;\n\n tooltipPosition(useFinalPosition: boolean): Point {\n const {x, y} = this.getProps(['x', 'y'], useFinalPosition);\n return {x, y} as Point;\n }\n\n hasValue() {\n return isNumber(this.x) && isNumber(this.y);\n }\n\n /**\n * Gets the current or final value of each prop. Can return extra properties (whole object).\n * @param props - properties to get\n * @param [final] - get the final value (animation target)\n */\n getProps(props: P, final?: boolean): Pick;\n getProps(props: P[], final?: boolean): Partial>;\n getProps(props: string[], final?: boolean): Partial> {\n const anims = this.$animations;\n if (!final || !anims) {\n // let's not create an object, if not needed\n return this as Record;\n }\n const ret: Record = {};\n props.forEach((prop) => {\n ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop as string];\n });\n return ret;\n }\n}\n","import {isNullOrUndef, valueOrDefault} from '../helpers/helpers.core.js';\nimport {_factorize} from '../helpers/helpers.math.js';\n\n\n/**\n * @typedef { import('./core.controller.js').default } Chart\n * @typedef {{value:number | string, label?:string, major?:boolean, $context?:any}} Tick\n */\n\n/**\n * Returns a subset of ticks to be plotted to avoid overlapping labels.\n * @param {import('./core.scale.js').default} scale\n * @param {Tick[]} ticks\n * @return {Tick[]}\n * @private\n */\nexport function autoSkip(scale, ticks) {\n const tickOpts = scale.options.ticks;\n const determinedMaxTicks = determineMaxTicks(scale);\n const ticksLimit = Math.min(tickOpts.maxTicksLimit || determinedMaxTicks, determinedMaxTicks);\n const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : [];\n const numMajorIndices = majorIndices.length;\n const first = majorIndices[0];\n const last = majorIndices[numMajorIndices - 1];\n const newTicks = [];\n\n // If there are too many major ticks to display them all\n if (numMajorIndices > ticksLimit) {\n skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit);\n return newTicks;\n }\n\n const spacing = calculateSpacing(majorIndices, ticks, ticksLimit);\n\n if (numMajorIndices > 0) {\n let i, ilen;\n const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null;\n skip(ticks, newTicks, spacing, isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first);\n for (i = 0, ilen = numMajorIndices - 1; i < ilen; i++) {\n skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]);\n }\n skip(ticks, newTicks, spacing, last, isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing);\n return newTicks;\n }\n skip(ticks, newTicks, spacing);\n return newTicks;\n}\n\nfunction determineMaxTicks(scale) {\n const offset = scale.options.offset;\n const tickLength = scale._tickSize();\n const maxScale = scale._length / tickLength + (offset ? 0 : 1);\n const maxChart = scale._maxLength / tickLength;\n return Math.floor(Math.min(maxScale, maxChart));\n}\n\n/**\n * @param {number[]} majorIndices\n * @param {Tick[]} ticks\n * @param {number} ticksLimit\n */\nfunction calculateSpacing(majorIndices, ticks, ticksLimit) {\n const evenMajorSpacing = getEvenSpacing(majorIndices);\n const spacing = ticks.length / ticksLimit;\n\n // If the major ticks are evenly spaced apart, place the minor ticks\n // so that they divide the major ticks into even chunks\n if (!evenMajorSpacing) {\n return Math.max(spacing, 1);\n }\n\n const factors = _factorize(evenMajorSpacing);\n for (let i = 0, ilen = factors.length - 1; i < ilen; i++) {\n const factor = factors[i];\n if (factor > spacing) {\n return factor;\n }\n }\n return Math.max(spacing, 1);\n}\n\n/**\n * @param {Tick[]} ticks\n */\nfunction getMajorIndices(ticks) {\n const result = [];\n let i, ilen;\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n if (ticks[i].major) {\n result.push(i);\n }\n }\n return result;\n}\n\n/**\n * @param {Tick[]} ticks\n * @param {Tick[]} newTicks\n * @param {number[]} majorIndices\n * @param {number} spacing\n */\nfunction skipMajors(ticks, newTicks, majorIndices, spacing) {\n let count = 0;\n let next = majorIndices[0];\n let i;\n\n spacing = Math.ceil(spacing);\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\n/**\n * @param {Tick[]} ticks\n * @param {Tick[]} newTicks\n * @param {number} spacing\n * @param {number} [majorStart]\n * @param {number} [majorEnd]\n */\nfunction skip(ticks, newTicks, spacing, majorStart, majorEnd) {\n const start = valueOrDefault(majorStart, 0);\n const end = Math.min(valueOrDefault(majorEnd, ticks.length), ticks.length);\n let count = 0;\n let length, i, next;\n\n spacing = Math.ceil(spacing);\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\n\n/**\n * @param {number[]} arr\n */\nfunction getEvenSpacing(arr) {\n const len = arr.length;\n let 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 return diff;\n}\n","import Element from './core.element.js';\nimport {_alignPixel, _measureText, renderText, clipArea, unclipArea} from '../helpers/helpers.canvas.js';\nimport {callback as call, each, finiteOrDefault, isArray, isFinite, isNullOrUndef, isObject, valueOrDefault} from '../helpers/helpers.core.js';\nimport {toDegrees, toRadians, _int16Range, _limitValue, HALF_PI} from '../helpers/helpers.math.js';\nimport {_alignStartEnd, _toLeftRightCenter} from '../helpers/helpers.extras.js';\nimport {createContext, toFont, toPadding, _addGrace} from '../helpers/helpers.options.js';\nimport {autoSkip} from './core.scale.autoskip.js';\n\nconst reverseAlign = (align) => align === 'left' ? 'right' : align === 'right' ? 'left' : align;\nconst offsetFromEdge = (scale, edge, offset) => edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset;\nconst getTicksLimit = (ticksLength, maxTicksLimit) => Math.min(maxTicksLimit || ticksLength, ticksLength);\n\n/**\n * @typedef { import('../types/index.js').Chart } Chart\n * @typedef {{value:number | string, label?:string, major?:boolean, $context?:any}} Tick\n */\n\n/**\n * Returns a new array containing numItems from arr\n * @param {any[]} arr\n * @param {number} numItems\n */\nfunction sample(arr, numItems) {\n const result = [];\n const increment = arr.length / numItems;\n const len = arr.length;\n let i = 0;\n\n for (; i < len; i += increment) {\n result.push(arr[Math.floor(i)]);\n }\n return result;\n}\n\n/**\n * @param {Scale} scale\n * @param {number} index\n * @param {boolean} offsetGridLines\n */\nfunction getPixelForGridLine(scale, index, offsetGridLines) {\n const length = scale.ticks.length;\n const validIndex = Math.min(index, length - 1);\n const start = scale._startPixel;\n const end = scale._endPixel;\n const epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error.\n let lineValue = scale.getPixelForTick(validIndex);\n let 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 lineValue += validIndex < index ? offset : -offset;\n\n // Return undefined if the pixel is out of the range\n if (lineValue < start - epsilon || lineValue > end + epsilon) {\n return;\n }\n }\n return lineValue;\n}\n\n/**\n * @param {object} caches\n * @param {number} length\n */\nfunction garbageCollect(caches, length) {\n each(caches, (cache) => {\n const gc = cache.gc;\n const gcLen = gc.length / 2;\n let i;\n if (gcLen > length) {\n for (i = 0; i < gcLen; ++i) {\n delete cache.data[gc[i]];\n }\n gc.splice(0, gcLen);\n }\n });\n}\n\n/**\n * @param {object} options\n */\nfunction getTickMarkLength(options) {\n return options.drawTicks ? options.tickLength : 0;\n}\n\n/**\n * @param {object} options\n */\nfunction getTitleHeight(options, fallback) {\n if (!options.display) {\n return 0;\n }\n\n const font = toFont(options.font, fallback);\n const padding = toPadding(options.padding);\n const lines = isArray(options.text) ? options.text.length : 1;\n\n return (lines * font.lineHeight) + padding.height;\n}\n\nfunction createScaleContext(parent, scale) {\n return createContext(parent, {\n scale,\n type: 'scale'\n });\n}\n\nfunction createTickContext(parent, index, tick) {\n return createContext(parent, {\n tick,\n index,\n type: 'tick'\n });\n}\n\nfunction titleAlign(align, position, reverse) {\n /** @type {CanvasTextAlign} */\n let ret = _toLeftRightCenter(align);\n if ((reverse && position !== 'right') || (!reverse && position === 'right')) {\n ret = reverseAlign(ret);\n }\n return ret;\n}\n\nfunction titleArgs(scale, offset, position, align) {\n const {top, left, bottom, right, chart} = scale;\n const {chartArea, scales} = chart;\n let rotation = 0;\n let maxWidth, titleX, titleY;\n const height = bottom - top;\n const width = right - left;\n\n if (scale.isHorizontal()) {\n titleX = _alignStartEnd(align, left, right);\n\n if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const 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 maxWidth = right - left;\n } else {\n if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const 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 titleY = _alignStartEnd(align, bottom, top);\n rotation = position === 'left' ? -HALF_PI : HALF_PI;\n }\n return {titleX, titleY, maxWidth, rotation};\n}\n\nexport default class Scale extends Element {\n\n // eslint-disable-next-line max-statements\n constructor(cfg) {\n super();\n\n /** @type {string} */\n this.id = cfg.id;\n /** @type {string} */\n this.type = cfg.type;\n /** @type {any} */\n this.options = undefined;\n /** @type {CanvasRenderingContext2D} */\n this.ctx = cfg.ctx;\n /** @type {Chart} */\n this.chart = cfg.chart;\n\n // implements box\n /** @type {number} */\n this.top = undefined;\n /** @type {number} */\n this.bottom = undefined;\n /** @type {number} */\n this.left = undefined;\n /** @type {number} */\n this.right = undefined;\n /** @type {number} */\n this.width = undefined;\n /** @type {number} */\n this.height = undefined;\n this._margins = {\n left: 0,\n right: 0,\n top: 0,\n bottom: 0\n };\n /** @type {number} */\n this.maxWidth = undefined;\n /** @type {number} */\n this.maxHeight = undefined;\n /** @type {number} */\n this.paddingTop = undefined;\n /** @type {number} */\n this.paddingBottom = undefined;\n /** @type {number} */\n this.paddingLeft = undefined;\n /** @type {number} */\n this.paddingRight = undefined;\n\n // scale-specific properties\n /** @type {string=} */\n this.axis = undefined;\n /** @type {number=} */\n this.labelRotation = undefined;\n this.min = undefined;\n this.max = undefined;\n this._range = undefined;\n /** @type {Tick[]} */\n this.ticks = [];\n /** @type {object[]|null} */\n this._gridLineItems = null;\n /** @type {object[]|null} */\n this._labelItems = null;\n /** @type {object|null} */\n this._labelSizes = null;\n this._length = 0;\n this._maxLength = 0;\n this._longestTextCache = {};\n /** @type {number} */\n this._startPixel = undefined;\n /** @type {number} */\n this._endPixel = undefined;\n this._reversePixels = false;\n this._userMax = undefined;\n this._userMin = undefined;\n this._suggestedMax = undefined;\n this._suggestedMin = undefined;\n this._ticksLength = 0;\n this._borderValue = 0;\n this._cache = {};\n this._dataLimitsCached = false;\n this.$context = undefined;\n }\n\n /**\n\t * @param {any} options\n\t * @since 3.0\n\t */\n init(options) {\n this.options = options.setContext(this.getContext());\n\n this.axis = options.axis;\n\n // parse min/max value, so we can properly determine min/max for other scales\n this._userMin = this.parse(options.min);\n this._userMax = this.parse(options.max);\n this._suggestedMin = this.parse(options.suggestedMin);\n this._suggestedMax = this.parse(options.suggestedMax);\n }\n\n /**\n\t * Parse a supported input value to internal representation.\n\t * @param {*} raw\n\t * @param {number} [index]\n\t * @since 3.0\n\t */\n parse(raw, index) { // eslint-disable-line no-unused-vars\n return raw;\n }\n\n /**\n\t * @return {{min: number, max: number, minDefined: boolean, maxDefined: boolean}}\n\t * @protected\n\t * @since 3.0\n\t */\n getUserBounds() {\n let {_userMin, _userMax, _suggestedMin, _suggestedMax} = this;\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: isFinite(_userMin),\n maxDefined: isFinite(_userMax)\n };\n }\n\n /**\n\t * @param {boolean} canStack\n\t * @return {{min: number, max: number}}\n\t * @protected\n\t * @since 3.0\n\t */\n getMinMax(canStack) {\n let {min, max, minDefined, maxDefined} = this.getUserBounds();\n let range;\n\n if (minDefined && maxDefined) {\n return {min, max};\n }\n\n const metas = this.getMatchingVisibleMetas();\n for (let i = 0, ilen = metas.length; i < ilen; ++i) {\n range = metas[i].controller.getMinMax(this, canStack);\n if (!minDefined) {\n min = Math.min(min, range.min);\n }\n if (!maxDefined) {\n max = Math.max(max, range.max);\n }\n }\n\n // Make sure min <= max when only min or max is defined by user and the data is outside that range\n min = maxDefined && min > max ? max : min;\n max = minDefined && min > max ? min : max;\n\n return {\n min: finiteOrDefault(min, finiteOrDefault(max, min)),\n max: finiteOrDefault(max, finiteOrDefault(min, max))\n };\n }\n\n /**\n\t * Get the padding needed for the scale\n\t * @return {{top: number, left: number, bottom: number, right: number}} the necessary padding\n\t * @private\n\t */\n getPadding() {\n return {\n left: this.paddingLeft || 0,\n top: this.paddingTop || 0,\n right: this.paddingRight || 0,\n bottom: this.paddingBottom || 0\n };\n }\n\n /**\n\t * Returns the scale tick objects\n\t * @return {Tick[]}\n\t * @since 2.7\n\t */\n getTicks() {\n return this.ticks;\n }\n\n /**\n\t * @return {string[]}\n\t */\n getLabels() {\n const data = this.chart.data;\n return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || [];\n }\n\n /**\n * @return {import('../types.js').LabelItem[]}\n */\n getLabelItems(chartArea = this.chart.chartArea) {\n const items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea));\n return items;\n }\n\n // When a new layout is created, reset the data limits cache\n beforeLayout() {\n this._cache = {};\n this._dataLimitsCached = false;\n }\n\n // These methods are ordered by lifecycle. Utilities then follow.\n // Any function defined here is inherited by all scale types.\n // Any function can be extended by the scale type\n\n beforeUpdate() {\n call(this.options.beforeUpdate, [this]);\n }\n\n /**\n\t * @param {number} maxWidth - the max width in pixels\n\t * @param {number} maxHeight - the max height in pixels\n\t * @param {{top: number, left: number, bottom: number, right: number}} margins - the space between the edge of the other scales and edge of the chart\n\t * This space comes from two sources:\n\t * - padding - space that's required to show the labels at the edges of the scale\n\t * - thickness of scales or legends in another orientation\n\t */\n update(maxWidth, maxHeight, margins) {\n const {beginAtZero, grace, ticks: tickOpts} = this.options;\n const sampleSize = tickOpts.sampleSize;\n\n // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n this.beforeUpdate();\n\n // Absorb the master measurements\n this.maxWidth = maxWidth;\n this.maxHeight = maxHeight;\n this._margins = margins = Object.assign({\n left: 0,\n right: 0,\n top: 0,\n bottom: 0\n }, margins);\n\n this.ticks = null;\n this._labelSizes = null;\n this._gridLineItems = null;\n this._labelItems = null;\n\n // Dimensions\n this.beforeSetDimensions();\n this.setDimensions();\n this.afterSetDimensions();\n\n this._maxLength = this.isHorizontal()\n ? this.width + margins.left + margins.right\n : this.height + margins.top + margins.bottom;\n\n // Data min/max\n if (!this._dataLimitsCached) {\n this.beforeDataLimits();\n this.determineDataLimits();\n this.afterDataLimits();\n this._range = _addGrace(this, grace, beginAtZero);\n this._dataLimitsCached = true;\n }\n\n this.beforeBuildTicks();\n\n this.ticks = this.buildTicks() || [];\n\n // Allow modification of ticks in callback.\n this.afterBuildTicks();\n\n // Compute tick rotation and fit using a sampled subset of labels\n // We generally don't need to compute the size of every single label for determining scale size\n const samplingEnabled = sampleSize < this.ticks.length;\n this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks);\n\n // configure is called twice, once here, once from core.controller.updateLayout.\n // Here we haven't been positioned yet, but dimensions are correct.\n // Variables set in configure are needed for calculateLabelRotation, and\n // it's ok that coordinates are not correct there, only dimensions matter.\n this.configure();\n\n // Tick Rotation\n this.beforeCalculateLabelRotation();\n this.calculateLabelRotation(); // Preconditions: number of ticks and sizes of largest labels must be calculated beforehand\n this.afterCalculateLabelRotation();\n\n // Auto-skip\n if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) {\n this.ticks = autoSkip(this, this.ticks);\n this._labelSizes = null;\n this.afterAutoSkip();\n }\n\n if (samplingEnabled) {\n // Generate labels using all non-skipped ticks\n this._convertTicksToLabels(this.ticks);\n }\n\n this.beforeFit();\n this.fit(); // Preconditions: label rotation and label sizes must be calculated beforehand\n this.afterFit();\n\n // IMPORTANT: after this point, we consider that `this.ticks` will NEVER change!\n\n this.afterUpdate();\n }\n\n /**\n\t * @protected\n\t */\n configure() {\n let reversePixels = this.options.reverse;\n let startPixel, endPixel;\n\n if (this.isHorizontal()) {\n startPixel = this.left;\n endPixel = this.right;\n } else {\n startPixel = this.top;\n endPixel = this.bottom;\n // by default vertical scales are from bottom to top, so pixels are reversed\n reversePixels = !reversePixels;\n }\n this._startPixel = startPixel;\n this._endPixel = endPixel;\n this._reversePixels = reversePixels;\n this._length = endPixel - startPixel;\n this._alignToPixels = this.options.alignToPixels;\n }\n\n afterUpdate() {\n call(this.options.afterUpdate, [this]);\n }\n\n //\n\n beforeSetDimensions() {\n call(this.options.beforeSetDimensions, [this]);\n }\n setDimensions() {\n // Set the unconstrained dimension before label rotation\n if (this.isHorizontal()) {\n // Reset position before calculating rotation\n this.width = this.maxWidth;\n this.left = 0;\n this.right = this.width;\n } else {\n this.height = this.maxHeight;\n\n // Reset position before calculating rotation\n this.top = 0;\n this.bottom = this.height;\n }\n\n // Reset padding\n this.paddingLeft = 0;\n this.paddingTop = 0;\n this.paddingRight = 0;\n this.paddingBottom = 0;\n }\n afterSetDimensions() {\n call(this.options.afterSetDimensions, [this]);\n }\n\n _callHooks(name) {\n this.chart.notifyPlugins(name, this.getContext());\n call(this.options[name], [this]);\n }\n\n // Data limits\n beforeDataLimits() {\n this._callHooks('beforeDataLimits');\n }\n determineDataLimits() {}\n afterDataLimits() {\n this._callHooks('afterDataLimits');\n }\n\n //\n beforeBuildTicks() {\n this._callHooks('beforeBuildTicks');\n }\n /**\n\t * @return {object[]} the ticks\n\t */\n buildTicks() {\n return [];\n }\n afterBuildTicks() {\n this._callHooks('afterBuildTicks');\n }\n\n beforeTickToLabelConversion() {\n call(this.options.beforeTickToLabelConversion, [this]);\n }\n /**\n\t * Convert ticks to label strings\n\t * @param {Tick[]} ticks\n\t */\n generateTickLabels(ticks) {\n const tickOpts = this.options.ticks;\n let i, ilen, tick;\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n tick = ticks[i];\n tick.label = call(tickOpts.callback, [tick.value, i, ticks], this);\n }\n }\n afterTickToLabelConversion() {\n call(this.options.afterTickToLabelConversion, [this]);\n }\n\n //\n\n beforeCalculateLabelRotation() {\n call(this.options.beforeCalculateLabelRotation, [this]);\n }\n calculateLabelRotation() {\n const options = this.options;\n const tickOpts = options.ticks;\n const numTicks = getTicksLimit(this.ticks.length, options.ticks.maxTicksLimit);\n const minRotation = tickOpts.minRotation || 0;\n const maxRotation = tickOpts.maxRotation;\n let labelRotation = minRotation;\n let tickWidth, maxHeight, maxLabelDiagonal;\n\n if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) {\n this.labelRotation = minRotation;\n return;\n }\n\n const labelSizes = this._getLabelSizes();\n const maxLabelWidth = labelSizes.widest.width;\n const maxLabelHeight = labelSizes.highest.height;\n\n // Estimate the width of each grid based on the canvas width, the maximum\n // label width and the number of tick intervals\n const maxWidth = _limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth);\n tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1);\n\n // Allow 3 pixels x2 padding either side for label readability\n if (maxLabelWidth + 6 > tickWidth) {\n tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1));\n maxHeight = this.maxHeight - getTickMarkLength(options.grid)\n\t\t\t\t- tickOpts.padding - getTitleHeight(options.title, this.chart.options.font);\n maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight);\n labelRotation = toDegrees(Math.min(\n Math.asin(_limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)),\n Math.asin(_limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(_limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1))\n ));\n labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation));\n }\n\n this.labelRotation = labelRotation;\n }\n afterCalculateLabelRotation() {\n call(this.options.afterCalculateLabelRotation, [this]);\n }\n afterAutoSkip() {}\n\n //\n\n beforeFit() {\n call(this.options.beforeFit, [this]);\n }\n fit() {\n // Reset\n const minSize = {\n width: 0,\n height: 0\n };\n\n const {chart, options: {ticks: tickOpts, title: titleOpts, grid: gridOpts}} = this;\n const display = this._isVisible();\n const isHorizontal = this.isHorizontal();\n\n if (display) {\n const titleHeight = getTitleHeight(titleOpts, chart.options.font);\n if (isHorizontal) {\n minSize.width = this.maxWidth;\n minSize.height = getTickMarkLength(gridOpts) + titleHeight;\n } else {\n minSize.height = this.maxHeight; // fill all the height\n minSize.width = getTickMarkLength(gridOpts) + titleHeight;\n }\n\n // Don't bother fitting the ticks if we are not showing the labels\n if (tickOpts.display && this.ticks.length) {\n const {first, last, widest, highest} = this._getLabelSizes();\n const tickPadding = tickOpts.padding * 2;\n const angleRadians = toRadians(this.labelRotation);\n const cos = Math.cos(angleRadians);\n const sin = Math.sin(angleRadians);\n\n if (isHorizontal) {\n // A horizontal axis is more constrained by the height.\n const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height;\n minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding);\n } else {\n // A vertical axis is more constrained by the width. Labels are the\n // dominant factor here, so get that length first and account for padding\n const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height;\n\n minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding);\n }\n this._calculatePadding(first, last, sin, cos);\n }\n }\n\n this._handleMargins();\n\n if (isHorizontal) {\n this.width = this._length = chart.width - this._margins.left - this._margins.right;\n this.height = minSize.height;\n } else {\n this.width = minSize.width;\n this.height = this._length = chart.height - this._margins.top - this._margins.bottom;\n }\n }\n\n _calculatePadding(first, last, sin, cos) {\n const {ticks: {align, padding}, position} = this.options;\n const isRotated = this.labelRotation !== 0;\n const labelsBelowTicks = position !== 'top' && this.axis === 'x';\n\n if (this.isHorizontal()) {\n const offsetLeft = this.getPixelForTick(0) - this.left;\n const offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1);\n let paddingLeft = 0;\n let paddingRight = 0;\n\n // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned\n // which means that the right padding is dominated by the font height\n if (isRotated) {\n if (labelsBelowTicks) {\n paddingLeft = cos * first.width;\n paddingRight = sin * last.height;\n } else {\n paddingLeft = sin * first.height;\n paddingRight = cos * last.width;\n }\n } else if (align === 'start') {\n paddingRight = last.width;\n } else if (align === 'end') {\n paddingLeft = first.width;\n } else if (align !== 'inner') {\n paddingLeft = first.width / 2;\n paddingRight = last.width / 2;\n }\n\n // Adjust padding taking into account changes in offsets\n this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0);\n this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0);\n } else {\n let paddingTop = last.height / 2;\n let paddingBottom = first.height / 2;\n\n if (align === 'start') {\n paddingTop = 0;\n paddingBottom = first.height;\n } else if (align === 'end') {\n paddingTop = last.height;\n paddingBottom = 0;\n }\n\n this.paddingTop = paddingTop + padding;\n this.paddingBottom = paddingBottom + padding;\n }\n }\n\n /**\n\t * Handle margins and padding interactions\n\t * @private\n\t */\n _handleMargins() {\n if (this._margins) {\n this._margins.left = Math.max(this.paddingLeft, this._margins.left);\n this._margins.top = Math.max(this.paddingTop, this._margins.top);\n this._margins.right = Math.max(this.paddingRight, this._margins.right);\n this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom);\n }\n }\n\n afterFit() {\n call(this.options.afterFit, [this]);\n }\n\n // Shared Methods\n /**\n\t * @return {boolean}\n\t */\n isHorizontal() {\n const {axis, position} = this.options;\n return position === 'top' || position === 'bottom' || axis === 'x';\n }\n /**\n\t * @return {boolean}\n\t */\n isFullSize() {\n return this.options.fullSize;\n }\n\n /**\n\t * @param {Tick[]} ticks\n\t * @private\n\t */\n _convertTicksToLabels(ticks) {\n this.beforeTickToLabelConversion();\n\n this.generateTickLabels(ticks);\n\n // Ticks should be skipped when callback returns null or undef, so lets remove those.\n let i, ilen;\n for (i = 0, ilen = ticks.length; i < ilen; i++) {\n if (isNullOrUndef(ticks[i].label)) {\n ticks.splice(i, 1);\n ilen--;\n i--;\n }\n }\n\n this.afterTickToLabelConversion();\n }\n\n /**\n\t * @return {{ first: object, last: object, widest: object, highest: object, widths: Array, heights: array }}\n\t * @private\n\t */\n _getLabelSizes() {\n let labelSizes = this._labelSizes;\n\n if (!labelSizes) {\n const sampleSize = this.options.ticks.sampleSize;\n let ticks = this.ticks;\n if (sampleSize < ticks.length) {\n ticks = sample(ticks, sampleSize);\n }\n\n this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length, this.options.ticks.maxTicksLimit);\n }\n\n return labelSizes;\n }\n\n /**\n\t * Returns {width, height, offset} objects for the first, last, widest, highest tick\n\t * labels where offset indicates the anchor point offset from the top in pixels.\n\t * @return {{ first: object, last: object, widest: object, highest: object, widths: Array, heights: array }}\n\t * @private\n\t */\n _computeLabelSizes(ticks, length, maxTicksLimit) {\n const {ctx, _longestTextCache: caches} = this;\n const widths = [];\n const heights = [];\n const increment = Math.floor(length / getTicksLimit(length, maxTicksLimit));\n let widestLabelSize = 0;\n let highestLabelSize = 0;\n let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel;\n\n for (i = 0; i < length; i += increment) {\n label = ticks[i].label;\n tickFont = this._resolveTickFontOptions(i);\n ctx.font = fontString = tickFont.string;\n cache = caches[fontString] = caches[fontString] || {data: {}, gc: []};\n lineHeight = tickFont.lineHeight;\n width = height = 0;\n // Undefined labels and arrays should not be measured\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 // if it is an array let's measure each element\n for (j = 0, jlen = label.length; j < jlen; ++j) {\n nestedLabel = /** @type {string} */ (label[j]);\n // Undefined labels and arrays should not be measured\n if (!isNullOrUndef(nestedLabel) && !isArray(nestedLabel)) {\n width = _measureText(ctx, cache.data, cache.gc, width, nestedLabel);\n height += lineHeight;\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 garbageCollect(caches, length);\n\n const widest = widths.indexOf(widestLabelSize);\n const highest = heights.indexOf(highestLabelSize);\n\n const valueAt = (idx) => ({width: widths[idx] || 0, height: heights[idx] || 0});\n\n return {\n first: valueAt(0),\n last: valueAt(length - 1),\n widest: valueAt(widest),\n highest: valueAt(highest),\n widths,\n heights,\n };\n }\n\n /**\n\t * Used to get the label to display in the tooltip for the given value\n\t * @param {*} value\n\t * @return {string}\n\t */\n getLabelForValue(value) {\n return value;\n }\n\n /**\n\t * Returns the location of the given data point. Value can either be an index or a numerical value\n\t * The coordinate (0, 0) is at the upper-left corner of the canvas\n\t * @param {*} value\n\t * @param {number} [index]\n\t * @return {number}\n\t */\n getPixelForValue(value, index) { // eslint-disable-line no-unused-vars\n return NaN;\n }\n\n /**\n\t * Used to get the data value from a given pixel. This is the inverse of getPixelForValue\n\t * The coordinate (0, 0) is at the upper-left corner of the canvas\n\t * @param {number} pixel\n\t * @return {*}\n\t */\n getValueForPixel(pixel) {} // eslint-disable-line no-unused-vars\n\n /**\n\t * Returns the location of the tick at the given index\n\t * The coordinate (0, 0) is at the upper-left corner of the canvas\n\t * @param {number} index\n\t * @return {number}\n\t */\n getPixelForTick(index) {\n const ticks = this.ticks;\n if (index < 0 || index > ticks.length - 1) {\n return null;\n }\n return this.getPixelForValue(ticks[index].value);\n }\n\n /**\n\t * Utility for getting the pixel location of a percentage of scale\n\t * The coordinate (0, 0) is at the upper-left corner of the canvas\n\t * @param {number} decimal\n\t * @return {number}\n\t */\n getPixelForDecimal(decimal) {\n if (this._reversePixels) {\n decimal = 1 - decimal;\n }\n\n const pixel = this._startPixel + decimal * this._length;\n return _int16Range(this._alignToPixels ? _alignPixel(this.chart, pixel, 0) : pixel);\n }\n\n /**\n\t * @param {number} pixel\n\t * @return {number}\n\t */\n getDecimalForPixel(pixel) {\n const decimal = (pixel - this._startPixel) / this._length;\n return this._reversePixels ? 1 - decimal : decimal;\n }\n\n /**\n\t * Returns the pixel for the minimum chart value\n\t * The coordinate (0, 0) is at the upper-left corner of the canvas\n\t * @return {number}\n\t */\n getBasePixel() {\n return this.getPixelForValue(this.getBaseValue());\n }\n\n /**\n\t * @return {number}\n\t */\n getBaseValue() {\n const {min, max} = this;\n\n return min < 0 && max < 0 ? max :\n min > 0 && max > 0 ? min :\n 0;\n }\n\n /**\n\t * @protected\n\t */\n getContext(index) {\n const ticks = this.ticks || [];\n\n if (index >= 0 && index < ticks.length) {\n const tick = ticks[index];\n return tick.$context ||\n\t\t\t\t(tick.$context = createTickContext(this.getContext(), index, tick));\n }\n return this.$context ||\n\t\t\t(this.$context = createScaleContext(this.chart.getContext(), this));\n }\n\n /**\n\t * @return {number}\n\t * @private\n\t */\n _tickSize() {\n const optionTicks = this.options.ticks;\n\n // Calculate space needed by label in axis direction.\n const rot = toRadians(this.labelRotation);\n const cos = Math.abs(Math.cos(rot));\n const sin = Math.abs(Math.sin(rot));\n\n const labelSizes = this._getLabelSizes();\n const padding = optionTicks.autoSkipPadding || 0;\n const w = labelSizes ? labelSizes.widest.width + padding : 0;\n const h = labelSizes ? labelSizes.highest.height + padding : 0;\n\n // Calculate space needed for 1 tick in axis direction.\n return this.isHorizontal()\n ? h * cos > w * sin ? w / cos : h / sin\n : h * sin < w * cos ? h / cos : w / sin;\n }\n\n /**\n\t * @return {boolean}\n\t * @private\n\t */\n _isVisible() {\n const display = this.options.display;\n\n if (display !== 'auto') {\n return !!display;\n }\n\n return this.getMatchingVisibleMetas().length > 0;\n }\n\n /**\n\t * @private\n\t */\n _computeGridLineItems(chartArea) {\n const axis = this.axis;\n const chart = this.chart;\n const options = this.options;\n const {grid, position, border} = options;\n const offset = grid.offset;\n const isHorizontal = this.isHorizontal();\n const ticks = this.ticks;\n const ticksLength = ticks.length + (offset ? 1 : 0);\n const tl = getTickMarkLength(grid);\n const items = [];\n\n const borderOpts = border.setContext(this.getContext());\n const axisWidth = borderOpts.display ? borderOpts.width : 0;\n const axisHalfWidth = axisWidth / 2;\n const alignBorderValue = function(pixel) {\n return _alignPixel(chart, pixel, axisWidth);\n };\n let borderValue, i, lineValue, alignedLineValue;\n let tx1, ty1, tx2, ty2, x1, y1, x2, y2;\n\n if (position === 'top') {\n borderValue = alignBorderValue(this.bottom);\n ty1 = this.bottom - tl;\n ty2 = borderValue - axisHalfWidth;\n y1 = alignBorderValue(chartArea.top) + axisHalfWidth;\n y2 = chartArea.bottom;\n } else if (position === 'bottom') {\n borderValue = alignBorderValue(this.top);\n y1 = chartArea.top;\n y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth;\n ty1 = borderValue + axisHalfWidth;\n ty2 = this.top + tl;\n } else if (position === 'left') {\n borderValue = alignBorderValue(this.right);\n tx1 = this.right - tl;\n tx2 = borderValue - axisHalfWidth;\n x1 = alignBorderValue(chartArea.left) + axisHalfWidth;\n x2 = chartArea.right;\n } else if (position === 'right') {\n borderValue = alignBorderValue(this.left);\n x1 = chartArea.left;\n x2 = alignBorderValue(chartArea.right) - axisHalfWidth;\n tx1 = borderValue + axisHalfWidth;\n tx2 = this.left + tl;\n } else if (axis === 'x') {\n if (position === 'center') {\n borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5);\n } else if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const value = position[positionAxisID];\n borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value));\n }\n\n y1 = chartArea.top;\n y2 = chartArea.bottom;\n ty1 = borderValue + axisHalfWidth;\n ty2 = ty1 + tl;\n } else if (axis === 'y') {\n if (position === 'center') {\n borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2);\n } else if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const value = position[positionAxisID];\n borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value));\n }\n\n tx1 = borderValue - axisHalfWidth;\n tx2 = tx1 - tl;\n x1 = chartArea.left;\n x2 = chartArea.right;\n }\n\n const limit = valueOrDefault(options.ticks.maxTicksLimit, ticksLength);\n const step = Math.max(1, Math.ceil(ticksLength / limit));\n for (i = 0; i < ticksLength; i += step) {\n const context = this.getContext(i);\n const optsAtIndex = grid.setContext(context);\n const optsAtIndexBorder = border.setContext(context);\n\n const lineWidth = optsAtIndex.lineWidth;\n const lineColor = optsAtIndex.color;\n const borderDash = optsAtIndexBorder.dash || [];\n const borderDashOffset = optsAtIndexBorder.dashOffset;\n\n const tickWidth = optsAtIndex.tickWidth;\n const tickColor = optsAtIndex.tickColor;\n const tickBorderDash = optsAtIndex.tickBorderDash || [];\n const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset;\n\n lineValue = getPixelForGridLine(this, i, offset);\n\n // Skip if the pixel is out of the range\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,\n ty1,\n tx2,\n ty2,\n x1,\n y1,\n x2,\n y2,\n width: lineWidth,\n color: lineColor,\n borderDash,\n borderDashOffset,\n tickWidth,\n tickColor,\n tickBorderDash,\n tickBorderDashOffset,\n });\n }\n\n this._ticksLength = ticksLength;\n this._borderValue = borderValue;\n\n return items;\n }\n\n /**\n\t * @private\n\t */\n _computeLabelItems(chartArea) {\n const axis = this.axis;\n const options = this.options;\n const {position, ticks: optionTicks} = options;\n const isHorizontal = this.isHorizontal();\n const ticks = this.ticks;\n const {align, crossAlign, padding, mirror} = optionTicks;\n const tl = getTickMarkLength(options.grid);\n const tickAndPadding = tl + padding;\n const hTickAndPadding = mirror ? -padding : tickAndPadding;\n const rotation = -toRadians(this.labelRotation);\n const items = [];\n let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset;\n let textBaseline = 'middle';\n\n if (position === 'top') {\n y = this.bottom - hTickAndPadding;\n textAlign = this._getXAxisLabelAlignment();\n } else if (position === 'bottom') {\n y = this.top + hTickAndPadding;\n textAlign = this._getXAxisLabelAlignment();\n } else if (position === 'left') {\n const ret = this._getYAxisLabelAlignment(tl);\n textAlign = ret.textAlign;\n x = ret.x;\n } else if (position === 'right') {\n const ret = this._getYAxisLabelAlignment(tl);\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 const positionAxisID = Object.keys(position)[0];\n const value = position[positionAxisID];\n y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding;\n }\n textAlign = this._getXAxisLabelAlignment();\n } else if (axis === 'y') {\n if (position === 'center') {\n x = ((chartArea.left + chartArea.right) / 2) - tickAndPadding;\n } else if (isObject(position)) {\n const positionAxisID = Object.keys(position)[0];\n const value = position[positionAxisID];\n x = this.chart.scales[positionAxisID].getPixelForValue(value);\n }\n textAlign = this._getYAxisLabelAlignment(tl).textAlign;\n }\n\n if (axis === 'y') {\n if (align === 'start') {\n textBaseline = 'top';\n } else if (align === 'end') {\n textBaseline = 'bottom';\n }\n }\n\n const labelSizes = this._getLabelSizes();\n for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n tick = ticks[i];\n label = tick.label;\n\n const optsAtIndex = optionTicks.setContext(this.getContext(i));\n pixel = this.getPixelForTick(i) + optionTicks.labelOffset;\n font = this._resolveTickFontOptions(i);\n lineHeight = font.lineHeight;\n lineCount = isArray(label) ? label.length : 1;\n const halfCount = lineCount / 2;\n const color = optsAtIndex.color;\n const strokeColor = optsAtIndex.textStrokeColor;\n const strokeWidth = optsAtIndex.textStrokeWidth;\n let tickTextAlign = textAlign;\n\n if (isHorizontal) {\n x = pixel;\n\n if (textAlign === 'inner') {\n if (i === ilen - 1) {\n tickTextAlign = !this.options.reverse ? 'right' : 'left';\n } else if (i === 0) {\n tickTextAlign = !this.options.reverse ? 'left' : 'right';\n } else {\n tickTextAlign = 'center';\n }\n }\n\n if (position === 'top') {\n if (crossAlign === 'near' || rotation !== 0) {\n textOffset = -lineCount * lineHeight + lineHeight / 2;\n } else if (crossAlign === 'center') {\n textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight;\n } else {\n textOffset = -labelSizes.highest.height + lineHeight / 2;\n }\n } else {\n // eslint-disable-next-line no-lonely-if\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 if (mirror) {\n textOffset *= -1;\n }\n if (rotation !== 0 && !optsAtIndex.showLabelBackdrop) {\n x += (lineHeight / 2) * Math.sin(rotation);\n }\n } else {\n y = pixel;\n textOffset = (1 - lineCount) * lineHeight / 2;\n }\n\n let backdrop;\n\n if (optsAtIndex.showLabelBackdrop) {\n const labelPadding = toPadding(optsAtIndex.backdropPadding);\n const height = labelSizes.heights[i];\n const width = labelSizes.widths[i];\n\n let top = textOffset - labelPadding.top;\n let left = 0 - labelPadding.left;\n\n switch (textBaseline) {\n case 'middle':\n top -= height / 2;\n break;\n case 'bottom':\n top -= height;\n break;\n default:\n break;\n }\n\n switch (textAlign) {\n case 'center':\n left -= width / 2;\n break;\n case 'right':\n left -= width;\n break;\n case 'inner':\n if (i === ilen - 1) {\n left -= width;\n } else if (i > 0) {\n left -= width / 2;\n }\n break;\n default:\n break;\n }\n\n backdrop = {\n left,\n top,\n width: width + labelPadding.width,\n height: height + labelPadding.height,\n\n color: optsAtIndex.backdropColor,\n };\n }\n\n items.push({\n label,\n font,\n textOffset,\n options: {\n rotation,\n color,\n strokeColor,\n strokeWidth,\n textAlign: tickTextAlign,\n textBaseline,\n translation: [x, y],\n backdrop,\n }\n });\n }\n\n return items;\n }\n\n _getXAxisLabelAlignment() {\n const {position, ticks} = this.options;\n const rotation = -toRadians(this.labelRotation);\n\n if (rotation) {\n return position === 'top' ? 'left' : 'right';\n }\n\n let align = 'center';\n\n if (ticks.align === 'start') {\n align = 'left';\n } else if (ticks.align === 'end') {\n align = 'right';\n } else if (ticks.align === 'inner') {\n align = 'inner';\n }\n\n return align;\n }\n\n _getYAxisLabelAlignment(tl) {\n const {position, ticks: {crossAlign, mirror, padding}} = this.options;\n const labelSizes = this._getLabelSizes();\n const tickAndPadding = tl + padding;\n const widest = labelSizes.widest.width;\n\n let textAlign;\n let x;\n\n if (position === 'left') {\n if (mirror) {\n x = this.right + padding;\n\n if (crossAlign === 'near') {\n textAlign = 'left';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x += (widest / 2);\n } else {\n textAlign = 'right';\n x += widest;\n }\n } else {\n x = this.right - tickAndPadding;\n\n if (crossAlign === 'near') {\n textAlign = 'right';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x -= (widest / 2);\n } else {\n textAlign = 'left';\n x = this.left;\n }\n }\n } else if (position === 'right') {\n if (mirror) {\n x = this.left + padding;\n\n if (crossAlign === 'near') {\n textAlign = 'right';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x -= (widest / 2);\n } else {\n textAlign = 'left';\n x -= widest;\n }\n } else {\n x = this.left + tickAndPadding;\n\n if (crossAlign === 'near') {\n textAlign = 'left';\n } else if (crossAlign === 'center') {\n textAlign = 'center';\n x += widest / 2;\n } else {\n textAlign = 'right';\n x = this.right;\n }\n }\n } else {\n textAlign = 'right';\n }\n\n return {textAlign, x};\n }\n\n /**\n\t * @private\n\t */\n _computeLabelArea() {\n if (this.options.ticks.mirror) {\n return;\n }\n\n const chart = this.chart;\n const position = this.options.position;\n\n if (position === 'left' || position === 'right') {\n return {top: 0, left: this.left, bottom: chart.height, right: this.right};\n } if (position === 'top' || position === 'bottom') {\n return {top: this.top, left: 0, bottom: this.bottom, right: chart.width};\n }\n }\n\n /**\n * @protected\n */\n drawBackground() {\n const {ctx, options: {backgroundColor}, left, top, width, height} = this;\n if (backgroundColor) {\n ctx.save();\n ctx.fillStyle = backgroundColor;\n ctx.fillRect(left, top, width, height);\n ctx.restore();\n }\n }\n\n getLineWidthForValue(value) {\n const grid = this.options.grid;\n if (!this._isVisible() || !grid.display) {\n return 0;\n }\n const ticks = this.ticks;\n const index = ticks.findIndex(t => t.value === value);\n if (index >= 0) {\n const opts = grid.setContext(this.getContext(index));\n return opts.lineWidth;\n }\n return 0;\n }\n\n /**\n\t * @protected\n\t */\n drawGrid(chartArea) {\n const grid = this.options.grid;\n const ctx = this.ctx;\n const items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea));\n let i, ilen;\n\n const drawLine = (p1, p2, style) => {\n if (!style.width || !style.color) {\n return;\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\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 const item = items[i];\n\n if (grid.drawOnChartArea) {\n drawLine(\n {x: item.x1, y: item.y1},\n {x: item.x2, y: item.y2},\n item\n );\n }\n\n if (grid.drawTicks) {\n drawLine(\n {x: item.tx1, y: item.ty1},\n {x: item.tx2, 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\n /**\n\t * @protected\n\t */\n drawBorder() {\n const {chart, ctx, options: {border, grid}} = this;\n const borderOpts = border.setContext(this.getContext());\n const axisWidth = border.display ? borderOpts.width : 0;\n if (!axisWidth) {\n return;\n }\n const lastLineWidth = grid.setContext(this.getContext(0)).lineWidth;\n const borderValue = this._borderValue;\n let x1, x2, y1, y2;\n\n if (this.isHorizontal()) {\n x1 = _alignPixel(chart, this.left, axisWidth) - axisWidth / 2;\n x2 = _alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2;\n y1 = y2 = borderValue;\n } else {\n y1 = _alignPixel(chart, this.top, axisWidth) - axisWidth / 2;\n y2 = _alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2;\n x1 = x2 = borderValue;\n }\n ctx.save();\n ctx.lineWidth = borderOpts.width;\n ctx.strokeStyle = borderOpts.color;\n\n ctx.beginPath();\n ctx.moveTo(x1, y1);\n ctx.lineTo(x2, y2);\n ctx.stroke();\n\n ctx.restore();\n }\n\n /**\n\t * @protected\n\t */\n drawLabels(chartArea) {\n const optionTicks = this.options.ticks;\n\n if (!optionTicks.display) {\n return;\n }\n\n const ctx = this.ctx;\n\n const area = this._computeLabelArea();\n if (area) {\n clipArea(ctx, area);\n }\n\n const items = this.getLabelItems(chartArea);\n for (const item of items) {\n const renderTextOptions = item.options;\n const tickFont = item.font;\n const label = item.label;\n const y = item.textOffset;\n renderText(ctx, label, 0, y, tickFont, renderTextOptions);\n }\n\n if (area) {\n unclipArea(ctx);\n }\n }\n\n /**\n\t * @protected\n\t */\n drawTitle() {\n const {ctx, options: {position, title, reverse}} = this;\n\n if (!title.display) {\n return;\n }\n\n const font = toFont(title.font);\n const padding = toPadding(title.padding);\n const align = title.align;\n let offset = font.lineHeight / 2;\n\n if (position === 'bottom' || position === 'center' || isObject(position)) {\n offset += padding.bottom;\n if (isArray(title.text)) {\n offset += font.lineHeight * (title.text.length - 1);\n }\n } else {\n offset += padding.top;\n }\n\n const {titleX, titleY, maxWidth, rotation} = titleArgs(this, offset, position, align);\n\n renderText(ctx, title.text, 0, 0, font, {\n color: title.color,\n maxWidth,\n rotation,\n textAlign: titleAlign(align, position, reverse),\n textBaseline: 'middle',\n translation: [titleX, titleY],\n });\n }\n\n draw(chartArea) {\n if (!this._isVisible()) {\n return;\n }\n\n this.drawBackground();\n this.drawGrid(chartArea);\n this.drawBorder();\n this.drawTitle();\n this.drawLabels(chartArea);\n }\n\n /**\n\t * @return {object[]}\n\t * @private\n\t */\n _layers() {\n const opts = this.options;\n const tz = opts.ticks && opts.ticks.z || 0;\n const gz = valueOrDefault(opts.grid && opts.grid.z, -1);\n const bz = valueOrDefault(opts.border && opts.border.z, 0);\n\n if (!this._isVisible() || this.draw !== Scale.prototype.draw) {\n // backward compatibility: draw has been overridden by custom scale\n return [{\n z: tz,\n draw: (chartArea) => {\n this.draw(chartArea);\n }\n }];\n }\n\n return [{\n z: gz,\n draw: (chartArea) => {\n this.drawBackground();\n this.drawGrid(chartArea);\n this.drawTitle();\n }\n }, {\n z: bz,\n draw: () => {\n this.drawBorder();\n }\n }, {\n z: tz,\n draw: (chartArea) => {\n this.drawLabels(chartArea);\n }\n }];\n }\n\n /**\n\t * Returns visible dataset metas that are attached to this scale\n\t * @param {string} [type] - if specified, also filter by dataset type\n\t * @return {object[]}\n\t */\n getMatchingVisibleMetas(type) {\n const metas = this.chart.getSortedVisibleDatasetMetas();\n const axisID = this.axis + 'AxisID';\n const result = [];\n let i, ilen;\n\n for (i = 0, ilen = metas.length; i < ilen; ++i) {\n const meta = metas[i];\n if (meta[axisID] === this.id && (!type || meta.type === type)) {\n result.push(meta);\n }\n }\n return result;\n }\n\n /**\n\t * @param {number} index\n\t * @return {object}\n\t * @protected\n \t */\n _resolveTickFontOptions(index) {\n const opts = this.options.ticks.setContext(this.getContext(index));\n return toFont(opts.font);\n }\n\n /**\n * @protected\n */\n _maxDigits() {\n const fontSize = this._resolveTickFontOptions(0).lineHeight;\n return (this.isHorizontal() ? this.width : this.height) / fontSize;\n }\n}\n","import {merge} from '../helpers/index.js';\nimport defaults, {overrides} from './core.defaults.js';\n\n/**\n * @typedef {{id: string, defaults: any, overrides?: any, defaultRoutes: any}} IChartComponent\n */\n\nexport default class TypedRegistry {\n constructor(type, scope, override) {\n this.type = type;\n this.scope = scope;\n this.override = override;\n this.items = Object.create(null);\n }\n\n isForType(type) {\n return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype);\n }\n\n /**\n\t * @param {IChartComponent} item\n\t * @returns {string} The scope where items defaults were registered to.\n\t */\n register(item) {\n const proto = Object.getPrototypeOf(item);\n let parentScope;\n\n if (isIChartComponent(proto)) {\n // Make sure the parent is registered and note the scope where its defaults are.\n parentScope = this.register(proto);\n }\n\n const items = this.items;\n const id = item.id;\n const scope = this.scope + '.' + id;\n\n if (!id) {\n throw new Error('class does not have id: ' + item);\n }\n\n if (id in items) {\n // already registered\n return scope;\n }\n\n items[id] = item;\n registerDefaults(item, scope, parentScope);\n if (this.override) {\n defaults.override(item.id, item.overrides);\n }\n\n return scope;\n }\n\n /**\n\t * @param {string} id\n\t * @returns {object?}\n\t */\n get(id) {\n return this.items[id];\n }\n\n /**\n\t * @param {IChartComponent} item\n\t */\n unregister(item) {\n const items = this.items;\n const id = item.id;\n const 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 if (this.override) {\n delete overrides[id];\n }\n }\n }\n}\n\nfunction registerDefaults(item, scope, parentScope) {\n // Inherit the parent's defaults and keep existing defaults\n const itemDefaults = merge(Object.create(null), [\n parentScope ? defaults.get(parentScope) : {},\n defaults.get(scope),\n item.defaults\n ]);\n\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(property => {\n const propertyParts = property.split('.');\n const sourceName = propertyParts.pop();\n const sourceScope = [scope].concat(propertyParts).join('.');\n const parts = routes[property].split('.');\n const targetName = parts.pop();\n const 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","import DatasetController from './core.datasetController.js';\nimport Element from './core.element.js';\nimport Scale from './core.scale.js';\nimport TypedRegistry from './core.typedRegistry.js';\nimport {each, callback as call, _capitalize} from '../helpers/helpers.core.js';\n\n/**\n * Please use the module's default export which provides a singleton instance\n * Note: class is exported for typedoc\n */\nexport class Registry {\n constructor() {\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 // Order is important, Scale has Element in prototype chain,\n // so Scales must be before Elements. Plugins are a fallback, so not listed here.\n this._typedRegistries = [this.controllers, this.scales, this.elements];\n }\n\n /**\n\t * @param {...any} args\n\t */\n add(...args) {\n this._each('register', args);\n }\n\n remove(...args) {\n this._each('unregister', args);\n }\n\n /**\n\t * @param {...typeof DatasetController} args\n\t */\n addControllers(...args) {\n this._each('register', args, this.controllers);\n }\n\n /**\n\t * @param {...typeof Element} args\n\t */\n addElements(...args) {\n this._each('register', args, this.elements);\n }\n\n /**\n\t * @param {...any} args\n\t */\n addPlugins(...args) {\n this._each('register', args, this.plugins);\n }\n\n /**\n\t * @param {...typeof Scale} args\n\t */\n addScales(...args) {\n this._each('register', args, this.scales);\n }\n\n /**\n\t * @param {string} id\n\t * @returns {typeof DatasetController}\n\t */\n getController(id) {\n return this._get(id, this.controllers, 'controller');\n }\n\n /**\n\t * @param {string} id\n\t * @returns {typeof Element}\n\t */\n getElement(id) {\n return this._get(id, this.elements, 'element');\n }\n\n /**\n\t * @param {string} id\n\t * @returns {object}\n\t */\n getPlugin(id) {\n return this._get(id, this.plugins, 'plugin');\n }\n\n /**\n\t * @param {string} id\n\t * @returns {typeof Scale}\n\t */\n getScale(id) {\n return this._get(id, this.scales, 'scale');\n }\n\n /**\n\t * @param {...typeof DatasetController} args\n\t */\n removeControllers(...args) {\n this._each('unregister', args, this.controllers);\n }\n\n /**\n\t * @param {...typeof Element} args\n\t */\n removeElements(...args) {\n this._each('unregister', args, this.elements);\n }\n\n /**\n\t * @param {...any} args\n\t */\n removePlugins(...args) {\n this._each('unregister', args, this.plugins);\n }\n\n /**\n\t * @param {...typeof Scale} args\n\t */\n removeScales(...args) {\n this._each('unregister', args, this.scales);\n }\n\n /**\n\t * @private\n\t */\n _each(method, args, typedRegistry) {\n [...args].forEach(arg => {\n const reg = typedRegistry || this._getRegistryForType(arg);\n if (typedRegistry || reg.isForType(arg) || (reg === this.plugins && arg.id)) {\n this._exec(method, reg, arg);\n } else {\n // Handle loopable args\n // Use case:\n // import * as plugins from './plugins.js';\n // Chart.register(plugins);\n each(arg, item => {\n // If there are mixed types in the loopable, make sure those are\n // registered in correct registry\n // Use case: (treemap exporting controller, elements etc)\n // import * as treemap from 'chartjs-chart-treemap.js';\n // Chart.register(treemap);\n\n const itemReg = typedRegistry || this._getRegistryForType(item);\n this._exec(method, itemReg, item);\n });\n }\n });\n }\n\n /**\n\t * @private\n\t */\n _exec(method, registry, component) {\n const camelMethod = _capitalize(method);\n call(component['before' + camelMethod], [], component); // beforeRegister / beforeUnregister\n registry[method](component);\n call(component['after' + camelMethod], [], component); // afterRegister / afterUnregister\n }\n\n /**\n\t * @private\n\t */\n _getRegistryForType(type) {\n for (let i = 0; i < this._typedRegistries.length; i++) {\n const reg = this._typedRegistries[i];\n if (reg.isForType(type)) {\n return reg;\n }\n }\n // plugins is the fallback registry\n return this.plugins;\n }\n\n /**\n\t * @private\n\t */\n _get(id, typedRegistry, type) {\n const item = typedRegistry.get(id);\n if (item === undefined) {\n throw new Error('\"' + id + '\" is not a registered ' + type + '.');\n }\n return item;\n }\n\n}\n\n// singleton instance\nexport default /* #__PURE__ */ new Registry();\n","import registry from './core.registry.js';\nimport {callback as callCallback, isNullOrUndef, valueOrDefault} from '../helpers/helpers.core.js';\n\n/**\n * @typedef { import('./core.controller.js').default } Chart\n * @typedef { import('../types/index.js').ChartEvent } ChartEvent\n * @typedef { import('../plugins/plugin.tooltip.js').default } Tooltip\n */\n\n/**\n * @callback filterCallback\n * @param {{plugin: object, options: object}} value\n * @param {number} [index]\n * @param {array} [array]\n * @param {object} [thisArg]\n * @return {boolean}\n */\n\n\nexport default class PluginService {\n constructor() {\n this._init = [];\n }\n\n /**\n\t * Calls enabled plugins for `chart` on the specified hook and with the given args.\n\t * This method immediately returns as soon as a plugin explicitly returns false. The\n\t * returned value can be used, for instance, to interrupt the current action.\n\t * @param {Chart} chart - The chart instance for which plugins should be called.\n\t * @param {string} hook - The name of the plugin method to call (e.g. 'beforeUpdate').\n\t * @param {object} [args] - Extra arguments to apply to the hook call.\n * @param {filterCallback} [filter] - Filtering function for limiting which plugins are notified\n\t * @returns {boolean} false if any of the plugins return false, else returns true.\n\t */\n notify(chart, hook, args, filter) {\n if (hook === 'beforeInit') {\n this._init = this._createDescriptors(chart, true);\n this._notify(this._init, chart, 'install');\n }\n\n const descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart);\n const result = this._notify(descriptors, chart, hook, args);\n\n if (hook === 'afterDestroy') {\n this._notify(descriptors, chart, 'stop');\n this._notify(this._init, chart, 'uninstall');\n }\n return result;\n }\n\n /**\n\t * @private\n\t */\n _notify(descriptors, chart, hook, args) {\n args = args || {};\n for (const descriptor of descriptors) {\n const plugin = descriptor.plugin;\n const method = plugin[hook];\n const params = [chart, args, descriptor.options];\n if (callCallback(method, params, plugin) === false && args.cancelable) {\n return false;\n }\n }\n\n return true;\n }\n\n invalidate() {\n // When plugins are registered, there is the possibility of a double\n // invalidate situation. In this case, we only want to invalidate once.\n // If we invalidate multiple times, the `_oldCache` is lost and all of the\n // plugins are restarted without being correctly stopped.\n // See https://github.com/chartjs/Chart.js/issues/8147\n if (!isNullOrUndef(this._cache)) {\n this._oldCache = this._cache;\n this._cache = undefined;\n }\n }\n\n /**\n\t * @param {Chart} chart\n\t * @private\n\t */\n _descriptors(chart) {\n if (this._cache) {\n return this._cache;\n }\n\n const descriptors = this._cache = this._createDescriptors(chart);\n\n this._notifyStateChanges(chart);\n\n return descriptors;\n }\n\n _createDescriptors(chart, all) {\n const config = chart && chart.config;\n const options = valueOrDefault(config.options && config.options.plugins, {});\n const plugins = allPlugins(config);\n // options === false => all plugins are disabled\n return options === false && !all ? [] : createDescriptors(chart, plugins, options, all);\n }\n\n /**\n\t * @param {Chart} chart\n\t * @private\n\t */\n _notifyStateChanges(chart) {\n const previousDescriptors = this._oldCache || [];\n const descriptors = this._cache;\n const diff = (a, b) => a.filter(x => !b.some(y => x.plugin.id === y.plugin.id));\n this._notify(diff(previousDescriptors, descriptors), chart, 'stop');\n this._notify(diff(descriptors, previousDescriptors), chart, 'start');\n }\n}\n\n/**\n * @param {import('./core.config.js').default} config\n */\nfunction allPlugins(config) {\n const localIds = {};\n const plugins = [];\n const keys = Object.keys(registry.plugins.items);\n for (let i = 0; i < keys.length; i++) {\n plugins.push(registry.getPlugin(keys[i]));\n }\n\n const local = config.plugins || [];\n for (let i = 0; i < local.length; i++) {\n const plugin = local[i];\n\n if (plugins.indexOf(plugin) === -1) {\n plugins.push(plugin);\n localIds[plugin.id] = true;\n }\n }\n\n return {plugins, localIds};\n}\n\nfunction getOpts(options, all) {\n if (!all && options === false) {\n return null;\n }\n if (options === true) {\n return {};\n }\n return options;\n}\n\nfunction createDescriptors(chart, {plugins, localIds}, options, all) {\n const result = [];\n const context = chart.getContext();\n\n for (const plugin of plugins) {\n const id = plugin.id;\n const opts = getOpts(options[id], all);\n if (opts === null) {\n continue;\n }\n result.push({\n plugin,\n options: pluginOpts(chart.config, {plugin, local: localIds[id]}, opts, context)\n });\n }\n\n return result;\n}\n\nfunction pluginOpts(config, {plugin, local}, opts, context) {\n const keys = config.pluginScopeKeys(plugin);\n const scopes = config.getOptionScopes(opts, keys);\n if (local && plugin.defaults) {\n // make sure plugin defaults are in scopes for local (not registered) plugins\n scopes.push(plugin.defaults);\n }\n return config.createResolver(scopes, context, [''], {\n // These are just defaults that plugins can override\n scriptable: false,\n indexable: false,\n allKeys: true\n });\n}\n","import defaults, {overrides, descriptors} from './core.defaults.js';\nimport {mergeIf, resolveObjectKey, isArray, isFunction, valueOrDefault, isObject} from '../helpers/helpers.core.js';\nimport {_attachContext, _createResolver, _descriptors} from '../helpers/helpers.config.js';\n\nexport function getIndexAxis(type, options) {\n const datasetDefaults = defaults.datasets[type] || {};\n const datasetOptions = (options.datasets || {})[type] || {};\n return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x';\n}\n\nfunction getAxisFromDefaultScaleID(id, indexAxis) {\n let axis = id;\n if (id === '_index_') {\n axis = indexAxis;\n } else if (id === '_value_') {\n axis = indexAxis === 'x' ? 'y' : 'x';\n }\n return axis;\n}\n\nfunction getDefaultScaleIDFromAxis(axis, indexAxis) {\n return axis === indexAxis ? '_index_' : '_value_';\n}\n\nfunction idMatchesAxis(id) {\n if (id === 'x' || id === 'y' || id === 'r') {\n return id;\n }\n}\n\nfunction axisFromPosition(position) {\n if (position === 'top' || position === 'bottom') {\n return 'x';\n }\n if (position === 'left' || position === 'right') {\n return 'y';\n }\n}\n\nexport function determineAxis(id, ...scaleOptions) {\n if (idMatchesAxis(id)) {\n return id;\n }\n for (const opts of scaleOptions) {\n const axis = opts.axis\n || axisFromPosition(opts.position)\n || id.length > 1 && idMatchesAxis(id[0].toLowerCase());\n if (axis) {\n return axis;\n }\n }\n throw new Error(`Cannot determine type of '${id}' axis. Please provide 'axis' or 'position' option.`);\n}\n\nfunction getAxisFromDataset(id, axis, dataset) {\n if (dataset[axis + 'AxisID'] === id) {\n return {axis};\n }\n}\n\nfunction retrieveAxisFromDatasets(id, config) {\n if (config.data && config.data.datasets) {\n const boundDs = config.data.datasets.filter((d) => d.xAxisID === id || d.yAxisID === id);\n if (boundDs.length) {\n return getAxisFromDataset(id, 'x', boundDs[0]) || getAxisFromDataset(id, 'y', boundDs[0]);\n }\n }\n return {};\n}\n\nfunction mergeScaleConfig(config, options) {\n const chartDefaults = overrides[config.type] || {scales: {}};\n const configScales = options.scales || {};\n const chartIndexAxis = getIndexAxis(config.type, options);\n const scales = Object.create(null);\n\n // First figure out first scale id's per axis.\n Object.keys(configScales).forEach(id => {\n const scaleConf = configScales[id];\n if (!isObject(scaleConf)) {\n return console.error(`Invalid scale configuration for scale: ${id}`);\n }\n if (scaleConf._proxy) {\n return console.warn(`Ignoring resolver passed as options for scale: ${id}`);\n }\n const axis = determineAxis(id, scaleConf, retrieveAxisFromDatasets(id, config), defaults.scales[scaleConf.type]);\n const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis);\n const defaultScaleOptions = chartDefaults.scales || {};\n scales[id] = mergeIf(Object.create(null), [{axis}, scaleConf, defaultScaleOptions[axis], defaultScaleOptions[defaultId]]);\n });\n\n // Then merge dataset defaults to scale configs\n config.data.datasets.forEach(dataset => {\n const type = dataset.type || config.type;\n const indexAxis = dataset.indexAxis || getIndexAxis(type, options);\n const datasetDefaults = overrides[type] || {};\n const defaultScaleOptions = datasetDefaults.scales || {};\n Object.keys(defaultScaleOptions).forEach(defaultID => {\n const axis = getAxisFromDefaultScaleID(defaultID, indexAxis);\n const id = dataset[axis + 'AxisID'] || axis;\n scales[id] = scales[id] || Object.create(null);\n mergeIf(scales[id], [{axis}, configScales[id], defaultScaleOptions[defaultID]]);\n });\n });\n\n // apply scale defaults, if not overridden by dataset defaults\n Object.keys(scales).forEach(key => {\n const scale = scales[key];\n mergeIf(scale, [defaults.scales[scale.type], defaults.scale]);\n });\n\n return scales;\n}\n\nfunction initOptions(config) {\n const options = config.options || (config.options = {});\n\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\n initOptions(config);\n\n return config;\n}\n\nconst keyCache = new Map();\nconst keysCached = new Set();\n\nfunction cachedKeys(cacheKey, generate) {\n let keys = keyCache.get(cacheKey);\n if (!keys) {\n keys = generate();\n keyCache.set(cacheKey, keys);\n keysCached.add(keys);\n }\n return keys;\n}\n\nconst addIfFound = (set, obj, key) => {\n const opts = resolveObjectKey(obj, key);\n if (opts !== undefined) {\n set.add(opts);\n }\n};\n\nexport default class Config {\n constructor(config) {\n this._config = initConfig(config);\n this._scopeCache = new Map();\n this._resolverCache = new Map();\n }\n\n get platform() {\n return this._config.platform;\n }\n\n get type() {\n return this._config.type;\n }\n\n set type(type) {\n this._config.type = type;\n }\n\n get data() {\n return this._config.data;\n }\n\n set data(data) {\n this._config.data = initData(data);\n }\n\n get options() {\n return this._config.options;\n }\n\n set options(options) {\n this._config.options = options;\n }\n\n get plugins() {\n return this._config.plugins;\n }\n\n update() {\n const config = this._config;\n this.clearCache();\n initOptions(config);\n }\n\n clearCache() {\n this._scopeCache.clear();\n this._resolverCache.clear();\n }\n\n /**\n * Returns the option scope keys for resolving dataset options.\n * These keys do not include the dataset itself, because it is not under options.\n * @param {string} datasetType\n * @return {string[][]}\n */\n datasetScopeKeys(datasetType) {\n return cachedKeys(datasetType,\n () => [[\n `datasets.${datasetType}`,\n ''\n ]]);\n }\n\n /**\n * Returns the option scope keys for resolving dataset animation options.\n * These keys do not include the dataset itself, because it is not under options.\n * @param {string} datasetType\n * @param {string} transition\n * @return {string[][]}\n */\n datasetAnimationScopeKeys(datasetType, transition) {\n return cachedKeys(`${datasetType}.transition.${transition}`,\n () => [\n [\n `datasets.${datasetType}.transitions.${transition}`,\n `transitions.${transition}`,\n ],\n // The following are used for looking up the `animations` and `animation` keys\n [\n `datasets.${datasetType}`,\n ''\n ]\n ]);\n }\n\n /**\n * Returns the options scope keys for resolving element options that belong\n * to an dataset. These keys do not include the dataset itself, because it\n * is not under options.\n * @param {string} datasetType\n * @param {string} elementType\n * @return {string[][]}\n */\n datasetElementScopeKeys(datasetType, elementType) {\n return cachedKeys(`${datasetType}-${elementType}`,\n () => [[\n `datasets.${datasetType}.elements.${elementType}`,\n `datasets.${datasetType}`,\n `elements.${elementType}`,\n ''\n ]]);\n }\n\n /**\n * Returns the options scope keys for resolving plugin options.\n * @param {{id: string, additionalOptionScopes?: string[]}} plugin\n * @return {string[][]}\n */\n pluginScopeKeys(plugin) {\n const id = plugin.id;\n const type = this.type;\n return cachedKeys(`${type}-plugin-${id}`,\n () => [[\n `plugins.${id}`,\n ...plugin.additionalOptionScopes || [],\n ]]);\n }\n\n /**\n * @private\n */\n _cachedScopes(mainScope, resetCache) {\n const _scopeCache = this._scopeCache;\n let cache = _scopeCache.get(mainScope);\n if (!cache || resetCache) {\n cache = new Map();\n _scopeCache.set(mainScope, cache);\n }\n return cache;\n }\n\n /**\n * Resolves the objects from options and defaults for option value resolution.\n * @param {object} mainScope - The main scope object for options\n * @param {string[][]} keyLists - The arrays of keys in resolution order\n * @param {boolean} [resetCache] - reset the cache for this mainScope\n */\n getOptionScopes(mainScope, keyLists, resetCache) {\n const {options, type} = this;\n const cache = this._cachedScopes(mainScope, resetCache);\n const cached = cache.get(keyLists);\n if (cached) {\n return cached;\n }\n\n const scopes = new Set();\n\n keyLists.forEach(keys => {\n if (mainScope) {\n scopes.add(mainScope);\n keys.forEach(key => addIfFound(scopes, mainScope, key));\n }\n keys.forEach(key => addIfFound(scopes, options, key));\n keys.forEach(key => addIfFound(scopes, overrides[type] || {}, key));\n keys.forEach(key => addIfFound(scopes, defaults, key));\n keys.forEach(key => addIfFound(scopes, descriptors, key));\n });\n\n const array = Array.from(scopes);\n if (array.length === 0) {\n array.push(Object.create(null));\n }\n if (keysCached.has(keyLists)) {\n cache.set(keyLists, array);\n }\n return array;\n }\n\n /**\n * Returns the option scopes for resolving chart options\n * @return {object[]}\n */\n chartOptionScopes() {\n const {options, type} = this;\n\n return [\n options,\n overrides[type] || {},\n defaults.datasets[type] || {}, // https://github.com/chartjs/Chart.js/issues/8531\n {type},\n defaults,\n descriptors\n ];\n }\n\n /**\n * @param {object[]} scopes\n * @param {string[]} names\n * @param {function|object} context\n * @param {string[]} [prefixes]\n * @return {object}\n */\n resolveNamedOptions(scopes, names, context, prefixes = ['']) {\n const result = {$shared: true};\n const {resolver, subPrefixes} = getResolver(this._resolverCache, scopes, prefixes);\n let options = resolver;\n if (needContext(resolver, names)) {\n result.$shared = false;\n context = isFunction(context) ? context() : context;\n // subResolver is passed to scriptable options. It should not resolve to hover options.\n const subResolver = this.createResolver(scopes, context, subPrefixes);\n options = _attachContext(resolver, context, subResolver);\n }\n\n for (const prop of names) {\n result[prop] = options[prop];\n }\n return result;\n }\n\n /**\n * @param {object[]} scopes\n * @param {object} [context]\n * @param {string[]} [prefixes]\n * @param {{scriptable: boolean, indexable: boolean, allKeys?: boolean}} [descriptorDefaults]\n */\n createResolver(scopes, context, prefixes = [''], descriptorDefaults) {\n const {resolver} = getResolver(this._resolverCache, scopes, prefixes);\n return isObject(context)\n ? _attachContext(resolver, context, undefined, descriptorDefaults)\n : resolver;\n }\n}\n\nfunction getResolver(resolverCache, scopes, prefixes) {\n let cache = resolverCache.get(scopes);\n if (!cache) {\n cache = new Map();\n resolverCache.set(scopes, cache);\n }\n const cacheKey = prefixes.join();\n let cached = cache.get(cacheKey);\n if (!cached) {\n const resolver = _createResolver(scopes, prefixes);\n cached = {\n resolver,\n subPrefixes: prefixes.filter(p => !p.toLowerCase().includes('hover'))\n };\n cache.set(cacheKey, cached);\n }\n return cached;\n}\n\nconst hasFunction = value => isObject(value)\n && Object.getOwnPropertyNames(value).some((key) => isFunction(value[key]));\n\nfunction needContext(proxy, names) {\n const {isScriptable, isIndexable} = _descriptors(proxy);\n\n for (const prop of names) {\n const scriptable = isScriptable(prop);\n const indexable = isIndexable(prop);\n const value = (indexable || scriptable) && proxy[prop];\n if ((scriptable && (isFunction(value) || hasFunction(value)))\n || (indexable && isArray(value))) {\n return true;\n }\n }\n return false;\n}\n","import animator from './core.animator.js';\nimport defaults, {overrides} from './core.defaults.js';\nimport Interaction from './core.interaction.js';\nimport layouts from './core.layouts.js';\nimport {_detectPlatform} from '../platform/index.js';\nimport PluginService from './core.plugins.js';\nimport registry from './core.registry.js';\nimport Config, {determineAxis, getIndexAxis} from './core.config.js';\nimport {retinaScale, _isDomSupported} from '../helpers/helpers.dom.js';\nimport {each, callback as callCallback, uid, valueOrDefault, _elementsEqual, isNullOrUndef, setsEqual, defined, isFunction, _isClickEvent} from '../helpers/helpers.core.js';\nimport {clearCanvas, clipArea, createContext, unclipArea, _isPointInArea} from '../helpers/index.js';\n// @ts-ignore\nimport {version} from '../../package.json';\nimport {debounce} from '../helpers/helpers.extras.js';\n\n/**\n * @typedef { import('../types/index.js').ChartEvent } ChartEvent\n * @typedef { import('../types/index.js').Point } Point\n */\n\nconst KNOWN_POSITIONS = ['top', 'bottom', 'left', 'right', 'chartArea'];\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]\n ? a[l2] - b[l2]\n : a[l1] - b[l1];\n };\n}\n\nfunction onAnimationsComplete(context) {\n const chart = context.chart;\n const animationOptions = chart.options.animation;\n\n chart.notifyPlugins('afterRender');\n callCallback(animationOptions && animationOptions.onComplete, [context], chart);\n}\n\nfunction onAnimationProgress(context) {\n const chart = context.chart;\n const animationOptions = chart.options.animation;\n callCallback(animationOptions && animationOptions.onProgress, [context], chart);\n}\n\n/**\n * Chart.js can take a string id of a canvas element, a 2d context, or a canvas element itself.\n * Attempt to unwrap the item passed into the chart constructor so that it is a canvas element (if possible).\n */\nfunction getCanvas(item) {\n if (_isDomSupported() && typeof item === 'string') {\n item = document.getElementById(item);\n } else if (item && item.length) {\n // Support for array based queries (such as jQuery)\n item = item[0];\n }\n\n if (item && item.canvas) {\n // Support for any object associated to a canvas (including a context2d)\n item = item.canvas;\n }\n return item;\n}\n\nconst instances = {};\nconst getChart = (key) => {\n const canvas = getCanvas(key);\n return Object.values(instances).filter((c) => c.canvas === canvas).pop();\n};\n\nfunction moveNumericKeys(obj, start, move) {\n const keys = Object.keys(obj);\n for (const key of keys) {\n const intKey = +key;\n if (intKey >= start) {\n const value = obj[key];\n delete obj[key];\n if (move > 0 || intKey > start) {\n obj[intKey + move] = value;\n }\n }\n }\n}\n\n/**\n * @param {ChartEvent} e\n * @param {ChartEvent|null} lastEvent\n * @param {boolean} inChartArea\n * @param {boolean} isClick\n * @returns {ChartEvent|null}\n */\nfunction determineLastEvent(e, lastEvent, inChartArea, isClick) {\n if (!inChartArea || e.type === 'mouseout') {\n return null;\n }\n if (isClick) {\n return lastEvent;\n }\n return e;\n}\n\nfunction getSizeForArea(scale, chartArea, field) {\n return scale.options.clip ? scale[field] : chartArea[field];\n}\n\nfunction getDatasetArea(meta, chartArea) {\n const {xScale, yScale} = meta;\n if (xScale && yScale) {\n return {\n left: getSizeForArea(xScale, chartArea, 'left'),\n right: getSizeForArea(xScale, chartArea, 'right'),\n top: getSizeForArea(yScale, chartArea, 'top'),\n bottom: getSizeForArea(yScale, chartArea, 'bottom')\n };\n }\n return chartArea;\n}\n\nclass Chart {\n\n static defaults = defaults;\n static instances = instances;\n static overrides = overrides;\n static registry = registry;\n static version = version;\n static getChart = getChart;\n\n static register(...items) {\n registry.add(...items);\n invalidatePlugins();\n }\n\n static unregister(...items) {\n registry.remove(...items);\n invalidatePlugins();\n }\n\n // eslint-disable-next-line max-statements\n constructor(item, userConfig) {\n const config = this.config = new Config(userConfig);\n const initialCanvas = getCanvas(item);\n const existingChart = getChart(initialCanvas);\n if (existingChart) {\n throw new Error(\n 'Canvas is already in use. Chart with ID \\'' + existingChart.id + '\\'' +\n\t\t\t\t' must be destroyed before the canvas with ID \\'' + existingChart.canvas.id + '\\' can be reused.'\n );\n }\n\n const options = config.createResolver(config.chartOptionScopes(), this.getContext());\n\n this.platform = new (config.platform || _detectPlatform(initialCanvas))();\n this.platform.updateConfig(config);\n\n const context = this.platform.acquireContext(initialCanvas, options.aspectRatio);\n const canvas = context && context.canvas;\n const height = canvas && canvas.height;\n const width = canvas && canvas.width;\n\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 // Store the previously used aspect ratio to determine if a resize\n // is needed during updates. Do this after _options is set since\n // aspectRatio uses a getter\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 /** @type {?{attach?: function, detach?: function, resize?: function}} */\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(mode => this.update(mode), options.resizeDelay || 0);\n this._dataChanges = [];\n\n // Add the chart instance to the global namespace\n instances[this.id] = this;\n\n if (!context || !canvas) {\n // The given item is not a compatible context2d element, let's return before finalizing\n // the chart initialization but after setting basic chart / controller properties that\n // can help to figure out that the chart is not valid (e.g chart.canvas !== null);\n // https://github.com/chartjs/Chart.js/issues/2807\n console.error(\"Failed to create chart: can't acquire context from the given item\");\n return;\n }\n\n animator.listen(this, 'complete', onAnimationsComplete);\n animator.listen(this, 'progress', onAnimationProgress);\n\n this._initialize();\n if (this.attached) {\n this.update();\n }\n }\n\n get aspectRatio() {\n const {options: {aspectRatio, maintainAspectRatio}, width, height, _aspectRatio} = this;\n if (!isNullOrUndef(aspectRatio)) {\n // If aspectRatio is defined in options, use that.\n return aspectRatio;\n }\n\n if (maintainAspectRatio && _aspectRatio) {\n // If maintainAspectRatio is truthly and we had previously determined _aspectRatio, use that\n return _aspectRatio;\n }\n\n // Calculate\n return height ? width / height : null;\n }\n\n get data() {\n return this.config.data;\n }\n\n set data(data) {\n this.config.data = data;\n }\n\n get options() {\n return this._options;\n }\n\n set options(options) {\n this.config.options = options;\n }\n\n get registry() {\n return registry;\n }\n\n /**\n\t * @private\n\t */\n _initialize() {\n // Before init plugin notification\n this.notifyPlugins('beforeInit');\n\n if (this.options.responsive) {\n this.resize();\n } else {\n retinaScale(this, this.options.devicePixelRatio);\n }\n\n this.bindEvents();\n\n // After init plugin notification\n this.notifyPlugins('afterInit');\n\n return this;\n }\n\n clear() {\n clearCanvas(this.canvas, this.ctx);\n return this;\n }\n\n stop() {\n animator.stop(this);\n return this;\n }\n\n /**\n\t * Resize the chart to its container or to explicit dimensions.\n\t * @param {number} [width]\n\t * @param {number} [height]\n\t */\n resize(width, height) {\n if (!animator.running(this)) {\n this._resize(width, height);\n } else {\n this._resizeBeforeDraw = {width, height};\n }\n }\n\n _resize(width, height) {\n const options = this.options;\n const canvas = this.canvas;\n const aspectRatio = options.maintainAspectRatio && this.aspectRatio;\n const newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio);\n const newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio();\n const mode = this.width ? 'resize' : 'attach';\n\n this.width = newSize.width;\n this.height = newSize.height;\n this._aspectRatio = this.aspectRatio;\n if (!retinaScale(this, newRatio, true)) {\n return;\n }\n\n this.notifyPlugins('resize', {size: newSize});\n\n callCallback(options.onResize, [this, newSize], this);\n\n if (this.attached) {\n if (this._doResize(mode)) {\n // The resize update is delayed, only draw without updating.\n this.render();\n }\n }\n }\n\n ensureScalesHaveIDs() {\n const options = this.options;\n const scalesOptions = options.scales || {};\n\n each(scalesOptions, (axisOptions, axisID) => {\n axisOptions.id = axisID;\n });\n }\n\n /**\n\t * Builds a map of scale ID to scale object for future lookup.\n\t */\n buildOrUpdateScales() {\n const options = this.options;\n const scaleOpts = options.scales;\n const scales = this.scales;\n const updated = Object.keys(scales).reduce((obj, id) => {\n obj[id] = false;\n return obj;\n }, {});\n let items = [];\n\n if (scaleOpts) {\n items = items.concat(\n Object.keys(scaleOpts).map((id) => {\n const scaleOptions = scaleOpts[id];\n const axis = determineAxis(id, scaleOptions);\n const isRadial = axis === 'r';\n const 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\n each(items, (item) => {\n const scaleOptions = item.options;\n const id = scaleOptions.id;\n const axis = determineAxis(id, scaleOptions);\n const 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 let scale = null;\n if (id in scales && scales[id].type === scaleType) {\n scale = scales[id];\n } else {\n const scaleClass = registry.getScale(scaleType);\n scale = new scaleClass({\n id,\n type: scaleType,\n ctx: this.ctx,\n chart: this\n });\n scales[scale.id] = scale;\n }\n\n scale.init(scaleOptions, options);\n });\n // clear up discarded scales\n each(updated, (hasUpdated, id) => {\n if (!hasUpdated) {\n delete scales[id];\n }\n });\n\n each(scales, (scale) => {\n layouts.configure(this, scale, scale.options);\n layouts.addBox(this, scale);\n });\n }\n\n /**\n\t * @private\n\t */\n _updateMetasets() {\n const metasets = this._metasets;\n const numData = this.data.datasets.length;\n const numMeta = metasets.length;\n\n metasets.sort((a, b) => a.index - b.index);\n if (numMeta > numData) {\n for (let i = numData; i < numMeta; ++i) {\n this._destroyDatasetMeta(i);\n }\n metasets.splice(numData, numMeta - numData);\n }\n this._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index'));\n }\n\n /**\n\t * @private\n\t */\n _removeUnreferencedMetasets() {\n const {_metasets: metasets, data: {datasets}} = this;\n if (metasets.length > datasets.length) {\n delete this._stacks;\n }\n metasets.forEach((meta, index) => {\n if (datasets.filter(x => x === meta._dataset).length === 0) {\n this._destroyDatasetMeta(index);\n }\n });\n }\n\n buildOrUpdateControllers() {\n const newControllers = [];\n const datasets = this.data.datasets;\n let i, ilen;\n\n this._removeUnreferencedMetasets();\n\n for (i = 0, ilen = datasets.length; i < ilen; i++) {\n const dataset = datasets[i];\n let meta = this.getDatasetMeta(i);\n const type = dataset.type || this.config.type;\n\n if (meta.type && meta.type !== type) {\n this._destroyDatasetMeta(i);\n meta = this.getDatasetMeta(i);\n }\n meta.type = type;\n meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options);\n meta.order = dataset.order || 0;\n meta.index = i;\n meta.label = '' + dataset.label;\n meta.visible = this.isDatasetVisible(i);\n\n if (meta.controller) {\n meta.controller.updateIndex(i);\n meta.controller.linkScales();\n } else {\n const ControllerClass = registry.getController(type);\n const {datasetElementType, dataElementType} = defaults.datasets[type];\n Object.assign(ControllerClass, {\n dataElementType: registry.getElement(dataElementType),\n datasetElementType: datasetElementType && registry.getElement(datasetElementType)\n });\n meta.controller = new ControllerClass(this, i);\n newControllers.push(meta.controller);\n }\n }\n\n this._updateMetasets();\n return newControllers;\n }\n\n /**\n\t * Reset the elements of all datasets\n\t * @private\n\t */\n _resetElements() {\n each(this.data.datasets, (dataset, datasetIndex) => {\n this.getDatasetMeta(datasetIndex).controller.reset();\n }, this);\n }\n\n /**\n\t* Resets the chart back to its state before the initial animation\n\t*/\n reset() {\n this._resetElements();\n this.notifyPlugins('reset');\n }\n\n update(mode) {\n const config = this.config;\n\n config.update();\n const options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext());\n const animsDisabled = this._animationsDisabled = !options.animation;\n\n this._updateScales();\n this._checkEventBindings();\n this._updateHiddenIndices();\n\n // plugins options references might have change, let's invalidate the cache\n // https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167\n this._plugins.invalidate();\n\n if (this.notifyPlugins('beforeUpdate', {mode, cancelable: true}) === false) {\n return;\n }\n\n // Make sure dataset controllers are updated and new controllers are reset\n const newControllers = this.buildOrUpdateControllers();\n\n this.notifyPlugins('beforeElementsUpdate');\n\n // Make sure all dataset controllers have correct meta data counts\n let minPadding = 0;\n for (let i = 0, ilen = this.data.datasets.length; i < ilen; i++) {\n const {controller} = this.getDatasetMeta(i);\n const reset = !animsDisabled && newControllers.indexOf(controller) === -1;\n // New controllers will be reset after the layout pass, so we only want to modify\n // elements added to new datasets\n controller.buildOrUpdateElements(reset);\n minPadding = Math.max(+controller.getMaxOverflow(), minPadding);\n }\n minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0;\n this._updateLayout(minPadding);\n\n // Only reset the controllers if we have animations\n if (!animsDisabled) {\n // Can only reset the new controllers after the scales have been updated\n // Reset is done to get the starting point for the initial animation\n each(newControllers, (controller) => {\n controller.reset();\n });\n }\n\n this._updateDatasets(mode);\n\n // Do this before render so that any plugins that need final scale updates can use it\n this.notifyPlugins('afterUpdate', {mode});\n\n this._layers.sort(compare2Level('z', '_idx'));\n\n // Replay last event from before update, or set hover styles on active elements\n const {_active, _lastEvent} = this;\n if (_lastEvent) {\n this._eventHandler(_lastEvent, true);\n } else if (_active.length) {\n this._updateHoverStyles(_active, _active, true);\n }\n\n this.render();\n }\n\n /**\n * @private\n */\n _updateScales() {\n each(this.scales, (scale) => {\n layouts.removeBox(this, scale);\n });\n\n this.ensureScalesHaveIDs();\n this.buildOrUpdateScales();\n }\n\n /**\n * @private\n */\n _checkEventBindings() {\n const options = this.options;\n const existingEvents = new Set(Object.keys(this._listeners));\n const newEvents = new Set(options.events);\n\n if (!setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) {\n // The configured events have changed. Rebind.\n this.unbindEvents();\n this.bindEvents();\n }\n }\n\n /**\n * @private\n */\n _updateHiddenIndices() {\n const {_hiddenIndices} = this;\n const changes = this._getUniformDataChanges() || [];\n for (const {method, start, count} of changes) {\n const move = method === '_removeElements' ? -count : count;\n moveNumericKeys(_hiddenIndices, start, move);\n }\n }\n\n /**\n * @private\n */\n _getUniformDataChanges() {\n const _dataChanges = this._dataChanges;\n if (!_dataChanges || !_dataChanges.length) {\n return;\n }\n\n this._dataChanges = [];\n const datasetCount = this.data.datasets.length;\n const makeSet = (idx) => new Set(\n _dataChanges\n .filter(c => c[0] === idx)\n .map((c, i) => i + ',' + c.splice(1).join(','))\n );\n\n const changeSet = makeSet(0);\n for (let i = 1; i < datasetCount; i++) {\n if (!setsEqual(changeSet, makeSet(i))) {\n return;\n }\n }\n return Array.from(changeSet)\n .map(c => c.split(','))\n .map(a => ({method: a[1], start: +a[2], count: +a[3]}));\n }\n\n /**\n\t * Updates the chart layout unless a plugin returns `false` to the `beforeLayout`\n\t * hook, in which case, plugins will not be called on `afterLayout`.\n\t * @private\n\t */\n _updateLayout(minPadding) {\n if (this.notifyPlugins('beforeLayout', {cancelable: true}) === false) {\n return;\n }\n\n layouts.update(this, this.width, this.height, minPadding);\n\n const area = this.chartArea;\n const noArea = area.width <= 0 || area.height <= 0;\n\n this._layers = [];\n each(this.boxes, (box) => {\n if (noArea && box.position === 'chartArea') {\n // Skip drawing and configuring chartArea boxes when chartArea is zero or negative\n return;\n }\n\n // configure is called twice, once in core.scale.update and once here.\n // Here the boxes are fully updated and at their final positions.\n if (box.configure) {\n box.configure();\n }\n this._layers.push(...box._layers());\n }, this);\n\n this._layers.forEach((item, index) => {\n item._idx = index;\n });\n\n this.notifyPlugins('afterLayout');\n }\n\n /**\n\t * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate`\n\t * hook, in which case, plugins will not be called on `afterDatasetsUpdate`.\n\t * @private\n\t */\n _updateDatasets(mode) {\n if (this.notifyPlugins('beforeDatasetsUpdate', {mode, cancelable: true}) === false) {\n return;\n }\n\n for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n this.getDatasetMeta(i).controller.configure();\n }\n\n for (let i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n this._updateDataset(i, isFunction(mode) ? mode({datasetIndex: i}) : mode);\n }\n\n this.notifyPlugins('afterDatasetsUpdate', {mode});\n }\n\n /**\n\t * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate`\n\t * hook, in which case, plugins will not be called on `afterDatasetUpdate`.\n\t * @private\n\t */\n _updateDataset(index, mode) {\n const meta = this.getDatasetMeta(index);\n const args = {meta, index, mode, cancelable: true};\n\n if (this.notifyPlugins('beforeDatasetUpdate', args) === false) {\n return;\n }\n\n meta.controller._update(mode);\n\n args.cancelable = false;\n this.notifyPlugins('afterDatasetUpdate', args);\n }\n\n render() {\n if (this.notifyPlugins('beforeRender', {cancelable: true}) === false) {\n return;\n }\n\n if (animator.has(this)) {\n if (this.attached && !animator.running(this)) {\n animator.start(this);\n }\n } else {\n this.draw();\n onAnimationsComplete({chart: this});\n }\n }\n\n draw() {\n let i;\n if (this._resizeBeforeDraw) {\n const {width, height} = this._resizeBeforeDraw;\n // Unset pending resize request now to avoid possible recursion within _resize\n this._resizeBeforeDraw = null;\n this._resize(width, height);\n }\n this.clear();\n\n if (this.width <= 0 || this.height <= 0) {\n return;\n }\n\n if (this.notifyPlugins('beforeDraw', {cancelable: true}) === false) {\n return;\n }\n\n // Because of plugin hooks (before/afterDatasetsDraw), datasets can't\n // currently be part of layers. Instead, we draw\n // layers <= 0 before(default, backward compat), and the rest after\n const layers = this._layers;\n for (i = 0; i < layers.length && layers[i].z <= 0; ++i) {\n layers[i].draw(this.chartArea);\n }\n\n this._drawDatasets();\n\n // Rest of layers\n for (; i < layers.length; ++i) {\n layers[i].draw(this.chartArea);\n }\n\n this.notifyPlugins('afterDraw');\n }\n\n /**\n\t * @private\n\t */\n _getSortedDatasetMetas(filterVisible) {\n const metasets = this._sortedMetasets;\n const result = [];\n let i, ilen;\n\n for (i = 0, ilen = metasets.length; i < ilen; ++i) {\n const meta = metasets[i];\n if (!filterVisible || meta.visible) {\n result.push(meta);\n }\n }\n\n return result;\n }\n\n /**\n\t * Gets the visible dataset metas in drawing order\n\t * @return {object[]}\n\t */\n getSortedVisibleDatasetMetas() {\n return this._getSortedDatasetMetas(true);\n }\n\n /**\n\t * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw`\n\t * hook, in which case, plugins will not be called on `afterDatasetsDraw`.\n\t * @private\n\t */\n _drawDatasets() {\n if (this.notifyPlugins('beforeDatasetsDraw', {cancelable: true}) === false) {\n return;\n }\n\n const metasets = this.getSortedVisibleDatasetMetas();\n for (let i = metasets.length - 1; i >= 0; --i) {\n this._drawDataset(metasets[i]);\n }\n\n this.notifyPlugins('afterDatasetsDraw');\n }\n\n /**\n\t * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw`\n\t * hook, in which case, plugins will not be called on `afterDatasetDraw`.\n\t * @private\n\t */\n _drawDataset(meta) {\n const ctx = this.ctx;\n const clip = meta._clip;\n const useClip = !clip.disabled;\n const area = getDatasetArea(meta, this.chartArea);\n const args = {\n meta,\n index: meta.index,\n cancelable: true\n };\n\n if (this.notifyPlugins('beforeDatasetDraw', args) === false) {\n return;\n }\n\n if (useClip) {\n clipArea(ctx, {\n left: clip.left === false ? 0 : area.left - clip.left,\n right: clip.right === false ? this.width : area.right + clip.right,\n top: clip.top === false ? 0 : area.top - clip.top,\n bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom\n });\n }\n\n meta.controller.draw();\n\n if (useClip) {\n unclipArea(ctx);\n }\n\n args.cancelable = false;\n this.notifyPlugins('afterDatasetDraw', args);\n }\n\n /**\n * Checks whether the given point is in the chart area.\n * @param {Point} point - in relative coordinates (see, e.g., getRelativePosition)\n * @returns {boolean}\n */\n isPointInArea(point) {\n return _isPointInArea(point, this.chartArea, this._minPadding);\n }\n\n getElementsAtEventForMode(e, mode, options, useFinalPosition) {\n const method = Interaction.modes[mode];\n if (typeof method === 'function') {\n return method(this, e, options, useFinalPosition);\n }\n\n return [];\n }\n\n getDatasetMeta(datasetIndex) {\n const dataset = this.data.datasets[datasetIndex];\n const metasets = this._metasets;\n let meta = metasets.filter(x => x && x._dataset === dataset).pop();\n\n if (!meta) {\n meta = {\n type: null,\n data: [],\n dataset: null,\n controller: null,\n hidden: null,\t\t\t// See isDatasetVisible() comment\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 getContext() {\n return this.$context || (this.$context = createContext(null, {chart: this, type: 'chart'}));\n }\n\n getVisibleDatasetCount() {\n return this.getSortedVisibleDatasetMetas().length;\n }\n\n isDatasetVisible(datasetIndex) {\n const dataset = this.data.datasets[datasetIndex];\n if (!dataset) {\n return false;\n }\n\n const meta = this.getDatasetMeta(datasetIndex);\n\n // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false,\n // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned.\n return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden;\n }\n\n setDatasetVisibility(datasetIndex, visible) {\n const meta = this.getDatasetMeta(datasetIndex);\n meta.hidden = !visible;\n }\n\n toggleDataVisibility(index) {\n this._hiddenIndices[index] = !this._hiddenIndices[index];\n }\n\n getDataVisibility(index) {\n return !this._hiddenIndices[index];\n }\n\n /**\n\t * @private\n\t */\n _updateVisibility(datasetIndex, dataIndex, visible) {\n const mode = visible ? 'show' : 'hide';\n const meta = this.getDatasetMeta(datasetIndex);\n const anims = meta.controller._resolveAnimations(undefined, mode);\n\n if (defined(dataIndex)) {\n meta.data[dataIndex].hidden = !visible;\n this.update();\n } else {\n this.setDatasetVisibility(datasetIndex, visible);\n // Animate visible state, so hide animation can be seen. This could be handled better if update / updateDataset returned a Promise.\n anims.update(meta, {visible});\n this.update((ctx) => ctx.datasetIndex === datasetIndex ? mode : undefined);\n }\n }\n\n hide(datasetIndex, dataIndex) {\n this._updateVisibility(datasetIndex, dataIndex, false);\n }\n\n show(datasetIndex, dataIndex) {\n this._updateVisibility(datasetIndex, dataIndex, true);\n }\n\n /**\n\t * @private\n\t */\n _destroyDatasetMeta(datasetIndex) {\n const meta = this._metasets[datasetIndex];\n if (meta && meta.controller) {\n meta.controller._destroy();\n }\n delete this._metasets[datasetIndex];\n }\n\n _stop() {\n let i, ilen;\n this.stop();\n animator.remove(this);\n\n for (i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n this._destroyDatasetMeta(i);\n }\n }\n\n destroy() {\n this.notifyPlugins('beforeDestroy');\n const {canvas, ctx} = this;\n\n this._stop();\n this.config.clearCache();\n\n if (canvas) {\n this.unbindEvents();\n clearCanvas(canvas, ctx);\n this.platform.releaseContext(ctx);\n this.canvas = null;\n this.ctx = null;\n }\n\n delete instances[this.id];\n\n this.notifyPlugins('afterDestroy');\n }\n\n toBase64Image(...args) {\n return this.canvas.toDataURL(...args);\n }\n\n /**\n\t * @private\n\t */\n bindEvents() {\n this.bindUserEvents();\n if (this.options.responsive) {\n this.bindResponsiveEvents();\n } else {\n this.attached = true;\n }\n }\n\n /**\n * @private\n */\n bindUserEvents() {\n const listeners = this._listeners;\n const platform = this.platform;\n\n const _add = (type, listener) => {\n platform.addEventListener(this, type, listener);\n listeners[type] = listener;\n };\n\n const listener = (e, x, y) => {\n e.offsetX = x;\n e.offsetY = y;\n this._eventHandler(e);\n };\n\n each(this.options.events, (type) => _add(type, listener));\n }\n\n /**\n * @private\n */\n bindResponsiveEvents() {\n if (!this._responsiveListeners) {\n this._responsiveListeners = {};\n }\n const listeners = this._responsiveListeners;\n const platform = this.platform;\n\n const _add = (type, listener) => {\n platform.addEventListener(this, type, listener);\n listeners[type] = listener;\n };\n const _remove = (type, listener) => {\n if (listeners[type]) {\n platform.removeEventListener(this, type, listener);\n delete listeners[type];\n }\n };\n\n const listener = (width, height) => {\n if (this.canvas) {\n this.resize(width, height);\n }\n };\n\n let detached; // eslint-disable-line prefer-const\n const attached = () => {\n _remove('attach', attached);\n\n this.attached = true;\n this.resize();\n\n _add('resize', listener);\n _add('detach', detached);\n };\n\n detached = () => {\n this.attached = false;\n\n _remove('resize', listener);\n\n // Stop animating and remove metasets, so when re-attached, the animations start from beginning.\n this._stop();\n this._resize(0, 0);\n\n _add('attach', attached);\n };\n\n if (platform.isAttached(this.canvas)) {\n attached();\n } else {\n detached();\n }\n }\n\n /**\n\t * @private\n\t */\n unbindEvents() {\n each(this._listeners, (listener, type) => {\n this.platform.removeEventListener(this, type, listener);\n });\n this._listeners = {};\n\n each(this._responsiveListeners, (listener, type) => {\n this.platform.removeEventListener(this, type, listener);\n });\n this._responsiveListeners = undefined;\n }\n\n updateHoverStyle(items, mode, enabled) {\n const prefix = enabled ? 'set' : 'remove';\n let 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 const controller = item && this.getDatasetMeta(item.datasetIndex).controller;\n if (controller) {\n controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index);\n }\n }\n }\n\n /**\n\t * Get active (hovered) elements\n\t * @returns array\n\t */\n getActiveElements() {\n return this._active || [];\n }\n\n /**\n\t * Set active (hovered) elements\n\t * @param {array} activeElements New active data points\n\t */\n setActiveElements(activeElements) {\n const lastActive = this._active || [];\n const active = activeElements.map(({datasetIndex, index}) => {\n const meta = this.getDatasetMeta(datasetIndex);\n if (!meta) {\n throw new Error('No dataset found at index ' + datasetIndex);\n }\n\n return {\n datasetIndex,\n element: meta.data[index],\n index,\n };\n });\n const changed = !_elementsEqual(active, lastActive);\n\n if (changed) {\n this._active = active;\n // Make sure we don't use the previous mouse event to override the active elements in update.\n this._lastEvent = null;\n this._updateHoverStyles(active, lastActive);\n }\n }\n\n /**\n\t * Calls enabled plugins on the specified hook and with the given args.\n\t * This method immediately returns as soon as a plugin explicitly returns false. The\n\t * returned value can be used, for instance, to interrupt the current action.\n\t * @param {string} hook - The name of the plugin method to call (e.g. 'beforeUpdate').\n\t * @param {Object} [args] - Extra arguments to apply to the hook call.\n * @param {import('./core.plugins.js').filterCallback} [filter] - Filtering function for limiting which plugins are notified\n\t * @returns {boolean} false if any of the plugins return false, else returns true.\n\t */\n notifyPlugins(hook, args, filter) {\n return this._plugins.notify(this, hook, args, filter);\n }\n\n /**\n * Check if a plugin with the specific ID is registered and enabled\n * @param {string} pluginId - The ID of the plugin of which to check if it is enabled\n * @returns {boolean}\n */\n isPluginEnabled(pluginId) {\n return this._plugins._cache.filter(p => p.plugin.id === pluginId).length === 1;\n }\n\n /**\n\t * @private\n\t */\n _updateHoverStyles(active, lastActive, replay) {\n const hoverOptions = this.options.hover;\n const diff = (a, b) => a.filter(x => !b.some(y => x.datasetIndex === y.datasetIndex && x.index === y.index));\n const deactivated = diff(lastActive, active);\n const activated = replay ? active : diff(active, lastActive);\n\n if (deactivated.length) {\n this.updateHoverStyle(deactivated, hoverOptions.mode, false);\n }\n\n if (activated.length && hoverOptions.mode) {\n this.updateHoverStyle(activated, hoverOptions.mode, true);\n }\n }\n\n /**\n\t * @private\n\t */\n _eventHandler(e, replay) {\n const args = {\n event: e,\n replay,\n cancelable: true,\n inChartArea: this.isPointInArea(e)\n };\n const eventFilter = (plugin) => (plugin.options.events || this.options.events).includes(e.native.type);\n\n if (this.notifyPlugins('beforeEvent', args, eventFilter) === false) {\n return;\n }\n\n const changed = this._handleEvent(e, replay, args.inChartArea);\n\n args.cancelable = false;\n this.notifyPlugins('afterEvent', args, eventFilter);\n\n if (changed || args.changed) {\n this.render();\n }\n\n return this;\n }\n\n /**\n\t * Handle an event\n\t * @param {ChartEvent} e the event to handle\n\t * @param {boolean} [replay] - true if the event was replayed by `update`\n * @param {boolean} [inChartArea] - true if the event is inside chartArea\n\t * @return {boolean} true if the chart needs to re-render\n\t * @private\n\t */\n _handleEvent(e, replay, inChartArea) {\n const {_active: lastActive = [], options} = this;\n\n // If the event is replayed from `update`, we should evaluate with the final positions.\n //\n // The `replay`:\n // It's the last event (excluding click) that has occurred before `update`.\n // So mouse has not moved. It's also over the chart, because there is a `replay`.\n //\n // The why:\n // If animations are active, the elements haven't moved yet compared to state before update.\n // But if they will, we are activating the elements that would be active, if this check\n // was done after the animations have completed. => \"final positions\".\n // If there is no animations, the \"final\" and \"current\" positions are equal.\n // This is done so we do not have to evaluate the active elements each animation frame\n // - it would be expensive.\n const useFinalPosition = replay;\n const active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition);\n const isClick = _isClickEvent(e);\n const lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick);\n\n if (inChartArea) {\n // Set _lastEvent to null while we are processing the event handlers.\n // This prevents recursion if the handler calls chart.update()\n this._lastEvent = null;\n\n // Invoke onHover hook\n callCallback(options.onHover, [e, active, this], this);\n\n if (isClick) {\n callCallback(options.onClick, [e, active, this], this);\n }\n }\n\n const changed = !_elementsEqual(active, lastActive);\n if (changed || replay) {\n this._active = active;\n this._updateHoverStyles(active, lastActive, replay);\n }\n\n this._lastEvent = lastEvent;\n\n return changed;\n }\n\n /**\n * @param {ChartEvent} e - The event\n * @param {import('../types/index.js').ActiveElement[]} lastActive - Previously active elements\n * @param {boolean} inChartArea - Is the event inside chartArea\n * @param {boolean} useFinalPosition - Should the evaluation be done with current or final (after animation) element positions\n * @returns {import('../types/index.js').ActiveElement[]} - The active elements\n * @pravate\n */\n _getActiveElements(e, lastActive, inChartArea, useFinalPosition) {\n if (e.type === 'mouseout') {\n return [];\n }\n\n if (!inChartArea) {\n // Let user control the active elements outside chartArea. Eg. using Legend.\n return lastActive;\n }\n\n const hoverOptions = this.options.hover;\n return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition);\n }\n}\n\n// @ts-ignore\nfunction invalidatePlugins() {\n return each(Chart.instances, (chart) => chart._plugins.invalidate());\n}\n\nexport default Chart;\n","import Element from '../core/core.element.js';\nimport {_angleBetween, getAngleFromPoint, TAU, HALF_PI, valueOrDefault} from '../helpers/index.js';\nimport {PI, _isBetween, _limitValue} from '../helpers/helpers.math.js';\nimport {_readValueToProps} from '../helpers/helpers.options.js';\nimport type {ArcOptions, Point} from '../types/index.js';\n\n\nfunction clipArc(ctx: CanvasRenderingContext2D, element: ArcElement, endAngle: number) {\n const {startAngle, pixelMargin, x, y, outerRadius, innerRadius} = element;\n let angleMargin = pixelMargin / outerRadius;\n\n // Draw an inner border by clipping the arc and drawing a double-width border\n // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders\n ctx.beginPath();\n ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin);\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 ctx.closePath();\n ctx.clip();\n}\n\nfunction toRadiusCorners(value) {\n return _readValueToProps(value, ['outerStart', 'outerEnd', 'innerStart', 'innerEnd']);\n}\n\n/**\n * Parse border radius from the provided options\n */\nfunction parseBorderRadius(arc: ArcElement, innerRadius: number, outerRadius: number, angleDelta: number) {\n const o = toRadiusCorners(arc.options.borderRadius);\n const halfThickness = (outerRadius - innerRadius) / 2;\n const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2);\n\n // Outer limits are complicated. We want to compute the available angular distance at\n // a radius of outerRadius - borderRadius because for small angular distances, this term limits.\n // We compute at r = outerRadius - borderRadius because this circle defines the center of the border corners.\n //\n // If the borderRadius is large, that value can become negative.\n // This causes the outer borders to lose their radius entirely, which is rather unexpected. To solve that, if borderRadius > outerRadius\n // we know that the thickness term will dominate and compute the limits at that point\n const computeOuterLimit = (val) => {\n const 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\n/**\n * Convert (r, 𝜃) to (x, y)\n */\nfunction rThetaToXY(r: number, theta: number, x: number, y: number) {\n return {\n x: x + r * Math.cos(theta),\n y: y + r * Math.sin(theta),\n };\n}\n\n\n/**\n * Path the arc, respecting border radius by separating into left and right halves.\n *\n * Start End\n *\n * 1--->a--->2 Outer\n * / \\\n * 8 3\n * | |\n * | |\n * 7 4\n * \\ /\n * 6<---b<---5 Inner\n */\nfunction pathArc(\n ctx: CanvasRenderingContext2D,\n element: ArcElement,\n offset: number,\n spacing: number,\n end: number,\n circular: boolean,\n) {\n const {x, y, startAngle: start, pixelMargin, innerRadius: innerR} = element;\n\n const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0);\n const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0;\n\n let spacingOffset = 0;\n const alpha = end - start;\n\n if (spacing) {\n // When spacing is present, it is the same for all items\n // So we adjust the start and end angle of the arc such that\n // the distance is the same as it would be without the spacing\n const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0;\n const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0;\n const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2;\n const adjustedAngle = avNogSpacingRadius !== 0 ? (alpha * avNogSpacingRadius) / (avNogSpacingRadius + spacing) : alpha;\n spacingOffset = (alpha - adjustedAngle) / 2;\n }\n\n const beta = Math.max(0.001, alpha * outerRadius - offset / PI) / outerRadius;\n const angleOffset = (alpha - beta) / 2;\n const startAngle = start + angleOffset + spacingOffset;\n const endAngle = end - angleOffset - spacingOffset;\n const {outerStart, outerEnd, innerStart, innerEnd} = parseBorderRadius(element, innerRadius, outerRadius, endAngle - startAngle);\n\n const outerStartAdjustedRadius = outerRadius - outerStart;\n const outerEndAdjustedRadius = outerRadius - outerEnd;\n const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius;\n const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius;\n\n const innerStartAdjustedRadius = innerRadius + innerStart;\n const innerEndAdjustedRadius = innerRadius + innerEnd;\n const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius;\n const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius;\n\n ctx.beginPath();\n\n if (circular) {\n // The first arc segments from point 1 to point a to point 2\n const outerMidAdjustedAngle = (outerStartAdjustedAngle + outerEndAdjustedAngle) / 2;\n ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerMidAdjustedAngle);\n ctx.arc(x, y, outerRadius, outerMidAdjustedAngle, outerEndAdjustedAngle);\n\n // The corner segment from point 2 to point 3\n if (outerEnd > 0) {\n const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y);\n ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + HALF_PI);\n }\n\n // The line from point 3 to point 4\n const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y);\n ctx.lineTo(p4.x, p4.y);\n\n // The corner segment from point 4 to point 5\n if (innerEnd > 0) {\n const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y);\n ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + HALF_PI, innerEndAdjustedAngle + Math.PI);\n }\n\n // The inner arc from point 5 to point b to point 6\n const innerMidAdjustedAngle = ((endAngle - (innerEnd / innerRadius)) + (startAngle + (innerStart / innerRadius))) / 2;\n ctx.arc(x, y, innerRadius, endAngle - (innerEnd / innerRadius), innerMidAdjustedAngle, true);\n ctx.arc(x, y, innerRadius, innerMidAdjustedAngle, startAngle + (innerStart / innerRadius), true);\n\n // The corner segment from point 6 to point 7\n if (innerStart > 0) {\n const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y);\n ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - HALF_PI);\n }\n\n // The line from point 7 to point 8\n const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y);\n ctx.lineTo(p8.x, p8.y);\n\n // The corner segment from point 8 to point 1\n if (outerStart > 0) {\n const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y);\n ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - HALF_PI, outerStartAdjustedAngle);\n }\n } else {\n ctx.moveTo(x, y);\n\n const outerStartX = Math.cos(outerStartAdjustedAngle) * outerRadius + x;\n const outerStartY = Math.sin(outerStartAdjustedAngle) * outerRadius + y;\n ctx.lineTo(outerStartX, outerStartY);\n\n const outerEndX = Math.cos(outerEndAdjustedAngle) * outerRadius + x;\n const outerEndY = Math.sin(outerEndAdjustedAngle) * outerRadius + y;\n ctx.lineTo(outerEndX, outerEndY);\n }\n\n ctx.closePath();\n}\n\nfunction drawArc(\n ctx: CanvasRenderingContext2D,\n element: ArcElement,\n offset: number,\n spacing: number,\n circular: boolean,\n) {\n const {fullCircles, startAngle, circumference} = element;\n let endAngle = element.endAngle;\n if (fullCircles) {\n pathArc(ctx, element, offset, spacing, endAngle, circular);\n for (let i = 0; i < fullCircles; ++i) {\n ctx.fill();\n }\n if (!isNaN(circumference)) {\n endAngle = startAngle + (circumference % TAU || TAU);\n }\n }\n pathArc(ctx, element, offset, spacing, endAngle, circular);\n ctx.fill();\n return endAngle;\n}\n\nfunction drawBorder(\n ctx: CanvasRenderingContext2D,\n element: ArcElement,\n offset: number,\n spacing: number,\n circular: boolean,\n) {\n const {fullCircles, startAngle, circumference, options} = element;\n const {borderWidth, borderJoinStyle, borderDash, borderDashOffset} = options;\n const inner = options.borderAlign === 'inner';\n\n if (!borderWidth) {\n return;\n }\n\n ctx.setLineDash(borderDash || []);\n ctx.lineDashOffset = borderDashOffset;\n\n if (inner) {\n ctx.lineWidth = borderWidth * 2;\n ctx.lineJoin = borderJoinStyle || 'round';\n } else {\n ctx.lineWidth = borderWidth;\n ctx.lineJoin = borderJoinStyle || 'bevel';\n }\n\n let endAngle = element.endAngle;\n if (fullCircles) {\n pathArc(ctx, element, offset, spacing, endAngle, circular);\n for (let i = 0; i < fullCircles; ++i) {\n ctx.stroke();\n }\n if (!isNaN(circumference)) {\n endAngle = startAngle + (circumference % TAU || TAU);\n }\n }\n\n if (inner) {\n clipArc(ctx, element, endAngle);\n }\n\n if (!fullCircles) {\n pathArc(ctx, element, offset, spacing, endAngle, circular);\n ctx.stroke();\n }\n}\n\nexport interface ArcProps extends Point {\n startAngle: number;\n endAngle: number;\n innerRadius: number;\n outerRadius: number;\n circumference: number;\n}\n\nexport default class ArcElement extends Element {\n\n static id = 'arc';\n\n static defaults = {\n borderAlign: 'center',\n borderColor: '#fff',\n borderDash: [],\n borderDashOffset: 0,\n borderJoinStyle: undefined,\n borderRadius: 0,\n borderWidth: 2,\n offset: 0,\n spacing: 0,\n angle: undefined,\n circular: true,\n };\n\n static defaultRoutes = {\n backgroundColor: 'backgroundColor'\n };\n\n static descriptors = {\n _scriptable: true,\n _indexable: (name) => name !== 'borderDash'\n };\n\n circumference: number;\n endAngle: number;\n fullCircles: number;\n innerRadius: number;\n outerRadius: number;\n pixelMargin: number;\n startAngle: number;\n\n constructor(cfg) {\n super();\n\n this.options = undefined;\n this.circumference = undefined;\n this.startAngle = undefined;\n this.endAngle = undefined;\n this.innerRadius = undefined;\n this.outerRadius = undefined;\n this.pixelMargin = 0;\n this.fullCircles = 0;\n\n if (cfg) {\n Object.assign(this, cfg);\n }\n }\n\n inRange(chartX: number, chartY: number, useFinalPosition: boolean) {\n const point = this.getProps(['x', 'y'], useFinalPosition);\n const {angle, distance} = getAngleFromPoint(point, {x: chartX, y: chartY});\n const {startAngle, endAngle, innerRadius, outerRadius, circumference} = this.getProps([\n 'startAngle',\n 'endAngle',\n 'innerRadius',\n 'outerRadius',\n 'circumference'\n ], useFinalPosition);\n const rAdjust = (this.options.spacing + this.options.borderWidth) / 2;\n const _circumference = valueOrDefault(circumference, endAngle - startAngle);\n const nonZeroBetween = _angleBetween(angle, startAngle, endAngle) && startAngle !== endAngle;\n const betweenAngles = _circumference >= TAU || nonZeroBetween;\n const withinRadius = _isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust);\n\n return (betweenAngles && withinRadius);\n }\n\n getCenterPoint(useFinalPosition: boolean) {\n const {x, y, startAngle, endAngle, innerRadius, outerRadius} = this.getProps([\n 'x',\n 'y',\n 'startAngle',\n 'endAngle',\n 'innerRadius',\n 'outerRadius'\n ], useFinalPosition);\n const {offset, spacing} = this.options;\n const halfAngle = (startAngle + endAngle) / 2;\n const 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 tooltipPosition(useFinalPosition: boolean) {\n return this.getCenterPoint(useFinalPosition);\n }\n\n draw(ctx: CanvasRenderingContext2D) {\n const {options, circumference} = this;\n const offset = (options.offset || 0) / 4;\n const spacing = (options.spacing || 0) / 2;\n const circular = options.circular;\n this.pixelMargin = (options.borderAlign === 'inner') ? 0.33 : 0;\n this.fullCircles = circumference > TAU ? Math.floor(circumference / TAU) : 0;\n\n if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) {\n return;\n }\n\n ctx.save();\n\n const halfAngle = (this.startAngle + this.endAngle) / 2;\n ctx.translate(Math.cos(halfAngle) * offset, Math.sin(halfAngle) * offset);\n const fix = 1 - Math.sin(Math.min(PI, circumference || 0));\n const radiusOffset = offset * fix;\n\n ctx.fillStyle = options.backgroundColor;\n ctx.strokeStyle = options.borderColor;\n\n drawArc(ctx, this, radiusOffset, spacing, circular);\n drawBorder(ctx, this, radiusOffset, spacing, circular);\n\n ctx.restore();\n }\n}\n","import Element from '../core/core.element.js';\nimport {_bezierInterpolation, _pointInLine, _steppedInterpolation} from '../helpers/helpers.interpolation.js';\nimport {_computeSegments, _boundSegments} from '../helpers/helpers.segment.js';\nimport {_steppedLineTo, _bezierCurveTo} from '../helpers/helpers.canvas.js';\nimport {_updateBezierControlPoints} from '../helpers/helpers.curve.js';\nimport {valueOrDefault} from '../helpers/index.js';\n\n/**\n * @typedef { import('./element.point.js').default } PointElement\n */\n\nfunction setStyle(ctx, options, style = 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\n/**\n * @returns {any}\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, params = {}) {\n const count = points.length;\n const {start: paramsStart = 0, end: paramsEnd = count - 1} = params;\n const {start: segmentStart, end: segmentEnd} = segment;\n const start = Math.max(paramsStart, segmentStart);\n const end = Math.min(paramsEnd, segmentEnd);\n const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd;\n\n return {\n count,\n start,\n loop: segment.loop,\n ilen: end < start && !outside ? count + end - start : end - start\n };\n}\n\n/**\n * Create path from points, grouping by truncated x-coordinate\n * Points need to be in order by x-coordinate for this to work efficiently\n * @param {CanvasRenderingContext2D|Path2D} ctx - Context\n * @param {LineElement} line\n * @param {object} segment\n * @param {number} segment.start - start index of the segment, referring the points array\n * @param {number} segment.end - end index of the segment, referring the points array\n * @param {boolean} segment.loop - indicates that the segment is a loop\n * @param {object} params\n * @param {boolean} params.move - move to starting point (vs line to it)\n * @param {boolean} params.reverse - path the segment from end to start\n * @param {number} params.start - limit segment to points starting from `start` index\n * @param {number} params.end - limit segment to points ending at `start` + `count` index\n */\nfunction pathSegment(ctx, line, segment, params) {\n const {points, options} = line;\n const {count, start, loop, ilen} = pathVars(points, segment, params);\n const lineMethod = getLineMethod(options);\n // eslint-disable-next-line prefer-const\n let {move = true, reverse} = params || {};\n let 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 // If there is a skipped point inside a segment, spanGaps must be true\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\n/**\n * Create path from points, grouping by truncated x-coordinate\n * Points need to be in order by x-coordinate for this to work efficiently\n * @param {CanvasRenderingContext2D|Path2D} ctx - Context\n * @param {LineElement} line\n * @param {object} segment\n * @param {number} segment.start - start index of the segment, referring the points array\n * @param {number} segment.end - end index of the segment, referring the points array\n * @param {boolean} segment.loop - indicates that the segment is a loop\n * @param {object} params\n * @param {boolean} params.move - move to starting point (vs line to it)\n * @param {boolean} params.reverse - path the segment from end to start\n * @param {number} params.start - limit segment to points starting from `start` index\n * @param {number} params.end - limit segment to points ending at `start` + `count` index\n */\nfunction fastPathSegment(ctx, line, segment, params) {\n const points = line.points;\n const {count, start, ilen} = pathVars(points, segment, params);\n const {move = true, reverse} = params || {};\n let avgX = 0;\n let countX = 0;\n let i, point, prevX, minY, maxY, lastY;\n\n const pointIndex = (index) => (start + (reverse ? ilen - index : index)) % count;\n const drawX = () => {\n if (minY !== maxY) {\n // Draw line to maxY and minY, using the average x-coordinate\n ctx.lineTo(avgX, maxY);\n ctx.lineTo(avgX, minY);\n // Line to y-value of last point in group. So the line continues\n // from correct position. Not using move, to have solid path.\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 // If there is a skipped point inside a segment, spanGaps must be true\n continue;\n }\n\n const x = point.x;\n const y = point.y;\n const truncX = x | 0; // truncated x-coordinate\n\n if (truncX === prevX) {\n // Determine `minY` / `maxY` and `avgX` while we stay within same x-position\n if (y < minY) {\n minY = y;\n } else if (y > maxY) {\n maxY = y;\n }\n // For first point in group, countX is `0`, so average will be `x` / 1.\n avgX = (countX * avgX + x) / ++countX;\n } else {\n drawX();\n // Draw line to next x-position, using the first (or only)\n // y-value in that group\n ctx.lineTo(x, y);\n\n prevX = truncX;\n countX = 0;\n minY = maxY = y;\n }\n // Keep track of the last y-value in group\n lastY = y;\n }\n drawX();\n}\n\n/**\n * @param {LineElement} line - the line\n * @returns {function}\n * @private\n */\nfunction _getSegmentMethod(line) {\n const opts = line.options;\n const borderDash = opts.borderDash && opts.borderDash.length;\n const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash;\n return useFastPath ? fastPathSegment : pathSegment;\n}\n\n/**\n * @private\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 let path = line._path;\n if (!path) {\n path = line._path = new Path2D();\n if (line.path(path, start, count)) {\n path.closePath();\n }\n }\n setStyle(ctx, line.options);\n ctx.stroke(path);\n}\n\nfunction strokePathDirect(ctx, line, start, count) {\n const {segments, options} = line;\n const segmentMethod = _getSegmentMethod(line);\n\n for (const segment of segments) {\n setStyle(ctx, options, segment.style);\n ctx.beginPath();\n if (segmentMethod(ctx, line, segment, {start, end: start + count - 1})) {\n ctx.closePath();\n }\n ctx.stroke();\n }\n}\n\nconst usePath2D = typeof Path2D === 'function';\n\nfunction draw(ctx, line, start, count) {\n if (usePath2D && !line.options.segment) {\n strokePathWithCache(ctx, line, start, count);\n } else {\n strokePathDirect(ctx, line, start, count);\n }\n}\n\nexport default class LineElement extends Element {\n\n static id = 'line';\n\n /**\n * @type {any}\n */\n static 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 };\n\n /**\n * @type {any}\n */\n static defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n };\n\n\n static descriptors = {\n _scriptable: true,\n _indexable: (name) => name !== 'borderDash' && name !== 'fill',\n };\n\n\n constructor(cfg) {\n super();\n\n this.animated = true;\n this.options = undefined;\n this._chart = undefined;\n this._loop = undefined;\n this._fullLoop = undefined;\n this._path = undefined;\n this._points = undefined;\n this._segments = undefined;\n this._decimated = false;\n this._pointsUpdated = false;\n this._datasetIndex = undefined;\n\n if (cfg) {\n Object.assign(this, cfg);\n }\n }\n\n updateControlPoints(chartArea, indexAxis) {\n const options = this.options;\n if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !this._pointsUpdated) {\n const loop = options.spanGaps ? this._loop : this._fullLoop;\n _updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis);\n this._pointsUpdated = true;\n }\n }\n\n set points(points) {\n this._points = points;\n delete this._segments;\n delete this._path;\n this._pointsUpdated = false;\n }\n\n get points() {\n return this._points;\n }\n\n get segments() {\n return this._segments || (this._segments = _computeSegments(this, this.options.segment));\n }\n\n /**\n\t * First non-skipped point on this line\n\t * @returns {PointElement|undefined}\n\t */\n first() {\n const segments = this.segments;\n const points = this.points;\n return segments.length && points[segments[0].start];\n }\n\n /**\n\t * Last non-skipped point on this line\n\t * @returns {PointElement|undefined}\n\t */\n last() {\n const segments = this.segments;\n const points = this.points;\n const count = segments.length;\n return count && points[segments[count - 1].end];\n }\n\n /**\n\t * Interpolate a point in this line at the same value on `property` as\n\t * the reference `point` provided\n\t * @param {PointElement} point - the reference point\n\t * @param {string} property - the property to match on\n\t * @returns {PointElement|undefined}\n\t */\n interpolate(point, property) {\n const options = this.options;\n const value = point[property];\n const points = this.points;\n const segments = _boundSegments(this, {property, start: value, end: value});\n\n if (!segments.length) {\n return;\n }\n\n const result = [];\n const _interpolate = _getInterpolationMethod(options);\n let i, ilen;\n for (i = 0, ilen = segments.length; i < ilen; ++i) {\n const {start, end} = segments[i];\n const p1 = points[start];\n const p2 = points[end];\n if (p1 === p2) {\n result.push(p1);\n continue;\n }\n const t = Math.abs((value - p1[property]) / (p2[property] - p1[property]));\n const interpolated = _interpolate(p1, p2, t, options.stepped);\n interpolated[property] = point[property];\n result.push(interpolated);\n }\n return result.length === 1 ? result[0] : result;\n }\n\n /**\n\t * Append a segment of this line to current path.\n\t * @param {CanvasRenderingContext2D} ctx\n\t * @param {object} segment\n\t * @param {number} segment.start - start index of the segment, referring the points array\n \t * @param {number} segment.end - end index of the segment, referring the points array\n \t * @param {boolean} segment.loop - indicates that the segment is a loop\n\t * @param {object} params\n\t * @param {boolean} params.move - move to starting point (vs line to it)\n\t * @param {boolean} params.reverse - path the segment from end to start\n\t * @param {number} params.start - limit segment to points starting from `start` index\n\t * @param {number} params.end - limit segment to points ending at `start` + `count` index\n\t * @returns {undefined|boolean} - true if the segment is a full loop (path should be closed)\n\t */\n pathSegment(ctx, segment, params) {\n const segmentMethod = _getSegmentMethod(this);\n return segmentMethod(ctx, this, segment, params);\n }\n\n /**\n\t * Append all segments of this line to current path.\n\t * @param {CanvasRenderingContext2D|Path2D} ctx\n\t * @param {number} [start]\n\t * @param {number} [count]\n\t * @returns {undefined|boolean} - true if line is a full loop (path should be closed)\n\t */\n path(ctx, start, count) {\n const segments = this.segments;\n const segmentMethod = _getSegmentMethod(this);\n let loop = this._loop;\n\n start = start || 0;\n count = count || (this.points.length - start);\n\n for (const segment of segments) {\n loop &= segmentMethod(ctx, this, segment, {start, end: start + count - 1});\n }\n return !!loop;\n }\n\n /**\n\t * Draw\n\t * @param {CanvasRenderingContext2D} ctx\n\t * @param {object} chartArea\n\t * @param {number} [start]\n\t * @param {number} [count]\n\t */\n draw(ctx, chartArea, start, count) {\n const options = this.options || {};\n const points = this.points || [];\n\n if (points.length && options.borderWidth) {\n ctx.save();\n\n draw(ctx, this, start, count);\n\n ctx.restore();\n }\n\n if (this.animated) {\n // When line is animated, the control points and path are not cached.\n this._pointsUpdated = false;\n this._path = undefined;\n }\n }\n}\n","import Element from '../core/core.element.js';\nimport {drawPoint, _isPointInArea} from '../helpers/helpers.canvas.js';\nimport type {\n CartesianParsedData,\n ChartArea,\n Point,\n PointHoverOptions,\n PointOptions,\n} from '../types/index.js';\n\nfunction inRange(el: PointElement, pos: number, axis: 'x' | 'y', useFinalPosition?: boolean) {\n const options = el.options;\n const {[axis]: value} = el.getProps([axis], useFinalPosition);\n\n return (Math.abs(pos - value) < options.radius + options.hitRadius);\n}\n\nexport type PointProps = Point\n\nexport default class PointElement extends Element {\n\n static id = 'point';\n\n parsed: CartesianParsedData;\n skip?: boolean;\n stop?: boolean;\n\n /**\n * @type {any}\n */\n static defaults = {\n borderWidth: 1,\n hitRadius: 1,\n hoverBorderWidth: 1,\n hoverRadius: 4,\n pointStyle: 'circle',\n radius: 3,\n rotation: 0\n };\n\n /**\n * @type {any}\n */\n static defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n };\n\n constructor(cfg) {\n super();\n\n this.options = undefined;\n this.parsed = undefined;\n this.skip = undefined;\n this.stop = undefined;\n\n if (cfg) {\n Object.assign(this, cfg);\n }\n }\n\n inRange(mouseX: number, mouseY: number, useFinalPosition?: boolean) {\n const options = this.options;\n const {x, y} = this.getProps(['x', 'y'], useFinalPosition);\n return ((Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2)) < Math.pow(options.hitRadius + options.radius, 2));\n }\n\n inXRange(mouseX: number, useFinalPosition?: boolean) {\n return inRange(this, mouseX, 'x', useFinalPosition);\n }\n\n inYRange(mouseY: number, useFinalPosition?: boolean) {\n return inRange(this, mouseY, 'y', useFinalPosition);\n }\n\n getCenterPoint(useFinalPosition?: boolean) {\n const {x, y} = this.getProps(['x', 'y'], useFinalPosition);\n return {x, y};\n }\n\n size(options?: Partial) {\n options = options || this.options || {};\n let radius = options.radius || 0;\n radius = Math.max(radius, radius && options.hoverRadius || 0);\n const borderWidth = radius && options.borderWidth || 0;\n return (radius + borderWidth) * 2;\n }\n\n draw(ctx: CanvasRenderingContext2D, area: ChartArea) {\n const options = this.options;\n\n if (this.skip || options.radius < 0.1 || !_isPointInArea(this, area, this.size(options) / 2)) {\n return;\n }\n\n ctx.strokeStyle = options.borderColor;\n ctx.lineWidth = options.borderWidth;\n ctx.fillStyle = options.backgroundColor;\n drawPoint(ctx, options, this.x, this.y);\n }\n\n getRange() {\n const options = this.options || {};\n // @ts-expect-error Fallbacks should never be hit in practice\n return options.radius + options.hitRadius;\n }\n}\n","import Element from '../core/core.element.js';\nimport {isObject, _isBetween, _limitValue} from '../helpers/index.js';\nimport {addRoundedRectPath} from '../helpers/helpers.canvas.js';\nimport {toTRBL, toTRBLCorners} from '../helpers/helpers.options.js';\n\n/** @typedef {{ x: number, y: number, base: number, horizontal: boolean, width: number, height: number }} BarProps */\n\n/**\n * Helper function to get the bounds of the bar regardless of the orientation\n * @param {BarElement} bar the bar\n * @param {boolean} [useFinalPosition]\n * @return {object} bounds of the bar\n * @private\n */\nfunction getBarBounds(bar, useFinalPosition) {\n const {x, y, base, width, height} = /** @type {BarProps} */ (bar.getProps(['x', 'y', 'base', 'width', 'height'], useFinalPosition));\n\n let 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 {left, top, right, bottom};\n}\n\nfunction skipOrLimit(skip, value, min, max) {\n return skip ? 0 : _limitValue(value, min, max);\n}\n\nfunction parseBorderWidth(bar, maxW, maxH) {\n const value = bar.options.borderWidth;\n const skip = bar.borderSkipped;\n const o = toTRBL(value);\n\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 const {enableBorderRadius} = bar.getProps(['enableBorderRadius']);\n const value = bar.options.borderRadius;\n const o = toTRBLCorners(value);\n const maxR = Math.min(maxW, maxH);\n const skip = bar.borderSkipped;\n\n // If the value is an object, assume the user knows what they are doing\n // and apply as directed.\n const enableBorder = enableBorderRadius || isObject(value);\n\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 const bounds = getBarBounds(bar);\n const width = bounds.right - bounds.left;\n const height = bounds.bottom - bounds.top;\n const border = parseBorderWidth(bar, width / 2, height / 2);\n const radius = parseBorderRadius(bar, width / 2, height / 2);\n\n return {\n outer: {\n x: bounds.left,\n y: bounds.top,\n w: width,\n h: height,\n 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 const skipX = x === null;\n const skipY = y === null;\n const skipBoth = skipX && skipY;\n const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition);\n\n return bounds\n\t\t&& (skipX || _isBetween(x, bounds.left, bounds.right))\n\t\t&& (skipY || _isBetween(y, bounds.top, bounds.bottom));\n}\n\nfunction hasRadius(radius) {\n return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight;\n}\n\n/**\n * Add a path of a rectangle to the current sub-path\n * @param {CanvasRenderingContext2D} ctx Context\n * @param {*} rect Bounding rect\n */\nfunction addNormalRectPath(ctx, rect) {\n ctx.rect(rect.x, rect.y, rect.w, rect.h);\n}\n\nfunction inflateRect(rect, amount, refRect = {}) {\n const x = rect.x !== refRect.x ? -amount : 0;\n const y = rect.y !== refRect.y ? -amount : 0;\n const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x;\n const 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\nexport default class BarElement extends Element {\n\n static id = 'bar';\n\n /**\n * @type {any}\n */\n static defaults = {\n borderSkipped: 'start',\n borderWidth: 0,\n borderRadius: 0,\n inflateAmount: 'auto',\n pointStyle: undefined\n };\n\n /**\n * @type {any}\n */\n static defaultRoutes = {\n backgroundColor: 'backgroundColor',\n borderColor: 'borderColor'\n };\n\n constructor(cfg) {\n super();\n\n this.options = undefined;\n this.horizontal = undefined;\n this.base = undefined;\n this.width = undefined;\n this.height = undefined;\n this.inflateAmount = undefined;\n\n if (cfg) {\n Object.assign(this, cfg);\n }\n }\n\n draw(ctx) {\n const {inflateAmount, options: {borderColor, backgroundColor}} = this;\n const {inner, outer} = boundingRects(this);\n const addRectPath = hasRadius(outer.radius) ? addRoundedRectPath : addNormalRectPath;\n\n ctx.save();\n\n if (outer.w !== inner.w || outer.h !== inner.h) {\n ctx.beginPath();\n addRectPath(ctx, inflateRect(outer, inflateAmount, inner));\n ctx.clip();\n addRectPath(ctx, inflateRect(inner, -inflateAmount, outer));\n ctx.fillStyle = borderColor;\n ctx.fill('evenodd');\n }\n\n ctx.beginPath();\n addRectPath(ctx, inflateRect(inner, inflateAmount));\n ctx.fillStyle = backgroundColor;\n ctx.fill();\n\n ctx.restore();\n }\n\n inRange(mouseX, mouseY, useFinalPosition) {\n return inRange(this, mouseX, mouseY, useFinalPosition);\n }\n\n inXRange(mouseX, useFinalPosition) {\n return inRange(this, mouseX, null, useFinalPosition);\n }\n\n inYRange(mouseY, useFinalPosition) {\n return inRange(this, null, mouseY, useFinalPosition);\n }\n\n getCenterPoint(useFinalPosition) {\n const {x, y, base, horizontal} = /** @type {BarProps} */ (this.getProps(['x', 'y', 'base', 'horizontal'], useFinalPosition));\n return {\n x: horizontal ? (x + base) / 2 : x,\n y: horizontal ? y : (y + base) / 2\n };\n }\n\n getRange(axis) {\n return axis === 'x' ? this.width / 2 : this.height / 2;\n }\n}\n","import {DoughnutController, PolarAreaController, defaults} from '../index.js';\nimport type {Chart, ChartDataset} from '../types.js';\n\nexport interface ColorsPluginOptions {\n enabled?: boolean;\n forceOverride?: boolean;\n}\n\ninterface ColorsDescriptor {\n backgroundColor?: unknown;\n borderColor?: unknown;\n}\n\nconst BORDER_COLORS = [\n 'rgb(54, 162, 235)', // blue\n 'rgb(255, 99, 132)', // red\n 'rgb(255, 159, 64)', // orange\n 'rgb(255, 205, 86)', // yellow\n 'rgb(75, 192, 192)', // green\n 'rgb(153, 102, 255)', // purple\n 'rgb(201, 203, 207)' // grey\n];\n\n// Border colors with 50% transparency\nconst BACKGROUND_COLORS = /* #__PURE__ */ BORDER_COLORS.map(color => color.replace('rgb(', 'rgba(').replace(')', ', 0.5)'));\n\nfunction getBorderColor(i: number) {\n return BORDER_COLORS[i % BORDER_COLORS.length];\n}\n\nfunction getBackgroundColor(i: number) {\n return BACKGROUND_COLORS[i % BACKGROUND_COLORS.length];\n}\n\nfunction colorizeDefaultDataset(dataset: ChartDataset, i: number) {\n dataset.borderColor = getBorderColor(i);\n dataset.backgroundColor = getBackgroundColor(i);\n\n return ++i;\n}\n\nfunction colorizeDoughnutDataset(dataset: ChartDataset, i: number) {\n dataset.backgroundColor = dataset.data.map(() => getBorderColor(i++));\n\n return i;\n}\n\nfunction colorizePolarAreaDataset(dataset: ChartDataset, i: number) {\n dataset.backgroundColor = dataset.data.map(() => getBackgroundColor(i++));\n\n return i;\n}\n\nfunction getColorizer(chart: Chart) {\n let i = 0;\n\n return (dataset: ChartDataset, datasetIndex: number) => {\n const controller = chart.getDatasetMeta(datasetIndex).controller;\n\n if (controller instanceof DoughnutController) {\n i = colorizeDoughnutDataset(dataset, i);\n } else if (controller instanceof PolarAreaController) {\n i = colorizePolarAreaDataset(dataset, i);\n } else if (controller) {\n i = colorizeDefaultDataset(dataset, i);\n }\n };\n}\n\nfunction containsColorsDefinitions(\n descriptors: ColorsDescriptor[] | Record\n) {\n let k: number | string;\n\n for (k in descriptors) {\n if (descriptors[k].borderColor || descriptors[k].backgroundColor) {\n return true;\n }\n }\n\n return false;\n}\n\nfunction containsColorsDefinition(\n descriptor: ColorsDescriptor\n) {\n return descriptor && (descriptor.borderColor || descriptor.backgroundColor);\n}\n\nfunction containsDefaultColorsDefenitions() {\n return defaults.borderColor !== 'rgba(0,0,0,0.1)' || defaults.backgroundColor !== 'rgba(0,0,0,0.1)';\n}\n\nexport default {\n id: 'colors',\n\n defaults: {\n enabled: true,\n forceOverride: false\n } as ColorsPluginOptions,\n\n beforeLayout(chart: Chart, _args, options: ColorsPluginOptions) {\n if (!options.enabled) {\n return;\n }\n\n const {\n data: {datasets},\n options: chartOptions\n } = chart.config;\n const {elements} = chartOptions;\n\n const containsColorDefenition = (\n containsColorsDefinitions(datasets) ||\n containsColorsDefinition(chartOptions) ||\n (elements && containsColorsDefinitions(elements)) ||\n containsDefaultColorsDefenitions());\n\n if (!options.forceOverride && containsColorDefenition) {\n return;\n }\n\n const colorizer = getColorizer(chart);\n\n datasets.forEach(colorizer);\n }\n};\n","import {_limitValue, _lookupByKey, isNullOrUndef, resolve} from '../helpers/index.js';\n\nfunction lttbDecimation(data, start, count, availableWidth, options) {\n /**\n * Implementation of the Largest Triangle Three Buckets algorithm.\n *\n * This implementation is based on the original implementation by Sveinn Steinarsson\n * in https://github.com/sveinn-steinarsson/flot-downsample/blob/master/jquery.flot.downsample.js\n *\n * The original implementation is MIT licensed.\n */\n const samples = options.samples || availableWidth;\n // There are less points than the threshold, returning the whole array\n if (samples >= count) {\n return data.slice(start, start + count);\n }\n\n const decimated = [];\n\n const bucketWidth = (count - 2) / (samples - 2);\n let sampledIndex = 0;\n const endIndex = start + count - 1;\n // Starting from offset\n let a = start;\n let i, maxAreaPoint, maxArea, area, nextA;\n\n decimated[sampledIndex++] = data[a];\n\n for (i = 0; i < samples - 2; i++) {\n let avgX = 0;\n let avgY = 0;\n let j;\n\n // Adding offset\n const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start;\n const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start;\n const 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\n // Adding offset\n const rangeOffs = Math.floor(i * bucketWidth) + 1 + start;\n const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start;\n const {x: pointAx, y: pointAy} = data[a];\n\n // Note that this is changed from the original algorithm which initializes these\n // values to 1. The reason for this change is that if the area is small, nextA\n // would never be set and thus a crash would occur in the next loop as `a` would become\n // `undefined`. Since the area is always positive, but could be 0 in the case of a flat trace,\n // initializing with a negative number is the correct solution.\n maxArea = area = -1;\n\n for (j = rangeOffs; j < rangeTo; j++) {\n area = 0.5 * Math.abs(\n (pointAx - avgX) * (data[j].y - pointAy) -\n (pointAx - data[j].x) * (avgY - pointAy)\n );\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 // Include the last point\n decimated[sampledIndex++] = data[endIndex];\n\n return decimated;\n}\n\nfunction minMaxDecimation(data, start, count, availableWidth) {\n let avgX = 0;\n let countX = 0;\n let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY;\n const decimated = [];\n const endIndex = start + count - 1;\n\n const xMin = data[start].x;\n const xMax = data[endIndex].x;\n const 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 const truncX = x | 0;\n\n if (truncX === prevX) {\n // Determine `minY` / `maxY` and `avgX` while we stay within same x-position\n if (y < minY) {\n minY = y;\n minIndex = i;\n } else if (y > maxY) {\n maxY = y;\n maxIndex = i;\n }\n // For first point in group, countX is `0`, so average will be `x` / 1.\n // Use point.x here because we're computing the average data `x` value\n avgX = (countX * avgX + point.x) / ++countX;\n } else {\n // Push up to 4 points, 3 for the last interval and the first point for this interval\n const lastIndex = i - 1;\n\n if (!isNullOrUndef(minIndex) && !isNullOrUndef(maxIndex)) {\n // The interval is defined by 4 points: start, min, max, end.\n // The starting point is already considered at this point, so we need to determine which\n // of the other points to add. We need to sort these points to ensure the decimated data\n // is still sorted and then ensure there are no duplicates.\n const intermediateIndex1 = Math.min(minIndex, maxIndex);\n const intermediateIndex2 = Math.max(minIndex, maxIndex);\n\n if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) {\n decimated.push({\n ...data[intermediateIndex1],\n x: avgX,\n });\n }\n if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) {\n decimated.push({\n ...data[intermediateIndex2],\n x: avgX\n });\n }\n }\n\n // lastIndex === startIndex will occur when a range has only 1 point which could\n // happen with very uneven data\n if (i > 0 && lastIndex !== startIndex) {\n // Last point in the previous interval\n decimated.push(data[lastIndex]);\n }\n\n // Start of the new interval\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 const data = dataset._data;\n delete dataset._decimated;\n delete dataset._data;\n Object.defineProperty(dataset, 'data', {\n configurable: true,\n enumerable: true,\n writable: true,\n value: data,\n });\n }\n}\n\nfunction cleanDecimatedData(chart) {\n chart.data.datasets.forEach((dataset) => {\n cleanDecimatedDataset(dataset);\n });\n}\n\nfunction getStartAndCountOfVisiblePointsSimplified(meta, points) {\n const pointCount = points.length;\n\n let start = 0;\n let count;\n\n const {iScale} = meta;\n const {min, max, minDefined, maxDefined} = iScale.getUserBounds();\n\n if (minDefined) {\n start = _limitValue(_lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1);\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 {start, count};\n}\n\nexport default {\n id: 'decimation',\n\n defaults: {\n algorithm: 'min-max',\n enabled: false,\n },\n\n beforeElementsUpdate: (chart, args, options) => {\n if (!options.enabled) {\n // The decimation plugin may have been previously enabled. Need to remove old `dataset._data` handlers\n cleanDecimatedData(chart);\n return;\n }\n\n // Assume the entire chart is available to show a few more points than needed\n const availableWidth = chart.width;\n\n chart.data.datasets.forEach((dataset, datasetIndex) => {\n const {_data, indexAxis} = dataset;\n const meta = chart.getDatasetMeta(datasetIndex);\n const data = _data || dataset.data;\n\n if (resolve([indexAxis, chart.options.indexAxis]) === 'y') {\n // Decimation is only supported for lines that have an X indexAxis\n return;\n }\n\n if (!meta.controller.supportsDecimation) {\n // Only line datasets are supported\n return;\n }\n\n const xAxis = chart.scales[meta.xAxisID];\n if (xAxis.type !== 'linear' && xAxis.type !== 'time') {\n // Only linear interpolation is supported\n return;\n }\n\n if (chart.options.parsing) {\n // Plugin only supports data that does not need parsing\n return;\n }\n\n let {start, count} = getStartAndCountOfVisiblePointsSimplified(meta, data);\n const threshold = options.threshold || 4 * availableWidth;\n if (count <= threshold) {\n // No decimation is required until we are above this threshold\n cleanDecimatedDataset(dataset);\n return;\n }\n\n if (isNullOrUndef(_data)) {\n // First time we are seeing this dataset\n // We override the 'data' property with a setter that stores the\n // raw data in _data, but reads the decimated data from _decimated\n dataset._data = data;\n delete dataset.data;\n Object.defineProperty(dataset, 'data', {\n configurable: true,\n enumerable: true,\n get: function() {\n return this._decimated;\n },\n set: function(d) {\n this._data = d;\n }\n });\n }\n\n // Point the chart to the decimated data\n let decimated;\n switch (options.algorithm) {\n case 'lttb':\n decimated = lttbDecimation(data, start, count, availableWidth, options);\n break;\n case 'min-max':\n decimated = minMaxDecimation(data, start, count, availableWidth);\n break;\n default:\n throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`);\n }\n\n dataset._decimated = decimated;\n });\n },\n\n destroy(chart) {\n cleanDecimatedData(chart);\n }\n};\n","import {_boundSegment, _boundSegments, _normalizeAngle} from '../../helpers/index.js';\n\nexport function _segments(line, target, property) {\n const segments = line.segments;\n const points = line.points;\n const tpoints = target.points;\n const parts = [];\n\n for (const segment of segments) {\n let {start, end} = segment;\n end = _findSegmentEnd(start, end, points);\n\n const bounds = _getBounds(property, points[start], points[end], segment.loop);\n\n if (!target.segments) {\n // Special case for boundary not supporting `segments` (simpleArc)\n // Bounds are provided as `target` for partial circle, or undefined for full circle\n parts.push({\n source: segment,\n target: bounds,\n start: points[start],\n end: points[end]\n });\n continue;\n }\n\n // Get all segments from `target` that intersect the bounds of current segment of `line`\n const targetSegments = _boundSegments(target, bounds);\n\n for (const tgt of targetSegments) {\n const subBounds = _getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop);\n const fillSources = _boundSegment(segment, points, subBounds);\n\n for (const fillSource of fillSources) {\n parts.push({\n source: fillSource,\n target: tgt,\n start: {\n [property]: _getEdge(bounds, subBounds, 'start', Math.max)\n },\n end: {\n [property]: _getEdge(bounds, subBounds, 'end', Math.min)\n }\n });\n }\n }\n }\n return parts;\n}\n\nexport function _getBounds(property, first, last, loop) {\n if (loop) {\n return;\n }\n let start = first[property];\n let end = last[property];\n\n if (property === 'angle') {\n start = _normalizeAngle(start);\n end = _normalizeAngle(end);\n }\n return {property, start, end};\n}\n\nexport function _pointsFromSegments(boundary, line) {\n const {x = null, y = null} = boundary || {};\n const linePoints = line.points;\n const points = [];\n line.segments.forEach(({start, end}) => {\n end = _findSegmentEnd(start, end, linePoints);\n const first = linePoints[start];\n const last = linePoints[end];\n if (y !== null) {\n points.push({x: first.x, y});\n points.push({x: last.x, y});\n } else if (x !== null) {\n points.push({x, y: first.y});\n points.push({x, y: last.y});\n }\n });\n return points;\n}\n\nexport function _findSegmentEnd(start, end, points) {\n for (;end > start; end--) {\n const point = points[end];\n if (!isNaN(point.x) && !isNaN(point.y)) {\n break;\n }\n }\n return end;\n}\n\nfunction _getEdge(a, b, prop, fn) {\n if (a && b) {\n return fn(a[prop], b[prop]);\n }\n return a ? a[prop] : b ? b[prop] : 0;\n}\n","/**\n * @typedef { import('../../core/core.controller.js').default } Chart\n * @typedef { import('../../core/core.scale.js').default } Scale\n * @typedef { import('../../elements/element.point.js').default } PointElement\n */\n\nimport {LineElement} from '../../elements/index.js';\nimport {isArray} from '../../helpers/index.js';\nimport {_pointsFromSegments} from './filler.segment.js';\n\n/**\n * @param {PointElement[] | { x: number; y: number; }} boundary\n * @param {LineElement} line\n * @return {LineElement?}\n */\nexport function _createBoundaryLine(boundary, line) {\n let points = [];\n let _loop = false;\n\n if (isArray(boundary)) {\n _loop = true;\n // @ts-ignore\n points = boundary;\n } else {\n points = _pointsFromSegments(boundary, line);\n }\n\n return points.length ? new LineElement({\n points,\n options: {tension: 0},\n _loop,\n _fullLoop: _loop\n }) : null;\n}\n\nexport function _shouldApplyFill(source) {\n return source && source.fill !== false;\n}\n","import {isObject, isFinite, valueOrDefault} from '../../helpers/helpers.core.js';\n\n/**\n * @typedef { import('../../core/core.scale.js').default } Scale\n * @typedef { import('../../elements/element.line.js').default } LineElement\n * @typedef { import('../../types/index.js').FillTarget } FillTarget\n * @typedef { import('../../types/index.js').ComplexFillTarget } ComplexFillTarget\n */\n\nexport function _resolveTarget(sources, index, propagate) {\n const source = sources[index];\n let fill = source.fill;\n const visited = [index];\n let target;\n\n if (!propagate) {\n return fill;\n }\n\n while (fill !== false && visited.indexOf(fill) === -1) {\n if (!isFinite(fill)) {\n return fill;\n }\n\n target = sources[fill];\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\n/**\n * @param {LineElement} line\n * @param {number} index\n * @param {number} count\n */\nexport function _decodeFill(line, index, count) {\n /** @type {string | {value: number}} */\n const fill = parseFillOption(line);\n\n if (isObject(fill)) {\n return isNaN(fill.value) ? false : fill;\n }\n\n let target = parseFloat(fill);\n\n if (isFinite(target) && Math.floor(target) === target) {\n return decodeTargetIndex(fill[0], index, target, count);\n }\n\n return ['origin', 'start', 'end', 'stack', 'shape'].indexOf(fill) >= 0 && fill;\n}\n\nfunction decodeTargetIndex(firstCh, index, target, count) {\n if (firstCh === '-' || firstCh === '+') {\n target = index + target;\n }\n\n if (target === index || target < 0 || target >= count) {\n return false;\n }\n\n return target;\n}\n\n/**\n * @param {FillTarget | ComplexFillTarget} fill\n * @param {Scale} scale\n * @returns {number | null}\n */\nexport function _getTargetPixel(fill, scale) {\n let pixel = null;\n if (fill === 'start') {\n pixel = scale.bottom;\n } else if (fill === 'end') {\n pixel = scale.top;\n } else if (isObject(fill)) {\n // @ts-ignore\n pixel = scale.getPixelForValue(fill.value);\n } else if (scale.getBasePixel) {\n pixel = scale.getBasePixel();\n }\n return pixel;\n}\n\n/**\n * @param {FillTarget | ComplexFillTarget} fill\n * @param {Scale} scale\n * @param {number} startValue\n * @returns {number | undefined}\n */\nexport function _getTargetValue(fill, scale, startValue) {\n let value;\n\n if (fill === 'start') {\n value = startValue;\n } else if (fill === 'end') {\n value = scale.options.reverse ? scale.min : scale.max;\n } else if (isObject(fill)) {\n // @ts-ignore\n value = fill.value;\n } else {\n value = scale.getBaseValue();\n }\n return value;\n}\n\n/**\n * @param {LineElement} line\n */\nfunction parseFillOption(line) {\n const options = line.options;\n const fillOption = options.fill;\n let 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 return fill;\n}\n","/**\n * @typedef { import('../../core/core.controller.js').default } Chart\n * @typedef { import('../../core/core.scale.js').default } Scale\n * @typedef { import('../../elements/element.point.js').default } PointElement\n */\n\nimport {LineElement} from '../../elements/index.js';\nimport {_isBetween} from '../../helpers/index.js';\nimport {_createBoundaryLine} from './filler.helper.js';\n\n/**\n * @param {{ chart: Chart; scale: Scale; index: number; line: LineElement; }} source\n * @return {LineElement}\n */\nexport function _buildStackLine(source) {\n const {scale, index, line} = source;\n const points = [];\n const segments = line.segments;\n const sourcePoints = line.points;\n const linesBelow = getLinesBelow(scale, index);\n linesBelow.push(_createBoundaryLine({x: null, y: scale.bottom}, line));\n\n for (let i = 0; i < segments.length; i++) {\n const segment = segments[i];\n for (let j = segment.start; j <= segment.end; j++) {\n addPointsBelow(points, sourcePoints[j], linesBelow);\n }\n }\n return new LineElement({points, options: {}});\n}\n\n/**\n * @param {Scale} scale\n * @param {number} index\n * @return {LineElement[]}\n */\nfunction getLinesBelow(scale, index) {\n const below = [];\n const metas = scale.getMatchingVisibleMetas('line');\n\n for (let i = 0; i < metas.length; i++) {\n const meta = metas[i];\n if (meta.index === index) {\n break;\n }\n if (!meta.hidden) {\n below.unshift(meta.dataset);\n }\n }\n return below;\n}\n\n/**\n * @param {PointElement[]} points\n * @param {PointElement} sourcePoint\n * @param {LineElement[]} linesBelow\n */\nfunction addPointsBelow(points, sourcePoint, linesBelow) {\n const postponed = [];\n for (let j = 0; j < linesBelow.length; j++) {\n const line = linesBelow[j];\n const {first, last, point} = findPoint(line, sourcePoint, 'x');\n\n if (!point || (first && last)) {\n continue;\n }\n if (first) {\n // First point of an segment -> need to add another point before this,\n // from next line below.\n postponed.unshift(point);\n } else {\n points.push(point);\n if (!last) {\n // In the middle of an segment, no need to add more points.\n break;\n }\n }\n }\n points.push(...postponed);\n}\n\n/**\n * @param {LineElement} line\n * @param {PointElement} sourcePoint\n * @param {string} property\n * @returns {{point?: PointElement, first?: boolean, last?: boolean}}\n */\nfunction findPoint(line, sourcePoint, property) {\n const point = line.interpolate(sourcePoint, property);\n if (!point) {\n return {};\n }\n\n const pointValue = point[property];\n const segments = line.segments;\n const linePoints = line.points;\n let first = false;\n let last = false;\n for (let i = 0; i < segments.length; i++) {\n const segment = segments[i];\n const firstValue = linePoints[segment.start][property];\n const lastValue = linePoints[segment.end][property];\n if (_isBetween(pointValue, firstValue, lastValue)) {\n first = pointValue === firstValue;\n last = pointValue === lastValue;\n break;\n }\n }\n return {first, last, point};\n}\n","import {TAU} from '../../helpers/index.js';\n\n// TODO: use elements.ArcElement instead\nexport class simpleArc {\n constructor(opts) {\n this.x = opts.x;\n this.y = opts.y;\n this.radius = opts.radius;\n }\n\n pathSegment(ctx, bounds, opts) {\n const {x, y, radius} = this;\n bounds = bounds || {start: 0, end: TAU};\n ctx.arc(x, y, radius, bounds.end, bounds.start, true);\n return !opts.bounds;\n }\n\n interpolate(point) {\n const {x, y, radius} = this;\n const angle = point.angle;\n return {\n x: x + Math.cos(angle) * radius,\n y: y + Math.sin(angle) * radius,\n angle\n };\n }\n}\n","import {isFinite} from '../../helpers/index.js';\nimport {_createBoundaryLine} from './filler.helper.js';\nimport {_getTargetPixel, _getTargetValue} from './filler.options.js';\nimport {_buildStackLine} from './filler.target.stack.js';\nimport {simpleArc} from './simpleArc.js';\n\n/**\n * @typedef { import('../../core/core.controller.js').default } Chart\n * @typedef { import('../../core/core.scale.js').default } Scale\n * @typedef { import('../../elements/element.point.js').default } PointElement\n */\n\nexport function _getTarget(source) {\n const {chart, fill, line} = source;\n\n if (isFinite(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 const boundary = computeBoundary(source);\n\n if (boundary instanceof simpleArc) {\n return boundary;\n }\n\n return _createBoundaryLine(boundary, line);\n}\n\n/**\n * @param {Chart} chart\n * @param {number} index\n */\nfunction getLineByIndex(chart, index) {\n const meta = chart.getDatasetMeta(index);\n const visible = meta && chart.isDatasetVisible(index);\n return visible ? meta.dataset : null;\n}\n\nfunction computeBoundary(source) {\n const scale = source.scale || {};\n\n if (scale.getPointPositionForValue) {\n return computeCircularBoundary(source);\n }\n return computeLinearBoundary(source);\n}\n\n\nfunction computeLinearBoundary(source) {\n const {scale = {}, fill} = source;\n const pixel = _getTargetPixel(fill, scale);\n\n if (isFinite(pixel)) {\n const horizontal = scale.isHorizontal();\n\n return {\n x: horizontal ? pixel : null,\n y: horizontal ? null : pixel\n };\n }\n\n return null;\n}\n\nfunction computeCircularBoundary(source) {\n const {scale, fill} = source;\n const options = scale.options;\n const length = scale.getLabels().length;\n const start = options.reverse ? scale.max : scale.min;\n const value = _getTargetValue(fill, scale, start);\n const target = [];\n\n if (options.grid.circular) {\n const 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 (let i = 0; i < length; ++i) {\n target.push(scale.getPointPositionForValue(i, value));\n }\n return target;\n}\n\n","import {clipArea, unclipArea} from '../../helpers/index.js';\nimport {_findSegmentEnd, _getBounds, _segments} from './filler.segment.js';\nimport {_getTarget} from './filler.target.js';\n\nexport function _drawfill(ctx, source, area) {\n const target = _getTarget(source);\n const {line, scale, axis} = source;\n const lineOpts = line.options;\n const fillOption = lineOpts.fill;\n const color = lineOpts.backgroundColor;\n const {above = color, below = color} = fillOption || {};\n if (target && line.points.length) {\n clipArea(ctx, area);\n doFill(ctx, {line, target, above, below, area, scale, axis});\n unclipArea(ctx);\n }\n}\n\nfunction doFill(ctx, cfg) {\n const {line, target, above, below, area, scale} = cfg;\n const property = line._loop ? 'angle' : cfg.axis;\n\n ctx.save();\n\n if (property === 'x' && below !== above) {\n clipVertical(ctx, target, area.top);\n fill(ctx, {line, target, color: above, scale, property});\n ctx.restore();\n ctx.save();\n clipVertical(ctx, target, area.bottom);\n }\n fill(ctx, {line, target, color: below, scale, property});\n\n ctx.restore();\n}\n\nfunction clipVertical(ctx, target, clipY) {\n const {segments, points} = target;\n let first = true;\n let lineLoop = false;\n\n ctx.beginPath();\n for (const segment of segments) {\n const {start, end} = segment;\n const firstPoint = points[start];\n const lastPoint = points[_findSegmentEnd(start, end, points)];\n if (first) {\n ctx.moveTo(firstPoint.x, firstPoint.y);\n first = false;\n } else {\n ctx.lineTo(firstPoint.x, clipY);\n ctx.lineTo(firstPoint.x, firstPoint.y);\n }\n lineLoop = !!target.pathSegment(ctx, segment, {move: lineLoop});\n if (lineLoop) {\n ctx.closePath();\n } else {\n ctx.lineTo(lastPoint.x, clipY);\n }\n }\n\n ctx.lineTo(target.first().x, clipY);\n ctx.closePath();\n ctx.clip();\n}\n\nfunction fill(ctx, cfg) {\n const {line, target, property, color, scale} = cfg;\n const segments = _segments(line, target, property);\n\n for (const {source: src, target: tgt, start, end} of segments) {\n const {style: {backgroundColor = color} = {}} = src;\n const notShape = target !== true;\n\n ctx.save();\n ctx.fillStyle = backgroundColor;\n\n clipBounds(ctx, scale, notShape && _getBounds(property, start, end));\n\n ctx.beginPath();\n\n const lineLoop = !!line.pathSegment(ctx, src);\n\n let loop;\n if (notShape) {\n if (lineLoop) {\n ctx.closePath();\n } else {\n interpolatedLineTo(ctx, target, end, property);\n }\n\n const targetLoop = !!target.pathSegment(ctx, tgt, {move: lineLoop, reverse: true});\n loop = lineLoop && targetLoop;\n if (!loop) {\n interpolatedLineTo(ctx, target, start, property);\n }\n }\n\n ctx.closePath();\n ctx.fill(loop ? 'evenodd' : 'nonzero');\n\n ctx.restore();\n }\n}\n\nfunction clipBounds(ctx, scale, bounds) {\n const {top, bottom} = scale.chart.chartArea;\n const {property, start, end} = bounds || {};\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 const interpolatedPoint = target.interpolate(point, property);\n if (interpolatedPoint) {\n ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y);\n }\n}\n\n","/**\n * Plugin based on discussion from the following Chart.js issues:\n * @see https://github.com/chartjs/Chart.js/issues/2380#issuecomment-279961569\n * @see https://github.com/chartjs/Chart.js/issues/2440#issuecomment-256461897\n */\n\nimport LineElement from '../../elements/element.line.js';\nimport {_drawfill} from './filler.drawing.js';\nimport {_shouldApplyFill} from './filler.helper.js';\nimport {_decodeFill, _resolveTarget} from './filler.options.js';\n\nexport default {\n id: 'filler',\n\n afterDatasetsUpdate(chart, _args, options) {\n const count = (chart.data.datasets || []).length;\n const sources = [];\n let 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,\n axis: meta.controller.options.indexAxis,\n scale: meta.vScale,\n line,\n };\n }\n\n meta.$filler = source;\n sources.push(source);\n }\n\n for (i = 0; i < count; ++i) {\n source = sources[i];\n if (!source || source.fill === false) {\n continue;\n }\n\n source.fill = _resolveTarget(sources, i, options.propagate);\n }\n },\n\n beforeDraw(chart, _args, options) {\n const draw = options.drawTime === 'beforeDraw';\n const metasets = chart.getSortedVisibleDatasetMetas();\n const area = chart.chartArea;\n for (let i = metasets.length - 1; i >= 0; --i) {\n const source = metasets[i].$filler;\n if (!source) {\n continue;\n }\n\n source.line.updateControlPoints(area, source.axis);\n if (draw && source.fill) {\n _drawfill(chart.ctx, source, area);\n }\n }\n },\n\n beforeDatasetsDraw(chart, _args, options) {\n if (options.drawTime !== 'beforeDatasetsDraw') {\n return;\n }\n\n const metasets = chart.getSortedVisibleDatasetMetas();\n for (let i = metasets.length - 1; i >= 0; --i) {\n const source = metasets[i].$filler;\n\n if (_shouldApplyFill(source)) {\n _drawfill(chart.ctx, source, chart.chartArea);\n }\n }\n },\n\n beforeDatasetDraw(chart, args, options) {\n const source = args.meta.$filler;\n\n if (!_shouldApplyFill(source) || options.drawTime !== 'beforeDatasetDraw') {\n return;\n }\n\n _drawfill(chart.ctx, source, chart.chartArea);\n },\n\n defaults: {\n propagate: true,\n drawTime: 'beforeDatasetDraw'\n }\n};\n","import defaults from '../core/core.defaults.js';\nimport Element from '../core/core.element.js';\nimport layouts from '../core/core.layouts.js';\nimport {addRoundedRectPath, drawPointLegend, renderText} from '../helpers/helpers.canvas.js';\nimport {\n _isBetween,\n callback as call,\n clipArea,\n getRtlAdapter,\n overrideTextDirection,\n restoreTextDirection,\n toFont,\n toPadding,\n unclipArea,\n valueOrDefault,\n} from '../helpers/index.js';\nimport {_alignStartEnd, _textX, _toLeftRightCenter} from '../helpers/helpers.extras.js';\nimport {toTRBLCorners} from '../helpers/helpers.options.js';\n\n/**\n * @typedef { import('../types/index.js').ChartEvent } ChartEvent\n */\n\nconst getBoxSize = (labelOpts, fontSize) => {\n let {boxHeight = fontSize, boxWidth = fontSize} = labelOpts;\n\n if (labelOpts.usePointStyle) {\n boxHeight = Math.min(boxHeight, fontSize);\n boxWidth = labelOpts.pointStyleWidth || Math.min(boxWidth, fontSize);\n }\n\n return {\n boxWidth,\n boxHeight,\n itemHeight: Math.max(fontSize, boxHeight)\n };\n};\n\nconst itemsEqual = (a, b) => a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index;\n\nexport class Legend extends Element {\n\n /**\n\t * @param {{ ctx: any; options: any; chart: any; }} config\n\t */\n constructor(config) {\n super();\n\n this._added = false;\n\n // Contains hit boxes for each dataset (in dataset order)\n this.legendHitBoxes = [];\n\n /**\n \t\t * @private\n \t\t */\n this._hoveredItem = null;\n\n // Are we in doughnut mode which has a different data type\n this.doughnutMode = false;\n\n this.chart = config.chart;\n this.options = config.options;\n this.ctx = config.ctx;\n this.legendItems = undefined;\n this.columnSizes = undefined;\n this.lineWidths = undefined;\n this.maxHeight = undefined;\n this.maxWidth = undefined;\n this.top = undefined;\n this.bottom = undefined;\n this.left = undefined;\n this.right = undefined;\n this.height = undefined;\n this.width = undefined;\n this._margins = undefined;\n this.position = undefined;\n this.weight = undefined;\n this.fullSize = undefined;\n }\n\n update(maxWidth, maxHeight, margins) {\n this.maxWidth = maxWidth;\n this.maxHeight = maxHeight;\n this._margins = margins;\n\n this.setDimensions();\n this.buildLabels();\n this.fit();\n }\n\n setDimensions() {\n if (this.isHorizontal()) {\n this.width = this.maxWidth;\n this.left = this._margins.left;\n this.right = this.width;\n } else {\n this.height = this.maxHeight;\n this.top = this._margins.top;\n this.bottom = this.height;\n }\n }\n\n buildLabels() {\n const labelOpts = this.options.labels || {};\n let legendItems = call(labelOpts.generateLabels, [this.chart], this) || [];\n\n if (labelOpts.filter) {\n legendItems = legendItems.filter((item) => labelOpts.filter(item, this.chart.data));\n }\n\n if (labelOpts.sort) {\n legendItems = legendItems.sort((a, b) => labelOpts.sort(a, b, this.chart.data));\n }\n\n if (this.options.reverse) {\n legendItems.reverse();\n }\n\n this.legendItems = legendItems;\n }\n\n fit() {\n const {options, ctx} = this;\n\n // The legend may not be displayed for a variety of reasons including\n // the fact that the defaults got set to `false`.\n // When the legend is not displayed, there are no guarantees that the options\n // are correctly formatted so we need to bail out as early as possible.\n if (!options.display) {\n this.width = this.height = 0;\n return;\n }\n\n const labelOpts = options.labels;\n const labelFont = toFont(labelOpts.font);\n const fontSize = labelFont.size;\n const titleHeight = this._computeTitleHeight();\n const {boxWidth, itemHeight} = getBoxSize(labelOpts, fontSize);\n\n let width, height;\n\n ctx.font = labelFont.string;\n\n if (this.isHorizontal()) {\n width = this.maxWidth; // fill all the width\n height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10;\n } else {\n height = this.maxHeight; // fill all the height\n width = this._fitCols(titleHeight, labelFont, boxWidth, itemHeight) + 10;\n }\n\n this.width = Math.min(width, options.maxWidth || this.maxWidth);\n this.height = Math.min(height, options.maxHeight || this.maxHeight);\n }\n\n /**\n\t * @private\n\t */\n _fitRows(titleHeight, fontSize, boxWidth, itemHeight) {\n const {ctx, maxWidth, options: {labels: {padding}}} = this;\n const hitboxes = this.legendHitBoxes = [];\n // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one\n const lineWidths = this.lineWidths = [0];\n const lineHeight = itemHeight + padding;\n let totalHeight = titleHeight;\n\n ctx.textAlign = 'left';\n ctx.textBaseline = 'middle';\n\n let row = -1;\n let top = -lineHeight;\n this.legendItems.forEach((legendItem, i) => {\n const 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] = {left: 0, top, row, width: itemWidth, height: itemHeight};\n\n lineWidths[lineWidths.length - 1] += itemWidth + padding;\n });\n\n return totalHeight;\n }\n\n _fitCols(titleHeight, labelFont, boxWidth, _itemHeight) {\n const {ctx, maxHeight, options: {labels: {padding}}} = this;\n const hitboxes = this.legendHitBoxes = [];\n const columnSizes = this.columnSizes = [];\n const heightLimit = maxHeight - titleHeight;\n\n let totalWidth = padding;\n let currentColWidth = 0;\n let currentColHeight = 0;\n\n let left = 0;\n let col = 0;\n\n this.legendItems.forEach((legendItem, i) => {\n const {itemWidth, itemHeight} = calculateItemSize(boxWidth, labelFont, ctx, legendItem, _itemHeight);\n\n // If too tall, go to new column\n if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) {\n totalWidth += currentColWidth + padding;\n columnSizes.push({width: currentColWidth, height: currentColHeight}); // previous column size\n left += currentColWidth + padding;\n col++;\n currentColWidth = currentColHeight = 0;\n }\n\n // Store the hitbox width and height here. Final position will be updated in `draw`\n hitboxes[i] = {left, top: currentColHeight, col, width: itemWidth, height: itemHeight};\n\n // Get max width\n currentColWidth = Math.max(currentColWidth, itemWidth);\n currentColHeight += itemHeight + padding;\n });\n\n totalWidth += currentColWidth;\n columnSizes.push({width: currentColWidth, height: currentColHeight}); // previous column size\n\n return totalWidth;\n }\n\n adjustHitBoxes() {\n if (!this.options.display) {\n return;\n }\n const titleHeight = this._computeTitleHeight();\n const {legendHitBoxes: hitboxes, options: {align, labels: {padding}, rtl}} = this;\n const rtlHelper = getRtlAdapter(rtl, this.left, this.width);\n if (this.isHorizontal()) {\n let row = 0;\n let left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]);\n for (const hitbox of hitboxes) {\n if (row !== hitbox.row) {\n row = hitbox.row;\n left = _alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]);\n }\n hitbox.top += this.top + titleHeight + padding;\n hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width);\n left += hitbox.width + padding;\n }\n } else {\n let col = 0;\n let top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height);\n for (const hitbox of hitboxes) {\n if (hitbox.col !== col) {\n col = hitbox.col;\n top = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height);\n }\n hitbox.top = top;\n hitbox.left += this.left + padding;\n hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width);\n top += hitbox.height + padding;\n }\n }\n }\n\n isHorizontal() {\n return this.options.position === 'top' || this.options.position === 'bottom';\n }\n\n draw() {\n if (this.options.display) {\n const ctx = this.ctx;\n clipArea(ctx, this);\n\n this._draw();\n\n unclipArea(ctx);\n }\n }\n\n /**\n\t * @private\n\t */\n _draw() {\n const {options: opts, columnSizes, lineWidths, ctx} = this;\n const {align, labels: labelOpts} = opts;\n const defaultColor = defaults.color;\n const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width);\n const labelFont = toFont(labelOpts.font);\n const {padding} = labelOpts;\n const fontSize = labelFont.size;\n const halfFontSize = fontSize / 2;\n let cursor;\n\n this.drawTitle();\n\n // Canvas setup\n ctx.textAlign = rtlHelper.textAlign('left');\n ctx.textBaseline = 'middle';\n ctx.lineWidth = 0.5;\n ctx.font = labelFont.string;\n\n const {boxWidth, boxHeight, itemHeight} = getBoxSize(labelOpts, fontSize);\n\n // current position\n const drawLegendBox = function(x, y, legendItem) {\n if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) {\n return;\n }\n\n // Set the ctx for the box\n ctx.save();\n\n const 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\n ctx.setLineDash(valueOrDefault(legendItem.lineDash, []));\n\n if (labelOpts.usePointStyle) {\n // Recalculate x and y for drawPoint() because its expecting\n // x and y to be center of figure (instead of top left)\n const drawOptions = {\n radius: boxHeight * Math.SQRT2 / 2,\n pointStyle: legendItem.pointStyle,\n rotation: legendItem.rotation,\n borderWidth: lineWidth\n };\n const centerX = rtlHelper.xPlus(x, boxWidth / 2);\n const centerY = y + halfFontSize;\n\n // Draw pointStyle as legend symbol\n drawPointLegend(ctx, drawOptions, centerX, centerY, labelOpts.pointStyleWidth && boxWidth);\n } else {\n // Draw box as legend symbol\n // Adjust position when boxHeight < fontSize (want it centered)\n const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0);\n const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth);\n const borderRadius = toTRBLCorners(legendItem.borderRadius);\n\n ctx.beginPath();\n\n if (Object.values(borderRadius).some(v => v !== 0)) {\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 if (lineWidth !== 0) {\n ctx.stroke();\n }\n }\n\n ctx.restore();\n };\n\n const fillText = function(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 // Horizontal\n const isHorizontal = this.isHorizontal();\n const titleHeight = this._computeTitleHeight();\n if (isHorizontal) {\n cursor = {\n x: _alignStartEnd(align, this.left + padding, this.right - lineWidths[0]),\n y: this.top + padding + titleHeight,\n line: 0\n };\n } else {\n cursor = {\n x: this.left + padding,\n y: _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height),\n line: 0\n };\n }\n\n overrideTextDirection(this.ctx, opts.textDirection);\n\n const lineHeight = itemHeight + padding;\n this.legendItems.forEach((legendItem, i) => {\n ctx.strokeStyle = legendItem.fontColor; // for strikethrough effect\n ctx.fillStyle = legendItem.fontColor; // render in correct colour\n\n const textWidth = ctx.measureText(legendItem.text).width;\n const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign));\n const width = boxWidth + halfFontSize + textWidth;\n let x = cursor.x;\n let y = cursor.y;\n\n rtlHelper.setWidth(this.width);\n\n if (isHorizontal) {\n if (i > 0 && x + width + padding > this.right) {\n y = cursor.y += lineHeight;\n cursor.line++;\n x = cursor.x = _alignStartEnd(align, this.left + padding, this.right - lineWidths[cursor.line]);\n }\n } else if (i > 0 && y + lineHeight > this.bottom) {\n x = cursor.x = x + columnSizes[cursor.line].width + padding;\n cursor.line++;\n y = cursor.y = _alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[cursor.line].height);\n }\n\n const realX = rtlHelper.x(x);\n\n drawLegendBox(realX, y, legendItem);\n\n x = _textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : this.right, opts.rtl);\n\n // Fill the actual label\n fillText(rtlHelper.x(x), y, legendItem);\n\n if (isHorizontal) {\n cursor.x += width + padding;\n } else if (typeof legendItem.text !== 'string') {\n const fontLineHeight = labelFont.lineHeight;\n cursor.y += calculateLegendItemHeight(legendItem, fontLineHeight) + padding;\n } else {\n cursor.y += lineHeight;\n }\n });\n\n restoreTextDirection(this.ctx, opts.textDirection);\n }\n\n /**\n\t * @protected\n\t */\n drawTitle() {\n const opts = this.options;\n const titleOpts = opts.title;\n const titleFont = toFont(titleOpts.font);\n const titlePadding = toPadding(titleOpts.padding);\n\n if (!titleOpts.display) {\n return;\n }\n\n const rtlHelper = getRtlAdapter(opts.rtl, this.left, this.width);\n const ctx = this.ctx;\n const position = titleOpts.position;\n const halfFontSize = titleFont.size / 2;\n const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize;\n let y;\n\n // These defaults are used when the legend is vertical.\n // When horizontal, they are computed below.\n let left = this.left;\n let maxWidth = this.width;\n\n if (this.isHorizontal()) {\n // Move left / right so that the title is above the legend lines\n maxWidth = Math.max(...this.lineWidths);\n y = this.top + topPaddingPlusHalfFontSize;\n left = _alignStartEnd(opts.align, left, this.right - maxWidth);\n } else {\n // Move down so that the title is above the legend stack in every alignment\n const maxHeight = this.columnSizes.reduce((acc, size) => Math.max(acc, size.height), 0);\n y = topPaddingPlusHalfFontSize + _alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight());\n }\n\n // Now that we know the left edge of the inner legend box, compute the correct\n // X coordinate from the title alignment\n const x = _alignStartEnd(position, left, left + maxWidth);\n\n // Canvas setup\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\n renderText(ctx, titleOpts.text, x, y, titleFont);\n }\n\n /**\n\t * @private\n\t */\n _computeTitleHeight() {\n const titleOpts = this.options.title;\n const titleFont = toFont(titleOpts.font);\n const titlePadding = toPadding(titleOpts.padding);\n return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0;\n }\n\n /**\n\t * @private\n\t */\n _getLegendItemAt(x, y) {\n let i, hitBox, lh;\n\n if (_isBetween(x, this.left, this.right)\n && _isBetween(y, this.top, this.bottom)) {\n // See if we are touching one of the dataset boxes\n lh = this.legendHitBoxes;\n for (i = 0; i < lh.length; ++i) {\n hitBox = lh[i];\n\n if (_isBetween(x, hitBox.left, hitBox.left + hitBox.width)\n && _isBetween(y, hitBox.top, hitBox.top + hitBox.height)) {\n // Touching an element\n return this.legendItems[i];\n }\n }\n }\n\n return null;\n }\n\n /**\n\t * Handle an event\n\t * @param {ChartEvent} e - The event to handle\n\t */\n handleEvent(e) {\n const opts = this.options;\n if (!isListened(e.type, opts)) {\n return;\n }\n\n // Chart event already has relative position in it\n const hoveredItem = this._getLegendItemAt(e.x, e.y);\n\n if (e.type === 'mousemove' || e.type === 'mouseout') {\n const previous = this._hoveredItem;\n const sameItem = itemsEqual(previous, hoveredItem);\n if (previous && !sameItem) {\n call(opts.onLeave, [e, previous, this], this);\n }\n\n this._hoveredItem = hoveredItem;\n\n if (hoveredItem && !sameItem) {\n call(opts.onHover, [e, hoveredItem, this], this);\n }\n } else if (hoveredItem) {\n call(opts.onClick, [e, hoveredItem, this], this);\n }\n }\n}\n\nfunction calculateItemSize(boxWidth, labelFont, ctx, legendItem, _itemHeight) {\n const itemWidth = calculateItemWidth(legendItem, boxWidth, labelFont, ctx);\n const itemHeight = calculateItemHeight(_itemHeight, legendItem, labelFont.lineHeight);\n return {itemWidth, itemHeight};\n}\n\nfunction calculateItemWidth(legendItem, boxWidth, labelFont, ctx) {\n let legendItemText = legendItem.text;\n if (legendItemText && typeof legendItemText !== 'string') {\n legendItemText = legendItemText.reduce((a, b) => a.length > b.length ? a : b);\n }\n return boxWidth + (labelFont.size / 2) + ctx.measureText(legendItemText).width;\n}\n\nfunction calculateItemHeight(_itemHeight, legendItem, fontLineHeight) {\n let itemHeight = _itemHeight;\n if (typeof legendItem.text !== 'string') {\n itemHeight = calculateLegendItemHeight(legendItem, fontLineHeight);\n }\n return itemHeight;\n}\n\nfunction calculateLegendItemHeight(legendItem, fontLineHeight) {\n const labelHeight = legendItem.text ? legendItem.text.length : 0;\n return fontLineHeight * labelHeight;\n}\n\nfunction isListened(type, opts) {\n if ((type === 'mousemove' || type === 'mouseout') && (opts.onHover || opts.onLeave)) {\n return true;\n }\n if (opts.onClick && (type === 'click' || type === 'mouseup')) {\n return true;\n }\n return false;\n}\n\nexport default {\n id: 'legend',\n\n /**\n\t * For tests\n\t * @private\n\t */\n _element: Legend,\n\n start(chart, _args, options) {\n const legend = chart.legend = new Legend({ctx: chart.ctx, options, chart});\n layouts.configure(chart, legend, options);\n layouts.addBox(chart, legend);\n },\n\n stop(chart) {\n layouts.removeBox(chart, chart.legend);\n delete chart.legend;\n },\n\n // During the beforeUpdate step, the layout configuration needs to run\n // This ensures that if the legend position changes (via an option update)\n // the layout system respects the change. See https://github.com/chartjs/Chart.js/issues/7527\n beforeUpdate(chart, _args, options) {\n const legend = chart.legend;\n layouts.configure(chart, legend, options);\n legend.options = options;\n },\n\n // The labels need to be built after datasets are updated to ensure that colors\n // and other styling are correct. See https://github.com/chartjs/Chart.js/issues/6968\n afterUpdate(chart) {\n const legend = chart.legend;\n legend.buildLabels();\n legend.adjustHitBoxes();\n },\n\n\n afterEvent(chart, args) {\n if (!args.replay) {\n chart.legend.handleEvent(args.event);\n }\n },\n\n defaults: {\n display: true,\n position: 'top',\n align: 'center',\n fullSize: true,\n reverse: false,\n weight: 1000,\n\n // a callback that will handle\n onClick(e, legendItem, legend) {\n const index = legendItem.datasetIndex;\n const ci = legend.chart;\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\n onHover: null,\n onLeave: null,\n\n labels: {\n color: (ctx) => ctx.chart.options.color,\n boxWidth: 40,\n padding: 10,\n // Generates labels shown in the legend\n // Valid properties to return:\n // text : text to display\n // fillStyle : fill of coloured box\n // strokeStyle: stroke of coloured box\n // hidden : if this legend item refers to a hidden item\n // lineCap : cap style for line\n // lineDash\n // lineDashOffset :\n // lineJoin :\n // lineWidth :\n generateLabels(chart) {\n const datasets = chart.data.datasets;\n const {labels: {usePointStyle, pointStyle, textAlign, color, useBorderRadius, borderRadius}} = chart.legend.options;\n\n return chart._getSortedDatasetMetas().map((meta) => {\n const style = meta.controller.getStyle(usePointStyle ? 0 : undefined);\n const borderWidth = toPadding(style.borderWidth);\n\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: useBorderRadius && (borderRadius || style.borderRadius),\n\n // Below is extra data used for toggling the datasets\n datasetIndex: meta.index\n };\n }, this);\n }\n },\n\n title: {\n color: (ctx) => ctx.chart.options.color,\n display: false,\n position: 'center',\n text: '',\n }\n },\n\n descriptors: {\n _scriptable: (name) => !name.startsWith('on'),\n labels: {\n _scriptable: (name) => !['generateLabels', 'filter', 'sort'].includes(name),\n }\n },\n};\n","import Element from '../core/core.element.js';\nimport layouts from '../core/core.layouts.js';\nimport {PI, isArray, toPadding, toFont} from '../helpers/index.js';\nimport {_toLeftRightCenter, _alignStartEnd} from '../helpers/helpers.extras.js';\nimport {renderText} from '../helpers/helpers.canvas.js';\n\nexport class Title extends Element {\n /**\n\t * @param {{ ctx: any; options: any; chart: any; }} config\n\t */\n constructor(config) {\n super();\n\n this.chart = config.chart;\n this.options = config.options;\n this.ctx = config.ctx;\n this._padding = undefined;\n this.top = undefined;\n this.bottom = undefined;\n this.left = undefined;\n this.right = undefined;\n this.width = undefined;\n this.height = undefined;\n this.position = undefined;\n this.weight = undefined;\n this.fullSize = undefined;\n }\n\n update(maxWidth, maxHeight) {\n const opts = this.options;\n\n this.left = 0;\n this.top = 0;\n\n if (!opts.display) {\n this.width = this.height = this.right = this.bottom = 0;\n return;\n }\n\n this.width = this.right = maxWidth;\n this.height = this.bottom = maxHeight;\n\n const lineCount = isArray(opts.text) ? opts.text.length : 1;\n this._padding = toPadding(opts.padding);\n const textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height;\n\n if (this.isHorizontal()) {\n this.height = textSize;\n } else {\n this.width = textSize;\n }\n }\n\n isHorizontal() {\n const pos = this.options.position;\n return pos === 'top' || pos === 'bottom';\n }\n\n _drawArgs(offset) {\n const {top, left, bottom, right, options} = this;\n const align = options.align;\n let rotation = 0;\n let 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 maxWidth = bottom - top;\n }\n return {titleX, titleY, maxWidth, rotation};\n }\n\n draw() {\n const ctx = this.ctx;\n const opts = this.options;\n\n if (!opts.display) {\n return;\n }\n\n const fontOpts = toFont(opts.font);\n const lineHeight = fontOpts.lineHeight;\n const offset = lineHeight / 2 + this._padding.top;\n const {titleX, titleY, maxWidth, rotation} = this._drawArgs(offset);\n\n renderText(ctx, opts.text, 0, 0, fontOpts, {\n color: opts.color,\n maxWidth,\n rotation,\n textAlign: _toLeftRightCenter(opts.align),\n textBaseline: 'middle',\n translation: [titleX, titleY],\n });\n }\n}\n\nfunction createTitle(chart, titleOpts) {\n const title = new Title({\n ctx: chart.ctx,\n options: titleOpts,\n chart\n });\n\n layouts.configure(chart, title, titleOpts);\n layouts.addBox(chart, title);\n chart.titleBlock = title;\n}\n\nexport default {\n id: 'title',\n\n /**\n\t * For tests\n\t * @private\n\t */\n _element: Title,\n\n start(chart, _args, options) {\n createTitle(chart, options);\n },\n\n stop(chart) {\n const titleBlock = chart.titleBlock;\n layouts.removeBox(chart, titleBlock);\n delete chart.titleBlock;\n },\n\n beforeUpdate(chart, _args, options) {\n const title = chart.titleBlock;\n layouts.configure(chart, title, options);\n title.options = options;\n },\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 // by default greater than legend (1000) to be above\n },\n\n defaultRoutes: {\n color: 'color'\n },\n\n descriptors: {\n _scriptable: true,\n _indexable: false,\n },\n};\n","import {Title} from './plugin.title.js';\nimport layouts from '../core/core.layouts.js';\n\nconst map = new WeakMap();\n\nexport default {\n id: 'subtitle',\n\n start(chart, _args, options) {\n const title = new Title({\n ctx: chart.ctx,\n options,\n chart\n });\n\n layouts.configure(chart, title, options);\n layouts.addBox(chart, title);\n map.set(chart, title);\n },\n\n stop(chart) {\n layouts.removeBox(chart, map.get(chart));\n map.delete(chart);\n },\n\n beforeUpdate(chart, _args, options) {\n const title = map.get(chart);\n layouts.configure(chart, title, options);\n title.options = options;\n },\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 // by default greater than legend (1000) and smaller than title (2000)\n },\n\n defaultRoutes: {\n color: 'color'\n },\n\n descriptors: {\n _scriptable: true,\n _indexable: false,\n },\n};\n","import Animations from '../core/core.animations.js';\nimport Element from '../core/core.element.js';\nimport {addRoundedRectPath} from '../helpers/helpers.canvas.js';\nimport {each, noop, isNullOrUndef, isArray, _elementsEqual, isObject} from '../helpers/helpers.core.js';\nimport {toFont, toPadding, toTRBLCorners} from '../helpers/helpers.options.js';\nimport {getRtlAdapter, overrideTextDirection, restoreTextDirection} from '../helpers/helpers.rtl.js';\nimport {distanceBetweenPoints, _limitValue} from '../helpers/helpers.math.js';\nimport {createContext, drawPoint} from '../helpers/index.js';\n\n/**\n * @typedef { import('../platform/platform.base.js').Chart } Chart\n * @typedef { import('../types/index.js').ChartEvent } ChartEvent\n * @typedef { import('../types/index.js').ActiveElement } ActiveElement\n * @typedef { import('../core/core.interaction.js').InteractionItem } InteractionItem\n */\n\nconst positioners = {\n /**\n\t * Average mode places the tooltip at the average position of the elements shown\n\t */\n average(items) {\n if (!items.length) {\n return false;\n }\n\n let i, len;\n let xSet = new Set();\n let y = 0;\n let count = 0;\n\n for (i = 0, len = items.length; i < len; ++i) {\n const el = items[i].element;\n if (el && el.hasValue()) {\n const pos = el.tooltipPosition();\n xSet.add(pos.x);\n y += pos.y;\n ++count;\n }\n }\n\n // No visible items where found, return false so we don't have to divide by 0 which reduces in NaN\n if (count === 0 || xSet.size === 0) {\n return false;\n }\n\n const xAverage = [...xSet].reduce((a, b) => a + b) / xSet.size;\n\n return {\n x: xAverage,\n y: y / count\n };\n },\n\n /**\n\t * Gets the tooltip position nearest of the item nearest to the event position\n\t */\n nearest(items, eventPosition) {\n if (!items.length) {\n return false;\n }\n\n let x = eventPosition.x;\n let y = eventPosition.y;\n let minDistance = Number.POSITIVE_INFINITY;\n let i, len, nearestElement;\n\n for (i = 0, len = items.length; i < len; ++i) {\n const el = items[i].element;\n if (el && el.hasValue()) {\n const center = el.getCenterPoint();\n const d = distanceBetweenPoints(eventPosition, center);\n\n if (d < minDistance) {\n minDistance = d;\n nearestElement = el;\n }\n }\n }\n\n if (nearestElement) {\n const tp = nearestElement.tooltipPosition();\n x = tp.x;\n y = tp.y;\n }\n\n return {\n x,\n y\n };\n }\n};\n\n// Helper to push or concat based on if the 2nd parameter is an array or not\nfunction pushOrConcat(base, toPush) {\n if (toPush) {\n if (isArray(toPush)) {\n // base = base.concat(toPush);\n Array.prototype.push.apply(base, toPush);\n } else {\n base.push(toPush);\n }\n }\n\n return base;\n}\n\n/**\n * Returns array of strings split by newline\n * @param {*} str - The value to split by newline.\n * @returns {string|string[]} value if newline present - Returned from String split() method\n * @function\n */\nfunction splitNewlines(str) {\n if ((typeof str === 'string' || str instanceof String) && str.indexOf('\\n') > -1) {\n return str.split('\\n');\n }\n return str;\n}\n\n\n/**\n * Private helper to create a tooltip item model\n * @param {Chart} chart\n * @param {ActiveElement} item - {element, index, datasetIndex} to create the tooltip item for\n * @return new tooltip item\n */\nfunction createTooltipItem(chart, item) {\n const {element, datasetIndex, index} = item;\n const controller = chart.getDatasetMeta(datasetIndex).controller;\n const {label, value} = controller.getLabelAndValue(index);\n\n return {\n chart,\n 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,\n element\n };\n}\n\n/**\n * Get the size of the tooltip\n */\nfunction getTooltipSize(tooltip, options) {\n const ctx = tooltip.chart.ctx;\n const {body, footer, title} = tooltip;\n const {boxWidth, boxHeight} = options;\n const bodyFont = toFont(options.bodyFont);\n const titleFont = toFont(options.titleFont);\n const footerFont = toFont(options.footerFont);\n const titleLineCount = title.length;\n const footerLineCount = footer.length;\n const bodyLineItemCount = body.length;\n\n const padding = toPadding(options.padding);\n let height = padding.height;\n let width = 0;\n\n // Count of all lines in the body\n let combinedBodyLength = body.reduce((count, bodyItem) => count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0);\n combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length;\n\n if (titleLineCount) {\n height += titleLineCount * titleFont.lineHeight\n\t\t\t+ (titleLineCount - 1) * options.titleSpacing\n\t\t\t+ options.titleMarginBottom;\n }\n if (combinedBodyLength) {\n // Body lines may include some extra height depending on boxHeight\n const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight;\n height += bodyLineItemCount * bodyLineHeight\n\t\t\t+ (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight\n\t\t\t+ (combinedBodyLength - 1) * options.bodySpacing;\n }\n if (footerLineCount) {\n height += options.footerMarginTop\n\t\t\t+ footerLineCount * footerFont.lineHeight\n\t\t\t+ (footerLineCount - 1) * options.footerSpacing;\n }\n\n // Title width\n let widthPadding = 0;\n const maxLineWidth = function(line) {\n width = Math.max(width, ctx.measureText(line).width + widthPadding);\n };\n\n ctx.save();\n\n ctx.font = titleFont.string;\n each(tooltip.title, maxLineWidth);\n\n // Body width\n ctx.font = bodyFont.string;\n each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth);\n\n // Body lines may include some extra width due to the color box\n widthPadding = options.displayColors ? (boxWidth + 2 + options.boxPadding) : 0;\n each(body, (bodyItem) => {\n each(bodyItem.before, maxLineWidth);\n each(bodyItem.lines, maxLineWidth);\n each(bodyItem.after, maxLineWidth);\n });\n\n // Reset back to 0\n widthPadding = 0;\n\n // Footer width\n ctx.font = footerFont.string;\n each(tooltip.footer, maxLineWidth);\n\n ctx.restore();\n\n // Add padding\n width += padding.width;\n\n return {width, height};\n}\n\nfunction determineYAlign(chart, size) {\n const {y, height} = size;\n\n if (y < height / 2) {\n return 'top';\n } else if (y > (chart.height - height / 2)) {\n return 'bottom';\n }\n return 'center';\n}\n\nfunction doesNotFitWithAlign(xAlign, chart, options, size) {\n const {x, width} = size;\n const caret = options.caretSize + options.caretPadding;\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 const {x, width} = size;\n const {width: chartWidth, chartArea: {left, right}} = chart;\n let 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\n/**\n * Helper to get the alignment of a tooltip given the size\n */\nfunction determineAlignment(chart, options, size) {\n const yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size);\n\n return {\n xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign),\n yAlign\n };\n}\n\nfunction alignX(size, xAlign) {\n let {x, width} = size;\n if (xAlign === 'right') {\n x -= width;\n } else if (xAlign === 'center') {\n x -= (width / 2);\n }\n return x;\n}\n\nfunction alignY(size, yAlign, paddingAndSize) {\n // eslint-disable-next-line prefer-const\n let {y, height} = size;\n if (yAlign === 'top') {\n y += paddingAndSize;\n } else if (yAlign === 'bottom') {\n y -= height + paddingAndSize;\n } else {\n y -= (height / 2);\n }\n return y;\n}\n\n/**\n * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment\n */\nfunction getBackgroundPoint(options, size, alignment, chart) {\n const {caretSize, caretPadding, cornerRadius} = options;\n const {xAlign, yAlign} = alignment;\n const paddingAndSize = caretSize + caretPadding;\n const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius);\n\n let x = alignX(size, xAlign);\n const y = alignY(size, yAlign, paddingAndSize);\n\n if (yAlign === 'center') {\n if (xAlign === 'left') {\n x += paddingAndSize;\n } else if (xAlign === 'right') {\n x -= paddingAndSize;\n }\n } else if (xAlign === 'left') {\n x -= Math.max(topLeft, bottomLeft) + caretSize;\n } else if (xAlign === 'right') {\n x += Math.max(topRight, bottomRight) + caretSize;\n }\n\n return {\n x: _limitValue(x, 0, chart.width - size.width),\n y: _limitValue(y, 0, chart.height - size.height)\n };\n}\n\nfunction getAlignedX(tooltip, align, options) {\n const padding = toPadding(options.padding);\n\n return align === 'center'\n ? tooltip.x + tooltip.width / 2\n : align === 'right'\n ? tooltip.x + tooltip.width - padding.right\n : tooltip.x + padding.left;\n}\n\n/**\n * Helper to build before and after body lines\n */\nfunction getBeforeAfterBodyLines(callback) {\n return pushOrConcat([], splitNewlines(callback));\n}\n\nfunction createTooltipContext(parent, tooltip, tooltipItems) {\n return createContext(parent, {\n tooltip,\n tooltipItems,\n type: 'tooltip'\n });\n}\n\nfunction overrideCallbacks(callbacks, context) {\n const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks;\n return override ? callbacks.override(override) : callbacks;\n}\n\nconst defaultCallbacks = {\n // Args are: (tooltipItems, data)\n beforeTitle: noop,\n title(tooltipItems) {\n if (tooltipItems.length > 0) {\n const item = tooltipItems[0];\n const labels = item.chart.data.labels;\n const 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\n // Args are: (tooltipItems, data)\n beforeBody: noop,\n\n // Args are: (tooltipItem, data)\n beforeLabel: noop,\n label(tooltipItem) {\n if (this && this.options && this.options.mode === 'dataset') {\n return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue;\n }\n\n let label = tooltipItem.dataset.label || '';\n\n if (label) {\n label += ': ';\n }\n const value = tooltipItem.formattedValue;\n if (!isNullOrUndef(value)) {\n label += value;\n }\n return label;\n },\n labelColor(tooltipItem) {\n const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex);\n const 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() {\n return this.options.bodyColor;\n },\n labelPointStyle(tooltipItem) {\n const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex);\n const options = meta.controller.getStyle(tooltipItem.dataIndex);\n return {\n pointStyle: options.pointStyle,\n rotation: options.rotation,\n };\n },\n afterLabel: noop,\n\n // Args are: (tooltipItems, data)\n afterBody: noop,\n\n // Args are: (tooltipItems, data)\n beforeFooter: noop,\n footer: noop,\n afterFooter: noop\n};\n\n/**\n * Invoke callback from object with context and arguments.\n * If callback returns `undefined`, then will be invoked default callback.\n * @param {Record} callbacks\n * @param {keyof typeof defaultCallbacks} name\n * @param {*} ctx\n * @param {*} arg\n * @returns {any}\n */\nfunction invokeCallbackWithFallback(callbacks, name, ctx, arg) {\n const result = callbacks[name].call(ctx, arg);\n\n if (typeof result === 'undefined') {\n return defaultCallbacks[name].call(ctx, arg);\n }\n\n return result;\n}\n\nexport class Tooltip extends Element {\n\n /**\n * @namespace Chart.Tooltip.positioners\n */\n static positioners = positioners;\n\n constructor(config) {\n super();\n\n this.opacity = 0;\n this._active = [];\n this._eventPosition = undefined;\n this._size = undefined;\n this._cachedAnimations = undefined;\n this._tooltipItems = [];\n this.$animations = undefined;\n this.$context = undefined;\n this.chart = config.chart;\n this.options = config.options;\n this.dataPoints = undefined;\n this.title = undefined;\n this.beforeBody = undefined;\n this.body = undefined;\n this.afterBody = undefined;\n this.footer = undefined;\n this.xAlign = undefined;\n this.yAlign = undefined;\n this.x = undefined;\n this.y = undefined;\n this.height = undefined;\n this.width = undefined;\n this.caretX = undefined;\n this.caretY = undefined;\n // TODO: V4, make this private, rename to `_labelStyles`, and combine with `labelPointStyles`\n // and `labelTextColors` to create a single variable\n this.labelColors = undefined;\n this.labelPointStyles = undefined;\n this.labelTextColors = undefined;\n }\n\n initialize(options) {\n this.options = options;\n this._cachedAnimations = undefined;\n this.$context = undefined;\n }\n\n /**\n\t * @private\n\t */\n _resolveAnimations() {\n const cached = this._cachedAnimations;\n\n if (cached) {\n return cached;\n }\n\n const chart = this.chart;\n const options = this.options.setContext(this.getContext());\n const opts = options.enabled && chart.options.animation && options.animations;\n const animations = new Animations(this.chart, opts);\n if (opts._cacheable) {\n this._cachedAnimations = Object.freeze(animations);\n }\n\n return animations;\n }\n\n /**\n\t * @protected\n\t */\n getContext() {\n return this.$context ||\n\t\t\t(this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems));\n }\n\n getTitle(context, options) {\n const {callbacks} = options;\n\n const beforeTitle = invokeCallbackWithFallback(callbacks, 'beforeTitle', this, context);\n const title = invokeCallbackWithFallback(callbacks, 'title', this, context);\n const afterTitle = invokeCallbackWithFallback(callbacks, 'afterTitle', this, context);\n\n let lines = [];\n lines = pushOrConcat(lines, splitNewlines(beforeTitle));\n lines = pushOrConcat(lines, splitNewlines(title));\n lines = pushOrConcat(lines, splitNewlines(afterTitle));\n\n return lines;\n }\n\n getBeforeBody(tooltipItems, options) {\n return getBeforeAfterBodyLines(\n invokeCallbackWithFallback(options.callbacks, 'beforeBody', this, tooltipItems)\n );\n }\n\n getBody(tooltipItems, options) {\n const {callbacks} = options;\n const bodyItems = [];\n\n each(tooltipItems, (context) => {\n const bodyItem = {\n before: [],\n lines: [],\n after: []\n };\n const scoped = overrideCallbacks(callbacks, context);\n pushOrConcat(bodyItem.before, splitNewlines(invokeCallbackWithFallback(scoped, 'beforeLabel', this, context)));\n pushOrConcat(bodyItem.lines, invokeCallbackWithFallback(scoped, 'label', this, context));\n pushOrConcat(bodyItem.after, splitNewlines(invokeCallbackWithFallback(scoped, 'afterLabel', this, context)));\n\n bodyItems.push(bodyItem);\n });\n\n return bodyItems;\n }\n\n getAfterBody(tooltipItems, options) {\n return getBeforeAfterBodyLines(\n invokeCallbackWithFallback(options.callbacks, 'afterBody', this, tooltipItems)\n );\n }\n\n // Get the footer and beforeFooter and afterFooter lines\n getFooter(tooltipItems, options) {\n const {callbacks} = options;\n\n const beforeFooter = invokeCallbackWithFallback(callbacks, 'beforeFooter', this, tooltipItems);\n const footer = invokeCallbackWithFallback(callbacks, 'footer', this, tooltipItems);\n const afterFooter = invokeCallbackWithFallback(callbacks, 'afterFooter', this, tooltipItems);\n\n let lines = [];\n lines = pushOrConcat(lines, splitNewlines(beforeFooter));\n lines = pushOrConcat(lines, splitNewlines(footer));\n lines = pushOrConcat(lines, splitNewlines(afterFooter));\n\n return lines;\n }\n\n /**\n\t * @private\n\t */\n _createItems(options) {\n const active = this._active;\n const data = this.chart.data;\n const labelColors = [];\n const labelPointStyles = [];\n const labelTextColors = [];\n let tooltipItems = [];\n let i, len;\n\n for (i = 0, len = active.length; i < len; ++i) {\n tooltipItems.push(createTooltipItem(this.chart, active[i]));\n }\n\n // If the user provided a filter function, use it to modify the tooltip items\n if (options.filter) {\n tooltipItems = tooltipItems.filter((element, index, array) => options.filter(element, index, array, data));\n }\n\n // If the user provided a sorting function, use it to modify the tooltip items\n if (options.itemSort) {\n tooltipItems = tooltipItems.sort((a, b) => options.itemSort(a, b, data));\n }\n\n // Determine colors for boxes\n each(tooltipItems, (context) => {\n const scoped = overrideCallbacks(options.callbacks, context);\n labelColors.push(invokeCallbackWithFallback(scoped, 'labelColor', this, context));\n labelPointStyles.push(invokeCallbackWithFallback(scoped, 'labelPointStyle', this, context));\n labelTextColors.push(invokeCallbackWithFallback(scoped, 'labelTextColor', this, context));\n });\n\n this.labelColors = labelColors;\n this.labelPointStyles = labelPointStyles;\n this.labelTextColors = labelTextColors;\n this.dataPoints = tooltipItems;\n return tooltipItems;\n }\n\n update(changed, replay) {\n const options = this.options.setContext(this.getContext());\n const active = this._active;\n let properties;\n let tooltipItems = [];\n\n if (!active.length) {\n if (this.opacity !== 0) {\n properties = {\n opacity: 0\n };\n }\n } else {\n const position = positioners[options.position].call(this, active, this._eventPosition);\n tooltipItems = this._createItems(options);\n\n this.title = this.getTitle(tooltipItems, options);\n this.beforeBody = this.getBeforeBody(tooltipItems, options);\n this.body = this.getBody(tooltipItems, options);\n this.afterBody = this.getAfterBody(tooltipItems, options);\n this.footer = this.getFooter(tooltipItems, options);\n\n const size = this._size = getTooltipSize(this, options);\n const positionAndSize = Object.assign({}, position, size);\n const alignment = determineAlignment(this.chart, options, positionAndSize);\n const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart);\n\n this.xAlign = alignment.xAlign;\n this.yAlign = alignment.yAlign;\n\n properties = {\n opacity: 1,\n x: backgroundPoint.x,\n y: backgroundPoint.y,\n width: size.width,\n height: size.height,\n caretX: position.x,\n caretY: position.y\n };\n }\n\n this._tooltipItems = tooltipItems;\n this.$context = undefined;\n\n if (properties) {\n this._resolveAnimations().update(this, properties);\n }\n\n if (changed && options.external) {\n options.external.call(this, {chart: this.chart, tooltip: this, replay});\n }\n }\n\n drawCaret(tooltipPoint, ctx, size, options) {\n const caretPosition = this.getCaretPosition(tooltipPoint, size, options);\n\n ctx.lineTo(caretPosition.x1, caretPosition.y1);\n ctx.lineTo(caretPosition.x2, caretPosition.y2);\n ctx.lineTo(caretPosition.x3, caretPosition.y3);\n }\n\n getCaretPosition(tooltipPoint, size, options) {\n const {xAlign, yAlign} = this;\n const {caretSize, cornerRadius} = options;\n const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(cornerRadius);\n const {x: ptX, y: ptY} = tooltipPoint;\n const {width, height} = size;\n let 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\n // Left draws bottom -> top, this y1 is on the bottom\n y1 = y2 + caretSize;\n y3 = y2 - caretSize;\n } else {\n x1 = ptX + width;\n x2 = x1 + caretSize;\n\n // Right draws top -> bottom, thus y1 is on the top\n y1 = y2 - caretSize;\n y3 = y2 + caretSize;\n }\n\n x3 = x1;\n } else {\n if (xAlign === 'left') {\n x2 = ptX + Math.max(topLeft, bottomLeft) + (caretSize);\n } else if (xAlign === 'right') {\n x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize;\n } else {\n x2 = this.caretX;\n }\n\n if (yAlign === 'top') {\n y1 = ptY;\n y2 = y1 - caretSize;\n\n // Top draws left -> right, thus x1 is on the left\n x1 = x2 - caretSize;\n x3 = x2 + caretSize;\n } else {\n y1 = ptY + height;\n y2 = y1 + caretSize;\n\n // Bottom draws right -> left, thus x1 is on the right\n x1 = x2 + caretSize;\n x3 = x2 - caretSize;\n }\n y3 = y1;\n }\n return {x1, x2, x3, y1, y2, y3};\n }\n\n drawTitle(pt, ctx, options) {\n const title = this.title;\n const length = title.length;\n let titleFont, titleSpacing, i;\n\n if (length) {\n const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);\n\n pt.x = getAlignedX(this, options.titleAlign, options);\n\n ctx.textAlign = rtlHelper.textAlign(options.titleAlign);\n ctx.textBaseline = 'middle';\n\n titleFont = toFont(options.titleFont);\n titleSpacing = options.titleSpacing;\n\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; // Line Height and spacing\n\n if (i + 1 === length) {\n pt.y += options.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing\n }\n }\n }\n }\n\n /**\n\t * @private\n\t */\n _drawColorBox(ctx, pt, i, rtlHelper, options) {\n const labelColor = this.labelColors[i];\n const labelPointStyle = this.labelPointStyles[i];\n const {boxHeight, boxWidth} = options;\n const bodyFont = toFont(options.bodyFont);\n const colorX = getAlignedX(this, 'left', options);\n const rtlColorX = rtlHelper.x(colorX);\n const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0;\n const colorY = pt.y + yOffSet;\n\n if (options.usePointStyle) {\n const drawOptions = {\n radius: Math.min(boxWidth, boxHeight) / 2, // fit the circle in the box\n pointStyle: labelPointStyle.pointStyle,\n rotation: labelPointStyle.rotation,\n borderWidth: 1\n };\n // Recalculate x and y for drawPoint() because its expecting\n // x and y to be center of figure (instead of top left)\n const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2;\n const centerY = colorY + boxHeight / 2;\n\n // Fill the point with white so that colours merge nicely if the opacity is < 1\n ctx.strokeStyle = options.multiKeyBackground;\n ctx.fillStyle = options.multiKeyBackground;\n drawPoint(ctx, drawOptions, centerX, centerY);\n\n // Draw the point\n ctx.strokeStyle = labelColor.borderColor;\n ctx.fillStyle = labelColor.backgroundColor;\n drawPoint(ctx, drawOptions, centerX, centerY);\n } else {\n // Border\n ctx.lineWidth = isObject(labelColor.borderWidth) ? Math.max(...Object.values(labelColor.borderWidth)) : (labelColor.borderWidth || 1); // TODO, v4 remove fallback\n ctx.strokeStyle = labelColor.borderColor;\n ctx.setLineDash(labelColor.borderDash || []);\n ctx.lineDashOffset = labelColor.borderDashOffset || 0;\n\n // Fill a white rect so that colours merge nicely if the opacity is < 1\n const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth);\n const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - 2);\n const borderRadius = toTRBLCorners(labelColor.borderRadius);\n\n if (Object.values(borderRadius).some(v => v !== 0)) {\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\n // Inner square\n ctx.fillStyle = labelColor.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 // Normal rect\n ctx.fillStyle = options.multiKeyBackground;\n ctx.fillRect(outerX, colorY, boxWidth, boxHeight);\n ctx.strokeRect(outerX, colorY, boxWidth, boxHeight);\n // Inner square\n ctx.fillStyle = labelColor.backgroundColor;\n ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2);\n }\n }\n\n // restore fillStyle\n ctx.fillStyle = this.labelTextColors[i];\n }\n\n drawBody(pt, ctx, options) {\n const {body} = this;\n const {bodySpacing, bodyAlign, displayColors, boxHeight, boxWidth, boxPadding} = options;\n const bodyFont = toFont(options.bodyFont);\n let bodyLineHeight = bodyFont.lineHeight;\n let xLinePadding = 0;\n\n const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);\n\n const fillLineOfText = function(line) {\n ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2);\n pt.y += bodyLineHeight + bodySpacing;\n };\n\n const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign);\n let bodyItem, textColor, lines, i, j, ilen, jlen;\n\n ctx.textAlign = bodyAlign;\n ctx.textBaseline = 'middle';\n ctx.font = bodyFont.string;\n\n pt.x = getAlignedX(this, bodyAlignForCalculation, options);\n\n // Before body lines\n ctx.fillStyle = options.bodyColor;\n each(this.beforeBody, fillLineOfText);\n\n xLinePadding = displayColors && bodyAlignForCalculation !== 'right'\n ? bodyAlign === 'center' ? (boxWidth / 2 + boxPadding) : (boxWidth + 2 + boxPadding)\n : 0;\n\n // Draw body lines now\n for (i = 0, ilen = body.length; i < ilen; ++i) {\n bodyItem = body[i];\n textColor = this.labelTextColors[i];\n\n ctx.fillStyle = textColor;\n each(bodyItem.before, fillLineOfText);\n\n lines = bodyItem.lines;\n // Draw Legend-like boxes if needed\n if (displayColors && lines.length) {\n this._drawColorBox(ctx, pt, i, rtlHelper, options);\n bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight);\n }\n\n for (j = 0, jlen = lines.length; j < jlen; ++j) {\n fillLineOfText(lines[j]);\n // Reset for any lines that don't include colorbox\n bodyLineHeight = bodyFont.lineHeight;\n }\n\n each(bodyItem.after, fillLineOfText);\n }\n\n // Reset back to 0 for after body\n xLinePadding = 0;\n bodyLineHeight = bodyFont.lineHeight;\n\n // After body lines\n each(this.afterBody, fillLineOfText);\n pt.y -= bodySpacing; // Remove last body spacing\n }\n\n drawFooter(pt, ctx, options) {\n const footer = this.footer;\n const length = footer.length;\n let footerFont, i;\n\n if (length) {\n const rtlHelper = getRtlAdapter(options.rtl, this.x, this.width);\n\n pt.x = getAlignedX(this, options.footerAlign, options);\n pt.y += options.footerMarginTop;\n\n ctx.textAlign = rtlHelper.textAlign(options.footerAlign);\n ctx.textBaseline = 'middle';\n\n footerFont = toFont(options.footerFont);\n\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 drawBackground(pt, ctx, tooltipSize, options) {\n const {xAlign, yAlign} = this;\n const {x, y} = pt;\n const {width, height} = tooltipSize;\n const {topLeft, topRight, bottomLeft, bottomRight} = toTRBLCorners(options.cornerRadius);\n\n ctx.fillStyle = options.backgroundColor;\n ctx.strokeStyle = options.borderColor;\n ctx.lineWidth = options.borderWidth;\n\n ctx.beginPath();\n ctx.moveTo(x + topLeft, y);\n if (yAlign === 'top') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n ctx.lineTo(x + width - topRight, y);\n ctx.quadraticCurveTo(x + width, y, x + width, y + topRight);\n if (yAlign === 'center' && xAlign === 'right') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n ctx.lineTo(x + width, y + height - bottomRight);\n ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height);\n if (yAlign === 'bottom') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n ctx.lineTo(x + bottomLeft, y + height);\n ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft);\n if (yAlign === 'center' && xAlign === 'left') {\n this.drawCaret(pt, ctx, tooltipSize, options);\n }\n ctx.lineTo(x, y + topLeft);\n ctx.quadraticCurveTo(x, y, x + topLeft, y);\n ctx.closePath();\n\n ctx.fill();\n\n if (options.borderWidth > 0) {\n ctx.stroke();\n }\n }\n\n /**\n\t * Update x/y animation targets when _active elements are animating too\n\t * @private\n\t */\n _updateAnimationTarget(options) {\n const chart = this.chart;\n const anims = this.$animations;\n const animX = anims && anims.x;\n const animY = anims && anims.y;\n if (animX || animY) {\n const position = positioners[options.position].call(this, this._active, this._eventPosition);\n if (!position) {\n return;\n }\n const size = this._size = getTooltipSize(this, options);\n const positionAndSize = Object.assign({}, position, this._size);\n const alignment = determineAlignment(chart, options, positionAndSize);\n const point = getBackgroundPoint(options, positionAndSize, alignment, chart);\n if (animX._to !== point.x || animY._to !== point.y) {\n this.xAlign = alignment.xAlign;\n this.yAlign = alignment.yAlign;\n this.width = size.width;\n this.height = size.height;\n this.caretX = position.x;\n this.caretY = position.y;\n this._resolveAnimations().update(this, point);\n }\n }\n }\n\n /**\n * Determine if the tooltip will draw anything\n * @returns {boolean} True if the tooltip will render\n */\n _willRender() {\n return !!this.opacity;\n }\n\n draw(ctx) {\n const options = this.options.setContext(this.getContext());\n let opacity = this.opacity;\n\n if (!opacity) {\n return;\n }\n\n this._updateAnimationTarget(options);\n\n const tooltipSize = {\n width: this.width,\n height: this.height\n };\n const pt = {\n x: this.x,\n y: this.y\n };\n\n // IE11/Edge does not like very small opacities, so snap to 0\n opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity;\n\n const padding = toPadding(options.padding);\n\n // Truthy/falsey value for empty tooltip\n const hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length;\n\n if (options.enabled && hasTooltipContent) {\n ctx.save();\n ctx.globalAlpha = opacity;\n\n // Draw Background\n this.drawBackground(pt, ctx, tooltipSize, options);\n\n overrideTextDirection(ctx, options.textDirection);\n\n pt.y += padding.top;\n\n // Titles\n this.drawTitle(pt, ctx, options);\n\n // Body\n this.drawBody(pt, ctx, options);\n\n // Footer\n this.drawFooter(pt, ctx, options);\n\n restoreTextDirection(ctx, options.textDirection);\n\n ctx.restore();\n }\n }\n\n /**\n\t * Get active elements in the tooltip\n\t * @returns {Array} Array of elements that are active in the tooltip\n\t */\n getActiveElements() {\n return this._active || [];\n }\n\n /**\n\t * Set active elements in the tooltip\n\t * @param {array} activeElements Array of active datasetIndex/index pairs.\n\t * @param {object} eventPosition Synthetic event position used in positioning\n\t */\n setActiveElements(activeElements, eventPosition) {\n const lastActive = this._active;\n const active = activeElements.map(({datasetIndex, index}) => {\n const meta = this.chart.getDatasetMeta(datasetIndex);\n\n if (!meta) {\n throw new Error('Cannot find a dataset at index ' + datasetIndex);\n }\n\n return {\n datasetIndex,\n element: meta.data[index],\n index,\n };\n });\n const changed = !_elementsEqual(lastActive, active);\n const positionChanged = this._positionChanged(active, eventPosition);\n\n if (changed || positionChanged) {\n this._active = active;\n this._eventPosition = eventPosition;\n this._ignoreReplayEvents = true;\n this.update(true);\n }\n }\n\n /**\n\t * Handle an event\n\t * @param {ChartEvent} e - The event to handle\n\t * @param {boolean} [replay] - This is a replayed event (from update)\n\t * @param {boolean} [inChartArea] - The event is inside chartArea\n\t * @returns {boolean} true if the tooltip changed\n\t */\n handleEvent(e, replay, inChartArea = true) {\n if (replay && this._ignoreReplayEvents) {\n return false;\n }\n this._ignoreReplayEvents = false;\n\n const options = this.options;\n const lastActive = this._active || [];\n const active = this._getActiveElements(e, lastActive, replay, inChartArea);\n\n // When there are multiple items shown, but the tooltip position is nearest mode\n // an update may need to be made because our position may have changed even though\n // the items are the same as before.\n const positionChanged = this._positionChanged(active, e);\n\n // Remember Last Actives\n const changed = replay || !_elementsEqual(active, lastActive) || positionChanged;\n\n // Only handle target event on tooltip change\n if (changed) {\n this._active = active;\n\n if (options.enabled || options.external) {\n this._eventPosition = {\n x: e.x,\n y: e.y\n };\n\n this.update(true, replay);\n }\n }\n\n return changed;\n }\n\n /**\n\t * Helper for determining the active elements for event\n\t * @param {ChartEvent} e - The event to handle\n\t * @param {InteractionItem[]} lastActive - Previously active elements\n\t * @param {boolean} [replay] - This is a replayed event (from update)\n\t * @param {boolean} [inChartArea] - The event is inside chartArea\n\t * @returns {InteractionItem[]} - Active elements\n\t * @private\n\t */\n _getActiveElements(e, lastActive, replay, inChartArea) {\n const options = this.options;\n\n if (e.type === 'mouseout') {\n return [];\n }\n\n if (!inChartArea) {\n // Let user control the active elements outside chartArea. Eg. using Legend.\n // But make sure that active elements are still valid.\n return lastActive.filter(i =>\n this.chart.data.datasets[i.datasetIndex] &&\n this.chart.getDatasetMeta(i.datasetIndex).controller.getParsed(i.index) !== undefined\n );\n }\n\n // Find Active Elements for tooltips\n const active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay);\n\n if (options.reverse) {\n active.reverse();\n }\n\n return active;\n }\n\n /**\n\t * Determine if the active elements + event combination changes the\n\t * tooltip position\n\t * @param {array} active - Active elements\n\t * @param {ChartEvent} e - Event that triggered the position change\n\t * @returns {boolean} True if the position has changed\n\t */\n _positionChanged(active, e) {\n const {caretX, caretY, options} = this;\n const position = positioners[options.position].call(this, active, e);\n return position !== false && (caretX !== position.x || caretY !== position.y);\n }\n}\n\nexport default {\n id: 'tooltip',\n _element: Tooltip,\n positioners,\n\n afterInit(chart, _args, options) {\n if (options) {\n chart.tooltip = new Tooltip({chart, options});\n }\n },\n\n beforeUpdate(chart, _args, options) {\n if (chart.tooltip) {\n chart.tooltip.initialize(options);\n }\n },\n\n reset(chart, _args, options) {\n if (chart.tooltip) {\n chart.tooltip.initialize(options);\n }\n },\n\n afterDraw(chart) {\n const tooltip = chart.tooltip;\n\n if (tooltip && tooltip._willRender()) {\n const args = {\n tooltip\n };\n\n if (chart.notifyPlugins('beforeTooltipDraw', {...args, cancelable: true}) === false) {\n return;\n }\n\n tooltip.draw(chart.ctx);\n\n chart.notifyPlugins('afterTooltipDraw', args);\n }\n },\n\n afterEvent(chart, args) {\n if (chart.tooltip) {\n // If the event is replayed from `update`, we should evaluate with the final positions.\n const useFinalPosition = args.replay;\n if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) {\n // notify chart about the change, so it will render\n args.changed = true;\n }\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 },\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: (ctx, opts) => opts.bodyFont.size,\n boxWidth: (ctx, opts) => opts.bodyFont.size,\n multiKeyBackground: '#fff',\n displayColors: true,\n boxPadding: 0,\n borderColor: 'rgba(0,0,0,0)',\n borderWidth: 0,\n animation: {\n duration: 400,\n easing: 'easeOutQuart',\n },\n animations: {\n numbers: {\n type: 'number',\n properties: ['x', 'y', 'width', 'height', 'caretX', 'caretY'],\n },\n opacity: {\n easing: 'linear',\n duration: 200\n }\n },\n callbacks: defaultCallbacks\n },\n\n defaultRoutes: {\n bodyFont: 'font',\n footerFont: 'font',\n titleFont: 'font'\n },\n\n descriptors: {\n _scriptable: (name) => name !== 'filter' && name !== 'itemSort' && name !== 'external',\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\n // Resolve additionally from `interaction` options and defaults.\n additionalOptionScopes: ['interaction']\n};\n","import Scale from '../core/core.scale.js';\nimport {isNullOrUndef, valueOrDefault, _limitValue} from '../helpers/index.js';\n\nconst addIfString = (labels, raw, index, addedLabels) => {\n if (typeof raw === 'string') {\n index = labels.push(raw) - 1;\n addedLabels.unshift({index, label: raw});\n } else if (isNaN(raw)) {\n index = null;\n }\n return index;\n};\n\nfunction findOrAddLabel(labels, raw, index, addedLabels) {\n const first = labels.indexOf(raw);\n if (first === -1) {\n return addIfString(labels, raw, index, addedLabels);\n }\n const last = labels.lastIndexOf(raw);\n return first !== last ? index : first;\n}\n\nconst validIndex = (index, max) => index === null ? null : _limitValue(Math.round(index), 0, max);\n\nfunction _getLabelForValue(value) {\n const labels = this.getLabels();\n\n if (value >= 0 && value < labels.length) {\n return labels[value];\n }\n return value;\n}\n\nexport default class CategoryScale extends Scale {\n\n static id = 'category';\n\n /**\n * @type {any}\n */\n static defaults = {\n ticks: {\n callback: _getLabelForValue\n }\n };\n\n constructor(cfg) {\n super(cfg);\n\n /** @type {number} */\n this._startValue = undefined;\n this._valueRange = 0;\n this._addedLabels = [];\n }\n\n init(scaleOptions) {\n const added = this._addedLabels;\n if (added.length) {\n const labels = this.getLabels();\n for (const {index, label} of added) {\n if (labels[index] === label) {\n labels.splice(index, 1);\n }\n }\n this._addedLabels = [];\n }\n super.init(scaleOptions);\n }\n\n parse(raw, index) {\n if (isNullOrUndef(raw)) {\n return null;\n }\n const labels = this.getLabels();\n index = isFinite(index) && labels[index] === raw ? index\n : findOrAddLabel(labels, raw, valueOrDefault(index, raw), this._addedLabels);\n return validIndex(index, labels.length - 1);\n }\n\n determineDataLimits() {\n const {minDefined, maxDefined} = this.getUserBounds();\n let {min, max} = this.getMinMax(true);\n\n if (this.options.bounds === 'ticks') {\n if (!minDefined) {\n min = 0;\n }\n if (!maxDefined) {\n max = this.getLabels().length - 1;\n }\n }\n\n this.min = min;\n this.max = max;\n }\n\n buildTicks() {\n const min = this.min;\n const max = this.max;\n const offset = this.options.offset;\n const ticks = [];\n let labels = this.getLabels();\n\n // If we are viewing some subset of labels, slice the original array\n labels = (min === 0 && max === labels.length - 1) ? labels : labels.slice(min, max + 1);\n\n this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1);\n this._startValue = this.min - (offset ? 0.5 : 0);\n\n for (let value = min; value <= max; value++) {\n ticks.push({value});\n }\n return ticks;\n }\n\n getLabelForValue(value) {\n return _getLabelForValue.call(this, value);\n }\n\n /**\n\t * @protected\n\t */\n configure() {\n super.configure();\n\n if (!this.isHorizontal()) {\n // For backward compatibility, vertical category scale reverse is inverted.\n this._reversePixels = !this._reversePixels;\n }\n }\n\n // Used to get data value locations. Value can either be an index or a numerical value\n getPixelForValue(value) {\n if (typeof value !== 'number') {\n value = this.parse(value);\n }\n\n return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange);\n }\n\n // Must override base implementation because it calls getPixelForValue\n // and category scale can have duplicate values\n getPixelForTick(index) {\n const ticks = this.ticks;\n if (index < 0 || index > ticks.length - 1) {\n return null;\n }\n return this.getPixelForValue(ticks[index].value);\n }\n\n getValueForPixel(pixel) {\n return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange);\n }\n\n getBasePixel() {\n return this.bottom;\n }\n}\n","import {isNullOrUndef} from '../helpers/helpers.core.js';\nimport {almostEquals, almostWhole, niceNum, _decimalPlaces, _setMinAndMaxByKey, sign, toRadians} from '../helpers/helpers.math.js';\nimport Scale from '../core/core.scale.js';\nimport {formatNumber} from '../helpers/helpers.intl.js';\n\n/**\n * Generate a set of linear ticks for an axis\n * 1. If generationOptions.min, generationOptions.max, and generationOptions.step are defined:\n * if (max - min) / step is an integer, ticks are generated as [min, min + step, ..., max]\n * Note that the generationOptions.maxCount setting is respected in this scenario\n *\n * 2. If generationOptions.min, generationOptions.max, and generationOptions.count is defined\n * spacing = (max - min) / count\n * Ticks are generated as [min, min + spacing, ..., max]\n *\n * 3. If generationOptions.count is defined\n * spacing = (niceMax - niceMin) / count\n *\n * 4. Compute optimal spacing of ticks using niceNum algorithm\n *\n * @param generationOptions the options used to generate the ticks\n * @param dataRange the range of the data\n * @returns {object[]} array of tick objects\n */\nfunction generateTicks(generationOptions, dataRange) {\n const ticks = [];\n // To get a \"nice\" value for the tick spacing, we will use the appropriately named\n // \"nice number\" algorithm. See https://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks\n // for details.\n\n const MIN_SPACING = 1e-14;\n const {bounds, step, min, max, precision, count, maxTicks, maxDigits, includeBounds} = generationOptions;\n const unit = step || 1;\n const maxSpaces = maxTicks - 1;\n const {min: rmin, max: rmax} = dataRange;\n const minDefined = !isNullOrUndef(min);\n const maxDefined = !isNullOrUndef(max);\n const countDefined = !isNullOrUndef(count);\n const minSpacing = (rmax - rmin) / (maxDigits + 1);\n let spacing = niceNum((rmax - rmin) / maxSpaces / unit) * unit;\n let factor, niceMin, niceMax, numSpaces;\n\n // Beyond MIN_SPACING floating point numbers being to lose precision\n // such that we can't do the math necessary to generate ticks\n if (spacing < MIN_SPACING && !minDefined && !maxDefined) {\n return [{value: rmin}, {value: rmax}];\n }\n\n numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing);\n if (numSpaces > maxSpaces) {\n // If the calculated num of spaces exceeds maxNumSpaces, recalculate it\n spacing = niceNum(numSpaces * spacing / maxSpaces / unit) * unit;\n }\n\n if (!isNullOrUndef(precision)) {\n // If the user specified a precision, round to that number of decimal places\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 // Case 1: If min, max and stepSize are set and they make an evenly spaced scale use it.\n // spacing = step;\n // numSpaces = (max - min) / spacing;\n // Note that we round here to handle the case where almostWhole translated an FP error\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 // Cases 2 & 3, we have a count specified. Handle optional user defined edges to the range.\n // Sometimes these are no-ops, but it makes the code a lot clearer\n // and when a user defined range is specified, we want the correct ticks\n niceMin = minDefined ? min : niceMin;\n niceMax = maxDefined ? max : niceMax;\n numSpaces = count - 1;\n spacing = (niceMax - niceMin) / numSpaces;\n } else {\n // Case 4\n numSpaces = (niceMax - niceMin) / spacing;\n\n // If very close to our rounded value, use it.\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 // The spacing will have changed in cases 1, 2, and 3 so the factor cannot be computed\n // until this point\n const decimalPlaces = Math.max(\n _decimalPlaces(spacing),\n _decimalPlaces(niceMin)\n );\n factor = Math.pow(10, isNullOrUndef(precision) ? decimalPlaces : precision);\n niceMin = Math.round(niceMin * factor) / factor;\n niceMax = Math.round(niceMax * factor) / factor;\n\n let j = 0;\n if (minDefined) {\n if (includeBounds && niceMin !== min) {\n ticks.push({value: min});\n\n if (niceMin < min) {\n j++; // Skip niceMin\n }\n // If the next nice tick is close to min, skip it\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 const tickValue = Math.round((niceMin + j * spacing) * factor) / factor;\n if (maxDefined && tickValue > max) {\n break;\n }\n ticks.push({value: tickValue});\n }\n\n if (maxDefined && includeBounds && niceMax !== max) {\n // If the previous tick is too close to max, replace it with max, else add max\n if (ticks.length && almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) {\n ticks[ticks.length - 1].value = max;\n } else {\n ticks.push({value: max});\n }\n } else if (!maxDefined || niceMax === max) {\n ticks.push({value: niceMax});\n }\n\n return ticks;\n}\n\nfunction relativeLabelSize(value, minSpacing, {horizontal, minRotation}) {\n const rad = toRadians(minRotation);\n const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001;\n const length = 0.75 * minSpacing * ('' + value).length;\n return Math.min(minSpacing / ratio, length);\n}\n\nexport default class LinearScaleBase extends Scale {\n\n constructor(cfg) {\n super(cfg);\n\n /** @type {number} */\n this.start = undefined;\n /** @type {number} */\n this.end = undefined;\n /** @type {number} */\n this._startValue = undefined;\n /** @type {number} */\n this._endValue = undefined;\n this._valueRange = 0;\n }\n\n parse(raw, index) { // eslint-disable-line no-unused-vars\n if (isNullOrUndef(raw)) {\n return null;\n }\n if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) {\n return null;\n }\n\n return +raw;\n }\n\n handleTickRangeOptions() {\n const {beginAtZero} = this.options;\n const {minDefined, maxDefined} = this.getUserBounds();\n let {min, max} = this;\n\n const setMin = v => (min = minDefined ? min : v);\n const setMax = v => (max = maxDefined ? max : v);\n\n if (beginAtZero) {\n const minSign = sign(min);\n const 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 let offset = max === 0 ? 1 : Math.abs(max * 0.05);\n\n setMax(max + offset);\n\n if (!beginAtZero) {\n setMin(min - offset);\n }\n }\n this.min = min;\n this.max = max;\n }\n\n getTickLimit() {\n const tickOpts = this.options.ticks;\n // eslint-disable-next-line prefer-const\n let {maxTicksLimit, stepSize} = tickOpts;\n let maxTicks;\n\n if (stepSize) {\n maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1;\n if (maxTicks > 1000) {\n console.warn(`scales.${this.id}.ticks.stepSize: ${stepSize} would result generating up to ${maxTicks} ticks. Limiting to 1000.`);\n maxTicks = 1000;\n }\n } else {\n maxTicks = this.computeTickLimit();\n maxTicksLimit = maxTicksLimit || 11;\n }\n\n if (maxTicksLimit) {\n maxTicks = Math.min(maxTicksLimit, maxTicks);\n }\n\n return maxTicks;\n }\n\n /**\n\t * @protected\n\t */\n computeTickLimit() {\n return Number.POSITIVE_INFINITY;\n }\n\n buildTicks() {\n const opts = this.options;\n const tickOpts = opts.ticks;\n\n // Figure out what the max number of ticks we can support it is based on the size of\n // the axis area. For now, we say that the minimum tick spacing in pixels must be 40\n // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n // the graph. Make sure we always have at least 2 ticks\n let maxTicks = this.getTickLimit();\n maxTicks = Math.max(2, maxTicks);\n\n const numericGeneratorOptions = {\n maxTicks,\n bounds: opts.bounds,\n min: opts.min,\n max: opts.max,\n precision: tickOpts.precision,\n step: tickOpts.stepSize,\n count: tickOpts.count,\n maxDigits: this._maxDigits(),\n horizontal: this.isHorizontal(),\n minRotation: tickOpts.minRotation || 0,\n includeBounds: tickOpts.includeBounds !== false\n };\n const dataRange = this._range || this;\n const ticks = generateTicks(numericGeneratorOptions, dataRange);\n\n // At this point, we need to update our max and min given the tick values,\n // since we probably have expanded the range of the scale\n if (opts.bounds === 'ticks') {\n _setMinAndMaxByKey(ticks, this, 'value');\n }\n\n if (opts.reverse) {\n ticks.reverse();\n\n this.start = this.max;\n this.end = this.min;\n } else {\n this.start = this.min;\n this.end = this.max;\n }\n\n return ticks;\n }\n\n /**\n\t * @protected\n\t */\n configure() {\n const ticks = this.ticks;\n let start = this.min;\n let end = this.max;\n\n super.configure();\n\n if (this.options.offset && ticks.length) {\n const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2;\n start -= offset;\n end += offset;\n }\n this._startValue = start;\n this._endValue = end;\n this._valueRange = end - start;\n }\n\n getLabelForValue(value) {\n return formatNumber(value, this.chart.options.locale, this.options.ticks.format);\n }\n}\n","import {isFinite} from '../helpers/helpers.core.js';\nimport LinearScaleBase from './scale.linearbase.js';\nimport Ticks from '../core/core.ticks.js';\nimport {toRadians} from '../helpers/index.js';\n\nexport default class LinearScale extends LinearScaleBase {\n\n static id = 'linear';\n\n /**\n * @type {any}\n */\n static defaults = {\n ticks: {\n callback: Ticks.formatters.numeric\n }\n };\n\n\n determineDataLimits() {\n const {min, max} = this.getMinMax(true);\n\n this.min = isFinite(min) ? min : 0;\n this.max = isFinite(max) ? max : 1;\n\n // Common base implementation to handle min, max, beginAtZero\n this.handleTickRangeOptions();\n }\n\n /**\n\t * Returns the maximum number of ticks based on the scale dimension\n\t * @protected\n \t */\n computeTickLimit() {\n const horizontal = this.isHorizontal();\n const length = horizontal ? this.width : this.height;\n const minRotation = toRadians(this.options.ticks.minRotation);\n const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001;\n const tickFont = this._resolveTickFontOptions(0);\n return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio));\n }\n\n // Utils\n getPixelForValue(value) {\n return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange);\n }\n\n getValueForPixel(pixel) {\n return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange;\n }\n}\n","import {finiteOrDefault, isFinite} from '../helpers/helpers.core.js';\nimport {formatNumber} from '../helpers/helpers.intl.js';\nimport {_setMinAndMaxByKey, log10} from '../helpers/helpers.math.js';\nimport Scale from '../core/core.scale.js';\nimport LinearScaleBase from './scale.linearbase.js';\nimport Ticks from '../core/core.ticks.js';\n\nconst log10Floor = v => Math.floor(log10(v));\nconst changeExponent = (v, m) => Math.pow(10, log10Floor(v) + m);\n\nfunction isMajor(tickVal) {\n const remain = tickVal / (Math.pow(10, log10Floor(tickVal)));\n return remain === 1;\n}\n\nfunction steps(min, max, rangeExp) {\n const rangeStep = Math.pow(10, rangeExp);\n const start = Math.floor(min / rangeStep);\n const end = Math.ceil(max / rangeStep);\n return end - start;\n}\n\nfunction startExp(min, max) {\n const range = max - min;\n let rangeExp = log10Floor(range);\n while (steps(min, max, rangeExp) > 10) {\n rangeExp++;\n }\n while (steps(min, max, rangeExp) < 10) {\n rangeExp--;\n }\n return Math.min(rangeExp, log10Floor(min));\n}\n\n\n/**\n * Generate a set of logarithmic ticks\n * @param generationOptions the options used to generate the ticks\n * @param dataRange the range of the data\n * @returns {object[]} array of tick objects\n */\nfunction generateTicks(generationOptions, {min, max}) {\n min = finiteOrDefault(generationOptions.min, min);\n const ticks = [];\n const minExp = log10Floor(min);\n let exp = startExp(min, max);\n let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1;\n const stepSize = Math.pow(10, exp);\n const base = minExp > exp ? Math.pow(10, minExp) : 0;\n const start = Math.round((min - base) * precision) / precision;\n const offset = Math.floor((min - base) / stepSize / 10) * stepSize * 10;\n let significand = Math.floor((start - offset) / Math.pow(10, exp));\n let value = finiteOrDefault(generationOptions.min, Math.round((base + offset + significand * Math.pow(10, exp)) * precision) / precision);\n while (value < max) {\n ticks.push({value, major: isMajor(value), significand});\n if (significand >= 10) {\n significand = significand < 15 ? 15 : 20;\n } else {\n significand++;\n }\n if (significand >= 20) {\n exp++;\n significand = 2;\n precision = exp >= 0 ? 1 : precision;\n }\n value = Math.round((base + offset + significand * Math.pow(10, exp)) * precision) / precision;\n }\n const lastTick = finiteOrDefault(generationOptions.max, value);\n ticks.push({value: lastTick, major: isMajor(lastTick), significand});\n\n return ticks;\n}\n\nexport default class LogarithmicScale extends Scale {\n\n static id = 'logarithmic';\n\n /**\n * @type {any}\n */\n static defaults = {\n ticks: {\n callback: Ticks.formatters.logarithmic,\n major: {\n enabled: true\n }\n }\n };\n\n\n constructor(cfg) {\n super(cfg);\n\n /** @type {number} */\n this.start = undefined;\n /** @type {number} */\n this.end = undefined;\n /** @type {number} */\n this._startValue = undefined;\n this._valueRange = 0;\n }\n\n parse(raw, index) {\n const value = LinearScaleBase.prototype.parse.apply(this, [raw, index]);\n if (value === 0) {\n this._zero = true;\n return undefined;\n }\n return isFinite(value) && value > 0 ? value : null;\n }\n\n determineDataLimits() {\n const {min, max} = this.getMinMax(true);\n\n this.min = isFinite(min) ? Math.max(0, min) : null;\n this.max = isFinite(max) ? Math.max(0, max) : null;\n\n if (this.options.beginAtZero) {\n this._zero = true;\n }\n\n // if data has `0` in it or `beginAtZero` is true, min (non zero) value is at bottom\n // of scale, and it does not equal suggestedMin, lower the min bound by one exp.\n if (this._zero && this.min !== this._suggestedMin && !isFinite(this._userMin)) {\n this.min = min === changeExponent(this.min, 0) ? changeExponent(this.min, -1) : changeExponent(this.min, 0);\n }\n\n this.handleTickRangeOptions();\n }\n\n handleTickRangeOptions() {\n const {minDefined, maxDefined} = this.getUserBounds();\n let min = this.min;\n let max = this.max;\n\n const setMin = v => (min = minDefined ? min : v);\n const setMax = v => (max = maxDefined ? max : v);\n\n if (min === max) {\n if (min <= 0) { // includes null\n setMin(1);\n setMax(10);\n } else {\n setMin(changeExponent(min, -1));\n setMax(changeExponent(max, +1));\n }\n }\n if (min <= 0) {\n setMin(changeExponent(max, -1));\n }\n if (max <= 0) {\n\n setMax(changeExponent(min, +1));\n }\n\n this.min = min;\n this.max = max;\n }\n\n buildTicks() {\n const opts = this.options;\n\n const generationOptions = {\n min: this._userMin,\n max: this._userMax\n };\n const ticks = generateTicks(generationOptions, this);\n\n // At this point, we need to update our max and min given the tick values,\n // since we probably have expanded the range of the scale\n if (opts.bounds === 'ticks') {\n _setMinAndMaxByKey(ticks, this, 'value');\n }\n\n if (opts.reverse) {\n ticks.reverse();\n\n this.start = this.max;\n this.end = this.min;\n } else {\n this.start = this.min;\n this.end = this.max;\n }\n\n return ticks;\n }\n\n /**\n\t * @param {number} value\n\t * @return {string}\n\t */\n getLabelForValue(value) {\n return value === undefined\n ? '0'\n : formatNumber(value, this.chart.options.locale, this.options.ticks.format);\n }\n\n /**\n\t * @protected\n\t */\n configure() {\n const start = this.min;\n\n super.configure();\n\n this._startValue = log10(start);\n this._valueRange = log10(this.max) - log10(start);\n }\n\n getPixelForValue(value) {\n if (value === undefined || value === 0) {\n value = this.min;\n }\n if (value === null || isNaN(value)) {\n return NaN;\n }\n return this.getPixelForDecimal(value === this.min\n ? 0\n : (log10(value) - this._startValue) / this._valueRange);\n }\n\n getValueForPixel(pixel) {\n const decimal = this.getDecimalForPixel(pixel);\n return Math.pow(10, this._startValue + decimal * this._valueRange);\n }\n}\n","import defaults from '../core/core.defaults.js';\nimport {_longestText, addRoundedRectPath, renderText, _isPointInArea} from '../helpers/helpers.canvas.js';\nimport {HALF_PI, TAU, toDegrees, toRadians, _normalizeAngle, PI} from '../helpers/helpers.math.js';\nimport LinearScaleBase from './scale.linearbase.js';\nimport Ticks from '../core/core.ticks.js';\nimport {valueOrDefault, isArray, isFinite, callback as callCallback, isNullOrUndef} from '../helpers/helpers.core.js';\nimport {createContext, toFont, toPadding, toTRBLCorners} from '../helpers/helpers.options.js';\n\nfunction getTickBackdropHeight(opts) {\n const tickOpts = opts.ticks;\n\n if (tickOpts.display && opts.display) {\n const padding = toPadding(tickOpts.backdropPadding);\n return valueOrDefault(tickOpts.font && tickOpts.font.size, defaults.font.size) + padding.height;\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\n/**\n * Helper function to fit a radial linear scale with point labels\n */\nfunction fitWithPointLabels(scale) {\n\n // Right, this is really confusing and there is a lot of maths going on here\n // The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9\n //\n // Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif\n //\n // Solution:\n //\n // We assume the radius of the polygon is half the size of the canvas at first\n // at each index we check if the text overlaps.\n //\n // Where it does, we store that angle and that index.\n //\n // After finding the largest index and angle we calculate how much we need to remove\n // from the shape radius to move the point inwards by that x.\n //\n // We average the left and right distances to get the maximum shape radius that can fit in the box\n // along with labels.\n //\n // Once we have that, we can find the centre point for the chart, by taking the x text protrusion\n // on each side, removing that from the size, halving it and adding the left x protrusion width.\n //\n // This will mean we have a shape fitted to the canvas, as large as it can be with the labels\n // and position it in the most space efficient manner\n //\n // https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif\n\n // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.\n // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points\n const orig = {\n l: scale.left + scale._padding.left,\n r: scale.right - scale._padding.right,\n t: scale.top + scale._padding.top,\n b: scale.bottom - scale._padding.bottom\n };\n const limits = Object.assign({}, orig);\n const labelSizes = [];\n const padding = [];\n const valueCount = scale._pointLabels.length;\n const pointLabelOpts = scale.options.pointLabels;\n const additionalAngle = pointLabelOpts.centerPointLabels ? PI / valueCount : 0;\n\n for (let i = 0; i < valueCount; i++) {\n const opts = pointLabelOpts.setContext(scale.getPointLabelContext(i));\n padding[i] = opts.padding;\n const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle);\n const plFont = toFont(opts.font);\n const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]);\n labelSizes[i] = textSize;\n\n const angleRadians = _normalizeAngle(scale.getIndexAngle(i) + additionalAngle);\n const angle = Math.round(toDegrees(angleRadians));\n const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);\n const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);\n updateLimits(limits, orig, angleRadians, hLimits, vLimits);\n }\n\n scale.setCenterPoint(\n orig.l - limits.l,\n limits.r - orig.r,\n orig.t - limits.t,\n limits.b - orig.b\n );\n\n // Now that text size is determined, compute the full positions\n scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding);\n}\n\nfunction updateLimits(limits, orig, angle, hLimits, vLimits) {\n const sin = Math.abs(Math.sin(angle));\n const cos = Math.abs(Math.cos(angle));\n let x = 0;\n let y = 0;\n if (hLimits.start < orig.l) {\n x = (orig.l - hLimits.start) / sin;\n limits.l = Math.min(limits.l, orig.l - x);\n } else if (hLimits.end > orig.r) {\n x = (hLimits.end - orig.r) / sin;\n limits.r = Math.max(limits.r, orig.r + x);\n }\n if (vLimits.start < orig.t) {\n y = (orig.t - vLimits.start) / cos;\n limits.t = Math.min(limits.t, orig.t - y);\n } else if (vLimits.end > orig.b) {\n y = (vLimits.end - orig.b) / cos;\n limits.b = Math.max(limits.b, orig.b + y);\n }\n}\n\nfunction createPointLabelItem(scale, index, itemOpts) {\n const outerDistance = scale.drawingArea;\n const {extra, additionalAngle, padding, size} = itemOpts;\n const pointLabelPosition = scale.getPointPosition(index, outerDistance + extra + padding, additionalAngle);\n const angle = Math.round(toDegrees(_normalizeAngle(pointLabelPosition.angle + HALF_PI)));\n const y = yForAngle(pointLabelPosition.y, size.h, angle);\n const textAlign = getTextAlignForAngle(angle);\n const left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign);\n return {\n // if to draw or overlapped\n visible: true,\n\n // Text position\n x: pointLabelPosition.x,\n y,\n\n // Text rendering data\n textAlign,\n\n // Bounding box\n left,\n top: y,\n right: left + size.w,\n bottom: y + size.h\n };\n}\n\nfunction isNotOverlapped(item, area) {\n if (!area) {\n return true;\n }\n const {left, top, right, bottom} = item;\n const apexesInArea = _isPointInArea({x: left, y: top}, area) || _isPointInArea({x: left, y: bottom}, area) ||\n _isPointInArea({x: right, y: top}, area) || _isPointInArea({x: right, y: bottom}, area);\n return !apexesInArea;\n}\n\nfunction buildPointLabelItems(scale, labelSizes, padding) {\n const items = [];\n const valueCount = scale._pointLabels.length;\n const opts = scale.options;\n const {centerPointLabels, display} = opts.pointLabels;\n const itemOpts = {\n extra: getTickBackdropHeight(opts) / 2,\n additionalAngle: centerPointLabels ? PI / valueCount : 0\n };\n let area;\n\n for (let i = 0; i < valueCount; i++) {\n itemOpts.padding = padding[i];\n itemOpts.size = labelSizes[i];\n\n const item = createPointLabelItem(scale, i, itemOpts);\n items.push(item);\n if (display === 'auto') {\n item.visible = isNotOverlapped(item, area);\n if (item.visible) {\n area = item;\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 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 return y;\n}\n\nfunction drawPointLabelBox(ctx, opts, item) {\n const {left, top, right, bottom} = item;\n const {backdropColor} = opts;\n\n if (!isNullOrUndef(backdropColor)) {\n const borderRadius = toTRBLCorners(opts.borderRadius);\n const padding = toPadding(opts.backdropPadding);\n ctx.fillStyle = backdropColor;\n\n const backdropLeft = left - padding.left;\n const backdropTop = top - padding.top;\n const backdropWidth = right - left + padding.width;\n const backdropHeight = bottom - top + padding.height;\n\n if (Object.values(borderRadius).some(v => v !== 0)) {\n ctx.beginPath();\n addRoundedRectPath(ctx, {\n x: backdropLeft,\n y: backdropTop,\n w: backdropWidth,\n h: backdropHeight,\n radius: borderRadius,\n });\n ctx.fill();\n } else {\n ctx.fillRect(backdropLeft, backdropTop, backdropWidth, backdropHeight);\n }\n }\n}\n\nfunction drawPointLabels(scale, labelCount) {\n const {ctx, options: {pointLabels}} = scale;\n\n for (let i = labelCount - 1; i >= 0; i--) {\n const item = scale._pointLabelItems[i];\n if (!item.visible) {\n // overlapping\n continue;\n }\n const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i));\n drawPointLabelBox(ctx, optsAtIndex, item);\n const plFont = toFont(optsAtIndex.font);\n const {x, y, textAlign} = item;\n\n renderText(\n ctx,\n scale._pointLabels[i],\n x,\n y + (plFont.lineHeight / 2),\n plFont,\n {\n color: optsAtIndex.color,\n textAlign: textAlign,\n textBaseline: 'middle'\n }\n );\n }\n}\n\nfunction pathRadiusLine(scale, radius, circular, labelCount) {\n const {ctx} = scale;\n if (circular) {\n // Draw circular arcs between the points\n ctx.arc(scale.xCenter, scale.yCenter, radius, 0, TAU);\n } else {\n // Draw straight lines connecting each index\n let pointPosition = scale.getPointPosition(0, radius);\n ctx.moveTo(pointPosition.x, pointPosition.y);\n\n for (let 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, borderOpts) {\n const ctx = scale.ctx;\n const circular = gridLineOpts.circular;\n\n const {color, lineWidth} = gridLineOpts;\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(borderOpts.dash || []);\n ctx.lineDashOffset = borderOpts.dashOffset;\n\n ctx.beginPath();\n pathRadiusLine(scale, radius, circular, labelCount);\n ctx.closePath();\n ctx.stroke();\n ctx.restore();\n}\n\nfunction createPointLabelContext(parent, index, label) {\n return createContext(parent, {\n label,\n index,\n type: 'pointLabel'\n });\n}\n\nexport default class RadialLinearScale extends LinearScaleBase {\n\n static id = 'radialLinear';\n\n /**\n * @type {any}\n */\n static defaults = {\n display: true,\n\n // Boolean - Whether to animate scaling the chart from the centre\n animate: true,\n position: 'chartArea',\n\n angleLines: {\n display: true,\n lineWidth: 1,\n borderDash: [],\n borderDashOffset: 0.0\n },\n\n grid: {\n circular: false\n },\n\n startAngle: 0,\n\n // label settings\n ticks: {\n // Boolean - Show a backdrop to the scale label\n showLabelBackdrop: true,\n\n callback: Ticks.formatters.numeric\n },\n\n pointLabels: {\n backdropColor: undefined,\n\n // Number - The backdrop padding above & below the label in pixels\n backdropPadding: 2,\n\n // Boolean - if true, show point labels\n display: true,\n\n // Number - Point label font size in pixels\n font: {\n size: 10\n },\n\n // Function - Used to convert point labels\n callback(label) {\n return label;\n },\n\n // Number - Additionl padding between scale and pointLabel\n padding: 5,\n\n // Boolean - if true, center point labels to slices in polar chart\n centerPointLabels: false\n }\n };\n\n static defaultRoutes = {\n 'angleLines.color': 'borderColor',\n 'pointLabels.color': 'color',\n 'ticks.color': 'color'\n };\n\n static descriptors = {\n angleLines: {\n _fallback: 'grid'\n }\n };\n\n constructor(cfg) {\n super(cfg);\n\n /** @type {number} */\n this.xCenter = undefined;\n /** @type {number} */\n this.yCenter = undefined;\n /** @type {number} */\n this.drawingArea = undefined;\n /** @type {string[]} */\n this._pointLabels = [];\n this._pointLabelItems = [];\n }\n\n setDimensions() {\n // Set the unconstrained dimension before label rotation\n const padding = this._padding = toPadding(getTickBackdropHeight(this.options) / 2);\n const w = this.width = this.maxWidth - padding.width;\n const h = this.height = this.maxHeight - padding.height;\n this.xCenter = Math.floor(this.left + w / 2 + padding.left);\n this.yCenter = Math.floor(this.top + h / 2 + padding.top);\n this.drawingArea = Math.floor(Math.min(w, h) / 2);\n }\n\n determineDataLimits() {\n const {min, max} = this.getMinMax(false);\n\n this.min = isFinite(min) && !isNaN(min) ? min : 0;\n this.max = isFinite(max) && !isNaN(max) ? max : 0;\n\n // Common base implementation to handle min, max, beginAtZero\n this.handleTickRangeOptions();\n }\n\n /**\n\t * Returns the maximum number of ticks based on the scale dimension\n\t * @protected\n\t */\n computeTickLimit() {\n return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options));\n }\n\n generateTickLabels(ticks) {\n LinearScaleBase.prototype.generateTickLabels.call(this, ticks);\n\n // Point labels\n this._pointLabels = this.getLabels()\n .map((value, index) => {\n const label = callCallback(this.options.pointLabels.callback, [value, index], this);\n return label || label === 0 ? label : '';\n })\n .filter((v, i) => this.chart.getDataVisibility(i));\n }\n\n fit() {\n const opts = this.options;\n\n if (opts.display && opts.pointLabels.display) {\n fitWithPointLabels(this);\n } else {\n this.setCenterPoint(0, 0, 0, 0);\n }\n }\n\n setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) {\n this.xCenter += Math.floor((leftMovement - rightMovement) / 2);\n this.yCenter += Math.floor((topMovement - bottomMovement) / 2);\n this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement));\n }\n\n getIndexAngle(index) {\n const angleMultiplier = TAU / (this._pointLabels.length || 1);\n const startAngle = this.options.startAngle || 0;\n\n return _normalizeAngle(index * angleMultiplier + toRadians(startAngle));\n }\n\n getDistanceFromCenterForValue(value) {\n if (isNullOrUndef(value)) {\n return NaN;\n }\n\n // Take into account half font size + the yPadding of the top value\n const scalingFactor = this.drawingArea / (this.max - this.min);\n if (this.options.reverse) {\n return (this.max - value) * scalingFactor;\n }\n return (value - this.min) * scalingFactor;\n }\n\n getValueForDistanceFromCenter(distance) {\n if (isNullOrUndef(distance)) {\n return NaN;\n }\n\n const scaledDistance = distance / (this.drawingArea / (this.max - this.min));\n return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance;\n }\n\n getPointLabelContext(index) {\n const pointLabels = this._pointLabels || [];\n\n if (index >= 0 && index < pointLabels.length) {\n const pointLabel = pointLabels[index];\n return createPointLabelContext(this.getContext(), index, pointLabel);\n }\n }\n\n getPointPosition(index, distanceFromCenter, additionalAngle = 0) {\n const angle = this.getIndexAngle(index) - HALF_PI + additionalAngle;\n return {\n x: Math.cos(angle) * distanceFromCenter + this.xCenter,\n y: Math.sin(angle) * distanceFromCenter + this.yCenter,\n angle\n };\n }\n\n getPointPositionForValue(index, value) {\n return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));\n }\n\n getBasePosition(index) {\n return this.getPointPositionForValue(index || 0, this.getBaseValue());\n }\n\n getPointLabelPosition(index) {\n const {left, top, right, bottom} = this._pointLabelItems[index];\n return {\n left,\n top,\n right,\n bottom,\n };\n }\n\n /**\n\t * @protected\n\t */\n drawBackground() {\n const {backgroundColor, grid: {circular}} = this.options;\n if (backgroundColor) {\n const ctx = this.ctx;\n ctx.save();\n ctx.beginPath();\n pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length);\n ctx.closePath();\n ctx.fillStyle = backgroundColor;\n ctx.fill();\n ctx.restore();\n }\n }\n\n /**\n\t * @protected\n\t */\n drawGrid() {\n const ctx = this.ctx;\n const opts = this.options;\n const {angleLines, grid, border} = opts;\n const labelCount = this._pointLabels.length;\n\n let i, offset, position;\n\n if (opts.pointLabels.display) {\n drawPointLabels(this, labelCount);\n }\n\n if (grid.display) {\n this.ticks.forEach((tick, index) => {\n if (index !== 0 || (index === 0 && this.min < 0)) {\n offset = this.getDistanceFromCenterForValue(tick.value);\n const context = this.getContext(index);\n const optsAtIndex = grid.setContext(context);\n const optsAtIndexBorder = border.setContext(context);\n\n drawRadiusLine(this, optsAtIndex, offset, labelCount, optsAtIndexBorder);\n }\n });\n }\n\n if (angleLines.display) {\n ctx.save();\n\n for (i = labelCount - 1; i >= 0; i--) {\n const optsAtIndex = angleLines.setContext(this.getPointLabelContext(i));\n const {color, lineWidth} = optsAtIndex;\n\n if (!lineWidth || !color) {\n continue;\n }\n\n ctx.lineWidth = lineWidth;\n ctx.strokeStyle = color;\n\n ctx.setLineDash(optsAtIndex.borderDash);\n ctx.lineDashOffset = optsAtIndex.borderDashOffset;\n\n offset = this.getDistanceFromCenterForValue(opts.reverse ? this.min : this.max);\n position = this.getPointPosition(i, offset);\n ctx.beginPath();\n ctx.moveTo(this.xCenter, this.yCenter);\n ctx.lineTo(position.x, position.y);\n ctx.stroke();\n }\n\n ctx.restore();\n }\n }\n\n /**\n\t * @protected\n\t */\n drawBorder() {}\n\n /**\n\t * @protected\n\t */\n drawLabels() {\n const ctx = this.ctx;\n const opts = this.options;\n const tickOpts = opts.ticks;\n\n if (!tickOpts.display) {\n return;\n }\n\n const startAngle = this.getIndexAngle(0);\n let offset, width;\n\n ctx.save();\n ctx.translate(this.xCenter, this.yCenter);\n ctx.rotate(startAngle);\n ctx.textAlign = 'center';\n ctx.textBaseline = 'middle';\n\n this.ticks.forEach((tick, index) => {\n if ((index === 0 && this.min >= 0) && !opts.reverse) {\n return;\n }\n\n const optsAtIndex = tickOpts.setContext(this.getContext(index));\n const tickFont = toFont(optsAtIndex.font);\n offset = this.getDistanceFromCenterForValue(this.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\n const padding = toPadding(optsAtIndex.backdropPadding);\n ctx.fillRect(\n -width / 2 - padding.left,\n -offset - tickFont.size / 2 - padding.top,\n width + padding.width,\n tickFont.size + padding.height\n );\n }\n\n renderText(ctx, tick.label, 0, -offset, tickFont, {\n color: optsAtIndex.color,\n strokeColor: optsAtIndex.textStrokeColor,\n strokeWidth: optsAtIndex.textStrokeWidth,\n });\n });\n\n ctx.restore();\n }\n\n /**\n\t * @protected\n\t */\n drawTitle() {}\n}\n","import adapters from '../core/core.adapters.js';\nimport {callback as call, isFinite, isNullOrUndef, mergeIf, valueOrDefault} from '../helpers/helpers.core.js';\nimport {toRadians, isNumber, _limitValue} from '../helpers/helpers.math.js';\nimport Scale from '../core/core.scale.js';\nimport {_arrayUnique, _filterBetween, _lookup} from '../helpers/helpers.collection.js';\n\n/**\n * @typedef { import('../core/core.adapters.js').TimeUnit } Unit\n * @typedef {{common: boolean, size: number, steps?: number}} Interval\n * @typedef { import('../core/core.adapters.js').DateAdapter } DateAdapter\n */\n\n/**\n * @type {Object}\n */\nconst INTERVALS = {\n millisecond: {common: true, size: 1, steps: 1000},\n second: {common: true, size: 1000, steps: 60},\n minute: {common: true, size: 60000, steps: 60},\n hour: {common: true, size: 3600000, steps: 24},\n day: {common: true, size: 86400000, steps: 30},\n week: {common: false, size: 604800000, steps: 4},\n month: {common: true, size: 2.628e9, steps: 12},\n quarter: {common: false, size: 7.884e9, steps: 4},\n year: {common: true, size: 3.154e10}\n};\n\n/**\n * @type {Unit[]}\n */\nconst UNITS = /** @type Unit[] */ /* #__PURE__ */ (Object.keys(INTERVALS));\n\n/**\n * @param {number} a\n * @param {number} b\n */\nfunction sorter(a, b) {\n return a - b;\n}\n\n/**\n * @param {TimeScale} scale\n * @param {*} input\n * @return {number}\n */\nfunction parse(scale, input) {\n if (isNullOrUndef(input)) {\n return null;\n }\n\n const adapter = scale._adapter;\n const {parser, round, isoWeekday} = scale._parseOpts;\n let value = input;\n\n if (typeof parser === 'function') {\n value = parser(value);\n }\n\n // Only parse if it's not a timestamp already\n if (!isFinite(value)) {\n value = typeof parser === 'string'\n ? adapter.parse(value, /** @type {Unit} */ (parser))\n : 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)\n ? adapter.startOf(value, 'isoWeek', isoWeekday)\n : adapter.startOf(value, round);\n }\n\n return +value;\n}\n\n/**\n * Figures out what unit results in an appropriate number of auto-generated ticks\n * @param {Unit} minUnit\n * @param {number} min\n * @param {number} max\n * @param {number} capacity\n * @return {object}\n */\nfunction determineUnitForAutoTicks(minUnit, min, max, capacity) {\n const ilen = UNITS.length;\n\n for (let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {\n const interval = INTERVALS[UNITS[i]];\n const 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\n/**\n * Figures out what unit to format a set of ticks with\n * @param {TimeScale} scale\n * @param {number} numTicks\n * @param {Unit} minUnit\n * @param {number} min\n * @param {number} max\n * @return {Unit}\n */\nfunction determineUnitForFormatting(scale, numTicks, minUnit, min, max) {\n for (let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--) {\n const unit = UNITS[i];\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\n/**\n * @param {Unit} unit\n * @return {object}\n */\nfunction determineMajorUnit(unit) {\n for (let 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\n/**\n * @param {object} ticks\n * @param {number} time\n * @param {number[]} [timestamps] - if defined, snap to these timestamps\n */\nfunction addTick(ticks, time, timestamps) {\n if (!timestamps) {\n ticks[time] = true;\n } else if (timestamps.length) {\n const {lo, hi} = _lookup(timestamps, time);\n const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi];\n ticks[timestamp] = true;\n }\n}\n\n/**\n * @param {TimeScale} scale\n * @param {object[]} ticks\n * @param {object} map\n * @param {Unit} majorUnit\n * @return {object[]}\n */\nfunction setMajorTicks(scale, ticks, map, majorUnit) {\n const adapter = scale._adapter;\n const first = +adapter.startOf(ticks[0].value, majorUnit);\n const last = ticks[ticks.length - 1].value;\n let major, index;\n\n for (major = first; major <= last; major = +adapter.add(major, 1, majorUnit)) {\n index = map[major];\n if (index >= 0) {\n ticks[index].major = true;\n }\n }\n return ticks;\n}\n\n/**\n * @param {TimeScale} scale\n * @param {number[]} values\n * @param {Unit|undefined} [majorUnit]\n * @return {object[]}\n */\nfunction ticksFromTimestamps(scale, values, majorUnit) {\n const ticks = [];\n /** @type {Object} */\n const map = {};\n const ilen = values.length;\n let i, value;\n\n for (i = 0; i < ilen; ++i) {\n value = values[i];\n map[value] = i;\n\n ticks.push({\n value,\n major: false\n });\n }\n\n // We set the major ticks separately from the above loop because calling startOf for every tick\n // is expensive when there is a large number of ticks\n return (ilen === 0 || !majorUnit) ? ticks : setMajorTicks(scale, ticks, map, majorUnit);\n}\n\nexport default class TimeScale extends Scale {\n\n static id = 'time';\n\n /**\n * @type {any}\n */\n static defaults = {\n /**\n * Scale boundary strategy (bypassed by min/max time options)\n * - `data`: make sure data are fully visible, ticks outside are removed\n * - `ticks`: make sure ticks are fully visible, data outside are truncated\n * @see https://github.com/chartjs/Chart.js/pull/4556\n * @since 2.7.0\n */\n bounds: 'data',\n\n adapters: {},\n time: {\n parser: false, // false == a pattern string from or a custom callback that converts its argument to a timestamp\n unit: false, // false == automatic or override with week, month, year, etc.\n round: false, // none, or override with week, month, year, etc.\n isoWeekday: false, // override week start day\n minUnit: 'millisecond',\n displayFormats: {}\n },\n ticks: {\n /**\n * Ticks generation input values:\n * - 'auto': generates \"optimal\" ticks based on scale size and time options.\n * - 'data': generates ticks from data (including labels from data {t|x|y} objects).\n * - 'labels': generates ticks from user given `data.labels` values ONLY.\n * @see https://github.com/chartjs/Chart.js/pull/4507\n * @since 2.7.0\n */\n source: 'auto',\n\n callback: false,\n\n major: {\n enabled: false\n }\n }\n };\n\n /**\n\t * @param {object} props\n\t */\n constructor(props) {\n super(props);\n\n /** @type {{data: number[], labels: number[], all: number[]}} */\n this._cache = {\n data: [],\n labels: [],\n all: []\n };\n\n /** @type {Unit} */\n this._unit = 'day';\n /** @type {Unit=} */\n this._majorUnit = undefined;\n this._offsets = {};\n this._normalized = false;\n this._parseOpts = undefined;\n }\n\n init(scaleOpts, opts = {}) {\n const time = scaleOpts.time || (scaleOpts.time = {});\n /** @type {DateAdapter} */\n const adapter = this._adapter = new adapters._date(scaleOpts.adapters.date);\n\n adapter.init(opts);\n\n // Backward compatibility: before introducing adapter, `displayFormats` was\n // supposed to contain *all* unit/string pairs but this can't be resolved\n // when loading the scale (adapters are loaded afterward), so let's populate\n // missing formats on update\n mergeIf(time.displayFormats, adapter.formats());\n\n this._parseOpts = {\n parser: time.parser,\n round: time.round,\n isoWeekday: time.isoWeekday\n };\n\n super.init(scaleOpts);\n\n this._normalized = opts.normalized;\n }\n\n /**\n\t * @param {*} raw\n\t * @param {number?} [index]\n\t * @return {number}\n\t */\n parse(raw, index) { // eslint-disable-line no-unused-vars\n if (raw === undefined) {\n return null;\n }\n return parse(this, raw);\n }\n\n beforeLayout() {\n super.beforeLayout();\n this._cache = {\n data: [],\n labels: [],\n all: []\n };\n }\n\n determineDataLimits() {\n const options = this.options;\n const adapter = this._adapter;\n const unit = options.time.unit || 'day';\n // eslint-disable-next-line prefer-const\n let {min, max, minDefined, maxDefined} = this.getUserBounds();\n\n /**\n\t\t * @param {object} bounds\n\t\t */\n function _applyBounds(bounds) {\n if (!minDefined && !isNaN(bounds.min)) {\n min = Math.min(min, bounds.min);\n }\n if (!maxDefined && !isNaN(bounds.max)) {\n max = Math.max(max, bounds.max);\n }\n }\n\n // If we have user provided `min` and `max` labels / data bounds can be ignored\n if (!minDefined || !maxDefined) {\n // Labels are always considered, when user did not force bounds\n _applyBounds(this._getLabelBounds());\n\n // If `bounds` is `'ticks'` and `ticks.source` is `'labels'`,\n // data bounds are ignored (and don't need to be determined)\n if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') {\n _applyBounds(this.getMinMax(false));\n }\n }\n\n min = isFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit);\n max = isFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1;\n\n // Make sure that max is strictly higher than min (required by the timeseries lookup table)\n this.min = Math.min(min, max - 1);\n this.max = Math.max(min + 1, max);\n }\n\n /**\n\t * @private\n\t */\n _getLabelBounds() {\n const arr = this.getLabelTimestamps();\n let min = Number.POSITIVE_INFINITY;\n let max = Number.NEGATIVE_INFINITY;\n\n if (arr.length) {\n min = arr[0];\n max = arr[arr.length - 1];\n }\n return {min, max};\n }\n\n /**\n\t * @return {object[]}\n\t */\n buildTicks() {\n const options = this.options;\n const timeOpts = options.time;\n const tickOpts = options.ticks;\n const timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate();\n\n if (options.bounds === 'ticks' && timestamps.length) {\n this.min = this._userMin || timestamps[0];\n this.max = this._userMax || timestamps[timestamps.length - 1];\n }\n\n const min = this.min;\n const max = this.max;\n\n const ticks = _filterBetween(timestamps, min, max);\n\n // PRIVATE\n // determineUnitForFormatting relies on the number of ticks so we don't use it when\n // autoSkip is enabled because we don't yet know what the final number of ticks will be\n this._unit = timeOpts.unit || (tickOpts.autoSkip\n ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min))\n : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max));\n this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined\n : determineMajorUnit(this._unit);\n this.initOffsets(timestamps);\n\n if (options.reverse) {\n ticks.reverse();\n }\n\n return ticksFromTimestamps(this, ticks, this._majorUnit);\n }\n\n afterAutoSkip() {\n // Offsets for bar charts need to be handled with the auto skipped\n // ticks. Once ticks have been skipped, we re-compute the offsets.\n if (this.options.offsetAfterAutoskip) {\n this.initOffsets(this.ticks.map(tick => +tick.value));\n }\n }\n\n /**\n\t * Returns the start and end offsets from edges in the form of {start, end}\n\t * where each value is a relative width to the scale and ranges between 0 and 1.\n\t * They add extra margins on the both sides by scaling down the original scale.\n\t * Offsets are added when the `offset` option is true.\n\t * @param {number[]} timestamps\n\t * @protected\n\t */\n initOffsets(timestamps = []) {\n let start = 0;\n let end = 0;\n let first, last;\n\n if (this.options.offset && timestamps.length) {\n first = this.getDecimalForValue(timestamps[0]);\n if (timestamps.length === 1) {\n start = 1 - first;\n } else {\n start = (this.getDecimalForValue(timestamps[1]) - first) / 2;\n }\n last = this.getDecimalForValue(timestamps[timestamps.length - 1]);\n if (timestamps.length === 1) {\n end = last;\n } else {\n end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2;\n }\n }\n const limit = timestamps.length < 3 ? 0.5 : 0.25;\n start = _limitValue(start, 0, limit);\n end = _limitValue(end, 0, limit);\n\n this._offsets = {start, end, factor: 1 / (start + 1 + end)};\n }\n\n /**\n\t * Generates a maximum of `capacity` timestamps between min and max, rounded to the\n\t * `minor` unit using the given scale time `options`.\n\t * Important: this method can return ticks outside the min and max range, it's the\n\t * responsibility of the calling code to clamp values if needed.\n\t * @protected\n\t */\n _generate() {\n const adapter = this._adapter;\n const min = this.min;\n const max = this.max;\n const options = this.options;\n const timeOpts = options.time;\n // @ts-ignore\n const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min));\n const stepSize = valueOrDefault(options.ticks.stepSize, 1);\n const weekday = minor === 'week' ? timeOpts.isoWeekday : false;\n const hasWeekday = isNumber(weekday) || weekday === true;\n const ticks = {};\n let first = min;\n let time, count;\n\n // For 'week' unit, handle the first day of week option\n if (hasWeekday) {\n first = +adapter.startOf(first, 'isoWeek', weekday);\n }\n\n // Align first ticks on unit\n first = +adapter.startOf(first, hasWeekday ? 'day' : minor);\n\n // Prevent browser from freezing in case user options request millions of milliseconds\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 const timestamps = options.ticks.source === 'data' && this.getDataTimestamps();\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 // @ts-ignore\n return Object.keys(ticks).sort(sorter).map(x => +x);\n }\n\n /**\n\t * @param {number} value\n\t * @return {string}\n\t */\n getLabelForValue(value) {\n const adapter = this._adapter;\n const timeOpts = this.options.time;\n\n if (timeOpts.tooltipFormat) {\n return adapter.format(value, timeOpts.tooltipFormat);\n }\n return adapter.format(value, timeOpts.displayFormats.datetime);\n }\n\n /**\n\t * @param {number} value\n\t * @param {string|undefined} format\n\t * @return {string}\n\t */\n format(value, format) {\n const options = this.options;\n const formats = options.time.displayFormats;\n const unit = this._unit;\n const fmt = format || formats[unit];\n return this._adapter.format(value, fmt);\n }\n\n /**\n\t * Function to format an individual tick mark\n\t * @param {number} time\n\t * @param {number} index\n\t * @param {object[]} ticks\n\t * @param {string|undefined} [format]\n\t * @return {string}\n\t * @private\n\t */\n _tickFormatFunction(time, index, ticks, format) {\n const options = this.options;\n const formatter = options.ticks.callback;\n\n if (formatter) {\n return call(formatter, [time, index, ticks], this);\n }\n\n const formats = options.time.displayFormats;\n const unit = this._unit;\n const majorUnit = this._majorUnit;\n const minorFormat = unit && formats[unit];\n const majorFormat = majorUnit && formats[majorUnit];\n const tick = ticks[index];\n const major = majorUnit && majorFormat && tick && tick.major;\n\n return this._adapter.format(time, format || (major ? majorFormat : minorFormat));\n }\n\n /**\n\t * @param {object[]} ticks\n\t */\n generateTickLabels(ticks) {\n let 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 /**\n\t * @param {number} value - Milliseconds since epoch (1 January 1970 00:00:00 UTC)\n\t * @return {number}\n\t */\n getDecimalForValue(value) {\n return value === null ? NaN : (value - this.min) / (this.max - this.min);\n }\n\n /**\n\t * @param {number} value - Milliseconds since epoch (1 January 1970 00:00:00 UTC)\n\t * @return {number}\n\t */\n getPixelForValue(value) {\n const offsets = this._offsets;\n const pos = this.getDecimalForValue(value);\n return this.getPixelForDecimal((offsets.start + pos) * offsets.factor);\n }\n\n /**\n\t * @param {number} pixel\n\t * @return {number}\n\t */\n getValueForPixel(pixel) {\n const offsets = this._offsets;\n const pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end;\n return this.min + pos * (this.max - this.min);\n }\n\n /**\n\t * @param {string} label\n\t * @return {{w:number, h:number}}\n\t * @private\n\t */\n _getLabelSize(label) {\n const ticksOpts = this.options.ticks;\n const tickLabelWidth = this.ctx.measureText(label).width;\n const angle = toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation);\n const cosRotation = Math.cos(angle);\n const sinRotation = Math.sin(angle);\n const tickFontSize = this._resolveTickFontOptions(0).size;\n\n return {\n w: (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation),\n h: (tickLabelWidth * sinRotation) + (tickFontSize * cosRotation)\n };\n }\n\n /**\n\t * @param {number} exampleTime\n\t * @return {number}\n\t * @private\n\t */\n _getLabelCapacity(exampleTime) {\n const timeOpts = this.options.time;\n const displayFormats = timeOpts.displayFormats;\n\n // pick the longest format (milliseconds) for guesstimation\n const format = displayFormats[timeOpts.unit] || displayFormats.millisecond;\n const exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [exampleTime], this._majorUnit), format);\n const size = this._getLabelSize(exampleLabel);\n // subtract 1 - if offset then there's one less label than tick\n // if not offset then one half label padding is added to each end leaving room for one less label\n const capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1;\n return capacity > 0 ? capacity : 1;\n }\n\n /**\n\t * @protected\n\t */\n getDataTimestamps() {\n let timestamps = this._cache.data || [];\n let i, ilen;\n\n if (timestamps.length) {\n return timestamps;\n }\n\n const metas = this.getMatchingVisibleMetas();\n\n if (this._normalized && metas.length) {\n return (this._cache.data = metas[0].controller.getAllParsedValues(this));\n }\n\n for (i = 0, ilen = metas.length; i < ilen; ++i) {\n timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this));\n }\n\n return (this._cache.data = this.normalize(timestamps));\n }\n\n /**\n\t * @protected\n\t */\n getLabelTimestamps() {\n const timestamps = this._cache.labels || [];\n let i, ilen;\n\n if (timestamps.length) {\n return timestamps;\n }\n\n const labels = this.getLabels();\n for (i = 0, ilen = labels.length; i < ilen; ++i) {\n timestamps.push(parse(this, labels[i]));\n }\n\n return (this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps));\n }\n\n /**\n\t * @param {number[]} values\n\t * @protected\n\t */\n normalize(values) {\n // It seems to be somewhat faster to do sorting first\n return _arrayUnique(values.sort(sorter));\n }\n}\n","import TimeScale from './scale.time.js';\nimport {_lookupByKey} from '../helpers/helpers.collection.js';\n\n/**\n * Linearly interpolates the given source `val` using the table. If value is out of bounds, values\n * at edges are used for the interpolation.\n * @param {object} table\n * @param {number} val\n * @param {boolean} [reverse] lookup time based on position instead of vice versa\n * @return {object}\n */\nfunction interpolate(table, val, reverse) {\n let lo = 0;\n let hi = table.length - 1;\n let prevSource, nextSource, prevTarget, nextTarget;\n if (reverse) {\n if (val >= table[lo].pos && val <= table[hi].pos) {\n ({lo, hi} = _lookupByKey(table, 'pos', val));\n }\n ({pos: prevSource, time: prevTarget} = table[lo]);\n ({pos: nextSource, time: nextTarget} = table[hi]);\n } else {\n if (val >= table[lo].time && val <= table[hi].time) {\n ({lo, hi} = _lookupByKey(table, 'time', val));\n }\n ({time: prevSource, pos: prevTarget} = table[lo]);\n ({time: nextSource, pos: nextTarget} = table[hi]);\n }\n\n const span = nextSource - prevSource;\n return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget;\n}\n\nclass TimeSeriesScale extends TimeScale {\n\n static id = 'timeseries';\n\n /**\n * @type {any}\n */\n static defaults = TimeScale.defaults;\n\n /**\n\t * @param {object} props\n\t */\n constructor(props) {\n super(props);\n\n /** @type {object[]} */\n this._table = [];\n /** @type {number} */\n this._minPos = undefined;\n /** @type {number} */\n this._tableRange = undefined;\n }\n\n /**\n\t * @protected\n\t */\n initOffsets() {\n const timestamps = this._getTimestampsForTable();\n const table = this._table = this.buildLookupTable(timestamps);\n this._minPos = interpolate(table, this.min);\n this._tableRange = interpolate(table, this.max) - this._minPos;\n super.initOffsets(timestamps);\n }\n\n /**\n\t * Returns an array of {time, pos} objects used to interpolate a specific `time` or position\n\t * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is\n\t * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other\n\t * extremity (left + width or top + height). Note that it would be more optimized to directly\n\t * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need\n\t * to create the lookup table. The table ALWAYS contains at least two items: min and max.\n\t * @param {number[]} timestamps\n\t * @return {object[]}\n\t * @protected\n\t */\n buildLookupTable(timestamps) {\n const {min, max} = this;\n const items = [];\n const table = [];\n let i, ilen, prev, curr, next;\n\n for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n curr = timestamps[i];\n if (curr >= min && curr <= max) {\n items.push(curr);\n }\n }\n\n if (items.length < 2) {\n // In case there is less that 2 timestamps between min and max, the scale is defined by min and max\n return [\n {time: min, pos: 0},\n {time: max, 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 // only add points that breaks the scale linearity\n if (Math.round((next + prev) / 2) !== curr) {\n table.push({time: curr, pos: i / (ilen - 1)});\n }\n }\n return table;\n }\n\n /**\n * Generates all timestamps defined in the data.\n * Important: this method can return ticks outside the min and max range, it's the\n * responsibility of the calling code to clamp values if needed.\n * @protected\n */\n _generate() {\n const min = this.min;\n const max = this.max;\n let timestamps = super.getDataTimestamps();\n if (!timestamps.includes(min) || !timestamps.length) {\n timestamps.splice(0, 0, min);\n }\n if (!timestamps.includes(max) || timestamps.length === 1) {\n timestamps.push(max);\n }\n return timestamps.sort((a, b) => a - b);\n }\n\n /**\n\t * Returns all timestamps\n\t * @return {number[]}\n\t * @private\n\t */\n _getTimestampsForTable() {\n let timestamps = this._cache.all || [];\n\n if (timestamps.length) {\n return timestamps;\n }\n\n const data = this.getDataTimestamps();\n const label = this.getLabelTimestamps();\n if (data.length && label.length) {\n // If combining labels and data (data might not contain all labels),\n // we need to recheck uniqueness and sort\n timestamps = this.normalize(data.concat(label));\n } else {\n timestamps = data.length ? data : label;\n }\n timestamps = this._cache.all = timestamps;\n\n return timestamps;\n }\n\n /**\n\t * @param {number} value - Milliseconds since epoch (1 January 1970 00:00:00 UTC)\n\t * @return {number}\n\t */\n getDecimalForValue(value) {\n return (interpolate(this._table, value) - this._minPos) / this._tableRange;\n }\n\n /**\n\t * @param {number} pixel\n\t * @return {number}\n\t */\n getValueForPixel(pixel) {\n const offsets = this._offsets;\n const decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end;\n return interpolate(this._table, decimal * this._tableRange + this._minPos, true);\n }\n}\n\nexport default TimeSeriesScale;\n","export * from './controllers/index.js';\nexport * from './core/index.js';\nexport * from './elements/index.js';\nexport * from './platform/index.js';\nexport * from './plugins/index.js';\nexport * from './scales/index.js';\n\nimport * as controllers from './controllers/index.js';\nimport * as elements from './elements/index.js';\nimport * as plugins from './plugins/index.js';\nimport * as scales from './scales/index.js';\n\nexport {\n controllers,\n elements,\n plugins,\n scales,\n};\n\nexport const registerables = [\n controllers,\n elements,\n plugins,\n scales,\n];\n","import {Chart, registerables} from '../dist/chart.js';\n\nChart.register(...registerables);\n\nexport * from '../dist/chart.js';\nexport default Chart;\n","/**\n * @module constants\n * @summary Useful constants\n * @description\n * Collection of useful date constants.\n *\n * The constants could be imported from `date-fns/constants`:\n *\n * ```ts\n * import { maxTime, minTime } from \"./constants/date-fns/constants\";\n *\n * function isAllowedTime(time) {\n * return time <= maxTime && time >= minTime;\n * }\n * ```\n */\n\n/**\n * @constant\n * @name daysInWeek\n * @summary Days in 1 week.\n */\nexport const daysInWeek = 7;\n\n/**\n * @constant\n * @name daysInYear\n * @summary Days in 1 year.\n *\n * @description\n * How many days in a year.\n *\n * One years equals 365.2425 days according to the formula:\n *\n * > Leap year occurs every 4 years, except for years that are divisible by 100 and not divisible by 400.\n * > 1 mean year = (365+1/4-1/100+1/400) days = 365.2425 days\n */\nexport const daysInYear = 365.2425;\n\n/**\n * @constant\n * @name maxTime\n * @summary Maximum allowed time.\n *\n * @example\n * import { maxTime } from \"./constants/date-fns/constants\";\n *\n * const isValid = 8640000000000001 <= maxTime;\n * //=> false\n *\n * new Date(8640000000000001);\n * //=> Invalid Date\n */\nexport const maxTime = Math.pow(10, 8) * 24 * 60 * 60 * 1000;\n\n/**\n * @constant\n * @name minTime\n * @summary Minimum allowed time.\n *\n * @example\n * import { minTime } from \"./constants/date-fns/constants\";\n *\n * const isValid = -8640000000000001 >= minTime;\n * //=> false\n *\n * new Date(-8640000000000001)\n * //=> Invalid Date\n */\nexport const minTime = -maxTime;\n\n/**\n * @constant\n * @name millisecondsInWeek\n * @summary Milliseconds in 1 week.\n */\nexport const millisecondsInWeek = 604800000;\n\n/**\n * @constant\n * @name millisecondsInDay\n * @summary Milliseconds in 1 day.\n */\nexport const millisecondsInDay = 86400000;\n\n/**\n * @constant\n * @name millisecondsInMinute\n * @summary Milliseconds in 1 minute\n */\nexport const millisecondsInMinute = 60000;\n\n/**\n * @constant\n * @name millisecondsInHour\n * @summary Milliseconds in 1 hour\n */\nexport const millisecondsInHour = 3600000;\n\n/**\n * @constant\n * @name millisecondsInSecond\n * @summary Milliseconds in 1 second\n */\nexport const millisecondsInSecond = 1000;\n\n/**\n * @constant\n * @name minutesInYear\n * @summary Minutes in 1 year.\n */\nexport const minutesInYear = 525600;\n\n/**\n * @constant\n * @name minutesInMonth\n * @summary Minutes in 1 month.\n */\nexport const minutesInMonth = 43200;\n\n/**\n * @constant\n * @name minutesInDay\n * @summary Minutes in 1 day.\n */\nexport const minutesInDay = 1440;\n\n/**\n * @constant\n * @name minutesInHour\n * @summary Minutes in 1 hour.\n */\nexport const minutesInHour = 60;\n\n/**\n * @constant\n * @name monthsInQuarter\n * @summary Months in 1 quarter.\n */\nexport const monthsInQuarter = 3;\n\n/**\n * @constant\n * @name monthsInYear\n * @summary Months in 1 year.\n */\nexport const monthsInYear = 12;\n\n/**\n * @constant\n * @name quartersInYear\n * @summary Quarters in 1 year\n */\nexport const quartersInYear = 4;\n\n/**\n * @constant\n * @name secondsInHour\n * @summary Seconds in 1 hour.\n */\nexport const secondsInHour = 3600;\n\n/**\n * @constant\n * @name secondsInMinute\n * @summary Seconds in 1 minute.\n */\nexport const secondsInMinute = 60;\n\n/**\n * @constant\n * @name secondsInDay\n * @summary Seconds in 1 day.\n */\nexport const secondsInDay = secondsInHour * 24;\n\n/**\n * @constant\n * @name secondsInWeek\n * @summary Seconds in 1 week.\n */\nexport const secondsInWeek = secondsInDay * 7;\n\n/**\n * @constant\n * @name secondsInYear\n * @summary Seconds in 1 year.\n */\nexport const secondsInYear = secondsInDay * daysInYear;\n\n/**\n * @constant\n * @name secondsInMonth\n * @summary Seconds in 1 month\n */\nexport const secondsInMonth = secondsInYear / 12;\n\n/**\n * @constant\n * @name secondsInQuarter\n * @summary Seconds in 1 quarter.\n */\nexport const secondsInQuarter = secondsInMonth * 3;\n\n/**\n * @constant\n * @name constructFromSymbol\n * @summary Symbol enabling Date extensions to inherit properties from the reference date.\n *\n * The symbol is used to enable the `constructFrom` function to construct a date\n * using a reference date and a value. It allows to transfer extra properties\n * from the reference date to the new date. It's useful for extensions like\n * [`TZDate`](https://github.com/date-fns/tz) that accept a time zone as\n * a constructor argument.\n */\nexport const constructFromSymbol = Symbol.for(\"constructDateFrom\");\n","import { constructFromSymbol } from \"./constants.js\";\n\n/**\n * @name constructFrom\n * @category Generic Helpers\n * @summary Constructs a date using the reference date and the value\n *\n * @description\n * The function constructs a new date using the constructor from the reference\n * date and the given value. It helps to build generic functions that accept\n * date extensions.\n *\n * It defaults to `Date` if the passed reference date is a number or a string.\n *\n * Starting from v3.7.0, it allows to construct a date using `[Symbol.for(\"constructDateFrom\")]`\n * enabling to transfer extra properties from the reference date to the new date.\n * It's useful for extensions like [`TZDate`](https://github.com/date-fns/tz)\n * that accept a time zone as a constructor argument.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n *\n * @param date - The reference date to take constructor from\n * @param value - The value to create the date\n *\n * @returns Date initialized using the given date and value\n *\n * @example\n * import { constructFrom } from \"./constructFrom/date-fns\";\n *\n * // A function that clones a date preserving the original type\n * function cloneDate(date: DateType): DateType {\n * return constructFrom(\n * date, // Use constructor from the given date\n * date.getTime() // Use the date value to create a new date\n * );\n * }\n */\nexport function constructFrom(date, value) {\n if (typeof date === \"function\") return date(value);\n\n if (date && typeof date === \"object\" && constructFromSymbol in date)\n return date[constructFromSymbol](value);\n\n if (date instanceof Date) return new date.constructor(value);\n\n return new Date(value);\n}\n\n// Fallback for modularized imports:\nexport default constructFrom;\n","import { constructFrom } from \"./constructFrom.js\";\n\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 * Starting from v3.7.0, it clones a date using `[Symbol.for(\"constructDateFrom\")]`\n * enabling to transfer extra properties from the reference date to the new date.\n * It's useful for extensions like [`TZDate`](https://github.com/date-fns/tz)\n * that accept a time zone as a constructor argument.\n *\n * **Note**: *all* Date arguments passed to any *date-fns* function is processed by `toDate`.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param argument - The value to convert\n *\n * @returns The parsed date in the local time zone\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 */\nexport function toDate(argument, context) {\n // [TODO] Get rid of `toDate` or `constructFrom`?\n return constructFrom(context || argument, argument);\n}\n\n// Fallback for modularized imports:\nexport default toDate;\n","const formatDistanceLocale = {\n lessThanXSeconds: {\n one: \"less than a second\",\n other: \"less than {{count}} seconds\",\n },\n\n xSeconds: {\n one: \"1 second\",\n other: \"{{count}} seconds\",\n },\n\n halfAMinute: \"half a minute\",\n\n lessThanXMinutes: {\n one: \"less than a minute\",\n other: \"less than {{count}} minutes\",\n },\n\n xMinutes: {\n one: \"1 minute\",\n other: \"{{count}} minutes\",\n },\n\n aboutXHours: {\n one: \"about 1 hour\",\n other: \"about {{count}} hours\",\n },\n\n xHours: {\n one: \"1 hour\",\n other: \"{{count}} hours\",\n },\n\n xDays: {\n one: \"1 day\",\n other: \"{{count}} days\",\n },\n\n aboutXWeeks: {\n one: \"about 1 week\",\n other: \"about {{count}} weeks\",\n },\n\n xWeeks: {\n one: \"1 week\",\n other: \"{{count}} weeks\",\n },\n\n aboutXMonths: {\n one: \"about 1 month\",\n other: \"about {{count}} months\",\n },\n\n xMonths: {\n one: \"1 month\",\n other: \"{{count}} months\",\n },\n\n aboutXYears: {\n one: \"about 1 year\",\n other: \"about {{count}} years\",\n },\n\n xYears: {\n one: \"1 year\",\n other: \"{{count}} years\",\n },\n\n overXYears: {\n one: \"over 1 year\",\n other: \"over {{count}} years\",\n },\n\n almostXYears: {\n one: \"almost 1 year\",\n other: \"almost {{count}} years\",\n },\n};\n\nexport const formatDistance = (token, count, options) => {\n let result;\n\n const tokenValue = formatDistanceLocale[token];\n if (typeof tokenValue === \"string\") {\n result = tokenValue;\n } else if (count === 1) {\n result = tokenValue.one;\n } else {\n result = tokenValue.other.replace(\"{{count}}\", count.toString());\n }\n\n if (options?.addSuffix) {\n if (options.comparison && options.comparison > 0) {\n return \"in \" + result;\n } else {\n return result + \" ago\";\n }\n }\n\n return result;\n};\n","export function buildFormatLongFn(args) {\n return (options = {}) => {\n // TODO: Remove String()\n const width = options.width ? String(options.width) : args.defaultWidth;\n const format = args.formats[width] || args.formats[args.defaultWidth];\n return format;\n };\n}\n","import { buildFormatLongFn } from \"../../_lib/buildFormatLongFn.js\";\n\nconst dateFormats = {\n full: \"EEEE, MMMM do, y\",\n long: \"MMMM do, y\",\n medium: \"MMM d, y\",\n short: \"MM/dd/yyyy\",\n};\n\nconst 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};\n\nconst dateTimeFormats = {\n full: \"{{date}} 'at' {{time}}\",\n long: \"{{date}} 'at' {{time}}\",\n medium: \"{{date}}, {{time}}\",\n short: \"{{date}}, {{time}}\",\n};\n\nexport const formatLong = {\n date: buildFormatLongFn({\n formats: dateFormats,\n defaultWidth: \"full\",\n }),\n\n time: buildFormatLongFn({\n formats: timeFormats,\n defaultWidth: \"full\",\n }),\n\n dateTime: buildFormatLongFn({\n formats: dateTimeFormats,\n defaultWidth: \"full\",\n }),\n};\n","const 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};\n\nexport const formatRelative = (token, _date, _baseDate, _options) =>\n formatRelativeLocale[token];\n","/**\n * The localize function argument callback which allows to convert raw value to\n * the actual type.\n *\n * @param value - The value to convert\n *\n * @returns The converted value\n */\n\n/**\n * The map of localized values for each width.\n */\n\n/**\n * The index type of the locale unit value. It types conversion of units of\n * values that don't start at 0 (i.e. quarters).\n */\n\n/**\n * Converts the unit value to the tuple of values.\n */\n\n/**\n * The tuple of localized era values. The first element represents BC,\n * the second element represents AD.\n */\n\n/**\n * The tuple of localized quarter values. The first element represents Q1.\n */\n\n/**\n * The tuple of localized day values. The first element represents Sunday.\n */\n\n/**\n * The tuple of localized month values. The first element represents January.\n */\n\nexport function buildLocalizeFn(args) {\n return (value, options) => {\n const context = options?.context ? String(options.context) : \"standalone\";\n\n let valuesArray;\n if (context === \"formatting\" && args.formattingValues) {\n const defaultWidth = args.defaultFormattingWidth || args.defaultWidth;\n const width = options?.width ? String(options.width) : defaultWidth;\n\n valuesArray =\n args.formattingValues[width] || args.formattingValues[defaultWidth];\n } else {\n const defaultWidth = args.defaultWidth;\n const width = options?.width ? String(options.width) : args.defaultWidth;\n\n valuesArray = args.values[width] || args.values[defaultWidth];\n }\n const index = args.argumentCallback ? args.argumentCallback(value) : value;\n\n // @ts-expect-error - For some reason TypeScript just don't want to match it, no matter how hard we try. I challenge you to try to remove it!\n return valuesArray[index];\n };\n}\n","import { buildLocalizeFn } from \"../../_lib/buildLocalizeFn.js\";\n\nconst eraValues = {\n narrow: [\"B\", \"A\"],\n abbreviated: [\"BC\", \"AD\"],\n wide: [\"Before Christ\", \"Anno Domini\"],\n};\n\nconst quarterValues = {\n narrow: [\"1\", \"2\", \"3\", \"4\"],\n abbreviated: [\"Q1\", \"Q2\", \"Q3\", \"Q4\"],\n wide: [\"1st quarter\", \"2nd quarter\", \"3rd quarter\", \"4th quarter\"],\n};\n\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.\nconst monthValues = {\n narrow: [\"J\", \"F\", \"M\", \"A\", \"M\", \"J\", \"J\", \"A\", \"S\", \"O\", \"N\", \"D\"],\n abbreviated: [\n \"Jan\",\n \"Feb\",\n \"Mar\",\n \"Apr\",\n \"May\",\n \"Jun\",\n \"Jul\",\n \"Aug\",\n \"Sep\",\n \"Oct\",\n \"Nov\",\n \"Dec\",\n ],\n\n wide: [\n \"January\",\n \"February\",\n \"March\",\n \"April\",\n \"May\",\n \"June\",\n \"July\",\n \"August\",\n \"September\",\n \"October\",\n \"November\",\n \"December\",\n ],\n};\n\nconst 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: [\n \"Sunday\",\n \"Monday\",\n \"Tuesday\",\n \"Wednesday\",\n \"Thursday\",\n \"Friday\",\n \"Saturday\",\n ],\n};\n\nconst 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};\n\nconst 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\nconst ordinalNumber = (dirtyNumber, _options) => {\n const number = Number(dirtyNumber);\n\n // If ordinal numbers depend on context, for example,\n // if they are different for different grammatical genders,\n // use `options.unit`.\n //\n // `unit` can be 'year', 'quarter', 'month', 'week', 'date', 'dayOfYear',\n // 'day', 'hour', 'minute', 'second'.\n\n const rem100 = number % 100;\n if (rem100 > 20 || rem100 < 10) {\n switch (rem100 % 10) {\n case 1:\n return number + \"st\";\n case 2:\n return number + \"nd\";\n case 3:\n return number + \"rd\";\n }\n }\n return number + \"th\";\n};\n\nexport const localize = {\n ordinalNumber,\n\n era: buildLocalizeFn({\n values: eraValues,\n defaultWidth: \"wide\",\n }),\n\n quarter: buildLocalizeFn({\n values: quarterValues,\n defaultWidth: \"wide\",\n argumentCallback: (quarter) => quarter - 1,\n }),\n\n month: buildLocalizeFn({\n values: monthValues,\n defaultWidth: \"wide\",\n }),\n\n day: buildLocalizeFn({\n values: dayValues,\n defaultWidth: \"wide\",\n }),\n\n dayPeriod: buildLocalizeFn({\n values: dayPeriodValues,\n defaultWidth: \"wide\",\n formattingValues: formattingDayPeriodValues,\n defaultFormattingWidth: \"wide\",\n }),\n};\n","export function buildMatchFn(args) {\n return (string, options = {}) => {\n const width = options.width;\n\n const matchPattern =\n (width && args.matchPatterns[width]) ||\n args.matchPatterns[args.defaultMatchWidth];\n const matchResult = string.match(matchPattern);\n\n if (!matchResult) {\n return null;\n }\n const matchedString = matchResult[0];\n\n const parsePatterns =\n (width && args.parsePatterns[width]) ||\n args.parsePatterns[args.defaultParseWidth];\n\n const key = Array.isArray(parsePatterns)\n ? findIndex(parsePatterns, (pattern) => pattern.test(matchedString))\n : // [TODO] -- I challenge you to fix the type\n findKey(parsePatterns, (pattern) => pattern.test(matchedString));\n\n let value;\n\n value = args.valueCallback ? args.valueCallback(key) : key;\n value = options.valueCallback\n ? // [TODO] -- I challenge you to fix the type\n options.valueCallback(value)\n : value;\n\n const rest = string.slice(matchedString.length);\n\n return { value, rest };\n };\n}\n\nfunction findKey(object, predicate) {\n for (const key in object) {\n if (\n Object.prototype.hasOwnProperty.call(object, key) &&\n predicate(object[key])\n ) {\n return key;\n }\n }\n return undefined;\n}\n\nfunction findIndex(array, predicate) {\n for (let key = 0; key < array.length; key++) {\n if (predicate(array[key])) {\n return key;\n }\n }\n return undefined;\n}\n","export function buildMatchPatternFn(args) {\n return (string, options = {}) => {\n const matchResult = string.match(args.matchPattern);\n if (!matchResult) return null;\n const matchedString = matchResult[0];\n\n const parseResult = string.match(args.parsePattern);\n if (!parseResult) return null;\n let value = args.valueCallback\n ? args.valueCallback(parseResult[0])\n : parseResult[0];\n\n // [TODO] I challenge you to fix the type\n value = options.valueCallback ? options.valueCallback(value) : value;\n\n const rest = string.slice(matchedString.length);\n\n return { value, rest };\n };\n}\n","import { buildMatchFn } from \"../../_lib/buildMatchFn.js\";\nimport { buildMatchPatternFn } from \"../../_lib/buildMatchPatternFn.js\";\n\nconst matchOrdinalNumberPattern = /^(\\d+)(th|st|nd|rd)?/i;\nconst parseOrdinalNumberPattern = /\\d+/i;\n\nconst 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};\nconst parseEraPatterns = {\n any: [/^b/i, /^(a|c)/i],\n};\n\nconst matchQuarterPatterns = {\n narrow: /^[1234]/i,\n abbreviated: /^q[1234]/i,\n wide: /^[1234](th|st|nd|rd)? quarter/i,\n};\nconst parseQuarterPatterns = {\n any: [/1/i, /2/i, /3/i, /4/i],\n};\n\nconst 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};\nconst parseMonthPatterns = {\n narrow: [\n /^j/i,\n /^f/i,\n /^m/i,\n /^a/i,\n /^m/i,\n /^j/i,\n /^j/i,\n /^a/i,\n /^s/i,\n /^o/i,\n /^n/i,\n /^d/i,\n ],\n\n any: [\n /^ja/i,\n /^f/i,\n /^mar/i,\n /^ap/i,\n /^may/i,\n /^jun/i,\n /^jul/i,\n /^au/i,\n /^s/i,\n /^o/i,\n /^n/i,\n /^d/i,\n ],\n};\n\nconst 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};\nconst 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};\n\nconst 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};\nconst 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};\n\nexport const match = {\n ordinalNumber: buildMatchPatternFn({\n matchPattern: matchOrdinalNumberPattern,\n parsePattern: parseOrdinalNumberPattern,\n valueCallback: (value) => parseInt(value, 10),\n }),\n\n era: buildMatchFn({\n matchPatterns: matchEraPatterns,\n defaultMatchWidth: \"wide\",\n parsePatterns: parseEraPatterns,\n defaultParseWidth: \"any\",\n }),\n\n quarter: buildMatchFn({\n matchPatterns: matchQuarterPatterns,\n defaultMatchWidth: \"wide\",\n parsePatterns: parseQuarterPatterns,\n defaultParseWidth: \"any\",\n valueCallback: (index) => index + 1,\n }),\n\n month: buildMatchFn({\n matchPatterns: matchMonthPatterns,\n defaultMatchWidth: \"wide\",\n parsePatterns: parseMonthPatterns,\n defaultParseWidth: \"any\",\n }),\n\n day: buildMatchFn({\n matchPatterns: matchDayPatterns,\n defaultMatchWidth: \"wide\",\n parsePatterns: parseDayPatterns,\n defaultParseWidth: \"any\",\n }),\n\n dayPeriod: buildMatchFn({\n matchPatterns: matchDayPeriodPatterns,\n defaultMatchWidth: \"any\",\n parsePatterns: parseDayPeriodPatterns,\n defaultParseWidth: \"any\",\n }),\n};\n","import { formatDistance } from \"./en-US/_lib/formatDistance.js\";\nimport { formatLong } from \"./en-US/_lib/formatLong.js\";\nimport { formatRelative } from \"./en-US/_lib/formatRelative.js\";\nimport { localize } from \"./en-US/_lib/localize.js\";\nimport { match } from \"./en-US/_lib/match.js\";\n\n/**\n * @category Locales\n * @summary English locale (United States).\n * @language English\n * @iso-639-2 eng\n * @author Sasha Koss [@kossnocorp](https://github.com/kossnocorp)\n * @author Lesha Koss [@leshakoss](https://github.com/leshakoss)\n */\nexport const enUS = {\n code: \"en-US\",\n formatDistance: formatDistance,\n formatLong: formatLong,\n formatRelative: formatRelative,\n localize: localize,\n match: match,\n options: {\n weekStartsOn: 0 /* Sunday */,\n firstWeekContainsDate: 1,\n },\n};\n\n// Fallback for modularized imports:\nexport default enUS;\n","const dateLongFormatter = (pattern, formatLong) => {\n switch (pattern) {\n case \"P\":\n return formatLong.date({ width: \"short\" });\n case \"PP\":\n return formatLong.date({ width: \"medium\" });\n case \"PPP\":\n return formatLong.date({ width: \"long\" });\n case \"PPPP\":\n default:\n return formatLong.date({ width: \"full\" });\n }\n};\n\nconst timeLongFormatter = (pattern, formatLong) => {\n switch (pattern) {\n case \"p\":\n return formatLong.time({ width: \"short\" });\n case \"pp\":\n return formatLong.time({ width: \"medium\" });\n case \"ppp\":\n return formatLong.time({ width: \"long\" });\n case \"pppp\":\n default:\n return formatLong.time({ width: \"full\" });\n }\n};\n\nconst dateTimeLongFormatter = (pattern, formatLong) => {\n const matchResult = pattern.match(/(P+)(p+)?/) || [];\n const datePattern = matchResult[1];\n const timePattern = matchResult[2];\n\n if (!timePattern) {\n return dateLongFormatter(pattern, formatLong);\n }\n\n let dateTimeFormat;\n\n switch (datePattern) {\n case \"P\":\n dateTimeFormat = formatLong.dateTime({ width: \"short\" });\n break;\n case \"PP\":\n dateTimeFormat = formatLong.dateTime({ width: \"medium\" });\n break;\n case \"PPP\":\n dateTimeFormat = formatLong.dateTime({ width: \"long\" });\n break;\n case \"PPPP\":\n default:\n dateTimeFormat = formatLong.dateTime({ width: \"full\" });\n break;\n }\n\n return dateTimeFormat\n .replace(\"{{date}}\", dateLongFormatter(datePattern, formatLong))\n .replace(\"{{time}}\", timeLongFormatter(timePattern, formatLong));\n};\n\nexport const longFormatters = {\n p: timeLongFormatter,\n P: dateTimeLongFormatter,\n};\n","const dayOfYearTokenRE = /^D+$/;\nconst weekYearTokenRE = /^Y+$/;\n\nconst throwTokens = [\"D\", \"DD\", \"YY\", \"YYYY\"];\n\nexport function isProtectedDayOfYearToken(token) {\n return dayOfYearTokenRE.test(token);\n}\n\nexport function isProtectedWeekYearToken(token) {\n return weekYearTokenRE.test(token);\n}\n\nexport function warnOrThrowProtectedError(token, format, input) {\n const _message = message(token, format, input);\n console.warn(_message);\n if (throwTokens.includes(token)) throw new RangeError(_message);\n}\n\nfunction message(token, format, input) {\n const subject = token[0] === \"Y\" ? \"years\" : \"days of the month\";\n return `Use \\`${token.toLowerCase()}\\` instead of \\`${token}\\` (in \\`${format}\\`) for formatting ${subject} to the input \\`${input}\\`; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md`;\n}\n","let defaultOptions = {};\n\nexport function getDefaultOptions() {\n return defaultOptions;\n}\n\nexport function setDefaultOptions(newOptions) {\n defaultOptions = newOptions;\n}\n","import { getDefaultOptions as getInternalDefaultOptions } from \"./_lib/defaultOptions.js\";\n\n/**\n * @name getDefaultOptions\n * @category Common Helpers\n * @summary Get default options.\n * @pure false\n *\n * @description\n * Returns an object that contains defaults for\n * `options.locale`, `options.weekStartsOn` and `options.firstWeekContainsDate`\n * arguments for all functions.\n *\n * You can change these with [setDefaultOptions](https://date-fns.org/docs/setDefaultOptions).\n *\n * @returns The default options\n *\n * @example\n * const result = getDefaultOptions()\n * //=> {}\n *\n * @example\n * setDefaultOptions({ weekStarsOn: 1, firstWeekContainsDate: 4 })\n * const result = getDefaultOptions()\n * //=> { weekStarsOn: 1, firstWeekContainsDate: 4 }\n */\nexport function getDefaultOptions() {\n return Object.assign({}, getInternalDefaultOptions());\n}\n\n// Fallback for modularized imports:\nexport default getDefaultOptions;\n","import { constructFrom } from \"./constructFrom.js\";\n\n/**\n * @name transpose\n * @category Generic Helpers\n * @summary Transpose the date to the given constructor.\n *\n * @description\n * The function transposes the date to the given constructor. It helps you\n * to transpose the date in the system time zone to say `UTCDate` or any other\n * date extension.\n *\n * @typeParam InputDate - The input `Date` type derived from the passed argument.\n * @typeParam ResultDate - The result `Date` type derived from the passed constructor.\n *\n * @param date - The date to use values from\n * @param constructor - The date constructor to use\n *\n * @returns Date transposed to the given constructor\n *\n * @example\n * // Create July 10, 2022 00:00 in locale time zone\n * const date = new Date(2022, 6, 10)\n * //=> 'Sun Jul 10 2022 00:00:00 GMT+0800 (Singapore Standard Time)'\n *\n * @example\n * // Transpose the date to July 10, 2022 00:00 in UTC\n * transpose(date, UTCDate)\n * //=> 'Sun Jul 10 2022 00:00:00 GMT+0000 (Coordinated Universal Time)'\n */\nexport function transpose(date, constructor) {\n const date_ = isConstructor(constructor)\n ? new constructor(0)\n : constructFrom(constructor, 0);\n date_.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());\n date_.setHours(\n date.getHours(),\n date.getMinutes(),\n date.getSeconds(),\n date.getMilliseconds(),\n );\n return date_;\n}\n\nfunction isConstructor(constructor) {\n return (\n typeof constructor === \"function\" &&\n constructor.prototype?.constructor === constructor\n );\n}\n\n// Fallback for modularized imports:\nexport default transpose;\n","import { constructFrom } from \"../../constructFrom.js\";\nimport { transpose } from \"../../transpose.js\";\n\nconst TIMEZONE_UNIT_PRIORITY = 10;\n\nexport class Setter {\n subPriority = 0;\n\n validate(_utcDate, _options) {\n return true;\n }\n}\n\nexport class ValueSetter extends Setter {\n constructor(\n value,\n\n validateValue,\n\n setValue,\n\n priority,\n subPriority,\n ) {\n super();\n this.value = value;\n this.validateValue = validateValue;\n this.setValue = setValue;\n this.priority = priority;\n if (subPriority) {\n this.subPriority = subPriority;\n }\n }\n\n validate(date, options) {\n return this.validateValue(date, this.value, options);\n }\n\n set(date, flags, options) {\n return this.setValue(date, flags, this.value, options);\n }\n}\n\nexport class DateTimezoneSetter extends Setter {\n priority = TIMEZONE_UNIT_PRIORITY;\n subPriority = -1;\n\n constructor(context, reference) {\n super();\n this.context = context || ((date) => constructFrom(reference, date));\n }\n\n set(date, flags) {\n if (flags.timestampIsSet) return date;\n return constructFrom(date, transpose(date, this.context));\n }\n}\n","import { ValueSetter } from \"./Setter.js\";\n\nexport class Parser {\n run(dateString, token, match, options) {\n const result = this.parse(dateString, token, match, options);\n if (!result) {\n return null;\n }\n\n return {\n setter: new ValueSetter(\n result.value,\n this.validate,\n this.set,\n this.priority,\n this.subPriority,\n ),\n rest: result.rest,\n };\n }\n\n validate(_utcDate, _value, _options) {\n return true;\n }\n}\n","import { Parser } from \"../Parser.js\";\n\nexport class EraParser extends Parser {\n priority = 140;\n\n parse(dateString, token, match) {\n switch (token) {\n // AD, BC\n case \"G\":\n case \"GG\":\n case \"GGG\":\n return (\n match.era(dateString, { width: \"abbreviated\" }) ||\n match.era(dateString, { width: \"narrow\" })\n );\n\n // A, B\n case \"GGGGG\":\n return match.era(dateString, { width: \"narrow\" });\n // Anno Domini, Before Christ\n case \"GGGG\":\n default:\n return (\n match.era(dateString, { width: \"wide\" }) ||\n match.era(dateString, { width: \"abbreviated\" }) ||\n match.era(dateString, { width: \"narrow\" })\n );\n }\n }\n\n set(date, flags, value) {\n flags.era = value;\n date.setFullYear(value, 0, 1);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\"R\", \"u\", \"t\", \"T\"];\n}\n","export const numericPatterns = {\n month: /^(1[0-2]|0?\\d)/, // 0 to 12\n date: /^(3[0-1]|[0-2]?\\d)/, // 0 to 31\n dayOfYear: /^(36[0-6]|3[0-5]\\d|[0-2]?\\d?\\d)/, // 0 to 366\n week: /^(5[0-3]|[0-4]?\\d)/, // 0 to 53\n hour23h: /^(2[0-3]|[0-1]?\\d)/, // 0 to 23\n hour24h: /^(2[0-4]|[0-1]?\\d)/, // 0 to 24\n hour11h: /^(1[0-1]|0?\\d)/, // 0 to 11\n hour12h: /^(1[0-2]|0?\\d)/, // 0 to 12\n minute: /^[0-5]?\\d/, // 0 to 59\n second: /^[0-5]?\\d/, // 0 to 59\n\n singleDigit: /^\\d/, // 0 to 9\n twoDigits: /^\\d{1,2}/, // 0 to 99\n threeDigits: /^\\d{1,3}/, // 0 to 999\n fourDigits: /^\\d{1,4}/, // 0 to 9999\n\n anyDigitsSigned: /^-?\\d+/,\n singleDigitSigned: /^-?\\d/, // 0 to 9, -0 to -9\n twoDigitsSigned: /^-?\\d{1,2}/, // 0 to 99, -0 to -99\n threeDigitsSigned: /^-?\\d{1,3}/, // 0 to 999, -0 to -999\n fourDigitsSigned: /^-?\\d{1,4}/, // 0 to 9999, -0 to -9999\n};\n\nexport const 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","import {\n millisecondsInHour,\n millisecondsInMinute,\n millisecondsInSecond,\n} from \"../../constants.js\";\n\nimport { numericPatterns } from \"./constants.js\";\n\nexport function mapValue(parseFnResult, mapFn) {\n if (!parseFnResult) {\n return parseFnResult;\n }\n\n return {\n value: mapFn(parseFnResult.value),\n rest: parseFnResult.rest,\n };\n}\n\nexport function parseNumericPattern(pattern, dateString) {\n const matchResult = dateString.match(pattern);\n\n if (!matchResult) {\n return null;\n }\n\n return {\n value: parseInt(matchResult[0], 10),\n rest: dateString.slice(matchResult[0].length),\n };\n}\n\nexport function parseTimezonePattern(pattern, dateString) {\n const matchResult = dateString.match(pattern);\n\n if (!matchResult) {\n return null;\n }\n\n // Input is 'Z'\n if (matchResult[0] === \"Z\") {\n return {\n value: 0,\n rest: dateString.slice(1),\n };\n }\n\n const sign = matchResult[1] === \"+\" ? 1 : -1;\n const hours = matchResult[2] ? parseInt(matchResult[2], 10) : 0;\n const minutes = matchResult[3] ? parseInt(matchResult[3], 10) : 0;\n const seconds = matchResult[5] ? parseInt(matchResult[5], 10) : 0;\n\n return {\n value:\n sign *\n (hours * millisecondsInHour +\n minutes * millisecondsInMinute +\n seconds * millisecondsInSecond),\n rest: dateString.slice(matchResult[0].length),\n };\n}\n\nexport function parseAnyDigitsSigned(dateString) {\n return parseNumericPattern(numericPatterns.anyDigitsSigned, dateString);\n}\n\nexport function parseNDigits(n, dateString) {\n switch (n) {\n case 1:\n return parseNumericPattern(numericPatterns.singleDigit, dateString);\n case 2:\n return parseNumericPattern(numericPatterns.twoDigits, dateString);\n case 3:\n return parseNumericPattern(numericPatterns.threeDigits, dateString);\n case 4:\n return parseNumericPattern(numericPatterns.fourDigits, dateString);\n default:\n return parseNumericPattern(new RegExp(\"^\\\\d{1,\" + n + \"}\"), dateString);\n }\n}\n\nexport function parseNDigitsSigned(n, dateString) {\n switch (n) {\n case 1:\n return parseNumericPattern(numericPatterns.singleDigitSigned, dateString);\n case 2:\n return parseNumericPattern(numericPatterns.twoDigitsSigned, dateString);\n case 3:\n return parseNumericPattern(numericPatterns.threeDigitsSigned, dateString);\n case 4:\n return parseNumericPattern(numericPatterns.fourDigitsSigned, dateString);\n default:\n return parseNumericPattern(new RegExp(\"^-?\\\\d{1,\" + n + \"}\"), dateString);\n }\n}\n\nexport function dayPeriodEnumToHours(dayPeriod) {\n switch (dayPeriod) {\n case \"morning\":\n return 4;\n case \"evening\":\n return 17;\n case \"pm\":\n case \"noon\":\n case \"afternoon\":\n return 12;\n case \"am\":\n case \"midnight\":\n case \"night\":\n default:\n return 0;\n }\n}\n\nexport function normalizeTwoDigitYear(twoDigitYear, currentYear) {\n const isCommonEra = currentYear > 0;\n // Absolute number of the current year:\n // 1 -> 1 AC\n // 0 -> 1 BC\n // -1 -> 2 BC\n const absCurrentYear = isCommonEra ? currentYear : 1 - currentYear;\n\n let result;\n if (absCurrentYear <= 50) {\n result = twoDigitYear || 100;\n } else {\n const rangeEnd = absCurrentYear + 50;\n const rangeEndCentury = Math.trunc(rangeEnd / 100) * 100;\n const isPreviousCentury = twoDigitYear >= rangeEnd % 100;\n result = twoDigitYear + rangeEndCentury - (isPreviousCentury ? 100 : 0);\n }\n\n return isCommonEra ? result : 1 - result;\n}\n\nexport function isLeapYearIndex(year) {\n return year % 400 === 0 || (year % 4 === 0 && year % 100 !== 0);\n}\n","import { Parser } from \"../Parser.js\";\n\nimport { mapValue, normalizeTwoDigitYear, parseNDigits } from \"../utils.js\";\n\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 |\nexport class YearParser extends Parser {\n priority = 130;\n incompatibleTokens = [\"Y\", \"R\", \"u\", \"w\", \"I\", \"i\", \"e\", \"c\", \"t\", \"T\"];\n\n parse(dateString, token, match) {\n const valueCallback = (year) => ({\n year,\n isTwoDigitYear: token === \"yy\",\n });\n\n switch (token) {\n case \"y\":\n return mapValue(parseNDigits(4, dateString), valueCallback);\n case \"yo\":\n return mapValue(\n match.ordinalNumber(dateString, {\n unit: \"year\",\n }),\n valueCallback,\n );\n default:\n return mapValue(parseNDigits(token.length, dateString), valueCallback);\n }\n }\n\n validate(_date, value) {\n return value.isTwoDigitYear || value.year > 0;\n }\n\n set(date, flags, value) {\n const currentYear = date.getFullYear();\n\n if (value.isTwoDigitYear) {\n const normalizedTwoDigitYear = normalizeTwoDigitYear(\n value.year,\n currentYear,\n );\n date.setFullYear(normalizedTwoDigitYear, 0, 1);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n const year =\n !(\"era\" in flags) || flags.era === 1 ? value.year : 1 - value.year;\n date.setFullYear(year, 0, 1);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n}\n","import { getDefaultOptions } from \"./_lib/defaultOptions.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link startOfWeek} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The start of a week\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 */\nexport function startOfWeek(date, options) {\n const defaultOptions = getDefaultOptions();\n const weekStartsOn =\n options?.weekStartsOn ??\n options?.locale?.options?.weekStartsOn ??\n defaultOptions.weekStartsOn ??\n defaultOptions.locale?.options?.weekStartsOn ??\n 0;\n\n const _date = toDate(date, options?.in);\n const day = _date.getDay();\n const diff = (day < weekStartsOn ? 7 : 0) + day - weekStartsOn;\n\n _date.setDate(_date.getDate() - diff);\n _date.setHours(0, 0, 0, 0);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default startOfWeek;\n","import { getDefaultOptions } from \"./_lib/defaultOptions.js\";\nimport { constructFrom } from \"./constructFrom.js\";\nimport { startOfWeek } from \"./startOfWeek.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link getWeekYear} function options.\n */\n\n/**\n * @name getWeekYear\n * @category Week-Numbering Year Helpers\n * @summary Get the local week-numbering year of the given date.\n *\n * @description\n * Get the local week-numbering year of the given date.\n * The exact calculation depends on the values of\n * `options.weekStartsOn` (which is the index of the first day of the week)\n * and `options.firstWeekContainsDate` (which is the day of January, which is always in\n * the first week of the week-numbering year)\n *\n * Week numbering: https://en.wikipedia.org/wiki/Week#The_ISO_week_date_system\n *\n * @param date - The given date\n * @param options - An object with options.\n *\n * @returns The local week-numbering year\n *\n * @example\n * // Which week numbering year is 26 December 2004 with the default settings?\n * const result = getWeekYear(new Date(2004, 11, 26))\n * //=> 2005\n *\n * @example\n * // Which week numbering year is 26 December 2004 if week starts on Saturday?\n * const result = getWeekYear(new Date(2004, 11, 26), { weekStartsOn: 6 })\n * //=> 2004\n *\n * @example\n * // Which week numbering year is 26 December 2004 if the first week contains 4 January?\n * const result = getWeekYear(new Date(2004, 11, 26), { firstWeekContainsDate: 4 })\n * //=> 2004\n */\nexport function getWeekYear(date, options) {\n const _date = toDate(date, options?.in);\n const year = _date.getFullYear();\n\n const defaultOptions = getDefaultOptions();\n const firstWeekContainsDate =\n options?.firstWeekContainsDate ??\n options?.locale?.options?.firstWeekContainsDate ??\n defaultOptions.firstWeekContainsDate ??\n defaultOptions.locale?.options?.firstWeekContainsDate ??\n 1;\n\n const firstWeekOfNextYear = constructFrom(options?.in || date, 0);\n firstWeekOfNextYear.setFullYear(year + 1, 0, firstWeekContainsDate);\n firstWeekOfNextYear.setHours(0, 0, 0, 0);\n const startOfNextYear = startOfWeek(firstWeekOfNextYear, options);\n\n const firstWeekOfThisYear = constructFrom(options?.in || date, 0);\n firstWeekOfThisYear.setFullYear(year, 0, firstWeekContainsDate);\n firstWeekOfThisYear.setHours(0, 0, 0, 0);\n const startOfThisYear = startOfWeek(firstWeekOfThisYear, options);\n\n if (+_date >= +startOfNextYear) {\n return year + 1;\n } else if (+_date >= +startOfThisYear) {\n return year;\n } else {\n return year - 1;\n }\n}\n\n// Fallback for modularized imports:\nexport default getWeekYear;\n","import { getWeekYear } from \"../../../getWeekYear.js\";\n\nimport { startOfWeek } from \"../../../startOfWeek.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { mapValue, normalizeTwoDigitYear, parseNDigits } from \"../utils.js\";\n\n// Local week-numbering year\nexport class LocalWeekYearParser extends Parser {\n priority = 130;\n\n parse(dateString, token, match) {\n const valueCallback = (year) => ({\n year,\n isTwoDigitYear: token === \"YY\",\n });\n\n switch (token) {\n case \"Y\":\n return mapValue(parseNDigits(4, dateString), valueCallback);\n case \"Yo\":\n return mapValue(\n match.ordinalNumber(dateString, {\n unit: \"year\",\n }),\n valueCallback,\n );\n default:\n return mapValue(parseNDigits(token.length, dateString), valueCallback);\n }\n }\n\n validate(_date, value) {\n return value.isTwoDigitYear || value.year > 0;\n }\n\n set(date, flags, value, options) {\n const currentYear = getWeekYear(date, options);\n\n if (value.isTwoDigitYear) {\n const normalizedTwoDigitYear = normalizeTwoDigitYear(\n value.year,\n currentYear,\n );\n date.setFullYear(\n normalizedTwoDigitYear,\n 0,\n options.firstWeekContainsDate,\n );\n date.setHours(0, 0, 0, 0);\n return startOfWeek(date, options);\n }\n\n const year =\n !(\"era\" in flags) || flags.era === 1 ? value.year : 1 - value.year;\n date.setFullYear(year, 0, options.firstWeekContainsDate);\n date.setHours(0, 0, 0, 0);\n return startOfWeek(date, options);\n }\n\n incompatibleTokens = [\n \"y\",\n \"R\",\n \"u\",\n \"Q\",\n \"q\",\n \"M\",\n \"L\",\n \"I\",\n \"d\",\n \"D\",\n \"i\",\n \"t\",\n \"T\",\n ];\n}\n","import { startOfWeek } from \"./startOfWeek.js\";\n\n/**\n * The {@link startOfISOWeek} function options.\n */\n\n/**\n * @name startOfISOWeek\n * @category ISO Week Helpers\n * @summary Return the start of an ISO week for the given date.\n *\n * @description\n * Return the start of an ISO week for the given date.\n * The result will be in the local timezone.\n *\n * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The start of an ISO week\n *\n * @example\n * // The start of an ISO week for 2 September 2014 11:55:00:\n * const result = startOfISOWeek(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Mon Sep 01 2014 00:00:00\n */\nexport function startOfISOWeek(date, options) {\n return startOfWeek(date, { ...options, weekStartsOn: 1 });\n}\n\n// Fallback for modularized imports:\nexport default startOfISOWeek;\n","import { startOfISOWeek } from \"../../../startOfISOWeek.js\";\nimport { constructFrom } from \"../../../constructFrom.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseNDigitsSigned } from \"../utils.js\";\n\n// ISO week-numbering year\nexport class ISOWeekYearParser extends Parser {\n priority = 130;\n\n parse(dateString, token) {\n if (token === \"R\") {\n return parseNDigitsSigned(4, dateString);\n }\n\n return parseNDigitsSigned(token.length, dateString);\n }\n\n set(date, _flags, value) {\n const firstWeekOfYear = constructFrom(date, 0);\n firstWeekOfYear.setFullYear(value, 0, 4);\n firstWeekOfYear.setHours(0, 0, 0, 0);\n return startOfISOWeek(firstWeekOfYear);\n }\n\n incompatibleTokens = [\n \"G\",\n \"y\",\n \"Y\",\n \"u\",\n \"Q\",\n \"q\",\n \"M\",\n \"L\",\n \"w\",\n \"d\",\n \"D\",\n \"e\",\n \"c\",\n \"t\",\n \"T\",\n ];\n}\n","import { Parser } from \"../Parser.js\";\n\nimport { parseNDigitsSigned } from \"../utils.js\";\n\nexport class ExtendedYearParser extends Parser {\n priority = 130;\n\n parse(dateString, token) {\n if (token === \"u\") {\n return parseNDigitsSigned(4, dateString);\n }\n\n return parseNDigitsSigned(token.length, dateString);\n }\n\n set(date, _flags, value) {\n date.setFullYear(value, 0, 1);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\"G\", \"y\", \"Y\", \"R\", \"w\", \"I\", \"i\", \"e\", \"c\", \"t\", \"T\"];\n}\n","import { Parser } from \"../Parser.js\";\n\nimport { parseNDigits } from \"../utils.js\";\n\nexport class QuarterParser extends Parser {\n priority = 120;\n\n parse(dateString, token, match) {\n switch (token) {\n // 1, 2, 3, 4\n case \"Q\":\n case \"QQ\": // 01, 02, 03, 04\n return parseNDigits(token.length, dateString);\n // 1st, 2nd, 3rd, 4th\n case \"Qo\":\n return match.ordinalNumber(dateString, { unit: \"quarter\" });\n // Q1, Q2, Q3, Q4\n case \"QQQ\":\n return (\n match.quarter(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.quarter(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n })\n );\n\n // 1, 2, 3, 4 (narrow quarter; could be not numerical)\n case \"QQQQQ\":\n return match.quarter(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n });\n // 1st quarter, 2nd quarter, ...\n case \"QQQQ\":\n default:\n return (\n match.quarter(dateString, {\n width: \"wide\",\n context: \"formatting\",\n }) ||\n match.quarter(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.quarter(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n })\n );\n }\n }\n\n validate(_date, value) {\n return value >= 1 && value <= 4;\n }\n\n set(date, _flags, value) {\n date.setMonth((value - 1) * 3, 1);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\n \"Y\",\n \"R\",\n \"q\",\n \"M\",\n \"L\",\n \"w\",\n \"I\",\n \"d\",\n \"D\",\n \"i\",\n \"e\",\n \"c\",\n \"t\",\n \"T\",\n ];\n}\n","import { Parser } from \"../Parser.js\";\n\nimport { parseNDigits } from \"../utils.js\";\n\nexport class StandAloneQuarterParser extends Parser {\n priority = 120;\n\n parse(dateString, token, match) {\n switch (token) {\n // 1, 2, 3, 4\n case \"q\":\n case \"qq\": // 01, 02, 03, 04\n return parseNDigits(token.length, dateString);\n // 1st, 2nd, 3rd, 4th\n case \"qo\":\n return match.ordinalNumber(dateString, { unit: \"quarter\" });\n // Q1, Q2, Q3, Q4\n case \"qqq\":\n return (\n match.quarter(dateString, {\n width: \"abbreviated\",\n context: \"standalone\",\n }) ||\n match.quarter(dateString, {\n width: \"narrow\",\n context: \"standalone\",\n })\n );\n\n // 1, 2, 3, 4 (narrow quarter; could be not numerical)\n case \"qqqqq\":\n return match.quarter(dateString, {\n width: \"narrow\",\n context: \"standalone\",\n });\n // 1st quarter, 2nd quarter, ...\n case \"qqqq\":\n default:\n return (\n match.quarter(dateString, {\n width: \"wide\",\n context: \"standalone\",\n }) ||\n match.quarter(dateString, {\n width: \"abbreviated\",\n context: \"standalone\",\n }) ||\n match.quarter(dateString, {\n width: \"narrow\",\n context: \"standalone\",\n })\n );\n }\n }\n\n validate(_date, value) {\n return value >= 1 && value <= 4;\n }\n\n set(date, _flags, value) {\n date.setMonth((value - 1) * 3, 1);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\n \"Y\",\n \"R\",\n \"Q\",\n \"M\",\n \"L\",\n \"w\",\n \"I\",\n \"d\",\n \"D\",\n \"i\",\n \"e\",\n \"c\",\n \"t\",\n \"T\",\n ];\n}\n","import { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { mapValue, parseNDigits, parseNumericPattern } from \"../utils.js\";\n\nexport class MonthParser extends Parser {\n incompatibleTokens = [\n \"Y\",\n \"R\",\n \"q\",\n \"Q\",\n \"L\",\n \"w\",\n \"I\",\n \"D\",\n \"i\",\n \"e\",\n \"c\",\n \"t\",\n \"T\",\n ];\n\n priority = 110;\n\n parse(dateString, token, match) {\n const valueCallback = (value) => value - 1;\n\n switch (token) {\n // 1, 2, ..., 12\n case \"M\":\n return mapValue(\n parseNumericPattern(numericPatterns.month, dateString),\n valueCallback,\n );\n // 01, 02, ..., 12\n case \"MM\":\n return mapValue(parseNDigits(2, dateString), valueCallback);\n // 1st, 2nd, ..., 12th\n case \"Mo\":\n return mapValue(\n match.ordinalNumber(dateString, {\n unit: \"month\",\n }),\n valueCallback,\n );\n // Jan, Feb, ..., Dec\n case \"MMM\":\n return (\n match.month(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.month(dateString, { width: \"narrow\", context: \"formatting\" })\n );\n\n // J, F, ..., D\n case \"MMMMM\":\n return match.month(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n });\n // January, February, ..., December\n case \"MMMM\":\n default:\n return (\n match.month(dateString, { width: \"wide\", context: \"formatting\" }) ||\n match.month(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.month(dateString, { width: \"narrow\", context: \"formatting\" })\n );\n }\n }\n\n validate(_date, value) {\n return value >= 0 && value <= 11;\n }\n\n set(date, _flags, value) {\n date.setMonth(value, 1);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n}\n","import { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { mapValue, parseNDigits, parseNumericPattern } from \"../utils.js\";\n\nexport class StandAloneMonthParser extends Parser {\n priority = 110;\n\n parse(dateString, token, match) {\n const valueCallback = (value) => value - 1;\n\n switch (token) {\n // 1, 2, ..., 12\n case \"L\":\n return mapValue(\n parseNumericPattern(numericPatterns.month, dateString),\n valueCallback,\n );\n // 01, 02, ..., 12\n case \"LL\":\n return mapValue(parseNDigits(2, dateString), valueCallback);\n // 1st, 2nd, ..., 12th\n case \"Lo\":\n return mapValue(\n match.ordinalNumber(dateString, {\n unit: \"month\",\n }),\n valueCallback,\n );\n // Jan, Feb, ..., Dec\n case \"LLL\":\n return (\n match.month(dateString, {\n width: \"abbreviated\",\n context: \"standalone\",\n }) ||\n match.month(dateString, { width: \"narrow\", context: \"standalone\" })\n );\n\n // J, F, ..., D\n case \"LLLLL\":\n return match.month(dateString, {\n width: \"narrow\",\n context: \"standalone\",\n });\n // January, February, ..., December\n case \"LLLL\":\n default:\n return (\n match.month(dateString, { width: \"wide\", context: \"standalone\" }) ||\n match.month(dateString, {\n width: \"abbreviated\",\n context: \"standalone\",\n }) ||\n match.month(dateString, { width: \"narrow\", context: \"standalone\" })\n );\n }\n }\n\n validate(_date, value) {\n return value >= 0 && value <= 11;\n }\n\n set(date, _flags, value) {\n date.setMonth(value, 1);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\n \"Y\",\n \"R\",\n \"q\",\n \"Q\",\n \"M\",\n \"w\",\n \"I\",\n \"D\",\n \"i\",\n \"e\",\n \"c\",\n \"t\",\n \"T\",\n ];\n}\n","import { getDefaultOptions } from \"./_lib/defaultOptions.js\";\nimport { constructFrom } from \"./constructFrom.js\";\nimport { getWeekYear } from \"./getWeekYear.js\";\nimport { startOfWeek } from \"./startOfWeek.js\";\n\n/**\n * The {@link startOfWeekYear} function options.\n */\n\n/**\n * @name startOfWeekYear\n * @category Week-Numbering Year Helpers\n * @summary Return the start of a local week-numbering year for the given date.\n *\n * @description\n * Return the start of a local week-numbering year.\n * The exact calculation depends on the values of\n * `options.weekStartsOn` (which is the index of the first day of the week)\n * and `options.firstWeekContainsDate` (which is the day of January, which is always in\n * the first week of the week-numbering year)\n *\n * Week numbering: https://en.wikipedia.org/wiki/Week#The_ISO_week_date_system\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The start of a week-numbering year\n *\n * @example\n * // The start of an a week-numbering year for 2 July 2005 with default settings:\n * const result = startOfWeekYear(new Date(2005, 6, 2))\n * //=> Sun Dec 26 2004 00:00:00\n *\n * @example\n * // The start of a week-numbering year for 2 July 2005\n * // if Monday is the first day of week\n * // and 4 January is always in the first week of the year:\n * const result = startOfWeekYear(new Date(2005, 6, 2), {\n * weekStartsOn: 1,\n * firstWeekContainsDate: 4\n * })\n * //=> Mon Jan 03 2005 00:00:00\n */\nexport function startOfWeekYear(date, options) {\n const defaultOptions = getDefaultOptions();\n const firstWeekContainsDate =\n options?.firstWeekContainsDate ??\n options?.locale?.options?.firstWeekContainsDate ??\n defaultOptions.firstWeekContainsDate ??\n defaultOptions.locale?.options?.firstWeekContainsDate ??\n 1;\n\n const year = getWeekYear(date, options);\n const firstWeek = constructFrom(options?.in || date, 0);\n firstWeek.setFullYear(year, 0, firstWeekContainsDate);\n firstWeek.setHours(0, 0, 0, 0);\n const _date = startOfWeek(firstWeek, options);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default startOfWeekYear;\n","import { millisecondsInWeek } from \"./constants.js\";\nimport { startOfWeek } from \"./startOfWeek.js\";\nimport { startOfWeekYear } from \"./startOfWeekYear.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link getWeek} function options.\n */\n\n/**\n * @name getWeek\n * @category Week Helpers\n * @summary Get the local week index of the given date.\n *\n * @description\n * Get the local week index of the given date.\n * The exact calculation depends on the values of\n * `options.weekStartsOn` (which is the index of the first day of the week)\n * and `options.firstWeekContainsDate` (which is the day of January, which is always in\n * the first week of the week-numbering year)\n *\n * Week numbering: https://en.wikipedia.org/wiki/Week#The_ISO_week_date_system\n *\n * @param date - The given date\n * @param options - An object with options\n *\n * @returns The week\n *\n * @example\n * // Which week of the local week numbering year is 2 January 2005 with default options?\n * const result = getWeek(new Date(2005, 0, 2))\n * //=> 2\n *\n * @example\n * // Which week of the local week numbering year is 2 January 2005,\n * // if Monday is the first day of the week,\n * // and the first week of the year always contains 4 January?\n * const result = getWeek(new Date(2005, 0, 2), {\n * weekStartsOn: 1,\n * firstWeekContainsDate: 4\n * })\n * //=> 53\n */\nexport function getWeek(date, options) {\n const _date = toDate(date, options?.in);\n const diff = +startOfWeek(_date, options) - +startOfWeekYear(_date, options);\n\n // Round the number of weeks to the nearest integer because the number of\n // milliseconds in a week is not constant (e.g. it's different in the week of\n // the daylight saving time clock shift).\n return Math.round(diff / millisecondsInWeek) + 1;\n}\n\n// Fallback for modularized imports:\nexport default getWeek;\n","import { getWeek } from \"./getWeek.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link setWeek} function options.\n */\n\n/**\n * @name setWeek\n * @category Week Helpers\n * @summary Set the local week to the given date.\n *\n * @description\n * Set the local week to the given date, saving the weekday number.\n * The exact calculation depends on the values of\n * `options.weekStartsOn` (which is the index of the first day of the week)\n * and `options.firstWeekContainsDate` (which is the day of January, which is always in\n * the first week of the week-numbering year)\n *\n * Week numbering: https://en.wikipedia.org/wiki/Week#The_ISO_week_date_system\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param week - The week of the new date\n * @param options - An object with options\n *\n * @returns The new date with the local week set\n *\n * @example\n * // Set the 1st week to 2 January 2005 with default options:\n * const result = setWeek(new Date(2005, 0, 2), 1)\n * //=> Sun Dec 26 2004 00:00:00\n *\n * @example\n * // Set the 1st week to 2 January 2005,\n * // if Monday is the first day of the week,\n * // and the first week of the year always contains 4 January:\n * const result = setWeek(new Date(2005, 0, 2), 1, {\n * weekStartsOn: 1,\n * firstWeekContainsDate: 4\n * })\n * //=> Sun Jan 4 2004 00:00:00\n */\nexport function setWeek(date, week, options) {\n const date_ = toDate(date, options?.in);\n const diff = getWeek(date_, options) - week;\n date_.setDate(date_.getDate() - diff * 7);\n return toDate(date_, options?.in);\n}\n\n// Fallback for modularized imports:\nexport default setWeek;\n","import { setWeek } from \"../../../setWeek.js\";\nimport { startOfWeek } from \"../../../startOfWeek.js\";\nimport { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseNDigits, parseNumericPattern } from \"../utils.js\";\n\n// Local week of year\nexport class LocalWeekParser extends Parser {\n priority = 100;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"w\":\n return parseNumericPattern(numericPatterns.week, dateString);\n case \"wo\":\n return match.ordinalNumber(dateString, { unit: \"week\" });\n default:\n return parseNDigits(token.length, dateString);\n }\n }\n\n validate(_date, value) {\n return value >= 1 && value <= 53;\n }\n\n set(date, _flags, value, options) {\n return startOfWeek(setWeek(date, value, options), options);\n }\n\n incompatibleTokens = [\n \"y\",\n \"R\",\n \"u\",\n \"q\",\n \"Q\",\n \"M\",\n \"L\",\n \"I\",\n \"d\",\n \"D\",\n \"i\",\n \"t\",\n \"T\",\n ];\n}\n","import { constructFrom } from \"./constructFrom.js\";\nimport { startOfISOWeek } from \"./startOfISOWeek.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link getISOWeekYear} function options.\n */\n\n/**\n * @name getISOWeekYear\n * @category ISO Week-Numbering Year Helpers\n * @summary Get the ISO week-numbering year of the given date.\n *\n * @description\n * Get the ISO week-numbering year of the given date,\n * which always starts 3 days before the year's first Thursday.\n *\n * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date\n *\n * @param date - The given date\n *\n * @returns The ISO week-numbering year\n *\n * @example\n * // Which ISO-week numbering year is 2 January 2005?\n * const result = getISOWeekYear(new Date(2005, 0, 2))\n * //=> 2004\n */\nexport function getISOWeekYear(date, options) {\n const _date = toDate(date, options?.in);\n const year = _date.getFullYear();\n\n const fourthOfJanuaryOfNextYear = constructFrom(_date, 0);\n fourthOfJanuaryOfNextYear.setFullYear(year + 1, 0, 4);\n fourthOfJanuaryOfNextYear.setHours(0, 0, 0, 0);\n const startOfNextYear = startOfISOWeek(fourthOfJanuaryOfNextYear);\n\n const fourthOfJanuaryOfThisYear = constructFrom(_date, 0);\n fourthOfJanuaryOfThisYear.setFullYear(year, 0, 4);\n fourthOfJanuaryOfThisYear.setHours(0, 0, 0, 0);\n const startOfThisYear = startOfISOWeek(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}\n\n// Fallback for modularized imports:\nexport default getISOWeekYear;\n","import { constructFrom } from \"./constructFrom.js\";\nimport { getISOWeekYear } from \"./getISOWeekYear.js\";\nimport { startOfISOWeek } from \"./startOfISOWeek.js\";\n\n/**\n * The {@link startOfISOWeekYear} function options.\n */\n\n/**\n * @name startOfISOWeekYear\n * @category ISO Week-Numbering Year Helpers\n * @summary Return the start of an ISO week-numbering year for the given date.\n *\n * @description\n * Return the start of an ISO week-numbering year,\n * which always starts 3 days before the year's first Thursday.\n * The result will be in the local timezone.\n *\n * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The start of an ISO week-numbering year\n *\n * @example\n * // The start of an ISO week-numbering year for 2 July 2005:\n * const result = startOfISOWeekYear(new Date(2005, 6, 2))\n * //=> Mon Jan 03 2005 00:00:00\n */\nexport function startOfISOWeekYear(date, options) {\n const year = getISOWeekYear(date, options);\n const fourthOfJanuary = constructFrom(options?.in || date, 0);\n fourthOfJanuary.setFullYear(year, 0, 4);\n fourthOfJanuary.setHours(0, 0, 0, 0);\n return startOfISOWeek(fourthOfJanuary);\n}\n\n// Fallback for modularized imports:\nexport default startOfISOWeekYear;\n","import { millisecondsInWeek } from \"./constants.js\";\nimport { startOfISOWeek } from \"./startOfISOWeek.js\";\nimport { startOfISOWeekYear } from \"./startOfISOWeekYear.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link getISOWeek} function options.\n */\n\n/**\n * @name getISOWeek\n * @category ISO Week Helpers\n * @summary Get the ISO week of the given date.\n *\n * @description\n * Get the ISO week of the given date.\n *\n * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date\n *\n * @param date - The given date\n * @param options - The options\n *\n * @returns The ISO week\n *\n * @example\n * // Which week of the ISO-week numbering year is 2 January 2005?\n * const result = getISOWeek(new Date(2005, 0, 2))\n * //=> 53\n */\nexport function getISOWeek(date, options) {\n const _date = toDate(date, options?.in);\n const diff = +startOfISOWeek(_date) - +startOfISOWeekYear(_date);\n\n // Round the number of weeks to the nearest integer because the number of\n // milliseconds in a week is not constant (e.g. it's different in the week of\n // the daylight saving time clock shift).\n return Math.round(diff / millisecondsInWeek) + 1;\n}\n\n// Fallback for modularized imports:\nexport default getISOWeek;\n","import { getISOWeek } from \"./getISOWeek.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link setISOWeek} function options.\n */\n\n/**\n * @name setISOWeek\n * @category ISO Week Helpers\n * @summary Set the ISO week to the given date.\n *\n * @description\n * Set the ISO week to the given date, saving the weekday number.\n *\n * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The `Date` type of the context function.\n *\n * @param date - The date to be changed\n * @param week - The ISO week of the new date\n * @param options - An object with options\n *\n * @returns The new date with the ISO week set\n *\n * @example\n * // Set the 53rd ISO week to 7 August 2004:\n * const result = setISOWeek(new Date(2004, 7, 7), 53)\n * //=> Sat Jan 01 2005 00:00:00\n */\nexport function setISOWeek(date, week, options) {\n const _date = toDate(date, options?.in);\n const diff = getISOWeek(_date, options) - week;\n _date.setDate(_date.getDate() - diff * 7);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default setISOWeek;\n","import { setISOWeek } from \"../../../setISOWeek.js\";\nimport { startOfISOWeek } from \"../../../startOfISOWeek.js\";\nimport { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseNDigits, parseNumericPattern } from \"../utils.js\";\n\n// ISO week of year\nexport class ISOWeekParser extends Parser {\n priority = 100;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"I\":\n return parseNumericPattern(numericPatterns.week, dateString);\n case \"Io\":\n return match.ordinalNumber(dateString, { unit: \"week\" });\n default:\n return parseNDigits(token.length, dateString);\n }\n }\n\n validate(_date, value) {\n return value >= 1 && value <= 53;\n }\n\n set(date, _flags, value) {\n return startOfISOWeek(setISOWeek(date, value));\n }\n\n incompatibleTokens = [\n \"y\",\n \"Y\",\n \"u\",\n \"q\",\n \"Q\",\n \"M\",\n \"L\",\n \"w\",\n \"d\",\n \"D\",\n \"e\",\n \"c\",\n \"t\",\n \"T\",\n ];\n}\n","import { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport {\n isLeapYearIndex,\n parseNDigits,\n parseNumericPattern,\n} from \"../utils.js\";\n\nconst DAYS_IN_MONTH = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];\nconst DAYS_IN_MONTH_LEAP_YEAR = [\n 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31,\n];\n\n// Day of the month\nexport class DateParser extends Parser {\n priority = 90;\n subPriority = 1;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"d\":\n return parseNumericPattern(numericPatterns.date, dateString);\n case \"do\":\n return match.ordinalNumber(dateString, { unit: \"date\" });\n default:\n return parseNDigits(token.length, dateString);\n }\n }\n\n validate(date, value) {\n const year = date.getFullYear();\n const isLeapYear = isLeapYearIndex(year);\n const month = date.getMonth();\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\n set(date, _flags, value) {\n date.setDate(value);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\n \"Y\",\n \"R\",\n \"q\",\n \"Q\",\n \"w\",\n \"I\",\n \"D\",\n \"i\",\n \"e\",\n \"c\",\n \"t\",\n \"T\",\n ];\n}\n","import { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport {\n isLeapYearIndex,\n parseNDigits,\n parseNumericPattern,\n} from \"../utils.js\";\n\nexport class DayOfYearParser extends Parser {\n priority = 90;\n\n subpriority = 1;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"D\":\n case \"DD\":\n return parseNumericPattern(numericPatterns.dayOfYear, dateString);\n case \"Do\":\n return match.ordinalNumber(dateString, { unit: \"date\" });\n default:\n return parseNDigits(token.length, dateString);\n }\n }\n\n validate(date, value) {\n const year = date.getFullYear();\n const isLeapYear = isLeapYearIndex(year);\n if (isLeapYear) {\n return value >= 1 && value <= 366;\n } else {\n return value >= 1 && value <= 365;\n }\n }\n\n set(date, _flags, value) {\n date.setMonth(0, value);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\n \"Y\",\n \"R\",\n \"q\",\n \"Q\",\n \"M\",\n \"L\",\n \"w\",\n \"I\",\n \"d\",\n \"E\",\n \"i\",\n \"e\",\n \"c\",\n \"t\",\n \"T\",\n ];\n}\n","import { constructFrom } from \"./constructFrom.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link addDays} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param amount - The amount of days to be added.\n * @param options - An object with options\n *\n * @returns The new date with the days added\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 */\nexport function addDays(date, amount, options) {\n const _date = toDate(date, options?.in);\n if (isNaN(amount)) return constructFrom(options?.in || date, NaN);\n\n // If 0 days, no-op to avoid changing times in the hour before end of DST\n if (!amount) return _date;\n\n _date.setDate(_date.getDate() + amount);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default addDays;\n","import { getDefaultOptions } from \"./_lib/defaultOptions.js\";\nimport { addDays } from \"./addDays.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link setDay} function options.\n */\n\n/**\n * @name setDay\n * @category Weekday Helpers\n * @summary Set the day of the week to the given date.\n *\n * @description\n * Set the day of the week to the given date.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param day - The day of the week of the new date\n * @param options - An object with options.\n *\n * @returns The new date with the day of the week set\n *\n * @example\n * // Set week day to Sunday, with the default weekStartsOn of Sunday:\n * const result = setDay(new Date(2014, 8, 1), 0)\n * //=> Sun Aug 31 2014 00:00:00\n *\n * @example\n * // Set week day to Sunday, with a weekStartsOn of Monday:\n * const result = setDay(new Date(2014, 8, 1), 0, { weekStartsOn: 1 })\n * //=> Sun Sep 07 2014 00:00:00\n */\nexport function setDay(date, day, options) {\n const defaultOptions = getDefaultOptions();\n const weekStartsOn =\n options?.weekStartsOn ??\n options?.locale?.options?.weekStartsOn ??\n defaultOptions.weekStartsOn ??\n defaultOptions.locale?.options?.weekStartsOn ??\n 0;\n\n const date_ = toDate(date, options?.in);\n const currentDay = date_.getDay();\n\n const remainder = day % 7;\n const dayIndex = (remainder + 7) % 7;\n\n const delta = 7 - weekStartsOn;\n const diff =\n day < 0 || day > 6\n ? day - ((currentDay + delta) % 7)\n : ((dayIndex + delta) % 7) - ((currentDay + delta) % 7);\n return addDays(date_, diff, options);\n}\n\n// Fallback for modularized imports:\nexport default setDay;\n","import { setDay } from \"../../../setDay.js\";\nimport { Parser } from \"../Parser.js\";\n\n// Day of week\nexport class DayParser extends Parser {\n priority = 90;\n\n parse(dateString, token, match) {\n switch (token) {\n // Tue\n case \"E\":\n case \"EE\":\n case \"EEE\":\n return (\n match.day(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.day(dateString, { width: \"short\", context: \"formatting\" }) ||\n match.day(dateString, { width: \"narrow\", context: \"formatting\" })\n );\n\n // T\n case \"EEEEE\":\n return match.day(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n });\n // Tu\n case \"EEEEEE\":\n return (\n match.day(dateString, { width: \"short\", context: \"formatting\" }) ||\n match.day(dateString, { width: \"narrow\", context: \"formatting\" })\n );\n\n // Tuesday\n case \"EEEE\":\n default:\n return (\n match.day(dateString, { width: \"wide\", context: \"formatting\" }) ||\n match.day(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.day(dateString, { width: \"short\", context: \"formatting\" }) ||\n match.day(dateString, { width: \"narrow\", context: \"formatting\" })\n );\n }\n }\n\n validate(_date, value) {\n return value >= 0 && value <= 6;\n }\n\n set(date, _flags, value, options) {\n date = setDay(date, value, options);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\"D\", \"i\", \"e\", \"c\", \"t\", \"T\"];\n}\n","import { setDay } from \"../../../setDay.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { mapValue, parseNDigits } from \"../utils.js\";\n\n// Local day of week\nexport class LocalDayParser extends Parser {\n priority = 90;\n parse(dateString, token, match, options) {\n const valueCallback = (value) => {\n // We want here floor instead of trunc, so we get -7 for value 0 instead of 0\n const 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\": // 03\n return mapValue(parseNDigits(token.length, dateString), valueCallback);\n // 3rd\n case \"eo\":\n return mapValue(\n match.ordinalNumber(dateString, {\n unit: \"day\",\n }),\n valueCallback,\n );\n // Tue\n case \"eee\":\n return (\n match.day(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.day(dateString, { width: \"short\", context: \"formatting\" }) ||\n match.day(dateString, { width: \"narrow\", context: \"formatting\" })\n );\n\n // T\n case \"eeeee\":\n return match.day(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n });\n // Tu\n case \"eeeeee\":\n return (\n match.day(dateString, { width: \"short\", context: \"formatting\" }) ||\n match.day(dateString, { width: \"narrow\", context: \"formatting\" })\n );\n\n // Tuesday\n case \"eeee\":\n default:\n return (\n match.day(dateString, { width: \"wide\", context: \"formatting\" }) ||\n match.day(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.day(dateString, { width: \"short\", context: \"formatting\" }) ||\n match.day(dateString, { width: \"narrow\", context: \"formatting\" })\n );\n }\n }\n\n validate(_date, value) {\n return value >= 0 && value <= 6;\n }\n\n set(date, _flags, value, options) {\n date = setDay(date, value, options);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\n \"y\",\n \"R\",\n \"u\",\n \"q\",\n \"Q\",\n \"M\",\n \"L\",\n \"I\",\n \"d\",\n \"D\",\n \"E\",\n \"i\",\n \"c\",\n \"t\",\n \"T\",\n ];\n}\n","import { setDay } from \"../../../setDay.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { mapValue, parseNDigits } from \"../utils.js\";\n\n// Stand-alone local day of week\nexport class StandAloneLocalDayParser extends Parser {\n priority = 90;\n\n parse(dateString, token, match, options) {\n const valueCallback = (value) => {\n // We want here floor instead of trunc, so we get -7 for value 0 instead of 0\n const 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\": // 03\n return mapValue(parseNDigits(token.length, dateString), valueCallback);\n // 3rd\n case \"co\":\n return mapValue(\n match.ordinalNumber(dateString, {\n unit: \"day\",\n }),\n valueCallback,\n );\n // Tue\n case \"ccc\":\n return (\n match.day(dateString, {\n width: \"abbreviated\",\n context: \"standalone\",\n }) ||\n match.day(dateString, { width: \"short\", context: \"standalone\" }) ||\n match.day(dateString, { width: \"narrow\", context: \"standalone\" })\n );\n\n // T\n case \"ccccc\":\n return match.day(dateString, {\n width: \"narrow\",\n context: \"standalone\",\n });\n // Tu\n case \"cccccc\":\n return (\n match.day(dateString, { width: \"short\", context: \"standalone\" }) ||\n match.day(dateString, { width: \"narrow\", context: \"standalone\" })\n );\n\n // Tuesday\n case \"cccc\":\n default:\n return (\n match.day(dateString, { width: \"wide\", context: \"standalone\" }) ||\n match.day(dateString, {\n width: \"abbreviated\",\n context: \"standalone\",\n }) ||\n match.day(dateString, { width: \"short\", context: \"standalone\" }) ||\n match.day(dateString, { width: \"narrow\", context: \"standalone\" })\n );\n }\n }\n\n validate(_date, value) {\n return value >= 0 && value <= 6;\n }\n\n set(date, _flags, value, options) {\n date = setDay(date, value, options);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\n \"y\",\n \"R\",\n \"u\",\n \"q\",\n \"Q\",\n \"M\",\n \"L\",\n \"I\",\n \"d\",\n \"D\",\n \"E\",\n \"i\",\n \"e\",\n \"t\",\n \"T\",\n ];\n}\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link getISODay} function options.\n */\n\n/**\n * @name getISODay\n * @category Weekday Helpers\n * @summary Get the day of the ISO week of the given date.\n *\n * @description\n * Get the day of the ISO week of the given date,\n * which is 7 for Sunday, 1 for Monday etc.\n *\n * ISO week-numbering year: http://en.wikipedia.org/wiki/ISO_week_date\n *\n * @param date - The given date\n * @param options - An object with options\n *\n * @returns The day of ISO week\n *\n * @example\n * // Which day of the ISO week is 26 February 2012?\n * const result = getISODay(new Date(2012, 1, 26))\n * //=> 7\n */\nexport function getISODay(date, options) {\n const day = toDate(date, options?.in).getDay();\n return day === 0 ? 7 : day;\n}\n\n// Fallback for modularized imports:\nexport default getISODay;\n","import { addDays } from \"./addDays.js\";\nimport { getISODay } from \"./getISODay.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link setISODay} function options.\n */\n\n/**\n * @name setISODay\n * @category Weekday Helpers\n * @summary Set the day of the ISO week to the given date.\n *\n * @description\n * Set the day of the ISO week to the given date.\n * ISO week starts with Monday.\n * 7 is the index of Sunday, 1 is the index of Monday, etc.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param day - The day of the ISO week of the new date\n * @param options - An object with options\n *\n * @returns The new date with the day of the ISO week set\n *\n * @example\n * // Set Sunday to 1 September 2014:\n * const result = setISODay(new Date(2014, 8, 1), 7)\n * //=> Sun Sep 07 2014 00:00:00\n */\nexport function setISODay(date, day, options) {\n const date_ = toDate(date, options?.in);\n const currentDay = getISODay(date_, options);\n const diff = day - currentDay;\n return addDays(date_, diff, options);\n}\n\n// Fallback for modularized imports:\nexport default setISODay;\n","import { setISODay } from \"../../../setISODay.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { mapValue, parseNDigits } from \"../utils.js\";\n\n// ISO day of week\nexport class ISODayParser extends Parser {\n priority = 90;\n\n parse(dateString, token, match) {\n const valueCallback = (value) => {\n if (value === 0) {\n return 7;\n }\n return value;\n };\n\n switch (token) {\n // 2\n case \"i\":\n case \"ii\": // 02\n return parseNDigits(token.length, dateString);\n // 2nd\n case \"io\":\n return match.ordinalNumber(dateString, { unit: \"day\" });\n // Tue\n case \"iii\":\n return mapValue(\n match.day(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.day(dateString, {\n width: \"short\",\n context: \"formatting\",\n }) ||\n match.day(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n }),\n valueCallback,\n );\n // T\n case \"iiiii\":\n return mapValue(\n match.day(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n }),\n valueCallback,\n );\n // Tu\n case \"iiiiii\":\n return mapValue(\n match.day(dateString, {\n width: \"short\",\n context: \"formatting\",\n }) ||\n match.day(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n }),\n valueCallback,\n );\n // Tuesday\n case \"iiii\":\n default:\n return mapValue(\n match.day(dateString, {\n width: \"wide\",\n context: \"formatting\",\n }) ||\n match.day(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.day(dateString, {\n width: \"short\",\n context: \"formatting\",\n }) ||\n match.day(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n }),\n valueCallback,\n );\n }\n }\n\n validate(_date, value) {\n return value >= 1 && value <= 7;\n }\n\n set(date, _flags, value) {\n date = setISODay(date, value);\n date.setHours(0, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\n \"y\",\n \"Y\",\n \"u\",\n \"q\",\n \"Q\",\n \"M\",\n \"L\",\n \"w\",\n \"d\",\n \"D\",\n \"E\",\n \"e\",\n \"c\",\n \"t\",\n \"T\",\n ];\n}\n","import { Parser } from \"../Parser.js\";\n\nimport { dayPeriodEnumToHours } from \"../utils.js\";\n\nexport class AMPMParser extends Parser {\n priority = 80;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"a\":\n case \"aa\":\n case \"aaa\":\n return (\n match.dayPeriod(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.dayPeriod(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n })\n );\n\n case \"aaaaa\":\n return match.dayPeriod(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n });\n case \"aaaa\":\n default:\n return (\n match.dayPeriod(dateString, {\n width: \"wide\",\n context: \"formatting\",\n }) ||\n match.dayPeriod(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.dayPeriod(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n })\n );\n }\n }\n\n set(date, _flags, value) {\n date.setHours(dayPeriodEnumToHours(value), 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\"b\", \"B\", \"H\", \"k\", \"t\", \"T\"];\n}\n","import { Parser } from \"../Parser.js\";\n\nimport { dayPeriodEnumToHours } from \"../utils.js\";\n\nexport class AMPMMidnightParser extends Parser {\n priority = 80;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"b\":\n case \"bb\":\n case \"bbb\":\n return (\n match.dayPeriod(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.dayPeriod(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n })\n );\n\n case \"bbbbb\":\n return match.dayPeriod(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n });\n case \"bbbb\":\n default:\n return (\n match.dayPeriod(dateString, {\n width: \"wide\",\n context: \"formatting\",\n }) ||\n match.dayPeriod(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.dayPeriod(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n })\n );\n }\n }\n\n set(date, _flags, value) {\n date.setHours(dayPeriodEnumToHours(value), 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\"a\", \"B\", \"H\", \"k\", \"t\", \"T\"];\n}\n","import { Parser } from \"../Parser.js\";\n\nimport { dayPeriodEnumToHours } from \"../utils.js\";\n\n// in the morning, in the afternoon, in the evening, at night\nexport class DayPeriodParser extends Parser {\n priority = 80;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"B\":\n case \"BB\":\n case \"BBB\":\n return (\n match.dayPeriod(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.dayPeriod(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n })\n );\n\n case \"BBBBB\":\n return match.dayPeriod(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n });\n case \"BBBB\":\n default:\n return (\n match.dayPeriod(dateString, {\n width: \"wide\",\n context: \"formatting\",\n }) ||\n match.dayPeriod(dateString, {\n width: \"abbreviated\",\n context: \"formatting\",\n }) ||\n match.dayPeriod(dateString, {\n width: \"narrow\",\n context: \"formatting\",\n })\n );\n }\n }\n\n set(date, _flags, value) {\n date.setHours(dayPeriodEnumToHours(value), 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\"a\", \"b\", \"t\", \"T\"];\n}\n","import { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseNDigits, parseNumericPattern } from \"../utils.js\";\n\nexport class Hour1to12Parser extends Parser {\n priority = 70;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"h\":\n return parseNumericPattern(numericPatterns.hour12h, dateString);\n case \"ho\":\n return match.ordinalNumber(dateString, { unit: \"hour\" });\n default:\n return parseNDigits(token.length, dateString);\n }\n }\n\n validate(_date, value) {\n return value >= 1 && value <= 12;\n }\n\n set(date, _flags, value) {\n const isPM = date.getHours() >= 12;\n if (isPM && value < 12) {\n date.setHours(value + 12, 0, 0, 0);\n } else if (!isPM && value === 12) {\n date.setHours(0, 0, 0, 0);\n } else {\n date.setHours(value, 0, 0, 0);\n }\n return date;\n }\n\n incompatibleTokens = [\"H\", \"K\", \"k\", \"t\", \"T\"];\n}\n","import { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseNDigits, parseNumericPattern } from \"../utils.js\";\n\nexport class Hour0to23Parser extends Parser {\n priority = 70;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"H\":\n return parseNumericPattern(numericPatterns.hour23h, dateString);\n case \"Ho\":\n return match.ordinalNumber(dateString, { unit: \"hour\" });\n default:\n return parseNDigits(token.length, dateString);\n }\n }\n\n validate(_date, value) {\n return value >= 0 && value <= 23;\n }\n\n set(date, _flags, value) {\n date.setHours(value, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\"a\", \"b\", \"h\", \"K\", \"k\", \"t\", \"T\"];\n}\n","import { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseNDigits, parseNumericPattern } from \"../utils.js\";\n\nexport class Hour0To11Parser extends Parser {\n priority = 70;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"K\":\n return parseNumericPattern(numericPatterns.hour11h, dateString);\n case \"Ko\":\n return match.ordinalNumber(dateString, { unit: \"hour\" });\n default:\n return parseNDigits(token.length, dateString);\n }\n }\n\n validate(_date, value) {\n return value >= 0 && value <= 11;\n }\n\n set(date, _flags, value) {\n const isPM = date.getHours() >= 12;\n if (isPM && value < 12) {\n date.setHours(value + 12, 0, 0, 0);\n } else {\n date.setHours(value, 0, 0, 0);\n }\n return date;\n }\n\n incompatibleTokens = [\"h\", \"H\", \"k\", \"t\", \"T\"];\n}\n","import { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseNDigits, parseNumericPattern } from \"../utils.js\";\n\nexport class Hour1To24Parser extends Parser {\n priority = 70;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"k\":\n return parseNumericPattern(numericPatterns.hour24h, dateString);\n case \"ko\":\n return match.ordinalNumber(dateString, { unit: \"hour\" });\n default:\n return parseNDigits(token.length, dateString);\n }\n }\n\n validate(_date, value) {\n return value >= 1 && value <= 24;\n }\n\n set(date, _flags, value) {\n const hours = value <= 24 ? value % 24 : value;\n date.setHours(hours, 0, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\"a\", \"b\", \"h\", \"H\", \"K\", \"t\", \"T\"];\n}\n","import { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseNDigits, parseNumericPattern } from \"../utils.js\";\n\nexport class MinuteParser extends Parser {\n priority = 60;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"m\":\n return parseNumericPattern(numericPatterns.minute, dateString);\n case \"mo\":\n return match.ordinalNumber(dateString, { unit: \"minute\" });\n default:\n return parseNDigits(token.length, dateString);\n }\n }\n\n validate(_date, value) {\n return value >= 0 && value <= 59;\n }\n\n set(date, _flags, value) {\n date.setMinutes(value, 0, 0);\n return date;\n }\n\n incompatibleTokens = [\"t\", \"T\"];\n}\n","import { numericPatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseNDigits, parseNumericPattern } from \"../utils.js\";\n\nexport class SecondParser extends Parser {\n priority = 50;\n\n parse(dateString, token, match) {\n switch (token) {\n case \"s\":\n return parseNumericPattern(numericPatterns.second, dateString);\n case \"so\":\n return match.ordinalNumber(dateString, { unit: \"second\" });\n default:\n return parseNDigits(token.length, dateString);\n }\n }\n\n validate(_date, value) {\n return value >= 0 && value <= 59;\n }\n\n set(date, _flags, value) {\n date.setSeconds(value, 0);\n return date;\n }\n\n incompatibleTokens = [\"t\", \"T\"];\n}\n","import { Parser } from \"../Parser.js\";\n\nimport { mapValue, parseNDigits } from \"../utils.js\";\n\nexport class FractionOfSecondParser extends Parser {\n priority = 30;\n\n parse(dateString, token) {\n const valueCallback = (value) =>\n Math.trunc(value * Math.pow(10, -token.length + 3));\n return mapValue(parseNDigits(token.length, dateString), valueCallback);\n }\n\n set(date, _flags, value) {\n date.setMilliseconds(value);\n return date;\n }\n\n incompatibleTokens = [\"t\", \"T\"];\n}\n","import { toDate } from \"../toDate.js\";\n\n/**\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 function getTimezoneOffsetInMilliseconds(date) {\n const _date = toDate(date);\n const utcDate = new Date(\n Date.UTC(\n _date.getFullYear(),\n _date.getMonth(),\n _date.getDate(),\n _date.getHours(),\n _date.getMinutes(),\n _date.getSeconds(),\n _date.getMilliseconds(),\n ),\n );\n utcDate.setUTCFullYear(_date.getFullYear());\n return +date - +utcDate;\n}\n","import { constructFrom } from \"../../../constructFrom.js\";\nimport { getTimezoneOffsetInMilliseconds } from \"../../../_lib/getTimezoneOffsetInMilliseconds.js\";\nimport { timezonePatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseTimezonePattern } from \"../utils.js\";\n\n// Timezone (ISO-8601. +00:00 is `'Z'`)\nexport class ISOTimezoneWithZParser extends Parser {\n priority = 10;\n\n parse(dateString, token) {\n switch (token) {\n case \"X\":\n return parseTimezonePattern(\n timezonePatterns.basicOptionalMinutes,\n dateString,\n );\n case \"XX\":\n return parseTimezonePattern(timezonePatterns.basic, dateString);\n case \"XXXX\":\n return parseTimezonePattern(\n timezonePatterns.basicOptionalSeconds,\n dateString,\n );\n case \"XXXXX\":\n return parseTimezonePattern(\n timezonePatterns.extendedOptionalSeconds,\n dateString,\n );\n case \"XXX\":\n default:\n return parseTimezonePattern(timezonePatterns.extended, dateString);\n }\n }\n\n set(date, flags, value) {\n if (flags.timestampIsSet) return date;\n return constructFrom(\n date,\n date.getTime() - getTimezoneOffsetInMilliseconds(date) - value,\n );\n }\n\n incompatibleTokens = [\"t\", \"T\", \"x\"];\n}\n","import { constructFrom } from \"../../../constructFrom.js\";\nimport { getTimezoneOffsetInMilliseconds } from \"../../../_lib/getTimezoneOffsetInMilliseconds.js\";\nimport { timezonePatterns } from \"../constants.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseTimezonePattern } from \"../utils.js\";\n\n// Timezone (ISO-8601)\nexport class ISOTimezoneParser extends Parser {\n priority = 10;\n\n parse(dateString, token) {\n switch (token) {\n case \"x\":\n return parseTimezonePattern(\n timezonePatterns.basicOptionalMinutes,\n dateString,\n );\n case \"xx\":\n return parseTimezonePattern(timezonePatterns.basic, dateString);\n case \"xxxx\":\n return parseTimezonePattern(\n timezonePatterns.basicOptionalSeconds,\n dateString,\n );\n case \"xxxxx\":\n return parseTimezonePattern(\n timezonePatterns.extendedOptionalSeconds,\n dateString,\n );\n case \"xxx\":\n default:\n return parseTimezonePattern(timezonePatterns.extended, dateString);\n }\n }\n\n set(date, flags, value) {\n if (flags.timestampIsSet) return date;\n return constructFrom(\n date,\n date.getTime() - getTimezoneOffsetInMilliseconds(date) - value,\n );\n }\n\n incompatibleTokens = [\"t\", \"T\", \"X\"];\n}\n","import { constructFrom } from \"../../../constructFrom.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseAnyDigitsSigned } from \"../utils.js\";\n\nexport class TimestampSecondsParser extends Parser {\n priority = 40;\n\n parse(dateString) {\n return parseAnyDigitsSigned(dateString);\n }\n\n set(date, _flags, value) {\n return [constructFrom(date, value * 1000), { timestampIsSet: true }];\n }\n\n incompatibleTokens = \"*\";\n}\n","import { constructFrom } from \"../../../constructFrom.js\";\nimport { Parser } from \"../Parser.js\";\n\nimport { parseAnyDigitsSigned } from \"../utils.js\";\n\nexport class TimestampMillisecondsParser extends Parser {\n priority = 20;\n\n parse(dateString) {\n return parseAnyDigitsSigned(dateString);\n }\n\n set(date, _flags, value) {\n return [constructFrom(date, value), { timestampIsSet: true }];\n }\n\n incompatibleTokens = \"*\";\n}\n","import { EraParser } from \"./parsers/EraParser.js\";\nimport { YearParser } from \"./parsers/YearParser.js\";\nimport { LocalWeekYearParser } from \"./parsers/LocalWeekYearParser.js\";\nimport { ISOWeekYearParser } from \"./parsers/ISOWeekYearParser.js\";\nimport { ExtendedYearParser } from \"./parsers/ExtendedYearParser.js\";\nimport { QuarterParser } from \"./parsers/QuarterParser.js\";\nimport { StandAloneQuarterParser } from \"./parsers/StandAloneQuarterParser.js\";\nimport { MonthParser } from \"./parsers/MonthParser.js\";\nimport { StandAloneMonthParser } from \"./parsers/StandAloneMonthParser.js\";\nimport { LocalWeekParser } from \"./parsers/LocalWeekParser.js\";\nimport { ISOWeekParser } from \"./parsers/ISOWeekParser.js\";\nimport { DateParser } from \"./parsers/DateParser.js\";\nimport { DayOfYearParser } from \"./parsers/DayOfYearParser.js\";\nimport { DayParser } from \"./parsers/DayParser.js\";\nimport { LocalDayParser } from \"./parsers/LocalDayParser.js\";\nimport { StandAloneLocalDayParser } from \"./parsers/StandAloneLocalDayParser.js\";\nimport { ISODayParser } from \"./parsers/ISODayParser.js\";\nimport { AMPMParser } from \"./parsers/AMPMParser.js\";\nimport { AMPMMidnightParser } from \"./parsers/AMPMMidnightParser.js\";\nimport { DayPeriodParser } from \"./parsers/DayPeriodParser.js\";\nimport { Hour1to12Parser } from \"./parsers/Hour1to12Parser.js\";\nimport { Hour0to23Parser } from \"./parsers/Hour0to23Parser.js\";\nimport { Hour0To11Parser } from \"./parsers/Hour0To11Parser.js\";\nimport { Hour1To24Parser } from \"./parsers/Hour1To24Parser.js\";\nimport { MinuteParser } from \"./parsers/MinuteParser.js\";\nimport { SecondParser } from \"./parsers/SecondParser.js\";\nimport { FractionOfSecondParser } from \"./parsers/FractionOfSecondParser.js\";\nimport { ISOTimezoneWithZParser } from \"./parsers/ISOTimezoneWithZParser.js\";\nimport { ISOTimezoneParser } from \"./parsers/ISOTimezoneParser.js\";\nimport { TimestampSecondsParser } from \"./parsers/TimestampSecondsParser.js\";\nimport { TimestampMillisecondsParser } from \"./parsers/TimestampMillisecondsParser.js\";\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 */\nexport const parsers = {\n G: new EraParser(),\n y: new YearParser(),\n Y: new LocalWeekYearParser(),\n R: new ISOWeekYearParser(),\n u: new ExtendedYearParser(),\n Q: new QuarterParser(),\n q: new StandAloneQuarterParser(),\n M: new MonthParser(),\n L: new StandAloneMonthParser(),\n w: new LocalWeekParser(),\n I: new ISOWeekParser(),\n d: new DateParser(),\n D: new DayOfYearParser(),\n E: new DayParser(),\n e: new LocalDayParser(),\n c: new StandAloneLocalDayParser(),\n i: new ISODayParser(),\n a: new AMPMParser(),\n b: new AMPMMidnightParser(),\n B: new DayPeriodParser(),\n h: new Hour1to12Parser(),\n H: new Hour0to23Parser(),\n K: new Hour0To11Parser(),\n k: new Hour1To24Parser(),\n m: new MinuteParser(),\n s: new SecondParser(),\n S: new FractionOfSecondParser(),\n X: new ISOTimezoneWithZParser(),\n x: new ISOTimezoneParser(),\n t: new TimestampSecondsParser(),\n T: new TimestampMillisecondsParser(),\n};\n","import { defaultLocale } from \"./_lib/defaultLocale.js\";\nimport { longFormatters } from \"./_lib/format/longFormatters.js\";\nimport {\n isProtectedDayOfYearToken,\n isProtectedWeekYearToken,\n warnOrThrowProtectedError,\n} from \"./_lib/protectedTokens.js\";\nimport { constructFrom } from \"./constructFrom.js\";\nimport { getDefaultOptions } from \"./getDefaultOptions.js\";\nimport { toDate } from \"./toDate.js\";\n\nimport { DateTimezoneSetter } from \"./parse/_lib/Setter.js\";\nimport { parsers } from \"./parse/_lib/parsers.js\";\n\n// Rexports of internal for libraries to use.\n// See: https://github.com/date-fns/date-fns/issues/3638#issuecomment-1877082874\nexport { longFormatters, parsers };\n\n/**\n * The {@link parse} function options.\n */\n\n// 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// - '(''|[^'])+('|$) matches anything surrounded by two quote characters ('),\n// except a single quote symbol, which ends the sequence.\n// Two quote characters do not end the sequence.\n// If there is no matching single quote\n// then the sequence will continue until the end of the string.\n// - . matches any single character unmatched by previous parts of the RegExps\nconst formattingTokensRegExp =\n /[yYQqMLwIdDecihHKkms]o|(\\w)\\1*|''|'(''|[^'])+('|$)|./g;\n\n// This RegExp catches symbols escaped by quotes, and also\n// sequences of symbols P, p, and the combinations like `PPPPPPPppppp`\nconst longFormattingTokensRegExp = /P+p+|P+|p+|''|'(''|[^'])+('|$)|./g;\n\nconst escapedStringRegExp = /^'([^]*?)'?$/;\nconst doubleQuoteRegExp = /''/g;\n\nconst notWhitespaceRegExp = /\\S/;\nconst unescapedLatinCharacterRegExp = /[a-zA-Z]/;\n\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://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\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, Sa, Su | |\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, Sa, Su | 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, Sa, Su | |\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, Sa, Su | |\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, 001, ..., 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 interchangeably.\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](https://date-fns.org/docs/setISOWeekYear)\n * and [setWeekYear](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://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n *\n * 7. `D` and `DD` tokens represent days of the year but they are often confused with days of the month.\n * You should enable `options.useAdditionalDayOfYearTokens` to use them. See: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param dateStr - The string to parse\n * @param formatStr - The string of tokens\n * @param referenceDate - defines values missing from the parsed dateString\n * @param options - An object with options.\n * see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n * see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n *\n * @returns The parsed date\n *\n * @throws `options.locale` must contain `match` property\n * @throws use `yyyy` instead of `YYYY` for formatting years using [format provided] to the input [input provided]; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n * @throws use `yy` instead of `YY` for formatting years using [format provided] to the input [input provided]; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n * @throws use `d` instead of `D` for formatting days of the month using [format provided] to the input [input provided]; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n * @throws use `dd` instead of `DD` for formatting days of the month using [format provided] to the input [input provided]; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n * @throws 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 */\nexport function parse(dateStr, formatStr, referenceDate, options) {\n const invalidDate = () => constructFrom(options?.in || referenceDate, NaN);\n const defaultOptions = getDefaultOptions();\n const locale = options?.locale ?? defaultOptions.locale ?? defaultLocale;\n\n const firstWeekContainsDate =\n options?.firstWeekContainsDate ??\n options?.locale?.options?.firstWeekContainsDate ??\n defaultOptions.firstWeekContainsDate ??\n defaultOptions.locale?.options?.firstWeekContainsDate ??\n 1;\n\n const weekStartsOn =\n options?.weekStartsOn ??\n options?.locale?.options?.weekStartsOn ??\n defaultOptions.weekStartsOn ??\n defaultOptions.locale?.options?.weekStartsOn ??\n 0;\n\n if (!formatStr)\n return dateStr ? invalidDate() : toDate(referenceDate, options?.in);\n\n const subFnOptions = {\n firstWeekContainsDate,\n weekStartsOn,\n locale,\n };\n\n // If timezone isn't specified, it will try to use the context or\n // the reference date and fallback to the system time zone.\n const setters = [new DateTimezoneSetter(options?.in, referenceDate)];\n\n const tokens = formatStr\n .match(longFormattingTokensRegExp)\n .map((substring) => {\n const firstCharacter = substring[0];\n if (firstCharacter in longFormatters) {\n const longFormatter = longFormatters[firstCharacter];\n return longFormatter(substring, locale.formatLong);\n }\n return substring;\n })\n .join(\"\")\n .match(formattingTokensRegExp);\n\n const usedTokens = [];\n\n for (let token of tokens) {\n if (\n !options?.useAdditionalWeekYearTokens &&\n isProtectedWeekYearToken(token)\n ) {\n warnOrThrowProtectedError(token, formatStr, dateStr);\n }\n if (\n !options?.useAdditionalDayOfYearTokens &&\n isProtectedDayOfYearToken(token)\n ) {\n warnOrThrowProtectedError(token, formatStr, dateStr);\n }\n\n const firstCharacter = token[0];\n const parser = parsers[firstCharacter];\n if (parser) {\n const { incompatibleTokens } = parser;\n if (Array.isArray(incompatibleTokens)) {\n const incompatibleToken = usedTokens.find(\n (usedToken) =>\n incompatibleTokens.includes(usedToken.token) ||\n usedToken.token === firstCharacter,\n );\n if (incompatibleToken) {\n throw new RangeError(\n `The format string mustn't contain \\`${incompatibleToken.fullToken}\\` and \\`${token}\\` at the same time`,\n );\n }\n } else if (parser.incompatibleTokens === \"*\" && usedTokens.length > 0) {\n throw new RangeError(\n `The format string mustn't contain \\`${token}\\` and any other token at the same time`,\n );\n }\n\n usedTokens.push({ token: firstCharacter, fullToken: token });\n\n const parseResult = parser.run(\n dateStr,\n token,\n locale.match,\n subFnOptions,\n );\n\n if (!parseResult) {\n return invalidDate();\n }\n\n setters.push(parseResult.setter);\n\n dateStr = parseResult.rest;\n } else {\n if (firstCharacter.match(unescapedLatinCharacterRegExp)) {\n throw new RangeError(\n \"Format string contains an unescaped latin alphabet character `\" +\n firstCharacter +\n \"`\",\n );\n }\n\n // Replace two single quote characters with one single quote character\n if (token === \"''\") {\n token = \"'\";\n } else if (firstCharacter === \"'\") {\n token = cleanEscapedString(token);\n }\n\n // Cut token from string, or, if string doesn't match the token, return Invalid Date\n if (dateStr.indexOf(token) === 0) {\n dateStr = dateStr.slice(token.length);\n } else {\n return invalidDate();\n }\n }\n }\n\n // Check if the remaining input contains something other than whitespace\n if (dateStr.length > 0 && notWhitespaceRegExp.test(dateStr)) {\n return invalidDate();\n }\n\n const uniquePrioritySetters = setters\n .map((setter) => setter.priority)\n .sort((a, b) => b - a)\n .filter((priority, index, array) => array.indexOf(priority) === index)\n .map((priority) =>\n setters\n .filter((setter) => setter.priority === priority)\n .sort((a, b) => b.subPriority - a.subPriority),\n )\n .map((setterArray) => setterArray[0]);\n\n let date = toDate(referenceDate, options?.in);\n\n if (isNaN(+date)) return invalidDate();\n\n const flags = {};\n for (const setter of uniquePrioritySetters) {\n if (!setter.validate(date, subFnOptions)) {\n return invalidDate();\n }\n\n const result = setter.set(date, flags, subFnOptions);\n // Result is tuple (date, flags)\n if (Array.isArray(result)) {\n date = result[0];\n Object.assign(flags, result[1]);\n // Result is date\n } else {\n date = result;\n }\n }\n\n return date;\n}\n\nfunction cleanEscapedString(input) {\n return input.match(escapedStringRegExp)[1].replace(doubleQuoteRegExp, \"'\");\n}\n\n// Fallback for modularized imports:\nexport default parse;\n","import {\n millisecondsInHour,\n millisecondsInMinute,\n} from \"./constants.js\";\nimport { constructFrom } from \"./constructFrom.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link parseISO} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param argument - The value to convert\n * @param options - An object with options\n *\n * @returns The parsed date in the local time zone\n *\n * @example\n * // Convert string '2014-02-11T11:30:30' to date:\n * const 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 * const result = parseISO('+02014101', { additionalDigits: 1 })\n * //=> Fri Apr 11 2014 00:00:00\n */\nexport function parseISO(argument, options) {\n const invalidDate = () => constructFrom(options?.in, NaN);\n\n const additionalDigits = options?.additionalDigits ?? 2;\n const dateStrings = splitDateString(argument);\n\n let date;\n if (dateStrings.date) {\n const parseYearResult = parseYear(dateStrings.date, additionalDigits);\n date = parseDate(parseYearResult.restDateString, parseYearResult.year);\n }\n\n if (!date || isNaN(+date)) return invalidDate();\n\n const timestamp = +date;\n let time = 0;\n let offset;\n\n if (dateStrings.time) {\n time = parseTime(dateStrings.time);\n if (isNaN(time)) return invalidDate();\n }\n\n if (dateStrings.timezone) {\n offset = parseTimezone(dateStrings.timezone);\n if (isNaN(offset)) return invalidDate();\n } else {\n const tmpDate = new Date(timestamp + time);\n const result = toDate(0, options?.in);\n result.setFullYear(\n tmpDate.getUTCFullYear(),\n tmpDate.getUTCMonth(),\n tmpDate.getUTCDate(),\n );\n result.setHours(\n tmpDate.getUTCHours(),\n tmpDate.getUTCMinutes(),\n tmpDate.getUTCSeconds(),\n tmpDate.getUTCMilliseconds(),\n );\n return result;\n }\n\n return toDate(timestamp + time + offset, options?.in);\n}\n\nconst patterns = {\n dateTimeDelimiter: /[T ]/,\n timeZoneDelimiter: /[Z ]/i,\n timezone: /([Z+-].*)$/,\n};\n\nconst dateRegex =\n /^-?(?:(\\d{3})|(\\d{2})(?:-?(\\d{2}))?|W(\\d{2})(?:-?(\\d{1}))?|)$/;\nconst timeRegex =\n /^(\\d{2}(?:[.,]\\d*)?)(?::?(\\d{2}(?:[.,]\\d*)?))?(?::?(\\d{2}(?:[.,]\\d*)?))?$/;\nconst timezoneRegex = /^([+-])(\\d{2})(?::?(\\d{2}))?$/;\n\nfunction splitDateString(dateString) {\n const dateStrings = {};\n const array = dateString.split(patterns.dateTimeDelimiter);\n let timeString;\n\n // The regex match should only return at maximum two array elements.\n // [date], [time], or [date, time].\n if (array.length > 2) {\n return dateStrings;\n }\n\n if (/:/.test(array[0])) {\n timeString = array[0];\n } else {\n dateStrings.date = array[0];\n timeString = array[1];\n if (patterns.timeZoneDelimiter.test(dateStrings.date)) {\n dateStrings.date = dateString.split(patterns.timeZoneDelimiter)[0];\n timeString = dateString.substr(\n dateStrings.date.length,\n dateString.length,\n );\n }\n }\n\n if (timeString) {\n const token = patterns.timezone.exec(timeString);\n if (token) {\n dateStrings.time = timeString.replace(token[1], \"\");\n dateStrings.timezone = token[1];\n } else {\n dateStrings.time = timeString;\n }\n }\n\n return dateStrings;\n}\n\nfunction parseYear(dateString, additionalDigits) {\n const regex = new RegExp(\n \"^(?:(\\\\d{4}|[+-]\\\\d{\" +\n (4 + additionalDigits) +\n \"})|(\\\\d{2}|[+-]\\\\d{\" +\n (2 + additionalDigits) +\n \"})$)\",\n );\n\n const captures = dateString.match(regex);\n // Invalid ISO-formatted year\n if (!captures) return { year: NaN, restDateString: \"\" };\n\n const year = captures[1] ? parseInt(captures[1]) : null;\n const century = captures[2] ? parseInt(captures[2]) : null;\n\n // either year or century is null, not both\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 new Date(NaN);\n\n const captures = dateString.match(dateRegex);\n // Invalid ISO-formatted string\n if (!captures) return new Date(NaN);\n\n const isWeekDate = !!captures[4];\n const dayOfYear = parseDateUnit(captures[1]);\n const month = parseDateUnit(captures[2]) - 1;\n const day = parseDateUnit(captures[3]);\n const week = parseDateUnit(captures[4]);\n const dayOfWeek = parseDateUnit(captures[5]) - 1;\n\n if (isWeekDate) {\n if (!validateWeekDate(year, week, dayOfWeek)) {\n return new Date(NaN);\n }\n return dayOfISOWeekYear(year, week, dayOfWeek);\n } else {\n const date = new Date(0);\n if (\n !validateDate(year, month, day) ||\n !validateDayOfYearDate(year, dayOfYear)\n ) {\n return new Date(NaN);\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 const captures = timeString.match(timeRegex);\n if (!captures) return NaN; // Invalid ISO-formatted time\n\n const hours = parseTimeUnit(captures[1]);\n const minutes = parseTimeUnit(captures[2]);\n const seconds = parseTimeUnit(captures[3]);\n\n if (!validateTime(hours, minutes, seconds)) {\n return NaN;\n }\n\n return (\n hours * millisecondsInHour + minutes * millisecondsInMinute + seconds * 1000\n );\n}\n\nfunction parseTimeUnit(value) {\n return (value && parseFloat(value.replace(\",\", \".\"))) || 0;\n}\n\nfunction parseTimezone(timezoneString) {\n if (timezoneString === \"Z\") return 0;\n\n const captures = timezoneString.match(timezoneRegex);\n if (!captures) return 0;\n\n const sign = captures[1] === \"+\" ? -1 : 1;\n const hours = parseInt(captures[2]);\n const minutes = (captures[3] && parseInt(captures[3])) || 0;\n\n if (!validateTimezone(hours, minutes)) {\n return NaN;\n }\n\n return sign * (hours * millisecondsInHour + minutes * millisecondsInMinute);\n}\n\nfunction dayOfISOWeekYear(isoWeekYear, week, day) {\n const date = new Date(0);\n date.setUTCFullYear(isoWeekYear, 0, 4);\n const fourthOfJanuaryDay = date.getUTCDay() || 7;\n const diff = (week - 1) * 7 + day + 1 - fourthOfJanuaryDay;\n date.setUTCDate(date.getUTCDate() + diff);\n return date;\n}\n\n// Validation functions\n\n// February is null to handle the leap year (using ||)\nconst 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 !== 0);\n}\n\nfunction validateDate(year, month, date) {\n return (\n month >= 0 &&\n month <= 11 &&\n date >= 1 &&\n date <= (daysInMonths[month] || (isLeapYearIndex(year) ? 29 : 28))\n );\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 (\n seconds >= 0 &&\n seconds < 60 &&\n minutes >= 0 &&\n minutes < 60 &&\n hours >= 0 &&\n hours < 25\n );\n}\n\nfunction validateTimezone(_hours, minutes) {\n return minutes >= 0 && minutes <= 59;\n}\n\n// Fallback for modularized imports:\nexport default parseISO;\n","/**\n * @name isDate\n * @category Common Helpers\n * @summary Is the given value a date?\n *\n * @description\n * Returns true if the given value is an instance of Date. The function works for dates transferred across iframes.\n *\n * @param value - The value to check\n *\n * @returns True if the given value is a date\n *\n * @example\n * // For a valid date:\n * const result = isDate(new Date())\n * //=> true\n *\n * @example\n * // For an invalid date:\n * const result = isDate(new Date(NaN))\n * //=> true\n *\n * @example\n * // For some value:\n * const result = isDate('2014-02-31')\n * //=> false\n *\n * @example\n * // For an object:\n * const result = isDate({})\n * //=> false\n */\nexport function isDate(value) {\n return (\n value instanceof Date ||\n (typeof value === \"object\" &&\n Object.prototype.toString.call(value) === \"[object Date]\")\n );\n}\n\n// Fallback for modularized imports:\nexport default isDate;\n","import { isDate } from \"./isDate.js\";\nimport { toDate } from \"./toDate.js\";\n\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](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 * @param date - The date to check\n *\n * @returns The date is valid\n *\n * @example\n * // For the valid date:\n * const result = isValid(new Date(2014, 1, 31))\n * //=> true\n *\n * @example\n * // For the value, convertible into a date:\n * const result = isValid(1393804800000)\n * //=> true\n *\n * @example\n * // For the invalid date:\n * const result = isValid(new Date(''))\n * //=> false\n */\nexport function isValid(date) {\n return !((!isDate(date) && typeof date !== \"number\") || isNaN(+toDate(date)));\n}\n\n// Fallback for modularized imports:\nexport default isValid;\n","import { constructFrom } from \"../constructFrom.js\";\n\nexport function normalizeDates(context, ...dates) {\n const normalize = constructFrom.bind(\n null,\n context || dates.find((date) => typeof date === \"object\"),\n );\n return dates.map(normalize);\n}\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link startOfDay} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - The options\n *\n * @returns The start of a day\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 */\nexport function startOfDay(date, options) {\n const _date = toDate(date, options?.in);\n _date.setHours(0, 0, 0, 0);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default startOfDay;\n","import { getTimezoneOffsetInMilliseconds } from \"./_lib/getTimezoneOffsetInMilliseconds.js\";\nimport { normalizeDates } from \"./_lib/normalizeDates.js\";\nimport { millisecondsInDay } from \"./constants.js\";\nimport { startOfDay } from \"./startOfDay.js\";\n\n/**\n * The {@link differenceInCalendarDays} function options.\n */\n\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 * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - The options object\n *\n * @returns The number of calendar days\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 */\nexport function differenceInCalendarDays(laterDate, earlierDate, options) {\n const [laterDate_, earlierDate_] = normalizeDates(\n options?.in,\n laterDate,\n earlierDate,\n );\n\n const laterStartOfDay = startOfDay(laterDate_);\n const earlierStartOfDay = startOfDay(earlierDate_);\n\n const laterTimestamp =\n +laterStartOfDay - getTimezoneOffsetInMilliseconds(laterStartOfDay);\n const earlierTimestamp =\n +earlierStartOfDay - getTimezoneOffsetInMilliseconds(earlierStartOfDay);\n\n // Round the number of days to the nearest integer because the number of\n // milliseconds in a day is not constant (e.g. it's different in the week of\n // the daylight saving time clock shift).\n return Math.round((laterTimestamp - earlierTimestamp) / millisecondsInDay);\n}\n\n// Fallback for modularized imports:\nexport default differenceInCalendarDays;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link startOfYear} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - The options\n *\n * @returns The start of a year\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 */\nexport function startOfYear(date, options) {\n const date_ = toDate(date, options?.in);\n date_.setFullYear(date_.getFullYear(), 0, 1);\n date_.setHours(0, 0, 0, 0);\n return date_;\n}\n\n// Fallback for modularized imports:\nexport default startOfYear;\n","import { differenceInCalendarDays } from \"./differenceInCalendarDays.js\";\nimport { startOfYear } from \"./startOfYear.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link getDayOfYear} function options.\n */\n\n/**\n * @name getDayOfYear\n * @category Day Helpers\n * @summary Get the day of the year of the given date.\n *\n * @description\n * Get the day of the year of the given date.\n *\n * @param date - The given date\n * @param options - The options\n *\n * @returns The day of year\n *\n * @example\n * // Which day of the year is 2 July 2014?\n * const result = getDayOfYear(new Date(2014, 6, 2))\n * //=> 183\n */\nexport function getDayOfYear(date, options) {\n const _date = toDate(date, options?.in);\n const diff = differenceInCalendarDays(_date, startOfYear(_date));\n const dayOfYear = diff + 1;\n return dayOfYear;\n}\n\n// Fallback for modularized imports:\nexport default getDayOfYear;\n","export function addLeadingZeros(number, targetLength) {\n const sign = number < 0 ? \"-\" : \"\";\n const output = Math.abs(number).toString().padStart(targetLength, \"0\");\n return sign + output;\n}\n","import { addLeadingZeros } from \"../addLeadingZeros.js\";\n\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\nexport const lightFormatters = {\n // Year\n 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\n const signedYear = date.getFullYear();\n // Returns 1 for 1 BC (which is year 0 in JavaScript)\n const year = signedYear > 0 ? signedYear : 1 - signedYear;\n return addLeadingZeros(token === \"yy\" ? year % 100 : year, token.length);\n },\n\n // Month\n M(date, token) {\n const month = date.getMonth();\n return token === \"M\" ? String(month + 1) : addLeadingZeros(month + 1, 2);\n },\n\n // Day of the month\n d(date, token) {\n return addLeadingZeros(date.getDate(), token.length);\n },\n\n // AM or PM\n a(date, token) {\n const dayPeriodEnumValue = date.getHours() / 12 >= 1 ? \"pm\" : \"am\";\n\n switch (token) {\n case \"a\":\n case \"aa\":\n return dayPeriodEnumValue.toUpperCase();\n case \"aaa\":\n return dayPeriodEnumValue;\n case \"aaaaa\":\n return dayPeriodEnumValue[0];\n case \"aaaa\":\n default:\n return dayPeriodEnumValue === \"am\" ? \"a.m.\" : \"p.m.\";\n }\n },\n\n // Hour [1-12]\n h(date, token) {\n return addLeadingZeros(date.getHours() % 12 || 12, token.length);\n },\n\n // Hour [0-23]\n H(date, token) {\n return addLeadingZeros(date.getHours(), token.length);\n },\n\n // Minute\n m(date, token) {\n return addLeadingZeros(date.getMinutes(), token.length);\n },\n\n // Second\n s(date, token) {\n return addLeadingZeros(date.getSeconds(), token.length);\n },\n\n // Fraction of second\n S(date, token) {\n const numberOfDigits = token.length;\n const milliseconds = date.getMilliseconds();\n const fractionalSeconds = Math.trunc(\n milliseconds * Math.pow(10, numberOfDigits - 3),\n );\n return addLeadingZeros(fractionalSeconds, token.length);\n },\n};\n","import { getDayOfYear } from \"../../getDayOfYear.js\";\nimport { getISOWeek } from \"../../getISOWeek.js\";\nimport { getISOWeekYear } from \"../../getISOWeekYear.js\";\nimport { getWeek } from \"../../getWeek.js\";\nimport { getWeekYear } from \"../../getWeekYear.js\";\n\nimport { addLeadingZeros } from \"../addLeadingZeros.js\";\nimport { lightFormatters } from \"./lightFormatters.js\";\n\nconst 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/*\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\nexport const formatters = {\n // Era\n G: function (date, token, localize) {\n const era = date.getFullYear() > 0 ? 1 : 0;\n switch (token) {\n // AD, BC\n case \"G\":\n case \"GG\":\n case \"GGG\":\n return localize.era(era, { width: \"abbreviated\" });\n // A, B\n case \"GGGGG\":\n return localize.era(era, { width: \"narrow\" });\n // Anno Domini, Before Christ\n case \"GGGG\":\n default:\n return localize.era(era, { width: \"wide\" });\n }\n },\n\n // Year\n y: function (date, token, localize) {\n // Ordinal number\n if (token === \"yo\") {\n const signedYear = date.getFullYear();\n // Returns 1 for 1 BC (which is year 0 in JavaScript)\n const year = signedYear > 0 ? signedYear : 1 - signedYear;\n return localize.ordinalNumber(year, { unit: \"year\" });\n }\n\n return lightFormatters.y(date, token);\n },\n\n // Local week-numbering year\n Y: function (date, token, localize, options) {\n const signedWeekYear = getWeekYear(date, options);\n // Returns 1 for 1 BC (which is year 0 in JavaScript)\n const weekYear = signedWeekYear > 0 ? signedWeekYear : 1 - signedWeekYear;\n\n // Two digit year\n if (token === \"YY\") {\n const twoDigitYear = weekYear % 100;\n return addLeadingZeros(twoDigitYear, 2);\n }\n\n // Ordinal number\n if (token === \"Yo\") {\n return localize.ordinalNumber(weekYear, { unit: \"year\" });\n }\n\n // Padding\n return addLeadingZeros(weekYear, token.length);\n },\n\n // ISO week-numbering year\n R: function (date, token) {\n const isoWeekYear = getISOWeekYear(date);\n\n // Padding\n return addLeadingZeros(isoWeekYear, token.length);\n },\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 (date, token) {\n const year = date.getFullYear();\n return addLeadingZeros(year, token.length);\n },\n\n // Quarter\n Q: function (date, token, localize) {\n const quarter = Math.ceil((date.getMonth() + 1) / 3);\n switch (token) {\n // 1, 2, 3, 4\n case \"Q\":\n return String(quarter);\n // 01, 02, 03, 04\n case \"QQ\":\n return addLeadingZeros(quarter, 2);\n // 1st, 2nd, 3rd, 4th\n case \"Qo\":\n return localize.ordinalNumber(quarter, { unit: \"quarter\" });\n // Q1, Q2, Q3, Q4\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 case \"QQQQQ\":\n return localize.quarter(quarter, {\n width: \"narrow\",\n context: \"formatting\",\n });\n // 1st quarter, 2nd quarter, ...\n case \"QQQQ\":\n default:\n return localize.quarter(quarter, {\n width: \"wide\",\n context: \"formatting\",\n });\n }\n },\n\n // Stand-alone quarter\n q: function (date, token, localize) {\n const quarter = Math.ceil((date.getMonth() + 1) / 3);\n switch (token) {\n // 1, 2, 3, 4\n case \"q\":\n return String(quarter);\n // 01, 02, 03, 04\n case \"qq\":\n return addLeadingZeros(quarter, 2);\n // 1st, 2nd, 3rd, 4th\n case \"qo\":\n return localize.ordinalNumber(quarter, { unit: \"quarter\" });\n // Q1, Q2, Q3, Q4\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 case \"qqqqq\":\n return localize.quarter(quarter, {\n width: \"narrow\",\n context: \"standalone\",\n });\n // 1st quarter, 2nd quarter, ...\n case \"qqqq\":\n default:\n return localize.quarter(quarter, {\n width: \"wide\",\n context: \"standalone\",\n });\n }\n },\n\n // Month\n M: function (date, token, localize) {\n const month = date.getMonth();\n switch (token) {\n case \"M\":\n case \"MM\":\n return lightFormatters.M(date, token);\n // 1st, 2nd, ..., 12th\n case \"Mo\":\n return localize.ordinalNumber(month + 1, { unit: \"month\" });\n // Jan, Feb, ..., Dec\n case \"MMM\":\n return localize.month(month, {\n width: \"abbreviated\",\n context: \"formatting\",\n });\n // J, F, ..., D\n case \"MMMMM\":\n return localize.month(month, {\n width: \"narrow\",\n context: \"formatting\",\n });\n // January, February, ..., December\n case \"MMMM\":\n default:\n return localize.month(month, { width: \"wide\", context: \"formatting\" });\n }\n },\n\n // Stand-alone month\n L: function (date, token, localize) {\n const month = date.getMonth();\n switch (token) {\n // 1, 2, ..., 12\n case \"L\":\n return String(month + 1);\n // 01, 02, ..., 12\n case \"LL\":\n return addLeadingZeros(month + 1, 2);\n // 1st, 2nd, ..., 12th\n case \"Lo\":\n return localize.ordinalNumber(month + 1, { unit: \"month\" });\n // Jan, Feb, ..., Dec\n case \"LLL\":\n return localize.month(month, {\n width: \"abbreviated\",\n context: \"standalone\",\n });\n // J, F, ..., D\n case \"LLLLL\":\n return localize.month(month, {\n width: \"narrow\",\n context: \"standalone\",\n });\n // January, February, ..., December\n case \"LLLL\":\n default:\n return localize.month(month, { width: \"wide\", context: \"standalone\" });\n }\n },\n\n // Local week of year\n w: function (date, token, localize, options) {\n const week = getWeek(date, options);\n\n if (token === \"wo\") {\n return localize.ordinalNumber(week, { unit: \"week\" });\n }\n\n return addLeadingZeros(week, token.length);\n },\n\n // ISO week of year\n I: function (date, token, localize) {\n const isoWeek = getISOWeek(date);\n\n if (token === \"Io\") {\n return localize.ordinalNumber(isoWeek, { unit: \"week\" });\n }\n\n return addLeadingZeros(isoWeek, token.length);\n },\n\n // Day of the month\n d: function (date, token, localize) {\n if (token === \"do\") {\n return localize.ordinalNumber(date.getDate(), { unit: \"date\" });\n }\n\n return lightFormatters.d(date, token);\n },\n\n // Day of year\n D: function (date, token, localize) {\n const dayOfYear = getDayOfYear(date);\n\n if (token === \"Do\") {\n return localize.ordinalNumber(dayOfYear, { unit: \"dayOfYear\" });\n }\n\n return addLeadingZeros(dayOfYear, token.length);\n },\n\n // Day of week\n E: function (date, token, localize) {\n const dayOfWeek = date.getDay();\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 case \"EEEEE\":\n return localize.day(dayOfWeek, {\n width: \"narrow\",\n context: \"formatting\",\n });\n // Tu\n case \"EEEEEE\":\n return localize.day(dayOfWeek, {\n width: \"short\",\n context: \"formatting\",\n });\n // Tuesday\n case \"EEEE\":\n default:\n return localize.day(dayOfWeek, {\n width: \"wide\",\n context: \"formatting\",\n });\n }\n },\n\n // Local day of week\n e: function (date, token, localize, options) {\n const dayOfWeek = date.getDay();\n const localDayOfWeek = (dayOfWeek - options.weekStartsOn + 8) % 7 || 7;\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 case \"ee\":\n return addLeadingZeros(localDayOfWeek, 2);\n // 1st, 2nd, ..., 7th\n case \"eo\":\n return localize.ordinalNumber(localDayOfWeek, { unit: \"day\" });\n case \"eee\":\n return localize.day(dayOfWeek, {\n width: \"abbreviated\",\n context: \"formatting\",\n });\n // T\n case \"eeeee\":\n return localize.day(dayOfWeek, {\n width: \"narrow\",\n context: \"formatting\",\n });\n // Tu\n case \"eeeeee\":\n return localize.day(dayOfWeek, {\n width: \"short\",\n context: \"formatting\",\n });\n // Tuesday\n case \"eeee\":\n default:\n return localize.day(dayOfWeek, {\n width: \"wide\",\n context: \"formatting\",\n });\n }\n },\n\n // Stand-alone local day of week\n c: function (date, token, localize, options) {\n const dayOfWeek = date.getDay();\n const localDayOfWeek = (dayOfWeek - options.weekStartsOn + 8) % 7 || 7;\n switch (token) {\n // Numerical value (same as in `e`)\n case \"c\":\n return String(localDayOfWeek);\n // Padded numerical value\n case \"cc\":\n return addLeadingZeros(localDayOfWeek, token.length);\n // 1st, 2nd, ..., 7th\n case \"co\":\n return localize.ordinalNumber(localDayOfWeek, { unit: \"day\" });\n case \"ccc\":\n return localize.day(dayOfWeek, {\n width: \"abbreviated\",\n context: \"standalone\",\n });\n // T\n case \"ccccc\":\n return localize.day(dayOfWeek, {\n width: \"narrow\",\n context: \"standalone\",\n });\n // Tu\n case \"cccccc\":\n return localize.day(dayOfWeek, {\n width: \"short\",\n context: \"standalone\",\n });\n // Tuesday\n case \"cccc\":\n default:\n return localize.day(dayOfWeek, {\n width: \"wide\",\n context: \"standalone\",\n });\n }\n },\n\n // ISO day of week\n i: function (date, token, localize) {\n const dayOfWeek = date.getDay();\n const isoDayOfWeek = dayOfWeek === 0 ? 7 : dayOfWeek;\n switch (token) {\n // 2\n case \"i\":\n return String(isoDayOfWeek);\n // 02\n case \"ii\":\n return addLeadingZeros(isoDayOfWeek, token.length);\n // 2nd\n case \"io\":\n return localize.ordinalNumber(isoDayOfWeek, { unit: \"day\" });\n // Tue\n case \"iii\":\n return localize.day(dayOfWeek, {\n width: \"abbreviated\",\n context: \"formatting\",\n });\n // T\n case \"iiiii\":\n return localize.day(dayOfWeek, {\n width: \"narrow\",\n context: \"formatting\",\n });\n // Tu\n case \"iiiiii\":\n return localize.day(dayOfWeek, {\n width: \"short\",\n context: \"formatting\",\n });\n // Tuesday\n case \"iiii\":\n default:\n return localize.day(dayOfWeek, {\n width: \"wide\",\n context: \"formatting\",\n });\n }\n },\n\n // AM or PM\n a: function (date, token, localize) {\n const hours = date.getHours();\n const 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 case \"aaa\":\n return localize\n .dayPeriod(dayPeriodEnumValue, {\n width: \"abbreviated\",\n context: \"formatting\",\n })\n .toLowerCase();\n case \"aaaaa\":\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: \"narrow\",\n context: \"formatting\",\n });\n case \"aaaa\":\n default:\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: \"wide\",\n context: \"formatting\",\n });\n }\n },\n\n // AM, PM, midnight, noon\n b: function (date, token, localize) {\n const hours = date.getHours();\n let dayPeriodEnumValue;\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 case \"bbb\":\n return localize\n .dayPeriod(dayPeriodEnumValue, {\n width: \"abbreviated\",\n context: \"formatting\",\n })\n .toLowerCase();\n case \"bbbbb\":\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: \"narrow\",\n context: \"formatting\",\n });\n case \"bbbb\":\n default:\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: \"wide\",\n context: \"formatting\",\n });\n }\n },\n\n // in the morning, in the afternoon, in the evening, at night\n B: function (date, token, localize) {\n const hours = date.getHours();\n let dayPeriodEnumValue;\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 case \"BBBBB\":\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: \"narrow\",\n context: \"formatting\",\n });\n case \"BBBB\":\n default:\n return localize.dayPeriod(dayPeriodEnumValue, {\n width: \"wide\",\n context: \"formatting\",\n });\n }\n },\n\n // Hour [1-12]\n h: function (date, token, localize) {\n if (token === \"ho\") {\n let hours = date.getHours() % 12;\n if (hours === 0) hours = 12;\n return localize.ordinalNumber(hours, { unit: \"hour\" });\n }\n\n return lightFormatters.h(date, token);\n },\n\n // Hour [0-23]\n H: function (date, token, localize) {\n if (token === \"Ho\") {\n return localize.ordinalNumber(date.getHours(), { unit: \"hour\" });\n }\n\n return lightFormatters.H(date, token);\n },\n\n // Hour [0-11]\n K: function (date, token, localize) {\n const hours = date.getHours() % 12;\n\n if (token === \"Ko\") {\n return localize.ordinalNumber(hours, { unit: \"hour\" });\n }\n\n return addLeadingZeros(hours, token.length);\n },\n\n // Hour [1-24]\n k: function (date, token, localize) {\n let hours = date.getHours();\n if (hours === 0) hours = 24;\n\n if (token === \"ko\") {\n return localize.ordinalNumber(hours, { unit: \"hour\" });\n }\n\n return addLeadingZeros(hours, token.length);\n },\n\n // Minute\n m: function (date, token, localize) {\n if (token === \"mo\") {\n return localize.ordinalNumber(date.getMinutes(), { unit: \"minute\" });\n }\n\n return lightFormatters.m(date, token);\n },\n\n // Second\n s: function (date, token, localize) {\n if (token === \"so\") {\n return localize.ordinalNumber(date.getSeconds(), { unit: \"second\" });\n }\n\n return lightFormatters.s(date, token);\n },\n\n // Fraction of second\n S: function (date, token) {\n return lightFormatters.S(date, token);\n },\n\n // Timezone (ISO-8601. If offset is 0, output is always `'Z'`)\n X: function (date, token, _localize) {\n const timezoneOffset = date.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\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 case \"XXXX\":\n case \"XX\": // Hours and minutes without `:` delimiter\n return formatTimezone(timezoneOffset);\n\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 case \"XXXXX\":\n case \"XXX\": // Hours and minutes with `:` delimiter\n default:\n return formatTimezone(timezoneOffset, \":\");\n }\n },\n\n // Timezone (ISO-8601. If offset is 0, output is `'+00:00'` or equivalent)\n x: function (date, token, _localize) {\n const timezoneOffset = date.getTimezoneOffset();\n\n switch (token) {\n // Hours and optional minutes\n case \"x\":\n return formatTimezoneWithOptionalMinutes(timezoneOffset);\n\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 case \"xxxx\":\n case \"xx\": // Hours and minutes without `:` delimiter\n return formatTimezone(timezoneOffset);\n\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 case \"xxxxx\":\n case \"xxx\": // Hours and minutes with `:` delimiter\n default:\n return formatTimezone(timezoneOffset, \":\");\n }\n },\n\n // Timezone (GMT)\n O: function (date, token, _localize) {\n const timezoneOffset = date.getTimezoneOffset();\n\n switch (token) {\n // Short\n case \"O\":\n case \"OO\":\n case \"OOO\":\n return \"GMT\" + formatTimezoneShort(timezoneOffset, \":\");\n // Long\n case \"OOOO\":\n default:\n return \"GMT\" + formatTimezone(timezoneOffset, \":\");\n }\n },\n\n // Timezone (specific non-location)\n z: function (date, token, _localize) {\n const timezoneOffset = date.getTimezoneOffset();\n\n switch (token) {\n // Short\n case \"z\":\n case \"zz\":\n case \"zzz\":\n return \"GMT\" + formatTimezoneShort(timezoneOffset, \":\");\n // Long\n case \"zzzz\":\n default:\n return \"GMT\" + formatTimezone(timezoneOffset, \":\");\n }\n },\n\n // Seconds timestamp\n t: function (date, token, _localize) {\n const timestamp = Math.trunc(+date / 1000);\n return addLeadingZeros(timestamp, token.length);\n },\n\n // Milliseconds timestamp\n T: function (date, token, _localize) {\n return addLeadingZeros(+date, token.length);\n },\n};\n\nfunction formatTimezoneShort(offset, delimiter = \"\") {\n const sign = offset > 0 ? \"-\" : \"+\";\n const absOffset = Math.abs(offset);\n const hours = Math.trunc(absOffset / 60);\n const minutes = absOffset % 60;\n if (minutes === 0) {\n return sign + String(hours);\n }\n return sign + String(hours) + delimiter + addLeadingZeros(minutes, 2);\n}\n\nfunction formatTimezoneWithOptionalMinutes(offset, delimiter) {\n if (offset % 60 === 0) {\n const sign = offset > 0 ? \"-\" : \"+\";\n return sign + addLeadingZeros(Math.abs(offset) / 60, 2);\n }\n return formatTimezone(offset, delimiter);\n}\n\nfunction formatTimezone(offset, delimiter = \"\") {\n const sign = offset > 0 ? \"-\" : \"+\";\n const absOffset = Math.abs(offset);\n const hours = addLeadingZeros(Math.trunc(absOffset / 60), 2);\n const minutes = addLeadingZeros(absOffset % 60, 2);\n return sign + hours + delimiter + minutes;\n}\n","import { defaultLocale } from \"./_lib/defaultLocale.js\";\nimport { getDefaultOptions } from \"./_lib/defaultOptions.js\";\nimport { formatters } from \"./_lib/format/formatters.js\";\nimport { longFormatters } from \"./_lib/format/longFormatters.js\";\nimport {\n isProtectedDayOfYearToken,\n isProtectedWeekYearToken,\n warnOrThrowProtectedError,\n} from \"./_lib/protectedTokens.js\";\nimport { isValid } from \"./isValid.js\";\nimport { toDate } from \"./toDate.js\";\n\n// Rexports of internal for libraries to use.\n// See: https://github.com/date-fns/date-fns/issues/3638#issuecomment-1877082874\nexport { formatters, longFormatters };\n\n// 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// - '(''|[^'])+('|$) matches anything surrounded by two quote characters ('),\n// except a single quote symbol, which ends the sequence.\n// Two quote characters do not end the sequence.\n// If there is no matching single quote\n// then the sequence will continue until the end of the string.\n// - . matches any single character unmatched by previous parts of the RegExps\nconst formattingTokensRegExp =\n /[yYQqMLwIdDecihHKkms]o|(\\w)\\1*|''|'(''|[^'])+('|$)|./g;\n\n// This RegExp catches symbols escaped by quotes, and also\n// sequences of symbols P, p, and the combinations like `PPPPPPPppppp`\nconst longFormattingTokensRegExp = /P+p+|P+|p+|''|'(''|[^'])+('|$)|./g;\n\nconst escapedStringRegExp = /^'([^]*?)'?$/;\nconst doubleQuoteRegExp = /''/g;\nconst unescapedLatinCharacterRegExp = /[a-zA-Z]/;\n\nexport { format as formatDate };\n\n/**\n * The {@link format} function options.\n */\n\n/**\n * @name format\n * @alias formatDate\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://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\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, Sa, Su | |\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, Sa, Su | 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, Sa, Su | |\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, Sa, Su | |\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](https://date-fns.org/docs/getISOWeekYear)\n * and [getWeekYear](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://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n *\n * 9. `D` and `DD` tokens represent days of the year but they are often confused with days of the month.\n * You should enable `options.useAdditionalDayOfYearTokens` to use them. See: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n *\n * @param date - The original date\n * @param format - The string of tokens\n * @param options - An object with options\n *\n * @returns The formatted date string\n *\n * @throws `date` must not be Invalid Date\n * @throws `options.locale` must contain `localize` property\n * @throws `options.locale` must contain `formatLong` property\n * @throws use `yyyy` instead of `YYYY` for formatting years using [format provided] to the input [input provided]; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n * @throws use `yy` instead of `YY` for formatting years using [format provided] to the input [input provided]; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n * @throws use `d` instead of `D` for formatting days of the month using [format provided] to the input [input provided]; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n * @throws use `dd` instead of `DD` for formatting days of the month using [format provided] to the input [input provided]; see: https://github.com/date-fns/date-fns/blob/master/docs/unicodeTokens.md\n * @throws format string contains an unescaped latin alphabet character\n *\n * @example\n * // Represent 11 February 2014 in middle-endian format:\n * const 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 * const 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 * const result = format(new Date(2014, 6, 2, 15), \"h 'o''clock'\")\n * //=> \"3 o'clock\"\n */\nexport function format(date, formatStr, options) {\n const defaultOptions = getDefaultOptions();\n const locale = options?.locale ?? defaultOptions.locale ?? defaultLocale;\n\n const firstWeekContainsDate =\n options?.firstWeekContainsDate ??\n options?.locale?.options?.firstWeekContainsDate ??\n defaultOptions.firstWeekContainsDate ??\n defaultOptions.locale?.options?.firstWeekContainsDate ??\n 1;\n\n const weekStartsOn =\n options?.weekStartsOn ??\n options?.locale?.options?.weekStartsOn ??\n defaultOptions.weekStartsOn ??\n defaultOptions.locale?.options?.weekStartsOn ??\n 0;\n\n const originalDate = toDate(date, options?.in);\n\n if (!isValid(originalDate)) {\n throw new RangeError(\"Invalid time value\");\n }\n\n let parts = formatStr\n .match(longFormattingTokensRegExp)\n .map((substring) => {\n const firstCharacter = substring[0];\n if (firstCharacter === \"p\" || firstCharacter === \"P\") {\n const longFormatter = longFormatters[firstCharacter];\n return longFormatter(substring, locale.formatLong);\n }\n return substring;\n })\n .join(\"\")\n .match(formattingTokensRegExp)\n .map((substring) => {\n // Replace two single quote characters with one single quote character\n if (substring === \"''\") {\n return { isToken: false, value: \"'\" };\n }\n\n const firstCharacter = substring[0];\n if (firstCharacter === \"'\") {\n return { isToken: false, value: cleanEscapedString(substring) };\n }\n\n if (formatters[firstCharacter]) {\n return { isToken: true, value: substring };\n }\n\n if (firstCharacter.match(unescapedLatinCharacterRegExp)) {\n throw new RangeError(\n \"Format string contains an unescaped latin alphabet character `\" +\n firstCharacter +\n \"`\",\n );\n }\n\n return { isToken: false, value: substring };\n });\n\n // invoke localize preprocessor (only for french locales at the moment)\n if (locale.localize.preprocessor) {\n parts = locale.localize.preprocessor(originalDate, parts);\n }\n\n const formatterOptions = {\n firstWeekContainsDate,\n weekStartsOn,\n locale,\n };\n\n return parts\n .map((part) => {\n if (!part.isToken) return part.value;\n\n const token = part.value;\n\n if (\n (!options?.useAdditionalWeekYearTokens &&\n isProtectedWeekYearToken(token)) ||\n (!options?.useAdditionalDayOfYearTokens &&\n isProtectedDayOfYearToken(token))\n ) {\n warnOrThrowProtectedError(token, formatStr, String(date));\n }\n\n const formatter = formatters[token[0]];\n return formatter(originalDate, token, locale.localize, formatterOptions);\n })\n .join(\"\");\n}\n\nfunction cleanEscapedString(input) {\n const matched = input.match(escapedStringRegExp);\n\n if (!matched) {\n return input;\n }\n\n return matched[1].replace(doubleQuoteRegExp, \"'\");\n}\n\n// Fallback for modularized imports:\nexport default format;\n","import { constructFrom } from \"./constructFrom.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link addMilliseconds} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param amount - The amount of milliseconds to be added.\n * @param options - The options object\n *\n * @returns The new date with the milliseconds added\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 */\nexport function addMilliseconds(date, amount, options) {\n return constructFrom(options?.in || date, +toDate(date) + amount);\n}\n\n// Fallback for modularized imports:\nexport default addMilliseconds;\n","import { addMilliseconds } from \"./addMilliseconds.js\";\n\n/**\n * The {@link addSeconds} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param amount - The amount of seconds to be added.\n * @param options - An object with options\n *\n * @returns The new date with the seconds added\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 */\nexport function addSeconds(date, amount, options) {\n return addMilliseconds(date, amount * 1000, options);\n}\n\n// Fallback for modularized imports:\nexport default addSeconds;\n","import { millisecondsInMinute } from \"./constants.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link addMinutes} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param amount - The amount of minutes to be added.\n * @param options - An object with options\n *\n * @returns The new date with the minutes added\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 */\nexport function addMinutes(date, amount, options) {\n const _date = toDate(date, options?.in);\n _date.setTime(_date.getTime() + amount * millisecondsInMinute);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default addMinutes;\n","import { addMilliseconds } from \"./addMilliseconds.js\";\nimport { millisecondsInHour } from \"./constants.js\";\n\n/**\n * The {@link addHours} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param amount - The amount of hours to be added\n * @param options - An object with options\n *\n * @returns The new date with the hours added\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 */\nexport function addHours(date, amount, options) {\n return addMilliseconds(date, amount * millisecondsInHour, options);\n}\n\n// Fallback for modularized imports:\nexport default addHours;\n","import { addDays } from \"./addDays.js\";\n\n/**\n * The {@link addWeeks} function options.\n */\n\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 weeks to the given date.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param amount - The amount of weeks to be added.\n * @param options - An object with options\n *\n * @returns The new date with the weeks added\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 */\nexport function addWeeks(date, amount, options) {\n return addDays(date, amount * 7, options);\n}\n\n// Fallback for modularized imports:\nexport default addWeeks;\n","import { constructFrom } from \"./constructFrom.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link addMonths} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param amount - The amount of months to be added.\n * @param options - The options object\n *\n * @returns The new date with the months added\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 * // Add one month to 30 January 2023:\n * const result = addMonths(new Date(2023, 0, 30), 1)\n * //=> Tue Feb 28 2023 00:00:00\n */\nexport function addMonths(date, amount, options) {\n const _date = toDate(date, options?.in);\n if (isNaN(amount)) return constructFrom(options?.in || date, NaN);\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 const dayOfMonth = _date.getDate();\n\n // 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 const endOfDesiredMonth = constructFrom(options?.in || date, _date.getTime());\n endOfDesiredMonth.setMonth(_date.getMonth() + amount + 1, 0);\n const daysInMonth = endOfDesiredMonth.getDate();\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(\n endOfDesiredMonth.getFullYear(),\n endOfDesiredMonth.getMonth(),\n dayOfMonth,\n );\n return _date;\n }\n}\n\n// Fallback for modularized imports:\nexport default addMonths;\n","import { addMonths } from \"./addMonths.js\";\n\n/**\n * The {@link addQuarters} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The date to be changed\n * @param amount - The amount of quarters to be added.\n * @param options - An object with options\n *\n * @returns The new date with the quarters added\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 */\nexport function addQuarters(date, amount, options) {\n return addMonths(date, amount * 3, options);\n}\n\n// Fallback for modularized imports:\nexport default addQuarters;\n","import { addMonths } from \"./addMonths.js\";\n\n/**\n * The {@link addYears} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type.\n *\n * @param date - The date to be changed\n * @param amount - The amount of years to be added.\n * @param options - The options\n *\n * @returns The new date with the years added\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 */\nexport function addYears(date, amount, options) {\n return addMonths(date, amount * 12, options);\n}\n\n// Fallback for modularized imports:\nexport default addYears;\n","import { toDate } from \"./toDate.js\";\n\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 * @param laterDate - The later date\n * @param earlierDate - The earlier date\n *\n * @returns The number of milliseconds\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 */\nexport function differenceInMilliseconds(laterDate, earlierDate) {\n return +toDate(laterDate) - +toDate(earlierDate);\n}\n\n// Fallback for modularized imports:\nexport default differenceInMilliseconds;\n","export function getRoundingMethod(method) {\n return (number) => {\n const round = method ? Math[method] : Math.trunc;\n const result = round(number);\n // Prevent negative zero\n return result === 0 ? 0 : result;\n };\n}\n","import { getRoundingMethod } from \"./_lib/getRoundingMethod.js\";\nimport { differenceInMilliseconds } from \"./differenceInMilliseconds.js\";\n\n/**\n * The {@link differenceInSeconds} function options.\n */\n\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 * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - An object with options.\n *\n * @returns The number of seconds\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 */\nexport function differenceInSeconds(laterDate, earlierDate, options) {\n const diff = differenceInMilliseconds(laterDate, earlierDate) / 1000;\n return getRoundingMethod(options?.roundingMethod)(diff);\n}\n\n// Fallback for modularized imports:\nexport default differenceInSeconds;\n","import { getRoundingMethod } from \"./_lib/getRoundingMethod.js\";\nimport { millisecondsInMinute } from \"./constants.js\";\nimport { differenceInMilliseconds } from \"./differenceInMilliseconds.js\";\n\n/**\n * The {@link differenceInMinutes} function options.\n */\n\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 * @param dateLeft - The later date\n * @param dateRight - The earlier date\n * @param options - An object with options.\n *\n * @returns The number of minutes\n *\n * @example\n * // How many minutes are between 2 July 2014 12:07:59 and 2 July 2014 12:20:00?\n * const 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 between 10:01:59 and 10:00:00\n * const result = differenceInMinutes(\n * new Date(2000, 0, 1, 10, 0, 0),\n * new Date(2000, 0, 1, 10, 1, 59)\n * )\n * //=> -1\n */\nexport function differenceInMinutes(dateLeft, dateRight, options) {\n const diff =\n differenceInMilliseconds(dateLeft, dateRight) / millisecondsInMinute;\n return getRoundingMethod(options?.roundingMethod)(diff);\n}\n\n// Fallback for modularized imports:\nexport default differenceInMinutes;\n","import { getRoundingMethod } from \"./_lib/getRoundingMethod.js\";\nimport { normalizeDates } from \"./_lib/normalizeDates.js\";\nimport { millisecondsInHour } from \"./constants.js\";\n\n/**\n * The {@link differenceInHours} function options.\n */\n\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 * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - An object with options.\n *\n * @returns The number of hours\n *\n * @example\n * // How many hours are between 2 July 2014 06:50:00 and 2 July 2014 19:00:00?\n * const result = differenceInHours(\n * new Date(2014, 6, 2, 19, 0),\n * new Date(2014, 6, 2, 6, 50)\n * )\n * //=> 12\n */\nexport function differenceInHours(laterDate, earlierDate, options) {\n const [laterDate_, earlierDate_] = normalizeDates(\n options?.in,\n laterDate,\n earlierDate,\n );\n const diff = (+laterDate_ - +earlierDate_) / millisecondsInHour;\n return getRoundingMethod(options?.roundingMethod)(diff);\n}\n\n// Fallback for modularized imports:\nexport default differenceInHours;\n","import { normalizeDates } from \"./_lib/normalizeDates.js\";\nimport { differenceInCalendarDays } from \"./differenceInCalendarDays.js\";\n\n/**\n * The {@link differenceInDays} function options.\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.trunc(differenceInHours(dateLeft, dateRight)/24)|0`.\n *\n * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - An object with options\n *\n * @returns The number of full days according to the local timezone\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 *\n * @example\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 *\n * @example\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 */\nexport function differenceInDays(laterDate, earlierDate, options) {\n const [laterDate_, earlierDate_] = normalizeDates(\n options?.in,\n laterDate,\n earlierDate,\n );\n\n const sign = compareLocalAsc(laterDate_, earlierDate_);\n const difference = Math.abs(\n differenceInCalendarDays(laterDate_, earlierDate_),\n );\n\n laterDate_.setDate(laterDate_.getDate() - sign * difference);\n\n // 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 const isLastDayNotFull = Number(\n compareLocalAsc(laterDate_, earlierDate_) === -sign,\n );\n\n const result = sign * (difference - isLastDayNotFull);\n // Prevent negative zero\n return result === 0 ? 0 : result;\n}\n\n// 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.\nfunction compareLocalAsc(laterDate, earlierDate) {\n const diff =\n laterDate.getFullYear() - earlierDate.getFullYear() ||\n laterDate.getMonth() - earlierDate.getMonth() ||\n laterDate.getDate() - earlierDate.getDate() ||\n laterDate.getHours() - earlierDate.getHours() ||\n laterDate.getMinutes() - earlierDate.getMinutes() ||\n laterDate.getSeconds() - earlierDate.getSeconds() ||\n laterDate.getMilliseconds() - earlierDate.getMilliseconds();\n\n if (diff < 0) return -1;\n if (diff > 0) return 1;\n\n // Return 0 if diff is 0; return NaN if diff is NaN\n return diff;\n}\n\n// Fallback for modularized imports:\nexport default differenceInDays;\n","import { getRoundingMethod } from \"./_lib/getRoundingMethod.js\";\nimport { differenceInDays } from \"./differenceInDays.js\";\n\n/**\n * The {@link differenceInWeeks} function options.\n */\n\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 by default.\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.trunc(differenceInHours(dateLeft, dateRight)/(7*24))|0`.\n *\n * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - An object with options\n *\n * @returns The number of full weeks\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 * @example\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 */\nexport function differenceInWeeks(laterDate, earlierDate, options) {\n const diff = differenceInDays(laterDate, earlierDate, options) / 7;\n return getRoundingMethod(options?.roundingMethod)(diff);\n}\n\n// Fallback for modularized imports:\nexport default differenceInWeeks;\n","import { toDate } from \"./toDate.js\";\n\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 * @param dateLeft - The first date to compare\n * @param dateRight - The second date to compare\n *\n * @returns The result of the comparison\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 */\nexport function compareAsc(dateLeft, dateRight) {\n const diff = +toDate(dateLeft) - +toDate(dateRight);\n\n if (diff < 0) return -1;\n else if (diff > 0) return 1;\n\n // Return 0 if diff is 0; return NaN if diff is NaN\n return diff;\n}\n\n// Fallback for modularized imports:\nexport default compareAsc;\n","import { normalizeDates } from \"./_lib/normalizeDates.js\";\n\n/**\n * The {@link differenceInCalendarMonths} function options.\n */\n\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 * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - An object with options\n *\n * @returns The number of calendar months\n *\n * @example\n * // How many calendar months are between 31 January 2014 and 1 September 2014?\n * const result = differenceInCalendarMonths(\n * new Date(2014, 8, 1),\n * new Date(2014, 0, 31)\n * )\n * //=> 8\n */\nexport function differenceInCalendarMonths(laterDate, earlierDate, options) {\n const [laterDate_, earlierDate_] = normalizeDates(\n options?.in,\n laterDate,\n earlierDate,\n );\n\n const yearsDiff = laterDate_.getFullYear() - earlierDate_.getFullYear();\n const monthsDiff = laterDate_.getMonth() - earlierDate_.getMonth();\n\n return yearsDiff * 12 + monthsDiff;\n}\n\n// Fallback for modularized imports:\nexport default differenceInCalendarMonths;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link endOfDay} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The end of a day\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 */\nexport function endOfDay(date, options) {\n const _date = toDate(date, options?.in);\n _date.setHours(23, 59, 59, 999);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default endOfDay;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link endOfMonth} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The end of a month\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 */\nexport function endOfMonth(date, options) {\n const _date = toDate(date, options?.in);\n const month = _date.getMonth();\n _date.setFullYear(_date.getFullYear(), month + 1, 0);\n _date.setHours(23, 59, 59, 999);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default endOfMonth;\n","import { endOfDay } from \"./endOfDay.js\";\nimport { endOfMonth } from \"./endOfMonth.js\";\nimport { toDate } from \"./toDate.js\";\n\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 * @param date - The date to check\n * @param options - An object with options\n *\n * @returns The date is the last day of a month\n *\n * @example\n * // Is 28 February 2014 the last day of a month?\n * const result = isLastDayOfMonth(new Date(2014, 1, 28))\n * //=> true\n */\nexport function isLastDayOfMonth(date, options) {\n const _date = toDate(date, options?.in);\n return +endOfDay(_date, options) === +endOfMonth(_date, options);\n}\n\n// Fallback for modularized imports:\nexport default isLastDayOfMonth;\n","import { normalizeDates } from \"./_lib/normalizeDates.js\";\nimport { compareAsc } from \"./compareAsc.js\";\nimport { differenceInCalendarMonths } from \"./differenceInCalendarMonths.js\";\nimport { isLastDayOfMonth } from \"./isLastDayOfMonth.js\";\n\n/**\n * The {@link differenceInMonths} function options.\n */\n\n/**\n * @name differenceInMonths\n * @category Month Helpers\n * @summary Get the number of full months between the given dates.\n *\n * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - An object with options\n *\n * @returns The number of full months\n *\n * @example\n * // How many full months are between 31 January 2014 and 1 September 2014?\n * const result = differenceInMonths(new Date(2014, 8, 1), new Date(2014, 0, 31))\n * //=> 7\n */\nexport function differenceInMonths(laterDate, earlierDate, options) {\n const [laterDate_, workingLaterDate, earlierDate_] = normalizeDates(\n options?.in,\n laterDate,\n laterDate,\n earlierDate,\n );\n\n const sign = compareAsc(workingLaterDate, earlierDate_);\n const difference = Math.abs(\n differenceInCalendarMonths(workingLaterDate, earlierDate_),\n );\n\n if (difference < 1) return 0;\n\n if (workingLaterDate.getMonth() === 1 && workingLaterDate.getDate() > 27)\n workingLaterDate.setDate(30);\n\n workingLaterDate.setMonth(workingLaterDate.getMonth() - sign * difference);\n\n let isLastMonthNotFull = compareAsc(workingLaterDate, earlierDate_) === -sign;\n\n if (\n isLastDayOfMonth(laterDate_) &&\n difference === 1 &&\n compareAsc(laterDate_, earlierDate_) === 1\n ) {\n isLastMonthNotFull = false;\n }\n\n const result = sign * (difference - +isLastMonthNotFull);\n return result === 0 ? 0 : result;\n}\n\n// Fallback for modularized imports:\nexport default differenceInMonths;\n","import { getRoundingMethod } from \"./_lib/getRoundingMethod.js\";\nimport { differenceInMonths } from \"./differenceInMonths.js\";\n\n/**\n * The {@link differenceInQuarters} function options.\n */\n\n/**\n * @name differenceInQuarters\n * @category Quarter Helpers\n * @summary Get the number of quarters between the given dates.\n *\n * @description\n * Get the number of quarters between the given dates.\n *\n * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - An object with options.\n *\n * @returns The number of full quarters\n *\n * @example\n * // How many full quarters are between 31 December 2013 and 2 July 2014?\n * const result = differenceInQuarters(new Date(2014, 6, 2), new Date(2013, 11, 31))\n * //=> 2\n */\nexport function differenceInQuarters(laterDate, earlierDate, options) {\n const diff = differenceInMonths(laterDate, earlierDate, options) / 3;\n return getRoundingMethod(options?.roundingMethod)(diff);\n}\n\n// Fallback for modularized imports:\nexport default differenceInQuarters;\n","import { normalizeDates } from \"./_lib/normalizeDates.js\";\n\n/**\n * The {@link differenceInCalendarYears} function options.\n */\n\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 * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - An object with options\n\n * @returns The number of calendar years\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 */\nexport function differenceInCalendarYears(laterDate, earlierDate, options) {\n const [laterDate_, earlierDate_] = normalizeDates(\n options?.in,\n laterDate,\n earlierDate,\n );\n return laterDate_.getFullYear() - earlierDate_.getFullYear();\n}\n\n// Fallback for modularized imports:\nexport default differenceInCalendarYears;\n","import { normalizeDates } from \"./_lib/normalizeDates.js\";\nimport { compareAsc } from \"./compareAsc.js\";\nimport { differenceInCalendarYears } from \"./differenceInCalendarYears.js\";\n\n/**\n * The {@link differenceInYears} function options.\n */\n\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 * @param laterDate - The later date\n * @param earlierDate - The earlier date\n * @param options - An object with options\n *\n * @returns The number of full years\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 */\nexport function differenceInYears(laterDate, earlierDate, options) {\n const [laterDate_, earlierDate_] = normalizeDates(\n options?.in,\n laterDate,\n earlierDate,\n );\n\n // -1 if the left date is earlier than the right date\n // 2023-12-31 - 2024-01-01 = -1\n const sign = compareAsc(laterDate_, earlierDate_);\n\n // First calculate the difference in calendar years\n // 2024-01-01 - 2023-12-31 = 1 year\n const diff = Math.abs(differenceInCalendarYears(laterDate_, earlierDate_));\n\n // Now we need to calculate if the difference is full. To do that we set\n // both dates to the same year and check if the both date's month and day\n // form a full year.\n laterDate_.setFullYear(1584);\n earlierDate_.setFullYear(1584);\n\n // For it to be true, when the later date is indeed later than the earlier date\n // (2026-02-01 - 2023-12-10 = 3 years), the difference is full if\n // the normalized later date is also later than the normalized earlier date.\n // In our example, 1584-02-01 is earlier than 1584-12-10, so the difference\n // is partial, hence we need to subtract 1 from the difference 3 - 1 = 2.\n const partial = compareAsc(laterDate_, earlierDate_) === -sign;\n\n const result = sign * (diff - +partial);\n\n // Prevent negative zero\n return result === 0 ? 0 : result;\n}\n\n// Fallback for modularized imports:\nexport default differenceInYears;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link startOfSecond} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - The options\n *\n * @returns The start of a second\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 */\nexport function startOfSecond(date, options) {\n const date_ = toDate(date, options?.in);\n date_.setMilliseconds(0);\n return date_;\n}\n\n// Fallback for modularized imports:\nexport default startOfSecond;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link startOfMinute} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The start of a minute\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 */\nexport function startOfMinute(date, options) {\n const date_ = toDate(date, options?.in);\n date_.setSeconds(0, 0);\n return date_;\n}\n\n// Fallback for modularized imports:\nexport default startOfMinute;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link startOfHour} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The start of an hour\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 */\nexport function startOfHour(date, options) {\n const _date = toDate(date, options?.in);\n _date.setMinutes(0, 0, 0);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default startOfHour;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link startOfMonth} function options.\n */\n\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. The result will be in the local timezone.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments.\n * Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed,\n * or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The start of a month\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 */\nexport function startOfMonth(date, options) {\n const _date = toDate(date, options?.in);\n _date.setDate(1);\n _date.setHours(0, 0, 0, 0);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default startOfMonth;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link startOfQuarter} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - The options\n *\n * @returns The start of a quarter\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 */\nexport function startOfQuarter(date, options) {\n const _date = toDate(date, options?.in);\n const currentMonth = _date.getMonth();\n const month = currentMonth - (currentMonth % 3);\n _date.setMonth(month, 1);\n _date.setHours(0, 0, 0, 0);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default startOfQuarter;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link endOfSecond} function options.\n */\n\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 if no `in` option is specified.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The end of a second\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 */\nexport function endOfSecond(date, options) {\n const _date = toDate(date, options?.in);\n _date.setMilliseconds(999);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default endOfSecond;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link endOfMinute} function options.\n */\n\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 or the provided context.\n *\n * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The end of a minute\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 */\nexport function endOfMinute(date, options) {\n const _date = toDate(date, options?.in);\n _date.setSeconds(59, 999);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default endOfMinute;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link endOfHour} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The end of an hour\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 */\nexport function endOfHour(date, options) {\n const _date = toDate(date, options?.in);\n _date.setMinutes(59, 59, 999);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default endOfHour;\n","import { getDefaultOptions } from \"./_lib/defaultOptions.js\";\nimport { toDate } from \"./toDate.js\";\n\n/**\n * The {@link endOfWeek} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The end of a week\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 */\nexport function endOfWeek(date, options) {\n const defaultOptions = getDefaultOptions();\n const weekStartsOn =\n options?.weekStartsOn ??\n options?.locale?.options?.weekStartsOn ??\n defaultOptions.weekStartsOn ??\n defaultOptions.locale?.options?.weekStartsOn ??\n 0;\n\n const _date = toDate(date, options?.in);\n const day = _date.getDay();\n const diff = (day < weekStartsOn ? -7 : 0) + 6 - (day - weekStartsOn);\n\n _date.setDate(_date.getDate() + diff);\n _date.setHours(23, 59, 59, 999);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default endOfWeek;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link endOfQuarter} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - An object with options\n *\n * @returns The end of a quarter\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 */\nexport function endOfQuarter(date, options) {\n const _date = toDate(date, options?.in);\n const currentMonth = _date.getMonth();\n const month = currentMonth - (currentMonth % 3) + 3;\n _date.setMonth(month, 0);\n _date.setHours(23, 59, 59, 999);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default endOfQuarter;\n","import { toDate } from \"./toDate.js\";\n\n/**\n * The {@link endOfYear} function options.\n */\n\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 * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).\n * @typeParam ResultDate - The result `Date` type, it is the type returned from the context function if it is passed, or inferred from the arguments.\n *\n * @param date - The original date\n * @param options - The options\n *\n * @returns The end of a year\n *\n * @example\n * // The end of a year for 2 September 2014 11:55:00:\n * const result = endOfYear(new Date(2014, 8, 2, 11, 55, 0))\n * //=> Wed Dec 31 2014 23:59:59.999\n */\nexport function endOfYear(date, options) {\n const _date = toDate(date, options?.in);\n const year = _date.getFullYear();\n _date.setFullYear(year + 1, 0, 0);\n _date.setHours(23, 59, 59, 999);\n return _date;\n}\n\n// Fallback for modularized imports:\nexport default endOfYear;\n","/*!\n * chartjs-adapter-date-fns v3.0.0\n * https://www.chartjs.org\n * (c) 2022 chartjs-adapter-date-fns Contributors\n * Released under the MIT license\n */\nimport { _adapters } from 'chart.js';\nimport { toDate, parse, parseISO, isValid, 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';\n\nconst 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', // DEBUG\n\n formats: function() {\n return FORMATS;\n },\n\n parse: function(value, fmt) {\n if (value === null || typeof value === 'undefined') {\n return null;\n }\n const type = typeof value;\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 return isValid(value) ? value.getTime() : null;\n },\n\n format: function(time, fmt) {\n return format(time, fmt, this.options);\n },\n\n add: function(time, amount, unit) {\n switch (unit) {\n case 'millisecond': return addMilliseconds(time, amount);\n case 'second': return addSeconds(time, amount);\n case 'minute': return addMinutes(time, amount);\n case 'hour': return addHours(time, amount);\n case 'day': return addDays(time, amount);\n case 'week': return addWeeks(time, amount);\n case 'month': return addMonths(time, amount);\n case 'quarter': return addQuarters(time, amount);\n case 'year': return addYears(time, amount);\n default: return time;\n }\n },\n\n diff: function(max, min, unit) {\n switch (unit) {\n case 'millisecond': return differenceInMilliseconds(max, min);\n case 'second': return differenceInSeconds(max, min);\n case 'minute': return differenceInMinutes(max, min);\n case 'hour': return differenceInHours(max, min);\n case 'day': return differenceInDays(max, min);\n case 'week': return differenceInWeeks(max, min);\n case 'month': return differenceInMonths(max, min);\n case 'quarter': return differenceInQuarters(max, min);\n case 'year': return differenceInYears(max, min);\n default: return 0;\n }\n },\n\n startOf: function(time, unit, weekday) {\n switch (unit) {\n case 'second': return startOfSecond(time);\n case 'minute': return startOfMinute(time);\n case 'hour': return startOfHour(time);\n case 'day': return startOfDay(time);\n case 'week': return startOfWeek(time);\n case 'isoWeek': return startOfWeek(time, {weekStartsOn: +weekday});\n case 'month': return startOfMonth(time);\n case 'quarter': return startOfQuarter(time);\n case 'year': return startOfYear(time);\n default: return time;\n }\n },\n\n endOf: function(time, unit) {\n switch (unit) {\n case 'second': return endOfSecond(time);\n case 'minute': return endOfMinute(time);\n case 'hour': return endOfHour(time);\n case 'day': return endOfDay(time);\n case 'week': return endOfWeek(time);\n case 'month': return endOfMonth(time);\n case 'quarter': return endOfQuarter(time);\n case 'year': return endOfYear(time);\n default: return time;\n }\n }\n});\n","import Chartkick from \"chartkick\"\nimport Chart from \"chart.js/auto\"\nimport \"chartjs-adapter-date-fns\"\n\nChartkick.use(Chart)\n","import $ from 'jquery';\n\n// Core Foundation Utilities, utilized in a number of places.\n\n /**\n * Returns a boolean for RTL support\n */\nfunction rtl() {\n return $('html').attr('dir') === 'rtl';\n}\n\n/**\n * returns a random base-36 uid with namespacing\n * @function\n * @param {Number} length - number of random base-36 digits desired. Increase for more random strings.\n * @param {String} namespace - name of plugin to be incorporated in uid, optional.\n * @default {String} '' - if no plugin name is provided, nothing is appended to the uid.\n * @returns {String} - unique id\n */\nfunction GetYoDigits(length = 6, namespace){\n let str = '';\n const chars = '0123456789abcdefghijklmnopqrstuvwxyz';\n const charsLength = chars.length;\n for (let i = 0; i < length; i++) {\n str += chars[Math.floor(Math.random() * charsLength)];\n }\n return namespace ? `${str}-${namespace}` : str;\n}\n\n/**\n * Escape a string so it can be used as a regexp pattern\n * @function\n * @see https://stackoverflow.com/a/9310752/4317384\n *\n * @param {String} str - string to escape.\n * @returns {String} - escaped string\n */\nfunction RegExpEscape(str){\n return str.replace(/[-[\\]{}()*+?.,\\\\^$|#\\s]/g, '\\\\$&');\n}\n\nfunction transitionend($elem){\n var transitions = {\n 'transition': 'transitionend',\n 'WebkitTransition': 'webkitTransitionEnd',\n 'MozTransition': 'transitionend',\n 'OTransition': 'otransitionend'\n };\n var elem = document.createElement('div'),\n end;\n\n for (let transition in transitions){\n if (typeof elem.style[transition] !== 'undefined'){\n end = transitions[transition];\n }\n }\n if (end) {\n return end;\n } else {\n setTimeout(function(){\n $elem.triggerHandler('transitionend', [$elem]);\n }, 1);\n return 'transitionend';\n }\n}\n\n/**\n * Return an event type to listen for window load.\n *\n * If `$elem` is passed, an event will be triggered on `$elem`. If window is already loaded, the event will still be triggered.\n * If `handler` is passed, attach it to the event on `$elem`.\n * Calling `onLoad` without handler allows you to get the event type that will be triggered before attaching the handler by yourself.\n * @function\n *\n * @param {Object} [] $elem - jQuery element on which the event will be triggered if passed.\n * @param {Function} [] handler - function to attach to the event.\n * @returns {String} - event type that should or will be triggered.\n */\nfunction onLoad($elem, handler) {\n const didLoad = document.readyState === 'complete';\n const eventType = (didLoad ? '_didLoad' : 'load') + '.zf.util.onLoad';\n const cb = () => $elem.triggerHandler(eventType);\n\n if ($elem) {\n if (handler) $elem.one(eventType, handler);\n\n if (didLoad)\n setTimeout(cb);\n else\n $(window).one('load', cb);\n }\n\n return eventType;\n}\n\n/**\n * Retuns an handler for the `mouseleave` that ignore disappeared mouses.\n *\n * If the mouse \"disappeared\" from the document (like when going on a browser UI element, See https://git.io/zf-11410),\n * the event is ignored.\n * - If the `ignoreLeaveWindow` is `true`, the event is ignored when the user actually left the window\n * (like by switching to an other window with [Alt]+[Tab]).\n * - If the `ignoreReappear` is `true`, the event will be ignored when the mouse will reappear later on the document\n * outside of the element it left.\n *\n * @function\n *\n * @param {Function} [] handler - handler for the filtered `mouseleave` event to watch.\n * @param {Object} [] options - object of options:\n * - {Boolean} [false] ignoreLeaveWindow - also ignore when the user switched windows.\n * - {Boolean} [false] ignoreReappear - also ignore when the mouse reappeared outside of the element it left.\n * @returns {Function} - filtered handler to use to listen on the `mouseleave` event.\n */\nfunction ignoreMousedisappear(handler, { ignoreLeaveWindow = false, ignoreReappear = false } = {}) {\n return function leaveEventHandler(eLeave, ...rest) {\n const callback = handler.bind(this, eLeave, ...rest);\n\n // The mouse left: call the given callback if the mouse entered elsewhere\n if (eLeave.relatedTarget !== null) {\n return callback();\n }\n\n // Otherwise, check if the mouse actually left the window.\n // In firefox if the user switched between windows, the window sill have the focus by the time\n // the event is triggered. We have to debounce the event to test this case.\n setTimeout(function leaveEventDebouncer() {\n if (!ignoreLeaveWindow && document.hasFocus && !document.hasFocus()) {\n return callback();\n }\n\n // Otherwise, wait for the mouse to reeapear outside of the element,\n if (!ignoreReappear) {\n $(document).one('mouseenter', function reenterEventHandler(eReenter) {\n if (!$(eLeave.currentTarget).has(eReenter.target).length) {\n // Fill where the mouse finally entered.\n eLeave.relatedTarget = eReenter.target;\n callback();\n }\n });\n }\n\n }, 0);\n };\n}\n\n\nexport { rtl, GetYoDigits, RegExpEscape, transitionend, onLoad, ignoreMousedisappear };\n","import $ from 'jquery';\n\n// Default set of media queries\n// const defaultQueries = {\n// 'default' : 'only screen',\n// landscape : 'only screen and (orientation: landscape)',\n// portrait : 'only screen and (orientation: portrait)',\n// retina : 'only screen and (-webkit-min-device-pixel-ratio: 2),' +\n// 'only screen and (min--moz-device-pixel-ratio: 2),' +\n// 'only screen and (-o-min-device-pixel-ratio: 2/1),' +\n// 'only screen and (min-device-pixel-ratio: 2),' +\n// 'only screen and (min-resolution: 192dpi),' +\n// 'only screen and (min-resolution: 2dppx)'\n// };\n\n\n// matchMedia() polyfill - Test a CSS media type/query in JS.\n// Authors & copyright © 2012: Scott Jehl, Paul Irish, Nicholas Zakas, David Knight. MIT license\n/* eslint-disable */\nwindow.matchMedia || (window.matchMedia = (function () {\n \"use strict\";\n\n // For browsers that support matchMedium api such as IE 9 and webkit\n var styleMedia = (window.styleMedia || window.media);\n\n // For those that don't support matchMedium\n if (!styleMedia) {\n var style = document.createElement('style'),\n script = document.getElementsByTagName('script')[0],\n info = null;\n\n style.type = 'text/css';\n style.id = 'matchmediajs-test';\n\n if (!script) {\n document.head.appendChild(style);\n } else {\n script.parentNode.insertBefore(style, script);\n }\n\n // 'style.currentStyle' is used by IE <= 8 and 'window.getComputedStyle' for all other browsers\n info = ('getComputedStyle' in window) && window.getComputedStyle(style, null) || style.currentStyle;\n\n styleMedia = {\n matchMedium: function (media) {\n var text = '@media ' + media + '{ #matchmediajs-test { width: 1px; } }';\n\n // 'style.styleSheet' is used by IE <= 8 and 'style.textContent' for all other browsers\n if (style.styleSheet) {\n style.styleSheet.cssText = text;\n } else {\n style.textContent = text;\n }\n\n // Test if media query is true or false\n return info.width === '1px';\n }\n };\n }\n\n return function(media) {\n return {\n matches: styleMedia.matchMedium(media || 'all'),\n media: media || 'all'\n };\n };\n})());\n/* eslint-enable */\n\nvar MediaQuery = {\n queries: [],\n\n current: '',\n\n /**\n * Initializes the media query helper, by extracting the breakpoint list from the CSS and activating the breakpoint watcher.\n * @function\n * @private\n */\n _init() {\n\n // make sure the initialization is only done once when calling _init() several times\n if (this.isInitialized === true) {\n return this;\n } else {\n this.isInitialized = true;\n }\n\n var self = this;\n var $meta = $('meta.foundation-mq');\n if(!$meta.length){\n $('').appendTo(document.head);\n }\n\n var extractedStyles = $('.foundation-mq').css('font-family');\n var namedQueries;\n\n namedQueries = parseStyleToObject(extractedStyles);\n\n self.queries = []; // reset\n\n for (var key in namedQueries) {\n if(namedQueries.hasOwnProperty(key)) {\n self.queries.push({\n name: key,\n value: `only screen and (min-width: ${namedQueries[key]})`\n });\n }\n }\n\n this.current = this._getCurrentSize();\n\n this._watcher();\n },\n\n /**\n * Reinitializes the media query helper.\n * Useful if your CSS breakpoint configuration has just been loaded or has changed since the initialization.\n * @function\n * @private\n */\n _reInit() {\n this.isInitialized = false;\n this._init();\n },\n\n /**\n * Checks if the screen is at least as wide as a breakpoint.\n * @function\n * @param {String} size - Name of the breakpoint to check.\n * @returns {Boolean} `true` if the breakpoint matches, `false` if it's smaller.\n */\n atLeast(size) {\n var query = this.get(size);\n\n if (query) {\n return window.matchMedia(query).matches;\n }\n\n return false;\n },\n\n /**\n * Checks if the screen is within the given breakpoint.\n * If smaller than the breakpoint of larger than its upper limit it returns false.\n * @function\n * @param {String} size - Name of the breakpoint to check.\n * @returns {Boolean} `true` if the breakpoint matches, `false` otherwise.\n */\n only(size) {\n return size === this._getCurrentSize();\n },\n\n /**\n * Checks if the screen is within a breakpoint or smaller.\n * @function\n * @param {String} size - Name of the breakpoint to check.\n * @returns {Boolean} `true` if the breakpoint matches, `false` if it's larger.\n */\n upTo(size) {\n const nextSize = this.next(size);\n\n // If the next breakpoint does not match, the screen is smaller than\n // the upper limit of this breakpoint.\n if (nextSize) {\n return !this.atLeast(nextSize);\n }\n\n // If there is no next breakpoint, the \"size\" breakpoint does not have\n // an upper limit and the screen will always be within it or smaller.\n return true;\n },\n\n /**\n * Checks if the screen matches to a breakpoint.\n * @function\n * @param {String} size - Name of the breakpoint to check, either 'small only' or 'small'. Omitting 'only' falls back to using atLeast() method.\n * @returns {Boolean} `true` if the breakpoint matches, `false` if it does not.\n */\n is(size) {\n const parts = size.trim().split(' ').filter(p => !!p.length);\n const [bpSize, bpModifier = ''] = parts;\n\n // Only the breakpont\n if (bpModifier === 'only') {\n return this.only(bpSize);\n }\n // At least the breakpoint (included)\n if (!bpModifier || bpModifier === 'up') {\n return this.atLeast(bpSize);\n }\n // Up to the breakpoint (included)\n if (bpModifier === 'down') {\n return this.upTo(bpSize);\n }\n\n throw new Error(`\n Invalid breakpoint passed to MediaQuery.is().\n Expected a breakpoint name formatted like \" \", got \"${size}\".\n `);\n },\n\n /**\n * Gets the media query of a breakpoint.\n * @function\n * @param {String} size - Name of the breakpoint to get.\n * @returns {String|null} - The media query of the breakpoint, or `null` if the breakpoint doesn't exist.\n */\n get(size) {\n for (var i in this.queries) {\n if(this.queries.hasOwnProperty(i)) {\n var query = this.queries[i];\n if (size === query.name) return query.value;\n }\n }\n\n return null;\n },\n\n /**\n * Get the breakpoint following the given breakpoint.\n * @function\n * @param {String} size - Name of the breakpoint.\n * @returns {String|null} - The name of the following breakpoint, or `null` if the passed breakpoint was the last one.\n */\n next(size) {\n const queryIndex = this.queries.findIndex((q) => this._getQueryName(q) === size);\n if (queryIndex === -1) {\n throw new Error(`\n Unknown breakpoint \"${size}\" passed to MediaQuery.next().\n Ensure it is present in your Sass \"$breakpoints\" setting.\n `);\n }\n\n const nextQuery = this.queries[queryIndex + 1];\n return nextQuery ? nextQuery.name : null;\n },\n\n /**\n * Returns the name of the breakpoint related to the given value.\n * @function\n * @private\n * @param {String|Object} value - Breakpoint name or query object.\n * @returns {String} Name of the breakpoint.\n */\n _getQueryName(value) {\n if (typeof value === 'string')\n return value;\n if (typeof value === 'object')\n return value.name;\n throw new TypeError(`\n Invalid value passed to MediaQuery._getQueryName().\n Expected a breakpoint name (String) or a breakpoint query (Object), got \"${value}\" (${typeof value})\n `);\n },\n\n /**\n * Gets the current breakpoint name by testing every breakpoint and returning the last one to match (the biggest one).\n * @function\n * @private\n * @returns {String} Name of the current breakpoint.\n */\n _getCurrentSize() {\n var matched;\n\n for (var i = 0; i < this.queries.length; i++) {\n var query = this.queries[i];\n\n if (window.matchMedia(query.value).matches) {\n matched = query;\n }\n }\n\n return matched && this._getQueryName(matched);\n },\n\n /**\n * Activates the breakpoint watcher, which fires an event on the window whenever the breakpoint changes.\n * @function\n * @private\n */\n _watcher() {\n $(window).on('resize.zf.trigger', () => {\n var newSize = this._getCurrentSize(), currentSize = this.current;\n\n if (newSize !== currentSize) {\n // Change the current media query\n this.current = newSize;\n\n // Broadcast the media query change on the window\n $(window).trigger('changed.zf.mediaquery', [newSize, currentSize]);\n }\n });\n }\n};\n\n\n\n// Thank you: https://github.com/sindresorhus/query-string\nfunction parseStyleToObject(str) {\n var styleObject = {};\n\n if (typeof str !== 'string') {\n return styleObject;\n }\n\n str = str.trim().slice(1, -1); // browsers re-quote string style values\n\n if (!str) {\n return styleObject;\n }\n\n styleObject = str.split('&').reduce(function(ret, param) {\n var parts = param.replace(/\\+/g, ' ').split('=');\n var key = parts[0];\n var val = parts[1];\n key = decodeURIComponent(key);\n\n // missing `=` should be `null`:\n // http://w3.org/TR/2012/WD-url-20120524/#collect-url-parameters\n val = typeof val === 'undefined' ? null : decodeURIComponent(val);\n\n if (!ret.hasOwnProperty(key)) {\n ret[key] = val;\n } else if (Array.isArray(ret[key])) {\n ret[key].push(val);\n } else {\n ret[key] = [ret[key], val];\n }\n return ret;\n }, {});\n\n return styleObject;\n}\n\nexport {MediaQuery};\n","import $ from 'jquery';\nimport { GetYoDigits } from './foundation.core.utils';\nimport { MediaQuery } from './foundation.util.mediaQuery';\n\nvar FOUNDATION_VERSION = '6.8.1';\n\n// Global Foundation object\n// This is attached to the window, or used as a module for AMD/Browserify\nvar Foundation = {\n version: FOUNDATION_VERSION,\n\n /**\n * Stores initialized plugins.\n */\n _plugins: {},\n\n /**\n * Stores generated unique ids for plugin instances\n */\n _uuids: [],\n\n /**\n * Defines a Foundation plugin, adding it to the `Foundation` namespace and the list of plugins to initialize when reflowing.\n * @param {Object} plugin - The constructor of the plugin.\n */\n plugin: function(plugin, name) {\n // Object key to use when adding to global Foundation object\n // Examples: Foundation.Reveal, Foundation.OffCanvas\n var className = (name || functionName(plugin));\n // Object key to use when storing the plugin, also used to create the identifying data attribute for the plugin\n // Examples: data-reveal, data-off-canvas\n var attrName = hyphenate(className);\n\n // Add to the Foundation object and the plugins list (for reflowing)\n this._plugins[attrName] = this[className] = plugin;\n },\n /**\n * @function\n * Populates the _uuids array with pointers to each individual plugin instance.\n * Adds the `zfPlugin` data-attribute to programmatically created plugins to allow use of $(selector).foundation(method) calls.\n * Also fires the initialization event for each plugin, consolidating repetitive code.\n * @param {Object} plugin - an instance of a plugin, usually `this` in context.\n * @param {String} name - the name of the plugin, passed as a camelCased string.\n * @fires Plugin#init\n */\n registerPlugin: function(plugin, name){\n var pluginName = name ? hyphenate(name) : functionName(plugin.constructor).toLowerCase();\n plugin.uuid = GetYoDigits(6, pluginName);\n\n if(!plugin.$element.attr(`data-${pluginName}`)){ plugin.$element.attr(`data-${pluginName}`, plugin.uuid); }\n if(!plugin.$element.data('zfPlugin')){ plugin.$element.data('zfPlugin', plugin); }\n /**\n * Fires when the plugin has initialized.\n * @event Plugin#init\n */\n plugin.$element.trigger(`init.zf.${pluginName}`);\n\n this._uuids.push(plugin.uuid);\n\n return;\n },\n /**\n * @function\n * Removes the plugins uuid from the _uuids array.\n * Removes the zfPlugin data attribute, as well as the data-plugin-name attribute.\n * Also fires the destroyed event for the plugin, consolidating repetitive code.\n * @param {Object} plugin - an instance of a plugin, usually `this` in context.\n * @fires Plugin#destroyed\n */\n unregisterPlugin: function(plugin){\n var pluginName = hyphenate(functionName(plugin.$element.data('zfPlugin').constructor));\n\n this._uuids.splice(this._uuids.indexOf(plugin.uuid), 1);\n plugin.$element.removeAttr(`data-${pluginName}`).removeData('zfPlugin')\n /**\n * Fires when the plugin has been destroyed.\n * @event Plugin#destroyed\n */\n .trigger(`destroyed.zf.${pluginName}`);\n for(var prop in plugin){\n if(typeof plugin[prop] === 'function'){\n plugin[prop] = null; //clean up script to prep for garbage collection.\n }\n }\n return;\n },\n\n /**\n * @function\n * Causes one or more active plugins to re-initialize, resetting event listeners, recalculating positions, etc.\n * @param {String} plugins - optional string of an individual plugin key, attained by calling `$(element).data('pluginName')`, or string of a plugin class i.e. `'dropdown'`\n * @default If no argument is passed, reflow all currently active plugins.\n */\n reInit: function(plugins){\n var isJQ = plugins instanceof $;\n try{\n if(isJQ){\n plugins.each(function(){\n $(this).data('zfPlugin')._init();\n });\n }else{\n var type = typeof plugins,\n _this = this,\n fns = {\n 'object': function(plgs){\n plgs.forEach(function(p){\n p = hyphenate(p);\n $('[data-'+ p +']').foundation('_init');\n });\n },\n 'string': function(){\n plugins = hyphenate(plugins);\n $('[data-'+ plugins +']').foundation('_init');\n },\n 'undefined': function(){\n this.object(Object.keys(_this._plugins));\n }\n };\n fns[type](plugins);\n }\n }catch(err){\n console.error(err);\n }finally{\n return plugins;\n }\n },\n\n /**\n * Initialize plugins on any elements within `elem` (and `elem` itself) that aren't already initialized.\n * @param {Object} elem - jQuery object containing the element to check inside. Also checks the element itself, unless it's the `document` object.\n * @param {String|Array} plugins - A list of plugins to initialize. Leave this out to initialize everything.\n */\n reflow: function(elem, plugins) {\n\n // If plugins is undefined, just grab everything\n if (typeof plugins === 'undefined') {\n plugins = Object.keys(this._plugins);\n }\n // If plugins is a string, convert it to an array with one item\n else if (typeof plugins === 'string') {\n plugins = [plugins];\n }\n\n var _this = this;\n\n // Iterate through each plugin\n $.each(plugins, function(i, name) {\n // Get the current plugin\n var plugin = _this._plugins[name];\n\n // Localize the search to all elements inside elem, as well as elem itself, unless elem === document\n var $elem = $(elem).find('[data-'+name+']').addBack('[data-'+name+']').filter(function () {\n return typeof $(this).data(\"zfPlugin\") === 'undefined';\n });\n\n // For each plugin found, initialize it\n $elem.each(function() {\n var $el = $(this),\n opts = { reflow: true };\n\n if($el.attr('data-options')){\n $el.attr('data-options').split(';').forEach(function(option){\n var opt = option.split(':').map(function(el){ return el.trim(); });\n if(opt[0]) opts[opt[0]] = parseValue(opt[1]);\n });\n }\n try{\n $el.data('zfPlugin', new plugin($(this), opts));\n }catch(er){\n console.error(er);\n }finally{\n return;\n }\n });\n });\n },\n getFnName: functionName,\n\n addToJquery: function() {\n // TODO: consider not making this a jQuery function\n // TODO: need way to reflow vs. re-initialize\n /**\n * The Foundation jQuery method.\n * @param {String|Array} method - An action to perform on the current jQuery object.\n */\n var foundation = function(method) {\n var type = typeof method,\n $noJS = $('.no-js');\n\n if($noJS.length){\n $noJS.removeClass('no-js');\n }\n\n if(type === 'undefined'){//needs to initialize the Foundation object, or an individual plugin.\n MediaQuery._init();\n Foundation.reflow(this);\n }else if(type === 'string'){//an individual method to invoke on a plugin or group of plugins\n var args = Array.prototype.slice.call(arguments, 1);//collect all the arguments, if necessary\n var plugClass = this.data('zfPlugin');//determine the class of plugin\n\n if(typeof plugClass !== 'undefined' && typeof plugClass[method] !== 'undefined'){//make sure both the class and method exist\n if(this.length === 1){//if there's only one, call it directly.\n plugClass[method].apply(plugClass, args);\n }else{\n this.each(function(i, el){//otherwise loop through the jQuery collection and invoke the method on each\n plugClass[method].apply($(el).data('zfPlugin'), args);\n });\n }\n }else{//error for no class or no method\n throw new ReferenceError(\"We're sorry, '\" + method + \"' is not an available method for \" + (plugClass ? functionName(plugClass) : 'this element') + '.');\n }\n }else{//error for invalid argument type\n throw new TypeError(`We're sorry, ${type} is not a valid parameter. You must use a string representing the method you wish to invoke.`);\n }\n return this;\n };\n $.fn.foundation = foundation;\n return $;\n }\n};\n\nFoundation.util = {\n /**\n * Function for applying a debounce effect to a function call.\n * @function\n * @param {Function} func - Function to be called at end of timeout.\n * @param {Number} delay - Time in ms to delay the call of `func`.\n * @returns function\n */\n throttle: function (func, delay) {\n var timer = null;\n\n return function () {\n var context = this, args = arguments;\n\n if (timer === null) {\n timer = setTimeout(function () {\n func.apply(context, args);\n timer = null;\n }, delay);\n }\n };\n }\n};\n\nwindow.Foundation = Foundation;\n\n// Polyfill for requestAnimationFrame\n(function() {\n if (!Date.now || !window.Date.now)\n window.Date.now = Date.now = function() { return new Date().getTime(); };\n\n var vendors = ['webkit', 'moz'];\n for (var i = 0; i < vendors.length && !window.requestAnimationFrame; ++i) {\n var vp = vendors[i];\n window.requestAnimationFrame = window[vp+'RequestAnimationFrame'];\n window.cancelAnimationFrame = (window[vp+'CancelAnimationFrame']\n || window[vp+'CancelRequestAnimationFrame']);\n }\n if (/iP(ad|hone|od).*OS 6/.test(window.navigator.userAgent)\n || !window.requestAnimationFrame || !window.cancelAnimationFrame) {\n var lastTime = 0;\n window.requestAnimationFrame = function(callback) {\n var now = Date.now();\n var nextTime = Math.max(lastTime + 16, now);\n return setTimeout(function() { callback(lastTime = nextTime); },\n nextTime - now);\n };\n window.cancelAnimationFrame = clearTimeout;\n }\n /**\n * Polyfill for performance.now, required by rAF\n */\n if(!window.performance || !window.performance.now){\n window.performance = {\n start: Date.now(),\n now: function(){ return Date.now() - this.start; }\n };\n }\n})();\nif (!Function.prototype.bind) {\n /* eslint-disable no-extend-native */\n Function.prototype.bind = function(oThis) {\n if (typeof this !== 'function') {\n // closest thing possible to the ECMAScript 5\n // internal IsCallable function\n throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');\n }\n\n var aArgs = Array.prototype.slice.call(arguments, 1),\n fToBind = this,\n fNOP = function() {},\n fBound = function() {\n return fToBind.apply(this instanceof fNOP\n ? this\n : oThis,\n aArgs.concat(Array.prototype.slice.call(arguments)));\n };\n\n if (this.prototype) {\n // native functions don't have a prototype\n fNOP.prototype = this.prototype;\n }\n fBound.prototype = new fNOP();\n\n return fBound;\n };\n}\n// Polyfill to get the name of a function in IE9\nfunction functionName(fn) {\n if (typeof Function.prototype.name === 'undefined') {\n var funcNameRegex = /function\\s([^(]{1,})\\(/;\n var results = (funcNameRegex).exec((fn).toString());\n return (results && results.length > 1) ? results[1].trim() : \"\";\n }\n else if (typeof fn.prototype === 'undefined') {\n return fn.constructor.name;\n }\n else {\n return fn.prototype.constructor.name;\n }\n}\nfunction parseValue(str){\n if ('true' === str) return true;\n else if ('false' === str) return false;\n else if (!isNaN(str * 1)) return parseFloat(str);\n return str;\n}\n// Convert PascalCase to kebab-case\n// Thank you: http://stackoverflow.com/a/8955580\nfunction hyphenate(str) {\n return str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();\n}\n\nexport {Foundation};\n","var Box = {\n ImNotTouchingYou: ImNotTouchingYou,\n OverlapArea: OverlapArea,\n GetDimensions: GetDimensions,\n GetExplicitOffsets: GetExplicitOffsets\n}\n\n/**\n * Compares the dimensions of an element to a container and determines collision events with container.\n * @function\n * @param {jQuery} element - jQuery object to test for collisions.\n * @param {jQuery} parent - jQuery object to use as bounding container.\n * @param {Boolean} lrOnly - set to true to check left and right values only.\n * @param {Boolean} tbOnly - set to true to check top and bottom values only.\n * @default if no parent object passed, detects collisions with `window`.\n * @returns {Boolean} - true if collision free, false if a collision in any direction.\n */\nfunction ImNotTouchingYou(element, parent, lrOnly, tbOnly, ignoreBottom) {\n return OverlapArea(element, parent, lrOnly, tbOnly, ignoreBottom) === 0;\n}\n\nfunction OverlapArea(element, parent, lrOnly, tbOnly, ignoreBottom) {\n var eleDims = GetDimensions(element),\n topOver, bottomOver, leftOver, rightOver;\n if (parent) {\n var parDims = GetDimensions(parent);\n\n bottomOver = (parDims.height + parDims.offset.top) - (eleDims.offset.top + eleDims.height);\n topOver = eleDims.offset.top - parDims.offset.top;\n leftOver = eleDims.offset.left - parDims.offset.left;\n rightOver = (parDims.width + parDims.offset.left) - (eleDims.offset.left + eleDims.width);\n }\n else {\n bottomOver = (eleDims.windowDims.height + eleDims.windowDims.offset.top) - (eleDims.offset.top + eleDims.height);\n topOver = eleDims.offset.top - eleDims.windowDims.offset.top;\n leftOver = eleDims.offset.left - eleDims.windowDims.offset.left;\n rightOver = eleDims.windowDims.width - (eleDims.offset.left + eleDims.width);\n }\n\n bottomOver = ignoreBottom ? 0 : Math.min(bottomOver, 0);\n topOver = Math.min(topOver, 0);\n leftOver = Math.min(leftOver, 0);\n rightOver = Math.min(rightOver, 0);\n\n if (lrOnly) {\n return leftOver + rightOver;\n }\n if (tbOnly) {\n return topOver + bottomOver;\n }\n\n // use sum of squares b/c we care about overlap area.\n return Math.sqrt((topOver * topOver) + (bottomOver * bottomOver) + (leftOver * leftOver) + (rightOver * rightOver));\n}\n\n/**\n * Uses native methods to return an object of dimension values.\n * @function\n * @param {jQuery || HTML} element - jQuery object or DOM element for which to get the dimensions. Can be any element other that document or window.\n * @returns {Object} - nested object of integer pixel values\n * TODO - if element is window, return only those values.\n */\nfunction GetDimensions(elem){\n elem = elem.length ? elem[0] : elem;\n\n if (elem === window || elem === document) {\n throw new Error(\"I'm sorry, Dave. I'm afraid I can't do that.\");\n }\n\n var rect = elem.getBoundingClientRect(),\n parRect = elem.parentNode.getBoundingClientRect(),\n winRect = document.body.getBoundingClientRect(),\n winY = window.pageYOffset,\n winX = window.pageXOffset;\n\n return {\n width: rect.width,\n height: rect.height,\n offset: {\n top: rect.top + winY,\n left: rect.left + winX\n },\n parentDims: {\n width: parRect.width,\n height: parRect.height,\n offset: {\n top: parRect.top + winY,\n left: parRect.left + winX\n }\n },\n windowDims: {\n width: winRect.width,\n height: winRect.height,\n offset: {\n top: winY,\n left: winX\n }\n }\n }\n}\n\n/**\n * Returns an object of top and left integer pixel values for dynamically rendered elements,\n * such as: Tooltip, Reveal, and Dropdown. Maintained for backwards compatibility, and where\n * you don't know alignment, but generally from\n * 6.4 forward you should use GetExplicitOffsets, as GetOffsets conflates position and alignment.\n * @function\n * @param {jQuery} element - jQuery object for the element being positioned.\n * @param {jQuery} anchor - jQuery object for the element's anchor point.\n * @param {String} position - a string relating to the desired position of the element, relative to it's anchor\n * @param {Number} vOffset - integer pixel value of desired vertical separation between anchor and element.\n * @param {Number} hOffset - integer pixel value of desired horizontal separation between anchor and element.\n * @param {Boolean} isOverflow - if a collision event is detected, sets to true to default the element to full width - any desired offset.\n * TODO alter/rewrite to work with `em` values as well/instead of pixels\n */\nfunction GetExplicitOffsets(element, anchor, position, alignment, vOffset, hOffset, isOverflow) {\n var $eleDims = GetDimensions(element),\n $anchorDims = anchor ? GetDimensions(anchor) : null;\n\n var topVal, leftVal;\n\n if ($anchorDims !== null) {\n // set position related attribute\n switch (position) {\n case 'top':\n topVal = $anchorDims.offset.top - ($eleDims.height + vOffset);\n break;\n case 'bottom':\n topVal = $anchorDims.offset.top + $anchorDims.height + vOffset;\n break;\n case 'left':\n leftVal = $anchorDims.offset.left - ($eleDims.width + hOffset);\n break;\n case 'right':\n leftVal = $anchorDims.offset.left + $anchorDims.width + hOffset;\n break;\n }\n\n // set alignment related attribute\n switch (position) {\n case 'top':\n case 'bottom':\n switch (alignment) {\n case 'left':\n leftVal = $anchorDims.offset.left + hOffset;\n break;\n case 'right':\n leftVal = $anchorDims.offset.left - $eleDims.width + $anchorDims.width - hOffset;\n break;\n case 'center':\n leftVal = isOverflow ? hOffset : (($anchorDims.offset.left + ($anchorDims.width / 2)) - ($eleDims.width / 2)) + hOffset;\n break;\n }\n break;\n case 'right':\n case 'left':\n switch (alignment) {\n case 'bottom':\n topVal = $anchorDims.offset.top - vOffset + $anchorDims.height - $eleDims.height;\n break;\n case 'top':\n topVal = $anchorDims.offset.top + vOffset\n break;\n case 'center':\n topVal = ($anchorDims.offset.top + vOffset + ($anchorDims.height / 2)) - ($eleDims.height / 2)\n break;\n }\n break;\n }\n }\n\n return {top: topVal, left: leftVal};\n}\n\nexport {Box};\n","import $ from 'jquery';\n\n/**\n * Runs a callback function when images are fully loaded.\n * @param {Object} images - Image(s) to check if loaded.\n * @param {Func} callback - Function to execute when image is fully loaded.\n */\nfunction onImagesLoaded(images, callback){\n var unloaded = images.length;\n\n if (unloaded === 0) {\n callback();\n }\n\n images.each(function(){\n // Check if image is loaded\n if (this.complete && typeof this.naturalWidth !== 'undefined') {\n singleImageLoaded();\n }\n else {\n // If the above check failed, simulate loading on detached element.\n var image = new Image();\n // Still count image as loaded if it finalizes with an error.\n var events = \"load.zf.images error.zf.images\";\n $(image).one(events, function me(){\n // Unbind the event listeners. We're using 'one' but only one of the two events will have fired.\n $(this).off(events, me);\n singleImageLoaded();\n });\n image.src = $(this).attr('src');\n }\n });\n\n function singleImageLoaded() {\n unloaded--;\n if (unloaded === 0) {\n callback();\n }\n }\n}\n\nexport { onImagesLoaded };\n","/*******************************************\n * *\n * This util was created by Marius Olbertz *\n * Please thank Marius on GitHub /owlbertz *\n * or the web http://www.mariusolbertz.de/ *\n * *\n ******************************************/\n\nimport $ from 'jquery';\nimport { rtl as Rtl } from './foundation.core.utils';\n\nconst keyCodes = {\n 9: 'TAB',\n 13: 'ENTER',\n 27: 'ESCAPE',\n 32: 'SPACE',\n 35: 'END',\n 36: 'HOME',\n 37: 'ARROW_LEFT',\n 38: 'ARROW_UP',\n 39: 'ARROW_RIGHT',\n 40: 'ARROW_DOWN'\n}\n\nvar commands = {}\n\n// Functions pulled out to be referenceable from internals\nfunction findFocusable($element) {\n if(!$element) {return false; }\n return $element.find('a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, *[tabindex], *[contenteditable]').filter(function() {\n if (!$(this).is(':visible') || $(this).attr('tabindex') < 0) { return false; } //only have visible elements and those that have a tabindex greater or equal 0\n return true;\n })\n .sort( function( a, b ) {\n if ($(a).attr('tabindex') === $(b).attr('tabindex')) {\n return 0;\n }\n let aTabIndex = parseInt($(a).attr('tabindex'), 10),\n bTabIndex = parseInt($(b).attr('tabindex'), 10);\n // Undefined is treated the same as 0\n if (typeof $(a).attr('tabindex') === 'undefined' && bTabIndex > 0) {\n return 1;\n }\n if (typeof $(b).attr('tabindex') === 'undefined' && aTabIndex > 0) {\n return -1;\n }\n if (aTabIndex === 0 && bTabIndex > 0) {\n return 1;\n }\n if (bTabIndex === 0 && aTabIndex > 0) {\n return -1;\n }\n if (aTabIndex < bTabIndex) {\n return -1;\n }\n if (aTabIndex > bTabIndex) {\n return 1;\n }\n });\n}\n\nfunction parseKey(event) {\n var key = keyCodes[event.which || event.keyCode] || String.fromCharCode(event.which).toUpperCase();\n\n // Remove un-printable characters, e.g. for `fromCharCode` calls for CTRL only events\n key = key.replace(/\\W+/, '');\n\n if (event.shiftKey) key = `SHIFT_${key}`;\n if (event.ctrlKey) key = `CTRL_${key}`;\n if (event.altKey) key = `ALT_${key}`;\n\n // Remove trailing underscore, in case only modifiers were used (e.g. only `CTRL_ALT`)\n key = key.replace(/_$/, '');\n\n return key;\n}\n\nvar Keyboard = {\n keys: getKeyCodes(keyCodes),\n\n /**\n * Parses the (keyboard) event and returns a String that represents its key\n * Can be used like Foundation.parseKey(event) === Foundation.keys.SPACE\n * @param {Event} event - the event generated by the event handler\n * @return String key - String that represents the key pressed\n */\n parseKey: parseKey,\n\n /**\n * Handles the given (keyboard) event\n * @param {Event} event - the event generated by the event handler\n * @param {String} component - Foundation component's name, e.g. Slider or Reveal\n * @param {Objects} functions - collection of functions that are to be executed\n */\n handleKey(event, component, functions) {\n var commandList = commands[component],\n keyCode = this.parseKey(event),\n cmds,\n command,\n fn;\n\n if (!commandList) return console.warn('Component not defined!');\n\n // Ignore the event if it was already handled\n if (event.zfIsKeyHandled === true) return;\n\n // This component does not differentiate between ltr and rtl\n if (typeof commandList.ltr === 'undefined') {\n cmds = commandList; // use plain list\n } else { // merge ltr and rtl: if document is rtl, rtl overwrites ltr and vice versa\n if (Rtl()) cmds = $.extend({}, commandList.ltr, commandList.rtl);\n\n else cmds = $.extend({}, commandList.rtl, commandList.ltr);\n }\n command = cmds[keyCode];\n\n fn = functions[command];\n // Execute the handler if found\n if (fn && typeof fn === 'function') {\n var returnValue = fn.apply();\n\n // Mark the event as \"handled\" to prevent future handlings\n event.zfIsKeyHandled = true;\n\n // Execute function when event was handled\n if (functions.handled || typeof functions.handled === 'function') {\n functions.handled(returnValue);\n }\n } else {\n // Execute function when event was not handled\n if (functions.unhandled || typeof functions.unhandled === 'function') {\n functions.unhandled();\n }\n }\n },\n\n /**\n * Finds all focusable elements within the given `$element`\n * @param {jQuery} $element - jQuery object to search within\n * @return {jQuery} $focusable - all focusable elements within `$element`\n */\n\n findFocusable: findFocusable,\n\n /**\n * Returns the component name name\n * @param {Object} component - Foundation component, e.g. Slider or Reveal\n * @return String componentName\n */\n\n register(componentName, cmds) {\n commands[componentName] = cmds;\n },\n\n\n // TODO9438: These references to Keyboard need to not require global. Will 'this' work in this context?\n //\n /**\n * Traps the focus in the given element.\n * @param {jQuery} $element jQuery object to trap the foucs into.\n */\n trapFocus($element) {\n var $focusable = findFocusable($element),\n $firstFocusable = $focusable.eq(0),\n $lastFocusable = $focusable.eq(-1);\n\n $element.on('keydown.zf.trapfocus', function(event) {\n if (event.target === $lastFocusable[0] && parseKey(event) === 'TAB') {\n event.preventDefault();\n $firstFocusable.focus();\n }\n else if (event.target === $firstFocusable[0] && parseKey(event) === 'SHIFT_TAB') {\n event.preventDefault();\n $lastFocusable.focus();\n }\n });\n },\n /**\n * Releases the trapped focus from the given element.\n * @param {jQuery} $element jQuery object to release the focus for.\n */\n releaseFocus($element) {\n $element.off('keydown.zf.trapfocus');\n }\n}\n\n/*\n * Constants for easier comparing.\n * Can be used like Foundation.parseKey(event) === Foundation.keys.SPACE\n */\nfunction getKeyCodes(kcs) {\n var k = {};\n for (var kc in kcs) {\n if (kcs.hasOwnProperty(kc)) k[kcs[kc]] = kcs[kc];\n }\n return k;\n}\n\nexport {Keyboard};\n","import $ from 'jquery';\nimport { transitionend } from './foundation.core.utils';\n\n/**\n * Motion module.\n * @module foundation.motion\n */\n\nconst initClasses = ['mui-enter', 'mui-leave'];\nconst activeClasses = ['mui-enter-active', 'mui-leave-active'];\n\nconst Motion = {\n animateIn: function(element, animation, cb) {\n animate(true, element, animation, cb);\n },\n\n animateOut: function(element, animation, cb) {\n animate(false, element, animation, cb);\n }\n}\n\nfunction Move(duration, elem, fn){\n var anim, prog, start = null;\n\n if (duration === 0) {\n fn.apply(elem);\n elem.trigger('finished.zf.animate', [elem]).triggerHandler('finished.zf.animate', [elem]);\n return;\n }\n\n function move(ts){\n if(!start) start = ts;\n prog = ts - start;\n fn.apply(elem);\n\n if(prog < duration){ anim = window.requestAnimationFrame(move, elem); }\n else{\n window.cancelAnimationFrame(anim);\n elem.trigger('finished.zf.animate', [elem]).triggerHandler('finished.zf.animate', [elem]);\n }\n }\n anim = window.requestAnimationFrame(move);\n}\n\n/**\n * Animates an element in or out using a CSS transition class.\n * @function\n * @private\n * @param {Boolean} isIn - Defines if the animation is in or out.\n * @param {Object} element - jQuery or HTML object to animate.\n * @param {String} animation - CSS class to use.\n * @param {Function} cb - Callback to run when animation is finished.\n */\nfunction animate(isIn, element, animation, cb) {\n element = $(element).eq(0);\n\n if (!element.length) return;\n\n var initClass = isIn ? initClasses[0] : initClasses[1];\n var activeClass = isIn ? activeClasses[0] : activeClasses[1];\n\n // Set up the animation\n reset();\n\n element\n .addClass(animation)\n .css('transition', 'none');\n\n requestAnimationFrame(() => {\n element.addClass(initClass);\n if (isIn) element.show();\n });\n\n // Start the animation\n requestAnimationFrame(() => {\n // will trigger the browser to synchronously calculate the style and layout\n // also called reflow or layout thrashing\n // see https://gist.github.com/paulirish/5d52fb081b3570c81e3a\n element[0].offsetWidth;\n element\n .css('transition', '')\n .addClass(activeClass);\n });\n\n // Clean up the animation when it finishes\n element.one(transitionend(element), finish);\n\n // Hides the element (for out animations), resets the element, and runs a callback\n function finish() {\n if (!isIn) element.hide();\n reset();\n if (cb) cb.apply(element);\n }\n\n // Resets transitions and removes motion-specific classes\n function reset() {\n element[0].style.transitionDuration = 0;\n element.removeClass(`${initClass} ${activeClass} ${animation}`);\n }\n}\n\nexport { Move, Motion };\n\n","import $ from 'jquery';\n\nconst Nest = {\n Feather(menu, type = 'zf') {\n menu.attr('role', 'menubar');\n menu.find('a').attr({'role': 'menuitem'});\n\n var items = menu.find('li').attr({'role': 'none'}),\n subMenuClass = `is-${type}-submenu`,\n subItemClass = `${subMenuClass}-item`,\n hasSubClass = `is-${type}-submenu-parent`,\n applyAria = (type !== 'accordion'); // Accordions handle their own ARIA attriutes.\n\n items.each(function() {\n var $item = $(this),\n $sub = $item.children('ul');\n\n if ($sub.length) {\n $item.addClass(hasSubClass);\n if(applyAria) {\n const firstItem = $item.children('a:first');\n firstItem.attr({\n 'aria-haspopup': true,\n 'aria-label': firstItem.attr('aria-label') || firstItem.text()\n });\n // Note: Drilldowns behave differently in how they hide, and so need\n // additional attributes. We should look if this possibly over-generalized\n // utility (Nest) is appropriate when we rework menus in 6.4\n if(type === 'drilldown') {\n $item.attr({'aria-expanded': false});\n }\n }\n $sub\n .addClass(`submenu ${subMenuClass}`)\n .attr({\n 'data-submenu': '',\n 'role': 'menubar'\n });\n if(type === 'drilldown') {\n $sub.attr({'aria-hidden': true});\n }\n }\n\n if ($item.parent('[data-submenu]').length) {\n $item.addClass(`is-submenu-item ${subItemClass}`);\n }\n });\n\n return;\n },\n\n Burn(menu, type) {\n var //items = menu.find('li'),\n subMenuClass = `is-${type}-submenu`,\n subItemClass = `${subMenuClass}-item`,\n hasSubClass = `is-${type}-submenu-parent`;\n\n menu\n .find('>li, > li > ul, .menu, .menu > li, [data-submenu] > li')\n .removeClass(`${subMenuClass} ${subItemClass} ${hasSubClass} is-submenu-item submenu is-active`)\n .removeAttr('data-submenu').css('display', '');\n\n }\n}\n\nexport {Nest};\n","function Timer(elem, options, cb) {\n var _this = this,\n duration = options.duration,//options is an object for easily adding features later.\n nameSpace = Object.keys(elem.data())[0] || 'timer',\n remain = -1,\n start,\n timer;\n\n this.isPaused = false;\n\n this.restart = function() {\n remain = -1;\n clearTimeout(timer);\n this.start();\n }\n\n this.start = function() {\n this.isPaused = false;\n // if(!elem.data('paused')){ return false; }//maybe implement this sanity check if used for other things.\n clearTimeout(timer);\n remain = remain <= 0 ? duration : remain;\n elem.data('paused', false);\n start = Date.now();\n timer = setTimeout(function(){\n if(options.infinite){\n _this.restart();//rerun the timer.\n }\n if (cb && typeof cb === 'function') { cb(); }\n }, remain);\n elem.trigger(`timerstart.zf.${nameSpace}`);\n }\n\n this.pause = function() {\n this.isPaused = true;\n //if(elem.data('paused')){ return false; }//maybe implement this sanity check if used for other things.\n clearTimeout(timer);\n elem.data('paused', true);\n var end = Date.now();\n remain = remain - (end - start);\n elem.trigger(`timerpaused.zf.${nameSpace}`);\n }\n}\n\nexport {Timer};\n","//**************************************************\n//**Work inspired by multiple jquery swipe plugins**\n//**Done by Yohai Ararat ***************************\n//**************************************************\n\nimport $ from 'jquery';\n\nvar Touch = {};\n\nvar startPosX,\n startTime,\n elapsedTime,\n startEvent,\n isMoving = false,\n didMoved = false;\n\nfunction onTouchEnd(e) {\n this.removeEventListener('touchmove', onTouchMove);\n this.removeEventListener('touchend', onTouchEnd);\n\n // If the touch did not move, consider it as a \"tap\"\n if (!didMoved) {\n var tapEvent = $.Event('tap', startEvent || e);\n $(this).trigger(tapEvent);\n }\n\n startEvent = null;\n isMoving = false;\n didMoved = false;\n}\n\nfunction onTouchMove(e) {\n if (true === $.spotSwipe.preventDefault) { e.preventDefault(); }\n\n if(isMoving) {\n var x = e.touches[0].pageX;\n // var y = e.touches[0].pageY;\n var dx = startPosX - x;\n // var dy = startPosY - y;\n var dir;\n didMoved = true;\n elapsedTime = new Date().getTime() - startTime;\n if(Math.abs(dx) >= $.spotSwipe.moveThreshold && elapsedTime <= $.spotSwipe.timeThreshold) {\n dir = dx > 0 ? 'left' : 'right';\n }\n // else if(Math.abs(dy) >= $.spotSwipe.moveThreshold && elapsedTime <= $.spotSwipe.timeThreshold) {\n // dir = dy > 0 ? 'down' : 'up';\n // }\n if(dir) {\n e.preventDefault();\n onTouchEnd.apply(this, arguments);\n $(this)\n .trigger($.Event('swipe', Object.assign({}, e)), dir)\n .trigger($.Event(`swipe${dir}`, Object.assign({}, e)));\n }\n }\n\n}\n\nfunction onTouchStart(e) {\n\n if (e.touches.length === 1) {\n startPosX = e.touches[0].pageX;\n startEvent = e;\n isMoving = true;\n didMoved = false;\n startTime = new Date().getTime();\n this.addEventListener('touchmove', onTouchMove, { passive : true === $.spotSwipe.preventDefault });\n this.addEventListener('touchend', onTouchEnd, false);\n }\n}\n\nfunction init() {\n this.addEventListener && this.addEventListener('touchstart', onTouchStart, { passive : true });\n}\n\n// function teardown() {\n// this.removeEventListener('touchstart', onTouchStart);\n// }\n\nclass SpotSwipe {\n constructor() {\n this.version = '1.0.0';\n this.enabled = 'ontouchstart' in document.documentElement;\n this.preventDefault = false;\n this.moveThreshold = 75;\n this.timeThreshold = 200;\n this._init();\n }\n\n _init() {\n $.event.special.swipe = { setup: init };\n $.event.special.tap = { setup: init };\n\n $.each(['left', 'up', 'down', 'right'], function () {\n $.event.special[`swipe${this}`] = { setup: function(){\n $(this).on('swipe', $.noop);\n } };\n });\n }\n}\n\n/****************************************************\n * As far as I can tell, both setupSpotSwipe and *\n * setupTouchHandler should be idempotent, *\n * because they directly replace functions & *\n * values, and do not add event handlers directly. *\n ****************************************************/\n\nTouch.setupSpotSwipe = function() {\n $.spotSwipe = new SpotSwipe($);\n};\n\n/****************************************************\n * Method for adding pseudo drag events to elements *\n ***************************************************/\nTouch.setupTouchHandler = function() {\n $.fn.addTouch = function(){\n this.each(function(i, el){\n $(el).bind('touchstart touchmove touchend touchcancel', function(event) {\n //we pass the original event object because the jQuery event\n //object is normalized to w3c specs and does not provide the TouchList\n handleTouch(event);\n });\n });\n\n var handleTouch = function(event) {\n var touches = event.changedTouches,\n first = touches[0],\n eventTypes = {\n touchstart: 'mousedown',\n touchmove: 'mousemove',\n touchend: 'mouseup'\n },\n type = eventTypes[event.type],\n simulatedEvent\n ;\n\n if('MouseEvent' in window && typeof window.MouseEvent === 'function') {\n simulatedEvent = new window.MouseEvent(type, {\n 'bubbles': true,\n 'cancelable': true,\n 'screenX': first.screenX,\n 'screenY': first.screenY,\n 'clientX': first.clientX,\n 'clientY': first.clientY\n });\n } else {\n simulatedEvent = document.createEvent('MouseEvent');\n simulatedEvent.initMouseEvent(type, true, true, window, 1, first.screenX, first.screenY, first.clientX, first.clientY, false, false, false, false, 0/*left*/, null);\n }\n first.target.dispatchEvent(simulatedEvent);\n };\n };\n};\n\nTouch.init = function () {\n if(typeof($.spotSwipe) === 'undefined') {\n Touch.setupSpotSwipe($);\n Touch.setupTouchHandler($);\n }\n};\n\nexport {Touch};\n","import $ from 'jquery';\nimport { onLoad } from './foundation.core.utils';\nimport { Motion } from './foundation.util.motion';\n\nconst MutationObserver = (function () {\n var prefixes = ['WebKit', 'Moz', 'O', 'Ms', ''];\n for (var i=0; i < prefixes.length; i++) {\n if (`${prefixes[i]}MutationObserver` in window) {\n return window[`${prefixes[i]}MutationObserver`];\n }\n }\n return false;\n})();\n\nconst triggers = (el, type) => {\n el.data(type).split(' ').forEach(id => {\n $(`#${id}`)[ type === 'close' ? 'trigger' : 'triggerHandler'](`${type}.zf.trigger`, [el]);\n });\n};\n\nvar Triggers = {\n Listeners: {\n Basic: {},\n Global: {}\n },\n Initializers: {}\n}\n\nTriggers.Listeners.Basic = {\n openListener: function() {\n triggers($(this), 'open');\n },\n closeListener: function() {\n let id = $(this).data('close');\n if (id) {\n triggers($(this), 'close');\n }\n else {\n $(this).trigger('close.zf.trigger');\n }\n },\n toggleListener: function() {\n let id = $(this).data('toggle');\n if (id) {\n triggers($(this), 'toggle');\n } else {\n $(this).trigger('toggle.zf.trigger');\n }\n },\n closeableListener: function(e) {\n let animation = $(this).data('closable');\n\n // Only close the first closable element. See https://git.io/zf-7833\n e.stopPropagation();\n\n if(animation !== ''){\n Motion.animateOut($(this), animation, function() {\n $(this).trigger('closed.zf');\n });\n }else{\n $(this).fadeOut().trigger('closed.zf');\n }\n },\n toggleFocusListener: function() {\n let id = $(this).data('toggle-focus');\n $(`#${id}`).triggerHandler('toggle.zf.trigger', [$(this)]);\n }\n};\n\n// Elements with [data-open] will reveal a plugin that supports it when clicked.\nTriggers.Initializers.addOpenListener = ($elem) => {\n $elem.off('click.zf.trigger', Triggers.Listeners.Basic.openListener);\n $elem.on('click.zf.trigger', '[data-open]', Triggers.Listeners.Basic.openListener);\n}\n\n// Elements with [data-close] will close a plugin that supports it when clicked.\n// If used without a value on [data-close], the event will bubble, allowing it to close a parent component.\nTriggers.Initializers.addCloseListener = ($elem) => {\n $elem.off('click.zf.trigger', Triggers.Listeners.Basic.closeListener);\n $elem.on('click.zf.trigger', '[data-close]', Triggers.Listeners.Basic.closeListener);\n}\n\n// Elements with [data-toggle] will toggle a plugin that supports it when clicked.\nTriggers.Initializers.addToggleListener = ($elem) => {\n $elem.off('click.zf.trigger', Triggers.Listeners.Basic.toggleListener);\n $elem.on('click.zf.trigger', '[data-toggle]', Triggers.Listeners.Basic.toggleListener);\n}\n\n// Elements with [data-closable] will respond to close.zf.trigger events.\nTriggers.Initializers.addCloseableListener = ($elem) => {\n $elem.off('close.zf.trigger', Triggers.Listeners.Basic.closeableListener);\n $elem.on('close.zf.trigger', '[data-closeable], [data-closable]', Triggers.Listeners.Basic.closeableListener);\n}\n\n// Elements with [data-toggle-focus] will respond to coming in and out of focus\nTriggers.Initializers.addToggleFocusListener = ($elem) => {\n $elem.off('focus.zf.trigger blur.zf.trigger', Triggers.Listeners.Basic.toggleFocusListener);\n $elem.on('focus.zf.trigger blur.zf.trigger', '[data-toggle-focus]', Triggers.Listeners.Basic.toggleFocusListener);\n}\n\n\n\n// More Global/complex listeners and triggers\nTriggers.Listeners.Global = {\n resizeListener: function($nodes) {\n if(!MutationObserver){//fallback for IE 9\n $nodes.each(function(){\n $(this).triggerHandler('resizeme.zf.trigger');\n });\n }\n //trigger all listening elements and signal a resize event\n $nodes.attr('data-events', \"resize\");\n },\n scrollListener: function($nodes) {\n if(!MutationObserver){//fallback for IE 9\n $nodes.each(function(){\n $(this).triggerHandler('scrollme.zf.trigger');\n });\n }\n //trigger all listening elements and signal a scroll event\n $nodes.attr('data-events', \"scroll\");\n },\n closeMeListener: function(e, pluginId){\n let plugin = e.namespace.split('.')[0];\n let plugins = $(`[data-${plugin}]`).not(`[data-yeti-box=\"${pluginId}\"]`);\n\n plugins.each(function(){\n let _this = $(this);\n _this.triggerHandler('close.zf.trigger', [_this]);\n });\n }\n}\n\n// Global, parses whole document.\nTriggers.Initializers.addClosemeListener = function(pluginName) {\n var yetiBoxes = $('[data-yeti-box]'),\n plugNames = ['dropdown', 'tooltip', 'reveal'];\n\n if(pluginName){\n if(typeof pluginName === 'string'){\n plugNames.push(pluginName);\n }else if(typeof pluginName === 'object' && typeof pluginName[0] === 'string'){\n plugNames = plugNames.concat(pluginName);\n }else{\n console.error('Plugin names must be strings');\n }\n }\n if(yetiBoxes.length){\n let listeners = plugNames.map((name) => {\n return `closeme.zf.${name}`;\n }).join(' ');\n\n $(window).off(listeners).on(listeners, Triggers.Listeners.Global.closeMeListener);\n }\n}\n\nfunction debounceGlobalListener(debounce, trigger, listener) {\n let timer, args = Array.prototype.slice.call(arguments, 3);\n $(window).on(trigger, function() {\n if (timer) { clearTimeout(timer); }\n timer = setTimeout(function(){\n listener.apply(null, args);\n }, debounce || 10); //default time to emit scroll event\n });\n}\n\nTriggers.Initializers.addResizeListener = function(debounce){\n let $nodes = $('[data-resize]');\n if($nodes.length){\n debounceGlobalListener(debounce, 'resize.zf.trigger', Triggers.Listeners.Global.resizeListener, $nodes);\n }\n}\n\nTriggers.Initializers.addScrollListener = function(debounce){\n let $nodes = $('[data-scroll]');\n if($nodes.length){\n debounceGlobalListener(debounce, 'scroll.zf.trigger', Triggers.Listeners.Global.scrollListener, $nodes);\n }\n}\n\nTriggers.Initializers.addMutationEventsListener = function($elem) {\n if(!MutationObserver){ return false; }\n let $nodes = $elem.find('[data-resize], [data-scroll], [data-mutate]');\n\n //element callback\n var listeningElementsMutation = function (mutationRecordsList) {\n var $target = $(mutationRecordsList[0].target);\n\n //trigger the event handler for the element depending on type\n switch (mutationRecordsList[0].type) {\n case \"attributes\":\n if ($target.attr(\"data-events\") === \"scroll\" && mutationRecordsList[0].attributeName === \"data-events\") {\n $target.triggerHandler('scrollme.zf.trigger', [$target, window.pageYOffset]);\n }\n if ($target.attr(\"data-events\") === \"resize\" && mutationRecordsList[0].attributeName === \"data-events\") {\n $target.triggerHandler('resizeme.zf.trigger', [$target]);\n }\n if (mutationRecordsList[0].attributeName === \"style\") {\n $target.closest(\"[data-mutate]\").attr(\"data-events\",\"mutate\");\n $target.closest(\"[data-mutate]\").triggerHandler('mutateme.zf.trigger', [$target.closest(\"[data-mutate]\")]);\n }\n break;\n\n case \"childList\":\n $target.closest(\"[data-mutate]\").attr(\"data-events\",\"mutate\");\n $target.closest(\"[data-mutate]\").triggerHandler('mutateme.zf.trigger', [$target.closest(\"[data-mutate]\")]);\n break;\n\n default:\n return false;\n //nothing\n }\n };\n\n if ($nodes.length) {\n //for each element that needs to listen for resizing, scrolling, or mutation add a single observer\n for (var i = 0; i <= $nodes.length - 1; i++) {\n var elementObserver = new MutationObserver(listeningElementsMutation);\n elementObserver.observe($nodes[i], { attributes: true, childList: true, characterData: false, subtree: true, attributeFilter: [\"data-events\", \"style\"] });\n }\n }\n}\n\nTriggers.Initializers.addSimpleListeners = function() {\n let $document = $(document);\n\n Triggers.Initializers.addOpenListener($document);\n Triggers.Initializers.addCloseListener($document);\n Triggers.Initializers.addToggleListener($document);\n Triggers.Initializers.addCloseableListener($document);\n Triggers.Initializers.addToggleFocusListener($document);\n\n}\n\nTriggers.Initializers.addGlobalListeners = function() {\n let $document = $(document);\n Triggers.Initializers.addMutationEventsListener($document);\n Triggers.Initializers.addResizeListener(250);\n Triggers.Initializers.addScrollListener();\n Triggers.Initializers.addClosemeListener();\n}\n\n\nTriggers.init = function (__, Foundation) {\n onLoad($(window), function () {\n if ($.triggersInitialized !== true) {\n Triggers.Initializers.addSimpleListeners();\n Triggers.Initializers.addGlobalListeners();\n $.triggersInitialized = true;\n }\n });\n\n if(Foundation) {\n Foundation.Triggers = Triggers;\n // Legacy included to be backwards compatible for now.\n Foundation.IHearYou = Triggers.Initializers.addGlobalListeners\n }\n}\n\nexport {Triggers};\n","import { GetYoDigits } from './foundation.core.utils';\n\n// Abstract class for providing lifecycle hooks. Expect plugins to define AT LEAST\n// {function} _setup (replaces previous constructor),\n// {function} _destroy (replaces previous destroy)\nclass Plugin {\n\n constructor(element, options) {\n this._setup(element, options);\n var pluginName = getPluginName(this);\n this.uuid = GetYoDigits(6, pluginName);\n\n if(!this.$element.attr(`data-${pluginName}`)){ this.$element.attr(`data-${pluginName}`, this.uuid); }\n if(!this.$element.data('zfPlugin')){ this.$element.data('zfPlugin', this); }\n /**\n * Fires when the plugin has initialized.\n * @event Plugin#init\n */\n this.$element.trigger(`init.zf.${pluginName}`);\n }\n\n destroy() {\n this._destroy();\n var pluginName = getPluginName(this);\n this.$element.removeAttr(`data-${pluginName}`).removeData('zfPlugin')\n /**\n * Fires when the plugin has been destroyed.\n * @event Plugin#destroyed\n */\n .trigger(`destroyed.zf.${pluginName}`);\n for(var prop in this){\n if (this.hasOwnProperty(prop)) {\n this[prop] = null; //clean up script to prep for garbage collection.\n }\n }\n }\n}\n\n// Convert PascalCase to kebab-case\n// Thank you: http://stackoverflow.com/a/8955580\nfunction hyphenate(str) {\n return str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();\n}\n\nfunction getPluginName(obj) {\n return hyphenate(obj.className);\n}\n\nexport {Plugin};\n","import $ from 'jquery';\nimport { Plugin } from './foundation.core.plugin';\nimport { GetYoDigits } from './foundation.core.utils';\n\n/**\n * Abide module.\n * @module foundation.abide\n */\n\nclass Abide extends Plugin {\n /**\n * Creates a new instance of Abide.\n * @class\n * @name Abide\n * @fires Abide#init\n * @param {Object} element - jQuery object to add the trigger to.\n * @param {Object} options - Overrides to the default plugin settings.\n */\n _setup(element, options = {}) {\n this.$element = element;\n this.options = $.extend(true, {}, Abide.defaults, this.$element.data(), options);\n this.isEnabled = true;\n this.formnovalidate = null;\n\n this.className = 'Abide'; // ie9 back compat\n this._init();\n }\n\n /**\n * Initializes the Abide plugin and calls functions to get Abide functioning on load.\n * @private\n */\n _init() {\n this.$inputs = $.merge( // Consider as input to validate:\n this.$element.find('input').not('[type=\"submit\"]'), // * all input fields expect submit\n this.$element.find('textarea, select') // * all textareas and select fields\n );\n this.$submits = this.$element.find('[type=\"submit\"]');\n const $globalErrors = this.$element.find('[data-abide-error]');\n\n // Add a11y attributes to all fields\n if (this.options.a11yAttributes) {\n this.$inputs.each((i, input) => this.addA11yAttributes($(input)));\n $globalErrors.each((i, error) => this.addGlobalErrorA11yAttributes($(error)));\n }\n\n this._events();\n }\n\n /**\n * Initializes events for Abide.\n * @private\n */\n _events() {\n this.$element.off('.abide')\n .on('reset.zf.abide', () => {\n this.resetForm();\n })\n .on('submit.zf.abide', () => {\n return this.validateForm();\n });\n\n this.$submits\n .off('click.zf.abide keydown.zf.abide')\n .on('click.zf.abide keydown.zf.abide', (e) => {\n if (!e.key || (e.key === ' ' || e.key === 'Enter')) {\n e.preventDefault();\n this.formnovalidate = e.target.getAttribute('formnovalidate') !== null;\n this.$element.submit();\n }\n });\n\n if (this.options.validateOn === 'fieldChange') {\n this.$inputs\n .off('change.zf.abide')\n .on('change.zf.abide', (e) => {\n this.validateInput($(e.target));\n });\n }\n\n if (this.options.liveValidate) {\n this.$inputs\n .off('input.zf.abide')\n .on('input.zf.abide', (e) => {\n this.validateInput($(e.target));\n });\n }\n\n if (this.options.validateOnBlur) {\n this.$inputs\n .off('blur.zf.abide')\n .on('blur.zf.abide', (e) => {\n this.validateInput($(e.target));\n });\n }\n }\n\n /**\n * Calls necessary functions to update Abide upon DOM change\n * @private\n */\n _reflow() {\n this._init();\n }\n\n /**\n * Checks whether the submitted form should be validated or not, consodering formnovalidate and isEnabled\n * @returns {Boolean}\n * @private\n */\n _validationIsDisabled() {\n if (this.isEnabled === false) { // whole validation disabled\n return true;\n } else if (typeof this.formnovalidate === 'boolean') { // triggered by $submit\n return this.formnovalidate;\n }\n // triggered by Enter in non-submit input\n return this.$submits.length ? this.$submits[0].getAttribute('formnovalidate') !== null : false;\n }\n\n /**\n * Enables the whole validation\n */\n enableValidation() {\n this.isEnabled = true;\n }\n\n /**\n * Disables the whole validation\n */\n disableValidation() {\n this.isEnabled = false;\n }\n\n /**\n * Checks whether or not a form element has the required attribute and if it's checked or not\n * @param {Object} element - jQuery object to check for required attribute\n * @returns {Boolean} Boolean value depends on whether or not attribute is checked or empty\n */\n requiredCheck($el) {\n if (!$el.attr('required')) return true;\n\n var isGood = true;\n\n switch ($el[0].type) {\n case 'checkbox':\n isGood = $el[0].checked;\n break;\n\n case 'select':\n case 'select-one':\n case 'select-multiple':\n var opt = $el.find('option:selected');\n if (!opt.length || !opt.val()) isGood = false;\n break;\n\n default:\n if (!$el.val() || !$el.val().length) isGood = false;\n }\n\n return isGood;\n }\n\n /**\n * Get:\n * - Based on $el, the first element(s) corresponding to `formErrorSelector` in this order:\n * 1. The element's direct sibling('s).\n * 2. The element's parent's children.\n * - Element(s) with the attribute `[data-form-error-for]` set with the element's id.\n *\n * This allows for multiple form errors per input, though if none are found, no form errors will be shown.\n *\n * @param {Object} $el - jQuery object to use as reference to find the form error selector.\n * @param {String[]} [failedValidators] - List of failed validators.\n * @returns {Object} jQuery object with the selector.\n */\n findFormError($el, failedValidators) {\n var id = $el.length ? $el[0].id : '';\n var $error = $el.siblings(this.options.formErrorSelector);\n\n if (!$error.length) {\n $error = $el.parent().find(this.options.formErrorSelector);\n }\n\n if (id) {\n $error = $error.add(this.$element.find(`[data-form-error-for=\"${id}\"]`));\n }\n\n if (!!failedValidators) {\n $error = $error.not('[data-form-error-on]')\n\n failedValidators.forEach((v) => {\n $error = $error.add($el.siblings(`[data-form-error-on=\"${v}\"]`));\n $error = $error.add(this.$element.find(`[data-form-error-for=\"${id}\"][data-form-error-on=\"${v}\"]`));\n });\n }\n\n return $error;\n }\n\n /**\n * Get the first element in this order:\n * 2. The