;\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","export class InvalidTokenError extends Error {\n}\nInvalidTokenError.prototype.name = \"InvalidTokenError\";\nfunction b64DecodeUnicode(str) {\n return decodeURIComponent(atob(str).replace(/(.)/g, (m, p) => {\n let code = p.charCodeAt(0).toString(16).toUpperCase();\n if (code.length < 2) {\n code = \"0\" + code;\n }\n return \"%\" + code;\n }));\n}\nfunction base64UrlDecode(str) {\n let output = str.replace(/-/g, \"+\").replace(/_/g, \"/\");\n switch (output.length % 4) {\n case 0:\n break;\n case 2:\n output += \"==\";\n break;\n case 3:\n output += \"=\";\n break;\n default:\n throw new Error(\"base64 string is not of the correct length\");\n }\n try {\n return b64DecodeUnicode(output);\n }\n catch (err) {\n return atob(output);\n }\n}\nexport function jwtDecode(token, options) {\n if (typeof token !== \"string\") {\n throw new InvalidTokenError(\"Invalid token specified: must be a string\");\n }\n options || (options = {});\n const pos = options.header === true ? 0 : 1;\n const part = token.split(\".\")[pos];\n if (typeof part !== \"string\") {\n throw new InvalidTokenError(`Invalid token specified: missing part #${pos + 1}`);\n }\n let decoded;\n try {\n decoded = base64UrlDecode(part);\n }\n catch (e) {\n throw new InvalidTokenError(`Invalid token specified: invalid base64 for part #${pos + 1} (${e.message})`);\n }\n try {\n return JSON.parse(decoded);\n }\n catch (e) {\n throw new InvalidTokenError(`Invalid token specified: invalid json for part #${pos + 1} (${e.message})`);\n }\n}\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\tid: moduleId,\n\t\tloaded: false,\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n\t// Flag the module as loaded\n\tmodule.loaded = true;\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n// expose the modules object (__webpack_modules__)\n__webpack_require__.m = __webpack_modules__;\n\n","// getDefaultExport function for compatibility with non-harmony modules\n__webpack_require__.n = function(module) {\n\tvar getter = module && module.__esModule ?\n\t\tfunction() { return module['default']; } :\n\t\tfunction() { return module; };\n\t__webpack_require__.d(getter, { a: getter });\n\treturn getter;\n};","var getProto = 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null : entry.state,\n index2 === 0 ? \"default\" : void 0\n )\n );\n let index = clampIndex(\n initialIndex == null ? entries.length - 1 : initialIndex\n );\n let action = \"POP\" /* Pop */;\n let listener = null;\n function clampIndex(n) {\n return Math.min(Math.max(n, 0), entries.length - 1);\n }\n function getCurrentLocation() {\n return entries[index];\n }\n function createMemoryLocation(to, state = null, key) {\n let location = createLocation(\n entries ? getCurrentLocation().pathname : \"/\",\n to,\n state,\n key\n );\n warning(\n location.pathname.charAt(0) === \"/\",\n `relative pathnames are not supported in memory history: ${JSON.stringify(\n to\n )}`\n );\n return location;\n }\n function createHref2(to) {\n return typeof to === \"string\" ? to : createPath(to);\n }\n let history = {\n get index() {\n return index;\n },\n get action() {\n return action;\n },\n get location() {\n return getCurrentLocation();\n },\n createHref: createHref2,\n createURL(to) {\n return new URL(createHref2(to), \"http://localhost\");\n },\n encodeLocation(to) {\n let path = typeof to === \"string\" ? parsePath(to) : to;\n return {\n pathname: path.pathname || \"\",\n search: path.search || \"\",\n hash: path.hash || \"\"\n };\n },\n push(to, state) {\n action = \"PUSH\" /* Push */;\n let nextLocation = createMemoryLocation(to, state);\n index += 1;\n entries.splice(index, entries.length, nextLocation);\n if (v5Compat && listener) {\n listener({ action, location: nextLocation, delta: 1 });\n }\n },\n replace(to, state) {\n action = \"REPLACE\" /* Replace */;\n let nextLocation = createMemoryLocation(to, state);\n entries[index] = nextLocation;\n if (v5Compat && listener) {\n listener({ action, location: nextLocation, delta: 0 });\n }\n },\n go(delta) {\n action = \"POP\" /* Pop */;\n let nextIndex = clampIndex(index + delta);\n let nextLocation = entries[nextIndex];\n index = nextIndex;\n if (listener) {\n listener({ action, location: nextLocation, delta });\n }\n },\n listen(fn) {\n listener = fn;\n return () => {\n listener = null;\n };\n }\n };\n return history;\n}\nfunction createBrowserHistory(options = {}) {\n function createBrowserLocation(window2, globalHistory) {\n let { pathname, search, hash } = window2.location;\n return createLocation(\n \"\",\n { pathname, search, hash },\n // state defaults to `null` because `window.history.state` does\n globalHistory.state && globalHistory.state.usr || null,\n globalHistory.state && globalHistory.state.key || \"default\"\n );\n }\n function createBrowserHref(window2, to) {\n return typeof to === \"string\" ? to : createPath(to);\n }\n return getUrlBasedHistory(\n createBrowserLocation,\n createBrowserHref,\n null,\n options\n );\n}\nfunction createHashHistory(options = {}) {\n function createHashLocation(window2, globalHistory) {\n let {\n pathname = \"/\",\n search = \"\",\n hash = \"\"\n } = parsePath(window2.location.hash.substring(1));\n if (!pathname.startsWith(\"/\") && !pathname.startsWith(\".\")) {\n pathname = \"/\" + pathname;\n }\n return createLocation(\n \"\",\n { pathname, search, hash },\n // state defaults to `null` because `window.history.state` does\n globalHistory.state && globalHistory.state.usr || null,\n globalHistory.state && globalHistory.state.key || \"default\"\n );\n }\n function createHashHref(window2, to) {\n let base = window2.document.querySelector(\"base\");\n let href = \"\";\n if (base && base.getAttribute(\"href\")) {\n let url = window2.location.href;\n let hashIndex = url.indexOf(\"#\");\n href = hashIndex === -1 ? url : url.slice(0, hashIndex);\n }\n return href + \"#\" + (typeof to === \"string\" ? to : createPath(to));\n }\n function validateHashLocation(location, to) {\n warning(\n location.pathname.charAt(0) === \"/\",\n `relative pathnames are not supported in hash history.push(${JSON.stringify(\n to\n )})`\n );\n }\n return getUrlBasedHistory(\n createHashLocation,\n createHashHref,\n validateHashLocation,\n options\n );\n}\nfunction invariant(value, message) {\n if (value === false || value === null || typeof value === \"undefined\") {\n throw new Error(message);\n }\n}\nfunction warning(cond, message) {\n if (!cond) {\n if (typeof console !== \"undefined\") console.warn(message);\n try {\n throw new Error(message);\n } catch (e) {\n }\n }\n}\nfunction createKey() {\n return Math.random().toString(36).substring(2, 10);\n}\nfunction getHistoryState(location, index) {\n return {\n usr: location.state,\n key: location.key,\n idx: index\n };\n}\nfunction createLocation(current, to, state = null, key) {\n let location = {\n pathname: typeof current === \"string\" ? current : current.pathname,\n search: \"\",\n hash: \"\",\n ...typeof to === \"string\" ? parsePath(to) : to,\n state,\n // TODO: This could be cleaned up. push/replace should probably just take\n // full Locations now and avoid the need to run through this flow at all\n // But that's a pretty big refactor to the current test suite so going to\n // keep as is for the time being and just let any incoming keys take precedence\n key: to && to.key || key || createKey()\n };\n return location;\n}\nfunction createPath({\n pathname = \"/\",\n search = \"\",\n hash = \"\"\n}) {\n if (search && search !== \"?\")\n pathname += search.charAt(0) === \"?\" ? search : \"?\" + search;\n if (hash && hash !== \"#\")\n pathname += hash.charAt(0) === \"#\" ? hash : \"#\" + hash;\n return pathname;\n}\nfunction parsePath(path) {\n let parsedPath = {};\n if (path) {\n let hashIndex = path.indexOf(\"#\");\n if (hashIndex >= 0) {\n parsedPath.hash = path.substring(hashIndex);\n path = path.substring(0, hashIndex);\n }\n let searchIndex = path.indexOf(\"?\");\n if (searchIndex >= 0) {\n parsedPath.search = path.substring(searchIndex);\n path = path.substring(0, searchIndex);\n }\n if (path) {\n parsedPath.pathname = path;\n }\n }\n return parsedPath;\n}\nfunction getUrlBasedHistory(getLocation, createHref2, validateLocation, options = {}) {\n let { window: window2 = document.defaultView, v5Compat = false } = options;\n let globalHistory = window2.history;\n let action = \"POP\" /* Pop */;\n let listener = null;\n let index = getIndex();\n if (index == null) {\n index = 0;\n globalHistory.replaceState({ ...globalHistory.state, idx: index }, \"\");\n }\n function getIndex() {\n let state = globalHistory.state || { idx: null };\n return state.idx;\n }\n function handlePop() {\n action = \"POP\" /* Pop */;\n let nextIndex = getIndex();\n let delta = nextIndex == null ? null : nextIndex - index;\n index = nextIndex;\n if (listener) {\n listener({ action, location: history.location, delta });\n }\n }\n function push(to, state) {\n action = \"PUSH\" /* Push */;\n let location = createLocation(history.location, to, state);\n if (validateLocation) validateLocation(location, to);\n index = getIndex() + 1;\n let historyState = getHistoryState(location, index);\n let url = history.createHref(location);\n try {\n globalHistory.pushState(historyState, \"\", url);\n } catch (error) {\n if (error instanceof DOMException && error.name === \"DataCloneError\") {\n throw error;\n }\n window2.location.assign(url);\n }\n if (v5Compat && listener) {\n listener({ action, location: history.location, delta: 1 });\n }\n }\n function replace2(to, state) {\n action = \"REPLACE\" /* Replace */;\n let location = createLocation(history.location, to, state);\n if (validateLocation) validateLocation(location, to);\n index = getIndex();\n let historyState = getHistoryState(location, index);\n let url = history.createHref(location);\n globalHistory.replaceState(historyState, \"\", url);\n if (v5Compat && listener) {\n listener({ action, location: history.location, delta: 0 });\n }\n }\n function createURL(to) {\n let base = window2.location.origin !== \"null\" ? window2.location.origin : window2.location.href;\n let href = typeof to === \"string\" ? to : createPath(to);\n href = href.replace(/ $/, \"%20\");\n invariant(\n base,\n `No window.location.(origin|href) available to create URL for href: ${href}`\n );\n return new URL(href, base);\n }\n let history = {\n get action() {\n return action;\n },\n get location() {\n return getLocation(window2, globalHistory);\n },\n listen(fn) {\n if (listener) {\n throw new Error(\"A history only accepts one active listener\");\n }\n window2.addEventListener(PopStateEventType, handlePop);\n listener = fn;\n return () => {\n window2.removeEventListener(PopStateEventType, handlePop);\n listener = null;\n };\n },\n createHref(to) {\n return createHref2(window2, to);\n },\n createURL,\n encodeLocation(to) {\n let url = createURL(to);\n return {\n pathname: url.pathname,\n search: url.search,\n hash: url.hash\n };\n },\n push,\n replace: replace2,\n go(n) {\n return globalHistory.go(n);\n }\n };\n return history;\n}\n\n// lib/router/utils.ts\nvar immutableRouteKeys = /* @__PURE__ */ new Set([\n \"lazy\",\n \"caseSensitive\",\n \"path\",\n \"id\",\n \"index\",\n \"children\"\n]);\nfunction isIndexRoute(route) {\n return route.index === true;\n}\nfunction convertRoutesToDataRoutes(routes, mapRouteProperties2, parentPath = [], manifest = {}) {\n return routes.map((route, index) => {\n let treePath = [...parentPath, String(index)];\n let id = typeof route.id === \"string\" ? route.id : treePath.join(\"-\");\n invariant(\n route.index !== true || !route.children,\n `Cannot specify children on an index route`\n );\n invariant(\n !manifest[id],\n `Found a route id collision on id \"${id}\". Route id's must be globally unique within Data Router usages`\n );\n if (isIndexRoute(route)) {\n let indexRoute = {\n ...route,\n ...mapRouteProperties2(route),\n id\n };\n manifest[id] = indexRoute;\n return indexRoute;\n } else {\n let pathOrLayoutRoute = {\n ...route,\n ...mapRouteProperties2(route),\n id,\n children: void 0\n };\n manifest[id] = pathOrLayoutRoute;\n if (route.children) {\n pathOrLayoutRoute.children = convertRoutesToDataRoutes(\n route.children,\n mapRouteProperties2,\n treePath,\n manifest\n );\n }\n return pathOrLayoutRoute;\n }\n });\n}\nfunction matchRoutes(routes, locationArg, basename = \"/\") {\n return matchRoutesImpl(routes, locationArg, basename, false);\n}\nfunction matchRoutesImpl(routes, locationArg, basename, allowPartial) {\n let location = typeof locationArg === \"string\" ? parsePath(locationArg) : locationArg;\n let pathname = stripBasename(location.pathname || \"/\", basename);\n if (pathname == null) {\n return null;\n }\n let branches = flattenRoutes(routes);\n rankRouteBranches(branches);\n let matches = null;\n for (let i = 0; matches == null && i < branches.length; ++i) {\n let decoded = decodePath(pathname);\n matches = matchRouteBranch(\n branches[i],\n decoded,\n allowPartial\n );\n }\n return matches;\n}\nfunction convertRouteMatchToUiMatch(match, loaderData) {\n let { route, pathname, params } = match;\n return {\n id: route.id,\n pathname,\n params,\n data: loaderData[route.id],\n handle: route.handle\n };\n}\nfunction flattenRoutes(routes, branches = [], parentsMeta = [], parentPath = \"\") {\n let flattenRoute = (route, index, relativePath) => {\n let meta = {\n relativePath: relativePath === void 0 ? route.path || \"\" : relativePath,\n caseSensitive: route.caseSensitive === true,\n childrenIndex: index,\n route\n };\n if (meta.relativePath.startsWith(\"/\")) {\n invariant(\n meta.relativePath.startsWith(parentPath),\n `Absolute route path \"${meta.relativePath}\" nested under path \"${parentPath}\" is not valid. An absolute child route path must start with the combined path of all its parent routes.`\n );\n meta.relativePath = meta.relativePath.slice(parentPath.length);\n }\n let path = joinPaths([parentPath, meta.relativePath]);\n let routesMeta = parentsMeta.concat(meta);\n if (route.children && route.children.length > 0) {\n invariant(\n // Our types know better, but runtime JS may not!\n // @ts-expect-error\n route.index !== true,\n `Index routes must not have child routes. Please remove all child routes from route path \"${path}\".`\n );\n flattenRoutes(route.children, branches, routesMeta, path);\n }\n if (route.path == null && !route.index) {\n return;\n }\n branches.push({\n path,\n score: computeScore(path, route.index),\n routesMeta\n });\n };\n routes.forEach((route, index) => {\n if (route.path === \"\" || !route.path?.includes(\"?\")) {\n flattenRoute(route, index);\n } else {\n for (let exploded of explodeOptionalSegments(route.path)) {\n flattenRoute(route, index, exploded);\n }\n }\n });\n return branches;\n}\nfunction explodeOptionalSegments(path) {\n let segments = path.split(\"/\");\n if (segments.length === 0) return [];\n let [first, ...rest] = segments;\n let isOptional = first.endsWith(\"?\");\n let required = first.replace(/\\?$/, \"\");\n if (rest.length === 0) {\n return isOptional ? [required, \"\"] : [required];\n }\n let restExploded = explodeOptionalSegments(rest.join(\"/\"));\n let result = [];\n result.push(\n ...restExploded.map(\n (subpath) => subpath === \"\" ? required : [required, subpath].join(\"/\")\n )\n );\n if (isOptional) {\n result.push(...restExploded);\n }\n return result.map(\n (exploded) => path.startsWith(\"/\") && exploded === \"\" ? \"/\" : exploded\n );\n}\nfunction rankRouteBranches(branches) {\n branches.sort(\n (a, b) => a.score !== b.score ? b.score - a.score : compareIndexes(\n a.routesMeta.map((meta) => meta.childrenIndex),\n b.routesMeta.map((meta) => meta.childrenIndex)\n )\n );\n}\nvar paramRe = /^:[\\w-]+$/;\nvar dynamicSegmentValue = 3;\nvar indexRouteValue = 2;\nvar emptySegmentValue = 1;\nvar staticSegmentValue = 10;\nvar splatPenalty = -2;\nvar isSplat = (s) => s === \"*\";\nfunction computeScore(path, index) {\n let segments = path.split(\"/\");\n let initialScore = segments.length;\n if (segments.some(isSplat)) {\n initialScore += splatPenalty;\n }\n if (index) {\n initialScore += indexRouteValue;\n }\n return segments.filter((s) => !isSplat(s)).reduce(\n (score, segment) => score + (paramRe.test(segment) ? dynamicSegmentValue : segment === \"\" ? emptySegmentValue : staticSegmentValue),\n initialScore\n );\n}\nfunction compareIndexes(a, b) {\n let siblings = a.length === b.length && a.slice(0, -1).every((n, i) => n === b[i]);\n return siblings ? (\n // If two routes are siblings, we should try to match the earlier sibling\n // first. This allows people to have fine-grained control over the matching\n // behavior by simply putting routes with identical paths in the order they\n // want them tried.\n a[a.length - 1] - b[b.length - 1]\n ) : (\n // Otherwise, it doesn't really make sense to rank non-siblings by index,\n // so they sort equally.\n 0\n );\n}\nfunction matchRouteBranch(branch, pathname, allowPartial = false) {\n let { routesMeta } = branch;\n let matchedParams = {};\n let matchedPathname = \"/\";\n let matches = [];\n for (let i = 0; i < routesMeta.length; ++i) {\n let meta = routesMeta[i];\n let end = i === routesMeta.length - 1;\n let remainingPathname = matchedPathname === \"/\" ? pathname : pathname.slice(matchedPathname.length) || \"/\";\n let match = matchPath(\n { path: meta.relativePath, caseSensitive: meta.caseSensitive, end },\n remainingPathname\n );\n let route = meta.route;\n if (!match && end && allowPartial && !routesMeta[routesMeta.length - 1].route.index) {\n match = matchPath(\n {\n path: meta.relativePath,\n caseSensitive: meta.caseSensitive,\n end: false\n },\n remainingPathname\n );\n }\n if (!match) {\n return null;\n }\n Object.assign(matchedParams, match.params);\n matches.push({\n // TODO: Can this as be avoided?\n params: matchedParams,\n pathname: joinPaths([matchedPathname, match.pathname]),\n pathnameBase: normalizePathname(\n joinPaths([matchedPathname, match.pathnameBase])\n ),\n route\n });\n if (match.pathnameBase !== \"/\") {\n matchedPathname = joinPaths([matchedPathname, match.pathnameBase]);\n }\n }\n return matches;\n}\nfunction generatePath(originalPath, params = {}) {\n let path = originalPath;\n if (path.endsWith(\"*\") && path !== \"*\" && !path.endsWith(\"/*\")) {\n warning(\n false,\n `Route path \"${path}\" will be treated as if it were \"${path.replace(/\\*$/, \"/*\")}\" because the \\`*\\` character must always follow a \\`/\\` in the pattern. To get rid of this warning, please change the route path to \"${path.replace(/\\*$/, \"/*\")}\".`\n );\n path = path.replace(/\\*$/, \"/*\");\n }\n const prefix = path.startsWith(\"/\") ? \"/\" : \"\";\n const stringify = (p) => p == null ? \"\" : typeof p === \"string\" ? p : String(p);\n const segments = path.split(/\\/+/).map((segment, index, array) => {\n const isLastSegment = index === array.length - 1;\n if (isLastSegment && segment === \"*\") {\n const star = \"*\";\n return stringify(params[star]);\n }\n const keyMatch = segment.match(/^:([\\w-]+)(\\??)$/);\n if (keyMatch) {\n const [, key, optional] = keyMatch;\n let param = params[key];\n invariant(optional === \"?\" || param != null, `Missing \":${key}\" param`);\n return stringify(param);\n }\n return segment.replace(/\\?$/g, \"\");\n }).filter((segment) => !!segment);\n return prefix + segments.join(\"/\");\n}\nfunction matchPath(pattern, pathname) {\n if (typeof pattern === \"string\") {\n pattern = { path: pattern, caseSensitive: false, end: true };\n }\n let [matcher, compiledParams] = compilePath(\n pattern.path,\n pattern.caseSensitive,\n pattern.end\n );\n let match = pathname.match(matcher);\n if (!match) return null;\n let matchedPathname = match[0];\n let pathnameBase = matchedPathname.replace(/(.)\\/+$/, \"$1\");\n let captureGroups = match.slice(1);\n let params = compiledParams.reduce(\n (memo2, { paramName, isOptional }, index) => {\n if (paramName === \"*\") {\n let splatValue = captureGroups[index] || \"\";\n pathnameBase = matchedPathname.slice(0, matchedPathname.length - splatValue.length).replace(/(.)\\/+$/, \"$1\");\n }\n const value = captureGroups[index];\n if (isOptional && !value) {\n memo2[paramName] = void 0;\n } else {\n memo2[paramName] = (value || \"\").replace(/%2F/g, \"/\");\n }\n return memo2;\n },\n {}\n );\n return {\n params,\n pathname: matchedPathname,\n pathnameBase,\n pattern\n };\n}\nfunction compilePath(path, caseSensitive = false, end = true) {\n warning(\n path === \"*\" || !path.endsWith(\"*\") || path.endsWith(\"/*\"),\n `Route path \"${path}\" will be treated as if it were \"${path.replace(/\\*$/, \"/*\")}\" because the \\`*\\` character must always follow a \\`/\\` in the pattern. To get rid of this warning, please change the route path to \"${path.replace(/\\*$/, \"/*\")}\".`\n );\n let params = [];\n let regexpSource = \"^\" + path.replace(/\\/*\\*?$/, \"\").replace(/^\\/*/, \"/\").replace(/[\\\\.*+^${}|()[\\]]/g, \"\\\\$&\").replace(\n /\\/:([\\w-]+)(\\?)?/g,\n (_, paramName, isOptional) => {\n params.push({ paramName, isOptional: isOptional != null });\n return isOptional ? \"/?([^\\\\/]+)?\" : \"/([^\\\\/]+)\";\n }\n );\n if (path.endsWith(\"*\")) {\n params.push({ paramName: \"*\" });\n regexpSource += path === \"*\" || path === \"/*\" ? \"(.*)$\" : \"(?:\\\\/(.+)|\\\\/*)$\";\n } else if (end) {\n regexpSource += \"\\\\/*$\";\n } else if (path !== \"\" && path !== \"/\") {\n regexpSource += \"(?:(?=\\\\/|$))\";\n } else {\n }\n let matcher = new RegExp(regexpSource, caseSensitive ? void 0 : \"i\");\n return [matcher, params];\n}\nfunction decodePath(value) {\n try {\n return value.split(\"/\").map((v) => decodeURIComponent(v).replace(/\\//g, \"%2F\")).join(\"/\");\n } catch (error) {\n warning(\n false,\n `The URL path \"${value}\" could not be decoded because it is is a malformed URL segment. This is probably due to a bad percent encoding (${error}).`\n );\n return value;\n }\n}\nfunction stripBasename(pathname, basename) {\n if (basename === \"/\") return pathname;\n if (!pathname.toLowerCase().startsWith(basename.toLowerCase())) {\n return null;\n }\n let startIndex = basename.endsWith(\"/\") ? basename.length - 1 : basename.length;\n let nextChar = pathname.charAt(startIndex);\n if (nextChar && nextChar !== \"/\") {\n return null;\n }\n return pathname.slice(startIndex) || \"/\";\n}\nfunction resolvePath(to, fromPathname = \"/\") {\n let {\n pathname: toPathname,\n search = \"\",\n hash = \"\"\n } = typeof to === \"string\" ? parsePath(to) : to;\n let pathname = toPathname ? toPathname.startsWith(\"/\") ? toPathname : resolvePathname(toPathname, fromPathname) : fromPathname;\n return {\n pathname,\n search: normalizeSearch(search),\n hash: normalizeHash(hash)\n };\n}\nfunction resolvePathname(relativePath, fromPathname) {\n let segments = fromPathname.replace(/\\/+$/, \"\").split(\"/\");\n let relativeSegments = relativePath.split(\"/\");\n relativeSegments.forEach((segment) => {\n if (segment === \"..\") {\n if (segments.length > 1) segments.pop();\n } else if (segment !== \".\") {\n segments.push(segment);\n }\n });\n return segments.length > 1 ? segments.join(\"/\") : \"/\";\n}\nfunction getInvalidPathError(char, field, dest, path) {\n return `Cannot include a '${char}' character in a manually specified \\`to.${field}\\` field [${JSON.stringify(\n path\n )}]. Please separate it out to the \\`to.${dest}\\` field. Alternatively you may provide the full path as a string in and the router will parse it for you.`;\n}\nfunction getPathContributingMatches(matches) {\n return matches.filter(\n (match, index) => index === 0 || match.route.path && match.route.path.length > 0\n );\n}\nfunction getResolveToMatches(matches) {\n let pathMatches = getPathContributingMatches(matches);\n return pathMatches.map(\n (match, idx) => idx === pathMatches.length - 1 ? match.pathname : match.pathnameBase\n );\n}\nfunction resolveTo(toArg, routePathnames, locationPathname, isPathRelative = false) {\n let to;\n if (typeof toArg === \"string\") {\n to = parsePath(toArg);\n } else {\n to = { ...toArg };\n invariant(\n !to.pathname || !to.pathname.includes(\"?\"),\n getInvalidPathError(\"?\", \"pathname\", \"search\", to)\n );\n invariant(\n !to.pathname || !to.pathname.includes(\"#\"),\n getInvalidPathError(\"#\", \"pathname\", \"hash\", to)\n );\n invariant(\n !to.search || !to.search.includes(\"#\"),\n getInvalidPathError(\"#\", \"search\", \"hash\", to)\n );\n }\n let isEmptyPath = toArg === \"\" || to.pathname === \"\";\n let toPathname = isEmptyPath ? \"/\" : to.pathname;\n let from;\n if (toPathname == null) {\n from = locationPathname;\n } else {\n let routePathnameIndex = routePathnames.length - 1;\n if (!isPathRelative && toPathname.startsWith(\"..\")) {\n let toSegments = toPathname.split(\"/\");\n while (toSegments[0] === \"..\") {\n toSegments.shift();\n routePathnameIndex -= 1;\n }\n to.pathname = toSegments.join(\"/\");\n }\n from = routePathnameIndex >= 0 ? routePathnames[routePathnameIndex] : \"/\";\n }\n let path = resolvePath(to, from);\n let hasExplicitTrailingSlash = toPathname && toPathname !== \"/\" && toPathname.endsWith(\"/\");\n let hasCurrentTrailingSlash = (isEmptyPath || toPathname === \".\") && locationPathname.endsWith(\"/\");\n if (!path.pathname.endsWith(\"/\") && (hasExplicitTrailingSlash || hasCurrentTrailingSlash)) {\n path.pathname += \"/\";\n }\n return path;\n}\nvar joinPaths = (paths) => paths.join(\"/\").replace(/\\/\\/+/g, \"/\");\nvar normalizePathname = (pathname) => pathname.replace(/\\/+$/, \"\").replace(/^\\/*/, \"/\");\nvar normalizeSearch = (search) => !search || search === \"?\" ? \"\" : search.startsWith(\"?\") ? search : \"?\" + search;\nvar normalizeHash = (hash) => !hash || hash === \"#\" ? \"\" : hash.startsWith(\"#\") ? hash : \"#\" + hash;\nvar DataWithResponseInit = class {\n constructor(data2, init) {\n this.type = \"DataWithResponseInit\";\n this.data = data2;\n this.init = init || null;\n }\n};\nfunction data(data2, init) {\n return new DataWithResponseInit(\n data2,\n typeof init === \"number\" ? { status: init } : init\n );\n}\nvar redirect = (url, init = 302) => {\n let responseInit = init;\n if (typeof responseInit === \"number\") {\n responseInit = { status: responseInit };\n } else if (typeof responseInit.status === \"undefined\") {\n responseInit.status = 302;\n }\n let headers = new Headers(responseInit.headers);\n headers.set(\"Location\", url);\n return new Response(null, {\n ...responseInit,\n headers\n });\n};\nvar redirectDocument = (url, init) => {\n let response = redirect(url, init);\n response.headers.set(\"X-Remix-Reload-Document\", \"true\");\n return response;\n};\nvar replace = (url, init) => {\n let response = redirect(url, init);\n response.headers.set(\"X-Remix-Replace\", \"true\");\n return response;\n};\nvar ErrorResponseImpl = class {\n constructor(status, statusText, data2, internal = false) {\n this.status = status;\n this.statusText = statusText || \"\";\n this.internal = internal;\n if (data2 instanceof Error) {\n this.data = data2.toString();\n this.error = data2;\n } else {\n this.data = data2;\n }\n }\n};\nfunction isRouteErrorResponse(error) {\n return error != null && typeof error.status === \"number\" && typeof error.statusText === \"string\" && typeof error.internal === \"boolean\" && \"data\" in error;\n}\n\n// lib/router/router.ts\nvar validMutationMethodsArr = [\n \"POST\",\n \"PUT\",\n \"PATCH\",\n \"DELETE\"\n];\nvar validMutationMethods = new Set(\n validMutationMethodsArr\n);\nvar validRequestMethodsArr = [\n \"GET\",\n ...validMutationMethodsArr\n];\nvar validRequestMethods = new Set(validRequestMethodsArr);\nvar redirectStatusCodes = /* @__PURE__ */ new Set([301, 302, 303, 307, 308]);\nvar redirectPreserveMethodStatusCodes = /* @__PURE__ */ new Set([307, 308]);\nvar IDLE_NAVIGATION = {\n state: \"idle\",\n location: void 0,\n formMethod: void 0,\n formAction: void 0,\n formEncType: void 0,\n formData: void 0,\n json: void 0,\n text: void 0\n};\nvar IDLE_FETCHER = {\n state: \"idle\",\n data: void 0,\n formMethod: void 0,\n formAction: void 0,\n formEncType: void 0,\n formData: void 0,\n json: void 0,\n text: void 0\n};\nvar IDLE_BLOCKER = {\n state: \"unblocked\",\n proceed: void 0,\n reset: void 0,\n location: void 0\n};\nvar ABSOLUTE_URL_REGEX = /^(?:[a-z][a-z0-9+.-]*:|\\/\\/)/i;\nvar defaultMapRouteProperties = (route) => ({\n hasErrorBoundary: Boolean(route.hasErrorBoundary)\n});\nvar TRANSITIONS_STORAGE_KEY = \"remix-router-transitions\";\nvar ResetLoaderDataSymbol = Symbol(\"ResetLoaderData\");\nfunction createRouter(init) {\n const routerWindow = init.window ? init.window : typeof window !== \"undefined\" ? window : void 0;\n const isBrowser2 = typeof routerWindow !== \"undefined\" && typeof routerWindow.document !== \"undefined\" && typeof routerWindow.document.createElement !== \"undefined\";\n invariant(\n init.routes.length > 0,\n \"You must provide a non-empty routes array to createRouter\"\n );\n let mapRouteProperties2 = init.mapRouteProperties || defaultMapRouteProperties;\n let manifest = {};\n let dataRoutes = convertRoutesToDataRoutes(\n init.routes,\n mapRouteProperties2,\n void 0,\n manifest\n );\n let inFlightDataRoutes;\n let basename = init.basename || \"/\";\n let dataStrategyImpl = init.dataStrategy || defaultDataStrategy;\n let patchRoutesOnNavigationImpl = init.patchRoutesOnNavigation;\n let future = {\n ...init.future\n };\n let unlistenHistory = null;\n let subscribers = /* @__PURE__ */ new Set();\n let savedScrollPositions2 = null;\n let getScrollRestorationKey2 = null;\n let getScrollPosition = null;\n let initialScrollRestored = init.hydrationData != null;\n let initialMatches = matchRoutes(dataRoutes, init.history.location, basename);\n let initialErrors = null;\n if (initialMatches == null && !patchRoutesOnNavigationImpl) {\n let error = getInternalRouterError(404, {\n pathname: init.history.location.pathname\n });\n let { matches, route } = getShortCircuitMatches(dataRoutes);\n initialMatches = matches;\n initialErrors = { [route.id]: error };\n }\n if (initialMatches && !init.hydrationData) {\n let fogOfWar = checkFogOfWar(\n initialMatches,\n dataRoutes,\n init.history.location.pathname\n );\n if (fogOfWar.active) {\n initialMatches = null;\n }\n }\n let initialized;\n if (!initialMatches) {\n initialized = false;\n initialMatches = [];\n let fogOfWar = checkFogOfWar(\n null,\n dataRoutes,\n init.history.location.pathname\n );\n if (fogOfWar.active && fogOfWar.matches) {\n initialMatches = fogOfWar.matches;\n }\n } else if (initialMatches.some((m) => m.route.lazy)) {\n initialized = false;\n } else if (!initialMatches.some((m) => m.route.loader)) {\n initialized = true;\n } else {\n let loaderData = init.hydrationData ? init.hydrationData.loaderData : null;\n let errors = init.hydrationData ? init.hydrationData.errors : null;\n if (errors) {\n let idx = initialMatches.findIndex(\n (m) => errors[m.route.id] !== void 0\n );\n initialized = initialMatches.slice(0, idx + 1).every((m) => !shouldLoadRouteOnHydration(m.route, loaderData, errors));\n } else {\n initialized = initialMatches.every(\n (m) => !shouldLoadRouteOnHydration(m.route, loaderData, errors)\n );\n }\n }\n let router;\n let state = {\n historyAction: init.history.action,\n location: init.history.location,\n matches: initialMatches,\n initialized,\n navigation: IDLE_NAVIGATION,\n // Don't restore on initial updateState() if we were SSR'd\n restoreScrollPosition: init.hydrationData != null ? false : null,\n preventScrollReset: false,\n revalidation: \"idle\",\n loaderData: init.hydrationData && init.hydrationData.loaderData || {},\n actionData: init.hydrationData && init.hydrationData.actionData || null,\n errors: init.hydrationData && init.hydrationData.errors || initialErrors,\n fetchers: /* @__PURE__ */ new Map(),\n blockers: /* @__PURE__ */ new Map()\n };\n let pendingAction = \"POP\" /* Pop */;\n let pendingPreventScrollReset = false;\n let pendingNavigationController;\n let pendingViewTransitionEnabled = false;\n let appliedViewTransitions = /* @__PURE__ */ new Map();\n let removePageHideEventListener = null;\n let isUninterruptedRevalidation = false;\n let isRevalidationRequired = false;\n let cancelledFetcherLoads = /* @__PURE__ */ new Set();\n let fetchControllers = /* @__PURE__ */ new Map();\n let incrementingLoadId = 0;\n let pendingNavigationLoadId = -1;\n let fetchReloadIds = /* @__PURE__ */ new Map();\n let fetchRedirectIds = /* @__PURE__ */ new Set();\n let fetchLoadMatches = /* @__PURE__ */ new Map();\n let activeFetchers = /* @__PURE__ */ new Map();\n let fetchersQueuedForDeletion = /* @__PURE__ */ new Set();\n let blockerFunctions = /* @__PURE__ */ new Map();\n let unblockBlockerHistoryUpdate = void 0;\n let pendingRevalidationDfd = null;\n function initialize() {\n unlistenHistory = init.history.listen(\n ({ action: historyAction, location, delta }) => {\n if (unblockBlockerHistoryUpdate) {\n unblockBlockerHistoryUpdate();\n unblockBlockerHistoryUpdate = void 0;\n return;\n }\n warning(\n blockerFunctions.size === 0 || delta != null,\n \"You are trying to use a blocker on a POP navigation to a location that was not created by @remix-run/router. This will fail silently in production. This can happen if you are navigating outside the router via `window.history.pushState`/`window.location.hash` instead of using router navigation APIs. This can also happen if you are using createHashRouter and the user manually changes the URL.\"\n );\n let blockerKey = shouldBlockNavigation({\n currentLocation: state.location,\n nextLocation: location,\n historyAction\n });\n if (blockerKey && delta != null) {\n let nextHistoryUpdatePromise = new Promise((resolve) => {\n unblockBlockerHistoryUpdate = resolve;\n });\n init.history.go(delta * -1);\n updateBlocker(blockerKey, {\n state: \"blocked\",\n location,\n proceed() {\n updateBlocker(blockerKey, {\n state: \"proceeding\",\n proceed: void 0,\n reset: void 0,\n location\n });\n nextHistoryUpdatePromise.then(() => init.history.go(delta));\n },\n reset() {\n let blockers = new Map(state.blockers);\n blockers.set(blockerKey, IDLE_BLOCKER);\n updateState({ blockers });\n }\n });\n return;\n }\n return startNavigation(historyAction, location);\n }\n );\n if (isBrowser2) {\n restoreAppliedTransitions(routerWindow, appliedViewTransitions);\n let _saveAppliedTransitions = () => persistAppliedTransitions(routerWindow, appliedViewTransitions);\n routerWindow.addEventListener(\"pagehide\", _saveAppliedTransitions);\n removePageHideEventListener = () => routerWindow.removeEventListener(\"pagehide\", _saveAppliedTransitions);\n }\n if (!state.initialized) {\n startNavigation(\"POP\" /* Pop */, state.location, {\n initialHydration: true\n });\n }\n return router;\n }\n function dispose() {\n if (unlistenHistory) {\n unlistenHistory();\n }\n if (removePageHideEventListener) {\n removePageHideEventListener();\n }\n subscribers.clear();\n pendingNavigationController && pendingNavigationController.abort();\n state.fetchers.forEach((_, key) => deleteFetcher(key));\n state.blockers.forEach((_, key) => deleteBlocker(key));\n }\n function subscribe(fn) {\n subscribers.add(fn);\n return () => subscribers.delete(fn);\n }\n function updateState(newState, opts = {}) {\n state = {\n ...state,\n ...newState\n };\n let unmountedFetchers = [];\n let mountedFetchers = [];\n state.fetchers.forEach((fetcher, key) => {\n if (fetcher.state === \"idle\") {\n if (fetchersQueuedForDeletion.has(key)) {\n unmountedFetchers.push(key);\n } else {\n mountedFetchers.push(key);\n }\n }\n });\n [...subscribers].forEach(\n (subscriber) => subscriber(state, {\n deletedFetchers: unmountedFetchers,\n viewTransitionOpts: opts.viewTransitionOpts,\n flushSync: opts.flushSync === true\n })\n );\n unmountedFetchers.forEach((key) => deleteFetcher(key));\n mountedFetchers.forEach((key) => state.fetchers.delete(key));\n }\n function completeNavigation(location, newState, { flushSync } = {}) {\n let isActionReload = state.actionData != null && state.navigation.formMethod != null && isMutationMethod(state.navigation.formMethod) && state.navigation.state === \"loading\" && location.state?._isRedirect !== true;\n let actionData;\n if (newState.actionData) {\n if (Object.keys(newState.actionData).length > 0) {\n actionData = newState.actionData;\n } else {\n actionData = null;\n }\n } else if (isActionReload) {\n actionData = state.actionData;\n } else {\n actionData = null;\n }\n let loaderData = newState.loaderData ? mergeLoaderData(\n state.loaderData,\n newState.loaderData,\n newState.matches || [],\n newState.errors\n ) : state.loaderData;\n let blockers = state.blockers;\n if (blockers.size > 0) {\n blockers = new Map(blockers);\n blockers.forEach((_, k) => blockers.set(k, IDLE_BLOCKER));\n }\n let preventScrollReset = pendingPreventScrollReset === true || state.navigation.formMethod != null && isMutationMethod(state.navigation.formMethod) && location.state?._isRedirect !== true;\n if (inFlightDataRoutes) {\n dataRoutes = inFlightDataRoutes;\n inFlightDataRoutes = void 0;\n }\n if (isUninterruptedRevalidation) {\n } else if (pendingAction === \"POP\" /* Pop */) {\n } else if (pendingAction === \"PUSH\" /* Push */) {\n init.history.push(location, location.state);\n } else if (pendingAction === \"REPLACE\" /* Replace */) {\n init.history.replace(location, location.state);\n }\n let viewTransitionOpts;\n if (pendingAction === \"POP\" /* Pop */) {\n let priorPaths = appliedViewTransitions.get(state.location.pathname);\n if (priorPaths && priorPaths.has(location.pathname)) {\n viewTransitionOpts = {\n currentLocation: state.location,\n nextLocation: location\n };\n } else if (appliedViewTransitions.has(location.pathname)) {\n viewTransitionOpts = {\n currentLocation: location,\n nextLocation: state.location\n };\n }\n } else if (pendingViewTransitionEnabled) {\n let toPaths = appliedViewTransitions.get(state.location.pathname);\n if (toPaths) {\n toPaths.add(location.pathname);\n } else {\n toPaths = /* @__PURE__ */ new Set([location.pathname]);\n appliedViewTransitions.set(state.location.pathname, toPaths);\n }\n viewTransitionOpts = {\n currentLocation: state.location,\n nextLocation: location\n };\n }\n updateState(\n {\n ...newState,\n // matches, errors, fetchers go through as-is\n actionData,\n loaderData,\n historyAction: pendingAction,\n location,\n initialized: true,\n navigation: IDLE_NAVIGATION,\n revalidation: \"idle\",\n restoreScrollPosition: getSavedScrollPosition(\n location,\n newState.matches || state.matches\n ),\n preventScrollReset,\n blockers\n },\n {\n viewTransitionOpts,\n flushSync: flushSync === true\n }\n );\n pendingAction = \"POP\" /* Pop */;\n pendingPreventScrollReset = false;\n pendingViewTransitionEnabled = false;\n isUninterruptedRevalidation = false;\n isRevalidationRequired = false;\n pendingRevalidationDfd?.resolve();\n pendingRevalidationDfd = null;\n }\n async function navigate(to, opts) {\n if (typeof to === \"number\") {\n init.history.go(to);\n return;\n }\n let normalizedPath = normalizeTo(\n state.location,\n state.matches,\n basename,\n to,\n opts?.fromRouteId,\n opts?.relative\n );\n let { path, submission, error } = normalizeNavigateOptions(\n false,\n normalizedPath,\n opts\n );\n let currentLocation = state.location;\n let nextLocation = createLocation(state.location, path, opts && opts.state);\n nextLocation = {\n ...nextLocation,\n ...init.history.encodeLocation(nextLocation)\n };\n let userReplace = opts && opts.replace != null ? opts.replace : void 0;\n let historyAction = \"PUSH\" /* Push */;\n if (userReplace === true) {\n historyAction = \"REPLACE\" /* Replace */;\n } else if (userReplace === false) {\n } else if (submission != null && isMutationMethod(submission.formMethod) && submission.formAction === state.location.pathname + state.location.search) {\n historyAction = \"REPLACE\" /* Replace */;\n }\n let preventScrollReset = opts && \"preventScrollReset\" in opts ? opts.preventScrollReset === true : void 0;\n let flushSync = (opts && opts.flushSync) === true;\n let blockerKey = shouldBlockNavigation({\n currentLocation,\n nextLocation,\n historyAction\n });\n if (blockerKey) {\n updateBlocker(blockerKey, {\n state: \"blocked\",\n location: nextLocation,\n proceed() {\n updateBlocker(blockerKey, {\n state: \"proceeding\",\n proceed: void 0,\n reset: void 0,\n location: nextLocation\n });\n navigate(to, opts);\n },\n reset() {\n let blockers = new Map(state.blockers);\n blockers.set(blockerKey, IDLE_BLOCKER);\n updateState({ blockers });\n }\n });\n return;\n }\n await startNavigation(historyAction, nextLocation, {\n submission,\n // Send through the formData serialization error if we have one so we can\n // render at the right error boundary after we match routes\n pendingError: error,\n preventScrollReset,\n replace: opts && opts.replace,\n enableViewTransition: opts && opts.viewTransition,\n flushSync\n });\n }\n function revalidate() {\n if (!pendingRevalidationDfd) {\n pendingRevalidationDfd = createDeferred();\n }\n interruptActiveLoads();\n updateState({ revalidation: \"loading\" });\n let promise = pendingRevalidationDfd.promise;\n if (state.navigation.state === \"submitting\") {\n return promise;\n }\n if (state.navigation.state === \"idle\") {\n startNavigation(state.historyAction, state.location, {\n startUninterruptedRevalidation: true\n });\n return promise;\n }\n startNavigation(\n pendingAction || state.historyAction,\n state.navigation.location,\n {\n overrideNavigation: state.navigation,\n // Proxy through any rending view transition\n enableViewTransition: pendingViewTransitionEnabled === true\n }\n );\n return promise;\n }\n async function startNavigation(historyAction, location, opts) {\n pendingNavigationController && pendingNavigationController.abort();\n pendingNavigationController = null;\n pendingAction = historyAction;\n isUninterruptedRevalidation = (opts && opts.startUninterruptedRevalidation) === true;\n saveScrollPosition(state.location, state.matches);\n pendingPreventScrollReset = (opts && opts.preventScrollReset) === true;\n pendingViewTransitionEnabled = (opts && opts.enableViewTransition) === true;\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let loadingNavigation = opts && opts.overrideNavigation;\n let matches = matchRoutes(routesToUse, location, basename);\n let flushSync = (opts && opts.flushSync) === true;\n let fogOfWar = checkFogOfWar(matches, routesToUse, location.pathname);\n if (fogOfWar.active && fogOfWar.matches) {\n matches = fogOfWar.matches;\n }\n if (!matches) {\n let { error, notFoundMatches, route } = handleNavigational404(\n location.pathname\n );\n completeNavigation(\n location,\n {\n matches: notFoundMatches,\n loaderData: {},\n errors: {\n [route.id]: error\n }\n },\n { flushSync }\n );\n return;\n }\n if (state.initialized && !isRevalidationRequired && isHashChangeOnly(state.location, location) && !(opts && opts.submission && isMutationMethod(opts.submission.formMethod))) {\n completeNavigation(location, { matches }, { flushSync });\n return;\n }\n pendingNavigationController = new AbortController();\n let request = createClientSideRequest(\n init.history,\n location,\n pendingNavigationController.signal,\n opts && opts.submission\n );\n let pendingActionResult;\n if (opts && opts.pendingError) {\n pendingActionResult = [\n findNearestBoundary(matches).route.id,\n { type: \"error\" /* error */, error: opts.pendingError }\n ];\n } else if (opts && opts.submission && isMutationMethod(opts.submission.formMethod)) {\n let actionResult = await handleAction(\n request,\n location,\n opts.submission,\n matches,\n fogOfWar.active,\n { replace: opts.replace, flushSync }\n );\n if (actionResult.shortCircuited) {\n return;\n }\n if (actionResult.pendingActionResult) {\n let [routeId, result] = actionResult.pendingActionResult;\n if (isErrorResult(result) && isRouteErrorResponse(result.error) && result.error.status === 404) {\n pendingNavigationController = null;\n completeNavigation(location, {\n matches: actionResult.matches,\n loaderData: {},\n errors: {\n [routeId]: result.error\n }\n });\n return;\n }\n }\n matches = actionResult.matches || matches;\n pendingActionResult = actionResult.pendingActionResult;\n loadingNavigation = getLoadingNavigation(location, opts.submission);\n flushSync = false;\n fogOfWar.active = false;\n request = createClientSideRequest(\n init.history,\n request.url,\n request.signal\n );\n }\n let {\n shortCircuited,\n matches: updatedMatches,\n loaderData,\n errors\n } = await handleLoaders(\n request,\n location,\n matches,\n fogOfWar.active,\n loadingNavigation,\n opts && opts.submission,\n opts && opts.fetcherSubmission,\n opts && opts.replace,\n opts && opts.initialHydration === true,\n flushSync,\n pendingActionResult\n );\n if (shortCircuited) {\n return;\n }\n pendingNavigationController = null;\n completeNavigation(location, {\n matches: updatedMatches || matches,\n ...getActionDataForCommit(pendingActionResult),\n loaderData,\n errors\n });\n }\n async function handleAction(request, location, submission, matches, isFogOfWar, opts = {}) {\n interruptActiveLoads();\n let navigation = getSubmittingNavigation(location, submission);\n updateState({ navigation }, { flushSync: opts.flushSync === true });\n if (isFogOfWar) {\n let discoverResult = await discoverRoutes(\n matches,\n location.pathname,\n request.signal\n );\n if (discoverResult.type === \"aborted\") {\n return { shortCircuited: true };\n } else if (discoverResult.type === \"error\") {\n let boundaryId = findNearestBoundary(discoverResult.partialMatches).route.id;\n return {\n matches: discoverResult.partialMatches,\n pendingActionResult: [\n boundaryId,\n {\n type: \"error\" /* error */,\n error: discoverResult.error\n }\n ]\n };\n } else if (!discoverResult.matches) {\n let { notFoundMatches, error, route } = handleNavigational404(\n location.pathname\n );\n return {\n matches: notFoundMatches,\n pendingActionResult: [\n route.id,\n {\n type: \"error\" /* error */,\n error\n }\n ]\n };\n } else {\n matches = discoverResult.matches;\n }\n }\n let result;\n let actionMatch = getTargetMatch(matches, location);\n if (!actionMatch.route.action && !actionMatch.route.lazy) {\n result = {\n type: \"error\" /* error */,\n error: getInternalRouterError(405, {\n method: request.method,\n pathname: location.pathname,\n routeId: actionMatch.route.id\n })\n };\n } else {\n let results = await callDataStrategy(\n \"action\",\n state,\n request,\n [actionMatch],\n matches,\n null\n );\n result = results[actionMatch.route.id];\n if (request.signal.aborted) {\n return { shortCircuited: true };\n }\n }\n if (isRedirectResult(result)) {\n let replace2;\n if (opts && opts.replace != null) {\n replace2 = opts.replace;\n } else {\n let location2 = normalizeRedirectLocation(\n result.response.headers.get(\"Location\"),\n new URL(request.url),\n basename\n );\n replace2 = location2 === state.location.pathname + state.location.search;\n }\n await startRedirectNavigation(request, result, true, {\n submission,\n replace: replace2\n });\n return { shortCircuited: true };\n }\n if (isErrorResult(result)) {\n let boundaryMatch = findNearestBoundary(matches, actionMatch.route.id);\n if ((opts && opts.replace) !== true) {\n pendingAction = \"PUSH\" /* Push */;\n }\n return {\n matches,\n pendingActionResult: [boundaryMatch.route.id, result]\n };\n }\n return {\n matches,\n pendingActionResult: [actionMatch.route.id, result]\n };\n }\n async function handleLoaders(request, location, matches, isFogOfWar, overrideNavigation, submission, fetcherSubmission, replace2, initialHydration, flushSync, pendingActionResult) {\n let loadingNavigation = overrideNavigation || getLoadingNavigation(location, submission);\n let activeSubmission = submission || fetcherSubmission || getSubmissionFromNavigation(loadingNavigation);\n let shouldUpdateNavigationState = !isUninterruptedRevalidation && !initialHydration;\n if (isFogOfWar) {\n if (shouldUpdateNavigationState) {\n let actionData = getUpdatedActionData(pendingActionResult);\n updateState(\n {\n navigation: loadingNavigation,\n ...actionData !== void 0 ? { actionData } : {}\n },\n {\n flushSync\n }\n );\n }\n let discoverResult = await discoverRoutes(\n matches,\n location.pathname,\n request.signal\n );\n if (discoverResult.type === \"aborted\") {\n return { shortCircuited: true };\n } else if (discoverResult.type === \"error\") {\n let boundaryId = findNearestBoundary(discoverResult.partialMatches).route.id;\n return {\n matches: discoverResult.partialMatches,\n loaderData: {},\n errors: {\n [boundaryId]: discoverResult.error\n }\n };\n } else if (!discoverResult.matches) {\n let { error, notFoundMatches, route } = handleNavigational404(\n location.pathname\n );\n return {\n matches: notFoundMatches,\n loaderData: {},\n errors: {\n [route.id]: error\n }\n };\n } else {\n matches = discoverResult.matches;\n }\n }\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let [matchesToLoad, revalidatingFetchers] = getMatchesToLoad(\n init.history,\n state,\n matches,\n activeSubmission,\n location,\n initialHydration === true,\n isRevalidationRequired,\n cancelledFetcherLoads,\n fetchersQueuedForDeletion,\n fetchLoadMatches,\n fetchRedirectIds,\n routesToUse,\n basename,\n pendingActionResult\n );\n pendingNavigationLoadId = ++incrementingLoadId;\n if (matchesToLoad.length === 0 && revalidatingFetchers.length === 0) {\n let updatedFetchers2 = markFetchRedirectsDone();\n completeNavigation(\n location,\n {\n matches,\n loaderData: {},\n // Commit pending error if we're short circuiting\n errors: pendingActionResult && isErrorResult(pendingActionResult[1]) ? { [pendingActionResult[0]]: pendingActionResult[1].error } : null,\n ...getActionDataForCommit(pendingActionResult),\n ...updatedFetchers2 ? { fetchers: new Map(state.fetchers) } : {}\n },\n { flushSync }\n );\n return { shortCircuited: true };\n }\n if (shouldUpdateNavigationState) {\n let updates = {};\n if (!isFogOfWar) {\n updates.navigation = loadingNavigation;\n let actionData = getUpdatedActionData(pendingActionResult);\n if (actionData !== void 0) {\n updates.actionData = actionData;\n }\n }\n if (revalidatingFetchers.length > 0) {\n updates.fetchers = getUpdatedRevalidatingFetchers(revalidatingFetchers);\n }\n updateState(updates, { flushSync });\n }\n revalidatingFetchers.forEach((rf) => {\n abortFetcher(rf.key);\n if (rf.controller) {\n fetchControllers.set(rf.key, rf.controller);\n }\n });\n let abortPendingFetchRevalidations = () => revalidatingFetchers.forEach((f) => abortFetcher(f.key));\n if (pendingNavigationController) {\n pendingNavigationController.signal.addEventListener(\n \"abort\",\n abortPendingFetchRevalidations\n );\n }\n let { loaderResults, fetcherResults } = await callLoadersAndMaybeResolveData(\n state,\n matches,\n matchesToLoad,\n revalidatingFetchers,\n request\n );\n if (request.signal.aborted) {\n return { shortCircuited: true };\n }\n if (pendingNavigationController) {\n pendingNavigationController.signal.removeEventListener(\n \"abort\",\n abortPendingFetchRevalidations\n );\n }\n revalidatingFetchers.forEach((rf) => fetchControllers.delete(rf.key));\n let redirect2 = findRedirect(loaderResults);\n if (redirect2) {\n await startRedirectNavigation(request, redirect2.result, true, {\n replace: replace2\n });\n return { shortCircuited: true };\n }\n redirect2 = findRedirect(fetcherResults);\n if (redirect2) {\n fetchRedirectIds.add(redirect2.key);\n await startRedirectNavigation(request, redirect2.result, true, {\n replace: replace2\n });\n return { shortCircuited: true };\n }\n let { loaderData, errors } = processLoaderData(\n state,\n matches,\n loaderResults,\n pendingActionResult,\n revalidatingFetchers,\n fetcherResults\n );\n if (initialHydration && state.errors) {\n errors = { ...state.errors, ...errors };\n }\n let updatedFetchers = markFetchRedirectsDone();\n let didAbortFetchLoads = abortStaleFetchLoads(pendingNavigationLoadId);\n let shouldUpdateFetchers = updatedFetchers || didAbortFetchLoads || revalidatingFetchers.length > 0;\n return {\n matches,\n loaderData,\n errors,\n ...shouldUpdateFetchers ? { fetchers: new Map(state.fetchers) } : {}\n };\n }\n function getUpdatedActionData(pendingActionResult) {\n if (pendingActionResult && !isErrorResult(pendingActionResult[1])) {\n return {\n [pendingActionResult[0]]: pendingActionResult[1].data\n };\n } else if (state.actionData) {\n if (Object.keys(state.actionData).length === 0) {\n return null;\n } else {\n return state.actionData;\n }\n }\n }\n function getUpdatedRevalidatingFetchers(revalidatingFetchers) {\n revalidatingFetchers.forEach((rf) => {\n let fetcher = state.fetchers.get(rf.key);\n let revalidatingFetcher = getLoadingFetcher(\n void 0,\n fetcher ? fetcher.data : void 0\n );\n state.fetchers.set(rf.key, revalidatingFetcher);\n });\n return new Map(state.fetchers);\n }\n async function fetch2(key, routeId, href, opts) {\n abortFetcher(key);\n let flushSync = (opts && opts.flushSync) === true;\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let normalizedPath = normalizeTo(\n state.location,\n state.matches,\n basename,\n href,\n routeId,\n opts?.relative\n );\n let matches = matchRoutes(routesToUse, normalizedPath, basename);\n let fogOfWar = checkFogOfWar(matches, routesToUse, normalizedPath);\n if (fogOfWar.active && fogOfWar.matches) {\n matches = fogOfWar.matches;\n }\n if (!matches) {\n setFetcherError(\n key,\n routeId,\n getInternalRouterError(404, { pathname: normalizedPath }),\n { flushSync }\n );\n return;\n }\n let { path, submission, error } = normalizeNavigateOptions(\n true,\n normalizedPath,\n opts\n );\n if (error) {\n setFetcherError(key, routeId, error, { flushSync });\n return;\n }\n let match = getTargetMatch(matches, path);\n let preventScrollReset = (opts && opts.preventScrollReset) === true;\n if (submission && isMutationMethod(submission.formMethod)) {\n await handleFetcherAction(\n key,\n routeId,\n path,\n match,\n matches,\n fogOfWar.active,\n flushSync,\n preventScrollReset,\n submission\n );\n return;\n }\n fetchLoadMatches.set(key, { routeId, path });\n await handleFetcherLoader(\n key,\n routeId,\n path,\n match,\n matches,\n fogOfWar.active,\n flushSync,\n preventScrollReset,\n submission\n );\n }\n async function handleFetcherAction(key, routeId, path, match, requestMatches, isFogOfWar, flushSync, preventScrollReset, submission) {\n interruptActiveLoads();\n fetchLoadMatches.delete(key);\n function detectAndHandle405Error(m) {\n if (!m.route.action && !m.route.lazy) {\n let error = getInternalRouterError(405, {\n method: submission.formMethod,\n pathname: path,\n routeId\n });\n setFetcherError(key, routeId, error, { flushSync });\n return true;\n }\n return false;\n }\n if (!isFogOfWar && detectAndHandle405Error(match)) {\n return;\n }\n let existingFetcher = state.fetchers.get(key);\n updateFetcherState(key, getSubmittingFetcher(submission, existingFetcher), {\n flushSync\n });\n let abortController = new AbortController();\n let fetchRequest = createClientSideRequest(\n init.history,\n path,\n abortController.signal,\n submission\n );\n if (isFogOfWar) {\n let discoverResult = await discoverRoutes(\n requestMatches,\n path,\n fetchRequest.signal\n );\n if (discoverResult.type === \"aborted\") {\n return;\n } else if (discoverResult.type === \"error\") {\n setFetcherError(key, routeId, discoverResult.error, { flushSync });\n return;\n } else if (!discoverResult.matches) {\n setFetcherError(\n key,\n routeId,\n getInternalRouterError(404, { pathname: path }),\n { flushSync }\n );\n return;\n } else {\n requestMatches = discoverResult.matches;\n match = getTargetMatch(requestMatches, path);\n if (detectAndHandle405Error(match)) {\n return;\n }\n }\n }\n fetchControllers.set(key, abortController);\n let originatingLoadId = incrementingLoadId;\n let actionResults = await callDataStrategy(\n \"action\",\n state,\n fetchRequest,\n [match],\n requestMatches,\n key\n );\n let actionResult = actionResults[match.route.id];\n if (fetchRequest.signal.aborted) {\n if (fetchControllers.get(key) === abortController) {\n fetchControllers.delete(key);\n }\n return;\n }\n if (fetchersQueuedForDeletion.has(key)) {\n if (isRedirectResult(actionResult) || isErrorResult(actionResult)) {\n updateFetcherState(key, getDoneFetcher(void 0));\n return;\n }\n } else {\n if (isRedirectResult(actionResult)) {\n fetchControllers.delete(key);\n if (pendingNavigationLoadId > originatingLoadId) {\n updateFetcherState(key, getDoneFetcher(void 0));\n return;\n } else {\n fetchRedirectIds.add(key);\n updateFetcherState(key, getLoadingFetcher(submission));\n return startRedirectNavigation(fetchRequest, actionResult, false, {\n fetcherSubmission: submission,\n preventScrollReset\n });\n }\n }\n if (isErrorResult(actionResult)) {\n setFetcherError(key, routeId, actionResult.error);\n return;\n }\n }\n let nextLocation = state.navigation.location || state.location;\n let revalidationRequest = createClientSideRequest(\n init.history,\n nextLocation,\n abortController.signal\n );\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let matches = state.navigation.state !== \"idle\" ? matchRoutes(routesToUse, state.navigation.location, basename) : state.matches;\n invariant(matches, \"Didn't find any matches after fetcher action\");\n let loadId = ++incrementingLoadId;\n fetchReloadIds.set(key, loadId);\n let loadFetcher = getLoadingFetcher(submission, actionResult.data);\n state.fetchers.set(key, loadFetcher);\n let [matchesToLoad, revalidatingFetchers] = getMatchesToLoad(\n init.history,\n state,\n matches,\n submission,\n nextLocation,\n false,\n isRevalidationRequired,\n cancelledFetcherLoads,\n fetchersQueuedForDeletion,\n fetchLoadMatches,\n fetchRedirectIds,\n routesToUse,\n basename,\n [match.route.id, actionResult]\n );\n revalidatingFetchers.filter((rf) => rf.key !== key).forEach((rf) => {\n let staleKey = rf.key;\n let existingFetcher2 = state.fetchers.get(staleKey);\n let revalidatingFetcher = getLoadingFetcher(\n void 0,\n existingFetcher2 ? existingFetcher2.data : void 0\n );\n state.fetchers.set(staleKey, revalidatingFetcher);\n abortFetcher(staleKey);\n if (rf.controller) {\n fetchControllers.set(staleKey, rf.controller);\n }\n });\n updateState({ fetchers: new Map(state.fetchers) });\n let abortPendingFetchRevalidations = () => revalidatingFetchers.forEach((rf) => abortFetcher(rf.key));\n abortController.signal.addEventListener(\n \"abort\",\n abortPendingFetchRevalidations\n );\n let { loaderResults, fetcherResults } = await callLoadersAndMaybeResolveData(\n state,\n matches,\n matchesToLoad,\n revalidatingFetchers,\n revalidationRequest\n );\n if (abortController.signal.aborted) {\n return;\n }\n abortController.signal.removeEventListener(\n \"abort\",\n abortPendingFetchRevalidations\n );\n fetchReloadIds.delete(key);\n fetchControllers.delete(key);\n revalidatingFetchers.forEach((r) => fetchControllers.delete(r.key));\n let redirect2 = findRedirect(loaderResults);\n if (redirect2) {\n return startRedirectNavigation(\n revalidationRequest,\n redirect2.result,\n false,\n { preventScrollReset }\n );\n }\n redirect2 = findRedirect(fetcherResults);\n if (redirect2) {\n fetchRedirectIds.add(redirect2.key);\n return startRedirectNavigation(\n revalidationRequest,\n redirect2.result,\n false,\n { preventScrollReset }\n );\n }\n let { loaderData, errors } = processLoaderData(\n state,\n matches,\n loaderResults,\n void 0,\n revalidatingFetchers,\n fetcherResults\n );\n if (state.fetchers.has(key)) {\n let doneFetcher = getDoneFetcher(actionResult.data);\n state.fetchers.set(key, doneFetcher);\n }\n abortStaleFetchLoads(loadId);\n if (state.navigation.state === \"loading\" && loadId > pendingNavigationLoadId) {\n invariant(pendingAction, \"Expected pending action\");\n pendingNavigationController && pendingNavigationController.abort();\n completeNavigation(state.navigation.location, {\n matches,\n loaderData,\n errors,\n fetchers: new Map(state.fetchers)\n });\n } else {\n updateState({\n errors,\n loaderData: mergeLoaderData(\n state.loaderData,\n loaderData,\n matches,\n errors\n ),\n fetchers: new Map(state.fetchers)\n });\n isRevalidationRequired = false;\n }\n }\n async function handleFetcherLoader(key, routeId, path, match, matches, isFogOfWar, flushSync, preventScrollReset, submission) {\n let existingFetcher = state.fetchers.get(key);\n updateFetcherState(\n key,\n getLoadingFetcher(\n submission,\n existingFetcher ? existingFetcher.data : void 0\n ),\n { flushSync }\n );\n let abortController = new AbortController();\n let fetchRequest = createClientSideRequest(\n init.history,\n path,\n abortController.signal\n );\n if (isFogOfWar) {\n let discoverResult = await discoverRoutes(\n matches,\n path,\n fetchRequest.signal\n );\n if (discoverResult.type === \"aborted\") {\n return;\n } else if (discoverResult.type === \"error\") {\n setFetcherError(key, routeId, discoverResult.error, { flushSync });\n return;\n } else if (!discoverResult.matches) {\n setFetcherError(\n key,\n routeId,\n getInternalRouterError(404, { pathname: path }),\n { flushSync }\n );\n return;\n } else {\n matches = discoverResult.matches;\n match = getTargetMatch(matches, path);\n }\n }\n fetchControllers.set(key, abortController);\n let originatingLoadId = incrementingLoadId;\n let results = await callDataStrategy(\n \"loader\",\n state,\n fetchRequest,\n [match],\n matches,\n key\n );\n let result = results[match.route.id];\n if (fetchControllers.get(key) === abortController) {\n fetchControllers.delete(key);\n }\n if (fetchRequest.signal.aborted) {\n return;\n }\n if (fetchersQueuedForDeletion.has(key)) {\n updateFetcherState(key, getDoneFetcher(void 0));\n return;\n }\n if (isRedirectResult(result)) {\n if (pendingNavigationLoadId > originatingLoadId) {\n updateFetcherState(key, getDoneFetcher(void 0));\n return;\n } else {\n fetchRedirectIds.add(key);\n await startRedirectNavigation(fetchRequest, result, false, {\n preventScrollReset\n });\n return;\n }\n }\n if (isErrorResult(result)) {\n setFetcherError(key, routeId, result.error);\n return;\n }\n updateFetcherState(key, getDoneFetcher(result.data));\n }\n async function startRedirectNavigation(request, redirect2, isNavigation, {\n submission,\n fetcherSubmission,\n preventScrollReset,\n replace: replace2\n } = {}) {\n if (redirect2.response.headers.has(\"X-Remix-Revalidate\")) {\n isRevalidationRequired = true;\n }\n let location = redirect2.response.headers.get(\"Location\");\n invariant(location, \"Expected a Location header on the redirect Response\");\n location = normalizeRedirectLocation(\n location,\n new URL(request.url),\n basename\n );\n let redirectLocation = createLocation(state.location, location, {\n _isRedirect: true\n });\n if (isBrowser2) {\n let isDocumentReload = false;\n if (redirect2.response.headers.has(\"X-Remix-Reload-Document\")) {\n isDocumentReload = true;\n } else if (ABSOLUTE_URL_REGEX.test(location)) {\n const url = init.history.createURL(location);\n isDocumentReload = // Hard reload if it's an absolute URL to a new origin\n url.origin !== routerWindow.location.origin || // Hard reload if it's an absolute URL that does not match our basename\n stripBasename(url.pathname, basename) == null;\n }\n if (isDocumentReload) {\n if (replace2) {\n routerWindow.location.replace(location);\n } else {\n routerWindow.location.assign(location);\n }\n return;\n }\n }\n pendingNavigationController = null;\n let redirectNavigationType = replace2 === true || redirect2.response.headers.has(\"X-Remix-Replace\") ? \"REPLACE\" /* Replace */ : \"PUSH\" /* Push */;\n let { formMethod, formAction, formEncType } = state.navigation;\n if (!submission && !fetcherSubmission && formMethod && formAction && formEncType) {\n submission = getSubmissionFromNavigation(state.navigation);\n }\n let activeSubmission = submission || fetcherSubmission;\n if (redirectPreserveMethodStatusCodes.has(redirect2.response.status) && activeSubmission && isMutationMethod(activeSubmission.formMethod)) {\n await startNavigation(redirectNavigationType, redirectLocation, {\n submission: {\n ...activeSubmission,\n formAction: location\n },\n // Preserve these flags across redirects\n preventScrollReset: preventScrollReset || pendingPreventScrollReset,\n enableViewTransition: isNavigation ? pendingViewTransitionEnabled : void 0\n });\n } else {\n let overrideNavigation = getLoadingNavigation(\n redirectLocation,\n submission\n );\n await startNavigation(redirectNavigationType, redirectLocation, {\n overrideNavigation,\n // Send fetcher submissions through for shouldRevalidate\n fetcherSubmission,\n // Preserve these flags across redirects\n preventScrollReset: preventScrollReset || pendingPreventScrollReset,\n enableViewTransition: isNavigation ? pendingViewTransitionEnabled : void 0\n });\n }\n }\n async function callDataStrategy(type, state2, request, matchesToLoad, matches, fetcherKey) {\n let results;\n let dataResults = {};\n try {\n results = await callDataStrategyImpl(\n dataStrategyImpl,\n type,\n state2,\n request,\n matchesToLoad,\n matches,\n fetcherKey,\n manifest,\n mapRouteProperties2\n );\n } catch (e) {\n matchesToLoad.forEach((m) => {\n dataResults[m.route.id] = {\n type: \"error\" /* error */,\n error: e\n };\n });\n return dataResults;\n }\n for (let [routeId, result] of Object.entries(results)) {\n if (isRedirectDataStrategyResult(result)) {\n let response = result.result;\n dataResults[routeId] = {\n type: \"redirect\" /* redirect */,\n response: normalizeRelativeRoutingRedirectResponse(\n response,\n request,\n routeId,\n matches,\n basename\n )\n };\n } else {\n dataResults[routeId] = await convertDataStrategyResultToDataResult(\n result\n );\n }\n }\n return dataResults;\n }\n async function callLoadersAndMaybeResolveData(state2, matches, matchesToLoad, fetchersToLoad, request) {\n let loaderResultsPromise = callDataStrategy(\n \"loader\",\n state2,\n request,\n matchesToLoad,\n matches,\n null\n );\n let fetcherResultsPromise = Promise.all(\n fetchersToLoad.map(async (f) => {\n if (f.matches && f.match && f.controller) {\n let results = await callDataStrategy(\n \"loader\",\n state2,\n createClientSideRequest(init.history, f.path, f.controller.signal),\n [f.match],\n f.matches,\n f.key\n );\n let result = results[f.match.route.id];\n return { [f.key]: result };\n } else {\n return Promise.resolve({\n [f.key]: {\n type: \"error\" /* error */,\n error: getInternalRouterError(404, {\n pathname: f.path\n })\n }\n });\n }\n })\n );\n let loaderResults = await loaderResultsPromise;\n let fetcherResults = (await fetcherResultsPromise).reduce(\n (acc, r) => Object.assign(acc, r),\n {}\n );\n return {\n loaderResults,\n fetcherResults\n };\n }\n function interruptActiveLoads() {\n isRevalidationRequired = true;\n fetchLoadMatches.forEach((_, key) => {\n if (fetchControllers.has(key)) {\n cancelledFetcherLoads.add(key);\n }\n abortFetcher(key);\n });\n }\n function updateFetcherState(key, fetcher, opts = {}) {\n state.fetchers.set(key, fetcher);\n updateState(\n { fetchers: new Map(state.fetchers) },\n { flushSync: (opts && opts.flushSync) === true }\n );\n }\n function setFetcherError(key, routeId, error, opts = {}) {\n let boundaryMatch = findNearestBoundary(state.matches, routeId);\n deleteFetcher(key);\n updateState(\n {\n errors: {\n [boundaryMatch.route.id]: error\n },\n fetchers: new Map(state.fetchers)\n },\n { flushSync: (opts && opts.flushSync) === true }\n );\n }\n function getFetcher(key) {\n activeFetchers.set(key, (activeFetchers.get(key) || 0) + 1);\n if (fetchersQueuedForDeletion.has(key)) {\n fetchersQueuedForDeletion.delete(key);\n }\n return state.fetchers.get(key) || IDLE_FETCHER;\n }\n function deleteFetcher(key) {\n let fetcher = state.fetchers.get(key);\n if (fetchControllers.has(key) && !(fetcher && fetcher.state === \"loading\" && fetchReloadIds.has(key))) {\n abortFetcher(key);\n }\n fetchLoadMatches.delete(key);\n fetchReloadIds.delete(key);\n fetchRedirectIds.delete(key);\n fetchersQueuedForDeletion.delete(key);\n cancelledFetcherLoads.delete(key);\n state.fetchers.delete(key);\n }\n function queueFetcherForDeletion(key) {\n let count = (activeFetchers.get(key) || 0) - 1;\n if (count <= 0) {\n activeFetchers.delete(key);\n fetchersQueuedForDeletion.add(key);\n } else {\n activeFetchers.set(key, count);\n }\n updateState({ fetchers: new Map(state.fetchers) });\n }\n function abortFetcher(key) {\n let controller = fetchControllers.get(key);\n if (controller) {\n controller.abort();\n fetchControllers.delete(key);\n }\n }\n function markFetchersDone(keys) {\n for (let key of keys) {\n let fetcher = getFetcher(key);\n let doneFetcher = getDoneFetcher(fetcher.data);\n state.fetchers.set(key, doneFetcher);\n }\n }\n function markFetchRedirectsDone() {\n let doneKeys = [];\n let updatedFetchers = false;\n for (let key of fetchRedirectIds) {\n let fetcher = state.fetchers.get(key);\n invariant(fetcher, `Expected fetcher: ${key}`);\n if (fetcher.state === \"loading\") {\n fetchRedirectIds.delete(key);\n doneKeys.push(key);\n updatedFetchers = true;\n }\n }\n markFetchersDone(doneKeys);\n return updatedFetchers;\n }\n function abortStaleFetchLoads(landedId) {\n let yeetedKeys = [];\n for (let [key, id] of fetchReloadIds) {\n if (id < landedId) {\n let fetcher = state.fetchers.get(key);\n invariant(fetcher, `Expected fetcher: ${key}`);\n if (fetcher.state === \"loading\") {\n abortFetcher(key);\n fetchReloadIds.delete(key);\n yeetedKeys.push(key);\n }\n }\n }\n markFetchersDone(yeetedKeys);\n return yeetedKeys.length > 0;\n }\n function getBlocker(key, fn) {\n let blocker = state.blockers.get(key) || IDLE_BLOCKER;\n if (blockerFunctions.get(key) !== fn) {\n blockerFunctions.set(key, fn);\n }\n return blocker;\n }\n function deleteBlocker(key) {\n state.blockers.delete(key);\n blockerFunctions.delete(key);\n }\n function updateBlocker(key, newBlocker) {\n let blocker = state.blockers.get(key) || IDLE_BLOCKER;\n invariant(\n blocker.state === \"unblocked\" && newBlocker.state === \"blocked\" || blocker.state === \"blocked\" && newBlocker.state === \"blocked\" || blocker.state === \"blocked\" && newBlocker.state === \"proceeding\" || blocker.state === \"blocked\" && newBlocker.state === \"unblocked\" || blocker.state === \"proceeding\" && newBlocker.state === \"unblocked\",\n `Invalid blocker state transition: ${blocker.state} -> ${newBlocker.state}`\n );\n let blockers = new Map(state.blockers);\n blockers.set(key, newBlocker);\n updateState({ blockers });\n }\n function shouldBlockNavigation({\n currentLocation,\n nextLocation,\n historyAction\n }) {\n if (blockerFunctions.size === 0) {\n return;\n }\n if (blockerFunctions.size > 1) {\n warning(false, \"A router only supports one blocker at a time\");\n }\n let entries = Array.from(blockerFunctions.entries());\n let [blockerKey, blockerFunction] = entries[entries.length - 1];\n let blocker = state.blockers.get(blockerKey);\n if (blocker && blocker.state === \"proceeding\") {\n return;\n }\n if (blockerFunction({ currentLocation, nextLocation, historyAction })) {\n return blockerKey;\n }\n }\n function handleNavigational404(pathname) {\n let error = getInternalRouterError(404, { pathname });\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let { matches, route } = getShortCircuitMatches(routesToUse);\n return { notFoundMatches: matches, route, error };\n }\n function enableScrollRestoration(positions, getPosition, getKey) {\n savedScrollPositions2 = positions;\n getScrollPosition = getPosition;\n getScrollRestorationKey2 = getKey || null;\n if (!initialScrollRestored && state.navigation === IDLE_NAVIGATION) {\n initialScrollRestored = true;\n let y = getSavedScrollPosition(state.location, state.matches);\n if (y != null) {\n updateState({ restoreScrollPosition: y });\n }\n }\n return () => {\n savedScrollPositions2 = null;\n getScrollPosition = null;\n getScrollRestorationKey2 = null;\n };\n }\n function getScrollKey(location, matches) {\n if (getScrollRestorationKey2) {\n let key = getScrollRestorationKey2(\n location,\n matches.map((m) => convertRouteMatchToUiMatch(m, state.loaderData))\n );\n return key || location.key;\n }\n return location.key;\n }\n function saveScrollPosition(location, matches) {\n if (savedScrollPositions2 && getScrollPosition) {\n let key = getScrollKey(location, matches);\n savedScrollPositions2[key] = getScrollPosition();\n }\n }\n function getSavedScrollPosition(location, matches) {\n if (savedScrollPositions2) {\n let key = getScrollKey(location, matches);\n let y = savedScrollPositions2[key];\n if (typeof y === \"number\") {\n return y;\n }\n }\n return null;\n }\n function checkFogOfWar(matches, routesToUse, pathname) {\n if (patchRoutesOnNavigationImpl) {\n if (!matches) {\n let fogMatches = matchRoutesImpl(\n routesToUse,\n pathname,\n basename,\n true\n );\n return { active: true, matches: fogMatches || [] };\n } else {\n if (Object.keys(matches[0].params).length > 0) {\n let partialMatches = matchRoutesImpl(\n routesToUse,\n pathname,\n basename,\n true\n );\n return { active: true, matches: partialMatches };\n }\n }\n }\n return { active: false, matches: null };\n }\n async function discoverRoutes(matches, pathname, signal) {\n if (!patchRoutesOnNavigationImpl) {\n return { type: \"success\", matches };\n }\n let partialMatches = matches;\n while (true) {\n let isNonHMR = inFlightDataRoutes == null;\n let routesToUse = inFlightDataRoutes || dataRoutes;\n let localManifest = manifest;\n try {\n await patchRoutesOnNavigationImpl({\n path: pathname,\n matches: partialMatches,\n patch: (routeId, children) => {\n if (signal.aborted) return;\n patchRoutesImpl(\n routeId,\n children,\n routesToUse,\n localManifest,\n mapRouteProperties2\n );\n }\n });\n } catch (e) {\n return { type: \"error\", error: e, partialMatches };\n } finally {\n if (isNonHMR && !signal.aborted) {\n dataRoutes = [...dataRoutes];\n }\n }\n if (signal.aborted) {\n return { type: \"aborted\" };\n }\n let newMatches = matchRoutes(routesToUse, pathname, basename);\n if (newMatches) {\n return { type: \"success\", matches: newMatches };\n }\n let newPartialMatches = matchRoutesImpl(\n routesToUse,\n pathname,\n basename,\n true\n );\n if (!newPartialMatches || partialMatches.length === newPartialMatches.length && partialMatches.every(\n (m, i) => m.route.id === newPartialMatches[i].route.id\n )) {\n return { type: \"success\", matches: null };\n }\n partialMatches = newPartialMatches;\n }\n }\n function _internalSetRoutes(newRoutes) {\n manifest = {};\n inFlightDataRoutes = convertRoutesToDataRoutes(\n newRoutes,\n mapRouteProperties2,\n void 0,\n manifest\n );\n }\n function patchRoutes(routeId, children) {\n let isNonHMR = inFlightDataRoutes == null;\n let routesToUse = inFlightDataRoutes || dataRoutes;\n patchRoutesImpl(\n routeId,\n children,\n routesToUse,\n manifest,\n mapRouteProperties2\n );\n if (isNonHMR) {\n dataRoutes = [...dataRoutes];\n updateState({});\n }\n }\n router = {\n get basename() {\n return basename;\n },\n get future() {\n return future;\n },\n get state() {\n return state;\n },\n get routes() {\n return dataRoutes;\n },\n get window() {\n return routerWindow;\n },\n initialize,\n subscribe,\n enableScrollRestoration,\n navigate,\n fetch: fetch2,\n revalidate,\n // Passthrough to history-aware createHref used by useHref so we get proper\n // hash-aware URLs in DOM paths\n createHref: (to) => init.history.createHref(to),\n encodeLocation: (to) => init.history.encodeLocation(to),\n getFetcher,\n deleteFetcher: queueFetcherForDeletion,\n dispose,\n getBlocker,\n deleteBlocker,\n patchRoutes,\n _internalFetchControllers: fetchControllers,\n // TODO: Remove setRoutes, it's temporary to avoid dealing with\n // updating the tree while validating the update algorithm.\n _internalSetRoutes\n };\n return router;\n}\nfunction createStaticHandler(routes, opts) {\n invariant(\n routes.length > 0,\n \"You must provide a non-empty routes array to createStaticHandler\"\n );\n let manifest = {};\n let basename = (opts ? opts.basename : null) || \"/\";\n let mapRouteProperties2 = opts?.mapRouteProperties || defaultMapRouteProperties;\n let dataRoutes = convertRoutesToDataRoutes(\n routes,\n mapRouteProperties2,\n void 0,\n manifest\n );\n async function query(request, {\n requestContext,\n skipLoaderErrorBubbling,\n dataStrategy\n } = {}) {\n let url = new URL(request.url);\n let method = request.method;\n let location = createLocation(\"\", createPath(url), null, \"default\");\n let matches = matchRoutes(dataRoutes, location, basename);\n if (!isValidMethod(method) && method !== \"HEAD\") {\n let error = getInternalRouterError(405, { method });\n let { matches: methodNotAllowedMatches, route } = getShortCircuitMatches(dataRoutes);\n return {\n basename,\n location,\n matches: methodNotAllowedMatches,\n loaderData: {},\n actionData: null,\n errors: {\n [route.id]: error\n },\n statusCode: error.status,\n loaderHeaders: {},\n actionHeaders: {}\n };\n } else if (!matches) {\n let error = getInternalRouterError(404, { pathname: location.pathname });\n let { matches: notFoundMatches, route } = getShortCircuitMatches(dataRoutes);\n return {\n basename,\n location,\n matches: notFoundMatches,\n loaderData: {},\n actionData: null,\n errors: {\n [route.id]: error\n },\n statusCode: error.status,\n loaderHeaders: {},\n actionHeaders: {}\n };\n }\n let result = await queryImpl(\n request,\n location,\n matches,\n requestContext,\n dataStrategy || null,\n skipLoaderErrorBubbling === true,\n null\n );\n if (isResponse(result)) {\n return result;\n }\n return { location, basename, ...result };\n }\n async function queryRoute(request, {\n routeId,\n requestContext,\n dataStrategy\n } = {}) {\n let url = new URL(request.url);\n let method = request.method;\n let location = createLocation(\"\", createPath(url), null, \"default\");\n let matches = matchRoutes(dataRoutes, location, basename);\n if (!isValidMethod(method) && method !== \"HEAD\" && method !== \"OPTIONS\") {\n throw getInternalRouterError(405, { method });\n } else if (!matches) {\n throw getInternalRouterError(404, { pathname: location.pathname });\n }\n let match = routeId ? matches.find((m) => m.route.id === routeId) : getTargetMatch(matches, location);\n if (routeId && !match) {\n throw getInternalRouterError(403, {\n pathname: location.pathname,\n routeId\n });\n } else if (!match) {\n throw getInternalRouterError(404, { pathname: location.pathname });\n }\n let result = await queryImpl(\n request,\n location,\n matches,\n requestContext,\n dataStrategy || null,\n false,\n match\n );\n if (isResponse(result)) {\n return result;\n }\n let error = result.errors ? Object.values(result.errors)[0] : void 0;\n if (error !== void 0) {\n throw error;\n }\n if (result.actionData) {\n return Object.values(result.actionData)[0];\n }\n if (result.loaderData) {\n return Object.values(result.loaderData)[0];\n }\n return void 0;\n }\n async function queryImpl(request, location, matches, requestContext, dataStrategy, skipLoaderErrorBubbling, routeMatch) {\n invariant(\n request.signal,\n \"query()/queryRoute() requests must contain an AbortController signal\"\n );\n try {\n if (isMutationMethod(request.method)) {\n let result2 = await submit(\n request,\n matches,\n routeMatch || getTargetMatch(matches, location),\n requestContext,\n dataStrategy,\n skipLoaderErrorBubbling,\n routeMatch != null\n );\n return result2;\n }\n let result = await loadRouteData(\n request,\n matches,\n requestContext,\n dataStrategy,\n skipLoaderErrorBubbling,\n routeMatch\n );\n return isResponse(result) ? result : {\n ...result,\n actionData: null,\n actionHeaders: {}\n };\n } catch (e) {\n if (isDataStrategyResult(e) && isResponse(e.result)) {\n if (e.type === \"error\" /* error */) {\n throw e.result;\n }\n return e.result;\n }\n if (isRedirectResponse(e)) {\n return e;\n }\n throw e;\n }\n }\n async function submit(request, matches, actionMatch, requestContext, dataStrategy, skipLoaderErrorBubbling, isRouteRequest) {\n let result;\n if (!actionMatch.route.action && !actionMatch.route.lazy) {\n let error = getInternalRouterError(405, {\n method: request.method,\n pathname: new URL(request.url).pathname,\n routeId: actionMatch.route.id\n });\n if (isRouteRequest) {\n throw error;\n }\n result = {\n type: \"error\" /* error */,\n error\n };\n } else {\n let results = await callDataStrategy(\n \"action\",\n request,\n [actionMatch],\n matches,\n isRouteRequest,\n requestContext,\n dataStrategy\n );\n result = results[actionMatch.route.id];\n if (request.signal.aborted) {\n throwStaticHandlerAbortedError(request, isRouteRequest);\n }\n }\n if (isRedirectResult(result)) {\n throw new Response(null, {\n status: result.response.status,\n headers: {\n Location: result.response.headers.get(\"Location\")\n }\n });\n }\n if (isRouteRequest) {\n if (isErrorResult(result)) {\n throw result.error;\n }\n return {\n matches: [actionMatch],\n loaderData: {},\n actionData: { [actionMatch.route.id]: result.data },\n errors: null,\n // Note: statusCode + headers are unused here since queryRoute will\n // return the raw Response or value\n statusCode: 200,\n loaderHeaders: {},\n actionHeaders: {}\n };\n }\n let loaderRequest = new Request(request.url, {\n headers: request.headers,\n redirect: request.redirect,\n signal: request.signal\n });\n if (isErrorResult(result)) {\n let boundaryMatch = skipLoaderErrorBubbling ? actionMatch : findNearestBoundary(matches, actionMatch.route.id);\n let context2 = await loadRouteData(\n loaderRequest,\n matches,\n requestContext,\n dataStrategy,\n skipLoaderErrorBubbling,\n null,\n [boundaryMatch.route.id, result]\n );\n return {\n ...context2,\n statusCode: isRouteErrorResponse(result.error) ? result.error.status : result.statusCode != null ? result.statusCode : 500,\n actionData: null,\n actionHeaders: {\n ...result.headers ? { [actionMatch.route.id]: result.headers } : {}\n }\n };\n }\n let context = await loadRouteData(\n loaderRequest,\n matches,\n requestContext,\n dataStrategy,\n skipLoaderErrorBubbling,\n null\n );\n return {\n ...context,\n actionData: {\n [actionMatch.route.id]: result.data\n },\n // action status codes take precedence over loader status codes\n ...result.statusCode ? { statusCode: result.statusCode } : {},\n actionHeaders: result.headers ? { [actionMatch.route.id]: result.headers } : {}\n };\n }\n async function loadRouteData(request, matches, requestContext, dataStrategy, skipLoaderErrorBubbling, routeMatch, pendingActionResult) {\n let isRouteRequest = routeMatch != null;\n if (isRouteRequest && !routeMatch?.route.loader && !routeMatch?.route.lazy) {\n throw getInternalRouterError(400, {\n method: request.method,\n pathname: new URL(request.url).pathname,\n routeId: routeMatch?.route.id\n });\n }\n let requestMatches = routeMatch ? [routeMatch] : pendingActionResult && isErrorResult(pendingActionResult[1]) ? getLoaderMatchesUntilBoundary(matches, pendingActionResult[0]) : matches;\n let matchesToLoad = requestMatches.filter(\n (m) => m.route.loader || m.route.lazy\n );\n if (matchesToLoad.length === 0) {\n return {\n matches,\n // Add a null for all matched routes for proper revalidation on the client\n loaderData: matches.reduce(\n (acc, m) => Object.assign(acc, { [m.route.id]: null }),\n {}\n ),\n errors: pendingActionResult && isErrorResult(pendingActionResult[1]) ? {\n [pendingActionResult[0]]: pendingActionResult[1].error\n } : null,\n statusCode: 200,\n loaderHeaders: {}\n };\n }\n let results = await callDataStrategy(\n \"loader\",\n request,\n matchesToLoad,\n matches,\n isRouteRequest,\n requestContext,\n dataStrategy\n );\n if (request.signal.aborted) {\n throwStaticHandlerAbortedError(request, isRouteRequest);\n }\n let context = processRouteLoaderData(\n matches,\n results,\n pendingActionResult,\n true,\n skipLoaderErrorBubbling\n );\n let executedLoaders = new Set(\n matchesToLoad.map((match) => match.route.id)\n );\n matches.forEach((match) => {\n if (!executedLoaders.has(match.route.id)) {\n context.loaderData[match.route.id] = null;\n }\n });\n return {\n ...context,\n matches\n };\n }\n async function callDataStrategy(type, request, matchesToLoad, matches, isRouteRequest, requestContext, dataStrategy) {\n let results = await callDataStrategyImpl(\n dataStrategy || defaultDataStrategy,\n type,\n null,\n request,\n matchesToLoad,\n matches,\n null,\n manifest,\n mapRouteProperties2,\n requestContext\n );\n let dataResults = {};\n await Promise.all(\n matches.map(async (match) => {\n if (!(match.route.id in results)) {\n return;\n }\n let result = results[match.route.id];\n if (isRedirectDataStrategyResult(result)) {\n let response = result.result;\n throw normalizeRelativeRoutingRedirectResponse(\n response,\n request,\n match.route.id,\n matches,\n basename\n );\n }\n if (isResponse(result.result) && isRouteRequest) {\n throw result;\n }\n dataResults[match.route.id] = await convertDataStrategyResultToDataResult(result);\n })\n );\n return dataResults;\n }\n return {\n dataRoutes,\n query,\n queryRoute\n };\n}\nfunction getStaticContextFromError(routes, context, error) {\n let newContext = {\n ...context,\n statusCode: isRouteErrorResponse(error) ? error.status : 500,\n errors: {\n [context._deepestRenderedBoundaryId || routes[0].id]: error\n }\n };\n return newContext;\n}\nfunction throwStaticHandlerAbortedError(request, isRouteRequest) {\n if (request.signal.reason !== void 0) {\n throw request.signal.reason;\n }\n let method = isRouteRequest ? \"queryRoute\" : \"query\";\n throw new Error(\n `${method}() call aborted without an \\`AbortSignal.reason\\`: ${request.method} ${request.url}`\n );\n}\nfunction isSubmissionNavigation(opts) {\n return opts != null && (\"formData\" in opts && opts.formData != null || \"body\" in opts && opts.body !== void 0);\n}\nfunction normalizeTo(location, matches, basename, to, fromRouteId, relative) {\n let contextualMatches;\n let activeRouteMatch;\n if (fromRouteId) {\n contextualMatches = [];\n for (let match of matches) {\n contextualMatches.push(match);\n if (match.route.id === fromRouteId) {\n activeRouteMatch = match;\n break;\n }\n }\n } else {\n contextualMatches = matches;\n activeRouteMatch = matches[matches.length - 1];\n }\n let path = resolveTo(\n to ? to : \".\",\n getResolveToMatches(contextualMatches),\n stripBasename(location.pathname, basename) || location.pathname,\n relative === \"path\"\n );\n if (to == null) {\n path.search = location.search;\n path.hash = location.hash;\n }\n if ((to == null || to === \"\" || to === \".\") && activeRouteMatch) {\n let nakedIndex = hasNakedIndexQuery(path.search);\n if (activeRouteMatch.route.index && !nakedIndex) {\n path.search = path.search ? path.search.replace(/^\\?/, \"?index&\") : \"?index\";\n } else if (!activeRouteMatch.route.index && nakedIndex) {\n let params = new URLSearchParams(path.search);\n let indexValues = params.getAll(\"index\");\n params.delete(\"index\");\n indexValues.filter((v) => v).forEach((v) => params.append(\"index\", v));\n let qs = params.toString();\n path.search = qs ? `?${qs}` : \"\";\n }\n }\n if (basename !== \"/\") {\n path.pathname = path.pathname === \"/\" ? basename : joinPaths([basename, path.pathname]);\n }\n return createPath(path);\n}\nfunction normalizeNavigateOptions(isFetcher, path, opts) {\n if (!opts || !isSubmissionNavigation(opts)) {\n return { path };\n }\n if (opts.formMethod && !isValidMethod(opts.formMethod)) {\n return {\n path,\n error: getInternalRouterError(405, { method: opts.formMethod })\n };\n }\n let getInvalidBodyError = () => ({\n path,\n error: getInternalRouterError(400, { type: \"invalid-body\" })\n });\n let rawFormMethod = opts.formMethod || \"get\";\n let formMethod = rawFormMethod.toUpperCase();\n let formAction = stripHashFromPath(path);\n if (opts.body !== void 0) {\n if (opts.formEncType === \"text/plain\") {\n if (!isMutationMethod(formMethod)) {\n return getInvalidBodyError();\n }\n let text = typeof opts.body === \"string\" ? opts.body : opts.body instanceof FormData || opts.body instanceof URLSearchParams ? (\n // https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#plain-text-form-data\n Array.from(opts.body.entries()).reduce(\n (acc, [name, value]) => `${acc}${name}=${value}\n`,\n \"\"\n )\n ) : String(opts.body);\n return {\n path,\n submission: {\n formMethod,\n formAction,\n formEncType: opts.formEncType,\n formData: void 0,\n json: void 0,\n text\n }\n };\n } else if (opts.formEncType === \"application/json\") {\n if (!isMutationMethod(formMethod)) {\n return getInvalidBodyError();\n }\n try {\n let json = typeof opts.body === \"string\" ? JSON.parse(opts.body) : opts.body;\n return {\n path,\n submission: {\n formMethod,\n formAction,\n formEncType: opts.formEncType,\n formData: void 0,\n json,\n text: void 0\n }\n };\n } catch (e) {\n return getInvalidBodyError();\n }\n }\n }\n invariant(\n typeof FormData === \"function\",\n \"FormData is not available in this environment\"\n );\n let searchParams;\n let formData;\n if (opts.formData) {\n searchParams = convertFormDataToSearchParams(opts.formData);\n formData = opts.formData;\n } else if (opts.body instanceof FormData) {\n searchParams = convertFormDataToSearchParams(opts.body);\n formData = opts.body;\n } else if (opts.body instanceof URLSearchParams) {\n searchParams = opts.body;\n formData = convertSearchParamsToFormData(searchParams);\n } else if (opts.body == null) {\n searchParams = new URLSearchParams();\n formData = new FormData();\n } else {\n try {\n searchParams = new URLSearchParams(opts.body);\n formData = convertSearchParamsToFormData(searchParams);\n } catch (e) {\n return getInvalidBodyError();\n }\n }\n let submission = {\n formMethod,\n formAction,\n formEncType: opts && opts.formEncType || \"application/x-www-form-urlencoded\",\n formData,\n json: void 0,\n text: void 0\n };\n if (isMutationMethod(submission.formMethod)) {\n return { path, submission };\n }\n let parsedPath = parsePath(path);\n if (isFetcher && parsedPath.search && hasNakedIndexQuery(parsedPath.search)) {\n searchParams.append(\"index\", \"\");\n }\n parsedPath.search = `?${searchParams}`;\n return { path: createPath(parsedPath), submission };\n}\nfunction getLoaderMatchesUntilBoundary(matches, boundaryId, includeBoundary = false) {\n let index = matches.findIndex((m) => m.route.id === boundaryId);\n if (index >= 0) {\n return matches.slice(0, includeBoundary ? index + 1 : index);\n }\n return matches;\n}\nfunction getMatchesToLoad(history, state, matches, submission, location, initialHydration, isRevalidationRequired, cancelledFetcherLoads, fetchersQueuedForDeletion, fetchLoadMatches, fetchRedirectIds, routesToUse, basename, pendingActionResult) {\n let actionResult = pendingActionResult ? isErrorResult(pendingActionResult[1]) ? pendingActionResult[1].error : pendingActionResult[1].data : void 0;\n let currentUrl = history.createURL(state.location);\n let nextUrl = history.createURL(location);\n let boundaryMatches = matches;\n if (initialHydration && state.errors) {\n boundaryMatches = getLoaderMatchesUntilBoundary(\n matches,\n Object.keys(state.errors)[0],\n true\n );\n } else if (pendingActionResult && isErrorResult(pendingActionResult[1])) {\n boundaryMatches = getLoaderMatchesUntilBoundary(\n matches,\n pendingActionResult[0]\n );\n }\n let actionStatus = pendingActionResult ? pendingActionResult[1].statusCode : void 0;\n let shouldSkipRevalidation = actionStatus && actionStatus >= 400;\n let navigationMatches = boundaryMatches.filter((match, index) => {\n let { route } = match;\n if (route.lazy) {\n return true;\n }\n if (route.loader == null) {\n return false;\n }\n if (initialHydration) {\n return shouldLoadRouteOnHydration(route, state.loaderData, state.errors);\n }\n if (isNewLoader(state.loaderData, state.matches[index], match)) {\n return true;\n }\n let currentRouteMatch = state.matches[index];\n let nextRouteMatch = match;\n return shouldRevalidateLoader(match, {\n currentUrl,\n currentParams: currentRouteMatch.params,\n nextUrl,\n nextParams: nextRouteMatch.params,\n ...submission,\n actionResult,\n actionStatus,\n defaultShouldRevalidate: shouldSkipRevalidation ? false : (\n // Forced revalidation due to submission, useRevalidator, or X-Remix-Revalidate\n isRevalidationRequired || currentUrl.pathname + currentUrl.search === nextUrl.pathname + nextUrl.search || // Search params affect all loaders\n currentUrl.search !== nextUrl.search || isNewRouteInstance(currentRouteMatch, nextRouteMatch)\n )\n });\n });\n let revalidatingFetchers = [];\n fetchLoadMatches.forEach((f, key) => {\n if (initialHydration || !matches.some((m) => m.route.id === f.routeId) || fetchersQueuedForDeletion.has(key)) {\n return;\n }\n let fetcherMatches = matchRoutes(routesToUse, f.path, basename);\n if (!fetcherMatches) {\n revalidatingFetchers.push({\n key,\n routeId: f.routeId,\n path: f.path,\n matches: null,\n match: null,\n controller: null\n });\n return;\n }\n let fetcher = state.fetchers.get(key);\n let fetcherMatch = getTargetMatch(fetcherMatches, f.path);\n let shouldRevalidate = false;\n if (fetchRedirectIds.has(key)) {\n shouldRevalidate = false;\n } else if (cancelledFetcherLoads.has(key)) {\n cancelledFetcherLoads.delete(key);\n shouldRevalidate = true;\n } else if (fetcher && fetcher.state !== \"idle\" && fetcher.data === void 0) {\n shouldRevalidate = isRevalidationRequired;\n } else {\n shouldRevalidate = shouldRevalidateLoader(fetcherMatch, {\n currentUrl,\n currentParams: state.matches[state.matches.length - 1].params,\n nextUrl,\n nextParams: matches[matches.length - 1].params,\n ...submission,\n actionResult,\n actionStatus,\n defaultShouldRevalidate: shouldSkipRevalidation ? false : isRevalidationRequired\n });\n }\n if (shouldRevalidate) {\n revalidatingFetchers.push({\n key,\n routeId: f.routeId,\n path: f.path,\n matches: fetcherMatches,\n match: fetcherMatch,\n controller: new AbortController()\n });\n }\n });\n return [navigationMatches, revalidatingFetchers];\n}\nfunction shouldLoadRouteOnHydration(route, loaderData, errors) {\n if (route.lazy) {\n return true;\n }\n if (!route.loader) {\n return false;\n }\n let hasData = loaderData != null && loaderData[route.id] !== void 0;\n let hasError = errors != null && errors[route.id] !== void 0;\n if (!hasData && hasError) {\n return false;\n }\n if (typeof route.loader === \"function\" && route.loader.hydrate === true) {\n return true;\n }\n return !hasData && !hasError;\n}\nfunction isNewLoader(currentLoaderData, currentMatch, match) {\n let isNew = (\n // [a] -> [a, b]\n !currentMatch || // [a, b] -> [a, c]\n match.route.id !== currentMatch.route.id\n );\n let isMissingData = !currentLoaderData.hasOwnProperty(match.route.id);\n return isNew || isMissingData;\n}\nfunction isNewRouteInstance(currentMatch, match) {\n let currentPath = currentMatch.route.path;\n return (\n // param change for this match, /users/123 -> /users/456\n currentMatch.pathname !== match.pathname || // splat param changed, which is not present in match.path\n // e.g. /files/images/avatar.jpg -> files/finances.xls\n currentPath != null && currentPath.endsWith(\"*\") && currentMatch.params[\"*\"] !== match.params[\"*\"]\n );\n}\nfunction shouldRevalidateLoader(loaderMatch, arg) {\n if (loaderMatch.route.shouldRevalidate) {\n let routeChoice = loaderMatch.route.shouldRevalidate(arg);\n if (typeof routeChoice === \"boolean\") {\n return routeChoice;\n }\n }\n return arg.defaultShouldRevalidate;\n}\nfunction patchRoutesImpl(routeId, children, routesToUse, manifest, mapRouteProperties2) {\n let childrenToPatch;\n if (routeId) {\n let route = manifest[routeId];\n invariant(\n route,\n `No route found to patch children into: routeId = ${routeId}`\n );\n if (!route.children) {\n route.children = [];\n }\n childrenToPatch = route.children;\n } else {\n childrenToPatch = routesToUse;\n }\n let uniqueChildren = children.filter(\n (newRoute) => !childrenToPatch.some(\n (existingRoute) => isSameRoute(newRoute, existingRoute)\n )\n );\n let newRoutes = convertRoutesToDataRoutes(\n uniqueChildren,\n mapRouteProperties2,\n [routeId || \"_\", \"patch\", String(childrenToPatch?.length || \"0\")],\n manifest\n );\n childrenToPatch.push(...newRoutes);\n}\nfunction isSameRoute(newRoute, existingRoute) {\n if (\"id\" in newRoute && \"id\" in existingRoute && newRoute.id === existingRoute.id) {\n return true;\n }\n if (!(newRoute.index === existingRoute.index && newRoute.path === existingRoute.path && newRoute.caseSensitive === existingRoute.caseSensitive)) {\n return false;\n }\n if ((!newRoute.children || newRoute.children.length === 0) && (!existingRoute.children || existingRoute.children.length === 0)) {\n return true;\n }\n return newRoute.children.every(\n (aChild, i) => existingRoute.children?.some((bChild) => isSameRoute(aChild, bChild))\n );\n}\nasync function loadLazyRouteModule(route, mapRouteProperties2, manifest) {\n if (!route.lazy) {\n return;\n }\n let lazyRoute = await route.lazy();\n if (!route.lazy) {\n return;\n }\n let routeToUpdate = manifest[route.id];\n invariant(routeToUpdate, \"No route found in manifest\");\n let routeUpdates = {};\n for (let lazyRouteProperty in lazyRoute) {\n let staticRouteValue = routeToUpdate[lazyRouteProperty];\n let isPropertyStaticallyDefined = staticRouteValue !== void 0 && // This property isn't static since it should always be updated based\n // on the route updates\n lazyRouteProperty !== \"hasErrorBoundary\";\n warning(\n !isPropertyStaticallyDefined,\n `Route \"${routeToUpdate.id}\" has a static property \"${lazyRouteProperty}\" defined but its lazy function is also returning a value for this property. The lazy route property \"${lazyRouteProperty}\" will be ignored.`\n );\n if (!isPropertyStaticallyDefined && !immutableRouteKeys.has(lazyRouteProperty)) {\n routeUpdates[lazyRouteProperty] = lazyRoute[lazyRouteProperty];\n }\n }\n Object.assign(routeToUpdate, routeUpdates);\n Object.assign(routeToUpdate, {\n // To keep things framework agnostic, we use the provided `mapRouteProperties`\n // function to set the framework-aware properties (`element`/`hasErrorBoundary`)\n // since the logic will differ between frameworks.\n ...mapRouteProperties2(routeToUpdate),\n lazy: void 0\n });\n}\nasync function defaultDataStrategy({\n matches\n}) {\n let matchesToLoad = matches.filter((m) => m.shouldLoad);\n let results = await Promise.all(matchesToLoad.map((m) => m.resolve()));\n return results.reduce(\n (acc, result, i) => Object.assign(acc, { [matchesToLoad[i].route.id]: result }),\n {}\n );\n}\nasync function callDataStrategyImpl(dataStrategyImpl, type, state, request, matchesToLoad, matches, fetcherKey, manifest, mapRouteProperties2, requestContext) {\n let loadRouteDefinitionsPromises = matches.map(\n (m) => m.route.lazy ? loadLazyRouteModule(m.route, mapRouteProperties2, manifest) : void 0\n );\n let dsMatches = matches.map((match, i) => {\n let loadRoutePromise = loadRouteDefinitionsPromises[i];\n let shouldLoad = matchesToLoad.some((m) => m.route.id === match.route.id);\n let resolve = async (handlerOverride) => {\n if (handlerOverride && request.method === \"GET\" && (match.route.lazy || match.route.loader)) {\n shouldLoad = true;\n }\n return shouldLoad ? callLoaderOrAction(\n type,\n request,\n match,\n loadRoutePromise,\n handlerOverride,\n requestContext\n ) : Promise.resolve({ type: \"data\" /* data */, result: void 0 });\n };\n return {\n ...match,\n shouldLoad,\n resolve\n };\n });\n let results = await dataStrategyImpl({\n matches: dsMatches,\n request,\n params: matches[0].params,\n fetcherKey,\n context: requestContext\n });\n try {\n await Promise.all(loadRouteDefinitionsPromises);\n } catch (e) {\n }\n return results;\n}\nasync function callLoaderOrAction(type, request, match, loadRoutePromise, handlerOverride, staticContext) {\n let result;\n let onReject;\n let runHandler = (handler) => {\n let reject;\n let abortPromise = new Promise((_, r) => reject = r);\n onReject = () => reject();\n request.signal.addEventListener(\"abort\", onReject);\n let actualHandler = (ctx) => {\n if (typeof handler !== \"function\") {\n return Promise.reject(\n new Error(\n `You cannot call the handler for a route which defines a boolean \"${type}\" [routeId: ${match.route.id}]`\n )\n );\n }\n return handler(\n {\n request,\n params: match.params,\n context: staticContext\n },\n ...ctx !== void 0 ? [ctx] : []\n );\n };\n let handlerPromise = (async () => {\n try {\n let val = await (handlerOverride ? handlerOverride((ctx) => actualHandler(ctx)) : actualHandler());\n return { type: \"data\", result: val };\n } catch (e) {\n return { type: \"error\", result: e };\n }\n })();\n return Promise.race([handlerPromise, abortPromise]);\n };\n try {\n let handler = match.route[type];\n if (loadRoutePromise) {\n if (handler) {\n let handlerError;\n let [value] = await Promise.all([\n // If the handler throws, don't let it immediately bubble out,\n // since we need to let the lazy() execution finish so we know if this\n // route has a boundary that can handle the error\n runHandler(handler).catch((e) => {\n handlerError = e;\n }),\n loadRoutePromise\n ]);\n if (handlerError !== void 0) {\n throw handlerError;\n }\n result = value;\n } else {\n await loadRoutePromise;\n handler = match.route[type];\n if (handler) {\n result = await runHandler(handler);\n } else if (type === \"action\") {\n let url = new URL(request.url);\n let pathname = url.pathname + url.search;\n throw getInternalRouterError(405, {\n method: request.method,\n pathname,\n routeId: match.route.id\n });\n } else {\n return { type: \"data\" /* data */, result: void 0 };\n }\n }\n } else if (!handler) {\n let url = new URL(request.url);\n let pathname = url.pathname + url.search;\n throw getInternalRouterError(404, {\n pathname\n });\n } else {\n result = await runHandler(handler);\n }\n } catch (e) {\n return { type: \"error\" /* error */, result: e };\n } finally {\n if (onReject) {\n request.signal.removeEventListener(\"abort\", onReject);\n }\n }\n return result;\n}\nasync function convertDataStrategyResultToDataResult(dataStrategyResult) {\n let { result, type } = dataStrategyResult;\n if (isResponse(result)) {\n let data2;\n try {\n let contentType = result.headers.get(\"Content-Type\");\n if (contentType && /\\bapplication\\/json\\b/.test(contentType)) {\n if (result.body == null) {\n data2 = null;\n } else {\n data2 = await result.json();\n }\n } else {\n data2 = await result.text();\n }\n } catch (e) {\n return { type: \"error\" /* error */, error: e };\n }\n if (type === \"error\" /* error */) {\n return {\n type: \"error\" /* error */,\n error: new ErrorResponseImpl(result.status, result.statusText, data2),\n statusCode: result.status,\n headers: result.headers\n };\n }\n return {\n type: \"data\" /* data */,\n data: data2,\n statusCode: result.status,\n headers: result.headers\n };\n }\n if (type === \"error\" /* error */) {\n if (isDataWithResponseInit(result)) {\n if (result.data instanceof Error) {\n return {\n type: \"error\" /* error */,\n error: result.data,\n statusCode: result.init?.status\n };\n }\n result = new ErrorResponseImpl(\n result.init?.status || 500,\n void 0,\n result.data\n );\n }\n return {\n type: \"error\" /* error */,\n error: result,\n statusCode: isRouteErrorResponse(result) ? result.status : void 0\n };\n }\n if (isDataWithResponseInit(result)) {\n return {\n type: \"data\" /* data */,\n data: result.data,\n statusCode: result.init?.status,\n headers: result.init?.headers ? new Headers(result.init.headers) : void 0\n };\n }\n return { type: \"data\" /* data */, data: result };\n}\nfunction normalizeRelativeRoutingRedirectResponse(response, request, routeId, matches, basename) {\n let location = response.headers.get(\"Location\");\n invariant(\n location,\n \"Redirects returned/thrown from loaders/actions must have a Location header\"\n );\n if (!ABSOLUTE_URL_REGEX.test(location)) {\n let trimmedMatches = matches.slice(\n 0,\n matches.findIndex((m) => m.route.id === routeId) + 1\n );\n location = normalizeTo(\n new URL(request.url),\n trimmedMatches,\n basename,\n location\n );\n response.headers.set(\"Location\", location);\n }\n return response;\n}\nfunction normalizeRedirectLocation(location, currentUrl, basename) {\n if (ABSOLUTE_URL_REGEX.test(location)) {\n let normalizedLocation = location;\n let url = normalizedLocation.startsWith(\"//\") ? new URL(currentUrl.protocol + normalizedLocation) : new URL(normalizedLocation);\n let isSameBasename = stripBasename(url.pathname, basename) != null;\n if (url.origin === currentUrl.origin && isSameBasename) {\n return url.pathname + url.search + url.hash;\n }\n }\n return location;\n}\nfunction createClientSideRequest(history, location, signal, submission) {\n let url = history.createURL(stripHashFromPath(location)).toString();\n let init = { signal };\n if (submission && isMutationMethod(submission.formMethod)) {\n let { formMethod, formEncType } = submission;\n init.method = formMethod.toUpperCase();\n if (formEncType === \"application/json\") {\n init.headers = new Headers({ \"Content-Type\": formEncType });\n init.body = JSON.stringify(submission.json);\n } else if (formEncType === \"text/plain\") {\n init.body = submission.text;\n } else if (formEncType === \"application/x-www-form-urlencoded\" && submission.formData) {\n init.body = convertFormDataToSearchParams(submission.formData);\n } else {\n init.body = submission.formData;\n }\n }\n return new Request(url, init);\n}\nfunction convertFormDataToSearchParams(formData) {\n let searchParams = new URLSearchParams();\n for (let [key, value] of formData.entries()) {\n searchParams.append(key, typeof value === \"string\" ? value : value.name);\n }\n return searchParams;\n}\nfunction convertSearchParamsToFormData(searchParams) {\n let formData = new FormData();\n for (let [key, value] of searchParams.entries()) {\n formData.append(key, value);\n }\n return formData;\n}\nfunction processRouteLoaderData(matches, results, pendingActionResult, isStaticHandler = false, skipLoaderErrorBubbling = false) {\n let loaderData = {};\n let errors = null;\n let statusCode;\n let foundError = false;\n let loaderHeaders = {};\n let pendingError = pendingActionResult && isErrorResult(pendingActionResult[1]) ? pendingActionResult[1].error : void 0;\n matches.forEach((match) => {\n if (!(match.route.id in results)) {\n return;\n }\n let id = match.route.id;\n let result = results[id];\n invariant(\n !isRedirectResult(result),\n \"Cannot handle redirect results in processLoaderData\"\n );\n if (isErrorResult(result)) {\n let error = result.error;\n if (pendingError !== void 0) {\n error = pendingError;\n pendingError = void 0;\n }\n errors = errors || {};\n if (skipLoaderErrorBubbling) {\n errors[id] = error;\n } else {\n let boundaryMatch = findNearestBoundary(matches, id);\n if (errors[boundaryMatch.route.id] == null) {\n errors[boundaryMatch.route.id] = error;\n }\n }\n if (!isStaticHandler) {\n loaderData[id] = ResetLoaderDataSymbol;\n }\n if (!foundError) {\n foundError = true;\n statusCode = isRouteErrorResponse(result.error) ? result.error.status : 500;\n }\n if (result.headers) {\n loaderHeaders[id] = result.headers;\n }\n } else {\n loaderData[id] = result.data;\n if (result.statusCode && result.statusCode !== 200 && !foundError) {\n statusCode = result.statusCode;\n }\n if (result.headers) {\n loaderHeaders[id] = result.headers;\n }\n }\n });\n if (pendingError !== void 0 && pendingActionResult) {\n errors = { [pendingActionResult[0]]: pendingError };\n loaderData[pendingActionResult[0]] = void 0;\n }\n return {\n loaderData,\n errors,\n statusCode: statusCode || 200,\n loaderHeaders\n };\n}\nfunction processLoaderData(state, matches, results, pendingActionResult, revalidatingFetchers, fetcherResults) {\n let { loaderData, errors } = processRouteLoaderData(\n matches,\n results,\n pendingActionResult\n );\n revalidatingFetchers.forEach((rf) => {\n let { key, match, controller } = rf;\n let result = fetcherResults[key];\n invariant(result, \"Did not find corresponding fetcher result\");\n if (controller && controller.signal.aborted) {\n return;\n } else if (isErrorResult(result)) {\n let boundaryMatch = findNearestBoundary(state.matches, match?.route.id);\n if (!(errors && errors[boundaryMatch.route.id])) {\n errors = {\n ...errors,\n [boundaryMatch.route.id]: result.error\n };\n }\n state.fetchers.delete(key);\n } else if (isRedirectResult(result)) {\n invariant(false, \"Unhandled fetcher revalidation redirect\");\n } else {\n let doneFetcher = getDoneFetcher(result.data);\n state.fetchers.set(key, doneFetcher);\n }\n });\n return { loaderData, errors };\n}\nfunction mergeLoaderData(loaderData, newLoaderData, matches, errors) {\n let mergedLoaderData = Object.entries(newLoaderData).filter(([, v]) => v !== ResetLoaderDataSymbol).reduce((merged, [k, v]) => {\n merged[k] = v;\n return merged;\n }, {});\n for (let match of matches) {\n let id = match.route.id;\n if (!newLoaderData.hasOwnProperty(id) && loaderData.hasOwnProperty(id) && match.route.loader) {\n mergedLoaderData[id] = loaderData[id];\n }\n if (errors && errors.hasOwnProperty(id)) {\n break;\n }\n }\n return mergedLoaderData;\n}\nfunction getActionDataForCommit(pendingActionResult) {\n if (!pendingActionResult) {\n return {};\n }\n return isErrorResult(pendingActionResult[1]) ? {\n // Clear out prior actionData on errors\n actionData: {}\n } : {\n actionData: {\n [pendingActionResult[0]]: pendingActionResult[1].data\n }\n };\n}\nfunction findNearestBoundary(matches, routeId) {\n let eligibleMatches = routeId ? matches.slice(0, matches.findIndex((m) => m.route.id === routeId) + 1) : [...matches];\n return eligibleMatches.reverse().find((m) => m.route.hasErrorBoundary === true) || matches[0];\n}\nfunction getShortCircuitMatches(routes) {\n let route = routes.length === 1 ? routes[0] : routes.find((r) => r.index || !r.path || r.path === \"/\") || {\n id: `__shim-error-route__`\n };\n return {\n matches: [\n {\n params: {},\n pathname: \"\",\n pathnameBase: \"\",\n route\n }\n ],\n route\n };\n}\nfunction getInternalRouterError(status, {\n pathname,\n routeId,\n method,\n type,\n message\n} = {}) {\n let statusText = \"Unknown Server Error\";\n let errorMessage = \"Unknown @remix-run/router error\";\n if (status === 400) {\n statusText = \"Bad Request\";\n if (method && pathname && routeId) {\n errorMessage = `You made a ${method} request to \"${pathname}\" but did not provide a \\`loader\\` for route \"${routeId}\", so there is no way to handle the request.`;\n } else if (type === \"invalid-body\") {\n errorMessage = \"Unable to encode submission body\";\n }\n } else if (status === 403) {\n statusText = \"Forbidden\";\n errorMessage = `Route \"${routeId}\" does not match URL \"${pathname}\"`;\n } else if (status === 404) {\n statusText = \"Not Found\";\n errorMessage = `No route matches URL \"${pathname}\"`;\n } else if (status === 405) {\n statusText = \"Method Not Allowed\";\n if (method && pathname && routeId) {\n errorMessage = `You made a ${method.toUpperCase()} request to \"${pathname}\" but did not provide an \\`action\\` for route \"${routeId}\", so there is no way to handle the request.`;\n } else if (method) {\n errorMessage = `Invalid request method \"${method.toUpperCase()}\"`;\n }\n }\n return new ErrorResponseImpl(\n status || 500,\n statusText,\n new Error(errorMessage),\n true\n );\n}\nfunction findRedirect(results) {\n let entries = Object.entries(results);\n for (let i = entries.length - 1; i >= 0; i--) {\n let [key, result] = entries[i];\n if (isRedirectResult(result)) {\n return { key, result };\n }\n }\n}\nfunction stripHashFromPath(path) {\n let parsedPath = typeof path === \"string\" ? parsePath(path) : path;\n return createPath({ ...parsedPath, hash: \"\" });\n}\nfunction isHashChangeOnly(a, b) {\n if (a.pathname !== b.pathname || a.search !== b.search) {\n return false;\n }\n if (a.hash === \"\") {\n return b.hash !== \"\";\n } else if (a.hash === b.hash) {\n return true;\n } else if (b.hash !== \"\") {\n return true;\n }\n return false;\n}\nfunction isDataStrategyResult(result) {\n return result != null && typeof result === \"object\" && \"type\" in result && \"result\" in result && (result.type === \"data\" /* data */ || result.type === \"error\" /* error */);\n}\nfunction isRedirectDataStrategyResult(result) {\n return isResponse(result.result) && redirectStatusCodes.has(result.result.status);\n}\nfunction isErrorResult(result) {\n return result.type === \"error\" /* error */;\n}\nfunction isRedirectResult(result) {\n return (result && result.type) === \"redirect\" /* redirect */;\n}\nfunction isDataWithResponseInit(value) {\n return typeof value === \"object\" && value != null && \"type\" in value && \"data\" in value && \"init\" in value && value.type === \"DataWithResponseInit\";\n}\nfunction isResponse(value) {\n return value != null && typeof value.status === \"number\" && typeof value.statusText === \"string\" && typeof value.headers === \"object\" && typeof value.body !== \"undefined\";\n}\nfunction isRedirectStatusCode(statusCode) {\n return redirectStatusCodes.has(statusCode);\n}\nfunction isRedirectResponse(result) {\n return isResponse(result) && isRedirectStatusCode(result.status) && result.headers.has(\"Location\");\n}\nfunction isValidMethod(method) {\n return validRequestMethods.has(method.toUpperCase());\n}\nfunction isMutationMethod(method) {\n return validMutationMethods.has(method.toUpperCase());\n}\nfunction hasNakedIndexQuery(search) {\n return new URLSearchParams(search).getAll(\"index\").some((v) => v === \"\");\n}\nfunction getTargetMatch(matches, location) {\n let search = typeof location === \"string\" ? parsePath(location).search : location.search;\n if (matches[matches.length - 1].route.index && hasNakedIndexQuery(search || \"\")) {\n return matches[matches.length - 1];\n }\n let pathMatches = getPathContributingMatches(matches);\n return pathMatches[pathMatches.length - 1];\n}\nfunction getSubmissionFromNavigation(navigation) {\n let { formMethod, formAction, formEncType, text, formData, json } = navigation;\n if (!formMethod || !formAction || !formEncType) {\n return;\n }\n if (text != null) {\n return {\n formMethod,\n formAction,\n formEncType,\n formData: void 0,\n json: void 0,\n text\n };\n } else if (formData != null) {\n return {\n formMethod,\n formAction,\n formEncType,\n formData,\n json: void 0,\n text: void 0\n };\n } else if (json !== void 0) {\n return {\n formMethod,\n formAction,\n formEncType,\n formData: void 0,\n json,\n text: void 0\n };\n }\n}\nfunction getLoadingNavigation(location, submission) {\n if (submission) {\n let navigation = {\n state: \"loading\",\n location,\n formMethod: submission.formMethod,\n formAction: submission.formAction,\n formEncType: submission.formEncType,\n formData: submission.formData,\n json: submission.json,\n text: submission.text\n };\n return navigation;\n } else {\n let navigation = {\n state: \"loading\",\n location,\n formMethod: void 0,\n formAction: void 0,\n formEncType: void 0,\n formData: void 0,\n json: void 0,\n text: void 0\n };\n return navigation;\n }\n}\nfunction getSubmittingNavigation(location, submission) {\n let navigation = {\n state: \"submitting\",\n location,\n formMethod: submission.formMethod,\n formAction: submission.formAction,\n formEncType: submission.formEncType,\n formData: submission.formData,\n json: submission.json,\n text: submission.text\n };\n return navigation;\n}\nfunction getLoadingFetcher(submission, data2) {\n if (submission) {\n let fetcher = {\n state: \"loading\",\n formMethod: submission.formMethod,\n formAction: submission.formAction,\n formEncType: submission.formEncType,\n formData: submission.formData,\n json: submission.json,\n text: submission.text,\n data: data2\n };\n return fetcher;\n } else {\n let fetcher = {\n state: \"loading\",\n formMethod: void 0,\n formAction: void 0,\n formEncType: void 0,\n formData: void 0,\n json: void 0,\n text: void 0,\n data: data2\n };\n return fetcher;\n }\n}\nfunction getSubmittingFetcher(submission, existingFetcher) {\n let fetcher = {\n state: \"submitting\",\n formMethod: submission.formMethod,\n formAction: submission.formAction,\n formEncType: submission.formEncType,\n formData: submission.formData,\n json: submission.json,\n text: submission.text,\n data: existingFetcher ? existingFetcher.data : void 0\n };\n return fetcher;\n}\nfunction getDoneFetcher(data2) {\n let fetcher = {\n state: \"idle\",\n formMethod: void 0,\n formAction: void 0,\n formEncType: void 0,\n formData: void 0,\n json: void 0,\n text: void 0,\n data: data2\n };\n return fetcher;\n}\nfunction restoreAppliedTransitions(_window, transitions) {\n try {\n let sessionPositions = _window.sessionStorage.getItem(\n TRANSITIONS_STORAGE_KEY\n );\n if (sessionPositions) {\n let json = JSON.parse(sessionPositions);\n for (let [k, v] of Object.entries(json || {})) {\n if (v && Array.isArray(v)) {\n transitions.set(k, new Set(v || []));\n }\n }\n }\n } catch (e) {\n }\n}\nfunction persistAppliedTransitions(_window, transitions) {\n if (transitions.size > 0) {\n let json = {};\n for (let [k, v] of transitions) {\n json[k] = [...v];\n }\n try {\n _window.sessionStorage.setItem(\n TRANSITIONS_STORAGE_KEY,\n JSON.stringify(json)\n );\n } catch (error) {\n warning(\n false,\n `Failed to save applied view transitions in sessionStorage (${error}).`\n );\n }\n }\n}\nfunction createDeferred() {\n let resolve;\n let reject;\n let promise = new Promise((res, rej) => {\n resolve = async (val) => {\n res(val);\n try {\n await promise;\n } catch (e) {\n }\n };\n reject = async (error) => {\n rej(error);\n try {\n await promise;\n } catch (e) {\n }\n };\n });\n return {\n promise,\n //@ts-ignore\n resolve,\n //@ts-ignore\n reject\n };\n}\n\n// lib/components.tsx\nimport * as React3 from \"react\";\n\n// lib/context.ts\nimport * as React from \"react\";\nvar DataRouterContext = React.createContext(null);\nDataRouterContext.displayName = \"DataRouter\";\nvar DataRouterStateContext = React.createContext(null);\nDataRouterStateContext.displayName = \"DataRouterState\";\nvar ViewTransitionContext = React.createContext({\n isTransitioning: false\n});\nViewTransitionContext.displayName = \"ViewTransition\";\nvar FetchersContext = React.createContext(\n /* @__PURE__ */ new Map()\n);\nFetchersContext.displayName = \"Fetchers\";\nvar AwaitContext = React.createContext(null);\nAwaitContext.displayName = \"Await\";\nvar NavigationContext = React.createContext(\n null\n);\nNavigationContext.displayName = \"Navigation\";\nvar LocationContext = React.createContext(\n null\n);\nLocationContext.displayName = \"Location\";\nvar RouteContext = React.createContext({\n outlet: null,\n matches: [],\n isDataRoute: false\n});\nRouteContext.displayName = \"Route\";\nvar RouteErrorContext = React.createContext(null);\nRouteErrorContext.displayName = \"RouteError\";\n\n// lib/hooks.tsx\nimport * as React2 from \"react\";\nvar ENABLE_DEV_WARNINGS = true;\nfunction useHref(to, { relative } = {}) {\n invariant(\n useInRouterContext(),\n // TODO: This error is probably because they somehow have 2 versions of the\n // router loaded. We can help them understand how to avoid that.\n `useHref() may be used only in the context of a component.`\n );\n let { basename, navigator: navigator2 } = React2.useContext(NavigationContext);\n let { hash, pathname, search } = useResolvedPath(to, { relative });\n let joinedPathname = pathname;\n if (basename !== \"/\") {\n joinedPathname = pathname === \"/\" ? basename : joinPaths([basename, pathname]);\n }\n return navigator2.createHref({ pathname: joinedPathname, search, hash });\n}\nfunction useInRouterContext() {\n return React2.useContext(LocationContext) != null;\n}\nfunction useLocation() {\n invariant(\n useInRouterContext(),\n // TODO: This error is probably because they somehow have 2 versions of the\n // router loaded. We can help them understand how to avoid that.\n `useLocation() may be used only in the context of a component.`\n );\n return React2.useContext(LocationContext).location;\n}\nfunction useNavigationType() {\n return React2.useContext(LocationContext).navigationType;\n}\nfunction useMatch(pattern) {\n invariant(\n useInRouterContext(),\n // TODO: This error is probably because they somehow have 2 versions of the\n // router loaded. We can help them understand how to avoid that.\n `useMatch() may be used only in the context of a component.`\n );\n let { pathname } = useLocation();\n return React2.useMemo(\n () => matchPath(pattern, decodePath(pathname)),\n [pathname, pattern]\n );\n}\nvar navigateEffectWarning = `You should call navigate() in a React.useEffect(), not when your component is first rendered.`;\nfunction useIsomorphicLayoutEffect(cb) {\n let isStatic = React2.useContext(NavigationContext).static;\n if (!isStatic) {\n React2.useLayoutEffect(cb);\n }\n}\nfunction useNavigate() {\n let { isDataRoute } = React2.useContext(RouteContext);\n return isDataRoute ? useNavigateStable() : useNavigateUnstable();\n}\nfunction useNavigateUnstable() {\n invariant(\n useInRouterContext(),\n // TODO: This error is probably because they somehow have 2 versions of the\n // router loaded. We can help them understand how to avoid that.\n `useNavigate() may be used only in the context of a component.`\n );\n let dataRouterContext = React2.useContext(DataRouterContext);\n let { basename, navigator: navigator2 } = React2.useContext(NavigationContext);\n let { matches } = React2.useContext(RouteContext);\n let { pathname: locationPathname } = useLocation();\n let routePathnamesJson = JSON.stringify(getResolveToMatches(matches));\n let activeRef = React2.useRef(false);\n useIsomorphicLayoutEffect(() => {\n activeRef.current = true;\n });\n let navigate = React2.useCallback(\n (to, options = {}) => {\n warning(activeRef.current, navigateEffectWarning);\n if (!activeRef.current) return;\n if (typeof to === \"number\") {\n navigator2.go(to);\n return;\n }\n let path = resolveTo(\n to,\n JSON.parse(routePathnamesJson),\n locationPathname,\n options.relative === \"path\"\n );\n if (dataRouterContext == null && basename !== \"/\") {\n path.pathname = path.pathname === \"/\" ? basename : joinPaths([basename, path.pathname]);\n }\n (!!options.replace ? navigator2.replace : navigator2.push)(\n path,\n options.state,\n options\n );\n },\n [\n basename,\n navigator2,\n routePathnamesJson,\n locationPathname,\n dataRouterContext\n ]\n );\n return navigate;\n}\nvar OutletContext = React2.createContext(null);\nfunction useOutletContext() {\n return React2.useContext(OutletContext);\n}\nfunction useOutlet(context) {\n let outlet = React2.useContext(RouteContext).outlet;\n if (outlet) {\n return /* @__PURE__ */ React2.createElement(OutletContext.Provider, { value: context }, outlet);\n }\n return outlet;\n}\nfunction useParams() {\n let { matches } = React2.useContext(RouteContext);\n let routeMatch = matches[matches.length - 1];\n return routeMatch ? routeMatch.params : {};\n}\nfunction useResolvedPath(to, { relative } = {}) {\n let { matches } = React2.useContext(RouteContext);\n let { pathname: locationPathname } = useLocation();\n let routePathnamesJson = JSON.stringify(getResolveToMatches(matches));\n return React2.useMemo(\n () => resolveTo(\n to,\n JSON.parse(routePathnamesJson),\n locationPathname,\n relative === \"path\"\n ),\n [to, routePathnamesJson, locationPathname, relative]\n );\n}\nfunction useRoutes(routes, locationArg) {\n return useRoutesImpl(routes, locationArg);\n}\nfunction useRoutesImpl(routes, locationArg, dataRouterState, future) {\n invariant(\n useInRouterContext(),\n // TODO: This error is probably because they somehow have 2 versions of the\n // router loaded. We can help them understand how to avoid that.\n `useRoutes() may be used only in the context of a component.`\n );\n let { navigator: navigator2 } = React2.useContext(NavigationContext);\n let { matches: parentMatches } = React2.useContext(RouteContext);\n let routeMatch = parentMatches[parentMatches.length - 1];\n let parentParams = routeMatch ? routeMatch.params : {};\n let parentPathname = routeMatch ? routeMatch.pathname : \"/\";\n let parentPathnameBase = routeMatch ? routeMatch.pathnameBase : \"/\";\n let parentRoute = routeMatch && routeMatch.route;\n if (ENABLE_DEV_WARNINGS) {\n let parentPath = parentRoute && parentRoute.path || \"\";\n warningOnce(\n parentPathname,\n !parentRoute || parentPath.endsWith(\"*\") || parentPath.endsWith(\"*?\"),\n `You rendered descendant (or called \\`useRoutes()\\`) at \"${parentPathname}\" (under ) but the parent route path has no trailing \"*\". This means if you navigate deeper, the parent won't match anymore and therefore the child routes will never render.\n\nPlease change the parent to .`\n );\n }\n let locationFromContext = useLocation();\n let location;\n if (locationArg) {\n let parsedLocationArg = typeof locationArg === \"string\" ? parsePath(locationArg) : locationArg;\n invariant(\n parentPathnameBase === \"/\" || parsedLocationArg.pathname?.startsWith(parentPathnameBase),\n `When overriding the location using \\`\\` or \\`useRoutes(routes, location)\\`, the location pathname must begin with the portion of the URL pathname that was matched by all parent routes. The current pathname base is \"${parentPathnameBase}\" but pathname \"${parsedLocationArg.pathname}\" was given in the \\`location\\` prop.`\n );\n location = parsedLocationArg;\n } else {\n location = locationFromContext;\n }\n let pathname = location.pathname || \"/\";\n let remainingPathname = pathname;\n if (parentPathnameBase !== \"/\") {\n let parentSegments = parentPathnameBase.replace(/^\\//, \"\").split(\"/\");\n let segments = pathname.replace(/^\\//, \"\").split(\"/\");\n remainingPathname = \"/\" + segments.slice(parentSegments.length).join(\"/\");\n }\n let matches = matchRoutes(routes, { pathname: remainingPathname });\n if (ENABLE_DEV_WARNINGS) {\n warning(\n parentRoute || matches != null,\n `No routes matched location \"${location.pathname}${location.search}${location.hash}\" `\n );\n warning(\n matches == null || matches[matches.length - 1].route.element !== void 0 || matches[matches.length - 1].route.Component !== void 0 || matches[matches.length - 1].route.lazy !== void 0,\n `Matched leaf route at location \"${location.pathname}${location.search}${location.hash}\" does not have an element or Component. This means it will render an with a null value by default resulting in an \"empty\" page.`\n );\n }\n let renderedMatches = _renderMatches(\n matches && matches.map(\n (match) => Object.assign({}, match, {\n params: Object.assign({}, parentParams, match.params),\n pathname: joinPaths([\n parentPathnameBase,\n // Re-encode pathnames that were decoded inside matchRoutes\n navigator2.encodeLocation ? navigator2.encodeLocation(match.pathname).pathname : match.pathname\n ]),\n pathnameBase: match.pathnameBase === \"/\" ? parentPathnameBase : joinPaths([\n parentPathnameBase,\n // Re-encode pathnames that were decoded inside matchRoutes\n navigator2.encodeLocation ? navigator2.encodeLocation(match.pathnameBase).pathname : match.pathnameBase\n ])\n })\n ),\n parentMatches,\n dataRouterState,\n future\n );\n if (locationArg && renderedMatches) {\n return /* @__PURE__ */ React2.createElement(\n LocationContext.Provider,\n {\n value: {\n location: {\n pathname: \"/\",\n search: \"\",\n hash: \"\",\n state: null,\n key: \"default\",\n ...location\n },\n navigationType: \"POP\" /* Pop */\n }\n },\n renderedMatches\n );\n }\n return renderedMatches;\n}\nfunction DefaultErrorComponent() {\n let error = useRouteError();\n let message = isRouteErrorResponse(error) ? `${error.status} ${error.statusText}` : error instanceof Error ? error.message : JSON.stringify(error);\n let stack = error instanceof Error ? error.stack : null;\n let lightgrey = \"rgba(200,200,200, 0.5)\";\n let preStyles = { padding: \"0.5rem\", backgroundColor: lightgrey };\n let codeStyles = { padding: \"2px 4px\", backgroundColor: lightgrey };\n let devInfo = null;\n if (ENABLE_DEV_WARNINGS) {\n console.error(\n \"Error handled by React Router default ErrorBoundary:\",\n error\n );\n devInfo = /* @__PURE__ */ React2.createElement(React2.Fragment, null, /* @__PURE__ */ React2.createElement(\"p\", null, \"\\u{1F4BF} Hey developer \\u{1F44B}\"), /* @__PURE__ */ React2.createElement(\"p\", null, \"You can provide a way better UX than this when your app throws errors by providing your own \", /* @__PURE__ */ React2.createElement(\"code\", { style: codeStyles }, \"ErrorBoundary\"), \" or\", \" \", /* @__PURE__ */ React2.createElement(\"code\", { style: codeStyles }, \"errorElement\"), \" prop on your route.\"));\n }\n return /* @__PURE__ */ React2.createElement(React2.Fragment, null, /* @__PURE__ */ React2.createElement(\"h2\", null, \"Unexpected Application Error!\"), /* @__PURE__ */ React2.createElement(\"h3\", { style: { fontStyle: \"italic\" } }, message), stack ? /* @__PURE__ */ React2.createElement(\"pre\", { style: preStyles }, stack) : null, devInfo);\n}\nvar defaultErrorElement = /* @__PURE__ */ React2.createElement(DefaultErrorComponent, null);\nvar RenderErrorBoundary = class extends React2.Component {\n constructor(props) {\n super(props);\n this.state = {\n location: props.location,\n revalidation: props.revalidation,\n error: props.error\n };\n }\n static getDerivedStateFromError(error) {\n return { error };\n }\n static getDerivedStateFromProps(props, state) {\n if (state.location !== props.location || state.revalidation !== \"idle\" && props.revalidation === \"idle\") {\n return {\n error: props.error,\n location: props.location,\n revalidation: props.revalidation\n };\n }\n return {\n error: props.error !== void 0 ? props.error : state.error,\n location: state.location,\n revalidation: props.revalidation || state.revalidation\n };\n }\n componentDidCatch(error, errorInfo) {\n console.error(\n \"React Router caught the following error during render\",\n error,\n errorInfo\n );\n }\n render() {\n return this.state.error !== void 0 ? /* @__PURE__ */ React2.createElement(RouteContext.Provider, { value: this.props.routeContext }, /* @__PURE__ */ React2.createElement(\n RouteErrorContext.Provider,\n {\n value: this.state.error,\n children: this.props.component\n }\n )) : this.props.children;\n }\n};\nfunction RenderedRoute({ routeContext, match, children }) {\n let dataRouterContext = React2.useContext(DataRouterContext);\n if (dataRouterContext && dataRouterContext.static && dataRouterContext.staticContext && (match.route.errorElement || match.route.ErrorBoundary)) {\n dataRouterContext.staticContext._deepestRenderedBoundaryId = match.route.id;\n }\n return /* @__PURE__ */ React2.createElement(RouteContext.Provider, { value: routeContext }, children);\n}\nfunction _renderMatches(matches, parentMatches = [], dataRouterState = null, future = null) {\n if (matches == null) {\n if (!dataRouterState) {\n return null;\n }\n if (dataRouterState.errors) {\n matches = dataRouterState.matches;\n } else if (parentMatches.length === 0 && !dataRouterState.initialized && dataRouterState.matches.length > 0) {\n matches = dataRouterState.matches;\n } else {\n return null;\n }\n }\n let renderedMatches = matches;\n let errors = dataRouterState?.errors;\n if (errors != null) {\n let errorIndex = renderedMatches.findIndex(\n (m) => m.route.id && errors?.[m.route.id] !== void 0\n );\n invariant(\n errorIndex >= 0,\n `Could not find a matching route for errors on route IDs: ${Object.keys(\n errors\n ).join(\",\")}`\n );\n renderedMatches = renderedMatches.slice(\n 0,\n Math.min(renderedMatches.length, errorIndex + 1)\n );\n }\n let renderFallback = false;\n let fallbackIndex = -1;\n if (dataRouterState) {\n for (let i = 0; i < renderedMatches.length; i++) {\n let match = renderedMatches[i];\n if (match.route.HydrateFallback || match.route.hydrateFallbackElement) {\n fallbackIndex = i;\n }\n if (match.route.id) {\n let { loaderData, errors: errors2 } = dataRouterState;\n let needsToRunLoader = match.route.loader && !loaderData.hasOwnProperty(match.route.id) && (!errors2 || errors2[match.route.id] === void 0);\n if (match.route.lazy || needsToRunLoader) {\n renderFallback = true;\n if (fallbackIndex >= 0) {\n renderedMatches = renderedMatches.slice(0, fallbackIndex + 1);\n } else {\n renderedMatches = [renderedMatches[0]];\n }\n break;\n }\n }\n }\n }\n return renderedMatches.reduceRight((outlet, match, index) => {\n let error;\n let shouldRenderHydrateFallback = false;\n let errorElement = null;\n let hydrateFallbackElement = null;\n if (dataRouterState) {\n error = errors && match.route.id ? errors[match.route.id] : void 0;\n errorElement = match.route.errorElement || defaultErrorElement;\n if (renderFallback) {\n if (fallbackIndex < 0 && index === 0) {\n warningOnce(\n \"route-fallback\",\n false,\n \"No `HydrateFallback` element provided to render during initial hydration\"\n );\n shouldRenderHydrateFallback = true;\n hydrateFallbackElement = null;\n } else if (fallbackIndex === index) {\n shouldRenderHydrateFallback = true;\n hydrateFallbackElement = match.route.hydrateFallbackElement || null;\n }\n }\n }\n let matches2 = parentMatches.concat(renderedMatches.slice(0, index + 1));\n let getChildren = () => {\n let children;\n if (error) {\n children = errorElement;\n } else if (shouldRenderHydrateFallback) {\n children = hydrateFallbackElement;\n } else if (match.route.Component) {\n children = /* @__PURE__ */ React2.createElement(match.route.Component, null);\n } else if (match.route.element) {\n children = match.route.element;\n } else {\n children = outlet;\n }\n return /* @__PURE__ */ React2.createElement(\n RenderedRoute,\n {\n match,\n routeContext: {\n outlet,\n matches: matches2,\n isDataRoute: dataRouterState != null\n },\n children\n }\n );\n };\n return dataRouterState && (match.route.ErrorBoundary || match.route.errorElement || index === 0) ? /* @__PURE__ */ React2.createElement(\n RenderErrorBoundary,\n {\n location: dataRouterState.location,\n revalidation: dataRouterState.revalidation,\n component: errorElement,\n error,\n children: getChildren(),\n routeContext: { outlet: null, matches: matches2, isDataRoute: true }\n }\n ) : getChildren();\n }, null);\n}\nfunction getDataRouterConsoleError(hookName) {\n return `${hookName} must be used within a data router. See https://reactrouter.com/en/main/routers/picking-a-router.`;\n}\nfunction useDataRouterContext(hookName) {\n let ctx = React2.useContext(DataRouterContext);\n invariant(ctx, getDataRouterConsoleError(hookName));\n return ctx;\n}\nfunction useDataRouterState(hookName) {\n let state = React2.useContext(DataRouterStateContext);\n invariant(state, getDataRouterConsoleError(hookName));\n return state;\n}\nfunction useRouteContext(hookName) {\n let route = React2.useContext(RouteContext);\n invariant(route, getDataRouterConsoleError(hookName));\n return route;\n}\nfunction useCurrentRouteId(hookName) {\n let route = useRouteContext(hookName);\n let thisRoute = route.matches[route.matches.length - 1];\n invariant(\n thisRoute.route.id,\n `${hookName} can only be used on routes that contain a unique \"id\"`\n );\n return thisRoute.route.id;\n}\nfunction useRouteId() {\n return useCurrentRouteId(\"useRouteId\" /* UseRouteId */);\n}\nfunction useNavigation() {\n let state = useDataRouterState(\"useNavigation\" /* UseNavigation */);\n return state.navigation;\n}\nfunction useRevalidator() {\n let dataRouterContext = useDataRouterContext(\"useRevalidator\" /* UseRevalidator */);\n let state = useDataRouterState(\"useRevalidator\" /* UseRevalidator */);\n return React2.useMemo(\n () => ({\n async revalidate() {\n await dataRouterContext.router.revalidate();\n },\n state: state.revalidation\n }),\n [dataRouterContext.router, state.revalidation]\n );\n}\nfunction useMatches() {\n let { matches, loaderData } = useDataRouterState(\n \"useMatches\" /* UseMatches */\n );\n return React2.useMemo(\n () => matches.map((m) => convertRouteMatchToUiMatch(m, loaderData)),\n [matches, loaderData]\n );\n}\nfunction useLoaderData() {\n let state = useDataRouterState(\"useLoaderData\" /* UseLoaderData */);\n let routeId = useCurrentRouteId(\"useLoaderData\" /* UseLoaderData */);\n return state.loaderData[routeId];\n}\nfunction useRouteLoaderData(routeId) {\n let state = useDataRouterState(\"useRouteLoaderData\" /* UseRouteLoaderData */);\n return state.loaderData[routeId];\n}\nfunction useActionData() {\n let state = useDataRouterState(\"useActionData\" /* UseActionData */);\n let routeId = useCurrentRouteId(\"useLoaderData\" /* UseLoaderData */);\n return state.actionData ? state.actionData[routeId] : void 0;\n}\nfunction useRouteError() {\n let error = React2.useContext(RouteErrorContext);\n let state = useDataRouterState(\"useRouteError\" /* UseRouteError */);\n let routeId = useCurrentRouteId(\"useRouteError\" /* UseRouteError */);\n if (error !== void 0) {\n return error;\n }\n return state.errors?.[routeId];\n}\nfunction useAsyncValue() {\n let value = React2.useContext(AwaitContext);\n return value?._data;\n}\nfunction useAsyncError() {\n let value = React2.useContext(AwaitContext);\n return value?._error;\n}\nvar blockerId = 0;\nfunction useBlocker(shouldBlock) {\n let { router, basename } = useDataRouterContext(\"useBlocker\" /* UseBlocker */);\n let state = useDataRouterState(\"useBlocker\" /* UseBlocker */);\n let [blockerKey, setBlockerKey] = React2.useState(\"\");\n let blockerFunction = React2.useCallback(\n (arg) => {\n if (typeof shouldBlock !== \"function\") {\n return !!shouldBlock;\n }\n if (basename === \"/\") {\n return shouldBlock(arg);\n }\n let { currentLocation, nextLocation, historyAction } = arg;\n return shouldBlock({\n currentLocation: {\n ...currentLocation,\n pathname: stripBasename(currentLocation.pathname, basename) || currentLocation.pathname\n },\n nextLocation: {\n ...nextLocation,\n pathname: stripBasename(nextLocation.pathname, basename) || nextLocation.pathname\n },\n historyAction\n });\n },\n [basename, shouldBlock]\n );\n React2.useEffect(() => {\n let key = String(++blockerId);\n setBlockerKey(key);\n return () => router.deleteBlocker(key);\n }, [router]);\n React2.useEffect(() => {\n if (blockerKey !== \"\") {\n router.getBlocker(blockerKey, blockerFunction);\n }\n }, [router, blockerKey, blockerFunction]);\n return blockerKey && state.blockers.has(blockerKey) ? state.blockers.get(blockerKey) : IDLE_BLOCKER;\n}\nfunction useNavigateStable() {\n let { router } = useDataRouterContext(\"useNavigate\" /* UseNavigateStable */);\n let id = useCurrentRouteId(\"useNavigate\" /* UseNavigateStable */);\n let activeRef = React2.useRef(false);\n useIsomorphicLayoutEffect(() => {\n activeRef.current = true;\n });\n let navigate = React2.useCallback(\n async (to, options = {}) => {\n warning(activeRef.current, navigateEffectWarning);\n if (!activeRef.current) return;\n if (typeof to === \"number\") {\n router.navigate(to);\n } else {\n await router.navigate(to, { fromRouteId: id, ...options });\n }\n },\n [router, id]\n );\n return navigate;\n}\nvar alreadyWarned = {};\nfunction warningOnce(key, cond, message) {\n if (!cond && !alreadyWarned[key]) {\n alreadyWarned[key] = true;\n warning(false, message);\n }\n}\n\n// lib/server-runtime/warnings.ts\nvar alreadyWarned2 = {};\nfunction warnOnce(condition, message) {\n if (!condition && !alreadyWarned2[message]) {\n alreadyWarned2[message] = true;\n console.warn(message);\n }\n}\n\n// lib/components.tsx\nvar ENABLE_DEV_WARNINGS2 = true;\nfunction mapRouteProperties(route) {\n let updates = {\n // Note: this check also occurs in createRoutesFromChildren so update\n // there if you change this -- please and thank you!\n hasErrorBoundary: route.hasErrorBoundary || route.ErrorBoundary != null || route.errorElement != null\n };\n if (route.Component) {\n if (ENABLE_DEV_WARNINGS2) {\n if (route.element) {\n warning(\n false,\n \"You should not include both `Component` and `element` on your route - `Component` will be used.\"\n );\n }\n }\n Object.assign(updates, {\n element: React3.createElement(route.Component),\n Component: void 0\n });\n }\n if (route.HydrateFallback) {\n if (ENABLE_DEV_WARNINGS2) {\n if (route.hydrateFallbackElement) {\n warning(\n false,\n \"You should not include both `HydrateFallback` and `hydrateFallbackElement` on your route - `HydrateFallback` will be used.\"\n );\n }\n }\n Object.assign(updates, {\n hydrateFallbackElement: React3.createElement(route.HydrateFallback),\n HydrateFallback: void 0\n });\n }\n if (route.ErrorBoundary) {\n if (ENABLE_DEV_WARNINGS2) {\n if (route.errorElement) {\n warning(\n false,\n \"You should not include both `ErrorBoundary` and `errorElement` on your route - `ErrorBoundary` will be used.\"\n );\n }\n }\n Object.assign(updates, {\n errorElement: React3.createElement(route.ErrorBoundary),\n ErrorBoundary: void 0\n });\n }\n return updates;\n}\nfunction createMemoryRouter(routes, opts) {\n return createRouter({\n basename: opts?.basename,\n future: opts?.future,\n history: createMemoryHistory({\n initialEntries: opts?.initialEntries,\n initialIndex: opts?.initialIndex\n }),\n hydrationData: opts?.hydrationData,\n routes,\n mapRouteProperties,\n dataStrategy: opts?.dataStrategy,\n patchRoutesOnNavigation: opts?.patchRoutesOnNavigation\n }).initialize();\n}\nvar Deferred = class {\n constructor() {\n this.status = \"pending\";\n this.promise = new Promise((resolve, reject) => {\n this.resolve = (value) => {\n if (this.status === \"pending\") {\n this.status = \"resolved\";\n resolve(value);\n }\n };\n this.reject = (reason) => {\n if (this.status === \"pending\") {\n this.status = \"rejected\";\n reject(reason);\n }\n };\n });\n }\n};\nfunction RouterProvider({\n router,\n flushSync: reactDomFlushSyncImpl\n}) {\n let [state, setStateImpl] = React3.useState(router.state);\n let [pendingState, setPendingState] = React3.useState();\n let [vtContext, setVtContext] = React3.useState({\n isTransitioning: false\n });\n let [renderDfd, setRenderDfd] = React3.useState();\n let [transition, setTransition] = React3.useState();\n let [interruption, setInterruption] = React3.useState();\n let fetcherData = React3.useRef(/* @__PURE__ */ new Map());\n let setState = React3.useCallback(\n (newState, { deletedFetchers, flushSync, viewTransitionOpts }) => {\n deletedFetchers.forEach((key) => fetcherData.current.delete(key));\n newState.fetchers.forEach((fetcher, key) => {\n if (fetcher.data !== void 0) {\n fetcherData.current.set(key, fetcher.data);\n }\n });\n warnOnce(\n flushSync === false || reactDomFlushSyncImpl != null,\n 'You provided the `flushSync` option to a router update, but you are not using the `` from `react-router/dom` so `ReactDOM.flushSync()` is unavailable. Please update your app to `import { RouterProvider } from \"react-router/dom\"` and ensure you have `react-dom` installed as a dependency to use the `flushSync` option.'\n );\n let isViewTransitionAvailable = router.window != null && router.window.document != null && typeof router.window.document.startViewTransition === \"function\";\n warnOnce(\n viewTransitionOpts == null || isViewTransitionAvailable,\n \"You provided the `viewTransition` option to a router update, but you do not appear to be running in a DOM environment as `window.startViewTransition` is not available.\"\n );\n if (!viewTransitionOpts || !isViewTransitionAvailable) {\n if (reactDomFlushSyncImpl && flushSync) {\n reactDomFlushSyncImpl(() => setStateImpl(newState));\n } else {\n React3.startTransition(() => setStateImpl(newState));\n }\n return;\n }\n if (reactDomFlushSyncImpl && flushSync) {\n reactDomFlushSyncImpl(() => {\n if (transition) {\n renderDfd && renderDfd.resolve();\n transition.skipTransition();\n }\n setVtContext({\n isTransitioning: true,\n flushSync: true,\n currentLocation: viewTransitionOpts.currentLocation,\n nextLocation: viewTransitionOpts.nextLocation\n });\n });\n let t = router.window.document.startViewTransition(() => {\n reactDomFlushSyncImpl(() => setStateImpl(newState));\n });\n t.finished.finally(() => {\n reactDomFlushSyncImpl(() => {\n setRenderDfd(void 0);\n setTransition(void 0);\n setPendingState(void 0);\n setVtContext({ isTransitioning: false });\n });\n });\n reactDomFlushSyncImpl(() => setTransition(t));\n return;\n }\n if (transition) {\n renderDfd && renderDfd.resolve();\n transition.skipTransition();\n setInterruption({\n state: newState,\n currentLocation: viewTransitionOpts.currentLocation,\n nextLocation: viewTransitionOpts.nextLocation\n });\n } else {\n setPendingState(newState);\n setVtContext({\n isTransitioning: true,\n flushSync: false,\n currentLocation: viewTransitionOpts.currentLocation,\n nextLocation: viewTransitionOpts.nextLocation\n });\n }\n },\n [router.window, reactDomFlushSyncImpl, transition, renderDfd]\n );\n React3.useLayoutEffect(() => router.subscribe(setState), [router, setState]);\n React3.useEffect(() => {\n if (vtContext.isTransitioning && !vtContext.flushSync) {\n setRenderDfd(new Deferred());\n }\n }, [vtContext]);\n React3.useEffect(() => {\n if (renderDfd && pendingState && router.window) {\n let newState = pendingState;\n let renderPromise = renderDfd.promise;\n let transition2 = router.window.document.startViewTransition(async () => {\n React3.startTransition(() => setStateImpl(newState));\n await renderPromise;\n });\n transition2.finished.finally(() => {\n setRenderDfd(void 0);\n setTransition(void 0);\n setPendingState(void 0);\n setVtContext({ isTransitioning: false });\n });\n setTransition(transition2);\n }\n }, [pendingState, renderDfd, router.window]);\n React3.useEffect(() => {\n if (renderDfd && pendingState && state.location.key === pendingState.location.key) {\n renderDfd.resolve();\n }\n }, [renderDfd, transition, state.location, pendingState]);\n React3.useEffect(() => {\n if (!vtContext.isTransitioning && interruption) {\n setPendingState(interruption.state);\n setVtContext({\n isTransitioning: true,\n flushSync: false,\n currentLocation: interruption.currentLocation,\n nextLocation: interruption.nextLocation\n });\n setInterruption(void 0);\n }\n }, [vtContext.isTransitioning, interruption]);\n let navigator2 = React3.useMemo(() => {\n return {\n createHref: router.createHref,\n encodeLocation: router.encodeLocation,\n go: (n) => router.navigate(n),\n push: (to, state2, opts) => router.navigate(to, {\n state: state2,\n preventScrollReset: opts?.preventScrollReset\n }),\n replace: (to, state2, opts) => router.navigate(to, {\n replace: true,\n state: state2,\n preventScrollReset: opts?.preventScrollReset\n })\n };\n }, [router]);\n let basename = router.basename || \"/\";\n let dataRouterContext = React3.useMemo(\n () => ({\n router,\n navigator: navigator2,\n static: false,\n basename\n }),\n [router, navigator2, basename]\n );\n return /* @__PURE__ */ React3.createElement(React3.Fragment, null, /* @__PURE__ */ React3.createElement(DataRouterContext.Provider, { value: dataRouterContext }, /* @__PURE__ */ React3.createElement(DataRouterStateContext.Provider, { value: state }, /* @__PURE__ */ React3.createElement(FetchersContext.Provider, { value: fetcherData.current }, /* @__PURE__ */ React3.createElement(ViewTransitionContext.Provider, { value: vtContext }, /* @__PURE__ */ React3.createElement(\n Router,\n {\n basename,\n location: state.location,\n navigationType: state.historyAction,\n navigator: navigator2\n },\n /* @__PURE__ */ React3.createElement(\n MemoizedDataRoutes,\n {\n routes: router.routes,\n future: router.future,\n state\n }\n )\n ))))), null);\n}\nvar MemoizedDataRoutes = React3.memo(DataRoutes);\nfunction DataRoutes({\n routes,\n future,\n state\n}) {\n return useRoutesImpl(routes, void 0, state, future);\n}\nfunction MemoryRouter({\n basename,\n children,\n initialEntries,\n initialIndex\n}) {\n let historyRef = React3.useRef();\n if (historyRef.current == null) {\n historyRef.current = createMemoryHistory({\n initialEntries,\n initialIndex,\n v5Compat: true\n });\n }\n let history = historyRef.current;\n let [state, setStateImpl] = React3.useState({\n action: history.action,\n location: history.location\n });\n let setState = React3.useCallback(\n (newState) => {\n React3.startTransition(() => setStateImpl(newState));\n },\n [setStateImpl]\n );\n React3.useLayoutEffect(() => history.listen(setState), [history, setState]);\n return /* @__PURE__ */ React3.createElement(\n Router,\n {\n basename,\n children,\n location: state.location,\n navigationType: state.action,\n navigator: history\n }\n );\n}\nfunction Navigate({\n to,\n replace: replace2,\n state,\n relative\n}) {\n invariant(\n useInRouterContext(),\n // TODO: This error is probably because they somehow have 2 versions of\n // the router loaded. We can help them understand how to avoid that.\n ` may be used only in the context of a component.`\n );\n let { static: isStatic } = React3.useContext(NavigationContext);\n warning(\n !isStatic,\n ` must not be used on the initial render in a . This is a no-op, but you should modify your code so the is only ever rendered in response to some user interaction or state change.`\n );\n let { matches } = React3.useContext(RouteContext);\n let { pathname: locationPathname } = useLocation();\n let navigate = useNavigate();\n let path = resolveTo(\n to,\n getResolveToMatches(matches),\n locationPathname,\n relative === \"path\"\n );\n let jsonPath = JSON.stringify(path);\n React3.useEffect(() => {\n navigate(JSON.parse(jsonPath), { replace: replace2, state, relative });\n }, [navigate, jsonPath, relative, replace2, state]);\n return null;\n}\nfunction Outlet(props) {\n return useOutlet(props.context);\n}\nfunction Route(_props) {\n invariant(\n false,\n `A is only ever to be used as the child of element, never rendered directly. Please wrap your in a .`\n );\n}\nfunction Router({\n basename: basenameProp = \"/\",\n children = null,\n location: locationProp,\n navigationType = \"POP\" /* Pop */,\n navigator: navigator2,\n static: staticProp = false\n}) {\n invariant(\n !useInRouterContext(),\n `You cannot render a inside another . You should never have more than one in your app.`\n );\n let basename = basenameProp.replace(/^\\/*/, \"/\");\n let navigationContext = React3.useMemo(\n () => ({\n basename,\n navigator: navigator2,\n static: staticProp,\n future: {}\n }),\n [basename, navigator2, staticProp]\n );\n if (typeof locationProp === \"string\") {\n locationProp = parsePath(locationProp);\n }\n let {\n pathname = \"/\",\n search = \"\",\n hash = \"\",\n state = null,\n key = \"default\"\n } = locationProp;\n let locationContext = React3.useMemo(() => {\n let trailingPathname = stripBasename(pathname, basename);\n if (trailingPathname == null) {\n return null;\n }\n return {\n location: {\n pathname: trailingPathname,\n search,\n hash,\n state,\n key\n },\n navigationType\n };\n }, [basename, pathname, search, hash, state, key, navigationType]);\n warning(\n locationContext != null,\n ` is not able to match the URL \"${pathname}${search}${hash}\" because it does not start with the basename, so the won't render anything.`\n );\n if (locationContext == null) {\n return null;\n }\n return /* @__PURE__ */ React3.createElement(NavigationContext.Provider, { value: navigationContext }, /* @__PURE__ */ React3.createElement(LocationContext.Provider, { children, value: locationContext }));\n}\nfunction Routes({\n children,\n location\n}) {\n return useRoutes(createRoutesFromChildren(children), location);\n}\nfunction Await({\n children,\n errorElement,\n resolve\n}) {\n return /* @__PURE__ */ React3.createElement(AwaitErrorBoundary, { resolve, errorElement }, /* @__PURE__ */ React3.createElement(ResolveAwait, null, children));\n}\nvar AwaitErrorBoundary = class extends React3.Component {\n constructor(props) {\n super(props);\n this.state = { error: null };\n }\n static getDerivedStateFromError(error) {\n return { error };\n }\n componentDidCatch(error, errorInfo) {\n console.error(\n \" caught the following error during render\",\n error,\n errorInfo\n );\n }\n render() {\n let { children, errorElement, resolve } = this.props;\n let promise = null;\n let status = 0 /* pending */;\n if (!(resolve instanceof Promise)) {\n status = 1 /* success */;\n promise = Promise.resolve();\n Object.defineProperty(promise, \"_tracked\", { get: () => true });\n Object.defineProperty(promise, \"_data\", { get: () => resolve });\n } else if (this.state.error) {\n status = 2 /* error */;\n let renderError = this.state.error;\n promise = Promise.reject().catch(() => {\n });\n Object.defineProperty(promise, \"_tracked\", { get: () => true });\n Object.defineProperty(promise, \"_error\", { get: () => renderError });\n } else if (resolve._tracked) {\n promise = resolve;\n status = \"_error\" in promise ? 2 /* error */ : \"_data\" in promise ? 1 /* success */ : 0 /* pending */;\n } else {\n status = 0 /* pending */;\n Object.defineProperty(resolve, \"_tracked\", { get: () => true });\n promise = resolve.then(\n (data2) => Object.defineProperty(resolve, \"_data\", { get: () => data2 }),\n (error) => Object.defineProperty(resolve, \"_error\", { get: () => error })\n );\n }\n if (status === 2 /* error */ && !errorElement) {\n throw promise._error;\n }\n if (status === 2 /* error */) {\n return /* @__PURE__ */ React3.createElement(AwaitContext.Provider, { value: promise, children: errorElement });\n }\n if (status === 1 /* success */) {\n return /* @__PURE__ */ React3.createElement(AwaitContext.Provider, { value: promise, children });\n }\n throw promise;\n }\n};\nfunction ResolveAwait({\n children\n}) {\n let data2 = useAsyncValue();\n let toRender = typeof children === \"function\" ? children(data2) : children;\n return /* @__PURE__ */ React3.createElement(React3.Fragment, null, toRender);\n}\nfunction createRoutesFromChildren(children, parentPath = []) {\n let routes = [];\n React3.Children.forEach(children, (element, index) => {\n if (!React3.isValidElement(element)) {\n return;\n }\n let treePath = [...parentPath, index];\n if (element.type === React3.Fragment) {\n routes.push.apply(\n routes,\n createRoutesFromChildren(element.props.children, treePath)\n );\n return;\n }\n invariant(\n element.type === Route,\n `[${typeof element.type === \"string\" ? element.type : element.type.name}] is not a component. All component children of must be a or `\n );\n invariant(\n !element.props.index || !element.props.children,\n \"An index route cannot have child routes.\"\n );\n let route = {\n id: element.props.id || treePath.join(\"-\"),\n caseSensitive: element.props.caseSensitive,\n element: element.props.element,\n Component: element.props.Component,\n index: element.props.index,\n path: element.props.path,\n loader: element.props.loader,\n action: element.props.action,\n hydrateFallbackElement: element.props.hydrateFallbackElement,\n HydrateFallback: element.props.HydrateFallback,\n errorElement: element.props.errorElement,\n ErrorBoundary: element.props.ErrorBoundary,\n hasErrorBoundary: element.props.hasErrorBoundary === true || element.props.ErrorBoundary != null || element.props.errorElement != null,\n shouldRevalidate: element.props.shouldRevalidate,\n handle: element.props.handle,\n lazy: element.props.lazy\n };\n if (element.props.children) {\n route.children = createRoutesFromChildren(\n element.props.children,\n treePath\n );\n }\n routes.push(route);\n });\n return routes;\n}\nvar createRoutesFromElements = createRoutesFromChildren;\nfunction renderMatches(matches) {\n return _renderMatches(matches);\n}\n\n// lib/dom/lib.tsx\nimport * as React10 from \"react\";\n\n// lib/dom/dom.ts\nvar defaultMethod = \"get\";\nvar defaultEncType = \"application/x-www-form-urlencoded\";\nfunction isHtmlElement(object) {\n return object != null && typeof object.tagName === \"string\";\n}\nfunction isButtonElement(object) {\n return isHtmlElement(object) && object.tagName.toLowerCase() === \"button\";\n}\nfunction isFormElement(object) {\n return isHtmlElement(object) && object.tagName.toLowerCase() === \"form\";\n}\nfunction isInputElement(object) {\n return isHtmlElement(object) && object.tagName.toLowerCase() === \"input\";\n}\nfunction isModifiedEvent(event) {\n return !!(event.metaKey || event.altKey || event.ctrlKey || event.shiftKey);\n}\nfunction shouldProcessLinkClick(event, target) {\n return event.button === 0 && // Ignore everything but left clicks\n (!target || target === \"_self\") && // Let browser handle \"target=_blank\" etc.\n !isModifiedEvent(event);\n}\nfunction createSearchParams(init = \"\") {\n return new URLSearchParams(\n typeof init === \"string\" || Array.isArray(init) || init instanceof URLSearchParams ? init : Object.keys(init).reduce((memo2, key) => {\n let value = init[key];\n return memo2.concat(\n Array.isArray(value) ? value.map((v) => [key, v]) : [[key, value]]\n );\n }, [])\n );\n}\nfunction getSearchParamsForLocation(locationSearch, defaultSearchParams) {\n let searchParams = createSearchParams(locationSearch);\n if (defaultSearchParams) {\n defaultSearchParams.forEach((_, key) => {\n if (!searchParams.has(key)) {\n defaultSearchParams.getAll(key).forEach((value) => {\n searchParams.append(key, value);\n });\n }\n });\n }\n return searchParams;\n}\nvar _formDataSupportsSubmitter = null;\nfunction isFormDataSubmitterSupported() {\n if (_formDataSupportsSubmitter === null) {\n try {\n new FormData(\n document.createElement(\"form\"),\n // @ts-expect-error if FormData supports the submitter parameter, this will throw\n 0\n );\n _formDataSupportsSubmitter = false;\n } catch (e) {\n _formDataSupportsSubmitter = true;\n }\n }\n return _formDataSupportsSubmitter;\n}\nvar supportedFormEncTypes = /* @__PURE__ */ new Set([\n \"application/x-www-form-urlencoded\",\n \"multipart/form-data\",\n \"text/plain\"\n]);\nfunction getFormEncType(encType) {\n if (encType != null && !supportedFormEncTypes.has(encType)) {\n warning(\n false,\n `\"${encType}\" is not a valid \\`encType\\` for \\`