',{class:'lmask'});\n\n $(this).attr('disabled',true);\n img_box.append(loading_icon);\n\n $.ajax({\n url: '/blobs/' + $(this).attr('data-blob-id'),\n type: 'DELETE',\n success: function(result) {\n link_box.remove();\n }\n }); \n });\n\n img_link.click(function(e){\n e.preventDefault();\n $(this).ekkoLightbox();\n }); \n } \n };\n\n oFReader.readAsDataURL(this); \n });\n }\n }\n}","import { Controller } from \"stimulus\"\n\nexport default class extends Controller {\n static targets = [ \"source\", \"form\", \"input\" ]\n\n connect() {\n this.model = this.data.get(\"model\") || \"model\"\n this.name = this.data.get(\"name\") || \"name\"\n this.input_class = this.data.get(\"input-class\") || \"input\"\n }\n\n toggle() {\n if (!this.data.get(\"toggled\") == 1) {\n this.sourceTarget.innerHTML = this.form()\n\n this.data.set(\"toggled\", 1)\n }\n }\n\n close(event) {\n if ((this.element.contains(event.target) === false) &&\n this.data.get(\"toggled\") == 1) {\n\n this.submit()\n }\n }\n\n submit() {\n this.formTarget.submit()\n }\n\n form() {\n return `\n
\n `\n }\n\n get input_value() {\n return this.sourceTarget.textContent\n }\n\n get post_url() {\n return window.location.pathname\n }\n\n get authenticity_token() {\n return document.querySelector(\"meta[name='csrf-token']\").getAttribute(\"content\");\n }\n}\n","function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }\n\nfunction _nonIterableSpread() { throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _iterableToArray(iter) { if (typeof Symbol !== \"undefined\" && Symbol.iterator in Object(iter)) return Array.from(iter); }\n\nfunction _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _createForOfIteratorHelper(o) { if (typeof Symbol === \"undefined\" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (o = _unsupportedIterableToArray(o))) { var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); } var it, normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it[\"return\"] != null) it[\"return\"](); } finally { if (didErr) throw err; } } }; }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(n); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\n/*!\n * Chart.js v3.5.1\n * https://www.chartjs.org\n * (c) 2021 Chart.js Contributors\n * Released under the MIT License\n */\nfunction fontString(pixelSize, fontStyle, fontFamily) {\n return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;\n}\n\nvar requestAnimFrame = function () {\n if (typeof window === 'undefined') {\n return function (callback) {\n return callback();\n };\n }\n\n return window.requestAnimationFrame;\n}();\n\nfunction throttled(fn, thisArg, updateFn) {\n var updateArgs = updateFn || function (args) {\n return Array.prototype.slice.call(args);\n };\n\n var ticking = false;\n var args = [];\n return function () {\n for (var _len = arguments.length, rest = new Array(_len), _key = 0; _key < _len; _key++) {\n rest[_key] = arguments[_key];\n }\n\n args = updateArgs(rest);\n\n if (!ticking) {\n ticking = true;\n requestAnimFrame.call(window, function () {\n ticking = false;\n fn.apply(thisArg, args);\n });\n }\n };\n}\n\nfunction debounce(fn, delay) {\n var timeout;\n return function () {\n if (delay) {\n clearTimeout(timeout);\n timeout = setTimeout(fn, delay);\n } else {\n fn();\n }\n\n return delay;\n };\n}\n\nvar _toLeftRightCenter = function _toLeftRightCenter(align) {\n return align === 'start' ? 'left' : align === 'end' ? 'right' : 'center';\n};\n\nvar _alignStartEnd = function _alignStartEnd(align, start, end) {\n return align === 'start' ? start : align === 'end' ? end : (start + end) / 2;\n};\n\nvar _textX = function _textX(align, left, right, rtl) {\n var check = rtl ? 'left' : 'right';\n return align === check ? right : align === 'center' ? (left + right) / 2 : left;\n};\n\nfunction noop() {}\n\nvar uid = function () {\n var id = 0;\n return function () {\n return id++;\n };\n}();\n\nfunction isNullOrUndef(value) {\n return value === null || typeof value === 'undefined';\n}\n\nfunction isArray(value) {\n if (Array.isArray && Array.isArray(value)) {\n return true;\n }\n\n var type = Object.prototype.toString.call(value);\n\n if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') {\n return true;\n }\n\n return false;\n}\n\nfunction isObject(value) {\n return value !== null && Object.prototype.toString.call(value) === '[object Object]';\n}\n\nvar isNumberFinite = function isNumberFinite(value) {\n return (typeof value === 'number' || value instanceof Number) && isFinite(+value);\n};\n\nfunction finiteOrDefault(value, defaultValue) {\n return isNumberFinite(value) ? value : defaultValue;\n}\n\nfunction valueOrDefault(value, defaultValue) {\n return typeof value === 'undefined' ? defaultValue : value;\n}\n\nvar toPercentage = function toPercentage(value, dimension) {\n return typeof value === 'string' && value.endsWith('%') ? parseFloat(value) / 100 : value / dimension;\n};\n\nvar toDimension = function toDimension(value, dimension) {\n return typeof value === 'string' && value.endsWith('%') ? parseFloat(value) / 100 * dimension : +value;\n};\n\nfunction callback(fn, args, thisArg) {\n if (fn && typeof fn.call === 'function') {\n return fn.apply(thisArg, args);\n }\n}\n\nfunction each(loopable, fn, thisArg, reverse) {\n var i, len, keys;\n\n if (isArray(loopable)) {\n len = loopable.length;\n\n if (reverse) {\n for (i = len - 1; i >= 0; i--) {\n fn.call(thisArg, loopable[i], i);\n }\n } else {\n for (i = 0; i < len; i++) {\n fn.call(thisArg, loopable[i], i);\n }\n }\n } else if (isObject(loopable)) {\n keys = Object.keys(loopable);\n len = keys.length;\n\n for (i = 0; i < len; i++) {\n fn.call(thisArg, loopable[keys[i]], keys[i]);\n }\n }\n}\n\nfunction _elementsEqual(a0, a1) {\n var i, ilen, v0, v1;\n\n if (!a0 || !a1 || a0.length !== a1.length) {\n return false;\n }\n\n for (i = 0, ilen = a0.length; i < ilen; ++i) {\n v0 = a0[i];\n v1 = a1[i];\n\n if (v0.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) {\n return false;\n }\n }\n\n return true;\n}\n\nfunction clone$1(source) {\n if (isArray(source)) {\n return source.map(clone$1);\n }\n\n if (isObject(source)) {\n var target = Object.create(null);\n var keys = Object.keys(source);\n var klen = keys.length;\n var k = 0;\n\n for (; k < klen; ++k) {\n target[keys[k]] = clone$1(source[keys[k]]);\n }\n\n return target;\n }\n\n return source;\n}\n\nfunction isValidKey(key) {\n return ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1;\n}\n\nfunction _merger(key, target, source, options) {\n if (!isValidKey(key)) {\n return;\n }\n\n var tval = target[key];\n var sval = source[key];\n\n if (isObject(tval) && isObject(sval)) {\n merge(tval, sval, options);\n } else {\n target[key] = clone$1(sval);\n }\n}\n\nfunction merge(target, source, options) {\n var sources = isArray(source) ? source : [source];\n var ilen = sources.length;\n\n if (!isObject(target)) {\n return target;\n }\n\n options = options || {};\n var merger = options.merger || _merger;\n\n for (var i = 0; i < ilen; ++i) {\n source = sources[i];\n\n if (!isObject(source)) {\n continue;\n }\n\n var keys = Object.keys(source);\n\n for (var k = 0, klen = keys.length; k < klen; ++k) {\n merger(keys[k], target, source, options);\n }\n }\n\n return target;\n}\n\nfunction mergeIf(target, source) {\n return merge(target, source, {\n merger: _mergerIf\n });\n}\n\nfunction _mergerIf(key, target, source) {\n if (!isValidKey(key)) {\n return;\n }\n\n var tval = target[key];\n var sval = source[key];\n\n if (isObject(tval) && isObject(sval)) {\n mergeIf(tval, sval);\n } else if (!Object.prototype.hasOwnProperty.call(target, key)) {\n target[key] = clone$1(sval);\n }\n}\n\nfunction _deprecated(scope, value, previous, current) {\n if (value !== undefined) {\n console.warn(scope + ': \"' + previous + '\" is deprecated. Please use \"' + current + '\" instead');\n }\n}\n\nvar emptyString = '';\nvar dot = '.';\n\nfunction indexOfDotOrLength(key, start) {\n var idx = key.indexOf(dot, start);\n return idx === -1 ? key.length : idx;\n}\n\nfunction resolveObjectKey(obj, key) {\n if (key === emptyString) {\n return obj;\n }\n\n var pos = 0;\n var idx = indexOfDotOrLength(key, pos);\n\n while (obj && idx > pos) {\n obj = obj[key.substr(pos, idx - pos)];\n pos = idx + 1;\n idx = indexOfDotOrLength(key, pos);\n }\n\n return obj;\n}\n\nfunction _capitalize(str) {\n return str.charAt(0).toUpperCase() + str.slice(1);\n}\n\nvar defined = function defined(value) {\n return typeof value !== 'undefined';\n};\n\nvar isFunction = function isFunction(value) {\n return typeof value === 'function';\n};\n\nvar setsEqual = function setsEqual(a, b) {\n if (a.size !== b.size) {\n return false;\n }\n\n var _iterator = _createForOfIteratorHelper(a),\n _step;\n\n try {\n for (_iterator.s(); !(_step = _iterator.n()).done;) {\n var item = _step.value;\n\n if (!b.has(item)) {\n return false;\n }\n }\n } catch (err) {\n _iterator.e(err);\n } finally {\n _iterator.f();\n }\n\n return true;\n};\n\nvar PI = Math.PI;\nvar TAU = 2 * PI;\nvar PITAU = TAU + PI;\nvar INFINITY = Number.POSITIVE_INFINITY;\nvar RAD_PER_DEG = PI / 180;\nvar HALF_PI = PI / 2;\nvar QUARTER_PI = PI / 4;\nvar TWO_THIRDS_PI = PI * 2 / 3;\nvar log10 = Math.log10;\nvar sign = Math.sign;\n\nfunction niceNum(range) {\n var roundedRange = Math.round(range);\n range = almostEquals(range, roundedRange, range / 1000) ? roundedRange : range;\n var niceRange = Math.pow(10, Math.floor(log10(range)));\n var fraction = range / niceRange;\n var niceFraction = fraction <= 1 ? 1 : fraction <= 2 ? 2 : fraction <= 5 ? 5 : 10;\n return niceFraction * niceRange;\n}\n\nfunction _factorize(value) {\n var result = [];\n var sqrt = Math.sqrt(value);\n var i;\n\n for (i = 1; i < sqrt; i++) {\n if (value % i === 0) {\n result.push(i);\n result.push(value / i);\n }\n }\n\n if (sqrt === (sqrt | 0)) {\n result.push(sqrt);\n }\n\n result.sort(function (a, b) {\n return a - b;\n }).pop();\n return result;\n}\n\nfunction isNumber(n) {\n return !isNaN(parseFloat(n)) && isFinite(n);\n}\n\nfunction almostEquals(x, y, epsilon) {\n return Math.abs(x - y) < epsilon;\n}\n\nfunction almostWhole(x, epsilon) {\n var rounded = Math.round(x);\n return rounded - epsilon <= x && rounded + epsilon >= x;\n}\n\nfunction _setMinAndMaxByKey(array, target, property) {\n var i, ilen, value;\n\n for (i = 0, ilen = array.length; i < ilen; i++) {\n value = array[i][property];\n\n if (!isNaN(value)) {\n target.min = Math.min(target.min, value);\n target.max = Math.max(target.max, value);\n }\n }\n}\n\nfunction toRadians(degrees) {\n return degrees * (PI / 180);\n}\n\nfunction toDegrees(radians) {\n return radians * (180 / PI);\n}\n\nfunction _decimalPlaces(x) {\n if (!isNumberFinite(x)) {\n return;\n }\n\n var e = 1;\n var p = 0;\n\n while (Math.round(x * e) / e !== x) {\n e *= 10;\n p++;\n }\n\n return p;\n}\n\nfunction getAngleFromPoint(centrePoint, anglePoint) {\n var distanceFromXCenter = anglePoint.x - centrePoint.x;\n var distanceFromYCenter = anglePoint.y - centrePoint.y;\n var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);\n var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);\n\n if (angle < -0.5 * PI) {\n angle += TAU;\n }\n\n return {\n angle: angle,\n distance: radialDistanceFromCenter\n };\n}\n\nfunction distanceBetweenPoints(pt1, pt2) {\n return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));\n}\n\nfunction _angleDiff(a, b) {\n return (a - b + PITAU) % TAU - PI;\n}\n\nfunction _normalizeAngle(a) {\n return (a % TAU + TAU) % TAU;\n}\n\nfunction _angleBetween(angle, start, end, sameAngleIsFullCircle) {\n var a = _normalizeAngle(angle);\n\n var s = _normalizeAngle(start);\n\n var e = _normalizeAngle(end);\n\n var angleToStart = _normalizeAngle(s - a);\n\n var angleToEnd = _normalizeAngle(e - a);\n\n var startToAngle = _normalizeAngle(a - s);\n\n var endToAngle = _normalizeAngle(a - e);\n\n return a === s || a === e || sameAngleIsFullCircle && s === e || angleToStart > angleToEnd && startToAngle < endToAngle;\n}\n\nfunction _limitValue(value, min, max) {\n return Math.max(min, Math.min(max, value));\n}\n\nfunction _int16Range(value) {\n return _limitValue(value, -32768, 32767);\n}\n\nvar atEdge = function atEdge(t) {\n return t === 0 || t === 1;\n};\n\nvar elasticIn = function elasticIn(t, s, p) {\n return -(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * TAU / p));\n};\n\nvar elasticOut = function elasticOut(t, s, p) {\n return Math.pow(2, -10 * t) * Math.sin((t - s) * TAU / p) + 1;\n};\n\nvar effects = {\n linear: function linear(t) {\n return t;\n },\n easeInQuad: function easeInQuad(t) {\n return t * t;\n },\n easeOutQuad: function easeOutQuad(t) {\n return -t * (t - 2);\n },\n easeInOutQuad: function easeInOutQuad(t) {\n return (t /= 0.5) < 1 ? 0.5 * t * t : -0.5 * (--t * (t - 2) - 1);\n },\n easeInCubic: function easeInCubic(t) {\n return t * t * t;\n },\n easeOutCubic: function easeOutCubic(t) {\n return (t -= 1) * t * t + 1;\n },\n easeInOutCubic: function easeInOutCubic(t) {\n return (t /= 0.5) < 1 ? 0.5 * t * t * t : 0.5 * ((t -= 2) * t * t + 2);\n },\n easeInQuart: function easeInQuart(t) {\n return t * t * t * t;\n },\n easeOutQuart: function easeOutQuart(t) {\n return -((t -= 1) * t * t * t - 1);\n },\n easeInOutQuart: function easeInOutQuart(t) {\n return (t /= 0.5) < 1 ? 0.5 * t * t * t * t : -0.5 * ((t -= 2) * t * t * t - 2);\n },\n easeInQuint: function easeInQuint(t) {\n return t * t * t * t * t;\n },\n easeOutQuint: function easeOutQuint(t) {\n return (t -= 1) * t * t * t * t + 1;\n },\n easeInOutQuint: function easeInOutQuint(t) {\n return (t /= 0.5) < 1 ? 0.5 * t * t * t * t * t : 0.5 * ((t -= 2) * t * t * t * t + 2);\n },\n easeInSine: function easeInSine(t) {\n return -Math.cos(t * HALF_PI) + 1;\n },\n easeOutSine: function easeOutSine(t) {\n return Math.sin(t * HALF_PI);\n },\n easeInOutSine: function easeInOutSine(t) {\n return -0.5 * (Math.cos(PI * t) - 1);\n },\n easeInExpo: function easeInExpo(t) {\n return t === 0 ? 0 : Math.pow(2, 10 * (t - 1));\n },\n easeOutExpo: function easeOutExpo(t) {\n return t === 1 ? 1 : -Math.pow(2, -10 * t) + 1;\n },\n easeInOutExpo: function easeInOutExpo(t) {\n return atEdge(t) ? t : t < 0.5 ? 0.5 * Math.pow(2, 10 * (t * 2 - 1)) : 0.5 * (-Math.pow(2, -10 * (t * 2 - 1)) + 2);\n },\n easeInCirc: function easeInCirc(t) {\n return t >= 1 ? t : -(Math.sqrt(1 - t * t) - 1);\n },\n easeOutCirc: function easeOutCirc(t) {\n return Math.sqrt(1 - (t -= 1) * t);\n },\n easeInOutCirc: function easeInOutCirc(t) {\n return (t /= 0.5) < 1 ? -0.5 * (Math.sqrt(1 - t * t) - 1) : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);\n },\n easeInElastic: function easeInElastic(t) {\n return atEdge(t) ? t : elasticIn(t, 0.075, 0.3);\n },\n easeOutElastic: function easeOutElastic(t) {\n return atEdge(t) ? t : elasticOut(t, 0.075, 0.3);\n },\n easeInOutElastic: function easeInOutElastic(t) {\n var s = 0.1125;\n var p = 0.45;\n return atEdge(t) ? t : t < 0.5 ? 0.5 * elasticIn(t * 2, s, p) : 0.5 + 0.5 * elasticOut(t * 2 - 1, s, p);\n },\n easeInBack: function easeInBack(t) {\n var s = 1.70158;\n return t * t * ((s + 1) * t - s);\n },\n easeOutBack: function easeOutBack(t) {\n var s = 1.70158;\n return (t -= 1) * t * ((s + 1) * t + s) + 1;\n },\n easeInOutBack: function easeInOutBack(t) {\n var s = 1.70158;\n\n if ((t /= 0.5) < 1) {\n return 0.5 * (t * t * (((s *= 1.525) + 1) * t - s));\n }\n\n return 0.5 * ((t -= 2) * t * (((s *= 1.525) + 1) * t + s) + 2);\n },\n easeInBounce: function easeInBounce(t) {\n return 1 - effects.easeOutBounce(1 - t);\n },\n easeOutBounce: function easeOutBounce(t) {\n var m = 7.5625;\n var d = 2.75;\n\n if (t < 1 / d) {\n return m * t * t;\n }\n\n if (t < 2 / d) {\n return m * (t -= 1.5 / d) * t + 0.75;\n }\n\n if (t < 2.5 / d) {\n return m * (t -= 2.25 / d) * t + 0.9375;\n }\n\n return m * (t -= 2.625 / d) * t + 0.984375;\n },\n easeInOutBounce: function easeInOutBounce(t) {\n return t < 0.5 ? effects.easeInBounce(t * 2) * 0.5 : effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;\n }\n};\n/*!\n * @kurkle/color v0.1.9\n * https://github.com/kurkle/color#readme\n * (c) 2020 Jukka Kurkela\n * Released under the MIT License\n */\n\nvar map = {\n 0: 0,\n 1: 1,\n 2: 2,\n 3: 3,\n 4: 4,\n 5: 5,\n 6: 6,\n 7: 7,\n 8: 8,\n 9: 9,\n A: 10,\n B: 11,\n C: 12,\n D: 13,\n E: 14,\n F: 15,\n a: 10,\n b: 11,\n c: 12,\n d: 13,\n e: 14,\n f: 15\n};\nvar hex = '0123456789ABCDEF';\n\nvar h1 = function h1(b) {\n return hex[b & 0xF];\n};\n\nvar h2 = function h2(b) {\n return hex[(b & 0xF0) >> 4] + hex[b & 0xF];\n};\n\nvar eq = function eq(b) {\n return (b & 0xF0) >> 4 === (b & 0xF);\n};\n\nfunction isShort(v) {\n return eq(v.r) && eq(v.g) && eq(v.b) && eq(v.a);\n}\n\nfunction hexParse(str) {\n var len = str.length;\n var ret;\n\n if (str[0] === '#') {\n if (len === 4 || len === 5) {\n ret = {\n r: 255 & map[str[1]] * 17,\n g: 255 & map[str[2]] * 17,\n b: 255 & map[str[3]] * 17,\n a: len === 5 ? map[str[4]] * 17 : 255\n };\n } else if (len === 7 || len === 9) {\n ret = {\n r: map[str[1]] << 4 | map[str[2]],\n g: map[str[3]] << 4 | map[str[4]],\n b: map[str[5]] << 4 | map[str[6]],\n a: len === 9 ? map[str[7]] << 4 | map[str[8]] : 255\n };\n }\n }\n\n return ret;\n}\n\nfunction _hexString(v) {\n var f = isShort(v) ? h1 : h2;\n return v ? '#' + f(v.r) + f(v.g) + f(v.b) + (v.a < 255 ? f(v.a) : '') : v;\n}\n\nfunction round(v) {\n return v + 0.5 | 0;\n}\n\nvar lim = function lim(v, l, h) {\n return Math.max(Math.min(v, h), l);\n};\n\nfunction p2b(v) {\n return lim(round(v * 2.55), 0, 255);\n}\n\nfunction n2b(v) {\n return lim(round(v * 255), 0, 255);\n}\n\nfunction b2n(v) {\n return lim(round(v / 2.55) / 100, 0, 1);\n}\n\nfunction n2p(v) {\n return lim(round(v * 100), 0, 100);\n}\n\nvar RGB_RE = /^rgba?\\(\\s*([-+.\\d]+)(%)?[\\s,]+([-+.e\\d]+)(%)?[\\s,]+([-+.e\\d]+)(%)?(?:[\\s,/]+([-+.e\\d]+)(%)?)?\\s*\\)$/;\n\nfunction rgbParse(str) {\n var m = RGB_RE.exec(str);\n var a = 255;\n var r, g, b;\n\n if (!m) {\n return;\n }\n\n if (m[7] !== r) {\n var v = +m[7];\n a = 255 & (m[8] ? p2b(v) : v * 255);\n }\n\n r = +m[1];\n g = +m[3];\n b = +m[5];\n r = 255 & (m[2] ? p2b(r) : r);\n g = 255 & (m[4] ? p2b(g) : g);\n b = 255 & (m[6] ? p2b(b) : b);\n return {\n r: r,\n g: g,\n b: b,\n a: a\n };\n}\n\nfunction _rgbString(v) {\n return v && (v.a < 255 ? \"rgba(\".concat(v.r, \", \").concat(v.g, \", \").concat(v.b, \", \").concat(b2n(v.a), \")\") : \"rgb(\".concat(v.r, \", \").concat(v.g, \", \").concat(v.b, \")\"));\n}\n\nvar HUE_RE = /^(hsla?|hwb|hsv)\\(\\s*([-+.e\\d]+)(?:deg)?[\\s,]+([-+.e\\d]+)%[\\s,]+([-+.e\\d]+)%(?:[\\s,]+([-+.e\\d]+)(%)?)?\\s*\\)$/;\n\nfunction hsl2rgbn(h, s, l) {\n var a = s * Math.min(l, 1 - l);\n\n var f = function f(n) {\n var k = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : (n + h / 30) % 12;\n return l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1);\n };\n\n return [f(0), f(8), f(4)];\n}\n\nfunction hsv2rgbn(h, s, v) {\n var f = function f(n) {\n var k = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : (n + h / 60) % 6;\n return v - v * s * Math.max(Math.min(k, 4 - k, 1), 0);\n };\n\n return [f(5), f(3), f(1)];\n}\n\nfunction hwb2rgbn(h, w, b) {\n var rgb = hsl2rgbn(h, 1, 0.5);\n var i;\n\n if (w + b > 1) {\n i = 1 / (w + b);\n w *= i;\n b *= i;\n }\n\n for (i = 0; i < 3; i++) {\n rgb[i] *= 1 - w - b;\n rgb[i] += w;\n }\n\n return rgb;\n}\n\nfunction rgb2hsl(v) {\n var range = 255;\n var r = v.r / range;\n var g = v.g / range;\n var b = v.b / range;\n var max = Math.max(r, g, b);\n var min = Math.min(r, g, b);\n var l = (max + min) / 2;\n var h, s, d;\n\n if (max !== min) {\n d = max - min;\n s = l > 0.5 ? d / (2 - max - min) : d / (max + min);\n h = max === r ? (g - b) / d + (g < b ? 6 : 0) : max === g ? (b - r) / d + 2 : (r - g) / d + 4;\n h = h * 60 + 0.5;\n }\n\n return [h | 0, s || 0, l];\n}\n\nfunction calln(f, a, b, c) {\n return (Array.isArray(a) ? f(a[0], a[1], a[2]) : f(a, b, c)).map(n2b);\n}\n\nfunction hsl2rgb(h, s, l) {\n return calln(hsl2rgbn, h, s, l);\n}\n\nfunction hwb2rgb(h, w, b) {\n return calln(hwb2rgbn, h, w, b);\n}\n\nfunction hsv2rgb(h, s, v) {\n return calln(hsv2rgbn, h, s, v);\n}\n\nfunction hue(h) {\n return (h % 360 + 360) % 360;\n}\n\nfunction hueParse(str) {\n var m = HUE_RE.exec(str);\n var a = 255;\n var v;\n\n if (!m) {\n return;\n }\n\n if (m[5] !== v) {\n a = m[6] ? p2b(+m[5]) : n2b(+m[5]);\n }\n\n var h = hue(+m[2]);\n var p1 = +m[3] / 100;\n var p2 = +m[4] / 100;\n\n if (m[1] === 'hwb') {\n v = hwb2rgb(h, p1, p2);\n } else if (m[1] === 'hsv') {\n v = hsv2rgb(h, p1, p2);\n } else {\n v = hsl2rgb(h, p1, p2);\n }\n\n return {\n r: v[0],\n g: v[1],\n b: v[2],\n a: a\n };\n}\n\nfunction _rotate(v, deg) {\n var h = rgb2hsl(v);\n h[0] = hue(h[0] + deg);\n h = hsl2rgb(h);\n v.r = h[0];\n v.g = h[1];\n v.b = h[2];\n}\n\nfunction _hslString(v) {\n if (!v) {\n return;\n }\n\n var a = rgb2hsl(v);\n var h = a[0];\n var s = n2p(a[1]);\n var l = n2p(a[2]);\n return v.a < 255 ? \"hsla(\".concat(h, \", \").concat(s, \"%, \").concat(l, \"%, \").concat(b2n(v.a), \")\") : \"hsl(\".concat(h, \", \").concat(s, \"%, \").concat(l, \"%)\");\n}\n\nvar map$1 = {\n x: 'dark',\n Z: 'light',\n Y: 're',\n X: 'blu',\n W: 'gr',\n V: 'medium',\n U: 'slate',\n A: 'ee',\n T: 'ol',\n S: 'or',\n B: 'ra',\n C: 'lateg',\n D: 'ights',\n R: 'in',\n Q: 'turquois',\n E: 'hi',\n P: 'ro',\n O: 'al',\n N: 'le',\n M: 'de',\n L: 'yello',\n F: 'en',\n K: 'ch',\n G: 'arks',\n H: 'ea',\n I: 'ightg',\n J: 'wh'\n};\nvar names = {\n OiceXe: 'f0f8ff',\n antiquewEte: 'faebd7',\n aqua: 'ffff',\n aquamarRe: '7fffd4',\n azuY: 'f0ffff',\n beige: 'f5f5dc',\n bisque: 'ffe4c4',\n black: '0',\n blanKedOmond: 'ffebcd',\n Xe: 'ff',\n XeviTet: '8a2be2',\n bPwn: 'a52a2a',\n burlywood: 'deb887',\n caMtXe: '5f9ea0',\n KartYuse: '7fff00',\n KocTate: 'd2691e',\n cSO: 'ff7f50',\n cSnflowerXe: '6495ed',\n cSnsilk: 'fff8dc',\n crimson: 'dc143c',\n cyan: 'ffff',\n xXe: '8b',\n xcyan: '8b8b',\n xgTMnPd: 'b8860b',\n xWay: 'a9a9a9',\n xgYF: '6400',\n xgYy: 'a9a9a9',\n xkhaki: 'bdb76b',\n xmagFta: '8b008b',\n xTivegYF: '556b2f',\n xSange: 'ff8c00',\n xScEd: '9932cc',\n xYd: '8b0000',\n xsOmon: 'e9967a',\n xsHgYF: '8fbc8f',\n xUXe: '483d8b',\n xUWay: '2f4f4f',\n xUgYy: '2f4f4f',\n xQe: 'ced1',\n xviTet: '9400d3',\n dAppRk: 'ff1493',\n dApskyXe: 'bfff',\n dimWay: '696969',\n dimgYy: '696969',\n dodgerXe: '1e90ff',\n fiYbrick: 'b22222',\n flSOwEte: 'fffaf0',\n foYstWAn: '228b22',\n fuKsia: 'ff00ff',\n gaRsbSo: 'dcdcdc',\n ghostwEte: 'f8f8ff',\n gTd: 'ffd700',\n gTMnPd: 'daa520',\n Way: '808080',\n gYF: '8000',\n gYFLw: 'adff2f',\n gYy: '808080',\n honeyMw: 'f0fff0',\n hotpRk: 'ff69b4',\n RdianYd: 'cd5c5c',\n Rdigo: '4b0082',\n ivSy: 'fffff0',\n khaki: 'f0e68c',\n lavFMr: 'e6e6fa',\n lavFMrXsh: 'fff0f5',\n lawngYF: '7cfc00',\n NmoncEffon: 'fffacd',\n ZXe: 'add8e6',\n ZcSO: 'f08080',\n Zcyan: 'e0ffff',\n ZgTMnPdLw: 'fafad2',\n ZWay: 'd3d3d3',\n ZgYF: '90ee90',\n ZgYy: 'd3d3d3',\n ZpRk: 'ffb6c1',\n ZsOmon: 'ffa07a',\n ZsHgYF: '20b2aa',\n ZskyXe: '87cefa',\n ZUWay: '778899',\n ZUgYy: '778899',\n ZstAlXe: 'b0c4de',\n ZLw: 'ffffe0',\n lime: 'ff00',\n limegYF: '32cd32',\n lRF: 'faf0e6',\n magFta: 'ff00ff',\n maPon: '800000',\n VaquamarRe: '66cdaa',\n VXe: 'cd',\n VScEd: 'ba55d3',\n VpurpN: '9370db',\n VsHgYF: '3cb371',\n VUXe: '7b68ee',\n VsprRggYF: 'fa9a',\n VQe: '48d1cc',\n VviTetYd: 'c71585',\n midnightXe: '191970',\n mRtcYam: 'f5fffa',\n mistyPse: 'ffe4e1',\n moccasR: 'ffe4b5',\n navajowEte: 'ffdead',\n navy: '80',\n Tdlace: 'fdf5e6',\n Tive: '808000',\n TivedBb: '6b8e23',\n Sange: 'ffa500',\n SangeYd: 'ff4500',\n ScEd: 'da70d6',\n pOegTMnPd: 'eee8aa',\n pOegYF: '98fb98',\n pOeQe: 'afeeee',\n pOeviTetYd: 'db7093',\n papayawEp: 'ffefd5',\n pHKpuff: 'ffdab9',\n peru: 'cd853f',\n pRk: 'ffc0cb',\n plum: 'dda0dd',\n powMrXe: 'b0e0e6',\n purpN: '800080',\n YbeccapurpN: '663399',\n Yd: 'ff0000',\n Psybrown: 'bc8f8f',\n PyOXe: '4169e1',\n saddNbPwn: '8b4513',\n sOmon: 'fa8072',\n sandybPwn: 'f4a460',\n sHgYF: '2e8b57',\n sHshell: 'fff5ee',\n siFna: 'a0522d',\n silver: 'c0c0c0',\n skyXe: '87ceeb',\n UXe: '6a5acd',\n UWay: '708090',\n UgYy: '708090',\n snow: 'fffafa',\n sprRggYF: 'ff7f',\n stAlXe: '4682b4',\n tan: 'd2b48c',\n teO: '8080',\n tEstN: 'd8bfd8',\n tomato: 'ff6347',\n Qe: '40e0d0',\n viTet: 'ee82ee',\n JHt: 'f5deb3',\n wEte: 'ffffff',\n wEtesmoke: 'f5f5f5',\n Lw: 'ffff00',\n LwgYF: '9acd32'\n};\n\nfunction unpack() {\n var unpacked = {};\n var keys = Object.keys(names);\n var tkeys = Object.keys(map$1);\n var i, j, k, ok, nk;\n\n for (i = 0; i < keys.length; i++) {\n ok = nk = keys[i];\n\n for (j = 0; j < tkeys.length; j++) {\n k = tkeys[j];\n nk = nk.replace(k, map$1[k]);\n }\n\n k = parseInt(names[ok], 16);\n unpacked[nk] = [k >> 16 & 0xFF, k >> 8 & 0xFF, k & 0xFF];\n }\n\n return unpacked;\n}\n\nvar names$1;\n\nfunction nameParse(str) {\n if (!names$1) {\n names$1 = unpack();\n names$1.transparent = [0, 0, 0, 0];\n }\n\n var a = names$1[str.toLowerCase()];\n return a && {\n r: a[0],\n g: a[1],\n b: a[2],\n a: a.length === 4 ? a[3] : 255\n };\n}\n\nfunction modHSL(v, i, ratio) {\n if (v) {\n var tmp = rgb2hsl(v);\n tmp[i] = Math.max(0, Math.min(tmp[i] + tmp[i] * ratio, i === 0 ? 360 : 1));\n tmp = hsl2rgb(tmp);\n v.r = tmp[0];\n v.g = tmp[1];\n v.b = tmp[2];\n }\n}\n\nfunction clone(v, proto) {\n return v ? Object.assign(proto || {}, v) : v;\n}\n\nfunction fromObject(input) {\n var v = {\n r: 0,\n g: 0,\n b: 0,\n a: 255\n };\n\n if (Array.isArray(input)) {\n if (input.length >= 3) {\n v = {\n r: input[0],\n g: input[1],\n b: input[2],\n a: 255\n };\n\n if (input.length > 3) {\n v.a = n2b(input[3]);\n }\n }\n } else {\n v = clone(input, {\n r: 0,\n g: 0,\n b: 0,\n a: 1\n });\n v.a = n2b(v.a);\n }\n\n return v;\n}\n\nfunction functionParse(str) {\n if (str.charAt(0) === 'r') {\n return rgbParse(str);\n }\n\n return hueParse(str);\n}\n\nvar Color = /*#__PURE__*/function () {\n function Color(input) {\n _classCallCheck(this, Color);\n\n if (input instanceof Color) {\n return input;\n }\n\n var type = _typeof(input);\n\n var v;\n\n if (type === 'object') {\n v = fromObject(input);\n } else if (type === 'string') {\n v = hexParse(input) || nameParse(input) || functionParse(input);\n }\n\n this._rgb = v;\n this._valid = !!v;\n }\n\n _createClass(Color, [{\n key: \"rgbString\",\n value: function rgbString() {\n return this._valid ? _rgbString(this._rgb) : this._rgb;\n }\n }, {\n key: \"hexString\",\n value: function hexString() {\n return this._valid ? _hexString(this._rgb) : this._rgb;\n }\n }, {\n key: \"hslString\",\n value: function hslString() {\n return this._valid ? _hslString(this._rgb) : this._rgb;\n }\n }, {\n key: \"mix\",\n value: function mix(color, weight) {\n var me = this;\n\n if (color) {\n var c1 = me.rgb;\n var c2 = color.rgb;\n var w2;\n var p = weight === w2 ? 0.5 : weight;\n var w = 2 * p - 1;\n var a = c1.a - c2.a;\n var w1 = ((w * a === -1 ? w : (w + a) / (1 + w * a)) + 1) / 2.0;\n w2 = 1 - w1;\n c1.r = 0xFF & w1 * c1.r + w2 * c2.r + 0.5;\n c1.g = 0xFF & w1 * c1.g + w2 * c2.g + 0.5;\n c1.b = 0xFF & w1 * c1.b + w2 * c2.b + 0.5;\n c1.a = p * c1.a + (1 - p) * c2.a;\n me.rgb = c1;\n }\n\n return me;\n }\n }, {\n key: \"clone\",\n value: function clone() {\n return new Color(this.rgb);\n }\n }, {\n key: \"alpha\",\n value: function alpha(a) {\n this._rgb.a = n2b(a);\n return this;\n }\n }, {\n key: \"clearer\",\n value: function clearer(ratio) {\n var rgb = this._rgb;\n rgb.a *= 1 - ratio;\n return this;\n }\n }, {\n key: \"greyscale\",\n value: function greyscale() {\n var rgb = this._rgb;\n var val = round(rgb.r * 0.3 + rgb.g * 0.59 + rgb.b * 0.11);\n rgb.r = rgb.g = rgb.b = val;\n return this;\n }\n }, {\n key: \"opaquer\",\n value: function opaquer(ratio) {\n var rgb = this._rgb;\n rgb.a *= 1 + ratio;\n return this;\n }\n }, {\n key: \"negate\",\n value: function negate() {\n var v = this._rgb;\n v.r = 255 - v.r;\n v.g = 255 - v.g;\n v.b = 255 - v.b;\n return this;\n }\n }, {\n key: \"lighten\",\n value: function lighten(ratio) {\n modHSL(this._rgb, 2, ratio);\n return this;\n }\n }, {\n key: \"darken\",\n value: function darken(ratio) {\n modHSL(this._rgb, 2, -ratio);\n return this;\n }\n }, {\n key: \"saturate\",\n value: function saturate(ratio) {\n modHSL(this._rgb, 1, ratio);\n return this;\n }\n }, {\n key: \"desaturate\",\n value: function desaturate(ratio) {\n modHSL(this._rgb, 1, -ratio);\n return this;\n }\n }, {\n key: \"rotate\",\n value: function rotate(deg) {\n _rotate(this._rgb, deg);\n\n return this;\n }\n }, {\n key: \"valid\",\n get: function get() {\n return this._valid;\n }\n }, {\n key: \"rgb\",\n get: function get() {\n var v = clone(this._rgb);\n\n if (v) {\n v.a = b2n(v.a);\n }\n\n return v;\n },\n set: function set(obj) {\n this._rgb = fromObject(obj);\n }\n }]);\n\n return Color;\n}();\n\nfunction index_esm(input) {\n return new Color(input);\n}\n\nvar isPatternOrGradient = function isPatternOrGradient(value) {\n return value instanceof CanvasGradient || value instanceof CanvasPattern;\n};\n\nfunction color(value) {\n return isPatternOrGradient(value) ? value : index_esm(value);\n}\n\nfunction getHoverColor(value) {\n return isPatternOrGradient(value) ? value : index_esm(value).saturate(0.5).darken(0.1).hexString();\n}\n\nvar overrides = Object.create(null);\nvar descriptors = Object.create(null);\n\nfunction getScope$1(node, key) {\n if (!key) {\n return node;\n }\n\n var keys = key.split('.');\n\n for (var i = 0, n = keys.length; i < n; ++i) {\n var k = keys[i];\n node = node[k] || (node[k] = Object.create(null));\n }\n\n return node;\n}\n\nfunction _set(root, scope, values) {\n if (typeof scope === 'string') {\n return merge(getScope$1(root, scope), values);\n }\n\n return merge(getScope$1(root, ''), scope);\n}\n\nvar Defaults = /*#__PURE__*/function () {\n function Defaults(_descriptors) {\n _classCallCheck(this, Defaults);\n\n this.animation = undefined;\n this.backgroundColor = 'rgba(0,0,0,0.1)';\n this.borderColor = 'rgba(0,0,0,0.1)';\n this.color = '#666';\n this.datasets = {};\n\n this.devicePixelRatio = function (context) {\n return context.chart.platform.getDevicePixelRatio();\n };\n\n this.elements = {};\n this.events = ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'];\n this.font = {\n family: \"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif\",\n size: 12,\n style: 'normal',\n lineHeight: 1.2,\n weight: null\n };\n this.hover = {};\n\n this.hoverBackgroundColor = function (ctx, options) {\n return getHoverColor(options.backgroundColor);\n };\n\n this.hoverBorderColor = function (ctx, options) {\n return getHoverColor(options.borderColor);\n };\n\n this.hoverColor = function (ctx, options) {\n return getHoverColor(options.color);\n };\n\n this.indexAxis = 'x';\n this.interaction = {\n mode: 'nearest',\n intersect: true\n };\n this.maintainAspectRatio = true;\n this.onHover = null;\n this.onClick = null;\n this.parsing = true;\n this.plugins = {};\n this.responsive = true;\n this.scale = undefined;\n this.scales = {};\n this.showLine = true;\n this.describe(_descriptors);\n }\n\n _createClass(Defaults, [{\n key: \"set\",\n value: function set(scope, values) {\n return _set(this, scope, values);\n }\n }, {\n key: \"get\",\n value: function get(scope) {\n return getScope$1(this, scope);\n }\n }, {\n key: \"describe\",\n value: function describe(scope, values) {\n return _set(descriptors, scope, values);\n }\n }, {\n key: \"override\",\n value: function override(scope, values) {\n return _set(overrides, scope, values);\n }\n }, {\n key: \"route\",\n value: function route(scope, name, targetScope, targetName) {\n var _Object$definePropert;\n\n var scopeObject = getScope$1(this, scope);\n var targetScopeObject = getScope$1(this, targetScope);\n var privateName = '_' + name;\n Object.defineProperties(scopeObject, (_Object$definePropert = {}, _defineProperty(_Object$definePropert, privateName, {\n value: scopeObject[name],\n writable: true\n }), _defineProperty(_Object$definePropert, name, {\n enumerable: true,\n get: function get() {\n var local = this[privateName];\n var target = targetScopeObject[targetName];\n\n if (isObject(local)) {\n return Object.assign({}, target, local);\n }\n\n return valueOrDefault(local, target);\n },\n set: function set(value) {\n this[privateName] = value;\n }\n }), _Object$definePropert));\n }\n }]);\n\n return Defaults;\n}();\n\nvar defaults = new Defaults({\n _scriptable: function _scriptable(name) {\n return !name.startsWith('on');\n },\n _indexable: function _indexable(name) {\n return name !== 'events';\n },\n hover: {\n _fallback: 'interaction'\n },\n interaction: {\n _scriptable: false,\n _indexable: false\n }\n});\n\nfunction toFontString(font) {\n if (!font || isNullOrUndef(font.size) || isNullOrUndef(font.family)) {\n return null;\n }\n\n return (font.style ? font.style + ' ' : '') + (font.weight ? font.weight + ' ' : '') + font.size + 'px ' + font.family;\n}\n\nfunction _measureText(ctx, data, gc, longest, string) {\n var textWidth = data[string];\n\n if (!textWidth) {\n textWidth = data[string] = ctx.measureText(string).width;\n gc.push(string);\n }\n\n if (textWidth > longest) {\n longest = textWidth;\n }\n\n return longest;\n}\n\nfunction _longestText(ctx, font, arrayOfThings, cache) {\n cache = cache || {};\n var data = cache.data = cache.data || {};\n var gc = cache.garbageCollect = cache.garbageCollect || [];\n\n if (cache.font !== font) {\n data = cache.data = {};\n gc = cache.garbageCollect = [];\n cache.font = font;\n }\n\n ctx.save();\n ctx.font = font;\n var longest = 0;\n var ilen = arrayOfThings.length;\n var i, j, jlen, thing, nestedThing;\n\n for (i = 0; i < ilen; i++) {\n thing = arrayOfThings[i];\n\n if (thing !== undefined && thing !== null && isArray(thing) !== true) {\n longest = _measureText(ctx, data, gc, longest, thing);\n } else if (isArray(thing)) {\n for (j = 0, jlen = thing.length; j < jlen; j++) {\n nestedThing = thing[j];\n\n if (nestedThing !== undefined && nestedThing !== null && !isArray(nestedThing)) {\n longest = _measureText(ctx, data, gc, longest, nestedThing);\n }\n }\n }\n }\n\n ctx.restore();\n var gcLen = gc.length / 2;\n\n if (gcLen > arrayOfThings.length) {\n for (i = 0; i < gcLen; i++) {\n delete data[gc[i]];\n }\n\n gc.splice(0, gcLen);\n }\n\n return longest;\n}\n\nfunction _alignPixel(chart, pixel, width) {\n var devicePixelRatio = chart.currentDevicePixelRatio;\n var halfWidth = width !== 0 ? Math.max(width / 2, 0.5) : 0;\n return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth;\n}\n\nfunction clearCanvas(canvas, ctx) {\n ctx = ctx || canvas.getContext('2d');\n ctx.save();\n ctx.resetTransform();\n ctx.clearRect(0, 0, canvas.width, canvas.height);\n ctx.restore();\n}\n\nfunction drawPoint(ctx, options, x, y) {\n var type, xOffset, yOffset, size, cornerRadius;\n var style = options.pointStyle;\n var rotation = options.rotation;\n var radius = options.radius;\n var rad = (rotation || 0) * RAD_PER_DEG;\n\n if (style && _typeof(style) === 'object') {\n type = style.toString();\n\n if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {\n ctx.save();\n ctx.translate(x, y);\n ctx.rotate(rad);\n ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height);\n ctx.restore();\n return;\n }\n }\n\n if (isNaN(radius) || radius <= 0) {\n return;\n }\n\n ctx.beginPath();\n\n switch (style) {\n default:\n ctx.arc(x, y, radius, 0, TAU);\n ctx.closePath();\n break;\n\n case 'triangle':\n ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\n rad += TWO_THIRDS_PI;\n ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\n rad += TWO_THIRDS_PI;\n ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\n ctx.closePath();\n break;\n\n case 'rectRounded':\n cornerRadius = radius * 0.516;\n size = radius - cornerRadius;\n xOffset = Math.cos(rad + QUARTER_PI) * size;\n yOffset = Math.sin(rad + QUARTER_PI) * size;\n ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI);\n ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad);\n ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI);\n ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI);\n ctx.closePath();\n break;\n\n case 'rect':\n if (!rotation) {\n size = Math.SQRT1_2 * radius;\n ctx.rect(x - size, y - size, 2 * size, 2 * size);\n break;\n }\n\n rad += QUARTER_PI;\n\n case 'rectRot':\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + yOffset, y - xOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n ctx.closePath();\n break;\n\n case 'crossRot':\n rad += QUARTER_PI;\n\n case 'cross':\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x + yOffset, y - xOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n break;\n\n case 'star':\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x + yOffset, y - xOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n rad += QUARTER_PI;\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n ctx.moveTo(x + yOffset, y - xOffset);\n ctx.lineTo(x - yOffset, y + xOffset);\n break;\n\n case 'line':\n xOffset = Math.cos(rad) * radius;\n yOffset = Math.sin(rad) * radius;\n ctx.moveTo(x - xOffset, y - yOffset);\n ctx.lineTo(x + xOffset, y + yOffset);\n break;\n\n case 'dash':\n ctx.moveTo(x, y);\n ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius);\n break;\n }\n\n ctx.fill();\n\n if (options.borderWidth > 0) {\n ctx.stroke();\n }\n}\n\nfunction _isPointInArea(point, area, margin) {\n margin = margin || 0.5;\n return !area || point && point.x > area.left - margin && point.x < area.right + margin && point.y > area.top - margin && point.y < area.bottom + margin;\n}\n\nfunction clipArea(ctx, area) {\n ctx.save();\n ctx.beginPath();\n ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);\n ctx.clip();\n}\n\nfunction unclipArea(ctx) {\n ctx.restore();\n}\n\nfunction _steppedLineTo(ctx, previous, target, flip, mode) {\n if (!previous) {\n return ctx.lineTo(target.x, target.y);\n }\n\n if (mode === 'middle') {\n var midpoint = (previous.x + target.x) / 2.0;\n ctx.lineTo(midpoint, previous.y);\n ctx.lineTo(midpoint, target.y);\n } else if (mode === 'after' !== !!flip) {\n ctx.lineTo(previous.x, target.y);\n } else {\n ctx.lineTo(target.x, previous.y);\n }\n\n ctx.lineTo(target.x, target.y);\n}\n\nfunction _bezierCurveTo(ctx, previous, target, flip) {\n if (!previous) {\n return ctx.lineTo(target.x, target.y);\n }\n\n ctx.bezierCurveTo(flip ? previous.cp1x : previous.cp2x, flip ? previous.cp1y : previous.cp2y, flip ? target.cp2x : target.cp1x, flip ? target.cp2y : target.cp1y, target.x, target.y);\n}\n\nfunction renderText(ctx, text, x, y, font) {\n var opts = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {};\n var lines = isArray(text) ? text : [text];\n var stroke = opts.strokeWidth > 0 && opts.strokeColor !== '';\n var i, line;\n ctx.save();\n ctx.font = font.string;\n setRenderOpts(ctx, opts);\n\n for (i = 0; i < lines.length; ++i) {\n line = lines[i];\n\n if (stroke) {\n if (opts.strokeColor) {\n ctx.strokeStyle = opts.strokeColor;\n }\n\n if (!isNullOrUndef(opts.strokeWidth)) {\n ctx.lineWidth = opts.strokeWidth;\n }\n\n ctx.strokeText(line, x, y, opts.maxWidth);\n }\n\n ctx.fillText(line, x, y, opts.maxWidth);\n decorateText(ctx, x, y, line, opts);\n y += font.lineHeight;\n }\n\n ctx.restore();\n}\n\nfunction setRenderOpts(ctx, opts) {\n if (opts.translation) {\n ctx.translate(opts.translation[0], opts.translation[1]);\n }\n\n if (!isNullOrUndef(opts.rotation)) {\n ctx.rotate(opts.rotation);\n }\n\n if (opts.color) {\n ctx.fillStyle = opts.color;\n }\n\n if (opts.textAlign) {\n ctx.textAlign = opts.textAlign;\n }\n\n if (opts.textBaseline) {\n ctx.textBaseline = opts.textBaseline;\n }\n}\n\nfunction decorateText(ctx, x, y, line, opts) {\n if (opts.strikethrough || opts.underline) {\n var metrics = ctx.measureText(line);\n var left = x - metrics.actualBoundingBoxLeft;\n var right = x + metrics.actualBoundingBoxRight;\n var top = y - metrics.actualBoundingBoxAscent;\n var bottom = y + metrics.actualBoundingBoxDescent;\n var yDecoration = opts.strikethrough ? (top + bottom) / 2 : bottom;\n ctx.strokeStyle = ctx.fillStyle;\n ctx.beginPath();\n ctx.lineWidth = opts.decorationWidth || 2;\n ctx.moveTo(left, yDecoration);\n ctx.lineTo(right, yDecoration);\n ctx.stroke();\n }\n}\n\nfunction addRoundedRectPath(ctx, rect) {\n var x = rect.x,\n y = rect.y,\n w = rect.w,\n h = rect.h,\n radius = rect.radius;\n ctx.arc(x + radius.topLeft, y + radius.topLeft, radius.topLeft, -HALF_PI, PI, true);\n ctx.lineTo(x, y + h - radius.bottomLeft);\n ctx.arc(x + radius.bottomLeft, y + h - radius.bottomLeft, radius.bottomLeft, PI, HALF_PI, true);\n ctx.lineTo(x + w - radius.bottomRight, y + h);\n ctx.arc(x + w - radius.bottomRight, y + h - radius.bottomRight, radius.bottomRight, HALF_PI, 0, true);\n ctx.lineTo(x + w, y + radius.topRight);\n ctx.arc(x + w - radius.topRight, y + radius.topRight, radius.topRight, 0, -HALF_PI, true);\n ctx.lineTo(x + radius.topLeft, y);\n}\n\nvar LINE_HEIGHT = new RegExp(/^(normal|(\\d+(?:\\.\\d+)?)(px|em|%)?)$/);\nvar FONT_STYLE = new RegExp(/^(normal|italic|initial|inherit|unset|(oblique( -?[0-9]?[0-9]deg)?))$/);\n\nfunction toLineHeight(value, size) {\n var matches = ('' + value).match(LINE_HEIGHT);\n\n if (!matches || matches[1] === 'normal') {\n return size * 1.2;\n }\n\n value = +matches[2];\n\n switch (matches[3]) {\n case 'px':\n return value;\n\n case '%':\n value /= 100;\n break;\n }\n\n return size * value;\n}\n\nvar numberOrZero = function numberOrZero(v) {\n return +v || 0;\n};\n\nfunction _readValueToProps(value, props) {\n var ret = {};\n var objProps = isObject(props);\n var keys = objProps ? Object.keys(props) : props;\n var read = isObject(value) ? objProps ? function (prop) {\n return valueOrDefault(value[prop], value[props[prop]]);\n } : function (prop) {\n return value[prop];\n } : function () {\n return value;\n };\n\n var _iterator2 = _createForOfIteratorHelper(keys),\n _step2;\n\n try {\n for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {\n var prop = _step2.value;\n ret[prop] = numberOrZero(read(prop));\n }\n } catch (err) {\n _iterator2.e(err);\n } finally {\n _iterator2.f();\n }\n\n return ret;\n}\n\nfunction toTRBL(value) {\n return _readValueToProps(value, {\n top: 'y',\n right: 'x',\n bottom: 'y',\n left: 'x'\n });\n}\n\nfunction toTRBLCorners(value) {\n return _readValueToProps(value, ['topLeft', 'topRight', 'bottomLeft', 'bottomRight']);\n}\n\nfunction toPadding(value) {\n var obj = toTRBL(value);\n obj.width = obj.left + obj.right;\n obj.height = obj.top + obj.bottom;\n return obj;\n}\n\nfunction toFont(options, fallback) {\n options = options || {};\n fallback = fallback || defaults.font;\n var size = valueOrDefault(options.size, fallback.size);\n\n if (typeof size === 'string') {\n size = parseInt(size, 10);\n }\n\n var style = valueOrDefault(options.style, fallback.style);\n\n if (style && !('' + style).match(FONT_STYLE)) {\n console.warn('Invalid font style specified: \"' + style + '\"');\n style = '';\n }\n\n var font = {\n family: valueOrDefault(options.family, fallback.family),\n lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size),\n size: size,\n style: style,\n weight: valueOrDefault(options.weight, fallback.weight),\n string: ''\n };\n font.string = toFontString(font);\n return font;\n}\n\nfunction resolve(inputs, context, index, info) {\n var cacheable = true;\n var i, ilen, value;\n\n for (i = 0, ilen = inputs.length; i < ilen; ++i) {\n value = inputs[i];\n\n if (value === undefined) {\n continue;\n }\n\n if (context !== undefined && typeof value === 'function') {\n value = value(context);\n cacheable = false;\n }\n\n if (index !== undefined && isArray(value)) {\n value = value[index % value.length];\n cacheable = false;\n }\n\n if (value !== undefined) {\n if (info && !cacheable) {\n info.cacheable = false;\n }\n\n return value;\n }\n }\n}\n\nfunction _addGrace(minmax, grace) {\n var min = minmax.min,\n max = minmax.max;\n return {\n min: min - Math.abs(toDimension(grace, min)),\n max: max + toDimension(grace, max)\n };\n}\n\nfunction _lookup(table, value, cmp) {\n cmp = cmp || function (index) {\n return table[index] < value;\n };\n\n var hi = table.length - 1;\n var lo = 0;\n var mid;\n\n while (hi - lo > 1) {\n mid = lo + hi >> 1;\n\n if (cmp(mid)) {\n lo = mid;\n } else {\n hi = mid;\n }\n }\n\n return {\n lo: lo,\n hi: hi\n };\n}\n\nvar _lookupByKey = function _lookupByKey(table, key, value) {\n return _lookup(table, value, function (index) {\n return table[index][key] < value;\n });\n};\n\nvar _rlookupByKey = function _rlookupByKey(table, key, value) {\n return _lookup(table, value, function (index) {\n return table[index][key] >= value;\n });\n};\n\nfunction _filterBetween(values, min, max) {\n var start = 0;\n var end = values.length;\n\n while (start < end && values[start] < min) {\n start++;\n }\n\n while (end > start && values[end - 1] > max) {\n end--;\n }\n\n return start > 0 || end < values.length ? values.slice(start, end) : values;\n}\n\nvar arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];\n\nfunction listenArrayEvents(array, listener) {\n if (array._chartjs) {\n array._chartjs.listeners.push(listener);\n\n return;\n }\n\n Object.defineProperty(array, '_chartjs', {\n configurable: true,\n enumerable: false,\n value: {\n listeners: [listener]\n }\n });\n arrayEvents.forEach(function (key) {\n var method = '_onData' + _capitalize(key);\n\n var base = array[key];\n Object.defineProperty(array, key, {\n configurable: true,\n enumerable: false,\n value: function value() {\n for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n\n var res = base.apply(this, args);\n\n array._chartjs.listeners.forEach(function (object) {\n if (typeof object[method] === 'function') {\n object[method].apply(object, args);\n }\n });\n\n return res;\n }\n });\n });\n}\n\nfunction unlistenArrayEvents(array, listener) {\n var stub = array._chartjs;\n\n if (!stub) {\n return;\n }\n\n var listeners = stub.listeners;\n var index = listeners.indexOf(listener);\n\n if (index !== -1) {\n listeners.splice(index, 1);\n }\n\n if (listeners.length > 0) {\n return;\n }\n\n arrayEvents.forEach(function (key) {\n delete array[key];\n });\n delete array._chartjs;\n}\n\nfunction _arrayUnique(items) {\n var set = new Set();\n var i, ilen;\n\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n set.add(items[i]);\n }\n\n if (set.size === ilen) {\n return items;\n }\n\n return Array.from(set);\n}\n\nfunction _createResolver(scopes) {\n var _cache;\n\n var prefixes = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [''];\n var rootScopes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : scopes;\n var fallback = arguments.length > 3 ? arguments[3] : undefined;\n var getTarget = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : function () {\n return scopes[0];\n };\n\n if (!defined(fallback)) {\n fallback = _resolve('_fallback', scopes);\n }\n\n var cache = (_cache = {}, _defineProperty(_cache, Symbol.toStringTag, 'Object'), _defineProperty(_cache, \"_cacheable\", true), _defineProperty(_cache, \"_scopes\", scopes), _defineProperty(_cache, \"_rootScopes\", rootScopes), _defineProperty(_cache, \"_fallback\", fallback), _defineProperty(_cache, \"_getTarget\", getTarget), _defineProperty(_cache, \"override\", function override(scope) {\n return _createResolver([scope].concat(_toConsumableArray(scopes)), prefixes, rootScopes, fallback);\n }), _cache);\n return new Proxy(cache, {\n deleteProperty: function deleteProperty(target, prop) {\n delete target[prop];\n delete target._keys;\n delete scopes[0][prop];\n return true;\n },\n get: function get(target, prop) {\n return _cached(target, prop, function () {\n return _resolveWithPrefixes(prop, prefixes, scopes, target);\n });\n },\n getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, prop) {\n return Reflect.getOwnPropertyDescriptor(target._scopes[0], prop);\n },\n getPrototypeOf: function getPrototypeOf() {\n return Reflect.getPrototypeOf(scopes[0]);\n },\n has: function has(target, prop) {\n return getKeysFromAllScopes(target).includes(prop);\n },\n ownKeys: function ownKeys(target) {\n return getKeysFromAllScopes(target);\n },\n set: function set(target, prop, value) {\n var storage = target._storage || (target._storage = getTarget());\n storage[prop] = value;\n delete target[prop];\n delete target._keys;\n return true;\n }\n });\n}\n\nfunction _attachContext(proxy, context, subProxy, descriptorDefaults) {\n var cache = {\n _cacheable: false,\n _proxy: proxy,\n _context: context,\n _subProxy: subProxy,\n _stack: new Set(),\n _descriptors: _descriptors(proxy, descriptorDefaults),\n setContext: function setContext(ctx) {\n return _attachContext(proxy, ctx, subProxy, descriptorDefaults);\n },\n override: function override(scope) {\n return _attachContext(proxy.override(scope), context, subProxy, descriptorDefaults);\n }\n };\n return new Proxy(cache, {\n deleteProperty: function deleteProperty(target, prop) {\n delete target[prop];\n delete proxy[prop];\n return true;\n },\n get: function get(target, prop, receiver) {\n return _cached(target, prop, function () {\n return _resolveWithContext(target, prop, receiver);\n });\n },\n getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, prop) {\n return target._descriptors.allKeys ? Reflect.has(proxy, prop) ? {\n enumerable: true,\n configurable: true\n } : undefined : Reflect.getOwnPropertyDescriptor(proxy, prop);\n },\n getPrototypeOf: function getPrototypeOf() {\n return Reflect.getPrototypeOf(proxy);\n },\n has: function has(target, prop) {\n return Reflect.has(proxy, prop);\n },\n ownKeys: function ownKeys() {\n return Reflect.ownKeys(proxy);\n },\n set: function set(target, prop, value) {\n proxy[prop] = value;\n delete target[prop];\n return true;\n }\n });\n}\n\nfunction _descriptors(proxy) {\n var defaults = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n scriptable: true,\n indexable: true\n };\n\n var _proxy$_scriptable = proxy._scriptable,\n _scriptable = _proxy$_scriptable === void 0 ? defaults.scriptable : _proxy$_scriptable,\n _proxy$_indexable = proxy._indexable,\n _indexable = _proxy$_indexable === void 0 ? defaults.indexable : _proxy$_indexable,\n _proxy$_allKeys = proxy._allKeys,\n _allKeys = _proxy$_allKeys === void 0 ? defaults.allKeys : _proxy$_allKeys;\n\n return {\n allKeys: _allKeys,\n scriptable: _scriptable,\n indexable: _indexable,\n isScriptable: isFunction(_scriptable) ? _scriptable : function () {\n return _scriptable;\n },\n isIndexable: isFunction(_indexable) ? _indexable : function () {\n return _indexable;\n }\n };\n}\n\nvar readKey = function readKey(prefix, name) {\n return prefix ? prefix + _capitalize(name) : name;\n};\n\nvar needsSubResolver = function needsSubResolver(prop, value) {\n return isObject(value) && prop !== 'adapters';\n};\n\nfunction _cached(target, prop, resolve) {\n var value = target[prop];\n\n if (defined(value)) {\n return value;\n }\n\n value = resolve();\n\n if (defined(value)) {\n target[prop] = value;\n }\n\n return value;\n}\n\nfunction _resolveWithContext(target, prop, receiver) {\n var _proxy = target._proxy,\n _context = target._context,\n _subProxy = target._subProxy,\n descriptors = target._descriptors;\n var value = _proxy[prop];\n\n if (isFunction(value) && descriptors.isScriptable(prop)) {\n value = _resolveScriptable(prop, value, target, receiver);\n }\n\n if (isArray(value) && value.length) {\n value = _resolveArray(prop, value, target, descriptors.isIndexable);\n }\n\n if (needsSubResolver(prop, value)) {\n value = _attachContext(value, _context, _subProxy && _subProxy[prop], descriptors);\n }\n\n return value;\n}\n\nfunction _resolveScriptable(prop, value, target, receiver) {\n var _proxy = target._proxy,\n _context = target._context,\n _subProxy = target._subProxy,\n _stack = target._stack;\n\n if (_stack.has(prop)) {\n throw new Error('Recursion detected: ' + Array.from(_stack).join('->') + '->' + prop);\n }\n\n _stack.add(prop);\n\n value = value(_context, _subProxy || receiver);\n\n _stack[\"delete\"](prop);\n\n if (isObject(value)) {\n value = createSubResolver(_proxy._scopes, _proxy, prop, value);\n }\n\n return value;\n}\n\nfunction _resolveArray(prop, value, target, isIndexable) {\n var _proxy = target._proxy,\n _context = target._context,\n _subProxy = target._subProxy,\n descriptors = target._descriptors;\n\n if (defined(_context.index) && isIndexable(prop)) {\n value = value[_context.index % value.length];\n } else if (isObject(value[0])) {\n var arr = value;\n\n var scopes = _proxy._scopes.filter(function (s) {\n return s !== arr;\n });\n\n value = [];\n\n var _iterator3 = _createForOfIteratorHelper(arr),\n _step3;\n\n try {\n for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {\n var item = _step3.value;\n var resolver = createSubResolver(scopes, _proxy, prop, item);\n value.push(_attachContext(resolver, _context, _subProxy && _subProxy[prop], descriptors));\n }\n } catch (err) {\n _iterator3.e(err);\n } finally {\n _iterator3.f();\n }\n }\n\n return value;\n}\n\nfunction resolveFallback(fallback, prop, value) {\n return isFunction(fallback) ? fallback(prop, value) : fallback;\n}\n\nvar getScope = function getScope(key, parent) {\n return key === true ? parent : typeof key === 'string' ? resolveObjectKey(parent, key) : undefined;\n};\n\nfunction addScopes(set, parentScopes, key, parentFallback) {\n var _iterator4 = _createForOfIteratorHelper(parentScopes),\n _step4;\n\n try {\n for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {\n var parent = _step4.value;\n var scope = getScope(key, parent);\n\n if (scope) {\n set.add(scope);\n var fallback = resolveFallback(scope._fallback, key, scope);\n\n if (defined(fallback) && fallback !== key && fallback !== parentFallback) {\n return fallback;\n }\n } else if (scope === false && defined(parentFallback) && key !== parentFallback) {\n return null;\n }\n }\n } catch (err) {\n _iterator4.e(err);\n } finally {\n _iterator4.f();\n }\n\n return false;\n}\n\nfunction createSubResolver(parentScopes, resolver, prop, value) {\n var rootScopes = resolver._rootScopes;\n var fallback = resolveFallback(resolver._fallback, prop, value);\n var allScopes = [].concat(_toConsumableArray(parentScopes), _toConsumableArray(rootScopes));\n var set = new Set();\n set.add(value);\n var key = addScopesFromKey(set, allScopes, prop, fallback || prop);\n\n if (key === null) {\n return false;\n }\n\n if (defined(fallback) && fallback !== prop) {\n key = addScopesFromKey(set, allScopes, fallback, key);\n\n if (key === null) {\n return false;\n }\n }\n\n return _createResolver(Array.from(set), [''], rootScopes, fallback, function () {\n return subGetTarget(resolver, prop, value);\n });\n}\n\nfunction addScopesFromKey(set, allScopes, key, fallback) {\n while (key) {\n key = addScopes(set, allScopes, key, fallback);\n }\n\n return key;\n}\n\nfunction subGetTarget(resolver, prop, value) {\n var parent = resolver._getTarget();\n\n if (!(prop in parent)) {\n parent[prop] = {};\n }\n\n var target = parent[prop];\n\n if (isArray(target) && isObject(value)) {\n return value;\n }\n\n return target;\n}\n\nfunction _resolveWithPrefixes(prop, prefixes, scopes, proxy) {\n var value;\n\n var _iterator5 = _createForOfIteratorHelper(prefixes),\n _step5;\n\n try {\n for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {\n var prefix = _step5.value;\n value = _resolve(readKey(prefix, prop), scopes);\n\n if (defined(value)) {\n return needsSubResolver(prop, value) ? createSubResolver(scopes, proxy, prop, value) : value;\n }\n }\n } catch (err) {\n _iterator5.e(err);\n } finally {\n _iterator5.f();\n }\n}\n\nfunction _resolve(key, scopes) {\n var _iterator6 = _createForOfIteratorHelper(scopes),\n _step6;\n\n try {\n for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {\n var scope = _step6.value;\n\n if (!scope) {\n continue;\n }\n\n var value = scope[key];\n\n if (defined(value)) {\n return value;\n }\n }\n } catch (err) {\n _iterator6.e(err);\n } finally {\n _iterator6.f();\n }\n}\n\nfunction getKeysFromAllScopes(target) {\n var keys = target._keys;\n\n if (!keys) {\n keys = target._keys = resolveKeysFromAllScopes(target._scopes);\n }\n\n return keys;\n}\n\nfunction resolveKeysFromAllScopes(scopes) {\n var set = new Set();\n\n var _iterator7 = _createForOfIteratorHelper(scopes),\n _step7;\n\n try {\n for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {\n var scope = _step7.value;\n\n var _iterator8 = _createForOfIteratorHelper(Object.keys(scope).filter(function (k) {\n return !k.startsWith('_');\n })),\n _step8;\n\n try {\n for (_iterator8.s(); !(_step8 = _iterator8.n()).done;) {\n var key = _step8.value;\n set.add(key);\n }\n } catch (err) {\n _iterator8.e(err);\n } finally {\n _iterator8.f();\n }\n }\n } catch (err) {\n _iterator7.e(err);\n } finally {\n _iterator7.f();\n }\n\n return Array.from(set);\n}\n\nvar EPSILON = Number.EPSILON || 1e-14;\n\nvar getPoint = function getPoint(points, i) {\n return i < points.length && !points[i].skip && points[i];\n};\n\nvar getValueAxis = function getValueAxis(indexAxis) {\n return indexAxis === 'x' ? 'y' : 'x';\n};\n\nfunction splineCurve(firstPoint, middlePoint, afterPoint, t) {\n var previous = firstPoint.skip ? middlePoint : firstPoint;\n var current = middlePoint;\n var next = afterPoint.skip ? middlePoint : afterPoint;\n var d01 = distanceBetweenPoints(current, previous);\n var d12 = distanceBetweenPoints(next, current);\n var s01 = d01 / (d01 + d12);\n var s12 = d12 / (d01 + d12);\n s01 = isNaN(s01) ? 0 : s01;\n s12 = isNaN(s12) ? 0 : s12;\n var fa = t * s01;\n var fb = t * s12;\n return {\n previous: {\n x: current.x - fa * (next.x - previous.x),\n y: current.y - fa * (next.y - previous.y)\n },\n next: {\n x: current.x + fb * (next.x - previous.x),\n y: current.y + fb * (next.y - previous.y)\n }\n };\n}\n\nfunction monotoneAdjust(points, deltaK, mK) {\n var pointsLen = points.length;\n var alphaK, betaK, tauK, squaredMagnitude, pointCurrent;\n var pointAfter = getPoint(points, 0);\n\n for (var i = 0; i < pointsLen - 1; ++i) {\n pointCurrent = pointAfter;\n pointAfter = getPoint(points, i + 1);\n\n if (!pointCurrent || !pointAfter) {\n continue;\n }\n\n if (almostEquals(deltaK[i], 0, EPSILON)) {\n mK[i] = mK[i + 1] = 0;\n continue;\n }\n\n alphaK = mK[i] / deltaK[i];\n betaK = mK[i + 1] / deltaK[i];\n squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);\n\n if (squaredMagnitude <= 9) {\n continue;\n }\n\n tauK = 3 / Math.sqrt(squaredMagnitude);\n mK[i] = alphaK * tauK * deltaK[i];\n mK[i + 1] = betaK * tauK * deltaK[i];\n }\n}\n\nfunction monotoneCompute(points, mK) {\n var indexAxis = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'x';\n var valueAxis = getValueAxis(indexAxis);\n var pointsLen = points.length;\n var delta, pointBefore, pointCurrent;\n var pointAfter = getPoint(points, 0);\n\n for (var i = 0; i < pointsLen; ++i) {\n pointBefore = pointCurrent;\n pointCurrent = pointAfter;\n pointAfter = getPoint(points, i + 1);\n\n if (!pointCurrent) {\n continue;\n }\n\n var iPixel = pointCurrent[indexAxis];\n var vPixel = pointCurrent[valueAxis];\n\n if (pointBefore) {\n delta = (iPixel - pointBefore[indexAxis]) / 3;\n pointCurrent[\"cp1\".concat(indexAxis)] = iPixel - delta;\n pointCurrent[\"cp1\".concat(valueAxis)] = vPixel - delta * mK[i];\n }\n\n if (pointAfter) {\n delta = (pointAfter[indexAxis] - iPixel) / 3;\n pointCurrent[\"cp2\".concat(indexAxis)] = iPixel + delta;\n pointCurrent[\"cp2\".concat(valueAxis)] = vPixel + delta * mK[i];\n }\n }\n}\n\nfunction splineCurveMonotone(points) {\n var indexAxis = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'x';\n var valueAxis = getValueAxis(indexAxis);\n var pointsLen = points.length;\n var deltaK = Array(pointsLen).fill(0);\n var mK = Array(pointsLen);\n var i, pointBefore, pointCurrent;\n var pointAfter = getPoint(points, 0);\n\n for (i = 0; i < pointsLen; ++i) {\n pointBefore = pointCurrent;\n pointCurrent = pointAfter;\n pointAfter = getPoint(points, i + 1);\n\n if (!pointCurrent) {\n continue;\n }\n\n if (pointAfter) {\n var slopeDelta = pointAfter[indexAxis] - pointCurrent[indexAxis];\n deltaK[i] = slopeDelta !== 0 ? (pointAfter[valueAxis] - pointCurrent[valueAxis]) / slopeDelta : 0;\n }\n\n mK[i] = !pointBefore ? deltaK[i] : !pointAfter ? deltaK[i - 1] : sign(deltaK[i - 1]) !== sign(deltaK[i]) ? 0 : (deltaK[i - 1] + deltaK[i]) / 2;\n }\n\n monotoneAdjust(points, deltaK, mK);\n monotoneCompute(points, mK, indexAxis);\n}\n\nfunction capControlPoint(pt, min, max) {\n return Math.max(Math.min(pt, max), min);\n}\n\nfunction capBezierPoints(points, area) {\n var i, ilen, point, inArea, inAreaPrev;\n\n var inAreaNext = _isPointInArea(points[0], area);\n\n for (i = 0, ilen = points.length; i < ilen; ++i) {\n inAreaPrev = inArea;\n inArea = inAreaNext;\n inAreaNext = i < ilen - 1 && _isPointInArea(points[i + 1], area);\n\n if (!inArea) {\n continue;\n }\n\n point = points[i];\n\n if (inAreaPrev) {\n point.cp1x = capControlPoint(point.cp1x, area.left, area.right);\n point.cp1y = capControlPoint(point.cp1y, area.top, area.bottom);\n }\n\n if (inAreaNext) {\n point.cp2x = capControlPoint(point.cp2x, area.left, area.right);\n point.cp2y = capControlPoint(point.cp2y, area.top, area.bottom);\n }\n }\n}\n\nfunction _updateBezierControlPoints(points, options, area, loop, indexAxis) {\n var i, ilen, point, controlPoints;\n\n if (options.spanGaps) {\n points = points.filter(function (pt) {\n return !pt.skip;\n });\n }\n\n if (options.cubicInterpolationMode === 'monotone') {\n splineCurveMonotone(points, indexAxis);\n } else {\n var prev = loop ? points[points.length - 1] : points[0];\n\n for (i = 0, ilen = points.length; i < ilen; ++i) {\n point = points[i];\n controlPoints = splineCurve(prev, point, points[Math.min(i + 1, ilen - (loop ? 0 : 1)) % ilen], options.tension);\n point.cp1x = controlPoints.previous.x;\n point.cp1y = controlPoints.previous.y;\n point.cp2x = controlPoints.next.x;\n point.cp2y = controlPoints.next.y;\n prev = point;\n }\n }\n\n if (options.capBezierPoints) {\n capBezierPoints(points, area);\n }\n}\n\nfunction _isDomSupported() {\n return typeof window !== 'undefined' && typeof document !== 'undefined';\n}\n\nfunction _getParentNode(domNode) {\n var parent = domNode.parentNode;\n\n if (parent && parent.toString() === '[object ShadowRoot]') {\n parent = parent.host;\n }\n\n return parent;\n}\n\nfunction parseMaxStyle(styleValue, node, parentProperty) {\n var valueInPixels;\n\n if (typeof styleValue === 'string') {\n valueInPixels = parseInt(styleValue, 10);\n\n if (styleValue.indexOf('%') !== -1) {\n valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];\n }\n } else {\n valueInPixels = styleValue;\n }\n\n return valueInPixels;\n}\n\nvar getComputedStyle = function getComputedStyle(element) {\n return window.getComputedStyle(element, null);\n};\n\nfunction getStyle(el, property) {\n return getComputedStyle(el).getPropertyValue(property);\n}\n\nvar positions = ['top', 'right', 'bottom', 'left'];\n\nfunction getPositionedStyle(styles, style, suffix) {\n var result = {};\n suffix = suffix ? '-' + suffix : '';\n\n for (var i = 0; i < 4; i++) {\n var pos = positions[i];\n result[pos] = parseFloat(styles[style + '-' + pos + suffix]) || 0;\n }\n\n result.width = result.left + result.right;\n result.height = result.top + result.bottom;\n return result;\n}\n\nvar useOffsetPos = function useOffsetPos(x, y, target) {\n return (x > 0 || y > 0) && (!target || !target.shadowRoot);\n};\n\nfunction getCanvasPosition(evt, canvas) {\n var e = evt[\"native\"] || evt;\n var touches = e.touches;\n var source = touches && touches.length ? touches[0] : e;\n var offsetX = source.offsetX,\n offsetY = source.offsetY;\n var box = false;\n var x, y;\n\n if (useOffsetPos(offsetX, offsetY, e.target)) {\n x = offsetX;\n y = offsetY;\n } else {\n var rect = canvas.getBoundingClientRect();\n x = source.clientX - rect.left;\n y = source.clientY - rect.top;\n box = true;\n }\n\n return {\n x: x,\n y: y,\n box: box\n };\n}\n\nfunction getRelativePosition(evt, chart) {\n var canvas = chart.canvas,\n currentDevicePixelRatio = chart.currentDevicePixelRatio;\n var style = getComputedStyle(canvas);\n var borderBox = style.boxSizing === 'border-box';\n var paddings = getPositionedStyle(style, 'padding');\n var borders = getPositionedStyle(style, 'border', 'width');\n\n var _getCanvasPosition = getCanvasPosition(evt, canvas),\n x = _getCanvasPosition.x,\n y = _getCanvasPosition.y,\n box = _getCanvasPosition.box;\n\n var xOffset = paddings.left + (box && borders.left);\n var yOffset = paddings.top + (box && borders.top);\n var width = chart.width,\n height = chart.height;\n\n if (borderBox) {\n width -= paddings.width + borders.width;\n height -= paddings.height + borders.height;\n }\n\n return {\n x: Math.round((x - xOffset) / width * canvas.width / currentDevicePixelRatio),\n y: Math.round((y - yOffset) / height * canvas.height / currentDevicePixelRatio)\n };\n}\n\nfunction getContainerSize(canvas, width, height) {\n var maxWidth, maxHeight;\n\n if (width === undefined || height === undefined) {\n var container = _getParentNode(canvas);\n\n if (!container) {\n width = canvas.clientWidth;\n height = canvas.clientHeight;\n } else {\n var rect = container.getBoundingClientRect();\n var containerStyle = getComputedStyle(container);\n var containerBorder = getPositionedStyle(containerStyle, 'border', 'width');\n var containerPadding = getPositionedStyle(containerStyle, 'padding');\n width = rect.width - containerPadding.width - containerBorder.width;\n height = rect.height - containerPadding.height - containerBorder.height;\n maxWidth = parseMaxStyle(containerStyle.maxWidth, container, 'clientWidth');\n maxHeight = parseMaxStyle(containerStyle.maxHeight, container, 'clientHeight');\n }\n }\n\n return {\n width: width,\n height: height,\n maxWidth: maxWidth || INFINITY,\n maxHeight: maxHeight || INFINITY\n };\n}\n\nvar round1 = function round1(v) {\n return Math.round(v * 10) / 10;\n};\n\nfunction getMaximumSize(canvas, bbWidth, bbHeight, aspectRatio) {\n var style = getComputedStyle(canvas);\n var margins = getPositionedStyle(style, 'margin');\n var maxWidth = parseMaxStyle(style.maxWidth, canvas, 'clientWidth') || INFINITY;\n var maxHeight = parseMaxStyle(style.maxHeight, canvas, 'clientHeight') || INFINITY;\n var containerSize = getContainerSize(canvas, bbWidth, bbHeight);\n var width = containerSize.width,\n height = containerSize.height;\n\n if (style.boxSizing === 'content-box') {\n var borders = getPositionedStyle(style, 'border', 'width');\n var paddings = getPositionedStyle(style, 'padding');\n width -= paddings.width + borders.width;\n height -= paddings.height + borders.height;\n }\n\n width = Math.max(0, width - margins.width);\n height = Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height - margins.height);\n width = round1(Math.min(width, maxWidth, containerSize.maxWidth));\n height = round1(Math.min(height, maxHeight, containerSize.maxHeight));\n\n if (width && !height) {\n height = round1(width / 2);\n }\n\n return {\n width: width,\n height: height\n };\n}\n\nfunction retinaScale(chart, forceRatio, forceStyle) {\n var pixelRatio = forceRatio || 1;\n var deviceHeight = Math.floor(chart.height * pixelRatio);\n var deviceWidth = Math.floor(chart.width * pixelRatio);\n chart.height = deviceHeight / pixelRatio;\n chart.width = deviceWidth / pixelRatio;\n var canvas = chart.canvas;\n\n if (canvas.style && (forceStyle || !canvas.style.height && !canvas.style.width)) {\n canvas.style.height = \"\".concat(chart.height, \"px\");\n canvas.style.width = \"\".concat(chart.width, \"px\");\n }\n\n if (chart.currentDevicePixelRatio !== pixelRatio || canvas.height !== deviceHeight || canvas.width !== deviceWidth) {\n chart.currentDevicePixelRatio = pixelRatio;\n canvas.height = deviceHeight;\n canvas.width = deviceWidth;\n chart.ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0);\n return true;\n }\n\n return false;\n}\n\nvar supportsEventListenerOptions = function () {\n var passiveSupported = false;\n\n try {\n var options = {\n get passive() {\n passiveSupported = true;\n return false;\n }\n\n };\n window.addEventListener('test', null, options);\n window.removeEventListener('test', null, options);\n } catch (e) {}\n\n return passiveSupported;\n}();\n\nfunction readUsedSize(element, property) {\n var value = getStyle(element, property);\n var matches = value && value.match(/^(\\d+)(\\.\\d+)?px$/);\n return matches ? +matches[1] : undefined;\n}\n\nfunction _pointInLine(p1, p2, t, mode) {\n return {\n x: p1.x + t * (p2.x - p1.x),\n y: p1.y + t * (p2.y - p1.y)\n };\n}\n\nfunction _steppedInterpolation(p1, p2, t, mode) {\n return {\n x: p1.x + t * (p2.x - p1.x),\n y: mode === 'middle' ? t < 0.5 ? p1.y : p2.y : mode === 'after' ? t < 1 ? p1.y : p2.y : t > 0 ? p2.y : p1.y\n };\n}\n\nfunction _bezierInterpolation(p1, p2, t, mode) {\n var cp1 = {\n x: p1.cp2x,\n y: p1.cp2y\n };\n var cp2 = {\n x: p2.cp1x,\n y: p2.cp1y\n };\n\n var a = _pointInLine(p1, cp1, t);\n\n var b = _pointInLine(cp1, cp2, t);\n\n var c = _pointInLine(cp2, p2, t);\n\n var d = _pointInLine(a, b, t);\n\n var e = _pointInLine(b, c, t);\n\n return _pointInLine(d, e, t);\n}\n\nvar intlCache = new Map();\n\nfunction getNumberFormat(locale, options) {\n options = options || {};\n var cacheKey = locale + JSON.stringify(options);\n var formatter = intlCache.get(cacheKey);\n\n if (!formatter) {\n formatter = new Intl.NumberFormat(locale, options);\n intlCache.set(cacheKey, formatter);\n }\n\n return formatter;\n}\n\nfunction formatNumber(num, locale, options) {\n return getNumberFormat(locale, options).format(num);\n}\n\nvar getRightToLeftAdapter = function getRightToLeftAdapter(rectX, width) {\n return {\n x: function x(_x) {\n return rectX + rectX + width - _x;\n },\n setWidth: function setWidth(w) {\n width = w;\n },\n textAlign: function textAlign(align) {\n if (align === 'center') {\n return align;\n }\n\n return align === 'right' ? 'left' : 'right';\n },\n xPlus: function xPlus(x, value) {\n return x - value;\n },\n leftForLtr: function leftForLtr(x, itemWidth) {\n return x - itemWidth;\n }\n };\n};\n\nvar getLeftToRightAdapter = function getLeftToRightAdapter() {\n return {\n x: function x(_x2) {\n return _x2;\n },\n setWidth: function setWidth(w) {},\n textAlign: function textAlign(align) {\n return align;\n },\n xPlus: function xPlus(x, value) {\n return x + value;\n },\n leftForLtr: function leftForLtr(x, _itemWidth) {\n return x;\n }\n };\n};\n\nfunction getRtlAdapter(rtl, rectX, width) {\n return rtl ? getRightToLeftAdapter(rectX, width) : getLeftToRightAdapter();\n}\n\nfunction overrideTextDirection(ctx, direction) {\n var style, original;\n\n if (direction === 'ltr' || direction === 'rtl') {\n style = ctx.canvas.style;\n original = [style.getPropertyValue('direction'), style.getPropertyPriority('direction')];\n style.setProperty('direction', direction, 'important');\n ctx.prevTextDirection = original;\n }\n}\n\nfunction restoreTextDirection(ctx, original) {\n if (original !== undefined) {\n delete ctx.prevTextDirection;\n ctx.canvas.style.setProperty('direction', original[0], original[1]);\n }\n}\n\nfunction propertyFn(property) {\n if (property === 'angle') {\n return {\n between: _angleBetween,\n compare: _angleDiff,\n normalize: _normalizeAngle\n };\n }\n\n return {\n between: function between(n, s, e) {\n return n >= Math.min(s, e) && n <= Math.max(e, s);\n },\n compare: function compare(a, b) {\n return a - b;\n },\n normalize: function normalize(x) {\n return x;\n }\n };\n}\n\nfunction normalizeSegment(_ref) {\n var start = _ref.start,\n end = _ref.end,\n count = _ref.count,\n loop = _ref.loop,\n style = _ref.style;\n return {\n start: start % count,\n end: end % count,\n loop: loop && (end - start + 1) % count === 0,\n style: style\n };\n}\n\nfunction getSegment(segment, points, bounds) {\n var property = bounds.property,\n startBound = bounds.start,\n endBound = bounds.end;\n\n var _propertyFn = propertyFn(property),\n between = _propertyFn.between,\n normalize = _propertyFn.normalize;\n\n var count = points.length;\n var start = segment.start,\n end = segment.end,\n loop = segment.loop;\n var i, ilen;\n\n if (loop) {\n start += count;\n end += count;\n\n for (i = 0, ilen = count; i < ilen; ++i) {\n if (!between(normalize(points[start % count][property]), startBound, endBound)) {\n break;\n }\n\n start--;\n end--;\n }\n\n start %= count;\n end %= count;\n }\n\n if (end < start) {\n end += count;\n }\n\n return {\n start: start,\n end: end,\n loop: loop,\n style: segment.style\n };\n}\n\nfunction _boundSegment(segment, points, bounds) {\n if (!bounds) {\n return [segment];\n }\n\n var property = bounds.property,\n startBound = bounds.start,\n endBound = bounds.end;\n var count = points.length;\n\n var _propertyFn2 = propertyFn(property),\n compare = _propertyFn2.compare,\n between = _propertyFn2.between,\n normalize = _propertyFn2.normalize;\n\n var _getSegment = getSegment(segment, points, bounds),\n start = _getSegment.start,\n end = _getSegment.end,\n loop = _getSegment.loop,\n style = _getSegment.style;\n\n var result = [];\n var inside = false;\n var subStart = null;\n var value, point, prevValue;\n\n var startIsBefore = function startIsBefore() {\n return between(startBound, prevValue, value) && compare(startBound, prevValue) !== 0;\n };\n\n var endIsBefore = function endIsBefore() {\n return compare(endBound, value) === 0 || between(endBound, prevValue, value);\n };\n\n var shouldStart = function shouldStart() {\n return inside || startIsBefore();\n };\n\n var shouldStop = function shouldStop() {\n return !inside || endIsBefore();\n };\n\n for (var i = start, prev = start; i <= end; ++i) {\n point = points[i % count];\n\n if (point.skip) {\n continue;\n }\n\n value = normalize(point[property]);\n\n if (value === prevValue) {\n continue;\n }\n\n inside = between(value, startBound, endBound);\n\n if (subStart === null && shouldStart()) {\n subStart = compare(value, startBound) === 0 ? i : prev;\n }\n\n if (subStart !== null && shouldStop()) {\n result.push(normalizeSegment({\n start: subStart,\n end: i,\n loop: loop,\n count: count,\n style: style\n }));\n subStart = null;\n }\n\n prev = i;\n prevValue = value;\n }\n\n if (subStart !== null) {\n result.push(normalizeSegment({\n start: subStart,\n end: end,\n loop: loop,\n count: count,\n style: style\n }));\n }\n\n return result;\n}\n\nfunction _boundSegments(line, bounds) {\n var result = [];\n var segments = line.segments;\n\n for (var i = 0; i < segments.length; i++) {\n var sub = _boundSegment(segments[i], line.points, bounds);\n\n if (sub.length) {\n result.push.apply(result, _toConsumableArray(sub));\n }\n }\n\n return result;\n}\n\nfunction findStartAndEnd(points, count, loop, spanGaps) {\n var start = 0;\n var end = count - 1;\n\n if (loop && !spanGaps) {\n while (start < count && !points[start].skip) {\n start++;\n }\n }\n\n while (start < count && points[start].skip) {\n start++;\n }\n\n start %= count;\n\n if (loop) {\n end += start;\n }\n\n while (end > start && points[end % count].skip) {\n end--;\n }\n\n end %= count;\n return {\n start: start,\n end: end\n };\n}\n\nfunction solidSegments(points, start, max, loop) {\n var count = points.length;\n var result = [];\n var last = start;\n var prev = points[start];\n var end;\n\n for (end = start + 1; end <= max; ++end) {\n var cur = points[end % count];\n\n if (cur.skip || cur.stop) {\n if (!prev.skip) {\n loop = false;\n result.push({\n start: start % count,\n end: (end - 1) % count,\n loop: loop\n });\n start = last = cur.stop ? end : null;\n }\n } else {\n last = end;\n\n if (prev.skip) {\n start = end;\n }\n }\n\n prev = cur;\n }\n\n if (last !== null) {\n result.push({\n start: start % count,\n end: last % count,\n loop: loop\n });\n }\n\n return result;\n}\n\nfunction _computeSegments(line, segmentOptions) {\n var points = line.points;\n var spanGaps = line.options.spanGaps;\n var count = points.length;\n\n if (!count) {\n return [];\n }\n\n var loop = !!line._loop;\n\n var _findStartAndEnd = findStartAndEnd(points, count, loop, spanGaps),\n start = _findStartAndEnd.start,\n end = _findStartAndEnd.end;\n\n if (spanGaps === true) {\n return splitByStyles(line, [{\n start: start,\n end: end,\n loop: loop\n }], points, segmentOptions);\n }\n\n var max = end < start ? end + count : end;\n var completeLoop = !!line._fullLoop && start === 0 && end === count - 1;\n return splitByStyles(line, solidSegments(points, start, max, completeLoop), points, segmentOptions);\n}\n\nfunction splitByStyles(line, segments, points, segmentOptions) {\n if (!segmentOptions || !segmentOptions.setContext || !points) {\n return segments;\n }\n\n return doSplitByStyles(line, segments, points, segmentOptions);\n}\n\nfunction doSplitByStyles(line, segments, points, segmentOptions) {\n var baseStyle = readStyle(line.options);\n var count = points.length;\n var result = [];\n var start = segments[0].start;\n var i = start;\n\n var _iterator9 = _createForOfIteratorHelper(segments),\n _step9;\n\n try {\n for (_iterator9.s(); !(_step9 = _iterator9.n()).done;) {\n var segment = _step9.value;\n var prevStyle = baseStyle;\n var prev = points[start % count];\n var style = void 0;\n\n for (i = start + 1; i <= segment.end; i++) {\n var pt = points[i % count];\n style = readStyle(segmentOptions.setContext({\n type: 'segment',\n p0: prev,\n p1: pt,\n p0DataIndex: (i - 1) % count,\n p1DataIndex: i % count,\n datasetIndex: line._datasetIndex\n }));\n\n if (styleChanged(style, prevStyle)) {\n result.push({\n start: start,\n end: i - 1,\n loop: segment.loop,\n style: prevStyle\n });\n prevStyle = style;\n start = i - 1;\n }\n\n prev = pt;\n prevStyle = style;\n }\n\n if (start < i - 1) {\n result.push({\n start: start,\n end: i - 1,\n loop: segment.loop,\n style: style\n });\n start = i - 1;\n }\n }\n } catch (err) {\n _iterator9.e(err);\n } finally {\n _iterator9.f();\n }\n\n return result;\n}\n\nfunction readStyle(options) {\n return {\n backgroundColor: options.backgroundColor,\n borderCapStyle: options.borderCapStyle,\n borderDash: options.borderDash,\n borderDashOffset: options.borderDashOffset,\n borderJoinStyle: options.borderJoinStyle,\n borderWidth: options.borderWidth,\n borderColor: options.borderColor\n };\n}\n\nfunction styleChanged(style, prevStyle) {\n return prevStyle && JSON.stringify(style) !== JSON.stringify(prevStyle);\n}\n\nexport { overrides as $, toPadding as A, each as B, getMaximumSize as C, _getParentNode as D, readUsedSize as E, throttled as F, supportsEventListenerOptions as G, HALF_PI as H, _isDomSupported as I, log10 as J, _factorize as K, finiteOrDefault as L, callback as M, _addGrace as N, toDegrees as O, PI as P, _measureText as Q, _int16Range as R, _alignPixel as S, TAU as T, clipArea as U, renderText as V, unclipArea as W, toFont as X, _toLeftRightCenter as Y, _alignStartEnd as Z, _arrayUnique as _, resolve as a, merge as a0, _capitalize as a1, descriptors as a2, isFunction as a3, _attachContext as a4, _createResolver as a5, _descriptors as a6, mergeIf as a7, uid as a8, debounce as a9, _setMinAndMaxByKey as aA, niceNum as aB, almostWhole as aC, almostEquals as aD, _decimalPlaces as aE, _longestText as aF, _filterBetween as aG, _lookup as aH, getHoverColor as aI, clone$1 as aJ, _merger as aK, _mergerIf as aL, _deprecated as aM, toFontString as aN, splineCurve as aO, splineCurveMonotone as aP, getStyle as aQ, fontString as aR, toLineHeight as aS, PITAU as aT, INFINITY as aU, RAD_PER_DEG as aV, QUARTER_PI as aW, TWO_THIRDS_PI as aX, _angleDiff as aY, retinaScale as aa, clearCanvas as ab, setsEqual as ac, _elementsEqual as ad, getAngleFromPoint as ae, _readValueToProps as af, _updateBezierControlPoints as ag, _computeSegments as ah, _boundSegments as ai, _steppedInterpolation as aj, _bezierInterpolation as ak, _pointInLine as al, _steppedLineTo as am, _bezierCurveTo as an, drawPoint as ao, addRoundedRectPath as ap, toTRBL as aq, toTRBLCorners as ar, _boundSegment as as, _normalizeAngle as at, getRtlAdapter as au, overrideTextDirection as av, _textX as aw, restoreTextDirection as ax, noop as ay, distanceBetweenPoints as az, isArray as b, color as c, defaults as d, effects as e, resolveObjectKey as f, isNumberFinite as g, defined as h, isObject as i, isNullOrUndef as j, toPercentage as k, listenArrayEvents as l, toDimension as m, formatNumber as n, _angleBetween as o, isNumber as p, _limitValue as q, requestAnimFrame as r, sign as s, toRadians as t, unlistenArrayEvents as u, valueOrDefault as v, _lookupByKey as w, getRelativePosition as x, _isPointInArea as y, _rlookupByKey as z };","function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }\n\nfunction _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }\n\nfunction _get(target, property, receiver) { if (typeof Reflect !== \"undefined\" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }\n\nfunction _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }\n\nfunction _createSuper(Derived) { return function () { var Super = _getPrototypeOf(Derived), result; if (_isNativeReflectConstruct()) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }\n\nfunction _nonIterableRest() { throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _iterableToArrayLimit(arr, i) { if (typeof Symbol === \"undefined\" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"] != null) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; }\n\nfunction _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction _createForOfIteratorHelper(o) { if (typeof Symbol === \"undefined\" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (o = _unsupportedIterableToArray(o))) { var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); } var it, normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it[\"return\"] != null) it[\"return\"](); } finally { if (didErr) throw err; } } }; }\n\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nfunction _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }\n\nfunction _nonIterableSpread() { throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(n); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _iterableToArray(iter) { if (typeof Symbol !== \"undefined\" && Symbol.iterator in Object(iter)) return Array.from(iter); }\n\nfunction _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\n/*!\n * Chart.js v3.5.1\n * https://www.chartjs.org\n * (c) 2021 Chart.js Contributors\n * Released under the MIT License\n */\nimport { r as requestAnimFrame, a as resolve, e as effects, c as _color, d as defaults, i as isObject, b as isArray, v as valueOrDefault, u as unlistenArrayEvents, l as listenArrayEvents, f as resolveObjectKey, g as isNumberFinite, h as defined, s as sign, j as isNullOrUndef, _ as _arrayUnique, t as toRadians, k as toPercentage, m as toDimension, T as TAU, n as formatNumber, o as _angleBetween, H as HALF_PI, P as PI, p as isNumber, q as _limitValue, w as _lookupByKey, x as getRelativePosition$1, y as _isPointInArea, z as _rlookupByKey, A as toPadding, B as each, C as _getMaximumSize, D as _getParentNode, E as readUsedSize, F as throttled, G as supportsEventListenerOptions, I as _isDomSupported, J as log10, K as _factorize, L as finiteOrDefault, M as callback, N as _addGrace, O as toDegrees, Q as _measureText, R as _int16Range, S as _alignPixel, U as clipArea, V as renderText, W as unclipArea, X as toFont, Y as _toLeftRightCenter, Z as _alignStartEnd, $ as overrides, a0 as merge, a1 as _capitalize, a2 as descriptors, a3 as isFunction, a4 as _attachContext, a5 as _createResolver, a6 as _descriptors, a7 as mergeIf, a8 as uid, a9 as debounce, aa as retinaScale, ab as clearCanvas, ac as setsEqual, ad as _elementsEqual, ae as getAngleFromPoint, af as _readValueToProps, ag as _updateBezierControlPoints, ah as _computeSegments, ai as _boundSegments, aj as _steppedInterpolation, ak as _bezierInterpolation, al as _pointInLine, am as _steppedLineTo, an as _bezierCurveTo, ao as drawPoint, ap as addRoundedRectPath, aq as toTRBL, ar as toTRBLCorners, as as _boundSegment, at as _normalizeAngle, au as getRtlAdapter, av as overrideTextDirection, aw as _textX, ax as restoreTextDirection, ay as noop, az as distanceBetweenPoints, aA as _setMinAndMaxByKey, aB as niceNum, aC as almostWhole, aD as almostEquals, aE as _decimalPlaces, aF as _longestText, aG as _filterBetween, aH as _lookup } from './chunks/helpers.segment.js';\nexport { d as defaults } from './chunks/helpers.segment.js';\n\nvar Animator = /*#__PURE__*/function () {\n function Animator() {\n _classCallCheck(this, Animator);\n\n this._request = null;\n this._charts = new Map();\n this._running = false;\n this._lastDate = undefined;\n }\n\n _createClass(Animator, [{\n key: \"_notify\",\n value: function _notify(chart, anims, date, type) {\n var callbacks = anims.listeners[type];\n var numSteps = anims.duration;\n callbacks.forEach(function (fn) {\n return fn({\n chart: chart,\n initial: anims.initial,\n numSteps: numSteps,\n currentStep: Math.min(date - anims.start, numSteps)\n });\n });\n }\n }, {\n key: \"_refresh\",\n value: function _refresh() {\n var me = this;\n\n if (me._request) {\n return;\n }\n\n me._running = true;\n me._request = requestAnimFrame.call(window, function () {\n me._update();\n\n me._request = null;\n\n if (me._running) {\n me._refresh();\n }\n });\n }\n }, {\n key: \"_update\",\n value: function _update() {\n var date = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Date.now();\n var me = this;\n var remaining = 0;\n\n me._charts.forEach(function (anims, chart) {\n if (!anims.running || !anims.items.length) {\n return;\n }\n\n var items = anims.items;\n var i = items.length - 1;\n var draw = false;\n var item;\n\n for (; i >= 0; --i) {\n item = items[i];\n\n if (item._active) {\n if (item._total > anims.duration) {\n anims.duration = item._total;\n }\n\n item.tick(date);\n draw = true;\n } else {\n items[i] = items[items.length - 1];\n items.pop();\n }\n }\n\n if (draw) {\n chart.draw();\n\n me._notify(chart, anims, date, 'progress');\n }\n\n if (!items.length) {\n anims.running = false;\n\n me._notify(chart, anims, date, 'complete');\n\n anims.initial = false;\n }\n\n remaining += items.length;\n });\n\n me._lastDate = date;\n\n if (remaining === 0) {\n me._running = false;\n }\n }\n }, {\n key: \"_getAnims\",\n value: function _getAnims(chart) {\n var charts = this._charts;\n var anims = charts.get(chart);\n\n if (!anims) {\n anims = {\n running: false,\n initial: true,\n items: [],\n listeners: {\n complete: [],\n progress: []\n }\n };\n charts.set(chart, anims);\n }\n\n return anims;\n }\n }, {\n key: \"listen\",\n value: function listen(chart, event, cb) {\n this._getAnims(chart).listeners[event].push(cb);\n }\n }, {\n key: \"add\",\n value: function add(chart, items) {\n var _this$_getAnims$items;\n\n if (!items || !items.length) {\n return;\n }\n\n (_this$_getAnims$items = this._getAnims(chart).items).push.apply(_this$_getAnims$items, _toConsumableArray(items));\n }\n }, {\n key: \"has\",\n value: function has(chart) {\n return this._getAnims(chart).items.length > 0;\n }\n }, {\n key: \"start\",\n value: function start(chart) {\n var anims = this._charts.get(chart);\n\n if (!anims) {\n return;\n }\n\n anims.running = true;\n anims.start = Date.now();\n anims.duration = anims.items.reduce(function (acc, cur) {\n return Math.max(acc, cur._duration);\n }, 0);\n\n this._refresh();\n }\n }, {\n key: \"running\",\n value: function running(chart) {\n if (!this._running) {\n return false;\n }\n\n var anims = this._charts.get(chart);\n\n if (!anims || !anims.running || !anims.items.length) {\n return false;\n }\n\n return true;\n }\n }, {\n key: \"stop\",\n value: function stop(chart) {\n var anims = this._charts.get(chart);\n\n if (!anims || !anims.items.length) {\n return;\n }\n\n var items = anims.items;\n var i = items.length - 1;\n\n for (; i >= 0; --i) {\n items[i].cancel();\n }\n\n anims.items = [];\n\n this._notify(chart, anims, Date.now(), 'complete');\n }\n }, {\n key: \"remove\",\n value: function remove(chart) {\n return this._charts[\"delete\"](chart);\n }\n }]);\n\n return Animator;\n}();\n\nvar animator = new Animator();\nvar transparent = 'transparent';\nvar interpolators = {\n \"boolean\": function boolean(from, to, factor) {\n return factor > 0.5 ? to : from;\n },\n color: function color(from, to, factor) {\n var c0 = _color(from || transparent);\n\n var c1 = c0.valid && _color(to || transparent);\n\n return c1 && c1.valid ? c1.mix(c0, factor).hexString() : to;\n },\n number: function number(from, to, factor) {\n return from + (to - from) * factor;\n }\n};\n\nvar Animation = /*#__PURE__*/function () {\n function Animation(cfg, target, prop, to) {\n _classCallCheck(this, Animation);\n\n var currentValue = target[prop];\n to = resolve([cfg.to, to, currentValue, cfg.from]);\n var from = resolve([cfg.from, currentValue, to]);\n this._active = true;\n this._fn = cfg.fn || interpolators[cfg.type || _typeof(from)];\n this._easing = effects[cfg.easing] || effects.linear;\n this._start = Math.floor(Date.now() + (cfg.delay || 0));\n this._duration = this._total = Math.floor(cfg.duration);\n this._loop = !!cfg.loop;\n this._target = target;\n this._prop = prop;\n this._from = from;\n this._to = to;\n this._promises = undefined;\n }\n\n _createClass(Animation, [{\n key: \"active\",\n value: function active() {\n return this._active;\n }\n }, {\n key: \"update\",\n value: function update(cfg, to, date) {\n var me = this;\n\n if (me._active) {\n me._notify(false);\n\n var currentValue = me._target[me._prop];\n var elapsed = date - me._start;\n var remain = me._duration - elapsed;\n me._start = date;\n me._duration = Math.floor(Math.max(remain, cfg.duration));\n me._total += elapsed;\n me._loop = !!cfg.loop;\n me._to = resolve([cfg.to, to, currentValue, cfg.from]);\n me._from = resolve([cfg.from, currentValue, to]);\n }\n }\n }, {\n key: \"cancel\",\n value: function cancel() {\n var me = this;\n\n if (me._active) {\n me.tick(Date.now());\n me._active = false;\n\n me._notify(false);\n }\n }\n }, {\n key: \"tick\",\n value: function tick(date) {\n var me = this;\n var elapsed = date - me._start;\n var duration = me._duration;\n var prop = me._prop;\n var from = me._from;\n var loop = me._loop;\n var to = me._to;\n var factor;\n me._active = from !== to && (loop || elapsed < duration);\n\n if (!me._active) {\n me._target[prop] = to;\n\n me._notify(true);\n\n return;\n }\n\n if (elapsed < 0) {\n me._target[prop] = from;\n return;\n }\n\n factor = elapsed / duration % 2;\n factor = loop && factor > 1 ? 2 - factor : factor;\n factor = me._easing(Math.min(1, Math.max(0, factor)));\n me._target[prop] = me._fn(from, to, factor);\n }\n }, {\n key: \"wait\",\n value: function wait() {\n var promises = this._promises || (this._promises = []);\n return new Promise(function (res, rej) {\n promises.push({\n res: res,\n rej: rej\n });\n });\n }\n }, {\n key: \"_notify\",\n value: function _notify(resolved) {\n var method = resolved ? 'res' : 'rej';\n var promises = this._promises || [];\n\n for (var i = 0; i < promises.length; i++) {\n promises[i][method]();\n }\n }\n }]);\n\n return Animation;\n}();\n\nvar numbers = ['x', 'y', 'borderWidth', 'radius', 'tension'];\nvar colors = ['color', 'borderColor', 'backgroundColor'];\ndefaults.set('animation', {\n delay: undefined,\n duration: 1000,\n easing: 'easeOutQuart',\n fn: undefined,\n from: undefined,\n loop: undefined,\n to: undefined,\n type: undefined\n});\nvar animationOptions = Object.keys(defaults.animation);\ndefaults.describe('animation', {\n _fallback: false,\n _indexable: false,\n _scriptable: function _scriptable(name) {\n return name !== 'onProgress' && name !== 'onComplete' && name !== 'fn';\n }\n});\ndefaults.set('animations', {\n colors: {\n type: 'color',\n properties: colors\n },\n numbers: {\n type: 'number',\n properties: numbers\n }\n});\ndefaults.describe('animations', {\n _fallback: 'animation'\n});\ndefaults.set('transitions', {\n active: {\n animation: {\n duration: 400\n }\n },\n resize: {\n animation: {\n duration: 0\n }\n },\n show: {\n animations: {\n colors: {\n from: 'transparent'\n },\n visible: {\n type: 'boolean',\n duration: 0\n }\n }\n },\n hide: {\n animations: {\n colors: {\n to: 'transparent'\n },\n visible: {\n type: 'boolean',\n easing: 'linear',\n fn: function fn(v) {\n return v | 0;\n }\n }\n }\n }\n});\n\nvar Animations = /*#__PURE__*/function () {\n function Animations(chart, config) {\n _classCallCheck(this, Animations);\n\n this._chart = chart;\n this._properties = new Map();\n this.configure(config);\n }\n\n _createClass(Animations, [{\n key: \"configure\",\n value: function configure(config) {\n if (!isObject(config)) {\n return;\n }\n\n var animatedProps = this._properties;\n Object.getOwnPropertyNames(config).forEach(function (key) {\n var cfg = config[key];\n\n if (!isObject(cfg)) {\n return;\n }\n\n var resolved = {};\n\n var _iterator = _createForOfIteratorHelper(animationOptions),\n _step;\n\n try {\n for (_iterator.s(); !(_step = _iterator.n()).done;) {\n var option = _step.value;\n resolved[option] = cfg[option];\n }\n } catch (err) {\n _iterator.e(err);\n } finally {\n _iterator.f();\n }\n\n (isArray(cfg.properties) && cfg.properties || [key]).forEach(function (prop) {\n if (prop === key || !animatedProps.has(prop)) {\n animatedProps.set(prop, resolved);\n }\n });\n });\n }\n }, {\n key: \"_animateOptions\",\n value: function _animateOptions(target, values) {\n var newOptions = values.options;\n var options = resolveTargetOptions(target, newOptions);\n\n if (!options) {\n return [];\n }\n\n var animations = this._createAnimations(options, newOptions);\n\n if (newOptions.$shared) {\n awaitAll(target.options.$animations, newOptions).then(function () {\n target.options = newOptions;\n }, function () {});\n }\n\n return animations;\n }\n }, {\n key: \"_createAnimations\",\n value: function _createAnimations(target, values) {\n var animatedProps = this._properties;\n var animations = [];\n var running = target.$animations || (target.$animations = {});\n var props = Object.keys(values);\n var date = Date.now();\n var i;\n\n for (i = props.length - 1; i >= 0; --i) {\n var prop = props[i];\n\n if (prop.charAt(0) === '$') {\n continue;\n }\n\n if (prop === 'options') {\n animations.push.apply(animations, _toConsumableArray(this._animateOptions(target, values)));\n continue;\n }\n\n var value = values[prop];\n var animation = running[prop];\n var cfg = animatedProps.get(prop);\n\n if (animation) {\n if (cfg && animation.active()) {\n animation.update(cfg, value, date);\n continue;\n } else {\n animation.cancel();\n }\n }\n\n if (!cfg || !cfg.duration) {\n target[prop] = value;\n continue;\n }\n\n running[prop] = animation = new Animation(cfg, target, prop, value);\n animations.push(animation);\n }\n\n return animations;\n }\n }, {\n key: \"update\",\n value: function update(target, values) {\n if (this._properties.size === 0) {\n Object.assign(target, values);\n return;\n }\n\n var animations = this._createAnimations(target, values);\n\n if (animations.length) {\n animator.add(this._chart, animations);\n return true;\n }\n }\n }]);\n\n return Animations;\n}();\n\nfunction awaitAll(animations, properties) {\n var running = [];\n var keys = Object.keys(properties);\n\n for (var i = 0; i < keys.length; i++) {\n var anim = animations[keys[i]];\n\n if (anim && anim.active()) {\n running.push(anim.wait());\n }\n }\n\n return Promise.all(running);\n}\n\nfunction resolveTargetOptions(target, newOptions) {\n if (!newOptions) {\n return;\n }\n\n var options = target.options;\n\n if (!options) {\n target.options = newOptions;\n return;\n }\n\n if (options.$shared) {\n target.options = options = Object.assign({}, options, {\n $shared: false,\n $animations: {}\n });\n }\n\n return options;\n}\n\nfunction scaleClip(scale, allowedOverflow) {\n var opts = scale && scale.options || {};\n var reverse = opts.reverse;\n var min = opts.min === undefined ? allowedOverflow : 0;\n var max = opts.max === undefined ? allowedOverflow : 0;\n return {\n start: reverse ? max : min,\n end: reverse ? min : max\n };\n}\n\nfunction defaultClip(xScale, yScale, allowedOverflow) {\n if (allowedOverflow === false) {\n return false;\n }\n\n var x = scaleClip(xScale, allowedOverflow);\n var y = scaleClip(yScale, allowedOverflow);\n return {\n top: y.end,\n right: x.end,\n bottom: y.start,\n left: x.start\n };\n}\n\nfunction toClip(value) {\n var t, r, b, l;\n\n if (isObject(value)) {\n t = value.top;\n r = value.right;\n b = value.bottom;\n l = value.left;\n } else {\n t = r = b = l = value;\n }\n\n return {\n top: t,\n right: r,\n bottom: b,\n left: l,\n disabled: value === false\n };\n}\n\nfunction getSortedDatasetIndices(chart, filterVisible) {\n var keys = [];\n\n var metasets = chart._getSortedDatasetMetas(filterVisible);\n\n var i, ilen;\n\n for (i = 0, ilen = metasets.length; i < ilen; ++i) {\n keys.push(metasets[i].index);\n }\n\n return keys;\n}\n\nfunction _applyStack(stack, value, dsIndex, options) {\n var keys = stack.keys;\n var singleMode = options.mode === 'single';\n var i, ilen, datasetIndex, otherValue;\n\n if (value === null) {\n return;\n }\n\n for (i = 0, ilen = keys.length; i < ilen; ++i) {\n datasetIndex = +keys[i];\n\n if (datasetIndex === dsIndex) {\n if (options.all) {\n continue;\n }\n\n break;\n }\n\n otherValue = stack.values[datasetIndex];\n\n if (isNumberFinite(otherValue) && (singleMode || value === 0 || sign(value) === sign(otherValue))) {\n value += otherValue;\n }\n }\n\n return value;\n}\n\nfunction convertObjectDataToArray(data) {\n var keys = Object.keys(data);\n var adata = new Array(keys.length);\n var i, ilen, key;\n\n for (i = 0, ilen = keys.length; i < ilen; ++i) {\n key = keys[i];\n adata[i] = {\n x: key,\n y: data[key]\n };\n }\n\n return adata;\n}\n\nfunction isStacked(scale, meta) {\n var stacked = scale && scale.options.stacked;\n return stacked || stacked === undefined && meta.stack !== undefined;\n}\n\nfunction getStackKey(indexScale, valueScale, meta) {\n return \"\".concat(indexScale.id, \".\").concat(valueScale.id, \".\").concat(meta.stack || meta.type);\n}\n\nfunction getUserBounds(scale) {\n var _scale$getUserBounds = scale.getUserBounds(),\n min = _scale$getUserBounds.min,\n max = _scale$getUserBounds.max,\n minDefined = _scale$getUserBounds.minDefined,\n maxDefined = _scale$getUserBounds.maxDefined;\n\n return {\n min: minDefined ? min : Number.NEGATIVE_INFINITY,\n max: maxDefined ? max : Number.POSITIVE_INFINITY\n };\n}\n\nfunction getOrCreateStack(stacks, stackKey, indexValue) {\n var subStack = stacks[stackKey] || (stacks[stackKey] = {});\n return subStack[indexValue] || (subStack[indexValue] = {});\n}\n\nfunction getLastIndexInStack(stack, vScale, positive) {\n var _iterator2 = _createForOfIteratorHelper(vScale.getMatchingVisibleMetas('bar').reverse()),\n _step2;\n\n try {\n for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {\n var meta = _step2.value;\n var value = stack[meta.index];\n\n if (positive && value > 0 || !positive && value < 0) {\n return meta.index;\n }\n }\n } catch (err) {\n _iterator2.e(err);\n } finally {\n _iterator2.f();\n }\n\n return null;\n}\n\nfunction updateStacks(controller, parsed) {\n var chart = controller.chart,\n meta = controller._cachedMeta;\n var stacks = chart._stacks || (chart._stacks = {});\n var iScale = meta.iScale,\n vScale = meta.vScale,\n datasetIndex = meta.index;\n var iAxis = iScale.axis;\n var vAxis = vScale.axis;\n var key = getStackKey(iScale, vScale, meta);\n var ilen = parsed.length;\n var stack;\n\n for (var i = 0; i < ilen; ++i) {\n var item = parsed[i];\n var index = item[iAxis],\n value = item[vAxis];\n var itemStacks = item._stacks || (item._stacks = {});\n stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index);\n stack[datasetIndex] = value;\n stack._top = getLastIndexInStack(stack, vScale, true);\n stack._bottom = getLastIndexInStack(stack, vScale, false);\n }\n}\n\nfunction getFirstScaleId(chart, axis) {\n var scales = chart.scales;\n return Object.keys(scales).filter(function (key) {\n return scales[key].axis === axis;\n }).shift();\n}\n\nfunction createDatasetContext(parent, index) {\n return Object.assign(Object.create(parent), {\n active: false,\n dataset: undefined,\n datasetIndex: index,\n index: index,\n mode: 'default',\n type: 'dataset'\n });\n}\n\nfunction createDataContext(parent, index, element) {\n return Object.assign(Object.create(parent), {\n active: false,\n dataIndex: index,\n parsed: undefined,\n raw: undefined,\n element: element,\n index: index,\n mode: 'default',\n type: 'data'\n });\n}\n\nfunction clearStacks(meta, items) {\n var datasetIndex = meta.controller.index;\n var axis = meta.vScale && meta.vScale.axis;\n\n if (!axis) {\n return;\n }\n\n items = items || meta._parsed;\n\n var _iterator3 = _createForOfIteratorHelper(items),\n _step3;\n\n try {\n for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {\n var parsed = _step3.value;\n var stacks = parsed._stacks;\n\n if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) {\n return;\n }\n\n delete stacks[axis][datasetIndex];\n }\n } catch (err) {\n _iterator3.e(err);\n } finally {\n _iterator3.f();\n }\n}\n\nvar isDirectUpdateMode = function isDirectUpdateMode(mode) {\n return mode === 'reset' || mode === 'none';\n};\n\nvar cloneIfNotShared = function cloneIfNotShared(cached, shared) {\n return shared ? cached : Object.assign({}, cached);\n};\n\nvar DatasetController = /*#__PURE__*/function () {\n function DatasetController(chart, datasetIndex) {\n _classCallCheck(this, DatasetController);\n\n this.chart = chart;\n this._ctx = chart.ctx;\n this.index = datasetIndex;\n this._cachedDataOpts = {};\n this._cachedMeta = this.getMeta();\n this._type = this._cachedMeta.type;\n this.options = undefined;\n this._parsing = false;\n this._data = undefined;\n this._objectData = undefined;\n this._sharedOptions = undefined;\n this._drawStart = undefined;\n this._drawCount = undefined;\n this.enableOptionSharing = false;\n this.$context = undefined;\n this._syncList = [];\n this.initialize();\n }\n\n _createClass(DatasetController, [{\n key: \"initialize\",\n value: function initialize() {\n var me = this;\n var meta = me._cachedMeta;\n me.configure();\n me.linkScales();\n meta._stacked = isStacked(meta.vScale, meta);\n me.addElements();\n }\n }, {\n key: \"updateIndex\",\n value: function updateIndex(datasetIndex) {\n if (this.index !== datasetIndex) {\n clearStacks(this._cachedMeta);\n }\n\n this.index = datasetIndex;\n }\n }, {\n key: \"linkScales\",\n value: function linkScales() {\n var me = this;\n var chart = me.chart;\n var meta = me._cachedMeta;\n var dataset = me.getDataset();\n\n var chooseId = function chooseId(axis, x, y, r) {\n return axis === 'x' ? x : axis === 'r' ? r : y;\n };\n\n var xid = meta.xAxisID = valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x'));\n var yid = meta.yAxisID = valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y'));\n var rid = meta.rAxisID = valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r'));\n var indexAxis = meta.indexAxis;\n var iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid);\n var vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid);\n meta.xScale = me.getScaleForId(xid);\n meta.yScale = me.getScaleForId(yid);\n meta.rScale = me.getScaleForId(rid);\n meta.iScale = me.getScaleForId(iid);\n meta.vScale = me.getScaleForId(vid);\n }\n }, {\n key: \"getDataset\",\n value: function getDataset() {\n return this.chart.data.datasets[this.index];\n }\n }, {\n key: \"getMeta\",\n value: function getMeta() {\n return this.chart.getDatasetMeta(this.index);\n }\n }, {\n key: \"getScaleForId\",\n value: function getScaleForId(scaleID) {\n return this.chart.scales[scaleID];\n }\n }, {\n key: \"_getOtherScale\",\n value: function _getOtherScale(scale) {\n var meta = this._cachedMeta;\n return scale === meta.iScale ? meta.vScale : meta.iScale;\n }\n }, {\n key: \"reset\",\n value: function reset() {\n this._update('reset');\n }\n }, {\n key: \"_destroy\",\n value: function _destroy() {\n var meta = this._cachedMeta;\n\n if (this._data) {\n unlistenArrayEvents(this._data, this);\n }\n\n if (meta._stacked) {\n clearStacks(meta);\n }\n }\n }, {\n key: \"_dataCheck\",\n value: function _dataCheck() {\n var me = this;\n var dataset = me.getDataset();\n var data = dataset.data || (dataset.data = []);\n var _data = me._data;\n\n if (isObject(data)) {\n me._data = convertObjectDataToArray(data);\n } else if (_data !== data) {\n if (_data) {\n unlistenArrayEvents(_data, me);\n var meta = me._cachedMeta;\n clearStacks(meta);\n meta._parsed = [];\n }\n\n if (data && Object.isExtensible(data)) {\n listenArrayEvents(data, me);\n }\n\n me._syncList = [];\n me._data = data;\n }\n }\n }, {\n key: \"addElements\",\n value: function addElements() {\n var me = this;\n var meta = me._cachedMeta;\n\n me._dataCheck();\n\n if (me.datasetElementType) {\n meta.dataset = new me.datasetElementType();\n }\n }\n }, {\n key: \"buildOrUpdateElements\",\n value: function buildOrUpdateElements(resetNewElements) {\n var me = this;\n var meta = me._cachedMeta;\n var dataset = me.getDataset();\n var stackChanged = false;\n\n me._dataCheck();\n\n var oldStacked = meta._stacked;\n meta._stacked = isStacked(meta.vScale, meta);\n\n if (meta.stack !== dataset.stack) {\n stackChanged = true;\n clearStacks(meta);\n meta.stack = dataset.stack;\n }\n\n me._resyncElements(resetNewElements);\n\n if (stackChanged || oldStacked !== meta._stacked) {\n updateStacks(me, meta._parsed);\n }\n }\n }, {\n key: \"configure\",\n value: function configure() {\n var me = this;\n var config = me.chart.config;\n var scopeKeys = config.datasetScopeKeys(me._type);\n var scopes = config.getOptionScopes(me.getDataset(), scopeKeys, true);\n me.options = config.createResolver(scopes, me.getContext());\n me._parsing = me.options.parsing;\n }\n }, {\n key: \"parse\",\n value: function parse(start, count) {\n var me = this;\n var meta = me._cachedMeta,\n data = me._data;\n var iScale = meta.iScale,\n _stacked = meta._stacked;\n var iAxis = iScale.axis;\n var sorted = start === 0 && count === data.length ? true : meta._sorted;\n var prev = start > 0 && meta._parsed[start - 1];\n var i, cur, parsed;\n\n if (me._parsing === false) {\n meta._parsed = data;\n meta._sorted = true;\n parsed = data;\n } else {\n if (isArray(data[start])) {\n parsed = me.parseArrayData(meta, data, start, count);\n } else if (isObject(data[start])) {\n parsed = me.parseObjectData(meta, data, start, count);\n } else {\n parsed = me.parsePrimitiveData(meta, data, start, count);\n }\n\n var isNotInOrderComparedToPrev = function isNotInOrderComparedToPrev() {\n return cur[iAxis] === null || prev && cur[iAxis] < prev[iAxis];\n };\n\n for (i = 0; i < count; ++i) {\n meta._parsed[i + start] = cur = parsed[i];\n\n if (sorted) {\n if (isNotInOrderComparedToPrev()) {\n sorted = false;\n }\n\n prev = cur;\n }\n }\n\n meta._sorted = sorted;\n }\n\n if (_stacked) {\n updateStacks(me, parsed);\n }\n }\n }, {\n key: \"parsePrimitiveData\",\n value: function parsePrimitiveData(meta, data, start, count) {\n var iScale = meta.iScale,\n vScale = meta.vScale;\n var iAxis = iScale.axis;\n var vAxis = vScale.axis;\n var labels = iScale.getLabels();\n var singleScale = iScale === vScale;\n var parsed = new Array(count);\n var i, ilen, index;\n\n for (i = 0, ilen = count; i < ilen; ++i) {\n var _parsed$i;\n\n index = i + start;\n parsed[i] = (_parsed$i = {}, _defineProperty(_parsed$i, iAxis, singleScale || iScale.parse(labels[index], index)), _defineProperty(_parsed$i, vAxis, vScale.parse(data[index], index)), _parsed$i);\n }\n\n return parsed;\n }\n }, {\n key: \"parseArrayData\",\n value: function parseArrayData(meta, data, start, count) {\n var xScale = meta.xScale,\n yScale = meta.yScale;\n var parsed = new Array(count);\n var i, ilen, index, item;\n\n for (i = 0, ilen = count; i < ilen; ++i) {\n index = i + start;\n item = data[index];\n parsed[i] = {\n x: xScale.parse(item[0], index),\n y: yScale.parse(item[1], index)\n };\n }\n\n return parsed;\n }\n }, {\n key: \"parseObjectData\",\n value: function parseObjectData(meta, data, start, count) {\n var xScale = meta.xScale,\n yScale = meta.yScale;\n var _this$_parsing = this._parsing,\n _this$_parsing$xAxisK = _this$_parsing.xAxisKey,\n xAxisKey = _this$_parsing$xAxisK === void 0 ? 'x' : _this$_parsing$xAxisK,\n _this$_parsing$yAxisK = _this$_parsing.yAxisKey,\n yAxisKey = _this$_parsing$yAxisK === void 0 ? 'y' : _this$_parsing$yAxisK;\n var parsed = new Array(count);\n var i, ilen, index, item;\n\n for (i = 0, ilen = count; i < ilen; ++i) {\n index = i + start;\n item = data[index];\n parsed[i] = {\n x: xScale.parse(resolveObjectKey(item, xAxisKey), index),\n y: yScale.parse(resolveObjectKey(item, yAxisKey), index)\n };\n }\n\n return parsed;\n }\n }, {\n key: \"getParsed\",\n value: function getParsed(index) {\n return this._cachedMeta._parsed[index];\n }\n }, {\n key: \"getDataElement\",\n value: function getDataElement(index) {\n return this._cachedMeta.data[index];\n }\n }, {\n key: \"applyStack\",\n value: function applyStack(scale, parsed, mode) {\n var chart = this.chart;\n var meta = this._cachedMeta;\n var value = parsed[scale.axis];\n var stack = {\n keys: getSortedDatasetIndices(chart, true),\n values: parsed._stacks[scale.axis]\n };\n return _applyStack(stack, value, meta.index, {\n mode: mode\n });\n }\n }, {\n key: \"updateRangeFromParsed\",\n value: function updateRangeFromParsed(range, scale, parsed, stack) {\n var parsedValue = parsed[scale.axis];\n var value = parsedValue === null ? NaN : parsedValue;\n var values = stack && parsed._stacks[scale.axis];\n\n if (stack && values) {\n stack.values = values;\n range.min = Math.min(range.min, value);\n range.max = Math.max(range.max, value);\n value = _applyStack(stack, parsedValue, this._cachedMeta.index, {\n all: true\n });\n }\n\n range.min = Math.min(range.min, value);\n range.max = Math.max(range.max, value);\n }\n }, {\n key: \"getMinMax\",\n value: function getMinMax(scale, canStack) {\n var me = this;\n var meta = me._cachedMeta;\n var _parsed = meta._parsed;\n var sorted = meta._sorted && scale === meta.iScale;\n var ilen = _parsed.length;\n\n var otherScale = me._getOtherScale(scale);\n\n var stack = canStack && meta._stacked && {\n keys: getSortedDatasetIndices(me.chart, true),\n values: null\n };\n var range = {\n min: Number.POSITIVE_INFINITY,\n max: Number.NEGATIVE_INFINITY\n };\n\n var _getUserBounds = getUserBounds(otherScale),\n otherMin = _getUserBounds.min,\n otherMax = _getUserBounds.max;\n\n var i, value, parsed, otherValue;\n\n function _skip() {\n parsed = _parsed[i];\n value = parsed[scale.axis];\n otherValue = parsed[otherScale.axis];\n return !isNumberFinite(value) || otherMin > otherValue || otherMax < otherValue;\n }\n\n for (i = 0; i < ilen; ++i) {\n if (_skip()) {\n continue;\n }\n\n me.updateRangeFromParsed(range, scale, parsed, stack);\n\n if (sorted) {\n break;\n }\n }\n\n if (sorted) {\n for (i = ilen - 1; i >= 0; --i) {\n if (_skip()) {\n continue;\n }\n\n me.updateRangeFromParsed(range, scale, parsed, stack);\n break;\n }\n }\n\n return range;\n }\n }, {\n key: \"getAllParsedValues\",\n value: function getAllParsedValues(scale) {\n var parsed = this._cachedMeta._parsed;\n var values = [];\n var i, ilen, value;\n\n for (i = 0, ilen = parsed.length; i < ilen; ++i) {\n value = parsed[i][scale.axis];\n\n if (isNumberFinite(value)) {\n values.push(value);\n }\n }\n\n return values;\n }\n }, {\n key: \"getMaxOverflow\",\n value: function getMaxOverflow() {\n return false;\n }\n }, {\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var me = this;\n var meta = me._cachedMeta;\n var iScale = meta.iScale;\n var vScale = meta.vScale;\n var parsed = me.getParsed(index);\n return {\n label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '',\n value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : ''\n };\n }\n }, {\n key: \"_update\",\n value: function _update(mode) {\n var me = this;\n var meta = me._cachedMeta;\n me.configure();\n me._cachedDataOpts = {};\n me.update(mode || 'default');\n meta._clip = toClip(valueOrDefault(me.options.clip, defaultClip(meta.xScale, meta.yScale, me.getMaxOverflow())));\n }\n }, {\n key: \"update\",\n value: function update(mode) {}\n }, {\n key: \"draw\",\n value: function draw() {\n var me = this;\n var ctx = me._ctx;\n var chart = me.chart;\n var meta = me._cachedMeta;\n var elements = meta.data || [];\n var area = chart.chartArea;\n var active = [];\n var start = me._drawStart || 0;\n var count = me._drawCount || elements.length - start;\n var i;\n\n if (meta.dataset) {\n meta.dataset.draw(ctx, area, start, count);\n }\n\n for (i = start; i < start + count; ++i) {\n var element = elements[i];\n\n if (element.hidden) {\n continue;\n }\n\n if (element.active) {\n active.push(element);\n } else {\n element.draw(ctx, area);\n }\n }\n\n for (i = 0; i < active.length; ++i) {\n active[i].draw(ctx, area);\n }\n }\n }, {\n key: \"getStyle\",\n value: function getStyle(index, active) {\n var mode = active ? 'active' : 'default';\n return index === undefined && this._cachedMeta.dataset ? this.resolveDatasetElementOptions(mode) : this.resolveDataElementOptions(index || 0, mode);\n }\n }, {\n key: \"getContext\",\n value: function getContext(index, active, mode) {\n var me = this;\n var dataset = me.getDataset();\n var context;\n\n if (index >= 0 && index < me._cachedMeta.data.length) {\n var element = me._cachedMeta.data[index];\n context = element.$context || (element.$context = createDataContext(me.getContext(), index, element));\n context.parsed = me.getParsed(index);\n context.raw = dataset.data[index];\n context.index = context.dataIndex = index;\n } else {\n context = me.$context || (me.$context = createDatasetContext(me.chart.getContext(), me.index));\n context.dataset = dataset;\n context.index = context.datasetIndex = me.index;\n }\n\n context.active = !!active;\n context.mode = mode;\n return context;\n }\n }, {\n key: \"resolveDatasetElementOptions\",\n value: function resolveDatasetElementOptions(mode) {\n return this._resolveElementOptions(this.datasetElementType.id, mode);\n }\n }, {\n key: \"resolveDataElementOptions\",\n value: function resolveDataElementOptions(index, mode) {\n return this._resolveElementOptions(this.dataElementType.id, mode, index);\n }\n }, {\n key: \"_resolveElementOptions\",\n value: function _resolveElementOptions(elementType) {\n var mode = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'default';\n var index = arguments.length > 2 ? arguments[2] : undefined;\n var me = this;\n var active = mode === 'active';\n var cache = me._cachedDataOpts;\n var cacheKey = elementType + '-' + mode;\n var cached = cache[cacheKey];\n var sharing = me.enableOptionSharing && defined(index);\n\n if (cached) {\n return cloneIfNotShared(cached, sharing);\n }\n\n var config = me.chart.config;\n var scopeKeys = config.datasetElementScopeKeys(me._type, elementType);\n var prefixes = active ? [\"\".concat(elementType, \"Hover\"), 'hover', elementType, ''] : [elementType, ''];\n var scopes = config.getOptionScopes(me.getDataset(), scopeKeys);\n var names = Object.keys(defaults.elements[elementType]);\n\n var context = function context() {\n return me.getContext(index, active);\n };\n\n var values = config.resolveNamedOptions(scopes, names, context, prefixes);\n\n if (values.$shared) {\n values.$shared = sharing;\n cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing));\n }\n\n return values;\n }\n }, {\n key: \"_resolveAnimations\",\n value: function _resolveAnimations(index, transition, active) {\n var me = this;\n var chart = me.chart;\n var cache = me._cachedDataOpts;\n var cacheKey = \"animation-\".concat(transition);\n var cached = cache[cacheKey];\n\n if (cached) {\n return cached;\n }\n\n var options;\n\n if (chart.options.animation !== false) {\n var config = me.chart.config;\n var scopeKeys = config.datasetAnimationScopeKeys(me._type, transition);\n var scopes = config.getOptionScopes(me.getDataset(), scopeKeys);\n options = config.createResolver(scopes, me.getContext(index, active, transition));\n }\n\n var animations = new Animations(chart, options && options.animations);\n\n if (options && options._cacheable) {\n cache[cacheKey] = Object.freeze(animations);\n }\n\n return animations;\n }\n }, {\n key: \"getSharedOptions\",\n value: function getSharedOptions(options) {\n if (!options.$shared) {\n return;\n }\n\n return this._sharedOptions || (this._sharedOptions = Object.assign({}, options));\n }\n }, {\n key: \"includeOptions\",\n value: function includeOptions(mode, sharedOptions) {\n return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled;\n }\n }, {\n key: \"updateElement\",\n value: function updateElement(element, index, properties, mode) {\n if (isDirectUpdateMode(mode)) {\n Object.assign(element, properties);\n } else {\n this._resolveAnimations(index, mode).update(element, properties);\n }\n }\n }, {\n key: \"updateSharedOptions\",\n value: function updateSharedOptions(sharedOptions, mode, newOptions) {\n if (sharedOptions && !isDirectUpdateMode(mode)) {\n this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions);\n }\n }\n }, {\n key: \"_setStyle\",\n value: function _setStyle(element, index, mode, active) {\n element.active = active;\n var options = this.getStyle(index, active);\n\n this._resolveAnimations(index, mode, active).update(element, {\n options: !active && this.getSharedOptions(options) || options\n });\n }\n }, {\n key: \"removeHoverStyle\",\n value: function removeHoverStyle(element, datasetIndex, index) {\n this._setStyle(element, index, 'active', false);\n }\n }, {\n key: \"setHoverStyle\",\n value: function setHoverStyle(element, datasetIndex, index) {\n this._setStyle(element, index, 'active', true);\n }\n }, {\n key: \"_removeDatasetHoverStyle\",\n value: function _removeDatasetHoverStyle() {\n var element = this._cachedMeta.dataset;\n\n if (element) {\n this._setStyle(element, undefined, 'active', false);\n }\n }\n }, {\n key: \"_setDatasetHoverStyle\",\n value: function _setDatasetHoverStyle() {\n var element = this._cachedMeta.dataset;\n\n if (element) {\n this._setStyle(element, undefined, 'active', true);\n }\n }\n }, {\n key: \"_resyncElements\",\n value: function _resyncElements(resetNewElements) {\n var me = this;\n var data = me._data;\n var elements = me._cachedMeta.data;\n\n var _iterator4 = _createForOfIteratorHelper(me._syncList),\n _step4;\n\n try {\n for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {\n var _ref3 = _step4.value;\n\n var _ref2 = _slicedToArray(_ref3, 3);\n\n var method = _ref2[0];\n var arg1 = _ref2[1];\n var arg2 = _ref2[2];\n me[method](arg1, arg2);\n }\n } catch (err) {\n _iterator4.e(err);\n } finally {\n _iterator4.f();\n }\n\n me._syncList = [];\n var numMeta = elements.length;\n var numData = data.length;\n var count = Math.min(numData, numMeta);\n\n if (count) {\n me.parse(0, count);\n }\n\n if (numData > numMeta) {\n me._insertElements(numMeta, numData - numMeta, resetNewElements);\n } else if (numData < numMeta) {\n me._removeElements(numData, numMeta - numData);\n }\n }\n }, {\n key: \"_insertElements\",\n value: function _insertElements(start, count) {\n var resetNewElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;\n var me = this;\n var meta = me._cachedMeta;\n var data = meta.data;\n var end = start + count;\n var i;\n\n var move = function move(arr) {\n arr.length += count;\n\n for (i = arr.length - 1; i >= end; i--) {\n arr[i] = arr[i - count];\n }\n };\n\n move(data);\n\n for (i = start; i < end; ++i) {\n data[i] = new me.dataElementType();\n }\n\n if (me._parsing) {\n move(meta._parsed);\n }\n\n me.parse(start, count);\n\n if (resetNewElements) {\n me.updateElements(data, start, count, 'reset');\n }\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(element, start, count, mode) {}\n }, {\n key: \"_removeElements\",\n value: function _removeElements(start, count) {\n var me = this;\n var meta = me._cachedMeta;\n\n if (me._parsing) {\n var removed = meta._parsed.splice(start, count);\n\n if (meta._stacked) {\n clearStacks(meta, removed);\n }\n }\n\n meta.data.splice(start, count);\n }\n }, {\n key: \"_sync\",\n value: function _sync(args) {\n if (this._parsing) {\n this._syncList.push(args);\n } else {\n var _args = _slicedToArray(args, 3),\n method = _args[0],\n arg1 = _args[1],\n arg2 = _args[2];\n\n this[method](arg1, arg2);\n }\n }\n }, {\n key: \"_onDataPush\",\n value: function _onDataPush() {\n var count = arguments.length;\n\n this._sync(['_insertElements', this.getDataset().data.length - count, count]);\n }\n }, {\n key: \"_onDataPop\",\n value: function _onDataPop() {\n this._sync(['_removeElements', this._cachedMeta.data.length - 1, 1]);\n }\n }, {\n key: \"_onDataShift\",\n value: function _onDataShift() {\n this._sync(['_removeElements', 0, 1]);\n }\n }, {\n key: \"_onDataSplice\",\n value: function _onDataSplice(start, count) {\n this._sync(['_removeElements', start, count]);\n\n this._sync(['_insertElements', start, arguments.length - 2]);\n }\n }, {\n key: \"_onDataUnshift\",\n value: function _onDataUnshift() {\n this._sync(['_insertElements', 0, arguments.length]);\n }\n }]);\n\n return DatasetController;\n}();\n\nDatasetController.defaults = {};\nDatasetController.prototype.datasetElementType = null;\nDatasetController.prototype.dataElementType = null;\n\nfunction getAllScaleValues(scale) {\n if (!scale._cache.$bar) {\n var metas = scale.getMatchingVisibleMetas('bar');\n var values = [];\n\n for (var i = 0, ilen = metas.length; i < ilen; i++) {\n values = values.concat(metas[i].controller.getAllParsedValues(scale));\n }\n\n scale._cache.$bar = _arrayUnique(values.sort(function (a, b) {\n return a - b;\n }));\n }\n\n return scale._cache.$bar;\n}\n\nfunction computeMinSampleSize(scale) {\n var values = getAllScaleValues(scale);\n var min = scale._length;\n var i, ilen, curr, prev;\n\n var updateMinAndPrev = function updateMinAndPrev() {\n if (curr === 32767 || curr === -32768) {\n return;\n }\n\n if (defined(prev)) {\n min = Math.min(min, Math.abs(curr - prev) || min);\n }\n\n prev = curr;\n };\n\n for (i = 0, ilen = values.length; i < ilen; ++i) {\n curr = scale.getPixelForValue(values[i]);\n updateMinAndPrev();\n }\n\n prev = undefined;\n\n for (i = 0, ilen = scale.ticks.length; i < ilen; ++i) {\n curr = scale.getPixelForTick(i);\n updateMinAndPrev();\n }\n\n return min;\n}\n\nfunction computeFitCategoryTraits(index, ruler, options, stackCount) {\n var thickness = options.barThickness;\n var size, ratio;\n\n if (isNullOrUndef(thickness)) {\n size = ruler.min * options.categoryPercentage;\n ratio = options.barPercentage;\n } else {\n size = thickness * stackCount;\n ratio = 1;\n }\n\n return {\n chunk: size / stackCount,\n ratio: ratio,\n start: ruler.pixels[index] - size / 2\n };\n}\n\nfunction computeFlexCategoryTraits(index, ruler, options, stackCount) {\n var pixels = ruler.pixels;\n var curr = pixels[index];\n var prev = index > 0 ? pixels[index - 1] : null;\n var next = index < pixels.length - 1 ? pixels[index + 1] : null;\n var percent = options.categoryPercentage;\n\n if (prev === null) {\n prev = curr - (next === null ? ruler.end - ruler.start : next - curr);\n }\n\n if (next === null) {\n next = curr + curr - prev;\n }\n\n var start = curr - (curr - Math.min(prev, next)) / 2 * percent;\n var size = Math.abs(next - prev) / 2 * percent;\n return {\n chunk: size / stackCount,\n ratio: options.barPercentage,\n start: start\n };\n}\n\nfunction parseFloatBar(entry, item, vScale, i) {\n var startValue = vScale.parse(entry[0], i);\n var endValue = vScale.parse(entry[1], i);\n var min = Math.min(startValue, endValue);\n var max = Math.max(startValue, endValue);\n var barStart = min;\n var barEnd = max;\n\n if (Math.abs(min) > Math.abs(max)) {\n barStart = max;\n barEnd = min;\n }\n\n item[vScale.axis] = barEnd;\n item._custom = {\n barStart: barStart,\n barEnd: barEnd,\n start: startValue,\n end: endValue,\n min: min,\n max: max\n };\n}\n\nfunction parseValue(entry, item, vScale, i) {\n if (isArray(entry)) {\n parseFloatBar(entry, item, vScale, i);\n } else {\n item[vScale.axis] = vScale.parse(entry, i);\n }\n\n return item;\n}\n\nfunction parseArrayOrPrimitive(meta, data, start, count) {\n var iScale = meta.iScale;\n var vScale = meta.vScale;\n var labels = iScale.getLabels();\n var singleScale = iScale === vScale;\n var parsed = [];\n var i, ilen, item, entry;\n\n for (i = start, ilen = start + count; i < ilen; ++i) {\n entry = data[i];\n item = {};\n item[iScale.axis] = singleScale || iScale.parse(labels[i], i);\n parsed.push(parseValue(entry, item, vScale, i));\n }\n\n return parsed;\n}\n\nfunction isFloatBar(custom) {\n return custom && custom.barStart !== undefined && custom.barEnd !== undefined;\n}\n\nfunction barSign(size, vScale, actualBase) {\n if (size !== 0) {\n return sign(size);\n }\n\n return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1);\n}\n\nfunction borderProps(properties) {\n var reverse, start, end, top, bottom;\n\n if (properties.horizontal) {\n reverse = properties.base > properties.x;\n start = 'left';\n end = 'right';\n } else {\n reverse = properties.base < properties.y;\n start = 'bottom';\n end = 'top';\n }\n\n if (reverse) {\n top = 'end';\n bottom = 'start';\n } else {\n top = 'start';\n bottom = 'end';\n }\n\n return {\n start: start,\n end: end,\n reverse: reverse,\n top: top,\n bottom: bottom\n };\n}\n\nfunction setBorderSkipped(properties, options, stack, index) {\n var edge = options.borderSkipped;\n var res = {};\n\n if (!edge) {\n properties.borderSkipped = res;\n return;\n }\n\n var _borderProps = borderProps(properties),\n start = _borderProps.start,\n end = _borderProps.end,\n reverse = _borderProps.reverse,\n top = _borderProps.top,\n bottom = _borderProps.bottom;\n\n if (edge === 'middle' && stack) {\n properties.enableBorderRadius = true;\n\n if ((stack._top || 0) === index) {\n edge = top;\n } else if ((stack._bottom || 0) === index) {\n edge = bottom;\n } else {\n res[parseEdge(bottom, start, end, reverse)] = true;\n edge = top;\n }\n }\n\n res[parseEdge(edge, start, end, reverse)] = true;\n properties.borderSkipped = res;\n}\n\nfunction parseEdge(edge, a, b, reverse) {\n if (reverse) {\n edge = swap(edge, a, b);\n edge = startEnd(edge, b, a);\n } else {\n edge = startEnd(edge, a, b);\n }\n\n return edge;\n}\n\nfunction swap(orig, v1, v2) {\n return orig === v1 ? v2 : orig === v2 ? v1 : orig;\n}\n\nfunction startEnd(v, start, end) {\n return v === 'start' ? start : v === 'end' ? end : v;\n}\n\nvar BarController = /*#__PURE__*/function (_DatasetController) {\n _inherits(BarController, _DatasetController);\n\n var _super = _createSuper(BarController);\n\n function BarController() {\n _classCallCheck(this, BarController);\n\n return _super.apply(this, arguments);\n }\n\n _createClass(BarController, [{\n key: \"parsePrimitiveData\",\n value: function parsePrimitiveData(meta, data, start, count) {\n return parseArrayOrPrimitive(meta, data, start, count);\n }\n }, {\n key: \"parseArrayData\",\n value: function parseArrayData(meta, data, start, count) {\n return parseArrayOrPrimitive(meta, data, start, count);\n }\n }, {\n key: \"parseObjectData\",\n value: function parseObjectData(meta, data, start, count) {\n var iScale = meta.iScale,\n vScale = meta.vScale;\n var _this$_parsing2 = this._parsing,\n _this$_parsing2$xAxis = _this$_parsing2.xAxisKey,\n xAxisKey = _this$_parsing2$xAxis === void 0 ? 'x' : _this$_parsing2$xAxis,\n _this$_parsing2$yAxis = _this$_parsing2.yAxisKey,\n yAxisKey = _this$_parsing2$yAxis === void 0 ? 'y' : _this$_parsing2$yAxis;\n var iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey;\n var vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey;\n var parsed = [];\n var i, ilen, item, obj;\n\n for (i = start, ilen = start + count; i < ilen; ++i) {\n obj = data[i];\n item = {};\n item[iScale.axis] = iScale.parse(resolveObjectKey(obj, iAxisKey), i);\n parsed.push(parseValue(resolveObjectKey(obj, vAxisKey), item, vScale, i));\n }\n\n return parsed;\n }\n }, {\n key: \"updateRangeFromParsed\",\n value: function updateRangeFromParsed(range, scale, parsed, stack) {\n _get(_getPrototypeOf(BarController.prototype), \"updateRangeFromParsed\", this).call(this, range, scale, parsed, stack);\n\n var custom = parsed._custom;\n\n if (custom && scale === this._cachedMeta.vScale) {\n range.min = Math.min(range.min, custom.min);\n range.max = Math.max(range.max, custom.max);\n }\n }\n }, {\n key: \"getMaxOverflow\",\n value: function getMaxOverflow() {\n return 0;\n }\n }, {\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var me = this;\n var meta = me._cachedMeta;\n var iScale = meta.iScale,\n vScale = meta.vScale;\n var parsed = me.getParsed(index);\n var custom = parsed._custom;\n var value = isFloatBar(custom) ? '[' + custom.start + ', ' + custom.end + ']' : '' + vScale.getLabelForValue(parsed[vScale.axis]);\n return {\n label: '' + iScale.getLabelForValue(parsed[iScale.axis]),\n value: value\n };\n }\n }, {\n key: \"initialize\",\n value: function initialize() {\n var me = this;\n me.enableOptionSharing = true;\n\n _get(_getPrototypeOf(BarController.prototype), \"initialize\", this).call(this);\n\n var meta = me._cachedMeta;\n meta.stack = me.getDataset().stack;\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var me = this;\n var meta = me._cachedMeta;\n me.updateElements(meta.data, 0, meta.data.length, mode);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(bars, start, count, mode) {\n var me = this;\n var reset = mode === 'reset';\n var index = me.index,\n vScale = me._cachedMeta.vScale;\n var base = vScale.getBasePixel();\n var horizontal = vScale.isHorizontal();\n\n var ruler = me._getRuler();\n\n var firstOpts = me.resolveDataElementOptions(start, mode);\n var sharedOptions = me.getSharedOptions(firstOpts);\n var includeOptions = me.includeOptions(mode, sharedOptions);\n me.updateSharedOptions(sharedOptions, mode, firstOpts);\n\n for (var i = start; i < start + count; i++) {\n var parsed = me.getParsed(i);\n var vpixels = reset || isNullOrUndef(parsed[vScale.axis]) ? {\n base: base,\n head: base\n } : me._calculateBarValuePixels(i);\n\n var ipixels = me._calculateBarIndexPixels(i, ruler);\n\n var stack = (parsed._stacks || {})[vScale.axis];\n var properties = {\n horizontal: horizontal,\n base: vpixels.base,\n enableBorderRadius: !stack || isFloatBar(parsed._custom) || index === stack._top || index === stack._bottom,\n x: horizontal ? vpixels.head : ipixels.center,\n y: horizontal ? ipixels.center : vpixels.head,\n height: horizontal ? ipixels.size : Math.abs(vpixels.size),\n width: horizontal ? Math.abs(vpixels.size) : ipixels.size\n };\n\n if (includeOptions) {\n properties.options = sharedOptions || me.resolveDataElementOptions(i, bars[i].active ? 'active' : mode);\n }\n\n setBorderSkipped(properties, properties.options || bars[i].options, stack, index);\n me.updateElement(bars[i], i, properties, mode);\n }\n }\n }, {\n key: \"_getStacks\",\n value: function _getStacks(last, dataIndex) {\n var me = this;\n var meta = me._cachedMeta;\n var iScale = meta.iScale;\n var metasets = iScale.getMatchingVisibleMetas(me._type);\n var stacked = iScale.options.stacked;\n var ilen = metasets.length;\n var stacks = [];\n var i, item;\n\n for (i = 0; i < ilen; ++i) {\n item = metasets[i];\n\n if (!item.controller.options.grouped) {\n continue;\n }\n\n if (typeof dataIndex !== 'undefined') {\n var val = item.controller.getParsed(dataIndex)[item.controller._cachedMeta.vScale.axis];\n\n if (isNullOrUndef(val) || isNaN(val)) {\n continue;\n }\n }\n\n if (stacked === false || stacks.indexOf(item.stack) === -1 || stacked === undefined && item.stack === undefined) {\n stacks.push(item.stack);\n }\n\n if (item.index === last) {\n break;\n }\n }\n\n if (!stacks.length) {\n stacks.push(undefined);\n }\n\n return stacks;\n }\n }, {\n key: \"_getStackCount\",\n value: function _getStackCount(index) {\n return this._getStacks(undefined, index).length;\n }\n }, {\n key: \"_getStackIndex\",\n value: function _getStackIndex(datasetIndex, name, dataIndex) {\n var stacks = this._getStacks(datasetIndex, dataIndex);\n\n var index = name !== undefined ? stacks.indexOf(name) : -1;\n return index === -1 ? stacks.length - 1 : index;\n }\n }, {\n key: \"_getRuler\",\n value: function _getRuler() {\n var me = this;\n var opts = me.options;\n var meta = me._cachedMeta;\n var iScale = meta.iScale;\n var pixels = [];\n var i, ilen;\n\n for (i = 0, ilen = meta.data.length; i < ilen; ++i) {\n pixels.push(iScale.getPixelForValue(me.getParsed(i)[iScale.axis], i));\n }\n\n var barThickness = opts.barThickness;\n var min = barThickness || computeMinSampleSize(iScale);\n return {\n min: min,\n pixels: pixels,\n start: iScale._startPixel,\n end: iScale._endPixel,\n stackCount: me._getStackCount(),\n scale: iScale,\n grouped: opts.grouped,\n ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage\n };\n }\n }, {\n key: \"_calculateBarValuePixels\",\n value: function _calculateBarValuePixels(index) {\n var me = this;\n var _me$_cachedMeta = me._cachedMeta,\n vScale = _me$_cachedMeta.vScale,\n _stacked = _me$_cachedMeta._stacked,\n _me$options = me.options,\n baseValue = _me$options.base,\n minBarLength = _me$options.minBarLength;\n var actualBase = baseValue || 0;\n var parsed = me.getParsed(index);\n var custom = parsed._custom;\n var floating = isFloatBar(custom);\n var value = parsed[vScale.axis];\n var start = 0;\n var length = _stacked ? me.applyStack(vScale, parsed, _stacked) : value;\n var head, size;\n\n if (length !== value) {\n start = length - value;\n length = value;\n }\n\n if (floating) {\n value = custom.barStart;\n length = custom.barEnd - custom.barStart;\n\n if (value !== 0 && sign(value) !== sign(custom.barEnd)) {\n start = 0;\n }\n\n start += value;\n }\n\n var startValue = !isNullOrUndef(baseValue) && !floating ? baseValue : start;\n var base = vScale.getPixelForValue(startValue);\n\n if (me.chart.getDataVisibility(index)) {\n head = vScale.getPixelForValue(start + length);\n } else {\n head = base;\n }\n\n size = head - base;\n\n if (Math.abs(size) < minBarLength) {\n size = barSign(size, vScale, actualBase) * minBarLength;\n\n if (value === actualBase) {\n base -= size / 2;\n }\n\n head = base + size;\n }\n\n if (base === vScale.getPixelForValue(actualBase)) {\n var halfGrid = sign(size) * vScale.getLineWidthForValue(actualBase) / 2;\n base += halfGrid;\n size -= halfGrid;\n }\n\n return {\n size: size,\n base: base,\n head: head,\n center: head + size / 2\n };\n }\n }, {\n key: \"_calculateBarIndexPixels\",\n value: function _calculateBarIndexPixels(index, ruler) {\n var me = this;\n var scale = ruler.scale;\n var options = me.options;\n var skipNull = options.skipNull;\n var maxBarThickness = valueOrDefault(options.maxBarThickness, Infinity);\n var center, size;\n\n if (ruler.grouped) {\n var stackCount = skipNull ? me._getStackCount(index) : ruler.stackCount;\n var range = options.barThickness === 'flex' ? computeFlexCategoryTraits(index, ruler, options, stackCount) : computeFitCategoryTraits(index, ruler, options, stackCount);\n\n var stackIndex = me._getStackIndex(me.index, me._cachedMeta.stack, skipNull ? index : undefined);\n\n center = range.start + range.chunk * stackIndex + range.chunk / 2;\n size = Math.min(maxBarThickness, range.chunk * range.ratio);\n } else {\n center = scale.getPixelForValue(me.getParsed(index)[scale.axis], index);\n size = Math.min(maxBarThickness, ruler.min * ruler.ratio);\n }\n\n return {\n base: center - size / 2,\n head: center + size / 2,\n center: center,\n size: size\n };\n }\n }, {\n key: \"draw\",\n value: function draw() {\n var me = this;\n var meta = me._cachedMeta;\n var vScale = meta.vScale;\n var rects = meta.data;\n var ilen = rects.length;\n var i = 0;\n\n for (; i < ilen; ++i) {\n if (me.getParsed(i)[vScale.axis] !== null) {\n rects[i].draw(me._ctx);\n }\n }\n }\n }]);\n\n return BarController;\n}(DatasetController);\n\nBarController.id = 'bar';\nBarController.defaults = {\n datasetElementType: false,\n dataElementType: 'bar',\n categoryPercentage: 0.8,\n barPercentage: 0.9,\n grouped: true,\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'base', 'width', 'height']\n }\n }\n};\nBarController.overrides = {\n scales: {\n _index_: {\n type: 'category',\n offset: true,\n grid: {\n offset: true\n }\n },\n _value_: {\n type: 'linear',\n beginAtZero: true\n }\n }\n};\n\nvar BubbleController = /*#__PURE__*/function (_DatasetController2) {\n _inherits(BubbleController, _DatasetController2);\n\n var _super2 = _createSuper(BubbleController);\n\n function BubbleController() {\n _classCallCheck(this, BubbleController);\n\n return _super2.apply(this, arguments);\n }\n\n _createClass(BubbleController, [{\n key: \"initialize\",\n value: function initialize() {\n this.enableOptionSharing = true;\n\n _get(_getPrototypeOf(BubbleController.prototype), \"initialize\", this).call(this);\n }\n }, {\n key: \"parseObjectData\",\n value: function parseObjectData(meta, data, start, count) {\n var xScale = meta.xScale,\n yScale = meta.yScale;\n var _this$_parsing3 = this._parsing,\n _this$_parsing3$xAxis = _this$_parsing3.xAxisKey,\n xAxisKey = _this$_parsing3$xAxis === void 0 ? 'x' : _this$_parsing3$xAxis,\n _this$_parsing3$yAxis = _this$_parsing3.yAxisKey,\n yAxisKey = _this$_parsing3$yAxis === void 0 ? 'y' : _this$_parsing3$yAxis;\n var parsed = [];\n var i, ilen, item;\n\n for (i = start, ilen = start + count; i < ilen; ++i) {\n item = data[i];\n parsed.push({\n x: xScale.parse(resolveObjectKey(item, xAxisKey), i),\n y: yScale.parse(resolveObjectKey(item, yAxisKey), i),\n _custom: item && item.r && +item.r\n });\n }\n\n return parsed;\n }\n }, {\n key: \"getMaxOverflow\",\n value: function getMaxOverflow() {\n var _this$_cachedMeta = this._cachedMeta,\n data = _this$_cachedMeta.data,\n _parsed = _this$_cachedMeta._parsed;\n var max = 0;\n\n for (var i = data.length - 1; i >= 0; --i) {\n max = Math.max(max, data[i].size() / 2, _parsed[i]._custom);\n }\n\n return max > 0 && max;\n }\n }, {\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var me = this;\n var meta = me._cachedMeta;\n var xScale = meta.xScale,\n yScale = meta.yScale;\n var parsed = me.getParsed(index);\n var x = xScale.getLabelForValue(parsed.x);\n var y = yScale.getLabelForValue(parsed.y);\n var r = parsed._custom;\n return {\n label: meta.label,\n value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')'\n };\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var me = this;\n var points = me._cachedMeta.data;\n me.updateElements(points, 0, points.length, mode);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(points, start, count, mode) {\n var me = this;\n var reset = mode === 'reset';\n var _me$_cachedMeta2 = me._cachedMeta,\n iScale = _me$_cachedMeta2.iScale,\n vScale = _me$_cachedMeta2.vScale;\n var firstOpts = me.resolveDataElementOptions(start, mode);\n var sharedOptions = me.getSharedOptions(firstOpts);\n var includeOptions = me.includeOptions(mode, sharedOptions);\n var iAxis = iScale.axis;\n var vAxis = vScale.axis;\n\n for (var i = start; i < start + count; i++) {\n var point = points[i];\n var parsed = !reset && me.getParsed(i);\n var properties = {};\n var iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]);\n var vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]);\n properties.skip = isNaN(iPixel) || isNaN(vPixel);\n\n if (includeOptions) {\n properties.options = me.resolveDataElementOptions(i, point.active ? 'active' : mode);\n\n if (reset) {\n properties.options.radius = 0;\n }\n }\n\n me.updateElement(point, i, properties, mode);\n }\n\n me.updateSharedOptions(sharedOptions, mode, firstOpts);\n }\n }, {\n key: \"resolveDataElementOptions\",\n value: function resolveDataElementOptions(index, mode) {\n var parsed = this.getParsed(index);\n\n var values = _get(_getPrototypeOf(BubbleController.prototype), \"resolveDataElementOptions\", this).call(this, index, mode);\n\n if (values.$shared) {\n values = Object.assign({}, values, {\n $shared: false\n });\n }\n\n var radius = values.radius;\n\n if (mode !== 'active') {\n values.radius = 0;\n }\n\n values.radius += valueOrDefault(parsed && parsed._custom, radius);\n return values;\n }\n }]);\n\n return BubbleController;\n}(DatasetController);\n\nBubbleController.id = 'bubble';\nBubbleController.defaults = {\n datasetElementType: false,\n dataElementType: 'point',\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'borderWidth', 'radius']\n }\n }\n};\nBubbleController.overrides = {\n scales: {\n x: {\n type: 'linear'\n },\n y: {\n type: 'linear'\n }\n },\n plugins: {\n tooltip: {\n callbacks: {\n title: function title() {\n return '';\n }\n }\n }\n }\n};\n\nfunction getRatioAndOffset(rotation, circumference, cutout) {\n var ratioX = 1;\n var ratioY = 1;\n var offsetX = 0;\n var offsetY = 0;\n\n if (circumference < TAU) {\n var startAngle = rotation;\n var endAngle = startAngle + circumference;\n var startX = Math.cos(startAngle);\n var startY = Math.sin(startAngle);\n var endX = Math.cos(endAngle);\n var endY = Math.sin(endAngle);\n\n var calcMax = function calcMax(angle, a, b) {\n return _angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout);\n };\n\n var calcMin = function calcMin(angle, a, b) {\n return _angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout);\n };\n\n var maxX = calcMax(0, startX, endX);\n var maxY = calcMax(HALF_PI, startY, endY);\n var minX = calcMin(PI, startX, endX);\n var minY = calcMin(PI + HALF_PI, startY, endY);\n ratioX = (maxX - minX) / 2;\n ratioY = (maxY - minY) / 2;\n offsetX = -(maxX + minX) / 2;\n offsetY = -(maxY + minY) / 2;\n }\n\n return {\n ratioX: ratioX,\n ratioY: ratioY,\n offsetX: offsetX,\n offsetY: offsetY\n };\n}\n\nvar DoughnutController = /*#__PURE__*/function (_DatasetController3) {\n _inherits(DoughnutController, _DatasetController3);\n\n var _super3 = _createSuper(DoughnutController);\n\n function DoughnutController(chart, datasetIndex) {\n var _this;\n\n _classCallCheck(this, DoughnutController);\n\n _this = _super3.call(this, chart, datasetIndex);\n _this.enableOptionSharing = true;\n _this.innerRadius = undefined;\n _this.outerRadius = undefined;\n _this.offsetX = undefined;\n _this.offsetY = undefined;\n return _this;\n }\n\n _createClass(DoughnutController, [{\n key: \"linkScales\",\n value: function linkScales() {}\n }, {\n key: \"parse\",\n value: function parse(start, count) {\n var data = this.getDataset().data;\n var meta = this._cachedMeta;\n var i, ilen;\n\n for (i = start, ilen = start + count; i < ilen; ++i) {\n meta._parsed[i] = +data[i];\n }\n }\n }, {\n key: \"_getRotation\",\n value: function _getRotation() {\n return toRadians(this.options.rotation - 90);\n }\n }, {\n key: \"_getCircumference\",\n value: function _getCircumference() {\n return toRadians(this.options.circumference);\n }\n }, {\n key: \"_getRotationExtents\",\n value: function _getRotationExtents() {\n var min = TAU;\n var max = -TAU;\n var me = this;\n\n for (var i = 0; i < me.chart.data.datasets.length; ++i) {\n if (me.chart.isDatasetVisible(i)) {\n var controller = me.chart.getDatasetMeta(i).controller;\n\n var rotation = controller._getRotation();\n\n var circumference = controller._getCircumference();\n\n min = Math.min(min, rotation);\n max = Math.max(max, rotation + circumference);\n }\n }\n\n return {\n rotation: min,\n circumference: max - min\n };\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var me = this;\n var chart = me.chart;\n var chartArea = chart.chartArea;\n var meta = me._cachedMeta;\n var arcs = meta.data;\n var spacing = me.getMaxBorderWidth() + me.getMaxOffset(arcs) + me.options.spacing;\n var maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0);\n var cutout = Math.min(toPercentage(me.options.cutout, maxSize), 1);\n\n var chartWeight = me._getRingWeight(me.index);\n\n var _me$_getRotationExten = me._getRotationExtents(),\n circumference = _me$_getRotationExten.circumference,\n rotation = _me$_getRotationExten.rotation;\n\n var _getRatioAndOffset = getRatioAndOffset(rotation, circumference, cutout),\n ratioX = _getRatioAndOffset.ratioX,\n ratioY = _getRatioAndOffset.ratioY,\n offsetX = _getRatioAndOffset.offsetX,\n offsetY = _getRatioAndOffset.offsetY;\n\n var maxWidth = (chartArea.width - spacing) / ratioX;\n var maxHeight = (chartArea.height - spacing) / ratioY;\n var maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0);\n var outerRadius = toDimension(me.options.radius, maxRadius);\n var innerRadius = Math.max(outerRadius * cutout, 0);\n\n var radiusLength = (outerRadius - innerRadius) / me._getVisibleDatasetWeightTotal();\n\n me.offsetX = offsetX * outerRadius;\n me.offsetY = offsetY * outerRadius;\n meta.total = me.calculateTotal();\n me.outerRadius = outerRadius - radiusLength * me._getRingWeightOffset(me.index);\n me.innerRadius = Math.max(me.outerRadius - radiusLength * chartWeight, 0);\n me.updateElements(arcs, 0, arcs.length, mode);\n }\n }, {\n key: \"_circumference\",\n value: function _circumference(i, reset) {\n var me = this;\n var opts = me.options;\n var meta = me._cachedMeta;\n\n var circumference = me._getCircumference();\n\n if (reset && opts.animation.animateRotate || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) {\n return 0;\n }\n\n return me.calculateCircumference(meta._parsed[i] * circumference / TAU);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(arcs, start, count, mode) {\n var me = this;\n var reset = mode === 'reset';\n var chart = me.chart;\n var chartArea = chart.chartArea;\n var opts = chart.options;\n var animationOpts = opts.animation;\n var centerX = (chartArea.left + chartArea.right) / 2;\n var centerY = (chartArea.top + chartArea.bottom) / 2;\n var animateScale = reset && animationOpts.animateScale;\n var innerRadius = animateScale ? 0 : me.innerRadius;\n var outerRadius = animateScale ? 0 : me.outerRadius;\n var firstOpts = me.resolveDataElementOptions(start, mode);\n var sharedOptions = me.getSharedOptions(firstOpts);\n var includeOptions = me.includeOptions(mode, sharedOptions);\n\n var startAngle = me._getRotation();\n\n var i;\n\n for (i = 0; i < start; ++i) {\n startAngle += me._circumference(i, reset);\n }\n\n for (i = start; i < start + count; ++i) {\n var circumference = me._circumference(i, reset);\n\n var arc = arcs[i];\n var properties = {\n x: centerX + me.offsetX,\n y: centerY + me.offsetY,\n startAngle: startAngle,\n endAngle: startAngle + circumference,\n circumference: circumference,\n outerRadius: outerRadius,\n innerRadius: innerRadius\n };\n\n if (includeOptions) {\n properties.options = sharedOptions || me.resolveDataElementOptions(i, arc.active ? 'active' : mode);\n }\n\n startAngle += circumference;\n me.updateElement(arc, i, properties, mode);\n }\n\n me.updateSharedOptions(sharedOptions, mode, firstOpts);\n }\n }, {\n key: \"calculateTotal\",\n value: function calculateTotal() {\n var meta = this._cachedMeta;\n var metaData = meta.data;\n var total = 0;\n var i;\n\n for (i = 0; i < metaData.length; i++) {\n var value = meta._parsed[i];\n\n if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) {\n total += Math.abs(value);\n }\n }\n\n return total;\n }\n }, {\n key: \"calculateCircumference\",\n value: function calculateCircumference(value) {\n var total = this._cachedMeta.total;\n\n if (total > 0 && !isNaN(value)) {\n return TAU * (Math.abs(value) / total);\n }\n\n return 0;\n }\n }, {\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var me = this;\n var meta = me._cachedMeta;\n var chart = me.chart;\n var labels = chart.data.labels || [];\n var value = formatNumber(meta._parsed[index], chart.options.locale);\n return {\n label: labels[index] || '',\n value: value\n };\n }\n }, {\n key: \"getMaxBorderWidth\",\n value: function getMaxBorderWidth(arcs) {\n var me = this;\n var max = 0;\n var chart = me.chart;\n var i, ilen, meta, controller, options;\n\n if (!arcs) {\n for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {\n if (chart.isDatasetVisible(i)) {\n meta = chart.getDatasetMeta(i);\n arcs = meta.data;\n controller = meta.controller;\n\n if (controller !== me) {\n controller.configure();\n }\n\n break;\n }\n }\n }\n\n if (!arcs) {\n return 0;\n }\n\n for (i = 0, ilen = arcs.length; i < ilen; ++i) {\n options = controller.resolveDataElementOptions(i);\n\n if (options.borderAlign !== 'inner') {\n max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0);\n }\n }\n\n return max;\n }\n }, {\n key: \"getMaxOffset\",\n value: function getMaxOffset(arcs) {\n var max = 0;\n\n for (var i = 0, ilen = arcs.length; i < ilen; ++i) {\n var options = this.resolveDataElementOptions(i);\n max = Math.max(max, options.offset || 0, options.hoverOffset || 0);\n }\n\n return max;\n }\n }, {\n key: \"_getRingWeightOffset\",\n value: function _getRingWeightOffset(datasetIndex) {\n var ringWeightOffset = 0;\n\n for (var i = 0; i < datasetIndex; ++i) {\n if (this.chart.isDatasetVisible(i)) {\n ringWeightOffset += this._getRingWeight(i);\n }\n }\n\n return ringWeightOffset;\n }\n }, {\n key: \"_getRingWeight\",\n value: function _getRingWeight(datasetIndex) {\n return Math.max(valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0);\n }\n }, {\n key: \"_getVisibleDatasetWeightTotal\",\n value: function _getVisibleDatasetWeightTotal() {\n return this._getRingWeightOffset(this.chart.data.datasets.length) || 1;\n }\n }]);\n\n return DoughnutController;\n}(DatasetController);\n\nDoughnutController.id = 'doughnut';\nDoughnutController.defaults = {\n datasetElementType: false,\n dataElementType: 'arc',\n animation: {\n animateRotate: true,\n animateScale: false\n },\n animations: {\n numbers: {\n type: 'number',\n properties: ['circumference', 'endAngle', 'innerRadius', 'outerRadius', 'startAngle', 'x', 'y', 'offset', 'borderWidth', 'spacing']\n }\n },\n cutout: '50%',\n rotation: 0,\n circumference: 360,\n radius: '100%',\n spacing: 0,\n indexAxis: 'r'\n};\nDoughnutController.descriptors = {\n _scriptable: function _scriptable(name) {\n return name !== 'spacing';\n },\n _indexable: function _indexable(name) {\n return name !== 'spacing';\n }\n};\nDoughnutController.overrides = {\n aspectRatio: 1,\n plugins: {\n legend: {\n labels: {\n generateLabels: function generateLabels(chart) {\n var data = chart.data;\n\n if (data.labels.length && data.datasets.length) {\n var pointStyle = chart.legend.options.labels.pointStyle;\n return data.labels.map(function (label, i) {\n var meta = chart.getDatasetMeta(0);\n var style = meta.controller.getStyle(i);\n return {\n text: label,\n fillStyle: style.backgroundColor,\n strokeStyle: style.borderColor,\n lineWidth: style.borderWidth,\n pointStyle: pointStyle,\n hidden: !chart.getDataVisibility(i),\n index: i\n };\n });\n }\n\n return [];\n }\n },\n onClick: function onClick(e, legendItem, legend) {\n legend.chart.toggleDataVisibility(legendItem.index);\n legend.chart.update();\n }\n },\n tooltip: {\n callbacks: {\n title: function title() {\n return '';\n },\n label: function label(tooltipItem) {\n var dataLabel = tooltipItem.label;\n var value = ': ' + tooltipItem.formattedValue;\n\n if (isArray(dataLabel)) {\n dataLabel = dataLabel.slice();\n dataLabel[0] += value;\n } else {\n dataLabel += value;\n }\n\n return dataLabel;\n }\n }\n }\n }\n};\n\nvar LineController = /*#__PURE__*/function (_DatasetController4) {\n _inherits(LineController, _DatasetController4);\n\n var _super4 = _createSuper(LineController);\n\n function LineController() {\n _classCallCheck(this, LineController);\n\n return _super4.apply(this, arguments);\n }\n\n _createClass(LineController, [{\n key: \"initialize\",\n value: function initialize() {\n this.enableOptionSharing = true;\n\n _get(_getPrototypeOf(LineController.prototype), \"initialize\", this).call(this);\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var me = this;\n var meta = me._cachedMeta;\n var line = meta.dataset,\n _meta$data = meta.data,\n points = _meta$data === void 0 ? [] : _meta$data,\n _dataset = meta._dataset;\n var animationsDisabled = me.chart._animationsDisabled;\n\n var _getStartAndCountOfVi = getStartAndCountOfVisiblePoints(meta, points, animationsDisabled),\n start = _getStartAndCountOfVi.start,\n count = _getStartAndCountOfVi.count;\n\n me._drawStart = start;\n me._drawCount = count;\n\n if (scaleRangesChanged(meta)) {\n start = 0;\n count = points.length;\n }\n\n line._datasetIndex = me.index;\n line._decimated = !!_dataset._decimated;\n line.points = points;\n var options = me.resolveDatasetElementOptions(mode);\n\n if (!me.options.showLine) {\n options.borderWidth = 0;\n }\n\n options.segment = me.options.segment;\n me.updateElement(line, undefined, {\n animated: !animationsDisabled,\n options: options\n }, mode);\n me.updateElements(points, start, count, mode);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(points, start, count, mode) {\n var me = this;\n var reset = mode === 'reset';\n var _me$_cachedMeta3 = me._cachedMeta,\n iScale = _me$_cachedMeta3.iScale,\n vScale = _me$_cachedMeta3.vScale,\n _stacked = _me$_cachedMeta3._stacked;\n var firstOpts = me.resolveDataElementOptions(start, mode);\n var sharedOptions = me.getSharedOptions(firstOpts);\n var includeOptions = me.includeOptions(mode, sharedOptions);\n var iAxis = iScale.axis;\n var vAxis = vScale.axis;\n var spanGaps = me.options.spanGaps;\n var maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY;\n var directUpdate = me.chart._animationsDisabled || reset || mode === 'none';\n var prevParsed = start > 0 && me.getParsed(start - 1);\n\n for (var i = start; i < start + count; ++i) {\n var point = points[i];\n var parsed = me.getParsed(i);\n var properties = directUpdate ? point : {};\n var nullData = isNullOrUndef(parsed[vAxis]);\n var iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i);\n var vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? me.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i);\n properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData;\n properties.stop = i > 0 && parsed[iAxis] - prevParsed[iAxis] > maxGapLength;\n properties.parsed = parsed;\n\n if (includeOptions) {\n properties.options = sharedOptions || me.resolveDataElementOptions(i, point.active ? 'active' : mode);\n }\n\n if (!directUpdate) {\n me.updateElement(point, i, properties, mode);\n }\n\n prevParsed = parsed;\n }\n\n me.updateSharedOptions(sharedOptions, mode, firstOpts);\n }\n }, {\n key: \"getMaxOverflow\",\n value: function getMaxOverflow() {\n var me = this;\n var meta = me._cachedMeta;\n var dataset = meta.dataset;\n var border = dataset.options && dataset.options.borderWidth || 0;\n var data = meta.data || [];\n\n if (!data.length) {\n return border;\n }\n\n var firstPoint = data[0].size(me.resolveDataElementOptions(0));\n var lastPoint = data[data.length - 1].size(me.resolveDataElementOptions(data.length - 1));\n return Math.max(border, firstPoint, lastPoint) / 2;\n }\n }, {\n key: \"draw\",\n value: function draw() {\n var meta = this._cachedMeta;\n meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis);\n\n _get(_getPrototypeOf(LineController.prototype), \"draw\", this).call(this);\n }\n }]);\n\n return LineController;\n}(DatasetController);\n\nLineController.id = 'line';\nLineController.defaults = {\n datasetElementType: 'line',\n dataElementType: 'point',\n showLine: true,\n spanGaps: false\n};\nLineController.overrides = {\n scales: {\n _index_: {\n type: 'category'\n },\n _value_: {\n type: 'linear'\n }\n }\n};\n\nfunction getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) {\n var pointCount = points.length;\n var start = 0;\n var count = pointCount;\n\n if (meta._sorted) {\n var iScale = meta.iScale,\n _parsed = meta._parsed;\n var axis = iScale.axis;\n\n var _iScale$getUserBounds = iScale.getUserBounds(),\n min = _iScale$getUserBounds.min,\n max = _iScale$getUserBounds.max,\n minDefined = _iScale$getUserBounds.minDefined,\n maxDefined = _iScale$getUserBounds.maxDefined;\n\n if (minDefined) {\n start = _limitValue(Math.min(_lookupByKey(_parsed, iScale.axis, min).lo, animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo), 0, pointCount - 1);\n }\n\n if (maxDefined) {\n count = _limitValue(Math.max(_lookupByKey(_parsed, iScale.axis, max).hi + 1, animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max)).hi + 1), start, pointCount) - start;\n } else {\n count = pointCount - start;\n }\n }\n\n return {\n start: start,\n count: count\n };\n}\n\nfunction scaleRangesChanged(meta) {\n var xScale = meta.xScale,\n yScale = meta.yScale,\n _scaleRanges = meta._scaleRanges;\n var newRanges = {\n xmin: xScale.min,\n xmax: xScale.max,\n ymin: yScale.min,\n ymax: yScale.max\n };\n\n if (!_scaleRanges) {\n meta._scaleRanges = newRanges;\n return true;\n }\n\n var changed = _scaleRanges.xmin !== xScale.min || _scaleRanges.xmax !== xScale.max || _scaleRanges.ymin !== yScale.min || _scaleRanges.ymax !== yScale.max;\n Object.assign(_scaleRanges, newRanges);\n return changed;\n}\n\nvar PolarAreaController = /*#__PURE__*/function (_DatasetController5) {\n _inherits(PolarAreaController, _DatasetController5);\n\n var _super5 = _createSuper(PolarAreaController);\n\n function PolarAreaController(chart, datasetIndex) {\n var _this2;\n\n _classCallCheck(this, PolarAreaController);\n\n _this2 = _super5.call(this, chart, datasetIndex);\n _this2.innerRadius = undefined;\n _this2.outerRadius = undefined;\n return _this2;\n }\n\n _createClass(PolarAreaController, [{\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var me = this;\n var meta = me._cachedMeta;\n var chart = me.chart;\n var labels = chart.data.labels || [];\n var value = formatNumber(meta._parsed[index].r, chart.options.locale);\n return {\n label: labels[index] || '',\n value: value\n };\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var arcs = this._cachedMeta.data;\n\n this._updateRadius();\n\n this.updateElements(arcs, 0, arcs.length, mode);\n }\n }, {\n key: \"_updateRadius\",\n value: function _updateRadius() {\n var me = this;\n var chart = me.chart;\n var chartArea = chart.chartArea;\n var opts = chart.options;\n var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);\n var outerRadius = Math.max(minSize / 2, 0);\n var innerRadius = Math.max(opts.cutoutPercentage ? outerRadius / 100 * opts.cutoutPercentage : 1, 0);\n var radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount();\n me.outerRadius = outerRadius - radiusLength * me.index;\n me.innerRadius = me.outerRadius - radiusLength;\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(arcs, start, count, mode) {\n var me = this;\n var reset = mode === 'reset';\n var chart = me.chart;\n var dataset = me.getDataset();\n var opts = chart.options;\n var animationOpts = opts.animation;\n var scale = me._cachedMeta.rScale;\n var centerX = scale.xCenter;\n var centerY = scale.yCenter;\n var datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI;\n var angle = datasetStartAngle;\n var i;\n var defaultAngle = 360 / me.countVisibleElements();\n\n for (i = 0; i < start; ++i) {\n angle += me._computeAngle(i, mode, defaultAngle);\n }\n\n for (i = start; i < start + count; i++) {\n var arc = arcs[i];\n var startAngle = angle;\n\n var endAngle = angle + me._computeAngle(i, mode, defaultAngle);\n\n var outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(dataset.data[i]) : 0;\n angle = endAngle;\n\n if (reset) {\n if (animationOpts.animateScale) {\n outerRadius = 0;\n }\n\n if (animationOpts.animateRotate) {\n startAngle = endAngle = datasetStartAngle;\n }\n }\n\n var properties = {\n x: centerX,\n y: centerY,\n innerRadius: 0,\n outerRadius: outerRadius,\n startAngle: startAngle,\n endAngle: endAngle,\n options: me.resolveDataElementOptions(i, arc.active ? 'active' : mode)\n };\n me.updateElement(arc, i, properties, mode);\n }\n }\n }, {\n key: \"countVisibleElements\",\n value: function countVisibleElements() {\n var _this3 = this;\n\n var dataset = this.getDataset();\n var meta = this._cachedMeta;\n var count = 0;\n meta.data.forEach(function (element, index) {\n if (!isNaN(dataset.data[index]) && _this3.chart.getDataVisibility(index)) {\n count++;\n }\n });\n return count;\n }\n }, {\n key: \"_computeAngle\",\n value: function _computeAngle(index, mode, defaultAngle) {\n return this.chart.getDataVisibility(index) ? toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle) : 0;\n }\n }]);\n\n return PolarAreaController;\n}(DatasetController);\n\nPolarAreaController.id = 'polarArea';\nPolarAreaController.defaults = {\n dataElementType: 'arc',\n animation: {\n animateRotate: true,\n animateScale: true\n },\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius']\n }\n },\n indexAxis: 'r',\n startAngle: 0\n};\nPolarAreaController.overrides = {\n aspectRatio: 1,\n plugins: {\n legend: {\n labels: {\n generateLabels: function generateLabels(chart) {\n var data = chart.data;\n\n if (data.labels.length && data.datasets.length) {\n var pointStyle = chart.legend.options.labels.pointStyle;\n return data.labels.map(function (label, i) {\n var meta = chart.getDatasetMeta(0);\n var style = meta.controller.getStyle(i);\n return {\n text: label,\n fillStyle: style.backgroundColor,\n strokeStyle: style.borderColor,\n lineWidth: style.borderWidth,\n pointStyle: pointStyle,\n hidden: !chart.getDataVisibility(i),\n index: i\n };\n });\n }\n\n return [];\n }\n },\n onClick: function onClick(e, legendItem, legend) {\n legend.chart.toggleDataVisibility(legendItem.index);\n legend.chart.update();\n }\n },\n tooltip: {\n callbacks: {\n title: function title() {\n return '';\n },\n label: function label(context) {\n return context.chart.data.labels[context.dataIndex] + ': ' + context.formattedValue;\n }\n }\n }\n },\n scales: {\n r: {\n type: 'radialLinear',\n angleLines: {\n display: false\n },\n beginAtZero: true,\n grid: {\n circular: true\n },\n pointLabels: {\n display: false\n },\n startAngle: 0\n }\n }\n};\n\nvar PieController = /*#__PURE__*/function (_DoughnutController) {\n _inherits(PieController, _DoughnutController);\n\n var _super6 = _createSuper(PieController);\n\n function PieController() {\n _classCallCheck(this, PieController);\n\n return _super6.apply(this, arguments);\n }\n\n return PieController;\n}(DoughnutController);\n\nPieController.id = 'pie';\nPieController.defaults = {\n cutout: 0,\n rotation: 0,\n circumference: 360,\n radius: '100%'\n};\n\nvar RadarController = /*#__PURE__*/function (_DatasetController6) {\n _inherits(RadarController, _DatasetController6);\n\n var _super7 = _createSuper(RadarController);\n\n function RadarController() {\n _classCallCheck(this, RadarController);\n\n return _super7.apply(this, arguments);\n }\n\n _createClass(RadarController, [{\n key: \"getLabelAndValue\",\n value: function getLabelAndValue(index) {\n var me = this;\n var vScale = me._cachedMeta.vScale;\n var parsed = me.getParsed(index);\n return {\n label: vScale.getLabels()[index],\n value: '' + vScale.getLabelForValue(parsed[vScale.axis])\n };\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var me = this;\n var meta = me._cachedMeta;\n var line = meta.dataset;\n var points = meta.data || [];\n var labels = meta.iScale.getLabels();\n line.points = points;\n\n if (mode !== 'resize') {\n var options = me.resolveDatasetElementOptions(mode);\n\n if (!me.options.showLine) {\n options.borderWidth = 0;\n }\n\n var properties = {\n _loop: true,\n _fullLoop: labels.length === points.length,\n options: options\n };\n me.updateElement(line, undefined, properties, mode);\n }\n\n me.updateElements(points, 0, points.length, mode);\n }\n }, {\n key: \"updateElements\",\n value: function updateElements(points, start, count, mode) {\n var me = this;\n var dataset = me.getDataset();\n var scale = me._cachedMeta.rScale;\n var reset = mode === 'reset';\n\n for (var i = start; i < start + count; i++) {\n var point = points[i];\n var options = me.resolveDataElementOptions(i, point.active ? 'active' : mode);\n var pointPosition = scale.getPointPositionForValue(i, dataset.data[i]);\n var x = reset ? scale.xCenter : pointPosition.x;\n var y = reset ? scale.yCenter : pointPosition.y;\n var properties = {\n x: x,\n y: y,\n angle: pointPosition.angle,\n skip: isNaN(x) || isNaN(y),\n options: options\n };\n me.updateElement(point, i, properties, mode);\n }\n }\n }]);\n\n return RadarController;\n}(DatasetController);\n\nRadarController.id = 'radar';\nRadarController.defaults = {\n datasetElementType: 'line',\n dataElementType: 'point',\n indexAxis: 'r',\n showLine: true,\n elements: {\n line: {\n fill: 'start'\n }\n }\n};\nRadarController.overrides = {\n aspectRatio: 1,\n scales: {\n r: {\n type: 'radialLinear'\n }\n }\n};\n\nvar ScatterController = /*#__PURE__*/function (_LineController) {\n _inherits(ScatterController, _LineController);\n\n var _super8 = _createSuper(ScatterController);\n\n function ScatterController() {\n _classCallCheck(this, ScatterController);\n\n return _super8.apply(this, arguments);\n }\n\n return ScatterController;\n}(LineController);\n\nScatterController.id = 'scatter';\nScatterController.defaults = {\n showLine: false,\n fill: false\n};\nScatterController.overrides = {\n interaction: {\n mode: 'point'\n },\n plugins: {\n tooltip: {\n callbacks: {\n title: function title() {\n return '';\n },\n label: function label(item) {\n return '(' + item.label + ', ' + item.formattedValue + ')';\n }\n }\n }\n },\n scales: {\n x: {\n type: 'linear'\n },\n y: {\n type: 'linear'\n }\n }\n};\nvar controllers = /*#__PURE__*/Object.freeze({\n __proto__: null,\n BarController: BarController,\n BubbleController: BubbleController,\n DoughnutController: DoughnutController,\n LineController: LineController,\n PolarAreaController: PolarAreaController,\n PieController: PieController,\n RadarController: RadarController,\n ScatterController: ScatterController\n});\n\nfunction _abstract() {\n throw new Error('This method is not implemented: Check that a complete date adapter is provided.');\n}\n\nvar DateAdapter = /*#__PURE__*/function () {\n function DateAdapter(options) {\n _classCallCheck(this, DateAdapter);\n\n this.options = options || {};\n }\n\n _createClass(DateAdapter, [{\n key: \"formats\",\n value: function formats() {\n return _abstract();\n }\n }, {\n key: \"parse\",\n value: function parse(value, format) {\n return _abstract();\n }\n }, {\n key: \"format\",\n value: function format(timestamp, _format) {\n return _abstract();\n }\n }, {\n key: \"add\",\n value: function add(timestamp, amount, unit) {\n return _abstract();\n }\n }, {\n key: \"diff\",\n value: function diff(a, b, unit) {\n return _abstract();\n }\n }, {\n key: \"startOf\",\n value: function startOf(timestamp, unit, weekday) {\n return _abstract();\n }\n }, {\n key: \"endOf\",\n value: function endOf(timestamp, unit) {\n return _abstract();\n }\n }]);\n\n return DateAdapter;\n}();\n\nDateAdapter.override = function (members) {\n Object.assign(DateAdapter.prototype, members);\n};\n\nvar adapters = {\n _date: DateAdapter\n};\n\nfunction getRelativePosition(e, chart) {\n if ('native' in e) {\n return {\n x: e.x,\n y: e.y\n };\n }\n\n return getRelativePosition$1(e, chart);\n}\n\nfunction evaluateAllVisibleItems(chart, handler) {\n var metasets = chart.getSortedVisibleDatasetMetas();\n var index, data, element;\n\n for (var i = 0, ilen = metasets.length; i < ilen; ++i) {\n var _metasets$i = metasets[i];\n index = _metasets$i.index;\n data = _metasets$i.data;\n\n for (var j = 0, jlen = data.length; j < jlen; ++j) {\n element = data[j];\n\n if (!element.skip) {\n handler(element, index, j);\n }\n }\n }\n}\n\nfunction binarySearch(metaset, axis, value, intersect) {\n var controller = metaset.controller,\n data = metaset.data,\n _sorted = metaset._sorted;\n var iScale = controller._cachedMeta.iScale;\n\n if (iScale && axis === iScale.axis && _sorted && data.length) {\n var lookupMethod = iScale._reversePixels ? _rlookupByKey : _lookupByKey;\n\n if (!intersect) {\n return lookupMethod(data, axis, value);\n } else if (controller._sharedOptions) {\n var el = data[0];\n var range = typeof el.getRange === 'function' && el.getRange(axis);\n\n if (range) {\n var start = lookupMethod(data, axis, value - range);\n var end = lookupMethod(data, axis, value + range);\n return {\n lo: start.lo,\n hi: end.hi\n };\n }\n }\n }\n\n return {\n lo: 0,\n hi: data.length - 1\n };\n}\n\nfunction optimizedEvaluateItems(chart, axis, position, handler, intersect) {\n var metasets = chart.getSortedVisibleDatasetMetas();\n var value = position[axis];\n\n for (var i = 0, ilen = metasets.length; i < ilen; ++i) {\n var _metasets$i2 = metasets[i],\n index = _metasets$i2.index,\n data = _metasets$i2.data;\n\n var _binarySearch = binarySearch(metasets[i], axis, value, intersect),\n lo = _binarySearch.lo,\n hi = _binarySearch.hi;\n\n for (var j = lo; j <= hi; ++j) {\n var element = data[j];\n\n if (!element.skip) {\n handler(element, index, j);\n }\n }\n }\n}\n\nfunction getDistanceMetricForAxis(axis) {\n var useX = axis.indexOf('x') !== -1;\n var useY = axis.indexOf('y') !== -1;\n return function (pt1, pt2) {\n var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;\n var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;\n return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));\n };\n}\n\nfunction getIntersectItems(chart, position, axis, useFinalPosition) {\n var items = [];\n\n if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) {\n return items;\n }\n\n var evaluationFunc = function evaluationFunc(element, datasetIndex, index) {\n if (element.inRange(position.x, position.y, useFinalPosition)) {\n items.push({\n element: element,\n datasetIndex: datasetIndex,\n index: index\n });\n }\n };\n\n optimizedEvaluateItems(chart, axis, position, evaluationFunc, true);\n return items;\n}\n\nfunction getNearestItems(chart, position, axis, intersect, useFinalPosition) {\n var distanceMetric = getDistanceMetricForAxis(axis);\n var minDistance = Number.POSITIVE_INFINITY;\n var items = [];\n\n if (!_isPointInArea(position, chart.chartArea, chart._minPadding)) {\n return items;\n }\n\n var evaluationFunc = function evaluationFunc(element, datasetIndex, index) {\n if (intersect && !element.inRange(position.x, position.y, useFinalPosition)) {\n return;\n }\n\n var center = element.getCenterPoint(useFinalPosition);\n\n if (!_isPointInArea(center, chart.chartArea, chart._minPadding) && !element.inRange(position.x, position.y, useFinalPosition)) {\n return;\n }\n\n var distance = distanceMetric(position, center);\n\n if (distance < minDistance) {\n items = [{\n element: element,\n datasetIndex: datasetIndex,\n index: index\n }];\n minDistance = distance;\n } else if (distance === minDistance) {\n items.push({\n element: element,\n datasetIndex: datasetIndex,\n index: index\n });\n }\n };\n\n optimizedEvaluateItems(chart, axis, position, evaluationFunc);\n return items;\n}\n\nfunction getAxisItems(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n var items = [];\n var axis = options.axis;\n var rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange';\n var intersectsItem = false;\n evaluateAllVisibleItems(chart, function (element, datasetIndex, index) {\n if (element[rangeMethod](position[axis], useFinalPosition)) {\n items.push({\n element: element,\n datasetIndex: datasetIndex,\n index: index\n });\n }\n\n if (element.inRange(position.x, position.y, useFinalPosition)) {\n intersectsItem = true;\n }\n });\n\n if (options.intersect && !intersectsItem) {\n return [];\n }\n\n return items;\n}\n\nvar Interaction = {\n modes: {\n index: function index(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n var axis = options.axis || 'x';\n var items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition) : getNearestItems(chart, position, axis, false, useFinalPosition);\n var elements = [];\n\n if (!items.length) {\n return [];\n }\n\n chart.getSortedVisibleDatasetMetas().forEach(function (meta) {\n var index = items[0].index;\n var element = meta.data[index];\n\n if (element && !element.skip) {\n elements.push({\n element: element,\n datasetIndex: meta.index,\n index: index\n });\n }\n });\n return elements;\n },\n dataset: function dataset(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n var axis = options.axis || 'xy';\n var items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition) : getNearestItems(chart, position, axis, false, useFinalPosition);\n\n if (items.length > 0) {\n var datasetIndex = items[0].datasetIndex;\n var data = chart.getDatasetMeta(datasetIndex).data;\n items = [];\n\n for (var i = 0; i < data.length; ++i) {\n items.push({\n element: data[i],\n datasetIndex: datasetIndex,\n index: i\n });\n }\n }\n\n return items;\n },\n point: function point(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n var axis = options.axis || 'xy';\n return getIntersectItems(chart, position, axis, useFinalPosition);\n },\n nearest: function nearest(chart, e, options, useFinalPosition) {\n var position = getRelativePosition(e, chart);\n var axis = options.axis || 'xy';\n return getNearestItems(chart, position, axis, options.intersect, useFinalPosition);\n },\n x: function x(chart, e, options, useFinalPosition) {\n options.axis = 'x';\n return getAxisItems(chart, e, options, useFinalPosition);\n },\n y: function y(chart, e, options, useFinalPosition) {\n options.axis = 'y';\n return getAxisItems(chart, e, options, useFinalPosition);\n }\n }\n};\nvar STATIC_POSITIONS = ['left', 'top', 'right', 'bottom'];\n\nfunction filterByPosition(array, position) {\n return array.filter(function (v) {\n return v.pos === position;\n });\n}\n\nfunction filterDynamicPositionByAxis(array, axis) {\n return array.filter(function (v) {\n return STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis;\n });\n}\n\nfunction sortByWeight(array, reverse) {\n return array.sort(function (a, b) {\n var v0 = reverse ? b : a;\n var v1 = reverse ? a : b;\n return v0.weight === v1.weight ? v0.index - v1.index : v0.weight - v1.weight;\n });\n}\n\nfunction wrapBoxes(boxes) {\n var layoutBoxes = [];\n var i, ilen, box, pos, stack, stackWeight;\n\n for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) {\n box = boxes[i];\n var _box = box;\n pos = _box.position;\n var _box$options = _box.options;\n stack = _box$options.stack;\n var _box$options$stackWei = _box$options.stackWeight;\n stackWeight = _box$options$stackWei === void 0 ? 1 : _box$options$stackWei;\n layoutBoxes.push({\n index: i,\n box: box,\n pos: pos,\n horizontal: box.isHorizontal(),\n weight: box.weight,\n stack: stack && pos + stack,\n stackWeight: stackWeight\n });\n }\n\n return layoutBoxes;\n}\n\nfunction buildStacks(layouts) {\n var stacks = {};\n\n var _iterator5 = _createForOfIteratorHelper(layouts),\n _step5;\n\n try {\n for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {\n var wrap = _step5.value;\n var stack = wrap.stack,\n pos = wrap.pos,\n stackWeight = wrap.stackWeight;\n\n if (!stack || !STATIC_POSITIONS.includes(pos)) {\n continue;\n }\n\n var _stack = stacks[stack] || (stacks[stack] = {\n count: 0,\n placed: 0,\n weight: 0,\n size: 0\n });\n\n _stack.count++;\n _stack.weight += stackWeight;\n }\n } catch (err) {\n _iterator5.e(err);\n } finally {\n _iterator5.f();\n }\n\n return stacks;\n}\n\nfunction setLayoutDims(layouts, params) {\n var stacks = buildStacks(layouts);\n var vBoxMaxWidth = params.vBoxMaxWidth,\n hBoxMaxHeight = params.hBoxMaxHeight;\n var i, ilen, layout;\n\n for (i = 0, ilen = layouts.length; i < ilen; ++i) {\n layout = layouts[i];\n var fullSize = layout.box.fullSize;\n var stack = stacks[layout.stack];\n var factor = stack && layout.stackWeight / stack.weight;\n\n if (layout.horizontal) {\n layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth;\n layout.height = hBoxMaxHeight;\n } else {\n layout.width = vBoxMaxWidth;\n layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight;\n }\n }\n\n return stacks;\n}\n\nfunction buildLayoutBoxes(boxes) {\n var layoutBoxes = wrapBoxes(boxes);\n var fullSize = sortByWeight(layoutBoxes.filter(function (wrap) {\n return wrap.box.fullSize;\n }), true);\n var left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true);\n var right = sortByWeight(filterByPosition(layoutBoxes, 'right'));\n var top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true);\n var bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom'));\n var centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x');\n var centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y');\n return {\n fullSize: fullSize,\n leftAndTop: left.concat(top),\n rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal),\n chartArea: filterByPosition(layoutBoxes, 'chartArea'),\n vertical: left.concat(right).concat(centerVertical),\n horizontal: top.concat(bottom).concat(centerHorizontal)\n };\n}\n\nfunction getCombinedMax(maxPadding, chartArea, a, b) {\n return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]);\n}\n\nfunction updateMaxPadding(maxPadding, boxPadding) {\n maxPadding.top = Math.max(maxPadding.top, boxPadding.top);\n maxPadding.left = Math.max(maxPadding.left, boxPadding.left);\n maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom);\n maxPadding.right = Math.max(maxPadding.right, boxPadding.right);\n}\n\nfunction updateDims(chartArea, params, layout, stacks) {\n var pos = layout.pos,\n box = layout.box;\n var maxPadding = chartArea.maxPadding;\n\n if (!isObject(pos)) {\n if (layout.size) {\n chartArea[pos] -= layout.size;\n }\n\n var stack = stacks[layout.stack] || {\n size: 0,\n count: 1\n };\n stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width);\n layout.size = stack.size / stack.count;\n chartArea[pos] += layout.size;\n }\n\n if (box.getPadding) {\n updateMaxPadding(maxPadding, box.getPadding());\n }\n\n var newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right'));\n var newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom'));\n var widthChanged = newWidth !== chartArea.w;\n var heightChanged = newHeight !== chartArea.h;\n chartArea.w = newWidth;\n chartArea.h = newHeight;\n return layout.horizontal ? {\n same: widthChanged,\n other: heightChanged\n } : {\n same: heightChanged,\n other: widthChanged\n };\n}\n\nfunction handleMaxPadding(chartArea) {\n var maxPadding = chartArea.maxPadding;\n\n function updatePos(pos) {\n var change = Math.max(maxPadding[pos] - chartArea[pos], 0);\n chartArea[pos] += change;\n return change;\n }\n\n chartArea.y += updatePos('top');\n chartArea.x += updatePos('left');\n updatePos('right');\n updatePos('bottom');\n}\n\nfunction getMargins(horizontal, chartArea) {\n var maxPadding = chartArea.maxPadding;\n\n function marginForPositions(positions) {\n var margin = {\n left: 0,\n top: 0,\n right: 0,\n bottom: 0\n };\n positions.forEach(function (pos) {\n margin[pos] = Math.max(chartArea[pos], maxPadding[pos]);\n });\n return margin;\n }\n\n return horizontal ? marginForPositions(['left', 'right']) : marginForPositions(['top', 'bottom']);\n}\n\nfunction fitBoxes(boxes, chartArea, params, stacks) {\n var refitBoxes = [];\n var i, ilen, layout, box, refit, changed;\n\n for (i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i) {\n layout = boxes[i];\n box = layout.box;\n box.update(layout.width || chartArea.w, layout.height || chartArea.h, getMargins(layout.horizontal, chartArea));\n\n var _updateDims = updateDims(chartArea, params, layout, stacks),\n same = _updateDims.same,\n other = _updateDims.other;\n\n refit |= same && refitBoxes.length;\n changed = changed || other;\n\n if (!box.fullSize) {\n refitBoxes.push(layout);\n }\n }\n\n return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed;\n}\n\nfunction setBoxDims(box, left, top, width, height) {\n box.top = top;\n box.left = left;\n box.right = left + width;\n box.bottom = top + height;\n box.width = width;\n box.height = height;\n}\n\nfunction placeBoxes(boxes, chartArea, params, stacks) {\n var userPadding = params.padding;\n var x = chartArea.x,\n y = chartArea.y;\n\n var _iterator6 = _createForOfIteratorHelper(boxes),\n _step6;\n\n try {\n for (_iterator6.s(); !(_step6 = _iterator6.n()).done;) {\n var layout = _step6.value;\n var box = layout.box;\n var stack = stacks[layout.stack] || {\n count: 1,\n placed: 0,\n weight: 1\n };\n var weight = layout.stackWeight / stack.weight || 1;\n\n if (layout.horizontal) {\n var width = chartArea.w * weight;\n var height = stack.size || box.height;\n\n if (defined(stack.start)) {\n y = stack.start;\n }\n\n if (box.fullSize) {\n setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height);\n } else {\n setBoxDims(box, chartArea.left + stack.placed, y, width, height);\n }\n\n stack.start = y;\n stack.placed += width;\n y = box.bottom;\n } else {\n var _height = chartArea.h * weight;\n\n var _width = stack.size || box.width;\n\n if (defined(stack.start)) {\n x = stack.start;\n }\n\n if (box.fullSize) {\n setBoxDims(box, x, userPadding.top, _width, params.outerHeight - userPadding.bottom - userPadding.top);\n } else {\n setBoxDims(box, x, chartArea.top + stack.placed, _width, _height);\n }\n\n stack.start = x;\n stack.placed += _height;\n x = box.right;\n }\n }\n } catch (err) {\n _iterator6.e(err);\n } finally {\n _iterator6.f();\n }\n\n chartArea.x = x;\n chartArea.y = y;\n}\n\ndefaults.set('layout', {\n padding: {\n top: 0,\n right: 0,\n bottom: 0,\n left: 0\n }\n});\nvar layouts = {\n addBox: function addBox(chart, item) {\n if (!chart.boxes) {\n chart.boxes = [];\n }\n\n item.fullSize = item.fullSize || false;\n item.position = item.position || 'top';\n item.weight = item.weight || 0;\n\n item._layers = item._layers || function () {\n return [{\n z: 0,\n draw: function draw(chartArea) {\n item.draw(chartArea);\n }\n }];\n };\n\n chart.boxes.push(item);\n },\n removeBox: function removeBox(chart, layoutItem) {\n var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;\n\n if (index !== -1) {\n chart.boxes.splice(index, 1);\n }\n },\n configure: function configure(chart, item, options) {\n item.fullSize = options.fullSize;\n item.position = options.position;\n item.weight = options.weight;\n },\n update: function update(chart, width, height, minPadding) {\n if (!chart) {\n return;\n }\n\n var padding = toPadding(chart.options.layout.padding);\n var availableWidth = Math.max(width - padding.width, 0);\n var availableHeight = Math.max(height - padding.height, 0);\n var boxes = buildLayoutBoxes(chart.boxes);\n var verticalBoxes = boxes.vertical;\n var horizontalBoxes = boxes.horizontal;\n each(chart.boxes, function (box) {\n if (typeof box.beforeLayout === 'function') {\n box.beforeLayout();\n }\n });\n var visibleVerticalBoxCount = verticalBoxes.reduce(function (total, wrap) {\n return wrap.box.options && wrap.box.options.display === false ? total : total + 1;\n }, 0) || 1;\n var params = Object.freeze({\n outerWidth: width,\n outerHeight: height,\n padding: padding,\n availableWidth: availableWidth,\n availableHeight: availableHeight,\n vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount,\n hBoxMaxHeight: availableHeight / 2\n });\n var maxPadding = Object.assign({}, padding);\n updateMaxPadding(maxPadding, toPadding(minPadding));\n var chartArea = Object.assign({\n maxPadding: maxPadding,\n w: availableWidth,\n h: availableHeight,\n x: padding.left,\n y: padding.top\n }, padding);\n var stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params);\n fitBoxes(boxes.fullSize, chartArea, params, stacks);\n fitBoxes(verticalBoxes, chartArea, params, stacks);\n\n if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) {\n fitBoxes(verticalBoxes, chartArea, params, stacks);\n }\n\n handleMaxPadding(chartArea);\n placeBoxes(boxes.leftAndTop, chartArea, params, stacks);\n chartArea.x += chartArea.w;\n chartArea.y += chartArea.h;\n placeBoxes(boxes.rightAndBottom, chartArea, params, stacks);\n chart.chartArea = {\n left: chartArea.left,\n top: chartArea.top,\n right: chartArea.left + chartArea.w,\n bottom: chartArea.top + chartArea.h,\n height: chartArea.h,\n width: chartArea.w\n };\n each(boxes.chartArea, function (layout) {\n var box = layout.box;\n Object.assign(box, chart.chartArea);\n box.update(chartArea.w, chartArea.h);\n });\n }\n};\n\nvar BasePlatform = /*#__PURE__*/function () {\n function BasePlatform() {\n _classCallCheck(this, BasePlatform);\n }\n\n _createClass(BasePlatform, [{\n key: \"acquireContext\",\n value: function acquireContext(canvas, aspectRatio) {}\n }, {\n key: \"releaseContext\",\n value: function releaseContext(context) {\n return false;\n }\n }, {\n key: \"addEventListener\",\n value: function addEventListener(chart, type, listener) {}\n }, {\n key: \"removeEventListener\",\n value: function removeEventListener(chart, type, listener) {}\n }, {\n key: \"getDevicePixelRatio\",\n value: function getDevicePixelRatio() {\n return 1;\n }\n }, {\n key: \"getMaximumSize\",\n value: function getMaximumSize(element, width, height, aspectRatio) {\n width = Math.max(0, width || element.width);\n height = height || element.height;\n return {\n width: width,\n height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height)\n };\n }\n }, {\n key: \"isAttached\",\n value: function isAttached(canvas) {\n return true;\n }\n }]);\n\n return BasePlatform;\n}();\n\nvar BasicPlatform = /*#__PURE__*/function (_BasePlatform) {\n _inherits(BasicPlatform, _BasePlatform);\n\n var _super9 = _createSuper(BasicPlatform);\n\n function BasicPlatform() {\n _classCallCheck(this, BasicPlatform);\n\n return _super9.apply(this, arguments);\n }\n\n _createClass(BasicPlatform, [{\n key: \"acquireContext\",\n value: function acquireContext(item) {\n return item && item.getContext && item.getContext('2d') || null;\n }\n }]);\n\n return BasicPlatform;\n}(BasePlatform);\n\nvar EXPANDO_KEY = '$chartjs';\nvar EVENT_TYPES = {\n touchstart: 'mousedown',\n touchmove: 'mousemove',\n touchend: 'mouseup',\n pointerenter: 'mouseenter',\n pointerdown: 'mousedown',\n pointermove: 'mousemove',\n pointerup: 'mouseup',\n pointerleave: 'mouseout',\n pointerout: 'mouseout'\n};\n\nvar isNullOrEmpty = function isNullOrEmpty(value) {\n return value === null || value === '';\n};\n\nfunction initCanvas(canvas, aspectRatio) {\n var style = canvas.style;\n var renderHeight = canvas.getAttribute('height');\n var renderWidth = canvas.getAttribute('width');\n canvas[EXPANDO_KEY] = {\n initial: {\n height: renderHeight,\n width: renderWidth,\n style: {\n display: style.display,\n height: style.height,\n width: style.width\n }\n }\n };\n style.display = style.display || 'block';\n style.boxSizing = style.boxSizing || 'border-box';\n\n if (isNullOrEmpty(renderWidth)) {\n var displayWidth = readUsedSize(canvas, 'width');\n\n if (displayWidth !== undefined) {\n canvas.width = displayWidth;\n }\n }\n\n if (isNullOrEmpty(renderHeight)) {\n if (canvas.style.height === '') {\n canvas.height = canvas.width / (aspectRatio || 2);\n } else {\n var displayHeight = readUsedSize(canvas, 'height');\n\n if (displayHeight !== undefined) {\n canvas.height = displayHeight;\n }\n }\n }\n\n return canvas;\n}\n\nvar eventListenerOptions = supportsEventListenerOptions ? {\n passive: true\n} : false;\n\nfunction addListener(node, type, listener) {\n node.addEventListener(type, listener, eventListenerOptions);\n}\n\nfunction removeListener(chart, type, listener) {\n chart.canvas.removeEventListener(type, listener, eventListenerOptions);\n}\n\nfunction fromNativeEvent(event, chart) {\n var type = EVENT_TYPES[event.type] || event.type;\n\n var _getRelativePosition$ = getRelativePosition$1(event, chart),\n x = _getRelativePosition$.x,\n y = _getRelativePosition$.y;\n\n return {\n type: type,\n chart: chart,\n \"native\": event,\n x: x !== undefined ? x : null,\n y: y !== undefined ? y : null\n };\n}\n\nfunction createAttachObserver(chart, type, listener) {\n var canvas = chart.canvas;\n\n var container = canvas && _getParentNode(canvas);\n\n var element = container || canvas;\n var observer = new MutationObserver(function (entries) {\n var parent = _getParentNode(element);\n\n entries.forEach(function (entry) {\n for (var i = 0; i < entry.addedNodes.length; i++) {\n var added = entry.addedNodes[i];\n\n if (added === element || added === parent) {\n listener(entry.target);\n }\n }\n });\n });\n observer.observe(document, {\n childList: true,\n subtree: true\n });\n return observer;\n}\n\nfunction createDetachObserver(chart, type, listener) {\n var canvas = chart.canvas;\n\n var container = canvas && _getParentNode(canvas);\n\n if (!container) {\n return;\n }\n\n var observer = new MutationObserver(function (entries) {\n entries.forEach(function (entry) {\n for (var i = 0; i < entry.removedNodes.length; i++) {\n if (entry.removedNodes[i] === canvas) {\n listener();\n break;\n }\n }\n });\n });\n observer.observe(container, {\n childList: true\n });\n return observer;\n}\n\nvar drpListeningCharts = new Map();\nvar oldDevicePixelRatio = 0;\n\nfunction onWindowResize() {\n var dpr = window.devicePixelRatio;\n\n if (dpr === oldDevicePixelRatio) {\n return;\n }\n\n oldDevicePixelRatio = dpr;\n drpListeningCharts.forEach(function (resize, chart) {\n if (chart.currentDevicePixelRatio !== dpr) {\n resize();\n }\n });\n}\n\nfunction listenDevicePixelRatioChanges(chart, resize) {\n if (!drpListeningCharts.size) {\n window.addEventListener('resize', onWindowResize);\n }\n\n drpListeningCharts.set(chart, resize);\n}\n\nfunction unlistenDevicePixelRatioChanges(chart) {\n drpListeningCharts[\"delete\"](chart);\n\n if (!drpListeningCharts.size) {\n window.removeEventListener('resize', onWindowResize);\n }\n}\n\nfunction createResizeObserver(chart, type, listener) {\n var canvas = chart.canvas;\n\n var container = canvas && _getParentNode(canvas);\n\n if (!container) {\n return;\n }\n\n var resize = throttled(function (width, height) {\n var w = container.clientWidth;\n listener(width, height);\n\n if (w < container.clientWidth) {\n listener();\n }\n }, window);\n var observer = new ResizeObserver(function (entries) {\n var entry = entries[0];\n var width = entry.contentRect.width;\n var height = entry.contentRect.height;\n\n if (width === 0 && height === 0) {\n return;\n }\n\n resize(width, height);\n });\n observer.observe(container);\n listenDevicePixelRatioChanges(chart, resize);\n return observer;\n}\n\nfunction releaseObserver(chart, type, observer) {\n if (observer) {\n observer.disconnect();\n }\n\n if (type === 'resize') {\n unlistenDevicePixelRatioChanges(chart);\n }\n}\n\nfunction createProxyAndListen(chart, type, listener) {\n var canvas = chart.canvas;\n var proxy = throttled(function (event) {\n if (chart.ctx !== null) {\n listener(fromNativeEvent(event, chart));\n }\n }, chart, function (args) {\n var event = args[0];\n return [event, event.offsetX, event.offsetY];\n });\n addListener(canvas, type, proxy);\n return proxy;\n}\n\nvar DomPlatform = /*#__PURE__*/function (_BasePlatform2) {\n _inherits(DomPlatform, _BasePlatform2);\n\n var _super10 = _createSuper(DomPlatform);\n\n function DomPlatform() {\n _classCallCheck(this, DomPlatform);\n\n return _super10.apply(this, arguments);\n }\n\n _createClass(DomPlatform, [{\n key: \"acquireContext\",\n value: function acquireContext(canvas, aspectRatio) {\n var context = canvas && canvas.getContext && canvas.getContext('2d');\n\n if (context && context.canvas === canvas) {\n initCanvas(canvas, aspectRatio);\n return context;\n }\n\n return null;\n }\n }, {\n key: \"releaseContext\",\n value: function releaseContext(context) {\n var canvas = context.canvas;\n\n if (!canvas[EXPANDO_KEY]) {\n return false;\n }\n\n var initial = canvas[EXPANDO_KEY].initial;\n ['height', 'width'].forEach(function (prop) {\n var value = initial[prop];\n\n if (isNullOrUndef(value)) {\n canvas.removeAttribute(prop);\n } else {\n canvas.setAttribute(prop, value);\n }\n });\n var style = initial.style || {};\n Object.keys(style).forEach(function (key) {\n canvas.style[key] = style[key];\n });\n canvas.width = canvas.width;\n delete canvas[EXPANDO_KEY];\n return true;\n }\n }, {\n key: \"addEventListener\",\n value: function addEventListener(chart, type, listener) {\n this.removeEventListener(chart, type);\n var proxies = chart.$proxies || (chart.$proxies = {});\n var handlers = {\n attach: createAttachObserver,\n detach: createDetachObserver,\n resize: createResizeObserver\n };\n var handler = handlers[type] || createProxyAndListen;\n proxies[type] = handler(chart, type, listener);\n }\n }, {\n key: \"removeEventListener\",\n value: function removeEventListener(chart, type) {\n var proxies = chart.$proxies || (chart.$proxies = {});\n var proxy = proxies[type];\n\n if (!proxy) {\n return;\n }\n\n var handlers = {\n attach: releaseObserver,\n detach: releaseObserver,\n resize: releaseObserver\n };\n var handler = handlers[type] || removeListener;\n handler(chart, type, proxy);\n proxies[type] = undefined;\n }\n }, {\n key: \"getDevicePixelRatio\",\n value: function getDevicePixelRatio() {\n return window.devicePixelRatio;\n }\n }, {\n key: \"getMaximumSize\",\n value: function getMaximumSize(canvas, width, height, aspectRatio) {\n return _getMaximumSize(canvas, width, height, aspectRatio);\n }\n }, {\n key: \"isAttached\",\n value: function isAttached(canvas) {\n var container = _getParentNode(canvas);\n\n return !!(container && container.isConnected);\n }\n }]);\n\n return DomPlatform;\n}(BasePlatform);\n\nfunction _detectPlatform(canvas) {\n if (!_isDomSupported() || typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas) {\n return BasicPlatform;\n }\n\n return DomPlatform;\n}\n\nvar Element = /*#__PURE__*/function () {\n function Element() {\n _classCallCheck(this, Element);\n\n this.x = undefined;\n this.y = undefined;\n this.active = false;\n this.options = undefined;\n this.$animations = undefined;\n }\n\n _createClass(Element, [{\n key: \"tooltipPosition\",\n value: function tooltipPosition(useFinalPosition) {\n var _this$getProps = this.getProps(['x', 'y'], useFinalPosition),\n x = _this$getProps.x,\n y = _this$getProps.y;\n\n return {\n x: x,\n y: y\n };\n }\n }, {\n key: \"hasValue\",\n value: function hasValue() {\n return isNumber(this.x) && isNumber(this.y);\n }\n }, {\n key: \"getProps\",\n value: function getProps(props, _final) {\n var me = this;\n var anims = this.$animations;\n\n if (!_final || !anims) {\n return me;\n }\n\n var ret = {};\n props.forEach(function (prop) {\n ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : me[prop];\n });\n return ret;\n }\n }]);\n\n return Element;\n}();\n\nElement.defaults = {};\nElement.defaultRoutes = undefined;\nvar formatters = {\n values: function values(value) {\n return isArray(value) ? value : '' + value;\n },\n numeric: function numeric(tickValue, index, ticks) {\n if (tickValue === 0) {\n return '0';\n }\n\n var locale = this.chart.options.locale;\n var notation;\n var delta = tickValue;\n\n if (ticks.length > 1) {\n var maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value));\n\n if (maxTick < 1e-4 || maxTick > 1e+15) {\n notation = 'scientific';\n }\n\n delta = calculateDelta(tickValue, ticks);\n }\n\n var logDelta = log10(Math.abs(delta));\n var numDecimal = Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0);\n var options = {\n notation: notation,\n minimumFractionDigits: numDecimal,\n maximumFractionDigits: numDecimal\n };\n Object.assign(options, this.options.ticks.format);\n return formatNumber(tickValue, locale, options);\n },\n logarithmic: function logarithmic(tickValue, index, ticks) {\n if (tickValue === 0) {\n return '0';\n }\n\n var remain = tickValue / Math.pow(10, Math.floor(log10(tickValue)));\n\n if (remain === 1 || remain === 2 || remain === 5) {\n return formatters.numeric.call(this, tickValue, index, ticks);\n }\n\n return '';\n }\n};\n\nfunction calculateDelta(tickValue, ticks) {\n var delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value;\n\n if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) {\n delta = tickValue - Math.floor(tickValue);\n }\n\n return delta;\n}\n\nvar Ticks = {\n formatters: formatters\n};\ndefaults.set('scale', {\n display: true,\n offset: false,\n reverse: false,\n beginAtZero: false,\n bounds: 'ticks',\n grace: 0,\n grid: {\n display: true,\n lineWidth: 1,\n drawBorder: true,\n drawOnChartArea: true,\n drawTicks: true,\n tickLength: 8,\n tickWidth: function tickWidth(_ctx, options) {\n return options.lineWidth;\n },\n tickColor: function tickColor(_ctx, options) {\n return options.color;\n },\n offset: false,\n borderDash: [],\n borderDashOffset: 0.0,\n borderWidth: 1\n },\n title: {\n display: false,\n text: '',\n padding: {\n top: 4,\n bottom: 4\n }\n },\n ticks: {\n minRotation: 0,\n maxRotation: 50,\n mirror: false,\n textStrokeWidth: 0,\n textStrokeColor: '',\n padding: 3,\n display: true,\n autoSkip: true,\n autoSkipPadding: 3,\n labelOffset: 0,\n callback: Ticks.formatters.values,\n minor: {},\n major: {},\n align: 'center',\n crossAlign: 'near',\n showLabelBackdrop: false,\n backdropColor: 'rgba(255, 255, 255, 0.75)',\n backdropPadding: 2\n }\n});\ndefaults.route('scale.ticks', 'color', '', 'color');\ndefaults.route('scale.grid', 'color', '', 'borderColor');\ndefaults.route('scale.grid', 'borderColor', '', 'borderColor');\ndefaults.route('scale.title', 'color', '', 'color');\ndefaults.describe('scale', {\n _fallback: false,\n _scriptable: function _scriptable(name) {\n return !name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser';\n },\n _indexable: function _indexable(name) {\n return name !== 'borderDash' && name !== 'tickBorderDash';\n }\n});\ndefaults.describe('scales', {\n _fallback: 'scale'\n});\ndefaults.describe('scale.ticks', {\n _scriptable: function _scriptable(name) {\n return name !== 'backdropPadding' && name !== 'callback';\n },\n _indexable: function _indexable(name) {\n return name !== 'backdropPadding';\n }\n});\n\nfunction autoSkip(scale, ticks) {\n var tickOpts = scale.options.ticks;\n var ticksLimit = tickOpts.maxTicksLimit || determineMaxTicks(scale);\n var majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : [];\n var numMajorIndices = majorIndices.length;\n var first = majorIndices[0];\n var last = majorIndices[numMajorIndices - 1];\n var newTicks = [];\n\n if (numMajorIndices > ticksLimit) {\n skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit);\n return newTicks;\n }\n\n var spacing = calculateSpacing(majorIndices, ticks, ticksLimit);\n\n if (numMajorIndices > 0) {\n var i, ilen;\n var avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null;\n skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first);\n\n for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) {\n skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]);\n }\n\n skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing);\n return newTicks;\n }\n\n skip(ticks, newTicks, spacing);\n return newTicks;\n}\n\nfunction determineMaxTicks(scale) {\n var offset = scale.options.offset;\n\n var tickLength = scale._tickSize();\n\n var maxScale = scale._length / tickLength + (offset ? 0 : 1);\n var maxChart = scale._maxLength / tickLength;\n return Math.floor(Math.min(maxScale, maxChart));\n}\n\nfunction calculateSpacing(majorIndices, ticks, ticksLimit) {\n var evenMajorSpacing = getEvenSpacing(majorIndices);\n var spacing = ticks.length / ticksLimit;\n\n if (!evenMajorSpacing) {\n return Math.max(spacing, 1);\n }\n\n var factors = _factorize(evenMajorSpacing);\n\n for (var i = 0, ilen = factors.length - 1; i < ilen; i++) {\n var factor = factors[i];\n\n if (factor > spacing) {\n return factor;\n }\n }\n\n return Math.max(spacing, 1);\n}\n\nfunction getMajorIndices(ticks) {\n var result = [];\n var i, ilen;\n\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n if (ticks[i].major) {\n result.push(i);\n }\n }\n\n return result;\n}\n\nfunction skipMajors(ticks, newTicks, majorIndices, spacing) {\n var count = 0;\n var next = majorIndices[0];\n var i;\n spacing = Math.ceil(spacing);\n\n for (i = 0; i < ticks.length; i++) {\n if (i === next) {\n newTicks.push(ticks[i]);\n count++;\n next = majorIndices[count * spacing];\n }\n }\n}\n\nfunction skip(ticks, newTicks, spacing, majorStart, majorEnd) {\n var start = valueOrDefault(majorStart, 0);\n var end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length);\n var count = 0;\n var length, i, next;\n spacing = Math.ceil(spacing);\n\n if (majorEnd) {\n length = majorEnd - majorStart;\n spacing = length / Math.floor(length / spacing);\n }\n\n next = start;\n\n while (next < 0) {\n count++;\n next = Math.round(start + count * spacing);\n }\n\n for (i = Math.max(start, 0); i < end; i++) {\n if (i === next) {\n newTicks.push(ticks[i]);\n count++;\n next = Math.round(start + count * spacing);\n }\n }\n}\n\nfunction getEvenSpacing(arr) {\n var len = arr.length;\n var i, diff;\n\n if (len < 2) {\n return false;\n }\n\n for (diff = arr[0], i = 1; i < len; ++i) {\n if (arr[i] - arr[i - 1] !== diff) {\n return false;\n }\n }\n\n return diff;\n}\n\nvar reverseAlign = function reverseAlign(align) {\n return align === 'left' ? 'right' : align === 'right' ? 'left' : align;\n};\n\nvar offsetFromEdge = function offsetFromEdge(scale, edge, offset) {\n return edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset;\n};\n\nfunction sample(arr, numItems) {\n var result = [];\n var increment = arr.length / numItems;\n var len = arr.length;\n var i = 0;\n\n for (; i < len; i += increment) {\n result.push(arr[Math.floor(i)]);\n }\n\n return result;\n}\n\nfunction getPixelForGridLine(scale, index, offsetGridLines) {\n var length = scale.ticks.length;\n var validIndex = Math.min(index, length - 1);\n var start = scale._startPixel;\n var end = scale._endPixel;\n var epsilon = 1e-6;\n var lineValue = scale.getPixelForTick(validIndex);\n var offset;\n\n if (offsetGridLines) {\n if (length === 1) {\n offset = Math.max(lineValue - start, end - lineValue);\n } else if (index === 0) {\n offset = (scale.getPixelForTick(1) - lineValue) / 2;\n } else {\n offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2;\n }\n\n lineValue += validIndex < index ? offset : -offset;\n\n if (lineValue < start - epsilon || lineValue > end + epsilon) {\n return;\n }\n }\n\n return lineValue;\n}\n\nfunction garbageCollect(caches, length) {\n each(caches, function (cache) {\n var gc = cache.gc;\n var gcLen = gc.length / 2;\n var i;\n\n if (gcLen > length) {\n for (i = 0; i < gcLen; ++i) {\n delete cache.data[gc[i]];\n }\n\n gc.splice(0, gcLen);\n }\n });\n}\n\nfunction getTickMarkLength(options) {\n return options.drawTicks ? options.tickLength : 0;\n}\n\nfunction getTitleHeight(options, fallback) {\n if (!options.display) {\n return 0;\n }\n\n var font = toFont(options.font, fallback);\n var padding = toPadding(options.padding);\n var lines = isArray(options.text) ? options.text.length : 1;\n return lines * font.lineHeight + padding.height;\n}\n\nfunction createScaleContext(parent, scale) {\n return Object.assign(Object.create(parent), {\n scale: scale,\n type: 'scale'\n });\n}\n\nfunction createTickContext(parent, index, tick) {\n return Object.assign(Object.create(parent), {\n tick: tick,\n index: index,\n type: 'tick'\n });\n}\n\nfunction titleAlign(align, position, reverse) {\n var ret = _toLeftRightCenter(align);\n\n if (reverse && position !== 'right' || !reverse && position === 'right') {\n ret = reverseAlign(ret);\n }\n\n return ret;\n}\n\nfunction titleArgs(scale, offset, position, align) {\n var top = scale.top,\n left = scale.left,\n bottom = scale.bottom,\n right = scale.right,\n chart = scale.chart;\n var chartArea = chart.chartArea,\n scales = chart.scales;\n var rotation = 0;\n var maxWidth, titleX, titleY;\n var height = bottom - top;\n var width = right - left;\n\n if (scale.isHorizontal()) {\n titleX = _alignStartEnd(align, left, right);\n\n if (isObject(position)) {\n var positionAxisID = Object.keys(position)[0];\n var value = position[positionAxisID];\n titleY = scales[positionAxisID].getPixelForValue(value) + height - offset;\n } else if (position === 'center') {\n titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset;\n } else {\n titleY = offsetFromEdge(scale, position, offset);\n }\n\n maxWidth = right - left;\n } else {\n if (isObject(position)) {\n var _positionAxisID = Object.keys(position)[0];\n var _value = position[_positionAxisID];\n titleX = scales[_positionAxisID].getPixelForValue(_value) - width + offset;\n } else if (position === 'center') {\n titleX = (chartArea.left + chartArea.right) / 2 - width + offset;\n } else {\n titleX = offsetFromEdge(scale, position, offset);\n }\n\n titleY = _alignStartEnd(align, bottom, top);\n rotation = position === 'left' ? -HALF_PI : HALF_PI;\n }\n\n return {\n titleX: titleX,\n titleY: titleY,\n maxWidth: maxWidth,\n rotation: rotation\n };\n}\n\nvar Scale = /*#__PURE__*/function (_Element) {\n _inherits(Scale, _Element);\n\n var _super11 = _createSuper(Scale);\n\n function Scale(cfg) {\n var _this4;\n\n _classCallCheck(this, Scale);\n\n _this4 = _super11.call(this);\n _this4.id = cfg.id;\n _this4.type = cfg.type;\n _this4.options = undefined;\n _this4.ctx = cfg.ctx;\n _this4.chart = cfg.chart;\n _this4.top = undefined;\n _this4.bottom = undefined;\n _this4.left = undefined;\n _this4.right = undefined;\n _this4.width = undefined;\n _this4.height = undefined;\n _this4._margins = {\n left: 0,\n right: 0,\n top: 0,\n bottom: 0\n };\n _this4.maxWidth = undefined;\n _this4.maxHeight = undefined;\n _this4.paddingTop = undefined;\n _this4.paddingBottom = undefined;\n _this4.paddingLeft = undefined;\n _this4.paddingRight = undefined;\n _this4.axis = undefined;\n _this4.labelRotation = undefined;\n _this4.min = undefined;\n _this4.max = undefined;\n _this4._range = undefined;\n _this4.ticks = [];\n _this4._gridLineItems = null;\n _this4._labelItems = null;\n _this4._labelSizes = null;\n _this4._length = 0;\n _this4._maxLength = 0;\n _this4._longestTextCache = {};\n _this4._startPixel = undefined;\n _this4._endPixel = undefined;\n _this4._reversePixels = false;\n _this4._userMax = undefined;\n _this4._userMin = undefined;\n _this4._suggestedMax = undefined;\n _this4._suggestedMin = undefined;\n _this4._ticksLength = 0;\n _this4._borderValue = 0;\n _this4._cache = {};\n _this4._dataLimitsCached = false;\n _this4.$context = undefined;\n return _this4;\n }\n\n _createClass(Scale, [{\n key: \"init\",\n value: function init(options) {\n var me = this;\n me.options = options.setContext(me.getContext());\n me.axis = options.axis;\n me._userMin = me.parse(options.min);\n me._userMax = me.parse(options.max);\n me._suggestedMin = me.parse(options.suggestedMin);\n me._suggestedMax = me.parse(options.suggestedMax);\n }\n }, {\n key: \"parse\",\n value: function parse(raw, index) {\n return raw;\n }\n }, {\n key: \"getUserBounds\",\n value: function getUserBounds() {\n var _userMin = this._userMin,\n _userMax = this._userMax,\n _suggestedMin = this._suggestedMin,\n _suggestedMax = this._suggestedMax;\n _userMin = finiteOrDefault(_userMin, Number.POSITIVE_INFINITY);\n _userMax = finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY);\n _suggestedMin = finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY);\n _suggestedMax = finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY);\n return {\n min: finiteOrDefault(_userMin, _suggestedMin),\n max: finiteOrDefault(_userMax, _suggestedMax),\n minDefined: isNumberFinite(_userMin),\n maxDefined: isNumberFinite(_userMax)\n };\n }\n }, {\n key: \"getMinMax\",\n value: function getMinMax(canStack) {\n var me = this;\n\n var _me$getUserBounds = me.getUserBounds(),\n min = _me$getUserBounds.min,\n max = _me$getUserBounds.max,\n minDefined = _me$getUserBounds.minDefined,\n maxDefined = _me$getUserBounds.maxDefined;\n\n var range;\n\n if (minDefined && maxDefined) {\n return {\n min: min,\n max: max\n };\n }\n\n var metas = me.getMatchingVisibleMetas();\n\n for (var i = 0, ilen = metas.length; i < ilen; ++i) {\n range = metas[i].controller.getMinMax(me, canStack);\n\n if (!minDefined) {\n min = Math.min(min, range.min);\n }\n\n if (!maxDefined) {\n max = Math.max(max, range.max);\n }\n }\n\n return {\n min: finiteOrDefault(min, finiteOrDefault(max, min)),\n max: finiteOrDefault(max, finiteOrDefault(min, max))\n };\n }\n }, {\n key: \"getPadding\",\n value: function getPadding() {\n var me = this;\n return {\n left: me.paddingLeft || 0,\n top: me.paddingTop || 0,\n right: me.paddingRight || 0,\n bottom: me.paddingBottom || 0\n };\n }\n }, {\n key: \"getTicks\",\n value: function getTicks() {\n return this.ticks;\n }\n }, {\n key: \"getLabels\",\n value: function getLabels() {\n var data = this.chart.data;\n return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || [];\n }\n }, {\n key: \"beforeLayout\",\n value: function beforeLayout() {\n this._cache = {};\n this._dataLimitsCached = false;\n }\n }, {\n key: \"beforeUpdate\",\n value: function beforeUpdate() {\n callback(this.options.beforeUpdate, [this]);\n }\n }, {\n key: \"update\",\n value: function update(maxWidth, maxHeight, margins) {\n var me = this;\n var tickOpts = me.options.ticks;\n var sampleSize = tickOpts.sampleSize;\n me.beforeUpdate();\n me.maxWidth = maxWidth;\n me.maxHeight = maxHeight;\n me._margins = margins = Object.assign({\n left: 0,\n right: 0,\n top: 0,\n bottom: 0\n }, margins);\n me.ticks = null;\n me._labelSizes = null;\n me._gridLineItems = null;\n me._labelItems = null;\n me.beforeSetDimensions();\n me.setDimensions();\n me.afterSetDimensions();\n me._maxLength = me.isHorizontal() ? me.width + margins.left + margins.right : me.height + margins.top + margins.bottom;\n\n if (!me._dataLimitsCached) {\n me.beforeDataLimits();\n me.determineDataLimits();\n me.afterDataLimits();\n me._range = _addGrace(me, me.options.grace);\n me._dataLimitsCached = true;\n }\n\n me.beforeBuildTicks();\n me.ticks = me.buildTicks() || [];\n me.afterBuildTicks();\n var samplingEnabled = sampleSize < me.ticks.length;\n\n me._convertTicksToLabels(samplingEnabled ? sample(me.ticks, sampleSize) : me.ticks);\n\n me.configure();\n me.beforeCalculateLabelRotation();\n me.calculateLabelRotation();\n me.afterCalculateLabelRotation();\n\n if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) {\n me.ticks = autoSkip(me, me.ticks);\n me._labelSizes = null;\n }\n\n if (samplingEnabled) {\n me._convertTicksToLabels(me.ticks);\n }\n\n me.beforeFit();\n me.fit();\n me.afterFit();\n me.afterUpdate();\n }\n }, {\n key: \"configure\",\n value: function configure() {\n var me = this;\n var reversePixels = me.options.reverse;\n var startPixel, endPixel;\n\n if (me.isHorizontal()) {\n startPixel = me.left;\n endPixel = me.right;\n } else {\n startPixel = me.top;\n endPixel = me.bottom;\n reversePixels = !reversePixels;\n }\n\n me._startPixel = startPixel;\n me._endPixel = endPixel;\n me._reversePixels = reversePixels;\n me._length = endPixel - startPixel;\n me._alignToPixels = me.options.alignToPixels;\n }\n }, {\n key: \"afterUpdate\",\n value: function afterUpdate() {\n callback(this.options.afterUpdate, [this]);\n }\n }, {\n key: \"beforeSetDimensions\",\n value: function beforeSetDimensions() {\n callback(this.options.beforeSetDimensions, [this]);\n }\n }, {\n key: \"setDimensions\",\n value: function setDimensions() {\n var me = this;\n\n if (me.isHorizontal()) {\n me.width = me.maxWidth;\n me.left = 0;\n me.right = me.width;\n } else {\n me.height = me.maxHeight;\n me.top = 0;\n me.bottom = me.height;\n }\n\n me.paddingLeft = 0;\n me.paddingTop = 0;\n me.paddingRight = 0;\n me.paddingBottom = 0;\n }\n }, {\n key: \"afterSetDimensions\",\n value: function afterSetDimensions() {\n callback(this.options.afterSetDimensions, [this]);\n }\n }, {\n key: \"_callHooks\",\n value: function _callHooks(name) {\n var me = this;\n me.chart.notifyPlugins(name, me.getContext());\n callback(me.options[name], [me]);\n }\n }, {\n key: \"beforeDataLimits\",\n value: function beforeDataLimits() {\n this._callHooks('beforeDataLimits');\n }\n }, {\n key: \"determineDataLimits\",\n value: function determineDataLimits() {}\n }, {\n key: \"afterDataLimits\",\n value: function afterDataLimits() {\n this._callHooks('afterDataLimits');\n }\n }, {\n key: \"beforeBuildTicks\",\n value: function beforeBuildTicks() {\n this._callHooks('beforeBuildTicks');\n }\n }, {\n key: \"buildTicks\",\n value: function buildTicks() {\n return [];\n }\n }, {\n key: \"afterBuildTicks\",\n value: function afterBuildTicks() {\n this._callHooks('afterBuildTicks');\n }\n }, {\n key: \"beforeTickToLabelConversion\",\n value: function beforeTickToLabelConversion() {\n callback(this.options.beforeTickToLabelConversion, [this]);\n }\n }, {\n key: \"generateTickLabels\",\n value: function generateTickLabels(ticks) {\n var me = this;\n var tickOpts = me.options.ticks;\n var i, ilen, tick;\n\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n tick = ticks[i];\n tick.label = callback(tickOpts.callback, [tick.value, i, ticks], me);\n }\n }\n }, {\n key: \"afterTickToLabelConversion\",\n value: function afterTickToLabelConversion() {\n callback(this.options.afterTickToLabelConversion, [this]);\n }\n }, {\n key: \"beforeCalculateLabelRotation\",\n value: function beforeCalculateLabelRotation() {\n callback(this.options.beforeCalculateLabelRotation, [this]);\n }\n }, {\n key: \"calculateLabelRotation\",\n value: function calculateLabelRotation() {\n var me = this;\n var options = me.options;\n var tickOpts = options.ticks;\n var numTicks = me.ticks.length;\n var minRotation = tickOpts.minRotation || 0;\n var maxRotation = tickOpts.maxRotation;\n var labelRotation = minRotation;\n var tickWidth, maxHeight, maxLabelDiagonal;\n\n if (!me._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !me.isHorizontal()) {\n me.labelRotation = minRotation;\n return;\n }\n\n var labelSizes = me._getLabelSizes();\n\n var maxLabelWidth = labelSizes.widest.width;\n var maxLabelHeight = labelSizes.highest.height;\n\n var maxWidth = _limitValue(me.chart.width - maxLabelWidth, 0, me.maxWidth);\n\n tickWidth = options.offset ? me.maxWidth / numTicks : maxWidth / (numTicks - 1);\n\n if (maxLabelWidth + 6 > tickWidth) {\n tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1));\n maxHeight = me.maxHeight - getTickMarkLength(options.grid) - tickOpts.padding - getTitleHeight(options.title, me.chart.options.font);\n maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight);\n labelRotation = toDegrees(Math.min(Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)), Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1))));\n labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation));\n }\n\n me.labelRotation = labelRotation;\n }\n }, {\n key: \"afterCalculateLabelRotation\",\n value: function afterCalculateLabelRotation() {\n callback(this.options.afterCalculateLabelRotation, [this]);\n }\n }, {\n key: \"beforeFit\",\n value: function beforeFit() {\n callback(this.options.beforeFit, [this]);\n }\n }, {\n key: \"fit\",\n value: function fit() {\n var me = this;\n var minSize = {\n width: 0,\n height: 0\n };\n var chart = me.chart,\n _me$options2 = me.options,\n tickOpts = _me$options2.ticks,\n titleOpts = _me$options2.title,\n gridOpts = _me$options2.grid;\n\n var display = me._isVisible();\n\n var isHorizontal = me.isHorizontal();\n\n if (display) {\n var titleHeight = getTitleHeight(titleOpts, chart.options.font);\n\n if (isHorizontal) {\n minSize.width = me.maxWidth;\n minSize.height = getTickMarkLength(gridOpts) + titleHeight;\n } else {\n minSize.height = me.maxHeight;\n minSize.width = getTickMarkLength(gridOpts) + titleHeight;\n }\n\n if (tickOpts.display && me.ticks.length) {\n var _me$_getLabelSizes = me._getLabelSizes(),\n first = _me$_getLabelSizes.first,\n last = _me$_getLabelSizes.last,\n widest = _me$_getLabelSizes.widest,\n highest = _me$_getLabelSizes.highest;\n\n var tickPadding = tickOpts.padding * 2;\n var angleRadians = toRadians(me.labelRotation);\n var cos = Math.cos(angleRadians);\n var sin = Math.sin(angleRadians);\n\n if (isHorizontal) {\n var labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height;\n minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding);\n } else {\n var labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height;\n minSize.width = Math.min(me.maxWidth, minSize.width + labelWidth + tickPadding);\n }\n\n me._calculatePadding(first, last, sin, cos);\n }\n }\n\n me._handleMargins();\n\n if (isHorizontal) {\n me.width = me._length = chart.width - me._margins.left - me._margins.right;\n me.height = minSize.height;\n } else {\n me.width = minSize.width;\n me.height = me._length = chart.height - me._margins.top - me._margins.bottom;\n }\n }\n }, {\n key: \"_calculatePadding\",\n value: function _calculatePadding(first, last, sin, cos) {\n var me = this;\n var _me$options3 = me.options,\n _me$options3$ticks = _me$options3.ticks,\n align = _me$options3$ticks.align,\n padding = _me$options3$ticks.padding,\n position = _me$options3.position;\n var isRotated = me.labelRotation !== 0;\n var labelsBelowTicks = position !== 'top' && me.axis === 'x';\n\n if (me.isHorizontal()) {\n var offsetLeft = me.getPixelForTick(0) - me.left;\n var offsetRight = me.right - me.getPixelForTick(me.ticks.length - 1);\n var paddingLeft = 0;\n var paddingRight = 0;\n\n if (isRotated) {\n if (labelsBelowTicks) {\n paddingLeft = cos * first.width;\n paddingRight = sin * last.height;\n } else {\n paddingLeft = sin * first.height;\n paddingRight = cos * last.width;\n }\n } else if (align === 'start') {\n paddingRight = last.width;\n } else if (align === 'end') {\n paddingLeft = first.width;\n } else {\n paddingLeft = first.width / 2;\n paddingRight = last.width / 2;\n }\n\n me.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * me.width / (me.width - offsetLeft), 0);\n me.paddingRight = Math.max((paddingRight - offsetRight + padding) * me.width / (me.width - offsetRight), 0);\n } else {\n var paddingTop = last.height / 2;\n var paddingBottom = first.height / 2;\n\n if (align === 'start') {\n paddingTop = 0;\n paddingBottom = first.height;\n } else if (align === 'end') {\n paddingTop = last.height;\n paddingBottom = 0;\n }\n\n me.paddingTop = paddingTop + padding;\n me.paddingBottom = paddingBottom + padding;\n }\n }\n }, {\n key: \"_handleMargins\",\n value: function _handleMargins() {\n var me = this;\n\n if (me._margins) {\n me._margins.left = Math.max(me.paddingLeft, me._margins.left);\n me._margins.top = Math.max(me.paddingTop, me._margins.top);\n me._margins.right = Math.max(me.paddingRight, me._margins.right);\n me._margins.bottom = Math.max(me.paddingBottom, me._margins.bottom);\n }\n }\n }, {\n key: \"afterFit\",\n value: function afterFit() {\n callback(this.options.afterFit, [this]);\n }\n }, {\n key: \"isHorizontal\",\n value: function isHorizontal() {\n var _this$options = this.options,\n axis = _this$options.axis,\n position = _this$options.position;\n return position === 'top' || position === 'bottom' || axis === 'x';\n }\n }, {\n key: \"isFullSize\",\n value: function isFullSize() {\n return this.options.fullSize;\n }\n }, {\n key: \"_convertTicksToLabels\",\n value: function _convertTicksToLabels(ticks) {\n var me = this;\n me.beforeTickToLabelConversion();\n me.generateTickLabels(ticks);\n var i, ilen;\n\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n if (isNullOrUndef(ticks[i].label)) {\n ticks.splice(i, 1);\n ilen--;\n i--;\n }\n }\n\n me.afterTickToLabelConversion();\n }\n }, {\n key: \"_getLabelSizes\",\n value: function _getLabelSizes() {\n var me = this;\n var labelSizes = me._labelSizes;\n\n if (!labelSizes) {\n var sampleSize = me.options.ticks.sampleSize;\n var ticks = me.ticks;\n\n if (sampleSize < ticks.length) {\n ticks = sample(ticks, sampleSize);\n }\n\n me._labelSizes = labelSizes = me._computeLabelSizes(ticks, ticks.length);\n }\n\n return labelSizes;\n }\n }, {\n key: \"_computeLabelSizes\",\n value: function _computeLabelSizes(ticks, length) {\n var ctx = this.ctx,\n caches = this._longestTextCache;\n var widths = [];\n var heights = [];\n var widestLabelSize = 0;\n var highestLabelSize = 0;\n var i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel;\n\n for (i = 0; i < length; ++i) {\n label = ticks[i].label;\n tickFont = this._resolveTickFontOptions(i);\n ctx.font = fontString = tickFont.string;\n cache = caches[fontString] = caches[fontString] || {\n data: {},\n gc: []\n };\n lineHeight = tickFont.lineHeight;\n width = height = 0;\n\n if (!isNullOrUndef(label) && !isArray(label)) {\n width = _measureText(ctx, cache.data, cache.gc, width, label);\n height = lineHeight;\n } else if (isArray(label)) {\n for (j = 0, jlen = label.length; j < jlen; ++j) {\n nestedLabel = label[j];\n\n if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) {\n width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel);\n height += lineHeight;\n }\n }\n }\n\n widths.push(width);\n heights.push(height);\n widestLabelSize = Math.max(width, widestLabelSize);\n highestLabelSize = Math.max(height, highestLabelSize);\n }\n\n garbageCollect(caches, length);\n var widest = widths.indexOf(widestLabelSize);\n var highest = heights.indexOf(highestLabelSize);\n\n var valueAt = function valueAt(idx) {\n return {\n width: widths[idx] || 0,\n height: heights[idx] || 0\n };\n };\n\n return {\n first: valueAt(0),\n last: valueAt(length - 1),\n widest: valueAt(widest),\n highest: valueAt(highest),\n widths: widths,\n heights: heights\n };\n }\n }, {\n key: \"getLabelForValue\",\n value: function getLabelForValue(value) {\n return value;\n }\n }, {\n key: \"getPixelForValue\",\n value: function getPixelForValue(value, index) {\n return NaN;\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {}\n }, {\n key: \"getPixelForTick\",\n value: function getPixelForTick(index) {\n var ticks = this.ticks;\n\n if (index < 0 || index > ticks.length - 1) {\n return null;\n }\n\n return this.getPixelForValue(ticks[index].value);\n }\n }, {\n key: \"getPixelForDecimal\",\n value: function getPixelForDecimal(decimal) {\n var me = this;\n\n if (me._reversePixels) {\n decimal = 1 - decimal;\n }\n\n var pixel = me._startPixel + decimal * me._length;\n return _int16Range(me._alignToPixels ? _alignPixel(me.chart, pixel, 0) : pixel);\n }\n }, {\n key: \"getDecimalForPixel\",\n value: function getDecimalForPixel(pixel) {\n var decimal = (pixel - this._startPixel) / this._length;\n return this._reversePixels ? 1 - decimal : decimal;\n }\n }, {\n key: \"getBasePixel\",\n value: function getBasePixel() {\n return this.getPixelForValue(this.getBaseValue());\n }\n }, {\n key: \"getBaseValue\",\n value: function getBaseValue() {\n var min = this.min,\n max = this.max;\n return min < 0 && max < 0 ? max : min > 0 && max > 0 ? min : 0;\n }\n }, {\n key: \"getContext\",\n value: function getContext(index) {\n var me = this;\n var ticks = me.ticks || [];\n\n if (index >= 0 && index < ticks.length) {\n var tick = ticks[index];\n return tick.$context || (tick.$context = createTickContext(me.getContext(), index, tick));\n }\n\n return me.$context || (me.$context = createScaleContext(me.chart.getContext(), me));\n }\n }, {\n key: \"_tickSize\",\n value: function _tickSize() {\n var me = this;\n var optionTicks = me.options.ticks;\n var rot = toRadians(me.labelRotation);\n var cos = Math.abs(Math.cos(rot));\n var sin = Math.abs(Math.sin(rot));\n\n var labelSizes = me._getLabelSizes();\n\n var padding = optionTicks.autoSkipPadding || 0;\n var w = labelSizes ? labelSizes.widest.width + padding : 0;\n var h = labelSizes ? labelSizes.highest.height + padding : 0;\n return me.isHorizontal() ? h * cos > w * sin ? w / cos : h / sin : h * sin < w * cos ? h / cos : w / sin;\n }\n }, {\n key: \"_isVisible\",\n value: function _isVisible() {\n var display = this.options.display;\n\n if (display !== 'auto') {\n return !!display;\n }\n\n return this.getMatchingVisibleMetas().length > 0;\n }\n }, {\n key: \"_computeGridLineItems\",\n value: function _computeGridLineItems(chartArea) {\n var me = this;\n var axis = me.axis;\n var chart = me.chart;\n var options = me.options;\n var grid = options.grid,\n position = options.position;\n var offset = grid.offset;\n var isHorizontal = me.isHorizontal();\n var ticks = me.ticks;\n var ticksLength = ticks.length + (offset ? 1 : 0);\n var tl = getTickMarkLength(grid);\n var items = [];\n var borderOpts = grid.setContext(me.getContext());\n var axisWidth = borderOpts.drawBorder ? borderOpts.borderWidth : 0;\n var axisHalfWidth = axisWidth / 2;\n\n var alignBorderValue = function alignBorderValue(pixel) {\n return _alignPixel(chart, pixel, axisWidth);\n };\n\n var borderValue, i, lineValue, alignedLineValue;\n var tx1, ty1, tx2, ty2, x1, y1, x2, y2;\n\n if (position === 'top') {\n borderValue = alignBorderValue(me.bottom);\n ty1 = me.bottom - tl;\n ty2 = borderValue - axisHalfWidth;\n y1 = alignBorderValue(chartArea.top) + axisHalfWidth;\n y2 = chartArea.bottom;\n } else if (position === 'bottom') {\n borderValue = alignBorderValue(me.top);\n y1 = chartArea.top;\n y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth;\n ty1 = borderValue + axisHalfWidth;\n ty2 = me.top + tl;\n } else if (position === 'left') {\n borderValue = alignBorderValue(me.right);\n tx1 = me.right - tl;\n tx2 = borderValue - axisHalfWidth;\n x1 = alignBorderValue(chartArea.left) + axisHalfWidth;\n x2 = chartArea.right;\n } else if (position === 'right') {\n borderValue = alignBorderValue(me.left);\n x1 = chartArea.left;\n x2 = alignBorderValue(chartArea.right) - axisHalfWidth;\n tx1 = borderValue + axisHalfWidth;\n tx2 = me.left + tl;\n } else if (axis === 'x') {\n if (position === 'center') {\n borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5);\n } else if (isObject(position)) {\n var positionAxisID = Object.keys(position)[0];\n var value = position[positionAxisID];\n borderValue = alignBorderValue(me.chart.scales[positionAxisID].getPixelForValue(value));\n }\n\n y1 = chartArea.top;\n y2 = chartArea.bottom;\n ty1 = borderValue + axisHalfWidth;\n ty2 = ty1 + tl;\n } else if (axis === 'y') {\n if (position === 'center') {\n borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2);\n } else if (isObject(position)) {\n var _positionAxisID2 = Object.keys(position)[0];\n var _value2 = position[_positionAxisID2];\n borderValue = alignBorderValue(me.chart.scales[_positionAxisID2].getPixelForValue(_value2));\n }\n\n tx1 = borderValue - axisHalfWidth;\n tx2 = tx1 - tl;\n x1 = chartArea.left;\n x2 = chartArea.right;\n }\n\n var limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength);\n var step = Math.max(1, Math.ceil(ticksLength / limit));\n\n for (i = 0; i < ticksLength; i += step) {\n var optsAtIndex = grid.setContext(me.getContext(i));\n var lineWidth = optsAtIndex.lineWidth;\n var lineColor = optsAtIndex.color;\n var borderDash = grid.borderDash || [];\n var borderDashOffset = optsAtIndex.borderDashOffset;\n var tickWidth = optsAtIndex.tickWidth;\n var tickColor = optsAtIndex.tickColor;\n var tickBorderDash = optsAtIndex.tickBorderDash || [];\n var tickBorderDashOffset = optsAtIndex.tickBorderDashOffset;\n lineValue = getPixelForGridLine(me, i, offset);\n\n if (lineValue === undefined) {\n continue;\n }\n\n alignedLineValue = _alignPixel(chart, lineValue, lineWidth);\n\n if (isHorizontal) {\n tx1 = tx2 = x1 = x2 = alignedLineValue;\n } else {\n ty1 = ty2 = y1 = y2 = alignedLineValue;\n }\n\n items.push({\n tx1: tx1,\n ty1: ty1,\n tx2: tx2,\n ty2: ty2,\n x1: x1,\n y1: y1,\n x2: x2,\n y2: y2,\n width: lineWidth,\n color: lineColor,\n borderDash: borderDash,\n borderDashOffset: borderDashOffset,\n tickWidth: tickWidth,\n tickColor: tickColor,\n tickBorderDash: tickBorderDash,\n tickBorderDashOffset: tickBorderDashOffset\n });\n }\n\n me._ticksLength = ticksLength;\n me._borderValue = borderValue;\n return items;\n }\n }, {\n key: \"_computeLabelItems\",\n value: function _computeLabelItems(chartArea) {\n var me = this;\n var axis = me.axis;\n var options = me.options;\n var position = options.position,\n optionTicks = options.ticks;\n var isHorizontal = me.isHorizontal();\n var ticks = me.ticks;\n var align = optionTicks.align,\n crossAlign = optionTicks.crossAlign,\n padding = optionTicks.padding,\n mirror = optionTicks.mirror;\n var tl = getTickMarkLength(options.grid);\n var tickAndPadding = tl + padding;\n var hTickAndPadding = mirror ? -padding : tickAndPadding;\n var rotation = -toRadians(me.labelRotation);\n var items = [];\n var i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset;\n var textBaseline = 'middle';\n\n if (position === 'top') {\n y = me.bottom - hTickAndPadding;\n textAlign = me._getXAxisLabelAlignment();\n } else if (position === 'bottom') {\n y = me.top + hTickAndPadding;\n textAlign = me._getXAxisLabelAlignment();\n } else if (position === 'left') {\n var ret = me._getYAxisLabelAlignment(tl);\n\n textAlign = ret.textAlign;\n x = ret.x;\n } else if (position === 'right') {\n var _ret = me._getYAxisLabelAlignment(tl);\n\n textAlign = _ret.textAlign;\n x = _ret.x;\n } else if (axis === 'x') {\n if (position === 'center') {\n y = (chartArea.top + chartArea.bottom) / 2 + tickAndPadding;\n } else if (isObject(position)) {\n var positionAxisID = Object.keys(position)[0];\n var value = position[positionAxisID];\n y = me.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding;\n }\n\n textAlign = me._getXAxisLabelAlignment();\n } else if (axis === 'y') {\n if (position === 'center') {\n x = (chartArea.left + chartArea.right) / 2 - tickAndPadding;\n } else if (isObject(position)) {\n var _positionAxisID3 = Object.keys(position)[0];\n var _value3 = position[_positionAxisID3];\n x = me.chart.scales[_positionAxisID3].getPixelForValue(_value3);\n }\n\n textAlign = me._getYAxisLabelAlignment(tl).textAlign;\n }\n\n if (axis === 'y') {\n if (align === 'start') {\n textBaseline = 'top';\n } else if (align === 'end') {\n textBaseline = 'bottom';\n }\n }\n\n var labelSizes = me._getLabelSizes();\n\n for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n tick = ticks[i];\n label = tick.label;\n var optsAtIndex = optionTicks.setContext(me.getContext(i));\n pixel = me.getPixelForTick(i) + optionTicks.labelOffset;\n font = me._resolveTickFontOptions(i);\n lineHeight = font.lineHeight;\n lineCount = isArray(label) ? label.length : 1;\n var halfCount = lineCount / 2;\n var color = optsAtIndex.color;\n var strokeColor = optsAtIndex.textStrokeColor;\n var strokeWidth = optsAtIndex.textStrokeWidth;\n\n if (isHorizontal) {\n x = pixel;\n\n if (position === 'top') {\n if (crossAlign === 'near' || rotation !== 0) {\n textOffset = -lineCount * lineHeight + lineHeight / 2;\n } else if (crossAlign === 'center') {\n textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight;\n } else {\n textOffset = -labelSizes.highest.height + lineHeight / 2;\n }\n } else {\n if (crossAlign === 'near' || rotation !== 0) {\n textOffset = lineHeight / 2;\n } else if (crossAlign === 'center') {\n textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight;\n } else {\n textOffset = labelSizes.highest.height - lineCount * lineHeight;\n }\n }\n\n if (mirror) {\n textOffset *= -1;\n }\n } else {\n y = pixel;\n textOffset = (1 - lineCount) * lineHeight / 2;\n }\n\n var backdrop = void 0;\n\n if (optsAtIndex.showLabelBackdrop) {\n var labelPadding = toPadding(optsAtIndex.backdropPadding);\n var height = labelSizes.heights[i];\n var width = labelSizes.widths[i];\n var top = y + textOffset - labelPadding.top;\n var left = x - labelPadding.left;\n\n switch (textBaseline) {\n case 'middle':\n top -= height / 2;\n break;\n\n case 'bottom':\n top -= height;\n break;\n }\n\n switch (textAlign) {\n case 'center':\n left -= width / 2;\n break;\n\n case 'right':\n left -= width;\n break;\n }\n\n backdrop = {\n left: left,\n top: top,\n width: width + labelPadding.width,\n height: height + labelPadding.height,\n color: optsAtIndex.backdropColor\n };\n }\n\n items.push({\n rotation: rotation,\n label: label,\n font: font,\n color: color,\n strokeColor: strokeColor,\n strokeWidth: strokeWidth,\n textOffset: textOffset,\n textAlign: textAlign,\n textBaseline: textBaseline,\n translation: [x, y],\n backdrop: backdrop\n });\n }\n\n return items;\n }\n }, {\n key: \"_getXAxisLabelAlignment\",\n value: function _getXAxisLabelAlignment() {\n var me = this;\n var _me$options4 = me.options,\n position = _me$options4.position,\n ticks = _me$options4.ticks;\n var rotation = -toRadians(me.labelRotation);\n\n if (rotation) {\n return position === 'top' ? 'left' : 'right';\n }\n\n var align = 'center';\n\n if (ticks.align === 'start') {\n align = 'left';\n } else if (ticks.align === 'end') {\n align = 'right';\n }\n\n return align;\n }\n }, {\n key: \"_getYAxisLabelAlignment\",\n value: function _getYAxisLabelAlignment(tl) {\n var me = this;\n var _me$options5 = me.options,\n position = _me$options5.position,\n _me$options5$ticks = _me$options5.ticks,\n crossAlign = _me$options5$ticks.crossAlign,\n mirror = _me$options5$ticks.mirror,\n padding = _me$options5$ticks.padding;\n\n var labelSizes = me._getLabelSizes();\n\n var tickAndPadding = tl + padding;\n var widest = labelSizes.widest.width;\n var textAlign;\n var x;\n\n if (position === 'left') {\n if (mirror) {\n x = me.right + padding;\n\n if (crossAlign === 'near') {\n textAlign = 'left';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x += widest / 2;\n } else {\n textAlign = 'right';\n x += widest;\n }\n } else {\n x = me.right - tickAndPadding;\n\n if (crossAlign === 'near') {\n textAlign = 'right';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x -= widest / 2;\n } else {\n textAlign = 'left';\n x = me.left;\n }\n }\n } else if (position === 'right') {\n if (mirror) {\n x = me.left + padding;\n\n if (crossAlign === 'near') {\n textAlign = 'right';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x -= widest / 2;\n } else {\n textAlign = 'left';\n x -= widest;\n }\n } else {\n x = me.left + tickAndPadding;\n\n if (crossAlign === 'near') {\n textAlign = 'left';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x += widest / 2;\n } else {\n textAlign = 'right';\n x = me.right;\n }\n }\n } else {\n textAlign = 'right';\n }\n\n return {\n textAlign: textAlign,\n x: x\n };\n }\n }, {\n key: \"_computeLabelArea\",\n value: function _computeLabelArea() {\n var me = this;\n\n if (me.options.ticks.mirror) {\n return;\n }\n\n var chart = me.chart;\n var position = me.options.position;\n\n if (position === 'left' || position === 'right') {\n return {\n top: 0,\n left: me.left,\n bottom: chart.height,\n right: me.right\n };\n }\n\n if (position === 'top' || position === 'bottom') {\n return {\n top: me.top,\n left: 0,\n bottom: me.bottom,\n right: chart.width\n };\n }\n }\n }, {\n key: \"drawBackground\",\n value: function drawBackground() {\n var ctx = this.ctx,\n backgroundColor = this.options.backgroundColor,\n left = this.left,\n top = this.top,\n width = this.width,\n height = this.height;\n\n if (backgroundColor) {\n ctx.save();\n ctx.fillStyle = backgroundColor;\n ctx.fillRect(left, top, width, height);\n ctx.restore();\n }\n }\n }, {\n key: \"getLineWidthForValue\",\n value: function getLineWidthForValue(value) {\n var me = this;\n var grid = me.options.grid;\n\n if (!me._isVisible() || !grid.display) {\n return 0;\n }\n\n var ticks = me.ticks;\n var index = ticks.findIndex(function (t) {\n return t.value === value;\n });\n\n if (index >= 0) {\n var opts = grid.setContext(me.getContext(index));\n return opts.lineWidth;\n }\n\n return 0;\n }\n }, {\n key: \"drawGrid\",\n value: function drawGrid(chartArea) {\n var me = this;\n var grid = me.options.grid;\n var ctx = me.ctx;\n\n var items = me._gridLineItems || (me._gridLineItems = me._computeGridLineItems(chartArea));\n\n var i, ilen;\n\n var drawLine = function drawLine(p1, p2, style) {\n if (!style.width || !style.color) {\n return;\n }\n\n ctx.save();\n ctx.lineWidth = style.width;\n ctx.strokeStyle = style.color;\n ctx.setLineDash(style.borderDash || []);\n ctx.lineDashOffset = style.borderDashOffset;\n ctx.beginPath();\n ctx.moveTo(p1.x, p1.y);\n ctx.lineTo(p2.x, p2.y);\n ctx.stroke();\n ctx.restore();\n };\n\n if (grid.display) {\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n var item = items[i];\n\n if (grid.drawOnChartArea) {\n drawLine({\n x: item.x1,\n y: item.y1\n }, {\n x: item.x2,\n y: item.y2\n }, item);\n }\n\n if (grid.drawTicks) {\n drawLine({\n x: item.tx1,\n y: item.ty1\n }, {\n x: item.tx2,\n y: item.ty2\n }, {\n color: item.tickColor,\n width: item.tickWidth,\n borderDash: item.tickBorderDash,\n borderDashOffset: item.tickBorderDashOffset\n });\n }\n }\n }\n }\n }, {\n key: \"drawBorder\",\n value: function drawBorder() {\n var me = this;\n var chart = me.chart,\n ctx = me.ctx,\n grid = me.options.grid;\n var borderOpts = grid.setContext(me.getContext());\n var axisWidth = grid.drawBorder ? borderOpts.borderWidth : 0;\n\n if (!axisWidth) {\n return;\n }\n\n var lastLineWidth = grid.setContext(me.getContext(0)).lineWidth;\n var borderValue = me._borderValue;\n var x1, x2, y1, y2;\n\n if (me.isHorizontal()) {\n x1 = _alignPixel(chart, me.left, axisWidth) - axisWidth / 2;\n x2 = _alignPixel(chart, me.right, lastLineWidth) + lastLineWidth / 2;\n y1 = y2 = borderValue;\n } else {\n y1 = _alignPixel(chart, me.top, axisWidth) - axisWidth / 2;\n y2 = _alignPixel(chart, me.bottom, lastLineWidth) + lastLineWidth / 2;\n x1 = x2 = borderValue;\n }\n\n ctx.save();\n ctx.lineWidth = borderOpts.borderWidth;\n ctx.strokeStyle = borderOpts.borderColor;\n ctx.beginPath();\n ctx.moveTo(x1, y1);\n ctx.lineTo(x2, y2);\n ctx.stroke();\n ctx.restore();\n }\n }, {\n key: \"drawLabels\",\n value: function drawLabels(chartArea) {\n var me = this;\n var optionTicks = me.options.ticks;\n\n if (!optionTicks.display) {\n return;\n }\n\n var ctx = me.ctx;\n\n var area = me._computeLabelArea();\n\n if (area) {\n clipArea(ctx, area);\n }\n\n var items = me._labelItems || (me._labelItems = me._computeLabelItems(chartArea));\n\n var i, ilen;\n\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n var item = items[i];\n var tickFont = item.font;\n var label = item.label;\n\n if (item.backdrop) {\n ctx.fillStyle = item.backdrop.color;\n ctx.fillRect(item.backdrop.left, item.backdrop.top, item.backdrop.width, item.backdrop.height);\n }\n\n var y = item.textOffset;\n renderText(ctx, label, 0, y, tickFont, item);\n }\n\n if (area) {\n unclipArea(ctx);\n }\n }\n }, {\n key: \"drawTitle\",\n value: function drawTitle() {\n var ctx = this.ctx,\n _this$options2 = this.options,\n position = _this$options2.position,\n title = _this$options2.title,\n reverse = _this$options2.reverse;\n\n if (!title.display) {\n return;\n }\n\n var font = toFont(title.font);\n var padding = toPadding(title.padding);\n var align = title.align;\n var offset = font.lineHeight / 2;\n\n if (position === 'bottom' || position === 'center' || isObject(position)) {\n offset += padding.bottom;\n\n if (isArray(title.text)) {\n offset += font.lineHeight * (title.text.length - 1);\n }\n } else {\n offset += padding.top;\n }\n\n var _titleArgs = titleArgs(this, offset, position, align),\n titleX = _titleArgs.titleX,\n titleY = _titleArgs.titleY,\n maxWidth = _titleArgs.maxWidth,\n rotation = _titleArgs.rotation;\n\n renderText(ctx, title.text, 0, 0, font, {\n color: title.color,\n maxWidth: maxWidth,\n rotation: rotation,\n textAlign: titleAlign(align, position, reverse),\n textBaseline: 'middle',\n translation: [titleX, titleY]\n });\n }\n }, {\n key: \"draw\",\n value: function draw(chartArea) {\n var me = this;\n\n if (!me._isVisible()) {\n return;\n }\n\n me.drawBackground();\n me.drawGrid(chartArea);\n me.drawBorder();\n me.drawTitle();\n me.drawLabels(chartArea);\n }\n }, {\n key: \"_layers\",\n value: function _layers() {\n var me = this;\n var opts = me.options;\n var tz = opts.ticks && opts.ticks.z || 0;\n var gz = valueOrDefault(opts.grid && opts.grid.z, -1);\n\n if (!me._isVisible() || me.draw !== Scale.prototype.draw) {\n return [{\n z: tz,\n draw: function draw(chartArea) {\n me.draw(chartArea);\n }\n }];\n }\n\n return [{\n z: gz,\n draw: function draw(chartArea) {\n me.drawBackground();\n me.drawGrid(chartArea);\n me.drawTitle();\n }\n }, {\n z: gz + 1,\n draw: function draw() {\n me.drawBorder();\n }\n }, {\n z: tz,\n draw: function draw(chartArea) {\n me.drawLabels(chartArea);\n }\n }];\n }\n }, {\n key: \"getMatchingVisibleMetas\",\n value: function getMatchingVisibleMetas(type) {\n var me = this;\n var metas = me.chart.getSortedVisibleDatasetMetas();\n var axisID = me.axis + 'AxisID';\n var result = [];\n var i, ilen;\n\n for (i = 0, ilen = metas.length; i < ilen; ++i) {\n var meta = metas[i];\n\n if (meta[axisID] === me.id && (!type || meta.type === type)) {\n result.push(meta);\n }\n }\n\n return result;\n }\n }, {\n key: \"_resolveTickFontOptions\",\n value: function _resolveTickFontOptions(index) {\n var opts = this.options.ticks.setContext(this.getContext(index));\n return toFont(opts.font);\n }\n }, {\n key: \"_maxDigits\",\n value: function _maxDigits() {\n var me = this;\n\n var fontSize = me._resolveTickFontOptions(0).lineHeight;\n\n return (me.isHorizontal() ? me.width : me.height) / fontSize;\n }\n }]);\n\n return Scale;\n}(Element);\n\nvar TypedRegistry = /*#__PURE__*/function () {\n function TypedRegistry(type, scope, override) {\n _classCallCheck(this, TypedRegistry);\n\n this.type = type;\n this.scope = scope;\n this.override = override;\n this.items = Object.create(null);\n }\n\n _createClass(TypedRegistry, [{\n key: \"isForType\",\n value: function isForType(type) {\n return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype);\n }\n }, {\n key: \"register\",\n value: function register(item) {\n var me = this;\n var proto = Object.getPrototypeOf(item);\n var parentScope;\n\n if (isIChartComponent(proto)) {\n parentScope = me.register(proto);\n }\n\n var items = me.items;\n var id = item.id;\n var scope = me.scope + '.' + id;\n\n if (!id) {\n throw new Error('class does not have id: ' + item);\n }\n\n if (id in items) {\n return scope;\n }\n\n items[id] = item;\n registerDefaults(item, scope, parentScope);\n\n if (me.override) {\n defaults.override(item.id, item.overrides);\n }\n\n return scope;\n }\n }, {\n key: \"get\",\n value: function get(id) {\n return this.items[id];\n }\n }, {\n key: \"unregister\",\n value: function unregister(item) {\n var items = this.items;\n var id = item.id;\n var scope = this.scope;\n\n if (id in items) {\n delete items[id];\n }\n\n if (scope && id in defaults[scope]) {\n delete defaults[scope][id];\n\n if (this.override) {\n delete overrides[id];\n }\n }\n }\n }]);\n\n return TypedRegistry;\n}();\n\nfunction registerDefaults(item, scope, parentScope) {\n var itemDefaults = merge(Object.create(null), [parentScope ? defaults.get(parentScope) : {}, defaults.get(scope), item.defaults]);\n defaults.set(scope, itemDefaults);\n\n if (item.defaultRoutes) {\n routeDefaults(scope, item.defaultRoutes);\n }\n\n if (item.descriptors) {\n defaults.describe(scope, item.descriptors);\n }\n}\n\nfunction routeDefaults(scope, routes) {\n Object.keys(routes).forEach(function (property) {\n var propertyParts = property.split('.');\n var sourceName = propertyParts.pop();\n var sourceScope = [scope].concat(propertyParts).join('.');\n var parts = routes[property].split('.');\n var targetName = parts.pop();\n var targetScope = parts.join('.');\n defaults.route(sourceScope, sourceName, targetScope, targetName);\n });\n}\n\nfunction isIChartComponent(proto) {\n return 'id' in proto && 'defaults' in proto;\n}\n\nvar Registry = /*#__PURE__*/function () {\n function Registry() {\n _classCallCheck(this, Registry);\n\n this.controllers = new TypedRegistry(DatasetController, 'datasets', true);\n this.elements = new TypedRegistry(Element, 'elements');\n this.plugins = new TypedRegistry(Object, 'plugins');\n this.scales = new TypedRegistry(Scale, 'scales');\n this._typedRegistries = [this.controllers, this.scales, this.elements];\n }\n\n _createClass(Registry, [{\n key: \"add\",\n value: function add() {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n this._each('register', args);\n }\n }, {\n key: \"remove\",\n value: function remove() {\n for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n args[_key2] = arguments[_key2];\n }\n\n this._each('unregister', args);\n }\n }, {\n key: \"addControllers\",\n value: function addControllers() {\n for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n args[_key3] = arguments[_key3];\n }\n\n this._each('register', args, this.controllers);\n }\n }, {\n key: \"addElements\",\n value: function addElements() {\n for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n args[_key4] = arguments[_key4];\n }\n\n this._each('register', args, this.elements);\n }\n }, {\n key: \"addPlugins\",\n value: function addPlugins() {\n for (var _len5 = arguments.length, args = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {\n args[_key5] = arguments[_key5];\n }\n\n this._each('register', args, this.plugins);\n }\n }, {\n key: \"addScales\",\n value: function addScales() {\n for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {\n args[_key6] = arguments[_key6];\n }\n\n this._each('register', args, this.scales);\n }\n }, {\n key: \"getController\",\n value: function getController(id) {\n return this._get(id, this.controllers, 'controller');\n }\n }, {\n key: \"getElement\",\n value: function getElement(id) {\n return this._get(id, this.elements, 'element');\n }\n }, {\n key: \"getPlugin\",\n value: function getPlugin(id) {\n return this._get(id, this.plugins, 'plugin');\n }\n }, {\n key: \"getScale\",\n value: function getScale(id) {\n return this._get(id, this.scales, 'scale');\n }\n }, {\n key: \"removeControllers\",\n value: function removeControllers() {\n for (var _len7 = arguments.length, args = new Array(_len7), _key7 = 0; _key7 < _len7; _key7++) {\n args[_key7] = arguments[_key7];\n }\n\n this._each('unregister', args, this.controllers);\n }\n }, {\n key: \"removeElements\",\n value: function removeElements() {\n for (var _len8 = arguments.length, args = new Array(_len8), _key8 = 0; _key8 < _len8; _key8++) {\n args[_key8] = arguments[_key8];\n }\n\n this._each('unregister', args, this.elements);\n }\n }, {\n key: \"removePlugins\",\n value: function removePlugins() {\n for (var _len9 = arguments.length, args = new Array(_len9), _key9 = 0; _key9 < _len9; _key9++) {\n args[_key9] = arguments[_key9];\n }\n\n this._each('unregister', args, this.plugins);\n }\n }, {\n key: \"removeScales\",\n value: function removeScales() {\n for (var _len10 = arguments.length, args = new Array(_len10), _key10 = 0; _key10 < _len10; _key10++) {\n args[_key10] = arguments[_key10];\n }\n\n this._each('unregister', args, this.scales);\n }\n }, {\n key: \"_each\",\n value: function _each(method, args, typedRegistry) {\n var me = this;\n\n _toConsumableArray(args).forEach(function (arg) {\n var reg = typedRegistry || me._getRegistryForType(arg);\n\n if (typedRegistry || reg.isForType(arg) || reg === me.plugins && arg.id) {\n me._exec(method, reg, arg);\n } else {\n each(arg, function (item) {\n var itemReg = typedRegistry || me._getRegistryForType(item);\n\n me._exec(method, itemReg, item);\n });\n }\n });\n }\n }, {\n key: \"_exec\",\n value: function _exec(method, registry, component) {\n var camelMethod = _capitalize(method);\n\n callback(component['before' + camelMethod], [], component);\n registry[method](component);\n callback(component['after' + camelMethod], [], component);\n }\n }, {\n key: \"_getRegistryForType\",\n value: function _getRegistryForType(type) {\n for (var i = 0; i < this._typedRegistries.length; i++) {\n var reg = this._typedRegistries[i];\n\n if (reg.isForType(type)) {\n return reg;\n }\n }\n\n return this.plugins;\n }\n }, {\n key: \"_get\",\n value: function _get(id, typedRegistry, type) {\n var item = typedRegistry.get(id);\n\n if (item === undefined) {\n throw new Error('\"' + id + '\" is not a registered ' + type + '.');\n }\n\n return item;\n }\n }]);\n\n return Registry;\n}();\n\nvar registry = new Registry();\n\nvar PluginService = /*#__PURE__*/function () {\n function PluginService() {\n _classCallCheck(this, PluginService);\n\n this._init = [];\n }\n\n _createClass(PluginService, [{\n key: \"notify\",\n value: function notify(chart, hook, args, filter) {\n var me = this;\n\n if (hook === 'beforeInit') {\n me._init = me._createDescriptors(chart, true);\n\n me._notify(me._init, chart, 'install');\n }\n\n var descriptors = filter ? me._descriptors(chart).filter(filter) : me._descriptors(chart);\n\n var result = me._notify(descriptors, chart, hook, args);\n\n if (hook === 'destroy') {\n me._notify(descriptors, chart, 'stop');\n\n me._notify(me._init, chart, 'uninstall');\n }\n\n return result;\n }\n }, {\n key: \"_notify\",\n value: function _notify(descriptors, chart, hook, args) {\n args = args || {};\n\n var _iterator7 = _createForOfIteratorHelper(descriptors),\n _step7;\n\n try {\n for (_iterator7.s(); !(_step7 = _iterator7.n()).done;) {\n var descriptor = _step7.value;\n var plugin = descriptor.plugin;\n var method = plugin[hook];\n var params = [chart, args, descriptor.options];\n\n if (callback(method, params, plugin) === false && args.cancelable) {\n return false;\n }\n }\n } catch (err) {\n _iterator7.e(err);\n } finally {\n _iterator7.f();\n }\n\n return true;\n }\n }, {\n key: \"invalidate\",\n value: function invalidate() {\n if (!isNullOrUndef(this._cache)) {\n this._oldCache = this._cache;\n this._cache = undefined;\n }\n }\n }, {\n key: \"_descriptors\",\n value: function _descriptors(chart) {\n if (this._cache) {\n return this._cache;\n }\n\n var descriptors = this._cache = this._createDescriptors(chart);\n\n this._notifyStateChanges(chart);\n\n return descriptors;\n }\n }, {\n key: \"_createDescriptors\",\n value: function _createDescriptors(chart, all) {\n var config = chart && chart.config;\n var options = valueOrDefault(config.options && config.options.plugins, {});\n var plugins = allPlugins(config);\n return options === false && !all ? [] : createDescriptors(chart, plugins, options, all);\n }\n }, {\n key: \"_notifyStateChanges\",\n value: function _notifyStateChanges(chart) {\n var previousDescriptors = this._oldCache || [];\n var descriptors = this._cache;\n\n var diff = function diff(a, b) {\n return a.filter(function (x) {\n return !b.some(function (y) {\n return x.plugin.id === y.plugin.id;\n });\n });\n };\n\n this._notify(diff(previousDescriptors, descriptors), chart, 'stop');\n\n this._notify(diff(descriptors, previousDescriptors), chart, 'start');\n }\n }]);\n\n return PluginService;\n}();\n\nfunction allPlugins(config) {\n var plugins = [];\n var keys = Object.keys(registry.plugins.items);\n\n for (var i = 0; i < keys.length; i++) {\n plugins.push(registry.getPlugin(keys[i]));\n }\n\n var local = config.plugins || [];\n\n for (var _i2 = 0; _i2 < local.length; _i2++) {\n var plugin = local[_i2];\n\n if (plugins.indexOf(plugin) === -1) {\n plugins.push(plugin);\n }\n }\n\n return plugins;\n}\n\nfunction getOpts(options, all) {\n if (!all && options === false) {\n return null;\n }\n\n if (options === true) {\n return {};\n }\n\n return options;\n}\n\nfunction createDescriptors(chart, plugins, options, all) {\n var result = [];\n var context = chart.getContext();\n\n for (var i = 0; i < plugins.length; i++) {\n var plugin = plugins[i];\n var id = plugin.id;\n var opts = getOpts(options[id], all);\n\n if (opts === null) {\n continue;\n }\n\n result.push({\n plugin: plugin,\n options: pluginOpts(chart.config, plugin, opts, context)\n });\n }\n\n return result;\n}\n\nfunction pluginOpts(config, plugin, opts, context) {\n var keys = config.pluginScopeKeys(plugin);\n var scopes = config.getOptionScopes(opts, keys);\n return config.createResolver(scopes, context, [''], {\n scriptable: false,\n indexable: false,\n allKeys: true\n });\n}\n\nfunction getIndexAxis(type, options) {\n var datasetDefaults = defaults.datasets[type] || {};\n var datasetOptions = (options.datasets || {})[type] || {};\n return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x';\n}\n\nfunction getAxisFromDefaultScaleID(id, indexAxis) {\n var axis = id;\n\n if (id === '_index_') {\n axis = indexAxis;\n } else if (id === '_value_') {\n axis = indexAxis === 'x' ? 'y' : 'x';\n }\n\n return axis;\n}\n\nfunction getDefaultScaleIDFromAxis(axis, indexAxis) {\n return axis === indexAxis ? '_index_' : '_value_';\n}\n\nfunction axisFromPosition(position) {\n if (position === 'top' || position === 'bottom') {\n return 'x';\n }\n\n if (position === 'left' || position === 'right') {\n return 'y';\n }\n}\n\nfunction determineAxis(id, scaleOptions) {\n if (id === 'x' || id === 'y') {\n return id;\n }\n\n return scaleOptions.axis || axisFromPosition(scaleOptions.position) || id.charAt(0).toLowerCase();\n}\n\nfunction mergeScaleConfig(config, options) {\n var chartDefaults = overrides[config.type] || {\n scales: {}\n };\n var configScales = options.scales || {};\n var chartIndexAxis = getIndexAxis(config.type, options);\n var firstIDs = Object.create(null);\n var scales = Object.create(null);\n Object.keys(configScales).forEach(function (id) {\n var scaleConf = configScales[id];\n var axis = determineAxis(id, scaleConf);\n var defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis);\n var defaultScaleOptions = chartDefaults.scales || {};\n firstIDs[axis] = firstIDs[axis] || id;\n scales[id] = mergeIf(Object.create(null), [{\n axis: axis\n }, scaleConf, defaultScaleOptions[axis], defaultScaleOptions[defaultId]]);\n });\n config.data.datasets.forEach(function (dataset) {\n var type = dataset.type || config.type;\n var indexAxis = dataset.indexAxis || getIndexAxis(type, options);\n var datasetDefaults = overrides[type] || {};\n var defaultScaleOptions = datasetDefaults.scales || {};\n Object.keys(defaultScaleOptions).forEach(function (defaultID) {\n var axis = getAxisFromDefaultScaleID(defaultID, indexAxis);\n var id = dataset[axis + 'AxisID'] || firstIDs[axis] || axis;\n scales[id] = scales[id] || Object.create(null);\n mergeIf(scales[id], [{\n axis: axis\n }, configScales[id], defaultScaleOptions[defaultID]]);\n });\n });\n Object.keys(scales).forEach(function (key) {\n var scale = scales[key];\n mergeIf(scale, [defaults.scales[scale.type], defaults.scale]);\n });\n return scales;\n}\n\nfunction initOptions(config) {\n var options = config.options || (config.options = {});\n options.plugins = valueOrDefault(options.plugins, {});\n options.scales = mergeScaleConfig(config, options);\n}\n\nfunction initData(data) {\n data = data || {};\n data.datasets = data.datasets || [];\n data.labels = data.labels || [];\n return data;\n}\n\nfunction initConfig(config) {\n config = config || {};\n config.data = initData(config.data);\n initOptions(config);\n return config;\n}\n\nvar keyCache = new Map();\nvar keysCached = new Set();\n\nfunction cachedKeys(cacheKey, generate) {\n var keys = keyCache.get(cacheKey);\n\n if (!keys) {\n keys = generate();\n keyCache.set(cacheKey, keys);\n keysCached.add(keys);\n }\n\n return keys;\n}\n\nvar addIfFound = function addIfFound(set, obj, key) {\n var opts = resolveObjectKey(obj, key);\n\n if (opts !== undefined) {\n set.add(opts);\n }\n};\n\nvar Config = /*#__PURE__*/function () {\n function Config(config) {\n _classCallCheck(this, Config);\n\n this._config = initConfig(config);\n this._scopeCache = new Map();\n this._resolverCache = new Map();\n }\n\n _createClass(Config, [{\n key: \"update\",\n value: function update() {\n var config = this._config;\n this.clearCache();\n initOptions(config);\n }\n }, {\n key: \"clearCache\",\n value: function clearCache() {\n this._scopeCache.clear();\n\n this._resolverCache.clear();\n }\n }, {\n key: \"datasetScopeKeys\",\n value: function datasetScopeKeys(datasetType) {\n return cachedKeys(datasetType, function () {\n return [[\"datasets.\".concat(datasetType), '']];\n });\n }\n }, {\n key: \"datasetAnimationScopeKeys\",\n value: function datasetAnimationScopeKeys(datasetType, transition) {\n return cachedKeys(\"\".concat(datasetType, \".transition.\").concat(transition), function () {\n return [[\"datasets.\".concat(datasetType, \".transitions.\").concat(transition), \"transitions.\".concat(transition)], [\"datasets.\".concat(datasetType), '']];\n });\n }\n }, {\n key: \"datasetElementScopeKeys\",\n value: function datasetElementScopeKeys(datasetType, elementType) {\n return cachedKeys(\"\".concat(datasetType, \"-\").concat(elementType), function () {\n return [[\"datasets.\".concat(datasetType, \".elements.\").concat(elementType), \"datasets.\".concat(datasetType), \"elements.\".concat(elementType), '']];\n });\n }\n }, {\n key: \"pluginScopeKeys\",\n value: function pluginScopeKeys(plugin) {\n var id = plugin.id;\n var type = this.type;\n return cachedKeys(\"\".concat(type, \"-plugin-\").concat(id), function () {\n return [[\"plugins.\".concat(id)].concat(_toConsumableArray(plugin.additionalOptionScopes || []))];\n });\n }\n }, {\n key: \"_cachedScopes\",\n value: function _cachedScopes(mainScope, resetCache) {\n var _scopeCache = this._scopeCache;\n\n var cache = _scopeCache.get(mainScope);\n\n if (!cache || resetCache) {\n cache = new Map();\n\n _scopeCache.set(mainScope, cache);\n }\n\n return cache;\n }\n }, {\n key: \"getOptionScopes\",\n value: function getOptionScopes(mainScope, keyLists, resetCache) {\n var options = this.options,\n type = this.type;\n\n var cache = this._cachedScopes(mainScope, resetCache);\n\n var cached = cache.get(keyLists);\n\n if (cached) {\n return cached;\n }\n\n var scopes = new Set();\n keyLists.forEach(function (keys) {\n if (mainScope) {\n scopes.add(mainScope);\n keys.forEach(function (key) {\n return addIfFound(scopes, mainScope, key);\n });\n }\n\n keys.forEach(function (key) {\n return addIfFound(scopes, options, key);\n });\n keys.forEach(function (key) {\n return addIfFound(scopes, overrides[type] || {}, key);\n });\n keys.forEach(function (key) {\n return addIfFound(scopes, defaults, key);\n });\n keys.forEach(function (key) {\n return addIfFound(scopes, descriptors, key);\n });\n });\n var array = Array.from(scopes);\n\n if (array.length === 0) {\n array.push(Object.create(null));\n }\n\n if (keysCached.has(keyLists)) {\n cache.set(keyLists, array);\n }\n\n return array;\n }\n }, {\n key: \"chartOptionScopes\",\n value: function chartOptionScopes() {\n var options = this.options,\n type = this.type;\n return [options, overrides[type] || {}, defaults.datasets[type] || {}, {\n type: type\n }, defaults, descriptors];\n }\n }, {\n key: \"resolveNamedOptions\",\n value: function resolveNamedOptions(scopes, names, context) {\n var prefixes = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : [''];\n var result = {\n $shared: true\n };\n\n var _getResolver = getResolver(this._resolverCache, scopes, prefixes),\n resolver = _getResolver.resolver,\n subPrefixes = _getResolver.subPrefixes;\n\n var options = resolver;\n\n if (needContext(resolver, names)) {\n result.$shared = false;\n context = isFunction(context) ? context() : context;\n var subResolver = this.createResolver(scopes, context, subPrefixes);\n options = _attachContext(resolver, context, subResolver);\n }\n\n var _iterator8 = _createForOfIteratorHelper(names),\n _step8;\n\n try {\n for (_iterator8.s(); !(_step8 = _iterator8.n()).done;) {\n var prop = _step8.value;\n result[prop] = options[prop];\n }\n } catch (err) {\n _iterator8.e(err);\n } finally {\n _iterator8.f();\n }\n\n return result;\n }\n }, {\n key: \"createResolver\",\n value: function createResolver(scopes, context) {\n var prefixes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [''];\n var descriptorDefaults = arguments.length > 3 ? arguments[3] : undefined;\n\n var _getResolver2 = getResolver(this._resolverCache, scopes, prefixes),\n resolver = _getResolver2.resolver;\n\n return isObject(context) ? _attachContext(resolver, context, undefined, descriptorDefaults) : resolver;\n }\n }, {\n key: \"platform\",\n get: function get() {\n return this._config.platform;\n }\n }, {\n key: \"type\",\n get: function get() {\n return this._config.type;\n },\n set: function set(type) {\n this._config.type = type;\n }\n }, {\n key: \"data\",\n get: function get() {\n return this._config.data;\n },\n set: function set(data) {\n this._config.data = initData(data);\n }\n }, {\n key: \"options\",\n get: function get() {\n return this._config.options;\n },\n set: function set(options) {\n this._config.options = options;\n }\n }, {\n key: \"plugins\",\n get: function get() {\n return this._config.plugins;\n }\n }]);\n\n return Config;\n}();\n\nfunction getResolver(resolverCache, scopes, prefixes) {\n var cache = resolverCache.get(scopes);\n\n if (!cache) {\n cache = new Map();\n resolverCache.set(scopes, cache);\n }\n\n var cacheKey = prefixes.join();\n var cached = cache.get(cacheKey);\n\n if (!cached) {\n var resolver = _createResolver(scopes, prefixes);\n\n cached = {\n resolver: resolver,\n subPrefixes: prefixes.filter(function (p) {\n return !p.toLowerCase().includes('hover');\n })\n };\n cache.set(cacheKey, cached);\n }\n\n return cached;\n}\n\nfunction needContext(proxy, names) {\n var _descriptors2 = _descriptors(proxy),\n isScriptable = _descriptors2.isScriptable,\n isIndexable = _descriptors2.isIndexable;\n\n var _iterator9 = _createForOfIteratorHelper(names),\n _step9;\n\n try {\n for (_iterator9.s(); !(_step9 = _iterator9.n()).done;) {\n var prop = _step9.value;\n\n if (isScriptable(prop) && isFunction(proxy[prop]) || isIndexable(prop) && isArray(proxy[prop])) {\n return true;\n }\n }\n } catch (err) {\n _iterator9.e(err);\n } finally {\n _iterator9.f();\n }\n\n return false;\n}\n\nvar version = \"3.5.1\";\nvar KNOWN_POSITIONS = ['top', 'bottom', 'left', 'right', 'chartArea'];\n\nfunction positionIsHorizontal(position, axis) {\n return position === 'top' || position === 'bottom' || KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x';\n}\n\nfunction compare2Level(l1, l2) {\n return function (a, b) {\n return a[l1] === b[l1] ? a[l2] - b[l2] : a[l1] - b[l1];\n };\n}\n\nfunction onAnimationsComplete(context) {\n var chart = context.chart;\n var animationOptions = chart.options.animation;\n chart.notifyPlugins('afterRender');\n callback(animationOptions && animationOptions.onComplete, [context], chart);\n}\n\nfunction onAnimationProgress(context) {\n var chart = context.chart;\n var animationOptions = chart.options.animation;\n callback(animationOptions && animationOptions.onProgress, [context], chart);\n}\n\nfunction getCanvas(item) {\n if (_isDomSupported() && typeof item === 'string') {\n item = document.getElementById(item);\n } else if (item && item.length) {\n item = item[0];\n }\n\n if (item && item.canvas) {\n item = item.canvas;\n }\n\n return item;\n}\n\nvar instances = {};\n\nvar getChart = function getChart(key) {\n var canvas = getCanvas(key);\n return Object.values(instances).filter(function (c) {\n return c.canvas === canvas;\n }).pop();\n};\n\nvar Chart = /*#__PURE__*/function () {\n function Chart(item, userConfig) {\n var _this5 = this;\n\n _classCallCheck(this, Chart);\n\n var me = this;\n var config = this.config = new Config(userConfig);\n var initialCanvas = getCanvas(item);\n var existingChart = getChart(initialCanvas);\n\n if (existingChart) {\n throw new Error('Canvas is already in use. Chart with ID \\'' + existingChart.id + '\\'' + ' must be destroyed before the canvas can be reused.');\n }\n\n var options = config.createResolver(config.chartOptionScopes(), me.getContext());\n this.platform = new (config.platform || _detectPlatform(initialCanvas))();\n var context = me.platform.acquireContext(initialCanvas, options.aspectRatio);\n var canvas = context && context.canvas;\n var height = canvas && canvas.height;\n var width = canvas && canvas.width;\n this.id = uid();\n this.ctx = context;\n this.canvas = canvas;\n this.width = width;\n this.height = height;\n this._options = options;\n this._aspectRatio = this.aspectRatio;\n this._layers = [];\n this._metasets = [];\n this._stacks = undefined;\n this.boxes = [];\n this.currentDevicePixelRatio = undefined;\n this.chartArea = undefined;\n this._active = [];\n this._lastEvent = undefined;\n this._listeners = {};\n this._responsiveListeners = undefined;\n this._sortedMetasets = [];\n this.scales = {};\n this._plugins = new PluginService();\n this.$proxies = {};\n this._hiddenIndices = {};\n this.attached = false;\n this._animationsDisabled = undefined;\n this.$context = undefined;\n this._doResize = debounce(function () {\n return _this5.update('resize');\n }, options.resizeDelay || 0);\n instances[me.id] = me;\n\n if (!context || !canvas) {\n console.error(\"Failed to create chart: can't acquire context from the given item\");\n return;\n }\n\n animator.listen(me, 'complete', onAnimationsComplete);\n animator.listen(me, 'progress', onAnimationProgress);\n\n me._initialize();\n\n if (me.attached) {\n me.update();\n }\n }\n\n _createClass(Chart, [{\n key: \"_initialize\",\n value: function _initialize() {\n var me = this;\n me.notifyPlugins('beforeInit');\n\n if (me.options.responsive) {\n me.resize();\n } else {\n retinaScale(me, me.options.devicePixelRatio);\n }\n\n me.bindEvents();\n me.notifyPlugins('afterInit');\n return me;\n }\n }, {\n key: \"clear\",\n value: function clear() {\n clearCanvas(this.canvas, this.ctx);\n return this;\n }\n }, {\n key: \"stop\",\n value: function stop() {\n animator.stop(this);\n return this;\n }\n }, {\n key: \"resize\",\n value: function resize(width, height) {\n if (!animator.running(this)) {\n this._resize(width, height);\n } else {\n this._resizeBeforeDraw = {\n width: width,\n height: height\n };\n }\n }\n }, {\n key: \"_resize\",\n value: function _resize(width, height) {\n var me = this;\n var options = me.options;\n var canvas = me.canvas;\n var aspectRatio = options.maintainAspectRatio && me.aspectRatio;\n var newSize = me.platform.getMaximumSize(canvas, width, height, aspectRatio);\n var newRatio = options.devicePixelRatio || me.platform.getDevicePixelRatio();\n me.width = newSize.width;\n me.height = newSize.height;\n me._aspectRatio = me.aspectRatio;\n\n if (!retinaScale(me, newRatio, true)) {\n return;\n }\n\n me.notifyPlugins('resize', {\n size: newSize\n });\n callback(options.onResize, [me, newSize], me);\n\n if (me.attached) {\n if (me._doResize()) {\n me.render();\n }\n }\n }\n }, {\n key: \"ensureScalesHaveIDs\",\n value: function ensureScalesHaveIDs() {\n var options = this.options;\n var scalesOptions = options.scales || {};\n each(scalesOptions, function (axisOptions, axisID) {\n axisOptions.id = axisID;\n });\n }\n }, {\n key: \"buildOrUpdateScales\",\n value: function buildOrUpdateScales() {\n var me = this;\n var options = me.options;\n var scaleOpts = options.scales;\n var scales = me.scales;\n var updated = Object.keys(scales).reduce(function (obj, id) {\n obj[id] = false;\n return obj;\n }, {});\n var items = [];\n\n if (scaleOpts) {\n items = items.concat(Object.keys(scaleOpts).map(function (id) {\n var scaleOptions = scaleOpts[id];\n var axis = determineAxis(id, scaleOptions);\n var isRadial = axis === 'r';\n var isHorizontal = axis === 'x';\n return {\n options: scaleOptions,\n dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left',\n dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear'\n };\n }));\n }\n\n each(items, function (item) {\n var scaleOptions = item.options;\n var id = scaleOptions.id;\n var axis = determineAxis(id, scaleOptions);\n var scaleType = valueOrDefault(scaleOptions.type, item.dtype);\n\n if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) {\n scaleOptions.position = item.dposition;\n }\n\n updated[id] = true;\n var scale = null;\n\n if (id in scales && scales[id].type === scaleType) {\n scale = scales[id];\n } else {\n var scaleClass = registry.getScale(scaleType);\n scale = new scaleClass({\n id: id,\n type: scaleType,\n ctx: me.ctx,\n chart: me\n });\n scales[scale.id] = scale;\n }\n\n scale.init(scaleOptions, options);\n });\n each(updated, function (hasUpdated, id) {\n if (!hasUpdated) {\n delete scales[id];\n }\n });\n each(scales, function (scale) {\n layouts.configure(me, scale, scale.options);\n layouts.addBox(me, scale);\n });\n }\n }, {\n key: \"_updateMetasets\",\n value: function _updateMetasets() {\n var me = this;\n var metasets = me._metasets;\n var numData = me.data.datasets.length;\n var numMeta = metasets.length;\n metasets.sort(function (a, b) {\n return a.index - b.index;\n });\n\n if (numMeta > numData) {\n for (var i = numData; i < numMeta; ++i) {\n me._destroyDatasetMeta(i);\n }\n\n metasets.splice(numData, numMeta - numData);\n }\n\n me._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index'));\n }\n }, {\n key: \"_removeUnreferencedMetasets\",\n value: function _removeUnreferencedMetasets() {\n var me = this;\n var metasets = me._metasets,\n datasets = me.data.datasets;\n\n if (metasets.length > datasets.length) {\n delete me._stacks;\n }\n\n metasets.forEach(function (meta, index) {\n if (datasets.filter(function (x) {\n return x === meta._dataset;\n }).length === 0) {\n me._destroyDatasetMeta(index);\n }\n });\n }\n }, {\n key: \"buildOrUpdateControllers\",\n value: function buildOrUpdateControllers() {\n var me = this;\n var newControllers = [];\n var datasets = me.data.datasets;\n var i, ilen;\n\n me._removeUnreferencedMetasets();\n\n for (i = 0, ilen = datasets.length; i < ilen; i++) {\n var dataset = datasets[i];\n var meta = me.getDatasetMeta(i);\n var type = dataset.type || me.config.type;\n\n if (meta.type && meta.type !== type) {\n me._destroyDatasetMeta(i);\n\n meta = me.getDatasetMeta(i);\n }\n\n meta.type = type;\n meta.indexAxis = dataset.indexAxis || getIndexAxis(type, me.options);\n meta.order = dataset.order || 0;\n meta.index = i;\n meta.label = '' + dataset.label;\n meta.visible = me.isDatasetVisible(i);\n\n if (meta.controller) {\n meta.controller.updateIndex(i);\n meta.controller.linkScales();\n } else {\n var ControllerClass = registry.getController(type);\n var _defaults$datasets$ty = defaults.datasets[type],\n datasetElementType = _defaults$datasets$ty.datasetElementType,\n dataElementType = _defaults$datasets$ty.dataElementType;\n Object.assign(ControllerClass.prototype, {\n dataElementType: registry.getElement(dataElementType),\n datasetElementType: datasetElementType && registry.getElement(datasetElementType)\n });\n meta.controller = new ControllerClass(me, i);\n newControllers.push(meta.controller);\n }\n }\n\n me._updateMetasets();\n\n return newControllers;\n }\n }, {\n key: \"_resetElements\",\n value: function _resetElements() {\n var me = this;\n each(me.data.datasets, function (dataset, datasetIndex) {\n me.getDatasetMeta(datasetIndex).controller.reset();\n }, me);\n }\n }, {\n key: \"reset\",\n value: function reset() {\n this._resetElements();\n\n this.notifyPlugins('reset');\n }\n }, {\n key: \"update\",\n value: function update(mode) {\n var me = this;\n var config = me.config;\n config.update();\n me._options = config.createResolver(config.chartOptionScopes(), me.getContext());\n each(me.scales, function (scale) {\n layouts.removeBox(me, scale);\n });\n var animsDisabled = me._animationsDisabled = !me.options.animation;\n me.ensureScalesHaveIDs();\n me.buildOrUpdateScales();\n var existingEvents = new Set(Object.keys(me._listeners));\n var newEvents = new Set(me.options.events);\n\n if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== me.options.responsive) {\n me.unbindEvents();\n me.bindEvents();\n }\n\n me._plugins.invalidate();\n\n if (me.notifyPlugins('beforeUpdate', {\n mode: mode,\n cancelable: true\n }) === false) {\n return;\n }\n\n var newControllers = me.buildOrUpdateControllers();\n me.notifyPlugins('beforeElementsUpdate');\n var minPadding = 0;\n\n for (var i = 0, ilen = me.data.datasets.length; i < ilen; i++) {\n var _me$getDatasetMeta = me.getDatasetMeta(i),\n controller = _me$getDatasetMeta.controller;\n\n var reset = !animsDisabled && newControllers.indexOf(controller) === -1;\n controller.buildOrUpdateElements(reset);\n minPadding = Math.max(+controller.getMaxOverflow(), minPadding);\n }\n\n me._minPadding = minPadding;\n\n me._updateLayout(minPadding);\n\n if (!animsDisabled) {\n each(newControllers, function (controller) {\n controller.reset();\n });\n }\n\n me._updateDatasets(mode);\n\n me.notifyPlugins('afterUpdate', {\n mode: mode\n });\n\n me._layers.sort(compare2Level('z', '_idx'));\n\n if (me._lastEvent) {\n me._eventHandler(me._lastEvent, true);\n }\n\n me.render();\n }\n }, {\n key: \"_updateLayout\",\n value: function _updateLayout(minPadding) {\n var me = this;\n\n if (me.notifyPlugins('beforeLayout', {\n cancelable: true\n }) === false) {\n return;\n }\n\n layouts.update(me, me.width, me.height, minPadding);\n var area = me.chartArea;\n var noArea = area.width <= 0 || area.height <= 0;\n me._layers = [];\n each(me.boxes, function (box) {\n var _me$_layers;\n\n if (noArea && box.position === 'chartArea') {\n return;\n }\n\n if (box.configure) {\n box.configure();\n }\n\n (_me$_layers = me._layers).push.apply(_me$_layers, _toConsumableArray(box._layers()));\n }, me);\n\n me._layers.forEach(function (item, index) {\n item._idx = index;\n });\n\n me.notifyPlugins('afterLayout');\n }\n }, {\n key: \"_updateDatasets\",\n value: function _updateDatasets(mode) {\n var me = this;\n var isFunction = typeof mode === 'function';\n\n if (me.notifyPlugins('beforeDatasetsUpdate', {\n mode: mode,\n cancelable: true\n }) === false) {\n return;\n }\n\n for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n me._updateDataset(i, isFunction ? mode({\n datasetIndex: i\n }) : mode);\n }\n\n me.notifyPlugins('afterDatasetsUpdate', {\n mode: mode\n });\n }\n }, {\n key: \"_updateDataset\",\n value: function _updateDataset(index, mode) {\n var me = this;\n var meta = me.getDatasetMeta(index);\n var args = {\n meta: meta,\n index: index,\n mode: mode,\n cancelable: true\n };\n\n if (me.notifyPlugins('beforeDatasetUpdate', args) === false) {\n return;\n }\n\n meta.controller._update(mode);\n\n args.cancelable = false;\n me.notifyPlugins('afterDatasetUpdate', args);\n }\n }, {\n key: \"render\",\n value: function render() {\n var me = this;\n\n if (me.notifyPlugins('beforeRender', {\n cancelable: true\n }) === false) {\n return;\n }\n\n if (animator.has(me)) {\n if (me.attached && !animator.running(me)) {\n animator.start(me);\n }\n } else {\n me.draw();\n onAnimationsComplete({\n chart: me\n });\n }\n }\n }, {\n key: \"draw\",\n value: function draw() {\n var me = this;\n var i;\n\n if (me._resizeBeforeDraw) {\n var _me$_resizeBeforeDraw = me._resizeBeforeDraw,\n width = _me$_resizeBeforeDraw.width,\n height = _me$_resizeBeforeDraw.height;\n\n me._resize(width, height);\n\n me._resizeBeforeDraw = null;\n }\n\n me.clear();\n\n if (me.width <= 0 || me.height <= 0) {\n return;\n }\n\n if (me.notifyPlugins('beforeDraw', {\n cancelable: true\n }) === false) {\n return;\n }\n\n var layers = me._layers;\n\n for (i = 0; i < layers.length && layers[i].z <= 0; ++i) {\n layers[i].draw(me.chartArea);\n }\n\n me._drawDatasets();\n\n for (; i < layers.length; ++i) {\n layers[i].draw(me.chartArea);\n }\n\n me.notifyPlugins('afterDraw');\n }\n }, {\n key: \"_getSortedDatasetMetas\",\n value: function _getSortedDatasetMetas(filterVisible) {\n var me = this;\n var metasets = me._sortedMetasets;\n var result = [];\n var i, ilen;\n\n for (i = 0, ilen = metasets.length; i < ilen; ++i) {\n var meta = metasets[i];\n\n if (!filterVisible || meta.visible) {\n result.push(meta);\n }\n }\n\n return result;\n }\n }, {\n key: \"getSortedVisibleDatasetMetas\",\n value: function getSortedVisibleDatasetMetas() {\n return this._getSortedDatasetMetas(true);\n }\n }, {\n key: \"_drawDatasets\",\n value: function _drawDatasets() {\n var me = this;\n\n if (me.notifyPlugins('beforeDatasetsDraw', {\n cancelable: true\n }) === false) {\n return;\n }\n\n var metasets = me.getSortedVisibleDatasetMetas();\n\n for (var i = metasets.length - 1; i >= 0; --i) {\n me._drawDataset(metasets[i]);\n }\n\n me.notifyPlugins('afterDatasetsDraw');\n }\n }, {\n key: \"_drawDataset\",\n value: function _drawDataset(meta) {\n var me = this;\n var ctx = me.ctx;\n var clip = meta._clip;\n var useClip = !clip.disabled;\n var area = me.chartArea;\n var args = {\n meta: meta,\n index: meta.index,\n cancelable: true\n };\n\n if (me.notifyPlugins('beforeDatasetDraw', args) === false) {\n return;\n }\n\n if (useClip) {\n clipArea(ctx, {\n left: clip.left === false ? 0 : area.left - clip.left,\n right: clip.right === false ? me.width : area.right + clip.right,\n top: clip.top === false ? 0 : area.top - clip.top,\n bottom: clip.bottom === false ? me.height : area.bottom + clip.bottom\n });\n }\n\n meta.controller.draw();\n\n if (useClip) {\n unclipArea(ctx);\n }\n\n args.cancelable = false;\n me.notifyPlugins('afterDatasetDraw', args);\n }\n }, {\n key: \"getElementsAtEventForMode\",\n value: function getElementsAtEventForMode(e, mode, options, useFinalPosition) {\n var method = Interaction.modes[mode];\n\n if (typeof method === 'function') {\n return method(this, e, options, useFinalPosition);\n }\n\n return [];\n }\n }, {\n key: \"getDatasetMeta\",\n value: function getDatasetMeta(datasetIndex) {\n var me = this;\n var dataset = me.data.datasets[datasetIndex];\n var metasets = me._metasets;\n var meta = metasets.filter(function (x) {\n return x && x._dataset === dataset;\n }).pop();\n\n if (!meta) {\n meta = {\n type: null,\n data: [],\n dataset: null,\n controller: null,\n hidden: null,\n xAxisID: null,\n yAxisID: null,\n order: dataset && dataset.order || 0,\n index: datasetIndex,\n _dataset: dataset,\n _parsed: [],\n _sorted: false\n };\n metasets.push(meta);\n }\n\n return meta;\n }\n }, {\n key: \"getContext\",\n value: function getContext() {\n return this.$context || (this.$context = {\n chart: this,\n type: 'chart'\n });\n }\n }, {\n key: \"getVisibleDatasetCount\",\n value: function getVisibleDatasetCount() {\n return this.getSortedVisibleDatasetMetas().length;\n }\n }, {\n key: \"isDatasetVisible\",\n value: function isDatasetVisible(datasetIndex) {\n var dataset = this.data.datasets[datasetIndex];\n\n if (!dataset) {\n return false;\n }\n\n var meta = this.getDatasetMeta(datasetIndex);\n return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden;\n }\n }, {\n key: \"setDatasetVisibility\",\n value: function setDatasetVisibility(datasetIndex, visible) {\n var meta = this.getDatasetMeta(datasetIndex);\n meta.hidden = !visible;\n }\n }, {\n key: \"toggleDataVisibility\",\n value: function toggleDataVisibility(index) {\n this._hiddenIndices[index] = !this._hiddenIndices[index];\n }\n }, {\n key: \"getDataVisibility\",\n value: function getDataVisibility(index) {\n return !this._hiddenIndices[index];\n }\n }, {\n key: \"_updateVisibility\",\n value: function _updateVisibility(datasetIndex, dataIndex, visible) {\n var me = this;\n var mode = visible ? 'show' : 'hide';\n var meta = me.getDatasetMeta(datasetIndex);\n\n var anims = meta.controller._resolveAnimations(undefined, mode);\n\n if (defined(dataIndex)) {\n meta.data[dataIndex].hidden = !visible;\n me.update();\n } else {\n me.setDatasetVisibility(datasetIndex, visible);\n anims.update(meta, {\n visible: visible\n });\n me.update(function (ctx) {\n return ctx.datasetIndex === datasetIndex ? mode : undefined;\n });\n }\n }\n }, {\n key: \"hide\",\n value: function hide(datasetIndex, dataIndex) {\n this._updateVisibility(datasetIndex, dataIndex, false);\n }\n }, {\n key: \"show\",\n value: function show(datasetIndex, dataIndex) {\n this._updateVisibility(datasetIndex, dataIndex, true);\n }\n }, {\n key: \"_destroyDatasetMeta\",\n value: function _destroyDatasetMeta(datasetIndex) {\n var me = this;\n var meta = me._metasets && me._metasets[datasetIndex];\n\n if (meta && meta.controller) {\n meta.controller._destroy();\n\n delete me._metasets[datasetIndex];\n }\n }\n }, {\n key: \"destroy\",\n value: function destroy() {\n var me = this;\n var canvas = me.canvas,\n ctx = me.ctx;\n var i, ilen;\n me.stop();\n animator.remove(me);\n\n for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n me._destroyDatasetMeta(i);\n }\n\n me.config.clearCache();\n\n if (canvas) {\n me.unbindEvents();\n clearCanvas(canvas, ctx);\n me.platform.releaseContext(ctx);\n me.canvas = null;\n me.ctx = null;\n }\n\n me.notifyPlugins('destroy');\n delete instances[me.id];\n }\n }, {\n key: \"toBase64Image\",\n value: function toBase64Image() {\n var _this$canvas;\n\n return (_this$canvas = this.canvas).toDataURL.apply(_this$canvas, arguments);\n }\n }, {\n key: \"bindEvents\",\n value: function bindEvents() {\n this.bindUserEvents();\n\n if (this.options.responsive) {\n this.bindResponsiveEvents();\n } else {\n this.attached = true;\n }\n }\n }, {\n key: \"bindUserEvents\",\n value: function bindUserEvents() {\n var me = this;\n var listeners = me._listeners;\n var platform = me.platform;\n\n var _add = function _add(type, listener) {\n platform.addEventListener(me, type, listener);\n listeners[type] = listener;\n };\n\n var listener = function listener(e, x, y) {\n e.offsetX = x;\n e.offsetY = y;\n\n me._eventHandler(e);\n };\n\n each(me.options.events, function (type) {\n return _add(type, listener);\n });\n }\n }, {\n key: \"bindResponsiveEvents\",\n value: function bindResponsiveEvents() {\n var me = this;\n\n if (!me._responsiveListeners) {\n me._responsiveListeners = {};\n }\n\n var listeners = me._responsiveListeners;\n var platform = me.platform;\n\n var _add = function _add(type, listener) {\n platform.addEventListener(me, type, listener);\n listeners[type] = listener;\n };\n\n var _remove = function _remove(type, listener) {\n if (listeners[type]) {\n platform.removeEventListener(me, type, listener);\n delete listeners[type];\n }\n };\n\n var listener = function listener(width, height) {\n if (me.canvas) {\n me.resize(width, height);\n }\n };\n\n var detached;\n\n var attached = function attached() {\n _remove('attach', attached);\n\n me.attached = true;\n me.resize();\n\n _add('resize', listener);\n\n _add('detach', detached);\n };\n\n detached = function detached() {\n me.attached = false;\n\n _remove('resize', listener);\n\n _add('attach', attached);\n };\n\n if (platform.isAttached(me.canvas)) {\n attached();\n } else {\n detached();\n }\n }\n }, {\n key: \"unbindEvents\",\n value: function unbindEvents() {\n var me = this;\n each(me._listeners, function (listener, type) {\n me.platform.removeEventListener(me, type, listener);\n });\n me._listeners = {};\n each(me._responsiveListeners, function (listener, type) {\n me.platform.removeEventListener(me, type, listener);\n });\n me._responsiveListeners = undefined;\n }\n }, {\n key: \"updateHoverStyle\",\n value: function updateHoverStyle(items, mode, enabled) {\n var prefix = enabled ? 'set' : 'remove';\n var meta, item, i, ilen;\n\n if (mode === 'dataset') {\n meta = this.getDatasetMeta(items[0].datasetIndex);\n meta.controller['_' + prefix + 'DatasetHoverStyle']();\n }\n\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n item = items[i];\n var controller = item && this.getDatasetMeta(item.datasetIndex).controller;\n\n if (controller) {\n controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index);\n }\n }\n }\n }, {\n key: \"getActiveElements\",\n value: function getActiveElements() {\n return this._active || [];\n }\n }, {\n key: \"setActiveElements\",\n value: function setActiveElements(activeElements) {\n var me = this;\n var lastActive = me._active || [];\n var active = activeElements.map(function (_ref4) {\n var datasetIndex = _ref4.datasetIndex,\n index = _ref4.index;\n var meta = me.getDatasetMeta(datasetIndex);\n\n if (!meta) {\n throw new Error('No dataset found at index ' + datasetIndex);\n }\n\n return {\n datasetIndex: datasetIndex,\n element: meta.data[index],\n index: index\n };\n });\n var changed = !_elementsEqual(active, lastActive);\n\n if (changed) {\n me._active = active;\n\n me._updateHoverStyles(active, lastActive);\n }\n }\n }, {\n key: \"notifyPlugins\",\n value: function notifyPlugins(hook, args, filter) {\n return this._plugins.notify(this, hook, args, filter);\n }\n }, {\n key: \"_updateHoverStyles\",\n value: function _updateHoverStyles(active, lastActive, replay) {\n var me = this;\n var hoverOptions = me.options.hover;\n\n var diff = function diff(a, b) {\n return a.filter(function (x) {\n return !b.some(function (y) {\n return x.datasetIndex === y.datasetIndex && x.index === y.index;\n });\n });\n };\n\n var deactivated = diff(lastActive, active);\n var activated = replay ? active : diff(active, lastActive);\n\n if (deactivated.length) {\n me.updateHoverStyle(deactivated, hoverOptions.mode, false);\n }\n\n if (activated.length && hoverOptions.mode) {\n me.updateHoverStyle(activated, hoverOptions.mode, true);\n }\n }\n }, {\n key: \"_eventHandler\",\n value: function _eventHandler(e, replay) {\n var _this6 = this;\n\n var me = this;\n var args = {\n event: e,\n replay: replay,\n cancelable: true\n };\n\n var eventFilter = function eventFilter(plugin) {\n return (plugin.options.events || _this6.options.events).includes(e.type);\n };\n\n if (me.notifyPlugins('beforeEvent', args, eventFilter) === false) {\n return;\n }\n\n var changed = me._handleEvent(e, replay);\n\n args.cancelable = false;\n me.notifyPlugins('afterEvent', args, eventFilter);\n\n if (changed || args.changed) {\n me.render();\n }\n\n return me;\n }\n }, {\n key: \"_handleEvent\",\n value: function _handleEvent(e, replay) {\n var me = this;\n var _me$_active = me._active,\n lastActive = _me$_active === void 0 ? [] : _me$_active,\n options = me.options;\n var hoverOptions = options.hover;\n var useFinalPosition = replay;\n var active = [];\n var changed = false;\n var lastEvent = null;\n\n if (e.type !== 'mouseout') {\n active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition);\n lastEvent = e.type === 'click' ? me._lastEvent : e;\n }\n\n me._lastEvent = null;\n\n if (_isPointInArea(e, me.chartArea, me._minPadding)) {\n callback(options.onHover, [e, active, me], me);\n\n if (e.type === 'mouseup' || e.type === 'click' || e.type === 'contextmenu') {\n callback(options.onClick, [e, active, me], me);\n }\n }\n\n changed = !_elementsEqual(active, lastActive);\n\n if (changed || replay) {\n me._active = active;\n\n me._updateHoverStyles(active, lastActive, replay);\n }\n\n me._lastEvent = lastEvent;\n return changed;\n }\n }, {\n key: \"aspectRatio\",\n get: function get() {\n var _this$options3 = this.options,\n aspectRatio = _this$options3.aspectRatio,\n maintainAspectRatio = _this$options3.maintainAspectRatio,\n width = this.width,\n height = this.height,\n _aspectRatio = this._aspectRatio;\n\n if (!isNullOrUndef(aspectRatio)) {\n return aspectRatio;\n }\n\n if (maintainAspectRatio && _aspectRatio) {\n return _aspectRatio;\n }\n\n return height ? width / height : null;\n }\n }, {\n key: \"data\",\n get: function get() {\n return this.config.data;\n },\n set: function set(data) {\n this.config.data = data;\n }\n }, {\n key: \"options\",\n get: function get() {\n return this._options;\n },\n set: function set(options) {\n this.config.options = options;\n }\n }]);\n\n return Chart;\n}();\n\nvar invalidatePlugins = function invalidatePlugins() {\n return each(Chart.instances, function (chart) {\n return chart._plugins.invalidate();\n });\n};\n\nvar enumerable = true;\nObject.defineProperties(Chart, {\n defaults: {\n enumerable: enumerable,\n value: defaults\n },\n instances: {\n enumerable: enumerable,\n value: instances\n },\n overrides: {\n enumerable: enumerable,\n value: overrides\n },\n registry: {\n enumerable: enumerable,\n value: registry\n },\n version: {\n enumerable: enumerable,\n value: version\n },\n getChart: {\n enumerable: enumerable,\n value: getChart\n },\n register: {\n enumerable: enumerable,\n value: function value() {\n registry.add.apply(registry, arguments);\n invalidatePlugins();\n }\n },\n unregister: {\n enumerable: enumerable,\n value: function value() {\n registry.remove.apply(registry, arguments);\n invalidatePlugins();\n }\n }\n});\n\nfunction clipArc(ctx, element, endAngle) {\n var startAngle = element.startAngle,\n pixelMargin = element.pixelMargin,\n x = element.x,\n y = element.y,\n outerRadius = element.outerRadius,\n innerRadius = element.innerRadius;\n var angleMargin = pixelMargin / outerRadius;\n ctx.beginPath();\n ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin);\n\n if (innerRadius > pixelMargin) {\n angleMargin = pixelMargin / innerRadius;\n ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true);\n } else {\n ctx.arc(x, y, pixelMargin, endAngle + HALF_PI, startAngle - HALF_PI);\n }\n\n ctx.closePath();\n ctx.clip();\n}\n\nfunction toRadiusCorners(value) {\n return _readValueToProps(value, ['outerStart', 'outerEnd', 'innerStart', 'innerEnd']);\n}\n\nfunction parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) {\n var o = toRadiusCorners(arc.options.borderRadius);\n var halfThickness = (outerRadius - innerRadius) / 2;\n var innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2);\n\n var computeOuterLimit = function computeOuterLimit(val) {\n var outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2;\n return _limitValue(val, 0, Math.min(halfThickness, outerArcLimit));\n };\n\n return {\n outerStart: computeOuterLimit(o.outerStart),\n outerEnd: computeOuterLimit(o.outerEnd),\n innerStart: _limitValue(o.innerStart, 0, innerLimit),\n innerEnd: _limitValue(o.innerEnd, 0, innerLimit)\n };\n}\n\nfunction rThetaToXY(r, theta, x, y) {\n return {\n x: x + r * Math.cos(theta),\n y: y + r * Math.sin(theta)\n };\n}\n\nfunction pathArc(ctx, element, offset, spacing, end) {\n var x = element.x,\n y = element.y,\n start = element.startAngle,\n pixelMargin = element.pixelMargin,\n innerR = element.innerRadius;\n var outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0);\n var innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0;\n var spacingOffset = 0;\n var alpha = end - start;\n\n if (spacing) {\n var noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0;\n var noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0;\n var avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2;\n var adjustedAngle = avNogSpacingRadius !== 0 ? alpha * avNogSpacingRadius / (avNogSpacingRadius + spacing) : alpha;\n spacingOffset = (alpha - adjustedAngle) / 2;\n }\n\n var beta = Math.max(0.001, alpha * outerRadius - offset / PI) / outerRadius;\n var angleOffset = (alpha - beta) / 2;\n var startAngle = start + angleOffset + spacingOffset;\n var endAngle = end - angleOffset - spacingOffset;\n\n var _parseBorderRadius$ = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle),\n outerStart = _parseBorderRadius$.outerStart,\n outerEnd = _parseBorderRadius$.outerEnd,\n innerStart = _parseBorderRadius$.innerStart,\n innerEnd = _parseBorderRadius$.innerEnd;\n\n var outerStartAdjustedRadius = outerRadius - outerStart;\n var outerEndAdjustedRadius = outerRadius - outerEnd;\n var outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius;\n var outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius;\n var innerStartAdjustedRadius = innerRadius + innerStart;\n var innerEndAdjustedRadius = innerRadius + innerEnd;\n var innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius;\n var innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius;\n ctx.beginPath();\n ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerEndAdjustedAngle);\n\n if (outerEnd > 0) {\n var pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y);\n ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI);\n }\n\n var p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y);\n ctx.lineTo(p4.x, p4.y);\n\n if (innerEnd > 0) {\n var _pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y);\n\n ctx.arc(_pCenter.x, _pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI);\n }\n\n ctx.arc(x, y, innerRadius, endAngle - innerEnd / innerRadius, startAngle + innerStart / innerRadius, true);\n\n if (innerStart > 0) {\n var _pCenter2 = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y);\n\n ctx.arc(_pCenter2.x, _pCenter2.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI);\n }\n\n var p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y);\n ctx.lineTo(p8.x, p8.y);\n\n if (outerStart > 0) {\n var _pCenter3 = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y);\n\n ctx.arc(_pCenter3.x, _pCenter3.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle);\n }\n\n ctx.closePath();\n}\n\nfunction drawArc(ctx, element, offset, spacing) {\n var fullCircles = element.fullCircles,\n startAngle = element.startAngle,\n circumference = element.circumference;\n var endAngle = element.endAngle;\n\n if (fullCircles) {\n pathArc(ctx, element, offset, spacing, startAngle + TAU);\n\n for (var i = 0; i < fullCircles; ++i) {\n ctx.fill();\n }\n\n if (!isNaN(circumference)) {\n endAngle = startAngle + circumference % TAU;\n\n if (circumference % TAU === 0) {\n endAngle += TAU;\n }\n }\n }\n\n pathArc(ctx, element, offset, spacing, endAngle);\n ctx.fill();\n return endAngle;\n}\n\nfunction drawFullCircleBorders(ctx, element, inner) {\n var x = element.x,\n y = element.y,\n startAngle = element.startAngle,\n pixelMargin = element.pixelMargin,\n fullCircles = element.fullCircles;\n var outerRadius = Math.max(element.outerRadius - pixelMargin, 0);\n var innerRadius = element.innerRadius + pixelMargin;\n var i;\n\n if (inner) {\n clipArc(ctx, element, startAngle + TAU);\n }\n\n ctx.beginPath();\n ctx.arc(x, y, innerRadius, startAngle + TAU, startAngle, true);\n\n for (i = 0; i < fullCircles; ++i) {\n ctx.stroke();\n }\n\n ctx.beginPath();\n ctx.arc(x, y, outerRadius, startAngle, startAngle + TAU);\n\n for (i = 0; i < fullCircles; ++i) {\n ctx.stroke();\n }\n}\n\nfunction drawBorder(ctx, element, offset, spacing, endAngle) {\n var options = element.options;\n var inner = options.borderAlign === 'inner';\n\n if (!options.borderWidth) {\n return;\n }\n\n if (inner) {\n ctx.lineWidth = options.borderWidth * 2;\n ctx.lineJoin = 'round';\n } else {\n ctx.lineWidth = options.borderWidth;\n ctx.lineJoin = 'bevel';\n }\n\n if (element.fullCircles) {\n drawFullCircleBorders(ctx, element, inner);\n }\n\n if (inner) {\n clipArc(ctx, element, endAngle);\n }\n\n pathArc(ctx, element, offset, spacing, endAngle);\n ctx.stroke();\n}\n\nvar ArcElement = /*#__PURE__*/function (_Element2) {\n _inherits(ArcElement, _Element2);\n\n var _super12 = _createSuper(ArcElement);\n\n function ArcElement(cfg) {\n var _this7;\n\n _classCallCheck(this, ArcElement);\n\n _this7 = _super12.call(this);\n _this7.options = undefined;\n _this7.circumference = undefined;\n _this7.startAngle = undefined;\n _this7.endAngle = undefined;\n _this7.innerRadius = undefined;\n _this7.outerRadius = undefined;\n _this7.pixelMargin = 0;\n _this7.fullCircles = 0;\n\n if (cfg) {\n Object.assign(_assertThisInitialized(_this7), cfg);\n }\n\n return _this7;\n }\n\n _createClass(ArcElement, [{\n key: \"inRange\",\n value: function inRange(chartX, chartY, useFinalPosition) {\n var point = this.getProps(['x', 'y'], useFinalPosition);\n\n var _getAngleFromPoint = getAngleFromPoint(point, {\n x: chartX,\n y: chartY\n }),\n angle = _getAngleFromPoint.angle,\n distance = _getAngleFromPoint.distance;\n\n var _this$getProps2 = this.getProps(['startAngle', 'endAngle', 'innerRadius', 'outerRadius', 'circumference'], useFinalPosition),\n startAngle = _this$getProps2.startAngle,\n endAngle = _this$getProps2.endAngle,\n innerRadius = _this$getProps2.innerRadius,\n outerRadius = _this$getProps2.outerRadius,\n circumference = _this$getProps2.circumference;\n\n var rAdjust = this.options.spacing / 2;\n\n var betweenAngles = circumference >= TAU || _angleBetween(angle, startAngle, endAngle);\n\n var withinRadius = distance >= innerRadius + rAdjust && distance <= outerRadius + rAdjust;\n return betweenAngles && withinRadius;\n }\n }, {\n key: \"getCenterPoint\",\n value: function getCenterPoint(useFinalPosition) {\n var _this$getProps3 = this.getProps(['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius', 'circumference'], useFinalPosition),\n x = _this$getProps3.x,\n y = _this$getProps3.y,\n startAngle = _this$getProps3.startAngle,\n endAngle = _this$getProps3.endAngle,\n innerRadius = _this$getProps3.innerRadius,\n outerRadius = _this$getProps3.outerRadius;\n\n var _this$options4 = this.options,\n offset = _this$options4.offset,\n spacing = _this$options4.spacing;\n var halfAngle = (startAngle + endAngle) / 2;\n var halfRadius = (innerRadius + outerRadius + spacing + offset) / 2;\n return {\n x: x + Math.cos(halfAngle) * halfRadius,\n y: y + Math.sin(halfAngle) * halfRadius\n };\n }\n }, {\n key: \"tooltipPosition\",\n value: function tooltipPosition(useFinalPosition) {\n return this.getCenterPoint(useFinalPosition);\n }\n }, {\n key: \"draw\",\n value: function draw(ctx) {\n var me = this;\n var options = me.options,\n circumference = me.circumference;\n var offset = (options.offset || 0) / 2;\n var spacing = (options.spacing || 0) / 2;\n me.pixelMargin = options.borderAlign === 'inner' ? 0.33 : 0;\n me.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0;\n\n if (circumference === 0 || me.innerRadius < 0 || me.outerRadius < 0) {\n return;\n }\n\n ctx.save();\n var radiusOffset = 0;\n\n if (offset) {\n radiusOffset = offset / 2;\n var halfAngle = (me.startAngle + me.endAngle) / 2;\n ctx.translate(Math.cos(halfAngle) * radiusOffset, Math.sin(halfAngle) * radiusOffset);\n\n if (me.circumference >= PI) {\n radiusOffset = offset;\n }\n }\n\n ctx.fillStyle = options.backgroundColor;\n ctx.strokeStyle = options.borderColor;\n var endAngle = drawArc(ctx, me, radiusOffset, spacing);\n drawBorder(ctx, me, radiusOffset, spacing, endAngle);\n ctx.restore();\n }\n }]);\n\n return ArcElement;\n}(Element);\n\nArcElement.id = 'arc';\nArcElement.defaults = {\n borderAlign: 'center',\n borderColor: '#fff',\n borderRadius: 0,\n borderWidth: 2,\n offset: 0,\n spacing: 0,\n angle: undefined\n};\nArcElement.defaultRoutes = {\n backgroundColor: 'backgroundColor'\n};\n\nfunction setStyle(ctx, options) {\n var style = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : options;\n ctx.lineCap = valueOrDefault(style.borderCapStyle, options.borderCapStyle);\n ctx.setLineDash(valueOrDefault(style.borderDash, options.borderDash));\n ctx.lineDashOffset = valueOrDefault(style.borderDashOffset, options.borderDashOffset);\n ctx.lineJoin = valueOrDefault(style.borderJoinStyle, options.borderJoinStyle);\n ctx.lineWidth = valueOrDefault(style.borderWidth, options.borderWidth);\n ctx.strokeStyle = valueOrDefault(style.borderColor, options.borderColor);\n}\n\nfunction lineTo(ctx, previous, target) {\n ctx.lineTo(target.x, target.y);\n}\n\nfunction getLineMethod(options) {\n if (options.stepped) {\n return _steppedLineTo;\n }\n\n if (options.tension || options.cubicInterpolationMode === 'monotone') {\n return _bezierCurveTo;\n }\n\n return lineTo;\n}\n\nfunction pathVars(points, segment) {\n var params = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n var count = points.length;\n var _params$start = params.start,\n paramsStart = _params$start === void 0 ? 0 : _params$start,\n _params$end = params.end,\n paramsEnd = _params$end === void 0 ? count - 1 : _params$end;\n var segmentStart = segment.start,\n segmentEnd = segment.end;\n var start = Math.max(paramsStart, segmentStart);\n var end = Math.min(paramsEnd, segmentEnd);\n var outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd;\n return {\n count: count,\n start: start,\n loop: segment.loop,\n ilen: end < start && !outside ? count + end - start : end - start\n };\n}\n\nfunction pathSegment(ctx, line, segment, params) {\n var points = line.points,\n options = line.options;\n\n var _pathVars = pathVars(points, segment, params),\n count = _pathVars.count,\n start = _pathVars.start,\n loop = _pathVars.loop,\n ilen = _pathVars.ilen;\n\n var lineMethod = getLineMethod(options);\n\n var _ref5 = params || {},\n _ref5$move = _ref5.move,\n move = _ref5$move === void 0 ? true : _ref5$move,\n reverse = _ref5.reverse;\n\n var i, point, prev;\n\n for (i = 0; i <= ilen; ++i) {\n point = points[(start + (reverse ? ilen - i : i)) % count];\n\n if (point.skip) {\n continue;\n } else if (move) {\n ctx.moveTo(point.x, point.y);\n move = false;\n } else {\n lineMethod(ctx, prev, point, reverse, options.stepped);\n }\n\n prev = point;\n }\n\n if (loop) {\n point = points[(start + (reverse ? ilen : 0)) % count];\n lineMethod(ctx, prev, point, reverse, options.stepped);\n }\n\n return !!loop;\n}\n\nfunction fastPathSegment(ctx, line, segment, params) {\n var points = line.points;\n\n var _pathVars2 = pathVars(points, segment, params),\n count = _pathVars2.count,\n start = _pathVars2.start,\n ilen = _pathVars2.ilen;\n\n var _ref6 = params || {},\n _ref6$move = _ref6.move,\n move = _ref6$move === void 0 ? true : _ref6$move,\n reverse = _ref6.reverse;\n\n var avgX = 0;\n var countX = 0;\n var i, point, prevX, minY, maxY, lastY;\n\n var pointIndex = function pointIndex(index) {\n return (start + (reverse ? ilen - index : index)) % count;\n };\n\n var drawX = function drawX() {\n if (minY !== maxY) {\n ctx.lineTo(avgX, maxY);\n ctx.lineTo(avgX, minY);\n ctx.lineTo(avgX, lastY);\n }\n };\n\n if (move) {\n point = points[pointIndex(0)];\n ctx.moveTo(point.x, point.y);\n }\n\n for (i = 0; i <= ilen; ++i) {\n point = points[pointIndex(i)];\n\n if (point.skip) {\n continue;\n }\n\n var x = point.x;\n var y = point.y;\n var truncX = x | 0;\n\n if (truncX === prevX) {\n if (y < minY) {\n minY = y;\n } else if (y > maxY) {\n maxY = y;\n }\n\n avgX = (countX * avgX + x) / ++countX;\n } else {\n drawX();\n ctx.lineTo(x, y);\n prevX = truncX;\n countX = 0;\n minY = maxY = y;\n }\n\n lastY = y;\n }\n\n drawX();\n}\n\nfunction _getSegmentMethod(line) {\n var opts = line.options;\n var borderDash = opts.borderDash && opts.borderDash.length;\n var useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash;\n return useFastPath ? fastPathSegment : pathSegment;\n}\n\nfunction _getInterpolationMethod(options) {\n if (options.stepped) {\n return _steppedInterpolation;\n }\n\n if (options.tension || options.cubicInterpolationMode === 'monotone') {\n return _bezierInterpolation;\n }\n\n return _pointInLine;\n}\n\nfunction strokePathWithCache(ctx, line, start, count) {\n var path = line._path;\n\n if (!path) {\n path = line._path = new Path2D();\n\n if (line.path(path, start, count)) {\n path.closePath();\n }\n }\n\n setStyle(ctx, line.options);\n ctx.stroke(path);\n}\n\nfunction strokePathDirect(ctx, line, start, count) {\n var segments = line.segments,\n options = line.options;\n\n var segmentMethod = _getSegmentMethod(line);\n\n var _iterator10 = _createForOfIteratorHelper(segments),\n _step10;\n\n try {\n for (_iterator10.s(); !(_step10 = _iterator10.n()).done;) {\n var segment = _step10.value;\n setStyle(ctx, options, segment.style);\n ctx.beginPath();\n\n if (segmentMethod(ctx, line, segment, {\n start: start,\n end: start + count - 1\n })) {\n ctx.closePath();\n }\n\n ctx.stroke();\n }\n } catch (err) {\n _iterator10.e(err);\n } finally {\n _iterator10.f();\n }\n}\n\nvar usePath2D = typeof Path2D === 'function';\n\nfunction _draw(ctx, line, start, count) {\n if (usePath2D && line.segments.length === 1) {\n strokePathWithCache(ctx, line, start, count);\n } else {\n strokePathDirect(ctx, line, start, count);\n }\n}\n\nvar LineElement = /*#__PURE__*/function (_Element3) {\n _inherits(LineElement, _Element3);\n\n var _super13 = _createSuper(LineElement);\n\n function LineElement(cfg) {\n var _this8;\n\n _classCallCheck(this, LineElement);\n\n _this8 = _super13.call(this);\n _this8.animated = true;\n _this8.options = undefined;\n _this8._loop = undefined;\n _this8._fullLoop = undefined;\n _this8._path = undefined;\n _this8._points = undefined;\n _this8._segments = undefined;\n _this8._decimated = false;\n _this8._pointsUpdated = false;\n _this8._datasetIndex = undefined;\n\n if (cfg) {\n Object.assign(_assertThisInitialized(_this8), cfg);\n }\n\n return _this8;\n }\n\n _createClass(LineElement, [{\n key: \"updateControlPoints\",\n value: function updateControlPoints(chartArea, indexAxis) {\n var me = this;\n var options = me.options;\n\n if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !me._pointsUpdated) {\n var loop = options.spanGaps ? me._loop : me._fullLoop;\n\n _updateBezierControlPoints(me._points, options, chartArea, loop, indexAxis);\n\n me._pointsUpdated = true;\n }\n }\n }, {\n key: \"first\",\n value: function first() {\n var segments = this.segments;\n var points = this.points;\n return segments.length && points[segments[0].start];\n }\n }, {\n key: \"last\",\n value: function last() {\n var segments = this.segments;\n var points = this.points;\n var count = segments.length;\n return count && points[segments[count - 1].end];\n }\n }, {\n key: \"interpolate\",\n value: function interpolate(point, property) {\n var me = this;\n var options = me.options;\n var value = point[property];\n var points = me.points;\n\n var segments = _boundSegments(me, {\n property: property,\n start: value,\n end: value\n });\n\n if (!segments.length) {\n return;\n }\n\n var result = [];\n\n var _interpolate = _getInterpolationMethod(options);\n\n var i, ilen;\n\n for (i = 0, ilen = segments.length; i < ilen; ++i) {\n var _segments$i = segments[i],\n start = _segments$i.start,\n end = _segments$i.end;\n var p1 = points[start];\n var p2 = points[end];\n\n if (p1 === p2) {\n result.push(p1);\n continue;\n }\n\n var t = Math.abs((value - p1[property]) / (p2[property] - p1[property]));\n\n var interpolated = _interpolate(p1, p2, t, options.stepped);\n\n interpolated[property] = point[property];\n result.push(interpolated);\n }\n\n return result.length === 1 ? result[0] : result;\n }\n }, {\n key: \"pathSegment\",\n value: function pathSegment(ctx, segment, params) {\n var segmentMethod = _getSegmentMethod(this);\n\n return segmentMethod(ctx, this, segment, params);\n }\n }, {\n key: \"path\",\n value: function path(ctx, start, count) {\n var me = this;\n var segments = me.segments;\n\n var segmentMethod = _getSegmentMethod(me);\n\n var loop = me._loop;\n start = start || 0;\n count = count || me.points.length - start;\n\n var _iterator11 = _createForOfIteratorHelper(segments),\n _step11;\n\n try {\n for (_iterator11.s(); !(_step11 = _iterator11.n()).done;) {\n var segment = _step11.value;\n loop &= segmentMethod(ctx, me, segment, {\n start: start,\n end: start + count - 1\n });\n }\n } catch (err) {\n _iterator11.e(err);\n } finally {\n _iterator11.f();\n }\n\n return !!loop;\n }\n }, {\n key: \"draw\",\n value: function draw(ctx, chartArea, start, count) {\n var me = this;\n var options = me.options || {};\n var points = me.points || [];\n\n if (!points.length || !options.borderWidth) {\n return;\n }\n\n ctx.save();\n\n _draw(ctx, me, start, count);\n\n ctx.restore();\n\n if (me.animated) {\n me._pointsUpdated = false;\n me._path = undefined;\n }\n }\n }, {\n key: \"points\",\n set: function set(points) {\n var me = this;\n me._points = points;\n delete me._segments;\n delete me._path;\n me._pointsUpdated = false;\n },\n get: function get() {\n return this._points;\n }\n }, {\n key: \"segments\",\n get: function get() {\n return this._segments || (this._segments = _computeSegments(this, this.options.segment));\n }\n }]);\n\n return LineElement;\n}(Element);\n\nLineElement.id = 'line';\nLineElement.defaults = {\n borderCapStyle: 'butt',\n borderDash: [],\n borderDashOffset: 0,\n borderJoinStyle: 'miter',\n borderWidth: 3,\n capBezierPoints: true,\n cubicInterpolationMode: 'default',\n fill: false,\n spanGaps: false,\n stepped: false,\n tension: 0\n};\nLineElement.defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n};\nLineElement.descriptors = {\n _scriptable: true,\n _indexable: function _indexable(name) {\n return name !== 'borderDash' && name !== 'fill';\n }\n};\n\nfunction inRange$1(el, pos, axis, useFinalPosition) {\n var options = el.options;\n\n var _el$getProps = el.getProps([axis], useFinalPosition),\n value = _el$getProps[axis];\n\n return Math.abs(pos - value) < options.radius + options.hitRadius;\n}\n\nvar PointElement = /*#__PURE__*/function (_Element4) {\n _inherits(PointElement, _Element4);\n\n var _super14 = _createSuper(PointElement);\n\n function PointElement(cfg) {\n var _this9;\n\n _classCallCheck(this, PointElement);\n\n _this9 = _super14.call(this);\n _this9.options = undefined;\n _this9.parsed = undefined;\n _this9.skip = undefined;\n _this9.stop = undefined;\n\n if (cfg) {\n Object.assign(_assertThisInitialized(_this9), cfg);\n }\n\n return _this9;\n }\n\n _createClass(PointElement, [{\n key: \"inRange\",\n value: function inRange(mouseX, mouseY, useFinalPosition) {\n var options = this.options;\n\n var _this$getProps4 = this.getProps(['x', 'y'], useFinalPosition),\n x = _this$getProps4.x,\n y = _this$getProps4.y;\n\n return Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2) < Math.pow(options.hitRadius + options.radius, 2);\n }\n }, {\n key: \"inXRange\",\n value: function inXRange(mouseX, useFinalPosition) {\n return inRange$1(this, mouseX, 'x', useFinalPosition);\n }\n }, {\n key: \"inYRange\",\n value: function inYRange(mouseY, useFinalPosition) {\n return inRange$1(this, mouseY, 'y', useFinalPosition);\n }\n }, {\n key: \"getCenterPoint\",\n value: function getCenterPoint(useFinalPosition) {\n var _this$getProps5 = this.getProps(['x', 'y'], useFinalPosition),\n x = _this$getProps5.x,\n y = _this$getProps5.y;\n\n return {\n x: x,\n y: y\n };\n }\n }, {\n key: \"size\",\n value: function size(options) {\n options = options || this.options || {};\n var radius = options.radius || 0;\n radius = Math.max(radius, radius && options.hoverRadius || 0);\n var borderWidth = radius && options.borderWidth || 0;\n return (radius + borderWidth) * 2;\n }\n }, {\n key: \"draw\",\n value: function draw(ctx, area) {\n var me = this;\n var options = me.options;\n\n if (me.skip || options.radius < 0.1 || !_isPointInArea(me, area, me.size(options) / 2)) {\n return;\n }\n\n ctx.strokeStyle = options.borderColor;\n ctx.lineWidth = options.borderWidth;\n ctx.fillStyle = options.backgroundColor;\n drawPoint(ctx, options, me.x, me.y);\n }\n }, {\n key: \"getRange\",\n value: function getRange() {\n var options = this.options || {};\n return options.radius + options.hitRadius;\n }\n }]);\n\n return PointElement;\n}(Element);\n\nPointElement.id = 'point';\nPointElement.defaults = {\n borderWidth: 1,\n hitRadius: 1,\n hoverBorderWidth: 1,\n hoverRadius: 4,\n pointStyle: 'circle',\n radius: 3,\n rotation: 0\n};\nPointElement.defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n};\n\nfunction getBarBounds(bar, useFinalPosition) {\n var _bar$getProps = bar.getProps(['x', 'y', 'base', 'width', 'height'], useFinalPosition),\n x = _bar$getProps.x,\n y = _bar$getProps.y,\n base = _bar$getProps.base,\n width = _bar$getProps.width,\n height = _bar$getProps.height;\n\n var left, right, top, bottom, half;\n\n if (bar.horizontal) {\n half = height / 2;\n left = Math.min(x, base);\n right = Math.max(x, base);\n top = y - half;\n bottom = y + half;\n } else {\n half = width / 2;\n left = x - half;\n right = x + half;\n top = Math.min(y, base);\n bottom = Math.max(y, base);\n }\n\n return {\n left: left,\n top: top,\n right: right,\n bottom: bottom\n };\n}\n\nfunction skipOrLimit(skip, value, min, max) {\n return skip ? 0 : _limitValue(value, min, max);\n}\n\nfunction parseBorderWidth(bar, maxW, maxH) {\n var value = bar.options.borderWidth;\n var skip = bar.borderSkipped;\n var o = toTRBL(value);\n return {\n t: skipOrLimit(skip.top, o.top, 0, maxH),\n r: skipOrLimit(skip.right, o.right, 0, maxW),\n b: skipOrLimit(skip.bottom, o.bottom, 0, maxH),\n l: skipOrLimit(skip.left, o.left, 0, maxW)\n };\n}\n\nfunction parseBorderRadius(bar, maxW, maxH) {\n var _bar$getProps2 = bar.getProps(['enableBorderRadius']),\n enableBorderRadius = _bar$getProps2.enableBorderRadius;\n\n var value = bar.options.borderRadius;\n var o = toTRBLCorners(value);\n var maxR = Math.min(maxW, maxH);\n var skip = bar.borderSkipped;\n var enableBorder = enableBorderRadius || isObject(value);\n return {\n topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR),\n topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR),\n bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR),\n bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR)\n };\n}\n\nfunction boundingRects(bar) {\n var bounds = getBarBounds(bar);\n var width = bounds.right - bounds.left;\n var height = bounds.bottom - bounds.top;\n var border = parseBorderWidth(bar, width / 2, height / 2);\n var radius = parseBorderRadius(bar, width / 2, height / 2);\n return {\n outer: {\n x: bounds.left,\n y: bounds.top,\n w: width,\n h: height,\n radius: radius\n },\n inner: {\n x: bounds.left + border.l,\n y: bounds.top + border.t,\n w: width - border.l - border.r,\n h: height - border.t - border.b,\n radius: {\n topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)),\n topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)),\n bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)),\n bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r))\n }\n }\n };\n}\n\nfunction _inRange(bar, x, y, useFinalPosition) {\n var skipX = x === null;\n var skipY = y === null;\n var skipBoth = skipX && skipY;\n var bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition);\n return bounds && (skipX || x >= bounds.left && x <= bounds.right) && (skipY || y >= bounds.top && y <= bounds.bottom);\n}\n\nfunction hasRadius(radius) {\n return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight;\n}\n\nfunction addNormalRectPath(ctx, rect) {\n ctx.rect(rect.x, rect.y, rect.w, rect.h);\n}\n\nfunction inflateRect(rect, amount) {\n var refRect = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n var x = rect.x !== refRect.x ? -amount : 0;\n var y = rect.y !== refRect.y ? -amount : 0;\n var w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x;\n var h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y;\n return {\n x: rect.x + x,\n y: rect.y + y,\n w: rect.w + w,\n h: rect.h + h,\n radius: rect.radius\n };\n}\n\nvar BarElement = /*#__PURE__*/function (_Element5) {\n _inherits(BarElement, _Element5);\n\n var _super15 = _createSuper(BarElement);\n\n function BarElement(cfg) {\n var _this10;\n\n _classCallCheck(this, BarElement);\n\n _this10 = _super15.call(this);\n _this10.options = undefined;\n _this10.horizontal = undefined;\n _this10.base = undefined;\n _this10.width = undefined;\n _this10.height = undefined;\n\n if (cfg) {\n Object.assign(_assertThisInitialized(_this10), cfg);\n }\n\n return _this10;\n }\n\n _createClass(BarElement, [{\n key: \"draw\",\n value: function draw(ctx) {\n var options = this.options;\n\n var _boundingRects = boundingRects(this),\n inner = _boundingRects.inner,\n outer = _boundingRects.outer;\n\n var addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath;\n var inflateAmount = 0.33;\n ctx.save();\n\n if (outer.w !== inner.w || outer.h !== inner.h) {\n ctx.beginPath();\n addRectPath(ctx, inflateRect(outer, inflateAmount, inner));\n ctx.clip();\n addRectPath(ctx, inflateRect(inner, -inflateAmount, outer));\n ctx.fillStyle = options.borderColor;\n ctx.fill('evenodd');\n }\n\n ctx.beginPath();\n addRectPath(ctx, inflateRect(inner, inflateAmount, outer));\n ctx.fillStyle = options.backgroundColor;\n ctx.fill();\n ctx.restore();\n }\n }, {\n key: \"inRange\",\n value: function inRange(mouseX, mouseY, useFinalPosition) {\n return _inRange(this, mouseX, mouseY, useFinalPosition);\n }\n }, {\n key: \"inXRange\",\n value: function inXRange(mouseX, useFinalPosition) {\n return _inRange(this, mouseX, null, useFinalPosition);\n }\n }, {\n key: \"inYRange\",\n value: function inYRange(mouseY, useFinalPosition) {\n return _inRange(this, null, mouseY, useFinalPosition);\n }\n }, {\n key: \"getCenterPoint\",\n value: function getCenterPoint(useFinalPosition) {\n var _this$getProps6 = this.getProps(['x', 'y', 'base', 'horizontal'], useFinalPosition),\n x = _this$getProps6.x,\n y = _this$getProps6.y,\n base = _this$getProps6.base,\n horizontal = _this$getProps6.horizontal;\n\n return {\n x: horizontal ? (x + base) / 2 : x,\n y: horizontal ? y : (y + base) / 2\n };\n }\n }, {\n key: \"getRange\",\n value: function getRange(axis) {\n return axis === 'x' ? this.width / 2 : this.height / 2;\n }\n }]);\n\n return BarElement;\n}(Element);\n\nBarElement.id = 'bar';\nBarElement.defaults = {\n borderSkipped: 'start',\n borderWidth: 0,\n borderRadius: 0,\n enableBorderRadius: true,\n pointStyle: undefined\n};\nBarElement.defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n};\nvar elements = /*#__PURE__*/Object.freeze({\n __proto__: null,\n ArcElement: ArcElement,\n LineElement: LineElement,\n PointElement: PointElement,\n BarElement: BarElement\n});\n\nfunction lttbDecimation(data, start, count, availableWidth, options) {\n var samples = options.samples || availableWidth;\n\n if (samples >= count) {\n return data.slice(start, start + count);\n }\n\n var decimated = [];\n var bucketWidth = (count - 2) / (samples - 2);\n var sampledIndex = 0;\n var endIndex = start + count - 1;\n var a = start;\n var i, maxAreaPoint, maxArea, area, nextA;\n decimated[sampledIndex++] = data[a];\n\n for (i = 0; i < samples - 2; i++) {\n var avgX = 0;\n var avgY = 0;\n var j = void 0;\n var avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start;\n var avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start;\n var avgRangeLength = avgRangeEnd - avgRangeStart;\n\n for (j = avgRangeStart; j < avgRangeEnd; j++) {\n avgX += data[j].x;\n avgY += data[j].y;\n }\n\n avgX /= avgRangeLength;\n avgY /= avgRangeLength;\n var rangeOffs = Math.floor(i * bucketWidth) + 1 + start;\n var rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start;\n var _data$a = data[a],\n pointAx = _data$a.x,\n pointAy = _data$a.y;\n maxArea = area = -1;\n\n for (j = rangeOffs; j < rangeTo; j++) {\n area = 0.5 * Math.abs((pointAx - avgX) * (data[j].y - pointAy) - (pointAx - data[j].x) * (avgY - pointAy));\n\n if (area > maxArea) {\n maxArea = area;\n maxAreaPoint = data[j];\n nextA = j;\n }\n }\n\n decimated[sampledIndex++] = maxAreaPoint;\n a = nextA;\n }\n\n decimated[sampledIndex++] = data[endIndex];\n return decimated;\n}\n\nfunction minMaxDecimation(data, start, count, availableWidth) {\n var avgX = 0;\n var countX = 0;\n var i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY;\n var decimated = [];\n var endIndex = start + count - 1;\n var xMin = data[start].x;\n var xMax = data[endIndex].x;\n var dx = xMax - xMin;\n\n for (i = start; i < start + count; ++i) {\n point = data[i];\n x = (point.x - xMin) / dx * availableWidth;\n y = point.y;\n var truncX = x | 0;\n\n if (truncX === prevX) {\n if (y < minY) {\n minY = y;\n minIndex = i;\n } else if (y > maxY) {\n maxY = y;\n maxIndex = i;\n }\n\n avgX = (countX * avgX + point.x) / ++countX;\n } else {\n var lastIndex = i - 1;\n\n if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) {\n var intermediateIndex1 = Math.min(minIndex, maxIndex);\n var intermediateIndex2 = Math.max(minIndex, maxIndex);\n\n if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) {\n decimated.push(_objectSpread({}, data[intermediateIndex1], {\n x: avgX\n }));\n }\n\n if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) {\n decimated.push(_objectSpread({}, data[intermediateIndex2], {\n x: avgX\n }));\n }\n }\n\n if (i > 0 && lastIndex !== startIndex) {\n decimated.push(data[lastIndex]);\n }\n\n decimated.push(point);\n prevX = truncX;\n countX = 0;\n minY = maxY = y;\n minIndex = maxIndex = startIndex = i;\n }\n }\n\n return decimated;\n}\n\nfunction cleanDecimatedDataset(dataset) {\n if (dataset._decimated) {\n var data = dataset._data;\n delete dataset._decimated;\n delete dataset._data;\n Object.defineProperty(dataset, 'data', {\n value: data\n });\n }\n}\n\nfunction cleanDecimatedData(chart) {\n chart.data.datasets.forEach(function (dataset) {\n cleanDecimatedDataset(dataset);\n });\n}\n\nfunction getStartAndCountOfVisiblePointsSimplified(meta, points) {\n var pointCount = points.length;\n var start = 0;\n var count;\n var iScale = meta.iScale;\n\n var _iScale$getUserBounds2 = iScale.getUserBounds(),\n min = _iScale$getUserBounds2.min,\n max = _iScale$getUserBounds2.max,\n minDefined = _iScale$getUserBounds2.minDefined,\n maxDefined = _iScale$getUserBounds2.maxDefined;\n\n if (minDefined) {\n start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1);\n }\n\n if (maxDefined) {\n count = _limitValue(_lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start;\n } else {\n count = pointCount - start;\n }\n\n return {\n start: start,\n count: count\n };\n}\n\nvar plugin_decimation = {\n id: 'decimation',\n defaults: {\n algorithm: 'min-max',\n enabled: false\n },\n beforeElementsUpdate: function beforeElementsUpdate(chart, args, options) {\n if (!options.enabled) {\n cleanDecimatedData(chart);\n return;\n }\n\n var availableWidth = chart.width;\n chart.data.datasets.forEach(function (dataset, datasetIndex) {\n var _data = dataset._data,\n indexAxis = dataset.indexAxis;\n var meta = chart.getDatasetMeta(datasetIndex);\n var data = _data || dataset.data;\n\n if (resolve([indexAxis, chart.options.indexAxis]) === 'y') {\n return;\n }\n\n if (meta.type !== 'line') {\n return;\n }\n\n var xAxis = chart.scales[meta.xAxisID];\n\n if (xAxis.type !== 'linear' && xAxis.type !== 'time') {\n return;\n }\n\n if (chart.options.parsing) {\n return;\n }\n\n var _getStartAndCountOfVi2 = getStartAndCountOfVisiblePointsSimplified(meta, data),\n start = _getStartAndCountOfVi2.start,\n count = _getStartAndCountOfVi2.count;\n\n var threshold = options.threshold || 4 * availableWidth;\n\n if (count <= threshold) {\n cleanDecimatedDataset(dataset);\n return;\n }\n\n if (isNullOrUndef(_data)) {\n dataset._data = data;\n delete dataset.data;\n Object.defineProperty(dataset, 'data', {\n configurable: true,\n enumerable: true,\n get: function get() {\n return this._decimated;\n },\n set: function set(d) {\n this._data = d;\n }\n });\n }\n\n var decimated;\n\n switch (options.algorithm) {\n case 'lttb':\n decimated = lttbDecimation(data, start, count, availableWidth, options);\n break;\n\n case 'min-max':\n decimated = minMaxDecimation(data, start, count, availableWidth);\n break;\n\n default:\n throw new Error(\"Unsupported decimation algorithm '\".concat(options.algorithm, \"'\"));\n }\n\n dataset._decimated = decimated;\n });\n },\n destroy: function destroy(chart) {\n cleanDecimatedData(chart);\n }\n};\n\nfunction getLineByIndex(chart, index) {\n var meta = chart.getDatasetMeta(index);\n var visible = meta && chart.isDatasetVisible(index);\n return visible ? meta.dataset : null;\n}\n\nfunction parseFillOption(line) {\n var options = line.options;\n var fillOption = options.fill;\n var fill = valueOrDefault(fillOption && fillOption.target, fillOption);\n\n if (fill === undefined) {\n fill = !!options.backgroundColor;\n }\n\n if (fill === false || fill === null) {\n return false;\n }\n\n if (fill === true) {\n return 'origin';\n }\n\n return fill;\n}\n\nfunction decodeFill(line, index, count) {\n var fill = parseFillOption(line);\n\n if (isObject(fill)) {\n return isNaN(fill.value) ? false : fill;\n }\n\n var target = parseFloat(fill);\n\n if (isNumberFinite(target) && Math.floor(target) === target) {\n if (fill[0] === '-' || fill[0] === '+') {\n target = index + target;\n }\n\n if (target === index || target < 0 || target >= count) {\n return false;\n }\n\n return target;\n }\n\n return ['origin', 'start', 'end', 'stack', 'shape'].indexOf(fill) >= 0 && fill;\n}\n\nfunction computeLinearBoundary(source) {\n var _source$scale = source.scale,\n scale = _source$scale === void 0 ? {} : _source$scale,\n fill = source.fill;\n var target = null;\n var horizontal;\n\n if (fill === 'start') {\n target = scale.bottom;\n } else if (fill === 'end') {\n target = scale.top;\n } else if (isObject(fill)) {\n target = scale.getPixelForValue(fill.value);\n } else if (scale.getBasePixel) {\n target = scale.getBasePixel();\n }\n\n if (isNumberFinite(target)) {\n horizontal = scale.isHorizontal();\n return {\n x: horizontal ? target : null,\n y: horizontal ? null : target\n };\n }\n\n return null;\n}\n\nvar simpleArc = /*#__PURE__*/function () {\n function simpleArc(opts) {\n _classCallCheck(this, simpleArc);\n\n this.x = opts.x;\n this.y = opts.y;\n this.radius = opts.radius;\n }\n\n _createClass(simpleArc, [{\n key: \"pathSegment\",\n value: function pathSegment(ctx, bounds, opts) {\n var x = this.x,\n y = this.y,\n radius = this.radius;\n bounds = bounds || {\n start: 0,\n end: TAU\n };\n ctx.arc(x, y, radius, bounds.end, bounds.start, true);\n return !opts.bounds;\n }\n }, {\n key: \"interpolate\",\n value: function interpolate(point) {\n var x = this.x,\n y = this.y,\n radius = this.radius;\n var angle = point.angle;\n return {\n x: x + Math.cos(angle) * radius,\n y: y + Math.sin(angle) * radius,\n angle: angle\n };\n }\n }]);\n\n return simpleArc;\n}();\n\nfunction computeCircularBoundary(source) {\n var scale = source.scale,\n fill = source.fill;\n var options = scale.options;\n var length = scale.getLabels().length;\n var target = [];\n var start = options.reverse ? scale.max : scale.min;\n var end = options.reverse ? scale.min : scale.max;\n var i, center, value;\n\n if (fill === 'start') {\n value = start;\n } else if (fill === 'end') {\n value = end;\n } else if (isObject(fill)) {\n value = fill.value;\n } else {\n value = scale.getBaseValue();\n }\n\n if (options.grid.circular) {\n center = scale.getPointPositionForValue(0, start);\n return new simpleArc({\n x: center.x,\n y: center.y,\n radius: scale.getDistanceFromCenterForValue(value)\n });\n }\n\n for (i = 0; i < length; ++i) {\n target.push(scale.getPointPositionForValue(i, value));\n }\n\n return target;\n}\n\nfunction computeBoundary(source) {\n var scale = source.scale || {};\n\n if (scale.getPointPositionForValue) {\n return computeCircularBoundary(source);\n }\n\n return computeLinearBoundary(source);\n}\n\nfunction findSegmentEnd(start, end, points) {\n for (; end > start; end--) {\n var point = points[end];\n\n if (!isNaN(point.x) && !isNaN(point.y)) {\n break;\n }\n }\n\n return end;\n}\n\nfunction pointsFromSegments(boundary, line) {\n var _ref7 = boundary || {},\n _ref7$x = _ref7.x,\n x = _ref7$x === void 0 ? null : _ref7$x,\n _ref7$y = _ref7.y,\n y = _ref7$y === void 0 ? null : _ref7$y;\n\n var linePoints = line.points;\n var points = [];\n line.segments.forEach(function (_ref8) {\n var start = _ref8.start,\n end = _ref8.end;\n end = findSegmentEnd(start, end, linePoints);\n var first = linePoints[start];\n var last = linePoints[end];\n\n if (y !== null) {\n points.push({\n x: first.x,\n y: y\n });\n points.push({\n x: last.x,\n y: y\n });\n } else if (x !== null) {\n points.push({\n x: x,\n y: first.y\n });\n points.push({\n x: x,\n y: last.y\n });\n }\n });\n return points;\n}\n\nfunction buildStackLine(source) {\n var chart = source.chart,\n scale = source.scale,\n index = source.index,\n line = source.line;\n var points = [];\n var segments = line.segments;\n var sourcePoints = line.points;\n var linesBelow = getLinesBelow(chart, index);\n linesBelow.push(createBoundaryLine({\n x: null,\n y: scale.bottom\n }, line));\n\n for (var i = 0; i < segments.length; i++) {\n var segment = segments[i];\n\n for (var j = segment.start; j <= segment.end; j++) {\n addPointsBelow(points, sourcePoints[j], linesBelow);\n }\n }\n\n return new LineElement({\n points: points,\n options: {}\n });\n}\n\nvar isLineAndNotInHideAnimation = function isLineAndNotInHideAnimation(meta) {\n return meta.type === 'line' && !meta.hidden;\n};\n\nfunction getLinesBelow(chart, index) {\n var below = [];\n var metas = chart.getSortedVisibleDatasetMetas();\n\n for (var i = 0; i < metas.length; i++) {\n var meta = metas[i];\n\n if (meta.index === index) {\n break;\n }\n\n if (isLineAndNotInHideAnimation(meta)) {\n below.unshift(meta.dataset);\n }\n }\n\n return below;\n}\n\nfunction addPointsBelow(points, sourcePoint, linesBelow) {\n var postponed = [];\n\n for (var j = 0; j < linesBelow.length; j++) {\n var line = linesBelow[j];\n\n var _findPoint = findPoint(line, sourcePoint, 'x'),\n first = _findPoint.first,\n last = _findPoint.last,\n point = _findPoint.point;\n\n if (!point || first && last) {\n continue;\n }\n\n if (first) {\n postponed.unshift(point);\n } else {\n points.push(point);\n\n if (!last) {\n break;\n }\n }\n }\n\n points.push.apply(points, postponed);\n}\n\nfunction findPoint(line, sourcePoint, property) {\n var point = line.interpolate(sourcePoint, property);\n\n if (!point) {\n return {};\n }\n\n var pointValue = point[property];\n var segments = line.segments;\n var linePoints = line.points;\n var first = false;\n var last = false;\n\n for (var i = 0; i < segments.length; i++) {\n var segment = segments[i];\n var firstValue = linePoints[segment.start][property];\n var lastValue = linePoints[segment.end][property];\n\n if (pointValue >= firstValue && pointValue <= lastValue) {\n first = pointValue === firstValue;\n last = pointValue === lastValue;\n break;\n }\n }\n\n return {\n first: first,\n last: last,\n point: point\n };\n}\n\nfunction getTarget(source) {\n var chart = source.chart,\n fill = source.fill,\n line = source.line;\n\n if (isNumberFinite(fill)) {\n return getLineByIndex(chart, fill);\n }\n\n if (fill === 'stack') {\n return buildStackLine(source);\n }\n\n if (fill === 'shape') {\n return true;\n }\n\n var boundary = computeBoundary(source);\n\n if (boundary instanceof simpleArc) {\n return boundary;\n }\n\n return createBoundaryLine(boundary, line);\n}\n\nfunction createBoundaryLine(boundary, line) {\n var points = [];\n var _loop = false;\n\n if (isArray(boundary)) {\n _loop = true;\n points = boundary;\n } else {\n points = pointsFromSegments(boundary, line);\n }\n\n return points.length ? new LineElement({\n points: points,\n options: {\n tension: 0\n },\n _loop: _loop,\n _fullLoop: _loop\n }) : null;\n}\n\nfunction resolveTarget(sources, index, propagate) {\n var source = sources[index];\n var fill = source.fill;\n var visited = [index];\n var target;\n\n if (!propagate) {\n return fill;\n }\n\n while (fill !== false && visited.indexOf(fill) === -1) {\n if (!isNumberFinite(fill)) {\n return fill;\n }\n\n target = sources[fill];\n\n if (!target) {\n return false;\n }\n\n if (target.visible) {\n return fill;\n }\n\n visited.push(fill);\n fill = target.fill;\n }\n\n return false;\n}\n\nfunction _clip(ctx, target, clipY) {\n ctx.beginPath();\n target.path(ctx);\n ctx.lineTo(target.last().x, clipY);\n ctx.lineTo(target.first().x, clipY);\n ctx.closePath();\n ctx.clip();\n}\n\nfunction getBounds(property, first, last, loop) {\n if (loop) {\n return;\n }\n\n var start = first[property];\n var end = last[property];\n\n if (property === 'angle') {\n start = _normalizeAngle(start);\n end = _normalizeAngle(end);\n }\n\n return {\n property: property,\n start: start,\n end: end\n };\n}\n\nfunction _getEdge(a, b, prop, fn) {\n if (a && b) {\n return fn(a[prop], b[prop]);\n }\n\n return a ? a[prop] : b ? b[prop] : 0;\n}\n\nfunction _segments(line, target, property) {\n var segments = line.segments;\n var points = line.points;\n var tpoints = target.points;\n var parts = [];\n\n var _iterator12 = _createForOfIteratorHelper(segments),\n _step12;\n\n try {\n for (_iterator12.s(); !(_step12 = _iterator12.n()).done;) {\n var segment = _step12.value;\n var start = segment.start,\n end = segment.end;\n end = findSegmentEnd(start, end, points);\n var bounds = getBounds(property, points[start], points[end], segment.loop);\n\n if (!target.segments) {\n parts.push({\n source: segment,\n target: bounds,\n start: points[start],\n end: points[end]\n });\n continue;\n }\n\n var targetSegments = _boundSegments(target, bounds);\n\n var _iterator13 = _createForOfIteratorHelper(targetSegments),\n _step13;\n\n try {\n for (_iterator13.s(); !(_step13 = _iterator13.n()).done;) {\n var tgt = _step13.value;\n var subBounds = getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop);\n\n var fillSources = _boundSegment(segment, points, subBounds);\n\n var _iterator14 = _createForOfIteratorHelper(fillSources),\n _step14;\n\n try {\n for (_iterator14.s(); !(_step14 = _iterator14.n()).done;) {\n var fillSource = _step14.value;\n parts.push({\n source: fillSource,\n target: tgt,\n start: _defineProperty({}, property, _getEdge(bounds, subBounds, 'start', Math.max)),\n end: _defineProperty({}, property, _getEdge(bounds, subBounds, 'end', Math.min))\n });\n }\n } catch (err) {\n _iterator14.e(err);\n } finally {\n _iterator14.f();\n }\n }\n } catch (err) {\n _iterator13.e(err);\n } finally {\n _iterator13.f();\n }\n }\n } catch (err) {\n _iterator12.e(err);\n } finally {\n _iterator12.f();\n }\n\n return parts;\n}\n\nfunction clipBounds(ctx, scale, bounds) {\n var _scale$chart$chartAre = scale.chart.chartArea,\n top = _scale$chart$chartAre.top,\n bottom = _scale$chart$chartAre.bottom;\n\n var _ref9 = bounds || {},\n property = _ref9.property,\n start = _ref9.start,\n end = _ref9.end;\n\n if (property === 'x') {\n ctx.beginPath();\n ctx.rect(start, top, end - start, bottom - top);\n ctx.clip();\n }\n}\n\nfunction interpolatedLineTo(ctx, target, point, property) {\n var interpolatedPoint = target.interpolate(point, property);\n\n if (interpolatedPoint) {\n ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y);\n }\n}\n\nfunction _fill(ctx, cfg) {\n var line = cfg.line,\n target = cfg.target,\n property = cfg.property,\n color = cfg.color,\n scale = cfg.scale;\n\n var segments = _segments(line, target, property);\n\n var _iterator15 = _createForOfIteratorHelper(segments),\n _step15;\n\n try {\n for (_iterator15.s(); !(_step15 = _iterator15.n()).done;) {\n var _ref11 = _step15.value;\n var src = _ref11.source;\n var tgt = _ref11.target;\n var start = _ref11.start;\n var end = _ref11.end;\n var _src$style = src.style;\n _src$style = _src$style === void 0 ? {} : _src$style;\n var _src$style$background = _src$style.backgroundColor,\n backgroundColor = _src$style$background === void 0 ? color : _src$style$background;\n var notShape = target !== true;\n ctx.save();\n ctx.fillStyle = backgroundColor;\n clipBounds(ctx, scale, notShape && getBounds(property, start, end));\n ctx.beginPath();\n var lineLoop = !!line.pathSegment(ctx, src);\n var loop = void 0;\n\n if (notShape) {\n if (lineLoop) {\n ctx.closePath();\n } else {\n interpolatedLineTo(ctx, target, end, property);\n }\n\n var targetLoop = !!target.pathSegment(ctx, tgt, {\n move: lineLoop,\n reverse: true\n });\n loop = lineLoop && targetLoop;\n\n if (!loop) {\n interpolatedLineTo(ctx, target, start, property);\n }\n }\n\n ctx.closePath();\n ctx.fill(loop ? 'evenodd' : 'nonzero');\n ctx.restore();\n }\n } catch (err) {\n _iterator15.e(err);\n } finally {\n _iterator15.f();\n }\n}\n\nfunction doFill(ctx, cfg) {\n var line = cfg.line,\n target = cfg.target,\n above = cfg.above,\n below = cfg.below,\n area = cfg.area,\n scale = cfg.scale;\n var property = line._loop ? 'angle' : cfg.axis;\n ctx.save();\n\n if (property === 'x' && below !== above) {\n _clip(ctx, target, area.top);\n\n _fill(ctx, {\n line: line,\n target: target,\n color: above,\n scale: scale,\n property: property\n });\n\n ctx.restore();\n ctx.save();\n\n _clip(ctx, target, area.bottom);\n }\n\n _fill(ctx, {\n line: line,\n target: target,\n color: below,\n scale: scale,\n property: property\n });\n\n ctx.restore();\n}\n\nfunction drawfill(ctx, source, area) {\n var target = getTarget(source);\n var line = source.line,\n scale = source.scale,\n axis = source.axis;\n var lineOpts = line.options;\n var fillOption = lineOpts.fill;\n var color = lineOpts.backgroundColor;\n\n var _ref12 = fillOption || {},\n _ref12$above = _ref12.above,\n above = _ref12$above === void 0 ? color : _ref12$above,\n _ref12$below = _ref12.below,\n below = _ref12$below === void 0 ? color : _ref12$below;\n\n if (target && line.points.length) {\n clipArea(ctx, area);\n doFill(ctx, {\n line: line,\n target: target,\n above: above,\n below: below,\n area: area,\n scale: scale,\n axis: axis\n });\n unclipArea(ctx);\n }\n}\n\nvar plugin_filler = {\n id: 'filler',\n afterDatasetsUpdate: function afterDatasetsUpdate(chart, _args, options) {\n var count = (chart.data.datasets || []).length;\n var sources = [];\n var meta, i, line, source;\n\n for (i = 0; i < count; ++i) {\n meta = chart.getDatasetMeta(i);\n line = meta.dataset;\n source = null;\n\n if (line && line.options && line instanceof LineElement) {\n source = {\n visible: chart.isDatasetVisible(i),\n index: i,\n fill: decodeFill(line, i, count),\n chart: chart,\n axis: meta.controller.options.indexAxis,\n scale: meta.vScale,\n line: line\n };\n }\n\n meta.$filler = source;\n sources.push(source);\n }\n\n for (i = 0; i < count; ++i) {\n source = sources[i];\n\n if (!source || source.fill === false) {\n continue;\n }\n\n source.fill = resolveTarget(sources, i, options.propagate);\n }\n },\n beforeDraw: function beforeDraw(chart, _args, options) {\n var draw = options.drawTime === 'beforeDraw';\n var metasets = chart.getSortedVisibleDatasetMetas();\n var area = chart.chartArea;\n\n for (var i = metasets.length - 1; i >= 0; --i) {\n var source = metasets[i].$filler;\n\n if (!source) {\n continue;\n }\n\n source.line.updateControlPoints(area, source.axis);\n\n if (draw) {\n drawfill(chart.ctx, source, area);\n }\n }\n },\n beforeDatasetsDraw: function beforeDatasetsDraw(chart, _args, options) {\n if (options.drawTime !== 'beforeDatasetsDraw') {\n return;\n }\n\n var metasets = chart.getSortedVisibleDatasetMetas();\n\n for (var i = metasets.length - 1; i >= 0; --i) {\n var source = metasets[i].$filler;\n\n if (source) {\n drawfill(chart.ctx, source, chart.chartArea);\n }\n }\n },\n beforeDatasetDraw: function beforeDatasetDraw(chart, args, options) {\n var source = args.meta.$filler;\n\n if (!source || source.fill === false || options.drawTime !== 'beforeDatasetDraw') {\n return;\n }\n\n drawfill(chart.ctx, source, chart.chartArea);\n },\n defaults: {\n propagate: true,\n drawTime: 'beforeDatasetDraw'\n }\n};\n\nvar getBoxSize = function getBoxSize(labelOpts, fontSize) {\n var _labelOpts$boxHeight = labelOpts.boxHeight,\n boxHeight = _labelOpts$boxHeight === void 0 ? fontSize : _labelOpts$boxHeight,\n _labelOpts$boxWidth = labelOpts.boxWidth,\n boxWidth = _labelOpts$boxWidth === void 0 ? fontSize : _labelOpts$boxWidth;\n\n if (labelOpts.usePointStyle) {\n boxHeight = Math.min(boxHeight, fontSize);\n boxWidth = Math.min(boxWidth, fontSize);\n }\n\n return {\n boxWidth: boxWidth,\n boxHeight: boxHeight,\n itemHeight: Math.max(fontSize, boxHeight)\n };\n};\n\nvar itemsEqual = function itemsEqual(a, b) {\n return a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index;\n};\n\nvar Legend = /*#__PURE__*/function (_Element6) {\n _inherits(Legend, _Element6);\n\n var _super16 = _createSuper(Legend);\n\n function Legend(config) {\n var _this11;\n\n _classCallCheck(this, Legend);\n\n _this11 = _super16.call(this);\n _this11._added = false;\n _this11.legendHitBoxes = [];\n _this11._hoveredItem = null;\n _this11.doughnutMode = false;\n _this11.chart = config.chart;\n _this11.options = config.options;\n _this11.ctx = config.ctx;\n _this11.legendItems = undefined;\n _this11.columnSizes = undefined;\n _this11.lineWidths = undefined;\n _this11.maxHeight = undefined;\n _this11.maxWidth = undefined;\n _this11.top = undefined;\n _this11.bottom = undefined;\n _this11.left = undefined;\n _this11.right = undefined;\n _this11.height = undefined;\n _this11.width = undefined;\n _this11._margins = undefined;\n _this11.position = undefined;\n _this11.weight = undefined;\n _this11.fullSize = undefined;\n return _this11;\n }\n\n _createClass(Legend, [{\n key: \"update\",\n value: function update(maxWidth, maxHeight, margins) {\n var me = this;\n me.maxWidth = maxWidth;\n me.maxHeight = maxHeight;\n me._margins = margins;\n me.setDimensions();\n me.buildLabels();\n me.fit();\n }\n }, {\n key: \"setDimensions\",\n value: function setDimensions() {\n var me = this;\n\n if (me.isHorizontal()) {\n me.width = me.maxWidth;\n me.left = me._margins.left;\n me.right = me.width;\n } else {\n me.height = me.maxHeight;\n me.top = me._margins.top;\n me.bottom = me.height;\n }\n }\n }, {\n key: \"buildLabels\",\n value: function buildLabels() {\n var me = this;\n var labelOpts = me.options.labels || {};\n var legendItems = callback(labelOpts.generateLabels, [me.chart], me) || [];\n\n if (labelOpts.filter) {\n legendItems = legendItems.filter(function (item) {\n return labelOpts.filter(item, me.chart.data);\n });\n }\n\n if (labelOpts.sort) {\n legendItems = legendItems.sort(function (a, b) {\n return labelOpts.sort(a, b, me.chart.data);\n });\n }\n\n if (me.options.reverse) {\n legendItems.reverse();\n }\n\n me.legendItems = legendItems;\n }\n }, {\n key: \"fit\",\n value: function fit() {\n var me = this;\n var options = me.options,\n ctx = me.ctx;\n\n if (!options.display) {\n me.width = me.height = 0;\n return;\n }\n\n var labelOpts = options.labels;\n var labelFont = toFont(labelOpts.font);\n var fontSize = labelFont.size;\n\n var titleHeight = me._computeTitleHeight();\n\n var _getBoxSize = getBoxSize(labelOpts, fontSize),\n boxWidth = _getBoxSize.boxWidth,\n itemHeight = _getBoxSize.itemHeight;\n\n var width, height;\n ctx.font = labelFont.string;\n\n if (me.isHorizontal()) {\n width = me.maxWidth;\n height = me._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10;\n } else {\n height = me.maxHeight;\n width = me._fitCols(titleHeight, fontSize, boxWidth, itemHeight) + 10;\n }\n\n me.width = Math.min(width, options.maxWidth || me.maxWidth);\n me.height = Math.min(height, options.maxHeight || me.maxHeight);\n }\n }, {\n key: \"_fitRows\",\n value: function _fitRows(titleHeight, fontSize, boxWidth, itemHeight) {\n var me = this;\n var ctx = me.ctx,\n maxWidth = me.maxWidth,\n padding = me.options.labels.padding;\n var hitboxes = me.legendHitBoxes = [];\n var lineWidths = me.lineWidths = [0];\n var lineHeight = itemHeight + padding;\n var totalHeight = titleHeight;\n ctx.textAlign = 'left';\n ctx.textBaseline = 'middle';\n var row = -1;\n var top = -lineHeight;\n me.legendItems.forEach(function (legendItem, i) {\n var itemWidth = boxWidth + fontSize / 2 + ctx.measureText(legendItem.text).width;\n\n if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) {\n totalHeight += lineHeight;\n lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0;\n top += lineHeight;\n row++;\n }\n\n hitboxes[i] = {\n left: 0,\n top: top,\n row: row,\n width: itemWidth,\n height: itemHeight\n };\n lineWidths[lineWidths.length - 1] += itemWidth + padding;\n });\n return totalHeight;\n }\n }, {\n key: \"_fitCols\",\n value: function _fitCols(titleHeight, fontSize, boxWidth, itemHeight) {\n var me = this;\n var ctx = me.ctx,\n maxHeight = me.maxHeight,\n padding = me.options.labels.padding;\n var hitboxes = me.legendHitBoxes = [];\n var columnSizes = me.columnSizes = [];\n var heightLimit = maxHeight - titleHeight;\n var totalWidth = padding;\n var currentColWidth = 0;\n var currentColHeight = 0;\n var left = 0;\n var col = 0;\n me.legendItems.forEach(function (legendItem, i) {\n var itemWidth = boxWidth + fontSize / 2 + ctx.measureText(legendItem.text).width;\n\n if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) {\n totalWidth += currentColWidth + padding;\n columnSizes.push({\n width: currentColWidth,\n height: currentColHeight\n });\n left += currentColWidth + padding;\n col++;\n currentColWidth = currentColHeight = 0;\n }\n\n hitboxes[i] = {\n left: left,\n top: currentColHeight,\n col: col,\n width: itemWidth,\n height: itemHeight\n };\n currentColWidth = Math.max(currentColWidth, itemWidth);\n currentColHeight += itemHeight + padding;\n });\n totalWidth += currentColWidth;\n columnSizes.push({\n width: currentColWidth,\n height: currentColHeight\n });\n return totalWidth;\n }\n }, {\n key: \"adjustHitBoxes\",\n value: function adjustHitBoxes() {\n var me = this;\n\n if (!me.options.display) {\n return;\n }\n\n var titleHeight = me._computeTitleHeight();\n\n var hitboxes = me.legendHitBoxes,\n _me$options6 = me.options,\n align = _me$options6.align,\n padding = _me$options6.labels.padding,\n rtl = _me$options6.rtl;\n var rtlHelper = getRtlAdapter(rtl, me.left, me.width);\n\n if (this.isHorizontal()) {\n var row = 0;\n\n var left = _alignStartEnd(align, me.left + padding, me.right - me.lineWidths[row]);\n\n var _iterator16 = _createForOfIteratorHelper(hitboxes),\n _step16;\n\n try {\n for (_iterator16.s(); !(_step16 = _iterator16.n()).done;) {\n var hitbox = _step16.value;\n\n if (row !== hitbox.row) {\n row = hitbox.row;\n left = _alignStartEnd(align, me.left + padding, me.right - me.lineWidths[row]);\n }\n\n hitbox.top += me.top + titleHeight + padding;\n hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width);\n left += hitbox.width + padding;\n }\n } catch (err) {\n _iterator16.e(err);\n } finally {\n _iterator16.f();\n }\n } else {\n var col = 0;\n\n var top = _alignStartEnd(align, me.top + titleHeight + padding, me.bottom - me.columnSizes[col].height);\n\n var _iterator17 = _createForOfIteratorHelper(hitboxes),\n _step17;\n\n try {\n for (_iterator17.s(); !(_step17 = _iterator17.n()).done;) {\n var _hitbox = _step17.value;\n\n if (_hitbox.col !== col) {\n col = _hitbox.col;\n top = _alignStartEnd(align, me.top + titleHeight + padding, me.bottom - me.columnSizes[col].height);\n }\n\n _hitbox.top = top;\n _hitbox.left += me.left + padding;\n _hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(_hitbox.left), _hitbox.width);\n top += _hitbox.height + padding;\n }\n } catch (err) {\n _iterator17.e(err);\n } finally {\n _iterator17.f();\n }\n }\n }\n }, {\n key: \"isHorizontal\",\n value: function isHorizontal() {\n return this.options.position === 'top' || this.options.position === 'bottom';\n }\n }, {\n key: \"draw\",\n value: function draw() {\n var me = this;\n\n if (me.options.display) {\n var ctx = me.ctx;\n clipArea(ctx, me);\n\n me._draw();\n\n unclipArea(ctx);\n }\n }\n }, {\n key: \"_draw\",\n value: function _draw() {\n var me = this;\n var opts = me.options,\n columnSizes = me.columnSizes,\n lineWidths = me.lineWidths,\n ctx = me.ctx;\n var align = opts.align,\n labelOpts = opts.labels;\n var defaultColor = defaults.color;\n var rtlHelper = getRtlAdapter(opts.rtl, me.left, me.width);\n var labelFont = toFont(labelOpts.font);\n var fontColor = labelOpts.color,\n padding = labelOpts.padding;\n var fontSize = labelFont.size;\n var halfFontSize = fontSize / 2;\n var cursor;\n me.drawTitle();\n ctx.textAlign = rtlHelper.textAlign('left');\n ctx.textBaseline = 'middle';\n ctx.lineWidth = 0.5;\n ctx.font = labelFont.string;\n\n var _getBoxSize2 = getBoxSize(labelOpts, fontSize),\n boxWidth = _getBoxSize2.boxWidth,\n boxHeight = _getBoxSize2.boxHeight,\n itemHeight = _getBoxSize2.itemHeight;\n\n var drawLegendBox = function drawLegendBox(x, y, legendItem) {\n if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) {\n return;\n }\n\n ctx.save();\n var lineWidth = valueOrDefault(legendItem.lineWidth, 1);\n ctx.fillStyle = valueOrDefault(legendItem.fillStyle, defaultColor);\n ctx.lineCap = valueOrDefault(legendItem.lineCap, 'butt');\n ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, 0);\n ctx.lineJoin = valueOrDefault(legendItem.lineJoin, 'miter');\n ctx.lineWidth = lineWidth;\n ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, defaultColor);\n ctx.setLineDash(valueOrDefault(legendItem.lineDash, []));\n\n if (labelOpts.usePointStyle) {\n var drawOptions = {\n radius: boxWidth * Math.SQRT2 / 2,\n pointStyle: legendItem.pointStyle,\n rotation: legendItem.rotation,\n borderWidth: lineWidth\n };\n var centerX = rtlHelper.xPlus(x, boxWidth / 2);\n var centerY = y + halfFontSize;\n drawPoint(ctx, drawOptions, centerX, centerY);\n } else {\n var yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0);\n var xBoxLeft = rtlHelper.leftForLtr(x, boxWidth);\n var borderRadius = toTRBLCorners(legendItem.borderRadius);\n ctx.beginPath();\n\n if (Object.values(borderRadius).some(function (v) {\n return v !== 0;\n })) {\n addRoundedRectPath(ctx, {\n x: xBoxLeft,\n y: yBoxTop,\n w: boxWidth,\n h: boxHeight,\n radius: borderRadius\n });\n } else {\n ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight);\n }\n\n ctx.fill();\n\n if (lineWidth !== 0) {\n ctx.stroke();\n }\n }\n\n ctx.restore();\n };\n\n var fillText = function fillText(x, y, legendItem) {\n renderText(ctx, legendItem.text, x, y + itemHeight / 2, labelFont, {\n strikethrough: legendItem.hidden,\n textAlign: rtlHelper.textAlign(legendItem.textAlign)\n });\n };\n\n var isHorizontal = me.isHorizontal();\n\n var titleHeight = this._computeTitleHeight();\n\n if (isHorizontal) {\n cursor = {\n x: _alignStartEnd(align, me.left + padding, me.right - lineWidths[0]),\n y: me.top + padding + titleHeight,\n line: 0\n };\n } else {\n cursor = {\n x: me.left + padding,\n y: _alignStartEnd(align, me.top + titleHeight + padding, me.bottom - columnSizes[0].height),\n line: 0\n };\n }\n\n overrideTextDirection(me.ctx, opts.textDirection);\n var lineHeight = itemHeight + padding;\n me.legendItems.forEach(function (legendItem, i) {\n ctx.strokeStyle = legendItem.fontColor || fontColor;\n ctx.fillStyle = legendItem.fontColor || fontColor;\n var textWidth = ctx.measureText(legendItem.text).width;\n var textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign));\n var width = boxWidth + halfFontSize + textWidth;\n var x = cursor.x;\n var y = cursor.y;\n rtlHelper.setWidth(me.width);\n\n if (isHorizontal) {\n if (i > 0 && x + width + padding > me.right) {\n y = cursor.y += lineHeight;\n cursor.line++;\n x = cursor.x = _alignStartEnd(align, me.left + padding, me.right - lineWidths[cursor.line]);\n }\n } else if (i > 0 && y + lineHeight > me.bottom) {\n x = cursor.x = x + columnSizes[cursor.line].width + padding;\n cursor.line++;\n y = cursor.y = _alignStartEnd(align, me.top + titleHeight + padding, me.bottom - columnSizes[cursor.line].height);\n }\n\n var realX = rtlHelper.x(x);\n drawLegendBox(realX, y, legendItem);\n x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : me.right, opts.rtl);\n fillText(rtlHelper.x(x), y, legendItem);\n\n if (isHorizontal) {\n cursor.x += width + padding;\n } else {\n cursor.y += lineHeight;\n }\n });\n restoreTextDirection(me.ctx, opts.textDirection);\n }\n }, {\n key: \"drawTitle\",\n value: function drawTitle() {\n var me = this;\n var opts = me.options;\n var titleOpts = opts.title;\n var titleFont = toFont(titleOpts.font);\n var titlePadding = toPadding(titleOpts.padding);\n\n if (!titleOpts.display) {\n return;\n }\n\n var rtlHelper = getRtlAdapter(opts.rtl, me.left, me.width);\n var ctx = me.ctx;\n var position = titleOpts.position;\n var halfFontSize = titleFont.size / 2;\n var topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize;\n var y;\n var left = me.left;\n var maxWidth = me.width;\n\n if (this.isHorizontal()) {\n maxWidth = Math.max.apply(Math, _toConsumableArray(me.lineWidths));\n y = me.top + topPaddingPlusHalfFontSize;\n left = _alignStartEnd(opts.align, left, me.right - maxWidth);\n } else {\n var maxHeight = me.columnSizes.reduce(function (acc, size) {\n return Math.max(acc, size.height);\n }, 0);\n y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, me.top, me.bottom - maxHeight - opts.labels.padding - me._computeTitleHeight());\n }\n\n var x = _alignStartEnd(position, left, left + maxWidth);\n\n ctx.textAlign = rtlHelper.textAlign(_toLeftRightCenter(position));\n ctx.textBaseline = 'middle';\n ctx.strokeStyle = titleOpts.color;\n ctx.fillStyle = titleOpts.color;\n ctx.font = titleFont.string;\n renderText(ctx, titleOpts.text, x, y, titleFont);\n }\n }, {\n key: \"_computeTitleHeight\",\n value: function _computeTitleHeight() {\n var titleOpts = this.options.title;\n var titleFont = toFont(titleOpts.font);\n var titlePadding = toPadding(titleOpts.padding);\n return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0;\n }\n }, {\n key: \"_getLegendItemAt\",\n value: function _getLegendItemAt(x, y) {\n var me = this;\n var i, hitBox, lh;\n\n if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) {\n lh = me.legendHitBoxes;\n\n for (i = 0; i < lh.length; ++i) {\n hitBox = lh[i];\n\n if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) {\n return me.legendItems[i];\n }\n }\n }\n\n return null;\n }\n }, {\n key: \"handleEvent\",\n value: function handleEvent(e) {\n var me = this;\n var opts = me.options;\n\n if (!isListened(e.type, opts)) {\n return;\n }\n\n var hoveredItem = me._getLegendItemAt(e.x, e.y);\n\n if (e.type === 'mousemove') {\n var previous = me._hoveredItem;\n var sameItem = itemsEqual(previous, hoveredItem);\n\n if (previous && !sameItem) {\n callback(opts.onLeave, [e, previous, me], me);\n }\n\n me._hoveredItem = hoveredItem;\n\n if (hoveredItem && !sameItem) {\n callback(opts.onHover, [e, hoveredItem, me], me);\n }\n } else if (hoveredItem) {\n callback(opts.onClick, [e, hoveredItem, me], me);\n }\n }\n }]);\n\n return Legend;\n}(Element);\n\nfunction isListened(type, opts) {\n if (type === 'mousemove' && (opts.onHover || opts.onLeave)) {\n return true;\n }\n\n if (opts.onClick && (type === 'click' || type === 'mouseup')) {\n return true;\n }\n\n return false;\n}\n\nvar plugin_legend = {\n id: 'legend',\n _element: Legend,\n start: function start(chart, _args, options) {\n var legend = chart.legend = new Legend({\n ctx: chart.ctx,\n options: options,\n chart: chart\n });\n layouts.configure(chart, legend, options);\n layouts.addBox(chart, legend);\n },\n stop: function stop(chart) {\n layouts.removeBox(chart, chart.legend);\n delete chart.legend;\n },\n beforeUpdate: function beforeUpdate(chart, _args, options) {\n var legend = chart.legend;\n layouts.configure(chart, legend, options);\n legend.options = options;\n },\n afterUpdate: function afterUpdate(chart) {\n var legend = chart.legend;\n legend.buildLabels();\n legend.adjustHitBoxes();\n },\n afterEvent: function afterEvent(chart, args) {\n if (!args.replay) {\n chart.legend.handleEvent(args.event);\n }\n },\n defaults: {\n display: true,\n position: 'top',\n align: 'center',\n fullSize: true,\n reverse: false,\n weight: 1000,\n onClick: function onClick(e, legendItem, legend) {\n var index = legendItem.datasetIndex;\n var ci = legend.chart;\n\n if (ci.isDatasetVisible(index)) {\n ci.hide(index);\n legendItem.hidden = true;\n } else {\n ci.show(index);\n legendItem.hidden = false;\n }\n },\n onHover: null,\n onLeave: null,\n labels: {\n color: function color(ctx) {\n return ctx.chart.options.color;\n },\n boxWidth: 40,\n padding: 10,\n generateLabels: function generateLabels(chart) {\n var datasets = chart.data.datasets;\n var _chart$legend$options = chart.legend.options.labels,\n usePointStyle = _chart$legend$options.usePointStyle,\n pointStyle = _chart$legend$options.pointStyle,\n textAlign = _chart$legend$options.textAlign,\n color = _chart$legend$options.color;\n return chart._getSortedDatasetMetas().map(function (meta) {\n var style = meta.controller.getStyle(usePointStyle ? 0 : undefined);\n var borderWidth = toPadding(style.borderWidth);\n return {\n text: datasets[meta.index].label,\n fillStyle: style.backgroundColor,\n fontColor: color,\n hidden: !meta.visible,\n lineCap: style.borderCapStyle,\n lineDash: style.borderDash,\n lineDashOffset: style.borderDashOffset,\n lineJoin: style.borderJoinStyle,\n lineWidth: (borderWidth.width + borderWidth.height) / 4,\n strokeStyle: style.borderColor,\n pointStyle: pointStyle || style.pointStyle,\n rotation: style.rotation,\n textAlign: textAlign || style.textAlign,\n borderRadius: 0,\n datasetIndex: meta.index\n };\n }, this);\n }\n },\n title: {\n color: function color(ctx) {\n return ctx.chart.options.color;\n },\n display: false,\n position: 'center',\n text: ''\n }\n },\n descriptors: {\n _scriptable: function _scriptable(name) {\n return !name.startsWith('on');\n },\n labels: {\n _scriptable: function _scriptable(name) {\n return !['generateLabels', 'filter', 'sort'].includes(name);\n }\n }\n }\n};\n\nvar Title = /*#__PURE__*/function (_Element7) {\n _inherits(Title, _Element7);\n\n var _super17 = _createSuper(Title);\n\n function Title(config) {\n var _this12;\n\n _classCallCheck(this, Title);\n\n _this12 = _super17.call(this);\n _this12.chart = config.chart;\n _this12.options = config.options;\n _this12.ctx = config.ctx;\n _this12._padding = undefined;\n _this12.top = undefined;\n _this12.bottom = undefined;\n _this12.left = undefined;\n _this12.right = undefined;\n _this12.width = undefined;\n _this12.height = undefined;\n _this12.position = undefined;\n _this12.weight = undefined;\n _this12.fullSize = undefined;\n return _this12;\n }\n\n _createClass(Title, [{\n key: \"update\",\n value: function update(maxWidth, maxHeight) {\n var me = this;\n var opts = me.options;\n me.left = 0;\n me.top = 0;\n\n if (!opts.display) {\n me.width = me.height = me.right = me.bottom = 0;\n return;\n }\n\n me.width = me.right = maxWidth;\n me.height = me.bottom = maxHeight;\n var lineCount = isArray(opts.text) ? opts.text.length : 1;\n me._padding = toPadding(opts.padding);\n\n var textSize = lineCount * toFont(opts.font).lineHeight + me._padding.height;\n\n if (me.isHorizontal()) {\n me.height = textSize;\n } else {\n me.width = textSize;\n }\n }\n }, {\n key: \"isHorizontal\",\n value: function isHorizontal() {\n var pos = this.options.position;\n return pos === 'top' || pos === 'bottom';\n }\n }, {\n key: \"_drawArgs\",\n value: function _drawArgs(offset) {\n var top = this.top,\n left = this.left,\n bottom = this.bottom,\n right = this.right,\n options = this.options;\n var align = options.align;\n var rotation = 0;\n var maxWidth, titleX, titleY;\n\n if (this.isHorizontal()) {\n titleX = _alignStartEnd(align, left, right);\n titleY = top + offset;\n maxWidth = right - left;\n } else {\n if (options.position === 'left') {\n titleX = left + offset;\n titleY = _alignStartEnd(align, bottom, top);\n rotation = PI * -0.5;\n } else {\n titleX = right - offset;\n titleY = _alignStartEnd(align, top, bottom);\n rotation = PI * 0.5;\n }\n\n maxWidth = bottom - top;\n }\n\n return {\n titleX: titleX,\n titleY: titleY,\n maxWidth: maxWidth,\n rotation: rotation\n };\n }\n }, {\n key: \"draw\",\n value: function draw() {\n var me = this;\n var ctx = me.ctx;\n var opts = me.options;\n\n if (!opts.display) {\n return;\n }\n\n var fontOpts = toFont(opts.font);\n var lineHeight = fontOpts.lineHeight;\n var offset = lineHeight / 2 + me._padding.top;\n\n var _me$_drawArgs = me._drawArgs(offset),\n titleX = _me$_drawArgs.titleX,\n titleY = _me$_drawArgs.titleY,\n maxWidth = _me$_drawArgs.maxWidth,\n rotation = _me$_drawArgs.rotation;\n\n renderText(ctx, opts.text, 0, 0, fontOpts, {\n color: opts.color,\n maxWidth: maxWidth,\n rotation: rotation,\n textAlign: _toLeftRightCenter(opts.align),\n textBaseline: 'middle',\n translation: [titleX, titleY]\n });\n }\n }]);\n\n return Title;\n}(Element);\n\nfunction createTitle(chart, titleOpts) {\n var title = new Title({\n ctx: chart.ctx,\n options: titleOpts,\n chart: chart\n });\n layouts.configure(chart, title, titleOpts);\n layouts.addBox(chart, title);\n chart.titleBlock = title;\n}\n\nvar plugin_title = {\n id: 'title',\n _element: Title,\n start: function start(chart, _args, options) {\n createTitle(chart, options);\n },\n stop: function stop(chart) {\n var titleBlock = chart.titleBlock;\n layouts.removeBox(chart, titleBlock);\n delete chart.titleBlock;\n },\n beforeUpdate: function beforeUpdate(chart, _args, options) {\n var title = chart.titleBlock;\n layouts.configure(chart, title, options);\n title.options = options;\n },\n defaults: {\n align: 'center',\n display: false,\n font: {\n weight: 'bold'\n },\n fullSize: true,\n padding: 10,\n position: 'top',\n text: '',\n weight: 2000\n },\n defaultRoutes: {\n color: 'color'\n },\n descriptors: {\n _scriptable: true,\n _indexable: false\n }\n};\nvar map = new WeakMap();\nvar plugin_subtitle = {\n id: 'subtitle',\n start: function start(chart, _args, options) {\n var title = new Title({\n ctx: chart.ctx,\n options: options,\n chart: chart\n });\n layouts.configure(chart, title, options);\n layouts.addBox(chart, title);\n map.set(chart, title);\n },\n stop: function stop(chart) {\n layouts.removeBox(chart, map.get(chart));\n map[\"delete\"](chart);\n },\n beforeUpdate: function beforeUpdate(chart, _args, options) {\n var title = map.get(chart);\n layouts.configure(chart, title, options);\n title.options = options;\n },\n defaults: {\n align: 'center',\n display: false,\n font: {\n weight: 'normal'\n },\n fullSize: true,\n padding: 0,\n position: 'top',\n text: '',\n weight: 1500\n },\n defaultRoutes: {\n color: 'color'\n },\n descriptors: {\n _scriptable: true,\n _indexable: false\n }\n};\nvar positioners = {\n average: function average(items) {\n if (!items.length) {\n return false;\n }\n\n var i, len;\n var x = 0;\n var y = 0;\n var count = 0;\n\n for (i = 0, len = items.length; i < len; ++i) {\n var el = items[i].element;\n\n if (el && el.hasValue()) {\n var pos = el.tooltipPosition();\n x += pos.x;\n y += pos.y;\n ++count;\n }\n }\n\n return {\n x: x / count,\n y: y / count\n };\n },\n nearest: function nearest(items, eventPosition) {\n if (!items.length) {\n return false;\n }\n\n var x = eventPosition.x;\n var y = eventPosition.y;\n var minDistance = Number.POSITIVE_INFINITY;\n var i, len, nearestElement;\n\n for (i = 0, len = items.length; i < len; ++i) {\n var el = items[i].element;\n\n if (el && el.hasValue()) {\n var center = el.getCenterPoint();\n\n var _d2 = distanceBetweenPoints(eventPosition, center);\n\n if (_d2 < minDistance) {\n minDistance = _d2;\n nearestElement = el;\n }\n }\n }\n\n if (nearestElement) {\n var tp = nearestElement.tooltipPosition();\n x = tp.x;\n y = tp.y;\n }\n\n return {\n x: x,\n y: y\n };\n }\n};\n\nfunction pushOrConcat(base, toPush) {\n if (toPush) {\n if (isArray(toPush)) {\n Array.prototype.push.apply(base, toPush);\n } else {\n base.push(toPush);\n }\n }\n\n return base;\n}\n\nfunction splitNewlines(str) {\n if ((typeof str === 'string' || str instanceof String) && str.indexOf('\\n') > -1) {\n return str.split('\\n');\n }\n\n return str;\n}\n\nfunction createTooltipItem(chart, item) {\n var element = item.element,\n datasetIndex = item.datasetIndex,\n index = item.index;\n var controller = chart.getDatasetMeta(datasetIndex).controller;\n\n var _controller$getLabelA = controller.getLabelAndValue(index),\n label = _controller$getLabelA.label,\n value = _controller$getLabelA.value;\n\n return {\n chart: chart,\n label: label,\n parsed: controller.getParsed(index),\n raw: chart.data.datasets[datasetIndex].data[index],\n formattedValue: value,\n dataset: controller.getDataset(),\n dataIndex: index,\n datasetIndex: datasetIndex,\n element: element\n };\n}\n\nfunction getTooltipSize(tooltip, options) {\n var ctx = tooltip._chart.ctx;\n var body = tooltip.body,\n footer = tooltip.footer,\n title = tooltip.title;\n var boxWidth = options.boxWidth,\n boxHeight = options.boxHeight;\n var bodyFont = toFont(options.bodyFont);\n var titleFont = toFont(options.titleFont);\n var footerFont = toFont(options.footerFont);\n var titleLineCount = title.length;\n var footerLineCount = footer.length;\n var bodyLineItemCount = body.length;\n var padding = toPadding(options.padding);\n var height = padding.height;\n var width = 0;\n var combinedBodyLength = body.reduce(function (count, bodyItem) {\n return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length;\n }, 0);\n combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length;\n\n if (titleLineCount) {\n height += titleLineCount * titleFont.lineHeight + (titleLineCount - 1) * options.titleSpacing + options.titleMarginBottom;\n }\n\n if (combinedBodyLength) {\n var bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight;\n height += bodyLineItemCount * bodyLineHeight + (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight + (combinedBodyLength - 1) * options.bodySpacing;\n }\n\n if (footerLineCount) {\n height += options.footerMarginTop + footerLineCount * footerFont.lineHeight + (footerLineCount - 1) * options.footerSpacing;\n }\n\n var widthPadding = 0;\n\n var maxLineWidth = function maxLineWidth(line) {\n width = Math.max(width, ctx.measureText(line).width + widthPadding);\n };\n\n ctx.save();\n ctx.font = titleFont.string;\n each(tooltip.title, maxLineWidth);\n ctx.font = bodyFont.string;\n each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth);\n widthPadding = options.displayColors ? boxWidth + 2 : 0;\n each(body, function (bodyItem) {\n each(bodyItem.before, maxLineWidth);\n each(bodyItem.lines, maxLineWidth);\n each(bodyItem.after, maxLineWidth);\n });\n widthPadding = 0;\n ctx.font = footerFont.string;\n each(tooltip.footer, maxLineWidth);\n ctx.restore();\n width += padding.width;\n return {\n width: width,\n height: height\n };\n}\n\nfunction determineYAlign(chart, size) {\n var y = size.y,\n height = size.height;\n\n if (y < height / 2) {\n return 'top';\n } else if (y > chart.height - height / 2) {\n return 'bottom';\n }\n\n return 'center';\n}\n\nfunction doesNotFitWithAlign(xAlign, chart, options, size) {\n var x = size.x,\n width = size.width;\n var caret = options.caretSize + options.caretPadding;\n\n if (xAlign === 'left' && x + width + caret > chart.width) {\n return true;\n }\n\n if (xAlign === 'right' && x - width - caret < 0) {\n return true;\n }\n}\n\nfunction determineXAlign(chart, options, size, yAlign) {\n var x = size.x,\n width = size.width;\n var chartWidth = chart.width,\n _chart$chartArea = chart.chartArea,\n left = _chart$chartArea.left,\n right = _chart$chartArea.right;\n var xAlign = 'center';\n\n if (yAlign === 'center') {\n xAlign = x <= (left + right) / 2 ? 'left' : 'right';\n } else if (x <= width / 2) {\n xAlign = 'left';\n } else if (x >= chartWidth - width / 2) {\n xAlign = 'right';\n }\n\n if (doesNotFitWithAlign(xAlign, chart, options, size)) {\n xAlign = 'center';\n }\n\n return xAlign;\n}\n\nfunction determineAlignment(chart, options, size) {\n var yAlign = options.yAlign || determineYAlign(chart, size);\n return {\n xAlign: options.xAlign || determineXAlign(chart, options, size, yAlign),\n yAlign: yAlign\n };\n}\n\nfunction alignX(size, xAlign) {\n var x = size.x,\n width = size.width;\n\n if (xAlign === 'right') {\n x -= width;\n } else if (xAlign === 'center') {\n x -= width / 2;\n }\n\n return x;\n}\n\nfunction alignY(size, yAlign, paddingAndSize) {\n var y = size.y,\n height = size.height;\n\n if (yAlign === 'top') {\n y += paddingAndSize;\n } else if (yAlign === 'bottom') {\n y -= height + paddingAndSize;\n } else {\n y -= height / 2;\n }\n\n return y;\n}\n\nfunction getBackgroundPoint(options, size, alignment, chart) {\n var caretSize = options.caretSize,\n caretPadding = options.caretPadding,\n cornerRadius = options.cornerRadius;\n var xAlign = alignment.xAlign,\n yAlign = alignment.yAlign;\n var paddingAndSize = caretSize + caretPadding;\n var radiusAndPadding = cornerRadius + caretPadding;\n var x = alignX(size, xAlign);\n var y = alignY(size, yAlign, paddingAndSize);\n\n if (yAlign === 'center') {\n if (xAlign === 'left') {\n x += paddingAndSize;\n } else if (xAlign === 'right') {\n x -= paddingAndSize;\n }\n } else if (xAlign === 'left') {\n x -= radiusAndPadding;\n } else if (xAlign === 'right') {\n x += radiusAndPadding;\n }\n\n return {\n x: _limitValue(x, 0, chart.width - size.width),\n y: _limitValue(y, 0, chart.height - size.height)\n };\n}\n\nfunction getAlignedX(tooltip, align, options) {\n var padding = toPadding(options.padding);\n return align === 'center' ? tooltip.x + tooltip.width / 2 : align === 'right' ? tooltip.x + tooltip.width - padding.right : tooltip.x + padding.left;\n}\n\nfunction getBeforeAfterBodyLines(callback) {\n return pushOrConcat([], splitNewlines(callback));\n}\n\nfunction createTooltipContext(parent, tooltip, tooltipItems) {\n return Object.assign(Object.create(parent), {\n tooltip: tooltip,\n tooltipItems: tooltipItems,\n type: 'tooltip'\n });\n}\n\nfunction overrideCallbacks(callbacks, context) {\n var override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks;\n return override ? callbacks.override(override) : callbacks;\n}\n\nvar Tooltip = /*#__PURE__*/function (_Element8) {\n _inherits(Tooltip, _Element8);\n\n var _super18 = _createSuper(Tooltip);\n\n function Tooltip(config) {\n var _this13;\n\n _classCallCheck(this, Tooltip);\n\n _this13 = _super18.call(this);\n _this13.opacity = 0;\n _this13._active = [];\n _this13._chart = config._chart;\n _this13._eventPosition = undefined;\n _this13._size = undefined;\n _this13._cachedAnimations = undefined;\n _this13._tooltipItems = [];\n _this13.$animations = undefined;\n _this13.$context = undefined;\n _this13.options = config.options;\n _this13.dataPoints = undefined;\n _this13.title = undefined;\n _this13.beforeBody = undefined;\n _this13.body = undefined;\n _this13.afterBody = undefined;\n _this13.footer = undefined;\n _this13.xAlign = undefined;\n _this13.yAlign = undefined;\n _this13.x = undefined;\n _this13.y = undefined;\n _this13.height = undefined;\n _this13.width = undefined;\n _this13.caretX = undefined;\n _this13.caretY = undefined;\n _this13.labelColors = undefined;\n _this13.labelPointStyles = undefined;\n _this13.labelTextColors = undefined;\n return _this13;\n }\n\n _createClass(Tooltip, [{\n key: \"initialize\",\n value: function initialize(options) {\n this.options = options;\n this._cachedAnimations = undefined;\n this.$context = undefined;\n }\n }, {\n key: \"_resolveAnimations\",\n value: function _resolveAnimations() {\n var me = this;\n var cached = me._cachedAnimations;\n\n if (cached) {\n return cached;\n }\n\n var chart = me._chart;\n var options = me.options.setContext(me.getContext());\n var opts = options.enabled && chart.options.animation && options.animations;\n var animations = new Animations(me._chart, opts);\n\n if (opts._cacheable) {\n me._cachedAnimations = Object.freeze(animations);\n }\n\n return animations;\n }\n }, {\n key: \"getContext\",\n value: function getContext() {\n var me = this;\n return me.$context || (me.$context = createTooltipContext(me._chart.getContext(), me, me._tooltipItems));\n }\n }, {\n key: \"getTitle\",\n value: function getTitle(context, options) {\n var me = this;\n var callbacks = options.callbacks;\n var beforeTitle = callbacks.beforeTitle.apply(me, [context]);\n var title = callbacks.title.apply(me, [context]);\n var afterTitle = callbacks.afterTitle.apply(me, [context]);\n var lines = [];\n lines = pushOrConcat(lines, splitNewlines(beforeTitle));\n lines = pushOrConcat(lines, splitNewlines(title));\n lines = pushOrConcat(lines, splitNewlines(afterTitle));\n return lines;\n }\n }, {\n key: \"getBeforeBody\",\n value: function getBeforeBody(tooltipItems, options) {\n return getBeforeAfterBodyLines(options.callbacks.beforeBody.apply(this, [tooltipItems]));\n }\n }, {\n key: \"getBody\",\n value: function getBody(tooltipItems, options) {\n var me = this;\n var callbacks = options.callbacks;\n var bodyItems = [];\n each(tooltipItems, function (context) {\n var bodyItem = {\n before: [],\n lines: [],\n after: []\n };\n var scoped = overrideCallbacks(callbacks, context);\n pushOrConcat(bodyItem.before, splitNewlines(scoped.beforeLabel.call(me, context)));\n pushOrConcat(bodyItem.lines, scoped.label.call(me, context));\n pushOrConcat(bodyItem.after, splitNewlines(scoped.afterLabel.call(me, context)));\n bodyItems.push(bodyItem);\n });\n return bodyItems;\n }\n }, {\n key: \"getAfterBody\",\n value: function getAfterBody(tooltipItems, options) {\n return getBeforeAfterBodyLines(options.callbacks.afterBody.apply(this, [tooltipItems]));\n }\n }, {\n key: \"getFooter\",\n value: function getFooter(tooltipItems, options) {\n var me = this;\n var callbacks = options.callbacks;\n var beforeFooter = callbacks.beforeFooter.apply(me, [tooltipItems]);\n var footer = callbacks.footer.apply(me, [tooltipItems]);\n var afterFooter = callbacks.afterFooter.apply(me, [tooltipItems]);\n var lines = [];\n lines = pushOrConcat(lines, splitNewlines(beforeFooter));\n lines = pushOrConcat(lines, splitNewlines(footer));\n lines = pushOrConcat(lines, splitNewlines(afterFooter));\n return lines;\n }\n }, {\n key: \"_createItems\",\n value: function _createItems(options) {\n var me = this;\n var active = me._active;\n var data = me._chart.data;\n var labelColors = [];\n var labelPointStyles = [];\n var labelTextColors = [];\n var tooltipItems = [];\n var i, len;\n\n for (i = 0, len = active.length; i < len; ++i) {\n tooltipItems.push(createTooltipItem(me._chart, active[i]));\n }\n\n if (options.filter) {\n tooltipItems = tooltipItems.filter(function (element, index, array) {\n return options.filter(element, index, array, data);\n });\n }\n\n if (options.itemSort) {\n tooltipItems = tooltipItems.sort(function (a, b) {\n return options.itemSort(a, b, data);\n });\n }\n\n each(tooltipItems, function (context) {\n var scoped = overrideCallbacks(options.callbacks, context);\n labelColors.push(scoped.labelColor.call(me, context));\n labelPointStyles.push(scoped.labelPointStyle.call(me, context));\n labelTextColors.push(scoped.labelTextColor.call(me, context));\n });\n me.labelColors = labelColors;\n me.labelPointStyles = labelPointStyles;\n me.labelTextColors = labelTextColors;\n me.dataPoints = tooltipItems;\n return tooltipItems;\n }\n }, {\n key: \"update\",\n value: function update(changed, replay) {\n var me = this;\n var options = me.options.setContext(me.getContext());\n var active = me._active;\n var properties;\n var tooltipItems = [];\n\n if (!active.length) {\n if (me.opacity !== 0) {\n properties = {\n opacity: 0\n };\n }\n } else {\n var position = positioners[options.position].call(me, active, me._eventPosition);\n tooltipItems = me._createItems(options);\n me.title = me.getTitle(tooltipItems, options);\n me.beforeBody = me.getBeforeBody(tooltipItems, options);\n me.body = me.getBody(tooltipItems, options);\n me.afterBody = me.getAfterBody(tooltipItems, options);\n me.footer = me.getFooter(tooltipItems, options);\n var size = me._size = getTooltipSize(me, options);\n var positionAndSize = Object.assign({}, position, size);\n var alignment = determineAlignment(me._chart, options, positionAndSize);\n var backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, me._chart);\n me.xAlign = alignment.xAlign;\n me.yAlign = alignment.yAlign;\n properties = {\n opacity: 1,\n x: backgroundPoint.x,\n y: backgroundPoint.y,\n width: size.width,\n height: size.height,\n caretX: position.x,\n caretY: position.y\n };\n }\n\n me._tooltipItems = tooltipItems;\n me.$context = undefined;\n\n if (properties) {\n me._resolveAnimations().update(me, properties);\n }\n\n if (changed && options.external) {\n options.external.call(me, {\n chart: me._chart,\n tooltip: me,\n replay: replay\n });\n }\n }\n }, {\n key: \"drawCaret\",\n value: function drawCaret(tooltipPoint, ctx, size, options) {\n var caretPosition = this.getCaretPosition(tooltipPoint, size, options);\n ctx.lineTo(caretPosition.x1, caretPosition.y1);\n ctx.lineTo(caretPosition.x2, caretPosition.y2);\n ctx.lineTo(caretPosition.x3, caretPosition.y3);\n }\n }, {\n key: \"getCaretPosition\",\n value: function getCaretPosition(tooltipPoint, size, options) {\n var xAlign = this.xAlign,\n yAlign = this.yAlign;\n var cornerRadius = options.cornerRadius,\n caretSize = options.caretSize;\n var ptX = tooltipPoint.x,\n ptY = tooltipPoint.y;\n var width = size.width,\n height = size.height;\n var x1, x2, x3, y1, y2, y3;\n\n if (yAlign === 'center') {\n y2 = ptY + height / 2;\n\n if (xAlign === 'left') {\n x1 = ptX;\n x2 = x1 - caretSize;\n y1 = y2 + caretSize;\n y3 = y2 - caretSize;\n } else {\n x1 = ptX + width;\n x2 = x1 + caretSize;\n y1 = y2 - caretSize;\n y3 = y2 + caretSize;\n }\n\n x3 = x1;\n } else {\n if (xAlign === 'left') {\n x2 = ptX + cornerRadius + caretSize;\n } else if (xAlign === 'right') {\n x2 = ptX + width - cornerRadius - caretSize;\n } else {\n x2 = this.caretX;\n }\n\n if (yAlign === 'top') {\n y1 = ptY;\n y2 = y1 - caretSize;\n x1 = x2 - caretSize;\n x3 = x2 + caretSize;\n } else {\n y1 = ptY + height;\n y2 = y1 + caretSize;\n x1 = x2 + caretSize;\n x3 = x2 - caretSize;\n }\n\n y3 = y1;\n }\n\n return {\n x1: x1,\n x2: x2,\n x3: x3,\n y1: y1,\n y2: y2,\n y3: y3\n };\n }\n }, {\n key: \"drawTitle\",\n value: function drawTitle(pt, ctx, options) {\n var me = this;\n var title = me.title;\n var length = title.length;\n var titleFont, titleSpacing, i;\n\n if (length) {\n var rtlHelper = getRtlAdapter(options.rtl, me.x, me.width);\n pt.x = getAlignedX(me, options.titleAlign, options);\n ctx.textAlign = rtlHelper.textAlign(options.titleAlign);\n ctx.textBaseline = 'middle';\n titleFont = toFont(options.titleFont);\n titleSpacing = options.titleSpacing;\n ctx.fillStyle = options.titleColor;\n ctx.font = titleFont.string;\n\n for (i = 0; i < length; ++i) {\n ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2);\n pt.y += titleFont.lineHeight + titleSpacing;\n\n if (i + 1 === length) {\n pt.y += options.titleMarginBottom - titleSpacing;\n }\n }\n }\n }\n }, {\n key: \"_drawColorBox\",\n value: function _drawColorBox(ctx, pt, i, rtlHelper, options) {\n var me = this;\n var labelColors = me.labelColors[i];\n var labelPointStyle = me.labelPointStyles[i];\n var boxHeight = options.boxHeight,\n boxWidth = options.boxWidth;\n var bodyFont = toFont(options.bodyFont);\n var colorX = getAlignedX(me, 'left', options);\n var rtlColorX = rtlHelper.x(colorX);\n var yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0;\n var colorY = pt.y + yOffSet;\n\n if (options.usePointStyle) {\n var drawOptions = {\n radius: Math.min(boxWidth, boxHeight) / 2,\n pointStyle: labelPointStyle.pointStyle,\n rotation: labelPointStyle.rotation,\n borderWidth: 1\n };\n var centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2;\n var centerY = colorY + boxHeight / 2;\n ctx.strokeStyle = options.multiKeyBackground;\n ctx.fillStyle = options.multiKeyBackground;\n drawPoint(ctx, drawOptions, centerX, centerY);\n ctx.strokeStyle = labelColors.borderColor;\n ctx.fillStyle = labelColors.backgroundColor;\n drawPoint(ctx, drawOptions, centerX, centerY);\n } else {\n ctx.lineWidth = labelColors.borderWidth || 1;\n ctx.strokeStyle = labelColors.borderColor;\n ctx.setLineDash(labelColors.borderDash || []);\n ctx.lineDashOffset = labelColors.borderDashOffset || 0;\n var outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth);\n var innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - 2);\n var borderRadius = toTRBLCorners(labelColors.borderRadius);\n\n if (Object.values(borderRadius).some(function (v) {\n return v !== 0;\n })) {\n ctx.beginPath();\n ctx.fillStyle = options.multiKeyBackground;\n addRoundedRectPath(ctx, {\n x: outerX,\n y: colorY,\n w: boxWidth,\n h: boxHeight,\n radius: borderRadius\n });\n ctx.fill();\n ctx.stroke();\n ctx.fillStyle = labelColors.backgroundColor;\n ctx.beginPath();\n addRoundedRectPath(ctx, {\n x: innerX,\n y: colorY + 1,\n w: boxWidth - 2,\n h: boxHeight - 2,\n radius: borderRadius\n });\n ctx.fill();\n } else {\n ctx.fillStyle = options.multiKeyBackground;\n ctx.fillRect(outerX, colorY, boxWidth, boxHeight);\n ctx.strokeRect(outerX, colorY, boxWidth, boxHeight);\n ctx.fillStyle = labelColors.backgroundColor;\n ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2);\n }\n }\n\n ctx.fillStyle = me.labelTextColors[i];\n }\n }, {\n key: \"drawBody\",\n value: function drawBody(pt, ctx, options) {\n var me = this;\n var body = me.body;\n var bodySpacing = options.bodySpacing,\n bodyAlign = options.bodyAlign,\n displayColors = options.displayColors,\n boxHeight = options.boxHeight,\n boxWidth = options.boxWidth;\n var bodyFont = toFont(options.bodyFont);\n var bodyLineHeight = bodyFont.lineHeight;\n var xLinePadding = 0;\n var rtlHelper = getRtlAdapter(options.rtl, me.x, me.width);\n\n var fillLineOfText = function fillLineOfText(line) {\n ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2);\n pt.y += bodyLineHeight + bodySpacing;\n };\n\n var bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign);\n var bodyItem, textColor, lines, i, j, ilen, jlen;\n ctx.textAlign = bodyAlign;\n ctx.textBaseline = 'middle';\n ctx.font = bodyFont.string;\n pt.x = getAlignedX(me, bodyAlignForCalculation, options);\n ctx.fillStyle = options.bodyColor;\n each(me.beforeBody, fillLineOfText);\n xLinePadding = displayColors && bodyAlignForCalculation !== 'right' ? bodyAlign === 'center' ? boxWidth / 2 + 1 : boxWidth + 2 : 0;\n\n for (i = 0, ilen = body.length; i < ilen; ++i) {\n bodyItem = body[i];\n textColor = me.labelTextColors[i];\n ctx.fillStyle = textColor;\n each(bodyItem.before, fillLineOfText);\n lines = bodyItem.lines;\n\n if (displayColors && lines.length) {\n me._drawColorBox(ctx, pt, i, rtlHelper, options);\n\n bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight);\n }\n\n for (j = 0, jlen = lines.length; j < jlen; ++j) {\n fillLineOfText(lines[j]);\n bodyLineHeight = bodyFont.lineHeight;\n }\n\n each(bodyItem.after, fillLineOfText);\n }\n\n xLinePadding = 0;\n bodyLineHeight = bodyFont.lineHeight;\n each(me.afterBody, fillLineOfText);\n pt.y -= bodySpacing;\n }\n }, {\n key: \"drawFooter\",\n value: function drawFooter(pt, ctx, options) {\n var me = this;\n var footer = me.footer;\n var length = footer.length;\n var footerFont, i;\n\n if (length) {\n var rtlHelper = getRtlAdapter(options.rtl, me.x, me.width);\n pt.x = getAlignedX(me, options.footerAlign, options);\n pt.y += options.footerMarginTop;\n ctx.textAlign = rtlHelper.textAlign(options.footerAlign);\n ctx.textBaseline = 'middle';\n footerFont = toFont(options.footerFont);\n ctx.fillStyle = options.footerColor;\n ctx.font = footerFont.string;\n\n for (i = 0; i < length; ++i) {\n ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2);\n pt.y += footerFont.lineHeight + options.footerSpacing;\n }\n }\n }\n }, {\n key: \"drawBackground\",\n value: function drawBackground(pt, ctx, tooltipSize, options) {\n var xAlign = this.xAlign,\n yAlign = this.yAlign;\n var x = pt.x,\n y = pt.y;\n var width = tooltipSize.width,\n height = tooltipSize.height;\n var radius = options.cornerRadius;\n ctx.fillStyle = options.backgroundColor;\n ctx.strokeStyle = options.borderColor;\n ctx.lineWidth = options.borderWidth;\n ctx.beginPath();\n ctx.moveTo(x + radius, y);\n\n if (yAlign === 'top') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n\n ctx.lineTo(x + width - radius, y);\n ctx.quadraticCurveTo(x + width, y, x + width, y + radius);\n\n if (yAlign === 'center' && xAlign === 'right') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n\n ctx.lineTo(x + width, y + height - radius);\n ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);\n\n if (yAlign === 'bottom') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n\n ctx.lineTo(x + radius, y + height);\n ctx.quadraticCurveTo(x, y + height, x, y + height - radius);\n\n if (yAlign === 'center' && xAlign === 'left') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n\n ctx.lineTo(x, y + radius);\n ctx.quadraticCurveTo(x, y, x + radius, y);\n ctx.closePath();\n ctx.fill();\n\n if (options.borderWidth > 0) {\n ctx.stroke();\n }\n }\n }, {\n key: \"_updateAnimationTarget\",\n value: function _updateAnimationTarget(options) {\n var me = this;\n var chart = me._chart;\n var anims = me.$animations;\n var animX = anims && anims.x;\n var animY = anims && anims.y;\n\n if (animX || animY) {\n var position = positioners[options.position].call(me, me._active, me._eventPosition);\n\n if (!position) {\n return;\n }\n\n var size = me._size = getTooltipSize(me, options);\n var positionAndSize = Object.assign({}, position, me._size);\n var alignment = determineAlignment(chart, options, positionAndSize);\n var point = getBackgroundPoint(options, positionAndSize, alignment, chart);\n\n if (animX._to !== point.x || animY._to !== point.y) {\n me.xAlign = alignment.xAlign;\n me.yAlign = alignment.yAlign;\n me.width = size.width;\n me.height = size.height;\n me.caretX = position.x;\n me.caretY = position.y;\n\n me._resolveAnimations().update(me, point);\n }\n }\n }\n }, {\n key: \"draw\",\n value: function draw(ctx) {\n var me = this;\n var options = me.options.setContext(me.getContext());\n var opacity = me.opacity;\n\n if (!opacity) {\n return;\n }\n\n me._updateAnimationTarget(options);\n\n var tooltipSize = {\n width: me.width,\n height: me.height\n };\n var pt = {\n x: me.x,\n y: me.y\n };\n opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity;\n var padding = toPadding(options.padding);\n var hasTooltipContent = me.title.length || me.beforeBody.length || me.body.length || me.afterBody.length || me.footer.length;\n\n if (options.enabled && hasTooltipContent) {\n ctx.save();\n ctx.globalAlpha = opacity;\n me.drawBackground(pt, ctx, tooltipSize, options);\n overrideTextDirection(ctx, options.textDirection);\n pt.y += padding.top;\n me.drawTitle(pt, ctx, options);\n me.drawBody(pt, ctx, options);\n me.drawFooter(pt, ctx, options);\n restoreTextDirection(ctx, options.textDirection);\n ctx.restore();\n }\n }\n }, {\n key: \"getActiveElements\",\n value: function getActiveElements() {\n return this._active || [];\n }\n }, {\n key: \"setActiveElements\",\n value: function setActiveElements(activeElements, eventPosition) {\n var me = this;\n var lastActive = me._active;\n var active = activeElements.map(function (_ref13) {\n var datasetIndex = _ref13.datasetIndex,\n index = _ref13.index;\n\n var meta = me._chart.getDatasetMeta(datasetIndex);\n\n if (!meta) {\n throw new Error('Cannot find a dataset at index ' + datasetIndex);\n }\n\n return {\n datasetIndex: datasetIndex,\n element: meta.data[index],\n index: index\n };\n });\n var changed = !_elementsEqual(lastActive, active);\n\n var positionChanged = me._positionChanged(active, eventPosition);\n\n if (changed || positionChanged) {\n me._active = active;\n me._eventPosition = eventPosition;\n me.update(true);\n }\n }\n }, {\n key: \"handleEvent\",\n value: function handleEvent(e, replay) {\n var me = this;\n var options = me.options;\n var lastActive = me._active || [];\n var changed = false;\n var active = [];\n\n if (e.type !== 'mouseout') {\n active = me._chart.getElementsAtEventForMode(e, options.mode, options, replay);\n\n if (options.reverse) {\n active.reverse();\n }\n }\n\n var positionChanged = me._positionChanged(active, e);\n\n changed = replay || !_elementsEqual(active, lastActive) || positionChanged;\n\n if (changed) {\n me._active = active;\n\n if (options.enabled || options.external) {\n me._eventPosition = {\n x: e.x,\n y: e.y\n };\n me.update(true, replay);\n }\n }\n\n return changed;\n }\n }, {\n key: \"_positionChanged\",\n value: function _positionChanged(active, e) {\n var caretX = this.caretX,\n caretY = this.caretY,\n options = this.options;\n var position = positioners[options.position].call(this, active, e);\n return position !== false && (caretX !== position.x || caretY !== position.y);\n }\n }]);\n\n return Tooltip;\n}(Element);\n\nTooltip.positioners = positioners;\nvar plugin_tooltip = {\n id: 'tooltip',\n _element: Tooltip,\n positioners: positioners,\n afterInit: function afterInit(chart, _args, options) {\n if (options) {\n chart.tooltip = new Tooltip({\n _chart: chart,\n options: options\n });\n }\n },\n beforeUpdate: function beforeUpdate(chart, _args, options) {\n if (chart.tooltip) {\n chart.tooltip.initialize(options);\n }\n },\n reset: function reset(chart, _args, options) {\n if (chart.tooltip) {\n chart.tooltip.initialize(options);\n }\n },\n afterDraw: function afterDraw(chart) {\n var tooltip = chart.tooltip;\n var args = {\n tooltip: tooltip\n };\n\n if (chart.notifyPlugins('beforeTooltipDraw', args) === false) {\n return;\n }\n\n if (tooltip) {\n tooltip.draw(chart.ctx);\n }\n\n chart.notifyPlugins('afterTooltipDraw', args);\n },\n afterEvent: function afterEvent(chart, args) {\n if (chart.tooltip) {\n var useFinalPosition = args.replay;\n\n if (chart.tooltip.handleEvent(args.event, useFinalPosition)) {\n args.changed = true;\n }\n }\n },\n defaults: {\n enabled: true,\n external: null,\n position: 'average',\n backgroundColor: 'rgba(0,0,0,0.8)',\n titleColor: '#fff',\n titleFont: {\n weight: 'bold'\n },\n titleSpacing: 2,\n titleMarginBottom: 6,\n titleAlign: 'left',\n bodyColor: '#fff',\n bodySpacing: 2,\n bodyFont: {},\n bodyAlign: 'left',\n footerColor: '#fff',\n footerSpacing: 2,\n footerMarginTop: 6,\n footerFont: {\n weight: 'bold'\n },\n footerAlign: 'left',\n padding: 6,\n caretPadding: 2,\n caretSize: 5,\n cornerRadius: 6,\n boxHeight: function boxHeight(ctx, opts) {\n return opts.bodyFont.size;\n },\n boxWidth: function boxWidth(ctx, opts) {\n return opts.bodyFont.size;\n },\n multiKeyBackground: '#fff',\n displayColors: true,\n borderColor: 'rgba(0,0,0,0)',\n borderWidth: 0,\n animation: {\n duration: 400,\n easing: 'easeOutQuart'\n },\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'width', 'height', 'caretX', 'caretY']\n },\n opacity: {\n easing: 'linear',\n duration: 200\n }\n },\n callbacks: {\n beforeTitle: noop,\n title: function title(tooltipItems) {\n if (tooltipItems.length > 0) {\n var item = tooltipItems[0];\n var labels = item.chart.data.labels;\n var labelCount = labels ? labels.length : 0;\n\n if (this && this.options && this.options.mode === 'dataset') {\n return item.dataset.label || '';\n } else if (item.label) {\n return item.label;\n } else if (labelCount > 0 && item.dataIndex < labelCount) {\n return labels[item.dataIndex];\n }\n }\n\n return '';\n },\n afterTitle: noop,\n beforeBody: noop,\n beforeLabel: noop,\n label: function label(tooltipItem) {\n if (this && this.options && this.options.mode === 'dataset') {\n return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue;\n }\n\n var label = tooltipItem.dataset.label || '';\n\n if (label) {\n label += ': ';\n }\n\n var value = tooltipItem.formattedValue;\n\n if (!isNullOrUndef(value)) {\n label += value;\n }\n\n return label;\n },\n labelColor: function labelColor(tooltipItem) {\n var meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex);\n var options = meta.controller.getStyle(tooltipItem.dataIndex);\n return {\n borderColor: options.borderColor,\n backgroundColor: options.backgroundColor,\n borderWidth: options.borderWidth,\n borderDash: options.borderDash,\n borderDashOffset: options.borderDashOffset,\n borderRadius: 0\n };\n },\n labelTextColor: function labelTextColor() {\n return this.options.bodyColor;\n },\n labelPointStyle: function labelPointStyle(tooltipItem) {\n var meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex);\n var options = meta.controller.getStyle(tooltipItem.dataIndex);\n return {\n pointStyle: options.pointStyle,\n rotation: options.rotation\n };\n },\n afterLabel: noop,\n afterBody: noop,\n beforeFooter: noop,\n footer: noop,\n afterFooter: noop\n }\n },\n defaultRoutes: {\n bodyFont: 'font',\n footerFont: 'font',\n titleFont: 'font'\n },\n descriptors: {\n _scriptable: function _scriptable(name) {\n return name !== 'filter' && name !== 'itemSort' && name !== 'external';\n },\n _indexable: false,\n callbacks: {\n _scriptable: false,\n _indexable: false\n },\n animation: {\n _fallback: false\n },\n animations: {\n _fallback: 'animation'\n }\n },\n additionalOptionScopes: ['interaction']\n};\nvar plugins = /*#__PURE__*/Object.freeze({\n __proto__: null,\n Decimation: plugin_decimation,\n Filler: plugin_filler,\n Legend: plugin_legend,\n SubTitle: plugin_subtitle,\n Title: plugin_title,\n Tooltip: plugin_tooltip\n});\n\nvar addIfString = function addIfString(labels, raw, index) {\n return typeof raw === 'string' ? labels.push(raw) - 1 : isNaN(raw) ? null : index;\n};\n\nfunction findOrAddLabel(labels, raw, index) {\n var first = labels.indexOf(raw);\n\n if (first === -1) {\n return addIfString(labels, raw, index);\n }\n\n var last = labels.lastIndexOf(raw);\n return first !== last ? index : first;\n}\n\nvar validIndex = function validIndex(index, max) {\n return index === null ? null : _limitValue(Math.round(index), 0, max);\n};\n\nvar CategoryScale = /*#__PURE__*/function (_Scale) {\n _inherits(CategoryScale, _Scale);\n\n var _super19 = _createSuper(CategoryScale);\n\n function CategoryScale(cfg) {\n var _this14;\n\n _classCallCheck(this, CategoryScale);\n\n _this14 = _super19.call(this, cfg);\n _this14._startValue = undefined;\n _this14._valueRange = 0;\n return _this14;\n }\n\n _createClass(CategoryScale, [{\n key: \"parse\",\n value: function parse(raw, index) {\n if (isNullOrUndef(raw)) {\n return null;\n }\n\n var labels = this.getLabels();\n index = isFinite(index) && labels[index] === raw ? index : findOrAddLabel(labels, raw, valueOrDefault(index, raw));\n return validIndex(index, labels.length - 1);\n }\n }, {\n key: \"determineDataLimits\",\n value: function determineDataLimits() {\n var me = this;\n\n var _me$getUserBounds2 = me.getUserBounds(),\n minDefined = _me$getUserBounds2.minDefined,\n maxDefined = _me$getUserBounds2.maxDefined;\n\n var _me$getMinMax = me.getMinMax(true),\n min = _me$getMinMax.min,\n max = _me$getMinMax.max;\n\n if (me.options.bounds === 'ticks') {\n if (!minDefined) {\n min = 0;\n }\n\n if (!maxDefined) {\n max = me.getLabels().length - 1;\n }\n }\n\n me.min = min;\n me.max = max;\n }\n }, {\n key: \"buildTicks\",\n value: function buildTicks() {\n var me = this;\n var min = me.min;\n var max = me.max;\n var offset = me.options.offset;\n var ticks = [];\n var labels = me.getLabels();\n labels = min === 0 && max === labels.length - 1 ? labels : labels.slice(min, max + 1);\n me._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1);\n me._startValue = me.min - (offset ? 0.5 : 0);\n\n for (var value = min; value <= max; value++) {\n ticks.push({\n value: value\n });\n }\n\n return ticks;\n }\n }, {\n key: \"getLabelForValue\",\n value: function getLabelForValue(value) {\n var me = this;\n var labels = me.getLabels();\n\n if (value >= 0 && value < labels.length) {\n return labels[value];\n }\n\n return value;\n }\n }, {\n key: \"configure\",\n value: function configure() {\n var me = this;\n\n _get(_getPrototypeOf(CategoryScale.prototype), \"configure\", this).call(this);\n\n if (!me.isHorizontal()) {\n me._reversePixels = !me._reversePixels;\n }\n }\n }, {\n key: \"getPixelForValue\",\n value: function getPixelForValue(value) {\n var me = this;\n\n if (typeof value !== 'number') {\n value = me.parse(value);\n }\n\n return value === null ? NaN : me.getPixelForDecimal((value - me._startValue) / me._valueRange);\n }\n }, {\n key: \"getPixelForTick\",\n value: function getPixelForTick(index) {\n var me = this;\n var ticks = me.ticks;\n\n if (index < 0 || index > ticks.length - 1) {\n return null;\n }\n\n return me.getPixelForValue(ticks[index].value);\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {\n var me = this;\n return Math.round(me._startValue + me.getDecimalForPixel(pixel) * me._valueRange);\n }\n }, {\n key: \"getBasePixel\",\n value: function getBasePixel() {\n return this.bottom;\n }\n }]);\n\n return CategoryScale;\n}(Scale);\n\nCategoryScale.id = 'category';\nCategoryScale.defaults = {\n ticks: {\n callback: CategoryScale.prototype.getLabelForValue\n }\n};\n\nfunction generateTicks$1(generationOptions, dataRange) {\n var ticks = [];\n var MIN_SPACING = 1e-14;\n var bounds = generationOptions.bounds,\n step = generationOptions.step,\n min = generationOptions.min,\n max = generationOptions.max,\n precision = generationOptions.precision,\n count = generationOptions.count,\n maxTicks = generationOptions.maxTicks,\n maxDigits = generationOptions.maxDigits,\n includeBounds = generationOptions.includeBounds;\n var unit = step || 1;\n var maxSpaces = maxTicks - 1;\n var rmin = dataRange.min,\n rmax = dataRange.max;\n var minDefined = !isNullOrUndef(min);\n var maxDefined = !isNullOrUndef(max);\n var countDefined = !isNullOrUndef(count);\n var minSpacing = (rmax - rmin) / (maxDigits + 1);\n var spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit;\n var factor, niceMin, niceMax, numSpaces;\n\n if (spacing < MIN_SPACING && !minDefined && !maxDefined) {\n return [{\n value: rmin\n }, {\n value: rmax\n }];\n }\n\n numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing);\n\n if (numSpaces > maxSpaces) {\n spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit;\n }\n\n if (!isNullOrUndef(precision)) {\n factor = Math.pow(10, precision);\n spacing = Math.ceil(spacing * factor) / factor;\n }\n\n if (bounds === 'ticks') {\n niceMin = Math.floor(rmin / spacing) * spacing;\n niceMax = Math.ceil(rmax / spacing) * spacing;\n } else {\n niceMin = rmin;\n niceMax = rmax;\n }\n\n if (minDefined && maxDefined && step && almostWhole((max - min) / step, spacing / 1000)) {\n numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks));\n spacing = (max - min) / numSpaces;\n niceMin = min;\n niceMax = max;\n } else if (countDefined) {\n niceMin = minDefined ? min : niceMin;\n niceMax = maxDefined ? max : niceMax;\n numSpaces = count - 1;\n spacing = (niceMax - niceMin) / numSpaces;\n } else {\n numSpaces = (niceMax - niceMin) / spacing;\n\n if (almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {\n numSpaces = Math.round(numSpaces);\n } else {\n numSpaces = Math.ceil(numSpaces);\n }\n }\n\n var decimalPlaces = Math.max(_decimalPlaces(spacing), _decimalPlaces(niceMin));\n factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision);\n niceMin = Math.round(niceMin * factor) / factor;\n niceMax = Math.round(niceMax * factor) / factor;\n var j = 0;\n\n if (minDefined) {\n if (includeBounds && niceMin !== min) {\n ticks.push({\n value: min\n });\n\n if (niceMin < min) {\n j++;\n }\n\n if (almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) {\n j++;\n }\n } else if (niceMin < min) {\n j++;\n }\n }\n\n for (; j < numSpaces; ++j) {\n ticks.push({\n value: Math.round((niceMin + j * spacing) * factor) / factor\n });\n }\n\n if (maxDefined && includeBounds && niceMax !== max) {\n if (almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) {\n ticks[ticks.length - 1].value = max;\n } else {\n ticks.push({\n value: max\n });\n }\n } else if (!maxDefined || niceMax === max) {\n ticks.push({\n value: niceMax\n });\n }\n\n return ticks;\n}\n\nfunction relativeLabelSize(value, minSpacing, _ref14) {\n var horizontal = _ref14.horizontal,\n minRotation = _ref14.minRotation;\n var rad = toRadians(minRotation);\n var ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001;\n var length = 0.75 * minSpacing * ('' + value).length;\n return Math.min(minSpacing / ratio, length);\n}\n\nvar LinearScaleBase = /*#__PURE__*/function (_Scale2) {\n _inherits(LinearScaleBase, _Scale2);\n\n var _super20 = _createSuper(LinearScaleBase);\n\n function LinearScaleBase(cfg) {\n var _this15;\n\n _classCallCheck(this, LinearScaleBase);\n\n _this15 = _super20.call(this, cfg);\n _this15.start = undefined;\n _this15.end = undefined;\n _this15._startValue = undefined;\n _this15._endValue = undefined;\n _this15._valueRange = 0;\n return _this15;\n }\n\n _createClass(LinearScaleBase, [{\n key: \"parse\",\n value: function parse(raw, index) {\n if (isNullOrUndef(raw)) {\n return null;\n }\n\n if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) {\n return null;\n }\n\n return +raw;\n }\n }, {\n key: \"handleTickRangeOptions\",\n value: function handleTickRangeOptions() {\n var me = this;\n var beginAtZero = me.options.beginAtZero;\n\n var _me$getUserBounds3 = me.getUserBounds(),\n minDefined = _me$getUserBounds3.minDefined,\n maxDefined = _me$getUserBounds3.maxDefined;\n\n var min = me.min,\n max = me.max;\n\n var setMin = function setMin(v) {\n return min = minDefined ? min : v;\n };\n\n var setMax = function setMax(v) {\n return max = maxDefined ? max : v;\n };\n\n if (beginAtZero) {\n var minSign = sign(min);\n var maxSign = sign(max);\n\n if (minSign < 0 && maxSign < 0) {\n setMax(0);\n } else if (minSign > 0 && maxSign > 0) {\n setMin(0);\n }\n }\n\n if (min === max) {\n var offset = 1;\n\n if (max >= Number.MAX_SAFE_INTEGER || min <= Number.MIN_SAFE_INTEGER) {\n offset = Math.abs(max * 0.05);\n }\n\n setMax(max + offset);\n\n if (!beginAtZero) {\n setMin(min - offset);\n }\n }\n\n me.min = min;\n me.max = max;\n }\n }, {\n key: \"getTickLimit\",\n value: function getTickLimit() {\n var me = this;\n var tickOpts = me.options.ticks;\n var maxTicksLimit = tickOpts.maxTicksLimit,\n stepSize = tickOpts.stepSize;\n var maxTicks;\n\n if (stepSize) {\n maxTicks = Math.ceil(me.max / stepSize) - Math.floor(me.min / stepSize) + 1;\n } else {\n maxTicks = me.computeTickLimit();\n maxTicksLimit = maxTicksLimit || 11;\n }\n\n if (maxTicksLimit) {\n maxTicks = Math.min(maxTicksLimit, maxTicks);\n }\n\n return maxTicks;\n }\n }, {\n key: \"computeTickLimit\",\n value: function computeTickLimit() {\n return Number.POSITIVE_INFINITY;\n }\n }, {\n key: \"buildTicks\",\n value: function buildTicks() {\n var me = this;\n var opts = me.options;\n var tickOpts = opts.ticks;\n var maxTicks = me.getTickLimit();\n maxTicks = Math.max(2, maxTicks);\n var numericGeneratorOptions = {\n maxTicks: maxTicks,\n bounds: opts.bounds,\n min: opts.min,\n max: opts.max,\n precision: tickOpts.precision,\n step: tickOpts.stepSize,\n count: tickOpts.count,\n maxDigits: me._maxDigits(),\n horizontal: me.isHorizontal(),\n minRotation: tickOpts.minRotation || 0,\n includeBounds: tickOpts.includeBounds !== false\n };\n var dataRange = me._range || me;\n var ticks = generateTicks$1(numericGeneratorOptions, dataRange);\n\n if (opts.bounds === 'ticks') {\n _setMinAndMaxByKey(ticks, me, 'value');\n }\n\n if (opts.reverse) {\n ticks.reverse();\n me.start = me.max;\n me.end = me.min;\n } else {\n me.start = me.min;\n me.end = me.max;\n }\n\n return ticks;\n }\n }, {\n key: \"configure\",\n value: function configure() {\n var me = this;\n var ticks = me.ticks;\n var start = me.min;\n var end = me.max;\n\n _get(_getPrototypeOf(LinearScaleBase.prototype), \"configure\", this).call(this);\n\n if (me.options.offset && ticks.length) {\n var offset = (end - start) / Math.max(ticks.length - 1, 1) / 2;\n start -= offset;\n end += offset;\n }\n\n me._startValue = start;\n me._endValue = end;\n me._valueRange = end - start;\n }\n }, {\n key: \"getLabelForValue\",\n value: function getLabelForValue(value) {\n return formatNumber(value, this.chart.options.locale);\n }\n }]);\n\n return LinearScaleBase;\n}(Scale);\n\nvar LinearScale = /*#__PURE__*/function (_LinearScaleBase) {\n _inherits(LinearScale, _LinearScaleBase);\n\n var _super21 = _createSuper(LinearScale);\n\n function LinearScale() {\n _classCallCheck(this, LinearScale);\n\n return _super21.apply(this, arguments);\n }\n\n _createClass(LinearScale, [{\n key: \"determineDataLimits\",\n value: function determineDataLimits() {\n var me = this;\n\n var _me$getMinMax2 = me.getMinMax(true),\n min = _me$getMinMax2.min,\n max = _me$getMinMax2.max;\n\n me.min = isNumberFinite(min) ? min : 0;\n me.max = isNumberFinite(max) ? max : 1;\n me.handleTickRangeOptions();\n }\n }, {\n key: \"computeTickLimit\",\n value: function computeTickLimit() {\n var me = this;\n var horizontal = me.isHorizontal();\n var length = horizontal ? me.width : me.height;\n var minRotation = toRadians(me.options.ticks.minRotation);\n var ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001;\n\n var tickFont = me._resolveTickFontOptions(0);\n\n return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio));\n }\n }, {\n key: \"getPixelForValue\",\n value: function getPixelForValue(value) {\n return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange);\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {\n return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange;\n }\n }]);\n\n return LinearScale;\n}(LinearScaleBase);\n\nLinearScale.id = 'linear';\nLinearScale.defaults = {\n ticks: {\n callback: Ticks.formatters.numeric\n }\n};\n\nfunction isMajor(tickVal) {\n var remain = tickVal / Math.pow(10, Math.floor(log10(tickVal)));\n return remain === 1;\n}\n\nfunction generateTicks(generationOptions, dataRange) {\n var endExp = Math.floor(log10(dataRange.max));\n var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));\n var ticks = [];\n var tickVal = finiteOrDefault(generationOptions.min, Math.pow(10, Math.floor(log10(dataRange.min))));\n var exp = Math.floor(log10(tickVal));\n var significand = Math.floor(tickVal / Math.pow(10, exp));\n var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1;\n\n do {\n ticks.push({\n value: tickVal,\n major: isMajor(tickVal)\n });\n ++significand;\n\n if (significand === 10) {\n significand = 1;\n ++exp;\n precision = exp >= 0 ? 1 : precision;\n }\n\n tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision;\n } while (exp < endExp || exp === endExp && significand < endSignificand);\n\n var lastTick = finiteOrDefault(generationOptions.max, tickVal);\n ticks.push({\n value: lastTick,\n major: isMajor(tickVal)\n });\n return ticks;\n}\n\nvar LogarithmicScale = /*#__PURE__*/function (_Scale3) {\n _inherits(LogarithmicScale, _Scale3);\n\n var _super22 = _createSuper(LogarithmicScale);\n\n function LogarithmicScale(cfg) {\n var _this16;\n\n _classCallCheck(this, LogarithmicScale);\n\n _this16 = _super22.call(this, cfg);\n _this16.start = undefined;\n _this16.end = undefined;\n _this16._startValue = undefined;\n _this16._valueRange = 0;\n return _this16;\n }\n\n _createClass(LogarithmicScale, [{\n key: \"parse\",\n value: function parse(raw, index) {\n var value = LinearScaleBase.prototype.parse.apply(this, [raw, index]);\n\n if (value === 0) {\n this._zero = true;\n return undefined;\n }\n\n return isNumberFinite(value) && value > 0 ? value : null;\n }\n }, {\n key: \"determineDataLimits\",\n value: function determineDataLimits() {\n var me = this;\n\n var _me$getMinMax3 = me.getMinMax(true),\n min = _me$getMinMax3.min,\n max = _me$getMinMax3.max;\n\n me.min = isNumberFinite(min) ? Math.max(0, min) : null;\n me.max = isNumberFinite(max) ? Math.max(0, max) : null;\n\n if (me.options.beginAtZero) {\n me._zero = true;\n }\n\n me.handleTickRangeOptions();\n }\n }, {\n key: \"handleTickRangeOptions\",\n value: function handleTickRangeOptions() {\n var me = this;\n\n var _me$getUserBounds4 = me.getUserBounds(),\n minDefined = _me$getUserBounds4.minDefined,\n maxDefined = _me$getUserBounds4.maxDefined;\n\n var min = me.min;\n var max = me.max;\n\n var setMin = function setMin(v) {\n return min = minDefined ? min : v;\n };\n\n var setMax = function setMax(v) {\n return max = maxDefined ? max : v;\n };\n\n var exp = function exp(v, m) {\n return Math.pow(10, Math.floor(log10(v)) + m);\n };\n\n if (min === max) {\n if (min <= 0) {\n setMin(1);\n setMax(10);\n } else {\n setMin(exp(min, -1));\n setMax(exp(max, +1));\n }\n }\n\n if (min <= 0) {\n setMin(exp(max, -1));\n }\n\n if (max <= 0) {\n setMax(exp(min, +1));\n }\n\n if (me._zero && me.min !== me._suggestedMin && min === exp(me.min, 0)) {\n setMin(exp(min, -1));\n }\n\n me.min = min;\n me.max = max;\n }\n }, {\n key: \"buildTicks\",\n value: function buildTicks() {\n var me = this;\n var opts = me.options;\n var generationOptions = {\n min: me._userMin,\n max: me._userMax\n };\n var ticks = generateTicks(generationOptions, me);\n\n if (opts.bounds === 'ticks') {\n _setMinAndMaxByKey(ticks, me, 'value');\n }\n\n if (opts.reverse) {\n ticks.reverse();\n me.start = me.max;\n me.end = me.min;\n } else {\n me.start = me.min;\n me.end = me.max;\n }\n\n return ticks;\n }\n }, {\n key: \"getLabelForValue\",\n value: function getLabelForValue(value) {\n return value === undefined ? '0' : formatNumber(value, this.chart.options.locale);\n }\n }, {\n key: \"configure\",\n value: function configure() {\n var me = this;\n var start = me.min;\n\n _get(_getPrototypeOf(LogarithmicScale.prototype), \"configure\", this).call(this);\n\n me._startValue = log10(start);\n me._valueRange = log10(me.max) - log10(start);\n }\n }, {\n key: \"getPixelForValue\",\n value: function getPixelForValue(value) {\n var me = this;\n\n if (value === undefined || value === 0) {\n value = me.min;\n }\n\n if (value === null || isNaN(value)) {\n return NaN;\n }\n\n return me.getPixelForDecimal(value === me.min ? 0 : (log10(value) - me._startValue) / me._valueRange);\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {\n var me = this;\n var decimal = me.getDecimalForPixel(pixel);\n return Math.pow(10, me._startValue + decimal * me._valueRange);\n }\n }]);\n\n return LogarithmicScale;\n}(Scale);\n\nLogarithmicScale.id = 'logarithmic';\nLogarithmicScale.defaults = {\n ticks: {\n callback: Ticks.formatters.logarithmic,\n major: {\n enabled: true\n }\n }\n};\n\nfunction getTickBackdropHeight(opts) {\n var tickOpts = opts.ticks;\n\n if (tickOpts.display && opts.display) {\n var padding = toPadding(tickOpts.backdropPadding);\n return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height;\n }\n\n return 0;\n}\n\nfunction measureLabelSize(ctx, font, label) {\n label = isArray(label) ? label : [label];\n return {\n w: _longestText(ctx, font.string, label),\n h: label.length * font.lineHeight\n };\n}\n\nfunction determineLimits(angle, pos, size, min, max) {\n if (angle === min || angle === max) {\n return {\n start: pos - size / 2,\n end: pos + size / 2\n };\n } else if (angle < min || angle > max) {\n return {\n start: pos - size,\n end: pos\n };\n }\n\n return {\n start: pos,\n end: pos + size\n };\n}\n\nfunction fitWithPointLabels(scale) {\n var furthestLimits = {\n l: 0,\n r: scale.width,\n t: 0,\n b: scale.height - scale.paddingTop\n };\n var furthestAngles = {};\n var labelSizes = [];\n var padding = [];\n var valueCount = scale.getLabels().length;\n\n for (var i = 0; i < valueCount; i++) {\n var opts = scale.options.pointLabels.setContext(scale.getPointLabelContext(i));\n padding[i] = opts.padding;\n var pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i]);\n var plFont = toFont(opts.font);\n var textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]);\n labelSizes[i] = textSize;\n var angleRadians = scale.getIndexAngle(i);\n var angle = toDegrees(angleRadians);\n var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);\n var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);\n\n if (hLimits.start < furthestLimits.l) {\n furthestLimits.l = hLimits.start;\n furthestAngles.l = angleRadians;\n }\n\n if (hLimits.end > furthestLimits.r) {\n furthestLimits.r = hLimits.end;\n furthestAngles.r = angleRadians;\n }\n\n if (vLimits.start < furthestLimits.t) {\n furthestLimits.t = vLimits.start;\n furthestAngles.t = angleRadians;\n }\n\n if (vLimits.end > furthestLimits.b) {\n furthestLimits.b = vLimits.end;\n furthestAngles.b = angleRadians;\n }\n }\n\n scale._setReductions(scale.drawingArea, furthestLimits, furthestAngles);\n\n scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding);\n}\n\nfunction buildPointLabelItems(scale, labelSizes, padding) {\n var items = [];\n var valueCount = scale.getLabels().length;\n var opts = scale.options;\n var tickBackdropHeight = getTickBackdropHeight(opts);\n var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max);\n\n for (var i = 0; i < valueCount; i++) {\n var extra = i === 0 ? tickBackdropHeight / 2 : 0;\n var pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + padding[i]);\n var angle = toDegrees(scale.getIndexAngle(i));\n var size = labelSizes[i];\n var y = yForAngle(pointLabelPosition.y, size.h, angle);\n var textAlign = getTextAlignForAngle(angle);\n var left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign);\n items.push({\n x: pointLabelPosition.x,\n y: y,\n textAlign: textAlign,\n left: left,\n top: y,\n right: left + size.w,\n bottom: y + size.h\n });\n }\n\n return items;\n}\n\nfunction getTextAlignForAngle(angle) {\n if (angle === 0 || angle === 180) {\n return 'center';\n } else if (angle < 180) {\n return 'left';\n }\n\n return 'right';\n}\n\nfunction leftForTextAlign(x, w, align) {\n if (align === 'right') {\n x -= w;\n } else if (align === 'center') {\n x -= w / 2;\n }\n\n return x;\n}\n\nfunction yForAngle(y, h, angle) {\n if (angle === 90 || angle === 270) {\n y -= h / 2;\n } else if (angle > 270 || angle < 90) {\n y -= h;\n }\n\n return y;\n}\n\nfunction drawPointLabels(scale, labelCount) {\n var ctx = scale.ctx,\n pointLabels = scale.options.pointLabels;\n\n for (var i = labelCount - 1; i >= 0; i--) {\n var optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i));\n var plFont = toFont(optsAtIndex.font);\n var _scale$_pointLabelIte = scale._pointLabelItems[i],\n x = _scale$_pointLabelIte.x,\n y = _scale$_pointLabelIte.y,\n textAlign = _scale$_pointLabelIte.textAlign,\n left = _scale$_pointLabelIte.left,\n top = _scale$_pointLabelIte.top,\n right = _scale$_pointLabelIte.right,\n bottom = _scale$_pointLabelIte.bottom;\n var backdropColor = optsAtIndex.backdropColor;\n\n if (!isNullOrUndef(backdropColor)) {\n var padding = toPadding(optsAtIndex.backdropPadding);\n ctx.fillStyle = backdropColor;\n ctx.fillRect(left - padding.left, top - padding.top, right - left + padding.width, bottom - top + padding.height);\n }\n\n renderText(ctx, scale._pointLabels[i], x, y + plFont.lineHeight / 2, plFont, {\n color: optsAtIndex.color,\n textAlign: textAlign,\n textBaseline: 'middle'\n });\n }\n}\n\nfunction pathRadiusLine(scale, radius, circular, labelCount) {\n var ctx = scale.ctx;\n\n if (circular) {\n ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU);\n } else {\n var pointPosition = scale.getPointPosition(0, radius);\n ctx.moveTo(pointPosition.x, pointPosition.y);\n\n for (var i = 1; i < labelCount; i++) {\n pointPosition = scale.getPointPosition(i, radius);\n ctx.lineTo(pointPosition.x, pointPosition.y);\n }\n }\n}\n\nfunction drawRadiusLine(scale, gridLineOpts, radius, labelCount) {\n var ctx = scale.ctx;\n var circular = gridLineOpts.circular;\n var color = gridLineOpts.color,\n lineWidth = gridLineOpts.lineWidth;\n\n if (!circular && !labelCount || !color || !lineWidth || radius < 0) {\n return;\n }\n\n ctx.save();\n ctx.strokeStyle = color;\n ctx.lineWidth = lineWidth;\n ctx.setLineDash(gridLineOpts.borderDash);\n ctx.lineDashOffset = gridLineOpts.borderDashOffset;\n ctx.beginPath();\n pathRadiusLine(scale, radius, circular, labelCount);\n ctx.closePath();\n ctx.stroke();\n ctx.restore();\n}\n\nfunction numberOrZero(param) {\n return isNumber(param) ? param : 0;\n}\n\nfunction createPointLabelContext(parent, index, label) {\n return Object.assign(Object.create(parent), {\n label: label,\n index: index,\n type: 'pointLabel'\n });\n}\n\nvar RadialLinearScale = /*#__PURE__*/function (_LinearScaleBase2) {\n _inherits(RadialLinearScale, _LinearScaleBase2);\n\n var _super23 = _createSuper(RadialLinearScale);\n\n function RadialLinearScale(cfg) {\n var _this17;\n\n _classCallCheck(this, RadialLinearScale);\n\n _this17 = _super23.call(this, cfg);\n _this17.xCenter = undefined;\n _this17.yCenter = undefined;\n _this17.drawingArea = undefined;\n _this17._pointLabels = [];\n _this17._pointLabelItems = [];\n return _this17;\n }\n\n _createClass(RadialLinearScale, [{\n key: \"setDimensions\",\n value: function setDimensions() {\n var me = this;\n me.width = me.maxWidth;\n me.height = me.maxHeight;\n me.paddingTop = getTickBackdropHeight(me.options) / 2;\n me.xCenter = Math.floor(me.width / 2);\n me.yCenter = Math.floor((me.height - me.paddingTop) / 2);\n me.drawingArea = Math.min(me.height - me.paddingTop, me.width) / 2;\n }\n }, {\n key: \"determineDataLimits\",\n value: function determineDataLimits() {\n var me = this;\n\n var _me$getMinMax4 = me.getMinMax(false),\n min = _me$getMinMax4.min,\n max = _me$getMinMax4.max;\n\n me.min = isNumberFinite(min) && !isNaN(min) ? min : 0;\n me.max = isNumberFinite(max) && !isNaN(max) ? max : 0;\n me.handleTickRangeOptions();\n }\n }, {\n key: \"computeTickLimit\",\n value: function computeTickLimit() {\n return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options));\n }\n }, {\n key: \"generateTickLabels\",\n value: function generateTickLabels(ticks) {\n var me = this;\n LinearScaleBase.prototype.generateTickLabels.call(me, ticks);\n me._pointLabels = me.getLabels().map(function (value, index) {\n var label = callback(me.options.pointLabels.callback, [value, index], me);\n return label || label === 0 ? label : '';\n });\n }\n }, {\n key: \"fit\",\n value: function fit() {\n var me = this;\n var opts = me.options;\n\n if (opts.display && opts.pointLabels.display) {\n fitWithPointLabels(me);\n } else {\n me.setCenterPoint(0, 0, 0, 0);\n }\n }\n }, {\n key: \"_setReductions\",\n value: function _setReductions(largestPossibleRadius, furthestLimits, furthestAngles) {\n var me = this;\n var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l);\n var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r);\n var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t);\n var radiusReductionBottom = -Math.max(furthestLimits.b - (me.height - me.paddingTop), 0) / Math.cos(furthestAngles.b);\n radiusReductionLeft = numberOrZero(radiusReductionLeft);\n radiusReductionRight = numberOrZero(radiusReductionRight);\n radiusReductionTop = numberOrZero(radiusReductionTop);\n radiusReductionBottom = numberOrZero(radiusReductionBottom);\n me.drawingArea = Math.max(largestPossibleRadius / 2, Math.min(Math.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), Math.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2)));\n me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);\n }\n }, {\n key: \"setCenterPoint\",\n value: function setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) {\n var me = this;\n var maxRight = me.width - rightMovement - me.drawingArea;\n var maxLeft = leftMovement + me.drawingArea;\n var maxTop = topMovement + me.drawingArea;\n var maxBottom = me.height - me.paddingTop - bottomMovement - me.drawingArea;\n me.xCenter = Math.floor((maxLeft + maxRight) / 2 + me.left);\n me.yCenter = Math.floor((maxTop + maxBottom) / 2 + me.top + me.paddingTop);\n }\n }, {\n key: \"getIndexAngle\",\n value: function getIndexAngle(index) {\n var angleMultiplier = TAU / this.getLabels().length;\n var startAngle = this.options.startAngle || 0;\n return _normalizeAngle(index * angleMultiplier + toRadians(startAngle));\n }\n }, {\n key: \"getDistanceFromCenterForValue\",\n value: function getDistanceFromCenterForValue(value) {\n var me = this;\n\n if (isNullOrUndef(value)) {\n return NaN;\n }\n\n var scalingFactor = me.drawingArea / (me.max - me.min);\n\n if (me.options.reverse) {\n return (me.max - value) * scalingFactor;\n }\n\n return (value - me.min) * scalingFactor;\n }\n }, {\n key: \"getValueForDistanceFromCenter\",\n value: function getValueForDistanceFromCenter(distance) {\n if (isNullOrUndef(distance)) {\n return NaN;\n }\n\n var me = this;\n var scaledDistance = distance / (me.drawingArea / (me.max - me.min));\n return me.options.reverse ? me.max - scaledDistance : me.min + scaledDistance;\n }\n }, {\n key: \"getPointLabelContext\",\n value: function getPointLabelContext(index) {\n var me = this;\n var pointLabels = me._pointLabels || [];\n\n if (index >= 0 && index < pointLabels.length) {\n var pointLabel = pointLabels[index];\n return createPointLabelContext(me.getContext(), index, pointLabel);\n }\n }\n }, {\n key: \"getPointPosition\",\n value: function getPointPosition(index, distanceFromCenter) {\n var me = this;\n var angle = me.getIndexAngle(index) - HALF_PI;\n return {\n x: Math.cos(angle) * distanceFromCenter + me.xCenter,\n y: Math.sin(angle) * distanceFromCenter + me.yCenter,\n angle: angle\n };\n }\n }, {\n key: \"getPointPositionForValue\",\n value: function getPointPositionForValue(index, value) {\n return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));\n }\n }, {\n key: \"getBasePosition\",\n value: function getBasePosition(index) {\n return this.getPointPositionForValue(index || 0, this.getBaseValue());\n }\n }, {\n key: \"getPointLabelPosition\",\n value: function getPointLabelPosition(index) {\n var _this$_pointLabelItem = this._pointLabelItems[index],\n left = _this$_pointLabelItem.left,\n top = _this$_pointLabelItem.top,\n right = _this$_pointLabelItem.right,\n bottom = _this$_pointLabelItem.bottom;\n return {\n left: left,\n top: top,\n right: right,\n bottom: bottom\n };\n }\n }, {\n key: \"drawBackground\",\n value: function drawBackground() {\n var me = this;\n var _me$options7 = me.options,\n backgroundColor = _me$options7.backgroundColor,\n circular = _me$options7.grid.circular;\n\n if (backgroundColor) {\n var ctx = me.ctx;\n ctx.save();\n ctx.beginPath();\n pathRadiusLine(me, me.getDistanceFromCenterForValue(me._endValue), circular, me.getLabels().length);\n ctx.closePath();\n ctx.fillStyle = backgroundColor;\n ctx.fill();\n ctx.restore();\n }\n }\n }, {\n key: \"drawGrid\",\n value: function drawGrid() {\n var me = this;\n var ctx = me.ctx;\n var opts = me.options;\n var angleLines = opts.angleLines,\n grid = opts.grid;\n var labelCount = me.getLabels().length;\n var i, offset, position;\n\n if (opts.pointLabels.display) {\n drawPointLabels(me, labelCount);\n }\n\n if (grid.display) {\n me.ticks.forEach(function (tick, index) {\n if (index !== 0) {\n offset = me.getDistanceFromCenterForValue(tick.value);\n var optsAtIndex = grid.setContext(me.getContext(index - 1));\n drawRadiusLine(me, optsAtIndex, offset, labelCount);\n }\n });\n }\n\n if (angleLines.display) {\n ctx.save();\n\n for (i = me.getLabels().length - 1; i >= 0; i--) {\n var optsAtIndex = angleLines.setContext(me.getPointLabelContext(i));\n var color = optsAtIndex.color,\n lineWidth = optsAtIndex.lineWidth;\n\n if (!lineWidth || !color) {\n continue;\n }\n\n ctx.lineWidth = lineWidth;\n ctx.strokeStyle = color;\n ctx.setLineDash(optsAtIndex.borderDash);\n ctx.lineDashOffset = optsAtIndex.borderDashOffset;\n offset = me.getDistanceFromCenterForValue(opts.ticks.reverse ? me.min : me.max);\n position = me.getPointPosition(i, offset);\n ctx.beginPath();\n ctx.moveTo(me.xCenter, me.yCenter);\n ctx.lineTo(position.x, position.y);\n ctx.stroke();\n }\n\n ctx.restore();\n }\n }\n }, {\n key: \"drawBorder\",\n value: function drawBorder() {}\n }, {\n key: \"drawLabels\",\n value: function drawLabels() {\n var me = this;\n var ctx = me.ctx;\n var opts = me.options;\n var tickOpts = opts.ticks;\n\n if (!tickOpts.display) {\n return;\n }\n\n var startAngle = me.getIndexAngle(0);\n var offset, width;\n ctx.save();\n ctx.translate(me.xCenter, me.yCenter);\n ctx.rotate(startAngle);\n ctx.textAlign = 'center';\n ctx.textBaseline = 'middle';\n me.ticks.forEach(function (tick, index) {\n if (index === 0 && !opts.reverse) {\n return;\n }\n\n var optsAtIndex = tickOpts.setContext(me.getContext(index));\n var tickFont = toFont(optsAtIndex.font);\n offset = me.getDistanceFromCenterForValue(me.ticks[index].value);\n\n if (optsAtIndex.showLabelBackdrop) {\n ctx.font = tickFont.string;\n width = ctx.measureText(tick.label).width;\n ctx.fillStyle = optsAtIndex.backdropColor;\n var padding = toPadding(optsAtIndex.backdropPadding);\n ctx.fillRect(-width / 2 - padding.left, -offset - tickFont.size / 2 - padding.top, width + padding.width, tickFont.size + padding.height);\n }\n\n renderText(ctx, tick.label, 0, -offset, tickFont, {\n color: optsAtIndex.color\n });\n });\n ctx.restore();\n }\n }, {\n key: \"drawTitle\",\n value: function drawTitle() {}\n }]);\n\n return RadialLinearScale;\n}(LinearScaleBase);\n\nRadialLinearScale.id = 'radialLinear';\nRadialLinearScale.defaults = {\n display: true,\n animate: true,\n position: 'chartArea',\n angleLines: {\n display: true,\n lineWidth: 1,\n borderDash: [],\n borderDashOffset: 0.0\n },\n grid: {\n circular: false\n },\n startAngle: 0,\n ticks: {\n showLabelBackdrop: true,\n callback: Ticks.formatters.numeric\n },\n pointLabels: {\n backdropColor: undefined,\n backdropPadding: 2,\n display: true,\n font: {\n size: 10\n },\n callback: function callback(label) {\n return label;\n },\n padding: 5\n }\n};\nRadialLinearScale.defaultRoutes = {\n 'angleLines.color': 'borderColor',\n 'pointLabels.color': 'color',\n 'ticks.color': 'color'\n};\nRadialLinearScale.descriptors = {\n angleLines: {\n _fallback: 'grid'\n }\n};\nvar INTERVALS = {\n millisecond: {\n common: true,\n size: 1,\n steps: 1000\n },\n second: {\n common: true,\n size: 1000,\n steps: 60\n },\n minute: {\n common: true,\n size: 60000,\n steps: 60\n },\n hour: {\n common: true,\n size: 3600000,\n steps: 24\n },\n day: {\n common: true,\n size: 86400000,\n steps: 30\n },\n week: {\n common: false,\n size: 604800000,\n steps: 4\n },\n month: {\n common: true,\n size: 2.628e9,\n steps: 12\n },\n quarter: {\n common: false,\n size: 7.884e9,\n steps: 4\n },\n year: {\n common: true,\n size: 3.154e10\n }\n};\nvar UNITS = Object.keys(INTERVALS);\n\nfunction sorter(a, b) {\n return a - b;\n}\n\nfunction _parse(scale, input) {\n if (isNullOrUndef(input)) {\n return null;\n }\n\n var adapter = scale._adapter;\n var _scale$_parseOpts = scale._parseOpts,\n parser = _scale$_parseOpts.parser,\n round = _scale$_parseOpts.round,\n isoWeekday = _scale$_parseOpts.isoWeekday;\n var value = input;\n\n if (typeof parser === 'function') {\n value = parser(value);\n }\n\n if (!isNumberFinite(value)) {\n value = typeof parser === 'string' ? adapter.parse(value, parser) : adapter.parse(value);\n }\n\n if (value === null) {\n return null;\n }\n\n if (round) {\n value = round === 'week' && (isNumber(isoWeekday) || isoWeekday === true) ? adapter.startOf(value, 'isoWeek', isoWeekday) : adapter.startOf(value, round);\n }\n\n return +value;\n}\n\nfunction determineUnitForAutoTicks(minUnit, min, max, capacity) {\n var ilen = UNITS.length;\n\n for (var i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {\n var interval = INTERVALS[UNITS[i]];\n var factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER;\n\n if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) {\n return UNITS[i];\n }\n }\n\n return UNITS[ilen - 1];\n}\n\nfunction determineUnitForFormatting(scale, numTicks, minUnit, min, max) {\n for (var i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) {\n var unit = UNITS[i];\n\n if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) {\n return unit;\n }\n }\n\n return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0];\n}\n\nfunction determineMajorUnit(unit) {\n for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {\n if (INTERVALS[UNITS[i]].common) {\n return UNITS[i];\n }\n }\n}\n\nfunction addTick(ticks, time, timestamps) {\n if (!timestamps) {\n ticks[time] = true;\n } else if (timestamps.length) {\n var _lookup2 = _lookup(timestamps, time),\n lo = _lookup2.lo,\n hi = _lookup2.hi;\n\n var timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi];\n ticks[timestamp] = true;\n }\n}\n\nfunction setMajorTicks(scale, ticks, map, majorUnit) {\n var adapter = scale._adapter;\n var first = +adapter.startOf(ticks[0].value, majorUnit);\n var last = ticks[ticks.length - 1].value;\n var major, index;\n\n for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) {\n index = map[major];\n\n if (index >= 0) {\n ticks[index].major = true;\n }\n }\n\n return ticks;\n}\n\nfunction ticksFromTimestamps(scale, values, majorUnit) {\n var ticks = [];\n var map = {};\n var ilen = values.length;\n var i, value;\n\n for (i = 0; i < ilen; ++i) {\n value = values[i];\n map[value] = i;\n ticks.push({\n value: value,\n major: false\n });\n }\n\n return ilen === 0 || !majorUnit ? ticks : setMajorTicks(scale, ticks, map, majorUnit);\n}\n\nvar TimeScale = /*#__PURE__*/function (_Scale4) {\n _inherits(TimeScale, _Scale4);\n\n var _super24 = _createSuper(TimeScale);\n\n function TimeScale(props) {\n var _this18;\n\n _classCallCheck(this, TimeScale);\n\n _this18 = _super24.call(this, props);\n _this18._cache = {\n data: [],\n labels: [],\n all: []\n };\n _this18._unit = 'day';\n _this18._majorUnit = undefined;\n _this18._offsets = {};\n _this18._normalized = false;\n _this18._parseOpts = undefined;\n return _this18;\n }\n\n _createClass(TimeScale, [{\n key: \"init\",\n value: function init(scaleOpts, opts) {\n var time = scaleOpts.time || (scaleOpts.time = {});\n var adapter = this._adapter = new adapters._date(scaleOpts.adapters.date);\n mergeIf(time.displayFormats, adapter.formats());\n this._parseOpts = {\n parser: time.parser,\n round: time.round,\n isoWeekday: time.isoWeekday\n };\n\n _get(_getPrototypeOf(TimeScale.prototype), \"init\", this).call(this, scaleOpts);\n\n this._normalized = opts.normalized;\n }\n }, {\n key: \"parse\",\n value: function parse(raw, index) {\n if (raw === undefined) {\n return null;\n }\n\n return _parse(this, raw);\n }\n }, {\n key: \"beforeLayout\",\n value: function beforeLayout() {\n _get(_getPrototypeOf(TimeScale.prototype), \"beforeLayout\", this).call(this);\n\n this._cache = {\n data: [],\n labels: [],\n all: []\n };\n }\n }, {\n key: \"determineDataLimits\",\n value: function determineDataLimits() {\n var me = this;\n var options = me.options;\n var adapter = me._adapter;\n var unit = options.time.unit || 'day';\n\n var _me$getUserBounds5 = me.getUserBounds(),\n min = _me$getUserBounds5.min,\n max = _me$getUserBounds5.max,\n minDefined = _me$getUserBounds5.minDefined,\n maxDefined = _me$getUserBounds5.maxDefined;\n\n function _applyBounds(bounds) {\n if (!minDefined && !isNaN(bounds.min)) {\n min = Math.min(min, bounds.min);\n }\n\n if (!maxDefined && !isNaN(bounds.max)) {\n max = Math.max(max, bounds.max);\n }\n }\n\n if (!minDefined || !maxDefined) {\n _applyBounds(me._getLabelBounds());\n\n if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') {\n _applyBounds(me.getMinMax(false));\n }\n }\n\n min = isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit);\n max = isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1;\n me.min = Math.min(min, max - 1);\n me.max = Math.max(min + 1, max);\n }\n }, {\n key: \"_getLabelBounds\",\n value: function _getLabelBounds() {\n var arr = this.getLabelTimestamps();\n var min = Number.POSITIVE_INFINITY;\n var max = Number.NEGATIVE_INFINITY;\n\n if (arr.length) {\n min = arr[0];\n max = arr[arr.length - 1];\n }\n\n return {\n min: min,\n max: max\n };\n }\n }, {\n key: \"buildTicks\",\n value: function buildTicks() {\n var me = this;\n var options = me.options;\n var timeOpts = options.time;\n var tickOpts = options.ticks;\n var timestamps = tickOpts.source === 'labels' ? me.getLabelTimestamps() : me._generate();\n\n if (options.bounds === 'ticks' && timestamps.length) {\n me.min = me._userMin || timestamps[0];\n me.max = me._userMax || timestamps[timestamps.length - 1];\n }\n\n var min = me.min;\n var max = me.max;\n\n var ticks = _filterBetween(timestamps, min, max);\n\n 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));\n me._majorUnit = !tickOpts.major.enabled || me._unit === 'year' ? undefined : determineMajorUnit(me._unit);\n me.initOffsets(timestamps);\n\n if (options.reverse) {\n ticks.reverse();\n }\n\n return ticksFromTimestamps(me, ticks, me._majorUnit);\n }\n }, {\n key: \"initOffsets\",\n value: function initOffsets(timestamps) {\n var me = this;\n var start = 0;\n var end = 0;\n var first, last;\n\n if (me.options.offset && timestamps.length) {\n first = me.getDecimalForValue(timestamps[0]);\n\n if (timestamps.length === 1) {\n start = 1 - first;\n } else {\n start = (me.getDecimalForValue(timestamps[1]) - first) / 2;\n }\n\n last = me.getDecimalForValue(timestamps[timestamps.length - 1]);\n\n if (timestamps.length === 1) {\n end = last;\n } else {\n end = (last - me.getDecimalForValue(timestamps[timestamps.length - 2])) / 2;\n }\n }\n\n var limit = timestamps.length < 3 ? 0.5 : 0.25;\n start = _limitValue(start, 0, limit);\n end = _limitValue(end, 0, limit);\n me._offsets = {\n start: start,\n end: end,\n factor: 1 / (start + 1 + end)\n };\n }\n }, {\n key: \"_generate\",\n value: function _generate() {\n var me = this;\n var adapter = me._adapter;\n var min = me.min;\n var max = me.max;\n var options = me.options;\n var timeOpts = options.time;\n var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, me._getLabelCapacity(min));\n var stepSize = valueOrDefault(timeOpts.stepSize, 1);\n var weekday = minor === 'week' ? timeOpts.isoWeekday : false;\n var hasWeekday = isNumber(weekday) || weekday === true;\n var ticks = {};\n var first = min;\n var time, count;\n\n if (hasWeekday) {\n first = +adapter.startOf(first, 'isoWeek', weekday);\n }\n\n first = +adapter.startOf(first, hasWeekday ? 'day' : minor);\n\n if (adapter.diff(max, min, minor) > 100000 * stepSize) {\n throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor);\n }\n\n var timestamps = options.ticks.source === 'data' && me.getDataTimestamps();\n\n for (time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++) {\n addTick(ticks, time, timestamps);\n }\n\n if (time === max || options.bounds === 'ticks' || count === 1) {\n addTick(ticks, time, timestamps);\n }\n\n return Object.keys(ticks).sort(function (a, b) {\n return a - b;\n }).map(function (x) {\n return +x;\n });\n }\n }, {\n key: \"getLabelForValue\",\n value: function getLabelForValue(value) {\n var me = this;\n var adapter = me._adapter;\n var timeOpts = me.options.time;\n\n if (timeOpts.tooltipFormat) {\n return adapter.format(value, timeOpts.tooltipFormat);\n }\n\n return adapter.format(value, timeOpts.displayFormats.datetime);\n }\n }, {\n key: \"_tickFormatFunction\",\n value: function _tickFormatFunction(time, index, ticks, format) {\n var me = this;\n var options = me.options;\n var formats = options.time.displayFormats;\n var unit = me._unit;\n var majorUnit = me._majorUnit;\n var minorFormat = unit && formats[unit];\n var majorFormat = majorUnit && formats[majorUnit];\n var tick = ticks[index];\n var major = majorUnit && majorFormat && tick && tick.major;\n\n var label = me._adapter.format(time, format || (major ? majorFormat : minorFormat));\n\n var formatter = options.ticks.callback;\n return formatter ? callback(formatter, [label, index, ticks], me) : label;\n }\n }, {\n key: \"generateTickLabels\",\n value: function generateTickLabels(ticks) {\n var i, ilen, tick;\n\n for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n tick = ticks[i];\n tick.label = this._tickFormatFunction(tick.value, i, ticks);\n }\n }\n }, {\n key: \"getDecimalForValue\",\n value: function getDecimalForValue(value) {\n var me = this;\n return value === null ? NaN : (value - me.min) / (me.max - me.min);\n }\n }, {\n key: \"getPixelForValue\",\n value: function getPixelForValue(value) {\n var me = this;\n var offsets = me._offsets;\n var pos = me.getDecimalForValue(value);\n return me.getPixelForDecimal((offsets.start + pos) * offsets.factor);\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {\n var me = this;\n var offsets = me._offsets;\n var pos = me.getDecimalForPixel(pixel) / offsets.factor - offsets.end;\n return me.min + pos * (me.max - me.min);\n }\n }, {\n key: \"_getLabelSize\",\n value: function _getLabelSize(label) {\n var me = this;\n var ticksOpts = me.options.ticks;\n var tickLabelWidth = me.ctx.measureText(label).width;\n var angle = toRadians(me.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation);\n var cosRotation = Math.cos(angle);\n var sinRotation = Math.sin(angle);\n\n var tickFontSize = me._resolveTickFontOptions(0).size;\n\n return {\n w: tickLabelWidth * cosRotation + tickFontSize * sinRotation,\n h: tickLabelWidth * sinRotation + tickFontSize * cosRotation\n };\n }\n }, {\n key: \"_getLabelCapacity\",\n value: function _getLabelCapacity(exampleTime) {\n var me = this;\n var timeOpts = me.options.time;\n var displayFormats = timeOpts.displayFormats;\n var format = displayFormats[timeOpts.unit] || displayFormats.millisecond;\n\n var exampleLabel = me._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(me, [exampleTime], me._majorUnit), format);\n\n var size = me._getLabelSize(exampleLabel);\n\n var capacity = Math.floor(me.isHorizontal() ? me.width / size.w : me.height / size.h) - 1;\n return capacity > 0 ? capacity : 1;\n }\n }, {\n key: \"getDataTimestamps\",\n value: function getDataTimestamps() {\n var me = this;\n var timestamps = me._cache.data || [];\n var i, ilen;\n\n if (timestamps.length) {\n return timestamps;\n }\n\n var metas = me.getMatchingVisibleMetas();\n\n if (me._normalized && metas.length) {\n return me._cache.data = metas[0].controller.getAllParsedValues(me);\n }\n\n for (i = 0, ilen = metas.length; i < ilen; ++i) {\n timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(me));\n }\n\n return me._cache.data = me.normalize(timestamps);\n }\n }, {\n key: \"getLabelTimestamps\",\n value: function getLabelTimestamps() {\n var me = this;\n var timestamps = me._cache.labels || [];\n var i, ilen;\n\n if (timestamps.length) {\n return timestamps;\n }\n\n var labels = me.getLabels();\n\n for (i = 0, ilen = labels.length; i < ilen; ++i) {\n timestamps.push(_parse(me, labels[i]));\n }\n\n return me._cache.labels = me._normalized ? timestamps : me.normalize(timestamps);\n }\n }, {\n key: \"normalize\",\n value: function normalize(values) {\n return _arrayUnique(values.sort(sorter));\n }\n }]);\n\n return TimeScale;\n}(Scale);\n\nTimeScale.id = 'time';\nTimeScale.defaults = {\n bounds: 'data',\n adapters: {},\n time: {\n parser: false,\n unit: false,\n round: false,\n isoWeekday: false,\n minUnit: 'millisecond',\n displayFormats: {}\n },\n ticks: {\n source: 'auto',\n major: {\n enabled: false\n }\n }\n};\n\nfunction interpolate(table, val, reverse) {\n var lo = 0;\n var hi = table.length - 1;\n var prevSource, nextSource, prevTarget, nextTarget;\n\n if (reverse) {\n if (val >= table[lo].pos && val <= table[hi].pos) {\n var _lookupByKey2 = _lookupByKey(table, 'pos', val);\n\n lo = _lookupByKey2.lo;\n hi = _lookupByKey2.hi;\n }\n\n var _table$lo = table[lo];\n prevSource = _table$lo.pos;\n prevTarget = _table$lo.time;\n var _table$hi = table[hi];\n nextSource = _table$hi.pos;\n nextTarget = _table$hi.time;\n } else {\n if (val >= table[lo].time && val <= table[hi].time) {\n var _lookupByKey3 = _lookupByKey(table, 'time', val);\n\n lo = _lookupByKey3.lo;\n hi = _lookupByKey3.hi;\n }\n\n var _table$lo2 = table[lo];\n prevSource = _table$lo2.time;\n prevTarget = _table$lo2.pos;\n var _table$hi2 = table[hi];\n nextSource = _table$hi2.time;\n nextTarget = _table$hi2.pos;\n }\n\n var span = nextSource - prevSource;\n return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget;\n}\n\nvar TimeSeriesScale = /*#__PURE__*/function (_TimeScale) {\n _inherits(TimeSeriesScale, _TimeScale);\n\n var _super25 = _createSuper(TimeSeriesScale);\n\n function TimeSeriesScale(props) {\n var _this19;\n\n _classCallCheck(this, TimeSeriesScale);\n\n _this19 = _super25.call(this, props);\n _this19._table = [];\n _this19._minPos = undefined;\n _this19._tableRange = undefined;\n return _this19;\n }\n\n _createClass(TimeSeriesScale, [{\n key: \"initOffsets\",\n value: function initOffsets() {\n var me = this;\n\n var timestamps = me._getTimestampsForTable();\n\n var table = me._table = me.buildLookupTable(timestamps);\n me._minPos = interpolate(table, me.min);\n me._tableRange = interpolate(table, me.max) - me._minPos;\n\n _get(_getPrototypeOf(TimeSeriesScale.prototype), \"initOffsets\", this).call(this, timestamps);\n }\n }, {\n key: \"buildLookupTable\",\n value: function buildLookupTable(timestamps) {\n var min = this.min,\n max = this.max;\n var items = [];\n var table = [];\n var i, ilen, prev, curr, next;\n\n for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n curr = timestamps[i];\n\n if (curr >= min && curr <= max) {\n items.push(curr);\n }\n }\n\n if (items.length < 2) {\n return [{\n time: min,\n pos: 0\n }, {\n time: max,\n pos: 1\n }];\n }\n\n for (i = 0, ilen = items.length; i < ilen; ++i) {\n next = items[i + 1];\n prev = items[i - 1];\n curr = items[i];\n\n if (Math.round((next + prev) / 2) !== curr) {\n table.push({\n time: curr,\n pos: i / (ilen - 1)\n });\n }\n }\n\n return table;\n }\n }, {\n key: \"_getTimestampsForTable\",\n value: function _getTimestampsForTable() {\n var me = this;\n var timestamps = me._cache.all || [];\n\n if (timestamps.length) {\n return timestamps;\n }\n\n var data = me.getDataTimestamps();\n var label = me.getLabelTimestamps();\n\n if (data.length && label.length) {\n timestamps = me.normalize(data.concat(label));\n } else {\n timestamps = data.length ? data : label;\n }\n\n timestamps = me._cache.all = timestamps;\n return timestamps;\n }\n }, {\n key: \"getDecimalForValue\",\n value: function getDecimalForValue(value) {\n return (interpolate(this._table, value) - this._minPos) / this._tableRange;\n }\n }, {\n key: \"getValueForPixel\",\n value: function getValueForPixel(pixel) {\n var me = this;\n var offsets = me._offsets;\n var decimal = me.getDecimalForPixel(pixel) / offsets.factor - offsets.end;\n return interpolate(me._table, decimal * me._tableRange + me._minPos, true);\n }\n }]);\n\n return TimeSeriesScale;\n}(TimeScale);\n\nTimeSeriesScale.id = 'timeseries';\nTimeSeriesScale.defaults = TimeScale.defaults;\nvar scales = /*#__PURE__*/Object.freeze({\n __proto__: null,\n CategoryScale: CategoryScale,\n LinearScale: LinearScale,\n LogarithmicScale: LogarithmicScale,\n RadialLinearScale: RadialLinearScale,\n TimeScale: TimeScale,\n TimeSeriesScale: TimeSeriesScale\n});\nvar registerables = [controllers, elements, plugins, scales];\nexport { Animation, Animations, ArcElement, BarController, BarElement, BasePlatform, BasicPlatform, BubbleController, CategoryScale, Chart, DatasetController, plugin_decimation as Decimation, DomPlatform, DoughnutController, Element, plugin_filler as Filler, Interaction, plugin_legend as Legend, LineController, LineElement, LinearScale, LogarithmicScale, PieController, PointElement, PolarAreaController, RadarController, RadialLinearScale, Scale, ScatterController, plugin_subtitle as SubTitle, Ticks, TimeScale, TimeSeriesScale, plugin_title as Title, plugin_tooltip as Tooltip, adapters as _adapters, _detectPlatform, animator, controllers, elements, layouts, plugins, registerables, registry, scales };","function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }\n\nfunction _nonIterableSpread() { throw new TypeError(\"Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(n); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _iterableToArray(iter) { if (typeof Symbol !== \"undefined\" && Symbol.iterator in Object(iter)) return Array.from(iter); }\n\nfunction _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\nimport { Chart, registerables } from '../dist/chart.esm';\nChart.register.apply(Chart, _toConsumableArray(registerables));\nexport default Chart;","export default function requiredArgs(required, args) {\n if (args.length < required) {\n throw new TypeError(required + ' argument' + (required > 1 ? 's' : '') + ' required, but only ' + args.length + ' present');\n }\n}","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name toDate\n * @category Common Helpers\n * @summary Convert the given argument to an instance of Date.\n *\n * @description\n * Convert the given argument to an instance of Date.\n *\n * If the argument is an instance of Date, the function returns its clone.\n *\n * If the argument is a number, it is treated as a timestamp.\n *\n * If the argument is none of the above, the function returns Invalid Date.\n *\n * **Note**: *all* Date arguments passed to any *date-fns* function is processed by `toDate`.\n *\n * @param {Date|Number} argument - the value to convert\n * @returns {Date} the parsed date in the local time zone\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // Clone the date:\n * const result = toDate(new Date(2014, 1, 11, 11, 30, 30))\n * //=> Tue Feb 11 2014 11:30:30\n *\n * @example\n * // Convert the timestamp to date:\n * const result = toDate(1392098430000)\n * //=> Tue Feb 11 2014 11:30:30\n */\n\nexport default function toDate(argument) {\n requiredArgs(1, arguments);\n var argStr = Object.prototype.toString.call(argument); // Clone the date\n\n if (argument instanceof Date || _typeof(argument) === 'object' && argStr === '[object Date]') {\n // Prevent the date to lose the milliseconds when passed to new Date() in IE10\n return new Date(argument.getTime());\n } else if (typeof argument === 'number' || argStr === '[object Number]') {\n return new Date(argument);\n } else {\n if ((typeof argument === 'string' || argStr === '[object String]') && typeof console !== 'undefined') {\n // eslint-disable-next-line no-console\n console.warn(\"Starting with v2.0.0-beta.1 date-fns doesn't accept strings as date arguments. Please use `parseISO` to parse strings. See: https://git.io/fjule\"); // eslint-disable-next-line no-console\n\n console.warn(new Error().stack);\n }\n\n return new Date(NaN);\n }\n}","var formatDistanceLocale = {\n lessThanXSeconds: {\n one: 'less than a second',\n other: 'less than {{count}} seconds'\n },\n xSeconds: {\n one: '1 second',\n other: '{{count}} seconds'\n },\n halfAMinute: 'half a minute',\n lessThanXMinutes: {\n one: 'less than a minute',\n other: 'less than {{count}} minutes'\n },\n xMinutes: {\n one: '1 minute',\n other: '{{count}} minutes'\n },\n aboutXHours: {\n one: 'about 1 hour',\n other: 'about {{count}} hours'\n },\n xHours: {\n one: '1 hour',\n other: '{{count}} hours'\n },\n xDays: {\n one: '1 day',\n other: '{{count}} days'\n },\n aboutXWeeks: {\n one: 'about 1 week',\n other: 'about {{count}} weeks'\n },\n xWeeks: {\n one: '1 week',\n other: '{{count}} weeks'\n },\n aboutXMonths: {\n one: 'about 1 month',\n other: 'about {{count}} months'\n },\n xMonths: {\n one: '1 month',\n other: '{{count}} months'\n },\n aboutXYears: {\n one: 'about 1 year',\n other: 'about {{count}} years'\n },\n xYears: {\n one: '1 year',\n other: '{{count}} years'\n },\n overXYears: {\n one: 'over 1 year',\n other: 'over {{count}} years'\n },\n almostXYears: {\n one: 'almost 1 year',\n other: 'almost {{count}} years'\n }\n};\nexport default function formatDistance(token, count, options) {\n options = options || {};\n var result;\n\n if (typeof formatDistanceLocale[token] === 'string') {\n result = formatDistanceLocale[token];\n } else if (count === 1) {\n result = formatDistanceLocale[token].one;\n } else {\n result = formatDistanceLocale[token].other.replace('{{count}}', count);\n }\n\n if (options.addSuffix) {\n if (options.comparison > 0) {\n return 'in ' + result;\n } else {\n return result + ' ago';\n }\n }\n\n return result;\n}","export default function buildFormatLongFn(args) {\n return function () {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; // TODO: Remove String()\n\n var width = options.width ? String(options.width) : args.defaultWidth;\n var format = args.formats[width] || args.formats[args.defaultWidth];\n return format;\n };\n}","import buildFormatLongFn from \"../../../_lib/buildFormatLongFn/index.js\";\nvar dateFormats = {\n full: 'EEEE, MMMM do, y',\n \"long\": 'MMMM do, y',\n medium: 'MMM d, y',\n \"short\": 'MM/dd/yyyy'\n};\nvar timeFormats = {\n full: 'h:mm:ss a zzzz',\n \"long\": 'h:mm:ss a z',\n medium: 'h:mm:ss a',\n \"short\": 'h:mm a'\n};\nvar dateTimeFormats = {\n full: \"{{date}} 'at' {{time}}\",\n \"long\": \"{{date}} 'at' {{time}}\",\n medium: '{{date}}, {{time}}',\n \"short\": '{{date}}, {{time}}'\n};\nvar formatLong = {\n date: buildFormatLongFn({\n formats: dateFormats,\n defaultWidth: 'full'\n }),\n time: buildFormatLongFn({\n formats: timeFormats,\n defaultWidth: 'full'\n }),\n dateTime: buildFormatLongFn({\n formats: dateTimeFormats,\n defaultWidth: 'full'\n })\n};\nexport default formatLong;","var formatRelativeLocale = {\n lastWeek: \"'last' eeee 'at' p\",\n yesterday: \"'yesterday at' p\",\n today: \"'today at' p\",\n tomorrow: \"'tomorrow at' p\",\n nextWeek: \"eeee 'at' p\",\n other: 'P'\n};\nexport default function formatRelative(token, _date, _baseDate, _options) {\n return formatRelativeLocale[token];\n}","export default function buildLocalizeFn(args) {\n return function (dirtyIndex, dirtyOptions) {\n var options = dirtyOptions || {};\n var context = options.context ? String(options.context) : 'standalone';\n var valuesArray;\n\n if (context === 'formatting' && args.formattingValues) {\n var defaultWidth = args.defaultFormattingWidth || args.defaultWidth;\n var width = options.width ? String(options.width) : defaultWidth;\n valuesArray = args.formattingValues[width] || args.formattingValues[defaultWidth];\n } else {\n var _defaultWidth = args.defaultWidth;\n\n var _width = options.width ? String(options.width) : args.defaultWidth;\n\n valuesArray = args.values[_width] || args.values[_defaultWidth];\n }\n\n var index = args.argumentCallback ? args.argumentCallback(dirtyIndex) : dirtyIndex; // @ts-ignore: For some reason TypeScript just don't want to match it, no matter how hard we try. I challange you to try to remove it!\n\n return valuesArray[index];\n };\n}","export default function buildMatchFn(args) {\n return function (string) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var width = options.width;\n var matchPattern = width && args.matchPatterns[width] || args.matchPatterns[args.defaultMatchWidth];\n var matchResult = string.match(matchPattern);\n\n if (!matchResult) {\n return null;\n }\n\n var matchedString = matchResult[0];\n var parsePatterns = width && args.parsePatterns[width] || args.parsePatterns[args.defaultParseWidth];\n var key = Array.isArray(parsePatterns) ? findIndex(parsePatterns, function (pattern) {\n return pattern.test(matchedString);\n }) : findKey(parsePatterns, function (pattern) {\n return pattern.test(matchedString);\n });\n var value;\n value = args.valueCallback ? args.valueCallback(key) : key;\n value = options.valueCallback ? options.valueCallback(value) : value;\n var rest = string.slice(matchedString.length);\n return {\n value: value,\n rest: rest\n };\n };\n}\n\nfunction findKey(object, predicate) {\n for (var key in object) {\n if (object.hasOwnProperty(key) && predicate(object[key])) {\n return key;\n }\n }\n\n return undefined;\n}\n\nfunction findIndex(array, predicate) {\n for (var key = 0; key < array.length; key++) {\n if (predicate(array[key])) {\n return key;\n }\n }\n\n return undefined;\n}","import buildMatchPatternFn from \"../../../_lib/buildMatchPatternFn/index.js\";\nimport buildMatchFn from \"../../../_lib/buildMatchFn/index.js\";\nvar matchOrdinalNumberPattern = /^(\\d+)(th|st|nd|rd)?/i;\nvar parseOrdinalNumberPattern = /\\d+/i;\nvar matchEraPatterns = {\n narrow: /^(b|a)/i,\n abbreviated: /^(b\\.?\\s?c\\.?|b\\.?\\s?c\\.?\\s?e\\.?|a\\.?\\s?d\\.?|c\\.?\\s?e\\.?)/i,\n wide: /^(before christ|before common era|anno domini|common era)/i\n};\nvar parseEraPatterns = {\n any: [/^b/i, /^(a|c)/i]\n};\nvar matchQuarterPatterns = {\n narrow: /^[1234]/i,\n abbreviated: /^q[1234]/i,\n wide: /^[1234](th|st|nd|rd)? quarter/i\n};\nvar parseQuarterPatterns = {\n any: [/1/i, /2/i, /3/i, /4/i]\n};\nvar matchMonthPatterns = {\n narrow: /^[jfmasond]/i,\n abbreviated: /^(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)/i,\n wide: /^(january|february|march|april|may|june|july|august|september|october|november|december)/i\n};\nvar parseMonthPatterns = {\n narrow: [/^j/i, /^f/i, /^m/i, /^a/i, /^m/i, /^j/i, /^j/i, /^a/i, /^s/i, /^o/i, /^n/i, /^d/i],\n any: [/^ja/i, /^f/i, /^mar/i, /^ap/i, /^may/i, /^jun/i, /^jul/i, /^au/i, /^s/i, /^o/i, /^n/i, /^d/i]\n};\nvar matchDayPatterns = {\n narrow: /^[smtwf]/i,\n \"short\": /^(su|mo|tu|we|th|fr|sa)/i,\n abbreviated: /^(sun|mon|tue|wed|thu|fri|sat)/i,\n wide: /^(sunday|monday|tuesday|wednesday|thursday|friday|saturday)/i\n};\nvar parseDayPatterns = {\n narrow: [/^s/i, /^m/i, /^t/i, /^w/i, /^t/i, /^f/i, /^s/i],\n any: [/^su/i, /^m/i, /^tu/i, /^w/i, /^th/i, /^f/i, /^sa/i]\n};\nvar matchDayPeriodPatterns = {\n narrow: /^(a|p|mi|n|(in the|at) (morning|afternoon|evening|night))/i,\n any: /^([ap]\\.?\\s?m\\.?|midnight|noon|(in the|at) (morning|afternoon|evening|night))/i\n};\nvar parseDayPeriodPatterns = {\n any: {\n am: /^a/i,\n pm: /^p/i,\n midnight: /^mi/i,\n noon: /^no/i,\n morning: /morning/i,\n afternoon: /afternoon/i,\n evening: /evening/i,\n night: /night/i\n }\n};\nvar match = {\n ordinalNumber: buildMatchPatternFn({\n matchPattern: matchOrdinalNumberPattern,\n parsePattern: parseOrdinalNumberPattern,\n valueCallback: function valueCallback(value) {\n return parseInt(value, 10);\n }\n }),\n era: buildMatchFn({\n matchPatterns: matchEraPatterns,\n defaultMatchWidth: 'wide',\n parsePatterns: parseEraPatterns,\n defaultParseWidth: 'any'\n }),\n quarter: buildMatchFn({\n matchPatterns: matchQuarterPatterns,\n defaultMatchWidth: 'wide',\n parsePatterns: parseQuarterPatterns,\n defaultParseWidth: 'any',\n valueCallback: function valueCallback(index) {\n return index + 1;\n }\n }),\n month: buildMatchFn({\n matchPatterns: matchMonthPatterns,\n defaultMatchWidth: 'wide',\n parsePatterns: parseMonthPatterns,\n defaultParseWidth: 'any'\n }),\n day: buildMatchFn({\n matchPatterns: matchDayPatterns,\n defaultMatchWidth: 'wide',\n parsePatterns: parseDayPatterns,\n defaultParseWidth: 'any'\n }),\n dayPeriod: buildMatchFn({\n matchPatterns: matchDayPeriodPatterns,\n defaultMatchWidth: 'any',\n parsePatterns: parseDayPeriodPatterns,\n defaultParseWidth: 'any'\n })\n};\nexport default match;","export default function buildMatchPatternFn(args) {\n return function (string) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var matchResult = string.match(args.matchPattern);\n if (!matchResult) return null;\n var matchedString = matchResult[0];\n var parseResult = string.match(args.parsePattern);\n if (!parseResult) return null;\n var value = args.valueCallback ? args.valueCallback(parseResult[0]) : parseResult[0];\n value = options.valueCallback ? options.valueCallback(value) : value;\n var rest = string.slice(matchedString.length);\n return {\n value: value,\n rest: rest\n };\n };\n}","import formatDistance from \"./_lib/formatDistance/index.js\";\nimport formatLong from \"./_lib/formatLong/index.js\";\nimport formatRelative from \"./_lib/formatRelative/index.js\";\nimport localize from \"./_lib/localize/index.js\";\nimport match from \"./_lib/match/index.js\";\n/**\n * @type {Locale}\n * @category Locales\n * @summary English locale (United States).\n * @language English\n * @iso-639-2 eng\n * @author Sasha Koss [@kossnocorp]{@link https://github.com/kossnocorp}\n * @author Lesha Koss [@leshakoss]{@link https://github.com/leshakoss}\n */\n\nvar locale = {\n code: 'en-US',\n formatDistance: formatDistance,\n formatLong: formatLong,\n formatRelative: formatRelative,\n localize: localize,\n match: match,\n options: {\n weekStartsOn: 0\n /* Sunday */\n ,\n firstWeekContainsDate: 1\n }\n};\nexport default locale;","import buildLocalizeFn from \"../../../_lib/buildLocalizeFn/index.js\";\nvar eraValues = {\n narrow: ['B', 'A'],\n abbreviated: ['BC', 'AD'],\n wide: ['Before Christ', 'Anno Domini']\n};\nvar quarterValues = {\n narrow: ['1', '2', '3', '4'],\n abbreviated: ['Q1', 'Q2', 'Q3', 'Q4'],\n wide: ['1st quarter', '2nd quarter', '3rd quarter', '4th quarter']\n}; // Note: in English, the names of days of the week and months are capitalized.\n// If you are making a new locale based on this one, check if the same is true for the language you're working on.\n// Generally, formatted dates should look like they are in the middle of a sentence,\n// e.g. in Spanish language the weekdays and months should be in the lowercase.\n\nvar monthValues = {\n narrow: ['J', 'F', 'M', 'A', 'M', 'J', 'J', 'A', 'S', 'O', 'N', 'D'],\n abbreviated: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],\n wide: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']\n};\nvar dayValues = {\n narrow: ['S', 'M', 'T', 'W', 'T', 'F', 'S'],\n \"short\": ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],\n abbreviated: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],\n wide: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']\n};\nvar dayPeriodValues = {\n narrow: {\n am: 'a',\n pm: 'p',\n midnight: 'mi',\n noon: 'n',\n morning: 'morning',\n afternoon: 'afternoon',\n evening: 'evening',\n night: 'night'\n },\n abbreviated: {\n am: 'AM',\n pm: 'PM',\n midnight: 'midnight',\n noon: 'noon',\n morning: 'morning',\n afternoon: 'afternoon',\n evening: 'evening',\n night: 'night'\n },\n wide: {\n am: 'a.m.',\n pm: 'p.m.',\n midnight: 'midnight',\n noon: 'noon',\n morning: 'morning',\n afternoon: 'afternoon',\n evening: 'evening',\n night: 'night'\n }\n};\nvar formattingDayPeriodValues = {\n narrow: {\n am: 'a',\n pm: 'p',\n midnight: 'mi',\n noon: 'n',\n morning: 'in the morning',\n afternoon: 'in the afternoon',\n evening: 'in the evening',\n night: 'at night'\n },\n abbreviated: {\n am: 'AM',\n pm: 'PM',\n midnight: 'midnight',\n noon: 'noon',\n morning: 'in the morning',\n afternoon: 'in the afternoon',\n evening: 'in the evening',\n night: 'at night'\n },\n wide: {\n am: 'a.m.',\n pm: 'p.m.',\n midnight: 'midnight',\n noon: 'noon',\n morning: 'in the morning',\n afternoon: 'in the afternoon',\n evening: 'in the evening',\n night: 'at night'\n }\n};\n\nfunction ordinalNumber(dirtyNumber, _dirtyOptions) {\n var number = Number(dirtyNumber); // If ordinal numbers depend on context, for example,\n // if they are different for different grammatical genders,\n // use `options.unit`:\n //\n // var options = dirtyOptions || {}\n // var unit = String(options.unit)\n //\n // where `unit` can be 'year', 'quarter', 'month', 'week', 'date', 'dayOfYear',\n // 'day', 'hour', 'minute', 'second'\n\n var rem100 = number % 100;\n\n if (rem100 > 20 || rem100 < 10) {\n switch (rem100 % 10) {\n case 1:\n return number + 'st';\n\n case 2:\n return number + 'nd';\n\n case 3:\n return number + 'rd';\n }\n }\n\n return number + 'th';\n}\n\nvar localize = {\n ordinalNumber: ordinalNumber,\n era: buildLocalizeFn({\n values: eraValues,\n defaultWidth: 'wide'\n }),\n quarter: buildLocalizeFn({\n values: quarterValues,\n defaultWidth: 'wide',\n argumentCallback: function argumentCallback(quarter) {\n return Number(quarter) - 1;\n }\n }),\n month: buildLocalizeFn({\n values: monthValues,\n defaultWidth: 'wide'\n }),\n day: buildLocalizeFn({\n values: dayValues,\n defaultWidth: 'wide'\n }),\n dayPeriod: buildLocalizeFn({\n values: dayPeriodValues,\n defaultWidth: 'wide',\n formattingValues: formattingDayPeriodValues,\n defaultFormattingWidth: 'wide'\n })\n};\nexport default localize;","export default function toInteger(dirtyNumber) {\n if (dirtyNumber === null || dirtyNumber === true || dirtyNumber === false) {\n return NaN;\n }\n\n var number = Number(dirtyNumber);\n\n if (isNaN(number)) {\n return number;\n }\n\n return number < 0 ? Math.ceil(number) : Math.floor(number);\n}","import toInteger from \"../_lib/toInteger/index.js\";\nimport toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name addMilliseconds\n * @category Millisecond Helpers\n * @summary Add the specified number of milliseconds to the given date.\n *\n * @description\n * Add the specified number of milliseconds to the given date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} amount - the amount of milliseconds to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.\n * @returns {Date} the new date with the milliseconds added\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // Add 750 milliseconds to 10 July 2014 12:45:30.000:\n * const result = addMilliseconds(new Date(2014, 6, 10, 12, 45, 30, 0), 750)\n * //=> Thu Jul 10 2014 12:45:30.750\n */\n\nexport default function addMilliseconds(dirtyDate, dirtyAmount) {\n requiredArgs(2, arguments);\n var timestamp = toDate(dirtyDate).getTime();\n var amount = toInteger(dirtyAmount);\n return new Date(timestamp + amount);\n}","import toInteger from \"../_lib/toInteger/index.js\";\nimport addMilliseconds from \"../addMilliseconds/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name subMilliseconds\n * @category Millisecond Helpers\n * @summary Subtract the specified number of milliseconds from the given date.\n *\n * @description\n * Subtract the specified number of milliseconds from the given date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} amount - the amount of milliseconds to be subtracted. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.\n * @returns {Date} the new date with the milliseconds subtracted\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // Subtract 750 milliseconds from 10 July 2014 12:45:30.000:\n * const result = subMilliseconds(new Date(2014, 6, 10, 12, 45, 30, 0), 750)\n * //=> Thu Jul 10 2014 12:45:29.250\n */\n\nexport default function subMilliseconds(dirtyDate, dirtyAmount) {\n requiredArgs(2, arguments);\n var amount = toInteger(dirtyAmount);\n return addMilliseconds(dirtyDate, -amount);\n}","export default function assign(target, dirtyObject) {\n if (target == null) {\n throw new TypeError('assign requires that input parameter not be null or undefined');\n }\n\n dirtyObject = dirtyObject || {};\n\n for (var property in dirtyObject) {\n if (Object.prototype.hasOwnProperty.call(dirtyObject, property)) {\n target[property] = dirtyObject[property];\n }\n }\n\n return target;\n}","function dateLongFormatter(pattern, formatLong) {\n switch (pattern) {\n case 'P':\n return formatLong.date({\n width: 'short'\n });\n\n case 'PP':\n return formatLong.date({\n width: 'medium'\n });\n\n case 'PPP':\n return formatLong.date({\n width: 'long'\n });\n\n case 'PPPP':\n default:\n return formatLong.date({\n width: 'full'\n });\n }\n}\n\nfunction timeLongFormatter(pattern, formatLong) {\n switch (pattern) {\n case 'p':\n return formatLong.time({\n width: 'short'\n });\n\n case 'pp':\n return formatLong.time({\n width: 'medium'\n });\n\n case 'ppp':\n return formatLong.time({\n width: 'long'\n });\n\n case 'pppp':\n default:\n return formatLong.time({\n width: 'full'\n });\n }\n}\n\nfunction dateTimeLongFormatter(pattern, formatLong) {\n var matchResult = pattern.match(/(P+)(p+)?/);\n var datePattern = matchResult[1];\n var timePattern = matchResult[2];\n\n if (!timePattern) {\n return dateLongFormatter(pattern, formatLong);\n }\n\n var dateTimeFormat;\n\n switch (datePattern) {\n case 'P':\n dateTimeFormat = formatLong.dateTime({\n width: 'short'\n });\n break;\n\n case 'PP':\n dateTimeFormat = formatLong.dateTime({\n width: 'medium'\n });\n break;\n\n case 'PPP':\n dateTimeFormat = formatLong.dateTime({\n width: 'long'\n });\n break;\n\n case 'PPPP':\n default:\n dateTimeFormat = formatLong.dateTime({\n width: 'full'\n });\n break;\n }\n\n return dateTimeFormat.replace('{{date}}', dateLongFormatter(datePattern, formatLong)).replace('{{time}}', timeLongFormatter(timePattern, formatLong));\n}\n\nvar longFormatters = {\n p: timeLongFormatter,\n P: dateTimeLongFormatter\n};\nexport default longFormatters;","/**\n * Google Chrome as of 67.0.3396.87 introduced timezones with offset that includes seconds.\n * They usually appear for dates that denote time before the timezones were introduced\n * (e.g. for 'Europe/Prague' timezone the offset is GMT+00:57:44 before 1 October 1891\n * and GMT+01:00:00 after that date)\n *\n * Date#getTimezoneOffset returns the offset in minutes and would return 57 for the example above,\n * which would lead to incorrect calculations.\n *\n * This function returns the timezone offset in milliseconds that takes seconds in account.\n */\nexport default function getTimezoneOffsetInMilliseconds(date) {\n var utcDate = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds(), date.getMilliseconds()));\n utcDate.setUTCFullYear(date.getFullYear());\n return date.getTime() - utcDate.getTime();\n}","var protectedDayOfYearTokens = ['D', 'DD'];\nvar protectedWeekYearTokens = ['YY', 'YYYY'];\nexport function isProtectedDayOfYearToken(token) {\n return protectedDayOfYearTokens.indexOf(token) !== -1;\n}\nexport function isProtectedWeekYearToken(token) {\n return protectedWeekYearTokens.indexOf(token) !== -1;\n}\nexport function throwProtectedError(token, format, input) {\n if (token === 'YYYY') {\n throw new RangeError(\"Use `yyyy` instead of `YYYY` (in `\".concat(format, \"`) for formatting years to the input `\").concat(input, \"`; see: https://git.io/fxCyr\"));\n } else if (token === 'YY') {\n throw new RangeError(\"Use `yy` instead of `YY` (in `\".concat(format, \"`) for formatting years to the input `\").concat(input, \"`; see: https://git.io/fxCyr\"));\n } else if (token === 'D') {\n throw new RangeError(\"Use `d` instead of `D` (in `\".concat(format, \"`) for formatting days of the month to the input `\").concat(input, \"`; see: https://git.io/fxCyr\"));\n } else if (token === 'DD') {\n throw new RangeError(\"Use `dd` instead of `DD` (in `\".concat(format, \"`) for formatting days of the month to the input `\").concat(input, \"`; see: https://git.io/fxCyr\"));\n }\n}","import toInteger from \"../toInteger/index.js\";\nimport toDate from \"../../toDate/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\"; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function startOfUTCWeek(dirtyDate, dirtyOptions) {\n requiredArgs(1, arguments);\n var options = dirtyOptions || {};\n var locale = options.locale;\n var localeWeekStartsOn = locale && locale.options && locale.options.weekStartsOn;\n var defaultWeekStartsOn = localeWeekStartsOn == null ? 0 : toInteger(localeWeekStartsOn);\n var weekStartsOn = options.weekStartsOn == null ? defaultWeekStartsOn : toInteger(options.weekStartsOn); // Test if weekStartsOn is between 0 and 6 _and_ is not NaN\n\n if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {\n throw new RangeError('weekStartsOn must be between 0 and 6 inclusively');\n }\n\n var date = toDate(dirtyDate);\n var day = date.getUTCDay();\n var diff = (day < weekStartsOn ? 7 : 0) + day - weekStartsOn;\n date.setUTCDate(date.getUTCDate() - diff);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n}","import toInteger from \"../toInteger/index.js\";\nimport toDate from \"../../toDate/index.js\";\nimport startOfUTCWeek from \"../startOfUTCWeek/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\"; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function getUTCWeekYear(dirtyDate, dirtyOptions) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate, dirtyOptions);\n var year = date.getUTCFullYear();\n var options = dirtyOptions || {};\n var locale = options.locale;\n var localeFirstWeekContainsDate = locale && locale.options && locale.options.firstWeekContainsDate;\n var defaultFirstWeekContainsDate = localeFirstWeekContainsDate == null ? 1 : toInteger(localeFirstWeekContainsDate);\n var firstWeekContainsDate = options.firstWeekContainsDate == null ? defaultFirstWeekContainsDate : toInteger(options.firstWeekContainsDate); // Test if weekStartsOn is between 1 and 7 _and_ is not NaN\n\n if (!(firstWeekContainsDate >= 1 && firstWeekContainsDate <= 7)) {\n throw new RangeError('firstWeekContainsDate must be between 1 and 7 inclusively');\n }\n\n var firstWeekOfNextYear = new Date(0);\n firstWeekOfNextYear.setUTCFullYear(year + 1, 0, firstWeekContainsDate);\n firstWeekOfNextYear.setUTCHours(0, 0, 0, 0);\n var startOfNextYear = startOfUTCWeek(firstWeekOfNextYear, dirtyOptions);\n var firstWeekOfThisYear = new Date(0);\n firstWeekOfThisYear.setUTCFullYear(year, 0, firstWeekContainsDate);\n firstWeekOfThisYear.setUTCHours(0, 0, 0, 0);\n var startOfThisYear = startOfUTCWeek(firstWeekOfThisYear, dirtyOptions);\n\n if (date.getTime() >= startOfNextYear.getTime()) {\n return year + 1;\n } else if (date.getTime() >= startOfThisYear.getTime()) {\n return year;\n } else {\n return year - 1;\n }\n}","import toInteger from \"../toInteger/index.js\";\nimport toDate from \"../../toDate/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\"; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function setUTCDay(dirtyDate, dirtyDay, dirtyOptions) {\n requiredArgs(2, arguments);\n var options = dirtyOptions || {};\n var locale = options.locale;\n var localeWeekStartsOn = locale && locale.options && locale.options.weekStartsOn;\n var defaultWeekStartsOn = localeWeekStartsOn == null ? 0 : toInteger(localeWeekStartsOn);\n var weekStartsOn = options.weekStartsOn == null ? defaultWeekStartsOn : toInteger(options.weekStartsOn); // Test if weekStartsOn is between 0 and 6 _and_ is not NaN\n\n if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {\n throw new RangeError('weekStartsOn must be between 0 and 6 inclusively');\n }\n\n var date = toDate(dirtyDate);\n var day = toInteger(dirtyDay);\n var currentDay = date.getUTCDay();\n var remainder = day % 7;\n var dayIndex = (remainder + 7) % 7;\n var diff = (dayIndex < weekStartsOn ? 7 : 0) + day - currentDay;\n date.setUTCDate(date.getUTCDate() + diff);\n return date;\n}","import toDate from \"../../toDate/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\"; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function startOfUTCISOWeek(dirtyDate) {\n requiredArgs(1, arguments);\n var weekStartsOn = 1;\n var date = toDate(dirtyDate);\n var day = date.getUTCDay();\n var diff = (day < weekStartsOn ? 7 : 0) + day - weekStartsOn;\n date.setUTCDate(date.getUTCDate() - diff);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n}","import toDate from \"../../toDate/index.js\";\nimport startOfUTCISOWeek from \"../startOfUTCISOWeek/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\"; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function getUTCISOWeekYear(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n var year = date.getUTCFullYear();\n var fourthOfJanuaryOfNextYear = new Date(0);\n fourthOfJanuaryOfNextYear.setUTCFullYear(year + 1, 0, 4);\n fourthOfJanuaryOfNextYear.setUTCHours(0, 0, 0, 0);\n var startOfNextYear = startOfUTCISOWeek(fourthOfJanuaryOfNextYear);\n var fourthOfJanuaryOfThisYear = new Date(0);\n fourthOfJanuaryOfThisYear.setUTCFullYear(year, 0, 4);\n fourthOfJanuaryOfThisYear.setUTCHours(0, 0, 0, 0);\n var startOfThisYear = startOfUTCISOWeek(fourthOfJanuaryOfThisYear);\n\n if (date.getTime() >= startOfNextYear.getTime()) {\n return year + 1;\n } else if (date.getTime() >= startOfThisYear.getTime()) {\n return year;\n } else {\n return year - 1;\n }\n}","import getUTCISOWeekYear from \"../getUTCISOWeekYear/index.js\";\nimport startOfUTCISOWeek from \"../startOfUTCISOWeek/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\"; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function startOfUTCISOWeekYear(dirtyDate) {\n requiredArgs(1, arguments);\n var year = getUTCISOWeekYear(dirtyDate);\n var fourthOfJanuary = new Date(0);\n fourthOfJanuary.setUTCFullYear(year, 0, 4);\n fourthOfJanuary.setUTCHours(0, 0, 0, 0);\n var date = startOfUTCISOWeek(fourthOfJanuary);\n return date;\n}","import toDate from \"../../toDate/index.js\";\nimport startOfUTCISOWeek from \"../startOfUTCISOWeek/index.js\";\nimport startOfUTCISOWeekYear from \"../startOfUTCISOWeekYear/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\";\nvar MILLISECONDS_IN_WEEK = 604800000; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function getUTCISOWeek(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n var diff = startOfUTCISOWeek(date).getTime() - startOfUTCISOWeekYear(date).getTime(); // Round the number of days to the nearest integer\n // because the number of milliseconds in a week is not constant\n // (e.g. it's different in the week of the daylight saving time clock shift)\n\n return Math.round(diff / MILLISECONDS_IN_WEEK) + 1;\n}","import toInteger from \"../toInteger/index.js\";\nimport getUTCWeekYear from \"../getUTCWeekYear/index.js\";\nimport startOfUTCWeek from \"../startOfUTCWeek/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\"; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function startOfUTCWeekYear(dirtyDate, dirtyOptions) {\n requiredArgs(1, arguments);\n var options = dirtyOptions || {};\n var locale = options.locale;\n var localeFirstWeekContainsDate = locale && locale.options && locale.options.firstWeekContainsDate;\n var defaultFirstWeekContainsDate = localeFirstWeekContainsDate == null ? 1 : toInteger(localeFirstWeekContainsDate);\n var firstWeekContainsDate = options.firstWeekContainsDate == null ? defaultFirstWeekContainsDate : toInteger(options.firstWeekContainsDate);\n var year = getUTCWeekYear(dirtyDate, dirtyOptions);\n var firstWeek = new Date(0);\n firstWeek.setUTCFullYear(year, 0, firstWeekContainsDate);\n firstWeek.setUTCHours(0, 0, 0, 0);\n var date = startOfUTCWeek(firstWeek, dirtyOptions);\n return date;\n}","import toDate from \"../../toDate/index.js\";\nimport startOfUTCWeek from \"../startOfUTCWeek/index.js\";\nimport startOfUTCWeekYear from \"../startOfUTCWeekYear/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\";\nvar MILLISECONDS_IN_WEEK = 604800000; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function getUTCWeek(dirtyDate, options) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n var diff = startOfUTCWeek(date, options).getTime() - startOfUTCWeekYear(date, options).getTime(); // Round the number of days to the nearest integer\n // because the number of milliseconds in a week is not constant\n // (e.g. it's different in the week of the daylight saving time clock shift)\n\n return Math.round(diff / MILLISECONDS_IN_WEEK) + 1;\n}","import getUTCWeekYear from \"../../../_lib/getUTCWeekYear/index.js\";\nimport setUTCDay from \"../../../_lib/setUTCDay/index.js\";\nimport setUTCISODay from \"../../../_lib/setUTCISODay/index.js\";\nimport setUTCISOWeek from \"../../../_lib/setUTCISOWeek/index.js\";\nimport setUTCWeek from \"../../../_lib/setUTCWeek/index.js\";\nimport startOfUTCISOWeek from \"../../../_lib/startOfUTCISOWeek/index.js\";\nimport startOfUTCWeek from \"../../../_lib/startOfUTCWeek/index.js\";\nvar MILLISECONDS_IN_HOUR = 3600000;\nvar MILLISECONDS_IN_MINUTE = 60000;\nvar MILLISECONDS_IN_SECOND = 1000;\nvar numericPatterns = {\n month: /^(1[0-2]|0?\\d)/,\n // 0 to 12\n date: /^(3[0-1]|[0-2]?\\d)/,\n // 0 to 31\n dayOfYear: /^(36[0-6]|3[0-5]\\d|[0-2]?\\d?\\d)/,\n // 0 to 366\n week: /^(5[0-3]|[0-4]?\\d)/,\n // 0 to 53\n hour23h: /^(2[0-3]|[0-1]?\\d)/,\n // 0 to 23\n hour24h: /^(2[0-4]|[0-1]?\\d)/,\n // 0 to 24\n hour11h: /^(1[0-1]|0?\\d)/,\n // 0 to 11\n hour12h: /^(1[0-2]|0?\\d)/,\n // 0 to 12\n minute: /^[0-5]?\\d/,\n // 0 to 59\n second: /^[0-5]?\\d/,\n // 0 to 59\n singleDigit: /^\\d/,\n // 0 to 9\n twoDigits: /^\\d{1,2}/,\n // 0 to 99\n threeDigits: /^\\d{1,3}/,\n // 0 to 999\n fourDigits: /^\\d{1,4}/,\n // 0 to 9999\n anyDigitsSigned: /^-?\\d+/,\n singleDigitSigned: /^-?\\d/,\n // 0 to 9, -0 to -9\n twoDigitsSigned: /^-?\\d{1,2}/,\n // 0 to 99, -0 to -99\n threeDigitsSigned: /^-?\\d{1,3}/,\n // 0 to 999, -0 to -999\n fourDigitsSigned: /^-?\\d{1,4}/ // 0 to 9999, -0 to -9999\n\n};\nvar timezonePatterns = {\n basicOptionalMinutes: /^([+-])(\\d{2})(\\d{2})?|Z/,\n basic: /^([+-])(\\d{2})(\\d{2})|Z/,\n basicOptionalSeconds: /^([+-])(\\d{2})(\\d{2})((\\d{2}))?|Z/,\n extended: /^([+-])(\\d{2}):(\\d{2})|Z/,\n extendedOptionalSeconds: /^([+-])(\\d{2}):(\\d{2})(:(\\d{2}))?|Z/\n};\n\nfunction parseNumericPattern(pattern, string, valueCallback) {\n var matchResult = string.match(pattern);\n\n if (!matchResult) {\n return null;\n }\n\n var value = parseInt(matchResult[0], 10);\n return {\n value: valueCallback ? valueCallback(value) : value,\n rest: string.slice(matchResult[0].length)\n };\n}\n\nfunction parseTimezonePattern(pattern, string) {\n var matchResult = string.match(pattern);\n\n if (!matchResult) {\n return null;\n } // Input is 'Z'\n\n\n if (matchResult[0] === 'Z') {\n return {\n value: 0,\n rest: string.slice(1)\n };\n }\n\n var sign = matchResult[1] === '+' ? 1 : -1;\n var hours = matchResult[2] ? parseInt(matchResult[2], 10) : 0;\n var minutes = matchResult[3] ? parseInt(matchResult[3], 10) : 0;\n var seconds = matchResult[5] ? parseInt(matchResult[5], 10) : 0;\n return {\n value: sign * (hours * MILLISECONDS_IN_HOUR + minutes * MILLISECONDS_IN_MINUTE + seconds * MILLISECONDS_IN_SECOND),\n rest: string.slice(matchResult[0].length)\n };\n}\n\nfunction parseAnyDigitsSigned(string, valueCallback) {\n return parseNumericPattern(numericPatterns.anyDigitsSigned, string, valueCallback);\n}\n\nfunction parseNDigits(n, string, valueCallback) {\n switch (n) {\n case 1:\n return parseNumericPattern(numericPatterns.singleDigit, string, valueCallback);\n\n case 2:\n return parseNumericPattern(numericPatterns.twoDigits, string, valueCallback);\n\n case 3:\n return parseNumericPattern(numericPatterns.threeDigits, string, valueCallback);\n\n case 4:\n return parseNumericPattern(numericPatterns.fourDigits, string, valueCallback);\n\n default:\n return parseNumericPattern(new RegExp('^\\\\d{1,' + n + '}'), string, valueCallback);\n }\n}\n\nfunction parseNDigitsSigned(n, string, valueCallback) {\n switch (n) {\n case 1:\n return parseNumericPattern(numericPatterns.singleDigitSigned, string, valueCallback);\n\n case 2:\n return parseNumericPattern(numericPatterns.twoDigitsSigned, string, valueCallback);\n\n case 3:\n return parseNumericPattern(numericPatterns.threeDigitsSigned, string, valueCallback);\n\n case 4:\n return parseNumericPattern(numericPatterns.fourDigitsSigned, string, valueCallback);\n\n default:\n return parseNumericPattern(new RegExp('^-?\\\\d{1,' + n + '}'), string, valueCallback);\n }\n}\n\nfunction dayPeriodEnumToHours(enumValue) {\n switch (enumValue) {\n case 'morning':\n return 4;\n\n case 'evening':\n return 17;\n\n case 'pm':\n case 'noon':\n case 'afternoon':\n return 12;\n\n case 'am':\n case 'midnight':\n case 'night':\n default:\n return 0;\n }\n}\n\nfunction normalizeTwoDigitYear(twoDigitYear, currentYear) {\n var isCommonEra = currentYear > 0; // Absolute number of the current year:\n // 1 -> 1 AC\n // 0 -> 1 BC\n // -1 -> 2 BC\n\n var absCurrentYear = isCommonEra ? currentYear : 1 - currentYear;\n var result;\n\n if (absCurrentYear <= 50) {\n result = twoDigitYear || 100;\n } else {\n var rangeEnd = absCurrentYear + 50;\n var rangeEndCentury = Math.floor(rangeEnd / 100) * 100;\n var isPreviousCentury = twoDigitYear >= rangeEnd % 100;\n result = twoDigitYear + rangeEndCentury - (isPreviousCentury ? 100 : 0);\n }\n\n return isCommonEra ? result : 1 - result;\n}\n\nvar DAYS_IN_MONTH = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];\nvar DAYS_IN_MONTH_LEAP_YEAR = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; // User for validation\n\nfunction isLeapYearIndex(year) {\n return year % 400 === 0 || year % 4 === 0 && year % 100 !== 0;\n}\n/*\n * | | Unit | | Unit |\n * |-----|--------------------------------|-----|--------------------------------|\n * | a | AM, PM | A* | Milliseconds in day |\n * | b | AM, PM, noon, midnight | B | Flexible day period |\n * | c | Stand-alone local day of week | C* | Localized hour w/ day period |\n * | d | Day of month | D | Day of year |\n * | e | Local day of week | E | Day of week |\n * | f | | F* | Day of week in month |\n * | g* | Modified Julian day | G | Era |\n * | h | Hour [1-12] | H | Hour [0-23] |\n * | i! | ISO day of week | I! | ISO week of year |\n * | j* | Localized hour w/ day period | J* | Localized hour w/o day period |\n * | k | Hour [1-24] | K | Hour [0-11] |\n * | l* | (deprecated) | L | Stand-alone month |\n * | m | Minute | M | Month |\n * | n | | N | |\n * | o! | Ordinal number modifier | O* | Timezone (GMT) |\n * | p | | P | |\n * | q | Stand-alone quarter | Q | Quarter |\n * | r* | Related Gregorian year | R! | ISO week-numbering year |\n * | s | Second | S | Fraction of second |\n * | t! | Seconds timestamp | T! | Milliseconds timestamp |\n * | u | Extended year | U* | Cyclic year |\n * | v* | Timezone (generic non-locat.) | V* | Timezone (location) |\n * | w | Local week of year | W* | Week of month |\n * | x | Timezone (ISO-8601 w/o Z) | X | Timezone (ISO-8601) |\n * | y | Year (abs) | Y | Local week-numbering year |\n * | z* | Timezone (specific non-locat.) | Z* | Timezone (aliases) |\n *\n * Letters marked by * are not implemented but reserved by Unicode standard.\n *\n * Letters marked by ! are non-standard, but implemented by date-fns:\n * - `o` modifies the previous token to turn it into an ordinal (see `parse` docs)\n * - `i` is ISO day of week. For `i` and `ii` is returns numeric ISO week days,\n * i.e. 7 for Sunday, 1 for Monday, etc.\n * - `I` is ISO week of year, as opposed to `w` which is local week of year.\n * - `R` is ISO week-numbering year, as opposed to `Y` which is local week-numbering year.\n * `R` is supposed to be used in conjunction with `I` and `i`\n * for universal ISO week-numbering date, whereas\n * `Y` is supposed to be used in conjunction with `w` and `e`\n * for week-numbering date specific to the locale.\n */\n\n\nvar parsers = {\n // Era\n G: {\n priority: 140,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n // AD, BC\n case 'G':\n case 'GG':\n case 'GGG':\n return match.era(string, {\n width: 'abbreviated'\n }) || match.era(string, {\n width: 'narrow'\n });\n // A, B\n\n case 'GGGGG':\n return match.era(string, {\n width: 'narrow'\n });\n // Anno Domini, Before Christ\n\n case 'GGGG':\n default:\n return match.era(string, {\n width: 'wide'\n }) || match.era(string, {\n width: 'abbreviated'\n }) || match.era(string, {\n width: 'narrow'\n });\n }\n },\n set: function set(date, flags, value, _options) {\n flags.era = value;\n date.setUTCFullYear(value, 0, 1);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['R', 'u', 't', 'T']\n },\n // Year\n y: {\n // From http://www.unicode.org/reports/tr35/tr35-31/tr35-dates.html#Date_Format_Patterns\n // | Year | y | yy | yyy | yyyy | yyyyy |\n // |----------|-------|----|-------|-------|-------|\n // | AD 1 | 1 | 01 | 001 | 0001 | 00001 |\n // | AD 12 | 12 | 12 | 012 | 0012 | 00012 |\n // | AD 123 | 123 | 23 | 123 | 0123 | 00123 |\n // | AD 1234 | 1234 | 34 | 1234 | 1234 | 01234 |\n // | AD 12345 | 12345 | 45 | 12345 | 12345 | 12345 |\n priority: 130,\n parse: function parse(string, token, match, _options) {\n var valueCallback = function valueCallback(year) {\n return {\n year: year,\n isTwoDigitYear: token === 'yy'\n };\n };\n\n switch (token) {\n case 'y':\n return parseNDigits(4, string, valueCallback);\n\n case 'yo':\n return match.ordinalNumber(string, {\n unit: 'year',\n valueCallback: valueCallback\n });\n\n default:\n return parseNDigits(token.length, string, valueCallback);\n }\n },\n validate: function validate(_date, value, _options) {\n return value.isTwoDigitYear || value.year > 0;\n },\n set: function set(date, flags, value, _options) {\n var currentYear = date.getUTCFullYear();\n\n if (value.isTwoDigitYear) {\n var normalizedTwoDigitYear = normalizeTwoDigitYear(value.year, currentYear);\n date.setUTCFullYear(normalizedTwoDigitYear, 0, 1);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n }\n\n var year = !('era' in flags) || flags.era === 1 ? value.year : 1 - value.year;\n date.setUTCFullYear(year, 0, 1);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['Y', 'R', 'u', 'w', 'I', 'i', 'e', 'c', 't', 'T']\n },\n // Local week-numbering year\n Y: {\n priority: 130,\n parse: function parse(string, token, match, _options) {\n var valueCallback = function valueCallback(year) {\n return {\n year: year,\n isTwoDigitYear: token === 'YY'\n };\n };\n\n switch (token) {\n case 'Y':\n return parseNDigits(4, string, valueCallback);\n\n case 'Yo':\n return match.ordinalNumber(string, {\n unit: 'year',\n valueCallback: valueCallback\n });\n\n default:\n return parseNDigits(token.length, string, valueCallback);\n }\n },\n validate: function validate(_date, value, _options) {\n return value.isTwoDigitYear || value.year > 0;\n },\n set: function set(date, flags, value, options) {\n var currentYear = getUTCWeekYear(date, options);\n\n if (value.isTwoDigitYear) {\n var normalizedTwoDigitYear = normalizeTwoDigitYear(value.year, currentYear);\n date.setUTCFullYear(normalizedTwoDigitYear, 0, options.firstWeekContainsDate);\n date.setUTCHours(0, 0, 0, 0);\n return startOfUTCWeek(date, options);\n }\n\n var year = !('era' in flags) || flags.era === 1 ? value.year : 1 - value.year;\n date.setUTCFullYear(year, 0, options.firstWeekContainsDate);\n date.setUTCHours(0, 0, 0, 0);\n return startOfUTCWeek(date, options);\n },\n incompatibleTokens: ['y', 'R', 'u', 'Q', 'q', 'M', 'L', 'I', 'd', 'D', 'i', 't', 'T']\n },\n // ISO week-numbering year\n R: {\n priority: 130,\n parse: function parse(string, token, _match, _options) {\n if (token === 'R') {\n return parseNDigitsSigned(4, string);\n }\n\n return parseNDigitsSigned(token.length, string);\n },\n set: function set(_date, _flags, value, _options) {\n var firstWeekOfYear = new Date(0);\n firstWeekOfYear.setUTCFullYear(value, 0, 4);\n firstWeekOfYear.setUTCHours(0, 0, 0, 0);\n return startOfUTCISOWeek(firstWeekOfYear);\n },\n incompatibleTokens: ['G', 'y', 'Y', 'u', 'Q', 'q', 'M', 'L', 'w', 'd', 'D', 'e', 'c', 't', 'T']\n },\n // Extended year\n u: {\n priority: 130,\n parse: function parse(string, token, _match, _options) {\n if (token === 'u') {\n return parseNDigitsSigned(4, string);\n }\n\n return parseNDigitsSigned(token.length, string);\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCFullYear(value, 0, 1);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['G', 'y', 'Y', 'R', 'w', 'I', 'i', 'e', 'c', 't', 'T']\n },\n // Quarter\n Q: {\n priority: 120,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n // 1, 2, 3, 4\n case 'Q':\n case 'QQ':\n // 01, 02, 03, 04\n return parseNDigits(token.length, string);\n // 1st, 2nd, 3rd, 4th\n\n case 'Qo':\n return match.ordinalNumber(string, {\n unit: 'quarter'\n });\n // Q1, Q2, Q3, Q4\n\n case 'QQQ':\n return match.quarter(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.quarter(string, {\n width: 'narrow',\n context: 'formatting'\n });\n // 1, 2, 3, 4 (narrow quarter; could be not numerical)\n\n case 'QQQQQ':\n return match.quarter(string, {\n width: 'narrow',\n context: 'formatting'\n });\n // 1st quarter, 2nd quarter, ...\n\n case 'QQQQ':\n default:\n return match.quarter(string, {\n width: 'wide',\n context: 'formatting'\n }) || match.quarter(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.quarter(string, {\n width: 'narrow',\n context: 'formatting'\n });\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 1 && value <= 4;\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCMonth((value - 1) * 3, 1);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['Y', 'R', 'q', 'M', 'L', 'w', 'I', 'd', 'D', 'i', 'e', 'c', 't', 'T']\n },\n // Stand-alone quarter\n q: {\n priority: 120,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n // 1, 2, 3, 4\n case 'q':\n case 'qq':\n // 01, 02, 03, 04\n return parseNDigits(token.length, string);\n // 1st, 2nd, 3rd, 4th\n\n case 'qo':\n return match.ordinalNumber(string, {\n unit: 'quarter'\n });\n // Q1, Q2, Q3, Q4\n\n case 'qqq':\n return match.quarter(string, {\n width: 'abbreviated',\n context: 'standalone'\n }) || match.quarter(string, {\n width: 'narrow',\n context: 'standalone'\n });\n // 1, 2, 3, 4 (narrow quarter; could be not numerical)\n\n case 'qqqqq':\n return match.quarter(string, {\n width: 'narrow',\n context: 'standalone'\n });\n // 1st quarter, 2nd quarter, ...\n\n case 'qqqq':\n default:\n return match.quarter(string, {\n width: 'wide',\n context: 'standalone'\n }) || match.quarter(string, {\n width: 'abbreviated',\n context: 'standalone'\n }) || match.quarter(string, {\n width: 'narrow',\n context: 'standalone'\n });\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 1 && value <= 4;\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCMonth((value - 1) * 3, 1);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['Y', 'R', 'Q', 'M', 'L', 'w', 'I', 'd', 'D', 'i', 'e', 'c', 't', 'T']\n },\n // Month\n M: {\n priority: 110,\n parse: function parse(string, token, match, _options) {\n var valueCallback = function valueCallback(value) {\n return value - 1;\n };\n\n switch (token) {\n // 1, 2, ..., 12\n case 'M':\n return parseNumericPattern(numericPatterns.month, string, valueCallback);\n // 01, 02, ..., 12\n\n case 'MM':\n return parseNDigits(2, string, valueCallback);\n // 1st, 2nd, ..., 12th\n\n case 'Mo':\n return match.ordinalNumber(string, {\n unit: 'month',\n valueCallback: valueCallback\n });\n // Jan, Feb, ..., Dec\n\n case 'MMM':\n return match.month(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.month(string, {\n width: 'narrow',\n context: 'formatting'\n });\n // J, F, ..., D\n\n case 'MMMMM':\n return match.month(string, {\n width: 'narrow',\n context: 'formatting'\n });\n // January, February, ..., December\n\n case 'MMMM':\n default:\n return match.month(string, {\n width: 'wide',\n context: 'formatting'\n }) || match.month(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.month(string, {\n width: 'narrow',\n context: 'formatting'\n });\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 0 && value <= 11;\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCMonth(value, 1);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['Y', 'R', 'q', 'Q', 'L', 'w', 'I', 'D', 'i', 'e', 'c', 't', 'T']\n },\n // Stand-alone month\n L: {\n priority: 110,\n parse: function parse(string, token, match, _options) {\n var valueCallback = function valueCallback(value) {\n return value - 1;\n };\n\n switch (token) {\n // 1, 2, ..., 12\n case 'L':\n return parseNumericPattern(numericPatterns.month, string, valueCallback);\n // 01, 02, ..., 12\n\n case 'LL':\n return parseNDigits(2, string, valueCallback);\n // 1st, 2nd, ..., 12th\n\n case 'Lo':\n return match.ordinalNumber(string, {\n unit: 'month',\n valueCallback: valueCallback\n });\n // Jan, Feb, ..., Dec\n\n case 'LLL':\n return match.month(string, {\n width: 'abbreviated',\n context: 'standalone'\n }) || match.month(string, {\n width: 'narrow',\n context: 'standalone'\n });\n // J, F, ..., D\n\n case 'LLLLL':\n return match.month(string, {\n width: 'narrow',\n context: 'standalone'\n });\n // January, February, ..., December\n\n case 'LLLL':\n default:\n return match.month(string, {\n width: 'wide',\n context: 'standalone'\n }) || match.month(string, {\n width: 'abbreviated',\n context: 'standalone'\n }) || match.month(string, {\n width: 'narrow',\n context: 'standalone'\n });\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 0 && value <= 11;\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCMonth(value, 1);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['Y', 'R', 'q', 'Q', 'M', 'w', 'I', 'D', 'i', 'e', 'c', 't', 'T']\n },\n // Local week of year\n w: {\n priority: 100,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'w':\n return parseNumericPattern(numericPatterns.week, string);\n\n case 'wo':\n return match.ordinalNumber(string, {\n unit: 'week'\n });\n\n default:\n return parseNDigits(token.length, string);\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 1 && value <= 53;\n },\n set: function set(date, _flags, value, options) {\n return startOfUTCWeek(setUTCWeek(date, value, options), options);\n },\n incompatibleTokens: ['y', 'R', 'u', 'q', 'Q', 'M', 'L', 'I', 'd', 'D', 'i', 't', 'T']\n },\n // ISO week of year\n I: {\n priority: 100,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'I':\n return parseNumericPattern(numericPatterns.week, string);\n\n case 'Io':\n return match.ordinalNumber(string, {\n unit: 'week'\n });\n\n default:\n return parseNDigits(token.length, string);\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 1 && value <= 53;\n },\n set: function set(date, _flags, value, options) {\n return startOfUTCISOWeek(setUTCISOWeek(date, value, options), options);\n },\n incompatibleTokens: ['y', 'Y', 'u', 'q', 'Q', 'M', 'L', 'w', 'd', 'D', 'e', 'c', 't', 'T']\n },\n // Day of the month\n d: {\n priority: 90,\n subPriority: 1,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'd':\n return parseNumericPattern(numericPatterns.date, string);\n\n case 'do':\n return match.ordinalNumber(string, {\n unit: 'date'\n });\n\n default:\n return parseNDigits(token.length, string);\n }\n },\n validate: function validate(date, value, _options) {\n var year = date.getUTCFullYear();\n var isLeapYear = isLeapYearIndex(year);\n var month = date.getUTCMonth();\n\n if (isLeapYear) {\n return value >= 1 && value <= DAYS_IN_MONTH_LEAP_YEAR[month];\n } else {\n return value >= 1 && value <= DAYS_IN_MONTH[month];\n }\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCDate(value);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['Y', 'R', 'q', 'Q', 'w', 'I', 'D', 'i', 'e', 'c', 't', 'T']\n },\n // Day of year\n D: {\n priority: 90,\n subPriority: 1,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'D':\n case 'DD':\n return parseNumericPattern(numericPatterns.dayOfYear, string);\n\n case 'Do':\n return match.ordinalNumber(string, {\n unit: 'date'\n });\n\n default:\n return parseNDigits(token.length, string);\n }\n },\n validate: function validate(date, value, _options) {\n var year = date.getUTCFullYear();\n var isLeapYear = isLeapYearIndex(year);\n\n if (isLeapYear) {\n return value >= 1 && value <= 366;\n } else {\n return value >= 1 && value <= 365;\n }\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCMonth(0, value);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['Y', 'R', 'q', 'Q', 'M', 'L', 'w', 'I', 'd', 'E', 'i', 'e', 'c', 't', 'T']\n },\n // Day of week\n E: {\n priority: 90,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n // Tue\n case 'E':\n case 'EE':\n case 'EEE':\n return match.day(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.day(string, {\n width: 'short',\n context: 'formatting'\n }) || match.day(string, {\n width: 'narrow',\n context: 'formatting'\n });\n // T\n\n case 'EEEEE':\n return match.day(string, {\n width: 'narrow',\n context: 'formatting'\n });\n // Tu\n\n case 'EEEEEE':\n return match.day(string, {\n width: 'short',\n context: 'formatting'\n }) || match.day(string, {\n width: 'narrow',\n context: 'formatting'\n });\n // Tuesday\n\n case 'EEEE':\n default:\n return match.day(string, {\n width: 'wide',\n context: 'formatting'\n }) || match.day(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.day(string, {\n width: 'short',\n context: 'formatting'\n }) || match.day(string, {\n width: 'narrow',\n context: 'formatting'\n });\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 0 && value <= 6;\n },\n set: function set(date, _flags, value, options) {\n date = setUTCDay(date, value, options);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['D', 'i', 'e', 'c', 't', 'T']\n },\n // Local day of week\n e: {\n priority: 90,\n parse: function parse(string, token, match, options) {\n var valueCallback = function valueCallback(value) {\n var wholeWeekDays = Math.floor((value - 1) / 7) * 7;\n return (value + options.weekStartsOn + 6) % 7 + wholeWeekDays;\n };\n\n switch (token) {\n // 3\n case 'e':\n case 'ee':\n // 03\n return parseNDigits(token.length, string, valueCallback);\n // 3rd\n\n case 'eo':\n return match.ordinalNumber(string, {\n unit: 'day',\n valueCallback: valueCallback\n });\n // Tue\n\n case 'eee':\n return match.day(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.day(string, {\n width: 'short',\n context: 'formatting'\n }) || match.day(string, {\n width: 'narrow',\n context: 'formatting'\n });\n // T\n\n case 'eeeee':\n return match.day(string, {\n width: 'narrow',\n context: 'formatting'\n });\n // Tu\n\n case 'eeeeee':\n return match.day(string, {\n width: 'short',\n context: 'formatting'\n }) || match.day(string, {\n width: 'narrow',\n context: 'formatting'\n });\n // Tuesday\n\n case 'eeee':\n default:\n return match.day(string, {\n width: 'wide',\n context: 'formatting'\n }) || match.day(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.day(string, {\n width: 'short',\n context: 'formatting'\n }) || match.day(string, {\n width: 'narrow',\n context: 'formatting'\n });\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 0 && value <= 6;\n },\n set: function set(date, _flags, value, options) {\n date = setUTCDay(date, value, options);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['y', 'R', 'u', 'q', 'Q', 'M', 'L', 'I', 'd', 'D', 'E', 'i', 'c', 't', 'T']\n },\n // Stand-alone local day of week\n c: {\n priority: 90,\n parse: function parse(string, token, match, options) {\n var valueCallback = function valueCallback(value) {\n var wholeWeekDays = Math.floor((value - 1) / 7) * 7;\n return (value + options.weekStartsOn + 6) % 7 + wholeWeekDays;\n };\n\n switch (token) {\n // 3\n case 'c':\n case 'cc':\n // 03\n return parseNDigits(token.length, string, valueCallback);\n // 3rd\n\n case 'co':\n return match.ordinalNumber(string, {\n unit: 'day',\n valueCallback: valueCallback\n });\n // Tue\n\n case 'ccc':\n return match.day(string, {\n width: 'abbreviated',\n context: 'standalone'\n }) || match.day(string, {\n width: 'short',\n context: 'standalone'\n }) || match.day(string, {\n width: 'narrow',\n context: 'standalone'\n });\n // T\n\n case 'ccccc':\n return match.day(string, {\n width: 'narrow',\n context: 'standalone'\n });\n // Tu\n\n case 'cccccc':\n return match.day(string, {\n width: 'short',\n context: 'standalone'\n }) || match.day(string, {\n width: 'narrow',\n context: 'standalone'\n });\n // Tuesday\n\n case 'cccc':\n default:\n return match.day(string, {\n width: 'wide',\n context: 'standalone'\n }) || match.day(string, {\n width: 'abbreviated',\n context: 'standalone'\n }) || match.day(string, {\n width: 'short',\n context: 'standalone'\n }) || match.day(string, {\n width: 'narrow',\n context: 'standalone'\n });\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 0 && value <= 6;\n },\n set: function set(date, _flags, value, options) {\n date = setUTCDay(date, value, options);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['y', 'R', 'u', 'q', 'Q', 'M', 'L', 'I', 'd', 'D', 'E', 'i', 'e', 't', 'T']\n },\n // ISO day of week\n i: {\n priority: 90,\n parse: function parse(string, token, match, _options) {\n var valueCallback = function valueCallback(value) {\n if (value === 0) {\n return 7;\n }\n\n return value;\n };\n\n switch (token) {\n // 2\n case 'i':\n case 'ii':\n // 02\n return parseNDigits(token.length, string);\n // 2nd\n\n case 'io':\n return match.ordinalNumber(string, {\n unit: 'day'\n });\n // Tue\n\n case 'iii':\n return match.day(string, {\n width: 'abbreviated',\n context: 'formatting',\n valueCallback: valueCallback\n }) || match.day(string, {\n width: 'short',\n context: 'formatting',\n valueCallback: valueCallback\n }) || match.day(string, {\n width: 'narrow',\n context: 'formatting',\n valueCallback: valueCallback\n });\n // T\n\n case 'iiiii':\n return match.day(string, {\n width: 'narrow',\n context: 'formatting',\n valueCallback: valueCallback\n });\n // Tu\n\n case 'iiiiii':\n return match.day(string, {\n width: 'short',\n context: 'formatting',\n valueCallback: valueCallback\n }) || match.day(string, {\n width: 'narrow',\n context: 'formatting',\n valueCallback: valueCallback\n });\n // Tuesday\n\n case 'iiii':\n default:\n return match.day(string, {\n width: 'wide',\n context: 'formatting',\n valueCallback: valueCallback\n }) || match.day(string, {\n width: 'abbreviated',\n context: 'formatting',\n valueCallback: valueCallback\n }) || match.day(string, {\n width: 'short',\n context: 'formatting',\n valueCallback: valueCallback\n }) || match.day(string, {\n width: 'narrow',\n context: 'formatting',\n valueCallback: valueCallback\n });\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 1 && value <= 7;\n },\n set: function set(date, _flags, value, options) {\n date = setUTCISODay(date, value, options);\n date.setUTCHours(0, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['y', 'Y', 'u', 'q', 'Q', 'M', 'L', 'w', 'd', 'D', 'E', 'e', 'c', 't', 'T']\n },\n // AM or PM\n a: {\n priority: 80,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'a':\n case 'aa':\n case 'aaa':\n return match.dayPeriod(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.dayPeriod(string, {\n width: 'narrow',\n context: 'formatting'\n });\n\n case 'aaaaa':\n return match.dayPeriod(string, {\n width: 'narrow',\n context: 'formatting'\n });\n\n case 'aaaa':\n default:\n return match.dayPeriod(string, {\n width: 'wide',\n context: 'formatting'\n }) || match.dayPeriod(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.dayPeriod(string, {\n width: 'narrow',\n context: 'formatting'\n });\n }\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCHours(dayPeriodEnumToHours(value), 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['b', 'B', 'H', 'K', 'k', 't', 'T']\n },\n // AM, PM, midnight\n b: {\n priority: 80,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'b':\n case 'bb':\n case 'bbb':\n return match.dayPeriod(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.dayPeriod(string, {\n width: 'narrow',\n context: 'formatting'\n });\n\n case 'bbbbb':\n return match.dayPeriod(string, {\n width: 'narrow',\n context: 'formatting'\n });\n\n case 'bbbb':\n default:\n return match.dayPeriod(string, {\n width: 'wide',\n context: 'formatting'\n }) || match.dayPeriod(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.dayPeriod(string, {\n width: 'narrow',\n context: 'formatting'\n });\n }\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCHours(dayPeriodEnumToHours(value), 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['a', 'B', 'H', 'K', 'k', 't', 'T']\n },\n // in the morning, in the afternoon, in the evening, at night\n B: {\n priority: 80,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'B':\n case 'BB':\n case 'BBB':\n return match.dayPeriod(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.dayPeriod(string, {\n width: 'narrow',\n context: 'formatting'\n });\n\n case 'BBBBB':\n return match.dayPeriod(string, {\n width: 'narrow',\n context: 'formatting'\n });\n\n case 'BBBB':\n default:\n return match.dayPeriod(string, {\n width: 'wide',\n context: 'formatting'\n }) || match.dayPeriod(string, {\n width: 'abbreviated',\n context: 'formatting'\n }) || match.dayPeriod(string, {\n width: 'narrow',\n context: 'formatting'\n });\n }\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCHours(dayPeriodEnumToHours(value), 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['a', 'b', 't', 'T']\n },\n // Hour [1-12]\n h: {\n priority: 70,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'h':\n return parseNumericPattern(numericPatterns.hour12h, string);\n\n case 'ho':\n return match.ordinalNumber(string, {\n unit: 'hour'\n });\n\n default:\n return parseNDigits(token.length, string);\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 1 && value <= 12;\n },\n set: function set(date, _flags, value, _options) {\n var isPM = date.getUTCHours() >= 12;\n\n if (isPM && value < 12) {\n date.setUTCHours(value + 12, 0, 0, 0);\n } else if (!isPM && value === 12) {\n date.setUTCHours(0, 0, 0, 0);\n } else {\n date.setUTCHours(value, 0, 0, 0);\n }\n\n return date;\n },\n incompatibleTokens: ['H', 'K', 'k', 't', 'T']\n },\n // Hour [0-23]\n H: {\n priority: 70,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'H':\n return parseNumericPattern(numericPatterns.hour23h, string);\n\n case 'Ho':\n return match.ordinalNumber(string, {\n unit: 'hour'\n });\n\n default:\n return parseNDigits(token.length, string);\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 0 && value <= 23;\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCHours(value, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['a', 'b', 'h', 'K', 'k', 't', 'T']\n },\n // Hour [0-11]\n K: {\n priority: 70,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'K':\n return parseNumericPattern(numericPatterns.hour11h, string);\n\n case 'Ko':\n return match.ordinalNumber(string, {\n unit: 'hour'\n });\n\n default:\n return parseNDigits(token.length, string);\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 0 && value <= 11;\n },\n set: function set(date, _flags, value, _options) {\n var isPM = date.getUTCHours() >= 12;\n\n if (isPM && value < 12) {\n date.setUTCHours(value + 12, 0, 0, 0);\n } else {\n date.setUTCHours(value, 0, 0, 0);\n }\n\n return date;\n },\n incompatibleTokens: ['a', 'b', 'h', 'H', 'k', 't', 'T']\n },\n // Hour [1-24]\n k: {\n priority: 70,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'k':\n return parseNumericPattern(numericPatterns.hour24h, string);\n\n case 'ko':\n return match.ordinalNumber(string, {\n unit: 'hour'\n });\n\n default:\n return parseNDigits(token.length, string);\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 1 && value <= 24;\n },\n set: function set(date, _flags, value, _options) {\n var hours = value <= 24 ? value % 24 : value;\n date.setUTCHours(hours, 0, 0, 0);\n return date;\n },\n incompatibleTokens: ['a', 'b', 'h', 'H', 'K', 't', 'T']\n },\n // Minute\n m: {\n priority: 60,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 'm':\n return parseNumericPattern(numericPatterns.minute, string);\n\n case 'mo':\n return match.ordinalNumber(string, {\n unit: 'minute'\n });\n\n default:\n return parseNDigits(token.length, string);\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 0 && value <= 59;\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCMinutes(value, 0, 0);\n return date;\n },\n incompatibleTokens: ['t', 'T']\n },\n // Second\n s: {\n priority: 50,\n parse: function parse(string, token, match, _options) {\n switch (token) {\n case 's':\n return parseNumericPattern(numericPatterns.second, string);\n\n case 'so':\n return match.ordinalNumber(string, {\n unit: 'second'\n });\n\n default:\n return parseNDigits(token.length, string);\n }\n },\n validate: function validate(_date, value, _options) {\n return value >= 0 && value <= 59;\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCSeconds(value, 0);\n return date;\n },\n incompatibleTokens: ['t', 'T']\n },\n // Fraction of second\n S: {\n priority: 30,\n parse: function parse(string, token, _match, _options) {\n var valueCallback = function valueCallback(value) {\n return Math.floor(value * Math.pow(10, -token.length + 3));\n };\n\n return parseNDigits(token.length, string, valueCallback);\n },\n set: function set(date, _flags, value, _options) {\n date.setUTCMilliseconds(value);\n return date;\n },\n incompatibleTokens: ['t', 'T']\n },\n // Timezone (ISO-8601. +00:00 is `'Z'`)\n X: {\n priority: 10,\n parse: function parse(string, token, _match, _options) {\n switch (token) {\n case 'X':\n return parseTimezonePattern(timezonePatterns.basicOptionalMinutes, string);\n\n case 'XX':\n return parseTimezonePattern(timezonePatterns.basic, string);\n\n case 'XXXX':\n return parseTimezonePattern(timezonePatterns.basicOptionalSeconds, string);\n\n case 'XXXXX':\n return parseTimezonePattern(timezonePatterns.extendedOptionalSeconds, string);\n\n case 'XXX':\n default:\n return parseTimezonePattern(timezonePatterns.extended, string);\n }\n },\n set: function set(date, flags, value, _options) {\n if (flags.timestampIsSet) {\n return date;\n }\n\n return new Date(date.getTime() - value);\n },\n incompatibleTokens: ['t', 'T', 'x']\n },\n // Timezone (ISO-8601)\n x: {\n priority: 10,\n parse: function parse(string, token, _match, _options) {\n switch (token) {\n case 'x':\n return parseTimezonePattern(timezonePatterns.basicOptionalMinutes, string);\n\n case 'xx':\n return parseTimezonePattern(timezonePatterns.basic, string);\n\n case 'xxxx':\n return parseTimezonePattern(timezonePatterns.basicOptionalSeconds, string);\n\n case 'xxxxx':\n return parseTimezonePattern(timezonePatterns.extendedOptionalSeconds, string);\n\n case 'xxx':\n default:\n return parseTimezonePattern(timezonePatterns.extended, string);\n }\n },\n set: function set(date, flags, value, _options) {\n if (flags.timestampIsSet) {\n return date;\n }\n\n return new Date(date.getTime() - value);\n },\n incompatibleTokens: ['t', 'T', 'X']\n },\n // Seconds timestamp\n t: {\n priority: 40,\n parse: function parse(string, _token, _match, _options) {\n return parseAnyDigitsSigned(string);\n },\n set: function set(_date, _flags, value, _options) {\n return [new Date(value * 1000), {\n timestampIsSet: true\n }];\n },\n incompatibleTokens: '*'\n },\n // Milliseconds timestamp\n T: {\n priority: 20,\n parse: function parse(string, _token, _match, _options) {\n return parseAnyDigitsSigned(string);\n },\n set: function set(_date, _flags, value, _options) {\n return [new Date(value), {\n timestampIsSet: true\n }];\n },\n incompatibleTokens: '*'\n }\n};\nexport default parsers;","import toInteger from \"../toInteger/index.js\";\nimport toDate from \"../../toDate/index.js\";\nimport getUTCWeek from \"../getUTCWeek/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\"; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function setUTCWeek(dirtyDate, dirtyWeek, options) {\n requiredArgs(2, arguments);\n var date = toDate(dirtyDate);\n var week = toInteger(dirtyWeek);\n var diff = getUTCWeek(date, options) - week;\n date.setUTCDate(date.getUTCDate() - diff * 7);\n return date;\n}","import toInteger from \"../toInteger/index.js\";\nimport toDate from \"../../toDate/index.js\";\nimport getUTCISOWeek from \"../getUTCISOWeek/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\"; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function setUTCISOWeek(dirtyDate, dirtyISOWeek) {\n requiredArgs(2, arguments);\n var date = toDate(dirtyDate);\n var isoWeek = toInteger(dirtyISOWeek);\n var diff = getUTCISOWeek(date) - isoWeek;\n date.setUTCDate(date.getUTCDate() - diff * 7);\n return date;\n}","import toInteger from \"../toInteger/index.js\";\nimport toDate from \"../../toDate/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\"; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function setUTCISODay(dirtyDate, dirtyDay) {\n requiredArgs(2, arguments);\n var day = toInteger(dirtyDay);\n\n if (day % 7 === 0) {\n day = day - 7;\n }\n\n var weekStartsOn = 1;\n var date = toDate(dirtyDate);\n var currentDay = date.getUTCDay();\n var remainder = day % 7;\n var dayIndex = (remainder + 7) % 7;\n var diff = (dayIndex < weekStartsOn ? 7 : 0) + day - currentDay;\n date.setUTCDate(date.getUTCDate() + diff);\n return date;\n}","import defaultLocale from \"../locale/en-US/index.js\";\nimport subMilliseconds from \"../subMilliseconds/index.js\";\nimport toDate from \"../toDate/index.js\";\nimport assign from \"../_lib/assign/index.js\";\nimport longFormatters from \"../_lib/format/longFormatters/index.js\";\nimport getTimezoneOffsetInMilliseconds from \"../_lib/getTimezoneOffsetInMilliseconds/index.js\";\nimport { isProtectedDayOfYearToken, isProtectedWeekYearToken, throwProtectedError } from \"../_lib/protectedTokens/index.js\";\nimport toInteger from \"../_lib/toInteger/index.js\";\nimport parsers from \"./_lib/parsers/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\nvar TIMEZONE_UNIT_PRIORITY = 10; // This RegExp consists of three parts separated by `|`:\n// - [yYQqMLwIdDecihHKkms]o matches any available ordinal number token\n// (one of the certain letters followed by `o`)\n// - (\\w)\\1* matches any sequences of the same letter\n// - '' matches two quote characters in a row\n// - '(''|[^'])+('|$) matches anything surrounded by two quote characters ('),\n// except a single quote symbol, which ends the sequence.\n// Two quote characters do not end the sequence.\n// If there is no matching single quote\n// then the sequence will continue until the end of the string.\n// - . matches any single character unmatched by previous parts of the RegExps\n\nvar formattingTokensRegExp = /[yYQqMLwIdDecihHKkms]o|(\\w)\\1*|''|'(''|[^'])+('|$)|./g; // This RegExp catches symbols escaped by quotes, and also\n// sequences of symbols P, p, and the combinations like `PPPPPPPppppp`\n\nvar longFormattingTokensRegExp = /P+p+|P+|p+|''|'(''|[^'])+('|$)|./g;\nvar escapedStringRegExp = /^'([^]*?)'?$/;\nvar doubleQuoteRegExp = /''/g;\nvar notWhitespaceRegExp = /\\S/;\nvar unescapedLatinCharacterRegExp = /[a-zA-Z]/;\n/**\n * @name parse\n * @category Common Helpers\n * @summary Parse the date.\n *\n * @description\n * Return the date parsed from string using the given format string.\n *\n * > ⚠️ Please note that the `format` tokens differ from Moment.js and other libraries.\n * > See: https://git.io/fxCyr\n *\n * The characters in the format string wrapped between two single quotes characters (') are escaped.\n * Two single quotes in a row, whether inside or outside a quoted sequence, represent a 'real' single quote.\n *\n * Format of the format string is based on Unicode Technical Standard #35:\n * https://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table\n * with a few additions (see note 5 below the table).\n *\n * Not all tokens are compatible. Combinations that don't make sense or could lead to bugs are prohibited\n * and will throw `RangeError`. For example usage of 24-hour format token with AM/PM token will throw an exception:\n *\n * ```javascript\n * parse('23 AM', 'HH a', new Date())\n * //=> RangeError: The format string mustn't contain `HH` and `a` at the same time\n * ```\n *\n * See the compatibility table: https://docs.google.com/spreadsheets/d/e/2PACX-1vQOPU3xUhplll6dyoMmVUXHKl_8CRDs6_ueLmex3SoqwhuolkuN3O05l4rqx5h1dKX8eb46Ul-CCSrq/pubhtml?gid=0&single=true\n *\n * Accepted format string patterns:\n * | Unit |Prior| Pattern | Result examples | Notes |\n * |---------------------------------|-----|---------|-----------------------------------|-------|\n * | Era | 140 | G..GGG | AD, BC | |\n * | | | GGGG | Anno Domini, Before Christ | 2 |\n * | | | GGGGG | A, B | |\n * | Calendar year | 130 | y | 44, 1, 1900, 2017, 9999 | 4 |\n * | | | yo | 44th, 1st, 1900th, 9999999th | 4,5 |\n * | | | yy | 44, 01, 00, 17 | 4 |\n * | | | yyy | 044, 001, 123, 999 | 4 |\n * | | | yyyy | 0044, 0001, 1900, 2017 | 4 |\n * | | | yyyyy | ... | 2,4 |\n * | Local week-numbering year | 130 | Y | 44, 1, 1900, 2017, 9000 | 4 |\n * | | | Yo | 44th, 1st, 1900th, 9999999th | 4,5 |\n * | | | YY | 44, 01, 00, 17 | 4,6 |\n * | | | YYY | 044, 001, 123, 999 | 4 |\n * | | | YYYY | 0044, 0001, 1900, 2017 | 4,6 |\n * | | | YYYYY | ... | 2,4 |\n * | ISO week-numbering year | 130 | R | -43, 1, 1900, 2017, 9999, -9999 | 4,5 |\n * | | | RR | -43, 01, 00, 17 | 4,5 |\n * | | | RRR | -043, 001, 123, 999, -999 | 4,5 |\n * | | | RRRR | -0043, 0001, 2017, 9999, -9999 | 4,5 |\n * | | | RRRRR | ... | 2,4,5 |\n * | Extended year | 130 | u | -43, 1, 1900, 2017, 9999, -999 | 4 |\n * | | | uu | -43, 01, 99, -99 | 4 |\n * | | | uuu | -043, 001, 123, 999, -999 | 4 |\n * | | | uuuu | -0043, 0001, 2017, 9999, -9999 | 4 |\n * | | | uuuuu | ... | 2,4 |\n * | Quarter (formatting) | 120 | Q | 1, 2, 3, 4 | |\n * | | | Qo | 1st, 2nd, 3rd, 4th | 5 |\n * | | | QQ | 01, 02, 03, 04 | |\n * | | | QQQ | Q1, Q2, Q3, Q4 | |\n * | | | QQQQ | 1st quarter, 2nd quarter, ... | 2 |\n * | | | QQQQQ | 1, 2, 3, 4 | 4 |\n * | Quarter (stand-alone) | 120 | q | 1, 2, 3, 4 | |\n * | | | qo | 1st, 2nd, 3rd, 4th | 5 |\n * | | | qq | 01, 02, 03, 04 | |\n * | | | qqq | Q1, Q2, Q3, Q4 | |\n * | | | qqqq | 1st quarter, 2nd quarter, ... | 2 |\n * | | | qqqqq | 1, 2, 3, 4 | 3 |\n * | Month (formatting) | 110 | M | 1, 2, ..., 12 | |\n * | | | Mo | 1st, 2nd, ..., 12th | 5 |\n * | | | MM | 01, 02, ..., 12 | |\n * | | | MMM | Jan, Feb, ..., Dec | |\n * | | | MMMM | January, February, ..., December | 2 |\n * | | | MMMMM | J, F, ..., D | |\n * | Month (stand-alone) | 110 | L | 1, 2, ..., 12 | |\n * | | | Lo | 1st, 2nd, ..., 12th | 5 |\n * | | | LL | 01, 02, ..., 12 | |\n * | | | LLL | Jan, Feb, ..., Dec | |\n * | | | LLLL | January, February, ..., December | 2 |\n * | | | LLLLL | J, F, ..., D | |\n * | Local week of year | 100 | w | 1, 2, ..., 53 | |\n * | | | wo | 1st, 2nd, ..., 53th | 5 |\n * | | | ww | 01, 02, ..., 53 | |\n * | ISO week of year | 100 | I | 1, 2, ..., 53 | 5 |\n * | | | Io | 1st, 2nd, ..., 53th | 5 |\n * | | | II | 01, 02, ..., 53 | 5 |\n * | Day of month | 90 | d | 1, 2, ..., 31 | |\n * | | | do | 1st, 2nd, ..., 31st | 5 |\n * | | | dd | 01, 02, ..., 31 | |\n * | Day of year | 90 | D | 1, 2, ..., 365, 366 | 7 |\n * | | | Do | 1st, 2nd, ..., 365th, 366th | 5 |\n * | | | DD | 01, 02, ..., 365, 366 | 7 |\n * | | | DDD | 001, 002, ..., 365, 366 | |\n * | | | DDDD | ... | 2 |\n * | Day of week (formatting) | 90 | E..EEE | Mon, Tue, Wed, ..., Sun | |\n * | | | EEEE | Monday, Tuesday, ..., Sunday | 2 |\n * | | | EEEEE | M, T, W, T, F, S, S | |\n * | | | EEEEEE | Mo, Tu, We, Th, Fr, Su, Sa | |\n * | ISO day of week (formatting) | 90 | i | 1, 2, 3, ..., 7 | 5 |\n * | | | io | 1st, 2nd, ..., 7th | 5 |\n * | | | ii | 01, 02, ..., 07 | 5 |\n * | | | iii | Mon, Tue, Wed, ..., Sun | 5 |\n * | | | iiii | Monday, Tuesday, ..., Sunday | 2,5 |\n * | | | iiiii | M, T, W, T, F, S, S | 5 |\n * | | | iiiiii | Mo, Tu, We, Th, Fr, Su, Sa | 5 |\n * | Local day of week (formatting) | 90 | e | 2, 3, 4, ..., 1 | |\n * | | | eo | 2nd, 3rd, ..., 1st | 5 |\n * | | | ee | 02, 03, ..., 01 | |\n * | | | eee | Mon, Tue, Wed, ..., Sun | |\n * | | | eeee | Monday, Tuesday, ..., Sunday | 2 |\n * | | | eeeee | M, T, W, T, F, S, S | |\n * | | | eeeeee | Mo, Tu, We, Th, Fr, Su, Sa | |\n * | Local day of week (stand-alone) | 90 | c | 2, 3, 4, ..., 1 | |\n * | | | co | 2nd, 3rd, ..., 1st | 5 |\n * | | | cc | 02, 03, ..., 01 | |\n * | | | ccc | Mon, Tue, Wed, ..., Sun | |\n * | | | cccc | Monday, Tuesday, ..., Sunday | 2 |\n * | | | ccccc | M, T, W, T, F, S, S | |\n * | | | cccccc | Mo, Tu, We, Th, Fr, Su, Sa | |\n * | AM, PM | 80 | a..aaa | AM, PM | |\n * | | | aaaa | a.m., p.m. | 2 |\n * | | | aaaaa | a, p | |\n * | AM, PM, noon, midnight | 80 | b..bbb | AM, PM, noon, midnight | |\n * | | | bbbb | a.m., p.m., noon, midnight | 2 |\n * | | | bbbbb | a, p, n, mi | |\n * | Flexible day period | 80 | B..BBB | at night, in the morning, ... | |\n * | | | BBBB | at night, in the morning, ... | 2 |\n * | | | BBBBB | at night, in the morning, ... | |\n * | Hour [1-12] | 70 | h | 1, 2, ..., 11, 12 | |\n * | | | ho | 1st, 2nd, ..., 11th, 12th | 5 |\n * | | | hh | 01, 02, ..., 11, 12 | |\n * | Hour [0-23] | 70 | H | 0, 1, 2, ..., 23 | |\n * | | | Ho | 0th, 1st, 2nd, ..., 23rd | 5 |\n * | | | HH | 00, 01, 02, ..., 23 | |\n * | Hour [0-11] | 70 | K | 1, 2, ..., 11, 0 | |\n * | | | Ko | 1st, 2nd, ..., 11th, 0th | 5 |\n * | | | KK | 01, 02, ..., 11, 00 | |\n * | Hour [1-24] | 70 | k | 24, 1, 2, ..., 23 | |\n * | | | ko | 24th, 1st, 2nd, ..., 23rd | 5 |\n * | | | kk | 24, 01, 02, ..., 23 | |\n * | Minute | 60 | m | 0, 1, ..., 59 | |\n * | | | mo | 0th, 1st, ..., 59th | 5 |\n * | | | mm | 00, 01, ..., 59 | |\n * | Second | 50 | s | 0, 1, ..., 59 | |\n * | | | so | 0th, 1st, ..., 59th | 5 |\n * | | | ss | 00, 01, ..., 59 | |\n * | Seconds timestamp | 40 | t | 512969520 | |\n * | | | tt | ... | 2 |\n * | Fraction of second | 30 | S | 0, 1, ..., 9 | |\n * | | | SS | 00, 01, ..., 99 | |\n * | | | SSS | 000, 0001, ..., 999 | |\n * | | | SSSS | ... | 2 |\n * | Milliseconds timestamp | 20 | T | 512969520900 | |\n * | | | TT | ... | 2 |\n * | Timezone (ISO-8601 w/ Z) | 10 | X | -08, +0530, Z | |\n * | | | XX | -0800, +0530, Z | |\n * | | | XXX | -08:00, +05:30, Z | |\n * | | | XXXX | -0800, +0530, Z, +123456 | 2 |\n * | | | XXXXX | -08:00, +05:30, Z, +12:34:56 | |\n * | Timezone (ISO-8601 w/o Z) | 10 | x | -08, +0530, +00 | |\n * | | | xx | -0800, +0530, +0000 | |\n * | | | xxx | -08:00, +05:30, +00:00 | 2 |\n * | | | xxxx | -0800, +0530, +0000, +123456 | |\n * | | | xxxxx | -08:00, +05:30, +00:00, +12:34:56 | |\n * | Long localized date | NA | P | 05/29/1453 | 5,8 |\n * | | | PP | May 29, 1453 | |\n * | | | PPP | May 29th, 1453 | |\n * | | | PPPP | Sunday, May 29th, 1453 | 2,5,8 |\n * | Long localized time | NA | p | 12:00 AM | 5,8 |\n * | | | pp | 12:00:00 AM | |\n * | Combination of date and time | NA | Pp | 05/29/1453, 12:00 AM | |\n * | | | PPpp | May 29, 1453, 12:00:00 AM | |\n * | | | PPPpp | May 29th, 1453 at ... | |\n * | | | PPPPpp | Sunday, May 29th, 1453 at ... | 2,5,8 |\n * Notes:\n * 1. \"Formatting\" units (e.g. formatting quarter) in the default en-US locale\n * are the same as \"stand-alone\" units, but are different in some languages.\n * \"Formatting\" units are declined according to the rules of the language\n * in the context of a date. \"Stand-alone\" units are always nominative singular.\n * In `format` function, they will produce different result:\n *\n * `format(new Date(2017, 10, 6), 'do LLLL', {locale: cs}) //=> '6. listopad'`\n *\n * `format(new Date(2017, 10, 6), 'do MMMM', {locale: cs}) //=> '6. listopadu'`\n *\n * `parse` will try to match both formatting and stand-alone units interchangably.\n *\n * 2. Any sequence of the identical letters is a pattern, unless it is escaped by\n * the single quote characters (see below).\n * If the sequence is longer than listed in table:\n * - for numerical units (`yyyyyyyy`) `parse` will try to match a number\n * as wide as the sequence\n * - for text units (`MMMMMMMM`) `parse` will try to match the widest variation of the unit.\n * These variations are marked with \"2\" in the last column of the table.\n *\n * 3. `QQQQQ` and `qqqqq` could be not strictly numerical in some locales.\n * These tokens represent the shortest form of the quarter.\n *\n * 4. The main difference between `y` and `u` patterns are B.C. years:\n *\n * | Year | `y` | `u` |\n * |------|-----|-----|\n * | AC 1 | 1 | 1 |\n * | BC 1 | 1 | 0 |\n * | BC 2 | 2 | -1 |\n *\n * Also `yy` will try to guess the century of two digit year by proximity with `referenceDate`:\n *\n * `parse('50', 'yy', new Date(2018, 0, 1)) //=> Sat Jan 01 2050 00:00:00`\n *\n * `parse('75', 'yy', new Date(2018, 0, 1)) //=> Wed Jan 01 1975 00:00:00`\n *\n * while `uu` will just assign the year as is:\n *\n * `parse('50', 'uu', new Date(2018, 0, 1)) //=> Sat Jan 01 0050 00:00:00`\n *\n * `parse('75', 'uu', new Date(2018, 0, 1)) //=> Tue Jan 01 0075 00:00:00`\n *\n * The same difference is true for local and ISO week-numbering years (`Y` and `R`),\n * except local week-numbering years are dependent on `options.weekStartsOn`\n * and `options.firstWeekContainsDate` (compare [setISOWeekYear]{@link https://date-fns.org/docs/setISOWeekYear}\n * and [setWeekYear]{@link https://date-fns.org/docs/setWeekYear}).\n *\n * 5. These patterns are not in the Unicode Technical Standard #35:\n * - `i`: ISO day of week\n * - `I`: ISO week of year\n * - `R`: ISO week-numbering year\n * - `o`: ordinal number modifier\n * - `P`: long localized date\n * - `p`: long localized time\n *\n * 6. `YY` and `YYYY` tokens represent week-numbering years but they are often confused with years.\n * You should enable `options.useAdditionalWeekYearTokens` to use them. See: https://git.io/fxCyr\n *\n * 7. `D` and `DD` tokens represent days of the year but they are ofthen confused with days of the month.\n * You should enable `options.useAdditionalDayOfYearTokens` to use them. See: https://git.io/fxCyr\n *\n * 8. `P+` tokens do not have a defined priority since they are merely aliases to other tokens based\n * on the given locale.\n *\n * using `en-US` locale: `P` => `MM/dd/yyyy`\n * using `en-US` locale: `p` => `hh:mm a`\n * using `pt-BR` locale: `P` => `dd/MM/yyyy`\n * using `pt-BR` locale: `p` => `HH:mm`\n *\n * Values will be assigned to the date in the descending order of its unit's priority.\n * Units of an equal priority overwrite each other in the order of appearance.\n *\n * If no values of higher priority are parsed (e.g. when parsing string 'January 1st' without a year),\n * the values will be taken from 3rd argument `referenceDate` which works as a context of parsing.\n *\n * `referenceDate` must be passed for correct work of the function.\n * If you're not sure which `referenceDate` to supply, create a new instance of Date:\n * `parse('02/11/2014', 'MM/dd/yyyy', new Date())`\n * In this case parsing will be done in the context of the current date.\n * If `referenceDate` is `Invalid Date` or a value not convertible to valid `Date`,\n * then `Invalid Date` will be returned.\n *\n * The result may vary by locale.\n *\n * If `formatString` matches with `dateString` but does not provides tokens, `referenceDate` will be returned.\n *\n * If parsing failed, `Invalid Date` will be returned.\n * Invalid Date is a Date, whose time value is NaN.\n * Time value of Date: http://es5.github.io/#x15.9.1.1\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * - Old `parse` was renamed to `toDate`.\n * Now `parse` is a new function which parses a string using a provided format.\n *\n * ```javascript\n * // Before v2.0.0\n * parse('2016-01-01')\n *\n * // v2.0.0 onward (toDate no longer accepts a string)\n * toDate(1392098430000) // Unix to timestamp\n * toDate(new Date(2014, 1, 11, 11, 30, 30)) // Cloning the date\n * parse('2016-01-01', 'yyyy-MM-dd', new Date())\n * ```\n *\n * @param {String} dateString - the string to parse\n * @param {String} formatString - the string of tokens\n * @param {Date|Number} referenceDate - defines values missing from the parsed dateString\n * @param {Object} [options] - an object with options.\n * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}\n * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)\n * @param {1|2|3|4|5|6|7} [options.firstWeekContainsDate=1] - the day of January, which is always in the first week of the year\n * @param {Boolean} [options.useAdditionalWeekYearTokens=false] - if true, allows usage of the week-numbering year tokens `YY` and `YYYY`;\n * see: https://git.io/fxCyr\n * @param {Boolean} [options.useAdditionalDayOfYearTokens=false] - if true, allows usage of the day of year tokens `D` and `DD`;\n * see: https://git.io/fxCyr\n * @returns {Date} the parsed date\n * @throws {TypeError} 3 arguments required\n * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6\n * @throws {RangeError} `options.firstWeekContainsDate` must be between 1 and 7\n * @throws {RangeError} `options.locale` must contain `match` property\n * @throws {RangeError} use `yyyy` instead of `YYYY` for formatting years using [format provided] to the input [input provided]; see: https://git.io/fxCyr\n * @throws {RangeError} use `yy` instead of `YY` for formatting years using [format provided] to the input [input provided]; see: https://git.io/fxCyr\n * @throws {RangeError} use `d` instead of `D` for formatting days of the month using [format provided] to the input [input provided]; see: https://git.io/fxCyr\n * @throws {RangeError} use `dd` instead of `DD` for formatting days of the month using [format provided] to the input [input provided]; see: https://git.io/fxCyr\n * @throws {RangeError} format string contains an unescaped latin alphabet character\n *\n * @example\n * // Parse 11 February 2014 from middle-endian format:\n * var result = parse('02/11/2014', 'MM/dd/yyyy', new Date())\n * //=> Tue Feb 11 2014 00:00:00\n *\n * @example\n * // Parse 28th of February in Esperanto locale in the context of 2010 year:\n * import eo from 'date-fns/locale/eo'\n * var result = parse('28-a de februaro', \"do 'de' MMMM\", new Date(2010, 0, 1), {\n * locale: eo\n * })\n * //=> Sun Feb 28 2010 00:00:00\n */\n\nexport default function parse(dirtyDateString, dirtyFormatString, dirtyReferenceDate, dirtyOptions) {\n requiredArgs(3, arguments);\n var dateString = String(dirtyDateString);\n var formatString = String(dirtyFormatString);\n var options = dirtyOptions || {};\n var locale = options.locale || defaultLocale;\n\n if (!locale.match) {\n throw new RangeError('locale must contain match property');\n }\n\n var localeFirstWeekContainsDate = locale.options && locale.options.firstWeekContainsDate;\n var defaultFirstWeekContainsDate = localeFirstWeekContainsDate == null ? 1 : toInteger(localeFirstWeekContainsDate);\n var firstWeekContainsDate = options.firstWeekContainsDate == null ? defaultFirstWeekContainsDate : toInteger(options.firstWeekContainsDate); // Test if weekStartsOn is between 1 and 7 _and_ is not NaN\n\n if (!(firstWeekContainsDate >= 1 && firstWeekContainsDate <= 7)) {\n throw new RangeError('firstWeekContainsDate must be between 1 and 7 inclusively');\n }\n\n var localeWeekStartsOn = locale.options && locale.options.weekStartsOn;\n var defaultWeekStartsOn = localeWeekStartsOn == null ? 0 : toInteger(localeWeekStartsOn);\n var weekStartsOn = options.weekStartsOn == null ? defaultWeekStartsOn : toInteger(options.weekStartsOn); // Test if weekStartsOn is between 0 and 6 _and_ is not NaN\n\n if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {\n throw new RangeError('weekStartsOn must be between 0 and 6 inclusively');\n }\n\n if (formatString === '') {\n if (dateString === '') {\n return toDate(dirtyReferenceDate);\n } else {\n return new Date(NaN);\n }\n }\n\n var subFnOptions = {\n firstWeekContainsDate: firstWeekContainsDate,\n weekStartsOn: weekStartsOn,\n locale: locale\n }; // If timezone isn't specified, it will be set to the system timezone\n\n var setters = [{\n priority: TIMEZONE_UNIT_PRIORITY,\n subPriority: -1,\n set: dateToSystemTimezone,\n index: 0\n }];\n var i;\n var tokens = formatString.match(longFormattingTokensRegExp).map(function (substring) {\n var firstCharacter = substring[0];\n\n if (firstCharacter === 'p' || firstCharacter === 'P') {\n var longFormatter = longFormatters[firstCharacter];\n return longFormatter(substring, locale.formatLong, subFnOptions);\n }\n\n return substring;\n }).join('').match(formattingTokensRegExp);\n var usedTokens = [];\n\n for (i = 0; i < tokens.length; i++) {\n var token = tokens[i];\n\n if (!options.useAdditionalWeekYearTokens && isProtectedWeekYearToken(token)) {\n throwProtectedError(token, formatString, dirtyDateString);\n }\n\n if (!options.useAdditionalDayOfYearTokens && isProtectedDayOfYearToken(token)) {\n throwProtectedError(token, formatString, dirtyDateString);\n }\n\n var firstCharacter = token[0];\n var parser = parsers[firstCharacter];\n\n if (parser) {\n var incompatibleTokens = parser.incompatibleTokens;\n\n if (Array.isArray(incompatibleTokens)) {\n var incompatibleToken = void 0;\n\n for (var _i = 0; _i < usedTokens.length; _i++) {\n var usedToken = usedTokens[_i].token;\n\n if (incompatibleTokens.indexOf(usedToken) !== -1 || usedToken === firstCharacter) {\n incompatibleToken = usedTokens[_i];\n break;\n }\n }\n\n if (incompatibleToken) {\n throw new RangeError(\"The format string mustn't contain `\".concat(incompatibleToken.fullToken, \"` and `\").concat(token, \"` at the same time\"));\n }\n } else if (parser.incompatibleTokens === '*' && usedTokens.length) {\n throw new RangeError(\"The format string mustn't contain `\".concat(token, \"` and any other token at the same time\"));\n }\n\n usedTokens.push({\n token: firstCharacter,\n fullToken: token\n });\n var parseResult = parser.parse(dateString, token, locale.match, subFnOptions);\n\n if (!parseResult) {\n return new Date(NaN);\n }\n\n setters.push({\n priority: parser.priority,\n subPriority: parser.subPriority || 0,\n set: parser.set,\n validate: parser.validate,\n value: parseResult.value,\n index: setters.length\n });\n dateString = parseResult.rest;\n } else {\n if (firstCharacter.match(unescapedLatinCharacterRegExp)) {\n throw new RangeError('Format string contains an unescaped latin alphabet character `' + firstCharacter + '`');\n } // Replace two single quote characters with one single quote character\n\n\n if (token === \"''\") {\n token = \"'\";\n } else if (firstCharacter === \"'\") {\n token = cleanEscapedString(token);\n } // Cut token from string, or, if string doesn't match the token, return Invalid Date\n\n\n if (dateString.indexOf(token) === 0) {\n dateString = dateString.slice(token.length);\n } else {\n return new Date(NaN);\n }\n }\n } // Check if the remaining input contains something other than whitespace\n\n\n if (dateString.length > 0 && notWhitespaceRegExp.test(dateString)) {\n return new Date(NaN);\n }\n\n var uniquePrioritySetters = setters.map(function (setter) {\n return setter.priority;\n }).sort(function (a, b) {\n return b - a;\n }).filter(function (priority, index, array) {\n return array.indexOf(priority) === index;\n }).map(function (priority) {\n return setters.filter(function (setter) {\n return setter.priority === priority;\n }).sort(function (a, b) {\n return b.subPriority - a.subPriority;\n });\n }).map(function (setterArray) {\n return setterArray[0];\n });\n var date = toDate(dirtyReferenceDate);\n\n if (isNaN(date)) {\n return new Date(NaN);\n } // Convert the date in system timezone to the same date in UTC+00:00 timezone.\n // This ensures that when UTC functions will be implemented, locales will be compatible with them.\n // See an issue about UTC functions: https://github.com/date-fns/date-fns/issues/37\n\n\n var utcDate = subMilliseconds(date, getTimezoneOffsetInMilliseconds(date));\n var flags = {};\n\n for (i = 0; i < uniquePrioritySetters.length; i++) {\n var setter = uniquePrioritySetters[i];\n\n if (setter.validate && !setter.validate(utcDate, setter.value, subFnOptions)) {\n return new Date(NaN);\n }\n\n var result = setter.set(utcDate, flags, setter.value, subFnOptions); // Result is tuple (date, flags)\n\n if (result[0]) {\n utcDate = result[0];\n assign(flags, result[1]); // Result is date\n } else {\n utcDate = result;\n }\n }\n\n return utcDate;\n}\n\nfunction dateToSystemTimezone(date, flags) {\n if (flags.timestampIsSet) {\n return date;\n }\n\n var convertedDate = new Date(0);\n convertedDate.setFullYear(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate());\n convertedDate.setHours(date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds(), date.getUTCMilliseconds());\n return convertedDate;\n}\n\nfunction cleanEscapedString(input) {\n return input.match(escapedStringRegExp)[1].replace(doubleQuoteRegExp, \"'\");\n}","import toInteger from \"../_lib/toInteger/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\nvar MILLISECONDS_IN_HOUR = 3600000;\nvar MILLISECONDS_IN_MINUTE = 60000;\nvar DEFAULT_ADDITIONAL_DIGITS = 2;\nvar patterns = {\n dateTimeDelimiter: /[T ]/,\n timeZoneDelimiter: /[Z ]/i,\n timezone: /([Z+-].*)$/\n};\nvar dateRegex = /^-?(?:(\\d{3})|(\\d{2})(?:-?(\\d{2}))?|W(\\d{2})(?:-?(\\d{1}))?|)$/;\nvar timeRegex = /^(\\d{2}(?:[.,]\\d*)?)(?::?(\\d{2}(?:[.,]\\d*)?))?(?::?(\\d{2}(?:[.,]\\d*)?))?$/;\nvar timezoneRegex = /^([+-])(\\d{2})(?::?(\\d{2}))?$/;\n/**\n * @name parseISO\n * @category Common Helpers\n * @summary Parse ISO string\n *\n * @description\n * Parse the given string in ISO 8601 format and return an instance of Date.\n *\n * Function accepts complete ISO 8601 formats as well as partial implementations.\n * ISO 8601: http://en.wikipedia.org/wiki/ISO_8601\n *\n * If the argument isn't a string, the function cannot parse the string or\n * the values are invalid, it returns Invalid Date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * - The previous `parse` implementation was renamed to `parseISO`.\n *\n * ```javascript\n * // Before v2.0.0\n * parse('2016-01-01')\n *\n * // v2.0.0 onward\n * parseISO('2016-01-01')\n * ```\n *\n * - `parseISO` now validates separate date and time values in ISO-8601 strings\n * and returns `Invalid Date` if the date is invalid.\n *\n * ```javascript\n * parseISO('2018-13-32')\n * //=> Invalid Date\n * ```\n *\n * - `parseISO` now doesn't fall back to `new Date` constructor\n * if it fails to parse a string argument. Instead, it returns `Invalid Date`.\n *\n * @param {String} argument - the value to convert\n * @param {Object} [options] - an object with options.\n * @param {0|1|2} [options.additionalDigits=2] - the additional number of digits in the extended year format\n * @returns {Date} the parsed date in the local time zone\n * @throws {TypeError} 1 argument required\n * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2\n *\n * @example\n * // Convert string '2014-02-11T11:30:30' to date:\n * var result = parseISO('2014-02-11T11:30:30')\n * //=> Tue Feb 11 2014 11:30:30\n *\n * @example\n * // Convert string '+02014101' to date,\n * // if the additional number of digits in the extended year format is 1:\n * var result = parseISO('+02014101', { additionalDigits: 1 })\n * //=> Fri Apr 11 2014 00:00:00\n */\n\nexport default function parseISO(argument, dirtyOptions) {\n requiredArgs(1, arguments);\n var options = dirtyOptions || {};\n var additionalDigits = options.additionalDigits == null ? DEFAULT_ADDITIONAL_DIGITS : toInteger(options.additionalDigits);\n\n if (additionalDigits !== 2 && additionalDigits !== 1 && additionalDigits !== 0) {\n throw new RangeError('additionalDigits must be 0, 1 or 2');\n }\n\n if (!(typeof argument === 'string' || Object.prototype.toString.call(argument) === '[object String]')) {\n return new Date(NaN);\n }\n\n var dateStrings = splitDateString(argument);\n var date;\n\n if (dateStrings.date) {\n var parseYearResult = parseYear(dateStrings.date, additionalDigits);\n date = parseDate(parseYearResult.restDateString, parseYearResult.year);\n }\n\n if (isNaN(date) || !date) {\n return new Date(NaN);\n }\n\n var timestamp = date.getTime();\n var time = 0;\n var offset;\n\n if (dateStrings.time) {\n time = parseTime(dateStrings.time);\n\n if (isNaN(time) || time === null) {\n return new Date(NaN);\n }\n }\n\n if (dateStrings.timezone) {\n offset = parseTimezone(dateStrings.timezone);\n\n if (isNaN(offset)) {\n return new Date(NaN);\n }\n } else {\n var dirtyDate = new Date(timestamp + time); // js parsed string assuming it's in UTC timezone\n // but we need it to be parsed in our timezone\n // so we use utc values to build date in our timezone.\n // Year values from 0 to 99 map to the years 1900 to 1999\n // so set year explicitly with setFullYear.\n\n var result = new Date(0);\n result.setFullYear(dirtyDate.getUTCFullYear(), dirtyDate.getUTCMonth(), dirtyDate.getUTCDate());\n result.setHours(dirtyDate.getUTCHours(), dirtyDate.getUTCMinutes(), dirtyDate.getUTCSeconds(), dirtyDate.getUTCMilliseconds());\n return result;\n }\n\n return new Date(timestamp + time + offset);\n}\n\nfunction splitDateString(dateString) {\n var dateStrings = {};\n var array = dateString.split(patterns.dateTimeDelimiter);\n var timeString; // The regex match should only return at maximum two array elements.\n // [date], [time], or [date, time].\n\n if (array.length > 2) {\n return dateStrings;\n }\n\n if (/:/.test(array[0])) {\n dateStrings.date = null;\n timeString = array[0];\n } else {\n dateStrings.date = array[0];\n timeString = array[1];\n\n if (patterns.timeZoneDelimiter.test(dateStrings.date)) {\n dateStrings.date = dateString.split(patterns.timeZoneDelimiter)[0];\n timeString = dateString.substr(dateStrings.date.length, dateString.length);\n }\n }\n\n if (timeString) {\n var token = patterns.timezone.exec(timeString);\n\n if (token) {\n dateStrings.time = timeString.replace(token[1], '');\n dateStrings.timezone = token[1];\n } else {\n dateStrings.time = timeString;\n }\n }\n\n return dateStrings;\n}\n\nfunction parseYear(dateString, additionalDigits) {\n var regex = new RegExp('^(?:(\\\\d{4}|[+-]\\\\d{' + (4 + additionalDigits) + '})|(\\\\d{2}|[+-]\\\\d{' + (2 + additionalDigits) + '})$)');\n var captures = dateString.match(regex); // Invalid ISO-formatted year\n\n if (!captures) return {\n year: null\n };\n var year = captures[1] && parseInt(captures[1]);\n var century = captures[2] && parseInt(captures[2]);\n return {\n year: century == null ? year : century * 100,\n restDateString: dateString.slice((captures[1] || captures[2]).length)\n };\n}\n\nfunction parseDate(dateString, year) {\n // Invalid ISO-formatted year\n if (year === null) return null;\n var captures = dateString.match(dateRegex); // Invalid ISO-formatted string\n\n if (!captures) return null;\n var isWeekDate = !!captures[4];\n var dayOfYear = parseDateUnit(captures[1]);\n var month = parseDateUnit(captures[2]) - 1;\n var day = parseDateUnit(captures[3]);\n var week = parseDateUnit(captures[4]);\n var dayOfWeek = parseDateUnit(captures[5]) - 1;\n\n if (isWeekDate) {\n if (!validateWeekDate(year, week, dayOfWeek)) {\n return new Date(NaN);\n }\n\n return dayOfISOWeekYear(year, week, dayOfWeek);\n } else {\n var date = new Date(0);\n\n if (!validateDate(year, month, day) || !validateDayOfYearDate(year, dayOfYear)) {\n return new Date(NaN);\n }\n\n date.setUTCFullYear(year, month, Math.max(dayOfYear, day));\n return date;\n }\n}\n\nfunction parseDateUnit(value) {\n return value ? parseInt(value) : 1;\n}\n\nfunction parseTime(timeString) {\n var captures = timeString.match(timeRegex);\n if (!captures) return null; // Invalid ISO-formatted time\n\n var hours = parseTimeUnit(captures[1]);\n var minutes = parseTimeUnit(captures[2]);\n var seconds = parseTimeUnit(captures[3]);\n\n if (!validateTime(hours, minutes, seconds)) {\n return NaN;\n }\n\n return hours * MILLISECONDS_IN_HOUR + minutes * MILLISECONDS_IN_MINUTE + seconds * 1000;\n}\n\nfunction parseTimeUnit(value) {\n return value && parseFloat(value.replace(',', '.')) || 0;\n}\n\nfunction parseTimezone(timezoneString) {\n if (timezoneString === 'Z') return 0;\n var captures = timezoneString.match(timezoneRegex);\n if (!captures) return 0;\n var sign = captures[1] === '+' ? -1 : 1;\n var hours = parseInt(captures[2]);\n var minutes = captures[3] && parseInt(captures[3]) || 0;\n\n if (!validateTimezone(hours, minutes)) {\n return NaN;\n }\n\n return sign * (hours * MILLISECONDS_IN_HOUR + minutes * MILLISECONDS_IN_MINUTE);\n}\n\nfunction dayOfISOWeekYear(isoWeekYear, week, day) {\n var date = new Date(0);\n date.setUTCFullYear(isoWeekYear, 0, 4);\n var fourthOfJanuaryDay = date.getUTCDay() || 7;\n var diff = (week - 1) * 7 + day + 1 - fourthOfJanuaryDay;\n date.setUTCDate(date.getUTCDate() + diff);\n return date;\n} // Validation functions\n// February is null to handle the leap year (using ||)\n\n\nvar daysInMonths = [31, null, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];\n\nfunction isLeapYearIndex(year) {\n return year % 400 === 0 || year % 4 === 0 && year % 100;\n}\n\nfunction validateDate(year, month, date) {\n return month >= 0 && month <= 11 && date >= 1 && date <= (daysInMonths[month] || (isLeapYearIndex(year) ? 29 : 28));\n}\n\nfunction validateDayOfYearDate(year, dayOfYear) {\n return dayOfYear >= 1 && dayOfYear <= (isLeapYearIndex(year) ? 366 : 365);\n}\n\nfunction validateWeekDate(_year, week, day) {\n return week >= 1 && week <= 53 && day >= 0 && day <= 6;\n}\n\nfunction validateTime(hours, minutes, seconds) {\n if (hours === 24) {\n return minutes === 0 && seconds === 0;\n }\n\n return seconds >= 0 && seconds < 60 && minutes >= 0 && minutes < 60 && hours >= 0 && hours < 25;\n}\n\nfunction validateTimezone(_hours, minutes) {\n return minutes >= 0 && minutes <= 59;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name isValid\n * @category Common Helpers\n * @summary Is the given date valid?\n *\n * @description\n * Returns false if argument is Invalid Date and true otherwise.\n * Argument is converted to Date using `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}\n * Invalid Date is a Date, whose time value is NaN.\n *\n * Time value of Date: http://es5.github.io/#x15.9.1.1\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * - Now `isValid` doesn't throw an exception\n * if the first argument is not an instance of Date.\n * Instead, argument is converted beforehand using `toDate`.\n *\n * Examples:\n *\n * | `isValid` argument | Before v2.0.0 | v2.0.0 onward |\n * |---------------------------|---------------|---------------|\n * | `new Date()` | `true` | `true` |\n * | `new Date('2016-01-01')` | `true` | `true` |\n * | `new Date('')` | `false` | `false` |\n * | `new Date(1488370835081)` | `true` | `true` |\n * | `new Date(NaN)` | `false` | `false` |\n * | `'2016-01-01'` | `TypeError` | `false` |\n * | `''` | `TypeError` | `false` |\n * | `1488370835081` | `TypeError` | `true` |\n * | `NaN` | `TypeError` | `false` |\n *\n * We introduce this change to make *date-fns* consistent with ECMAScript behavior\n * that try to coerce arguments to the expected type\n * (which is also the case with other *date-fns* functions).\n *\n * @param {*} date - the date to check\n * @returns {Boolean} the date is valid\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // For the valid date:\n * var result = isValid(new Date(2014, 1, 31))\n * //=> true\n *\n * @example\n * // For the value, convertable into a date:\n * var result = isValid(1393804800000)\n * //=> true\n *\n * @example\n * // For the invalid date:\n * var result = isValid(new Date(''))\n * //=> false\n */\n\nexport default function isValid(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n return !isNaN(date);\n}","export default function addLeadingZeros(number, targetLength) {\n var sign = number < 0 ? '-' : '';\n var output = Math.abs(number).toString();\n\n while (output.length < targetLength) {\n output = '0' + output;\n }\n\n return sign + output;\n}","import addLeadingZeros from \"../../addLeadingZeros/index.js\";\n/*\n * | | Unit | | Unit |\n * |-----|--------------------------------|-----|--------------------------------|\n * | a | AM, PM | A* | |\n * | d | Day of month | D | |\n * | h | Hour [1-12] | H | Hour [0-23] |\n * | m | Minute | M | Month |\n * | s | Second | S | Fraction of second |\n * | y | Year (abs) | Y | |\n *\n * Letters marked by * are not implemented but reserved by Unicode standard.\n */\n\nvar formatters = {\n // Year\n y: function y(date, token) {\n // From http://www.unicode.org/reports/tr35/tr35-31/tr35-dates.html#Date_Format_tokens\n // | Year | y | yy | yyy | yyyy | yyyyy |\n // |----------|-------|----|-------|-------|-------|\n // | AD 1 | 1 | 01 | 001 | 0001 | 00001 |\n // | AD 12 | 12 | 12 | 012 | 0012 | 00012 |\n // | AD 123 | 123 | 23 | 123 | 0123 | 00123 |\n // | AD 1234 | 1234 | 34 | 1234 | 1234 | 01234 |\n // | AD 12345 | 12345 | 45 | 12345 | 12345 | 12345 |\n var signedYear = date.getUTCFullYear(); // Returns 1 for 1 BC (which is year 0 in JavaScript)\n\n var year = signedYear > 0 ? signedYear : 1 - signedYear;\n return addLeadingZeros(token === 'yy' ? year % 100 : year, token.length);\n },\n // Month\n M: function M(date, token) {\n var month = date.getUTCMonth();\n return token === 'M' ? String(month + 1) : addLeadingZeros(month + 1, 2);\n },\n // Day of the month\n d: function d(date, token) {\n return addLeadingZeros(date.getUTCDate(), token.length);\n },\n // AM or PM\n a: function a(date, token) {\n var dayPeriodEnumValue = date.getUTCHours() / 12 >= 1 ? 'pm' : 'am';\n\n switch (token) {\n case 'a':\n case 'aa':\n return dayPeriodEnumValue.toUpperCase();\n\n case 'aaa':\n return dayPeriodEnumValue;\n\n case 'aaaaa':\n return dayPeriodEnumValue[0];\n\n case 'aaaa':\n default:\n return dayPeriodEnumValue === 'am' ? 'a.m.' : 'p.m.';\n }\n },\n // Hour [1-12]\n h: function h(date, token) {\n return addLeadingZeros(date.getUTCHours() % 12 || 12, token.length);\n },\n // Hour [0-23]\n H: function H(date, token) {\n return addLeadingZeros(date.getUTCHours(), token.length);\n },\n // Minute\n m: function m(date, token) {\n return addLeadingZeros(date.getUTCMinutes(), token.length);\n },\n // Second\n s: function s(date, token) {\n return addLeadingZeros(date.getUTCSeconds(), token.length);\n },\n // Fraction of second\n S: function S(date, token) {\n var numberOfDigits = token.length;\n var milliseconds = date.getUTCMilliseconds();\n var fractionalSeconds = Math.floor(milliseconds * Math.pow(10, numberOfDigits - 3));\n return addLeadingZeros(fractionalSeconds, token.length);\n }\n};\nexport default formatters;","import lightFormatters from \"../lightFormatters/index.js\";\nimport getUTCDayOfYear from \"../../../_lib/getUTCDayOfYear/index.js\";\nimport getUTCISOWeek from \"../../../_lib/getUTCISOWeek/index.js\";\nimport getUTCISOWeekYear from \"../../../_lib/getUTCISOWeekYear/index.js\";\nimport getUTCWeek from \"../../../_lib/getUTCWeek/index.js\";\nimport getUTCWeekYear from \"../../../_lib/getUTCWeekYear/index.js\";\nimport addLeadingZeros from \"../../addLeadingZeros/index.js\";\nvar dayPeriodEnum = {\n am: 'am',\n pm: 'pm',\n midnight: 'midnight',\n noon: 'noon',\n morning: 'morning',\n afternoon: 'afternoon',\n evening: 'evening',\n night: 'night'\n};\n/*\n * | | Unit | | Unit |\n * |-----|--------------------------------|-----|--------------------------------|\n * | a | AM, PM | A* | Milliseconds in day |\n * | b | AM, PM, noon, midnight | B | Flexible day period |\n * | c | Stand-alone local day of week | C* | Localized hour w/ day period |\n * | d | Day of month | D | Day of year |\n * | e | Local day of week | E | Day of week |\n * | f | | F* | Day of week in month |\n * | g* | Modified Julian day | G | Era |\n * | h | Hour [1-12] | H | Hour [0-23] |\n * | i! | ISO day of week | I! | ISO week of year |\n * | j* | Localized hour w/ day period | J* | Localized hour w/o day period |\n * | k | Hour [1-24] | K | Hour [0-11] |\n * | l* | (deprecated) | L | Stand-alone month |\n * | m | Minute | M | Month |\n * | n | | N | |\n * | o! | Ordinal number modifier | O | Timezone (GMT) |\n * | p! | Long localized time | P! | Long localized date |\n * | q | Stand-alone quarter | Q | Quarter |\n * | r* | Related Gregorian year | R! | ISO week-numbering year |\n * | s | Second | S | Fraction of second |\n * | t! | Seconds timestamp | T! | Milliseconds timestamp |\n * | u | Extended year | U* | Cyclic year |\n * | v* | Timezone (generic non-locat.) | V* | Timezone (location) |\n * | w | Local week of year | W* | Week of month |\n * | x | Timezone (ISO-8601 w/o Z) | X | Timezone (ISO-8601) |\n * | y | Year (abs) | Y | Local week-numbering year |\n * | z | Timezone (specific non-locat.) | Z* | Timezone (aliases) |\n *\n * Letters marked by * are not implemented but reserved by Unicode standard.\n *\n * Letters marked by ! are non-standard, but implemented by date-fns:\n * - `o` modifies the previous token to turn it into an ordinal (see `format` docs)\n * - `i` is ISO day of week. For `i` and `ii` is returns numeric ISO week days,\n * i.e. 7 for Sunday, 1 for Monday, etc.\n * - `I` is ISO week of year, as opposed to `w` which is local week of year.\n * - `R` is ISO week-numbering year, as opposed to `Y` which is local week-numbering year.\n * `R` is supposed to be used in conjunction with `I` and `i`\n * for universal ISO week-numbering date, whereas\n * `Y` is supposed to be used in conjunction with `w` and `e`\n * for week-numbering date specific to the locale.\n * - `P` is long localized date format\n * - `p` is long localized time format\n */\n\nvar formatters = {\n // Era\n G: function G(date, token, localize) {\n var era = date.getUTCFullYear() > 0 ? 1 : 0;\n\n switch (token) {\n // AD, BC\n case 'G':\n case 'GG':\n case 'GGG':\n return localize.era(era, {\n width: 'abbreviated'\n });\n // A, B\n\n case 'GGGGG':\n return localize.era(era, {\n width: 'narrow'\n });\n // Anno Domini, Before Christ\n\n case 'GGGG':\n default:\n return localize.era(era, {\n width: 'wide'\n });\n }\n },\n // Year\n y: function y(date, token, localize) {\n // Ordinal number\n if (token === 'yo') {\n var signedYear = date.getUTCFullYear(); // Returns 1 for 1 BC (which is year 0 in JavaScript)\n\n var year = signedYear > 0 ? signedYear : 1 - signedYear;\n return localize.ordinalNumber(year, {\n unit: 'year'\n });\n }\n\n return lightFormatters.y(date, token);\n },\n // Local week-numbering year\n Y: function Y(date, token, localize, options) {\n var signedWeekYear = getUTCWeekYear(date, options); // Returns 1 for 1 BC (which is year 0 in JavaScript)\n\n var weekYear = signedWeekYear > 0 ? signedWeekYear : 1 - signedWeekYear; // Two digit year\n\n if (token === 'YY') {\n var twoDigitYear = weekYear % 100;\n return addLeadingZeros(twoDigitYear, 2);\n } // Ordinal number\n\n\n if (token === 'Yo') {\n return localize.ordinalNumber(weekYear, {\n unit: 'year'\n });\n } // Padding\n\n\n return addLeadingZeros(weekYear, token.length);\n },\n // ISO week-numbering year\n R: function R(date, token) {\n var isoWeekYear = getUTCISOWeekYear(date); // Padding\n\n return addLeadingZeros(isoWeekYear, token.length);\n },\n // Extended year. This is a single number designating the year of this calendar system.\n // The main difference between `y` and `u` localizers are B.C. years:\n // | Year | `y` | `u` |\n // |------|-----|-----|\n // | AC 1 | 1 | 1 |\n // | BC 1 | 1 | 0 |\n // | BC 2 | 2 | -1 |\n // Also `yy` always returns the last two digits of a year,\n // while `uu` pads single digit years to 2 characters and returns other years unchanged.\n u: function u(date, token) {\n var year = date.getUTCFullYear();\n return addLeadingZeros(year, token.length);\n },\n // Quarter\n Q: function Q(date, token, localize) {\n var quarter = Math.ceil((date.getUTCMonth() + 1) / 3);\n\n switch (token) {\n // 1, 2, 3, 4\n case 'Q':\n return String(quarter);\n // 01, 02, 03, 04\n\n case 'QQ':\n return addLeadingZeros(quarter, 2);\n // 1st, 2nd, 3rd, 4th\n\n case 'Qo':\n return localize.ordinalNumber(quarter, {\n unit: 'quarter'\n });\n // Q1, Q2, Q3, Q4\n\n case 'QQQ':\n return localize.quarter(quarter, {\n width: 'abbreviated',\n context: 'formatting'\n });\n // 1, 2, 3, 4 (narrow quarter; could be not numerical)\n\n case 'QQQQQ':\n return localize.quarter(quarter, {\n width: 'narrow',\n context: 'formatting'\n });\n // 1st quarter, 2nd quarter, ...\n\n case 'QQQQ':\n default:\n return localize.quarter(quarter, {\n width: 'wide',\n context: 'formatting'\n });\n }\n },\n // Stand-alone quarter\n q: function q(date, token, localize) {\n var quarter = Math.ceil((date.getUTCMonth() + 1) / 3);\n\n switch (token) {\n // 1, 2, 3, 4\n case 'q':\n return String(quarter);\n // 01, 02, 03, 04\n\n case 'qq':\n return addLeadingZeros(quarter, 2);\n // 1st, 2nd, 3rd, 4th\n\n case 'qo':\n return localize.ordinalNumber(quarter, {\n unit: 'quarter'\n });\n // Q1, Q2, Q3, Q4\n\n case 'qqq':\n return localize.quarter(quarter, {\n width: 'abbreviated',\n context: 'standalone'\n });\n // 1, 2, 3, 4 (narrow quarter; could be not numerical)\n\n case 'qqqqq':\n return localize.quarter(quarter, {\n width: 'narrow',\n context: 'standalone'\n });\n // 1st quarter, 2nd quarter, ...\n\n case 'qqqq':\n default:\n return localize.quarter(quarter, {\n width: 'wide',\n context: 'standalone'\n });\n }\n },\n // Month\n M: function M(date, token, localize) {\n var month = date.getUTCMonth();\n\n switch (token) {\n case 'M':\n case 'MM':\n return lightFormatters.M(date, token);\n // 1st, 2nd, ..., 12th\n\n case 'Mo':\n return localize.ordinalNumber(month + 1, {\n unit: 'month'\n });\n // Jan, Feb, ..., Dec\n\n case 'MMM':\n return localize.month(month, {\n width: 'abbreviated',\n context: 'formatting'\n });\n // J, F, ..., D\n\n case 'MMMMM':\n return localize.month(month, {\n width: 'narrow',\n context: 'formatting'\n });\n // January, February, ..., December\n\n case 'MMMM':\n default:\n return localize.month(month, {\n width: 'wide',\n context: 'formatting'\n });\n }\n },\n // Stand-alone month\n L: function L(date, token, localize) {\n var month = date.getUTCMonth();\n\n switch (token) {\n // 1, 2, ..., 12\n case 'L':\n return String(month + 1);\n // 01, 02, ..., 12\n\n case 'LL':\n return addLeadingZeros(month + 1, 2);\n // 1st, 2nd, ..., 12th\n\n case 'Lo':\n return localize.ordinalNumber(month + 1, {\n unit: 'month'\n });\n // Jan, Feb, ..., Dec\n\n case 'LLL':\n return localize.month(month, {\n width: 'abbreviated',\n context: 'standalone'\n });\n // J, F, ..., D\n\n case 'LLLLL':\n return localize.month(month, {\n width: 'narrow',\n context: 'standalone'\n });\n // January, February, ..., December\n\n case 'LLLL':\n default:\n return localize.month(month, {\n width: 'wide',\n context: 'standalone'\n });\n }\n },\n // Local week of year\n w: function w(date, token, localize, options) {\n var week = getUTCWeek(date, options);\n\n if (token === 'wo') {\n return localize.ordinalNumber(week, {\n unit: 'week'\n });\n }\n\n return addLeadingZeros(week, token.length);\n },\n // ISO week of year\n I: function I(date, token, localize) {\n var isoWeek = getUTCISOWeek(date);\n\n if (token === 'Io') {\n return localize.ordinalNumber(isoWeek, {\n unit: 'week'\n });\n }\n\n return addLeadingZeros(isoWeek, token.length);\n },\n // Day of the month\n d: function d(date, token, localize) {\n if (token === 'do') {\n return localize.ordinalNumber(date.getUTCDate(), {\n unit: 'date'\n });\n }\n\n return lightFormatters.d(date, token);\n },\n // Day of year\n D: function D(date, token, localize) {\n var dayOfYear = getUTCDayOfYear(date);\n\n if (token === 'Do') {\n return localize.ordinalNumber(dayOfYear, {\n unit: 'dayOfYear'\n });\n }\n\n return addLeadingZeros(dayOfYear, token.length);\n },\n // Day of week\n E: function E(date, token, localize) {\n var dayOfWeek = date.getUTCDay();\n\n switch (token) {\n // Tue\n case 'E':\n case 'EE':\n case 'EEE':\n return localize.day(dayOfWeek, {\n width: 'abbreviated',\n context: 'formatting'\n });\n // T\n\n case 'EEEEE':\n return localize.day(dayOfWeek, {\n width: 'narrow',\n context: 'formatting'\n });\n // Tu\n\n case 'EEEEEE':\n return localize.day(dayOfWeek, {\n width: 'short',\n context: 'formatting'\n });\n // Tuesday\n\n case 'EEEE':\n default:\n return localize.day(dayOfWeek, {\n width: 'wide',\n context: 'formatting'\n });\n }\n },\n // Local day of week\n e: function e(date, token, localize, options) {\n var dayOfWeek = date.getUTCDay();\n var localDayOfWeek = (dayOfWeek - options.weekStartsOn + 8) % 7 || 7;\n\n switch (token) {\n // Numerical value (Nth day of week with current locale or weekStartsOn)\n case 'e':\n return String(localDayOfWeek);\n // Padded numerical value\n\n case 'ee':\n return addLeadingZeros(localDayOfWeek, 2);\n // 1st, 2nd, ..., 7th\n\n case 'eo':\n return localize.ordinalNumber(localDayOfWeek, {\n unit: 'day'\n });\n\n case 'eee':\n return localize.day(dayOfWeek, {\n width: 'abbreviated',\n context: 'formatting'\n });\n // T\n\n case 'eeeee':\n return localize.day(dayOfWeek, {\n width: 'narrow',\n context: 'formatting'\n });\n // Tu\n\n case 'eeeeee':\n return localize.day(dayOfWeek, {\n width: 'short',\n context: 'formatting'\n });\n // Tuesday\n\n case 'eeee':\n default:\n return localize.day(dayOfWeek, {\n width: 'wide',\n context: 'formatting'\n });\n }\n },\n // Stand-alone local day of week\n c: function c(date, token, localize, options) {\n var dayOfWeek = date.getUTCDay();\n var localDayOfWeek = (dayOfWeek - options.weekStartsOn + 8) % 7 || 7;\n\n switch (token) {\n // Numerical value (same as in `e`)\n case 'c':\n return String(localDayOfWeek);\n // Padded numerical value\n\n case 'cc':\n return addLeadingZeros(localDayOfWeek, token.length);\n // 1st, 2nd, ..., 7th\n\n case 'co':\n return localize.ordinalNumber(localDayOfWeek, {\n unit: 'day'\n });\n\n case 'ccc':\n return localize.day(dayOfWeek, {\n width: 'abbreviated',\n context: 'standalone'\n });\n // T\n\n case 'ccccc':\n return localize.day(dayOfWeek, {\n width: 'narrow',\n context: 'standalone'\n });\n // Tu\n\n case 'cccccc':\n return localize.day(dayOfWeek, {\n width: 'short',\n context: 'standalone'\n });\n // Tuesday\n\n case 'cccc':\n default:\n return localize.day(dayOfWeek, {\n width: 'wide',\n context: 'standalone'\n });\n }\n },\n // ISO day of week\n i: function i(date, token, localize) {\n var dayOfWeek = date.getUTCDay();\n var isoDayOfWeek = dayOfWeek === 0 ? 7 : dayOfWeek;\n\n switch (token) {\n // 2\n case 'i':\n return String(isoDayOfWeek);\n // 02\n\n case 'ii':\n return addLeadingZeros(isoDayOfWeek, token.length);\n // 2nd\n\n case 'io':\n return localize.ordinalNumber(isoDayOfWeek, {\n unit: 'day'\n });\n // Tue\n\n case 'iii':\n return localize.day(dayOfWeek, {\n width: 'abbreviated',\n context: 'formatting'\n });\n // T\n\n case 'iiiii':\n return localize.day(dayOfWeek, {\n width: 'narrow',\n context: 'formatting'\n });\n // Tu\n\n case 'iiiiii':\n return localize.day(dayOfWeek, {\n width: 'short',\n context: 'formatting'\n });\n // Tuesday\n\n case 'iiii':\n default:\n return localize.day(dayOfWeek, {\n width: 'wide',\n context: 'formatting'\n });\n }\n },\n // AM or PM\n a: function a(date, token, localize) {\n var hours = date.getUTCHours();\n var dayPeriodEnumValue = hours / 12 >= 1 ? 'pm' : 'am';\n\n switch (token) {\n case 'a':\n case 'aa':\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'abbreviated',\n context: 'formatting'\n });\n\n case 'aaa':\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'abbreviated',\n context: 'formatting'\n }).toLowerCase();\n\n case 'aaaaa':\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'narrow',\n context: 'formatting'\n });\n\n case 'aaaa':\n default:\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'wide',\n context: 'formatting'\n });\n }\n },\n // AM, PM, midnight, noon\n b: function b(date, token, localize) {\n var hours = date.getUTCHours();\n var dayPeriodEnumValue;\n\n if (hours === 12) {\n dayPeriodEnumValue = dayPeriodEnum.noon;\n } else if (hours === 0) {\n dayPeriodEnumValue = dayPeriodEnum.midnight;\n } else {\n dayPeriodEnumValue = hours / 12 >= 1 ? 'pm' : 'am';\n }\n\n switch (token) {\n case 'b':\n case 'bb':\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'abbreviated',\n context: 'formatting'\n });\n\n case 'bbb':\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'abbreviated',\n context: 'formatting'\n }).toLowerCase();\n\n case 'bbbbb':\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'narrow',\n context: 'formatting'\n });\n\n case 'bbbb':\n default:\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'wide',\n context: 'formatting'\n });\n }\n },\n // in the morning, in the afternoon, in the evening, at night\n B: function B(date, token, localize) {\n var hours = date.getUTCHours();\n var dayPeriodEnumValue;\n\n if (hours >= 17) {\n dayPeriodEnumValue = dayPeriodEnum.evening;\n } else if (hours >= 12) {\n dayPeriodEnumValue = dayPeriodEnum.afternoon;\n } else if (hours >= 4) {\n dayPeriodEnumValue = dayPeriodEnum.morning;\n } else {\n dayPeriodEnumValue = dayPeriodEnum.night;\n }\n\n switch (token) {\n case 'B':\n case 'BB':\n case 'BBB':\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'abbreviated',\n context: 'formatting'\n });\n\n case 'BBBBB':\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'narrow',\n context: 'formatting'\n });\n\n case 'BBBB':\n default:\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: 'wide',\n context: 'formatting'\n });\n }\n },\n // Hour [1-12]\n h: function h(date, token, localize) {\n if (token === 'ho') {\n var hours = date.getUTCHours() % 12;\n if (hours === 0) hours = 12;\n return localize.ordinalNumber(hours, {\n unit: 'hour'\n });\n }\n\n return lightFormatters.h(date, token);\n },\n // Hour [0-23]\n H: function H(date, token, localize) {\n if (token === 'Ho') {\n return localize.ordinalNumber(date.getUTCHours(), {\n unit: 'hour'\n });\n }\n\n return lightFormatters.H(date, token);\n },\n // Hour [0-11]\n K: function K(date, token, localize) {\n var hours = date.getUTCHours() % 12;\n\n if (token === 'Ko') {\n return localize.ordinalNumber(hours, {\n unit: 'hour'\n });\n }\n\n return addLeadingZeros(hours, token.length);\n },\n // Hour [1-24]\n k: function k(date, token, localize) {\n var hours = date.getUTCHours();\n if (hours === 0) hours = 24;\n\n if (token === 'ko') {\n return localize.ordinalNumber(hours, {\n unit: 'hour'\n });\n }\n\n return addLeadingZeros(hours, token.length);\n },\n // Minute\n m: function m(date, token, localize) {\n if (token === 'mo') {\n return localize.ordinalNumber(date.getUTCMinutes(), {\n unit: 'minute'\n });\n }\n\n return lightFormatters.m(date, token);\n },\n // Second\n s: function s(date, token, localize) {\n if (token === 'so') {\n return localize.ordinalNumber(date.getUTCSeconds(), {\n unit: 'second'\n });\n }\n\n return lightFormatters.s(date, token);\n },\n // Fraction of second\n S: function S(date, token) {\n return lightFormatters.S(date, token);\n },\n // Timezone (ISO-8601. If offset is 0, output is always `'Z'`)\n X: function X(date, token, _localize, options) {\n var originalDate = options._originalDate || date;\n var timezoneOffset = originalDate.getTimezoneOffset();\n\n if (timezoneOffset === 0) {\n return 'Z';\n }\n\n switch (token) {\n // Hours and optional minutes\n case 'X':\n return formatTimezoneWithOptionalMinutes(timezoneOffset);\n // Hours, minutes and optional seconds without `:` delimiter\n // Note: neither ISO-8601 nor JavaScript supports seconds in timezone offsets\n // so this token always has the same output as `XX`\n\n case 'XXXX':\n case 'XX':\n // Hours and minutes without `:` delimiter\n return formatTimezone(timezoneOffset);\n // Hours, minutes and optional seconds with `:` delimiter\n // Note: neither ISO-8601 nor JavaScript supports seconds in timezone offsets\n // so this token always has the same output as `XXX`\n\n case 'XXXXX':\n case 'XXX': // Hours and minutes with `:` delimiter\n\n default:\n return formatTimezone(timezoneOffset, ':');\n }\n },\n // Timezone (ISO-8601. If offset is 0, output is `'+00:00'` or equivalent)\n x: function x(date, token, _localize, options) {\n var originalDate = options._originalDate || date;\n var timezoneOffset = originalDate.getTimezoneOffset();\n\n switch (token) {\n // Hours and optional minutes\n case 'x':\n return formatTimezoneWithOptionalMinutes(timezoneOffset);\n // Hours, minutes and optional seconds without `:` delimiter\n // Note: neither ISO-8601 nor JavaScript supports seconds in timezone offsets\n // so this token always has the same output as `xx`\n\n case 'xxxx':\n case 'xx':\n // Hours and minutes without `:` delimiter\n return formatTimezone(timezoneOffset);\n // Hours, minutes and optional seconds with `:` delimiter\n // Note: neither ISO-8601 nor JavaScript supports seconds in timezone offsets\n // so this token always has the same output as `xxx`\n\n case 'xxxxx':\n case 'xxx': // Hours and minutes with `:` delimiter\n\n default:\n return formatTimezone(timezoneOffset, ':');\n }\n },\n // Timezone (GMT)\n O: function O(date, token, _localize, options) {\n var originalDate = options._originalDate || date;\n var timezoneOffset = originalDate.getTimezoneOffset();\n\n switch (token) {\n // Short\n case 'O':\n case 'OO':\n case 'OOO':\n return 'GMT' + formatTimezoneShort(timezoneOffset, ':');\n // Long\n\n case 'OOOO':\n default:\n return 'GMT' + formatTimezone(timezoneOffset, ':');\n }\n },\n // Timezone (specific non-location)\n z: function z(date, token, _localize, options) {\n var originalDate = options._originalDate || date;\n var timezoneOffset = originalDate.getTimezoneOffset();\n\n switch (token) {\n // Short\n case 'z':\n case 'zz':\n case 'zzz':\n return 'GMT' + formatTimezoneShort(timezoneOffset, ':');\n // Long\n\n case 'zzzz':\n default:\n return 'GMT' + formatTimezone(timezoneOffset, ':');\n }\n },\n // Seconds timestamp\n t: function t(date, token, _localize, options) {\n var originalDate = options._originalDate || date;\n var timestamp = Math.floor(originalDate.getTime() / 1000);\n return addLeadingZeros(timestamp, token.length);\n },\n // Milliseconds timestamp\n T: function T(date, token, _localize, options) {\n var originalDate = options._originalDate || date;\n var timestamp = originalDate.getTime();\n return addLeadingZeros(timestamp, token.length);\n }\n};\n\nfunction formatTimezoneShort(offset, dirtyDelimiter) {\n var sign = offset > 0 ? '-' : '+';\n var absOffset = Math.abs(offset);\n var hours = Math.floor(absOffset / 60);\n var minutes = absOffset % 60;\n\n if (minutes === 0) {\n return sign + String(hours);\n }\n\n var delimiter = dirtyDelimiter || '';\n return sign + String(hours) + delimiter + addLeadingZeros(minutes, 2);\n}\n\nfunction formatTimezoneWithOptionalMinutes(offset, dirtyDelimiter) {\n if (offset % 60 === 0) {\n var sign = offset > 0 ? '-' : '+';\n return sign + addLeadingZeros(Math.abs(offset) / 60, 2);\n }\n\n return formatTimezone(offset, dirtyDelimiter);\n}\n\nfunction formatTimezone(offset, dirtyDelimiter) {\n var delimiter = dirtyDelimiter || '';\n var sign = offset > 0 ? '-' : '+';\n var absOffset = Math.abs(offset);\n var hours = addLeadingZeros(Math.floor(absOffset / 60), 2);\n var minutes = addLeadingZeros(absOffset % 60, 2);\n return sign + hours + delimiter + minutes;\n}\n\nexport default formatters;","import toDate from \"../../toDate/index.js\";\nimport requiredArgs from \"../requiredArgs/index.js\";\nvar MILLISECONDS_IN_DAY = 86400000; // This function will be a part of public API when UTC function will be implemented.\n// See issue: https://github.com/date-fns/date-fns/issues/376\n\nexport default function getUTCDayOfYear(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n var timestamp = date.getTime();\n date.setUTCMonth(0, 1);\n date.setUTCHours(0, 0, 0, 0);\n var startOfYearTimestamp = date.getTime();\n var difference = timestamp - startOfYearTimestamp;\n return Math.floor(difference / MILLISECONDS_IN_DAY) + 1;\n}","import isValid from \"../isValid/index.js\";\nimport defaultLocale from \"../locale/en-US/index.js\";\nimport subMilliseconds from \"../subMilliseconds/index.js\";\nimport toDate from \"../toDate/index.js\";\nimport formatters from \"../_lib/format/formatters/index.js\";\nimport longFormatters from \"../_lib/format/longFormatters/index.js\";\nimport getTimezoneOffsetInMilliseconds from \"../_lib/getTimezoneOffsetInMilliseconds/index.js\";\nimport { isProtectedDayOfYearToken, isProtectedWeekYearToken, throwProtectedError } from \"../_lib/protectedTokens/index.js\";\nimport toInteger from \"../_lib/toInteger/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\"; // This RegExp consists of three parts separated by `|`:\n// - [yYQqMLwIdDecihHKkms]o matches any available ordinal number token\n// (one of the certain letters followed by `o`)\n// - (\\w)\\1* matches any sequences of the same letter\n// - '' matches two quote characters in a row\n// - '(''|[^'])+('|$) matches anything surrounded by two quote characters ('),\n// except a single quote symbol, which ends the sequence.\n// Two quote characters do not end the sequence.\n// If there is no matching single quote\n// then the sequence will continue until the end of the string.\n// - . matches any single character unmatched by previous parts of the RegExps\n\nvar formattingTokensRegExp = /[yYQqMLwIdDecihHKkms]o|(\\w)\\1*|''|'(''|[^'])+('|$)|./g; // This RegExp catches symbols escaped by quotes, and also\n// sequences of symbols P, p, and the combinations like `PPPPPPPppppp`\n\nvar longFormattingTokensRegExp = /P+p+|P+|p+|''|'(''|[^'])+('|$)|./g;\nvar escapedStringRegExp = /^'([^]*?)'?$/;\nvar doubleQuoteRegExp = /''/g;\nvar unescapedLatinCharacterRegExp = /[a-zA-Z]/;\n/**\n * @name format\n * @category Common Helpers\n * @summary Format the date.\n *\n * @description\n * Return the formatted date string in the given format. The result may vary by locale.\n *\n * > ⚠️ Please note that the `format` tokens differ from Moment.js and other libraries.\n * > See: https://git.io/fxCyr\n *\n * The characters wrapped between two single quotes characters (') are escaped.\n * Two single quotes in a row, whether inside or outside a quoted sequence, represent a 'real' single quote.\n * (see the last example)\n *\n * Format of the string is based on Unicode Technical Standard #35:\n * https://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table\n * with a few additions (see note 7 below the table).\n *\n * Accepted patterns:\n * | Unit | Pattern | Result examples | Notes |\n * |---------------------------------|---------|-----------------------------------|-------|\n * | Era | G..GGG | AD, BC | |\n * | | GGGG | Anno Domini, Before Christ | 2 |\n * | | GGGGG | A, B | |\n * | Calendar year | y | 44, 1, 1900, 2017 | 5 |\n * | | yo | 44th, 1st, 0th, 17th | 5,7 |\n * | | yy | 44, 01, 00, 17 | 5 |\n * | | yyy | 044, 001, 1900, 2017 | 5 |\n * | | yyyy | 0044, 0001, 1900, 2017 | 5 |\n * | | yyyyy | ... | 3,5 |\n * | Local week-numbering year | Y | 44, 1, 1900, 2017 | 5 |\n * | | Yo | 44th, 1st, 1900th, 2017th | 5,7 |\n * | | YY | 44, 01, 00, 17 | 5,8 |\n * | | YYY | 044, 001, 1900, 2017 | 5 |\n * | | YYYY | 0044, 0001, 1900, 2017 | 5,8 |\n * | | YYYYY | ... | 3,5 |\n * | ISO week-numbering year | R | -43, 0, 1, 1900, 2017 | 5,7 |\n * | | RR | -43, 00, 01, 1900, 2017 | 5,7 |\n * | | RRR | -043, 000, 001, 1900, 2017 | 5,7 |\n * | | RRRR | -0043, 0000, 0001, 1900, 2017 | 5,7 |\n * | | RRRRR | ... | 3,5,7 |\n * | Extended year | u | -43, 0, 1, 1900, 2017 | 5 |\n * | | uu | -43, 01, 1900, 2017 | 5 |\n * | | uuu | -043, 001, 1900, 2017 | 5 |\n * | | uuuu | -0043, 0001, 1900, 2017 | 5 |\n * | | uuuuu | ... | 3,5 |\n * | Quarter (formatting) | Q | 1, 2, 3, 4 | |\n * | | Qo | 1st, 2nd, 3rd, 4th | 7 |\n * | | QQ | 01, 02, 03, 04 | |\n * | | QQQ | Q1, Q2, Q3, Q4 | |\n * | | QQQQ | 1st quarter, 2nd quarter, ... | 2 |\n * | | QQQQQ | 1, 2, 3, 4 | 4 |\n * | Quarter (stand-alone) | q | 1, 2, 3, 4 | |\n * | | qo | 1st, 2nd, 3rd, 4th | 7 |\n * | | qq | 01, 02, 03, 04 | |\n * | | qqq | Q1, Q2, Q3, Q4 | |\n * | | qqqq | 1st quarter, 2nd quarter, ... | 2 |\n * | | qqqqq | 1, 2, 3, 4 | 4 |\n * | Month (formatting) | M | 1, 2, ..., 12 | |\n * | | Mo | 1st, 2nd, ..., 12th | 7 |\n * | | MM | 01, 02, ..., 12 | |\n * | | MMM | Jan, Feb, ..., Dec | |\n * | | MMMM | January, February, ..., December | 2 |\n * | | MMMMM | J, F, ..., D | |\n * | Month (stand-alone) | L | 1, 2, ..., 12 | |\n * | | Lo | 1st, 2nd, ..., 12th | 7 |\n * | | LL | 01, 02, ..., 12 | |\n * | | LLL | Jan, Feb, ..., Dec | |\n * | | LLLL | January, February, ..., December | 2 |\n * | | LLLLL | J, F, ..., D | |\n * | Local week of year | w | 1, 2, ..., 53 | |\n * | | wo | 1st, 2nd, ..., 53th | 7 |\n * | | ww | 01, 02, ..., 53 | |\n * | ISO week of year | I | 1, 2, ..., 53 | 7 |\n * | | Io | 1st, 2nd, ..., 53th | 7 |\n * | | II | 01, 02, ..., 53 | 7 |\n * | Day of month | d | 1, 2, ..., 31 | |\n * | | do | 1st, 2nd, ..., 31st | 7 |\n * | | dd | 01, 02, ..., 31 | |\n * | Day of year | D | 1, 2, ..., 365, 366 | 9 |\n * | | Do | 1st, 2nd, ..., 365th, 366th | 7 |\n * | | DD | 01, 02, ..., 365, 366 | 9 |\n * | | DDD | 001, 002, ..., 365, 366 | |\n * | | DDDD | ... | 3 |\n * | Day of week (formatting) | E..EEE | Mon, Tue, Wed, ..., Sun | |\n * | | EEEE | Monday, Tuesday, ..., Sunday | 2 |\n * | | EEEEE | M, T, W, T, F, S, S | |\n * | | EEEEEE | Mo, Tu, We, Th, Fr, Su, Sa | |\n * | ISO day of week (formatting) | i | 1, 2, 3, ..., 7 | 7 |\n * | | io | 1st, 2nd, ..., 7th | 7 |\n * | | ii | 01, 02, ..., 07 | 7 |\n * | | iii | Mon, Tue, Wed, ..., Sun | 7 |\n * | | iiii | Monday, Tuesday, ..., Sunday | 2,7 |\n * | | iiiii | M, T, W, T, F, S, S | 7 |\n * | | iiiiii | Mo, Tu, We, Th, Fr, Su, Sa | 7 |\n * | Local day of week (formatting) | e | 2, 3, 4, ..., 1 | |\n * | | eo | 2nd, 3rd, ..., 1st | 7 |\n * | | ee | 02, 03, ..., 01 | |\n * | | eee | Mon, Tue, Wed, ..., Sun | |\n * | | eeee | Monday, Tuesday, ..., Sunday | 2 |\n * | | eeeee | M, T, W, T, F, S, S | |\n * | | eeeeee | Mo, Tu, We, Th, Fr, Su, Sa | |\n * | Local day of week (stand-alone) | c | 2, 3, 4, ..., 1 | |\n * | | co | 2nd, 3rd, ..., 1st | 7 |\n * | | cc | 02, 03, ..., 01 | |\n * | | ccc | Mon, Tue, Wed, ..., Sun | |\n * | | cccc | Monday, Tuesday, ..., Sunday | 2 |\n * | | ccccc | M, T, W, T, F, S, S | |\n * | | cccccc | Mo, Tu, We, Th, Fr, Su, Sa | |\n * | AM, PM | a..aa | AM, PM | |\n * | | aaa | am, pm | |\n * | | aaaa | a.m., p.m. | 2 |\n * | | aaaaa | a, p | |\n * | AM, PM, noon, midnight | b..bb | AM, PM, noon, midnight | |\n * | | bbb | am, pm, noon, midnight | |\n * | | bbbb | a.m., p.m., noon, midnight | 2 |\n * | | bbbbb | a, p, n, mi | |\n * | Flexible day period | B..BBB | at night, in the morning, ... | |\n * | | BBBB | at night, in the morning, ... | 2 |\n * | | BBBBB | at night, in the morning, ... | |\n * | Hour [1-12] | h | 1, 2, ..., 11, 12 | |\n * | | ho | 1st, 2nd, ..., 11th, 12th | 7 |\n * | | hh | 01, 02, ..., 11, 12 | |\n * | Hour [0-23] | H | 0, 1, 2, ..., 23 | |\n * | | Ho | 0th, 1st, 2nd, ..., 23rd | 7 |\n * | | HH | 00, 01, 02, ..., 23 | |\n * | Hour [0-11] | K | 1, 2, ..., 11, 0 | |\n * | | Ko | 1st, 2nd, ..., 11th, 0th | 7 |\n * | | KK | 01, 02, ..., 11, 00 | |\n * | Hour [1-24] | k | 24, 1, 2, ..., 23 | |\n * | | ko | 24th, 1st, 2nd, ..., 23rd | 7 |\n * | | kk | 24, 01, 02, ..., 23 | |\n * | Minute | m | 0, 1, ..., 59 | |\n * | | mo | 0th, 1st, ..., 59th | 7 |\n * | | mm | 00, 01, ..., 59 | |\n * | Second | s | 0, 1, ..., 59 | |\n * | | so | 0th, 1st, ..., 59th | 7 |\n * | | ss | 00, 01, ..., 59 | |\n * | Fraction of second | S | 0, 1, ..., 9 | |\n * | | SS | 00, 01, ..., 99 | |\n * | | SSS | 000, 001, ..., 999 | |\n * | | SSSS | ... | 3 |\n * | Timezone (ISO-8601 w/ Z) | X | -08, +0530, Z | |\n * | | XX | -0800, +0530, Z | |\n * | | XXX | -08:00, +05:30, Z | |\n * | | XXXX | -0800, +0530, Z, +123456 | 2 |\n * | | XXXXX | -08:00, +05:30, Z, +12:34:56 | |\n * | Timezone (ISO-8601 w/o Z) | x | -08, +0530, +00 | |\n * | | xx | -0800, +0530, +0000 | |\n * | | xxx | -08:00, +05:30, +00:00 | 2 |\n * | | xxxx | -0800, +0530, +0000, +123456 | |\n * | | xxxxx | -08:00, +05:30, +00:00, +12:34:56 | |\n * | Timezone (GMT) | O...OOO | GMT-8, GMT+5:30, GMT+0 | |\n * | | OOOO | GMT-08:00, GMT+05:30, GMT+00:00 | 2 |\n * | Timezone (specific non-locat.) | z...zzz | GMT-8, GMT+5:30, GMT+0 | 6 |\n * | | zzzz | GMT-08:00, GMT+05:30, GMT+00:00 | 2,6 |\n * | Seconds timestamp | t | 512969520 | 7 |\n * | | tt | ... | 3,7 |\n * | Milliseconds timestamp | T | 512969520900 | 7 |\n * | | TT | ... | 3,7 |\n * | Long localized date | P | 04/29/1453 | 7 |\n * | | PP | Apr 29, 1453 | 7 |\n * | | PPP | April 29th, 1453 | 7 |\n * | | PPPP | Friday, April 29th, 1453 | 2,7 |\n * | Long localized time | p | 12:00 AM | 7 |\n * | | pp | 12:00:00 AM | 7 |\n * | | ppp | 12:00:00 AM GMT+2 | 7 |\n * | | pppp | 12:00:00 AM GMT+02:00 | 2,7 |\n * | Combination of date and time | Pp | 04/29/1453, 12:00 AM | 7 |\n * | | PPpp | Apr 29, 1453, 12:00:00 AM | 7 |\n * | | PPPppp | April 29th, 1453 at ... | 7 |\n * | | PPPPpppp| Friday, April 29th, 1453 at ... | 2,7 |\n * Notes:\n * 1. \"Formatting\" units (e.g. formatting quarter) in the default en-US locale\n * are the same as \"stand-alone\" units, but are different in some languages.\n * \"Formatting\" units are declined according to the rules of the language\n * in the context of a date. \"Stand-alone\" units are always nominative singular:\n *\n * `format(new Date(2017, 10, 6), 'do LLLL', {locale: cs}) //=> '6. listopad'`\n *\n * `format(new Date(2017, 10, 6), 'do MMMM', {locale: cs}) //=> '6. listopadu'`\n *\n * 2. Any sequence of the identical letters is a pattern, unless it is escaped by\n * the single quote characters (see below).\n * If the sequence is longer than listed in table (e.g. `EEEEEEEEEEE`)\n * the output will be the same as default pattern for this unit, usually\n * the longest one (in case of ISO weekdays, `EEEE`). Default patterns for units\n * are marked with \"2\" in the last column of the table.\n *\n * `format(new Date(2017, 10, 6), 'MMM') //=> 'Nov'`\n *\n * `format(new Date(2017, 10, 6), 'MMMM') //=> 'November'`\n *\n * `format(new Date(2017, 10, 6), 'MMMMM') //=> 'N'`\n *\n * `format(new Date(2017, 10, 6), 'MMMMMM') //=> 'November'`\n *\n * `format(new Date(2017, 10, 6), 'MMMMMMM') //=> 'November'`\n *\n * 3. Some patterns could be unlimited length (such as `yyyyyyyy`).\n * The output will be padded with zeros to match the length of the pattern.\n *\n * `format(new Date(2017, 10, 6), 'yyyyyyyy') //=> '00002017'`\n *\n * 4. `QQQQQ` and `qqqqq` could be not strictly numerical in some locales.\n * These tokens represent the shortest form of the quarter.\n *\n * 5. The main difference between `y` and `u` patterns are B.C. years:\n *\n * | Year | `y` | `u` |\n * |------|-----|-----|\n * | AC 1 | 1 | 1 |\n * | BC 1 | 1 | 0 |\n * | BC 2 | 2 | -1 |\n *\n * Also `yy` always returns the last two digits of a year,\n * while `uu` pads single digit years to 2 characters and returns other years unchanged:\n *\n * | Year | `yy` | `uu` |\n * |------|------|------|\n * | 1 | 01 | 01 |\n * | 14 | 14 | 14 |\n * | 376 | 76 | 376 |\n * | 1453 | 53 | 1453 |\n *\n * The same difference is true for local and ISO week-numbering years (`Y` and `R`),\n * except local week-numbering years are dependent on `options.weekStartsOn`\n * and `options.firstWeekContainsDate` (compare [getISOWeekYear]{@link https://date-fns.org/docs/getISOWeekYear}\n * and [getWeekYear]{@link https://date-fns.org/docs/getWeekYear}).\n *\n * 6. Specific non-location timezones are currently unavailable in `date-fns`,\n * so right now these tokens fall back to GMT timezones.\n *\n * 7. These patterns are not in the Unicode Technical Standard #35:\n * - `i`: ISO day of week\n * - `I`: ISO week of year\n * - `R`: ISO week-numbering year\n * - `t`: seconds timestamp\n * - `T`: milliseconds timestamp\n * - `o`: ordinal number modifier\n * - `P`: long localized date\n * - `p`: long localized time\n *\n * 8. `YY` and `YYYY` tokens represent week-numbering years but they are often confused with years.\n * You should enable `options.useAdditionalWeekYearTokens` to use them. See: https://git.io/fxCyr\n *\n * 9. `D` and `DD` tokens represent days of the year but they are ofthen confused with days of the month.\n * You should enable `options.useAdditionalDayOfYearTokens` to use them. See: https://git.io/fxCyr\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * - The second argument is now required for the sake of explicitness.\n *\n * ```javascript\n * // Before v2.0.0\n * format(new Date(2016, 0, 1))\n *\n * // v2.0.0 onward\n * format(new Date(2016, 0, 1), \"yyyy-MM-dd'T'HH:mm:ss.SSSxxx\")\n * ```\n *\n * - New format string API for `format` function\n * which is based on [Unicode Technical Standard #35](https://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table).\n * See [this post](https://blog.date-fns.org/post/unicode-tokens-in-date-fns-v2-sreatyki91jg) for more details.\n *\n * - Characters are now escaped using single quote symbols (`'`) instead of square brackets.\n *\n * @param {Date|Number} date - the original date\n * @param {String} format - the string of tokens\n * @param {Object} [options] - an object with options.\n * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}\n * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)\n * @param {Number} [options.firstWeekContainsDate=1] - the day of January, which is\n * @param {Boolean} [options.useAdditionalWeekYearTokens=false] - if true, allows usage of the week-numbering year tokens `YY` and `YYYY`;\n * see: https://git.io/fxCyr\n * @param {Boolean} [options.useAdditionalDayOfYearTokens=false] - if true, allows usage of the day of year tokens `D` and `DD`;\n * see: https://git.io/fxCyr\n * @returns {String} the formatted date string\n * @throws {TypeError} 2 arguments required\n * @throws {RangeError} `date` must not be Invalid Date\n * @throws {RangeError} `options.locale` must contain `localize` property\n * @throws {RangeError} `options.locale` must contain `formatLong` property\n * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6\n * @throws {RangeError} `options.firstWeekContainsDate` must be between 1 and 7\n * @throws {RangeError} use `yyyy` instead of `YYYY` for formatting years using [format provided] to the input [input provided]; see: https://git.io/fxCyr\n * @throws {RangeError} use `yy` instead of `YY` for formatting years using [format provided] to the input [input provided]; see: https://git.io/fxCyr\n * @throws {RangeError} use `d` instead of `D` for formatting days of the month using [format provided] to the input [input provided]; see: https://git.io/fxCyr\n * @throws {RangeError} use `dd` instead of `DD` for formatting days of the month using [format provided] to the input [input provided]; see: https://git.io/fxCyr\n * @throws {RangeError} format string contains an unescaped latin alphabet character\n *\n * @example\n * // Represent 11 February 2014 in middle-endian format:\n * var result = format(new Date(2014, 1, 11), 'MM/dd/yyyy')\n * //=> '02/11/2014'\n *\n * @example\n * // Represent 2 July 2014 in Esperanto:\n * import { eoLocale } from 'date-fns/locale/eo'\n * var result = format(new Date(2014, 6, 2), \"do 'de' MMMM yyyy\", {\n * locale: eoLocale\n * })\n * //=> '2-a de julio 2014'\n *\n * @example\n * // Escape string by single quote characters:\n * var result = format(new Date(2014, 6, 2, 15), \"h 'o''clock'\")\n * //=> \"3 o'clock\"\n */\n\nexport default function format(dirtyDate, dirtyFormatStr, dirtyOptions) {\n requiredArgs(2, arguments);\n var formatStr = String(dirtyFormatStr);\n var options = dirtyOptions || {};\n var locale = options.locale || defaultLocale;\n var localeFirstWeekContainsDate = locale.options && locale.options.firstWeekContainsDate;\n var defaultFirstWeekContainsDate = localeFirstWeekContainsDate == null ? 1 : toInteger(localeFirstWeekContainsDate);\n var firstWeekContainsDate = options.firstWeekContainsDate == null ? defaultFirstWeekContainsDate : toInteger(options.firstWeekContainsDate); // Test if weekStartsOn is between 1 and 7 _and_ is not NaN\n\n if (!(firstWeekContainsDate >= 1 && firstWeekContainsDate <= 7)) {\n throw new RangeError('firstWeekContainsDate must be between 1 and 7 inclusively');\n }\n\n var localeWeekStartsOn = locale.options && locale.options.weekStartsOn;\n var defaultWeekStartsOn = localeWeekStartsOn == null ? 0 : toInteger(localeWeekStartsOn);\n var weekStartsOn = options.weekStartsOn == null ? defaultWeekStartsOn : toInteger(options.weekStartsOn); // Test if weekStartsOn is between 0 and 6 _and_ is not NaN\n\n if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {\n throw new RangeError('weekStartsOn must be between 0 and 6 inclusively');\n }\n\n if (!locale.localize) {\n throw new RangeError('locale must contain localize property');\n }\n\n if (!locale.formatLong) {\n throw new RangeError('locale must contain formatLong property');\n }\n\n var originalDate = toDate(dirtyDate);\n\n if (!isValid(originalDate)) {\n throw new RangeError('Invalid time value');\n } // Convert the date in system timezone to the same date in UTC+00:00 timezone.\n // This ensures that when UTC functions will be implemented, locales will be compatible with them.\n // See an issue about UTC functions: https://github.com/date-fns/date-fns/issues/376\n\n\n var timezoneOffset = getTimezoneOffsetInMilliseconds(originalDate);\n var utcDate = subMilliseconds(originalDate, timezoneOffset);\n var formatterOptions = {\n firstWeekContainsDate: firstWeekContainsDate,\n weekStartsOn: weekStartsOn,\n locale: locale,\n _originalDate: originalDate\n };\n var result = formatStr.match(longFormattingTokensRegExp).map(function (substring) {\n var firstCharacter = substring[0];\n\n if (firstCharacter === 'p' || firstCharacter === 'P') {\n var longFormatter = longFormatters[firstCharacter];\n return longFormatter(substring, locale.formatLong, formatterOptions);\n }\n\n return substring;\n }).join('').match(formattingTokensRegExp).map(function (substring) {\n // Replace two single quote characters with one single quote character\n if (substring === \"''\") {\n return \"'\";\n }\n\n var firstCharacter = substring[0];\n\n if (firstCharacter === \"'\") {\n return cleanEscapedString(substring);\n }\n\n var formatter = formatters[firstCharacter];\n\n if (formatter) {\n if (!options.useAdditionalWeekYearTokens && isProtectedWeekYearToken(substring)) {\n throwProtectedError(substring, dirtyFormatStr, dirtyDate);\n }\n\n if (!options.useAdditionalDayOfYearTokens && isProtectedDayOfYearToken(substring)) {\n throwProtectedError(substring, dirtyFormatStr, dirtyDate);\n }\n\n return formatter(utcDate, substring, locale.localize, formatterOptions);\n }\n\n if (firstCharacter.match(unescapedLatinCharacterRegExp)) {\n throw new RangeError('Format string contains an unescaped latin alphabet character `' + firstCharacter + '`');\n }\n\n return substring;\n }).join('');\n return result;\n}\n\nfunction cleanEscapedString(input) {\n return input.match(escapedStringRegExp)[1].replace(doubleQuoteRegExp, \"'\");\n}","import toInteger from \"../_lib/toInteger/index.js\";\nimport toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name addDays\n * @category Day Helpers\n * @summary Add the specified number of days to the given date.\n *\n * @description\n * Add the specified number of days to the given date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} amount - the amount of days to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.\n * @returns {Date} - the new date with the days added\n * @throws {TypeError} - 2 arguments required\n *\n * @example\n * // Add 10 days to 1 September 2014:\n * const result = addDays(new Date(2014, 8, 1), 10)\n * //=> Thu Sep 11 2014 00:00:00\n */\n\nexport default function addDays(dirtyDate, dirtyAmount) {\n requiredArgs(2, arguments);\n var date = toDate(dirtyDate);\n var amount = toInteger(dirtyAmount);\n\n if (isNaN(amount)) {\n return new Date(NaN);\n }\n\n if (!amount) {\n // If 0 days, no-op to avoid changing times in the hour before end of DST\n return date;\n }\n\n date.setDate(date.getDate() + amount);\n return date;\n}","import toInteger from \"../_lib/toInteger/index.js\";\nimport toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name addMonths\n * @category Month Helpers\n * @summary Add the specified number of months to the given date.\n *\n * @description\n * Add the specified number of months to the given date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} amount - the amount of months to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.\n * @returns {Date} the new date with the months added\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // Add 5 months to 1 September 2014:\n * const result = addMonths(new Date(2014, 8, 1), 5)\n * //=> Sun Feb 01 2015 00:00:00\n */\n\nexport default function addMonths(dirtyDate, dirtyAmount) {\n requiredArgs(2, arguments);\n var date = toDate(dirtyDate);\n var amount = toInteger(dirtyAmount);\n\n if (isNaN(amount)) {\n return new Date(NaN);\n }\n\n if (!amount) {\n // If 0 months, no-op to avoid changing times in the hour before end of DST\n return date;\n }\n\n var dayOfMonth = date.getDate(); // The JS Date object supports date math by accepting out-of-bounds values for\n // month, day, etc. For example, new Date(2020, 0, 0) returns 31 Dec 2019 and\n // new Date(2020, 13, 1) returns 1 Feb 2021. This is *almost* the behavior we\n // want except that dates will wrap around the end of a month, meaning that\n // new Date(2020, 13, 31) will return 3 Mar 2021 not 28 Feb 2021 as desired. So\n // we'll default to the end of the desired month by adding 1 to the desired\n // month and using a date of 0 to back up one day to the end of the desired\n // month.\n\n var endOfDesiredMonth = new Date(date.getTime());\n endOfDesiredMonth.setMonth(date.getMonth() + amount + 1, 0);\n var daysInMonth = endOfDesiredMonth.getDate();\n\n if (dayOfMonth >= daysInMonth) {\n // If we're already at the end of the month, then this is the correct date\n // and we're done.\n return endOfDesiredMonth;\n } else {\n // Otherwise, we now know that setting the original day-of-month value won't\n // cause an overflow, so set the desired day-of-month. Note that we can't\n // just set the date of `endOfDesiredMonth` because that object may have had\n // its time changed in the unusual case where where a DST transition was on\n // the last day of the month and its local time was in the hour skipped or\n // repeated next to a DST transition. So we use `date` instead which is\n // guaranteed to still have the original time.\n date.setFullYear(endOfDesiredMonth.getFullYear(), endOfDesiredMonth.getMonth(), dayOfMonth);\n return date;\n }\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name differenceInMilliseconds\n * @category Millisecond Helpers\n * @summary Get the number of milliseconds between the given dates.\n *\n * @description\n * Get the number of milliseconds between the given dates.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of milliseconds\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many milliseconds are between\n * // 2 July 2014 12:30:20.600 and 2 July 2014 12:30:21.700?\n * const result = differenceInMilliseconds(\n * new Date(2014, 6, 2, 12, 30, 21, 700),\n * new Date(2014, 6, 2, 12, 30, 20, 600)\n * )\n * //=> 1100\n */\n\nexport default function differenceInMilliseconds(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var dateLeft = toDate(dirtyDateLeft);\n var dateRight = toDate(dirtyDateRight);\n return dateLeft.getTime() - dateRight.getTime();\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name startOfDay\n * @category Day Helpers\n * @summary Return the start of a day for the given date.\n *\n * @description\n * Return the start of a day for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the start of a day\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The start of a day for 2 September 2014 11:55:00:\n * const result = startOfDay(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Tue Sep 02 2014 00:00:00\n */\n\nexport default function startOfDay(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n date.setHours(0, 0, 0, 0);\n return date;\n}","import getTimezoneOffsetInMilliseconds from \"../_lib/getTimezoneOffsetInMilliseconds/index.js\";\nimport startOfDay from \"../startOfDay/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\nvar MILLISECONDS_IN_DAY = 86400000;\n/**\n * @name differenceInCalendarDays\n * @category Day Helpers\n * @summary Get the number of calendar days between the given dates.\n *\n * @description\n * Get the number of calendar days between the given dates. This means that the times are removed\n * from the dates and then the difference in days is calculated.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of calendar days\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many calendar days are between\n * // 2 July 2011 23:00:00 and 2 July 2012 00:00:00?\n * const result = differenceInCalendarDays(\n * new Date(2012, 6, 2, 0, 0),\n * new Date(2011, 6, 2, 23, 0)\n * )\n * //=> 366\n * // How many calendar days are between\n * // 2 July 2011 23:59:00 and 3 July 2011 00:01:00?\n * const result = differenceInCalendarDays(\n * new Date(2011, 6, 3, 0, 1),\n * new Date(2011, 6, 2, 23, 59)\n * )\n * //=> 1\n */\n\nexport default function differenceInCalendarDays(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var startOfDayLeft = startOfDay(dirtyDateLeft);\n var startOfDayRight = startOfDay(dirtyDateRight);\n var timestampLeft = startOfDayLeft.getTime() - getTimezoneOffsetInMilliseconds(startOfDayLeft);\n var timestampRight = startOfDayRight.getTime() - getTimezoneOffsetInMilliseconds(startOfDayRight); // Round the number of days to the nearest integer\n // because the number of milliseconds in a day is not constant\n // (e.g. it's different in the day of the daylight saving time clock shift)\n\n return Math.round((timestampLeft - timestampRight) / MILLISECONDS_IN_DAY);\n}","import toDate from \"../toDate/index.js\";\nimport differenceInCalendarDays from \"../differenceInCalendarDays/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\"; // Like `compareAsc` but uses local time not UTC, which is needed\n// for accurate equality comparisons of UTC timestamps that end up\n// having the same representation in local time, e.g. one hour before\n// DST ends vs. the instant that DST ends.\n\nfunction compareLocalAsc(dateLeft, dateRight) {\n var diff = dateLeft.getFullYear() - dateRight.getFullYear() || dateLeft.getMonth() - dateRight.getMonth() || dateLeft.getDate() - dateRight.getDate() || dateLeft.getHours() - dateRight.getHours() || dateLeft.getMinutes() - dateRight.getMinutes() || dateLeft.getSeconds() - dateRight.getSeconds() || dateLeft.getMilliseconds() - dateRight.getMilliseconds();\n\n if (diff < 0) {\n return -1;\n } else if (diff > 0) {\n return 1; // Return 0 if diff is 0; return NaN if diff is NaN\n } else {\n return diff;\n }\n}\n/**\n * @name differenceInDays\n * @category Day Helpers\n * @summary Get the number of full days between the given dates.\n *\n * @description\n * Get the number of full day periods between two dates. Fractional days are\n * truncated towards zero.\n *\n * One \"full day\" is the distance between a local time in one day to the same\n * local time on the next or previous day. A full day can sometimes be less than\n * or more than 24 hours if a daylight savings change happens between two dates.\n *\n * To ignore DST and only measure exact 24-hour periods, use this instead:\n * `Math.floor(differenceInHours(dateLeft, dateRight)/24)|0`.\n *\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of full days according to the local timezone\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many full days are between\n * // 2 July 2011 23:00:00 and 2 July 2012 00:00:00?\n * const result = differenceInDays(\n * new Date(2012, 6, 2, 0, 0),\n * new Date(2011, 6, 2, 23, 0)\n * )\n * //=> 365\n * // How many full days are between\n * // 2 July 2011 23:59:00 and 3 July 2011 00:01:00?\n * const result = differenceInDays(\n * new Date(2011, 6, 3, 0, 1),\n * new Date(2011, 6, 2, 23, 59)\n * )\n * //=> 0\n * // How many full days are between\n * // 1 March 2020 0:00 and 1 June 2020 0:00 ?\n * // Note: because local time is used, the\n * // result will always be 92 days, even in\n * // time zones where DST starts and the\n * // period has only 92*24-1 hours.\n * const result = differenceInDays(\n * new Date(2020, 5, 1),\n * new Date(2020, 2, 1)\n * )\n//=> 92\n */\n\n\nexport default function differenceInDays(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var dateLeft = toDate(dirtyDateLeft);\n var dateRight = toDate(dirtyDateRight);\n var sign = compareLocalAsc(dateLeft, dateRight);\n var difference = Math.abs(differenceInCalendarDays(dateLeft, dateRight));\n dateLeft.setDate(dateLeft.getDate() - sign * difference); // Math.abs(diff in full days - diff in calendar days) === 1 if last calendar day is not full\n // If so, result must be decreased by 1 in absolute value\n\n var isLastDayNotFull = Number(compareLocalAsc(dateLeft, dateRight) === -sign);\n var result = sign * (difference - isLastDayNotFull); // Prevent negative zero\n\n return result === 0 ? 0 : result;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name differenceInCalendarMonths\n * @category Month Helpers\n * @summary Get the number of calendar months between the given dates.\n *\n * @description\n * Get the number of calendar months between the given dates.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of calendar months\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many calendar months are between 31 January 2014 and 1 September 2014?\n * var result = differenceInCalendarMonths(\n * new Date(2014, 8, 1),\n * new Date(2014, 0, 31)\n * )\n * //=> 8\n */\n\nexport default function differenceInCalendarMonths(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var dateLeft = toDate(dirtyDateLeft);\n var dateRight = toDate(dirtyDateRight);\n var yearDiff = dateLeft.getFullYear() - dateRight.getFullYear();\n var monthDiff = dateLeft.getMonth() - dateRight.getMonth();\n return yearDiff * 12 + monthDiff;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name compareAsc\n * @category Common Helpers\n * @summary Compare the two dates and return -1, 0 or 1.\n *\n * @description\n * Compare the two dates and return 1 if the first date is after the second,\n * -1 if the first date is before the second or 0 if dates are equal.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the first date to compare\n * @param {Date|Number} dateRight - the second date to compare\n * @returns {Number} the result of the comparison\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // Compare 11 February 1987 and 10 July 1989:\n * const result = compareAsc(new Date(1987, 1, 11), new Date(1989, 6, 10))\n * //=> -1\n *\n * @example\n * // Sort the array of dates:\n * const result = [\n * new Date(1995, 6, 2),\n * new Date(1987, 1, 11),\n * new Date(1989, 6, 10)\n * ].sort(compareAsc)\n * //=> [\n * // Wed Feb 11 1987 00:00:00,\n * // Mon Jul 10 1989 00:00:00,\n * // Sun Jul 02 1995 00:00:00\n * // ]\n */\n\nexport default function compareAsc(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var dateLeft = toDate(dirtyDateLeft);\n var dateRight = toDate(dirtyDateRight);\n var diff = dateLeft.getTime() - dateRight.getTime();\n\n if (diff < 0) {\n return -1;\n } else if (diff > 0) {\n return 1; // Return 0 if diff is 0; return NaN if diff is NaN\n } else {\n return diff;\n }\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name endOfDay\n * @category Day Helpers\n * @summary Return the end of a day for the given date.\n *\n * @description\n * Return the end of a day for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the end of a day\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The end of a day for 2 September 2014 11:55:00:\n * const result = endOfDay(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Tue Sep 02 2014 23:59:59.999\n */\n\nexport default function endOfDay(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n date.setHours(23, 59, 59, 999);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name endOfMonth\n * @category Month Helpers\n * @summary Return the end of a month for the given date.\n *\n * @description\n * Return the end of a month for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the end of a month\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The end of a month for 2 September 2014 11:55:00:\n * const result = endOfMonth(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Tue Sep 30 2014 23:59:59.999\n */\n\nexport default function endOfMonth(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n var month = date.getMonth();\n date.setFullYear(date.getFullYear(), month + 1, 0);\n date.setHours(23, 59, 59, 999);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport endOfDay from \"../endOfDay/index.js\";\nimport endOfMonth from \"../endOfMonth/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name isLastDayOfMonth\n * @category Month Helpers\n * @summary Is the given date the last day of a month?\n *\n * @description\n * Is the given date the last day of a month?\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to check\n * @returns {Boolean} the date is the last day of a month\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // Is 28 February 2014 the last day of a month?\n * var result = isLastDayOfMonth(new Date(2014, 1, 28))\n * //=> true\n */\n\nexport default function isLastDayOfMonth(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n return endOfDay(date).getTime() === endOfMonth(date).getTime();\n}","import toDate from \"../toDate/index.js\";\nimport differenceInCalendarMonths from \"../differenceInCalendarMonths/index.js\";\nimport compareAsc from \"../compareAsc/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\nimport isLastDayOfMonth from \"../isLastDayOfMonth/index.js\";\n/**\n * @name differenceInMonths\n * @category Month Helpers\n * @summary Get the number of full months between the given dates.\n *\n * @description\n * Get the number of full months between the given dates.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of full months\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many full months are between 31 January 2014 and 1 September 2014?\n * var result = differenceInMonths(new Date(2014, 8, 1), new Date(2014, 0, 31))\n * //=> 7\n */\n\nexport default function differenceInMonths(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var dateLeft = toDate(dirtyDateLeft);\n var dateRight = toDate(dirtyDateRight);\n var sign = compareAsc(dateLeft, dateRight);\n var difference = Math.abs(differenceInCalendarMonths(dateLeft, dateRight));\n var result; // Check for the difference of less than month\n\n if (difference < 1) {\n result = 0;\n } else {\n if (dateLeft.getMonth() === 1 && dateLeft.getDate() > 27) {\n // This will check if the date is end of Feb and assign a higher end of month date\n // to compare it with Jan\n dateLeft.setDate(30);\n }\n\n dateLeft.setMonth(dateLeft.getMonth() - sign * difference); // Math.abs(diff in full months - diff in calendar months) === 1 if last calendar month is not full\n // If so, result must be decreased by 1 in absolute value\n\n var isLastMonthNotFull = compareAsc(dateLeft, dateRight) === -sign; // Check for cases of one full calendar month\n\n if (isLastDayOfMonth(toDate(dirtyDateLeft)) && difference === 1 && compareAsc(dirtyDateLeft, dateRight) === 1) {\n isLastMonthNotFull = false;\n }\n\n result = sign * (difference - Number(isLastMonthNotFull));\n } // Prevent negative zero\n\n\n return result === 0 ? 0 : result;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name differenceInCalendarYears\n * @category Year Helpers\n * @summary Get the number of calendar years between the given dates.\n *\n * @description\n * Get the number of calendar years between the given dates.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of calendar years\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many calendar years are between 31 December 2013 and 11 February 2015?\n * const result = differenceInCalendarYears(\n * new Date(2015, 1, 11),\n * new Date(2013, 11, 31)\n * )\n * //=> 2\n */\n\nexport default function differenceInCalendarYears(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var dateLeft = toDate(dirtyDateLeft);\n var dateRight = toDate(dirtyDateRight);\n return dateLeft.getFullYear() - dateRight.getFullYear();\n}","import toDate from \"../toDate/index.js\";\nimport toInteger from \"../_lib/toInteger/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name startOfWeek\n * @category Week Helpers\n * @summary Return the start of a week for the given date.\n *\n * @description\n * Return the start of a week for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @param {Object} [options] - an object with options.\n * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}\n * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)\n * @returns {Date} the start of a week\n * @throws {TypeError} 1 argument required\n * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6\n *\n * @example\n * // The start of a week for 2 September 2014 11:55:00:\n * const result = startOfWeek(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Sun Aug 31 2014 00:00:00\n *\n * @example\n * // If the week starts on Monday, the start of the week for 2 September 2014 11:55:00:\n * const result = startOfWeek(new Date(2014, 8, 2, 11, 55, 0), { weekStartsOn: 1 })\n * //=> Mon Sep 01 2014 00:00:00\n */\n\nexport default function startOfWeek(dirtyDate, dirtyOptions) {\n requiredArgs(1, arguments);\n var options = dirtyOptions || {};\n var locale = options.locale;\n var localeWeekStartsOn = locale && locale.options && locale.options.weekStartsOn;\n var defaultWeekStartsOn = localeWeekStartsOn == null ? 0 : toInteger(localeWeekStartsOn);\n var weekStartsOn = options.weekStartsOn == null ? defaultWeekStartsOn : toInteger(options.weekStartsOn); // Test if weekStartsOn is between 0 and 6 _and_ is not NaN\n\n if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {\n throw new RangeError('weekStartsOn must be between 0 and 6 inclusively');\n }\n\n var date = toDate(dirtyDate);\n var day = date.getDay();\n var diff = (day < weekStartsOn ? 7 : 0) + day - weekStartsOn;\n date.setDate(date.getDate() - diff);\n date.setHours(0, 0, 0, 0);\n return date;\n}","function _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n/*!\n * chartjs-adapter-date-fns v2.0.0\n * https://www.chartjs.org\n * (c) 2021 chartjs-adapter-date-fns Contributors\n * Released under the MIT license\n */\nimport { _adapters } from 'chart.js';\nimport { toDate, parse as _parse, parseISO, isValid, format as _format, addYears, addQuarters, addMonths, addWeeks, addDays, addHours, addMinutes, addSeconds, addMilliseconds, differenceInYears, differenceInQuarters, differenceInMonths, differenceInWeeks, differenceInDays, differenceInHours, differenceInMinutes, differenceInSeconds, differenceInMilliseconds, startOfYear, startOfQuarter, startOfMonth, startOfWeek, startOfDay, startOfHour, startOfMinute, startOfSecond, endOfYear, endOfQuarter, endOfMonth, endOfWeek, endOfDay, endOfHour, endOfMinute, endOfSecond } from 'date-fns';\nvar FORMATS = {\n datetime: 'MMM d, yyyy, h:mm:ss aaaa',\n millisecond: 'h:mm:ss.SSS aaaa',\n second: 'h:mm:ss aaaa',\n minute: 'h:mm aaaa',\n hour: 'ha',\n day: 'MMM d',\n week: 'PP',\n month: 'MMM yyyy',\n quarter: 'qqq - yyyy',\n year: 'yyyy'\n};\n\n_adapters._date.override({\n _id: 'date-fns',\n // DEBUG\n formats: function formats() {\n return FORMATS;\n },\n parse: function parse(value, fmt) {\n if (value === null || typeof value === 'undefined') {\n return null;\n }\n\n var type = _typeof(value);\n\n if (type === 'number' || value instanceof Date) {\n value = toDate(value);\n } else if (type === 'string') {\n if (typeof fmt === 'string') {\n value = _parse(value, fmt, new Date(), this.options);\n } else {\n value = parseISO(value, this.options);\n }\n }\n\n return isValid(value) ? value.getTime() : null;\n },\n format: function format(time, fmt) {\n return _format(time, fmt, this.options);\n },\n add: function add(time, amount, unit) {\n switch (unit) {\n case 'millisecond':\n return addMilliseconds(time, amount);\n\n case 'second':\n return addSeconds(time, amount);\n\n case 'minute':\n return addMinutes(time, amount);\n\n case 'hour':\n return addHours(time, amount);\n\n case 'day':\n return addDays(time, amount);\n\n case 'week':\n return addWeeks(time, amount);\n\n case 'month':\n return addMonths(time, amount);\n\n case 'quarter':\n return addQuarters(time, amount);\n\n case 'year':\n return addYears(time, amount);\n\n default:\n return time;\n }\n },\n diff: function diff(max, min, unit) {\n switch (unit) {\n case 'millisecond':\n return differenceInMilliseconds(max, min);\n\n case 'second':\n return differenceInSeconds(max, min);\n\n case 'minute':\n return differenceInMinutes(max, min);\n\n case 'hour':\n return differenceInHours(max, min);\n\n case 'day':\n return differenceInDays(max, min);\n\n case 'week':\n return differenceInWeeks(max, min);\n\n case 'month':\n return differenceInMonths(max, min);\n\n case 'quarter':\n return differenceInQuarters(max, min);\n\n case 'year':\n return differenceInYears(max, min);\n\n default:\n return 0;\n }\n },\n startOf: function startOf(time, unit, weekday) {\n switch (unit) {\n case 'second':\n return startOfSecond(time);\n\n case 'minute':\n return startOfMinute(time);\n\n case 'hour':\n return startOfHour(time);\n\n case 'day':\n return startOfDay(time);\n\n case 'week':\n return startOfWeek(time);\n\n case 'isoWeek':\n return startOfWeek(time, {\n weekStartsOn: +weekday\n });\n\n case 'month':\n return startOfMonth(time);\n\n case 'quarter':\n return startOfQuarter(time);\n\n case 'year':\n return startOfYear(time);\n\n default:\n return time;\n }\n },\n endOf: function endOf(time, unit) {\n switch (unit) {\n case 'second':\n return endOfSecond(time);\n\n case 'minute':\n return endOfMinute(time);\n\n case 'hour':\n return endOfHour(time);\n\n case 'day':\n return endOfDay(time);\n\n case 'week':\n return endOfWeek(time);\n\n case 'month':\n return endOfMonth(time);\n\n case 'quarter':\n return endOfQuarter(time);\n\n case 'year':\n return endOfYear(time);\n\n default:\n return time;\n }\n }\n});","import toInteger from \"../_lib/toInteger/index.js\";\nimport addMilliseconds from \"../addMilliseconds/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name addSeconds\n * @category Second Helpers\n * @summary Add the specified number of seconds to the given date.\n *\n * @description\n * Add the specified number of seconds to the given date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} amount - the amount of seconds to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.\n * @returns {Date} the new date with the seconds added\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // Add 30 seconds to 10 July 2014 12:45:00:\n * const result = addSeconds(new Date(2014, 6, 10, 12, 45, 0), 30)\n * //=> Thu Jul 10 2014 12:45:30\n */\n\nexport default function addSeconds(dirtyDate, dirtyAmount) {\n requiredArgs(2, arguments);\n var amount = toInteger(dirtyAmount);\n return addMilliseconds(dirtyDate, amount * 1000);\n}","import toInteger from \"../_lib/toInteger/index.js\";\nimport addMilliseconds from \"../addMilliseconds/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\nvar MILLISECONDS_IN_MINUTE = 60000;\n/**\n * @name addMinutes\n * @category Minute Helpers\n * @summary Add the specified number of minutes to the given date.\n *\n * @description\n * Add the specified number of minutes to the given date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} amount - the amount of minutes to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.\n * @returns {Date} the new date with the minutes added\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // Add 30 minutes to 10 July 2014 12:00:00:\n * const result = addMinutes(new Date(2014, 6, 10, 12, 0), 30)\n * //=> Thu Jul 10 2014 12:30:00\n */\n\nexport default function addMinutes(dirtyDate, dirtyAmount) {\n requiredArgs(2, arguments);\n var amount = toInteger(dirtyAmount);\n return addMilliseconds(dirtyDate, amount * MILLISECONDS_IN_MINUTE);\n}","import toInteger from \"../_lib/toInteger/index.js\";\nimport addMilliseconds from \"../addMilliseconds/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\nvar MILLISECONDS_IN_HOUR = 3600000;\n/**\n * @name addHours\n * @category Hour Helpers\n * @summary Add the specified number of hours to the given date.\n *\n * @description\n * Add the specified number of hours to the given date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} amount - the amount of hours to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.\n * @returns {Date} the new date with the hours added\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // Add 2 hours to 10 July 2014 23:00:00:\n * const result = addHours(new Date(2014, 6, 10, 23, 0), 2)\n * //=> Fri Jul 11 2014 01:00:00\n */\n\nexport default function addHours(dirtyDate, dirtyAmount) {\n requiredArgs(2, arguments);\n var amount = toInteger(dirtyAmount);\n return addMilliseconds(dirtyDate, amount * MILLISECONDS_IN_HOUR);\n}","import toInteger from \"../_lib/toInteger/index.js\";\nimport addDays from \"../addDays/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name addWeeks\n * @category Week Helpers\n * @summary Add the specified number of weeks to the given date.\n *\n * @description\n * Add the specified number of week to the given date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} amount - the amount of weeks to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.\n * @returns {Date} the new date with the weeks added\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // Add 4 weeks to 1 September 2014:\n * const result = addWeeks(new Date(2014, 8, 1), 4)\n * //=> Mon Sep 29 2014 00:00:00\n */\n\nexport default function addWeeks(dirtyDate, dirtyAmount) {\n requiredArgs(2, arguments);\n var amount = toInteger(dirtyAmount);\n var days = amount * 7;\n return addDays(dirtyDate, days);\n}","import toInteger from \"../_lib/toInteger/index.js\";\nimport addMonths from \"../addMonths/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name addQuarters\n * @category Quarter Helpers\n * @summary Add the specified number of year quarters to the given date.\n *\n * @description\n * Add the specified number of year quarters to the given date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} amount - the amount of quarters to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.\n * @returns {Date} the new date with the quarters added\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // Add 1 quarter to 1 September 2014:\n * const result = addQuarters(new Date(2014, 8, 1), 1)\n * //=> Mon Dec 01 2014 00:00:00\n */\n\nexport default function addQuarters(dirtyDate, dirtyAmount) {\n requiredArgs(2, arguments);\n var amount = toInteger(dirtyAmount);\n var months = amount * 3;\n return addMonths(dirtyDate, months);\n}","import toInteger from \"../_lib/toInteger/index.js\";\nimport addMonths from \"../addMonths/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name addYears\n * @category Year Helpers\n * @summary Add the specified number of years to the given date.\n *\n * @description\n * Add the specified number of years to the given date.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the date to be changed\n * @param {Number} amount - the amount of years to be added. Positive decimals will be rounded using `Math.floor`, decimals less than zero will be rounded using `Math.ceil`.\n * @returns {Date} the new date with the years added\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // Add 5 years to 1 September 2014:\n * const result = addYears(new Date(2014, 8, 1), 5)\n * //=> Sun Sep 01 2019 00:00:00\n */\n\nexport default function addYears(dirtyDate, dirtyAmount) {\n requiredArgs(2, arguments);\n var amount = toInteger(dirtyAmount);\n return addMonths(dirtyDate, amount * 12);\n}","import differenceInMilliseconds from \"../differenceInMilliseconds/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name differenceInSeconds\n * @category Second Helpers\n * @summary Get the number of seconds between the given dates.\n *\n * @description\n * Get the number of seconds between the given dates.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of seconds\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many seconds are between\n * // 2 July 2014 12:30:07.999 and 2 July 2014 12:30:20.000?\n * const result = differenceInSeconds(\n * new Date(2014, 6, 2, 12, 30, 20, 0),\n * new Date(2014, 6, 2, 12, 30, 7, 999)\n * )\n * //=> 12\n */\n\nexport default function differenceInSeconds(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var diff = differenceInMilliseconds(dirtyDateLeft, dirtyDateRight) / 1000;\n return diff > 0 ? Math.floor(diff) : Math.ceil(diff);\n}","import differenceInMilliseconds from \"../differenceInMilliseconds/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\nvar MILLISECONDS_IN_MINUTE = 60000;\n/**\n * @name differenceInMinutes\n * @category Minute Helpers\n * @summary Get the number of minutes between the given dates.\n *\n * @description\n * Get the signed number of full (rounded towards 0) minutes between the given dates.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of minutes\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many minutes are between 2 July 2014 12:07:59 and 2 July 2014 12:20:00?\n * var result = differenceInMinutes(\n * new Date(2014, 6, 2, 12, 20, 0),\n * new Date(2014, 6, 2, 12, 7, 59)\n * )\n * //=> 12\n *\n * @example\n * // How many minutes are from 10:01:59 to 10:00:00\n * var result = differenceInMinutes(\n * new Date(2000, 0, 1, 10, 0, 0),\n * new Date(2000, 0, 1, 10, 1, 59)\n * )\n * //=> -1\n */\n\nexport default function differenceInMinutes(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var diff = differenceInMilliseconds(dirtyDateLeft, dirtyDateRight) / MILLISECONDS_IN_MINUTE;\n return diff > 0 ? Math.floor(diff) : Math.ceil(diff);\n}","import differenceInMilliseconds from \"../differenceInMilliseconds/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\nvar MILLISECONDS_IN_HOUR = 3600000;\n/**\n * @name differenceInHours\n * @category Hour Helpers\n * @summary Get the number of hours between the given dates.\n *\n * @description\n * Get the number of hours between the given dates.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of hours\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many hours are between 2 July 2014 06:50:00 and 2 July 2014 19:00:00?\n * var result = differenceInHours(\n * new Date(2014, 6, 2, 19, 0),\n * new Date(2014, 6, 2, 6, 50)\n * )\n * //=> 12\n */\n\nexport default function differenceInHours(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var diff = differenceInMilliseconds(dirtyDateLeft, dirtyDateRight) / MILLISECONDS_IN_HOUR;\n return diff > 0 ? Math.floor(diff) : Math.ceil(diff);\n}","import differenceInDays from \"../differenceInDays/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name differenceInWeeks\n * @category Week Helpers\n * @summary Get the number of full weeks between the given dates.\n *\n * @description\n * Get the number of full weeks between two dates. Fractional weeks are\n * truncated towards zero.\n *\n * One \"full week\" is the distance between a local time in one day to the same\n * local time 7 days earlier or later. A full week can sometimes be less than\n * or more than 7*24 hours if a daylight savings change happens between two dates.\n *\n * To ignore DST and only measure exact 7*24-hour periods, use this instead:\n * `Math.floor(differenceInHours(dateLeft, dateRight)/(7*24))|0`.\n *\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of full weeks\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many full weeks are between 5 July 2014 and 20 July 2014?\n * const result = differenceInWeeks(new Date(2014, 6, 20), new Date(2014, 6, 5))\n * //=> 2\n *\n * // How many full weeks are between\n * // 1 March 2020 0:00 and 6 June 2020 0:00 ?\n * // Note: because local time is used, the\n * // result will always be 8 weeks (54 days),\n * // even if DST starts and the period has\n * // only 54*24-1 hours.\n * const result = differenceInWeeks(\n * new Date(2020, 5, 1),\n * new Date(2020, 2, 6)\n * )\n * //=> 8\n */\n\nexport default function differenceInWeeks(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var diff = differenceInDays(dirtyDateLeft, dirtyDateRight) / 7;\n return diff > 0 ? Math.floor(diff) : Math.ceil(diff);\n}","import differenceInMonths from \"../differenceInMonths/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name differenceInQuarters\n * @category Quarter Helpers\n * @summary Get the number of full quarters between the given dates.\n *\n * @description\n * Get the number of full quarters between the given dates.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of full quarters\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many full quarters are between 31 December 2013 and 2 July 2014?\n * var result = differenceInQuarters(new Date(2014, 6, 2), new Date(2013, 11, 31))\n * //=> 2\n */\n\nexport default function differenceInQuarters(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var diff = differenceInMonths(dirtyDateLeft, dirtyDateRight) / 3;\n return diff > 0 ? Math.floor(diff) : Math.ceil(diff);\n}","import toDate from \"../toDate/index.js\";\nimport differenceInCalendarYears from \"../differenceInCalendarYears/index.js\";\nimport compareAsc from \"../compareAsc/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name differenceInYears\n * @category Year Helpers\n * @summary Get the number of full years between the given dates.\n *\n * @description\n * Get the number of full years between the given dates.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} dateLeft - the later date\n * @param {Date|Number} dateRight - the earlier date\n * @returns {Number} the number of full years\n * @throws {TypeError} 2 arguments required\n *\n * @example\n * // How many full years are between 31 December 2013 and 11 February 2015?\n * const result = differenceInYears(new Date(2015, 1, 11), new Date(2013, 11, 31))\n * //=> 1\n */\n\nexport default function differenceInYears(dirtyDateLeft, dirtyDateRight) {\n requiredArgs(2, arguments);\n var dateLeft = toDate(dirtyDateLeft);\n var dateRight = toDate(dirtyDateRight);\n var sign = compareAsc(dateLeft, dateRight);\n var difference = Math.abs(differenceInCalendarYears(dateLeft, dateRight)); // Set both dates to a valid leap year for accurate comparison when dealing\n // with leap days\n\n dateLeft.setFullYear(1584);\n dateRight.setFullYear(1584); // Math.abs(diff in full years - diff in calendar years) === 1 if last calendar year is not full\n // If so, result must be decreased by 1 in absolute value\n\n var isLastYearNotFull = compareAsc(dateLeft, dateRight) === -sign;\n var result = sign * (difference - Number(isLastYearNotFull)); // Prevent negative zero\n\n return result === 0 ? 0 : result;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name startOfSecond\n * @category Second Helpers\n * @summary Return the start of a second for the given date.\n *\n * @description\n * Return the start of a second for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the start of a second\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The start of a second for 1 December 2014 22:15:45.400:\n * const result = startOfSecond(new Date(2014, 11, 1, 22, 15, 45, 400))\n * //=> Mon Dec 01 2014 22:15:45.000\n */\n\nexport default function startOfSecond(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n date.setMilliseconds(0);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name startOfMinute\n * @category Minute Helpers\n * @summary Return the start of a minute for the given date.\n *\n * @description\n * Return the start of a minute for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the start of a minute\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The start of a minute for 1 December 2014 22:15:45.400:\n * const result = startOfMinute(new Date(2014, 11, 1, 22, 15, 45, 400))\n * //=> Mon Dec 01 2014 22:15:00\n */\n\nexport default function startOfMinute(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n date.setSeconds(0, 0);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name startOfHour\n * @category Hour Helpers\n * @summary Return the start of an hour for the given date.\n *\n * @description\n * Return the start of an hour for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the start of an hour\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The start of an hour for 2 September 2014 11:55:00:\n * const result = startOfHour(new Date(2014, 8, 2, 11, 55))\n * //=> Tue Sep 02 2014 11:00:00\n */\n\nexport default function startOfHour(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n date.setMinutes(0, 0, 0);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name startOfMonth\n * @category Month Helpers\n * @summary Return the start of a month for the given date.\n *\n * @description\n * Return the start of a month for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the start of a month\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The start of a month for 2 September 2014 11:55:00:\n * const result = startOfMonth(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Mon Sep 01 2014 00:00:00\n */\n\nexport default function startOfMonth(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n date.setDate(1);\n date.setHours(0, 0, 0, 0);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name startOfQuarter\n * @category Quarter Helpers\n * @summary Return the start of a year quarter for the given date.\n *\n * @description\n * Return the start of a year quarter for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the start of a quarter\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The start of a quarter for 2 September 2014 11:55:00:\n * const result = startOfQuarter(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Tue Jul 01 2014 00:00:00\n */\n\nexport default function startOfQuarter(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n var currentMonth = date.getMonth();\n var month = currentMonth - currentMonth % 3;\n date.setMonth(month, 1);\n date.setHours(0, 0, 0, 0);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name startOfYear\n * @category Year Helpers\n * @summary Return the start of a year for the given date.\n *\n * @description\n * Return the start of a year for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the start of a year\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The start of a year for 2 September 2014 11:55:00:\n * const result = startOfYear(new Date(2014, 8, 2, 11, 55, 00))\n * //=> Wed Jan 01 2014 00:00:00\n */\n\nexport default function startOfYear(dirtyDate) {\n requiredArgs(1, arguments);\n var cleanDate = toDate(dirtyDate);\n var date = new Date(0);\n date.setFullYear(cleanDate.getFullYear(), 0, 1);\n date.setHours(0, 0, 0, 0);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name endOfSecond\n * @category Second Helpers\n * @summary Return the end of a second for the given date.\n *\n * @description\n * Return the end of a second for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the end of a second\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The end of a second for 1 December 2014 22:15:45.400:\n * const result = endOfSecond(new Date(2014, 11, 1, 22, 15, 45, 400))\n * //=> Mon Dec 01 2014 22:15:45.999\n */\n\nexport default function endOfSecond(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n date.setMilliseconds(999);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name endOfMinute\n * @category Minute Helpers\n * @summary Return the end of a minute for the given date.\n *\n * @description\n * Return the end of a minute for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the end of a minute\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The end of a minute for 1 December 2014 22:15:45.400:\n * const result = endOfMinute(new Date(2014, 11, 1, 22, 15, 45, 400))\n * //=> Mon Dec 01 2014 22:15:59.999\n */\n\nexport default function endOfMinute(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n date.setSeconds(59, 999);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name endOfHour\n * @category Hour Helpers\n * @summary Return the end of an hour for the given date.\n *\n * @description\n * Return the end of an hour for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the end of an hour\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The end of an hour for 2 September 2014 11:55:00:\n * const result = endOfHour(new Date(2014, 8, 2, 11, 55))\n * //=> Tue Sep 02 2014 11:59:59.999\n */\n\nexport default function endOfHour(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n date.setMinutes(59, 59, 999);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport toInteger from \"../_lib/toInteger/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name endOfWeek\n * @category Week Helpers\n * @summary Return the end of a week for the given date.\n *\n * @description\n * Return the end of a week for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @param {Object} [options] - an object with options.\n * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}\n * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)\n * @returns {Date} the end of a week\n * @throws {TypeError} 1 argument required\n * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6\n *\n * @example\n * // The end of a week for 2 September 2014 11:55:00:\n * const result = endOfWeek(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Sat Sep 06 2014 23:59:59.999\n *\n * @example\n * // If the week starts on Monday, the end of the week for 2 September 2014 11:55:00:\n * const result = endOfWeek(new Date(2014, 8, 2, 11, 55, 0), { weekStartsOn: 1 })\n * //=> Sun Sep 07 2014 23:59:59.999\n */\n\nexport default function endOfWeek(dirtyDate, dirtyOptions) {\n requiredArgs(1, arguments);\n var options = dirtyOptions || {};\n var locale = options.locale;\n var localeWeekStartsOn = locale && locale.options && locale.options.weekStartsOn;\n var defaultWeekStartsOn = localeWeekStartsOn == null ? 0 : toInteger(localeWeekStartsOn);\n var weekStartsOn = options.weekStartsOn == null ? defaultWeekStartsOn : toInteger(options.weekStartsOn); // Test if weekStartsOn is between 0 and 6 _and_ is not NaN\n\n if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {\n throw new RangeError('weekStartsOn must be between 0 and 6 inclusively');\n }\n\n var date = toDate(dirtyDate);\n var day = date.getDay();\n var diff = (day < weekStartsOn ? -7 : 0) + 6 - (day - weekStartsOn);\n date.setDate(date.getDate() + diff);\n date.setHours(23, 59, 59, 999);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name endOfQuarter\n * @category Quarter Helpers\n * @summary Return the end of a year quarter for the given date.\n *\n * @description\n * Return the end of a year quarter for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the end of a quarter\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The end of a quarter for 2 September 2014 11:55:00:\n * const result = endOfQuarter(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Tue Sep 30 2014 23:59:59.999\n */\n\nexport default function endOfQuarter(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n var currentMonth = date.getMonth();\n var month = currentMonth - currentMonth % 3 + 3;\n date.setMonth(month, 0);\n date.setHours(23, 59, 59, 999);\n return date;\n}","import toDate from \"../toDate/index.js\";\nimport requiredArgs from \"../_lib/requiredArgs/index.js\";\n/**\n * @name endOfYear\n * @category Year Helpers\n * @summary Return the end of a year for the given date.\n *\n * @description\n * Return the end of a year for the given date.\n * The result will be in the local timezone.\n *\n * ### v2.0.0 breaking changes:\n *\n * - [Changes that are common for the whole library](https://github.com/date-fns/date-fns/blob/master/docs/upgradeGuide.md#Common-Changes).\n *\n * @param {Date|Number} date - the original date\n * @returns {Date} the end of a year\n * @throws {TypeError} 1 argument required\n *\n * @example\n * // The end of a year for 2 September 2014 11:55:00:\n * var result = endOfYear(new Date(2014, 8, 2, 11, 55, 00))\n * //=> Wed Dec 31 2014 23:59:59.999\n */\n\nexport default function endOfYear(dirtyDate) {\n requiredArgs(1, arguments);\n var date = toDate(dirtyDate);\n var year = date.getFullYear();\n date.setFullYear(year + 1, 0, 0);\n date.setHours(23, 59, 59, 999);\n return date;\n}","import Chartkick from \"chartkick\";\nimport Chart from \"chart.js/auto\";\nimport \"chartjs-adapter-date-fns\";\nChartkick.use(Chart);","import * as Trix from \"trix\"\nimport {translations} from \"./trix.translations.js\"\n\nconst lang = translations[document.documentElement.lang]\n\nconst attach_file_buton = `
\n \n `;\n\nTrix.config.toolbar = {\n getDefaultHTML: function() {\n return `\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
\n
\n `\n }\n}","export const translations = { \n es: {\n bold: \"Negrita\",\n bullets: \"Lista\",\n byte: \"Byte\",\n bytes: \"Bytes\",\n captionPlaceholder: \"Añadir título\",\n code: \"Código\",\n heading1: \"Encabezado 1\",\n indent: \"Indentar\",\n italic: \"Itálica\",\n link: \"Link\",\n numbers: \"Números\",\n outdent: \"Reducir Intentación\",\n quote: \"Citar\",\n redo: \"Rehacer\",\n remove: \"Eliminar\",\n strike: \"Tachado\",\n undo: \"Deshacer\",\n unlink: \"Quitar Enlace\",\n url: \"URL\",\n urlPlaceholder: \"URL...\",\n GB: \"GB\",\n KB: \"KB\",\n MB: \"MB\",\n PB: \"PB\",\n TB: \"TB\"\n }\n};\n","function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nimport { DirectUpload } from \"@rails/activestorage\";\nexport var AttachmentUpload = /*#__PURE__*/function () {\n function AttachmentUpload(attachment, element) {\n _classCallCheck(this, AttachmentUpload);\n\n this.attachment = attachment;\n this.element = element;\n this.directUpload = new DirectUpload(attachment.file, this.directUploadUrl, this);\n }\n\n _createClass(AttachmentUpload, [{\n key: \"start\",\n value: function start() {\n this.directUpload.create(this.directUploadDidComplete.bind(this));\n }\n }, {\n key: \"directUploadWillStoreFileWithXHR\",\n value: function directUploadWillStoreFileWithXHR(xhr) {\n var _this = this;\n\n xhr.upload.addEventListener(\"progress\", function (event) {\n var progress = event.loaded / event.total * 100;\n\n _this.attachment.setUploadProgress(progress);\n });\n }\n }, {\n key: \"directUploadDidComplete\",\n value: function directUploadDidComplete(error, attributes) {\n if (error) {\n throw new Error(\"Direct upload failed: \".concat(error));\n }\n\n this.attachment.setAttributes({\n sgid: attributes.attachable_sgid,\n url: this.createBlobUrl(attributes.signed_id, attributes.filename)\n });\n }\n }, {\n key: \"createBlobUrl\",\n value: function createBlobUrl(signedId, filename) {\n return this.blobUrlTemplate.replace(\":signed_id\", signedId).replace(\":filename\", encodeURIComponent(filename));\n }\n }, {\n key: \"directUploadUrl\",\n get: function get() {\n return this.element.dataset.directUploadUrl;\n }\n }, {\n key: \"blobUrlTemplate\",\n get: function get() {\n return this.element.dataset.blobUrlTemplate;\n }\n }]);\n\n return AttachmentUpload;\n}();","import { AttachmentUpload } from \"./attachment_upload\";\naddEventListener(\"trix-attachment-add\", function (event) {\n var attachment = event.attachment,\n target = event.target;\n\n if (attachment.file) {\n var upload = new AttachmentUpload(attachment, target);\n upload.start();\n }\n});"],"sourceRoot":""}