diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..7bed9f1 --- /dev/null +++ b/Makefile @@ -0,0 +1,12 @@ +.DEFAULT_GOAL := help +.PHONY = help + +help: + @grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' + + +changelog: ## compile changelog + git changelog -c conventional -o CHANGELOG.md + +vendor: + cp node_modules/chart.js/dist/chart.umd.js ckanext/charts/assets/vendor/chart.js diff --git a/ckanext/charts/assets/js/charts-chartjs.js b/ckanext/charts/assets/js/charts-chartjs.js index 47af457..c9971df 100644 --- a/ckanext/charts/assets/js/charts-chartjs.js +++ b/ckanext/charts/assets/js/charts-chartjs.js @@ -1,6 +1,32 @@ ckan.module("charts-chartjs", function ($) { "use strict"; - const DEFAULT_SCALE = {grace: "5%", ticks: {precision: 0}}; + // HTMX extension for in-place chart updates + + $(document).ready(function () { + window.htmx && + htmx.defineExtension("ckanext-charts:chartjs", { + transformResponse: function (text, xhr, elt) { + console.log("hey ho"); + const targetId = elt.getAttribute("data-charts-target"); + if (!targetId) { + console.log( + "'data-charts-target' is missinf from %o", + elt + ); + } + + const container = document.getElementById(targetId); + const canvas = container.querySelector("canvas"); + const chart = Chart.getChart(canvas); + + const data = JSON.parse(text); + Object.assign(chart.data, data); + chart.update(); + return ""; + }, + }); + }); + const DEFAULT_SCALE = { grace: "5%", ticks: { precision: 0 } }; function fakeData() { const labels = [ @@ -36,15 +62,15 @@ ckan.module("charts-chartjs", function ($) { dataAction: null, actionParams: null, options: {}, - defaultOptions: { - scales: { - x: DEFAULT_SCALE, y: DEFAULT_SCALE - }, - borderWidth: 1, + defaultOptions: { + scales: { + x: DEFAULT_SCALE, + y: DEFAULT_SCALE, + }, + borderWidth: 1, // backgroundColor: "#EE0000", // borderColor: "grey", - - } + }, }, initialize: function () { @@ -63,39 +89,21 @@ ckan.module("charts-chartjs", function ($) { const data = await this.getData(); const type = this.options.type; + console.log(options); this.chart = new Chart(ctx, { type, data, options }); }, getOptions: function () { - return $.extend(true, {}, this.options.defaultOptions, this.options.options); + return $.extend( + true, + {}, + this.options.defaultOptions, + this.options.options + ); }, getData: async function () { - const { - data: data, - dataUrl: url, - dataAction: action, - actionParams: params, - } = this.options; - - if (action) { - const remoteData = await new Promise((ok, err) => - this.sandbox.client.call( - "GET", - action, - "?" + new URLSearchParams(params), - (resp) => ok(resp.success ? resp.result : null), - (error) => { - console.warn("Data fetch error", err); - ok(null); - } - ) - ); - - return remoteData; - } else { - return data || fakeData(); - } + return this.options.data || fakeData(); }, }; }); diff --git a/ckanext/charts/assets/vendor/chart.js b/ckanext/charts/assets/vendor/chart.js index 86f5851..d25d443 100644 --- a/ckanext/charts/assets/vendor/chart.js +++ b/ckanext/charts/assets/vendor/chart.js @@ -1,13222 +1,14 @@ /*! - * Chart.js v3.5.1 + * Chart.js v4.4.0 * https://www.chartjs.org - * (c) 2021 Chart.js Contributors + * (c) 2023 Chart.js Contributors * Released under the MIT License */ -(function (global, factory) { -typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : -typeof define === 'function' && define.amd ? define(factory) : -(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Chart = factory()); -}(this, (function () { 'use strict'; - -function fontString(pixelSize, fontStyle, fontFamily) { - return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; -} -const requestAnimFrame = (function() { - if (typeof window === 'undefined') { - return function(callback) { - return callback(); - }; - } - return window.requestAnimationFrame; -}()); -function throttled(fn, thisArg, updateFn) { - const updateArgs = updateFn || ((args) => Array.prototype.slice.call(args)); - let ticking = false; - let args = []; - return function(...rest) { - args = updateArgs(rest); - if (!ticking) { - ticking = true; - requestAnimFrame.call(window, () => { - ticking = false; - fn.apply(thisArg, args); - }); - } - }; -} -function debounce(fn, delay) { - let timeout; - return function() { - if (delay) { - clearTimeout(timeout); - timeout = setTimeout(fn, delay); - } else { - fn(); - } - return delay; - }; -} -const _toLeftRightCenter = (align) => align === 'start' ? 'left' : align === 'end' ? 'right' : 'center'; -const _alignStartEnd = (align, start, end) => align === 'start' ? start : align === 'end' ? end : (start + end) / 2; -const _textX = (align, left, right, rtl) => { - const check = rtl ? 'left' : 'right'; - return align === check ? right : align === 'center' ? (left + right) / 2 : left; -}; - -class Animator { - constructor() { - this._request = null; - this._charts = new Map(); - this._running = false; - this._lastDate = undefined; - } - _notify(chart, anims, date, type) { - const callbacks = anims.listeners[type]; - const numSteps = anims.duration; - callbacks.forEach(fn => fn({ - chart, - initial: anims.initial, - numSteps, - currentStep: Math.min(date - anims.start, numSteps) - })); - } - _refresh() { - const me = this; - if (me._request) { - return; - } - me._running = true; - me._request = requestAnimFrame.call(window, () => { - me._update(); - me._request = null; - if (me._running) { - me._refresh(); - } - }); - } - _update(date = Date.now()) { - const me = this; - let remaining = 0; - me._charts.forEach((anims, chart) => { - if (!anims.running || !anims.items.length) { - return; - } - const items = anims.items; - let i = items.length - 1; - let draw = false; - let item; - for (; i >= 0; --i) { - item = items[i]; - if (item._active) { - if (item._total > anims.duration) { - anims.duration = item._total; - } - item.tick(date); - draw = true; - } else { - items[i] = items[items.length - 1]; - items.pop(); - } - } - if (draw) { - chart.draw(); - me._notify(chart, anims, date, 'progress'); - } - if (!items.length) { - anims.running = false; - me._notify(chart, anims, date, 'complete'); - anims.initial = false; - } - remaining += items.length; - }); - me._lastDate = date; - if (remaining === 0) { - me._running = false; - } - } - _getAnims(chart) { - const charts = this._charts; - let anims = charts.get(chart); - if (!anims) { - anims = { - running: false, - initial: true, - items: [], - listeners: { - complete: [], - progress: [] - } - }; - charts.set(chart, anims); - } - return anims; - } - listen(chart, event, cb) { - this._getAnims(chart).listeners[event].push(cb); - } - add(chart, items) { - if (!items || !items.length) { - return; - } - this._getAnims(chart).items.push(...items); - } - has(chart) { - return this._getAnims(chart).items.length > 0; - } - start(chart) { - const anims = this._charts.get(chart); - if (!anims) { - return; - } - anims.running = true; - anims.start = Date.now(); - anims.duration = anims.items.reduce((acc, cur) => Math.max(acc, cur._duration), 0); - this._refresh(); - } - running(chart) { - if (!this._running) { - return false; - } - const anims = this._charts.get(chart); - if (!anims || !anims.running || !anims.items.length) { - return false; - } - return true; - } - stop(chart) { - const anims = this._charts.get(chart); - if (!anims || !anims.items.length) { - return; - } - const items = anims.items; - let i = items.length - 1; - for (; i >= 0; --i) { - items[i].cancel(); - } - anims.items = []; - this._notify(chart, anims, Date.now(), 'complete'); - } - remove(chart) { - return this._charts.delete(chart); - } -} -var animator = new Animator(); - +!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof 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this._getAnims(t).items.length>0}start(t){const e=this._charts.get(t);e&&(e.running=!0,e.start=Date.now(),e.duration=e.items.reduce(((t,e)=>Math.max(t,e._duration)),0),this._refresh())}running(t){if(!this._running)return!1;const e=this._charts.get(t);return!!(e&&e.running&&e.items.length)}stop(t){const e=this._charts.get(t);if(!e||!e.items.length)return;const i=e.items;let s=i.length-1;for(;s>=0;--s)i[s].cancel();e.items=[],this._notify(t,e,Date.now(),"complete")}remove(t){return this._charts.delete(t)}}var xt=new bt; /*! - * @kurkle/color v0.1.9 + * @kurkle/color v0.3.2 * https://github.com/kurkle/color#readme - * (c) 2020 Jukka Kurkela + * (c) 2023 Jukka Kurkela * Released under the MIT License - */ -const map$1 = {0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, A: 10, B: 11, C: 12, D: 13, E: 14, F: 15, a: 10, b: 11, c: 12, d: 13, e: 14, f: 15}; -const hex = '0123456789ABCDEF'; -const h1 = (b) => hex[b & 0xF]; -const h2 = (b) => hex[(b & 0xF0) >> 4] + hex[b & 0xF]; -const eq = (b) => (((b & 0xF0) >> 4) === (b & 0xF)); -function isShort(v) { - return eq(v.r) && eq(v.g) && eq(v.b) && eq(v.a); -} -function hexParse(str) { - var len = str.length; - var ret; - if (str[0] === '#') { - if (len === 4 || len === 5) { - ret = { - r: 255 & map$1[str[1]] * 17, - g: 255 & map$1[str[2]] * 17, - b: 255 & map$1[str[3]] * 17, - a: len === 5 ? map$1[str[4]] * 17 : 255 - }; - } else if (len === 7 || len === 9) { - ret = { - r: map$1[str[1]] << 4 | map$1[str[2]], - g: map$1[str[3]] << 4 | map$1[str[4]], - b: map$1[str[5]] << 4 | map$1[str[6]], - a: len === 9 ? (map$1[str[7]] << 4 | map$1[str[8]]) : 255 - }; - } - } - return ret; -} -function hexString(v) { - var f = isShort(v) ? h1 : h2; - return v - ? '#' + f(v.r) + f(v.g) + f(v.b) + (v.a < 255 ? f(v.a) : '') - : v; -} -function round(v) { - return v + 0.5 | 0; -} -const lim = (v, l, h) => Math.max(Math.min(v, h), l); -function p2b(v) { - return lim(round(v * 2.55), 0, 255); -} -function n2b(v) { - return lim(round(v * 255), 0, 255); -} -function b2n(v) { - return lim(round(v / 2.55) / 100, 0, 1); -} -function n2p(v) { - return lim(round(v * 100), 0, 100); -} -const RGB_RE = /^rgba?\(\s*([-+.\d]+)(%)?[\s,]+([-+.e\d]+)(%)?[\s,]+([-+.e\d]+)(%)?(?:[\s,/]+([-+.e\d]+)(%)?)?\s*\)$/; -function rgbParse(str) { - const m = RGB_RE.exec(str); - let a = 255; - let r, g, b; - if (!m) { - return; - } - if (m[7] !== r) { - const v = +m[7]; - a = 255 & (m[8] ? p2b(v) : v * 255); - } - r = +m[1]; - g = +m[3]; - b = +m[5]; - r = 255 & (m[2] ? p2b(r) : r); - g = 255 & (m[4] ? p2b(g) : g); - b = 255 & (m[6] ? p2b(b) : b); - return { - r: r, - g: g, - b: b, - a: a - }; -} -function rgbString(v) { - return v && ( - v.a < 255 - ? `rgba(${v.r}, ${v.g}, ${v.b}, ${b2n(v.a)})` - : `rgb(${v.r}, ${v.g}, ${v.b})` - ); -} -const HUE_RE = /^(hsla?|hwb|hsv)\(\s*([-+.e\d]+)(?:deg)?[\s,]+([-+.e\d]+)%[\s,]+([-+.e\d]+)%(?:[\s,]+([-+.e\d]+)(%)?)?\s*\)$/; -function hsl2rgbn(h, s, l) { - const a = s * Math.min(l, 1 - l); - const f = (n, k = (n + h / 30) % 12) => l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1); - return [f(0), f(8), f(4)]; -} -function hsv2rgbn(h, s, v) { - const f = (n, k = (n + h / 60) % 6) => v - v * s * Math.max(Math.min(k, 4 - k, 1), 0); - return [f(5), f(3), f(1)]; -} -function hwb2rgbn(h, w, b) { - const rgb = hsl2rgbn(h, 1, 0.5); - let i; - if (w + b > 1) { - i = 1 / (w + b); - w *= i; - b *= i; - } - for (i = 0; i < 3; i++) { - rgb[i] *= 1 - w - b; - rgb[i] += w; - } - return rgb; -} -function rgb2hsl(v) { - const range = 255; - const r = v.r / range; - const g = v.g / range; - const b = v.b / range; - const max = Math.max(r, g, b); - const min = Math.min(r, g, b); - const l = (max + min) / 2; - let h, s, d; - if (max !== min) { - d = max - min; - s = l > 0.5 ? d / (2 - max - min) : d / (max + min); - h = max === r - ? ((g - b) / d) + (g < b ? 6 : 0) - : max === g - ? (b - r) / d + 2 - : (r - g) / d + 4; - h = h * 60 + 0.5; - } - return [h | 0, s || 0, l]; -} -function calln(f, a, b, c) { - return ( - Array.isArray(a) - ? f(a[0], a[1], a[2]) - : f(a, b, c) - ).map(n2b); -} -function hsl2rgb(h, s, l) { - return calln(hsl2rgbn, h, s, l); -} -function hwb2rgb(h, w, b) { - return calln(hwb2rgbn, h, w, b); -} -function hsv2rgb(h, s, v) { - return calln(hsv2rgbn, h, s, v); -} -function hue(h) { - return (h % 360 + 360) % 360; -} -function hueParse(str) { - const m = HUE_RE.exec(str); - let a = 255; - let v; - if (!m) { - return; - } - if (m[5] !== v) { - a = m[6] ? p2b(+m[5]) : n2b(+m[5]); - } - const h = hue(+m[2]); - const p1 = +m[3] / 100; - const p2 = +m[4] / 100; - if (m[1] === 'hwb') { - v = hwb2rgb(h, p1, p2); - } else if (m[1] === 'hsv') { - v = hsv2rgb(h, p1, p2); - } else { - v = hsl2rgb(h, p1, p2); - } - return { - r: v[0], - g: v[1], - b: v[2], - a: a - }; -} -function rotate(v, deg) { - var h = rgb2hsl(v); - h[0] = hue(h[0] + deg); - h = hsl2rgb(h); - v.r = h[0]; - v.g = h[1]; - v.b = h[2]; -} -function hslString(v) { - if (!v) { - return; - } - const a = rgb2hsl(v); - const h = a[0]; - const s = n2p(a[1]); - const l = n2p(a[2]); - return v.a < 255 - ? `hsla(${h}, ${s}%, ${l}%, ${b2n(v.a)})` - : `hsl(${h}, ${s}%, ${l}%)`; -} -const map$1$1 = { - x: 'dark', - Z: 'light', - Y: 're', - X: 'blu', - W: 'gr', - V: 'medium', - U: 'slate', - A: 'ee', - T: 'ol', - S: 'or', - B: 'ra', - C: 'lateg', - D: 'ights', - R: 'in', - Q: 'turquois', - E: 'hi', - P: 'ro', - O: 'al', - N: 'le', - M: 'de', - L: 'yello', - F: 'en', - K: 'ch', - G: 'arks', - H: 'ea', - I: 'ightg', - J: 'wh' -}; -const names = { - OiceXe: 'f0f8ff', - antiquewEte: 'faebd7', - aqua: 'ffff', - aquamarRe: '7fffd4', - azuY: 'f0ffff', - beige: 'f5f5dc', - bisque: 'ffe4c4', - black: '0', - blanKedOmond: 'ffebcd', - Xe: 'ff', - XeviTet: '8a2be2', - bPwn: 'a52a2a', - burlywood: 'deb887', - caMtXe: '5f9ea0', - KartYuse: '7fff00', - KocTate: 'd2691e', - cSO: 'ff7f50', - cSnflowerXe: '6495ed', - cSnsilk: 'fff8dc', - crimson: 'dc143c', - cyan: 'ffff', - xXe: '8b', - xcyan: '8b8b', - xgTMnPd: 'b8860b', - xWay: 'a9a9a9', - xgYF: '6400', - xgYy: 'a9a9a9', - xkhaki: 'bdb76b', - xmagFta: '8b008b', - xTivegYF: '556b2f', - xSange: 'ff8c00', - xScEd: '9932cc', - xYd: '8b0000', - xsOmon: 'e9967a', - xsHgYF: '8fbc8f', - xUXe: '483d8b', - xUWay: '2f4f4f', - xUgYy: '2f4f4f', - xQe: 'ced1', - xviTet: '9400d3', - dAppRk: 'ff1493', - dApskyXe: 'bfff', - dimWay: '696969', - dimgYy: '696969', - dodgerXe: '1e90ff', - fiYbrick: 'b22222', - flSOwEte: 'fffaf0', - foYstWAn: '228b22', - fuKsia: 'ff00ff', - gaRsbSo: 'dcdcdc', - ghostwEte: 'f8f8ff', - gTd: 'ffd700', - gTMnPd: 'daa520', - Way: '808080', - gYF: '8000', - gYFLw: 'adff2f', - gYy: '808080', - honeyMw: 'f0fff0', - hotpRk: 'ff69b4', - RdianYd: 'cd5c5c', - Rdigo: '4b0082', - ivSy: 'fffff0', - khaki: 'f0e68c', - lavFMr: 'e6e6fa', - lavFMrXsh: 'fff0f5', - lawngYF: '7cfc00', - NmoncEffon: 'fffacd', - ZXe: 'add8e6', - ZcSO: 'f08080', - Zcyan: 'e0ffff', - ZgTMnPdLw: 'fafad2', - ZWay: 'd3d3d3', - ZgYF: '90ee90', - ZgYy: 'd3d3d3', - ZpRk: 'ffb6c1', - ZsOmon: 'ffa07a', - ZsHgYF: '20b2aa', - ZskyXe: '87cefa', - ZUWay: '778899', - ZUgYy: '778899', - ZstAlXe: 'b0c4de', - ZLw: 'ffffe0', - lime: 'ff00', - limegYF: '32cd32', - lRF: 'faf0e6', - magFta: 'ff00ff', - maPon: '800000', - VaquamarRe: '66cdaa', - VXe: 'cd', - VScEd: 'ba55d3', - VpurpN: '9370db', - VsHgYF: '3cb371', - VUXe: '7b68ee', - VsprRggYF: 'fa9a', - VQe: '48d1cc', - VviTetYd: 'c71585', - midnightXe: '191970', - mRtcYam: 'f5fffa', - mistyPse: 'ffe4e1', - moccasR: 'ffe4b5', - navajowEte: 'ffdead', - navy: '80', - Tdlace: 'fdf5e6', - Tive: '808000', - TivedBb: '6b8e23', - Sange: 'ffa500', - SangeYd: 'ff4500', - ScEd: 'da70d6', - pOegTMnPd: 'eee8aa', - pOegYF: '98fb98', - pOeQe: 'afeeee', - pOeviTetYd: 'db7093', - papayawEp: 'ffefd5', - pHKpuff: 'ffdab9', - peru: 'cd853f', - pRk: 'ffc0cb', - plum: 'dda0dd', - powMrXe: 'b0e0e6', - purpN: '800080', - YbeccapurpN: '663399', - Yd: 'ff0000', - Psybrown: 'bc8f8f', - PyOXe: '4169e1', - saddNbPwn: '8b4513', - sOmon: 'fa8072', - sandybPwn: 'f4a460', - sHgYF: '2e8b57', - sHshell: 'fff5ee', - siFna: 'a0522d', - silver: 'c0c0c0', - skyXe: '87ceeb', - UXe: '6a5acd', - UWay: '708090', - UgYy: '708090', - snow: 'fffafa', - sprRggYF: 'ff7f', - stAlXe: '4682b4', - tan: 'd2b48c', - teO: '8080', - tEstN: 'd8bfd8', - tomato: 'ff6347', - Qe: '40e0d0', - viTet: 'ee82ee', - JHt: 'f5deb3', - wEte: 'ffffff', - wEtesmoke: 'f5f5f5', - Lw: 'ffff00', - LwgYF: '9acd32' -}; -function unpack() { - const unpacked = {}; - const keys = Object.keys(names); - const tkeys = Object.keys(map$1$1); - let i, j, k, ok, nk; - for (i = 0; i < keys.length; i++) { - ok = nk = keys[i]; - for (j = 0; j < tkeys.length; j++) { - k = tkeys[j]; - nk = nk.replace(k, map$1$1[k]); - } - k = parseInt(names[ok], 16); - unpacked[nk] = [k >> 16 & 0xFF, k >> 8 & 0xFF, k & 0xFF]; - } - return unpacked; -} -let names$1; -function nameParse(str) { - if (!names$1) { - names$1 = unpack(); - names$1.transparent = [0, 0, 0, 0]; - } - const a = names$1[str.toLowerCase()]; - return a && { - r: a[0], - g: a[1], - b: a[2], - a: a.length === 4 ? a[3] : 255 - }; -} -function modHSL(v, i, ratio) { - if (v) { - let tmp = rgb2hsl(v); - tmp[i] = Math.max(0, Math.min(tmp[i] + tmp[i] * ratio, i === 0 ? 360 : 1)); - tmp = hsl2rgb(tmp); - v.r = tmp[0]; - v.g = tmp[1]; - v.b = tmp[2]; - } -} -function clone$1(v, proto) { - return v ? Object.assign(proto || {}, v) : v; -} -function fromObject(input) { - var v = {r: 0, g: 0, b: 0, a: 255}; - if (Array.isArray(input)) { - if (input.length >= 3) { - v = {r: input[0], g: input[1], b: input[2], a: 255}; - if (input.length > 3) { - v.a = n2b(input[3]); - } - } - } else { - v = clone$1(input, {r: 0, g: 0, b: 0, a: 1}); - v.a = n2b(v.a); - } - return v; -} -function functionParse(str) { - if (str.charAt(0) === 'r') { - return rgbParse(str); - } - return hueParse(str); -} -class Color { - constructor(input) { - if (input instanceof Color) { - return input; - } - const type = typeof input; - let v; - if (type === 'object') { - v = fromObject(input); - } else if (type === 'string') { - v = hexParse(input) || nameParse(input) || functionParse(input); - } - this._rgb = v; - this._valid = !!v; - } - get valid() { - return this._valid; - } - get rgb() { - var v = clone$1(this._rgb); - if (v) { - v.a = b2n(v.a); - } - return v; - } - set rgb(obj) { - this._rgb = fromObject(obj); - } - rgbString() { - return this._valid ? rgbString(this._rgb) : this._rgb; - } - hexString() { - return this._valid ? hexString(this._rgb) : this._rgb; - } - hslString() { - return this._valid ? hslString(this._rgb) : this._rgb; - } - mix(color, weight) { - const me = this; - if (color) { - const c1 = me.rgb; - const c2 = color.rgb; - let w2; - const p = weight === w2 ? 0.5 : weight; - const w = 2 * p - 1; - const a = c1.a - c2.a; - const w1 = ((w * a === -1 ? w : (w + a) / (1 + w * a)) + 1) / 2.0; - w2 = 1 - w1; - c1.r = 0xFF & w1 * c1.r + w2 * c2.r + 0.5; - c1.g = 0xFF & w1 * c1.g + w2 * c2.g + 0.5; - c1.b = 0xFF & w1 * c1.b + w2 * c2.b + 0.5; - c1.a = p * c1.a + (1 - p) * c2.a; - me.rgb = c1; - } - return me; - } - clone() { - return new Color(this.rgb); - } - alpha(a) { - this._rgb.a = n2b(a); - return this; - } - clearer(ratio) { - const rgb = this._rgb; - rgb.a *= 1 - ratio; - return this; - } - greyscale() { - const rgb = this._rgb; - const val = round(rgb.r * 0.3 + rgb.g * 0.59 + rgb.b * 0.11); - rgb.r = rgb.g = rgb.b = val; - return this; - } - opaquer(ratio) { - const rgb = this._rgb; - rgb.a *= 1 + ratio; - return this; - } - negate() { - const v = this._rgb; - v.r = 255 - v.r; - v.g = 255 - v.g; - v.b = 255 - v.b; - return this; - } - lighten(ratio) { - modHSL(this._rgb, 2, ratio); - return this; - } - darken(ratio) { - modHSL(this._rgb, 2, -ratio); - return this; - } - saturate(ratio) { - modHSL(this._rgb, 1, ratio); - return this; - } - desaturate(ratio) { - modHSL(this._rgb, 1, -ratio); - return this; - } - rotate(deg) { - rotate(this._rgb, deg); - return this; - } -} -function index_esm(input) { - return new Color(input); -} - -const isPatternOrGradient = (value) => value instanceof CanvasGradient || value instanceof CanvasPattern; -function color(value) { - return isPatternOrGradient(value) ? value : index_esm(value); -} -function getHoverColor(value) { - return isPatternOrGradient(value) - ? value - : index_esm(value).saturate(0.5).darken(0.1).hexString(); -} - -function noop() {} -const uid = (function() { - let id = 0; - return function() { - return id++; - }; -}()); -function isNullOrUndef(value) { - return value === null || typeof value === 'undefined'; -} -function isArray(value) { - if (Array.isArray && Array.isArray(value)) { - return true; - } - const type = Object.prototype.toString.call(value); - if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') { - return true; - } - return false; -} -function isObject(value) { - return value !== null && Object.prototype.toString.call(value) === '[object Object]'; -} -const isNumberFinite = (value) => (typeof value === 'number' || value instanceof Number) && isFinite(+value); -function finiteOrDefault(value, defaultValue) { - return isNumberFinite(value) ? value : defaultValue; -} -function valueOrDefault(value, defaultValue) { - return typeof value === 'undefined' ? defaultValue : value; -} -const toPercentage = (value, dimension) => - typeof value === 'string' && value.endsWith('%') ? - parseFloat(value) / 100 - : value / dimension; -const toDimension = (value, dimension) => - typeof value === 'string' && value.endsWith('%') ? - parseFloat(value) / 100 * dimension - : +value; -function callback(fn, args, thisArg) { - if (fn && typeof fn.call === 'function') { - return fn.apply(thisArg, args); - } -} -function each(loopable, fn, thisArg, reverse) { - let i, len, keys; - if (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 (isObject(loopable)) { - keys = Object.keys(loopable); - len = keys.length; - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[keys[i]], keys[i]); - } - } -} -function _elementsEqual(a0, a1) { - let 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.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) { - return false; - } - } - return true; -} -function clone(source) { - if (isArray(source)) { - return source.map(clone); - } - if (isObject(source)) { - const target = Object.create(null); - const keys = Object.keys(source); - const klen = keys.length; - let k = 0; - for (; k < klen; ++k) { - target[keys[k]] = clone(source[keys[k]]); - } - return target; - } - return source; -} -function isValidKey(key) { - return ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1; -} -function _merger(key, target, source, options) { - if (!isValidKey(key)) { - return; - } - const tval = target[key]; - const sval = source[key]; - if (isObject(tval) && isObject(sval)) { - merge(tval, sval, options); - } else { - target[key] = clone(sval); - } -} -function merge(target, source, options) { - const sources = isArray(source) ? source : [source]; - const ilen = sources.length; - if (!isObject(target)) { - return target; - } - options = options || {}; - const merger = options.merger || _merger; - for (let i = 0; i < ilen; ++i) { - source = sources[i]; - if (!isObject(source)) { - continue; - } - const keys = Object.keys(source); - for (let k = 0, klen = keys.length; k < klen; ++k) { - merger(keys[k], target, source, options); - } - } - return target; -} -function mergeIf(target, source) { - return merge(target, source, {merger: _mergerIf}); -} -function _mergerIf(key, target, source) { - if (!isValidKey(key)) { - return; - } - const tval = target[key]; - const sval = source[key]; - if (isObject(tval) && isObject(sval)) { - mergeIf(tval, sval); - } else if (!Object.prototype.hasOwnProperty.call(target, key)) { - target[key] = clone(sval); - } -} -function _deprecated(scope, value, previous, current) { - if (value !== undefined) { - console.warn(scope + ': "' + previous + - '" is deprecated. Please use "' + current + '" instead'); - } -} -const emptyString = ''; -const dot = '.'; -function indexOfDotOrLength(key, start) { - const idx = key.indexOf(dot, start); - return idx === -1 ? key.length : idx; -} -function resolveObjectKey(obj, key) { - if (key === emptyString) { - return obj; - } - let pos = 0; - let idx = indexOfDotOrLength(key, pos); - while (obj && idx > pos) { - obj = obj[key.substr(pos, idx - pos)]; - pos = idx + 1; - idx = indexOfDotOrLength(key, pos); - } - return obj; -} -function _capitalize(str) { - return str.charAt(0).toUpperCase() + str.slice(1); -} -const defined = (value) => typeof value !== 'undefined'; -const isFunction = (value) => typeof value === 'function'; -const setsEqual = (a, b) => { - if (a.size !== b.size) { - return false; - } - for (const item of a) { - if (!b.has(item)) { - return false; - } - } - return true; -}; - -const overrides = Object.create(null); -const descriptors = Object.create(null); -function getScope$1(node, key) { - if (!key) { - return node; - } - const keys = key.split('.'); - for (let i = 0, n = keys.length; i < n; ++i) { - const k = keys[i]; - node = node[k] || (node[k] = Object.create(null)); - } - return node; -} -function set(root, scope, values) { - if (typeof scope === 'string') { - return merge(getScope$1(root, scope), values); - } - return merge(getScope$1(root, ''), scope); -} -class Defaults { - constructor(_descriptors) { - this.animation = undefined; - this.backgroundColor = 'rgba(0,0,0,0.1)'; - this.borderColor = 'rgba(0,0,0,0.1)'; - this.color = '#666'; - this.datasets = {}; - this.devicePixelRatio = (context) => context.chart.platform.getDevicePixelRatio(); - this.elements = {}; - this.events = [ - 'mousemove', - 'mouseout', - 'click', - 'touchstart', - 'touchmove' - ]; - this.font = { - family: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - size: 12, - style: 'normal', - lineHeight: 1.2, - weight: null - }; - this.hover = {}; - this.hoverBackgroundColor = (ctx, options) => getHoverColor(options.backgroundColor); - this.hoverBorderColor = (ctx, options) => getHoverColor(options.borderColor); - this.hoverColor = (ctx, options) => getHoverColor(options.color); - this.indexAxis = 'x'; - this.interaction = { - mode: 'nearest', - intersect: true - }; - this.maintainAspectRatio = true; - this.onHover = null; - this.onClick = null; - this.parsing = true; - this.plugins = {}; - this.responsive = true; - this.scale = undefined; - this.scales = {}; - this.showLine = true; - this.describe(_descriptors); - } - set(scope, values) { - return set(this, scope, values); - } - get(scope) { - return getScope$1(this, scope); - } - describe(scope, values) { - return set(descriptors, scope, values); - } - override(scope, values) { - return set(overrides, scope, values); - } - route(scope, name, targetScope, targetName) { - const scopeObject = getScope$1(this, scope); - const targetScopeObject = getScope$1(this, targetScope); - const privateName = '_' + name; - Object.defineProperties(scopeObject, { - [privateName]: { - value: scopeObject[name], - writable: true - }, - [name]: { - enumerable: true, - get() { - const local = this[privateName]; - const target = targetScopeObject[targetName]; - if (isObject(local)) { - return Object.assign({}, target, local); - } - return valueOrDefault(local, target); - }, - set(value) { - this[privateName] = value; - } - } - }); - } -} -var defaults = new Defaults({ - _scriptable: (name) => !name.startsWith('on'), - _indexable: (name) => name !== 'events', - hover: { - _fallback: 'interaction' - }, - interaction: { - _scriptable: false, - _indexable: false, - } -}); - -const PI = Math.PI; -const TAU = 2 * PI; -const PITAU = TAU + PI; -const INFINITY = Number.POSITIVE_INFINITY; -const RAD_PER_DEG = PI / 180; -const HALF_PI = PI / 2; -const QUARTER_PI = PI / 4; -const TWO_THIRDS_PI = PI * 2 / 3; -const log10 = Math.log10; -const sign = Math.sign; -function niceNum(range) { - const roundedRange = Math.round(range); - range = almostEquals(range, roundedRange, range / 1000) ? roundedRange : range; - const niceRange = Math.pow(10, Math.floor(log10(range))); - const fraction = range / niceRange; - const niceFraction = fraction <= 1 ? 1 : fraction <= 2 ? 2 : fraction <= 5 ? 5 : 10; - return niceFraction * niceRange; -} -function _factorize(value) { - const result = []; - const sqrt = Math.sqrt(value); - let i; - for (i = 1; i < sqrt; i++) { - if (value % i === 0) { - result.push(i); - result.push(value / i); - } - } - if (sqrt === (sqrt | 0)) { - result.push(sqrt); - } - result.sort((a, b) => a - b).pop(); - return result; -} -function isNumber(n) { - return !isNaN(parseFloat(n)) && isFinite(n); -} -function almostEquals(x, y, epsilon) { - return Math.abs(x - y) < epsilon; -} -function almostWhole(x, epsilon) { - const rounded = Math.round(x); - return ((rounded - epsilon) <= x) && ((rounded + epsilon) >= x); -} -function _setMinAndMaxByKey(array, target, property) { - let i, ilen, value; - for (i = 0, ilen = array.length; i < ilen; i++) { - value = array[i][property]; - if (!isNaN(value)) { - target.min = Math.min(target.min, value); - target.max = Math.max(target.max, value); - } - } -} -function toRadians(degrees) { - return degrees * (PI / 180); -} -function toDegrees(radians) { - return radians * (180 / PI); -} -function _decimalPlaces(x) { - if (!isNumberFinite(x)) { - return; - } - let e = 1; - let p = 0; - while (Math.round(x * e) / e !== x) { - e *= 10; - p++; - } - return p; -} -function getAngleFromPoint(centrePoint, anglePoint) { - const distanceFromXCenter = anglePoint.x - centrePoint.x; - const distanceFromYCenter = anglePoint.y - centrePoint.y; - const radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); - let angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); - if (angle < (-0.5 * PI)) { - angle += TAU; - } - return { - angle, - distance: radialDistanceFromCenter - }; -} -function distanceBetweenPoints(pt1, pt2) { - return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); -} -function _angleDiff(a, b) { - return (a - b + PITAU) % TAU - PI; -} -function _normalizeAngle(a) { - return (a % TAU + TAU) % TAU; -} -function _angleBetween(angle, start, end, sameAngleIsFullCircle) { - const a = _normalizeAngle(angle); - const s = _normalizeAngle(start); - const e = _normalizeAngle(end); - const angleToStart = _normalizeAngle(s - a); - const angleToEnd = _normalizeAngle(e - a); - const startToAngle = _normalizeAngle(a - s); - const endToAngle = _normalizeAngle(a - e); - return a === s || a === e || (sameAngleIsFullCircle && s === e) - || (angleToStart > angleToEnd && startToAngle < endToAngle); -} -function _limitValue(value, min, max) { - return Math.max(min, Math.min(max, value)); -} -function _int16Range(value) { - return _limitValue(value, -32768, 32767); -} - -function toFontString(font) { - if (!font || isNullOrUndef(font.size) || isNullOrUndef(font.family)) { - return null; - } - return (font.style ? font.style + ' ' : '') - + (font.weight ? font.weight + ' ' : '') - + font.size + 'px ' - + font.family; -} -function _measureText(ctx, data, gc, longest, string) { - let textWidth = data[string]; - if (!textWidth) { - textWidth = data[string] = ctx.measureText(string).width; - gc.push(string); - } - if (textWidth > longest) { - longest = textWidth; - } - return longest; -} -function _longestText(ctx, font, arrayOfThings, cache) { - cache = cache || {}; - let data = cache.data = cache.data || {}; - let gc = cache.garbageCollect = cache.garbageCollect || []; - if (cache.font !== font) { - data = cache.data = {}; - gc = cache.garbageCollect = []; - cache.font = font; - } - ctx.save(); - ctx.font = font; - let longest = 0; - const ilen = arrayOfThings.length; - let i, j, jlen, thing, nestedThing; - for (i = 0; i < ilen; i++) { - thing = arrayOfThings[i]; - if (thing !== undefined && thing !== null && isArray(thing) !== true) { - longest = _measureText(ctx, data, gc, longest, thing); - } else if (isArray(thing)) { - for (j = 0, jlen = thing.length; j < jlen; j++) { - nestedThing = thing[j]; - if (nestedThing !== undefined && nestedThing !== null && !isArray(nestedThing)) { - longest = _measureText(ctx, data, gc, longest, nestedThing); - } - } - } - } - ctx.restore(); - const gcLen = gc.length / 2; - if (gcLen > arrayOfThings.length) { - for (i = 0; i < gcLen; i++) { - delete data[gc[i]]; - } - gc.splice(0, gcLen); - } - return longest; -} -function _alignPixel(chart, pixel, width) { - const devicePixelRatio = chart.currentDevicePixelRatio; - const halfWidth = width !== 0 ? Math.max(width / 2, 0.5) : 0; - return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; -} -function clearCanvas(canvas, ctx) { - ctx = ctx || canvas.getContext('2d'); - ctx.save(); - ctx.resetTransform(); - ctx.clearRect(0, 0, canvas.width, canvas.height); - ctx.restore(); -} -function drawPoint(ctx, options, x, y) { - let type, xOffset, yOffset, size, cornerRadius; - const style = options.pointStyle; - const rotation = options.rotation; - const radius = options.radius; - let 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: - ctx.arc(x, y, radius, 0, TAU); - 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': - 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; - 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; - 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(); - if (options.borderWidth > 0) { - ctx.stroke(); - } -} -function _isPointInArea(point, area, margin) { - margin = margin || 0.5; - return !area || (point && point.x > area.left - margin && point.x < area.right + margin && - point.y > area.top - margin && point.y < area.bottom + margin); -} -function clipArea(ctx, area) { - ctx.save(); - ctx.beginPath(); - ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); - ctx.clip(); -} -function unclipArea(ctx) { - ctx.restore(); -} -function _steppedLineTo(ctx, previous, target, flip, mode) { - if (!previous) { - return ctx.lineTo(target.x, target.y); - } - if (mode === 'middle') { - const midpoint = (previous.x + target.x) / 2.0; - ctx.lineTo(midpoint, previous.y); - ctx.lineTo(midpoint, target.y); - } else if (mode === 'after' !== !!flip) { - ctx.lineTo(previous.x, target.y); - } else { - ctx.lineTo(target.x, previous.y); - } - ctx.lineTo(target.x, target.y); -} -function _bezierCurveTo(ctx, previous, target, flip) { - if (!previous) { - return ctx.lineTo(target.x, target.y); - } - ctx.bezierCurveTo( - flip ? previous.cp1x : previous.cp2x, - flip ? previous.cp1y : previous.cp2y, - flip ? target.cp2x : target.cp1x, - flip ? target.cp2y : target.cp1y, - target.x, - target.y); -} -function renderText(ctx, text, x, y, font, opts = {}) { - const lines = isArray(text) ? text : [text]; - const stroke = opts.strokeWidth > 0 && opts.strokeColor !== ''; - let i, line; - ctx.save(); - ctx.font = font.string; - setRenderOpts(ctx, opts); - for (i = 0; i < lines.length; ++i) { - line = lines[i]; - if (stroke) { - if (opts.strokeColor) { - ctx.strokeStyle = opts.strokeColor; - } - if (!isNullOrUndef(opts.strokeWidth)) { - ctx.lineWidth = opts.strokeWidth; - } - ctx.strokeText(line, x, y, opts.maxWidth); - } - ctx.fillText(line, x, y, opts.maxWidth); - decorateText(ctx, x, y, line, opts); - y += font.lineHeight; - } - ctx.restore(); -} -function setRenderOpts(ctx, opts) { - if (opts.translation) { - ctx.translate(opts.translation[0], opts.translation[1]); - } - if (!isNullOrUndef(opts.rotation)) { - ctx.rotate(opts.rotation); - } - if (opts.color) { - ctx.fillStyle = opts.color; - } - if (opts.textAlign) { - ctx.textAlign = opts.textAlign; - } - if (opts.textBaseline) { - ctx.textBaseline = opts.textBaseline; - } -} -function decorateText(ctx, x, y, line, opts) { - if (opts.strikethrough || opts.underline) { - const metrics = ctx.measureText(line); - const left = x - metrics.actualBoundingBoxLeft; - const right = x + metrics.actualBoundingBoxRight; - const top = y - metrics.actualBoundingBoxAscent; - const bottom = y + metrics.actualBoundingBoxDescent; - const yDecoration = opts.strikethrough ? (top + bottom) / 2 : bottom; - ctx.strokeStyle = ctx.fillStyle; - ctx.beginPath(); - ctx.lineWidth = opts.decorationWidth || 2; - ctx.moveTo(left, yDecoration); - ctx.lineTo(right, yDecoration); - ctx.stroke(); - } -} -function addRoundedRectPath(ctx, rect) { - const {x, y, w, h, radius} = rect; - ctx.arc(x + radius.topLeft, y + radius.topLeft, radius.topLeft, -HALF_PI, PI, true); - ctx.lineTo(x, y + h - radius.bottomLeft); - ctx.arc(x + radius.bottomLeft, y + h - radius.bottomLeft, radius.bottomLeft, PI, HALF_PI, true); - ctx.lineTo(x + w - radius.bottomRight, y + h); - ctx.arc(x + w - radius.bottomRight, y + h - radius.bottomRight, radius.bottomRight, HALF_PI, 0, true); - ctx.lineTo(x + w, y + radius.topRight); - ctx.arc(x + w - radius.topRight, y + radius.topRight, radius.topRight, 0, -HALF_PI, true); - ctx.lineTo(x + radius.topLeft, y); -} - -function _lookup(table, value, cmp) { - cmp = cmp || ((index) => table[index] < value); - let hi = table.length - 1; - let lo = 0; - let mid; - while (hi - lo > 1) { - mid = (lo + hi) >> 1; - if (cmp(mid)) { - lo = mid; - } else { - hi = mid; - } - } - return {lo, hi}; -} -const _lookupByKey = (table, key, value) => - _lookup(table, value, index => table[index][key] < value); -const _rlookupByKey = (table, key, value) => - _lookup(table, value, index => table[index][key] >= value); -function _filterBetween(values, min, max) { - let start = 0; - let end = values.length; - while (start < end && values[start] < min) { - start++; - } - while (end > start && values[end - 1] > max) { - end--; - } - return start > 0 || end < values.length - ? values.slice(start, end) - : values; -} -const arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; -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((key) => { - const method = '_onData' + _capitalize(key); - const base = array[key]; - Object.defineProperty(array, key, { - configurable: true, - enumerable: false, - value(...args) { - const res = base.apply(this, args); - array._chartjs.listeners.forEach((object) => { - if (typeof object[method] === 'function') { - object[method](...args); - } - }); - return res; - } - }); - }); -} -function unlistenArrayEvents(array, listener) { - const stub = array._chartjs; - if (!stub) { - return; - } - const listeners = stub.listeners; - const index = listeners.indexOf(listener); - if (index !== -1) { - listeners.splice(index, 1); - } - if (listeners.length > 0) { - return; - } - arrayEvents.forEach((key) => { - delete array[key]; - }); - delete array._chartjs; -} -function _arrayUnique(items) { - const set = new Set(); - let i, ilen; - for (i = 0, ilen = items.length; i < ilen; ++i) { - set.add(items[i]); - } - if (set.size === ilen) { - return items; - } - return Array.from(set); -} - -function _isDomSupported() { - return typeof window !== 'undefined' && typeof document !== 'undefined'; -} -function _getParentNode(domNode) { - let parent = domNode.parentNode; - if (parent && parent.toString() === '[object ShadowRoot]') { - parent = parent.host; - } - return parent; -} -function parseMaxStyle(styleValue, node, parentProperty) { - let valueInPixels; - if (typeof styleValue === 'string') { - valueInPixels = parseInt(styleValue, 10); - if (styleValue.indexOf('%') !== -1) { - valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; - } - } else { - valueInPixels = styleValue; - } - return valueInPixels; -} -const getComputedStyle = (element) => window.getComputedStyle(element, null); -function getStyle(el, property) { - return getComputedStyle(el).getPropertyValue(property); -} -const positions = ['top', 'right', 'bottom', 'left']; -function getPositionedStyle(styles, style, suffix) { - const result = {}; - suffix = suffix ? '-' + suffix : ''; - for (let i = 0; i < 4; i++) { - const pos = positions[i]; - result[pos] = parseFloat(styles[style + '-' + pos + suffix]) || 0; - } - result.width = result.left + result.right; - result.height = result.top + result.bottom; - return result; -} -const useOffsetPos = (x, y, target) => (x > 0 || y > 0) && (!target || !target.shadowRoot); -function getCanvasPosition(evt, canvas) { - const e = evt.native || evt; - const touches = e.touches; - const source = touches && touches.length ? touches[0] : e; - const {offsetX, offsetY} = source; - let box = false; - let x, y; - if (useOffsetPos(offsetX, offsetY, e.target)) { - x = offsetX; - y = offsetY; - } else { - const rect = canvas.getBoundingClientRect(); - x = source.clientX - rect.left; - y = source.clientY - rect.top; - box = true; - } - return {x, y, box}; -} -function getRelativePosition$1(evt, chart) { - const {canvas, currentDevicePixelRatio} = chart; - const style = getComputedStyle(canvas); - const borderBox = style.boxSizing === 'border-box'; - const paddings = getPositionedStyle(style, 'padding'); - const borders = getPositionedStyle(style, 'border', 'width'); - const {x, y, box} = getCanvasPosition(evt, canvas); - const xOffset = paddings.left + (box && borders.left); - const yOffset = paddings.top + (box && borders.top); - let {width, height} = chart; - if (borderBox) { - width -= paddings.width + borders.width; - height -= paddings.height + borders.height; - } - return { - x: Math.round((x - xOffset) / width * canvas.width / currentDevicePixelRatio), - y: Math.round((y - yOffset) / height * canvas.height / currentDevicePixelRatio) - }; -} -function getContainerSize(canvas, width, height) { - let maxWidth, maxHeight; - if (width === undefined || height === undefined) { - const container = _getParentNode(canvas); - if (!container) { - width = canvas.clientWidth; - height = canvas.clientHeight; - } else { - const rect = container.getBoundingClientRect(); - const containerStyle = getComputedStyle(container); - const containerBorder = getPositionedStyle(containerStyle, 'border', 'width'); - const containerPadding = getPositionedStyle(containerStyle, 'padding'); - width = rect.width - containerPadding.width - containerBorder.width; - height = rect.height - containerPadding.height - containerBorder.height; - maxWidth = parseMaxStyle(containerStyle.maxWidth, container, 'clientWidth'); - maxHeight = parseMaxStyle(containerStyle.maxHeight, container, 'clientHeight'); - } - } - return { - width, - height, - maxWidth: maxWidth || INFINITY, - maxHeight: maxHeight || INFINITY - }; -} -const round1 = v => Math.round(v * 10) / 10; -function getMaximumSize(canvas, bbWidth, bbHeight, aspectRatio) { - const style = getComputedStyle(canvas); - const margins = getPositionedStyle(style, 'margin'); - const maxWidth = parseMaxStyle(style.maxWidth, canvas, 'clientWidth') || INFINITY; - const maxHeight = parseMaxStyle(style.maxHeight, canvas, 'clientHeight') || INFINITY; - const containerSize = getContainerSize(canvas, bbWidth, bbHeight); - let {width, height} = containerSize; - if (style.boxSizing === 'content-box') { - const borders = getPositionedStyle(style, 'border', 'width'); - const paddings = getPositionedStyle(style, 'padding'); - width -= paddings.width + borders.width; - height -= paddings.height + borders.height; - } - width = Math.max(0, width - margins.width); - height = Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height - margins.height); - width = round1(Math.min(width, maxWidth, containerSize.maxWidth)); - height = round1(Math.min(height, maxHeight, containerSize.maxHeight)); - if (width && !height) { - height = round1(width / 2); - } - return { - width, - height - }; -} -function retinaScale(chart, forceRatio, forceStyle) { - const pixelRatio = forceRatio || 1; - const deviceHeight = Math.floor(chart.height * pixelRatio); - const deviceWidth = Math.floor(chart.width * pixelRatio); - chart.height = deviceHeight / pixelRatio; - chart.width = deviceWidth / pixelRatio; - const canvas = chart.canvas; - if (canvas.style && (forceStyle || (!canvas.style.height && !canvas.style.width))) { - canvas.style.height = `${chart.height}px`; - canvas.style.width = `${chart.width}px`; - } - if (chart.currentDevicePixelRatio !== pixelRatio - || canvas.height !== deviceHeight - || canvas.width !== deviceWidth) { - chart.currentDevicePixelRatio = pixelRatio; - canvas.height = deviceHeight; - canvas.width = deviceWidth; - chart.ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0); - return true; - } - return false; -} -const supportsEventListenerOptions = (function() { - let passiveSupported = false; - try { - const options = { - get passive() { - passiveSupported = true; - return false; - } - }; - window.addEventListener('test', null, options); - window.removeEventListener('test', null, options); - } catch (e) { - } - return passiveSupported; -}()); -function readUsedSize(element, property) { - const value = getStyle(element, property); - const matches = value && value.match(/^(\d+)(\.\d+)?px$/); - return matches ? +matches[1] : undefined; -} - -function getRelativePosition(e, chart) { - if ('native' in e) { - return { - x: e.x, - y: e.y - }; - } - return getRelativePosition$1(e, chart); -} -function evaluateAllVisibleItems(chart, handler) { - const metasets = chart.getSortedVisibleDatasetMetas(); - let index, data, element; - for (let i = 0, ilen = metasets.length; i < ilen; ++i) { - ({index, data} = metasets[i]); - for (let j = 0, jlen = data.length; j < jlen; ++j) { - element = data[j]; - if (!element.skip) { - handler(element, index, j); - } - } - } -} -function binarySearch(metaset, axis, value, intersect) { - const {controller, data, _sorted} = metaset; - const iScale = controller._cachedMeta.iScale; - if (iScale && axis === iScale.axis && _sorted && data.length) { - const lookupMethod = iScale._reversePixels ? _rlookupByKey : _lookupByKey; - if (!intersect) { - return lookupMethod(data, axis, value); - } else if (controller._sharedOptions) { - const el = data[0]; - const range = typeof el.getRange === 'function' && el.getRange(axis); - if (range) { - const start = lookupMethod(data, axis, value - range); - const end = lookupMethod(data, axis, value + range); - return {lo: start.lo, hi: end.hi}; - } - } - } - return {lo: 0, hi: data.length - 1}; -} -function optimizedEvaluateItems(chart, axis, position, handler, intersect) { - const metasets = chart.getSortedVisibleDatasetMetas(); - const value = position[axis]; - for (let i = 0, ilen = metasets.length; i < ilen; ++i) { - const {index, data} = metasets[i]; - const {lo, hi} = binarySearch(metasets[i], axis, value, intersect); - for (let j = lo; j <= hi; ++j) { - const element = data[j]; - if (!element.skip) { - handler(element, index, j); - } - } - } -} -function getDistanceMetricForAxis(axis) { - const useX = axis.indexOf('x') !== -1; - const useY = axis.indexOf('y') !== -1; - return function(pt1, pt2) { - const deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; - const deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; - return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); - }; -} -function getIntersectItems(chart, position, axis, useFinalPosition) { - const items = []; - if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) { - return items; - } - const evaluationFunc = function(element, datasetIndex, index) { - if (element.inRange(position.x, position.y, useFinalPosition)) { - items.push({element, datasetIndex, index}); - } - }; - optimizedEvaluateItems(chart, axis, position, evaluationFunc, true); - return items; -} -function getNearestItems(chart, position, axis, intersect, useFinalPosition) { - const distanceMetric = getDistanceMetricForAxis(axis); - let minDistance = Number.POSITIVE_INFINITY; - let items = []; - if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) { - return items; - } - const evaluationFunc = function(element, datasetIndex, index) { - if (intersect && !element.inRange(position.x, position.y, useFinalPosition)) { - return; - } - const center = element.getCenterPoint(useFinalPosition); - if (!_isPointInArea(center, chart.chartArea, chart._minPadding) && !element.inRange(position.x, position.y, useFinalPosition)) { - return; - } - const distance = distanceMetric(position, center); - if (distance < minDistance) { - items = [{element, datasetIndex, index}]; - minDistance = distance; - } else if (distance === minDistance) { - items.push({element, datasetIndex, index}); - } - }; - optimizedEvaluateItems(chart, axis, position, evaluationFunc); - return items; -} -function getAxisItems(chart, e, options, useFinalPosition) { - const position = getRelativePosition(e, chart); - const items = []; - const axis = options.axis; - const rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange'; - let intersectsItem = false; - evaluateAllVisibleItems(chart, (element, datasetIndex, index) => { - if (element[rangeMethod](position[axis], useFinalPosition)) { - items.push({element, datasetIndex, index}); - } - if (element.inRange(position.x, position.y, useFinalPosition)) { - intersectsItem = true; - } - }); - if (options.intersect && !intersectsItem) { - return []; - } - return items; -} -var Interaction = { - modes: { - index(chart, e, options, useFinalPosition) { - const position = getRelativePosition(e, chart); - const axis = options.axis || 'x'; - const items = options.intersect - ? getIntersectItems(chart, position, axis, useFinalPosition) - : getNearestItems(chart, position, axis, false, useFinalPosition); - const elements = []; - if (!items.length) { - return []; - } - chart.getSortedVisibleDatasetMetas().forEach((meta) => { - const index = items[0].index; - const element = meta.data[index]; - if (element && !element.skip) { - elements.push({element, datasetIndex: meta.index, index}); - } - }); - return elements; - }, - dataset(chart, e, options, useFinalPosition) { - const position = getRelativePosition(e, chart); - const axis = options.axis || 'xy'; - let items = options.intersect - ? getIntersectItems(chart, position, axis, useFinalPosition) : - getNearestItems(chart, position, axis, false, useFinalPosition); - if (items.length > 0) { - const datasetIndex = items[0].datasetIndex; - const data = chart.getDatasetMeta(datasetIndex).data; - items = []; - for (let i = 0; i < data.length; ++i) { - items.push({element: data[i], datasetIndex, index: i}); - } - } - return items; - }, - point(chart, e, options, useFinalPosition) { - const position = getRelativePosition(e, chart); - const axis = options.axis || 'xy'; - return getIntersectItems(chart, position, axis, useFinalPosition); - }, - nearest(chart, e, options, useFinalPosition) { - const position = getRelativePosition(e, chart); - const axis = options.axis || 'xy'; - return getNearestItems(chart, position, axis, options.intersect, useFinalPosition); - }, - x(chart, e, options, useFinalPosition) { - options.axis = 'x'; - return getAxisItems(chart, e, options, useFinalPosition); - }, - y(chart, e, options, useFinalPosition) { - options.axis = 'y'; - return getAxisItems(chart, e, options, useFinalPosition); - } - } -}; - -const LINE_HEIGHT = new RegExp(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); -const FONT_STYLE = new RegExp(/^(normal|italic|initial|inherit|unset|(oblique( -?[0-9]?[0-9]deg)?))$/); -function toLineHeight(value, size) { - const matches = ('' + value).match(LINE_HEIGHT); - 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; -} -const numberOrZero$1 = v => +v || 0; -function _readValueToProps(value, props) { - const ret = {}; - const objProps = isObject(props); - const keys = objProps ? Object.keys(props) : props; - const read = isObject(value) - ? objProps - ? prop => valueOrDefault(value[prop], value[props[prop]]) - : prop => value[prop] - : () => value; - for (const prop of keys) { - ret[prop] = numberOrZero$1(read(prop)); - } - return ret; -} -function toTRBL(value) { - return _readValueToProps(value, {top: 'y', right: 'x', bottom: 'y', left: 'x'}); -} -function toTRBLCorners(value) { - return _readValueToProps(value, ['topLeft', 'topRight', 'bottomLeft', 'bottomRight']); -} -function toPadding(value) { - const obj = toTRBL(value); - obj.width = obj.left + obj.right; - obj.height = obj.top + obj.bottom; - return obj; -} -function toFont(options, fallback) { - options = options || {}; - fallback = fallback || defaults.font; - let size = valueOrDefault(options.size, fallback.size); - if (typeof size === 'string') { - size = parseInt(size, 10); - } - let style = valueOrDefault(options.style, fallback.style); - if (style && !('' + style).match(FONT_STYLE)) { - console.warn('Invalid font style specified: "' + style + '"'); - style = ''; - } - const font = { - family: valueOrDefault(options.family, fallback.family), - lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size), - size, - style, - weight: valueOrDefault(options.weight, fallback.weight), - string: '' - }; - font.string = toFontString(font); - return font; -} -function resolve(inputs, context, index, info) { - let cacheable = true; - let 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 && isArray(value)) { - value = value[index % value.length]; - cacheable = false; - } - if (value !== undefined) { - if (info && !cacheable) { - info.cacheable = false; - } - return value; - } - } -} -function _addGrace(minmax, grace) { - const {min, max} = minmax; - return { - min: min - Math.abs(toDimension(grace, min)), - max: max + toDimension(grace, max) - }; -} - -const STATIC_POSITIONS = ['left', 'top', 'right', 'bottom']; -function filterByPosition(array, position) { - return array.filter(v => v.pos === position); -} -function filterDynamicPositionByAxis(array, axis) { - return array.filter(v => STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis); -} -function sortByWeight(array, reverse) { - return array.sort((a, b) => { - const v0 = reverse ? b : a; - const v1 = reverse ? a : b; - return v0.weight === v1.weight ? - v0.index - v1.index : - v0.weight - v1.weight; - }); -} -function wrapBoxes(boxes) { - const layoutBoxes = []; - let i, ilen, box, pos, stack, stackWeight; - for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) { - box = boxes[i]; - ({position: pos, options: {stack, stackWeight = 1}} = box); - layoutBoxes.push({ - index: i, - box, - pos, - horizontal: box.isHorizontal(), - weight: box.weight, - stack: stack && (pos + stack), - stackWeight - }); - } - return layoutBoxes; -} -function buildStacks(layouts) { - const stacks = {}; - for (const wrap of layouts) { - const {stack, pos, stackWeight} = wrap; - if (!stack || !STATIC_POSITIONS.includes(pos)) { - continue; - } - const _stack = stacks[stack] || (stacks[stack] = {count: 0, placed: 0, weight: 0, size: 0}); - _stack.count++; - _stack.weight += stackWeight; - } - return stacks; -} -function setLayoutDims(layouts, params) { - const stacks = buildStacks(layouts); - const {vBoxMaxWidth, hBoxMaxHeight} = params; - let i, ilen, layout; - for (i = 0, ilen = layouts.length; i < ilen; ++i) { - layout = layouts[i]; - const {fullSize} = layout.box; - const stack = stacks[layout.stack]; - const factor = stack && layout.stackWeight / stack.weight; - if (layout.horizontal) { - layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth; - layout.height = hBoxMaxHeight; - } else { - layout.width = vBoxMaxWidth; - layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight; - } - } - return stacks; -} -function buildLayoutBoxes(boxes) { - const layoutBoxes = wrapBoxes(boxes); - const fullSize = sortByWeight(layoutBoxes.filter(wrap => wrap.box.fullSize), true); - const left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true); - const right = sortByWeight(filterByPosition(layoutBoxes, 'right')); - const top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true); - const bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom')); - const centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x'); - const centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y'); - return { - fullSize, - leftAndTop: left.concat(top), - rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal), - chartArea: filterByPosition(layoutBoxes, 'chartArea'), - vertical: left.concat(right).concat(centerVertical), - horizontal: top.concat(bottom).concat(centerHorizontal) - }; -} -function getCombinedMax(maxPadding, chartArea, a, b) { - return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]); -} -function updateMaxPadding(maxPadding, boxPadding) { - 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); -} -function updateDims(chartArea, params, layout, stacks) { - const {pos, box} = layout; - const maxPadding = chartArea.maxPadding; - if (!isObject(pos)) { - if (layout.size) { - chartArea[pos] -= layout.size; - } - const stack = stacks[layout.stack] || {size: 0, count: 1}; - stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width); - layout.size = stack.size / stack.count; - chartArea[pos] += layout.size; - } - if (box.getPadding) { - updateMaxPadding(maxPadding, box.getPadding()); - } - const newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right')); - const newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom')); - const widthChanged = newWidth !== chartArea.w; - const heightChanged = newHeight !== chartArea.h; - chartArea.w = newWidth; - chartArea.h = newHeight; - return layout.horizontal - ? {same: widthChanged, other: heightChanged} - : {same: heightChanged, other: widthChanged}; -} -function handleMaxPadding(chartArea) { - const maxPadding = chartArea.maxPadding; - function updatePos(pos) { - const 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) { - const maxPadding = chartArea.maxPadding; - function marginForPositions(positions) { - const margin = {left: 0, top: 0, right: 0, bottom: 0}; - positions.forEach((pos) => { - margin[pos] = Math.max(chartArea[pos], maxPadding[pos]); - }); - return margin; - } - return horizontal - ? marginForPositions(['left', 'right']) - : marginForPositions(['top', 'bottom']); -} -function fitBoxes(boxes, chartArea, params, stacks) { - const refitBoxes = []; - let i, ilen, layout, box, refit, changed; - for (i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i) { - layout = boxes[i]; - box = layout.box; - box.update( - layout.width || chartArea.w, - layout.height || chartArea.h, - getMargins(layout.horizontal, chartArea) - ); - const {same, other} = updateDims(chartArea, params, layout, stacks); - refit |= same && refitBoxes.length; - changed = changed || other; - if (!box.fullSize) { - refitBoxes.push(layout); - } - } - return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed; -} -function setBoxDims(box, left, top, width, height) { - box.top = top; - box.left = left; - box.right = left + width; - box.bottom = top + height; - box.width = width; - box.height = height; -} -function placeBoxes(boxes, chartArea, params, stacks) { - const userPadding = params.padding; - let {x, y} = chartArea; - for (const layout of boxes) { - const box = layout.box; - const stack = stacks[layout.stack] || {count: 1, placed: 0, weight: 1}; - const weight = (layout.stackWeight / stack.weight) || 1; - if (layout.horizontal) { - const width = chartArea.w * weight; - const height = stack.size || box.height; - if (defined(stack.start)) { - y = stack.start; - } - if (box.fullSize) { - setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height); - } else { - setBoxDims(box, chartArea.left + stack.placed, y, width, height); - } - stack.start = y; - stack.placed += width; - y = box.bottom; - } else { - const height = chartArea.h * weight; - const width = stack.size || box.width; - if (defined(stack.start)) { - x = stack.start; - } - if (box.fullSize) { - setBoxDims(box, x, userPadding.top, width, params.outerHeight - userPadding.bottom - userPadding.top); - } else { - setBoxDims(box, x, chartArea.top + stack.placed, width, height); - } - stack.start = x; - stack.placed += height; - x = box.right; - } - } - chartArea.x = x; - chartArea.y = y; -} -defaults.set('layout', { - padding: { - top: 0, - right: 0, - bottom: 0, - left: 0 - } -}); -var layouts = { - addBox(chart, item) { - if (!chart.boxes) { - chart.boxes = []; - } - item.fullSize = item.fullSize || false; - item.position = item.position || 'top'; - item.weight = item.weight || 0; - item._layers = item._layers || function() { - return [{ - z: 0, - draw(chartArea) { - item.draw(chartArea); - } - }]; - }; - chart.boxes.push(item); - }, - removeBox(chart, layoutItem) { - const index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; - if (index !== -1) { - chart.boxes.splice(index, 1); - } - }, - configure(chart, item, options) { - item.fullSize = options.fullSize; - item.position = options.position; - item.weight = options.weight; - }, - update(chart, width, height, minPadding) { - if (!chart) { - return; - } - const padding = toPadding(chart.options.layout.padding); - const availableWidth = Math.max(width - padding.width, 0); - const availableHeight = Math.max(height - padding.height, 0); - const boxes = buildLayoutBoxes(chart.boxes); - const verticalBoxes = boxes.vertical; - const horizontalBoxes = boxes.horizontal; - each(chart.boxes, box => { - if (typeof box.beforeLayout === 'function') { - box.beforeLayout(); - } - }); - const visibleVerticalBoxCount = verticalBoxes.reduce((total, wrap) => - wrap.box.options && wrap.box.options.display === false ? total : total + 1, 0) || 1; - const params = Object.freeze({ - outerWidth: width, - outerHeight: height, - padding, - availableWidth, - availableHeight, - vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount, - hBoxMaxHeight: availableHeight / 2 - }); - const maxPadding = Object.assign({}, padding); - updateMaxPadding(maxPadding, toPadding(minPadding)); - const chartArea = Object.assign({ - maxPadding, - w: availableWidth, - h: availableHeight, - x: padding.left, - y: padding.top - }, padding); - const stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params); - fitBoxes(boxes.fullSize, chartArea, params, stacks); - fitBoxes(verticalBoxes, chartArea, params, stacks); - if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) { - fitBoxes(verticalBoxes, chartArea, params, stacks); - } - handleMaxPadding(chartArea); - placeBoxes(boxes.leftAndTop, chartArea, params, stacks); - chartArea.x += chartArea.w; - chartArea.y += chartArea.h; - placeBoxes(boxes.rightAndBottom, chartArea, params, stacks); - chart.chartArea = { - left: chartArea.left, - top: chartArea.top, - right: chartArea.left + chartArea.w, - bottom: chartArea.top + chartArea.h, - height: chartArea.h, - width: chartArea.w, - }; - each(boxes.chartArea, (layout) => { - const box = layout.box; - Object.assign(box, chart.chartArea); - box.update(chartArea.w, chartArea.h); - }); - } -}; - -function _createResolver(scopes, prefixes = [''], rootScopes = scopes, fallback, getTarget = () => scopes[0]) { - if (!defined(fallback)) { - fallback = _resolve('_fallback', scopes); - } - const cache = { - [Symbol.toStringTag]: 'Object', - _cacheable: true, - _scopes: scopes, - _rootScopes: rootScopes, - _fallback: fallback, - _getTarget: getTarget, - override: (scope) => _createResolver([scope, ...scopes], prefixes, rootScopes, fallback), - }; - return new Proxy(cache, { - deleteProperty(target, prop) { - delete target[prop]; - delete target._keys; - delete scopes[0][prop]; - return true; - }, - get(target, prop) { - return _cached(target, prop, - () => _resolveWithPrefixes(prop, prefixes, scopes, target)); - }, - getOwnPropertyDescriptor(target, prop) { - return Reflect.getOwnPropertyDescriptor(target._scopes[0], prop); - }, - getPrototypeOf() { - return Reflect.getPrototypeOf(scopes[0]); - }, - has(target, prop) { - return getKeysFromAllScopes(target).includes(prop); - }, - ownKeys(target) { - return getKeysFromAllScopes(target); - }, - set(target, prop, value) { - const storage = target._storage || (target._storage = getTarget()); - storage[prop] = value; - delete target[prop]; - delete target._keys; - return true; - } - }); -} -function _attachContext(proxy, context, subProxy, descriptorDefaults) { - const cache = { - _cacheable: false, - _proxy: proxy, - _context: context, - _subProxy: subProxy, - _stack: new Set(), - _descriptors: _descriptors(proxy, descriptorDefaults), - setContext: (ctx) => _attachContext(proxy, ctx, subProxy, descriptorDefaults), - override: (scope) => _attachContext(proxy.override(scope), context, subProxy, descriptorDefaults) - }; - return new Proxy(cache, { - deleteProperty(target, prop) { - delete target[prop]; - delete proxy[prop]; - return true; - }, - get(target, prop, receiver) { - return _cached(target, prop, - () => _resolveWithContext(target, prop, receiver)); - }, - getOwnPropertyDescriptor(target, prop) { - return target._descriptors.allKeys - ? Reflect.has(proxy, prop) ? {enumerable: true, configurable: true} : undefined - : Reflect.getOwnPropertyDescriptor(proxy, prop); - }, - getPrototypeOf() { - return Reflect.getPrototypeOf(proxy); - }, - has(target, prop) { - return Reflect.has(proxy, prop); - }, - ownKeys() { - return Reflect.ownKeys(proxy); - }, - set(target, prop, value) { - proxy[prop] = value; - delete target[prop]; - return true; - } - }); -} -function _descriptors(proxy, defaults = {scriptable: true, indexable: true}) { - const {_scriptable = defaults.scriptable, _indexable = defaults.indexable, _allKeys = defaults.allKeys} = proxy; - return { - allKeys: _allKeys, - scriptable: _scriptable, - indexable: _indexable, - isScriptable: isFunction(_scriptable) ? _scriptable : () => _scriptable, - isIndexable: isFunction(_indexable) ? _indexable : () => _indexable - }; -} -const readKey = (prefix, name) => prefix ? prefix + _capitalize(name) : name; -const needsSubResolver = (prop, value) => isObject(value) && prop !== 'adapters'; -function _cached(target, prop, resolve) { - let value = target[prop]; - if (defined(value)) { - return value; - } - value = resolve(); - if (defined(value)) { - target[prop] = value; - } - return value; -} -function _resolveWithContext(target, prop, receiver) { - const {_proxy, _context, _subProxy, _descriptors: descriptors} = target; - let value = _proxy[prop]; - if (isFunction(value) && descriptors.isScriptable(prop)) { - value = _resolveScriptable(prop, value, target, receiver); - } - if (isArray(value) && value.length) { - value = _resolveArray(prop, value, target, descriptors.isIndexable); - } - if (needsSubResolver(prop, value)) { - value = _attachContext(value, _context, _subProxy && _subProxy[prop], descriptors); - } - return value; -} -function _resolveScriptable(prop, value, target, receiver) { - const {_proxy, _context, _subProxy, _stack} = target; - if (_stack.has(prop)) { - throw new Error('Recursion detected: ' + Array.from(_stack).join('->') + '->' + prop); - } - _stack.add(prop); - value = value(_context, _subProxy || receiver); - _stack.delete(prop); - if (isObject(value)) { - value = createSubResolver(_proxy._scopes, _proxy, prop, value); - } - return value; -} -function _resolveArray(prop, value, target, isIndexable) { - const {_proxy, _context, _subProxy, _descriptors: descriptors} = target; - if (defined(_context.index) && isIndexable(prop)) { - value = value[_context.index % value.length]; - } else if (isObject(value[0])) { - const arr = value; - const scopes = _proxy._scopes.filter(s => s !== arr); - value = []; - for (const item of arr) { - const resolver = createSubResolver(scopes, _proxy, prop, item); - value.push(_attachContext(resolver, _context, _subProxy && _subProxy[prop], descriptors)); - } - } - return value; -} -function resolveFallback(fallback, prop, value) { - return isFunction(fallback) ? fallback(prop, value) : fallback; -} -const getScope = (key, parent) => key === true ? parent - : typeof key === 'string' ? resolveObjectKey(parent, key) : undefined; -function addScopes(set, parentScopes, key, parentFallback) { - for (const parent of parentScopes) { - const scope = getScope(key, parent); - if (scope) { - set.add(scope); - const fallback = resolveFallback(scope._fallback, key, scope); - if (defined(fallback) && fallback !== key && fallback !== parentFallback) { - return fallback; - } - } else if (scope === false && defined(parentFallback) && key !== parentFallback) { - return null; - } - } - return false; -} -function createSubResolver(parentScopes, resolver, prop, value) { - const rootScopes = resolver._rootScopes; - const fallback = resolveFallback(resolver._fallback, prop, value); - const allScopes = [...parentScopes, ...rootScopes]; - const set = new Set(); - set.add(value); - let key = addScopesFromKey(set, allScopes, prop, fallback || prop); - if (key === null) { - return false; - } - if (defined(fallback) && fallback !== prop) { - key = addScopesFromKey(set, allScopes, fallback, key); - if (key === null) { - return false; - } - } - return _createResolver(Array.from(set), [''], rootScopes, fallback, - () => subGetTarget(resolver, prop, value)); -} -function addScopesFromKey(set, allScopes, key, fallback) { - while (key) { - key = addScopes(set, allScopes, key, fallback); - } - return key; -} -function subGetTarget(resolver, prop, value) { - const parent = resolver._getTarget(); - if (!(prop in parent)) { - parent[prop] = {}; - } - const target = parent[prop]; - if (isArray(target) && isObject(value)) { - return value; - } - return target; -} -function _resolveWithPrefixes(prop, prefixes, scopes, proxy) { - let value; - for (const prefix of prefixes) { - value = _resolve(readKey(prefix, prop), scopes); - if (defined(value)) { - return needsSubResolver(prop, value) - ? createSubResolver(scopes, proxy, prop, value) - : value; - } - } -} -function _resolve(key, scopes) { - for (const scope of scopes) { - if (!scope) { - continue; - } - const value = scope[key]; - if (defined(value)) { - return value; - } - } -} -function getKeysFromAllScopes(target) { - let keys = target._keys; - if (!keys) { - keys = target._keys = resolveKeysFromAllScopes(target._scopes); - } - return keys; -} -function resolveKeysFromAllScopes(scopes) { - const set = new Set(); - for (const scope of scopes) { - for (const key of Object.keys(scope).filter(k => !k.startsWith('_'))) { - set.add(key); - } - } - return Array.from(set); -} - -const EPSILON = Number.EPSILON || 1e-14; -const getPoint = (points, i) => i < points.length && !points[i].skip && points[i]; -const getValueAxis = (indexAxis) => indexAxis === 'x' ? 'y' : 'x'; -function splineCurve(firstPoint, middlePoint, afterPoint, t) { - const previous = firstPoint.skip ? middlePoint : firstPoint; - const current = middlePoint; - const next = afterPoint.skip ? middlePoint : afterPoint; - const d01 = distanceBetweenPoints(current, previous); - const d12 = distanceBetweenPoints(next, current); - let s01 = d01 / (d01 + d12); - let s12 = d12 / (d01 + d12); - s01 = isNaN(s01) ? 0 : s01; - s12 = isNaN(s12) ? 0 : s12; - const fa = t * s01; - const fb = t * s12; - return { - previous: { - x: current.x - fa * (next.x - previous.x), - y: current.y - fa * (next.y - previous.y) - }, - next: { - x: current.x + fb * (next.x - previous.x), - y: current.y + fb * (next.y - previous.y) - } - }; -} -function monotoneAdjust(points, deltaK, mK) { - const pointsLen = points.length; - let alphaK, betaK, tauK, squaredMagnitude, pointCurrent; - let pointAfter = getPoint(points, 0); - for (let i = 0; i < pointsLen - 1; ++i) { - pointCurrent = pointAfter; - pointAfter = getPoint(points, i + 1); - if (!pointCurrent || !pointAfter) { - continue; - } - if (almostEquals(deltaK[i], 0, EPSILON)) { - mK[i] = mK[i + 1] = 0; - continue; - } - alphaK = mK[i] / deltaK[i]; - betaK = mK[i + 1] / deltaK[i]; - squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); - if (squaredMagnitude <= 9) { - continue; - } - tauK = 3 / Math.sqrt(squaredMagnitude); - mK[i] = alphaK * tauK * deltaK[i]; - mK[i + 1] = betaK * tauK * deltaK[i]; - } -} -function monotoneCompute(points, mK, indexAxis = 'x') { - const valueAxis = getValueAxis(indexAxis); - const pointsLen = points.length; - let delta, pointBefore, pointCurrent; - let pointAfter = getPoint(points, 0); - for (let i = 0; i < pointsLen; ++i) { - pointBefore = pointCurrent; - pointCurrent = pointAfter; - pointAfter = getPoint(points, i + 1); - if (!pointCurrent) { - continue; - } - const iPixel = pointCurrent[indexAxis]; - const vPixel = pointCurrent[valueAxis]; - if (pointBefore) { - delta = (iPixel - pointBefore[indexAxis]) / 3; - pointCurrent[`cp1${indexAxis}`] = iPixel - delta; - pointCurrent[`cp1${valueAxis}`] = vPixel - delta * mK[i]; - } - if (pointAfter) { - delta = (pointAfter[indexAxis] - iPixel) / 3; - pointCurrent[`cp2${indexAxis}`] = iPixel + delta; - pointCurrent[`cp2${valueAxis}`] = vPixel + delta * mK[i]; - } - } -} -function splineCurveMonotone(points, indexAxis = 'x') { - const valueAxis = getValueAxis(indexAxis); - const pointsLen = points.length; - const deltaK = Array(pointsLen).fill(0); - const mK = Array(pointsLen); - let i, pointBefore, pointCurrent; - let pointAfter = getPoint(points, 0); - for (i = 0; i < pointsLen; ++i) { - pointBefore = pointCurrent; - pointCurrent = pointAfter; - pointAfter = getPoint(points, i + 1); - if (!pointCurrent) { - continue; - } - if (pointAfter) { - const slopeDelta = pointAfter[indexAxis] - pointCurrent[indexAxis]; - deltaK[i] = slopeDelta !== 0 ? (pointAfter[valueAxis] - pointCurrent[valueAxis]) / slopeDelta : 0; - } - mK[i] = !pointBefore ? deltaK[i] - : !pointAfter ? deltaK[i - 1] - : (sign(deltaK[i - 1]) !== sign(deltaK[i])) ? 0 - : (deltaK[i - 1] + deltaK[i]) / 2; - } - monotoneAdjust(points, deltaK, mK); - monotoneCompute(points, mK, indexAxis); -} -function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); -} -function capBezierPoints(points, area) { - let i, ilen, point, inArea, inAreaPrev; - let inAreaNext = _isPointInArea(points[0], area); - for (i = 0, ilen = points.length; i < ilen; ++i) { - inAreaPrev = inArea; - inArea = inAreaNext; - inAreaNext = i < ilen - 1 && _isPointInArea(points[i + 1], area); - if (!inArea) { - continue; - } - point = points[i]; - if (inAreaPrev) { - point.cp1x = capControlPoint(point.cp1x, area.left, area.right); - point.cp1y = capControlPoint(point.cp1y, area.top, area.bottom); - } - if (inAreaNext) { - point.cp2x = capControlPoint(point.cp2x, area.left, area.right); - point.cp2y = capControlPoint(point.cp2y, area.top, area.bottom); - } - } -} -function _updateBezierControlPoints(points, options, area, loop, indexAxis) { - let i, ilen, point, controlPoints; - if (options.spanGaps) { - points = points.filter((pt) => !pt.skip); - } - if (options.cubicInterpolationMode === 'monotone') { - splineCurveMonotone(points, indexAxis); - } else { - let prev = loop ? points[points.length - 1] : points[0]; - for (i = 0, ilen = points.length; i < ilen; ++i) { - point = points[i]; - controlPoints = splineCurve( - prev, - point, - points[Math.min(i + 1, ilen - (loop ? 0 : 1)) % ilen], - options.tension - ); - point.cp1x = controlPoints.previous.x; - point.cp1y = controlPoints.previous.y; - point.cp2x = controlPoints.next.x; - point.cp2y = controlPoints.next.y; - prev = point; - } - } - if (options.capBezierPoints) { - capBezierPoints(points, area); - } -} - -const atEdge = (t) => t === 0 || t === 1; -const elasticIn = (t, s, p) => -(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * TAU / p)); -const elasticOut = (t, s, p) => Math.pow(2, -10 * t) * Math.sin((t - s) * TAU / p) + 1; -const effects = { - linear: t => t, - easeInQuad: t => t * t, - easeOutQuad: t => -t * (t - 2), - easeInOutQuad: t => ((t /= 0.5) < 1) - ? 0.5 * t * t - : -0.5 * ((--t) * (t - 2) - 1), - easeInCubic: t => t * t * t, - easeOutCubic: t => (t -= 1) * t * t + 1, - easeInOutCubic: t => ((t /= 0.5) < 1) - ? 0.5 * t * t * t - : 0.5 * ((t -= 2) * t * t + 2), - easeInQuart: t => t * t * t * t, - easeOutQuart: t => -((t -= 1) * t * t * t - 1), - easeInOutQuart: t => ((t /= 0.5) < 1) - ? 0.5 * t * t * t * t - : -0.5 * ((t -= 2) * t * t * t - 2), - easeInQuint: t => t * t * t * t * t, - easeOutQuint: t => (t -= 1) * t * t * t * t + 1, - easeInOutQuint: t => ((t /= 0.5) < 1) - ? 0.5 * t * t * t * t * t - : 0.5 * ((t -= 2) * t * t * t * t + 2), - easeInSine: t => -Math.cos(t * HALF_PI) + 1, - easeOutSine: t => Math.sin(t * HALF_PI), - easeInOutSine: t => -0.5 * (Math.cos(PI * t) - 1), - easeInExpo: t => (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)), - easeOutExpo: t => (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1, - easeInOutExpo: t => atEdge(t) ? t : t < 0.5 - ? 0.5 * Math.pow(2, 10 * (t * 2 - 1)) - : 0.5 * (-Math.pow(2, -10 * (t * 2 - 1)) + 2), - easeInCirc: t => (t >= 1) ? t : -(Math.sqrt(1 - t * t) - 1), - easeOutCirc: t => Math.sqrt(1 - (t -= 1) * t), - easeInOutCirc: t => ((t /= 0.5) < 1) - ? -0.5 * (Math.sqrt(1 - t * t) - 1) - : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1), - easeInElastic: t => atEdge(t) ? t : elasticIn(t, 0.075, 0.3), - easeOutElastic: t => atEdge(t) ? t : elasticOut(t, 0.075, 0.3), - easeInOutElastic(t) { - const s = 0.1125; - const p = 0.45; - return atEdge(t) ? t : - t < 0.5 - ? 0.5 * elasticIn(t * 2, s, p) - : 0.5 + 0.5 * elasticOut(t * 2 - 1, s, p); - }, - easeInBack(t) { - const s = 1.70158; - return t * t * ((s + 1) * t - s); - }, - easeOutBack(t) { - const s = 1.70158; - return (t -= 1) * t * ((s + 1) * t + s) + 1; - }, - easeInOutBack(t) { - let 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: t => 1 - effects.easeOutBounce(1 - t), - easeOutBounce(t) { - const m = 7.5625; - const d = 2.75; - if (t < (1 / d)) { - return m * t * t; - } - if (t < (2 / d)) { - return m * (t -= (1.5 / d)) * t + 0.75; - } - if (t < (2.5 / d)) { - return m * (t -= (2.25 / d)) * t + 0.9375; - } - return m * (t -= (2.625 / d)) * t + 0.984375; - }, - easeInOutBounce: t => (t < 0.5) - ? effects.easeInBounce(t * 2) * 0.5 - : effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5, -}; - -function _pointInLine(p1, p2, t, mode) { - return { - x: p1.x + t * (p2.x - p1.x), - y: p1.y + t * (p2.y - p1.y) - }; -} -function _steppedInterpolation(p1, p2, t, mode) { - return { - x: p1.x + t * (p2.x - p1.x), - y: mode === 'middle' ? t < 0.5 ? p1.y : p2.y - : mode === 'after' ? t < 1 ? p1.y : p2.y - : t > 0 ? p2.y : p1.y - }; -} -function _bezierInterpolation(p1, p2, t, mode) { - const cp1 = {x: p1.cp2x, y: p1.cp2y}; - const cp2 = {x: p2.cp1x, y: p2.cp1y}; - const a = _pointInLine(p1, cp1, t); - const b = _pointInLine(cp1, cp2, t); - const c = _pointInLine(cp2, p2, t); - const d = _pointInLine(a, b, t); - const e = _pointInLine(b, c, t); - return _pointInLine(d, e, t); -} - -const intlCache = new Map(); -function getNumberFormat(locale, options) { - options = options || {}; - const cacheKey = locale + JSON.stringify(options); - let formatter = intlCache.get(cacheKey); - if (!formatter) { - formatter = new Intl.NumberFormat(locale, options); - intlCache.set(cacheKey, formatter); - } - return formatter; -} -function formatNumber(num, locale, options) { - return getNumberFormat(locale, options).format(num); -} - -const getRightToLeftAdapter = function(rectX, width) { - return { - x(x) { - return rectX + rectX + width - x; - }, - setWidth(w) { - width = w; - }, - textAlign(align) { - if (align === 'center') { - return align; - } - return align === 'right' ? 'left' : 'right'; - }, - xPlus(x, value) { - return x - value; - }, - leftForLtr(x, itemWidth) { - return x - itemWidth; - }, - }; -}; -const getLeftToRightAdapter = function() { - return { - x(x) { - return x; - }, - setWidth(w) { - }, - textAlign(align) { - return align; - }, - xPlus(x, value) { - return x + value; - }, - leftForLtr(x, _itemWidth) { - return x; - }, - }; -}; -function getRtlAdapter(rtl, rectX, width) { - return rtl ? getRightToLeftAdapter(rectX, width) : getLeftToRightAdapter(); -} -function overrideTextDirection(ctx, direction) { - let 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; - } -} -function restoreTextDirection(ctx, original) { - if (original !== undefined) { - delete ctx.prevTextDirection; - ctx.canvas.style.setProperty('direction', original[0], original[1]); - } -} - -function propertyFn(property) { - if (property === 'angle') { - return { - between: _angleBetween, - compare: _angleDiff, - normalize: _normalizeAngle, - }; - } - return { - between: (n, s, e) => n >= Math.min(s, e) && n <= Math.max(e, s), - compare: (a, b) => a - b, - normalize: x => x - }; -} -function normalizeSegment({start, end, count, loop, style}) { - return { - start: start % count, - end: end % count, - loop: loop && (end - start + 1) % count === 0, - style - }; -} -function getSegment(segment, points, bounds) { - const {property, start: startBound, end: endBound} = bounds; - const {between, normalize} = propertyFn(property); - const count = points.length; - let {start, end, loop} = segment; - let i, ilen; - if (loop) { - start += count; - end += count; - for (i = 0, ilen = count; i < ilen; ++i) { - if (!between(normalize(points[start % count][property]), startBound, endBound)) { - break; - } - start--; - end--; - } - start %= count; - end %= count; - } - if (end < start) { - end += count; - } - return {start, end, loop, style: segment.style}; -} -function _boundSegment(segment, points, bounds) { - if (!bounds) { - return [segment]; - } - const {property, start: startBound, end: endBound} = bounds; - const count = points.length; - const {compare, between, normalize} = propertyFn(property); - const {start, end, loop, style} = getSegment(segment, points, bounds); - const result = []; - let inside = false; - let subStart = null; - let value, point, prevValue; - const startIsBefore = () => between(startBound, prevValue, value) && compare(startBound, prevValue) !== 0; - const endIsBefore = () => compare(endBound, value) === 0 || between(endBound, prevValue, value); - const shouldStart = () => inside || startIsBefore(); - const shouldStop = () => !inside || endIsBefore(); - for (let i = start, prev = start; i <= end; ++i) { - point = points[i % count]; - if (point.skip) { - continue; - } - value = normalize(point[property]); - if (value === prevValue) { - continue; - } - inside = between(value, startBound, endBound); - if (subStart === null && shouldStart()) { - subStart = compare(value, startBound) === 0 ? i : prev; - } - if (subStart !== null && shouldStop()) { - result.push(normalizeSegment({start: subStart, end: i, loop, count, style})); - subStart = null; - } - prev = i; - prevValue = value; - } - if (subStart !== null) { - result.push(normalizeSegment({start: subStart, end, loop, count, style})); - } - return result; -} -function _boundSegments(line, bounds) { - const result = []; - const segments = line.segments; - for (let i = 0; i < segments.length; i++) { - const sub = _boundSegment(segments[i], line.points, bounds); - if (sub.length) { - result.push(...sub); - } - } - return result; -} -function findStartAndEnd(points, count, loop, spanGaps) { - let start = 0; - let end = count - 1; - if (loop && !spanGaps) { - while (start < count && !points[start].skip) { - start++; - } - } - while (start < count && points[start].skip) { - start++; - } - start %= count; - if (loop) { - end += start; - } - while (end > start && points[end % count].skip) { - end--; - } - end %= count; - return {start, end}; -} -function solidSegments(points, start, max, loop) { - const count = points.length; - const result = []; - let last = start; - let prev = points[start]; - let end; - for (end = start + 1; end <= max; ++end) { - const cur = points[end % count]; - if (cur.skip || cur.stop) { - if (!prev.skip) { - loop = false; - result.push({start: start % count, end: (end - 1) % count, loop}); - start = last = cur.stop ? end : null; - } - } else { - last = end; - if (prev.skip) { - start = end; - } - } - prev = cur; - } - if (last !== null) { - result.push({start: start % count, end: last % count, loop}); - } - return result; -} -function _computeSegments(line, segmentOptions) { - const points = line.points; - const spanGaps = line.options.spanGaps; - const count = points.length; - if (!count) { - return []; - } - const loop = !!line._loop; - const {start, end} = findStartAndEnd(points, count, loop, spanGaps); - if (spanGaps === true) { - return splitByStyles(line, [{start, end, loop}], points, segmentOptions); - } - const max = end < start ? end + count : end; - const completeLoop = !!line._fullLoop && start === 0 && end === count - 1; - return splitByStyles(line, solidSegments(points, start, max, completeLoop), points, segmentOptions); -} -function splitByStyles(line, segments, points, segmentOptions) { - if (!segmentOptions || !segmentOptions.setContext || !points) { - return segments; - } - return doSplitByStyles(line, segments, points, segmentOptions); -} -function doSplitByStyles(line, segments, points, segmentOptions) { - const baseStyle = readStyle(line.options); - const count = points.length; - const result = []; - let start = segments[0].start; - let i = start; - for (const segment of segments) { - let prevStyle = baseStyle; - let prev = points[start % count]; - let style; - for (i = start + 1; i <= segment.end; i++) { - const pt = points[i % count]; - style = readStyle(segmentOptions.setContext({ - type: 'segment', - p0: prev, - p1: pt, - p0DataIndex: (i - 1) % count, - p1DataIndex: i % count, - datasetIndex: line._datasetIndex - })); - if (styleChanged(style, prevStyle)) { - result.push({start: start, end: i - 1, loop: segment.loop, style: prevStyle}); - prevStyle = style; - start = i - 1; - } - prev = pt; - prevStyle = style; - } - if (start < i - 1) { - result.push({start, end: i - 1, loop: segment.loop, style}); - start = i - 1; - } - } - return result; -} -function readStyle(options) { - return { - backgroundColor: options.backgroundColor, - borderCapStyle: options.borderCapStyle, - borderDash: options.borderDash, - borderDashOffset: options.borderDashOffset, - borderJoinStyle: options.borderJoinStyle, - borderWidth: options.borderWidth, - borderColor: options.borderColor - }; -} -function styleChanged(style, prevStyle) { - return prevStyle && JSON.stringify(style) !== JSON.stringify(prevStyle); -} - -var helpers = /*#__PURE__*/Object.freeze({ -__proto__: null, -easingEffects: effects, -color: color, -getHoverColor: getHoverColor, -noop: noop, -uid: uid, -isNullOrUndef: isNullOrUndef, -isArray: isArray, -isObject: isObject, -isFinite: isNumberFinite, -finiteOrDefault: finiteOrDefault, -valueOrDefault: valueOrDefault, -toPercentage: toPercentage, -toDimension: toDimension, -callback: callback, -each: each, -_elementsEqual: _elementsEqual, -clone: clone, -_merger: _merger, -merge: merge, -mergeIf: mergeIf, -_mergerIf: _mergerIf, -_deprecated: _deprecated, -resolveObjectKey: resolveObjectKey, -_capitalize: _capitalize, -defined: defined, -isFunction: isFunction, -setsEqual: setsEqual, -toFontString: toFontString, -_measureText: _measureText, -_longestText: _longestText, -_alignPixel: _alignPixel, -clearCanvas: clearCanvas, -drawPoint: drawPoint, -_isPointInArea: _isPointInArea, -clipArea: clipArea, -unclipArea: unclipArea, -_steppedLineTo: _steppedLineTo, -_bezierCurveTo: _bezierCurveTo, -renderText: renderText, -addRoundedRectPath: addRoundedRectPath, -_lookup: _lookup, -_lookupByKey: _lookupByKey, -_rlookupByKey: _rlookupByKey, -_filterBetween: _filterBetween, -listenArrayEvents: listenArrayEvents, -unlistenArrayEvents: unlistenArrayEvents, -_arrayUnique: _arrayUnique, -_createResolver: _createResolver, -_attachContext: _attachContext, -_descriptors: _descriptors, -splineCurve: splineCurve, -splineCurveMonotone: splineCurveMonotone, -_updateBezierControlPoints: _updateBezierControlPoints, -_isDomSupported: _isDomSupported, -_getParentNode: _getParentNode, -getStyle: getStyle, -getRelativePosition: getRelativePosition$1, -getMaximumSize: getMaximumSize, -retinaScale: retinaScale, -supportsEventListenerOptions: supportsEventListenerOptions, -readUsedSize: readUsedSize, -fontString: fontString, -requestAnimFrame: requestAnimFrame, -throttled: throttled, -debounce: debounce, -_toLeftRightCenter: _toLeftRightCenter, -_alignStartEnd: _alignStartEnd, -_textX: _textX, -_pointInLine: _pointInLine, -_steppedInterpolation: _steppedInterpolation, -_bezierInterpolation: _bezierInterpolation, -formatNumber: formatNumber, -toLineHeight: toLineHeight, -_readValueToProps: _readValueToProps, -toTRBL: toTRBL, -toTRBLCorners: toTRBLCorners, -toPadding: toPadding, -toFont: toFont, -resolve: resolve, -_addGrace: _addGrace, -PI: PI, -TAU: TAU, -PITAU: PITAU, -INFINITY: INFINITY, -RAD_PER_DEG: RAD_PER_DEG, -HALF_PI: HALF_PI, -QUARTER_PI: QUARTER_PI, -TWO_THIRDS_PI: TWO_THIRDS_PI, -log10: log10, -sign: sign, -niceNum: niceNum, -_factorize: _factorize, -isNumber: isNumber, -almostEquals: almostEquals, -almostWhole: almostWhole, -_setMinAndMaxByKey: _setMinAndMaxByKey, -toRadians: toRadians, -toDegrees: toDegrees, -_decimalPlaces: _decimalPlaces, -getAngleFromPoint: getAngleFromPoint, -distanceBetweenPoints: distanceBetweenPoints, -_angleDiff: _angleDiff, -_normalizeAngle: _normalizeAngle, -_angleBetween: _angleBetween, -_limitValue: _limitValue, -_int16Range: _int16Range, -getRtlAdapter: getRtlAdapter, -overrideTextDirection: overrideTextDirection, -restoreTextDirection: restoreTextDirection, -_boundSegment: _boundSegment, -_boundSegments: _boundSegments, -_computeSegments: _computeSegments -}); - -class BasePlatform { - acquireContext(canvas, aspectRatio) {} - releaseContext(context) { - return false; - } - addEventListener(chart, type, listener) {} - removeEventListener(chart, type, listener) {} - getDevicePixelRatio() { - return 1; - } - getMaximumSize(element, width, height, aspectRatio) { - width = Math.max(0, width || element.width); - height = height || element.height; - return { - width, - height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height) - }; - } - isAttached(canvas) { - return true; - } -} - -class BasicPlatform extends BasePlatform { - acquireContext(item) { - return item && item.getContext && item.getContext('2d') || null; - } -} - -const EXPANDO_KEY = '$chartjs'; -const EVENT_TYPES = { - touchstart: 'mousedown', - touchmove: 'mousemove', - touchend: 'mouseup', - pointerenter: 'mouseenter', - pointerdown: 'mousedown', - pointermove: 'mousemove', - pointerup: 'mouseup', - pointerleave: 'mouseout', - pointerout: 'mouseout' -}; -const isNullOrEmpty = value => value === null || value === ''; -function initCanvas(canvas, aspectRatio) { - const style = canvas.style; - const renderHeight = canvas.getAttribute('height'); - const renderWidth = canvas.getAttribute('width'); - canvas[EXPANDO_KEY] = { - initial: { - height: renderHeight, - width: renderWidth, - style: { - display: style.display, - height: style.height, - width: style.width - } - } - }; - style.display = style.display || 'block'; - style.boxSizing = style.boxSizing || 'border-box'; - if (isNullOrEmpty(renderWidth)) { - const displayWidth = readUsedSize(canvas, 'width'); - if (displayWidth !== undefined) { - canvas.width = displayWidth; - } - } - if (isNullOrEmpty(renderHeight)) { - if (canvas.style.height === '') { - canvas.height = canvas.width / (aspectRatio || 2); - } else { - const displayHeight = readUsedSize(canvas, 'height'); - if (displayHeight !== undefined) { - canvas.height = displayHeight; - } - } - } - return canvas; -} -const eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; -function addListener(node, type, listener) { - node.addEventListener(type, listener, eventListenerOptions); -} -function removeListener(chart, type, listener) { - chart.canvas.removeEventListener(type, listener, eventListenerOptions); -} -function fromNativeEvent(event, chart) { - const type = EVENT_TYPES[event.type] || event.type; - const {x, y} = getRelativePosition$1(event, chart); - return { - type, - chart, - native: event, - x: x !== undefined ? x : null, - y: y !== undefined ? y : null, - }; -} -function createAttachObserver(chart, type, listener) { - const canvas = chart.canvas; - const container = canvas && _getParentNode(canvas); - const element = container || canvas; - const observer = new MutationObserver(entries => { - const parent = _getParentNode(element); - entries.forEach(entry => { - for (let i = 0; i < entry.addedNodes.length; i++) { - const added = entry.addedNodes[i]; - if (added === element || added === parent) { - listener(entry.target); - } - } - }); - }); - observer.observe(document, {childList: true, subtree: true}); - return observer; -} -function createDetachObserver(chart, type, listener) { - const canvas = chart.canvas; - const container = canvas && _getParentNode(canvas); - if (!container) { - return; - } - const observer = new MutationObserver(entries => { - entries.forEach(entry => { - for (let i = 0; i < entry.removedNodes.length; i++) { - if (entry.removedNodes[i] === canvas) { - listener(); - break; - } - } - }); - }); - observer.observe(container, {childList: true}); - return observer; -} -const drpListeningCharts = new Map(); -let oldDevicePixelRatio = 0; -function onWindowResize() { - const dpr = window.devicePixelRatio; - if (dpr === oldDevicePixelRatio) { - return; - } - oldDevicePixelRatio = dpr; - drpListeningCharts.forEach((resize, chart) => { - if (chart.currentDevicePixelRatio !== dpr) { - resize(); - } - }); -} -function listenDevicePixelRatioChanges(chart, resize) { - if (!drpListeningCharts.size) { - window.addEventListener('resize', onWindowResize); - } - drpListeningCharts.set(chart, resize); -} -function unlistenDevicePixelRatioChanges(chart) { - drpListeningCharts.delete(chart); - if (!drpListeningCharts.size) { - window.removeEventListener('resize', onWindowResize); - } -} -function createResizeObserver(chart, type, listener) { - const canvas = chart.canvas; - const container = canvas && _getParentNode(canvas); - if (!container) { - return; - } - const resize = throttled((width, height) => { - const w = container.clientWidth; - listener(width, height); - if (w < container.clientWidth) { - listener(); - } - }, window); - const observer = new ResizeObserver(entries => { - const entry = entries[0]; - const width = entry.contentRect.width; - const height = entry.contentRect.height; - if (width === 0 && height === 0) { - return; - } - resize(width, height); - }); - observer.observe(container); - listenDevicePixelRatioChanges(chart, resize); - return observer; -} -function releaseObserver(chart, type, observer) { - if (observer) { - observer.disconnect(); - } - if (type === 'resize') { - unlistenDevicePixelRatioChanges(chart); - } -} -function createProxyAndListen(chart, type, listener) { - const canvas = chart.canvas; - const proxy = throttled((event) => { - if (chart.ctx !== null) { - listener(fromNativeEvent(event, chart)); - } - }, chart, (args) => { - const event = args[0]; - return [event, event.offsetX, event.offsetY]; - }); - addListener(canvas, type, proxy); - return proxy; -} -class DomPlatform extends BasePlatform { - acquireContext(canvas, aspectRatio) { - const context = canvas && canvas.getContext && canvas.getContext('2d'); - if (context && context.canvas === canvas) { - initCanvas(canvas, aspectRatio); - return context; - } - return null; - } - releaseContext(context) { - const canvas = context.canvas; - if (!canvas[EXPANDO_KEY]) { - return false; - } - const initial = canvas[EXPANDO_KEY].initial; - ['height', 'width'].forEach((prop) => { - const value = initial[prop]; - if (isNullOrUndef(value)) { - canvas.removeAttribute(prop); - } else { - canvas.setAttribute(prop, value); - } - }); - const style = initial.style || {}; - Object.keys(style).forEach((key) => { - canvas.style[key] = style[key]; - }); - canvas.width = canvas.width; - delete canvas[EXPANDO_KEY]; - return true; - } - addEventListener(chart, type, listener) { - this.removeEventListener(chart, type); - const proxies = chart.$proxies || (chart.$proxies = {}); - const handlers = { - attach: createAttachObserver, - detach: createDetachObserver, - resize: createResizeObserver - }; - const handler = handlers[type] || createProxyAndListen; - proxies[type] = handler(chart, type, listener); - } - removeEventListener(chart, type) { - const proxies = chart.$proxies || (chart.$proxies = {}); - const proxy = proxies[type]; - if (!proxy) { - return; - } - const handlers = { - attach: releaseObserver, - detach: releaseObserver, - resize: releaseObserver - }; - const handler = handlers[type] || removeListener; - handler(chart, type, proxy); - proxies[type] = undefined; - } - getDevicePixelRatio() { - return window.devicePixelRatio; - } - getMaximumSize(canvas, width, height, aspectRatio) { - return getMaximumSize(canvas, width, height, aspectRatio); - } - isAttached(canvas) { - const container = _getParentNode(canvas); - return !!(container && container.isConnected); - } -} - -function _detectPlatform(canvas) { - if (!_isDomSupported() || (typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas)) { - return BasicPlatform; - } - return DomPlatform; -} - -var platforms = /*#__PURE__*/Object.freeze({ -__proto__: null, -_detectPlatform: _detectPlatform, -BasePlatform: BasePlatform, -BasicPlatform: BasicPlatform, -DomPlatform: DomPlatform -}); - -const transparent = 'transparent'; -const interpolators = { - boolean(from, to, factor) { - return factor > 0.5 ? to : from; - }, - color(from, to, factor) { - const c0 = color(from || transparent); - const c1 = c0.valid && color(to || transparent); - return c1 && c1.valid - ? c1.mix(c0, factor).hexString() - : to; - }, - number(from, to, factor) { - return from + (to - from) * factor; - } -}; -class Animation { - constructor(cfg, target, prop, to) { - const currentValue = target[prop]; - to = resolve([cfg.to, to, currentValue, cfg.from]); - const from = resolve([cfg.from, currentValue, to]); - this._active = true; - this._fn = cfg.fn || interpolators[cfg.type || typeof from]; - this._easing = effects[cfg.easing] || effects.linear; - this._start = Math.floor(Date.now() + (cfg.delay || 0)); - this._duration = this._total = Math.floor(cfg.duration); - this._loop = !!cfg.loop; - this._target = target; - this._prop = prop; - this._from = from; - this._to = to; - this._promises = undefined; - } - active() { - return this._active; - } - update(cfg, to, date) { - const me = this; - if (me._active) { - me._notify(false); - const currentValue = me._target[me._prop]; - const elapsed = date - me._start; - const remain = me._duration - elapsed; - me._start = date; - me._duration = Math.floor(Math.max(remain, cfg.duration)); - me._total += elapsed; - me._loop = !!cfg.loop; - me._to = resolve([cfg.to, to, currentValue, cfg.from]); - me._from = resolve([cfg.from, currentValue, to]); - } - } - cancel() { - const me = this; - if (me._active) { - me.tick(Date.now()); - me._active = false; - me._notify(false); - } - } - tick(date) { - const me = this; - const elapsed = date - me._start; - const duration = me._duration; - const prop = me._prop; - const from = me._from; - const loop = me._loop; - const to = me._to; - let factor; - me._active = from !== to && (loop || (elapsed < duration)); - if (!me._active) { - me._target[prop] = to; - me._notify(true); - return; - } - if (elapsed < 0) { - me._target[prop] = from; - return; - } - factor = (elapsed / duration) % 2; - factor = loop && factor > 1 ? 2 - factor : factor; - factor = me._easing(Math.min(1, Math.max(0, factor))); - me._target[prop] = me._fn(from, to, factor); - } - wait() { - const promises = this._promises || (this._promises = []); - return new Promise((res, rej) => { - promises.push({res, rej}); - }); - } - _notify(resolved) { - const method = resolved ? 'res' : 'rej'; - const promises = this._promises || []; - for (let i = 0; i < promises.length; i++) { - promises[i][method](); - } - } -} - -const numbers = ['x', 'y', 'borderWidth', 'radius', 'tension']; -const colors = ['color', 'borderColor', 'backgroundColor']; -defaults.set('animation', { - delay: undefined, - duration: 1000, - easing: 'easeOutQuart', - fn: undefined, - from: undefined, - loop: undefined, - to: undefined, - type: undefined, -}); -const animationOptions = Object.keys(defaults.animation); -defaults.describe('animation', { - _fallback: false, - _indexable: false, - _scriptable: (name) => name !== 'onProgress' && name !== 'onComplete' && name !== 'fn', -}); -defaults.set('animations', { - colors: { - type: 'color', - properties: colors - }, - numbers: { - type: 'number', - properties: numbers - }, -}); -defaults.describe('animations', { - _fallback: 'animation', -}); -defaults.set('transitions', { - active: { - animation: { - duration: 400 - } - }, - resize: { - animation: { - duration: 0 - } - }, - show: { - animations: { - colors: { - from: 'transparent' - }, - visible: { - type: 'boolean', - duration: 0 - }, - } - }, - hide: { - animations: { - colors: { - to: 'transparent' - }, - visible: { - type: 'boolean', - easing: 'linear', - fn: v => v | 0 - }, - } - } -}); -class Animations { - constructor(chart, config) { - this._chart = chart; - this._properties = new Map(); - this.configure(config); - } - configure(config) { - if (!isObject(config)) { - return; - } - const animatedProps = this._properties; - Object.getOwnPropertyNames(config).forEach(key => { - const cfg = config[key]; - if (!isObject(cfg)) { - return; - } - const resolved = {}; - for (const option of animationOptions) { - resolved[option] = cfg[option]; - } - (isArray(cfg.properties) && cfg.properties || [key]).forEach((prop) => { - if (prop === key || !animatedProps.has(prop)) { - animatedProps.set(prop, resolved); - } - }); - }); - } - _animateOptions(target, values) { - const newOptions = values.options; - const options = resolveTargetOptions(target, newOptions); - if (!options) { - return []; - } - const animations = this._createAnimations(options, newOptions); - if (newOptions.$shared) { - awaitAll(target.options.$animations, newOptions).then(() => { - target.options = newOptions; - }, () => { - }); - } - return animations; - } - _createAnimations(target, values) { - const animatedProps = this._properties; - const animations = []; - const running = target.$animations || (target.$animations = {}); - const props = Object.keys(values); - const date = Date.now(); - let i; - for (i = props.length - 1; i >= 0; --i) { - const prop = props[i]; - if (prop.charAt(0) === '$') { - continue; - } - if (prop === 'options') { - animations.push(...this._animateOptions(target, values)); - continue; - } - const value = values[prop]; - let animation = running[prop]; - const cfg = animatedProps.get(prop); - if (animation) { - if (cfg && animation.active()) { - animation.update(cfg, value, date); - continue; - } else { - animation.cancel(); - } - } - if (!cfg || !cfg.duration) { - target[prop] = value; - continue; - } - running[prop] = animation = new Animation(cfg, target, prop, value); - animations.push(animation); - } - return animations; - } - update(target, values) { - if (this._properties.size === 0) { - Object.assign(target, values); - return; - } - const animations = this._createAnimations(target, values); - if (animations.length) { - animator.add(this._chart, animations); - return true; - } - } -} -function awaitAll(animations, properties) { - const running = []; - const keys = Object.keys(properties); - for (let i = 0; i < keys.length; i++) { - const anim = animations[keys[i]]; - if (anim && anim.active()) { - running.push(anim.wait()); - } - } - return Promise.all(running); -} -function resolveTargetOptions(target, newOptions) { - if (!newOptions) { - return; - } - let options = target.options; - if (!options) { - target.options = newOptions; - return; - } - if (options.$shared) { - target.options = options = Object.assign({}, options, {$shared: false, $animations: {}}); - } - return options; -} - -function scaleClip(scale, allowedOverflow) { - const opts = scale && scale.options || {}; - const reverse = opts.reverse; - const min = opts.min === undefined ? allowedOverflow : 0; - const max = opts.max === undefined ? allowedOverflow : 0; - return { - start: reverse ? max : min, - end: reverse ? min : max - }; -} -function defaultClip(xScale, yScale, allowedOverflow) { - if (allowedOverflow === false) { - return false; - } - const x = scaleClip(xScale, allowedOverflow); - const y = scaleClip(yScale, allowedOverflow); - return { - top: y.end, - right: x.end, - bottom: y.start, - left: x.start - }; -} -function toClip(value) { - let t, r, b, l; - if (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, - disabled: value === false - }; -} -function getSortedDatasetIndices(chart, filterVisible) { - const keys = []; - const metasets = chart._getSortedDatasetMetas(filterVisible); - let i, ilen; - for (i = 0, ilen = metasets.length; i < ilen; ++i) { - keys.push(metasets[i].index); - } - return keys; -} -function applyStack(stack, value, dsIndex, options) { - const keys = stack.keys; - const singleMode = options.mode === 'single'; - let i, ilen, datasetIndex, otherValue; - if (value === null) { - return; - } - for (i = 0, ilen = keys.length; i < ilen; ++i) { - datasetIndex = +keys[i]; - if (datasetIndex === dsIndex) { - if (options.all) { - continue; - } - break; - } - otherValue = stack.values[datasetIndex]; - if (isNumberFinite(otherValue) && (singleMode || (value === 0 || sign(value) === sign(otherValue)))) { - value += otherValue; - } - } - return value; -} -function convertObjectDataToArray(data) { - const keys = Object.keys(data); - const adata = new Array(keys.length); - let i, ilen, key; - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - adata[i] = { - x: key, - y: data[key] - }; - } - return adata; -} -function isStacked(scale, meta) { - const stacked = scale && scale.options.stacked; - return stacked || (stacked === undefined && meta.stack !== undefined); -} -function getStackKey(indexScale, valueScale, meta) { - return `${indexScale.id}.${valueScale.id}.${meta.stack || meta.type}`; -} -function getUserBounds(scale) { - const {min, max, minDefined, maxDefined} = scale.getUserBounds(); - return { - min: minDefined ? min : Number.NEGATIVE_INFINITY, - max: maxDefined ? max : Number.POSITIVE_INFINITY - }; -} -function getOrCreateStack(stacks, stackKey, indexValue) { - const subStack = stacks[stackKey] || (stacks[stackKey] = {}); - return subStack[indexValue] || (subStack[indexValue] = {}); -} -function getLastIndexInStack(stack, vScale, positive) { - for (const meta of vScale.getMatchingVisibleMetas('bar').reverse()) { - const value = stack[meta.index]; - if ((positive && value > 0) || (!positive && value < 0)) { - return meta.index; - } - } - return null; -} -function updateStacks(controller, parsed) { - const {chart, _cachedMeta: meta} = controller; - const stacks = chart._stacks || (chart._stacks = {}); - const {iScale, vScale, index: datasetIndex} = meta; - const iAxis = iScale.axis; - const vAxis = vScale.axis; - const key = getStackKey(iScale, vScale, meta); - const ilen = parsed.length; - let stack; - for (let i = 0; i < ilen; ++i) { - const item = parsed[i]; - const {[iAxis]: index, [vAxis]: value} = item; - const itemStacks = item._stacks || (item._stacks = {}); - stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index); - stack[datasetIndex] = value; - stack._top = getLastIndexInStack(stack, vScale, true); - stack._bottom = getLastIndexInStack(stack, vScale, false); - } -} -function getFirstScaleId(chart, axis) { - const scales = chart.scales; - return Object.keys(scales).filter(key => scales[key].axis === axis).shift(); -} -function createDatasetContext(parent, index) { - return Object.assign(Object.create(parent), - { - active: false, - dataset: undefined, - datasetIndex: index, - index, - mode: 'default', - type: 'dataset' - } - ); -} -function createDataContext(parent, index, element) { - return Object.assign(Object.create(parent), { - active: false, - dataIndex: index, - parsed: undefined, - raw: undefined, - element, - index, - mode: 'default', - type: 'data' - }); -} -function clearStacks(meta, items) { - const datasetIndex = meta.controller.index; - const axis = meta.vScale && meta.vScale.axis; - if (!axis) { - return; - } - items = items || meta._parsed; - for (const parsed of items) { - const stacks = parsed._stacks; - if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) { - return; - } - delete stacks[axis][datasetIndex]; - } -} -const isDirectUpdateMode = (mode) => mode === 'reset' || mode === 'none'; -const cloneIfNotShared = (cached, shared) => shared ? cached : Object.assign({}, cached); -class DatasetController { - constructor(chart, datasetIndex) { - this.chart = chart; - this._ctx = chart.ctx; - this.index = datasetIndex; - this._cachedDataOpts = {}; - this._cachedMeta = this.getMeta(); - this._type = this._cachedMeta.type; - this.options = undefined; - this._parsing = false; - this._data = undefined; - this._objectData = undefined; - this._sharedOptions = undefined; - this._drawStart = undefined; - this._drawCount = undefined; - this.enableOptionSharing = false; - this.$context = undefined; - this._syncList = []; - this.initialize(); - } - initialize() { - const me = this; - const meta = me._cachedMeta; - me.configure(); - me.linkScales(); - meta._stacked = isStacked(meta.vScale, meta); - me.addElements(); - } - updateIndex(datasetIndex) { - if (this.index !== datasetIndex) { - clearStacks(this._cachedMeta); - } - this.index = datasetIndex; - } - linkScales() { - const me = this; - const chart = me.chart; - const meta = me._cachedMeta; - const dataset = me.getDataset(); - const chooseId = (axis, x, y, r) => axis === 'x' ? x : axis === 'r' ? r : y; - const xid = meta.xAxisID = valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x')); - const yid = meta.yAxisID = valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y')); - const rid = meta.rAxisID = valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r')); - const indexAxis = meta.indexAxis; - const iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid); - const vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid); - meta.xScale = me.getScaleForId(xid); - meta.yScale = me.getScaleForId(yid); - meta.rScale = me.getScaleForId(rid); - meta.iScale = me.getScaleForId(iid); - meta.vScale = me.getScaleForId(vid); - } - getDataset() { - return this.chart.data.datasets[this.index]; - } - getMeta() { - return this.chart.getDatasetMeta(this.index); - } - getScaleForId(scaleID) { - return this.chart.scales[scaleID]; - } - _getOtherScale(scale) { - const meta = this._cachedMeta; - return scale === meta.iScale - ? meta.vScale - : meta.iScale; - } - reset() { - this._update('reset'); - } - _destroy() { - const meta = this._cachedMeta; - if (this._data) { - unlistenArrayEvents(this._data, this); - } - if (meta._stacked) { - clearStacks(meta); - } - } - _dataCheck() { - const me = this; - const dataset = me.getDataset(); - const data = dataset.data || (dataset.data = []); - const _data = me._data; - if (isObject(data)) { - me._data = convertObjectDataToArray(data); - } else if (_data !== data) { - if (_data) { - unlistenArrayEvents(_data, me); - const meta = me._cachedMeta; - clearStacks(meta); - meta._parsed = []; - } - if (data && Object.isExtensible(data)) { - listenArrayEvents(data, me); - } - me._syncList = []; - me._data = data; - } - } - addElements() { - const me = this; - const meta = me._cachedMeta; - me._dataCheck(); - if (me.datasetElementType) { - meta.dataset = new me.datasetElementType(); - } - } - buildOrUpdateElements(resetNewElements) { - const me = this; - const meta = me._cachedMeta; - const dataset = me.getDataset(); - let stackChanged = false; - me._dataCheck(); - const oldStacked = meta._stacked; - meta._stacked = isStacked(meta.vScale, meta); - if (meta.stack !== dataset.stack) { - stackChanged = true; - clearStacks(meta); - meta.stack = dataset.stack; - } - me._resyncElements(resetNewElements); - if (stackChanged || oldStacked !== meta._stacked) { - updateStacks(me, meta._parsed); - } - } - configure() { - const me = this; - const config = me.chart.config; - const scopeKeys = config.datasetScopeKeys(me._type); - const scopes = config.getOptionScopes(me.getDataset(), scopeKeys, true); - me.options = config.createResolver(scopes, me.getContext()); - me._parsing = me.options.parsing; - } - parse(start, count) { - const me = this; - const {_cachedMeta: meta, _data: data} = me; - const {iScale, _stacked} = meta; - const iAxis = iScale.axis; - let sorted = start === 0 && count === data.length ? true : meta._sorted; - let prev = start > 0 && meta._parsed[start - 1]; - let i, cur, parsed; - if (me._parsing === false) { - meta._parsed = data; - meta._sorted = true; - parsed = data; - } else { - if (isArray(data[start])) { - parsed = me.parseArrayData(meta, data, start, count); - } else if (isObject(data[start])) { - parsed = me.parseObjectData(meta, data, start, count); - } else { - parsed = me.parsePrimitiveData(meta, data, start, count); - } - const isNotInOrderComparedToPrev = () => cur[iAxis] === null || (prev && cur[iAxis] < prev[iAxis]); - for (i = 0; i < count; ++i) { - meta._parsed[i + start] = cur = parsed[i]; - if (sorted) { - if (isNotInOrderComparedToPrev()) { - sorted = false; - } - prev = cur; - } - } - meta._sorted = sorted; - } - if (_stacked) { - updateStacks(me, parsed); - } - } - parsePrimitiveData(meta, data, start, count) { - const {iScale, vScale} = meta; - const iAxis = iScale.axis; - const vAxis = vScale.axis; - const labels = iScale.getLabels(); - const singleScale = iScale === vScale; - const parsed = new Array(count); - let i, ilen, index; - for (i = 0, ilen = count; i < ilen; ++i) { - index = i + start; - parsed[i] = { - [iAxis]: singleScale || iScale.parse(labels[index], index), - [vAxis]: vScale.parse(data[index], index) - }; - } - return parsed; - } - parseArrayData(meta, data, start, count) { - const {xScale, yScale} = meta; - const parsed = new Array(count); - let i, ilen, index, item; - for (i = 0, ilen = count; i < ilen; ++i) { - index = i + start; - item = data[index]; - parsed[i] = { - x: xScale.parse(item[0], index), - y: yScale.parse(item[1], index) - }; - } - return parsed; - } - parseObjectData(meta, data, start, count) { - const {xScale, yScale} = meta; - const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing; - const parsed = new Array(count); - let i, ilen, index, item; - for (i = 0, ilen = count; i < ilen; ++i) { - index = i + start; - item = data[index]; - parsed[i] = { - x: xScale.parse(resolveObjectKey(item, xAxisKey), index), - y: yScale.parse(resolveObjectKey(item, yAxisKey), index) - }; - } - return parsed; - } - getParsed(index) { - return this._cachedMeta._parsed[index]; - } - getDataElement(index) { - return this._cachedMeta.data[index]; - } - applyStack(scale, parsed, mode) { - const chart = this.chart; - const meta = this._cachedMeta; - const value = parsed[scale.axis]; - const stack = { - keys: getSortedDatasetIndices(chart, true), - values: parsed._stacks[scale.axis] - }; - return applyStack(stack, value, meta.index, {mode}); - } - updateRangeFromParsed(range, scale, parsed, stack) { - const parsedValue = parsed[scale.axis]; - let value = parsedValue === null ? NaN : parsedValue; - const values = stack && parsed._stacks[scale.axis]; - if (stack && values) { - stack.values = values; - range.min = Math.min(range.min, value); - range.max = Math.max(range.max, value); - value = applyStack(stack, parsedValue, this._cachedMeta.index, {all: true}); - } - range.min = Math.min(range.min, value); - range.max = Math.max(range.max, value); - } - getMinMax(scale, canStack) { - const me = this; - const meta = me._cachedMeta; - const _parsed = meta._parsed; - const sorted = meta._sorted && scale === meta.iScale; - const ilen = _parsed.length; - const otherScale = me._getOtherScale(scale); - const stack = canStack && meta._stacked && {keys: getSortedDatasetIndices(me.chart, true), values: null}; - const range = {min: Number.POSITIVE_INFINITY, max: Number.NEGATIVE_INFINITY}; - const {min: otherMin, max: otherMax} = getUserBounds(otherScale); - let i, value, parsed, otherValue; - function _skip() { - parsed = _parsed[i]; - value = parsed[scale.axis]; - otherValue = parsed[otherScale.axis]; - return !isNumberFinite(value) || otherMin > otherValue || otherMax < otherValue; - } - for (i = 0; i < ilen; ++i) { - if (_skip()) { - continue; - } - me.updateRangeFromParsed(range, scale, parsed, stack); - if (sorted) { - break; - } - } - if (sorted) { - for (i = ilen - 1; i >= 0; --i) { - if (_skip()) { - continue; - } - me.updateRangeFromParsed(range, scale, parsed, stack); - break; - } - } - return range; - } - getAllParsedValues(scale) { - const parsed = this._cachedMeta._parsed; - const values = []; - let i, ilen, value; - for (i = 0, ilen = parsed.length; i < ilen; ++i) { - value = parsed[i][scale.axis]; - if (isNumberFinite(value)) { - values.push(value); - } - } - return values; - } - getMaxOverflow() { - return false; - } - getLabelAndValue(index) { - const me = this; - const meta = me._cachedMeta; - const iScale = meta.iScale; - const vScale = meta.vScale; - const parsed = me.getParsed(index); - return { - label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '', - value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : '' - }; - } - _update(mode) { - const me = this; - const meta = me._cachedMeta; - me.configure(); - me._cachedDataOpts = {}; - me.update(mode || 'default'); - meta._clip = toClip(valueOrDefault(me.options.clip, defaultClip(meta.xScale, meta.yScale, me.getMaxOverflow()))); - } - update(mode) {} - draw() { - const me = this; - const ctx = me._ctx; - const chart = me.chart; - const meta = me._cachedMeta; - const elements = meta.data || []; - const area = chart.chartArea; - const active = []; - const start = me._drawStart || 0; - const count = me._drawCount || (elements.length - start); - let i; - if (meta.dataset) { - meta.dataset.draw(ctx, area, start, count); - } - for (i = start; i < start + count; ++i) { - const element = elements[i]; - if (element.hidden) { - continue; - } - if (element.active) { - active.push(element); - } else { - element.draw(ctx, area); - } - } - for (i = 0; i < active.length; ++i) { - active[i].draw(ctx, area); - } - } - getStyle(index, active) { - const mode = active ? 'active' : 'default'; - return index === undefined && this._cachedMeta.dataset - ? this.resolveDatasetElementOptions(mode) - : this.resolveDataElementOptions(index || 0, mode); - } - getContext(index, active, mode) { - const me = this; - const dataset = me.getDataset(); - let context; - if (index >= 0 && index < me._cachedMeta.data.length) { - const element = me._cachedMeta.data[index]; - context = element.$context || - (element.$context = createDataContext(me.getContext(), index, element)); - context.parsed = me.getParsed(index); - context.raw = dataset.data[index]; - context.index = context.dataIndex = index; - } else { - context = me.$context || - (me.$context = createDatasetContext(me.chart.getContext(), me.index)); - context.dataset = dataset; - context.index = context.datasetIndex = me.index; - } - context.active = !!active; - context.mode = mode; - return context; - } - resolveDatasetElementOptions(mode) { - return this._resolveElementOptions(this.datasetElementType.id, mode); - } - resolveDataElementOptions(index, mode) { - return this._resolveElementOptions(this.dataElementType.id, mode, index); - } - _resolveElementOptions(elementType, mode = 'default', index) { - const me = this; - const active = mode === 'active'; - const cache = me._cachedDataOpts; - const cacheKey = elementType + '-' + mode; - const cached = cache[cacheKey]; - const sharing = me.enableOptionSharing && defined(index); - if (cached) { - return cloneIfNotShared(cached, sharing); - } - const config = me.chart.config; - const scopeKeys = config.datasetElementScopeKeys(me._type, elementType); - const prefixes = active ? [`${elementType}Hover`, 'hover', elementType, ''] : [elementType, '']; - const scopes = config.getOptionScopes(me.getDataset(), scopeKeys); - const names = Object.keys(defaults.elements[elementType]); - const context = () => me.getContext(index, active); - const values = config.resolveNamedOptions(scopes, names, context, prefixes); - if (values.$shared) { - values.$shared = sharing; - cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing)); - } - return values; - } - _resolveAnimations(index, transition, active) { - const me = this; - const chart = me.chart; - const cache = me._cachedDataOpts; - const cacheKey = `animation-${transition}`; - const cached = cache[cacheKey]; - if (cached) { - return cached; - } - let options; - if (chart.options.animation !== false) { - const config = me.chart.config; - const scopeKeys = config.datasetAnimationScopeKeys(me._type, transition); - const scopes = config.getOptionScopes(me.getDataset(), scopeKeys); - options = config.createResolver(scopes, me.getContext(index, active, transition)); - } - const animations = new Animations(chart, options && options.animations); - if (options && options._cacheable) { - cache[cacheKey] = Object.freeze(animations); - } - return animations; - } - getSharedOptions(options) { - if (!options.$shared) { - return; - } - return this._sharedOptions || (this._sharedOptions = Object.assign({}, options)); - } - includeOptions(mode, sharedOptions) { - return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled; - } - updateElement(element, index, properties, mode) { - if (isDirectUpdateMode(mode)) { - Object.assign(element, properties); - } else { - this._resolveAnimations(index, mode).update(element, properties); - } - } - updateSharedOptions(sharedOptions, mode, newOptions) { - if (sharedOptions && !isDirectUpdateMode(mode)) { - this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions); - } - } - _setStyle(element, index, mode, active) { - element.active = active; - const options = this.getStyle(index, active); - this._resolveAnimations(index, mode, active).update(element, { - options: (!active && this.getSharedOptions(options)) || options - }); - } - removeHoverStyle(element, datasetIndex, index) { - this._setStyle(element, index, 'active', false); - } - setHoverStyle(element, datasetIndex, index) { - this._setStyle(element, index, 'active', true); - } - _removeDatasetHoverStyle() { - const element = this._cachedMeta.dataset; - if (element) { - this._setStyle(element, undefined, 'active', false); - } - } - _setDatasetHoverStyle() { - const element = this._cachedMeta.dataset; - if (element) { - this._setStyle(element, undefined, 'active', true); - } - } - _resyncElements(resetNewElements) { - const me = this; - const data = me._data; - const elements = me._cachedMeta.data; - for (const [method, arg1, arg2] of me._syncList) { - me[method](arg1, arg2); - } - me._syncList = []; - const numMeta = elements.length; - const numData = data.length; - const count = Math.min(numData, numMeta); - if (count) { - me.parse(0, count); - } - if (numData > numMeta) { - me._insertElements(numMeta, numData - numMeta, resetNewElements); - } else if (numData < numMeta) { - me._removeElements(numData, numMeta - numData); - } - } - _insertElements(start, count, resetNewElements = true) { - const me = this; - const meta = me._cachedMeta; - const data = meta.data; - const end = start + count; - let i; - const move = (arr) => { - arr.length += count; - for (i = arr.length - 1; i >= end; i--) { - arr[i] = arr[i - count]; - } - }; - move(data); - for (i = start; i < end; ++i) { - data[i] = new me.dataElementType(); - } - if (me._parsing) { - move(meta._parsed); - } - me.parse(start, count); - if (resetNewElements) { - me.updateElements(data, start, count, 'reset'); - } - } - updateElements(element, start, count, mode) {} - _removeElements(start, count) { - const me = this; - const meta = me._cachedMeta; - if (me._parsing) { - const removed = meta._parsed.splice(start, count); - if (meta._stacked) { - clearStacks(meta, removed); - } - } - meta.data.splice(start, count); - } - _sync(args) { - if (this._parsing) { - this._syncList.push(args); - } else { - const [method, arg1, arg2] = args; - this[method](arg1, arg2); - } - } - _onDataPush() { - const count = arguments.length; - this._sync(['_insertElements', this.getDataset().data.length - count, count]); - } - _onDataPop() { - this._sync(['_removeElements', this._cachedMeta.data.length - 1, 1]); - } - _onDataShift() { - this._sync(['_removeElements', 0, 1]); - } - _onDataSplice(start, count) { - this._sync(['_removeElements', start, count]); - this._sync(['_insertElements', start, arguments.length - 2]); - } - _onDataUnshift() { - this._sync(['_insertElements', 0, arguments.length]); - } -} -DatasetController.defaults = {}; -DatasetController.prototype.datasetElementType = null; -DatasetController.prototype.dataElementType = null; - -class Element { - constructor() { - this.x = undefined; - this.y = undefined; - this.active = false; - this.options = undefined; - this.$animations = undefined; - } - tooltipPosition(useFinalPosition) { - const {x, y} = this.getProps(['x', 'y'], useFinalPosition); - return {x, y}; - } - hasValue() { - return isNumber(this.x) && isNumber(this.y); - } - getProps(props, final) { - const me = this; - const anims = this.$animations; - if (!final || !anims) { - return me; - } - const ret = {}; - props.forEach(prop => { - ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : me[prop]; - }); - return ret; - } -} -Element.defaults = {}; -Element.defaultRoutes = undefined; - -const formatters = { - values(value) { - return isArray(value) ? value : '' + value; - }, - numeric(tickValue, index, ticks) { - if (tickValue === 0) { - return '0'; - } - const locale = this.chart.options.locale; - let notation; - let delta = tickValue; - if (ticks.length > 1) { - const maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value)); - if (maxTick < 1e-4 || maxTick > 1e+15) { - notation = 'scientific'; - } - delta = calculateDelta(tickValue, ticks); - } - const logDelta = log10(Math.abs(delta)); - const numDecimal = Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0); - const options = {notation, minimumFractionDigits: numDecimal, maximumFractionDigits: numDecimal}; - Object.assign(options, this.options.ticks.format); - return formatNumber(tickValue, locale, options); - }, - logarithmic(tickValue, index, ticks) { - if (tickValue === 0) { - return '0'; - } - const remain = tickValue / (Math.pow(10, Math.floor(log10(tickValue)))); - if (remain === 1 || remain === 2 || remain === 5) { - return formatters.numeric.call(this, tickValue, index, ticks); - } - return ''; - } -}; -function calculateDelta(tickValue, ticks) { - let delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value; - if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) { - delta = tickValue - Math.floor(tickValue); - } - return delta; -} -var Ticks = {formatters}; - -defaults.set('scale', { - display: true, - offset: false, - reverse: false, - beginAtZero: false, - bounds: 'ticks', - grace: 0, - grid: { - display: true, - lineWidth: 1, - drawBorder: true, - drawOnChartArea: true, - drawTicks: true, - tickLength: 8, - tickWidth: (_ctx, options) => options.lineWidth, - tickColor: (_ctx, options) => options.color, - offset: false, - borderDash: [], - borderDashOffset: 0.0, - borderWidth: 1 - }, - title: { - display: false, - text: '', - padding: { - top: 4, - bottom: 4 - } - }, - ticks: { - minRotation: 0, - maxRotation: 50, - mirror: false, - textStrokeWidth: 0, - textStrokeColor: '', - padding: 3, - display: true, - autoSkip: true, - autoSkipPadding: 3, - labelOffset: 0, - callback: Ticks.formatters.values, - minor: {}, - major: {}, - align: 'center', - crossAlign: 'near', - showLabelBackdrop: false, - backdropColor: 'rgba(255, 255, 255, 0.75)', - backdropPadding: 2, - } -}); -defaults.route('scale.ticks', 'color', '', 'color'); -defaults.route('scale.grid', 'color', '', 'borderColor'); -defaults.route('scale.grid', 'borderColor', '', 'borderColor'); -defaults.route('scale.title', 'color', '', 'color'); -defaults.describe('scale', { - _fallback: false, - _scriptable: (name) => !name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser', - _indexable: (name) => name !== 'borderDash' && name !== 'tickBorderDash', -}); -defaults.describe('scales', { - _fallback: 'scale', -}); -defaults.describe('scale.ticks', { - _scriptable: (name) => name !== 'backdropPadding' && name !== 'callback', - _indexable: (name) => name !== 'backdropPadding', -}); - -function autoSkip(scale, ticks) { - const tickOpts = scale.options.ticks; - const ticksLimit = tickOpts.maxTicksLimit || determineMaxTicks(scale); - const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : []; - const numMajorIndices = majorIndices.length; - const first = majorIndices[0]; - const last = majorIndices[numMajorIndices - 1]; - const newTicks = []; - if (numMajorIndices > ticksLimit) { - skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit); - return newTicks; - } - const spacing = calculateSpacing(majorIndices, ticks, ticksLimit); - if (numMajorIndices > 0) { - let i, ilen; - const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null; - skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first); - for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) { - skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]); - } - skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing); - return newTicks; - } - skip(ticks, newTicks, spacing); - return newTicks; -} -function determineMaxTicks(scale) { - const offset = scale.options.offset; - const tickLength = scale._tickSize(); - const maxScale = scale._length / tickLength + (offset ? 0 : 1); - const maxChart = scale._maxLength / tickLength; - return Math.floor(Math.min(maxScale, maxChart)); -} -function calculateSpacing(majorIndices, ticks, ticksLimit) { - const evenMajorSpacing = getEvenSpacing(majorIndices); - const spacing = ticks.length / ticksLimit; - if (!evenMajorSpacing) { - return Math.max(spacing, 1); - } - const factors = _factorize(evenMajorSpacing); - for (let i = 0, ilen = factors.length - 1; i < ilen; i++) { - const factor = factors[i]; - if (factor > spacing) { - return factor; - } - } - return Math.max(spacing, 1); -} -function getMajorIndices(ticks) { - const result = []; - let i, ilen; - for (i = 0, ilen = ticks.length; i < ilen; i++) { - if (ticks[i].major) { - result.push(i); - } - } - return result; -} -function skipMajors(ticks, newTicks, majorIndices, spacing) { - let count = 0; - let next = majorIndices[0]; - let i; - spacing = Math.ceil(spacing); - for (i = 0; i < ticks.length; i++) { - if (i === next) { - newTicks.push(ticks[i]); - count++; - next = majorIndices[count * spacing]; - } - } -} -function skip(ticks, newTicks, spacing, majorStart, majorEnd) { - const start = valueOrDefault(majorStart, 0); - const end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length); - let count = 0; - let length, i, next; - spacing = Math.ceil(spacing); - if (majorEnd) { - length = majorEnd - majorStart; - spacing = length / Math.floor(length / spacing); - } - next = start; - while (next < 0) { - count++; - next = Math.round(start + count * spacing); - } - for (i = Math.max(start, 0); i < end; i++) { - if (i === next) { - newTicks.push(ticks[i]); - count++; - next = Math.round(start + count * spacing); - } - } -} -function getEvenSpacing(arr) { - const len = arr.length; - let i, diff; - if (len < 2) { - return false; - } - for (diff = arr[0], i = 1; i < len; ++i) { - if (arr[i] - arr[i - 1] !== diff) { - return false; - } - } - return diff; -} - -const reverseAlign = (align) => align === 'left' ? 'right' : align === 'right' ? 'left' : align; -const offsetFromEdge = (scale, edge, offset) => edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset; -function sample(arr, numItems) { - const result = []; - const increment = arr.length / numItems; - const len = arr.length; - let i = 0; - for (; i < len; i += increment) { - result.push(arr[Math.floor(i)]); - } - return result; -} -function getPixelForGridLine(scale, index, offsetGridLines) { - const length = scale.ticks.length; - const validIndex = Math.min(index, length - 1); - const start = scale._startPixel; - const end = scale._endPixel; - const epsilon = 1e-6; - let lineValue = scale.getPixelForTick(validIndex); - let offset; - if (offsetGridLines) { - if (length === 1) { - offset = Math.max(lineValue - start, end - lineValue); - } else if (index === 0) { - offset = (scale.getPixelForTick(1) - lineValue) / 2; - } else { - offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2; - } - lineValue += validIndex < index ? offset : -offset; - if (lineValue < start - epsilon || lineValue > end + epsilon) { - return; - } - } - return lineValue; -} -function garbageCollect(caches, length) { - each(caches, (cache) => { - const gc = cache.gc; - const gcLen = gc.length / 2; - let i; - if (gcLen > length) { - for (i = 0; i < gcLen; ++i) { - delete cache.data[gc[i]]; - } - gc.splice(0, gcLen); - } - }); -} -function getTickMarkLength(options) { - return options.drawTicks ? options.tickLength : 0; -} -function getTitleHeight(options, fallback) { - if (!options.display) { - return 0; - } - const font = toFont(options.font, fallback); - const padding = toPadding(options.padding); - const lines = isArray(options.text) ? options.text.length : 1; - return (lines * font.lineHeight) + padding.height; -} -function createScaleContext(parent, scale) { - return Object.assign(Object.create(parent), { - scale, - type: 'scale' - }); -} -function createTickContext(parent, index, tick) { - return Object.assign(Object.create(parent), { - tick, - index, - type: 'tick' - }); -} -function titleAlign(align, position, reverse) { - let ret = _toLeftRightCenter(align); - if ((reverse && position !== 'right') || (!reverse && position === 'right')) { - ret = reverseAlign(ret); - } - return ret; -} -function titleArgs(scale, offset, position, align) { - const {top, left, bottom, right, chart} = scale; - const {chartArea, scales} = chart; - let rotation = 0; - let maxWidth, titleX, titleY; - const height = bottom - top; - const width = right - left; - if (scale.isHorizontal()) { - titleX = _alignStartEnd(align, left, right); - if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - titleY = scales[positionAxisID].getPixelForValue(value) + height - offset; - } else if (position === 'center') { - titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset; - } else { - titleY = offsetFromEdge(scale, position, offset); - } - maxWidth = right - left; - } else { - if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - titleX = scales[positionAxisID].getPixelForValue(value) - width + offset; - } else if (position === 'center') { - titleX = (chartArea.left + chartArea.right) / 2 - width + offset; - } else { - titleX = offsetFromEdge(scale, position, offset); - } - titleY = _alignStartEnd(align, bottom, top); - rotation = position === 'left' ? -HALF_PI : HALF_PI; - } - return {titleX, titleY, maxWidth, rotation}; -} -class Scale extends Element { - constructor(cfg) { - super(); - this.id = cfg.id; - this.type = cfg.type; - this.options = undefined; - this.ctx = cfg.ctx; - this.chart = cfg.chart; - this.top = undefined; - this.bottom = undefined; - this.left = undefined; - this.right = undefined; - this.width = undefined; - this.height = undefined; - this._margins = { - left: 0, - right: 0, - top: 0, - bottom: 0 - }; - this.maxWidth = undefined; - this.maxHeight = undefined; - this.paddingTop = undefined; - this.paddingBottom = undefined; - this.paddingLeft = undefined; - this.paddingRight = undefined; - this.axis = undefined; - this.labelRotation = undefined; - this.min = undefined; - this.max = undefined; - this._range = undefined; - this.ticks = []; - this._gridLineItems = null; - this._labelItems = null; - this._labelSizes = null; - this._length = 0; - this._maxLength = 0; - this._longestTextCache = {}; - this._startPixel = undefined; - this._endPixel = undefined; - this._reversePixels = false; - this._userMax = undefined; - this._userMin = undefined; - this._suggestedMax = undefined; - this._suggestedMin = undefined; - this._ticksLength = 0; - this._borderValue = 0; - this._cache = {}; - this._dataLimitsCached = false; - this.$context = undefined; - } - init(options) { - const me = this; - me.options = options.setContext(me.getContext()); - me.axis = options.axis; - me._userMin = me.parse(options.min); - me._userMax = me.parse(options.max); - me._suggestedMin = me.parse(options.suggestedMin); - me._suggestedMax = me.parse(options.suggestedMax); - } - parse(raw, index) { - return raw; - } - getUserBounds() { - let {_userMin, _userMax, _suggestedMin, _suggestedMax} = this; - _userMin = finiteOrDefault(_userMin, Number.POSITIVE_INFINITY); - _userMax = finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY); - _suggestedMin = finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY); - _suggestedMax = finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY); - return { - min: finiteOrDefault(_userMin, _suggestedMin), - max: finiteOrDefault(_userMax, _suggestedMax), - minDefined: isNumberFinite(_userMin), - maxDefined: isNumberFinite(_userMax) - }; - } - getMinMax(canStack) { - const me = this; - let {min, max, minDefined, maxDefined} = me.getUserBounds(); - let range; - if (minDefined && maxDefined) { - return {min, max}; - } - const metas = me.getMatchingVisibleMetas(); - for (let i = 0, ilen = metas.length; i < ilen; ++i) { - range = metas[i].controller.getMinMax(me, canStack); - if (!minDefined) { - min = Math.min(min, range.min); - } - if (!maxDefined) { - max = Math.max(max, range.max); - } - } - return { - min: finiteOrDefault(min, finiteOrDefault(max, min)), - max: finiteOrDefault(max, finiteOrDefault(min, max)) - }; - } - getPadding() { - const me = this; - return { - left: me.paddingLeft || 0, - top: me.paddingTop || 0, - right: me.paddingRight || 0, - bottom: me.paddingBottom || 0 - }; - } - getTicks() { - return this.ticks; - } - getLabels() { - const data = this.chart.data; - return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || []; - } - beforeLayout() { - this._cache = {}; - this._dataLimitsCached = false; - } - beforeUpdate() { - callback(this.options.beforeUpdate, [this]); - } - update(maxWidth, maxHeight, margins) { - const me = this; - const tickOpts = me.options.ticks; - const sampleSize = tickOpts.sampleSize; - me.beforeUpdate(); - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me._margins = margins = Object.assign({ - left: 0, - right: 0, - top: 0, - bottom: 0 - }, margins); - me.ticks = null; - me._labelSizes = null; - me._gridLineItems = null; - me._labelItems = null; - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - me._maxLength = me.isHorizontal() - ? me.width + margins.left + margins.right - : me.height + margins.top + margins.bottom; - if (!me._dataLimitsCached) { - me.beforeDataLimits(); - me.determineDataLimits(); - me.afterDataLimits(); - me._range = _addGrace(me, me.options.grace); - me._dataLimitsCached = true; - } - me.beforeBuildTicks(); - me.ticks = me.buildTicks() || []; - me.afterBuildTicks(); - const samplingEnabled = sampleSize < me.ticks.length; - me._convertTicksToLabels(samplingEnabled ? sample(me.ticks, sampleSize) : me.ticks); - me.configure(); - me.beforeCalculateLabelRotation(); - me.calculateLabelRotation(); - me.afterCalculateLabelRotation(); - if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) { - me.ticks = autoSkip(me, me.ticks); - me._labelSizes = null; - } - if (samplingEnabled) { - me._convertTicksToLabels(me.ticks); - } - me.beforeFit(); - me.fit(); - me.afterFit(); - me.afterUpdate(); - } - configure() { - const me = this; - let reversePixels = me.options.reverse; - let startPixel, endPixel; - if (me.isHorizontal()) { - startPixel = me.left; - endPixel = me.right; - } else { - startPixel = me.top; - endPixel = me.bottom; - reversePixels = !reversePixels; - } - me._startPixel = startPixel; - me._endPixel = endPixel; - me._reversePixels = reversePixels; - me._length = endPixel - startPixel; - me._alignToPixels = me.options.alignToPixels; - } - afterUpdate() { - callback(this.options.afterUpdate, [this]); - } - beforeSetDimensions() { - callback(this.options.beforeSetDimensions, [this]); - } - setDimensions() { - const me = this; - if (me.isHorizontal()) { - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - me.top = 0; - me.bottom = me.height; - } - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - } - afterSetDimensions() { - callback(this.options.afterSetDimensions, [this]); - } - _callHooks(name) { - const me = this; - me.chart.notifyPlugins(name, me.getContext()); - callback(me.options[name], [me]); - } - beforeDataLimits() { - this._callHooks('beforeDataLimits'); - } - determineDataLimits() {} - afterDataLimits() { - this._callHooks('afterDataLimits'); - } - beforeBuildTicks() { - this._callHooks('beforeBuildTicks'); - } - buildTicks() { - return []; - } - afterBuildTicks() { - this._callHooks('afterBuildTicks'); - } - beforeTickToLabelConversion() { - callback(this.options.beforeTickToLabelConversion, [this]); - } - generateTickLabels(ticks) { - const me = this; - const tickOpts = me.options.ticks; - let i, ilen, tick; - for (i = 0, ilen = ticks.length; i < ilen; i++) { - tick = ticks[i]; - tick.label = callback(tickOpts.callback, [tick.value, i, ticks], me); - } - } - afterTickToLabelConversion() { - callback(this.options.afterTickToLabelConversion, [this]); - } - beforeCalculateLabelRotation() { - callback(this.options.beforeCalculateLabelRotation, [this]); - } - calculateLabelRotation() { - const me = this; - const options = me.options; - const tickOpts = options.ticks; - const numTicks = me.ticks.length; - const minRotation = tickOpts.minRotation || 0; - const maxRotation = tickOpts.maxRotation; - let labelRotation = minRotation; - let tickWidth, maxHeight, maxLabelDiagonal; - if (!me._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !me.isHorizontal()) { - me.labelRotation = minRotation; - return; - } - const labelSizes = me._getLabelSizes(); - const maxLabelWidth = labelSizes.widest.width; - const maxLabelHeight = labelSizes.highest.height; - const maxWidth = _limitValue(me.chart.width - maxLabelWidth, 0, me.maxWidth); - tickWidth = options.offset ? me.maxWidth / numTicks : maxWidth / (numTicks - 1); - if (maxLabelWidth + 6 > tickWidth) { - tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1)); - maxHeight = me.maxHeight - getTickMarkLength(options.grid) - - tickOpts.padding - getTitleHeight(options.title, me.chart.options.font); - maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight); - labelRotation = toDegrees(Math.min( - Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)), - Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1)) - )); - labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation)); - } - me.labelRotation = labelRotation; - } - afterCalculateLabelRotation() { - callback(this.options.afterCalculateLabelRotation, [this]); - } - beforeFit() { - callback(this.options.beforeFit, [this]); - } - fit() { - const me = this; - const minSize = { - width: 0, - height: 0 - }; - const {chart, options: {ticks: tickOpts, title: titleOpts, grid: gridOpts}} = me; - const display = me._isVisible(); - const isHorizontal = me.isHorizontal(); - if (display) { - const titleHeight = getTitleHeight(titleOpts, chart.options.font); - if (isHorizontal) { - minSize.width = me.maxWidth; - minSize.height = getTickMarkLength(gridOpts) + titleHeight; - } else { - minSize.height = me.maxHeight; - minSize.width = getTickMarkLength(gridOpts) + titleHeight; - } - if (tickOpts.display && me.ticks.length) { - const {first, last, widest, highest} = me._getLabelSizes(); - const tickPadding = tickOpts.padding * 2; - const angleRadians = toRadians(me.labelRotation); - const cos = Math.cos(angleRadians); - const sin = Math.sin(angleRadians); - if (isHorizontal) { - const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height; - minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding); - } else { - const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height; - minSize.width = Math.min(me.maxWidth, minSize.width + labelWidth + tickPadding); - } - me._calculatePadding(first, last, sin, cos); - } - } - me._handleMargins(); - if (isHorizontal) { - me.width = me._length = chart.width - me._margins.left - me._margins.right; - me.height = minSize.height; - } else { - me.width = minSize.width; - me.height = me._length = chart.height - me._margins.top - me._margins.bottom; - } - } - _calculatePadding(first, last, sin, cos) { - const me = this; - const {ticks: {align, padding}, position} = me.options; - const isRotated = me.labelRotation !== 0; - const labelsBelowTicks = position !== 'top' && me.axis === 'x'; - if (me.isHorizontal()) { - const offsetLeft = me.getPixelForTick(0) - me.left; - const offsetRight = me.right - me.getPixelForTick(me.ticks.length - 1); - let paddingLeft = 0; - let paddingRight = 0; - if (isRotated) { - if (labelsBelowTicks) { - paddingLeft = cos * first.width; - paddingRight = sin * last.height; - } else { - paddingLeft = sin * first.height; - paddingRight = cos * last.width; - } - } else if (align === 'start') { - paddingRight = last.width; - } else if (align === 'end') { - paddingLeft = first.width; - } else { - paddingLeft = first.width / 2; - paddingRight = last.width / 2; - } - me.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * me.width / (me.width - offsetLeft), 0); - me.paddingRight = Math.max((paddingRight - offsetRight + padding) * me.width / (me.width - offsetRight), 0); - } else { - let paddingTop = last.height / 2; - let paddingBottom = first.height / 2; - if (align === 'start') { - paddingTop = 0; - paddingBottom = first.height; - } else if (align === 'end') { - paddingTop = last.height; - paddingBottom = 0; - } - me.paddingTop = paddingTop + padding; - me.paddingBottom = paddingBottom + padding; - } - } - _handleMargins() { - const me = this; - if (me._margins) { - me._margins.left = Math.max(me.paddingLeft, me._margins.left); - me._margins.top = Math.max(me.paddingTop, me._margins.top); - me._margins.right = Math.max(me.paddingRight, me._margins.right); - me._margins.bottom = Math.max(me.paddingBottom, me._margins.bottom); - } - } - afterFit() { - callback(this.options.afterFit, [this]); - } - isHorizontal() { - const {axis, position} = this.options; - return position === 'top' || position === 'bottom' || axis === 'x'; - } - isFullSize() { - return this.options.fullSize; - } - _convertTicksToLabels(ticks) { - const me = this; - me.beforeTickToLabelConversion(); - me.generateTickLabels(ticks); - let i, ilen; - for (i = 0, ilen = ticks.length; i < ilen; i++) { - if (isNullOrUndef(ticks[i].label)) { - ticks.splice(i, 1); - ilen--; - i--; - } - } - me.afterTickToLabelConversion(); - } - _getLabelSizes() { - const me = this; - let labelSizes = me._labelSizes; - if (!labelSizes) { - const sampleSize = me.options.ticks.sampleSize; - let ticks = me.ticks; - if (sampleSize < ticks.length) { - ticks = sample(ticks, sampleSize); - } - me._labelSizes = labelSizes = me._computeLabelSizes(ticks, ticks.length); - } - return labelSizes; - } - _computeLabelSizes(ticks, length) { - const {ctx, _longestTextCache: caches} = this; - const widths = []; - const heights = []; - let widestLabelSize = 0; - let highestLabelSize = 0; - let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel; - for (i = 0; i < length; ++i) { - label = ticks[i].label; - tickFont = this._resolveTickFontOptions(i); - ctx.font = fontString = tickFont.string; - cache = caches[fontString] = caches[fontString] || {data: {}, gc: []}; - lineHeight = tickFont.lineHeight; - width = height = 0; - if (!isNullOrUndef(label) && !isArray(label)) { - width = _measureText(ctx, cache.data, cache.gc, width, label); - height = lineHeight; - } else if (isArray(label)) { - for (j = 0, jlen = label.length; j < jlen; ++j) { - nestedLabel = label[j]; - if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) { - width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel); - height += lineHeight; - } - } - } - widths.push(width); - heights.push(height); - widestLabelSize = Math.max(width, widestLabelSize); - highestLabelSize = Math.max(height, highestLabelSize); - } - garbageCollect(caches, length); - const widest = widths.indexOf(widestLabelSize); - const highest = heights.indexOf(highestLabelSize); - const valueAt = (idx) => ({width: widths[idx] || 0, height: heights[idx] || 0}); - return { - first: valueAt(0), - last: valueAt(length - 1), - widest: valueAt(widest), - highest: valueAt(highest), - widths, - heights, - }; - } - getLabelForValue(value) { - return value; - } - getPixelForValue(value, index) { - return NaN; - } - getValueForPixel(pixel) {} - getPixelForTick(index) { - const ticks = this.ticks; - if (index < 0 || index > ticks.length - 1) { - return null; - } - return this.getPixelForValue(ticks[index].value); - } - getPixelForDecimal(decimal) { - const me = this; - if (me._reversePixels) { - decimal = 1 - decimal; - } - const pixel = me._startPixel + decimal * me._length; - return _int16Range(me._alignToPixels ? _alignPixel(me.chart, pixel, 0) : pixel); - } - getDecimalForPixel(pixel) { - const decimal = (pixel - this._startPixel) / this._length; - return this._reversePixels ? 1 - decimal : decimal; - } - getBasePixel() { - return this.getPixelForValue(this.getBaseValue()); - } - getBaseValue() { - const {min, max} = this; - return min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0; - } - getContext(index) { - const me = this; - const ticks = me.ticks || []; - if (index >= 0 && index < ticks.length) { - const tick = ticks[index]; - return tick.$context || - (tick.$context = createTickContext(me.getContext(), index, tick)); - } - return me.$context || - (me.$context = createScaleContext(me.chart.getContext(), me)); - } - _tickSize() { - const me = this; - const optionTicks = me.options.ticks; - const rot = toRadians(me.labelRotation); - const cos = Math.abs(Math.cos(rot)); - const sin = Math.abs(Math.sin(rot)); - const labelSizes = me._getLabelSizes(); - const padding = optionTicks.autoSkipPadding || 0; - const w = labelSizes ? labelSizes.widest.width + padding : 0; - const h = labelSizes ? labelSizes.highest.height + padding : 0; - return me.isHorizontal() - ? h * cos > w * sin ? w / cos : h / sin - : h * sin < w * cos ? h / cos : w / sin; - } - _isVisible() { - const display = this.options.display; - if (display !== 'auto') { - return !!display; - } - return this.getMatchingVisibleMetas().length > 0; - } - _computeGridLineItems(chartArea) { - const me = this; - const axis = me.axis; - const chart = me.chart; - const options = me.options; - const {grid, position} = options; - const offset = grid.offset; - const isHorizontal = me.isHorizontal(); - const ticks = me.ticks; - const ticksLength = ticks.length + (offset ? 1 : 0); - const tl = getTickMarkLength(grid); - const items = []; - const borderOpts = grid.setContext(me.getContext()); - const axisWidth = borderOpts.drawBorder ? borderOpts.borderWidth : 0; - const axisHalfWidth = axisWidth / 2; - const alignBorderValue = function(pixel) { - return _alignPixel(chart, pixel, axisWidth); - }; - let borderValue, i, lineValue, alignedLineValue; - let tx1, ty1, tx2, ty2, x1, y1, x2, y2; - if (position === 'top') { - borderValue = alignBorderValue(me.bottom); - ty1 = me.bottom - tl; - ty2 = borderValue - axisHalfWidth; - y1 = alignBorderValue(chartArea.top) + axisHalfWidth; - y2 = chartArea.bottom; - } else if (position === 'bottom') { - borderValue = alignBorderValue(me.top); - y1 = chartArea.top; - y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth; - ty1 = borderValue + axisHalfWidth; - ty2 = me.top + tl; - } else if (position === 'left') { - borderValue = alignBorderValue(me.right); - tx1 = me.right - tl; - tx2 = borderValue - axisHalfWidth; - x1 = alignBorderValue(chartArea.left) + axisHalfWidth; - x2 = chartArea.right; - } else if (position === 'right') { - borderValue = alignBorderValue(me.left); - x1 = chartArea.left; - x2 = alignBorderValue(chartArea.right) - axisHalfWidth; - tx1 = borderValue + axisHalfWidth; - tx2 = me.left + tl; - } else if (axis === 'x') { - if (position === 'center') { - borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5); - } else if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - borderValue = alignBorderValue(me.chart.scales[positionAxisID].getPixelForValue(value)); - } - y1 = chartArea.top; - y2 = chartArea.bottom; - ty1 = borderValue + axisHalfWidth; - ty2 = ty1 + tl; - } else if (axis === 'y') { - if (position === 'center') { - borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2); - } else if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - borderValue = alignBorderValue(me.chart.scales[positionAxisID].getPixelForValue(value)); - } - tx1 = borderValue - axisHalfWidth; - tx2 = tx1 - tl; - x1 = chartArea.left; - x2 = chartArea.right; - } - const limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength); - const step = Math.max(1, Math.ceil(ticksLength / limit)); - for (i = 0; i < ticksLength; i += step) { - const optsAtIndex = grid.setContext(me.getContext(i)); - const lineWidth = optsAtIndex.lineWidth; - const lineColor = optsAtIndex.color; - const borderDash = grid.borderDash || []; - const borderDashOffset = optsAtIndex.borderDashOffset; - const tickWidth = optsAtIndex.tickWidth; - const tickColor = optsAtIndex.tickColor; - const tickBorderDash = optsAtIndex.tickBorderDash || []; - const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset; - lineValue = getPixelForGridLine(me, i, offset); - if (lineValue === undefined) { - continue; - } - alignedLineValue = _alignPixel(chart, lineValue, lineWidth); - if (isHorizontal) { - tx1 = tx2 = x1 = x2 = alignedLineValue; - } else { - ty1 = ty2 = y1 = y2 = alignedLineValue; - } - items.push({ - tx1, - ty1, - tx2, - ty2, - x1, - y1, - x2, - y2, - width: lineWidth, - color: lineColor, - borderDash, - borderDashOffset, - tickWidth, - tickColor, - tickBorderDash, - tickBorderDashOffset, - }); - } - me._ticksLength = ticksLength; - me._borderValue = borderValue; - return items; - } - _computeLabelItems(chartArea) { - const me = this; - const axis = me.axis; - const options = me.options; - const {position, ticks: optionTicks} = options; - const isHorizontal = me.isHorizontal(); - const ticks = me.ticks; - const {align, crossAlign, padding, mirror} = optionTicks; - const tl = getTickMarkLength(options.grid); - const tickAndPadding = tl + padding; - const hTickAndPadding = mirror ? -padding : tickAndPadding; - const rotation = -toRadians(me.labelRotation); - const items = []; - let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset; - let textBaseline = 'middle'; - if (position === 'top') { - y = me.bottom - hTickAndPadding; - textAlign = me._getXAxisLabelAlignment(); - } else if (position === 'bottom') { - y = me.top + hTickAndPadding; - textAlign = me._getXAxisLabelAlignment(); - } else if (position === 'left') { - const ret = me._getYAxisLabelAlignment(tl); - textAlign = ret.textAlign; - x = ret.x; - } else if (position === 'right') { - const ret = me._getYAxisLabelAlignment(tl); - textAlign = ret.textAlign; - x = ret.x; - } else if (axis === 'x') { - if (position === 'center') { - y = ((chartArea.top + chartArea.bottom) / 2) + tickAndPadding; - } else if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - y = me.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding; - } - textAlign = me._getXAxisLabelAlignment(); - } else if (axis === 'y') { - if (position === 'center') { - x = ((chartArea.left + chartArea.right) / 2) - tickAndPadding; - } else if (isObject(position)) { - const positionAxisID = Object.keys(position)[0]; - const value = position[positionAxisID]; - x = me.chart.scales[positionAxisID].getPixelForValue(value); - } - textAlign = me._getYAxisLabelAlignment(tl).textAlign; - } - if (axis === 'y') { - if (align === 'start') { - textBaseline = 'top'; - } else if (align === 'end') { - textBaseline = 'bottom'; - } - } - const labelSizes = me._getLabelSizes(); - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - tick = ticks[i]; - label = tick.label; - const optsAtIndex = optionTicks.setContext(me.getContext(i)); - pixel = me.getPixelForTick(i) + optionTicks.labelOffset; - font = me._resolveTickFontOptions(i); - lineHeight = font.lineHeight; - lineCount = isArray(label) ? label.length : 1; - const halfCount = lineCount / 2; - const color = optsAtIndex.color; - const strokeColor = optsAtIndex.textStrokeColor; - const strokeWidth = optsAtIndex.textStrokeWidth; - if (isHorizontal) { - x = pixel; - if (position === 'top') { - if (crossAlign === 'near' || rotation !== 0) { - textOffset = -lineCount * lineHeight + lineHeight / 2; - } else if (crossAlign === 'center') { - textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight; - } else { - textOffset = -labelSizes.highest.height + lineHeight / 2; - } - } else { - if (crossAlign === 'near' || rotation !== 0) { - textOffset = lineHeight / 2; - } else if (crossAlign === 'center') { - textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight; - } else { - textOffset = labelSizes.highest.height - lineCount * lineHeight; - } - } - if (mirror) { - textOffset *= -1; - } - } else { - y = pixel; - textOffset = (1 - lineCount) * lineHeight / 2; - } - let backdrop; - if (optsAtIndex.showLabelBackdrop) { - const labelPadding = toPadding(optsAtIndex.backdropPadding); - const height = labelSizes.heights[i]; - const width = labelSizes.widths[i]; - let top = y + textOffset - labelPadding.top; - let left = x - labelPadding.left; - switch (textBaseline) { - case 'middle': - top -= height / 2; - break; - case 'bottom': - top -= height; - break; - } - switch (textAlign) { - case 'center': - left -= width / 2; - break; - case 'right': - left -= width; - break; - } - backdrop = { - left, - top, - width: width + labelPadding.width, - height: height + labelPadding.height, - color: optsAtIndex.backdropColor, - }; - } - items.push({ - rotation, - label, - font, - color, - strokeColor, - strokeWidth, - textOffset, - textAlign, - textBaseline, - translation: [x, y], - backdrop, - }); - } - return items; - } - _getXAxisLabelAlignment() { - const me = this; - const {position, ticks} = me.options; - const rotation = -toRadians(me.labelRotation); - if (rotation) { - return position === 'top' ? 'left' : 'right'; - } - let align = 'center'; - if (ticks.align === 'start') { - align = 'left'; - } else if (ticks.align === 'end') { - align = 'right'; - } - return align; - } - _getYAxisLabelAlignment(tl) { - const me = this; - const {position, ticks: {crossAlign, mirror, padding}} = me.options; - const labelSizes = me._getLabelSizes(); - const tickAndPadding = tl + padding; - const widest = labelSizes.widest.width; - let textAlign; - let x; - if (position === 'left') { - if (mirror) { - x = me.right + padding; - if (crossAlign === 'near') { - textAlign = 'left'; - } else if (crossAlign === 'center') { - textAlign = 'center'; - x += (widest / 2); - } else { - textAlign = 'right'; - x += widest; - } - } else { - x = me.right - tickAndPadding; - if (crossAlign === 'near') { - textAlign = 'right'; - } else if (crossAlign === 'center') { - textAlign = 'center'; - x -= (widest / 2); - } else { - textAlign = 'left'; - x = me.left; - } - } - } else if (position === 'right') { - if (mirror) { - x = me.left + padding; - if (crossAlign === 'near') { - textAlign = 'right'; - } else if (crossAlign === 'center') { - textAlign = 'center'; - x -= (widest / 2); - } else { - textAlign = 'left'; - x -= widest; - } - } else { - x = me.left + tickAndPadding; - if (crossAlign === 'near') { - textAlign = 'left'; - } else if (crossAlign === 'center') { - textAlign = 'center'; - x += widest / 2; - } else { - textAlign = 'right'; - x = me.right; - } - } - } else { - textAlign = 'right'; - } - return {textAlign, x}; - } - _computeLabelArea() { - const me = this; - if (me.options.ticks.mirror) { - return; - } - const chart = me.chart; - const position = me.options.position; - if (position === 'left' || position === 'right') { - return {top: 0, left: me.left, bottom: chart.height, right: me.right}; - } if (position === 'top' || position === 'bottom') { - return {top: me.top, left: 0, bottom: me.bottom, right: chart.width}; - } - } - drawBackground() { - const {ctx, options: {backgroundColor}, left, top, width, height} = this; - if (backgroundColor) { - ctx.save(); - ctx.fillStyle = backgroundColor; - ctx.fillRect(left, top, width, height); - ctx.restore(); - } - } - getLineWidthForValue(value) { - const me = this; - const grid = me.options.grid; - if (!me._isVisible() || !grid.display) { - return 0; - } - const ticks = me.ticks; - const index = ticks.findIndex(t => t.value === value); - if (index >= 0) { - const opts = grid.setContext(me.getContext(index)); - return opts.lineWidth; - } - return 0; - } - drawGrid(chartArea) { - const me = this; - const grid = me.options.grid; - const ctx = me.ctx; - const items = me._gridLineItems || (me._gridLineItems = me._computeGridLineItems(chartArea)); - let i, ilen; - const drawLine = (p1, p2, style) => { - if (!style.width || !style.color) { - return; - } - ctx.save(); - ctx.lineWidth = style.width; - ctx.strokeStyle = style.color; - ctx.setLineDash(style.borderDash || []); - ctx.lineDashOffset = style.borderDashOffset; - ctx.beginPath(); - ctx.moveTo(p1.x, p1.y); - ctx.lineTo(p2.x, p2.y); - ctx.stroke(); - ctx.restore(); - }; - if (grid.display) { - for (i = 0, ilen = items.length; i < ilen; ++i) { - const item = items[i]; - if (grid.drawOnChartArea) { - drawLine( - {x: item.x1, y: item.y1}, - {x: item.x2, y: item.y2}, - item - ); - } - if (grid.drawTicks) { - drawLine( - {x: item.tx1, y: item.ty1}, - {x: item.tx2, y: item.ty2}, - { - color: item.tickColor, - width: item.tickWidth, - borderDash: item.tickBorderDash, - borderDashOffset: item.tickBorderDashOffset - } - ); - } - } - } - } - drawBorder() { - const me = this; - const {chart, ctx, options: {grid}} = me; - const borderOpts = grid.setContext(me.getContext()); - const axisWidth = grid.drawBorder ? borderOpts.borderWidth : 0; - if (!axisWidth) { - return; - } - const lastLineWidth = grid.setContext(me.getContext(0)).lineWidth; - const borderValue = me._borderValue; - let x1, x2, y1, y2; - if (me.isHorizontal()) { - x1 = _alignPixel(chart, me.left, axisWidth) - axisWidth / 2; - x2 = _alignPixel(chart, me.right, lastLineWidth) + lastLineWidth / 2; - y1 = y2 = borderValue; - } else { - y1 = _alignPixel(chart, me.top, axisWidth) - axisWidth / 2; - y2 = _alignPixel(chart, me.bottom, lastLineWidth) + lastLineWidth / 2; - x1 = x2 = borderValue; - } - ctx.save(); - ctx.lineWidth = borderOpts.borderWidth; - ctx.strokeStyle = borderOpts.borderColor; - ctx.beginPath(); - ctx.moveTo(x1, y1); - ctx.lineTo(x2, y2); - ctx.stroke(); - ctx.restore(); - } - drawLabels(chartArea) { - const me = this; - const optionTicks = me.options.ticks; - if (!optionTicks.display) { - return; - } - const ctx = me.ctx; - const area = me._computeLabelArea(); - if (area) { - clipArea(ctx, area); - } - const items = me._labelItems || (me._labelItems = me._computeLabelItems(chartArea)); - let i, ilen; - for (i = 0, ilen = items.length; i < ilen; ++i) { - const item = items[i]; - const tickFont = item.font; - const label = item.label; - if (item.backdrop) { - ctx.fillStyle = item.backdrop.color; - ctx.fillRect(item.backdrop.left, item.backdrop.top, item.backdrop.width, item.backdrop.height); - } - let y = item.textOffset; - renderText(ctx, label, 0, y, tickFont, item); - } - if (area) { - unclipArea(ctx); - } - } - drawTitle() { - const {ctx, options: {position, title, reverse}} = this; - if (!title.display) { - return; - } - const font = toFont(title.font); - const padding = toPadding(title.padding); - const align = title.align; - let offset = font.lineHeight / 2; - if (position === 'bottom' || position === 'center' || isObject(position)) { - offset += padding.bottom; - if (isArray(title.text)) { - offset += font.lineHeight * (title.text.length - 1); - } - } else { - offset += padding.top; - } - const {titleX, titleY, maxWidth, rotation} = titleArgs(this, offset, position, align); - renderText(ctx, title.text, 0, 0, font, { - color: title.color, - maxWidth, - rotation, - textAlign: titleAlign(align, position, reverse), - textBaseline: 'middle', - translation: [titleX, titleY], - }); - } - draw(chartArea) { - const me = this; - if (!me._isVisible()) { - return; - } - me.drawBackground(); - me.drawGrid(chartArea); - me.drawBorder(); - me.drawTitle(); - me.drawLabels(chartArea); - } - _layers() { - const me = this; - const opts = me.options; - const tz = opts.ticks && opts.ticks.z || 0; - const gz = valueOrDefault(opts.grid && opts.grid.z, -1); - if (!me._isVisible() || me.draw !== Scale.prototype.draw) { - return [{ - z: tz, - draw(chartArea) { - me.draw(chartArea); - } - }]; - } - return [{ - z: gz, - draw(chartArea) { - me.drawBackground(); - me.drawGrid(chartArea); - me.drawTitle(); - } - }, { - z: gz + 1, - draw() { - me.drawBorder(); - } - }, { - z: tz, - draw(chartArea) { - me.drawLabels(chartArea); - } - }]; - } - getMatchingVisibleMetas(type) { - const me = this; - const metas = me.chart.getSortedVisibleDatasetMetas(); - const axisID = me.axis + 'AxisID'; - const result = []; - let i, ilen; - for (i = 0, ilen = metas.length; i < ilen; ++i) { - const meta = metas[i]; - if (meta[axisID] === me.id && (!type || meta.type === type)) { - result.push(meta); - } - } - return result; - } - _resolveTickFontOptions(index) { - const opts = this.options.ticks.setContext(this.getContext(index)); - return toFont(opts.font); - } - _maxDigits() { - const me = this; - const fontSize = me._resolveTickFontOptions(0).lineHeight; - return (me.isHorizontal() ? me.width : me.height) / fontSize; - } -} - -class TypedRegistry { - constructor(type, scope, override) { - this.type = type; - this.scope = scope; - this.override = override; - this.items = Object.create(null); - } - isForType(type) { - return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype); - } - register(item) { - const me = this; - const proto = Object.getPrototypeOf(item); - let parentScope; - if (isIChartComponent(proto)) { - parentScope = me.register(proto); - } - const items = me.items; - const id = item.id; - const scope = me.scope + '.' + id; - if (!id) { - throw new Error('class does not have id: ' + item); - } - if (id in items) { - return scope; - } - items[id] = item; - registerDefaults(item, scope, parentScope); - if (me.override) { - defaults.override(item.id, item.overrides); - } - return scope; - } - get(id) { - return this.items[id]; - } - unregister(item) { - const items = this.items; - const id = item.id; - const scope = this.scope; - if (id in items) { - delete items[id]; - } - if (scope && id in defaults[scope]) { - delete defaults[scope][id]; - if (this.override) { - delete overrides[id]; - } - } - } -} -function registerDefaults(item, scope, parentScope) { - const itemDefaults = merge(Object.create(null), [ - parentScope ? defaults.get(parentScope) : {}, - defaults.get(scope), - item.defaults - ]); - defaults.set(scope, itemDefaults); - if (item.defaultRoutes) { - routeDefaults(scope, item.defaultRoutes); - } - if (item.descriptors) { - defaults.describe(scope, item.descriptors); - } -} -function routeDefaults(scope, routes) { - Object.keys(routes).forEach(property => { - const propertyParts = property.split('.'); - const sourceName = propertyParts.pop(); - const sourceScope = [scope].concat(propertyParts).join('.'); - const parts = routes[property].split('.'); - const targetName = parts.pop(); - const targetScope = parts.join('.'); - defaults.route(sourceScope, sourceName, targetScope, targetName); - }); -} -function isIChartComponent(proto) { - return 'id' in proto && 'defaults' in proto; -} - -class Registry { - constructor() { - this.controllers = new TypedRegistry(DatasetController, 'datasets', true); - this.elements = new TypedRegistry(Element, 'elements'); - this.plugins = new TypedRegistry(Object, 'plugins'); - this.scales = new TypedRegistry(Scale, 'scales'); - this._typedRegistries = [this.controllers, this.scales, this.elements]; - } - add(...args) { - this._each('register', args); - } - remove(...args) { - this._each('unregister', args); - } - addControllers(...args) { - this._each('register', args, this.controllers); - } - addElements(...args) { - this._each('register', args, this.elements); - } - addPlugins(...args) { - this._each('register', args, this.plugins); - } - addScales(...args) { - this._each('register', args, this.scales); - } - getController(id) { - return this._get(id, this.controllers, 'controller'); - } - getElement(id) { - return this._get(id, this.elements, 'element'); - } - getPlugin(id) { - return this._get(id, this.plugins, 'plugin'); - } - getScale(id) { - return this._get(id, this.scales, 'scale'); - } - removeControllers(...args) { - this._each('unregister', args, this.controllers); - } - removeElements(...args) { - this._each('unregister', args, this.elements); - } - removePlugins(...args) { - this._each('unregister', args, this.plugins); - } - removeScales(...args) { - this._each('unregister', args, this.scales); - } - _each(method, args, typedRegistry) { - const me = this; - [...args].forEach(arg => { - const reg = typedRegistry || me._getRegistryForType(arg); - if (typedRegistry || reg.isForType(arg) || (reg === me.plugins && arg.id)) { - me._exec(method, reg, arg); - } else { - each(arg, item => { - const itemReg = typedRegistry || me._getRegistryForType(item); - me._exec(method, itemReg, item); - }); - } - }); - } - _exec(method, registry, component) { - const camelMethod = _capitalize(method); - callback(component['before' + camelMethod], [], component); - registry[method](component); - callback(component['after' + camelMethod], [], component); - } - _getRegistryForType(type) { - for (let i = 0; i < this._typedRegistries.length; i++) { - const reg = this._typedRegistries[i]; - if (reg.isForType(type)) { - return reg; - } - } - return this.plugins; - } - _get(id, typedRegistry, type) { - const item = typedRegistry.get(id); - if (item === undefined) { - throw new Error('"' + id + '" is not a registered ' + type + '.'); - } - return item; - } -} -var registry = new Registry(); - -class PluginService { - constructor() { - this._init = []; - } - notify(chart, hook, args, filter) { - const me = this; - if (hook === 'beforeInit') { - me._init = me._createDescriptors(chart, true); - me._notify(me._init, chart, 'install'); - } - const descriptors = filter ? me._descriptors(chart).filter(filter) : me._descriptors(chart); - const result = me._notify(descriptors, chart, hook, args); - if (hook === 'destroy') { - me._notify(descriptors, chart, 'stop'); - me._notify(me._init, chart, 'uninstall'); - } - return result; - } - _notify(descriptors, chart, hook, args) { - args = args || {}; - for (const descriptor of descriptors) { - const plugin = descriptor.plugin; - const method = plugin[hook]; - const params = [chart, args, descriptor.options]; - if (callback(method, params, plugin) === false && args.cancelable) { - return false; - } - } - return true; - } - invalidate() { - if (!isNullOrUndef(this._cache)) { - this._oldCache = this._cache; - this._cache = undefined; - } - } - _descriptors(chart) { - if (this._cache) { - return this._cache; - } - const descriptors = this._cache = this._createDescriptors(chart); - this._notifyStateChanges(chart); - return descriptors; - } - _createDescriptors(chart, all) { - const config = chart && chart.config; - const options = valueOrDefault(config.options && config.options.plugins, {}); - const plugins = allPlugins(config); - return options === false && !all ? [] : createDescriptors(chart, plugins, options, all); - } - _notifyStateChanges(chart) { - const previousDescriptors = this._oldCache || []; - const descriptors = this._cache; - const diff = (a, b) => a.filter(x => !b.some(y => x.plugin.id === y.plugin.id)); - this._notify(diff(previousDescriptors, descriptors), chart, 'stop'); - this._notify(diff(descriptors, previousDescriptors), chart, 'start'); - } -} -function allPlugins(config) { - const plugins = []; - const keys = Object.keys(registry.plugins.items); - for (let i = 0; i < keys.length; i++) { - plugins.push(registry.getPlugin(keys[i])); - } - const local = config.plugins || []; - for (let i = 0; i < local.length; i++) { - const plugin = local[i]; - if (plugins.indexOf(plugin) === -1) { - plugins.push(plugin); - } - } - return plugins; -} -function getOpts(options, all) { - if (!all && options === false) { - return null; - } - if (options === true) { - return {}; - } - return options; -} -function createDescriptors(chart, plugins, options, all) { - const result = []; - const context = chart.getContext(); - for (let i = 0; i < plugins.length; i++) { - const plugin = plugins[i]; - const id = plugin.id; - const opts = getOpts(options[id], all); - if (opts === null) { - continue; - } - result.push({ - plugin, - options: pluginOpts(chart.config, plugin, opts, context) - }); - } - return result; -} -function pluginOpts(config, plugin, opts, context) { - const keys = config.pluginScopeKeys(plugin); - const scopes = config.getOptionScopes(opts, keys); - return config.createResolver(scopes, context, [''], {scriptable: false, indexable: false, allKeys: true}); -} - -function getIndexAxis(type, options) { - const datasetDefaults = defaults.datasets[type] || {}; - const datasetOptions = (options.datasets || {})[type] || {}; - return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x'; -} -function getAxisFromDefaultScaleID(id, indexAxis) { - let axis = id; - if (id === '_index_') { - axis = indexAxis; - } else if (id === '_value_') { - axis = indexAxis === 'x' ? 'y' : 'x'; - } - return axis; -} -function getDefaultScaleIDFromAxis(axis, indexAxis) { - return axis === indexAxis ? '_index_' : '_value_'; -} -function axisFromPosition(position) { - if (position === 'top' || position === 'bottom') { - return 'x'; - } - if (position === 'left' || position === 'right') { - return 'y'; - } -} -function determineAxis(id, scaleOptions) { - if (id === 'x' || id === 'y') { - return id; - } - return scaleOptions.axis || axisFromPosition(scaleOptions.position) || id.charAt(0).toLowerCase(); -} -function mergeScaleConfig(config, options) { - const chartDefaults = overrides[config.type] || {scales: {}}; - const configScales = options.scales || {}; - const chartIndexAxis = getIndexAxis(config.type, options); - const firstIDs = Object.create(null); - const scales = Object.create(null); - Object.keys(configScales).forEach(id => { - const scaleConf = configScales[id]; - const axis = determineAxis(id, scaleConf); - const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis); - const defaultScaleOptions = chartDefaults.scales || {}; - firstIDs[axis] = firstIDs[axis] || id; - scales[id] = mergeIf(Object.create(null), [{axis}, scaleConf, defaultScaleOptions[axis], defaultScaleOptions[defaultId]]); - }); - config.data.datasets.forEach(dataset => { - const type = dataset.type || config.type; - const indexAxis = dataset.indexAxis || getIndexAxis(type, options); - const datasetDefaults = overrides[type] || {}; - const defaultScaleOptions = datasetDefaults.scales || {}; - Object.keys(defaultScaleOptions).forEach(defaultID => { - const axis = getAxisFromDefaultScaleID(defaultID, indexAxis); - const id = dataset[axis + 'AxisID'] || firstIDs[axis] || axis; - scales[id] = scales[id] || Object.create(null); - mergeIf(scales[id], [{axis}, configScales[id], defaultScaleOptions[defaultID]]); - }); - }); - Object.keys(scales).forEach(key => { - const scale = scales[key]; - mergeIf(scale, [defaults.scales[scale.type], defaults.scale]); - }); - return scales; -} -function initOptions(config) { - const options = config.options || (config.options = {}); - options.plugins = valueOrDefault(options.plugins, {}); - options.scales = mergeScaleConfig(config, options); -} -function initData(data) { - data = data || {}; - data.datasets = data.datasets || []; - data.labels = data.labels || []; - return data; -} -function initConfig(config) { - config = config || {}; - config.data = initData(config.data); - initOptions(config); - return config; -} -const keyCache = new Map(); -const keysCached = new Set(); -function cachedKeys(cacheKey, generate) { - let keys = keyCache.get(cacheKey); - if (!keys) { - keys = generate(); - keyCache.set(cacheKey, keys); - keysCached.add(keys); - } - return keys; -} -const addIfFound = (set, obj, key) => { - const opts = resolveObjectKey(obj, key); - if (opts !== undefined) { - set.add(opts); - } -}; -class Config { - constructor(config) { - this._config = initConfig(config); - this._scopeCache = new Map(); - this._resolverCache = new Map(); - } - get platform() { - return this._config.platform; - } - get type() { - return this._config.type; - } - set type(type) { - this._config.type = type; - } - get data() { - return this._config.data; - } - set data(data) { - this._config.data = initData(data); - } - get options() { - return this._config.options; - } - set options(options) { - this._config.options = options; - } - get plugins() { - return this._config.plugins; - } - update() { - const config = this._config; - this.clearCache(); - initOptions(config); - } - clearCache() { - this._scopeCache.clear(); - this._resolverCache.clear(); - } - datasetScopeKeys(datasetType) { - return cachedKeys(datasetType, - () => [[ - `datasets.${datasetType}`, - '' - ]]); - } - datasetAnimationScopeKeys(datasetType, transition) { - return cachedKeys(`${datasetType}.transition.${transition}`, - () => [ - [ - `datasets.${datasetType}.transitions.${transition}`, - `transitions.${transition}`, - ], - [ - `datasets.${datasetType}`, - '' - ] - ]); - } - datasetElementScopeKeys(datasetType, elementType) { - return cachedKeys(`${datasetType}-${elementType}`, - () => [[ - `datasets.${datasetType}.elements.${elementType}`, - `datasets.${datasetType}`, - `elements.${elementType}`, - '' - ]]); - } - pluginScopeKeys(plugin) { - const id = plugin.id; - const type = this.type; - return cachedKeys(`${type}-plugin-${id}`, - () => [[ - `plugins.${id}`, - ...plugin.additionalOptionScopes || [], - ]]); - } - _cachedScopes(mainScope, resetCache) { - const _scopeCache = this._scopeCache; - let cache = _scopeCache.get(mainScope); - if (!cache || resetCache) { - cache = new Map(); - _scopeCache.set(mainScope, cache); - } - return cache; - } - getOptionScopes(mainScope, keyLists, resetCache) { - const {options, type} = this; - const cache = this._cachedScopes(mainScope, resetCache); - const cached = cache.get(keyLists); - if (cached) { - return cached; - } - const scopes = new Set(); - keyLists.forEach(keys => { - if (mainScope) { - scopes.add(mainScope); - keys.forEach(key => addIfFound(scopes, mainScope, key)); - } - keys.forEach(key => addIfFound(scopes, options, key)); - keys.forEach(key => addIfFound(scopes, overrides[type] || {}, key)); - keys.forEach(key => addIfFound(scopes, defaults, key)); - keys.forEach(key => addIfFound(scopes, descriptors, key)); - }); - const array = Array.from(scopes); - if (array.length === 0) { - array.push(Object.create(null)); - } - if (keysCached.has(keyLists)) { - cache.set(keyLists, array); - } - return array; - } - chartOptionScopes() { - const {options, type} = this; - return [ - options, - overrides[type] || {}, - defaults.datasets[type] || {}, - {type}, - defaults, - descriptors - ]; - } - resolveNamedOptions(scopes, names, context, prefixes = ['']) { - const result = {$shared: true}; - const {resolver, subPrefixes} = getResolver(this._resolverCache, scopes, prefixes); - let options = resolver; - if (needContext(resolver, names)) { - result.$shared = false; - context = isFunction(context) ? context() : context; - const subResolver = this.createResolver(scopes, context, subPrefixes); - options = _attachContext(resolver, context, subResolver); - } - for (const prop of names) { - result[prop] = options[prop]; - } - return result; - } - createResolver(scopes, context, prefixes = [''], descriptorDefaults) { - const {resolver} = getResolver(this._resolverCache, scopes, prefixes); - return isObject(context) - ? _attachContext(resolver, context, undefined, descriptorDefaults) - : resolver; - } -} -function getResolver(resolverCache, scopes, prefixes) { - let cache = resolverCache.get(scopes); - if (!cache) { - cache = new Map(); - resolverCache.set(scopes, cache); - } - const cacheKey = prefixes.join(); - let cached = cache.get(cacheKey); - if (!cached) { - const resolver = _createResolver(scopes, prefixes); - cached = { - resolver, - subPrefixes: prefixes.filter(p => !p.toLowerCase().includes('hover')) - }; - cache.set(cacheKey, cached); - } - return cached; -} -function needContext(proxy, names) { - const {isScriptable, isIndexable} = _descriptors(proxy); - for (const prop of names) { - if ((isScriptable(prop) && isFunction(proxy[prop])) - || (isIndexable(prop) && isArray(proxy[prop]))) { - return true; - } - } - return false; -} - -var version = "3.5.1"; - -const KNOWN_POSITIONS = ['top', 'bottom', 'left', 'right', 'chartArea']; -function positionIsHorizontal(position, axis) { - return position === 'top' || position === 'bottom' || (KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x'); -} -function compare2Level(l1, l2) { - return function(a, b) { - return a[l1] === b[l1] - ? a[l2] - b[l2] - : a[l1] - b[l1]; - }; -} -function onAnimationsComplete(context) { - const chart = context.chart; - const animationOptions = chart.options.animation; - chart.notifyPlugins('afterRender'); - callback(animationOptions && animationOptions.onComplete, [context], chart); -} -function onAnimationProgress(context) { - const chart = context.chart; - const animationOptions = chart.options.animation; - callback(animationOptions && animationOptions.onProgress, [context], chart); -} -function getCanvas(item) { - if (_isDomSupported() && typeof item === 'string') { - item = document.getElementById(item); - } else if (item && item.length) { - item = item[0]; - } - if (item && item.canvas) { - item = item.canvas; - } - return item; -} -const instances = {}; -const getChart = (key) => { - const canvas = getCanvas(key); - return Object.values(instances).filter((c) => c.canvas === canvas).pop(); -}; -class Chart { - constructor(item, userConfig) { - const me = this; - const config = this.config = new Config(userConfig); - const initialCanvas = getCanvas(item); - const existingChart = getChart(initialCanvas); - if (existingChart) { - throw new Error( - 'Canvas is already in use. Chart with ID \'' + existingChart.id + '\'' + - ' must be destroyed before the canvas can be reused.' - ); - } - const options = config.createResolver(config.chartOptionScopes(), me.getContext()); - this.platform = new (config.platform || _detectPlatform(initialCanvas))(); - const context = me.platform.acquireContext(initialCanvas, options.aspectRatio); - const canvas = context && context.canvas; - const height = canvas && canvas.height; - const width = canvas && canvas.width; - this.id = uid(); - this.ctx = context; - this.canvas = canvas; - this.width = width; - this.height = height; - this._options = options; - this._aspectRatio = this.aspectRatio; - this._layers = []; - this._metasets = []; - this._stacks = undefined; - this.boxes = []; - this.currentDevicePixelRatio = undefined; - this.chartArea = undefined; - this._active = []; - this._lastEvent = undefined; - this._listeners = {}; - this._responsiveListeners = undefined; - this._sortedMetasets = []; - this.scales = {}; - this._plugins = new PluginService(); - this.$proxies = {}; - this._hiddenIndices = {}; - this.attached = false; - this._animationsDisabled = undefined; - this.$context = undefined; - this._doResize = debounce(() => this.update('resize'), options.resizeDelay || 0); - instances[me.id] = me; - if (!context || !canvas) { - console.error("Failed to create chart: can't acquire context from the given item"); - return; - } - animator.listen(me, 'complete', onAnimationsComplete); - animator.listen(me, 'progress', onAnimationProgress); - me._initialize(); - if (me.attached) { - me.update(); - } - } - get aspectRatio() { - const {options: {aspectRatio, maintainAspectRatio}, width, height, _aspectRatio} = this; - if (!isNullOrUndef(aspectRatio)) { - return aspectRatio; - } - if (maintainAspectRatio && _aspectRatio) { - return _aspectRatio; - } - return height ? width / height : null; - } - get data() { - return this.config.data; - } - set data(data) { - this.config.data = data; - } - get options() { - return this._options; - } - set options(options) { - this.config.options = options; - } - _initialize() { - const me = this; - me.notifyPlugins('beforeInit'); - if (me.options.responsive) { - me.resize(); - } else { - retinaScale(me, me.options.devicePixelRatio); - } - me.bindEvents(); - me.notifyPlugins('afterInit'); - return me; - } - clear() { - clearCanvas(this.canvas, this.ctx); - return this; - } - stop() { - animator.stop(this); - return this; - } - resize(width, height) { - if (!animator.running(this)) { - this._resize(width, height); - } else { - this._resizeBeforeDraw = {width, height}; - } - } - _resize(width, height) { - const me = this; - const options = me.options; - const canvas = me.canvas; - const aspectRatio = options.maintainAspectRatio && me.aspectRatio; - const newSize = me.platform.getMaximumSize(canvas, width, height, aspectRatio); - const newRatio = options.devicePixelRatio || me.platform.getDevicePixelRatio(); - me.width = newSize.width; - me.height = newSize.height; - me._aspectRatio = me.aspectRatio; - if (!retinaScale(me, newRatio, true)) { - return; - } - me.notifyPlugins('resize', {size: newSize}); - callback(options.onResize, [me, newSize], me); - if (me.attached) { - if (me._doResize()) { - me.render(); - } - } - } - ensureScalesHaveIDs() { - const options = this.options; - const scalesOptions = options.scales || {}; - each(scalesOptions, (axisOptions, axisID) => { - axisOptions.id = axisID; - }); - } - buildOrUpdateScales() { - const me = this; - const options = me.options; - const scaleOpts = options.scales; - const scales = me.scales; - const updated = Object.keys(scales).reduce((obj, id) => { - obj[id] = false; - return obj; - }, {}); - let items = []; - if (scaleOpts) { - items = items.concat( - Object.keys(scaleOpts).map((id) => { - const scaleOptions = scaleOpts[id]; - const axis = determineAxis(id, scaleOptions); - const isRadial = axis === 'r'; - const isHorizontal = axis === 'x'; - return { - options: scaleOptions, - dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left', - dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear' - }; - }) - ); - } - each(items, (item) => { - const scaleOptions = item.options; - const id = scaleOptions.id; - const axis = determineAxis(id, scaleOptions); - const scaleType = valueOrDefault(scaleOptions.type, item.dtype); - if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) { - scaleOptions.position = item.dposition; - } - updated[id] = true; - let scale = null; - if (id in scales && scales[id].type === scaleType) { - scale = scales[id]; - } else { - const scaleClass = registry.getScale(scaleType); - scale = new scaleClass({ - id, - type: scaleType, - ctx: me.ctx, - chart: me - }); - scales[scale.id] = scale; - } - scale.init(scaleOptions, options); - }); - each(updated, (hasUpdated, id) => { - if (!hasUpdated) { - delete scales[id]; - } - }); - each(scales, (scale) => { - layouts.configure(me, scale, scale.options); - layouts.addBox(me, scale); - }); - } - _updateMetasets() { - const me = this; - const metasets = me._metasets; - const numData = me.data.datasets.length; - const numMeta = metasets.length; - metasets.sort((a, b) => a.index - b.index); - if (numMeta > numData) { - for (let i = numData; i < numMeta; ++i) { - me._destroyDatasetMeta(i); - } - metasets.splice(numData, numMeta - numData); - } - me._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index')); - } - _removeUnreferencedMetasets() { - const me = this; - const {_metasets: metasets, data: {datasets}} = me; - if (metasets.length > datasets.length) { - delete me._stacks; - } - metasets.forEach((meta, index) => { - if (datasets.filter(x => x === meta._dataset).length === 0) { - me._destroyDatasetMeta(index); - } - }); - } - buildOrUpdateControllers() { - const me = this; - const newControllers = []; - const datasets = me.data.datasets; - let i, ilen; - me._removeUnreferencedMetasets(); - for (i = 0, ilen = datasets.length; i < ilen; i++) { - const dataset = datasets[i]; - let meta = me.getDatasetMeta(i); - const type = dataset.type || me.config.type; - if (meta.type && meta.type !== type) { - me._destroyDatasetMeta(i); - meta = me.getDatasetMeta(i); - } - meta.type = type; - meta.indexAxis = dataset.indexAxis || getIndexAxis(type, me.options); - meta.order = dataset.order || 0; - meta.index = i; - meta.label = '' + dataset.label; - meta.visible = me.isDatasetVisible(i); - if (meta.controller) { - meta.controller.updateIndex(i); - meta.controller.linkScales(); - } else { - const ControllerClass = registry.getController(type); - const {datasetElementType, dataElementType} = defaults.datasets[type]; - Object.assign(ControllerClass.prototype, { - dataElementType: registry.getElement(dataElementType), - datasetElementType: datasetElementType && registry.getElement(datasetElementType) - }); - meta.controller = new ControllerClass(me, i); - newControllers.push(meta.controller); - } - } - me._updateMetasets(); - return newControllers; - } - _resetElements() { - const me = this; - each(me.data.datasets, (dataset, datasetIndex) => { - me.getDatasetMeta(datasetIndex).controller.reset(); - }, me); - } - reset() { - this._resetElements(); - this.notifyPlugins('reset'); - } - update(mode) { - const me = this; - const config = me.config; - config.update(); - me._options = config.createResolver(config.chartOptionScopes(), me.getContext()); - each(me.scales, (scale) => { - layouts.removeBox(me, scale); - }); - const animsDisabled = me._animationsDisabled = !me.options.animation; - me.ensureScalesHaveIDs(); - me.buildOrUpdateScales(); - const existingEvents = new Set(Object.keys(me._listeners)); - const newEvents = new Set(me.options.events); - if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== me.options.responsive) { - me.unbindEvents(); - me.bindEvents(); - } - me._plugins.invalidate(); - if (me.notifyPlugins('beforeUpdate', {mode, cancelable: true}) === false) { - return; - } - const newControllers = me.buildOrUpdateControllers(); - me.notifyPlugins('beforeElementsUpdate'); - let minPadding = 0; - for (let i = 0, ilen = me.data.datasets.length; i < ilen; i++) { - const {controller} = me.getDatasetMeta(i); - const reset = !animsDisabled && newControllers.indexOf(controller) === -1; - controller.buildOrUpdateElements(reset); - minPadding = Math.max(+controller.getMaxOverflow(), minPadding); - } - me._minPadding = minPadding; - me._updateLayout(minPadding); - if (!animsDisabled) { - each(newControllers, (controller) => { - controller.reset(); - }); - } - me._updateDatasets(mode); - me.notifyPlugins('afterUpdate', {mode}); - me._layers.sort(compare2Level('z', '_idx')); - if (me._lastEvent) { - me._eventHandler(me._lastEvent, true); - } - me.render(); - } - _updateLayout(minPadding) { - const me = this; - if (me.notifyPlugins('beforeLayout', {cancelable: true}) === false) { - return; - } - layouts.update(me, me.width, me.height, minPadding); - const area = me.chartArea; - const noArea = area.width <= 0 || area.height <= 0; - me._layers = []; - each(me.boxes, (box) => { - if (noArea && box.position === 'chartArea') { - return; - } - if (box.configure) { - box.configure(); - } - me._layers.push(...box._layers()); - }, me); - me._layers.forEach((item, index) => { - item._idx = index; - }); - me.notifyPlugins('afterLayout'); - } - _updateDatasets(mode) { - const me = this; - const isFunction = typeof mode === 'function'; - if (me.notifyPlugins('beforeDatasetsUpdate', {mode, cancelable: true}) === false) { - return; - } - for (let i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me._updateDataset(i, isFunction ? mode({datasetIndex: i}) : mode); - } - me.notifyPlugins('afterDatasetsUpdate', {mode}); - } - _updateDataset(index, mode) { - const me = this; - const meta = me.getDatasetMeta(index); - const args = {meta, index, mode, cancelable: true}; - if (me.notifyPlugins('beforeDatasetUpdate', args) === false) { - return; - } - meta.controller._update(mode); - args.cancelable = false; - me.notifyPlugins('afterDatasetUpdate', args); - } - render() { - const me = this; - if (me.notifyPlugins('beforeRender', {cancelable: true}) === false) { - return; - } - if (animator.has(me)) { - if (me.attached && !animator.running(me)) { - animator.start(me); - } - } else { - me.draw(); - onAnimationsComplete({chart: me}); - } - } - draw() { - const me = this; - let i; - if (me._resizeBeforeDraw) { - const {width, height} = me._resizeBeforeDraw; - me._resize(width, height); - me._resizeBeforeDraw = null; - } - me.clear(); - if (me.width <= 0 || me.height <= 0) { - return; - } - if (me.notifyPlugins('beforeDraw', {cancelable: true}) === false) { - return; - } - const layers = me._layers; - for (i = 0; i < layers.length && layers[i].z <= 0; ++i) { - layers[i].draw(me.chartArea); - } - me._drawDatasets(); - for (; i < layers.length; ++i) { - layers[i].draw(me.chartArea); - } - me.notifyPlugins('afterDraw'); - } - _getSortedDatasetMetas(filterVisible) { - const me = this; - const metasets = me._sortedMetasets; - const result = []; - let i, ilen; - for (i = 0, ilen = metasets.length; i < ilen; ++i) { - const meta = metasets[i]; - if (!filterVisible || meta.visible) { - result.push(meta); - } - } - return result; - } - getSortedVisibleDatasetMetas() { - return this._getSortedDatasetMetas(true); - } - _drawDatasets() { - const me = this; - if (me.notifyPlugins('beforeDatasetsDraw', {cancelable: true}) === false) { - return; - } - const metasets = me.getSortedVisibleDatasetMetas(); - for (let i = metasets.length - 1; i >= 0; --i) { - me._drawDataset(metasets[i]); - } - me.notifyPlugins('afterDatasetsDraw'); - } - _drawDataset(meta) { - const me = this; - const ctx = me.ctx; - const clip = meta._clip; - const useClip = !clip.disabled; - const area = me.chartArea; - const args = { - meta, - index: meta.index, - cancelable: true - }; - if (me.notifyPlugins('beforeDatasetDraw', args) === false) { - return; - } - if (useClip) { - clipArea(ctx, { - left: clip.left === false ? 0 : area.left - clip.left, - right: clip.right === false ? me.width : area.right + clip.right, - top: clip.top === false ? 0 : area.top - clip.top, - bottom: clip.bottom === false ? me.height : area.bottom + clip.bottom - }); - } - meta.controller.draw(); - if (useClip) { - unclipArea(ctx); - } - args.cancelable = false; - me.notifyPlugins('afterDatasetDraw', args); - } - getElementsAtEventForMode(e, mode, options, useFinalPosition) { - const method = Interaction.modes[mode]; - if (typeof method === 'function') { - return method(this, e, options, useFinalPosition); - } - return []; - } - getDatasetMeta(datasetIndex) { - const me = this; - const dataset = me.data.datasets[datasetIndex]; - const metasets = me._metasets; - let meta = metasets.filter(x => x && x._dataset === dataset).pop(); - if (!meta) { - meta = { - type: null, - data: [], - dataset: null, - controller: null, - hidden: null, - xAxisID: null, - yAxisID: null, - order: dataset && dataset.order || 0, - index: datasetIndex, - _dataset: dataset, - _parsed: [], - _sorted: false - }; - metasets.push(meta); - } - return meta; - } - getContext() { - return this.$context || (this.$context = {chart: this, type: 'chart'}); - } - getVisibleDatasetCount() { - return this.getSortedVisibleDatasetMetas().length; - } - isDatasetVisible(datasetIndex) { - const dataset = this.data.datasets[datasetIndex]; - if (!dataset) { - return false; - } - const meta = this.getDatasetMeta(datasetIndex); - return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden; - } - setDatasetVisibility(datasetIndex, visible) { - const meta = this.getDatasetMeta(datasetIndex); - meta.hidden = !visible; - } - toggleDataVisibility(index) { - this._hiddenIndices[index] = !this._hiddenIndices[index]; - } - getDataVisibility(index) { - return !this._hiddenIndices[index]; - } - _updateVisibility(datasetIndex, dataIndex, visible) { - const me = this; - const mode = visible ? 'show' : 'hide'; - const meta = me.getDatasetMeta(datasetIndex); - const anims = meta.controller._resolveAnimations(undefined, mode); - if (defined(dataIndex)) { - meta.data[dataIndex].hidden = !visible; - me.update(); - } else { - me.setDatasetVisibility(datasetIndex, visible); - anims.update(meta, {visible}); - me.update((ctx) => ctx.datasetIndex === datasetIndex ? mode : undefined); - } - } - hide(datasetIndex, dataIndex) { - this._updateVisibility(datasetIndex, dataIndex, false); - } - show(datasetIndex, dataIndex) { - this._updateVisibility(datasetIndex, dataIndex, true); - } - _destroyDatasetMeta(datasetIndex) { - const me = this; - const meta = me._metasets && me._metasets[datasetIndex]; - if (meta && meta.controller) { - meta.controller._destroy(); - delete me._metasets[datasetIndex]; - } - } - destroy() { - const me = this; - const {canvas, ctx} = me; - let i, ilen; - me.stop(); - animator.remove(me); - for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me._destroyDatasetMeta(i); - } - me.config.clearCache(); - if (canvas) { - me.unbindEvents(); - clearCanvas(canvas, ctx); - me.platform.releaseContext(ctx); - me.canvas = null; - me.ctx = null; - } - me.notifyPlugins('destroy'); - delete instances[me.id]; - } - toBase64Image(...args) { - return this.canvas.toDataURL(...args); - } - bindEvents() { - this.bindUserEvents(); - if (this.options.responsive) { - this.bindResponsiveEvents(); - } else { - this.attached = true; - } - } - bindUserEvents() { - const me = this; - const listeners = me._listeners; - const platform = me.platform; - const _add = (type, listener) => { - platform.addEventListener(me, type, listener); - listeners[type] = listener; - }; - const listener = function(e, x, y) { - e.offsetX = x; - e.offsetY = y; - me._eventHandler(e); - }; - each(me.options.events, (type) => _add(type, listener)); - } - bindResponsiveEvents() { - const me = this; - if (!me._responsiveListeners) { - me._responsiveListeners = {}; - } - const listeners = me._responsiveListeners; - const platform = me.platform; - const _add = (type, listener) => { - platform.addEventListener(me, type, listener); - listeners[type] = listener; - }; - const _remove = (type, listener) => { - if (listeners[type]) { - platform.removeEventListener(me, type, listener); - delete listeners[type]; - } - }; - const listener = (width, height) => { - if (me.canvas) { - me.resize(width, height); - } - }; - let detached; - const attached = () => { - _remove('attach', attached); - me.attached = true; - me.resize(); - _add('resize', listener); - _add('detach', detached); - }; - detached = () => { - me.attached = false; - _remove('resize', listener); - _add('attach', attached); - }; - if (platform.isAttached(me.canvas)) { - attached(); - } else { - detached(); - } - } - unbindEvents() { - const me = this; - each(me._listeners, (listener, type) => { - me.platform.removeEventListener(me, type, listener); - }); - me._listeners = {}; - each(me._responsiveListeners, (listener, type) => { - me.platform.removeEventListener(me, type, listener); - }); - me._responsiveListeners = undefined; - } - updateHoverStyle(items, mode, enabled) { - const prefix = enabled ? 'set' : 'remove'; - let meta, item, i, ilen; - if (mode === 'dataset') { - meta = this.getDatasetMeta(items[0].datasetIndex); - meta.controller['_' + prefix + 'DatasetHoverStyle'](); - } - for (i = 0, ilen = items.length; i < ilen; ++i) { - item = items[i]; - const controller = item && this.getDatasetMeta(item.datasetIndex).controller; - if (controller) { - controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index); - } - } - } - getActiveElements() { - return this._active || []; - } - setActiveElements(activeElements) { - const me = this; - const lastActive = me._active || []; - const active = activeElements.map(({datasetIndex, index}) => { - const meta = me.getDatasetMeta(datasetIndex); - if (!meta) { - throw new Error('No dataset found at index ' + datasetIndex); - } - return { - datasetIndex, - element: meta.data[index], - index, - }; - }); - const changed = !_elementsEqual(active, lastActive); - if (changed) { - me._active = active; - me._updateHoverStyles(active, lastActive); - } - } - notifyPlugins(hook, args, filter) { - return this._plugins.notify(this, hook, args, filter); - } - _updateHoverStyles(active, lastActive, replay) { - const me = this; - const hoverOptions = me.options.hover; - const diff = (a, b) => a.filter(x => !b.some(y => x.datasetIndex === y.datasetIndex && x.index === y.index)); - const deactivated = diff(lastActive, active); - const activated = replay ? active : diff(active, lastActive); - if (deactivated.length) { - me.updateHoverStyle(deactivated, hoverOptions.mode, false); - } - if (activated.length && hoverOptions.mode) { - me.updateHoverStyle(activated, hoverOptions.mode, true); - } - } - _eventHandler(e, replay) { - const me = this; - const args = {event: e, replay, cancelable: true}; - const eventFilter = (plugin) => (plugin.options.events || this.options.events).includes(e.type); - if (me.notifyPlugins('beforeEvent', args, eventFilter) === false) { - return; - } - const changed = me._handleEvent(e, replay); - args.cancelable = false; - me.notifyPlugins('afterEvent', args, eventFilter); - if (changed || args.changed) { - me.render(); - } - return me; - } - _handleEvent(e, replay) { - const me = this; - const {_active: lastActive = [], options} = me; - const hoverOptions = options.hover; - const useFinalPosition = replay; - let active = []; - let changed = false; - let lastEvent = null; - if (e.type !== 'mouseout') { - active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition); - lastEvent = e.type === 'click' ? me._lastEvent : e; - } - me._lastEvent = null; - if (_isPointInArea(e, me.chartArea, me._minPadding)) { - callback(options.onHover, [e, active, me], me); - if (e.type === 'mouseup' || e.type === 'click' || e.type === 'contextmenu') { - callback(options.onClick, [e, active, me], me); - } - } - changed = !_elementsEqual(active, lastActive); - if (changed || replay) { - me._active = active; - me._updateHoverStyles(active, lastActive, replay); - } - me._lastEvent = lastEvent; - return changed; - } -} -const invalidatePlugins = () => each(Chart.instances, (chart) => chart._plugins.invalidate()); -const enumerable = true; -Object.defineProperties(Chart, { - defaults: { - enumerable, - value: defaults - }, - instances: { - enumerable, - value: instances - }, - overrides: { - enumerable, - value: overrides - }, - registry: { - enumerable, - value: registry - }, - version: { - enumerable, - value: version - }, - getChart: { - enumerable, - value: getChart - }, - register: { - enumerable, - value: (...items) => { - registry.add(...items); - invalidatePlugins(); - } - }, - unregister: { - enumerable, - value: (...items) => { - registry.remove(...items); - invalidatePlugins(); - } - } -}); - -function abstract() { - throw new Error('This method is not implemented: Check that a complete date adapter is provided.'); -} -class DateAdapter { - constructor(options) { - this.options = options || {}; - } - formats() { - return abstract(); - } - parse(value, format) { - return abstract(); - } - format(timestamp, format) { - return abstract(); - } - add(timestamp, amount, unit) { - return abstract(); - } - diff(a, b, unit) { - return abstract(); - } - startOf(timestamp, unit, weekday) { - return abstract(); - } - endOf(timestamp, unit) { - return abstract(); - } -} -DateAdapter.override = function(members) { - Object.assign(DateAdapter.prototype, members); -}; -var _adapters = { - _date: DateAdapter -}; - -function getAllScaleValues(scale) { - if (!scale._cache.$bar) { - const metas = scale.getMatchingVisibleMetas('bar'); - let values = []; - for (let i = 0, ilen = metas.length; i < ilen; i++) { - values = values.concat(metas[i].controller.getAllParsedValues(scale)); - } - scale._cache.$bar = _arrayUnique(values.sort((a, b) => a - b)); - } - return scale._cache.$bar; -} -function computeMinSampleSize(scale) { - const values = getAllScaleValues(scale); - let min = scale._length; - let i, ilen, curr, prev; - const updateMinAndPrev = () => { - if (curr === 32767 || curr === -32768) { - return; - } - if (defined(prev)) { - min = Math.min(min, Math.abs(curr - prev) || min); - } - prev = curr; - }; - for (i = 0, ilen = values.length; i < ilen; ++i) { - curr = scale.getPixelForValue(values[i]); - updateMinAndPrev(); - } - prev = undefined; - for (i = 0, ilen = scale.ticks.length; i < ilen; ++i) { - curr = scale.getPixelForTick(i); - updateMinAndPrev(); - } - return min; -} -function computeFitCategoryTraits(index, ruler, options, stackCount) { - const thickness = options.barThickness; - let size, ratio; - if (isNullOrUndef(thickness)) { - size = ruler.min * options.categoryPercentage; - ratio = options.barPercentage; - } else { - size = thickness * stackCount; - ratio = 1; - } - return { - chunk: size / stackCount, - ratio, - start: ruler.pixels[index] - (size / 2) - }; -} -function computeFlexCategoryTraits(index, ruler, options, stackCount) { - const pixels = ruler.pixels; - const curr = pixels[index]; - let prev = index > 0 ? pixels[index - 1] : null; - let next = index < pixels.length - 1 ? pixels[index + 1] : null; - const percent = options.categoryPercentage; - if (prev === null) { - prev = curr - (next === null ? ruler.end - ruler.start : next - curr); - } - if (next === null) { - next = curr + curr - prev; - } - const start = curr - (curr - Math.min(prev, next)) / 2 * percent; - const size = Math.abs(next - prev) / 2 * percent; - return { - chunk: size / stackCount, - ratio: options.barPercentage, - start - }; -} -function parseFloatBar(entry, item, vScale, i) { - const startValue = vScale.parse(entry[0], i); - const endValue = vScale.parse(entry[1], i); - const min = Math.min(startValue, endValue); - const max = Math.max(startValue, endValue); - let barStart = min; - let barEnd = max; - if (Math.abs(min) > Math.abs(max)) { - barStart = max; - barEnd = min; - } - item[vScale.axis] = barEnd; - item._custom = { - barStart, - barEnd, - start: startValue, - end: endValue, - min, - max - }; -} -function parseValue(entry, item, vScale, i) { - if (isArray(entry)) { - parseFloatBar(entry, item, vScale, i); - } else { - item[vScale.axis] = vScale.parse(entry, i); - } - return item; -} -function parseArrayOrPrimitive(meta, data, start, count) { - const iScale = meta.iScale; - const vScale = meta.vScale; - const labels = iScale.getLabels(); - const singleScale = iScale === vScale; - const parsed = []; - let i, ilen, item, entry; - for (i = start, ilen = start + count; i < ilen; ++i) { - entry = data[i]; - item = {}; - item[iScale.axis] = singleScale || iScale.parse(labels[i], i); - parsed.push(parseValue(entry, item, vScale, i)); - } - return parsed; -} -function isFloatBar(custom) { - return custom && custom.barStart !== undefined && custom.barEnd !== undefined; -} -function barSign(size, vScale, actualBase) { - if (size !== 0) { - return sign(size); - } - return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1); -} -function borderProps(properties) { - let reverse, start, end, top, bottom; - if (properties.horizontal) { - reverse = properties.base > properties.x; - start = 'left'; - end = 'right'; - } else { - reverse = properties.base < properties.y; - start = 'bottom'; - end = 'top'; - } - if (reverse) { - top = 'end'; - bottom = 'start'; - } else { - top = 'start'; - bottom = 'end'; - } - return {start, end, reverse, top, bottom}; -} -function setBorderSkipped(properties, options, stack, index) { - let edge = options.borderSkipped; - const res = {}; - if (!edge) { - properties.borderSkipped = res; - return; - } - const {start, end, reverse, top, bottom} = borderProps(properties); - if (edge === 'middle' && stack) { - properties.enableBorderRadius = true; - if ((stack._top || 0) === index) { - edge = top; - } else if ((stack._bottom || 0) === index) { - edge = bottom; - } else { - res[parseEdge(bottom, start, end, reverse)] = true; - edge = top; - } - } - res[parseEdge(edge, start, end, reverse)] = true; - properties.borderSkipped = res; -} -function parseEdge(edge, a, b, reverse) { - if (reverse) { - edge = swap(edge, a, b); - edge = startEnd(edge, b, a); - } else { - edge = startEnd(edge, a, b); - } - return edge; -} -function swap(orig, v1, v2) { - return orig === v1 ? v2 : orig === v2 ? v1 : orig; -} -function startEnd(v, start, end) { - return v === 'start' ? start : v === 'end' ? end : v; -} -class BarController extends DatasetController { - parsePrimitiveData(meta, data, start, count) { - return parseArrayOrPrimitive(meta, data, start, count); - } - parseArrayData(meta, data, start, count) { - return parseArrayOrPrimitive(meta, data, start, count); - } - parseObjectData(meta, data, start, count) { - const {iScale, vScale} = meta; - const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing; - const iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey; - const vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey; - const parsed = []; - let i, ilen, item, obj; - for (i = start, ilen = start + count; i < ilen; ++i) { - obj = data[i]; - item = {}; - item[iScale.axis] = iScale.parse(resolveObjectKey(obj, iAxisKey), i); - parsed.push(parseValue(resolveObjectKey(obj, vAxisKey), item, vScale, i)); - } - return parsed; - } - updateRangeFromParsed(range, scale, parsed, stack) { - super.updateRangeFromParsed(range, scale, parsed, stack); - const custom = parsed._custom; - if (custom && scale === this._cachedMeta.vScale) { - range.min = Math.min(range.min, custom.min); - range.max = Math.max(range.max, custom.max); - } - } - getMaxOverflow() { - return 0; - } - getLabelAndValue(index) { - const me = this; - const meta = me._cachedMeta; - const {iScale, vScale} = meta; - const parsed = me.getParsed(index); - const custom = parsed._custom; - const value = isFloatBar(custom) - ? '[' + custom.start + ', ' + custom.end + ']' - : '' + vScale.getLabelForValue(parsed[vScale.axis]); - return { - label: '' + iScale.getLabelForValue(parsed[iScale.axis]), - value - }; - } - initialize() { - const me = this; - me.enableOptionSharing = true; - super.initialize(); - const meta = me._cachedMeta; - meta.stack = me.getDataset().stack; - } - update(mode) { - const me = this; - const meta = me._cachedMeta; - me.updateElements(meta.data, 0, meta.data.length, mode); - } - updateElements(bars, start, count, mode) { - const me = this; - const reset = mode === 'reset'; - const {index, _cachedMeta: {vScale}} = me; - const base = vScale.getBasePixel(); - const horizontal = vScale.isHorizontal(); - const ruler = me._getRuler(); - const firstOpts = me.resolveDataElementOptions(start, mode); - const sharedOptions = me.getSharedOptions(firstOpts); - const includeOptions = me.includeOptions(mode, sharedOptions); - me.updateSharedOptions(sharedOptions, mode, firstOpts); - for (let i = start; i < start + count; i++) { - const parsed = me.getParsed(i); - const vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? {base, head: base} : me._calculateBarValuePixels(i); - const ipixels = me._calculateBarIndexPixels(i, ruler); - const stack = (parsed._stacks || {})[vScale.axis]; - const properties = { - horizontal, - base: vpixels.base, - enableBorderRadius: !stack || isFloatBar(parsed._custom) || (index === stack._top || index === stack._bottom), - x: horizontal ? vpixels.head : ipixels.center, - y: horizontal ? ipixels.center : vpixels.head, - height: horizontal ? ipixels.size : Math.abs(vpixels.size), - width: horizontal ? Math.abs(vpixels.size) : ipixels.size - }; - if (includeOptions) { - properties.options = sharedOptions || me.resolveDataElementOptions(i, bars[i].active ? 'active' : mode); - } - setBorderSkipped(properties, properties.options || bars[i].options, stack, index); - me.updateElement(bars[i], i, properties, mode); - } - } - _getStacks(last, dataIndex) { - const me = this; - const meta = me._cachedMeta; - const iScale = meta.iScale; - const metasets = iScale.getMatchingVisibleMetas(me._type); - const stacked = iScale.options.stacked; - const ilen = metasets.length; - const stacks = []; - let i, item; - for (i = 0; i < ilen; ++i) { - item = metasets[i]; - if (!item.controller.options.grouped) { - continue; - } - if (typeof dataIndex !== 'undefined') { - const val = item.controller.getParsed(dataIndex)[ - item.controller._cachedMeta.vScale.axis - ]; - if (isNullOrUndef(val) || isNaN(val)) { - continue; - } - } - if (stacked === false || stacks.indexOf(item.stack) === -1 || - (stacked === undefined && item.stack === undefined)) { - stacks.push(item.stack); - } - if (item.index === last) { - break; - } - } - if (!stacks.length) { - stacks.push(undefined); - } - return stacks; - } - _getStackCount(index) { - return this._getStacks(undefined, index).length; - } - _getStackIndex(datasetIndex, name, dataIndex) { - const stacks = this._getStacks(datasetIndex, dataIndex); - const index = (name !== undefined) - ? stacks.indexOf(name) - : -1; - return (index === -1) - ? stacks.length - 1 - : index; - } - _getRuler() { - const me = this; - const opts = me.options; - const meta = me._cachedMeta; - const iScale = meta.iScale; - const pixels = []; - let i, ilen; - for (i = 0, ilen = meta.data.length; i < ilen; ++i) { - pixels.push(iScale.getPixelForValue(me.getParsed(i)[iScale.axis], i)); - } - const barThickness = opts.barThickness; - const min = barThickness || computeMinSampleSize(iScale); - return { - min, - pixels, - start: iScale._startPixel, - end: iScale._endPixel, - stackCount: me._getStackCount(), - scale: iScale, - grouped: opts.grouped, - ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage - }; - } - _calculateBarValuePixels(index) { - const me = this; - const {_cachedMeta: {vScale, _stacked}, options: {base: baseValue, minBarLength}} = me; - const actualBase = baseValue || 0; - const parsed = me.getParsed(index); - const custom = parsed._custom; - const floating = isFloatBar(custom); - let value = parsed[vScale.axis]; - let start = 0; - let length = _stacked ? me.applyStack(vScale, parsed, _stacked) : value; - let head, size; - if (length !== value) { - start = length - value; - length = value; - } - if (floating) { - value = custom.barStart; - length = custom.barEnd - custom.barStart; - if (value !== 0 && sign(value) !== sign(custom.barEnd)) { - start = 0; - } - start += value; - } - const startValue = !isNullOrUndef(baseValue) && !floating ? baseValue : start; - let base = vScale.getPixelForValue(startValue); - if (me.chart.getDataVisibility(index)) { - head = vScale.getPixelForValue(start + length); - } else { - head = base; - } - size = head - base; - if (Math.abs(size) < minBarLength) { - size = barSign(size, vScale, actualBase) * minBarLength; - if (value === actualBase) { - base -= size / 2; - } - head = base + size; - } - if (base === vScale.getPixelForValue(actualBase)) { - const halfGrid = sign(size) * vScale.getLineWidthForValue(actualBase) / 2; - base += halfGrid; - size -= halfGrid; - } - return { - size, - base, - head, - center: head + size / 2 - }; - } - _calculateBarIndexPixels(index, ruler) { - const me = this; - const scale = ruler.scale; - const options = me.options; - const skipNull = options.skipNull; - const maxBarThickness = valueOrDefault(options.maxBarThickness, Infinity); - let center, size; - if (ruler.grouped) { - const stackCount = skipNull ? me._getStackCount(index) : ruler.stackCount; - const range = options.barThickness === 'flex' - ? computeFlexCategoryTraits(index, ruler, options, stackCount) - : computeFitCategoryTraits(index, ruler, options, stackCount); - const stackIndex = me._getStackIndex(me.index, me._cachedMeta.stack, skipNull ? index : undefined); - center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); - size = Math.min(maxBarThickness, range.chunk * range.ratio); - } else { - center = scale.getPixelForValue(me.getParsed(index)[scale.axis], index); - size = Math.min(maxBarThickness, ruler.min * ruler.ratio); - } - return { - base: center - size / 2, - head: center + size / 2, - center, - size - }; - } - draw() { - const me = this; - const meta = me._cachedMeta; - const vScale = meta.vScale; - const rects = meta.data; - const ilen = rects.length; - let i = 0; - for (; i < ilen; ++i) { - if (me.getParsed(i)[vScale.axis] !== null) { - rects[i].draw(me._ctx); - } - } - } -} -BarController.id = 'bar'; -BarController.defaults = { - datasetElementType: false, - dataElementType: 'bar', - categoryPercentage: 0.8, - barPercentage: 0.9, - grouped: true, - animations: { - numbers: { - type: 'number', - properties: ['x', 'y', 'base', 'width', 'height'] - } - } -}; -BarController.overrides = { - scales: { - _index_: { - type: 'category', - offset: true, - grid: { - offset: true - } - }, - _value_: { - type: 'linear', - beginAtZero: true, - } - } -}; - -class BubbleController extends DatasetController { - initialize() { - this.enableOptionSharing = true; - super.initialize(); - } - parseObjectData(meta, data, start, count) { - const {xScale, yScale} = meta; - const {xAxisKey = 'x', yAxisKey = 'y'} = this._parsing; - const parsed = []; - let i, ilen, item; - for (i = start, ilen = start + count; i < ilen; ++i) { - item = data[i]; - parsed.push({ - x: xScale.parse(resolveObjectKey(item, xAxisKey), i), - y: yScale.parse(resolveObjectKey(item, yAxisKey), i), - _custom: item && item.r && +item.r - }); - } - return parsed; - } - getMaxOverflow() { - const {data, _parsed} = this._cachedMeta; - let max = 0; - for (let i = data.length - 1; i >= 0; --i) { - max = Math.max(max, data[i].size() / 2, _parsed[i]._custom); - } - return max > 0 && max; - } - getLabelAndValue(index) { - const me = this; - const meta = me._cachedMeta; - const {xScale, yScale} = meta; - const parsed = me.getParsed(index); - const x = xScale.getLabelForValue(parsed.x); - const y = yScale.getLabelForValue(parsed.y); - const r = parsed._custom; - return { - label: meta.label, - value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')' - }; - } - update(mode) { - const me = this; - const points = me._cachedMeta.data; - me.updateElements(points, 0, points.length, mode); - } - updateElements(points, start, count, mode) { - const me = this; - const reset = mode === 'reset'; - const {iScale, vScale} = me._cachedMeta; - const firstOpts = me.resolveDataElementOptions(start, mode); - const sharedOptions = me.getSharedOptions(firstOpts); - const includeOptions = me.includeOptions(mode, sharedOptions); - const iAxis = iScale.axis; - const vAxis = vScale.axis; - for (let i = start; i < start + count; i++) { - const point = points[i]; - const parsed = !reset && me.getParsed(i); - const properties = {}; - const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]); - const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]); - properties.skip = isNaN(iPixel) || isNaN(vPixel); - if (includeOptions) { - properties.options = me.resolveDataElementOptions(i, point.active ? 'active' : mode); - if (reset) { - properties.options.radius = 0; - } - } - me.updateElement(point, i, properties, mode); - } - me.updateSharedOptions(sharedOptions, mode, firstOpts); - } - resolveDataElementOptions(index, mode) { - const parsed = this.getParsed(index); - let values = super.resolveDataElementOptions(index, mode); - if (values.$shared) { - values = Object.assign({}, values, {$shared: false}); - } - const radius = values.radius; - if (mode !== 'active') { - values.radius = 0; - } - values.radius += valueOrDefault(parsed && parsed._custom, radius); - return values; - } -} -BubbleController.id = 'bubble'; -BubbleController.defaults = { - datasetElementType: false, - dataElementType: 'point', - animations: { - numbers: { - type: 'number', - properties: ['x', 'y', 'borderWidth', 'radius'] - } - } -}; -BubbleController.overrides = { - scales: { - x: { - type: 'linear' - }, - y: { - type: 'linear' - } - }, - plugins: { - tooltip: { - callbacks: { - title() { - return ''; - } - } - } - } -}; - -function getRatioAndOffset(rotation, circumference, cutout) { - let ratioX = 1; - let ratioY = 1; - let offsetX = 0; - let offsetY = 0; - if (circumference < TAU) { - const startAngle = rotation; - const endAngle = startAngle + circumference; - const startX = Math.cos(startAngle); - const startY = Math.sin(startAngle); - const endX = Math.cos(endAngle); - const endY = Math.sin(endAngle); - const calcMax = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout); - const calcMin = (angle, a, b) => _angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout); - const maxX = calcMax(0, startX, endX); - const maxY = calcMax(HALF_PI, startY, endY); - const minX = calcMin(PI, startX, endX); - const minY = calcMin(PI + HALF_PI, startY, endY); - ratioX = (maxX - minX) / 2; - ratioY = (maxY - minY) / 2; - offsetX = -(maxX + minX) / 2; - offsetY = -(maxY + minY) / 2; - } - return {ratioX, ratioY, offsetX, offsetY}; -} -class DoughnutController extends DatasetController { - constructor(chart, datasetIndex) { - super(chart, datasetIndex); - this.enableOptionSharing = true; - this.innerRadius = undefined; - this.outerRadius = undefined; - this.offsetX = undefined; - this.offsetY = undefined; - } - linkScales() {} - parse(start, count) { - const data = this.getDataset().data; - const meta = this._cachedMeta; - let i, ilen; - for (i = start, ilen = start + count; i < ilen; ++i) { - meta._parsed[i] = +data[i]; - } - } - _getRotation() { - return toRadians(this.options.rotation - 90); - } - _getCircumference() { - return toRadians(this.options.circumference); - } - _getRotationExtents() { - let min = TAU; - let max = -TAU; - const me = this; - for (let i = 0; i < me.chart.data.datasets.length; ++i) { - if (me.chart.isDatasetVisible(i)) { - const controller = me.chart.getDatasetMeta(i).controller; - const rotation = controller._getRotation(); - const circumference = controller._getCircumference(); - min = Math.min(min, rotation); - max = Math.max(max, rotation + circumference); - } - } - return { - rotation: min, - circumference: max - min, - }; - } - update(mode) { - const me = this; - const chart = me.chart; - const {chartArea} = chart; - const meta = me._cachedMeta; - const arcs = meta.data; - const spacing = me.getMaxBorderWidth() + me.getMaxOffset(arcs) + me.options.spacing; - const maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0); - const cutout = Math.min(toPercentage(me.options.cutout, maxSize), 1); - const chartWeight = me._getRingWeight(me.index); - const {circumference, rotation} = me._getRotationExtents(); - const {ratioX, ratioY, offsetX, offsetY} = getRatioAndOffset(rotation, circumference, cutout); - const maxWidth = (chartArea.width - spacing) / ratioX; - const maxHeight = (chartArea.height - spacing) / ratioY; - const maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0); - const outerRadius = toDimension(me.options.radius, maxRadius); - const innerRadius = Math.max(outerRadius * cutout, 0); - const radiusLength = (outerRadius - innerRadius) / me._getVisibleDatasetWeightTotal(); - me.offsetX = offsetX * outerRadius; - me.offsetY = offsetY * outerRadius; - meta.total = me.calculateTotal(); - me.outerRadius = outerRadius - radiusLength * me._getRingWeightOffset(me.index); - me.innerRadius = Math.max(me.outerRadius - radiusLength * chartWeight, 0); - me.updateElements(arcs, 0, arcs.length, mode); - } - _circumference(i, reset) { - const me = this; - const opts = me.options; - const meta = me._cachedMeta; - const circumference = me._getCircumference(); - if ((reset && opts.animation.animateRotate) || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) { - return 0; - } - return me.calculateCircumference(meta._parsed[i] * circumference / TAU); - } - updateElements(arcs, start, count, mode) { - const me = this; - const reset = mode === 'reset'; - const chart = me.chart; - const chartArea = chart.chartArea; - const opts = chart.options; - const animationOpts = opts.animation; - const centerX = (chartArea.left + chartArea.right) / 2; - const centerY = (chartArea.top + chartArea.bottom) / 2; - const animateScale = reset && animationOpts.animateScale; - const innerRadius = animateScale ? 0 : me.innerRadius; - const outerRadius = animateScale ? 0 : me.outerRadius; - const firstOpts = me.resolveDataElementOptions(start, mode); - const sharedOptions = me.getSharedOptions(firstOpts); - const includeOptions = me.includeOptions(mode, sharedOptions); - let startAngle = me._getRotation(); - let i; - for (i = 0; i < start; ++i) { - startAngle += me._circumference(i, reset); - } - for (i = start; i < start + count; ++i) { - const circumference = me._circumference(i, reset); - const arc = arcs[i]; - const properties = { - x: centerX + me.offsetX, - y: centerY + me.offsetY, - startAngle, - endAngle: startAngle + circumference, - circumference, - outerRadius, - innerRadius - }; - if (includeOptions) { - properties.options = sharedOptions || me.resolveDataElementOptions(i, arc.active ? 'active' : mode); - } - startAngle += circumference; - me.updateElement(arc, i, properties, mode); - } - me.updateSharedOptions(sharedOptions, mode, firstOpts); - } - calculateTotal() { - const meta = this._cachedMeta; - const metaData = meta.data; - let total = 0; - let i; - for (i = 0; i < metaData.length; i++) { - const value = meta._parsed[i]; - if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) { - total += Math.abs(value); - } - } - return total; - } - calculateCircumference(value) { - const total = this._cachedMeta.total; - if (total > 0 && !isNaN(value)) { - return TAU * (Math.abs(value) / total); - } - return 0; - } - getLabelAndValue(index) { - const me = this; - const meta = me._cachedMeta; - const chart = me.chart; - const labels = chart.data.labels || []; - const value = formatNumber(meta._parsed[index], chart.options.locale); - return { - label: labels[index] || '', - value, - }; - } - getMaxBorderWidth(arcs) { - const me = this; - let max = 0; - const chart = me.chart; - let i, ilen, meta, controller, options; - if (!arcs) { - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - arcs = meta.data; - controller = meta.controller; - if (controller !== me) { - controller.configure(); - } - break; - } - } - } - if (!arcs) { - return 0; - } - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - options = controller.resolveDataElementOptions(i); - if (options.borderAlign !== 'inner') { - max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0); - } - } - return max; - } - getMaxOffset(arcs) { - let max = 0; - for (let i = 0, ilen = arcs.length; i < ilen; ++i) { - const options = this.resolveDataElementOptions(i); - max = Math.max(max, options.offset || 0, options.hoverOffset || 0); - } - return max; - } - _getRingWeightOffset(datasetIndex) { - let ringWeightOffset = 0; - for (let i = 0; i < datasetIndex; ++i) { - if (this.chart.isDatasetVisible(i)) { - ringWeightOffset += this._getRingWeight(i); - } - } - return ringWeightOffset; - } - _getRingWeight(datasetIndex) { - return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0); - } - _getVisibleDatasetWeightTotal() { - return this._getRingWeightOffset(this.chart.data.datasets.length) || 1; - } -} -DoughnutController.id = 'doughnut'; -DoughnutController.defaults = { - datasetElementType: false, - dataElementType: 'arc', - animation: { - animateRotate: true, - animateScale: false - }, - animations: { - numbers: { - type: 'number', - properties: ['circumference', 'endAngle', 'innerRadius', 'outerRadius', 'startAngle', 'x', 'y', 'offset', 'borderWidth', 'spacing'] - }, - }, - cutout: '50%', - rotation: 0, - circumference: 360, - radius: '100%', - spacing: 0, - indexAxis: 'r', -}; -DoughnutController.descriptors = { - _scriptable: (name) => name !== 'spacing', - _indexable: (name) => name !== 'spacing', -}; -DoughnutController.overrides = { - aspectRatio: 1, - plugins: { - legend: { - labels: { - generateLabels(chart) { - const data = chart.data; - if (data.labels.length && data.datasets.length) { - const {labels: {pointStyle}} = chart.legend.options; - return data.labels.map((label, i) => { - const meta = chart.getDatasetMeta(0); - const style = meta.controller.getStyle(i); - return { - text: label, - fillStyle: style.backgroundColor, - strokeStyle: style.borderColor, - lineWidth: style.borderWidth, - pointStyle: pointStyle, - hidden: !chart.getDataVisibility(i), - index: i - }; - }); - } - return []; - } - }, - onClick(e, legendItem, legend) { - legend.chart.toggleDataVisibility(legendItem.index); - legend.chart.update(); - } - }, - tooltip: { - callbacks: { - title() { - return ''; - }, - label(tooltipItem) { - let dataLabel = tooltipItem.label; - const value = ': ' + tooltipItem.formattedValue; - if (isArray(dataLabel)) { - dataLabel = dataLabel.slice(); - dataLabel[0] += value; - } else { - dataLabel += value; - } - return dataLabel; - } - } - } - } -}; - -class LineController extends DatasetController { - initialize() { - this.enableOptionSharing = true; - super.initialize(); - } - update(mode) { - const me = this; - const meta = me._cachedMeta; - const {dataset: line, data: points = [], _dataset} = meta; - const animationsDisabled = me.chart._animationsDisabled; - let {start, count} = getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); - me._drawStart = start; - me._drawCount = count; - if (scaleRangesChanged(meta)) { - start = 0; - count = points.length; - } - line._datasetIndex = me.index; - line._decimated = !!_dataset._decimated; - line.points = points; - const options = me.resolveDatasetElementOptions(mode); - if (!me.options.showLine) { - options.borderWidth = 0; - } - options.segment = me.options.segment; - me.updateElement(line, undefined, { - animated: !animationsDisabled, - options - }, mode); - me.updateElements(points, start, count, mode); - } - updateElements(points, start, count, mode) { - const me = this; - const reset = mode === 'reset'; - const {iScale, vScale, _stacked} = me._cachedMeta; - const firstOpts = me.resolveDataElementOptions(start, mode); - const sharedOptions = me.getSharedOptions(firstOpts); - const includeOptions = me.includeOptions(mode, sharedOptions); - const iAxis = iScale.axis; - const vAxis = vScale.axis; - const spanGaps = me.options.spanGaps; - const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; - const directUpdate = me.chart._animationsDisabled || reset || mode === 'none'; - let prevParsed = start > 0 && me.getParsed(start - 1); - for (let i = start; i < start + count; ++i) { - const point = points[i]; - const parsed = me.getParsed(i); - const properties = directUpdate ? point : {}; - const nullData = isNullOrUndef(parsed[vAxis]); - const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); - const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? me.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); - properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; - properties.stop = i > 0 && (parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; - properties.parsed = parsed; - if (includeOptions) { - properties.options = sharedOptions || me.resolveDataElementOptions(i, point.active ? 'active' : mode); - } - if (!directUpdate) { - me.updateElement(point, i, properties, mode); - } - prevParsed = parsed; - } - me.updateSharedOptions(sharedOptions, mode, firstOpts); - } - getMaxOverflow() { - const me = this; - const meta = me._cachedMeta; - const dataset = meta.dataset; - const border = dataset.options && dataset.options.borderWidth || 0; - const data = meta.data || []; - if (!data.length) { - return border; - } - const firstPoint = data[0].size(me.resolveDataElementOptions(0)); - const lastPoint = data[data.length - 1].size(me.resolveDataElementOptions(data.length - 1)); - return Math.max(border, firstPoint, lastPoint) / 2; - } - draw() { - const meta = this._cachedMeta; - meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis); - super.draw(); - } -} -LineController.id = 'line'; -LineController.defaults = { - datasetElementType: 'line', - dataElementType: 'point', - showLine: true, - spanGaps: false, -}; -LineController.overrides = { - scales: { - _index_: { - type: 'category', - }, - _value_: { - type: 'linear', - }, - } -}; -function getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) { - const pointCount = points.length; - let start = 0; - let count = pointCount; - if (meta._sorted) { - const {iScale, _parsed} = meta; - const axis = iScale.axis; - const {min, max, minDefined, maxDefined} = iScale.getUserBounds(); - if (minDefined) { - start = _limitValue(Math.min( - _lookupByKey(_parsed, iScale.axis, min).lo, - animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo), - 0, pointCount - 1); - } - if (maxDefined) { - count = _limitValue(Math.max( - _lookupByKey(_parsed, iScale.axis, max).hi + 1, - animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max)).hi + 1), - start, pointCount) - start; - } else { - count = pointCount - start; - } - } - return {start, count}; -} -function scaleRangesChanged(meta) { - const {xScale, yScale, _scaleRanges} = meta; - const newRanges = { - xmin: xScale.min, - xmax: xScale.max, - ymin: yScale.min, - ymax: yScale.max - }; - if (!_scaleRanges) { - meta._scaleRanges = newRanges; - return true; - } - const changed = _scaleRanges.xmin !== xScale.min - || _scaleRanges.xmax !== xScale.max - || _scaleRanges.ymin !== yScale.min - || _scaleRanges.ymax !== yScale.max; - Object.assign(_scaleRanges, newRanges); - return changed; -} - -class PolarAreaController extends DatasetController { - constructor(chart, datasetIndex) { - super(chart, datasetIndex); - this.innerRadius = undefined; - this.outerRadius = undefined; - } - getLabelAndValue(index) { - const me = this; - const meta = me._cachedMeta; - const chart = me.chart; - const labels = chart.data.labels || []; - const value = formatNumber(meta._parsed[index].r, chart.options.locale); - return { - label: labels[index] || '', - value, - }; - } - update(mode) { - const arcs = this._cachedMeta.data; - this._updateRadius(); - this.updateElements(arcs, 0, arcs.length, mode); - } - _updateRadius() { - const me = this; - const chart = me.chart; - const chartArea = chart.chartArea; - const opts = chart.options; - const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); - const outerRadius = Math.max(minSize / 2, 0); - const innerRadius = Math.max(opts.cutoutPercentage ? (outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); - const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount(); - me.outerRadius = outerRadius - (radiusLength * me.index); - me.innerRadius = me.outerRadius - radiusLength; - } - updateElements(arcs, start, count, mode) { - const me = this; - const reset = mode === 'reset'; - const chart = me.chart; - const dataset = me.getDataset(); - const opts = chart.options; - const animationOpts = opts.animation; - const scale = me._cachedMeta.rScale; - const centerX = scale.xCenter; - const centerY = scale.yCenter; - const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI; - let angle = datasetStartAngle; - let i; - const defaultAngle = 360 / me.countVisibleElements(); - for (i = 0; i < start; ++i) { - angle += me._computeAngle(i, mode, defaultAngle); - } - for (i = start; i < start + count; i++) { - const arc = arcs[i]; - let startAngle = angle; - let endAngle = angle + me._computeAngle(i, mode, defaultAngle); - let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(dataset.data[i]) : 0; - angle = endAngle; - if (reset) { - if (animationOpts.animateScale) { - outerRadius = 0; - } - if (animationOpts.animateRotate) { - startAngle = endAngle = datasetStartAngle; - } - } - const properties = { - x: centerX, - y: centerY, - innerRadius: 0, - outerRadius, - startAngle, - endAngle, - options: me.resolveDataElementOptions(i, arc.active ? 'active' : mode) - }; - me.updateElement(arc, i, properties, mode); - } - } - countVisibleElements() { - const dataset = this.getDataset(); - const meta = this._cachedMeta; - let count = 0; - meta.data.forEach((element, index) => { - if (!isNaN(dataset.data[index]) && this.chart.getDataVisibility(index)) { - count++; - } - }); - return count; - } - _computeAngle(index, mode, defaultAngle) { - return this.chart.getDataVisibility(index) - ? toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle) - : 0; - } -} -PolarAreaController.id = 'polarArea'; -PolarAreaController.defaults = { - dataElementType: 'arc', - animation: { - animateRotate: true, - animateScale: true - }, - animations: { - numbers: { - type: 'number', - properties: ['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius'] - }, - }, - indexAxis: 'r', - startAngle: 0, -}; -PolarAreaController.overrides = { - aspectRatio: 1, - plugins: { - legend: { - labels: { - generateLabels(chart) { - const data = chart.data; - if (data.labels.length && data.datasets.length) { - const {labels: {pointStyle}} = chart.legend.options; - return data.labels.map((label, i) => { - const meta = chart.getDatasetMeta(0); - const style = meta.controller.getStyle(i); - return { - text: label, - fillStyle: style.backgroundColor, - strokeStyle: style.borderColor, - lineWidth: style.borderWidth, - pointStyle: pointStyle, - hidden: !chart.getDataVisibility(i), - index: i - }; - }); - } - return []; - } - }, - onClick(e, legendItem, legend) { - legend.chart.toggleDataVisibility(legendItem.index); - legend.chart.update(); - } - }, - tooltip: { - callbacks: { - title() { - return ''; - }, - label(context) { - return context.chart.data.labels[context.dataIndex] + ': ' + context.formattedValue; - } - } - } - }, - scales: { - r: { - type: 'radialLinear', - angleLines: { - display: false - }, - beginAtZero: true, - grid: { - circular: true - }, - pointLabels: { - display: false - }, - startAngle: 0 - } - } -}; - -class PieController extends DoughnutController { -} -PieController.id = 'pie'; -PieController.defaults = { - cutout: 0, - rotation: 0, - circumference: 360, - radius: '100%' -}; - -class RadarController extends DatasetController { - getLabelAndValue(index) { - const me = this; - const vScale = me._cachedMeta.vScale; - const parsed = me.getParsed(index); - return { - label: vScale.getLabels()[index], - value: '' + vScale.getLabelForValue(parsed[vScale.axis]) - }; - } - update(mode) { - const me = this; - const meta = me._cachedMeta; - const line = meta.dataset; - const points = meta.data || []; - const labels = meta.iScale.getLabels(); - line.points = points; - if (mode !== 'resize') { - const options = me.resolveDatasetElementOptions(mode); - if (!me.options.showLine) { - options.borderWidth = 0; - } - const properties = { - _loop: true, - _fullLoop: labels.length === points.length, - options - }; - me.updateElement(line, undefined, properties, mode); - } - me.updateElements(points, 0, points.length, mode); - } - updateElements(points, start, count, mode) { - const me = this; - const dataset = me.getDataset(); - const scale = me._cachedMeta.rScale; - const reset = mode === 'reset'; - for (let i = start; i < start + count; i++) { - const point = points[i]; - const options = me.resolveDataElementOptions(i, point.active ? 'active' : mode); - const pointPosition = scale.getPointPositionForValue(i, dataset.data[i]); - const x = reset ? scale.xCenter : pointPosition.x; - const y = reset ? scale.yCenter : pointPosition.y; - const properties = { - x, - y, - angle: pointPosition.angle, - skip: isNaN(x) || isNaN(y), - options - }; - me.updateElement(point, i, properties, mode); - } - } -} -RadarController.id = 'radar'; -RadarController.defaults = { - datasetElementType: 'line', - dataElementType: 'point', - indexAxis: 'r', - showLine: true, - elements: { - line: { - fill: 'start' - } - }, -}; -RadarController.overrides = { - aspectRatio: 1, - scales: { - r: { - type: 'radialLinear', - } - } -}; - -class ScatterController extends LineController { -} -ScatterController.id = 'scatter'; -ScatterController.defaults = { - showLine: false, - fill: false -}; -ScatterController.overrides = { - interaction: { - mode: 'point' - }, - plugins: { - tooltip: { - callbacks: { - title() { - return ''; - }, - label(item) { - return '(' + item.label + ', ' + item.formattedValue + ')'; - } - } - } - }, - scales: { - x: { - type: 'linear' - }, - y: { - type: 'linear' - } - } -}; - -var controllers = /*#__PURE__*/Object.freeze({ -__proto__: null, -BarController: BarController, -BubbleController: BubbleController, -DoughnutController: DoughnutController, -LineController: LineController, -PolarAreaController: PolarAreaController, -PieController: PieController, -RadarController: RadarController, -ScatterController: ScatterController -}); - -function clipArc(ctx, element, endAngle) { - const {startAngle, pixelMargin, x, y, outerRadius, innerRadius} = element; - let angleMargin = pixelMargin / outerRadius; - ctx.beginPath(); - ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin); - if (innerRadius > pixelMargin) { - angleMargin = pixelMargin / innerRadius; - ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true); - } else { - ctx.arc(x, y, pixelMargin, endAngle + HALF_PI, startAngle - HALF_PI); - } - ctx.closePath(); - ctx.clip(); -} -function toRadiusCorners(value) { - return _readValueToProps(value, ['outerStart', 'outerEnd', 'innerStart', 'innerEnd']); -} -function parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) { - const o = toRadiusCorners(arc.options.borderRadius); - const halfThickness = (outerRadius - innerRadius) / 2; - const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2); - const computeOuterLimit = (val) => { - const outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2; - return _limitValue(val, 0, Math.min(halfThickness, outerArcLimit)); - }; - return { - outerStart: computeOuterLimit(o.outerStart), - outerEnd: computeOuterLimit(o.outerEnd), - innerStart: _limitValue(o.innerStart, 0, innerLimit), - innerEnd: _limitValue(o.innerEnd, 0, innerLimit), - }; -} -function rThetaToXY(r, theta, x, y) { - return { - x: x + r * Math.cos(theta), - y: y + r * Math.sin(theta), - }; -} -function pathArc(ctx, element, offset, spacing, end) { - const {x, y, startAngle: start, pixelMargin, innerRadius: innerR} = element; - const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0); - const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0; - let spacingOffset = 0; - const alpha = end - start; - if (spacing) { - const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0; - const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0; - const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2; - const adjustedAngle = avNogSpacingRadius !== 0 ? (alpha * avNogSpacingRadius) / (avNogSpacingRadius + spacing) : alpha; - spacingOffset = (alpha - adjustedAngle) / 2; - } - const beta = Math.max(0.001, alpha * outerRadius - offset / PI) / outerRadius; - const angleOffset = (alpha - beta) / 2; - const startAngle = start + angleOffset + spacingOffset; - const endAngle = end - angleOffset - spacingOffset; - const {outerStart, outerEnd, innerStart, innerEnd} = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle); - const outerStartAdjustedRadius = outerRadius - outerStart; - const outerEndAdjustedRadius = outerRadius - outerEnd; - const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius; - const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius; - const innerStartAdjustedRadius = innerRadius + innerStart; - const innerEndAdjustedRadius = innerRadius + innerEnd; - const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius; - const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius; - ctx.beginPath(); - ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerEndAdjustedAngle); - if (outerEnd > 0) { - const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y); - ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI); - } - const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y); - ctx.lineTo(p4.x, p4.y); - if (innerEnd > 0) { - const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y); - ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI); - } - ctx.arc(x, y, innerRadius, endAngle - (innerEnd / innerRadius), startAngle + (innerStart / innerRadius), true); - if (innerStart > 0) { - const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y); - ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI); - } - const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y); - ctx.lineTo(p8.x, p8.y); - if (outerStart > 0) { - const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y); - ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle); - } - ctx.closePath(); -} -function drawArc(ctx, element, offset, spacing) { - const {fullCircles, startAngle, circumference} = element; - let endAngle = element.endAngle; - if (fullCircles) { - pathArc(ctx, element, offset, spacing, startAngle + TAU); - for (let i = 0; i < fullCircles; ++i) { - ctx.fill(); - } - if (!isNaN(circumference)) { - endAngle = startAngle + circumference % TAU; - if (circumference % TAU === 0) { - endAngle += TAU; - } - } - } - pathArc(ctx, element, offset, spacing, endAngle); - ctx.fill(); - return endAngle; -} -function drawFullCircleBorders(ctx, element, inner) { - const {x, y, startAngle, pixelMargin, fullCircles} = element; - const outerRadius = Math.max(element.outerRadius - pixelMargin, 0); - const innerRadius = element.innerRadius + pixelMargin; - let i; - if (inner) { - clipArc(ctx, element, startAngle + TAU); - } - ctx.beginPath(); - ctx.arc(x, y, innerRadius, startAngle + TAU, startAngle, true); - for (i = 0; i < fullCircles; ++i) { - ctx.stroke(); - } - ctx.beginPath(); - ctx.arc(x, y, outerRadius, startAngle, startAngle + TAU); - for (i = 0; i < fullCircles; ++i) { - ctx.stroke(); - } -} -function drawBorder(ctx, element, offset, spacing, endAngle) { - const {options} = element; - const inner = options.borderAlign === 'inner'; - if (!options.borderWidth) { - return; - } - if (inner) { - ctx.lineWidth = options.borderWidth * 2; - ctx.lineJoin = 'round'; - } else { - ctx.lineWidth = options.borderWidth; - ctx.lineJoin = 'bevel'; - } - if (element.fullCircles) { - drawFullCircleBorders(ctx, element, inner); - } - if (inner) { - clipArc(ctx, element, endAngle); - } - pathArc(ctx, element, offset, spacing, endAngle); - ctx.stroke(); -} -class ArcElement extends Element { - constructor(cfg) { - super(); - this.options = undefined; - this.circumference = undefined; - this.startAngle = undefined; - this.endAngle = undefined; - this.innerRadius = undefined; - this.outerRadius = undefined; - this.pixelMargin = 0; - this.fullCircles = 0; - if (cfg) { - Object.assign(this, cfg); - } - } - inRange(chartX, chartY, useFinalPosition) { - const point = this.getProps(['x', 'y'], useFinalPosition); - const {angle, distance} = getAngleFromPoint(point, {x: chartX, y: chartY}); - const {startAngle, endAngle, innerRadius, outerRadius, circumference} = this.getProps([ - 'startAngle', - 'endAngle', - 'innerRadius', - 'outerRadius', - 'circumference' - ], useFinalPosition); - const rAdjust = this.options.spacing / 2; - const betweenAngles = circumference >= TAU || _angleBetween(angle, startAngle, endAngle); - const withinRadius = (distance >= innerRadius + rAdjust && distance <= outerRadius + rAdjust); - return (betweenAngles && withinRadius); - } - getCenterPoint(useFinalPosition) { - const {x, y, startAngle, endAngle, innerRadius, outerRadius} = this.getProps([ - 'x', - 'y', - 'startAngle', - 'endAngle', - 'innerRadius', - 'outerRadius', - 'circumference', - ], useFinalPosition); - const {offset, spacing} = this.options; - const halfAngle = (startAngle + endAngle) / 2; - const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2; - return { - x: x + Math.cos(halfAngle) * halfRadius, - y: y + Math.sin(halfAngle) * halfRadius - }; - } - tooltipPosition(useFinalPosition) { - return this.getCenterPoint(useFinalPosition); - } - draw(ctx) { - const me = this; - const {options, circumference} = me; - const offset = (options.offset || 0) / 2; - const spacing = (options.spacing || 0) / 2; - me.pixelMargin = (options.borderAlign === 'inner') ? 0.33 : 0; - me.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0; - if (circumference === 0 || me.innerRadius < 0 || me.outerRadius < 0) { - return; - } - ctx.save(); - let radiusOffset = 0; - if (offset) { - radiusOffset = offset / 2; - const halfAngle = (me.startAngle + me.endAngle) / 2; - ctx.translate(Math.cos(halfAngle) * radiusOffset, Math.sin(halfAngle) * radiusOffset); - if (me.circumference >= PI) { - radiusOffset = offset; - } - } - ctx.fillStyle = options.backgroundColor; - ctx.strokeStyle = options.borderColor; - const endAngle = drawArc(ctx, me, radiusOffset, spacing); - drawBorder(ctx, me, radiusOffset, spacing, endAngle); - ctx.restore(); - } -} -ArcElement.id = 'arc'; -ArcElement.defaults = { - borderAlign: 'center', - borderColor: '#fff', - borderRadius: 0, - borderWidth: 2, - offset: 0, - spacing: 0, - angle: undefined, -}; -ArcElement.defaultRoutes = { - backgroundColor: 'backgroundColor' -}; - -function setStyle(ctx, options, style = options) { - ctx.lineCap = valueOrDefault(style.borderCapStyle, options.borderCapStyle); - ctx.setLineDash(valueOrDefault(style.borderDash, options.borderDash)); - ctx.lineDashOffset = valueOrDefault(style.borderDashOffset, options.borderDashOffset); - ctx.lineJoin = valueOrDefault(style.borderJoinStyle, options.borderJoinStyle); - ctx.lineWidth = valueOrDefault(style.borderWidth, options.borderWidth); - ctx.strokeStyle = valueOrDefault(style.borderColor, options.borderColor); -} -function lineTo(ctx, previous, target) { - ctx.lineTo(target.x, target.y); -} -function getLineMethod(options) { - if (options.stepped) { - return _steppedLineTo; - } - if (options.tension || options.cubicInterpolationMode === 'monotone') { - return _bezierCurveTo; - } - return lineTo; -} -function pathVars(points, segment, params = {}) { - const count = points.length; - const {start: paramsStart = 0, end: paramsEnd = count - 1} = params; - const {start: segmentStart, end: segmentEnd} = segment; - const start = Math.max(paramsStart, segmentStart); - const end = Math.min(paramsEnd, segmentEnd); - const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd; - return { - count, - start, - loop: segment.loop, - ilen: end < start && !outside ? count + end - start : end - start - }; -} -function pathSegment(ctx, line, segment, params) { - const {points, options} = line; - const {count, start, loop, ilen} = pathVars(points, segment, params); - const lineMethod = getLineMethod(options); - let {move = true, reverse} = params || {}; - let i, point, prev; - for (i = 0; i <= ilen; ++i) { - point = points[(start + (reverse ? ilen - i : i)) % count]; - if (point.skip) { - continue; - } else if (move) { - ctx.moveTo(point.x, point.y); - move = false; - } else { - lineMethod(ctx, prev, point, reverse, options.stepped); - } - prev = point; - } - if (loop) { - point = points[(start + (reverse ? ilen : 0)) % count]; - lineMethod(ctx, prev, point, reverse, options.stepped); - } - return !!loop; -} -function fastPathSegment(ctx, line, segment, params) { - const points = line.points; - const {count, start, ilen} = pathVars(points, segment, params); - const {move = true, reverse} = params || {}; - let avgX = 0; - let countX = 0; - let i, point, prevX, minY, maxY, lastY; - const pointIndex = (index) => (start + (reverse ? ilen - index : index)) % count; - const drawX = () => { - if (minY !== maxY) { - ctx.lineTo(avgX, maxY); - ctx.lineTo(avgX, minY); - ctx.lineTo(avgX, lastY); - } - }; - if (move) { - point = points[pointIndex(0)]; - ctx.moveTo(point.x, point.y); - } - for (i = 0; i <= ilen; ++i) { - point = points[pointIndex(i)]; - if (point.skip) { - continue; - } - const x = point.x; - const y = point.y; - const truncX = x | 0; - if (truncX === prevX) { - if (y < minY) { - minY = y; - } else if (y > maxY) { - maxY = y; - } - avgX = (countX * avgX + x) / ++countX; - } else { - drawX(); - ctx.lineTo(x, y); - prevX = truncX; - countX = 0; - minY = maxY = y; - } - lastY = y; - } - drawX(); -} -function _getSegmentMethod(line) { - const opts = line.options; - const borderDash = opts.borderDash && opts.borderDash.length; - const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash; - return useFastPath ? fastPathSegment : pathSegment; -} -function _getInterpolationMethod(options) { - if (options.stepped) { - return _steppedInterpolation; - } - if (options.tension || options.cubicInterpolationMode === 'monotone') { - return _bezierInterpolation; - } - return _pointInLine; -} -function strokePathWithCache(ctx, line, start, count) { - let path = line._path; - if (!path) { - path = line._path = new Path2D(); - if (line.path(path, start, count)) { - path.closePath(); - } - } - setStyle(ctx, line.options); - ctx.stroke(path); -} -function strokePathDirect(ctx, line, start, count) { - const {segments, options} = line; - const segmentMethod = _getSegmentMethod(line); - for (const segment of segments) { - setStyle(ctx, options, segment.style); - ctx.beginPath(); - if (segmentMethod(ctx, line, segment, {start, end: start + count - 1})) { - ctx.closePath(); - } - ctx.stroke(); - } -} -const usePath2D = typeof Path2D === 'function'; -function draw(ctx, line, start, count) { - if (usePath2D && line.segments.length === 1) { - strokePathWithCache(ctx, line, start, count); - } else { - strokePathDirect(ctx, line, start, count); - } -} -class LineElement extends Element { - constructor(cfg) { - super(); - this.animated = true; - this.options = undefined; - this._loop = undefined; - this._fullLoop = undefined; - this._path = undefined; - this._points = undefined; - this._segments = undefined; - this._decimated = false; - this._pointsUpdated = false; - this._datasetIndex = undefined; - if (cfg) { - Object.assign(this, cfg); - } - } - updateControlPoints(chartArea, indexAxis) { - const me = this; - const options = me.options; - if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !me._pointsUpdated) { - const loop = options.spanGaps ? me._loop : me._fullLoop; - _updateBezierControlPoints(me._points, options, chartArea, loop, indexAxis); - me._pointsUpdated = true; - } - } - set points(points) { - const me = this; - me._points = points; - delete me._segments; - delete me._path; - me._pointsUpdated = false; - } - get points() { - return this._points; - } - get segments() { - return this._segments || (this._segments = _computeSegments(this, this.options.segment)); - } - first() { - const segments = this.segments; - const points = this.points; - return segments.length && points[segments[0].start]; - } - last() { - const segments = this.segments; - const points = this.points; - const count = segments.length; - return count && points[segments[count - 1].end]; - } - interpolate(point, property) { - const me = this; - const options = me.options; - const value = point[property]; - const points = me.points; - const segments = _boundSegments(me, {property, start: value, end: value}); - if (!segments.length) { - return; - } - const result = []; - const _interpolate = _getInterpolationMethod(options); - let i, ilen; - for (i = 0, ilen = segments.length; i < ilen; ++i) { - const {start, end} = segments[i]; - const p1 = points[start]; - const p2 = points[end]; - if (p1 === p2) { - result.push(p1); - continue; - } - const t = Math.abs((value - p1[property]) / (p2[property] - p1[property])); - const interpolated = _interpolate(p1, p2, t, options.stepped); - interpolated[property] = point[property]; - result.push(interpolated); - } - return result.length === 1 ? result[0] : result; - } - pathSegment(ctx, segment, params) { - const segmentMethod = _getSegmentMethod(this); - return segmentMethod(ctx, this, segment, params); - } - path(ctx, start, count) { - const me = this; - const segments = me.segments; - const segmentMethod = _getSegmentMethod(me); - let loop = me._loop; - start = start || 0; - count = count || (me.points.length - start); - for (const segment of segments) { - loop &= segmentMethod(ctx, me, segment, {start, end: start + count - 1}); - } - return !!loop; - } - draw(ctx, chartArea, start, count) { - const me = this; - const options = me.options || {}; - const points = me.points || []; - if (!points.length || !options.borderWidth) { - return; - } - ctx.save(); - draw(ctx, me, start, count); - ctx.restore(); - if (me.animated) { - me._pointsUpdated = false; - me._path = undefined; - } - } -} -LineElement.id = 'line'; -LineElement.defaults = { - borderCapStyle: 'butt', - borderDash: [], - borderDashOffset: 0, - borderJoinStyle: 'miter', - borderWidth: 3, - capBezierPoints: true, - cubicInterpolationMode: 'default', - fill: false, - spanGaps: false, - stepped: false, - tension: 0, -}; -LineElement.defaultRoutes = { - backgroundColor: 'backgroundColor', - borderColor: 'borderColor' -}; -LineElement.descriptors = { - _scriptable: true, - _indexable: (name) => name !== 'borderDash' && name !== 'fill', -}; - -function inRange$1(el, pos, axis, useFinalPosition) { - const options = el.options; - const {[axis]: value} = el.getProps([axis], useFinalPosition); - return (Math.abs(pos - value) < options.radius + options.hitRadius); -} -class PointElement extends Element { - constructor(cfg) { - super(); - this.options = undefined; - this.parsed = undefined; - this.skip = undefined; - this.stop = undefined; - if (cfg) { - Object.assign(this, cfg); - } - } - inRange(mouseX, mouseY, useFinalPosition) { - const options = this.options; - const {x, y} = this.getProps(['x', 'y'], useFinalPosition); - return ((Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2)) < Math.pow(options.hitRadius + options.radius, 2)); - } - inXRange(mouseX, useFinalPosition) { - return inRange$1(this, mouseX, 'x', useFinalPosition); - } - inYRange(mouseY, useFinalPosition) { - return inRange$1(this, mouseY, 'y', useFinalPosition); - } - getCenterPoint(useFinalPosition) { - const {x, y} = this.getProps(['x', 'y'], useFinalPosition); - return {x, y}; - } - size(options) { - options = options || this.options || {}; - let radius = options.radius || 0; - radius = Math.max(radius, radius && options.hoverRadius || 0); - const borderWidth = radius && options.borderWidth || 0; - return (radius + borderWidth) * 2; - } - draw(ctx, area) { - const me = this; - const options = me.options; - if (me.skip || options.radius < 0.1 || !_isPointInArea(me, area, me.size(options) / 2)) { - return; - } - ctx.strokeStyle = options.borderColor; - ctx.lineWidth = options.borderWidth; - ctx.fillStyle = options.backgroundColor; - drawPoint(ctx, options, me.x, me.y); - } - getRange() { - const options = this.options || {}; - return options.radius + options.hitRadius; - } -} -PointElement.id = 'point'; -PointElement.defaults = { - borderWidth: 1, - hitRadius: 1, - hoverBorderWidth: 1, - hoverRadius: 4, - pointStyle: 'circle', - radius: 3, - rotation: 0 -}; -PointElement.defaultRoutes = { - backgroundColor: 'backgroundColor', - borderColor: 'borderColor' -}; - -function getBarBounds(bar, useFinalPosition) { - const {x, y, base, width, height} = bar.getProps(['x', 'y', 'base', 'width', 'height'], useFinalPosition); - let left, right, top, bottom, half; - if (bar.horizontal) { - half = height / 2; - left = Math.min(x, base); - right = Math.max(x, base); - top = y - half; - bottom = y + half; - } else { - half = width / 2; - left = x - half; - right = x + half; - top = Math.min(y, base); - bottom = Math.max(y, base); - } - return {left, top, right, bottom}; -} -function skipOrLimit(skip, value, min, max) { - return skip ? 0 : _limitValue(value, min, max); -} -function parseBorderWidth(bar, maxW, maxH) { - const value = bar.options.borderWidth; - const skip = bar.borderSkipped; - const o = toTRBL(value); - return { - t: skipOrLimit(skip.top, o.top, 0, maxH), - r: skipOrLimit(skip.right, o.right, 0, maxW), - b: skipOrLimit(skip.bottom, o.bottom, 0, maxH), - l: skipOrLimit(skip.left, o.left, 0, maxW) - }; -} -function parseBorderRadius(bar, maxW, maxH) { - const {enableBorderRadius} = bar.getProps(['enableBorderRadius']); - const value = bar.options.borderRadius; - const o = toTRBLCorners(value); - const maxR = Math.min(maxW, maxH); - const skip = bar.borderSkipped; - const enableBorder = enableBorderRadius || isObject(value); - return { - topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR), - topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR), - bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR), - bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR) - }; -} -function boundingRects(bar) { - const bounds = getBarBounds(bar); - const width = bounds.right - bounds.left; - const height = bounds.bottom - bounds.top; - const border = parseBorderWidth(bar, width / 2, height / 2); - const radius = parseBorderRadius(bar, width / 2, height / 2); - return { - outer: { - x: bounds.left, - y: bounds.top, - w: width, - h: height, - radius - }, - inner: { - x: bounds.left + border.l, - y: bounds.top + border.t, - w: width - border.l - border.r, - h: height - border.t - border.b, - radius: { - topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)), - topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)), - bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)), - bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r)), - } - } - }; -} -function inRange(bar, x, y, useFinalPosition) { - const skipX = x === null; - const skipY = y === null; - const skipBoth = skipX && skipY; - const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition); - return bounds - && (skipX || x >= bounds.left && x <= bounds.right) - && (skipY || y >= bounds.top && y <= bounds.bottom); -} -function hasRadius(radius) { - return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight; -} -function addNormalRectPath(ctx, rect) { - ctx.rect(rect.x, rect.y, rect.w, rect.h); -} -function inflateRect(rect, amount, refRect = {}) { - const x = rect.x !== refRect.x ? -amount : 0; - const y = rect.y !== refRect.y ? -amount : 0; - const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x; - const h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y; - return { - x: rect.x + x, - y: rect.y + y, - w: rect.w + w, - h: rect.h + h, - radius: rect.radius - }; -} -class BarElement extends Element { - constructor(cfg) { - super(); - this.options = undefined; - this.horizontal = undefined; - this.base = undefined; - this.width = undefined; - this.height = undefined; - if (cfg) { - Object.assign(this, cfg); - } - } - draw(ctx) { - const options = this.options; - const {inner, outer} = boundingRects(this); - const addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath; - const inflateAmount = 0.33; - ctx.save(); - if (outer.w !== inner.w || outer.h !== inner.h) { - ctx.beginPath(); - addRectPath(ctx, inflateRect(outer, inflateAmount, inner)); - ctx.clip(); - addRectPath(ctx, inflateRect(inner, -inflateAmount, outer)); - ctx.fillStyle = options.borderColor; - ctx.fill('evenodd'); - } - ctx.beginPath(); - addRectPath(ctx, inflateRect(inner, inflateAmount, outer)); - ctx.fillStyle = options.backgroundColor; - ctx.fill(); - ctx.restore(); - } - inRange(mouseX, mouseY, useFinalPosition) { - return inRange(this, mouseX, mouseY, useFinalPosition); - } - inXRange(mouseX, useFinalPosition) { - return inRange(this, mouseX, null, useFinalPosition); - } - inYRange(mouseY, useFinalPosition) { - return inRange(this, null, mouseY, useFinalPosition); - } - getCenterPoint(useFinalPosition) { - const {x, y, base, horizontal} = this.getProps(['x', 'y', 'base', 'horizontal'], useFinalPosition); - return { - x: horizontal ? (x + base) / 2 : x, - y: horizontal ? y : (y + base) / 2 - }; - } - getRange(axis) { - return axis === 'x' ? this.width / 2 : this.height / 2; - } -} -BarElement.id = 'bar'; -BarElement.defaults = { - borderSkipped: 'start', - borderWidth: 0, - borderRadius: 0, - enableBorderRadius: true, - pointStyle: undefined -}; -BarElement.defaultRoutes = { - backgroundColor: 'backgroundColor', - borderColor: 'borderColor' -}; - -var elements = /*#__PURE__*/Object.freeze({ -__proto__: null, -ArcElement: ArcElement, -LineElement: LineElement, -PointElement: PointElement, -BarElement: BarElement -}); - -function lttbDecimation(data, start, count, availableWidth, options) { - const samples = options.samples || availableWidth; - if (samples >= count) { - return data.slice(start, start + count); - } - const decimated = []; - const bucketWidth = (count - 2) / (samples - 2); - let sampledIndex = 0; - const endIndex = start + count - 1; - let a = start; - let i, maxAreaPoint, maxArea, area, nextA; - decimated[sampledIndex++] = data[a]; - for (i = 0; i < samples - 2; i++) { - let avgX = 0; - let avgY = 0; - let j; - const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start; - const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start; - const avgRangeLength = avgRangeEnd - avgRangeStart; - for (j = avgRangeStart; j < avgRangeEnd; j++) { - avgX += data[j].x; - avgY += data[j].y; - } - avgX /= avgRangeLength; - avgY /= avgRangeLength; - const rangeOffs = Math.floor(i * bucketWidth) + 1 + start; - const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start; - const {x: pointAx, y: pointAy} = data[a]; - maxArea = area = -1; - for (j = rangeOffs; j < rangeTo; j++) { - area = 0.5 * Math.abs( - (pointAx - avgX) * (data[j].y - pointAy) - - (pointAx - data[j].x) * (avgY - pointAy) - ); - if (area > maxArea) { - maxArea = area; - maxAreaPoint = data[j]; - nextA = j; - } - } - decimated[sampledIndex++] = maxAreaPoint; - a = nextA; - } - decimated[sampledIndex++] = data[endIndex]; - return decimated; -} -function minMaxDecimation(data, start, count, availableWidth) { - let avgX = 0; - let countX = 0; - let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY; - const decimated = []; - const endIndex = start + count - 1; - const xMin = data[start].x; - const xMax = data[endIndex].x; - const dx = xMax - xMin; - for (i = start; i < start + count; ++i) { - point = data[i]; - x = (point.x - xMin) / dx * availableWidth; - y = point.y; - const truncX = x | 0; - if (truncX === prevX) { - if (y < minY) { - minY = y; - minIndex = i; - } else if (y > maxY) { - maxY = y; - maxIndex = i; - } - avgX = (countX * avgX + point.x) / ++countX; - } else { - const lastIndex = i - 1; - if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) { - const intermediateIndex1 = Math.min(minIndex, maxIndex); - const intermediateIndex2 = Math.max(minIndex, maxIndex); - if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) { - decimated.push({ - ...data[intermediateIndex1], - x: avgX, - }); - } - if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) { - decimated.push({ - ...data[intermediateIndex2], - x: avgX - }); - } - } - if (i > 0 && lastIndex !== startIndex) { - decimated.push(data[lastIndex]); - } - decimated.push(point); - prevX = truncX; - countX = 0; - minY = maxY = y; - minIndex = maxIndex = startIndex = i; - } - } - return decimated; -} -function cleanDecimatedDataset(dataset) { - if (dataset._decimated) { - const data = dataset._data; - delete dataset._decimated; - delete dataset._data; - Object.defineProperty(dataset, 'data', {value: data}); - } -} -function cleanDecimatedData(chart) { - chart.data.datasets.forEach((dataset) => { - cleanDecimatedDataset(dataset); - }); -} -function getStartAndCountOfVisiblePointsSimplified(meta, points) { - const pointCount = points.length; - let start = 0; - let count; - const {iScale} = meta; - const {min, max, minDefined, maxDefined} = iScale.getUserBounds(); - if (minDefined) { - start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1); - } - if (maxDefined) { - count = _limitValue(_lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start; - } else { - count = pointCount - start; - } - return {start, count}; -} -var plugin_decimation = { - id: 'decimation', - defaults: { - algorithm: 'min-max', - enabled: false, - }, - beforeElementsUpdate: (chart, args, options) => { - if (!options.enabled) { - cleanDecimatedData(chart); - return; - } - const availableWidth = chart.width; - chart.data.datasets.forEach((dataset, datasetIndex) => { - const {_data, indexAxis} = dataset; - const meta = chart.getDatasetMeta(datasetIndex); - const data = _data || dataset.data; - if (resolve([indexAxis, chart.options.indexAxis]) === 'y') { - return; - } - if (meta.type !== 'line') { - return; - } - const xAxis = chart.scales[meta.xAxisID]; - if (xAxis.type !== 'linear' && xAxis.type !== 'time') { - return; - } - if (chart.options.parsing) { - return; - } - let {start, count} = getStartAndCountOfVisiblePointsSimplified(meta, data); - const threshold = options.threshold || 4 * availableWidth; - if (count <= threshold) { - cleanDecimatedDataset(dataset); - return; - } - if (isNullOrUndef(_data)) { - dataset._data = data; - delete dataset.data; - Object.defineProperty(dataset, 'data', { - configurable: true, - enumerable: true, - get: function() { - return this._decimated; - }, - set: function(d) { - this._data = d; - } - }); - } - let decimated; - switch (options.algorithm) { - case 'lttb': - decimated = lttbDecimation(data, start, count, availableWidth, options); - break; - case 'min-max': - decimated = minMaxDecimation(data, start, count, availableWidth); - break; - default: - throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`); - } - dataset._decimated = decimated; - }); - }, - destroy(chart) { - cleanDecimatedData(chart); - } -}; - -function getLineByIndex(chart, index) { - const meta = chart.getDatasetMeta(index); - const visible = meta && chart.isDatasetVisible(index); - return visible ? meta.dataset : null; -} -function parseFillOption(line) { - const options = line.options; - const fillOption = options.fill; - let fill = valueOrDefault(fillOption && fillOption.target, fillOption); - if (fill === undefined) { - fill = !!options.backgroundColor; - } - if (fill === false || fill === null) { - return false; - } - if (fill === true) { - return 'origin'; - } - return fill; -} -function decodeFill(line, index, count) { - const fill = parseFillOption(line); - if (isObject(fill)) { - return isNaN(fill.value) ? false : fill; - } - let target = parseFloat(fill); - if (isNumberFinite(target) && Math.floor(target) === target) { - if (fill[0] === '-' || fill[0] === '+') { - target = index + target; - } - if (target === index || target < 0 || target >= count) { - return false; - } - return target; - } - return ['origin', 'start', 'end', 'stack', 'shape'].indexOf(fill) >= 0 && fill; -} -function computeLinearBoundary(source) { - const {scale = {}, fill} = source; - let target = null; - let horizontal; - if (fill === 'start') { - target = scale.bottom; - } else if (fill === 'end') { - target = scale.top; - } else if (isObject(fill)) { - target = scale.getPixelForValue(fill.value); - } else if (scale.getBasePixel) { - target = scale.getBasePixel(); - } - if (isNumberFinite(target)) { - horizontal = scale.isHorizontal(); - return { - x: horizontal ? target : null, - y: horizontal ? null : target - }; - } - return null; -} -class simpleArc { - constructor(opts) { - this.x = opts.x; - this.y = opts.y; - this.radius = opts.radius; - } - pathSegment(ctx, bounds, opts) { - const {x, y, radius} = this; - bounds = bounds || {start: 0, end: TAU}; - ctx.arc(x, y, radius, bounds.end, bounds.start, true); - return !opts.bounds; - } - interpolate(point) { - const {x, y, radius} = this; - const angle = point.angle; - return { - x: x + Math.cos(angle) * radius, - y: y + Math.sin(angle) * radius, - angle - }; - } -} -function computeCircularBoundary(source) { - const {scale, fill} = source; - const options = scale.options; - const length = scale.getLabels().length; - const target = []; - const start = options.reverse ? scale.max : scale.min; - const end = options.reverse ? scale.min : scale.max; - let i, center, value; - if (fill === 'start') { - value = start; - } else if (fill === 'end') { - value = end; - } else if (isObject(fill)) { - value = fill.value; - } else { - value = scale.getBaseValue(); - } - if (options.grid.circular) { - center = scale.getPointPositionForValue(0, start); - return new simpleArc({ - x: center.x, - y: center.y, - radius: scale.getDistanceFromCenterForValue(value) - }); - } - for (i = 0; i < length; ++i) { - target.push(scale.getPointPositionForValue(i, value)); - } - return target; -} -function computeBoundary(source) { - const scale = source.scale || {}; - if (scale.getPointPositionForValue) { - return computeCircularBoundary(source); - } - return computeLinearBoundary(source); -} -function findSegmentEnd(start, end, points) { - for (;end > start; end--) { - const point = points[end]; - if (!isNaN(point.x) && !isNaN(point.y)) { - break; - } - } - return end; -} -function pointsFromSegments(boundary, line) { - const {x = null, y = null} = boundary || {}; - const linePoints = line.points; - const points = []; - line.segments.forEach(({start, end}) => { - end = findSegmentEnd(start, end, linePoints); - const first = linePoints[start]; - const last = linePoints[end]; - if (y !== null) { - points.push({x: first.x, y}); - points.push({x: last.x, y}); - } else if (x !== null) { - points.push({x, y: first.y}); - points.push({x, y: last.y}); - } - }); - return points; -} -function buildStackLine(source) { - const {chart, scale, index, line} = source; - const points = []; - const segments = line.segments; - const sourcePoints = line.points; - const linesBelow = getLinesBelow(chart, index); - linesBelow.push(createBoundaryLine({x: null, y: scale.bottom}, line)); - for (let i = 0; i < segments.length; i++) { - const segment = segments[i]; - for (let j = segment.start; j <= segment.end; j++) { - addPointsBelow(points, sourcePoints[j], linesBelow); - } - } - return new LineElement({points, options: {}}); -} -const isLineAndNotInHideAnimation = (meta) => meta.type === 'line' && !meta.hidden; -function getLinesBelow(chart, index) { - const below = []; - const metas = chart.getSortedVisibleDatasetMetas(); - for (let i = 0; i < metas.length; i++) { - const meta = metas[i]; - if (meta.index === index) { - break; - } - if (isLineAndNotInHideAnimation(meta)) { - below.unshift(meta.dataset); - } - } - return below; -} -function addPointsBelow(points, sourcePoint, linesBelow) { - const postponed = []; - for (let j = 0; j < linesBelow.length; j++) { - const line = linesBelow[j]; - const {first, last, point} = findPoint(line, sourcePoint, 'x'); - if (!point || (first && last)) { - continue; - } - if (first) { - postponed.unshift(point); - } else { - points.push(point); - if (!last) { - break; - } - } - } - points.push(...postponed); -} -function findPoint(line, sourcePoint, property) { - const point = line.interpolate(sourcePoint, property); - if (!point) { - return {}; - } - const pointValue = point[property]; - const segments = line.segments; - const linePoints = line.points; - let first = false; - let last = false; - for (let i = 0; i < segments.length; i++) { - const segment = segments[i]; - const firstValue = linePoints[segment.start][property]; - const lastValue = linePoints[segment.end][property]; - if (pointValue >= firstValue && pointValue <= lastValue) { - first = pointValue === firstValue; - last = pointValue === lastValue; - break; - } - } - return {first, last, point}; -} -function getTarget(source) { - const {chart, fill, line} = source; - if (isNumberFinite(fill)) { - return getLineByIndex(chart, fill); - } - if (fill === 'stack') { - return buildStackLine(source); - } - if (fill === 'shape') { - return true; - } - const boundary = computeBoundary(source); - if (boundary instanceof simpleArc) { - return boundary; - } - return createBoundaryLine(boundary, line); -} -function createBoundaryLine(boundary, line) { - let points = []; - let _loop = false; - if (isArray(boundary)) { - _loop = true; - points = boundary; - } else { - points = pointsFromSegments(boundary, line); - } - return points.length ? new LineElement({ - points, - options: {tension: 0}, - _loop, - _fullLoop: _loop - }) : null; -} -function resolveTarget(sources, index, propagate) { - const source = sources[index]; - let fill = source.fill; - const visited = [index]; - let target; - if (!propagate) { - return fill; - } - while (fill !== false && visited.indexOf(fill) === -1) { - if (!isNumberFinite(fill)) { - return fill; - } - target = sources[fill]; - if (!target) { - return false; - } - if (target.visible) { - return fill; - } - visited.push(fill); - fill = target.fill; - } - return false; -} -function _clip(ctx, target, clipY) { - ctx.beginPath(); - target.path(ctx); - ctx.lineTo(target.last().x, clipY); - ctx.lineTo(target.first().x, clipY); - ctx.closePath(); - ctx.clip(); -} -function getBounds(property, first, last, loop) { - if (loop) { - return; - } - let start = first[property]; - let end = last[property]; - if (property === 'angle') { - start = _normalizeAngle(start); - end = _normalizeAngle(end); - } - return {property, start, end}; -} -function _getEdge(a, b, prop, fn) { - if (a && b) { - return fn(a[prop], b[prop]); - } - return a ? a[prop] : b ? b[prop] : 0; -} -function _segments(line, target, property) { - const segments = line.segments; - const points = line.points; - const tpoints = target.points; - const parts = []; - for (const segment of segments) { - let {start, end} = segment; - end = findSegmentEnd(start, end, points); - const bounds = getBounds(property, points[start], points[end], segment.loop); - if (!target.segments) { - parts.push({ - source: segment, - target: bounds, - start: points[start], - end: points[end] - }); - continue; - } - const targetSegments = _boundSegments(target, bounds); - for (const tgt of targetSegments) { - const subBounds = getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop); - const fillSources = _boundSegment(segment, points, subBounds); - for (const fillSource of fillSources) { - parts.push({ - source: fillSource, - target: tgt, - start: { - [property]: _getEdge(bounds, subBounds, 'start', Math.max) - }, - end: { - [property]: _getEdge(bounds, subBounds, 'end', Math.min) - } - }); - } - } - } - return parts; -} -function clipBounds(ctx, scale, bounds) { - const {top, bottom} = scale.chart.chartArea; - const {property, start, end} = bounds || {}; - if (property === 'x') { - ctx.beginPath(); - ctx.rect(start, top, end - start, bottom - top); - ctx.clip(); - } -} -function interpolatedLineTo(ctx, target, point, property) { - const interpolatedPoint = target.interpolate(point, property); - if (interpolatedPoint) { - ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y); - } -} -function _fill(ctx, cfg) { - const {line, target, property, color, scale} = cfg; - const segments = _segments(line, target, property); - for (const {source: src, target: tgt, start, end} of segments) { - const {style: {backgroundColor = color} = {}} = src; - const notShape = target !== true; - ctx.save(); - ctx.fillStyle = backgroundColor; - clipBounds(ctx, scale, notShape && getBounds(property, start, end)); - ctx.beginPath(); - const lineLoop = !!line.pathSegment(ctx, src); - let loop; - if (notShape) { - if (lineLoop) { - ctx.closePath(); - } else { - interpolatedLineTo(ctx, target, end, property); - } - const targetLoop = !!target.pathSegment(ctx, tgt, {move: lineLoop, reverse: true}); - loop = lineLoop && targetLoop; - if (!loop) { - interpolatedLineTo(ctx, target, start, property); - } - } - ctx.closePath(); - ctx.fill(loop ? 'evenodd' : 'nonzero'); - ctx.restore(); - } -} -function doFill(ctx, cfg) { - const {line, target, above, below, area, scale} = cfg; - const property = line._loop ? 'angle' : cfg.axis; - ctx.save(); - if (property === 'x' && below !== above) { - _clip(ctx, target, area.top); - _fill(ctx, {line, target, color: above, scale, property}); - ctx.restore(); - ctx.save(); - _clip(ctx, target, area.bottom); - } - _fill(ctx, {line, target, color: below, scale, property}); - ctx.restore(); -} -function drawfill(ctx, source, area) { - const target = getTarget(source); - const {line, scale, axis} = source; - const lineOpts = line.options; - const fillOption = lineOpts.fill; - const color = lineOpts.backgroundColor; - const {above = color, below = color} = fillOption || {}; - if (target && line.points.length) { - clipArea(ctx, area); - doFill(ctx, {line, target, above, below, area, scale, axis}); - unclipArea(ctx); - } -} -var plugin_filler = { - id: 'filler', - afterDatasetsUpdate(chart, _args, options) { - const count = (chart.data.datasets || []).length; - const sources = []; - let meta, i, line, source; - for (i = 0; i < count; ++i) { - meta = chart.getDatasetMeta(i); - line = meta.dataset; - source = null; - if (line && line.options && line instanceof LineElement) { - source = { - visible: chart.isDatasetVisible(i), - index: i, - fill: decodeFill(line, i, count), - chart, - axis: meta.controller.options.indexAxis, - scale: meta.vScale, - line, - }; - } - meta.$filler = source; - sources.push(source); - } - for (i = 0; i < count; ++i) { - source = sources[i]; - if (!source || source.fill === false) { - continue; - } - source.fill = resolveTarget(sources, i, options.propagate); - } - }, - beforeDraw(chart, _args, options) { - const draw = options.drawTime === 'beforeDraw'; - const metasets = chart.getSortedVisibleDatasetMetas(); - const area = chart.chartArea; - for (let i = metasets.length - 1; i >= 0; --i) { - const source = metasets[i].$filler; - if (!source) { - continue; - } - source.line.updateControlPoints(area, source.axis); - if (draw) { - drawfill(chart.ctx, source, area); - } - } - }, - beforeDatasetsDraw(chart, _args, options) { - if (options.drawTime !== 'beforeDatasetsDraw') { - return; - } - const metasets = chart.getSortedVisibleDatasetMetas(); - for (let i = metasets.length - 1; i >= 0; --i) { - const source = metasets[i].$filler; - if (source) { - drawfill(chart.ctx, source, chart.chartArea); - } - } - }, - beforeDatasetDraw(chart, args, options) { - const source = args.meta.$filler; - if (!source || source.fill === false || options.drawTime !== 'beforeDatasetDraw') { - return; - } - drawfill(chart.ctx, source, chart.chartArea); - }, - defaults: { - propagate: true, - drawTime: 'beforeDatasetDraw' - } -}; - -const getBoxSize = (labelOpts, fontSize) => { - let {boxHeight = fontSize, boxWidth = fontSize} = labelOpts; - if (labelOpts.usePointStyle) { - boxHeight = Math.min(boxHeight, fontSize); - boxWidth = Math.min(boxWidth, fontSize); - } - return { - boxWidth, - boxHeight, - itemHeight: Math.max(fontSize, boxHeight) - }; -}; -const itemsEqual = (a, b) => a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index; -class Legend extends Element { - constructor(config) { - super(); - this._added = false; - this.legendHitBoxes = []; - this._hoveredItem = null; - this.doughnutMode = false; - this.chart = config.chart; - this.options = config.options; - this.ctx = config.ctx; - this.legendItems = undefined; - this.columnSizes = undefined; - this.lineWidths = undefined; - this.maxHeight = undefined; - this.maxWidth = undefined; - this.top = undefined; - this.bottom = undefined; - this.left = undefined; - this.right = undefined; - this.height = undefined; - this.width = undefined; - this._margins = undefined; - this.position = undefined; - this.weight = undefined; - this.fullSize = undefined; - } - update(maxWidth, maxHeight, margins) { - const me = this; - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me._margins = margins; - me.setDimensions(); - me.buildLabels(); - me.fit(); - } - setDimensions() { - const me = this; - if (me.isHorizontal()) { - me.width = me.maxWidth; - me.left = me._margins.left; - me.right = me.width; - } else { - me.height = me.maxHeight; - me.top = me._margins.top; - me.bottom = me.height; - } - } - buildLabels() { - const me = this; - const labelOpts = me.options.labels || {}; - let legendItems = callback(labelOpts.generateLabels, [me.chart], me) || []; - if (labelOpts.filter) { - legendItems = legendItems.filter((item) => labelOpts.filter(item, me.chart.data)); - } - if (labelOpts.sort) { - legendItems = legendItems.sort((a, b) => labelOpts.sort(a, b, me.chart.data)); - } - if (me.options.reverse) { - legendItems.reverse(); - } - me.legendItems = legendItems; - } - fit() { - const me = this; - const {options, ctx} = me; - if (!options.display) { - me.width = me.height = 0; - return; - } - const labelOpts = options.labels; - const labelFont = toFont(labelOpts.font); - const fontSize = labelFont.size; - const titleHeight = me._computeTitleHeight(); - const {boxWidth, itemHeight} = getBoxSize(labelOpts, fontSize); - let width, height; - ctx.font = labelFont.string; - if (me.isHorizontal()) { - width = me.maxWidth; - height = me._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10; - } else { - height = me.maxHeight; - width = me._fitCols(titleHeight, fontSize, boxWidth, itemHeight) + 10; - } - me.width = Math.min(width, options.maxWidth || me.maxWidth); - me.height = Math.min(height, options.maxHeight || me.maxHeight); - } - _fitRows(titleHeight, fontSize, boxWidth, itemHeight) { - const me = this; - const {ctx, maxWidth, options: {labels: {padding}}} = me; - const hitboxes = me.legendHitBoxes = []; - const lineWidths = me.lineWidths = [0]; - const lineHeight = itemHeight + padding; - let totalHeight = titleHeight; - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; - let row = -1; - let top = -lineHeight; - me.legendItems.forEach((legendItem, i) => { - const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) { - totalHeight += lineHeight; - lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0; - top += lineHeight; - row++; - } - hitboxes[i] = {left: 0, top, row, width: itemWidth, height: itemHeight}; - lineWidths[lineWidths.length - 1] += itemWidth + padding; - }); - return totalHeight; - } - _fitCols(titleHeight, fontSize, boxWidth, itemHeight) { - const me = this; - const {ctx, maxHeight, options: {labels: {padding}}} = me; - const hitboxes = me.legendHitBoxes = []; - const columnSizes = me.columnSizes = []; - const heightLimit = maxHeight - titleHeight; - let totalWidth = padding; - let currentColWidth = 0; - let currentColHeight = 0; - let left = 0; - let col = 0; - me.legendItems.forEach((legendItem, i) => { - const itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) { - totalWidth += currentColWidth + padding; - columnSizes.push({width: currentColWidth, height: currentColHeight}); - left += currentColWidth + padding; - col++; - currentColWidth = currentColHeight = 0; - } - hitboxes[i] = {left, top: currentColHeight, col, width: itemWidth, height: itemHeight}; - currentColWidth = Math.max(currentColWidth, itemWidth); - currentColHeight += itemHeight + padding; - }); - totalWidth += currentColWidth; - columnSizes.push({width: currentColWidth, height: currentColHeight}); - return totalWidth; - } - adjustHitBoxes() { - const me = this; - if (!me.options.display) { - return; - } - const titleHeight = me._computeTitleHeight(); - const {legendHitBoxes: hitboxes, options: {align, labels: {padding}, rtl}} = me; - const rtlHelper = getRtlAdapter(rtl, me.left, me.width); - if (this.isHorizontal()) { - let row = 0; - let left = _alignStartEnd(align, me.left + padding, me.right - me.lineWidths[row]); - for (const hitbox of hitboxes) { - if (row !== hitbox.row) { - row = hitbox.row; - left = _alignStartEnd(align, me.left + padding, me.right - me.lineWidths[row]); - } - hitbox.top += me.top + titleHeight + padding; - hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width); - left += hitbox.width + padding; - } - } else { - let col = 0; - let top = _alignStartEnd(align, me.top + titleHeight + padding, me.bottom - me.columnSizes[col].height); - for (const hitbox of hitboxes) { - if (hitbox.col !== col) { - col = hitbox.col; - top = _alignStartEnd(align, me.top + titleHeight + padding, me.bottom - me.columnSizes[col].height); - } - hitbox.top = top; - hitbox.left += me.left + padding; - hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width); - top += hitbox.height + padding; - } - } - } - isHorizontal() { - return this.options.position === 'top' || this.options.position === 'bottom'; - } - draw() { - const me = this; - if (me.options.display) { - const ctx = me.ctx; - clipArea(ctx, me); - me._draw(); - unclipArea(ctx); - } - } - _draw() { - const me = this; - const {options: opts, columnSizes, lineWidths, ctx} = me; - const {align, labels: labelOpts} = opts; - const defaultColor = defaults.color; - const rtlHelper = getRtlAdapter(opts.rtl, me.left, me.width); - const labelFont = toFont(labelOpts.font); - const {color: fontColor, padding} = labelOpts; - const fontSize = labelFont.size; - const halfFontSize = fontSize / 2; - let cursor; - me.drawTitle(); - ctx.textAlign = rtlHelper.textAlign('left'); - ctx.textBaseline = 'middle'; - ctx.lineWidth = 0.5; - ctx.font = labelFont.string; - const {boxWidth, boxHeight, itemHeight} = getBoxSize(labelOpts, fontSize); - const drawLegendBox = function(x, y, legendItem) { - if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) { - return; - } - ctx.save(); - const lineWidth = valueOrDefault(legendItem.lineWidth, 1); - ctx.fillStyle = valueOrDefault(legendItem.fillStyle, defaultColor); - ctx.lineCap = valueOrDefault(legendItem.lineCap, 'butt'); - ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, 0); - ctx.lineJoin = valueOrDefault(legendItem.lineJoin, 'miter'); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, defaultColor); - ctx.setLineDash(valueOrDefault(legendItem.lineDash, [])); - if (labelOpts.usePointStyle) { - const drawOptions = { - radius: boxWidth * Math.SQRT2 / 2, - pointStyle: legendItem.pointStyle, - rotation: legendItem.rotation, - borderWidth: lineWidth - }; - const centerX = rtlHelper.xPlus(x, boxWidth / 2); - const centerY = y + halfFontSize; - drawPoint(ctx, drawOptions, centerX, centerY); - } else { - const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0); - const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth); - const borderRadius = toTRBLCorners(legendItem.borderRadius); - ctx.beginPath(); - if (Object.values(borderRadius).some(v => v !== 0)) { - addRoundedRectPath(ctx, { - x: xBoxLeft, - y: yBoxTop, - w: boxWidth, - h: boxHeight, - radius: borderRadius, - }); - } else { - ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight); - } - ctx.fill(); - if (lineWidth !== 0) { - ctx.stroke(); - } - } - ctx.restore(); - }; - const fillText = function(x, y, legendItem) { - renderText(ctx, legendItem.text, x, y + (itemHeight / 2), labelFont, { - strikethrough: legendItem.hidden, - textAlign: rtlHelper.textAlign(legendItem.textAlign) - }); - }; - const isHorizontal = me.isHorizontal(); - const titleHeight = this._computeTitleHeight(); - if (isHorizontal) { - cursor = { - x: _alignStartEnd(align, me.left + padding, me.right - lineWidths[0]), - y: me.top + padding + titleHeight, - line: 0 - }; - } else { - cursor = { - x: me.left + padding, - y: _alignStartEnd(align, me.top + titleHeight + padding, me.bottom - columnSizes[0].height), - line: 0 - }; - } - overrideTextDirection(me.ctx, opts.textDirection); - const lineHeight = itemHeight + padding; - me.legendItems.forEach((legendItem, i) => { - ctx.strokeStyle = legendItem.fontColor || fontColor; - ctx.fillStyle = legendItem.fontColor || fontColor; - const textWidth = ctx.measureText(legendItem.text).width; - const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign)); - const width = boxWidth + halfFontSize + textWidth; - let x = cursor.x; - let y = cursor.y; - rtlHelper.setWidth(me.width); - if (isHorizontal) { - if (i > 0 && x + width + padding > me.right) { - y = cursor.y += lineHeight; - cursor.line++; - x = cursor.x = _alignStartEnd(align, me.left + padding, me.right - lineWidths[cursor.line]); - } - } else if (i > 0 && y + lineHeight > me.bottom) { - x = cursor.x = x + columnSizes[cursor.line].width + padding; - cursor.line++; - y = cursor.y = _alignStartEnd(align, me.top + titleHeight + padding, me.bottom - columnSizes[cursor.line].height); - } - const realX = rtlHelper.x(x); - drawLegendBox(realX, y, legendItem); - x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : me.right, opts.rtl); - fillText(rtlHelper.x(x), y, legendItem); - if (isHorizontal) { - cursor.x += width + padding; - } else { - cursor.y += lineHeight; - } - }); - restoreTextDirection(me.ctx, opts.textDirection); - } - drawTitle() { - const me = this; - const opts = me.options; - const titleOpts = opts.title; - const titleFont = toFont(titleOpts.font); - const titlePadding = toPadding(titleOpts.padding); - if (!titleOpts.display) { - return; - } - const rtlHelper = getRtlAdapter(opts.rtl, me.left, me.width); - const ctx = me.ctx; - const position = titleOpts.position; - const halfFontSize = titleFont.size / 2; - const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize; - let y; - let left = me.left; - let maxWidth = me.width; - if (this.isHorizontal()) { - maxWidth = Math.max(...me.lineWidths); - y = me.top + topPaddingPlusHalfFontSize; - left = _alignStartEnd(opts.align, left, me.right - maxWidth); - } else { - const maxHeight = me.columnSizes.reduce((acc, size) => Math.max(acc, size.height), 0); - y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, me.top, me.bottom - maxHeight - opts.labels.padding - me._computeTitleHeight()); - } - const x = _alignStartEnd(position, left, left + maxWidth); - ctx.textAlign = rtlHelper.textAlign(_toLeftRightCenter(position)); - ctx.textBaseline = 'middle'; - ctx.strokeStyle = titleOpts.color; - ctx.fillStyle = titleOpts.color; - ctx.font = titleFont.string; - renderText(ctx, titleOpts.text, x, y, titleFont); - } - _computeTitleHeight() { - const titleOpts = this.options.title; - const titleFont = toFont(titleOpts.font); - const titlePadding = toPadding(titleOpts.padding); - return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0; - } - _getLegendItemAt(x, y) { - const me = this; - let i, hitBox, lh; - if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { - lh = me.legendHitBoxes; - for (i = 0; i < lh.length; ++i) { - hitBox = lh[i]; - if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { - return me.legendItems[i]; - } - } - } - return null; - } - handleEvent(e) { - const me = this; - const opts = me.options; - if (!isListened(e.type, opts)) { - return; - } - const hoveredItem = me._getLegendItemAt(e.x, e.y); - if (e.type === 'mousemove') { - const previous = me._hoveredItem; - const sameItem = itemsEqual(previous, hoveredItem); - if (previous && !sameItem) { - callback(opts.onLeave, [e, previous, me], me); - } - me._hoveredItem = hoveredItem; - if (hoveredItem && !sameItem) { - callback(opts.onHover, [e, hoveredItem, me], me); - } - } else if (hoveredItem) { - callback(opts.onClick, [e, hoveredItem, me], me); - } - } -} -function isListened(type, opts) { - if (type === 'mousemove' && (opts.onHover || opts.onLeave)) { - return true; - } - if (opts.onClick && (type === 'click' || type === 'mouseup')) { - return true; - } - return false; -} -var plugin_legend = { - id: 'legend', - _element: Legend, - start(chart, _args, options) { - const legend = chart.legend = new Legend({ctx: chart.ctx, options, chart}); - layouts.configure(chart, legend, options); - layouts.addBox(chart, legend); - }, - stop(chart) { - layouts.removeBox(chart, chart.legend); - delete chart.legend; - }, - beforeUpdate(chart, _args, options) { - const legend = chart.legend; - layouts.configure(chart, legend, options); - legend.options = options; - }, - afterUpdate(chart) { - const legend = chart.legend; - legend.buildLabels(); - legend.adjustHitBoxes(); - }, - afterEvent(chart, args) { - if (!args.replay) { - chart.legend.handleEvent(args.event); - } - }, - defaults: { - display: true, - position: 'top', - align: 'center', - fullSize: true, - reverse: false, - weight: 1000, - onClick(e, legendItem, legend) { - const index = legendItem.datasetIndex; - const ci = legend.chart; - if (ci.isDatasetVisible(index)) { - ci.hide(index); - legendItem.hidden = true; - } else { - ci.show(index); - legendItem.hidden = false; - } - }, - onHover: null, - onLeave: null, - labels: { - color: (ctx) => ctx.chart.options.color, - boxWidth: 40, - padding: 10, - generateLabels(chart) { - const datasets = chart.data.datasets; - const {labels: {usePointStyle, pointStyle, textAlign, color}} = chart.legend.options; - return chart._getSortedDatasetMetas().map((meta) => { - const style = meta.controller.getStyle(usePointStyle ? 0 : undefined); - const borderWidth = toPadding(style.borderWidth); - return { - text: datasets[meta.index].label, - fillStyle: style.backgroundColor, - fontColor: color, - hidden: !meta.visible, - lineCap: style.borderCapStyle, - lineDash: style.borderDash, - lineDashOffset: style.borderDashOffset, - lineJoin: style.borderJoinStyle, - lineWidth: (borderWidth.width + borderWidth.height) / 4, - strokeStyle: style.borderColor, - pointStyle: pointStyle || style.pointStyle, - rotation: style.rotation, - textAlign: textAlign || style.textAlign, - borderRadius: 0, - datasetIndex: meta.index - }; - }, this); - } - }, - title: { - color: (ctx) => ctx.chart.options.color, - display: false, - position: 'center', - text: '', - } - }, - descriptors: { - _scriptable: (name) => !name.startsWith('on'), - labels: { - _scriptable: (name) => !['generateLabels', 'filter', 'sort'].includes(name), - } - }, -}; - -class Title extends Element { - constructor(config) { - super(); - this.chart = config.chart; - this.options = config.options; - this.ctx = config.ctx; - this._padding = undefined; - this.top = undefined; - this.bottom = undefined; - this.left = undefined; - this.right = undefined; - this.width = undefined; - this.height = undefined; - this.position = undefined; - this.weight = undefined; - this.fullSize = undefined; - } - update(maxWidth, maxHeight) { - const me = this; - const opts = me.options; - me.left = 0; - me.top = 0; - if (!opts.display) { - me.width = me.height = me.right = me.bottom = 0; - return; - } - me.width = me.right = maxWidth; - me.height = me.bottom = maxHeight; - const lineCount = isArray(opts.text) ? opts.text.length : 1; - me._padding = toPadding(opts.padding); - const textSize = lineCount * toFont(opts.font).lineHeight + me._padding.height; - if (me.isHorizontal()) { - me.height = textSize; - } else { - me.width = textSize; - } - } - isHorizontal() { - const pos = this.options.position; - return pos === 'top' || pos === 'bottom'; - } - _drawArgs(offset) { - const {top, left, bottom, right, options} = this; - const align = options.align; - let rotation = 0; - let maxWidth, titleX, titleY; - if (this.isHorizontal()) { - titleX = _alignStartEnd(align, left, right); - titleY = top + offset; - maxWidth = right - left; - } else { - if (options.position === 'left') { - titleX = left + offset; - titleY = _alignStartEnd(align, bottom, top); - rotation = PI * -0.5; - } else { - titleX = right - offset; - titleY = _alignStartEnd(align, top, bottom); - rotation = PI * 0.5; - } - maxWidth = bottom - top; - } - return {titleX, titleY, maxWidth, rotation}; - } - draw() { - const me = this; - const ctx = me.ctx; - const opts = me.options; - if (!opts.display) { - return; - } - const fontOpts = toFont(opts.font); - const lineHeight = fontOpts.lineHeight; - const offset = lineHeight / 2 + me._padding.top; - const {titleX, titleY, maxWidth, rotation} = me._drawArgs(offset); - renderText(ctx, opts.text, 0, 0, fontOpts, { - color: opts.color, - maxWidth, - rotation, - textAlign: _toLeftRightCenter(opts.align), - textBaseline: 'middle', - translation: [titleX, titleY], - }); - } -} -function createTitle(chart, titleOpts) { - const title = new Title({ - ctx: chart.ctx, - options: titleOpts, - chart - }); - layouts.configure(chart, title, titleOpts); - layouts.addBox(chart, title); - chart.titleBlock = title; -} -var plugin_title = { - id: 'title', - _element: Title, - start(chart, _args, options) { - createTitle(chart, options); - }, - stop(chart) { - const titleBlock = chart.titleBlock; - layouts.removeBox(chart, titleBlock); - delete chart.titleBlock; - }, - beforeUpdate(chart, _args, options) { - const title = chart.titleBlock; - layouts.configure(chart, title, options); - title.options = options; - }, - defaults: { - align: 'center', - display: false, - font: { - weight: 'bold', - }, - fullSize: true, - padding: 10, - position: 'top', - text: '', - weight: 2000 - }, - defaultRoutes: { - color: 'color' - }, - descriptors: { - _scriptable: true, - _indexable: false, - }, -}; - -const map = new WeakMap(); -var plugin_subtitle = { - id: 'subtitle', - start(chart, _args, options) { - const title = new Title({ - ctx: chart.ctx, - options, - chart - }); - layouts.configure(chart, title, options); - layouts.addBox(chart, title); - map.set(chart, title); - }, - stop(chart) { - layouts.removeBox(chart, map.get(chart)); - map.delete(chart); - }, - beforeUpdate(chart, _args, options) { - const title = map.get(chart); - layouts.configure(chart, title, options); - title.options = options; - }, - defaults: { - align: 'center', - display: false, - font: { - weight: 'normal', - }, - fullSize: true, - padding: 0, - position: 'top', - text: '', - weight: 1500 - }, - defaultRoutes: { - color: 'color' - }, - descriptors: { - _scriptable: true, - _indexable: false, - }, -}; - -const positioners = { - average(items) { - if (!items.length) { - return false; - } - let i, len; - let x = 0; - let y = 0; - let count = 0; - for (i = 0, len = items.length; i < len; ++i) { - const el = items[i].element; - if (el && el.hasValue()) { - const pos = el.tooltipPosition(); - x += pos.x; - y += pos.y; - ++count; - } - } - return { - x: x / count, - y: y / count - }; - }, - nearest(items, eventPosition) { - if (!items.length) { - return false; - } - let x = eventPosition.x; - let y = eventPosition.y; - let minDistance = Number.POSITIVE_INFINITY; - let i, len, nearestElement; - for (i = 0, len = items.length; i < len; ++i) { - const el = items[i].element; - if (el && el.hasValue()) { - const center = el.getCenterPoint(); - const d = distanceBetweenPoints(eventPosition, center); - if (d < minDistance) { - minDistance = d; - nearestElement = el; - } - } - } - if (nearestElement) { - const tp = nearestElement.tooltipPosition(); - x = tp.x; - y = tp.y; - } - return { - x, - y - }; - } -}; -function pushOrConcat(base, toPush) { - if (toPush) { - if (isArray(toPush)) { - Array.prototype.push.apply(base, toPush); - } else { - base.push(toPush); - } - } - return base; -} -function splitNewlines(str) { - if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { - return str.split('\n'); - } - return str; -} -function createTooltipItem(chart, item) { - const {element, datasetIndex, index} = item; - const controller = chart.getDatasetMeta(datasetIndex).controller; - const {label, value} = controller.getLabelAndValue(index); - return { - chart, - label, - parsed: controller.getParsed(index), - raw: chart.data.datasets[datasetIndex].data[index], - formattedValue: value, - dataset: controller.getDataset(), - dataIndex: index, - datasetIndex, - element - }; -} -function getTooltipSize(tooltip, options) { - const ctx = tooltip._chart.ctx; - const {body, footer, title} = tooltip; - const {boxWidth, boxHeight} = options; - const bodyFont = toFont(options.bodyFont); - const titleFont = toFont(options.titleFont); - const footerFont = toFont(options.footerFont); - const titleLineCount = title.length; - const footerLineCount = footer.length; - const bodyLineItemCount = body.length; - const padding = toPadding(options.padding); - let height = padding.height; - let width = 0; - let combinedBodyLength = body.reduce((count, bodyItem) => count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0); - combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length; - if (titleLineCount) { - height += titleLineCount * titleFont.lineHeight - + (titleLineCount - 1) * options.titleSpacing - + options.titleMarginBottom; - } - if (combinedBodyLength) { - const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight; - height += bodyLineItemCount * bodyLineHeight - + (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight - + (combinedBodyLength - 1) * options.bodySpacing; - } - if (footerLineCount) { - height += options.footerMarginTop - + footerLineCount * footerFont.lineHeight - + (footerLineCount - 1) * options.footerSpacing; - } - let widthPadding = 0; - const maxLineWidth = function(line) { - width = Math.max(width, ctx.measureText(line).width + widthPadding); - }; - ctx.save(); - ctx.font = titleFont.string; - each(tooltip.title, maxLineWidth); - ctx.font = bodyFont.string; - each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth); - widthPadding = options.displayColors ? (boxWidth + 2) : 0; - each(body, (bodyItem) => { - each(bodyItem.before, maxLineWidth); - each(bodyItem.lines, maxLineWidth); - each(bodyItem.after, maxLineWidth); - }); - widthPadding = 0; - ctx.font = footerFont.string; - each(tooltip.footer, maxLineWidth); - ctx.restore(); - width += padding.width; - return {width, height}; -} -function determineYAlign(chart, size) { - const {y, height} = size; - if (y < height / 2) { - return 'top'; - } else if (y > (chart.height - height / 2)) { - return 'bottom'; - } - return 'center'; -} -function doesNotFitWithAlign(xAlign, chart, options, size) { - const {x, width} = size; - const caret = options.caretSize + options.caretPadding; - if (xAlign === 'left' && x + width + caret > chart.width) { - return true; - } - if (xAlign === 'right' && x - width - caret < 0) { - return true; - } -} -function determineXAlign(chart, options, size, yAlign) { - const {x, width} = size; - const {width: chartWidth, chartArea: {left, right}} = chart; - let xAlign = 'center'; - if (yAlign === 'center') { - xAlign = x <= (left + right) / 2 ? 'left' : 'right'; - } else if (x <= width / 2) { - xAlign = 'left'; - } else if (x >= chartWidth - width / 2) { - xAlign = 'right'; - } - if (doesNotFitWithAlign(xAlign, chart, options, size)) { - xAlign = 'center'; - } - return xAlign; -} -function determineAlignment(chart, options, size) { - const yAlign = options.yAlign || determineYAlign(chart, size); - return { - xAlign: options.xAlign || determineXAlign(chart, options, size, yAlign), - yAlign - }; -} -function alignX(size, xAlign) { - let {x, width} = size; - if (xAlign === 'right') { - x -= width; - } else if (xAlign === 'center') { - x -= (width / 2); - } - return x; -} -function alignY(size, yAlign, paddingAndSize) { - let {y, height} = size; - if (yAlign === 'top') { - y += paddingAndSize; - } else if (yAlign === 'bottom') { - y -= height + paddingAndSize; - } else { - y -= (height / 2); - } - return y; -} -function getBackgroundPoint(options, size, alignment, chart) { - const {caretSize, caretPadding, cornerRadius} = options; - const {xAlign, yAlign} = alignment; - const paddingAndSize = caretSize + caretPadding; - const radiusAndPadding = cornerRadius + caretPadding; - let x = alignX(size, xAlign); - const y = alignY(size, yAlign, paddingAndSize); - if (yAlign === 'center') { - if (xAlign === 'left') { - x += paddingAndSize; - } else if (xAlign === 'right') { - x -= paddingAndSize; - } - } else if (xAlign === 'left') { - x -= radiusAndPadding; - } else if (xAlign === 'right') { - x += radiusAndPadding; - } - return { - x: _limitValue(x, 0, chart.width - size.width), - y: _limitValue(y, 0, chart.height - size.height) - }; -} -function getAlignedX(tooltip, align, options) { - const padding = toPadding(options.padding); - return align === 'center' - ? tooltip.x + tooltip.width / 2 - : align === 'right' - ? tooltip.x + tooltip.width - padding.right - : tooltip.x + padding.left; -} -function getBeforeAfterBodyLines(callback) { - return pushOrConcat([], splitNewlines(callback)); -} -function createTooltipContext(parent, tooltip, tooltipItems) { - return Object.assign(Object.create(parent), { - tooltip, - tooltipItems, - type: 'tooltip' - }); -} -function overrideCallbacks(callbacks, context) { - const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks; - return override ? callbacks.override(override) : callbacks; -} -class Tooltip extends Element { - constructor(config) { - super(); - this.opacity = 0; - this._active = []; - this._chart = config._chart; - this._eventPosition = undefined; - this._size = undefined; - this._cachedAnimations = undefined; - this._tooltipItems = []; - this.$animations = undefined; - this.$context = undefined; - this.options = config.options; - this.dataPoints = undefined; - this.title = undefined; - this.beforeBody = undefined; - this.body = undefined; - this.afterBody = undefined; - this.footer = undefined; - this.xAlign = undefined; - this.yAlign = undefined; - this.x = undefined; - this.y = undefined; - this.height = undefined; - this.width = undefined; - this.caretX = undefined; - this.caretY = undefined; - this.labelColors = undefined; - this.labelPointStyles = undefined; - this.labelTextColors = undefined; - } - initialize(options) { - this.options = options; - this._cachedAnimations = undefined; - this.$context = undefined; - } - _resolveAnimations() { - const me = this; - const cached = me._cachedAnimations; - if (cached) { - return cached; - } - const chart = me._chart; - const options = me.options.setContext(me.getContext()); - const opts = options.enabled && chart.options.animation && options.animations; - const animations = new Animations(me._chart, opts); - if (opts._cacheable) { - me._cachedAnimations = Object.freeze(animations); - } - return animations; - } - getContext() { - const me = this; - return me.$context || - (me.$context = createTooltipContext(me._chart.getContext(), me, me._tooltipItems)); - } - getTitle(context, options) { - const me = this; - const {callbacks} = options; - const beforeTitle = callbacks.beforeTitle.apply(me, [context]); - const title = callbacks.title.apply(me, [context]); - const afterTitle = callbacks.afterTitle.apply(me, [context]); - let lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeTitle)); - lines = pushOrConcat(lines, splitNewlines(title)); - lines = pushOrConcat(lines, splitNewlines(afterTitle)); - return lines; - } - getBeforeBody(tooltipItems, options) { - return getBeforeAfterBodyLines(options.callbacks.beforeBody.apply(this, [tooltipItems])); - } - getBody(tooltipItems, options) { - const me = this; - const {callbacks} = options; - const bodyItems = []; - each(tooltipItems, (context) => { - const bodyItem = { - before: [], - lines: [], - after: [] - }; - const scoped = overrideCallbacks(callbacks, context); - pushOrConcat(bodyItem.before, splitNewlines(scoped.beforeLabel.call(me, context))); - pushOrConcat(bodyItem.lines, scoped.label.call(me, context)); - pushOrConcat(bodyItem.after, splitNewlines(scoped.afterLabel.call(me, context))); - bodyItems.push(bodyItem); - }); - return bodyItems; - } - getAfterBody(tooltipItems, options) { - return getBeforeAfterBodyLines(options.callbacks.afterBody.apply(this, [tooltipItems])); - } - getFooter(tooltipItems, options) { - const me = this; - const {callbacks} = options; - const beforeFooter = callbacks.beforeFooter.apply(me, [tooltipItems]); - const footer = callbacks.footer.apply(me, [tooltipItems]); - const afterFooter = callbacks.afterFooter.apply(me, [tooltipItems]); - let lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeFooter)); - lines = pushOrConcat(lines, splitNewlines(footer)); - lines = pushOrConcat(lines, splitNewlines(afterFooter)); - return lines; - } - _createItems(options) { - const me = this; - const active = me._active; - const data = me._chart.data; - const labelColors = []; - const labelPointStyles = []; - const labelTextColors = []; - let tooltipItems = []; - let i, len; - for (i = 0, len = active.length; i < len; ++i) { - tooltipItems.push(createTooltipItem(me._chart, active[i])); - } - if (options.filter) { - tooltipItems = tooltipItems.filter((element, index, array) => options.filter(element, index, array, data)); - } - if (options.itemSort) { - tooltipItems = tooltipItems.sort((a, b) => options.itemSort(a, b, data)); - } - each(tooltipItems, (context) => { - const scoped = overrideCallbacks(options.callbacks, context); - labelColors.push(scoped.labelColor.call(me, context)); - labelPointStyles.push(scoped.labelPointStyle.call(me, context)); - labelTextColors.push(scoped.labelTextColor.call(me, context)); - }); - me.labelColors = labelColors; - me.labelPointStyles = labelPointStyles; - me.labelTextColors = labelTextColors; - me.dataPoints = tooltipItems; - return tooltipItems; - } - update(changed, replay) { - const me = this; - const options = me.options.setContext(me.getContext()); - const active = me._active; - let properties; - let tooltipItems = []; - if (!active.length) { - if (me.opacity !== 0) { - properties = { - opacity: 0 - }; - } - } else { - const position = positioners[options.position].call(me, active, me._eventPosition); - tooltipItems = me._createItems(options); - me.title = me.getTitle(tooltipItems, options); - me.beforeBody = me.getBeforeBody(tooltipItems, options); - me.body = me.getBody(tooltipItems, options); - me.afterBody = me.getAfterBody(tooltipItems, options); - me.footer = me.getFooter(tooltipItems, options); - const size = me._size = getTooltipSize(me, options); - const positionAndSize = Object.assign({}, position, size); - const alignment = determineAlignment(me._chart, options, positionAndSize); - const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, me._chart); - me.xAlign = alignment.xAlign; - me.yAlign = alignment.yAlign; - properties = { - opacity: 1, - x: backgroundPoint.x, - y: backgroundPoint.y, - width: size.width, - height: size.height, - caretX: position.x, - caretY: position.y - }; - } - me._tooltipItems = tooltipItems; - me.$context = undefined; - if (properties) { - me._resolveAnimations().update(me, properties); - } - if (changed && options.external) { - options.external.call(me, {chart: me._chart, tooltip: me, replay}); - } - } - drawCaret(tooltipPoint, ctx, size, options) { - const caretPosition = this.getCaretPosition(tooltipPoint, size, options); - ctx.lineTo(caretPosition.x1, caretPosition.y1); - ctx.lineTo(caretPosition.x2, caretPosition.y2); - ctx.lineTo(caretPosition.x3, caretPosition.y3); - } - getCaretPosition(tooltipPoint, size, options) { - const {xAlign, yAlign} = this; - const {cornerRadius, caretSize} = options; - const {x: ptX, y: ptY} = tooltipPoint; - const {width, height} = size; - let x1, x2, x3, y1, y2, y3; - if (yAlign === 'center') { - y2 = ptY + (height / 2); - if (xAlign === 'left') { - x1 = ptX; - x2 = x1 - caretSize; - y1 = y2 + caretSize; - y3 = y2 - caretSize; - } else { - x1 = ptX + width; - x2 = x1 + caretSize; - y1 = y2 - caretSize; - y3 = y2 + caretSize; - } - x3 = x1; - } else { - if (xAlign === 'left') { - x2 = ptX + cornerRadius + (caretSize); - } else if (xAlign === 'right') { - x2 = ptX + width - cornerRadius - caretSize; - } else { - x2 = this.caretX; - } - if (yAlign === 'top') { - y1 = ptY; - y2 = y1 - caretSize; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else { - y1 = ptY + height; - y2 = y1 + caretSize; - x1 = x2 + caretSize; - x3 = x2 - caretSize; - } - y3 = y1; - } - return {x1, x2, x3, y1, y2, y3}; - } - drawTitle(pt, ctx, options) { - const me = this; - const title = me.title; - const length = title.length; - let titleFont, titleSpacing, i; - if (length) { - const rtlHelper = getRtlAdapter(options.rtl, me.x, me.width); - pt.x = getAlignedX(me, options.titleAlign, options); - ctx.textAlign = rtlHelper.textAlign(options.titleAlign); - ctx.textBaseline = 'middle'; - titleFont = toFont(options.titleFont); - titleSpacing = options.titleSpacing; - ctx.fillStyle = options.titleColor; - ctx.font = titleFont.string; - for (i = 0; i < length; ++i) { - ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2); - pt.y += titleFont.lineHeight + titleSpacing; - if (i + 1 === length) { - pt.y += options.titleMarginBottom - titleSpacing; - } - } - } - } - _drawColorBox(ctx, pt, i, rtlHelper, options) { - const me = this; - const labelColors = me.labelColors[i]; - const labelPointStyle = me.labelPointStyles[i]; - const {boxHeight, boxWidth} = options; - const bodyFont = toFont(options.bodyFont); - const colorX = getAlignedX(me, 'left', options); - const rtlColorX = rtlHelper.x(colorX); - const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0; - const colorY = pt.y + yOffSet; - if (options.usePointStyle) { - const drawOptions = { - radius: Math.min(boxWidth, boxHeight) / 2, - pointStyle: labelPointStyle.pointStyle, - rotation: labelPointStyle.rotation, - borderWidth: 1 - }; - const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2; - const centerY = colorY + boxHeight / 2; - ctx.strokeStyle = options.multiKeyBackground; - ctx.fillStyle = options.multiKeyBackground; - drawPoint(ctx, drawOptions, centerX, centerY); - ctx.strokeStyle = labelColors.borderColor; - ctx.fillStyle = labelColors.backgroundColor; - drawPoint(ctx, drawOptions, centerX, centerY); - } else { - ctx.lineWidth = labelColors.borderWidth || 1; - ctx.strokeStyle = labelColors.borderColor; - ctx.setLineDash(labelColors.borderDash || []); - ctx.lineDashOffset = labelColors.borderDashOffset || 0; - const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth); - const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - 2); - const borderRadius = toTRBLCorners(labelColors.borderRadius); - if (Object.values(borderRadius).some(v => v !== 0)) { - ctx.beginPath(); - ctx.fillStyle = options.multiKeyBackground; - addRoundedRectPath(ctx, { - x: outerX, - y: colorY, - w: boxWidth, - h: boxHeight, - radius: borderRadius, - }); - ctx.fill(); - ctx.stroke(); - ctx.fillStyle = labelColors.backgroundColor; - ctx.beginPath(); - addRoundedRectPath(ctx, { - x: innerX, - y: colorY + 1, - w: boxWidth - 2, - h: boxHeight - 2, - radius: borderRadius, - }); - ctx.fill(); - } else { - ctx.fillStyle = options.multiKeyBackground; - ctx.fillRect(outerX, colorY, boxWidth, boxHeight); - ctx.strokeRect(outerX, colorY, boxWidth, boxHeight); - ctx.fillStyle = labelColors.backgroundColor; - ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2); - } - } - ctx.fillStyle = me.labelTextColors[i]; - } - drawBody(pt, ctx, options) { - const me = this; - const {body} = me; - const {bodySpacing, bodyAlign, displayColors, boxHeight, boxWidth} = options; - const bodyFont = toFont(options.bodyFont); - let bodyLineHeight = bodyFont.lineHeight; - let xLinePadding = 0; - const rtlHelper = getRtlAdapter(options.rtl, me.x, me.width); - const fillLineOfText = function(line) { - ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2); - pt.y += bodyLineHeight + bodySpacing; - }; - const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign); - let bodyItem, textColor, lines, i, j, ilen, jlen; - ctx.textAlign = bodyAlign; - ctx.textBaseline = 'middle'; - ctx.font = bodyFont.string; - pt.x = getAlignedX(me, bodyAlignForCalculation, options); - ctx.fillStyle = options.bodyColor; - each(me.beforeBody, fillLineOfText); - xLinePadding = displayColors && bodyAlignForCalculation !== 'right' - ? bodyAlign === 'center' ? (boxWidth / 2 + 1) : (boxWidth + 2) - : 0; - for (i = 0, ilen = body.length; i < ilen; ++i) { - bodyItem = body[i]; - textColor = me.labelTextColors[i]; - ctx.fillStyle = textColor; - each(bodyItem.before, fillLineOfText); - lines = bodyItem.lines; - if (displayColors && lines.length) { - me._drawColorBox(ctx, pt, i, rtlHelper, options); - bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight); - } - for (j = 0, jlen = lines.length; j < jlen; ++j) { - fillLineOfText(lines[j]); - bodyLineHeight = bodyFont.lineHeight; - } - each(bodyItem.after, fillLineOfText); - } - xLinePadding = 0; - bodyLineHeight = bodyFont.lineHeight; - each(me.afterBody, fillLineOfText); - pt.y -= bodySpacing; - } - drawFooter(pt, ctx, options) { - const me = this; - const footer = me.footer; - const length = footer.length; - let footerFont, i; - if (length) { - const rtlHelper = getRtlAdapter(options.rtl, me.x, me.width); - pt.x = getAlignedX(me, options.footerAlign, options); - pt.y += options.footerMarginTop; - ctx.textAlign = rtlHelper.textAlign(options.footerAlign); - ctx.textBaseline = 'middle'; - footerFont = toFont(options.footerFont); - ctx.fillStyle = options.footerColor; - ctx.font = footerFont.string; - for (i = 0; i < length; ++i) { - ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2); - pt.y += footerFont.lineHeight + options.footerSpacing; - } - } - } - drawBackground(pt, ctx, tooltipSize, options) { - const {xAlign, yAlign} = this; - const {x, y} = pt; - const {width, height} = tooltipSize; - const radius = options.cornerRadius; - ctx.fillStyle = options.backgroundColor; - ctx.strokeStyle = options.borderColor; - ctx.lineWidth = options.borderWidth; - ctx.beginPath(); - ctx.moveTo(x + radius, y); - if (yAlign === 'top') { - this.drawCaret(pt, ctx, tooltipSize, options); - } - ctx.lineTo(x + width - radius, y); - ctx.quadraticCurveTo(x + width, y, x + width, y + radius); - if (yAlign === 'center' && xAlign === 'right') { - this.drawCaret(pt, ctx, tooltipSize, options); - } - ctx.lineTo(x + width, y + height - radius); - ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); - if (yAlign === 'bottom') { - this.drawCaret(pt, ctx, tooltipSize, options); - } - ctx.lineTo(x + radius, y + height); - ctx.quadraticCurveTo(x, y + height, x, y + height - radius); - if (yAlign === 'center' && xAlign === 'left') { - this.drawCaret(pt, ctx, tooltipSize, options); - } - ctx.lineTo(x, y + radius); - ctx.quadraticCurveTo(x, y, x + radius, y); - ctx.closePath(); - ctx.fill(); - if (options.borderWidth > 0) { - ctx.stroke(); - } - } - _updateAnimationTarget(options) { - const me = this; - const chart = me._chart; - const anims = me.$animations; - const animX = anims && anims.x; - const animY = anims && anims.y; - if (animX || animY) { - const position = positioners[options.position].call(me, me._active, me._eventPosition); - if (!position) { - return; - } - const size = me._size = getTooltipSize(me, options); - const positionAndSize = Object.assign({}, position, me._size); - const alignment = determineAlignment(chart, options, positionAndSize); - const point = getBackgroundPoint(options, positionAndSize, alignment, chart); - if (animX._to !== point.x || animY._to !== point.y) { - me.xAlign = alignment.xAlign; - me.yAlign = alignment.yAlign; - me.width = size.width; - me.height = size.height; - me.caretX = position.x; - me.caretY = position.y; - me._resolveAnimations().update(me, point); - } - } - } - draw(ctx) { - const me = this; - const options = me.options.setContext(me.getContext()); - let opacity = me.opacity; - if (!opacity) { - return; - } - me._updateAnimationTarget(options); - const tooltipSize = { - width: me.width, - height: me.height - }; - const pt = { - x: me.x, - y: me.y - }; - opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity; - const padding = toPadding(options.padding); - const hasTooltipContent = me.title.length || me.beforeBody.length || me.body.length || me.afterBody.length || me.footer.length; - if (options.enabled && hasTooltipContent) { - ctx.save(); - ctx.globalAlpha = opacity; - me.drawBackground(pt, ctx, tooltipSize, options); - overrideTextDirection(ctx, options.textDirection); - pt.y += padding.top; - me.drawTitle(pt, ctx, options); - me.drawBody(pt, ctx, options); - me.drawFooter(pt, ctx, options); - restoreTextDirection(ctx, options.textDirection); - ctx.restore(); - } - } - getActiveElements() { - return this._active || []; - } - setActiveElements(activeElements, eventPosition) { - const me = this; - const lastActive = me._active; - const active = activeElements.map(({datasetIndex, index}) => { - const meta = me._chart.getDatasetMeta(datasetIndex); - if (!meta) { - throw new Error('Cannot find a dataset at index ' + datasetIndex); - } - return { - datasetIndex, - element: meta.data[index], - index, - }; - }); - const changed = !_elementsEqual(lastActive, active); - const positionChanged = me._positionChanged(active, eventPosition); - if (changed || positionChanged) { - me._active = active; - me._eventPosition = eventPosition; - me.update(true); - } - } - handleEvent(e, replay) { - const me = this; - const options = me.options; - const lastActive = me._active || []; - let changed = false; - let active = []; - if (e.type !== 'mouseout') { - active = me._chart.getElementsAtEventForMode(e, options.mode, options, replay); - if (options.reverse) { - active.reverse(); - } - } - const positionChanged = me._positionChanged(active, e); - changed = replay || !_elementsEqual(active, lastActive) || positionChanged; - if (changed) { - me._active = active; - if (options.enabled || options.external) { - me._eventPosition = { - x: e.x, - y: e.y - }; - me.update(true, replay); - } - } - return changed; - } - _positionChanged(active, e) { - const {caretX, caretY, options} = this; - const position = positioners[options.position].call(this, active, e); - return position !== false && (caretX !== position.x || caretY !== position.y); - } -} -Tooltip.positioners = positioners; -var plugin_tooltip = { - id: 'tooltip', - _element: Tooltip, - positioners, - afterInit(chart, _args, options) { - if (options) { - chart.tooltip = new Tooltip({_chart: chart, options}); - } - }, - beforeUpdate(chart, _args, options) { - if (chart.tooltip) { - chart.tooltip.initialize(options); - } - }, - reset(chart, _args, options) { - if (chart.tooltip) { - chart.tooltip.initialize(options); - } - }, - afterDraw(chart) { - const tooltip = chart.tooltip; - const args = { - tooltip - }; - if (chart.notifyPlugins('beforeTooltipDraw', args) === false) { - return; - } - if (tooltip) { - tooltip.draw(chart.ctx); - } - chart.notifyPlugins('afterTooltipDraw', args); - }, - afterEvent(chart, args) { - if (chart.tooltip) { - const useFinalPosition = args.replay; - if (chart.tooltip.handleEvent(args.event, useFinalPosition)) { - args.changed = true; - } - } - }, - defaults: { - enabled: true, - external: null, - position: 'average', - backgroundColor: 'rgba(0,0,0,0.8)', - titleColor: '#fff', - titleFont: { - weight: 'bold', - }, - titleSpacing: 2, - titleMarginBottom: 6, - titleAlign: 'left', - bodyColor: '#fff', - bodySpacing: 2, - bodyFont: { - }, - bodyAlign: 'left', - footerColor: '#fff', - footerSpacing: 2, - footerMarginTop: 6, - footerFont: { - weight: 'bold', - }, - footerAlign: 'left', - padding: 6, - caretPadding: 2, - caretSize: 5, - cornerRadius: 6, - boxHeight: (ctx, opts) => opts.bodyFont.size, - boxWidth: (ctx, opts) => opts.bodyFont.size, - multiKeyBackground: '#fff', - displayColors: true, - borderColor: 'rgba(0,0,0,0)', - borderWidth: 0, - animation: { - duration: 400, - easing: 'easeOutQuart', - }, - animations: { - numbers: { - type: 'number', - properties: ['x', 'y', 'width', 'height', 'caretX', 'caretY'], - }, - opacity: { - easing: 'linear', - duration: 200 - } - }, - callbacks: { - beforeTitle: noop, - title(tooltipItems) { - if (tooltipItems.length > 0) { - const item = tooltipItems[0]; - const labels = item.chart.data.labels; - const labelCount = labels ? labels.length : 0; - if (this && this.options && this.options.mode === 'dataset') { - return item.dataset.label || ''; - } else if (item.label) { - return item.label; - } else if (labelCount > 0 && item.dataIndex < labelCount) { - return labels[item.dataIndex]; - } - } - return ''; - }, - afterTitle: noop, - beforeBody: noop, - beforeLabel: noop, - label(tooltipItem) { - if (this && this.options && this.options.mode === 'dataset') { - return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue; - } - let label = tooltipItem.dataset.label || ''; - if (label) { - label += ': '; - } - const value = tooltipItem.formattedValue; - if (!isNullOrUndef(value)) { - label += value; - } - return label; - }, - labelColor(tooltipItem) { - const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); - const options = meta.controller.getStyle(tooltipItem.dataIndex); - return { - borderColor: options.borderColor, - backgroundColor: options.backgroundColor, - borderWidth: options.borderWidth, - borderDash: options.borderDash, - borderDashOffset: options.borderDashOffset, - borderRadius: 0, - }; - }, - labelTextColor() { - return this.options.bodyColor; - }, - labelPointStyle(tooltipItem) { - const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); - const options = meta.controller.getStyle(tooltipItem.dataIndex); - return { - pointStyle: options.pointStyle, - rotation: options.rotation, - }; - }, - afterLabel: noop, - afterBody: noop, - beforeFooter: noop, - footer: noop, - afterFooter: noop - } - }, - defaultRoutes: { - bodyFont: 'font', - footerFont: 'font', - titleFont: 'font' - }, - descriptors: { - _scriptable: (name) => name !== 'filter' && name !== 'itemSort' && name !== 'external', - _indexable: false, - callbacks: { - _scriptable: false, - _indexable: false, - }, - animation: { - _fallback: false - }, - animations: { - _fallback: 'animation' - } - }, - additionalOptionScopes: ['interaction'] -}; - -var plugins = /*#__PURE__*/Object.freeze({ -__proto__: null, -Decimation: plugin_decimation, -Filler: plugin_filler, -Legend: plugin_legend, -SubTitle: plugin_subtitle, -Title: plugin_title, -Tooltip: plugin_tooltip -}); - -const addIfString = (labels, raw, index) => typeof raw === 'string' - ? labels.push(raw) - 1 - : isNaN(raw) ? null : index; -function findOrAddLabel(labels, raw, index) { - const first = labels.indexOf(raw); - if (first === -1) { - return addIfString(labels, raw, index); - } - const last = labels.lastIndexOf(raw); - return first !== last ? index : first; -} -const validIndex = (index, max) => index === null ? null : _limitValue(Math.round(index), 0, max); -class CategoryScale extends Scale { - constructor(cfg) { - super(cfg); - this._startValue = undefined; - this._valueRange = 0; - } - parse(raw, index) { - if (isNullOrUndef(raw)) { - return null; - } - const labels = this.getLabels(); - index = isFinite(index) && labels[index] === raw ? index - : findOrAddLabel(labels, raw, valueOrDefault(index, raw)); - return validIndex(index, labels.length - 1); - } - determineDataLimits() { - const me = this; - const {minDefined, maxDefined} = me.getUserBounds(); - let {min, max} = me.getMinMax(true); - if (me.options.bounds === 'ticks') { - if (!minDefined) { - min = 0; - } - if (!maxDefined) { - max = me.getLabels().length - 1; - } - } - me.min = min; - me.max = max; - } - buildTicks() { - const me = this; - const min = me.min; - const max = me.max; - const offset = me.options.offset; - const ticks = []; - let labels = me.getLabels(); - labels = (min === 0 && max === labels.length - 1) ? labels : labels.slice(min, max + 1); - me._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1); - me._startValue = me.min - (offset ? 0.5 : 0); - for (let value = min; value <= max; value++) { - ticks.push({value}); - } - return ticks; - } - getLabelForValue(value) { - const me = this; - const labels = me.getLabels(); - if (value >= 0 && value < labels.length) { - return labels[value]; - } - return value; - } - configure() { - const me = this; - super.configure(); - if (!me.isHorizontal()) { - me._reversePixels = !me._reversePixels; - } - } - getPixelForValue(value) { - const me = this; - if (typeof value !== 'number') { - value = me.parse(value); - } - return value === null ? NaN : me.getPixelForDecimal((value - me._startValue) / me._valueRange); - } - getPixelForTick(index) { - const me = this; - const ticks = me.ticks; - if (index < 0 || index > ticks.length - 1) { - return null; - } - return me.getPixelForValue(ticks[index].value); - } - getValueForPixel(pixel) { - const me = this; - return Math.round(me._startValue + me.getDecimalForPixel(pixel) * me._valueRange); - } - getBasePixel() { - return this.bottom; - } -} -CategoryScale.id = 'category'; -CategoryScale.defaults = { - ticks: { - callback: CategoryScale.prototype.getLabelForValue - } -}; - -function generateTicks$1(generationOptions, dataRange) { - const ticks = []; - const MIN_SPACING = 1e-14; - const {bounds, step, min, max, precision, count, maxTicks, maxDigits, includeBounds} = generationOptions; - const unit = step || 1; - const maxSpaces = maxTicks - 1; - const {min: rmin, max: rmax} = dataRange; - const minDefined = !isNullOrUndef(min); - const maxDefined = !isNullOrUndef(max); - const countDefined = !isNullOrUndef(count); - const minSpacing = (rmax - rmin) / (maxDigits + 1); - let spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit; - let factor, niceMin, niceMax, numSpaces; - if (spacing < MIN_SPACING && !minDefined && !maxDefined) { - return [{value: rmin}, {value: rmax}]; - } - numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); - if (numSpaces > maxSpaces) { - spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit; - } - if (!isNullOrUndef(precision)) { - factor = Math.pow(10, precision); - spacing = Math.ceil(spacing * factor) / factor; - } - if (bounds === 'ticks') { - niceMin = Math.floor(rmin / spacing) * spacing; - niceMax = Math.ceil(rmax / spacing) * spacing; - } else { - niceMin = rmin; - niceMax = rmax; - } - if (minDefined && maxDefined && step && almostWhole((max - min) / step, spacing / 1000)) { - numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks)); - spacing = (max - min) / numSpaces; - niceMin = min; - niceMax = max; - } else if (countDefined) { - niceMin = minDefined ? min : niceMin; - niceMax = maxDefined ? max : niceMax; - numSpaces = count - 1; - spacing = (niceMax - niceMin) / numSpaces; - } else { - numSpaces = (niceMax - niceMin) / spacing; - if (almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { - numSpaces = Math.round(numSpaces); - } else { - numSpaces = Math.ceil(numSpaces); - } - } - const decimalPlaces = Math.max( - _decimalPlaces(spacing), - _decimalPlaces(niceMin) - ); - factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision); - niceMin = Math.round(niceMin * factor) / factor; - niceMax = Math.round(niceMax * factor) / factor; - let j = 0; - if (minDefined) { - if (includeBounds && niceMin !== min) { - ticks.push({value: min}); - if (niceMin < min) { - j++; - } - if (almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) { - j++; - } - } else if (niceMin < min) { - j++; - } - } - for (; j < numSpaces; ++j) { - ticks.push({value: Math.round((niceMin + j * spacing) * factor) / factor}); - } - if (maxDefined && includeBounds && niceMax !== max) { - if (almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) { - ticks[ticks.length - 1].value = max; - } else { - ticks.push({value: max}); - } - } else if (!maxDefined || niceMax === max) { - ticks.push({value: niceMax}); - } - return ticks; -} -function relativeLabelSize(value, minSpacing, {horizontal, minRotation}) { - const rad = toRadians(minRotation); - const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001; - const length = 0.75 * minSpacing * ('' + value).length; - return Math.min(minSpacing / ratio, length); -} -class LinearScaleBase extends Scale { - constructor(cfg) { - super(cfg); - this.start = undefined; - this.end = undefined; - this._startValue = undefined; - this._endValue = undefined; - this._valueRange = 0; - } - parse(raw, index) { - if (isNullOrUndef(raw)) { - return null; - } - if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) { - return null; - } - return +raw; - } - handleTickRangeOptions() { - const me = this; - const {beginAtZero} = me.options; - const {minDefined, maxDefined} = me.getUserBounds(); - let {min, max} = me; - const setMin = v => (min = minDefined ? min : v); - const setMax = v => (max = maxDefined ? max : v); - if (beginAtZero) { - const minSign = sign(min); - const maxSign = sign(max); - if (minSign < 0 && maxSign < 0) { - setMax(0); - } else if (minSign > 0 && maxSign > 0) { - setMin(0); - } - } - if (min === max) { - let offset = 1; - if (max >= Number.MAX_SAFE_INTEGER || min <= Number.MIN_SAFE_INTEGER) { - offset = Math.abs(max * 0.05); - } - setMax(max + offset); - if (!beginAtZero) { - setMin(min - offset); - } - } - me.min = min; - me.max = max; - } - getTickLimit() { - const me = this; - const tickOpts = me.options.ticks; - let {maxTicksLimit, stepSize} = tickOpts; - let maxTicks; - if (stepSize) { - maxTicks = Math.ceil(me.max / stepSize) - Math.floor(me.min / stepSize) + 1; - } else { - maxTicks = me.computeTickLimit(); - maxTicksLimit = maxTicksLimit || 11; - } - if (maxTicksLimit) { - maxTicks = Math.min(maxTicksLimit, maxTicks); - } - return maxTicks; - } - computeTickLimit() { - return Number.POSITIVE_INFINITY; - } - buildTicks() { - const me = this; - const opts = me.options; - const tickOpts = opts.ticks; - let maxTicks = me.getTickLimit(); - maxTicks = Math.max(2, maxTicks); - const numericGeneratorOptions = { - maxTicks, - bounds: opts.bounds, - min: opts.min, - max: opts.max, - precision: tickOpts.precision, - step: tickOpts.stepSize, - count: tickOpts.count, - maxDigits: me._maxDigits(), - horizontal: me.isHorizontal(), - minRotation: tickOpts.minRotation || 0, - includeBounds: tickOpts.includeBounds !== false - }; - const dataRange = me._range || me; - const ticks = generateTicks$1(numericGeneratorOptions, dataRange); - if (opts.bounds === 'ticks') { - _setMinAndMaxByKey(ticks, me, 'value'); - } - if (opts.reverse) { - ticks.reverse(); - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - return ticks; - } - configure() { - const me = this; - const ticks = me.ticks; - let start = me.min; - let end = me.max; - super.configure(); - if (me.options.offset && ticks.length) { - const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2; - start -= offset; - end += offset; - } - me._startValue = start; - me._endValue = end; - me._valueRange = end - start; - } - getLabelForValue(value) { - return formatNumber(value, this.chart.options.locale); - } -} - -class LinearScale extends LinearScaleBase { - determineDataLimits() { - const me = this; - const {min, max} = me.getMinMax(true); - me.min = isNumberFinite(min) ? min : 0; - me.max = isNumberFinite(max) ? max : 1; - me.handleTickRangeOptions(); - } - computeTickLimit() { - const me = this; - const horizontal = me.isHorizontal(); - const length = horizontal ? me.width : me.height; - const minRotation = toRadians(me.options.ticks.minRotation); - const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001; - const tickFont = me._resolveTickFontOptions(0); - return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio)); - } - getPixelForValue(value) { - return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); - } - getValueForPixel(pixel) { - return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange; - } -} -LinearScale.id = 'linear'; -LinearScale.defaults = { - ticks: { - callback: Ticks.formatters.numeric - } -}; - -function isMajor(tickVal) { - const remain = tickVal / (Math.pow(10, Math.floor(log10(tickVal)))); - return remain === 1; -} -function generateTicks(generationOptions, dataRange) { - const endExp = Math.floor(log10(dataRange.max)); - const endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); - const ticks = []; - let tickVal = finiteOrDefault(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min)))); - let exp = Math.floor(log10(tickVal)); - let significand = Math.floor(tickVal / Math.pow(10, exp)); - let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; - do { - ticks.push({value: tickVal, major: isMajor(tickVal)}); - ++significand; - if (significand === 10) { - significand = 1; - ++exp; - precision = exp >= 0 ? 1 : precision; - } - tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; - } while (exp < endExp || (exp === endExp && significand < endSignificand)); - const lastTick = finiteOrDefault(generationOptions.max, tickVal); - ticks.push({value: lastTick, major: isMajor(tickVal)}); - return ticks; -} -class LogarithmicScale extends Scale { - constructor(cfg) { - super(cfg); - this.start = undefined; - this.end = undefined; - this._startValue = undefined; - this._valueRange = 0; - } - parse(raw, index) { - const value = LinearScaleBase.prototype.parse.apply(this, [raw, index]); - if (value === 0) { - this._zero = true; - return undefined; - } - return isNumberFinite(value) && value > 0 ? value : null; - } - determineDataLimits() { - const me = this; - const {min, max} = me.getMinMax(true); - me.min = isNumberFinite(min) ? Math.max(0, min) : null; - me.max = isNumberFinite(max) ? Math.max(0, max) : null; - if (me.options.beginAtZero) { - me._zero = true; - } - me.handleTickRangeOptions(); - } - handleTickRangeOptions() { - const me = this; - const {minDefined, maxDefined} = me.getUserBounds(); - let min = me.min; - let max = me.max; - const setMin = v => (min = minDefined ? min : v); - const setMax = v => (max = maxDefined ? max : v); - const exp = (v, m) => Math.pow(10, Math.floor(log10(v)) + m); - if (min === max) { - if (min <= 0) { - setMin(1); - setMax(10); - } else { - setMin(exp(min, -1)); - setMax(exp(max, +1)); - } - } - if (min <= 0) { - setMin(exp(max, -1)); - } - if (max <= 0) { - setMax(exp(min, +1)); - } - if (me._zero && me.min !== me._suggestedMin && min === exp(me.min, 0)) { - setMin(exp(min, -1)); - } - me.min = min; - me.max = max; - } - buildTicks() { - const me = this; - const opts = me.options; - const generationOptions = { - min: me._userMin, - max: me._userMax - }; - const ticks = generateTicks(generationOptions, me); - if (opts.bounds === 'ticks') { - _setMinAndMaxByKey(ticks, me, 'value'); - } - if (opts.reverse) { - ticks.reverse(); - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - return ticks; - } - getLabelForValue(value) { - return value === undefined ? '0' : formatNumber(value, this.chart.options.locale); - } - configure() { - const me = this; - const start = me.min; - super.configure(); - me._startValue = log10(start); - me._valueRange = log10(me.max) - log10(start); - } - getPixelForValue(value) { - const me = this; - if (value === undefined || value === 0) { - value = me.min; - } - if (value === null || isNaN(value)) { - return NaN; - } - return me.getPixelForDecimal(value === me.min - ? 0 - : (log10(value) - me._startValue) / me._valueRange); - } - getValueForPixel(pixel) { - const me = this; - const decimal = me.getDecimalForPixel(pixel); - return Math.pow(10, me._startValue + decimal * me._valueRange); - } -} -LogarithmicScale.id = 'logarithmic'; -LogarithmicScale.defaults = { - ticks: { - callback: Ticks.formatters.logarithmic, - major: { - enabled: true - } - } -}; - -function getTickBackdropHeight(opts) { - const tickOpts = opts.ticks; - if (tickOpts.display && opts.display) { - const padding = toPadding(tickOpts.backdropPadding); - return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height; - } - return 0; -} -function measureLabelSize(ctx, font, label) { - label = isArray(label) ? label : [label]; - return { - w: _longestText(ctx, font.string, label), - h: label.length * font.lineHeight - }; -} -function determineLimits(angle, pos, size, min, max) { - if (angle === min || angle === max) { - return { - start: pos - (size / 2), - end: pos + (size / 2) - }; - } else if (angle < min || angle > max) { - return { - start: pos - size, - end: pos - }; - } - return { - start: pos, - end: pos + size - }; -} -function fitWithPointLabels(scale) { - const furthestLimits = { - l: 0, - r: scale.width, - t: 0, - b: scale.height - scale.paddingTop - }; - const furthestAngles = {}; - const labelSizes = []; - const padding = []; - const valueCount = scale.getLabels().length; - for (let i = 0; i < valueCount; i++) { - const opts = scale.options.pointLabels.setContext(scale.getPointLabelContext(i)); - padding[i] = opts.padding; - const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i]); - const plFont = toFont(opts.font); - const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]); - labelSizes[i] = textSize; - const angleRadians = scale.getIndexAngle(i); - const angle = toDegrees(angleRadians); - const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); - const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); - if (hLimits.start < furthestLimits.l) { - furthestLimits.l = hLimits.start; - furthestAngles.l = angleRadians; - } - if (hLimits.end > furthestLimits.r) { - furthestLimits.r = hLimits.end; - furthestAngles.r = angleRadians; - } - if (vLimits.start < furthestLimits.t) { - furthestLimits.t = vLimits.start; - furthestAngles.t = angleRadians; - } - if (vLimits.end > furthestLimits.b) { - furthestLimits.b = vLimits.end; - furthestAngles.b = angleRadians; - } - } - scale._setReductions(scale.drawingArea, furthestLimits, furthestAngles); - scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding); -} -function buildPointLabelItems(scale, labelSizes, padding) { - const items = []; - const valueCount = scale.getLabels().length; - const opts = scale.options; - const tickBackdropHeight = getTickBackdropHeight(opts); - const outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max); - for (let i = 0; i < valueCount; i++) { - const extra = (i === 0 ? tickBackdropHeight / 2 : 0); - const pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + padding[i]); - const angle = toDegrees(scale.getIndexAngle(i)); - const size = labelSizes[i]; - const y = yForAngle(pointLabelPosition.y, size.h, angle); - const textAlign = getTextAlignForAngle(angle); - const left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign); - items.push({ - x: pointLabelPosition.x, - y, - textAlign, - left, - top: y, - right: left + size.w, - bottom: y + size.h - }); - } - return items; -} -function getTextAlignForAngle(angle) { - if (angle === 0 || angle === 180) { - return 'center'; - } else if (angle < 180) { - return 'left'; - } - return 'right'; -} -function leftForTextAlign(x, w, align) { - if (align === 'right') { - x -= w; - } else if (align === 'center') { - x -= (w / 2); - } - return x; -} -function yForAngle(y, h, angle) { - if (angle === 90 || angle === 270) { - y -= (h / 2); - } else if (angle > 270 || angle < 90) { - y -= h; - } - return y; -} -function drawPointLabels(scale, labelCount) { - const {ctx, options: {pointLabels}} = scale; - for (let i = labelCount - 1; i >= 0; i--) { - const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i)); - const plFont = toFont(optsAtIndex.font); - const {x, y, textAlign, left, top, right, bottom} = scale._pointLabelItems[i]; - const {backdropColor} = optsAtIndex; - if (!isNullOrUndef(backdropColor)) { - const padding = toPadding(optsAtIndex.backdropPadding); - ctx.fillStyle = backdropColor; - ctx.fillRect(left - padding.left, top - padding.top, right - left + padding.width, bottom - top + padding.height); - } - renderText( - ctx, - scale._pointLabels[i], - x, - y + (plFont.lineHeight / 2), - plFont, - { - color: optsAtIndex.color, - textAlign: textAlign, - textBaseline: 'middle' - } - ); - } -} -function pathRadiusLine(scale, radius, circular, labelCount) { - const {ctx} = scale; - if (circular) { - ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU); - } else { - let pointPosition = scale.getPointPosition(0, radius); - ctx.moveTo(pointPosition.x, pointPosition.y); - for (let i = 1; i < labelCount; i++) { - pointPosition = scale.getPointPosition(i, radius); - ctx.lineTo(pointPosition.x, pointPosition.y); - } - } -} -function drawRadiusLine(scale, gridLineOpts, radius, labelCount) { - const ctx = scale.ctx; - const circular = gridLineOpts.circular; - const {color, lineWidth} = gridLineOpts; - if ((!circular && !labelCount) || !color || !lineWidth || radius < 0) { - return; - } - ctx.save(); - ctx.strokeStyle = color; - ctx.lineWidth = lineWidth; - ctx.setLineDash(gridLineOpts.borderDash); - ctx.lineDashOffset = gridLineOpts.borderDashOffset; - ctx.beginPath(); - pathRadiusLine(scale, radius, circular, labelCount); - ctx.closePath(); - ctx.stroke(); - ctx.restore(); -} -function numberOrZero(param) { - return isNumber(param) ? param : 0; -} -function createPointLabelContext(parent, index, label) { - return Object.assign(Object.create(parent), { - label, - index, - type: 'pointLabel' - }); -} -class RadialLinearScale extends LinearScaleBase { - constructor(cfg) { - super(cfg); - this.xCenter = undefined; - this.yCenter = undefined; - this.drawingArea = undefined; - this._pointLabels = []; - this._pointLabelItems = []; - } - setDimensions() { - const me = this; - me.width = me.maxWidth; - me.height = me.maxHeight; - me.paddingTop = getTickBackdropHeight(me.options) / 2; - me.xCenter = Math.floor(me.width / 2); - me.yCenter = Math.floor((me.height - me.paddingTop) / 2); - me.drawingArea = Math.min(me.height - me.paddingTop, me.width) / 2; - } - determineDataLimits() { - const me = this; - const {min, max} = me.getMinMax(false); - me.min = isNumberFinite(min) && !isNaN(min) ? min : 0; - me.max = isNumberFinite(max) && !isNaN(max) ? max : 0; - me.handleTickRangeOptions(); - } - computeTickLimit() { - return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); - } - generateTickLabels(ticks) { - const me = this; - LinearScaleBase.prototype.generateTickLabels.call(me, ticks); - me._pointLabels = me.getLabels().map((value, index) => { - const label = callback(me.options.pointLabels.callback, [value, index], me); - return label || label === 0 ? label : ''; - }); - } - fit() { - const me = this; - const opts = me.options; - if (opts.display && opts.pointLabels.display) { - fitWithPointLabels(me); - } else { - me.setCenterPoint(0, 0, 0, 0); - } - } - _setReductions(largestPossibleRadius, furthestLimits, furthestAngles) { - const me = this; - let radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l); - let radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r); - let radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t); - let radiusReductionBottom = -Math.max(furthestLimits.b - (me.height - me.paddingTop), 0) / Math.cos(furthestAngles.b); - radiusReductionLeft = numberOrZero(radiusReductionLeft); - radiusReductionRight = numberOrZero(radiusReductionRight); - radiusReductionTop = numberOrZero(radiusReductionTop); - radiusReductionBottom = numberOrZero(radiusReductionBottom); - me.drawingArea = Math.max(largestPossibleRadius / 2, Math.min( - Math.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), - Math.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2))); - me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom); - } - setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) { - const me = this; - const maxRight = me.width - rightMovement - me.drawingArea; - const maxLeft = leftMovement + me.drawingArea; - const maxTop = topMovement + me.drawingArea; - const maxBottom = (me.height - me.paddingTop) - bottomMovement - me.drawingArea; - me.xCenter = Math.floor(((maxLeft + maxRight) / 2) + me.left); - me.yCenter = Math.floor(((maxTop + maxBottom) / 2) + me.top + me.paddingTop); - } - getIndexAngle(index) { - const angleMultiplier = TAU / this.getLabels().length; - const startAngle = this.options.startAngle || 0; - return _normalizeAngle(index * angleMultiplier + toRadians(startAngle)); - } - getDistanceFromCenterForValue(value) { - const me = this; - if (isNullOrUndef(value)) { - return NaN; - } - const scalingFactor = me.drawingArea / (me.max - me.min); - if (me.options.reverse) { - return (me.max - value) * scalingFactor; - } - return (value - me.min) * scalingFactor; - } - getValueForDistanceFromCenter(distance) { - if (isNullOrUndef(distance)) { - return NaN; - } - const me = this; - const scaledDistance = distance / (me.drawingArea / (me.max - me.min)); - return me.options.reverse ? me.max - scaledDistance : me.min + scaledDistance; - } - getPointLabelContext(index) { - const me = this; - const pointLabels = me._pointLabels || []; - if (index >= 0 && index < pointLabels.length) { - const pointLabel = pointLabels[index]; - return createPointLabelContext(me.getContext(), index, pointLabel); - } - } - getPointPosition(index, distanceFromCenter) { - const me = this; - const angle = me.getIndexAngle(index) - HALF_PI; - return { - x: Math.cos(angle) * distanceFromCenter + me.xCenter, - y: Math.sin(angle) * distanceFromCenter + me.yCenter, - angle - }; - } - getPointPositionForValue(index, value) { - return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); - } - getBasePosition(index) { - return this.getPointPositionForValue(index || 0, this.getBaseValue()); - } - getPointLabelPosition(index) { - const {left, top, right, bottom} = this._pointLabelItems[index]; - return { - left, - top, - right, - bottom, - }; - } - drawBackground() { - const me = this; - const {backgroundColor, grid: {circular}} = me.options; - if (backgroundColor) { - const ctx = me.ctx; - ctx.save(); - ctx.beginPath(); - pathRadiusLine(me, me.getDistanceFromCenterForValue(me._endValue), circular, me.getLabels().length); - ctx.closePath(); - ctx.fillStyle = backgroundColor; - ctx.fill(); - ctx.restore(); - } - } - drawGrid() { - const me = this; - const ctx = me.ctx; - const opts = me.options; - const {angleLines, grid} = opts; - const labelCount = me.getLabels().length; - let i, offset, position; - if (opts.pointLabels.display) { - drawPointLabels(me, labelCount); - } - if (grid.display) { - me.ticks.forEach((tick, index) => { - if (index !== 0) { - offset = me.getDistanceFromCenterForValue(tick.value); - const optsAtIndex = grid.setContext(me.getContext(index - 1)); - drawRadiusLine(me, optsAtIndex, offset, labelCount); - } - }); - } - if (angleLines.display) { - ctx.save(); - for (i = me.getLabels().length - 1; i >= 0; i--) { - const optsAtIndex = angleLines.setContext(me.getPointLabelContext(i)); - const {color, lineWidth} = optsAtIndex; - if (!lineWidth || !color) { - continue; - } - ctx.lineWidth = lineWidth; - ctx.strokeStyle = color; - ctx.setLineDash(optsAtIndex.borderDash); - ctx.lineDashOffset = optsAtIndex.borderDashOffset; - offset = me.getDistanceFromCenterForValue(opts.ticks.reverse ? me.min : me.max); - position = me.getPointPosition(i, offset); - ctx.beginPath(); - ctx.moveTo(me.xCenter, me.yCenter); - ctx.lineTo(position.x, position.y); - ctx.stroke(); - } - ctx.restore(); - } - } - drawBorder() {} - drawLabels() { - const me = this; - const ctx = me.ctx; - const opts = me.options; - const tickOpts = opts.ticks; - if (!tickOpts.display) { - return; - } - const startAngle = me.getIndexAngle(0); - let offset, width; - ctx.save(); - ctx.translate(me.xCenter, me.yCenter); - ctx.rotate(startAngle); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - me.ticks.forEach((tick, index) => { - if (index === 0 && !opts.reverse) { - return; - } - const optsAtIndex = tickOpts.setContext(me.getContext(index)); - const tickFont = toFont(optsAtIndex.font); - offset = me.getDistanceFromCenterForValue(me.ticks[index].value); - if (optsAtIndex.showLabelBackdrop) { - ctx.font = tickFont.string; - width = ctx.measureText(tick.label).width; - ctx.fillStyle = optsAtIndex.backdropColor; - const padding = toPadding(optsAtIndex.backdropPadding); - ctx.fillRect( - -width / 2 - padding.left, - -offset - tickFont.size / 2 - padding.top, - width + padding.width, - tickFont.size + padding.height - ); - } - renderText(ctx, tick.label, 0, -offset, tickFont, { - color: optsAtIndex.color, - }); - }); - ctx.restore(); - } - drawTitle() {} -} -RadialLinearScale.id = 'radialLinear'; -RadialLinearScale.defaults = { - display: true, - animate: true, - position: 'chartArea', - angleLines: { - display: true, - lineWidth: 1, - borderDash: [], - borderDashOffset: 0.0 - }, - grid: { - circular: false - }, - startAngle: 0, - ticks: { - showLabelBackdrop: true, - callback: Ticks.formatters.numeric - }, - pointLabels: { - backdropColor: undefined, - backdropPadding: 2, - display: true, - font: { - size: 10 - }, - callback(label) { - return label; - }, - padding: 5 - } -}; -RadialLinearScale.defaultRoutes = { - 'angleLines.color': 'borderColor', - 'pointLabels.color': 'color', - 'ticks.color': 'color' -}; -RadialLinearScale.descriptors = { - angleLines: { - _fallback: 'grid' - } -}; - -const INTERVALS = { - millisecond: {common: true, size: 1, steps: 1000}, - second: {common: true, size: 1000, steps: 60}, - minute: {common: true, size: 60000, steps: 60}, - hour: {common: true, size: 3600000, steps: 24}, - day: {common: true, size: 86400000, steps: 30}, - week: {common: false, size: 604800000, steps: 4}, - month: {common: true, size: 2.628e9, steps: 12}, - quarter: {common: false, size: 7.884e9, steps: 4}, - year: {common: true, size: 3.154e10} -}; -const UNITS = (Object.keys(INTERVALS)); -function sorter(a, b) { - return a - b; -} -function parse(scale, input) { - if (isNullOrUndef(input)) { - return null; - } - const adapter = scale._adapter; - const {parser, round, isoWeekday} = scale._parseOpts; - let value = input; - if (typeof parser === 'function') { - value = parser(value); - } - if (!isNumberFinite(value)) { - value = typeof parser === 'string' - ? adapter.parse(value, parser) - : adapter.parse(value); - } - if (value === null) { - return null; - } - if (round) { - value = round === 'week' && (isNumber(isoWeekday) || isoWeekday === true) - ? adapter.startOf(value, 'isoWeek', isoWeekday) - : adapter.startOf(value, round); - } - return +value; -} -function determineUnitForAutoTicks(minUnit, min, max, capacity) { - const ilen = UNITS.length; - for (let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { - const interval = INTERVALS[UNITS[i]]; - const factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER; - if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { - return UNITS[i]; - } - } - return UNITS[ilen - 1]; -} -function determineUnitForFormatting(scale, numTicks, minUnit, min, max) { - for (let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) { - const unit = UNITS[i]; - if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) { - return unit; - } - } - return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; -} -function determineMajorUnit(unit) { - for (let i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { - if (INTERVALS[UNITS[i]].common) { - return UNITS[i]; - } - } -} -function addTick(ticks, time, timestamps) { - if (!timestamps) { - ticks[time] = true; - } else if (timestamps.length) { - const {lo, hi} = _lookup(timestamps, time); - const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi]; - ticks[timestamp] = true; - } -} -function setMajorTicks(scale, ticks, map, majorUnit) { - const adapter = scale._adapter; - const first = +adapter.startOf(ticks[0].value, majorUnit); - const last = ticks[ticks.length - 1].value; - let major, index; - for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) { - index = map[major]; - if (index >= 0) { - ticks[index].major = true; - } - } - return ticks; -} -function ticksFromTimestamps(scale, values, majorUnit) { - const ticks = []; - const map = {}; - const ilen = values.length; - let i, value; - for (i = 0; i < ilen; ++i) { - value = values[i]; - map[value] = i; - ticks.push({ - value, - major: false - }); - } - return (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit); -} -class TimeScale extends Scale { - constructor(props) { - super(props); - this._cache = { - data: [], - labels: [], - all: [] - }; - this._unit = 'day'; - this._majorUnit = undefined; - this._offsets = {}; - this._normalized = false; - this._parseOpts = undefined; - } - init(scaleOpts, opts) { - const time = scaleOpts.time || (scaleOpts.time = {}); - const adapter = this._adapter = new _adapters._date(scaleOpts.adapters.date); - mergeIf(time.displayFormats, adapter.formats()); - this._parseOpts = { - parser: time.parser, - round: time.round, - isoWeekday: time.isoWeekday - }; - super.init(scaleOpts); - this._normalized = opts.normalized; - } - parse(raw, index) { - if (raw === undefined) { - return null; - } - return parse(this, raw); - } - beforeLayout() { - super.beforeLayout(); - this._cache = { - data: [], - labels: [], - all: [] - }; - } - determineDataLimits() { - const me = this; - const options = me.options; - const adapter = me._adapter; - const unit = options.time.unit || 'day'; - let {min, max, minDefined, maxDefined} = me.getUserBounds(); - function _applyBounds(bounds) { - if (!minDefined && !isNaN(bounds.min)) { - min = Math.min(min, bounds.min); - } - if (!maxDefined && !isNaN(bounds.max)) { - max = Math.max(max, bounds.max); - } - } - if (!minDefined || !maxDefined) { - _applyBounds(me._getLabelBounds()); - if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') { - _applyBounds(me.getMinMax(false)); - } - } - min = isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit); - max = isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1; - me.min = Math.min(min, max - 1); - me.max = Math.max(min + 1, max); - } - _getLabelBounds() { - const arr = this.getLabelTimestamps(); - let min = Number.POSITIVE_INFINITY; - let max = Number.NEGATIVE_INFINITY; - if (arr.length) { - min = arr[0]; - max = arr[arr.length - 1]; - } - return {min, max}; - } - buildTicks() { - const me = this; - const options = me.options; - const timeOpts = options.time; - const tickOpts = options.ticks; - const timestamps = tickOpts.source === 'labels' ? me.getLabelTimestamps() : me._generate(); - if (options.bounds === 'ticks' && timestamps.length) { - me.min = me._userMin || timestamps[0]; - me.max = me._userMax || timestamps[timestamps.length - 1]; - } - const min = me.min; - const max = me.max; - const ticks = _filterBetween(timestamps, min, max); - me._unit = timeOpts.unit || (tickOpts.autoSkip - ? determineUnitForAutoTicks(timeOpts.minUnit, me.min, me.max, me._getLabelCapacity(min)) - : determineUnitForFormatting(me, ticks.length, timeOpts.minUnit, me.min, me.max)); - me._majorUnit = !tickOpts.major.enabled || me._unit === 'year' ? undefined - : determineMajorUnit(me._unit); - me.initOffsets(timestamps); - if (options.reverse) { - ticks.reverse(); - } - return ticksFromTimestamps(me, ticks, me._majorUnit); - } - initOffsets(timestamps) { - const me = this; - let start = 0; - let end = 0; - let first, last; - if (me.options.offset && timestamps.length) { - first = me.getDecimalForValue(timestamps[0]); - if (timestamps.length === 1) { - start = 1 - first; - } else { - start = (me.getDecimalForValue(timestamps[1]) - first) / 2; - } - last = me.getDecimalForValue(timestamps[timestamps.length - 1]); - if (timestamps.length === 1) { - end = last; - } else { - end = (last - me.getDecimalForValue(timestamps[timestamps.length - 2])) / 2; - } - } - const limit = timestamps.length < 3 ? 0.5 : 0.25; - start = _limitValue(start, 0, limit); - end = _limitValue(end, 0, limit); - me._offsets = {start, end, factor: 1 / (start + 1 + end)}; - } - _generate() { - const me = this; - const adapter = me._adapter; - const min = me.min; - const max = me.max; - const options = me.options; - const timeOpts = options.time; - const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, me._getLabelCapacity(min)); - const stepSize = valueOrDefault(timeOpts.stepSize, 1); - const weekday = minor === 'week' ? timeOpts.isoWeekday : false; - const hasWeekday = isNumber(weekday) || weekday === true; - const ticks = {}; - let first = min; - let time, count; - if (hasWeekday) { - first = +adapter.startOf(first, 'isoWeek', weekday); - } - first = +adapter.startOf(first, hasWeekday ? 'day' : minor); - if (adapter.diff(max, min, minor) > 100000 * stepSize) { - throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor); - } - const timestamps = options.ticks.source === 'data' && me.getDataTimestamps(); - for (time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++) { - addTick(ticks, time, timestamps); - } - if (time === max || options.bounds === 'ticks' || count === 1) { - addTick(ticks, time, timestamps); - } - return Object.keys(ticks).sort((a, b) => a - b).map(x => +x); - } - getLabelForValue(value) { - const me = this; - const adapter = me._adapter; - const timeOpts = me.options.time; - if (timeOpts.tooltipFormat) { - return adapter.format(value, timeOpts.tooltipFormat); - } - return adapter.format(value, timeOpts.displayFormats.datetime); - } - _tickFormatFunction(time, index, ticks, format) { - const me = this; - const options = me.options; - const formats = options.time.displayFormats; - const unit = me._unit; - const majorUnit = me._majorUnit; - const minorFormat = unit && formats[unit]; - const majorFormat = majorUnit && formats[majorUnit]; - const tick = ticks[index]; - const major = majorUnit && majorFormat && tick && tick.major; - const label = me._adapter.format(time, format || (major ? majorFormat : minorFormat)); - const formatter = options.ticks.callback; - return formatter ? callback(formatter, [label, index, ticks], me) : label; - } - generateTickLabels(ticks) { - let i, ilen, tick; - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - tick = ticks[i]; - tick.label = this._tickFormatFunction(tick.value, i, ticks); - } - } - getDecimalForValue(value) { - const me = this; - return value === null ? NaN : (value - me.min) / (me.max - me.min); - } - getPixelForValue(value) { - const me = this; - const offsets = me._offsets; - const pos = me.getDecimalForValue(value); - return me.getPixelForDecimal((offsets.start + pos) * offsets.factor); - } - getValueForPixel(pixel) { - const me = this; - const offsets = me._offsets; - const pos = me.getDecimalForPixel(pixel) / offsets.factor - offsets.end; - return me.min + pos * (me.max - me.min); - } - _getLabelSize(label) { - const me = this; - const ticksOpts = me.options.ticks; - const tickLabelWidth = me.ctx.measureText(label).width; - const angle = toRadians(me.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation); - const cosRotation = Math.cos(angle); - const sinRotation = Math.sin(angle); - const tickFontSize = me._resolveTickFontOptions(0).size; - return { - w: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation), - h: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation) - }; - } - 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me.normalize(timestamps)); - } - getLabelTimestamps() { - const me = this; - const timestamps = me._cache.labels || []; - let i, ilen; - if (timestamps.length) { - return timestamps; - } - const labels = me.getLabels(); - for (i = 0, ilen = labels.length; i < ilen; ++i) { - timestamps.push(parse(me, labels[i])); - } - return (me._cache.labels = me._normalized ? timestamps : me.normalize(timestamps)); - } - normalize(values) { - return _arrayUnique(values.sort(sorter)); - } -} -TimeScale.id = 'time'; -TimeScale.defaults = { - bounds: 'data', - adapters: {}, - time: { - parser: false, - unit: false, - round: false, - isoWeekday: false, - minUnit: 'millisecond', - displayFormats: {} - }, - ticks: { - source: 'auto', - major: { - enabled: false - } - } -}; - -function interpolate(table, val, reverse) { - let lo = 0; - let hi = table.length - 1; - let prevSource, nextSource, prevTarget, nextTarget; - if (reverse) { - if (val >= table[lo].pos && val <= table[hi].pos) { - ({lo, hi} = _lookupByKey(table, 'pos', val)); - } - ({pos: prevSource, time: prevTarget} = table[lo]); - ({pos: nextSource, time: nextTarget} = table[hi]); - } else { - if (val >= table[lo].time && val <= table[hi].time) { - ({lo, hi} = _lookupByKey(table, 'time', val)); - } - ({time: prevSource, pos: prevTarget} = table[lo]); - ({time: nextSource, pos: nextTarget} = table[hi]); - } - const span = nextSource - prevSource; - return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget; -} -class TimeSeriesScale extends TimeScale { - constructor(props) { - super(props); - this._table = []; - this._minPos = undefined; - this._tableRange = undefined; - } - initOffsets() { - const me = this; - const timestamps = me._getTimestampsForTable(); - const table = me._table = me.buildLookupTable(timestamps); - me._minPos = interpolate(table, me.min); - me._tableRange = interpolate(table, me.max) - me._minPos; - super.initOffsets(timestamps); - } - buildLookupTable(timestamps) { 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o,a,r,l,h,c;for(o=0,a=t.length,h=0;ot.box.fullSize)),!0),s=Zi(Ki(e,"left"),!0),n=Zi(Ki(e,"right")),o=Zi(Ki(e,"top"),!0),a=Zi(Ki(e,"bottom")),r=Gi(e,"x"),l=Gi(e,"y");return{fullSize:i,leftAndTop:s.concat(o),rightAndBottom:n.concat(l).concat(a).concat(r),chartArea:Ki(e,"chartArea"),vertical:s.concat(n).concat(l),horizontal:o.concat(a).concat(r)}}(t.boxes),l=r.vertical,h=r.horizontal;u(t.boxes,(t=>{"function"==typeof t.beforeLayout&&t.beforeLayout()}));const c=l.reduce(((t,e)=>e.box.options&&!1===e.box.options.display?t:t+1),0)||1,d=Object.freeze({outerWidth:e,outerHeight:i,padding:n,availableWidth:o,availableHeight:a,vBoxMaxWidth:o/2/c,hBoxMaxHeight:a/2}),f=Object.assign({},n);ts(f,ki(s));const g=Object.assign({maxPadding:f,w:o,h:a,x:n.left,y:n.top},n),p=Ji(l.concat(h),d);ss(r.fullSize,g,d,p),ss(l,g,d,p),ss(h,g,d,p)&&ss(l,g,d,p),function(t){const e=t.maxPadding;function i(i){const s=Math.max(e[i]-t[i],0);return t[i]+=s,s}t.y+=i("top"),t.x+=i("left"),i("right"),i("bottom")}(g),os(r.leftAndTop,g,d,p),g.x+=g.w,g.y+=g.h,os(r.rightAndBottom,g,d,p),t.chartArea={left:g.left,top:g.top,right:g.left+g.w,bottom:g.top+g.h,height:g.h,width:g.w},u(r.chartArea,(e=>{const i=e.box;Object.assign(i,t.chartArea),i.update(g.w,g.h,{left:0,top:0,right:0,bottom:0})}))}};class rs{acquireContext(t,e){}releaseContext(t){return!1}addEventListener(t,e,i){}removeEventListener(t,e,i){}getDevicePixelRatio(){return 1}getMaximumSize(t,e,i,s){return e=Math.max(0,e||t.width),i=i||t.height,{width:e,height:Math.max(0,s?Math.floor(e/s):i)}}isAttached(t){return!0}updateConfig(t){}}class ls extends rs{acquireContext(t){return t&&t.getContext&&t.getContext("2d")||null}updateConfig(t){t.options.animation=!1}}const hs="$chartjs",cs={touchstart:"mousedown",touchmove:"mousemove",touchend:"mouseup",pointerenter:"mouseenter",pointerdown:"mousedown",pointermove:"mousemove",pointerup:"mouseup",pointerleave:"mouseout",pointerout:"mouseout"},ds=t=>null===t||""===t;const us=!!Se&&{passive:!0};function fs(t,e,i){t.canvas.removeEventListener(e,i,us)}function gs(t,e){for(const i of t)if(i===e||i.contains(e))return!0}function ps(t,e,i){const s=t.canvas,n=new MutationObserver((t=>{let e=!1;for(const i of t)e=e||gs(i.addedNodes,s),e=e&&!gs(i.removedNodes,s);e&&i()}));return n.observe(document,{childList:!0,subtree:!0}),n}function ms(t,e,i){const s=t.canvas,n=new MutationObserver((t=>{let e=!1;for(const i of t)e=e||gs(i.removedNodes,s),e=e&&!gs(i.addedNodes,s);e&&i()}));return n.observe(document,{childList:!0,subtree:!0}),n}const bs=new Map;let xs=0;function _s(){const t=window.devicePixelRatio;t!==xs&&(xs=t,bs.forEach(((e,i)=>{i.currentDevicePixelRatio!==t&&e()})))}function ys(t,e,i){const s=t.canvas,n=s&&ge(s);if(!n)return;const o=ct(((t,e)=>{const s=n.clientWidth;i(t,e),s{const e=t[0],i=e.contentRect.width,s=e.contentRect.height;0===i&&0===s||o(i,s)}));return a.observe(n),function(t,e){bs.size||window.addEventListener("resize",_s),bs.set(t,e)}(t,o),a}function vs(t,e,i){i&&i.disconnect(),"resize"===e&&function(t){bs.delete(t),bs.size||window.removeEventListener("resize",_s)}(t)}function Ms(t,e,i){const s=t.canvas,n=ct((e=>{null!==t.ctx&&i(function(t,e){const i=cs[t.type]||t.type,{x:s,y:n}=ve(t,e);return{type:i,chart:e,native:t,x:void 0!==s?s:null,y:void 0!==n?n:null}}(e,t))}),t);return function(t,e,i){t.addEventListener(e,i,us)}(s,e,n),n}class ws extends rs{acquireContext(t,e){const i=t&&t.getContext&&t.getContext("2d");return i&&i.canvas===t?(function(t,e){const i=t.style,s=t.getAttribute("height"),n=t.getAttribute("width");if(t[hs]={initial:{height:s,width:n,style:{display:i.display,height:i.height,width:i.width}}},i.display=i.display||"block",i.boxSizing=i.boxSizing||"border-box",ds(n)){const e=Pe(t,"width");void 0!==e&&(t.width=e)}if(ds(s))if(""===t.style.height)t.height=t.width/(e||2);else{const e=Pe(t,"height");void 0!==e&&(t.height=e)}}(t,e),i):null}releaseContext(t){const e=t.canvas;if(!e[hs])return!1;const i=e[hs].initial;["height","width"].forEach((t=>{const n=i[t];s(n)?e.removeAttribute(t):e.setAttribute(t,n)}));const n=i.style||{};return Object.keys(n).forEach((t=>{e.style[t]=n[t]})),e.width=e.width,delete e[hs],!0}addEventListener(t,e,i){this.removeEventListener(t,e);const s=t.$proxies||(t.$proxies={}),n={attach:ps,detach:ms,resize:ys}[e]||Ms;s[e]=n(t,e,i)}removeEventListener(t,e){const i=t.$proxies||(t.$proxies={}),s=i[e];if(!s)return;({attach:vs,detach:vs,resize:vs}[e]||fs)(t,e,s),i[e]=void 0}getDevicePixelRatio(){return window.devicePixelRatio}getMaximumSize(t,e,i,s){return we(t,e,i,s)}isAttached(t){const e=ge(t);return!(!e||!e.isConnected)}}function ks(t){return!fe()||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas?ls:ws}var Ss=Object.freeze({__proto__:null,BasePlatform:rs,BasicPlatform:ls,DomPlatform:ws,_detectPlatform:ks});const Ps="transparent",Ds={boolean:(t,e,i)=>i>.5?e:t,color(t,e,i){const s=Qt(t||Ps),n=s.valid&&Qt(e||Ps);return n&&n.valid?n.mix(s,i).hexString():e},number:(t,e,i)=>t+(e-t)*i};class Cs{constructor(t,e,i,s){const n=e[i];s=Pi([t.to,s,n,t.from]);const o=Pi([t.from,n,s]);this._active=!0,this._fn=t.fn||Ds[t.type||typeof o],this._easing=fi[t.easing]||fi.linear,this._start=Math.floor(Date.now()+(t.delay||0)),this._duration=this._total=Math.floor(t.duration),this._loop=!!t.loop,this._target=e,this._prop=i,this._from=o,this._to=s,this._promises=void 0}active(){return this._active}update(t,e,i){if(this._active){this._notify(!1);const s=this._target[this._prop],n=i-this._start,o=this._duration-n;this._start=i,this._duration=Math.floor(Math.max(o,t.duration)),this._total+=n,this._loop=!!t.loop,this._to=Pi([t.to,e,s,t.from]),this._from=Pi([t.from,s,e])}}cancel(){this._active&&(this.tick(Date.now()),this._active=!1,this._notify(!1))}tick(t){const e=t-this._start,i=this._duration,s=this._prop,n=this._from,o=this._loop,a=this._to;let r;if(this._active=n!==a&&(o||e1?2-r:r,r=this._easing(Math.min(1,Math.max(0,r))),this._target[s]=this._fn(n,a,r))}wait(){const t=this._promises||(this._promises=[]);return new Promise(((e,i)=>{t.push({res:e,rej:i})}))}_notify(t){const e=t?"res":"rej",i=this._promises||[];for(let t=0;t{const a=t[s];if(!o(a))return;const r={};for(const t of e)r[t]=a[t];(n(a.properties)&&a.properties||[s]).forEach((t=>{t!==s&&i.has(t)||i.set(t,r)}))}))}_animateOptions(t,e){const i=e.options,s=function(t,e){if(!e)return;let i=t.options;if(!i)return void(t.options=e);i.$shared&&(t.options=i=Object.assign({},i,{$shared:!1,$animations:{}}));return i}(t,i);if(!s)return[];const n=this._createAnimations(s,i);return i.$shared&&function(t,e){const i=[],s=Object.keys(e);for(let e=0;e{t.options=i}),(()=>{})),n}_createAnimations(t,e){const i=this._properties,s=[],n=t.$animations||(t.$animations={}),o=Object.keys(e),a=Date.now();let r;for(r=o.length-1;r>=0;--r){const l=o[r];if("$"===l.charAt(0))continue;if("options"===l){s.push(...this._animateOptions(t,e));continue}const h=e[l];let c=n[l];const d=i.get(l);if(c){if(d&&c.active()){c.update(d,h,a);continue}c.cancel()}d&&d.duration?(n[l]=c=new Cs(d,t,l,h),s.push(c)):t[l]=h}return s}update(t,e){if(0===this._properties.size)return void Object.assign(t,e);const i=this._createAnimations(t,e);return i.length?(xt.add(this._chart,i),!0):void 0}}function As(t,e){const i=t&&t.options||{},s=i.reverse,n=void 0===i.min?e:0,o=void 0===i.max?e:0;return{start:s?o:n,end:s?n:o}}function Ts(t,e){const i=[],s=t._getSortedDatasetMetas(e);let n,o;for(n=0,o=s.length;n0||!i&&e<0)return n.index}return null}function zs(t,e){const{chart:i,_cachedMeta:s}=t,n=i._stacks||(i._stacks={}),{iScale:o,vScale:a,index:r}=s,l=o.axis,h=a.axis,c=function(t,e,i){return`${t.id}.${e.id}.${i.stack||i.type}`}(o,a,s),d=e.length;let u;for(let t=0;ti[t].axis===e)).shift()}function Vs(t,e){const i=t.controller.index,s=t.vScale&&t.vScale.axis;if(s){e=e||t._parsed;for(const t of e){const e=t._stacks;if(!e||void 0===e[s]||void 0===e[s][i])return;delete e[s][i],void 0!==e[s]._visualValues&&void 0!==e[s]._visualValues[i]&&delete e[s]._visualValues[i]}}}const Bs=t=>"reset"===t||"none"===t,Ws=(t,e)=>e?t:Object.assign({},t);class Ns{static defaults={};static datasetElementType=null;static dataElementType=null;constructor(t,e){this.chart=t,this._ctx=t.ctx,this.index=e,this._cachedDataOpts={},this._cachedMeta=this.getMeta(),this._type=this._cachedMeta.type,this.options=void 0,this._parsing=!1,this._data=void 0,this._objectData=void 0,this._sharedOptions=void 0,this._drawStart=void 0,this._drawCount=void 0,this.enableOptionSharing=!1,this.supportsDecimation=!1,this.$context=void 0,this._syncList=[],this.datasetElementType=new.target.datasetElementType,this.dataElementType=new.target.dataElementType,this.initialize()}initialize(){const t=this._cachedMeta;this.configure(),this.linkScales(),t._stacked=Es(t.vScale,t),this.addElements(),this.options.fill&&!this.chart.isPluginEnabled("filler")&&console.warn("Tried to use the 'fill' option without the 'Filler' plugin enabled. 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t=this.getDataset(),e=t.data||(t.data=[]),i=this._data;if(o(e))this._data=function(t){const e=Object.keys(t),i=new Array(e.length);let s,n,o;for(s=0,n=e.length;s0&&i._parsed[t-1];if(!1===this._parsing)i._parsed=s,i._sorted=!0,d=s;else{d=n(s[t])?this.parseArrayData(i,s,t,e):o(s[t])?this.parseObjectData(i,s,t,e):this.parsePrimitiveData(i,s,t,e);const a=()=>null===c[l]||f&&c[l]t&&!e.hidden&&e._stacked&&{keys:Ts(i,!0),values:null})(e,i,this.chart),h={min:Number.POSITIVE_INFINITY,max:Number.NEGATIVE_INFINITY},{min:c,max:d}=function(t){const{min:e,max:i,minDefined:s,maxDefined:n}=t.getUserBounds();return{min:s?e:Number.NEGATIVE_INFINITY,max:n?i:Number.POSITIVE_INFINITY}}(r);let u,f;function g(){f=s[u];const e=f[r.axis];return!a(f[t.axis])||c>e||d=0;--u)if(!g()){this.updateRangeFromParsed(h,t,f,l);break}return h}getAllParsedValues(t){const e=this._cachedMeta._parsed,i=[];let s,n,o;for(s=0,n=e.length;s=0&&tthis.getContext(i,s,e)),c);return f.$shared&&(f.$shared=r,n[o]=Object.freeze(Ws(f,r))),f}_resolveAnimations(t,e,i){const s=this.chart,n=this._cachedDataOpts,o=`animation-${e}`,a=n[o];if(a)return a;let r;if(!1!==s.options.animation){const s=this.chart.config,n=s.datasetAnimationScopeKeys(this._type,e),o=s.getOptionScopes(this.getDataset(),n);r=s.createResolver(o,this.getContext(t,i,e))}const l=new Os(s,r&&r.animations);return r&&r._cacheable&&(n[o]=Object.freeze(l)),l}getSharedOptions(t){if(t.$shared)return this._sharedOptions||(this._sharedOptions=Object.assign({},t))}includeOptions(t,e){return!e||Bs(t)||this.chart._animationsDisabled}_getSharedOptions(t,e){const i=this.resolveDataElementOptions(t,e),s=this._sharedOptions,n=this.getSharedOptions(i),o=this.includeOptions(e,n)||n!==s;return this.updateSharedOptions(n,e,i),{sharedOptions:n,includeOptions:o}}updateElement(t,e,i,s){Bs(s)?Object.assign(t,i):this._resolveAnimations(e,s).update(t,i)}updateSharedOptions(t,e,i){t&&!Bs(e)&&this._resolveAnimations(void 0,e).update(t,i)}_setStyle(t,e,i,s){t.active=s;const n=this.getStyle(e,s);this._resolveAnimations(e,i,s).update(t,{options:!s&&this.getSharedOptions(n)||n})}removeHoverStyle(t,e,i){this._setStyle(t,i,"active",!1)}setHoverStyle(t,e,i){this._setStyle(t,i,"active",!0)}_removeDatasetHoverStyle(){const t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!1)}_setDatasetHoverStyle(){const t=this._cachedMeta.dataset;t&&this._setStyle(t,void 0,"active",!0)}_resyncElements(t){const e=this._data,i=this._cachedMeta.data;for(const[t,e,i]of this._syncList)this[t](e,i);this._syncList=[];const s=i.length,n=e.length,o=Math.min(n,s);o&&this.parse(0,o),n>s?this._insertElements(s,n-s,t):n{for(t.length+=e,a=t.length-1;a>=o;a--)t[a]=t[a-e]};for(r(n),a=t;a{s[t]=i[t]&&i[t].active()?i[t]._to:this[t]})),s}}function js(t,e){const i=t.options.ticks,n=function(t){const e=t.options.offset,i=t._tickSize(),s=t._length/i+(e?0:1),n=t._maxLength/i;return Math.floor(Math.min(s,n))}(t),o=Math.min(i.maxTicksLimit||n,n),a=i.major.enabled?function(t){const e=[];let i,s;for(i=0,s=t.length;io)return function(t,e,i,s){let n,o=0,a=i[0];for(s=Math.ceil(s),n=0;nn)return e}return Math.max(n,1)}(a,e,o);if(r>0){let t,i;const n=r>1?Math.round((h-l)/(r-1)):null;for($s(e,c,d,s(n)?0:l-n,l),t=0,i=r-1;t"top"===e||"left"===e?t[e]+i:t[e]-i,Us=(t,e)=>Math.min(e||t,t);function Xs(t,e){const i=[],s=t.length/e,n=t.length;let o=0;for(;oa+r)))return h}function Ks(t){return t.drawTicks?t.tickLength:0}function Gs(t,e){if(!t.display)return 0;const i=Si(t.font,e),s=ki(t.padding);return(n(t.text)?t.text.length:1)*i.lineHeight+s.height}function Zs(t,e,i){let s=ut(t);return(i&&"right"!==e||!i&&"right"===e)&&(s=(t=>"left"===t?"right":"right"===t?"left":t)(s)),s}class Js extends Hs{constructor(t){super(),this.id=t.id,this.type=t.type,this.options=void 0,this.ctx=t.ctx,this.chart=t.chart,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this._margins={left:0,right:0,top:0,bottom:0},this.maxWidth=void 0,this.maxHeight=void 0,this.paddingTop=void 0,this.paddingBottom=void 0,this.paddingLeft=void 0,this.paddingRight=void 0,this.axis=void 0,this.labelRotation=void 0,this.min=void 0,this.max=void 0,this._range=void 0,this.ticks=[],this._gridLineItems=null,this._labelItems=null,this._labelSizes=null,this._length=0,this._maxLength=0,this._longestTextCache={},this._startPixel=void 0,this._endPixel=void 0,this._reversePixels=!1,this._userMax=void 0,this._userMin=void 0,this._suggestedMax=void 0,this._suggestedMin=void 0,this._ticksLength=0,this._borderValue=0,this._cache={},this._dataLimitsCached=!1,this.$context=void 0}init(t){this.options=t.setContext(this.getContext()),this.axis=t.axis,this._userMin=this.parse(t.min),this._userMax=this.parse(t.max),this._suggestedMin=this.parse(t.suggestedMin),this._suggestedMax=this.parse(t.suggestedMax)}parse(t,e){return t}getUserBounds(){let{_userMin:t,_userMax:e,_suggestedMin:i,_suggestedMax:s}=this;return t=r(t,Number.POSITIVE_INFINITY),e=r(e,Number.NEGATIVE_INFINITY),i=r(i,Number.POSITIVE_INFINITY),s=r(s,Number.NEGATIVE_INFINITY),{min:r(t,i),max:r(e,s),minDefined:a(t),maxDefined:a(e)}}getMinMax(t){let e,{min:i,max:s,minDefined:n,maxDefined:o}=this.getUserBounds();if(n&&o)return{min:i,max:s};const a=this.getMatchingVisibleMetas();for(let r=0,l=a.length;rs?s:i,s=n&&i>s?i:s,{min:r(i,r(s,i)),max:r(s,r(i,s))}}getPadding(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}}getTicks(){return this.ticks}getLabels(){const t=this.chart.data;return this.options.labels||(this.isHorizontal()?t.xLabels:t.yLabels)||t.labels||[]}getLabelItems(t=this.chart.chartArea){return this._labelItems||(this._labelItems=this._computeLabelItems(t))}beforeLayout(){this._cache={},this._dataLimitsCached=!1}beforeUpdate(){d(this.options.beforeUpdate,[this])}update(t,e,i){const{beginAtZero:s,grace:n,ticks:o}=this.options,a=o.sampleSize;this.beforeUpdate(),this.maxWidth=t,this.maxHeight=e,this._margins=i=Object.assign({left:0,right:0,top:0,bottom:0},i),this.ticks=null,this._labelSizes=null,this._gridLineItems=null,this._labelItems=null,this.beforeSetDimensions(),this.setDimensions(),this.afterSetDimensions(),this._maxLength=this.isHorizontal()?this.width+i.left+i.right:this.height+i.top+i.bottom,this._dataLimitsCached||(this.beforeDataLimits(),this.determineDataLimits(),this.afterDataLimits(),this._range=Di(this,n,s),this._dataLimitsCached=!0),this.beforeBuildTicks(),this.ticks=this.buildTicks()||[],this.afterBuildTicks();const r=a=n||i<=1||!this.isHorizontal())return void(this.labelRotation=s);const h=this._getLabelSizes(),c=h.widest.width,d=h.highest.height,u=J(this.chart.width-c,0,this.maxWidth);o=t.offset?this.maxWidth/i:u/(i-1),c+6>o&&(o=u/(i-(t.offset?.5:1)),a=this.maxHeight-Ks(t.grid)-e.padding-Gs(t.title,this.chart.options.font),r=Math.sqrt(c*c+d*d),l=Y(Math.min(Math.asin(J((h.highest.height+6)/o,-1,1)),Math.asin(J(a/r,-1,1))-Math.asin(J(d/r,-1,1)))),l=Math.max(s,Math.min(n,l))),this.labelRotation=l}afterCalculateLabelRotation(){d(this.options.afterCalculateLabelRotation,[this])}afterAutoSkip(){}beforeFit(){d(this.options.beforeFit,[this])}fit(){const t={width:0,height:0},{chart:e,options:{ticks:i,title:s,grid:n}}=this,o=this._isVisible(),a=this.isHorizontal();if(o){const o=Gs(s,e.options.font);if(a?(t.width=this.maxWidth,t.height=Ks(n)+o):(t.height=this.maxHeight,t.width=Ks(n)+o),i.display&&this.ticks.length){const{first:e,last:s,widest:n,highest:o}=this._getLabelSizes(),r=2*i.padding,l=$(this.labelRotation),h=Math.cos(l),c=Math.sin(l);if(a){const e=i.mirror?0:c*n.width+h*o.height;t.height=Math.min(this.maxHeight,t.height+e+r)}else{const e=i.mirror?0:h*n.width+c*o.height;t.width=Math.min(this.maxWidth,t.width+e+r)}this._calculatePadding(e,s,c,h)}}this._handleMargins(),a?(this.width=this._length=e.width-this._margins.left-this._margins.right,this.height=t.height):(this.width=t.width,this.height=this._length=e.height-this._margins.top-this._margins.bottom)}_calculatePadding(t,e,i,s){const{ticks:{align:n,padding:o},position:a}=this.options,r=0!==this.labelRotation,l="top"!==a&&"x"===this.axis;if(this.isHorizontal()){const a=this.getPixelForTick(0)-this.left,h=this.right-this.getPixelForTick(this.ticks.length-1);let c=0,d=0;r?l?(c=s*t.width,d=i*e.height):(c=i*t.height,d=s*e.width):"start"===n?d=e.width:"end"===n?c=t.width:"inner"!==n&&(c=t.width/2,d=e.width/2),this.paddingLeft=Math.max((c-a+o)*this.width/(this.width-a),0),this.paddingRight=Math.max((d-h+o)*this.width/(this.width-h),0)}else{let i=e.height/2,s=t.height/2;"start"===n?(i=0,s=t.height):"end"===n&&(i=e.height,s=0),this.paddingTop=i+o,this.paddingBottom=s+o}}_handleMargins(){this._margins&&(this._margins.left=Math.max(this.paddingLeft,this._margins.left),this._margins.top=Math.max(this.paddingTop,this._margins.top),this._margins.right=Math.max(this.paddingRight,this._margins.right),this._margins.bottom=Math.max(this.paddingBottom,this._margins.bottom))}afterFit(){d(this.options.afterFit,[this])}isHorizontal(){const{axis:t,position:e}=this.options;return"top"===e||"bottom"===e||"x"===t}isFullSize(){return this.options.fullSize}_convertTicksToLabels(t){let e,i;for(this.beforeTickToLabelConversion(),this.generateTickLabels(t),e=0,i=t.length;e{const i=t.gc,s=i.length/2;let n;if(s>e){for(n=0;n({width:r[t]||0,height:l[t]||0});return{first:P(0),last:P(e-1),widest:P(k),highest:P(S),widths:r,heights:l}}getLabelForValue(t){return t}getPixelForValue(t,e){return NaN}getValueForPixel(t){}getPixelForTick(t){const e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t].value)}getPixelForDecimal(t){this._reversePixels&&(t=1-t);const e=this._startPixel+t*this._length;return Q(this._alignToPixels?Ae(this.chart,e,0):e)}getDecimalForPixel(t){const e=(t-this._startPixel)/this._length;return this._reversePixels?1-e:e}getBasePixel(){return this.getPixelForValue(this.getBaseValue())}getBaseValue(){const{min:t,max:e}=this;return t<0&&e<0?e:t>0&&e>0?t:0}getContext(t){const e=this.ticks||[];if(t>=0&&ta*s?a/i:r/s:r*s0}_computeGridLineItems(t){const e=this.axis,i=this.chart,s=this.options,{grid:n,position:a,border:r}=s,h=n.offset,c=this.isHorizontal(),d=this.ticks.length+(h?1:0),u=Ks(n),f=[],g=r.setContext(this.getContext()),p=g.display?g.width:0,m=p/2,b=function(t){return Ae(i,t,p)};let x,_,y,v,M,w,k,S,P,D,C,O;if("top"===a)x=b(this.bottom),w=this.bottom-u,S=x-m,D=b(t.top)+m,O=t.bottom;else if("bottom"===a)x=b(this.top),D=t.top,O=b(t.bottom)-m,w=x+m,S=this.top+u;else if("left"===a)x=b(this.right),M=this.right-u,k=x-m,P=b(t.left)+m,C=t.right;else if("right"===a)x=b(this.left),P=t.left,C=b(t.right)-m,M=x+m,k=this.left+u;else if("x"===e){if("center"===a)x=b((t.top+t.bottom)/2+.5);else if(o(a)){const t=Object.keys(a)[0],e=a[t];x=b(this.chart.scales[t].getPixelForValue(e))}D=t.top,O=t.bottom,w=x+m,S=w+u}else if("y"===e){if("center"===a)x=b((t.left+t.right)/2);else if(o(a)){const t=Object.keys(a)[0],e=a[t];x=b(this.chart.scales[t].getPixelForValue(e))}M=x-m,k=M-u,P=t.left,C=t.right}const A=l(s.ticks.maxTicksLimit,d),T=Math.max(1,Math.ceil(d/A));for(_=0;_e.value===t));if(i>=0){return e.setContext(this.getContext(i)).lineWidth}return 0}drawGrid(t){const e=this.options.grid,i=this.ctx,s=this._gridLineItems||(this._gridLineItems=this._computeGridLineItems(t));let n,o;const a=(t,e,s)=>{s.width&&s.color&&(i.save(),i.lineWidth=s.width,i.strokeStyle=s.color,i.setLineDash(s.borderDash||[]),i.lineDashOffset=s.borderDashOffset,i.beginPath(),i.moveTo(t.x,t.y),i.lineTo(e.x,e.y),i.stroke(),i.restore())};if(e.display)for(n=0,o=s.length;n{this.drawBackground(),this.drawGrid(t),this.drawTitle()}},{z:s,draw:()=>{this.drawBorder()}},{z:e,draw:t=>{this.drawLabels(t)}}]:[{z:e,draw:t=>{this.draw(t)}}]}getMatchingVisibleMetas(t){const e=this.chart.getSortedVisibleDatasetMetas(),i=this.axis+"AxisID",s=[];let n,o;for(n=0,o=e.length;n{const s=i.split("."),n=s.pop(),o=[t].concat(s).join("."),a=e[i].split("."),r=a.pop(),l=a.join(".");ue.route(o,n,l,r)}))}(e,t.defaultRoutes);t.descriptors&&ue.describe(e,t.descriptors)}(t,o,i),this.override&&ue.override(t.id,t.overrides)),o}get(t){return this.items[t]}unregister(t){const e=this.items,i=t.id,s=this.scope;i in e&&delete e[i],s&&i in ue[s]&&(delete ue[s][i],this.override&&delete re[i])}}class tn{constructor(){this.controllers=new Qs(Ns,"datasets",!0),this.elements=new Qs(Hs,"elements"),this.plugins=new Qs(Object,"plugins"),this.scales=new Qs(Js,"scales"),this._typedRegistries=[this.controllers,this.scales,this.elements]}add(...t){this._each("register",t)}remove(...t){this._each("unregister",t)}addControllers(...t){this._each("register",t,this.controllers)}addElements(...t){this._each("register",t,this.elements)}addPlugins(...t){this._each("register",t,this.plugins)}addScales(...t){this._each("register",t,this.scales)}getController(t){return this._get(t,this.controllers,"controller")}getElement(t){return this._get(t,this.elements,"element")}getPlugin(t){return this._get(t,this.plugins,"plugin")}getScale(t){return this._get(t,this.scales,"scale")}removeControllers(...t){this._each("unregister",t,this.controllers)}removeElements(...t){this._each("unregister",t,this.elements)}removePlugins(...t){this._each("unregister",t,this.plugins)}removeScales(...t){this._each("unregister",t,this.scales)}_each(t,e,i){[...e].forEach((e=>{const s=i||this._getRegistryForType(e);i||s.isForType(e)||s===this.plugins&&e.id?this._exec(t,s,e):u(e,(e=>{const s=i||this._getRegistryForType(e);this._exec(t,s,e)}))}))}_exec(t,e,i){const s=w(t);d(i["before"+s],[],i),e[t](i),d(i["after"+s],[],i)}_getRegistryForType(t){for(let e=0;et.filter((t=>!e.some((e=>t.plugin.id===e.plugin.id))));this._notify(s(e,i),t,"stop"),this._notify(s(i,e),t,"start")}}function nn(t,e){return e||!1!==t?!0===t?{}:t:null}function on(t,{plugin:e,local:i},s,n){const o=t.pluginScopeKeys(e),a=t.getOptionScopes(s,o);return i&&e.defaults&&a.push(e.defaults),t.createResolver(a,n,[""],{scriptable:!1,indexable:!1,allKeys:!0})}function an(t,e){const i=ue.datasets[t]||{};return((e.datasets||{})[t]||{}).indexAxis||e.indexAxis||i.indexAxis||"x"}function rn(t){if("x"===t||"y"===t||"r"===t)return t}function ln(t,...e){if(rn(t))return t;for(const s of e){const e=s.axis||("top"===(i=s.position)||"bottom"===i?"x":"left"===i||"right"===i?"y":void 0)||t.length>1&&rn(t[0].toLowerCase());if(e)return e}var i;throw new Error(`Cannot determine type of '${t}' axis. Please provide 'axis' or 'position' option.`)}function hn(t,e,i){if(i[e+"AxisID"]===t)return{axis:e}}function cn(t,e){const i=re[t.type]||{scales:{}},s=e.scales||{},n=an(t.type,e),a=Object.create(null);return Object.keys(s).forEach((e=>{const r=s[e];if(!o(r))return console.error(`Invalid scale configuration for scale: ${e}`);if(r._proxy)return console.warn(`Ignoring resolver passed as options for scale: ${e}`);const l=ln(e,r,function(t,e){if(e.data&&e.data.datasets){const i=e.data.datasets.filter((e=>e.xAxisID===t||e.yAxisID===t));if(i.length)return hn(t,"x",i[0])||hn(t,"y",i[0])}return{}}(e,t),ue.scales[r.type]),h=function(t,e){return t===e?"_index_":"_value_"}(l,n),c=i.scales||{};a[e]=x(Object.create(null),[{axis:l},r,c[l],c[h]])})),t.data.datasets.forEach((i=>{const n=i.type||t.type,o=i.indexAxis||an(n,e),r=(re[n]||{}).scales||{};Object.keys(r).forEach((t=>{const e=function(t,e){let i=t;return"_index_"===t?i=e:"_value_"===t&&(i="x"===e?"y":"x"),i}(t,o),n=i[e+"AxisID"]||e;a[n]=a[n]||Object.create(null),x(a[n],[{axis:e},s[n],r[t]])}))})),Object.keys(a).forEach((t=>{const e=a[t];x(e,[ue.scales[e.type],ue.scale])})),a}function dn(t){const e=t.options||(t.options={});e.plugins=l(e.plugins,{}),e.scales=cn(t,e)}function un(t){return(t=t||{}).datasets=t.datasets||[],t.labels=t.labels||[],t}const fn=new Map,gn=new Set;function pn(t,e){let i=fn.get(t);return i||(i=e(),fn.set(t,i),gn.add(i)),i}const mn=(t,e,i)=>{const s=M(e,i);void 0!==s&&t.add(s)};class bn{constructor(t){this._config=function(t){return(t=t||{}).data=un(t.data),dn(t),t}(t),this._scopeCache=new Map,this._resolverCache=new Map}get platform(){return this._config.platform}get type(){return this._config.type}set type(t){this._config.type=t}get data(){return this._config.data}set data(t){this._config.data=un(t)}get options(){return this._config.options}set options(t){this._config.options=t}get plugins(){return this._config.plugins}update(){const t=this._config;this.clearCache(),dn(t)}clearCache(){this._scopeCache.clear(),this._resolverCache.clear()}datasetScopeKeys(t){return pn(t,(()=>[[`datasets.${t}`,""]]))}datasetAnimationScopeKeys(t,e){return pn(`${t}.transition.${e}`,(()=>[[`datasets.${t}.transitions.${e}`,`transitions.${e}`],[`datasets.${t}`,""]]))}datasetElementScopeKeys(t,e){return pn(`${t}-${e}`,(()=>[[`datasets.${t}.elements.${e}`,`datasets.${t}`,`elements.${e}`,""]]))}pluginScopeKeys(t){const e=t.id;return pn(`${this.type}-plugin-${e}`,(()=>[[`plugins.${e}`,...t.additionalOptionScopes||[]]]))}_cachedScopes(t,e){const i=this._scopeCache;let s=i.get(t);return s&&!e||(s=new Map,i.set(t,s)),s}getOptionScopes(t,e,i){const{options:s,type:n}=this,o=this._cachedScopes(t,i),a=o.get(e);if(a)return a;const r=new Set;e.forEach((e=>{t&&(r.add(t),e.forEach((e=>mn(r,t,e)))),e.forEach((t=>mn(r,s,t))),e.forEach((t=>mn(r,re[n]||{},t))),e.forEach((t=>mn(r,ue,t))),e.forEach((t=>mn(r,le,t)))}));const l=Array.from(r);return 0===l.length&&l.push(Object.create(null)),gn.has(e)&&o.set(e,l),l}chartOptionScopes(){const{options:t,type:e}=this;return[t,re[e]||{},ue.datasets[e]||{},{type:e},ue,le]}resolveNamedOptions(t,e,i,s=[""]){const o={$shared:!0},{resolver:a,subPrefixes:r}=xn(this._resolverCache,t,s);let l=a;if(function(t,e){const{isScriptable:i,isIndexable:s}=Ye(t);for(const o of e){const e=i(o),a=s(o),r=(a||e)&&t[o];if(e&&(S(r)||_n(r))||a&&n(r))return!0}return!1}(a,e)){o.$shared=!1;l=$e(a,i=S(i)?i():i,this.createResolver(t,i,r))}for(const t of e)o[t]=l[t];return o}createResolver(t,e,i=[""],s){const{resolver:n}=xn(this._resolverCache,t,i);return o(e)?$e(n,e,void 0,s):n}}function xn(t,e,i){let s=t.get(e);s||(s=new Map,t.set(e,s));const n=i.join();let o=s.get(n);if(!o){o={resolver:je(e,i),subPrefixes:i.filter((t=>!t.toLowerCase().includes("hover")))},s.set(n,o)}return o}const _n=t=>o(t)&&Object.getOwnPropertyNames(t).reduce(((e,i)=>e||S(t[i])),!1);const yn=["top","bottom","left","right","chartArea"];function vn(t,e){return"top"===t||"bottom"===t||-1===yn.indexOf(t)&&"x"===e}function Mn(t,e){return function(i,s){return i[t]===s[t]?i[e]-s[e]:i[t]-s[t]}}function wn(t){const e=t.chart,i=e.options.animation;e.notifyPlugins("afterRender"),d(i&&i.onComplete,[t],e)}function kn(t){const e=t.chart,i=e.options.animation;d(i&&i.onProgress,[t],e)}function Sn(t){return fe()&&"string"==typeof t?t=document.getElementById(t):t&&t.length&&(t=t[0]),t&&t.canvas&&(t=t.canvas),t}const Pn={},Dn=t=>{const e=Sn(t);return Object.values(Pn).filter((t=>t.canvas===e)).pop()};function Cn(t,e,i){const s=Object.keys(t);for(const n of s){const s=+n;if(s>=e){const o=t[n];delete t[n],(i>0||s>e)&&(t[s+i]=o)}}}function On(t,e,i){return t.options.clip?t[i]:e[i]}class An{static defaults=ue;static instances=Pn;static overrides=re;static registry=en;static version="4.4.0";static getChart=Dn;static register(...t){en.add(...t),Tn()}static unregister(...t){en.remove(...t),Tn()}constructor(t,e){const s=this.config=new bn(e),n=Sn(t),o=Dn(n);if(o)throw new Error("Canvas is already in use. Chart with ID '"+o.id+"' must be destroyed before the canvas with ID '"+o.canvas.id+"' can be reused.");const a=s.createResolver(s.chartOptionScopes(),this.getContext());this.platform=new(s.platform||ks(n)),this.platform.updateConfig(s);const r=this.platform.acquireContext(n,a.aspectRatio),l=r&&r.canvas,h=l&&l.height,c=l&&l.width;this.id=i(),this.ctx=r,this.canvas=l,this.width=c,this.height=h,this._options=a,this._aspectRatio=this.aspectRatio,this._layers=[],this._metasets=[],this._stacks=void 0,this.boxes=[],this.currentDevicePixelRatio=void 0,this.chartArea=void 0,this._active=[],this._lastEvent=void 0,this._listeners={},this._responsiveListeners=void 0,this._sortedMetasets=[],this.scales={},this._plugins=new sn,this.$proxies={},this._hiddenIndices={},this.attached=!1,this._animationsDisabled=void 0,this.$context=void 0,this._doResize=dt((t=>this.update(t)),a.resizeDelay||0),this._dataChanges=[],Pn[this.id]=this,r&&l?(xt.listen(this,"complete",wn),xt.listen(this,"progress",kn),this._initialize(),this.attached&&this.update()):console.error("Failed to create chart: can't acquire context from the given item")}get aspectRatio(){const{options:{aspectRatio:t,maintainAspectRatio:e},width:i,height:n,_aspectRatio:o}=this;return s(t)?e&&o?o:n?i/n:null:t}get data(){return this.config.data}set data(t){this.config.data=t}get options(){return this._options}set options(t){this.config.options=t}get registry(){return en}_initialize(){return this.notifyPlugins("beforeInit"),this.options.responsive?this.resize():ke(this,this.options.devicePixelRatio),this.bindEvents(),this.notifyPlugins("afterInit"),this}clear(){return Te(this.canvas,this.ctx),this}stop(){return xt.stop(this),this}resize(t,e){xt.running(this)?this._resizeBeforeDraw={width:t,height:e}:this._resize(t,e)}_resize(t,e){const i=this.options,s=this.canvas,n=i.maintainAspectRatio&&this.aspectRatio,o=this.platform.getMaximumSize(s,t,e,n),a=i.devicePixelRatio||this.platform.getDevicePixelRatio(),r=this.width?"resize":"attach";this.width=o.width,this.height=o.height,this._aspectRatio=this.aspectRatio,ke(this,a,!0)&&(this.notifyPlugins("resize",{size:o}),d(i.onResize,[this,o],this),this.attached&&this._doResize(r)&&this.render())}ensureScalesHaveIDs(){u(this.options.scales||{},((t,e)=>{t.id=e}))}buildOrUpdateScales(){const t=this.options,e=t.scales,i=this.scales,s=Object.keys(i).reduce(((t,e)=>(t[e]=!1,t)),{});let n=[];e&&(n=n.concat(Object.keys(e).map((t=>{const i=e[t],s=ln(t,i),n="r"===s,o="x"===s;return{options:i,dposition:n?"chartArea":o?"bottom":"left",dtype:n?"radialLinear":o?"category":"linear"}})))),u(n,(e=>{const n=e.options,o=n.id,a=ln(o,n),r=l(n.type,e.dtype);void 0!==n.position&&vn(n.position,a)===vn(e.dposition)||(n.position=e.dposition),s[o]=!0;let h=null;if(o in i&&i[o].type===r)h=i[o];else{h=new(en.getScale(r))({id:o,type:r,ctx:this.ctx,chart:this}),i[h.id]=h}h.init(n,t)})),u(s,((t,e)=>{t||delete i[e]})),u(i,(t=>{as.configure(this,t,t.options),as.addBox(this,t)}))}_updateMetasets(){const t=this._metasets,e=this.data.datasets.length,i=t.length;if(t.sort(((t,e)=>t.index-e.index)),i>e){for(let t=e;te.length&&delete this._stacks,t.forEach(((t,i)=>{0===e.filter((e=>e===t._dataset)).length&&this._destroyDatasetMeta(i)}))}buildOrUpdateControllers(){const t=[],e=this.data.datasets;let i,s;for(this._removeUnreferencedMetasets(),i=0,s=e.length;i{this.getDatasetMeta(e).controller.reset()}),this)}reset(){this._resetElements(),this.notifyPlugins("reset")}update(t){const e=this.config;e.update();const i=this._options=e.createResolver(e.chartOptionScopes(),this.getContext()),s=this._animationsDisabled=!i.animation;if(this._updateScales(),this._checkEventBindings(),this._updateHiddenIndices(),this._plugins.invalidate(),!1===this.notifyPlugins("beforeUpdate",{mode:t,cancelable:!0}))return;const n=this.buildOrUpdateControllers();this.notifyPlugins("beforeElementsUpdate");let o=0;for(let t=0,e=this.data.datasets.length;t{t.reset()})),this._updateDatasets(t),this.notifyPlugins("afterUpdate",{mode:t}),this._layers.sort(Mn("z","_idx"));const{_active:a,_lastEvent:r}=this;r?this._eventHandler(r,!0):a.length&&this._updateHoverStyles(a,a,!0),this.render()}_updateScales(){u(this.scales,(t=>{as.removeBox(this,t)})),this.ensureScalesHaveIDs(),this.buildOrUpdateScales()}_checkEventBindings(){const t=this.options,e=new Set(Object.keys(this._listeners)),i=new Set(t.events);P(e,i)&&!!this._responsiveListeners===t.responsive||(this.unbindEvents(),this.bindEvents())}_updateHiddenIndices(){const{_hiddenIndices:t}=this,e=this._getUniformDataChanges()||[];for(const{method:i,start:s,count:n}of e){Cn(t,s,"_removeElements"===i?-n:n)}}_getUniformDataChanges(){const t=this._dataChanges;if(!t||!t.length)return;this._dataChanges=[];const e=this.data.datasets.length,i=e=>new Set(t.filter((t=>t[0]===e)).map(((t,e)=>e+","+t.splice(1).join(",")))),s=i(0);for(let t=1;tt.split(","))).map((t=>({method:t[1],start:+t[2],count:+t[3]})))}_updateLayout(t){if(!1===this.notifyPlugins("beforeLayout",{cancelable:!0}))return;as.update(this,this.width,this.height,t);const e=this.chartArea,i=e.width<=0||e.height<=0;this._layers=[],u(this.boxes,(t=>{i&&"chartArea"===t.position||(t.configure&&t.configure(),this._layers.push(...t._layers()))}),this),this._layers.forEach(((t,e)=>{t._idx=e})),this.notifyPlugins("afterLayout")}_updateDatasets(t){if(!1!==this.notifyPlugins("beforeDatasetsUpdate",{mode:t,cancelable:!0})){for(let t=0,e=this.data.datasets.length;t=0;--e)this._drawDataset(t[e]);this.notifyPlugins("afterDatasetsDraw")}_drawDataset(t){const e=this.ctx,i=t._clip,s=!i.disabled,n=function(t,e){const{xScale:i,yScale:s}=t;return i&&s?{left:On(i,e,"left"),right:On(i,e,"right"),top:On(s,e,"top"),bottom:On(s,e,"bottom")}:e}(t,this.chartArea),o={meta:t,index:t.index,cancelable:!0};!1!==this.notifyPlugins("beforeDatasetDraw",o)&&(s&&Ie(e,{left:!1===i.left?0:n.left-i.left,right:!1===i.right?this.width:n.right+i.right,top:!1===i.top?0:n.top-i.top,bottom:!1===i.bottom?this.height:n.bottom+i.bottom}),t.controller.draw(),s&&ze(e),o.cancelable=!1,this.notifyPlugins("afterDatasetDraw",o))}isPointInArea(t){return Re(t,this.chartArea,this._minPadding)}getElementsAtEventForMode(t,e,i,s){const n=Xi.modes[e];return"function"==typeof n?n(this,t,i,s):[]}getDatasetMeta(t){const e=this.data.datasets[t],i=this._metasets;let s=i.filter((t=>t&&t._dataset===e)).pop();return s||(s={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null,order:e&&e.order||0,index:t,_dataset:e,_parsed:[],_sorted:!1},i.push(s)),s}getContext(){return this.$context||(this.$context=Ci(null,{chart:this,type:"chart"}))}getVisibleDatasetCount(){return this.getSortedVisibleDatasetMetas().length}isDatasetVisible(t){const e=this.data.datasets[t];if(!e)return!1;const i=this.getDatasetMeta(t);return"boolean"==typeof i.hidden?!i.hidden:!e.hidden}setDatasetVisibility(t,e){this.getDatasetMeta(t).hidden=!e}toggleDataVisibility(t){this._hiddenIndices[t]=!this._hiddenIndices[t]}getDataVisibility(t){return!this._hiddenIndices[t]}_updateVisibility(t,e,i){const s=i?"show":"hide",n=this.getDatasetMeta(t),o=n.controller._resolveAnimations(void 0,s);k(e)?(n.data[e].hidden=!i,this.update()):(this.setDatasetVisibility(t,i),o.update(n,{visible:i}),this.update((e=>e.datasetIndex===t?s:void 0)))}hide(t,e){this._updateVisibility(t,e,!1)}show(t,e){this._updateVisibility(t,e,!0)}_destroyDatasetMeta(t){const e=this._metasets[t];e&&e.controller&&e.controller._destroy(),delete this._metasets[t]}_stop(){let t,e;for(this.stop(),xt.remove(this),t=0,e=this.data.datasets.length;t{e.addEventListener(this,i,s),t[i]=s},s=(t,e,i)=>{t.offsetX=e,t.offsetY=i,this._eventHandler(t)};u(this.options.events,(t=>i(t,s)))}bindResponsiveEvents(){this._responsiveListeners||(this._responsiveListeners={});const t=this._responsiveListeners,e=this.platform,i=(i,s)=>{e.addEventListener(this,i,s),t[i]=s},s=(i,s)=>{t[i]&&(e.removeEventListener(this,i,s),delete t[i])},n=(t,e)=>{this.canvas&&this.resize(t,e)};let o;const a=()=>{s("attach",a),this.attached=!0,this.resize(),i("resize",n),i("detach",o)};o=()=>{this.attached=!1,s("resize",n),this._stop(),this._resize(0,0),i("attach",a)},e.isAttached(this.canvas)?a():o()}unbindEvents(){u(this._listeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._listeners={},u(this._responsiveListeners,((t,e)=>{this.platform.removeEventListener(this,e,t)})),this._responsiveListeners=void 0}updateHoverStyle(t,e,i){const s=i?"set":"remove";let n,o,a,r;for("dataset"===e&&(n=this.getDatasetMeta(t[0].datasetIndex),n.controller["_"+s+"DatasetHoverStyle"]()),a=0,r=t.length;a{const i=this.getDatasetMeta(t);if(!i)throw new Error("No dataset found at index "+t);return{datasetIndex:t,element:i.data[e],index:e}}));!f(i,e)&&(this._active=i,this._lastEvent=null,this._updateHoverStyles(i,e))}notifyPlugins(t,e,i){return this._plugins.notify(this,t,e,i)}isPluginEnabled(t){return 1===this._plugins._cache.filter((e=>e.plugin.id===t)).length}_updateHoverStyles(t,e,i){const s=this.options.hover,n=(t,e)=>t.filter((t=>!e.some((e=>t.datasetIndex===e.datasetIndex&&t.index===e.index)))),o=n(e,t),a=i?t:n(t,e);o.length&&this.updateHoverStyle(o,s.mode,!1),a.length&&s.mode&&this.updateHoverStyle(a,s.mode,!0)}_eventHandler(t,e){const i={event:t,replay:e,cancelable:!0,inChartArea:this.isPointInArea(t)},s=e=>(e.options.events||this.options.events).includes(t.native.type);if(!1===this.notifyPlugins("beforeEvent",i,s))return;const n=this._handleEvent(t,e,i.inChartArea);return i.cancelable=!1,this.notifyPlugins("afterEvent",i,s),(n||i.changed)&&this.render(),this}_handleEvent(t,e,i){const{_active:s=[],options:n}=this,o=e,a=this._getActiveElements(t,s,i,o),r=D(t),l=function(t,e,i,s){return i&&"mouseout"!==t.type?s?e:t:null}(t,this._lastEvent,i,r);i&&(this._lastEvent=null,d(n.onHover,[t,a,this],this),r&&d(n.onClick,[t,a,this],this));const h=!f(a,s);return(h||e)&&(this._active=a,this._updateHoverStyles(a,s,e)),this._lastEvent=l,h}_getActiveElements(t,e,i,s){if("mouseout"===t.type)return[];if(!i)return e;const n=this.options.hover;return this.getElementsAtEventForMode(t,n.mode,n,s)}}function Tn(){return u(An.instances,(t=>t._plugins.invalidate()))}function Ln(){throw new Error("This method is not implemented: Check that a complete date adapter is provided.")}class En{static override(t){Object.assign(En.prototype,t)}options;constructor(t){this.options=t||{}}init(){}formats(){return Ln()}parse(){return Ln()}format(){return Ln()}add(){return Ln()}diff(){return Ln()}startOf(){return Ln()}endOf(){return Ln()}}var Rn={_date:En};function In(t){const e=t.iScale,i=function(t,e){if(!t._cache.$bar){const i=t.getMatchingVisibleMetas(e);let s=[];for(let e=0,n=i.length;et-e)))}return t._cache.$bar}(e,t.type);let s,n,o,a,r=e._length;const l=()=>{32767!==o&&-32768!==o&&(k(a)&&(r=Math.min(r,Math.abs(o-a)||r)),a=o)};for(s=0,n=i.length;sMath.abs(r)&&(l=r,h=a),e[i.axis]=h,e._custom={barStart:l,barEnd:h,start:n,end:o,min:a,max:r}}(t,e,i,s):e[i.axis]=i.parse(t,s),e}function Fn(t,e,i,s){const n=t.iScale,o=t.vScale,a=n.getLabels(),r=n===o,l=[];let h,c,d,u;for(h=i,c=i+s;ht.x,i="left",s="right"):(e=t.base"spacing"!==t,_indexable:t=>"spacing"!==t&&!t.startsWith("borderDash")&&!t.startsWith("hoverBorderDash")};static overrides={aspectRatio:1,plugins:{legend:{labels:{generateLabels(t){const e=t.data;if(e.labels.length&&e.datasets.length){const{labels:{pointStyle:i,color:s}}=t.legend.options;return e.labels.map(((e,n)=>{const o=t.getDatasetMeta(0).controller.getStyle(n);return{text:e,fillStyle:o.backgroundColor,strokeStyle:o.borderColor,fontColor:s,lineWidth:o.borderWidth,pointStyle:i,hidden:!t.getDataVisibility(n),index:n}}))}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}}}};constructor(t,e){super(t,e),this.enableOptionSharing=!0,this.innerRadius=void 0,this.outerRadius=void 0,this.offsetX=void 0,this.offsetY=void 0}linkScales(){}parse(t,e){const i=this.getDataset().data,s=this._cachedMeta;if(!1===this._parsing)s._parsed=i;else{let n,a,r=t=>+i[t];if(o(i[t])){const{key:t="value"}=this._parsing;r=e=>+M(i[e],t)}for(n=t,a=t+e;nZ(t,r,l,!0)?1:Math.max(e,e*i,s,s*i),g=(t,e,s)=>Z(t,r,l,!0)?-1:Math.min(e,e*i,s,s*i),p=f(0,h,d),m=f(E,c,u),b=g(C,h,d),x=g(C+E,c,u);s=(p-b)/2,n=(m-x)/2,o=-(p+b)/2,a=-(m+x)/2}return{ratioX:s,ratioY:n,offsetX:o,offsetY:a}}(u,d,r),b=(i.width-o)/f,x=(i.height-o)/g,_=Math.max(Math.min(b,x)/2,0),y=c(this.options.radius,_),v=(y-Math.max(y*r,0))/this._getVisibleDatasetWeightTotal();this.offsetX=p*y,this.offsetY=m*y,s.total=this.calculateTotal(),this.outerRadius=y-v*this._getRingWeightOffset(this.index),this.innerRadius=Math.max(this.outerRadius-v*l,0),this.updateElements(n,0,n.length,t)}_circumference(t,e){const i=this.options,s=this._cachedMeta,n=this._getCircumference();return e&&i.animation.animateRotate||!this.chart.getDataVisibility(t)||null===s._parsed[t]||s.data[t].hidden?0:this.calculateCircumference(s._parsed[t]*n/O)}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=o.chartArea,r=o.options.animation,l=(a.left+a.right)/2,h=(a.top+a.bottom)/2,c=n&&r.animateScale,d=c?0:this.innerRadius,u=c?0:this.outerRadius,{sharedOptions:f,includeOptions:g}=this._getSharedOptions(e,s);let p,m=this._getRotation();for(p=0;p0&&!isNaN(t)?O*(Math.abs(t)/e):0}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart,s=i.data.labels||[],n=ne(e._parsed[t],i.options.locale);return{label:s[t]||"",value:n}}getMaxBorderWidth(t){let e=0;const i=this.chart;let s,n,o,a,r;if(!t)for(s=0,n=i.data.datasets.length;s{const o=t.getDatasetMeta(0).controller.getStyle(n);return{text:e,fillStyle:o.backgroundColor,strokeStyle:o.borderColor,fontColor:s,lineWidth:o.borderWidth,pointStyle:i,hidden:!t.getDataVisibility(n),index:n}}))}return[]}},onClick(t,e,i){i.chart.toggleDataVisibility(e.index),i.chart.update()}}},scales:{r:{type:"radialLinear",angleLines:{display:!1},beginAtZero:!0,grid:{circular:!0},pointLabels:{display:!1},startAngle:0}}};constructor(t,e){super(t,e),this.innerRadius=void 0,this.outerRadius=void 0}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart,s=i.data.labels||[],n=ne(e._parsed[t].r,i.options.locale);return{label:s[t]||"",value:n}}parseObjectData(t,e,i,s){return ii.bind(this)(t,e,i,s)}update(t){const e=this._cachedMeta.data;this._updateRadius(),this.updateElements(e,0,e.length,t)}getMinMax(){const t=this._cachedMeta,e={min:Number.POSITIVE_INFINITY,max:Number.NEGATIVE_INFINITY};return t.data.forEach(((t,i)=>{const s=this.getParsed(i).r;!isNaN(s)&&this.chart.getDataVisibility(i)&&(se.max&&(e.max=s))})),e}_updateRadius(){const t=this.chart,e=t.chartArea,i=t.options,s=Math.min(e.right-e.left,e.bottom-e.top),n=Math.max(s/2,0),o=(n-Math.max(i.cutoutPercentage?n/100*i.cutoutPercentage:1,0))/t.getVisibleDatasetCount();this.outerRadius=n-o*this.index,this.innerRadius=this.outerRadius-o}updateElements(t,e,i,s){const n="reset"===s,o=this.chart,a=o.options.animation,r=this._cachedMeta.rScale,l=r.xCenter,h=r.yCenter,c=r.getIndexAngle(0)-.5*C;let d,u=c;const f=360/this.countVisibleElements();for(d=0;d{!isNaN(this.getParsed(i).r)&&this.chart.getDataVisibility(i)&&e++})),e}_computeAngle(t,e,i){return this.chart.getDataVisibility(t)?$(this.resolveDataElementOptions(t,e).angle||i):0}}var Yn=Object.freeze({__proto__:null,BarController:class extends Ns{static id="bar";static defaults={datasetElementType:!1,dataElementType:"bar",categoryPercentage:.8,barPercentage:.9,grouped:!0,animations:{numbers:{type:"number",properties:["x","y","base","width","height"]}}};static overrides={scales:{_index_:{type:"category",offset:!0,grid:{offset:!0}},_value_:{type:"linear",beginAtZero:!0}}};parsePrimitiveData(t,e,i,s){return Fn(t,e,i,s)}parseArrayData(t,e,i,s){return Fn(t,e,i,s)}parseObjectData(t,e,i,s){const{iScale:n,vScale:o}=t,{xAxisKey:a="x",yAxisKey:r="y"}=this._parsing,l="x"===n.axis?a:r,h="x"===o.axis?a:r,c=[];let d,u,f,g;for(d=i,u=i+s;dt.controller.options.grouped)),o=i.options.stacked,a=[],r=t=>{const i=t.controller.getParsed(e),n=i&&i[t.vScale.axis];if(s(n)||isNaN(n))return!0};for(const i of n)if((void 0===e||!r(i))&&((!1===o||-1===a.indexOf(i.stack)||void 0===o&&void 0===i.stack)&&a.push(i.stack),i.index===t))break;return a.length||a.push(void 0),a}_getStackCount(t){return this._getStacks(void 0,t).length}_getStackIndex(t,e,i){const s=this._getStacks(t,i),n=void 0!==e?s.indexOf(e):-1;return-1===n?s.length-1:n}_getRuler(){const t=this.options,e=this._cachedMeta,i=e.iScale,s=[];let n,o;for(n=0,o=e.data.length;n=i?1:-1)}(u,e,r)*a,f===r&&(b-=u/2);const t=e.getPixelForDecimal(0),s=e.getPixelForDecimal(1),o=Math.min(t,s),h=Math.max(t,s);b=Math.max(Math.min(b,h),o),d=b+u,i&&!c&&(l._stacks[e.axis]._visualValues[n]=e.getValueForPixel(d)-e.getValueForPixel(b))}if(b===e.getPixelForValue(r)){const t=F(u)*e.getLineWidthForValue(r)/2;b+=t,u-=t}return{size:u,base:b,head:d,center:d+u/2}}_calculateBarIndexPixels(t,e){const i=e.scale,n=this.options,o=n.skipNull,a=l(n.maxBarThickness,1/0);let r,h;if(e.grouped){const i=o?this._getStackCount(t):e.stackCount,l="flex"===n.barThickness?function(t,e,i,s){const n=e.pixels,o=n[t];let a=t>0?n[t-1]:null,r=t=0;--i)e=Math.max(e,t[i].size(this.resolveDataElementOptions(i))/2);return e>0&&e}getLabelAndValue(t){const e=this._cachedMeta,i=this.chart.data.labels||[],{xScale:s,yScale:n}=e,o=this.getParsed(t),a=s.getLabelForValue(o.x),r=n.getLabelForValue(o.y),l=o._custom;return{label:i[t]||"",value:"("+a+", "+r+(l?", "+l:"")+")"}}update(t){const e=this._cachedMeta.data;this.updateElements(e,0,e.length,t)}updateElements(t,e,i,s){const n="reset"===s,{iScale:o,vScale:a}=this._cachedMeta,{sharedOptions:r,includeOptions:l}=this._getSharedOptions(e,s),h=o.axis,c=a.axis;for(let d=e;d0&&this.getParsed(e-1);for(let i=0;i<_;++i){const g=t[i],_=b?g:{};if(i=x){_.skip=!0;continue}const v=this.getParsed(i),M=s(v[f]),w=_[u]=a.getPixelForValue(v[u],i),k=_[f]=o||M?r.getBasePixel():r.getPixelForValue(l?this.applyStack(r,v,l):v[f],i);_.skip=isNaN(w)||isNaN(k)||M,_.stop=i>0&&Math.abs(v[u]-y[u])>m,p&&(_.parsed=v,_.raw=h.data[i]),d&&(_.options=c||this.resolveDataElementOptions(i,g.active?"active":n)),b||this.updateElement(g,i,_,n),y=v}}getMaxOverflow(){const t=this._cachedMeta,e=t.dataset,i=e.options&&e.options.borderWidth||0,s=t.data||[];if(!s.length)return i;const n=s[0].size(this.resolveDataElementOptions(0)),o=s[s.length-1].size(this.resolveDataElementOptions(s.length-1));return Math.max(i,n,o)/2}draw(){const t=this._cachedMeta;t.dataset.updateControlPoints(this.chart.chartArea,t.iScale.axis),super.draw()}},PieController:class extends jn{static id="pie";static defaults={cutout:0,rotation:0,circumference:360,radius:"100%"}},PolarAreaController:$n,RadarController:class extends Ns{static id="radar";static defaults={datasetElementType:"line",dataElementType:"point",indexAxis:"r",showLine:!0,elements:{line:{fill:"start"}}};static overrides={aspectRatio:1,scales:{r:{type:"radialLinear"}}};getLabelAndValue(t){const e=this._cachedMeta.vScale,i=this.getParsed(t);return{label:e.getLabels()[t],value:""+e.getLabelForValue(i[e.axis])}}parseObjectData(t,e,i,s){return ii.bind(this)(t,e,i,s)}update(t){const e=this._cachedMeta,i=e.dataset,s=e.data||[],n=e.iScale.getLabels();if(i.points=s,"resize"!==t){const e=this.resolveDatasetElementOptions(t);this.options.showLine||(e.borderWidth=0);const o={_loop:!0,_fullLoop:n.length===s.length,options:e};this.updateElement(i,void 0,o,t)}this.updateElements(s,0,s.length,t)}updateElements(t,e,i,s){const n=this._cachedMeta.rScale,o="reset"===s;for(let a=e;a0&&this.getParsed(e-1);for(let c=e;c0&&Math.abs(i[f]-_[f])>b,m&&(p.parsed=i,p.raw=h.data[c]),u&&(p.options=d||this.resolveDataElementOptions(c,e.active?"active":n)),x||this.updateElement(e,c,p,n),_=i}this.updateSharedOptions(d,n,c)}getMaxOverflow(){const t=this._cachedMeta,e=t.data||[];if(!this.options.showLine){let t=0;for(let i=e.length-1;i>=0;--i)t=Math.max(t,e[i].size(this.resolveDataElementOptions(i))/2);return t>0&&t}const i=t.dataset,s=i.options&&i.options.borderWidth||0;if(!e.length)return s;const n=e[0].size(this.resolveDataElementOptions(0)),o=e[e.length-1].size(this.resolveDataElementOptions(e.length-1));return Math.max(s,n,o)/2}}});function Un(t,e,i,s){const n=vi(t.options.borderRadius,["outerStart","outerEnd","innerStart","innerEnd"]);const o=(i-e)/2,a=Math.min(o,s*e/2),r=t=>{const e=(i-Math.min(o,t))*s/2;return J(t,0,Math.min(o,e))};return{outerStart:r(n.outerStart),outerEnd:r(n.outerEnd),innerStart:J(n.innerStart,0,a),innerEnd:J(n.innerEnd,0,a)}}function Xn(t,e,i,s){return{x:i+t*Math.cos(e),y:s+t*Math.sin(e)}}function qn(t,e,i,s,n,o){const{x:a,y:r,startAngle:l,pixelMargin:h,innerRadius:c}=e,d=Math.max(e.outerRadius+s+i-h,0),u=c>0?c+s+i+h:0;let f=0;const g=n-l;if(s){const t=((c>0?c-s:0)+(d>0?d-s:0))/2;f=(g-(0!==t?g*t/(t+s):g))/2}const p=(g-Math.max(.001,g*d-i/C)/d)/2,m=l+p+f,b=n-p-f,{outerStart:x,outerEnd:_,innerStart:y,innerEnd:v}=Un(e,u,d,b-m),M=d-x,w=d-_,k=m+x/M,S=b-_/w,P=u+y,D=u+v,O=m+y/P,A=b-v/D;if(t.beginPath(),o){const e=(k+S)/2;if(t.arc(a,r,d,k,e),t.arc(a,r,d,e,S),_>0){const e=Xn(w,S,a,r);t.arc(e.x,e.y,_,S,b+E)}const i=Xn(D,b,a,r);if(t.lineTo(i.x,i.y),v>0){const e=Xn(D,A,a,r);t.arc(e.x,e.y,v,b+E,A+Math.PI)}const s=(b-v/u+(m+y/u))/2;if(t.arc(a,r,u,b-v/u,s,!0),t.arc(a,r,u,s,m+y/u,!0),y>0){const e=Xn(P,O,a,r);t.arc(e.x,e.y,y,O+Math.PI,m-E)}const n=Xn(M,m,a,r);if(t.lineTo(n.x,n.y),x>0){const e=Xn(M,k,a,r);t.arc(e.x,e.y,x,m-E,k)}}else{t.moveTo(a,r);const e=Math.cos(k)*d+a,i=Math.sin(k)*d+r;t.lineTo(e,i);const s=Math.cos(S)*d+a,n=Math.sin(S)*d+r;t.lineTo(s,n)}t.closePath()}function Kn(t,e,i,s,n){const{fullCircles:o,startAngle:a,circumference:r,options:l}=e,{borderWidth:h,borderJoinStyle:c,borderDash:d,borderDashOffset:u}=l,f="inner"===l.borderAlign;if(!h)return;t.setLineDash(d||[]),t.lineDashOffset=u,f?(t.lineWidth=2*h,t.lineJoin=c||"round"):(t.lineWidth=h,t.lineJoin=c||"bevel");let g=e.endAngle;if(o){qn(t,e,i,s,g,n);for(let e=0;en?(h=n/l,t.arc(o,a,l,i+h,s-h,!0)):t.arc(o,a,n,i+E,s-E),t.closePath(),t.clip()}(t,e,g),o||(qn(t,e,i,s,g,n),t.stroke())}function Gn(t,e,i=e){t.lineCap=l(i.borderCapStyle,e.borderCapStyle),t.setLineDash(l(i.borderDash,e.borderDash)),t.lineDashOffset=l(i.borderDashOffset,e.borderDashOffset),t.lineJoin=l(i.borderJoinStyle,e.borderJoinStyle),t.lineWidth=l(i.borderWidth,e.borderWidth),t.strokeStyle=l(i.borderColor,e.borderColor)}function Zn(t,e,i){t.lineTo(i.x,i.y)}function Jn(t,e,i={}){const s=t.length,{start:n=0,end:o=s-1}=i,{start:a,end:r}=e,l=Math.max(n,a),h=Math.min(o,r),c=nr&&o>r;return{count:s,start:l,loop:e.loop,ilen:h(a+(h?r-t:t))%o,_=()=>{f!==g&&(t.lineTo(m,g),t.lineTo(m,f),t.lineTo(m,p))};for(l&&(d=n[x(0)],t.moveTo(d.x,d.y)),c=0;c<=r;++c){if(d=n[x(c)],d.skip)continue;const e=d.x,i=d.y,s=0|e;s===u?(ig&&(g=i),m=(b*m+e)/++b):(_(),t.lineTo(e,i),u=s,b=0,f=g=i),p=i}_()}function eo(t){const e=t.options,i=e.borderDash&&e.borderDash.length;return!(t._decimated||t._loop||e.tension||"monotone"===e.cubicInterpolationMode||e.stepped||i)?to:Qn}const io="function"==typeof Path2D;function so(t,e,i,s){io&&!e.options.segment?function(t,e,i,s){let n=e._path;n||(n=e._path=new Path2D,e.path(n,i,s)&&n.closePath()),Gn(t,e.options),t.stroke(n)}(t,e,i,s):function(t,e,i,s){const{segments:n,options:o}=e,a=eo(e);for(const r of n)Gn(t,o,r.style),t.beginPath(),a(t,e,r,{start:i,end:i+s-1})&&t.closePath(),t.stroke()}(t,e,i,s)}class no extends Hs{static id="line";static defaults={borderCapStyle:"butt",borderDash:[],borderDashOffset:0,borderJoinStyle:"miter",borderWidth:3,capBezierPoints:!0,cubicInterpolationMode:"default",fill:!1,spanGaps:!1,stepped:!1,tension:0};static defaultRoutes={backgroundColor:"backgroundColor",borderColor:"borderColor"};static descriptors={_scriptable:!0,_indexable:t=>"borderDash"!==t&&"fill"!==t};constructor(t){super(),this.animated=!0,this.options=void 0,this._chart=void 0,this._loop=void 0,this._fullLoop=void 0,this._path=void 0,this._points=void 0,this._segments=void 0,this._decimated=!1,this._pointsUpdated=!1,this._datasetIndex=void 0,t&&Object.assign(this,t)}updateControlPoints(t,e){const i=this.options;if((i.tension||"monotone"===i.cubicInterpolationMode)&&!i.stepped&&!this._pointsUpdated){const s=i.spanGaps?this._loop:this._fullLoop;hi(this._points,i,t,s,e),this._pointsUpdated=!0}}set points(t){this._points=t,delete this._segments,delete this._path,this._pointsUpdated=!1}get points(){return this._points}get segments(){return this._segments||(this._segments=zi(this,this.options.segment))}first(){const t=this.segments,e=this.points;return t.length&&e[t[0].start]}last(){const t=this.segments,e=this.points,i=t.length;return i&&e[t[i-1].end]}interpolate(t,e){const i=this.options,s=t[e],n=this.points,o=Ii(this,{property:e,start:s,end:s});if(!o.length)return;const a=[],r=function(t){return t.stepped?pi:t.tension||"monotone"===t.cubicInterpolationMode?mi:gi}(i);let l,h;for(l=0,h=o.length;l"borderDash"!==t};circumference;endAngle;fullCircles;innerRadius;outerRadius;pixelMargin;startAngle;constructor(t){super(),this.options=void 0,this.circumference=void 0,this.startAngle=void 0,this.endAngle=void 0,this.innerRadius=void 0,this.outerRadius=void 0,this.pixelMargin=0,this.fullCircles=0,t&&Object.assign(this,t)}inRange(t,e,i){const s=this.getProps(["x","y"],i),{angle:n,distance:o}=X(s,{x:t,y:e}),{startAngle:a,endAngle:r,innerRadius:h,outerRadius:c,circumference:d}=this.getProps(["startAngle","endAngle","innerRadius","outerRadius","circumference"],i),u=(this.options.spacing+this.options.borderWidth)/2,f=l(d,r-a)>=O||Z(n,a,r),g=tt(o,h+u,c+u);return f&&g}getCenterPoint(t){const{x:e,y:i,startAngle:s,endAngle:n,innerRadius:o,outerRadius:a}=this.getProps(["x","y","startAngle","endAngle","innerRadius","outerRadius"],t),{offset:r,spacing:l}=this.options,h=(s+n)/2,c=(o+a+l+r)/2;return{x:e+Math.cos(h)*c,y:i+Math.sin(h)*c}}tooltipPosition(t){return this.getCenterPoint(t)}draw(t){const{options:e,circumference:i}=this,s=(e.offset||0)/4,n=(e.spacing||0)/2,o=e.circular;if(this.pixelMargin="inner"===e.borderAlign?.33:0,this.fullCircles=i>O?Math.floor(i/O):0,0===i||this.innerRadius<0||this.outerRadius<0)return;t.save();const a=(this.startAngle+this.endAngle)/2;t.translate(Math.cos(a)*s,Math.sin(a)*s);const r=s*(1-Math.sin(Math.min(C,i||0)));t.fillStyle=e.backgroundColor,t.strokeStyle=e.borderColor,function(t,e,i,s,n){const{fullCircles:o,startAngle:a,circumference:r}=e;let l=e.endAngle;if(o){qn(t,e,i,s,l,n);for(let e=0;e("string"==typeof e?(i=t.push(e)-1,s.unshift({index:i,label:e})):isNaN(e)&&(i=null),i))(t,e,i,s);return n!==t.lastIndexOf(e)?i:n}function po(t){const e=this.getLabels();return t>=0&&ts=e?s:t,a=t=>n=i?n:t;if(t){const t=F(s),e=F(n);t<0&&e<0?a(0):t>0&&e>0&&o(0)}if(s===n){let e=0===n?1:Math.abs(.05*n);a(n+e),t||o(s-e)}this.min=s,this.max=n}getTickLimit(){const t=this.options.ticks;let e,{maxTicksLimit:i,stepSize:s}=t;return s?(e=Math.ceil(this.max/s)-Math.floor(this.min/s)+1,e>1e3&&(console.warn(`scales.${this.id}.ticks.stepSize: ${s} would result generating up to ${e} ticks. Limiting to 1000.`),e=1e3)):(e=this.computeTickLimit(),i=i||11),i&&(e=Math.min(i,e)),e}computeTickLimit(){return Number.POSITIVE_INFINITY}buildTicks(){const t=this.options,e=t.ticks;let i=this.getTickLimit();i=Math.max(2,i);const n=function(t,e){const i=[],{bounds:n,step:o,min:a,max:r,precision:l,count:h,maxTicks:c,maxDigits:d,includeBounds:u}=t,f=o||1,g=c-1,{min:p,max:m}=e,b=!s(a),x=!s(r),_=!s(h),y=(m-p)/(d+1);let v,M,w,k,S=B((m-p)/g/f)*f;if(S<1e-14&&!b&&!x)return[{value:p},{value:m}];k=Math.ceil(m/S)-Math.floor(p/S),k>g&&(S=B(k*S/g/f)*f),s(l)||(v=Math.pow(10,l),S=Math.ceil(S*v)/v),"ticks"===n?(M=Math.floor(p/S)*S,w=Math.ceil(m/S)*S):(M=p,w=m),b&&x&&o&&H((r-a)/o,S/1e3)?(k=Math.round(Math.min((r-a)/S,c)),S=(r-a)/k,M=a,w=r):_?(M=b?a:M,w=x?r:w,k=h-1,S=(w-M)/k):(k=(w-M)/S,k=V(k,Math.round(k),S/1e3)?Math.round(k):Math.ceil(k));const P=Math.max(U(S),U(M));v=Math.pow(10,s(l)?P:l),M=Math.round(M*v)/v,w=Math.round(w*v)/v;let D=0;for(b&&(u&&M!==a?(i.push({value:a}),Mr)break;i.push({value:t})}return x&&u&&w!==r?i.length&&V(i[i.length-1].value,r,mo(r,y,t))?i[i.length-1].value=r:i.push({value:r}):x&&w!==r||i.push({value:w}),i}({maxTicks:i,bounds:t.bounds,min:t.min,max:t.max,precision:e.precision,step:e.stepSize,count:e.count,maxDigits:this._maxDigits(),horizontal:this.isHorizontal(),minRotation:e.minRotation||0,includeBounds:!1!==e.includeBounds},this._range||this);return"ticks"===t.bounds&&j(n,this,"value"),t.reverse?(n.reverse(),this.start=this.max,this.end=this.min):(this.start=this.min,this.end=this.max),n}configure(){const t=this.ticks;let e=this.min,i=this.max;if(super.configure(),this.options.offset&&t.length){const s=(i-e)/Math.max(t.length-1,1)/2;e-=s,i+=s}this._startValue=e,this._endValue=i,this._valueRange=i-e}getLabelForValue(t){return ne(t,this.chart.options.locale,this.options.ticks.format)}}class xo extends bo{static id="linear";static defaults={ticks:{callback:ae.formatters.numeric}};determineDataLimits(){const{min:t,max:e}=this.getMinMax(!0);this.min=a(t)?t:0,this.max=a(e)?e:1,this.handleTickRangeOptions()}computeTickLimit(){const t=this.isHorizontal(),e=t?this.width:this.height,i=$(this.options.ticks.minRotation),s=(t?Math.sin(i):Math.cos(i))||.001,n=this._resolveTickFontOptions(0);return Math.ceil(e/Math.min(40,n.lineHeight/s))}getPixelForValue(t){return null===t?NaN:this.getPixelForDecimal((t-this._startValue)/this._valueRange)}getValueForPixel(t){return this._startValue+this.getDecimalForPixel(t)*this._valueRange}}const _o=t=>Math.floor(z(t)),yo=(t,e)=>Math.pow(10,_o(t)+e);function vo(t){return 1===t/Math.pow(10,_o(t))}function Mo(t,e,i){const s=Math.pow(10,i),n=Math.floor(t/s);return Math.ceil(e/s)-n}function wo(t,{min:e,max:i}){e=r(t.min,e);const s=[],n=_o(e);let o=function(t,e){let i=_o(e-t);for(;Mo(t,e,i)>10;)i++;for(;Mo(t,e,i)<10;)i--;return Math.min(i,_o(t))}(e,i),a=o<0?Math.pow(10,Math.abs(o)):1;const l=Math.pow(10,o),h=n>o?Math.pow(10,n):0,c=Math.round((e-h)*a)/a,d=Math.floor((e-h)/l/10)*l*10;let u=Math.floor((c-d)/Math.pow(10,o)),f=r(t.min,Math.round((h+d+u*Math.pow(10,o))*a)/a);for(;f=10?u=u<15?15:20:u++,u>=20&&(o++,u=2,a=o>=0?1:a),f=Math.round((h+d+u*Math.pow(10,o))*a)/a;const g=r(t.max,f);return s.push({value:g,major:vo(g),significand:u}),s}class ko extends Js{static id="logarithmic";static defaults={ticks:{callback:ae.formatters.logarithmic,major:{enabled:!0}}};constructor(t){super(t),this.start=void 0,this.end=void 0,this._startValue=void 0,this._valueRange=0}parse(t,e){const i=bo.prototype.parse.apply(this,[t,e]);if(0!==i)return a(i)&&i>0?i:null;this._zero=!0}determineDataLimits(){const{min:t,max:e}=this.getMinMax(!0);this.min=a(t)?Math.max(0,t):null,this.max=a(e)?Math.max(0,e):null,this.options.beginAtZero&&(this._zero=!0),this._zero&&this.min!==this._suggestedMin&&!a(this._userMin)&&(this.min=t===yo(this.min,0)?yo(this.min,-1):yo(this.min,0)),this.handleTickRangeOptions()}handleTickRangeOptions(){const{minDefined:t,maxDefined:e}=this.getUserBounds();let i=this.min,s=this.max;const n=e=>i=t?i:e,o=t=>s=e?s:t;i===s&&(i<=0?(n(1),o(10)):(n(yo(i,-1)),o(yo(s,1)))),i<=0&&n(yo(s,-1)),s<=0&&o(yo(i,1)),this.min=i,this.max=s}buildTicks(){const t=this.options,e=wo({min:this._userMin,max:this._userMax},this);return"ticks"===t.bounds&&j(e,this,"value"),t.reverse?(e.reverse(),this.start=this.max,this.end=this.min):(this.start=this.min,this.end=this.max),e}getLabelForValue(t){return void 0===t?"0":ne(t,this.chart.options.locale,this.options.ticks.format)}configure(){const t=this.min;super.configure(),this._startValue=z(t),this._valueRange=z(this.max)-z(t)}getPixelForValue(t){return void 0!==t&&0!==t||(t=this.min),null===t||isNaN(t)?NaN:this.getPixelForDecimal(t===this.min?0:(z(t)-this._startValue)/this._valueRange)}getValueForPixel(t){const e=this.getDecimalForPixel(t);return Math.pow(10,this._startValue+e*this._valueRange)}}function So(t){const e=t.ticks;if(e.display&&t.display){const t=ki(e.backdropPadding);return l(e.font&&e.font.size,ue.font.size)+t.height}return 0}function Po(t,e,i,s,n){return t===s||t===n?{start:e-i/2,end:e+i/2}:tn?{start:e-i,end:e}:{start:e,end:e+i}}function Do(t){const e={l:t.left+t._padding.left,r:t.right-t._padding.right,t:t.top+t._padding.top,b:t.bottom-t._padding.bottom},i=Object.assign({},e),s=[],o=[],a=t._pointLabels.length,r=t.options.pointLabels,l=r.centerPointLabels?C/a:0;for(let u=0;ue.r&&(r=(s.end-e.r)/o,t.r=Math.max(t.r,e.r+r)),n.starte.b&&(l=(n.end-e.b)/a,t.b=Math.max(t.b,e.b+l))}function Oo(t,e,i){const s=t.drawingArea,{extra:n,additionalAngle:o,padding:a,size:r}=i,l=t.getPointPosition(e,s+n+a,o),h=Math.round(Y(G(l.angle+E))),c=function(t,e,i){90===i||270===i?t-=e/2:(i>270||i<90)&&(t-=e);return t}(l.y,r.h,h),d=function(t){if(0===t||180===t)return"center";if(t<180)return"left";return"right"}(h),u=function(t,e,i){"right"===i?t-=e:"center"===i&&(t-=e/2);return t}(l.x,r.w,d);return{visible:!0,x:l.x,y:c,textAlign:d,left:u,top:c,right:u+r.w,bottom:c+r.h}}function Ao(t,e){if(!e)return!0;const{left:i,top:s,right:n,bottom:o}=t;return!(Re({x:i,y:s},e)||Re({x:i,y:o},e)||Re({x:n,y:s},e)||Re({x:n,y:o},e))}function To(t,e,i){const{left:n,top:o,right:a,bottom:r}=i,{backdropColor:l}=e;if(!s(l)){const i=wi(e.borderRadius),s=ki(e.backdropPadding);t.fillStyle=l;const h=n-s.left,c=o-s.top,d=a-n+s.width,u=r-o+s.height;Object.values(i).some((t=>0!==t))?(t.beginPath(),He(t,{x:h,y:c,w:d,h:u,radius:i}),t.fill()):t.fillRect(h,c,d,u)}}function Lo(t,e,i,s){const{ctx:n}=t;if(i)n.arc(t.xCenter,t.yCenter,e,0,O);else{let i=t.getPointPosition(0,e);n.moveTo(i.x,i.y);for(let o=1;ot,padding:5,centerPointLabels:!1}};static defaultRoutes={"angleLines.color":"borderColor","pointLabels.color":"color","ticks.color":"color"};static descriptors={angleLines:{_fallback:"grid"}};constructor(t){super(t),this.xCenter=void 0,this.yCenter=void 0,this.drawingArea=void 0,this._pointLabels=[],this._pointLabelItems=[]}setDimensions(){const t=this._padding=ki(So(this.options)/2),e=this.width=this.maxWidth-t.width,i=this.height=this.maxHeight-t.height;this.xCenter=Math.floor(this.left+e/2+t.left),this.yCenter=Math.floor(this.top+i/2+t.top),this.drawingArea=Math.floor(Math.min(e,i)/2)}determineDataLimits(){const{min:t,max:e}=this.getMinMax(!1);this.min=a(t)&&!isNaN(t)?t:0,this.max=a(e)&&!isNaN(e)?e:0,this.handleTickRangeOptions()}computeTickLimit(){return Math.ceil(this.drawingArea/So(this.options))}generateTickLabels(t){bo.prototype.generateTickLabels.call(this,t),this._pointLabels=this.getLabels().map(((t,e)=>{const i=d(this.options.pointLabels.callback,[t,e],this);return i||0===i?i:""})).filter(((t,e)=>this.chart.getDataVisibility(e)))}fit(){const t=this.options;t.display&&t.pointLabels.display?Do(this):this.setCenterPoint(0,0,0,0)}setCenterPoint(t,e,i,s){this.xCenter+=Math.floor((t-e)/2),this.yCenter+=Math.floor((i-s)/2),this.drawingArea-=Math.min(this.drawingArea/2,Math.max(t,e,i,s))}getIndexAngle(t){return G(t*(O/(this._pointLabels.length||1))+$(this.options.startAngle||0))}getDistanceFromCenterForValue(t){if(s(t))return NaN;const e=this.drawingArea/(this.max-this.min);return this.options.reverse?(this.max-t)*e:(t-this.min)*e}getValueForDistanceFromCenter(t){if(s(t))return NaN;const e=t/(this.drawingArea/(this.max-this.min));return this.options.reverse?this.max-e:this.min+e}getPointLabelContext(t){const e=this._pointLabels||[];if(t>=0&&t=0;n--){const e=t._pointLabelItems[n];if(!e.visible)continue;const o=s.setContext(t.getPointLabelContext(n));To(i,o,e);const a=Si(o.font),{x:r,y:l,textAlign:h}=e;Ne(i,t._pointLabels[n],r,l+a.lineHeight/2,a,{color:o.color,textAlign:h,textBaseline:"middle"})}}(this,o),s.display&&this.ticks.forEach(((t,e)=>{if(0!==e){r=this.getDistanceFromCenterForValue(t.value);const i=this.getContext(e),a=s.setContext(i),l=n.setContext(i);!function(t,e,i,s,n){const o=t.ctx,a=e.circular,{color:r,lineWidth:l}=e;!a&&!s||!r||!l||i<0||(o.save(),o.strokeStyle=r,o.lineWidth=l,o.setLineDash(n.dash),o.lineDashOffset=n.dashOffset,o.beginPath(),Lo(t,i,a,s),o.closePath(),o.stroke(),o.restore())}(this,a,r,o,l)}})),i.display){for(t.save(),a=o-1;a>=0;a--){const s=i.setContext(this.getPointLabelContext(a)),{color:n,lineWidth:o}=s;o&&n&&(t.lineWidth=o,t.strokeStyle=n,t.setLineDash(s.borderDash),t.lineDashOffset=s.borderDashOffset,r=this.getDistanceFromCenterForValue(e.ticks.reverse?this.min:this.max),l=this.getPointPosition(a,r),t.beginPath(),t.moveTo(this.xCenter,this.yCenter),t.lineTo(l.x,l.y),t.stroke())}t.restore()}}drawBorder(){}drawLabels(){const t=this.ctx,e=this.options,i=e.ticks;if(!i.display)return;const s=this.getIndexAngle(0);let n,o;t.save(),t.translate(this.xCenter,this.yCenter),t.rotate(s),t.textAlign="center",t.textBaseline="middle",this.ticks.forEach(((s,a)=>{if(0===a&&!e.reverse)return;const r=i.setContext(this.getContext(a)),l=Si(r.font);if(n=this.getDistanceFromCenterForValue(this.ticks[a].value),r.showLabelBackdrop){t.font=l.string,o=t.measureText(s.label).width,t.fillStyle=r.backdropColor;const e=ki(r.backdropPadding);t.fillRect(-o/2-e.left,-n-l.size/2-e.top,o+e.width,l.size+e.height)}Ne(t,s.label,0,-n,l,{color:r.color,strokeColor:r.textStrokeColor,strokeWidth:r.textStrokeWidth})})),t.restore()}drawTitle(){}}const Ro={millisecond:{common:!0,size:1,steps:1e3},second:{common:!0,size:1e3,steps:60},minute:{common:!0,size:6e4,steps:60},hour:{common:!0,size:36e5,steps:24},day:{common:!0,size:864e5,steps:30},week:{common:!1,size:6048e5,steps:4},month:{common:!0,size:2628e6,steps:12},quarter:{common:!1,size:7884e6,steps:4},year:{common:!0,size:3154e7}},Io=Object.keys(Ro);function zo(t,e){return t-e}function Fo(t,e){if(s(e))return null;const i=t._adapter,{parser:n,round:o,isoWeekday:r}=t._parseOpts;let l=e;return"function"==typeof n&&(l=n(l)),a(l)||(l="string"==typeof n?i.parse(l,n):i.parse(l)),null===l?null:(o&&(l="week"!==o||!N(r)&&!0!==r?i.startOf(l,o):i.startOf(l,"isoWeek",r)),+l)}function Vo(t,e,i,s){const n=Io.length;for(let o=Io.indexOf(t);o=e?i[s]:i[n]]=!0}}else t[e]=!0}function Wo(t,e,i){const s=[],n={},o=e.length;let a,r;for(a=0;a=0&&(e[l].major=!0);return e}(t,s,n,i):s}class No extends Js{static id="time";static defaults={bounds:"data",adapters:{},time:{parser:!1,unit:!1,round:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{}},ticks:{source:"auto",callback:!1,major:{enabled:!1}}};constructor(t){super(t),this._cache={data:[],labels:[],all:[]},this._unit="day",this._majorUnit=void 0,this._offsets={},this._normalized=!1,this._parseOpts=void 0}init(t,e={}){const i=t.time||(t.time={}),s=this._adapter=new Rn._date(t.adapters.date);s.init(e),x(i.displayFormats,s.formats()),this._parseOpts={parser:i.parser,round:i.round,isoWeekday:i.isoWeekday},super.init(t),this._normalized=e.normalized}parse(t,e){return void 0===t?null:Fo(this,t)}beforeLayout(){super.beforeLayout(),this._cache={data:[],labels:[],all:[]}}determineDataLimits(){const t=this.options,e=this._adapter,i=t.time.unit||"day";let{min:s,max:n,minDefined:o,maxDefined:r}=this.getUserBounds();function l(t){o||isNaN(t.min)||(s=Math.min(s,t.min)),r||isNaN(t.max)||(n=Math.max(n,t.max))}o&&r||(l(this._getLabelBounds()),"ticks"===t.bounds&&"labels"===t.ticks.source||l(this.getMinMax(!1))),s=a(s)&&!isNaN(s)?s:+e.startOf(Date.now(),i),n=a(n)&&!isNaN(n)?n:+e.endOf(Date.now(),i)+1,this.min=Math.min(s,n-1),this.max=Math.max(s+1,n)}_getLabelBounds(){const t=this.getLabelTimestamps();let e=Number.POSITIVE_INFINITY,i=Number.NEGATIVE_INFINITY;return t.length&&(e=t[0],i=t[t.length-1]),{min:e,max:i}}buildTicks(){const t=this.options,e=t.time,i=t.ticks,s="labels"===i.source?this.getLabelTimestamps():this._generate();"ticks"===t.bounds&&s.length&&(this.min=this._userMin||s[0],this.max=this._userMax||s[s.length-1]);const n=this.min,o=nt(s,n,this.max);return this._unit=e.unit||(i.autoSkip?Vo(e.minUnit,this.min,this.max,this._getLabelCapacity(n)):function(t,e,i,s,n){for(let o=Io.length-1;o>=Io.indexOf(i);o--){const i=Io[o];if(Ro[i].common&&t._adapter.diff(n,s,i)>=e-1)return i}return Io[i?Io.indexOf(i):0]}(this,o.length,e.minUnit,this.min,this.max)),this._majorUnit=i.major.enabled&&"year"!==this._unit?function(t){for(let e=Io.indexOf(t)+1,i=Io.length;e+t.value)))}initOffsets(t=[]){let e,i,s=0,n=0;this.options.offset&&t.length&&(e=this.getDecimalForValue(t[0]),s=1===t.length?1-e:(this.getDecimalForValue(t[1])-e)/2,i=this.getDecimalForValue(t[t.length-1]),n=1===t.length?i:(i-this.getDecimalForValue(t[t.length-2]))/2);const o=t.length<3?.5:.25;s=J(s,0,o),n=J(n,0,o),this._offsets={start:s,end:n,factor:1/(s+1+n)}}_generate(){const t=this._adapter,e=this.min,i=this.max,s=this.options,n=s.time,o=n.unit||Vo(n.minUnit,e,i,this._getLabelCapacity(e)),a=l(s.ticks.stepSize,1),r="week"===o&&n.isoWeekday,h=N(r)||!0===r,c={};let d,u,f=e;if(h&&(f=+t.startOf(f,"isoWeek",r)),f=+t.startOf(f,h?"day":o),t.diff(i,e,o)>1e5*a)throw new Error(e+" and "+i+" are too far apart with stepSize of "+a+" "+o);const g="data"===s.ticks.source&&this.getDataTimestamps();for(d=f,u=0;d+t))}getLabelForValue(t){const e=this._adapter,i=this.options.time;return i.tooltipFormat?e.format(t,i.tooltipFormat):e.format(t,i.displayFormats.datetime)}format(t,e){const i=this.options.time.displayFormats,s=this._unit,n=e||i[s];return this._adapter.format(t,n)}_tickFormatFunction(t,e,i,s){const n=this.options,o=n.ticks.callback;if(o)return d(o,[t,e,i],this);const a=n.time.displayFormats,r=this._unit,l=this._majorUnit,h=r&&a[r],c=l&&a[l],u=i[e],f=l&&c&&u&&u.major;return this._adapter.format(t,s||(f?c:h))}generateTickLabels(t){let e,i,s;for(e=0,i=t.length;e0?a:1}getDataTimestamps(){let t,e,i=this._cache.data||[];if(i.length)return i;const s=this.getMatchingVisibleMetas();if(this._normalized&&s.length)return this._cache.data=s[0].controller.getAllParsedValues(this);for(t=0,e=s.length;t=t[r].pos&&e<=t[l].pos&&({lo:r,hi:l}=it(t,"pos",e)),({pos:s,time:o}=t[r]),({pos:n,time:a}=t[l])):(e>=t[r].time&&e<=t[l].time&&({lo:r,hi:l}=it(t,"time",e)),({time:s,pos:o}=t[r]),({time:n,pos:a}=t[l]));const h=n-s;return h?o+(a-o)*(e-s)/h:o}var jo=Object.freeze({__proto__:null,CategoryScale:class extends Js{static id="category";static defaults={ticks:{callback:po}};constructor(t){super(t),this._startValue=void 0,this._valueRange=0,this._addedLabels=[]}init(t){const e=this._addedLabels;if(e.length){const t=this.getLabels();for(const{index:i,label:s}of e)t[i]===s&&t.splice(i,1);this._addedLabels=[]}super.init(t)}parse(t,e){if(s(t))return null;const i=this.getLabels();return((t,e)=>null===t?null:J(Math.round(t),0,e))(e=isFinite(e)&&i[e]===t?e:go(i,t,l(e,t),this._addedLabels),i.length-1)}determineDataLimits(){const{minDefined:t,maxDefined:e}=this.getUserBounds();let{min:i,max:s}=this.getMinMax(!0);"ticks"===this.options.bounds&&(t||(i=0),e||(s=this.getLabels().length-1)),this.min=i,this.max=s}buildTicks(){const t=this.min,e=this.max,i=this.options.offset,s=[];let n=this.getLabels();n=0===t&&e===n.length-1?n:n.slice(t,e+1),this._valueRange=Math.max(n.length-(i?0:1),1),this._startValue=this.min-(i?.5:0);for(let i=t;i<=e;i++)s.push({value:i});return s}getLabelForValue(t){return po.call(this,t)}configure(){super.configure(),this.isHorizontal()||(this._reversePixels=!this._reversePixels)}getPixelForValue(t){return"number"!=typeof t&&(t=this.parse(t)),null===t?NaN:this.getPixelForDecimal((t-this._startValue)/this._valueRange)}getPixelForTick(t){const e=this.ticks;return t<0||t>e.length-1?null:this.getPixelForValue(e[t].value)}getValueForPixel(t){return Math.round(this._startValue+this.getDecimalForPixel(t)*this._valueRange)}getBasePixel(){return this.bottom}},LinearScale:xo,LogarithmicScale:ko,RadialLinearScale:Eo,TimeScale:No,TimeSeriesScale:class extends No{static id="timeseries";static defaults=No.defaults;constructor(t){super(t),this._table=[],this._minPos=void 0,this._tableRange=void 0}initOffsets(){const t=this._getTimestampsForTable(),e=this._table=this.buildLookupTable(t);this._minPos=Ho(e,this.min),this._tableRange=Ho(e,this.max)-this._minPos,super.initOffsets(t)}buildLookupTable(t){const{min:e,max:i}=this,s=[],n=[];let o,a,r,l,h;for(o=0,a=t.length;o=e&&l<=i&&s.push(l);if(s.length<2)return[{time:e,pos:0},{time:i,pos:1}];for(o=0,a=s.length;ot-e))}_getTimestampsForTable(){let t=this._cache.all||[];if(t.length)return t;const e=this.getDataTimestamps(),i=this.getLabelTimestamps();return t=e.length&&i.length?this.normalize(e.concat(i)):e.length?e:i,t=this._cache.all=t,t}getDecimalForValue(t){return(Ho(this._table,t)-this._minPos)/this._tableRange}getValueForPixel(t){const e=this._offsets,i=this.getDecimalForPixel(t)/e.factor-e.end;return Ho(this._table,i*this._tableRange+this._minPos,!0)}}});const $o=["rgb(54, 162, 235)","rgb(255, 99, 132)","rgb(255, 159, 64)","rgb(255, 205, 86)","rgb(75, 192, 192)","rgb(153, 102, 255)","rgb(201, 203, 207)"],Yo=$o.map((t=>t.replace("rgb(","rgba(").replace(")",", 0.5)")));function Uo(t){return $o[t%$o.length]}function Xo(t){return Yo[t%Yo.length]}function qo(t){let e=0;return(i,s)=>{const n=t.getDatasetMeta(s).controller;n instanceof jn?e=function(t,e){return t.backgroundColor=t.data.map((()=>Uo(e++))),e}(i,e):n instanceof $n?e=function(t,e){return t.backgroundColor=t.data.map((()=>Xo(e++))),e}(i,e):n&&(e=function(t,e){return t.borderColor=Uo(e),t.backgroundColor=Xo(e),++e}(i,e))}}function Ko(t){let e;for(e in t)if(t[e].borderColor||t[e].backgroundColor)return!0;return!1}var Go={id:"colors",defaults:{enabled:!0,forceOverride:!1},beforeLayout(t,e,i){if(!i.enabled)return;const{data:{datasets:s},options:n}=t.config,{elements:o}=n;if(!i.forceOverride&&(Ko(s)||(a=n)&&(a.borderColor||a.backgroundColor)||o&&Ko(o)))return;var a;const r=qo(t);s.forEach(r)}};function Zo(t){if(t._decimated){const e=t._data;delete t._decimated,delete t._data,Object.defineProperty(t,"data",{configurable:!0,enumerable:!0,writable:!0,value:e})}}function Jo(t){t.data.datasets.forEach((t=>{Zo(t)}))}var Qo={id:"decimation",defaults:{algorithm:"min-max",enabled:!1},beforeElementsUpdate:(t,e,i)=>{if(!i.enabled)return void Jo(t);const n=t.width;t.data.datasets.forEach(((e,o)=>{const{_data:a,indexAxis:r}=e,l=t.getDatasetMeta(o),h=a||e.data;if("y"===Pi([r,t.options.indexAxis]))return;if(!l.controller.supportsDecimation)return;const c=t.scales[l.xAxisID];if("linear"!==c.type&&"time"!==c.type)return;if(t.options.parsing)return;let{start:d,count:u}=function(t,e){const i=e.length;let s,n=0;const{iScale:o}=t,{min:a,max:r,minDefined:l,maxDefined:h}=o.getUserBounds();return l&&(n=J(it(e,o.axis,a).lo,0,i-1)),s=h?J(it(e,o.axis,r).hi+1,n,i)-n:i-n,{start:n,count:s}}(l,h);if(u<=(i.threshold||4*n))return void Zo(e);let f;switch(s(a)&&(e._data=h,delete e.data,Object.defineProperty(e,"data",{configurable:!0,enumerable:!0,get:function(){return this._decimated},set:function(t){this._data=t}})),i.algorithm){case"lttb":f=function(t,e,i,s,n){const o=n.samples||s;if(o>=i)return t.slice(e,e+i);const a=[],r=(i-2)/(o-2);let l=0;const h=e+i-1;let c,d,u,f,g,p=e;for(a[l++]=t[p],c=0;cu&&(u=f,d=t[s],g=s);a[l++]=d,p=g}return a[l++]=t[h],a}(h,d,u,n,i);break;case"min-max":f=function(t,e,i,n){let o,a,r,l,h,c,d,u,f,g,p=0,m=0;const b=[],x=e+i-1,_=t[e].x,y=t[x].x-_;for(o=e;og&&(g=l,d=o),p=(m*p+a.x)/++m;else{const i=o-1;if(!s(c)&&!s(d)){const e=Math.min(c,d),s=Math.max(c,d);e!==u&&e!==i&&b.push({...t[e],x:p}),s!==u&&s!==i&&b.push({...t[s],x:p})}o>0&&i!==u&&b.push(t[i]),b.push(a),h=e,m=0,f=g=l,c=d=u=o}}return b}(h,d,u,n);break;default:throw new Error(`Unsupported decimation algorithm '${i.algorithm}'`)}e._decimated=f}))},destroy(t){Jo(t)}};function ta(t,e,i,s){if(s)return;let n=e[t],o=i[t];return"angle"===t&&(n=G(n),o=G(o)),{property:t,start:n,end:o}}function ea(t,e,i){for(;e>t;e--){const t=i[e];if(!isNaN(t.x)&&!isNaN(t.y))break}return e}function ia(t,e,i,s){return t&&e?s(t[i],e[i]):t?t[i]:e?e[i]:0}function sa(t,e){let i=[],s=!1;return n(t)?(s=!0,i=t):i=function(t,e){const{x:i=null,y:s=null}=t||{},n=e.points,o=[];return e.segments.forEach((({start:t,end:e})=>{e=ea(t,e,n);const a=n[t],r=n[e];null!==s?(o.push({x:a.x,y:s}),o.push({x:r.x,y:s})):null!==i&&(o.push({x:i,y:a.y}),o.push({x:i,y:r.y}))})),o}(t,e),i.length?new no({points:i,options:{tension:0},_loop:s,_fullLoop:s}):null}function na(t){return t&&!1!==t.fill}function oa(t,e,i){let s=t[e].fill;const n=[e];let o;if(!i)return s;for(;!1!==s&&-1===n.indexOf(s);){if(!a(s))return s;if(o=t[s],!o)return!1;if(o.visible)return s;n.push(s),s=o.fill}return!1}function aa(t,e,i){const s=function(t){const e=t.options,i=e.fill;let s=l(i&&i.target,i);void 0===s&&(s=!!e.backgroundColor);if(!1===s||null===s)return!1;if(!0===s)return"origin";return s}(t);if(o(s))return!isNaN(s.value)&&s;let n=parseFloat(s);return a(n)&&Math.floor(n)===n?function(t,e,i,s){"-"!==t&&"+"!==t||(i=e+i);if(i===e||i<0||i>=s)return!1;return i}(s[0],e,n,i):["origin","start","end","stack","shape"].indexOf(s)>=0&&s}function ra(t,e,i){const s=[];for(let n=0;n=0;--e){const i=n[e].$filler;i&&(i.line.updateControlPoints(o,i.axis),s&&i.fill&&da(t.ctx,i,o))}},beforeDatasetsDraw(t,e,i){if("beforeDatasetsDraw"!==i.drawTime)return;const s=t.getSortedVisibleDatasetMetas();for(let e=s.length-1;e>=0;--e){const i=s[e].$filler;na(i)&&da(t.ctx,i,t.chartArea)}},beforeDatasetDraw(t,e,i){const s=e.meta.$filler;na(s)&&"beforeDatasetDraw"===i.drawTime&&da(t.ctx,s,t.chartArea)},defaults:{propagate:!0,drawTime:"beforeDatasetDraw"}};const ba=(t,e)=>{let{boxHeight:i=e,boxWidth:s=e}=t;return t.usePointStyle&&(i=Math.min(i,e),s=t.pointStyleWidth||Math.min(s,e)),{boxWidth:s,boxHeight:i,itemHeight:Math.max(e,i)}};class xa extends Hs{constructor(t){super(),this._added=!1,this.legendHitBoxes=[],this._hoveredItem=null,this.doughnutMode=!1,this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this.legendItems=void 0,this.columnSizes=void 0,this.lineWidths=void 0,this.maxHeight=void 0,this.maxWidth=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.height=void 0,this.width=void 0,this._margins=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e,i){this.maxWidth=t,this.maxHeight=e,this._margins=i,this.setDimensions(),this.buildLabels(),this.fit()}setDimensions(){this.isHorizontal()?(this.width=this.maxWidth,this.left=this._margins.left,this.right=this.width):(this.height=this.maxHeight,this.top=this._margins.top,this.bottom=this.height)}buildLabels(){const t=this.options.labels||{};let e=d(t.generateLabels,[this.chart],this)||[];t.filter&&(e=e.filter((e=>t.filter(e,this.chart.data)))),t.sort&&(e=e.sort(((e,i)=>t.sort(e,i,this.chart.data)))),this.options.reverse&&e.reverse(),this.legendItems=e}fit(){const{options:t,ctx:e}=this;if(!t.display)return void(this.width=this.height=0);const i=t.labels,s=Si(i.font),n=s.size,o=this._computeTitleHeight(),{boxWidth:a,itemHeight:r}=ba(i,n);let l,h;e.font=s.string,this.isHorizontal()?(l=this.maxWidth,h=this._fitRows(o,n,a,r)+10):(h=this.maxHeight,l=this._fitCols(o,s,a,r)+10),this.width=Math.min(l,t.maxWidth||this.maxWidth),this.height=Math.min(h,t.maxHeight||this.maxHeight)}_fitRows(t,e,i,s){const{ctx:n,maxWidth:o,options:{labels:{padding:a}}}=this,r=this.legendHitBoxes=[],l=this.lineWidths=[0],h=s+a;let c=t;n.textAlign="left",n.textBaseline="middle";let d=-1,u=-h;return this.legendItems.forEach(((t,f)=>{const g=i+e/2+n.measureText(t.text).width;(0===f||l[l.length-1]+g+2*a>o)&&(c+=h,l[l.length-(f>0?0:1)]=0,u+=h,d++),r[f]={left:0,top:u,row:d,width:g,height:s},l[l.length-1]+=g+a})),c}_fitCols(t,e,i,s){const{ctx:n,maxHeight:o,options:{labels:{padding:a}}}=this,r=this.legendHitBoxes=[],l=this.columnSizes=[],h=o-t;let c=a,d=0,u=0,f=0,g=0;return this.legendItems.forEach(((t,o)=>{const{itemWidth:p,itemHeight:m}=function(t,e,i,s,n){const o=function(t,e,i,s){let n=t.text;n&&"string"!=typeof n&&(n=n.reduce(((t,e)=>t.length>e.length?t:e)));return e+i.size/2+s.measureText(n).width}(s,t,e,i),a=function(t,e,i){let s=t;"string"!=typeof e.text&&(s=_a(e,i));return s}(n,s,e.lineHeight);return{itemWidth:o,itemHeight:a}}(i,e,n,t,s);o>0&&u+m+2*a>h&&(c+=d+a,l.push({width:d,height:u}),f+=d+a,g++,d=u=0),r[o]={left:f,top:u,col:g,width:p,height:m},d=Math.max(d,p),u+=m+a})),c+=d,l.push({width:d,height:u}),c}adjustHitBoxes(){if(!this.options.display)return;const t=this._computeTitleHeight(),{legendHitBoxes:e,options:{align:i,labels:{padding:s},rtl:n}}=this,o=Oi(n,this.left,this.width);if(this.isHorizontal()){let n=0,a=ft(i,this.left+s,this.right-this.lineWidths[n]);for(const r of e)n!==r.row&&(n=r.row,a=ft(i,this.left+s,this.right-this.lineWidths[n])),r.top+=this.top+t+s,r.left=o.leftForLtr(o.x(a),r.width),a+=r.width+s}else{let n=0,a=ft(i,this.top+t+s,this.bottom-this.columnSizes[n].height);for(const r of e)r.col!==n&&(n=r.col,a=ft(i,this.top+t+s,this.bottom-this.columnSizes[n].height)),r.top=a,r.left+=this.left+s,r.left=o.leftForLtr(o.x(r.left),r.width),a+=r.height+s}}isHorizontal(){return"top"===this.options.position||"bottom"===this.options.position}draw(){if(this.options.display){const t=this.ctx;Ie(t,this),this._draw(),ze(t)}}_draw(){const{options:t,columnSizes:e,lineWidths:i,ctx:s}=this,{align:n,labels:o}=t,a=ue.color,r=Oi(t.rtl,this.left,this.width),h=Si(o.font),{padding:c}=o,d=h.size,u=d/2;let f;this.drawTitle(),s.textAlign=r.textAlign("left"),s.textBaseline="middle",s.lineWidth=.5,s.font=h.string;const{boxWidth:g,boxHeight:p,itemHeight:m}=ba(o,d),b=this.isHorizontal(),x=this._computeTitleHeight();f=b?{x:ft(n,this.left+c,this.right-i[0]),y:this.top+c+x,line:0}:{x:this.left+c,y:ft(n,this.top+x+c,this.bottom-e[0].height),line:0},Ai(this.ctx,t.textDirection);const _=m+c;this.legendItems.forEach(((y,v)=>{s.strokeStyle=y.fontColor,s.fillStyle=y.fontColor;const M=s.measureText(y.text).width,w=r.textAlign(y.textAlign||(y.textAlign=o.textAlign)),k=g+u+M;let S=f.x,P=f.y;r.setWidth(this.width),b?v>0&&S+k+c>this.right&&(P=f.y+=_,f.line++,S=f.x=ft(n,this.left+c,this.right-i[f.line])):v>0&&P+_>this.bottom&&(S=f.x=S+e[f.line].width+c,f.line++,P=f.y=ft(n,this.top+x+c,this.bottom-e[f.line].height));if(function(t,e,i){if(isNaN(g)||g<=0||isNaN(p)||p<0)return;s.save();const n=l(i.lineWidth,1);if(s.fillStyle=l(i.fillStyle,a),s.lineCap=l(i.lineCap,"butt"),s.lineDashOffset=l(i.lineDashOffset,0),s.lineJoin=l(i.lineJoin,"miter"),s.lineWidth=n,s.strokeStyle=l(i.strokeStyle,a),s.setLineDash(l(i.lineDash,[])),o.usePointStyle){const a={radius:p*Math.SQRT2/2,pointStyle:i.pointStyle,rotation:i.rotation,borderWidth:n},l=r.xPlus(t,g/2);Ee(s,a,l,e+u,o.pointStyleWidth&&g)}else{const o=e+Math.max((d-p)/2,0),a=r.leftForLtr(t,g),l=wi(i.borderRadius);s.beginPath(),Object.values(l).some((t=>0!==t))?He(s,{x:a,y:o,w:g,h:p,radius:l}):s.rect(a,o,g,p),s.fill(),0!==n&&s.stroke()}s.restore()}(r.x(S),P,y),S=gt(w,S+g+u,b?S+k:this.right,t.rtl),function(t,e,i){Ne(s,i.text,t,e+m/2,h,{strikethrough:i.hidden,textAlign:r.textAlign(i.textAlign)})}(r.x(S),P,y),b)f.x+=k+c;else if("string"!=typeof y.text){const t=h.lineHeight;f.y+=_a(y,t)+c}else f.y+=_})),Ti(this.ctx,t.textDirection)}drawTitle(){const t=this.options,e=t.title,i=Si(e.font),s=ki(e.padding);if(!e.display)return;const n=Oi(t.rtl,this.left,this.width),o=this.ctx,a=e.position,r=i.size/2,l=s.top+r;let h,c=this.left,d=this.width;if(this.isHorizontal())d=Math.max(...this.lineWidths),h=this.top+l,c=ft(t.align,c,this.right-d);else{const e=this.columnSizes.reduce(((t,e)=>Math.max(t,e.height)),0);h=l+ft(t.align,this.top,this.bottom-e-t.labels.padding-this._computeTitleHeight())}const u=ft(a,c,c+d);o.textAlign=n.textAlign(ut(a)),o.textBaseline="middle",o.strokeStyle=e.color,o.fillStyle=e.color,o.font=i.string,Ne(o,e.text,u,h,i)}_computeTitleHeight(){const t=this.options.title,e=Si(t.font),i=ki(t.padding);return t.display?e.lineHeight+i.height:0}_getLegendItemAt(t,e){let i,s,n;if(tt(t,this.left,this.right)&&tt(e,this.top,this.bottom))for(n=this.legendHitBoxes,i=0;it.chart.options.color,boxWidth:40,padding:10,generateLabels(t){const e=t.data.datasets,{labels:{usePointStyle:i,pointStyle:s,textAlign:n,color:o,useBorderRadius:a,borderRadius:r}}=t.legend.options;return t._getSortedDatasetMetas().map((t=>{const l=t.controller.getStyle(i?0:void 0),h=ki(l.borderWidth);return{text:e[t.index].label,fillStyle:l.backgroundColor,fontColor:o,hidden:!t.visible,lineCap:l.borderCapStyle,lineDash:l.borderDash,lineDashOffset:l.borderDashOffset,lineJoin:l.borderJoinStyle,lineWidth:(h.width+h.height)/4,strokeStyle:l.borderColor,pointStyle:s||l.pointStyle,rotation:l.rotation,textAlign:n||l.textAlign,borderRadius:a&&(r||l.borderRadius),datasetIndex:t.index}}),this)}},title:{color:t=>t.chart.options.color,display:!1,position:"center",text:""}},descriptors:{_scriptable:t=>!t.startsWith("on"),labels:{_scriptable:t=>!["generateLabels","filter","sort"].includes(t)}}};class va extends Hs{constructor(t){super(),this.chart=t.chart,this.options=t.options,this.ctx=t.ctx,this._padding=void 0,this.top=void 0,this.bottom=void 0,this.left=void 0,this.right=void 0,this.width=void 0,this.height=void 0,this.position=void 0,this.weight=void 0,this.fullSize=void 0}update(t,e){const i=this.options;if(this.left=0,this.top=0,!i.display)return void(this.width=this.height=this.right=this.bottom=0);this.width=this.right=t,this.height=this.bottom=e;const s=n(i.text)?i.text.length:1;this._padding=ki(i.padding);const o=s*Si(i.font).lineHeight+this._padding.height;this.isHorizontal()?this.height=o:this.width=o}isHorizontal(){const t=this.options.position;return"top"===t||"bottom"===t}_drawArgs(t){const{top:e,left:i,bottom:s,right:n,options:o}=this,a=o.align;let r,l,h,c=0;return this.isHorizontal()?(l=ft(a,i,n),h=e+t,r=n-i):("left"===o.position?(l=i+t,h=ft(a,s,e),c=-.5*C):(l=n-t,h=ft(a,e,s),c=.5*C),r=s-e),{titleX:l,titleY:h,maxWidth:r,rotation:c}}draw(){const t=this.ctx,e=this.options;if(!e.display)return;const i=Si(e.font),s=i.lineHeight/2+this._padding.top,{titleX:n,titleY:o,maxWidth:a,rotation:r}=this._drawArgs(s);Ne(t,e.text,0,0,i,{color:e.color,maxWidth:a,rotation:r,textAlign:ut(e.align),textBaseline:"middle",translation:[n,o]})}}var Ma={id:"title",_element:va,start(t,e,i){!function(t,e){const i=new va({ctx:t.ctx,options:e,chart:t});as.configure(t,i,e),as.addBox(t,i),t.titleBlock=i}(t,i)},stop(t){const e=t.titleBlock;as.removeBox(t,e),delete t.titleBlock},beforeUpdate(t,e,i){const s=t.titleBlock;as.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"bold"},fullSize:!0,padding:10,position:"top",text:"",weight:2e3},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const wa=new WeakMap;var ka={id:"subtitle",start(t,e,i){const s=new va({ctx:t.ctx,options:i,chart:t});as.configure(t,s,i),as.addBox(t,s),wa.set(t,s)},stop(t){as.removeBox(t,wa.get(t)),wa.delete(t)},beforeUpdate(t,e,i){const s=wa.get(t);as.configure(t,s,i),s.options=i},defaults:{align:"center",display:!1,font:{weight:"normal"},fullSize:!0,padding:0,position:"top",text:"",weight:1500},defaultRoutes:{color:"color"},descriptors:{_scriptable:!0,_indexable:!1}};const Sa={average(t){if(!t.length)return!1;let e,i,s=0,n=0,o=0;for(e=0,i=t.length;e-1?t.split("\n"):t}function Ca(t,e){const{element:i,datasetIndex:s,index:n}=e,o=t.getDatasetMeta(s).controller,{label:a,value:r}=o.getLabelAndValue(n);return{chart:t,label:a,parsed:o.getParsed(n),raw:t.data.datasets[s].data[n],formattedValue:r,dataset:o.getDataset(),dataIndex:n,datasetIndex:s,element:i}}function Oa(t,e){const i=t.chart.ctx,{body:s,footer:n,title:o}=t,{boxWidth:a,boxHeight:r}=e,l=Si(e.bodyFont),h=Si(e.titleFont),c=Si(e.footerFont),d=o.length,f=n.length,g=s.length,p=ki(e.padding);let m=p.height,b=0,x=s.reduce(((t,e)=>t+e.before.length+e.lines.length+e.after.length),0);if(x+=t.beforeBody.length+t.afterBody.length,d&&(m+=d*h.lineHeight+(d-1)*e.titleSpacing+e.titleMarginBottom),x){m+=g*(e.displayColors?Math.max(r,l.lineHeight):l.lineHeight)+(x-g)*l.lineHeight+(x-1)*e.bodySpacing}f&&(m+=e.footerMarginTop+f*c.lineHeight+(f-1)*e.footerSpacing);let _=0;const y=function(t){b=Math.max(b,i.measureText(t).width+_)};return i.save(),i.font=h.string,u(t.title,y),i.font=l.string,u(t.beforeBody.concat(t.afterBody),y),_=e.displayColors?a+2+e.boxPadding:0,u(s,(t=>{u(t.before,y),u(t.lines,y),u(t.after,y)})),_=0,i.font=c.string,u(t.footer,y),i.restore(),b+=p.width,{width:b,height:m}}function Aa(t,e,i,s){const{x:n,width:o}=i,{width:a,chartArea:{left:r,right:l}}=t;let h="center";return"center"===s?h=n<=(r+l)/2?"left":"right":n<=o/2?h="left":n>=a-o/2&&(h="right"),function(t,e,i,s){const{x:n,width:o}=s,a=i.caretSize+i.caretPadding;return"left"===t&&n+o+a>e.width||"right"===t&&n-o-a<0||void 0}(h,t,e,i)&&(h="center"),h}function Ta(t,e,i){const s=i.yAlign||e.yAlign||function(t,e){const{y:i,height:s}=e;return it.height-s/2?"bottom":"center"}(t,i);return{xAlign:i.xAlign||e.xAlign||Aa(t,e,i,s),yAlign:s}}function La(t,e,i,s){const{caretSize:n,caretPadding:o,cornerRadius:a}=t,{xAlign:r,yAlign:l}=i,h=n+o,{topLeft:c,topRight:d,bottomLeft:u,bottomRight:f}=wi(a);let g=function(t,e){let{x:i,width:s}=t;return"right"===e?i-=s:"center"===e&&(i-=s/2),i}(e,r);const p=function(t,e,i){let{y:s,height:n}=t;return"top"===e?s+=i:s-="bottom"===e?n+i:n/2,s}(e,l,h);return"center"===l?"left"===r?g+=h:"right"===r&&(g-=h):"left"===r?g-=Math.max(c,u)+n:"right"===r&&(g+=Math.max(d,f)+n),{x:J(g,0,s.width-e.width),y:J(p,0,s.height-e.height)}}function Ea(t,e,i){const s=ki(i.padding);return"center"===e?t.x+t.width/2:"right"===e?t.x+t.width-s.right:t.x+s.left}function Ra(t){return Pa([],Da(t))}function Ia(t,e){const i=e&&e.dataset&&e.dataset.tooltip&&e.dataset.tooltip.callbacks;return i?t.override(i):t}const za={beforeTitle:e,title(t){if(t.length>0){const e=t[0],i=e.chart.data.labels,s=i?i.length:0;if(this&&this.options&&"dataset"===this.options.mode)return e.dataset.label||"";if(e.label)return e.label;if(s>0&&e.dataIndex{const e={before:[],lines:[],after:[]},n=Ia(i,t);Pa(e.before,Da(Fa(n,"beforeLabel",this,t))),Pa(e.lines,Fa(n,"label",this,t)),Pa(e.after,Da(Fa(n,"afterLabel",this,t))),s.push(e)})),s}getAfterBody(t,e){return Ra(Fa(e.callbacks,"afterBody",this,t))}getFooter(t,e){const{callbacks:i}=e,s=Fa(i,"beforeFooter",this,t),n=Fa(i,"footer",this,t),o=Fa(i,"afterFooter",this,t);let a=[];return a=Pa(a,Da(s)),a=Pa(a,Da(n)),a=Pa(a,Da(o)),a}_createItems(t){const e=this._active,i=this.chart.data,s=[],n=[],o=[];let a,r,l=[];for(a=0,r=e.length;at.filter(e,s,n,i)))),t.itemSort&&(l=l.sort(((e,s)=>t.itemSort(e,s,i)))),u(l,(e=>{const i=Ia(t.callbacks,e);s.push(Fa(i,"labelColor",this,e)),n.push(Fa(i,"labelPointStyle",this,e)),o.push(Fa(i,"labelTextColor",this,e))})),this.labelColors=s,this.labelPointStyles=n,this.labelTextColors=o,this.dataPoints=l,l}update(t,e){const i=this.options.setContext(this.getContext()),s=this._active;let n,o=[];if(s.length){const t=Sa[i.position].call(this,s,this._eventPosition);o=this._createItems(i),this.title=this.getTitle(o,i),this.beforeBody=this.getBeforeBody(o,i),this.body=this.getBody(o,i),this.afterBody=this.getAfterBody(o,i),this.footer=this.getFooter(o,i);const e=this._size=Oa(this,i),a=Object.assign({},t,e),r=Ta(this.chart,i,a),l=La(i,a,r,this.chart);this.xAlign=r.xAlign,this.yAlign=r.yAlign,n={opacity:1,x:l.x,y:l.y,width:e.width,height:e.height,caretX:t.x,caretY:t.y}}else 0!==this.opacity&&(n={opacity:0});this._tooltipItems=o,this.$context=void 0,n&&this._resolveAnimations().update(this,n),t&&i.external&&i.external.call(this,{chart:this.chart,tooltip:this,replay:e})}drawCaret(t,e,i,s){const n=this.getCaretPosition(t,i,s);e.lineTo(n.x1,n.y1),e.lineTo(n.x2,n.y2),e.lineTo(n.x3,n.y3)}getCaretPosition(t,e,i){const{xAlign:s,yAlign:n}=this,{caretSize:o,cornerRadius:a}=i,{topLeft:r,topRight:l,bottomLeft:h,bottomRight:c}=wi(a),{x:d,y:u}=t,{width:f,height:g}=e;let p,m,b,x,_,y;return"center"===n?(_=u+g/2,"left"===s?(p=d,m=p-o,x=_+o,y=_-o):(p=d+f,m=p+o,x=_-o,y=_+o),b=p):(m="left"===s?d+Math.max(r,h)+o:"right"===s?d+f-Math.max(l,c)-o:this.caretX,"top"===n?(x=u,_=x-o,p=m-o,b=m+o):(x=u+g,_=x+o,p=m+o,b=m-o),y=x),{x1:p,x2:m,x3:b,y1:x,y2:_,y3:y}}drawTitle(t,e,i){const s=this.title,n=s.length;let o,a,r;if(n){const l=Oi(i.rtl,this.x,this.width);for(t.x=Ea(this,i.titleAlign,i),e.textAlign=l.textAlign(i.titleAlign),e.textBaseline="middle",o=Si(i.titleFont),a=i.titleSpacing,e.fillStyle=i.titleColor,e.font=o.string,r=0;r0!==t))?(t.beginPath(),t.fillStyle=n.multiKeyBackground,He(t,{x:e,y:g,w:h,h:l,radius:r}),t.fill(),t.stroke(),t.fillStyle=a.backgroundColor,t.beginPath(),He(t,{x:i,y:g+1,w:h-2,h:l-2,radius:r}),t.fill()):(t.fillStyle=n.multiKeyBackground,t.fillRect(e,g,h,l),t.strokeRect(e,g,h,l),t.fillStyle=a.backgroundColor,t.fillRect(i,g+1,h-2,l-2))}t.fillStyle=this.labelTextColors[i]}drawBody(t,e,i){const{body:s}=this,{bodySpacing:n,bodyAlign:o,displayColors:a,boxHeight:r,boxWidth:l,boxPadding:h}=i,c=Si(i.bodyFont);let d=c.lineHeight,f=0;const g=Oi(i.rtl,this.x,this.width),p=function(i){e.fillText(i,g.x(t.x+f),t.y+d/2),t.y+=d+n},m=g.textAlign(o);let b,x,_,y,v,M,w;for(e.textAlign=o,e.textBaseline="middle",e.font=c.string,t.x=Ea(this,m,i),e.fillStyle=i.bodyColor,u(this.beforeBody,p),f=a&&"right"!==m?"center"===o?l/2+h:l+2+h:0,y=0,M=s.length;y0&&e.stroke()}_updateAnimationTarget(t){const e=this.chart,i=this.$animations,s=i&&i.x,n=i&&i.y;if(s||n){const i=Sa[t.position].call(this,this._active,this._eventPosition);if(!i)return;const o=this._size=Oa(this,t),a=Object.assign({},i,this._size),r=Ta(e,t,a),l=La(t,a,r,e);s._to===l.x&&n._to===l.y||(this.xAlign=r.xAlign,this.yAlign=r.yAlign,this.width=o.width,this.height=o.height,this.caretX=i.x,this.caretY=i.y,this._resolveAnimations().update(this,l))}}_willRender(){return!!this.opacity}draw(t){const e=this.options.setContext(this.getContext());let i=this.opacity;if(!i)return;this._updateAnimationTarget(e);const s={width:this.width,height:this.height},n={x:this.x,y:this.y};i=Math.abs(i)<.001?0:i;const o=ki(e.padding),a=this.title.length||this.beforeBody.length||this.body.length||this.afterBody.length||this.footer.length;e.enabled&&a&&(t.save(),t.globalAlpha=i,this.drawBackground(n,t,s,e),Ai(t,e.textDirection),n.y+=o.top,this.drawTitle(n,t,e),this.drawBody(n,t,e),this.drawFooter(n,t,e),Ti(t,e.textDirection),t.restore())}getActiveElements(){return this._active||[]}setActiveElements(t,e){const i=this._active,s=t.map((({datasetIndex:t,index:e})=>{const i=this.chart.getDatasetMeta(t);if(!i)throw new Error("Cannot find a dataset at index "+t);return{datasetIndex:t,element:i.data[e],index:e}})),n=!f(i,s),o=this._positionChanged(s,e);(n||o)&&(this._active=s,this._eventPosition=e,this._ignoreReplayEvents=!0,this.update(!0))}handleEvent(t,e,i=!0){if(e&&this._ignoreReplayEvents)return!1;this._ignoreReplayEvents=!1;const s=this.options,n=this._active||[],o=this._getActiveElements(t,n,e,i),a=this._positionChanged(o,t),r=e||!f(o,n)||a;return r&&(this._active=o,(s.enabled||s.external)&&(this._eventPosition={x:t.x,y:t.y},this.update(!0,e))),r}_getActiveElements(t,e,i,s){const n=this.options;if("mouseout"===t.type)return[];if(!s)return e;const o=this.chart.getElementsAtEventForMode(t,n.mode,n,i);return n.reverse&&o.reverse(),o}_positionChanged(t,e){const{caretX:i,caretY:s,options:n}=this,o=Sa[n.position].call(this,t,e);return!1!==o&&(i!==o.x||s!==o.y)}}var Ba={id:"tooltip",_element:Va,positioners:Sa,afterInit(t,e,i){i&&(t.tooltip=new Va({chart:t,options:i}))},beforeUpdate(t,e,i){t.tooltip&&t.tooltip.initialize(i)},reset(t,e,i){t.tooltip&&t.tooltip.initialize(i)},afterDraw(t){const e=t.tooltip;if(e&&e._willRender()){const i={tooltip:e};if(!1===t.notifyPlugins("beforeTooltipDraw",{...i,cancelable:!0}))return;e.draw(t.ctx),t.notifyPlugins("afterTooltipDraw",i)}},afterEvent(t,e){if(t.tooltip){const i=e.replay;t.tooltip.handleEvent(e.event,i,e.inChartArea)&&(e.changed=!0)}},defaults:{enabled:!0,external:null,position:"average",backgroundColor:"rgba(0,0,0,0.8)",titleColor:"#fff",titleFont:{weight:"bold"},titleSpacing:2,titleMarginBottom:6,titleAlign:"left",bodyColor:"#fff",bodySpacing:2,bodyFont:{},bodyAlign:"left",footerColor:"#fff",footerSpacing:2,footerMarginTop:6,footerFont:{weight:"bold"},footerAlign:"left",padding:6,caretPadding:2,caretSize:5,cornerRadius:6,boxHeight:(t,e)=>e.bodyFont.size,boxWidth:(t,e)=>e.bodyFont.size,multiKeyBackground:"#fff",displayColors:!0,boxPadding:0,borderColor:"rgba(0,0,0,0)",borderWidth:0,animation:{duration:400,easing:"easeOutQuart"},animations:{numbers:{type:"number",properties:["x","y","width","height","caretX","caretY"]},opacity:{easing:"linear",duration:200}},callbacks:za},defaultRoutes:{bodyFont:"font",footerFont:"font",titleFont:"font"},descriptors:{_scriptable:t=>"filter"!==t&&"itemSort"!==t&&"external"!==t,_indexable:!1,callbacks:{_scriptable:!1,_indexable:!1},animation:{_fallback:!1},animations:{_fallback:"animation"}},additionalOptionScopes:["interaction"]};return An.register(Yn,jo,fo,t),An.helpers={...Wi},An._adapters=Rn,An.Animation=Cs,An.Animations=Os,An.animator=xt,An.controllers=en.controllers.items,An.DatasetController=Ns,An.Element=Hs,An.elements=fo,An.Interaction=Xi,An.layouts=as,An.platforms=Ss,An.Scale=Js,An.Ticks=ae,Object.assign(An,Yn,jo,fo,t,Ss),An.Chart=An,"undefined"!=typeof window&&(window.Chart=An),An})); +//# sourceMappingURL=chart.umd.js.map diff --git a/ckanext/charts/templates/charts/chartjs.html b/ckanext/charts/templates/charts/chartjs.html index 07997fd..692a2ab 100644 --- a/ckanext/charts/templates/charts/chartjs.html +++ b/ckanext/charts/templates/charts/chartjs.html @@ -7,9 +7,15 @@ #} {% asset "charts/chartjs" %} +
=7" + } } }, "dependencies": { + "@kurkle/color": { + "version": "0.3.2", + "resolved": "https://registry.npmjs.org/@kurkle/color/-/color-0.3.2.tgz", + "integrity": "sha512-fuscdXJ9G1qb7W8VdHi+IwRqij3lBkosAm4ydQtEmbY58OzHXqQhvlxqEkoz0yssNVn38bcpRWgA9PP+OGoisw==" + }, "chart.js": { - "version": "3.5.1", - "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-3.5.1.tgz", - "integrity": "sha512-m5kzt72I1WQ9LILwQC4syla/LD/N413RYv2Dx2nnTkRS9iv/ey1xLTt0DnPc/eWV4zI+BgEgDYBIzbQhZHc/PQ==" + "version": "4.4.0", + "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-4.4.0.tgz", + "integrity": "sha512-vQEj6d+z0dcsKLlQvbKIMYFHd3t8W/7L2vfJIbYcfyPcRx92CsHqECpueN8qVGNlKyDcr5wBrYAYKnfu/9Q1hQ==", + "requires": { + "@kurkle/color": "^0.3.0" + } } } } diff --git a/package.json b/package.json index 5d1b3ec..f25636b 100644 --- a/package.json +++ b/package.json @@ -12,6 +12,6 @@ "author": "", "license": "ISC", "dependencies": { - "chart.js": "^3.5.1" + "chart.js": "^4.4.0" } }