;
+ box.width = box.right - box.left;
+ y = box.bottom;
+ } else {
+ box.left = x;
+ box.right = x + box.width;
+ box.top = chartArea.top;
+ box.bottom = chartArea.top + chartArea.h;
+ box.height = box.bottom - box.top;
+ x = box.right;
+ }
+ }
+
+ chartArea.x = x;
+ chartArea.y = y;
+}
+
+core_defaults._set('global', {
+ layout: {
+ padding: {
+ top: 0,
+ right: 0,
+ bottom: 0,
+ left: 0
+ }
+ }
+});
+
+/**
+ * @interface ILayoutItem
+ * @prop {string} position - The position of the item in the chart layout. Possible values are
+ * 'left', 'top', 'right', 'bottom', and 'chartArea'
+ * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area
+ * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down
+ * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)
+ * @prop {function} update - Takes two parameters: width and height. Returns size of item
+ * @prop {function} getPadding - Returns an object with padding on the edges
+ * @prop {number} width - Width of item. Must be valid after update()
+ * @prop {number} height - Height of item. Must be valid after update()
+ * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update
+ * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update
+ * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update
+ * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update
+ */
+
+// The layout service is very self explanatory. It's responsible for the layout within a chart.
+// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need
+// It is this service's responsibility of carrying out that layout.
+var core_layouts = {
+ defaults: {},
+
+ /**
+ * Register a box to a chart.
+ * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.
+ * @param {Chart} chart - the chart to use
+ * @param {ILayoutItem} item - the item to add to be layed out
+ */
+ addBox: function(chart, item) {
+ if (!chart.boxes) {
+ chart.boxes = [];
+ }
+
+ // initialize item with default values
+ item.fullWidth = item.fullWidth || false;
+ item.position = item.position || 'top';
+ item.weight = item.weight || 0;
+ item._layers = item._layers || function() {
+ return [{
+ z: 0,
+ draw: function() {
+ item.draw.apply(item, arguments);
+ }
+ }];
+ };
+
+ chart.boxes.push(item);
+ },
+
+ /**
+ * Remove a layoutItem from a chart
+ * @param {Chart} chart - the chart to remove the box from
+ * @param {ILayoutItem} layoutItem - the item to remove from the layout
+ */
+ removeBox: function(chart, layoutItem) {
+ var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;
+ if (index !== -1) {
+ chart.boxes.splice(index, 1);
+ }
+ },
+
+ /**
+ * Sets (or updates) options on the given `item`.
+ * @param {Chart} chart - the chart in which the item lives (or will be added to)
+ * @param {ILayoutItem} item - the item to configure with the given options
+ * @param {object} options - the new item options.
+ */
+ configure: function(chart, item, options) {
+ var props = ['fullWidth', 'position', 'weight'];
+ var ilen = props.length;
+ var i = 0;
+ var prop;
+
+ for (; i < ilen; ++i) {
+ prop = props[i];
+ if (options.hasOwnProperty(prop)) {
+ item[prop] = options[prop];
+ }
+ }
+ },
+
+ /**
+ * Fits boxes of the given chart into the given size by having each box measure itself
+ * then running a fitting algorithm
+ * @param {Chart} chart - the chart
+ * @param {number} width - the width to fit into
+ * @param {number} height - the height to fit into
+ */
+ update: function(chart, width, height) {
+ if (!chart) {
+ return;
+ }
+
+ var layoutOptions = chart.options.layout || {};
+ var padding = helpers$1.options.toPadding(layoutOptions.padding);
+
+ var availableWidth = width - padding.width;
+ var availableHeight = height - padding.height;
+ var boxes = buildLayoutBoxes(chart.boxes);
+ var verticalBoxes = boxes.vertical;
+ var horizontalBoxes = boxes.horizontal;
+
+ // Essentially we now have any number of boxes on each of the 4 sides.
+ // Our canvas looks like the following.
+ // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and
+ // B1 is the bottom axis
+ // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays
+ // These locations are single-box locations only, when trying to register a chartArea location that is already taken,
+ // an error will be thrown.
+ //
+ // |----------------------------------------------------|
+ // | T1 (Full Width) |
+ // |----------------------------------------------------|
+ // | | | T2 | |
+ // | |----|-------------------------------------|----|
+ // | | | C1 | | C2 | |
+ // | | |----| |----| |
+ // | | | | |
+ // | L1 | L2 | ChartArea (C0) | R1 |
+ // | | | | |
+ // | | |----| |----| |
+ // | | | C3 | | C4 | |
+ // | |----|-------------------------------------|----|
+ // | | | B1 | |
+ // |----------------------------------------------------|
+ // | B2 (Full Width) |
+ // |----------------------------------------------------|
+ //
+
+ var params = Object.freeze({
+ outerWidth: width,
+ outerHeight: height,
+ padding: padding,
+ availableWidth: availableWidth,
+ vBoxMaxWidth: availableWidth / 2 / verticalBoxes.length,
+ hBoxMaxHeight: availableHeight / 2
+ });
+ var chartArea = extend({
+ maxPadding: extend({}, padding),
+ w: availableWidth,
+ h: availableHeight,
+ x: padding.left,
+ y: padding.top
+ }, padding);
+
+ setLayoutDims(verticalBoxes.concat(horizontalBoxes), params);
+
+ // First fit vertical boxes
+ fitBoxes(verticalBoxes, chartArea, params);
+
+ // Then fit horizontal boxes
+ if (fitBoxes(horizontalBoxes, chartArea, params)) {
+ // if the area changed, re-fit vertical boxes
+ fitBoxes(verticalBoxes, chartArea, params);
+ }
+
+ handleMaxPadding(chartArea);
+
+ // Finally place the boxes to correct coordinates
+ placeBoxes(boxes.leftAndTop, chartArea, params);
+
+ // Move to opposite side of chart
+ chartArea.x += chartArea.w;
+ chartArea.y += chartArea.h;
+
+ placeBoxes(boxes.rightAndBottom, chartArea, params);
+
+ chart.chartArea = {
+ left: chartArea.left,
+ top: chartArea.top,
+ right: chartArea.left + chartArea.w,
+ bottom: chartArea.top + chartArea.h
+ };
+
+ // Finally update boxes in chartArea (radial scale for example)
+ helpers$1.each(boxes.chartArea, function(layout) {
+ var box = layout.box;
+ extend(box, chart.chartArea);
+ box.update(chartArea.w, chartArea.h);
+ });
+ }
+};
+
+/**
+ * Platform fallback implementation (minimal).
+ * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939
+ */
+
+var platform_basic = {
+ acquireContext: function(item) {
+ if (item && item.canvas) {
+ // Support for any object associated to a canvas (including a context2d)
+ item = item.canvas;
+ }
+
+ return item && item.getContext('2d') || null;
+ }
+};
+
+var platform_dom = "/*\n * DOM element rendering detection\n * https://davidwalsh.name/detect-node-insertion\n */\n@keyframes chartjs-render-animation {\n\tfrom { opacity: 0.99; }\n\tto { opacity: 1; }\n}\n\n.chartjs-render-monitor {\n\tanimation: chartjs-render-animation 0.001s;\n}\n\n/*\n * DOM element resizing detection\n * https://github.com/marcj/css-element-queries\n */\n.chartjs-size-monitor,\n.chartjs-size-monitor-expand,\n.chartjs-size-monitor-shrink {\n\tposition: absolute;\n\tdirection: ltr;\n\tleft: 0;\n\ttop: 0;\n\tright: 0;\n\tbottom: 0;\n\toverflow: hidden;\n\tpointer-events: none;\n\tvisibility: hidden;\n\tz-index: -1;\n}\n\n.chartjs-size-monitor-expand > div {\n\tposition: absolute;\n\twidth: 1000000px;\n\theight: 1000000px;\n\tleft: 0;\n\ttop: 0;\n}\n\n.chartjs-size-monitor-shrink > div {\n\tposition: absolute;\n\twidth: 200%;\n\theight: 200%;\n\tleft: 0;\n\ttop: 0;\n}\n";
+
+var platform_dom$1 = /*#__PURE__*/Object.freeze({
+__proto__: null,
+'default': platform_dom
+});
+
+var stylesheet = getCjsExportFromNamespace(platform_dom$1);
+
+var EXPANDO_KEY = '$chartjs';
+var CSS_PREFIX = 'chartjs-';
+var CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor';
+var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';
+var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';
+var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];
+
+/**
+ * DOM event types -> Chart.js event types.
+ * Note: only events with different types are mapped.
+ * @see https://developer.mozilla.org/en-US/docs/Web/Events
+ */
+var EVENT_TYPES = {
+ touchstart: 'mousedown',
+ touchmove: 'mousemove',
+ touchend: 'mouseup',
+ pointerenter: 'mouseenter',
+ pointerdown: 'mousedown',
+ pointermove: 'mousemove',
+ pointerup: 'mouseup',
+ pointerleave: 'mouseout',
+ pointerout: 'mouseout'
+};
+
+/**
+ * The "used" size is the final value of a dimension property after all calculations have
+ * been performed. This method uses the computed style of `element` but returns undefined
+ * if the computed style is not expressed in pixels. That can happen in some cases where
+ * `element` has a size relative to its parent and this last one is not yet displayed,
+ * for example because of `display: none` on a parent node.
+ * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value
+ * @returns {number} Size in pixels or undefined if unknown.
+ */
+function readUsedSize(element, property) {
+ var value = helpers$1.getStyle(element, property);
+ var matches = value && value.match(/^(\d+)(\.\d+)?px$/);
+ return matches ? Number(matches[1]) : undefined;
+}
+
+/**
+ * Initializes the canvas style and render size without modifying the canvas display size,
+ * since responsiveness is handled by the controller.resize() method. The config is used
+ * to determine the aspect ratio to apply in case no explicit height has been specified.
+ */
+function initCanvas(canvas, config) {
+ var style = canvas.style;
+
+ // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it
+ // returns null or '' if no explicit value has been set to the canvas attribute.
+ var renderHeight = canvas.getAttribute('height');
+ var renderWidth = canvas.getAttribute('width');
+
+ // Chart.js modifies some canvas values that we want to restore on destroy
+ canvas[EXPANDO_KEY] = {
+ initial: {
+ height: renderHeight,
+ width: renderWidth,
+ style: {
+ display: style.display,
+ height: style.height,
+ width: style.width
+ }
+ }
+ };
+
+ // Force canvas to display as block to avoid extra space caused by inline
+ // elements, which would interfere with the responsive resize process.
+ // https://github.com/chartjs/Chart.js/issues/2538
+ style.display = style.display || 'block';
+
+ if (renderWidth === null || renderWidth === '') {
+ var displayWidth = readUsedSize(canvas, 'width');
+ if (displayWidth !== undefined) {
+ canvas.width = displayWidth;
+ }
+ }
+
+ if (renderHeight === null || renderHeight === '') {
+ if (canvas.style.height === '') {
+ // If no explicit render height and style height, let's apply the aspect ratio,
+ // which one can be specified by the user but also by charts as default option
+ // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.
+ canvas.height = canvas.width / (config.options.aspectRatio || 2);
+ } else {
+ var displayHeight = readUsedSize(canvas, 'height');
+ if (displayWidth !== undefined) {
+ canvas.height = displayHeight;
+ }
+ }
+ }
+
+ return canvas;
+}
+
+/**
+ * Detects support for options object argument in addEventListener.
+ * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support
+ * @private
+ */
+var supportsEventListenerOptions = (function() {
+ var supports = false;
+ try {
+ var options = Object.defineProperty({}, 'passive', {
+ // eslint-disable-next-line getter-return
+ get: function() {
+ supports = true;
+ }
+ });
+ window.addEventListener('e', null, options);
+ } catch (e) {
+ // continue regardless of error
+ }
+ return supports;
+}());
+
+// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.
+// https://github.com/chartjs/Chart.js/issues/4287
+var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;
+
+function addListener(node, type, listener) {
+ node.addEventListener(type, listener, eventListenerOptions);
+}
+
+function removeListener(node, type, listener) {
+ node.removeEventListener(type, listener, eventListenerOptions);
+}
+
+function createEvent(type, chart, x, y, nativeEvent) {
+ return {
+ type: type,
+ chart: chart,
+ native: nativeEvent || null,
+ x: x !== undefined ? x : null,
+ y: y !== undefined ? y : null,
+ };
+}
+
+function fromNativeEvent(event, chart) {
+ var type = EVENT_TYPES[event.type] || event.type;
+ var pos = helpers$1.getRelativePosition(event, chart);
+ return createEvent(type, chart, pos.x, pos.y, event);
+}
+
+function throttled(fn, thisArg) {
+ var ticking = false;
+ var args = [];
+
+ return function() {
+ args = Array.prototype.slice.call(arguments);
+ thisArg = thisArg || this;
+
+ if (!ticking) {
+ ticking = true;
+ helpers$1.requestAnimFrame.call(window, function() {
+ ticking = false;
+ fn.apply(thisArg, args);
+ });
+ }
+ };
+}
+
+function createDiv(cls) {
+ var el = document.createElement('div');
+ el.className = cls || '';
+ return el;
+}
+
+// Implementation based on https://github.com/marcj/css-element-queries
+function createResizer(handler) {
+ var maxSize = 1000000;
+
+ // NOTE(SB) Don't use innerHTML because it could be considered unsafe.
+ // https://github.com/chartjs/Chart.js/issues/5902
+ var resizer = createDiv(CSS_SIZE_MONITOR);
+ var expand = createDiv(CSS_SIZE_MONITOR + '-expand');
+ var shrink = createDiv(CSS_SIZE_MONITOR + '-shrink');
+
+ expand.appendChild(createDiv());
+ shrink.appendChild(createDiv());
+
+ resizer.appendChild(expand);
+ resizer.appendChild(shrink);
+ resizer._reset = function() {
+ expand.scrollLeft = maxSize;
+ expand.scrollTop = maxSize;
+ shrink.scrollLeft = maxSize;
+ shrink.scrollTop = maxSize;
+ };
+
+ var onScroll = function() {
+ resizer._reset();
+ handler();
+ };
+
+ addListener(expand, 'scroll', onScroll.bind(expand, 'expand'));
+ addListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));
+
+ return resizer;
+}
+
+// https://davidwalsh.name/detect-node-insertion
+function watchForRender(node, handler) {
+ var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});
+ var proxy = expando.renderProxy = function(e) {
+ if (e.animationName === CSS_RENDER_ANIMATION) {
+ handler();
+ }
+ };
+
+ helpers$1.each(ANIMATION_START_EVENTS, function(type) {
+ addListener(node, type, proxy);
+ });
+
+ // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class
+ // is removed then added back immediately (same animation frame?). Accessing the
+ // `offsetParent` property will force a reflow and re-evaluate the CSS animation.
+ // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics
+ // https://github.com/chartjs/Chart.js/issues/4737
+ expando.reflow = !!node.offsetParent;
+
+ node.classList.add(CSS_RENDER_MONITOR);
+}
+
+function unwatchForRender(node) {
+ var expando = node[EXPANDO_KEY] || {};
+ var proxy = expando.renderProxy;
+
+ if (proxy) {
+ helpers$1.each(ANIMATION_START_EVENTS, function(type) {
+ removeListener(node, type, proxy);
+ });
+
+ delete expando.renderProxy;
+ }
+
+ node.classList.remove(CSS_RENDER_MONITOR);
+}
+
+function addResizeListener(node, listener, chart) {
+ var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});
+
+ // Let's keep track of this added resizer and thus avoid DOM query when removing it.
+ var resizer = expando.resizer = createResizer(throttled(function() {
+ if (expando.resizer) {
+ var container = chart.options.maintainAspectRatio && node.parentNode;
+ var w = container ? container.clientWidth : 0;
+ listener(createEvent('resize', chart));
+ if (container && container.clientWidth < w && chart.canvas) {
+ // If the container size shrank during chart resize, let's assume
+ // scrollbar appeared. So we resize again with the scrollbar visible -
+ // effectively making chart smaller and the scrollbar hidden again.
+ // Because we are inside `throttled`, and currently `ticking`, scroll
+ // events are ignored during this whole 2 resize process.
+ // If we assumed wrong and something else happened, we are resizing
+ // twice in a frame (potential performance issue)
+ listener(createEvent('resize', chart));
+ }
+ }
+ }));
+
+ // The resizer needs to be attached to the node parent, so we first need to be
+ // sure that `node` is attached to the DOM before injecting the resizer element.
+ watchForRender(node, function() {
+ if (expando.resizer) {
+ var container = node.parentNode;
+ if (container && container !== resizer.parentNode) {
+ container.insertBefore(resizer, container.firstChild);
+ }
+
+ // The container size might have changed, let's reset the resizer state.
+ resizer._reset();
+ }
+ });
+}
+
+function removeResizeListener(node) {
+ var expando = node[EXPANDO_KEY] || {};
+ var resizer = expando.resizer;
+
+ delete expando.resizer;
+ unwatchForRender(node);
+
+ if (resizer && resizer.parentNode) {
+ resizer.parentNode.removeChild(resizer);
+ }
+}
+
+/**
+ * Injects CSS styles inline if the styles are not already present.
+ * @param {HTMLDocument|ShadowRoot} rootNode - the node to contain the