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/*!
 * Chart.js v3.9.1
 * https://www.chartjs.org
 * (c) 2022 Chart.js Contributors
 * Released under the MIT License
 */
import { r as requestAnimFrame, a as resolve, e as effects, c as color, d as defaults, i as isObject, b as isArray, v as valueOrDefault, u as unlistenArrayEvents, l as listenArrayEvents, f as resolveObjectKey, g as isNumberFinite, h as createContext, j as defined, s as sign, k as isNullOrUndef, _ as _arrayUnique, t as toRadians, m as toPercentage, n as toDimension, T as TAU, o as formatNumber, p as _angleBetween, H as HALF_PI, P as PI, q as _getStartAndCountOfVisiblePoints, w as _scaleRangesChanged, x as isNumber, y as _parseObjectDataRadialScale, z as log10, A as _factorize, B as finiteOrDefault, C as callback, D as _addGrace, E as _limitValue, F as toDegrees, G as _measureText, I as _int16Range, J as _alignPixel, K as toPadding, L as clipArea, M as renderText, N as unclipArea, O as toFont, Q as each, R as _toLeftRightCenter, S as _alignStartEnd, U as overrides, V as merge, W as _capitalize, X as getRelativePosition, Y as _rlookupByKey, Z as _lookupByKey, $ as _isPointInArea, a0 as getAngleFromPoint, a1 as getMaximumSize, a2 as _getParentNode, a3 as readUsedSize, a4 as throttled, a5 as supportsEventListenerOptions, a6 as _isDomSupported, a7 as descriptors, a8 as isFunction, a9 as _attachContext, aa as _createResolver, ab as _descriptors, ac as mergeIf, ad as uid, ae as debounce, af as retinaScale, ag as clearCanvas, ah as setsEqual, ai as _elementsEqual, aj as _isClickEvent, ak as _isBetween, al as _readValueToProps, am as _updateBezierControlPoints, an as _computeSegments, ao as _boundSegments, ap as _steppedInterpolation, aq as _bezierInterpolation, ar as _pointInLine, as as _steppedLineTo, at as _bezierCurveTo, au as drawPoint, av as addRoundedRectPath, aw as toTRBL, ax as toTRBLCorners, ay as _boundSegment, az as _normalizeAngle, aA as getRtlAdapter, aB as overrideTextDirection, aC as _textX, aD as restoreTextDirection, aE as drawPointLegend, aF as noop, aG as distanceBetweenPoints, aH as _setMinAndMaxByKey, aI as niceNum, aJ as almostWhole, aK as almostEquals, aL as _decimalPlaces, aM as _longestText, aN as _filterBetween, aO as _lookup } from './chunks/helpers.segment.js';
export { d as defaults } from './chunks/helpers.segment.js';

class Animator {
  constructor() {
    this._request = null;
    this._charts = new Map();
    this._running = false;
    this._lastDate = undefined;
  }
  _notify(chart, anims, date, type) {
    const callbacks = anims.listeners[type];
    const numSteps = anims.duration;
    callbacks.forEach(fn => fn({
      chart,
      initial: anims.initial,
      numSteps,
      currentStep: Math.min(date - anims.start, numSteps)
    }));
  }
  _refresh() {
    if (this._request) {
      return;
    }
    this._running = true;
    this._request = requestAnimFrame.call(window, () => {
      this._update();
      this._request = null;
      if (this._running) {
        this._refresh();
      }
    });
  }
  _update(date = Date.now()) {
    let remaining = 0;
    this._charts.forEach((anims, chart) => {
      if (!anims.running || !anims.items.length) {
        return;
      }
      const items = anims.items;
      let i = items.length - 1;
      let draw = false;
      let item;
      for (; i >= 0; --i) {
        item = items[i];
        if (item._active) {
          if (item._total > anims.duration) {
            anims.duration = item._total;
          }
          item.tick(date);
          draw = true;
        } else {
          items[i] = items[items.length - 1];
          items.pop();
        }
      }
      if (draw) {
        chart.draw();
        this._notify(chart, anims, date, 'progress');
      }
      if (!items.length) {
        anims.running = false;
        this._notify(chart, anims, date, 'complete');
        anims.initial = false;
      }
      remaining += items.length;
    });
    this._lastDate = date;
    if (remaining === 0) {
      this._running = false;
    }
  }
  _getAnims(chart) {
    const charts = this._charts;
    let anims = charts.get(chart);
    if (!anims) {
      anims = {
        running: false,
        initial: true,
        items: [],
        listeners: {
          complete: [],
          progress: []
        }
      };
      charts.set(chart, anims);
    }
    return anims;
  }
  listen(chart, event, cb) {
    this._getAnims(chart).listeners[event].push(cb);
  }
  add(chart, items) {
    if (!items || !items.length) {
      return;
    }
    this._getAnims(chart).items.push(...items);
  }
  has(chart) {
    return this._getAnims(chart).items.length > 0;
  }
  start(chart) {
    const anims = this._charts.get(chart);
    if (!anims) {
      return;
    }
    anims.running = true;
    anims.start = Date.now();
    anims.duration = anims.items.reduce((acc, cur) => Math.max(acc, cur._duration), 0);
    this._refresh();
  }
  running(chart) {
    if (!this._running) {
      return false;
    }
    const anims = this._charts.get(chart);
    if (!anims || !anims.running || !anims.items.length) {
      return false;
    }
    return true;
  }
  stop(chart) {
    const anims = this._charts.get(chart);
    if (!anims || !anims.items.length) {
      return;
    }
    const items = anims.items;
    let i = items.length - 1;
    for (; i >= 0; --i) {
      items[i].cancel();
    }
    anims.items = [];
    this._notify(chart, anims, Date.now(), 'complete');
  }
  remove(chart) {
    return this._charts.delete(chart);
  }
}
var animator = new Animator();

class BubbleController extends DatasetController {
  initialize() {
    this.enableOptionSharing = true;
    super.initialize();
  }
  parsePrimitiveData(meta, data, start, count) {
    const parsed = super.parsePrimitiveData(meta, data, start, count);
    for (let i = 0; i < parsed.length; i++) {
      parsed[i]._custom = this.resolveDataElementOptions(i + start).radius;
    }
    return parsed;
  }
  parseArrayData(meta, data, start, count) {
    const parsed = super.parseArrayData(meta, data, start, count);
    for (let i = 0; i < parsed.length; i++) {
      const item = data[start + i];
      parsed[i]._custom = valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius);
    }
    return parsed;
  }
  parseObjectData(meta, data, start, count) {
    const parsed = super.parseObjectData(meta, data, start, count);
    for (let i = 0; i < parsed.length; i++) {
      const item = data[start + i];
      parsed[i]._custom = valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius);
    }
    return parsed;
  }
  getMaxOverflow() {
    const data = this._cachedMeta.data;
    let max = 0;
    for (let i = data.length - 1; i >= 0; --i) {
      max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2);
    }
    return max > 0 && max;
  }
  getLabelAndValue(index) {
    const meta = this._cachedMeta;
    const {xScale, yScale} = meta;
    const parsed = this.getParsed(index);
    const x = xScale.getLabelForValue(parsed.x);
    const y = yScale.getLabelForValue(parsed.y);
    const r = parsed._custom;
    return {
      label: meta.label,
      value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')'
    };
  }
  update(mode) {
    const points = this._cachedMeta.data;
    this.updateElements(points, 0, points.length, mode);
  }
  updateElements(points, start, count, mode) {
    const reset = mode === 'reset';
    const {iScale, vScale} = this._cachedMeta;
    const {sharedOptions, includeOptions} = this._getSharedOptions(start, mode);
    const iAxis = iScale.axis;
    const vAxis = vScale.axis;
    for (let i = start; i < start + count; i++) {
      const point = points[i];
      const parsed = !reset && this.getParsed(i);
      const properties = {};
      const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]);
      const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]);
      properties.skip = isNaN(iPixel) || isNaN(vPixel);
      if (includeOptions) {
        properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode);
        if (reset) {
          properties.options.radius = 0;
        }
      }
      this.updateElement(point, i, properties, mode);
    }
  }
  resolveDataElementOptions(index, mode) {
    const parsed = this.getParsed(index);
    let values = super.resolveDataElementOptions(index, mode);
    if (values.$shared) {
      values = Object.assign({}, values, {$shared: false});
    }
    const radius = values.radius;
    if (mode !== 'active') {
      values.radius = 0;
    }
    values.radius += valueOrDefault(parsed && parsed._custom, radius);
    return values;
  }
}
BubbleController.id = 'bubble';
BubbleController.defaults = {
  datasetElementType: false,
  dataElementType: 'point',
  animations: {
    numbers: {
      type: 'number',
      properties: ['x', 'y', 'borderWidth', 'radius']
    }
  }
};
BubbleController.overrides = {
  scales: {
    x: {
      type: 'linear'
    },
    y: {
      type: 'linear'
    }
  },
  plugins: {
    tooltip: {
      callbacks: {
        title() {
          return '';
        }
      }
    }
  }
};

class LineController extends DatasetController {
  initialize() {
    this.enableOptionSharing = true;
    this.supportsDecimation = true;
    super.initialize();
  }
  update(mode) {
    const meta = this._cachedMeta;
    const {dataset: line, data: points = [], _dataset} = meta;
    const animationsDisabled = this.chart._animationsDisabled;
    let {start, count} = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled);
    this._drawStart = start;
    this._drawCount = count;
    if (_scaleRangesChanged(meta)) {
      start = 0;
      count = points.length;
    }
    line._chart = this.chart;
    line._datasetIndex = this.index;
    line._decimated = !!_dataset._decimated;
    line.points = points;
    const options = this.resolveDatasetElementOptions(mode);
    if (!this.options.showLine) {
      options.borderWidth = 0;
    }
    options.segment = this.options.segment;
    this.updateElement(line, undefined, {
      animated: !animationsDisabled,
      options
    }, mode);
    this.updateElements(points, start, count, mode);
  }
  updateElements(points, start, count, mode) {
    const reset = mode === 'reset';
    const {iScale, vScale, _stacked, _dataset} = this._cachedMeta;
    const {sharedOptions, includeOptions} = this._getSharedOptions(start, mode);
    const iAxis = iScale.axis;
    const vAxis = vScale.axis;
    const {spanGaps, segment} = this.options;
    const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY;
    const directUpdate = this.chart._animationsDisabled || reset || mode === 'none';
    let prevParsed = start > 0 && this.getParsed(start - 1);
    for (let i = start; i < start + count; ++i) {
      const point = points[i];
      const parsed = this.getParsed(i);
      const properties = directUpdate ? point : {};
      const nullData = isNullOrUndef(parsed[vAxis]);
      const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i);
      const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i);
      properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData;
      properties.stop = i > 0 && (Math.abs(parsed[iAxis] - prevParsed[iAxis])) > maxGapLength;
      if (segment) {
        properties.parsed = parsed;
        properties.raw = _dataset.data[i];
      }
      if (includeOptions) {
        properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode);
      }
      if (!directUpdate) {
        this.updateElement(point, i, properties, mode);
      }
      prevParsed = parsed;
    }
  }
  getMaxOverflow() {
    const meta = this._cachedMeta;
    const dataset = meta.dataset;
    const border = dataset.options && dataset.options.borderWidth || 0;
    const data = meta.data || [];
    if (!data.length) {
      return border;
    }
    const firstPoint = data[0].size(this.resolveDataElementOptions(0));
    const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1));
    return Math.max(border, firstPoint, lastPoint) / 2;
  }
  draw() {
    const meta = this._cachedMeta;
    meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis);
    super.draw();
  }
}
LineController.id = 'line';
LineController.defaults = {
  datasetElementType: 'line',
  dataElementType: 'point',
  showLine: true,
  spanGaps: false,
};
LineController.overrides = {
  scales: {
    _index_: {
      type: 'category',
    },
    _value_: {
      type: 'linear',
    },
  }
};

class PolarAreaController extends DatasetController {
  constructor(chart, datasetIndex) {
    super(chart, datasetIndex);
    this.innerRadius = undefined;
    this.outerRadius = undefined;
  }
  getLabelAndValue(index) {
    const meta = this._cachedMeta;
    const chart = this.chart;
    const labels = chart.data.labels || [];
    const value = formatNumber(meta._parsed[index].r, chart.options.locale);
    return {
      label: labels[index] || '',
      value,
    };
  }
  parseObjectData(meta, data, start, count) {
    return _parseObjectDataRadialScale.bind(this)(meta, data, start, count);
  }
  update(mode) {
    const arcs = this._cachedMeta.data;
    this._updateRadius();
    this.updateElements(arcs, 0, arcs.length, mode);
  }
  getMinMax() {
    const meta = this._cachedMeta;
    const range = {min: Number.POSITIVE_INFINITY, max: Number.NEGATIVE_INFINITY};
    meta.data.forEach((element, index) => {
      const parsed = this.getParsed(index).r;
      if (!isNaN(parsed) && this.chart.getDataVisibility(index)) {
        if (parsed < range.min) {
          range.min = parsed;
        }
        if (parsed > range.max) {
          range.max = parsed;
        }
      }
    });
    return range;
  }
  _updateRadius() {
    const chart = this.chart;
    const chartArea = chart.chartArea;
    const opts = chart.options;
    const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);
    const outerRadius = Math.max(minSize / 2, 0);
    const innerRadius = Math.max(opts.cutoutPercentage ? (outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);
    const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount();
    this.outerRadius = outerRadius - (radiusLength * this.index);
    this.innerRadius = this.outerRadius - radiusLength;
  }
  updateElements(arcs, start, count, mode) {
    const reset = mode === 'reset';
    const chart = this.chart;
    const opts = chart.options;
    const animationOpts = opts.animation;
    const scale = this._cachedMeta.rScale;
    const centerX = scale.xCenter;
    const centerY = scale.yCenter;
    const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * PI;
    let angle = datasetStartAngle;
    let i;
    const defaultAngle = 360 / this.countVisibleElements();
    for (i = 0; i < start; ++i) {
      angle += this._computeAngle(i, mode, defaultAngle);
    }
    for (i = start; i < start + count; i++) {
      const arc = arcs[i];
      let startAngle = angle;
      let endAngle = angle + this._computeAngle(i, mode, defaultAngle);
      let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(this.getParsed(i).r) : 0;
      angle = endAngle;
      if (reset) {
        if (animationOpts.animateScale) {
          outerRadius = 0;
        }
        if (animationOpts.animateRotate) {
          startAngle = endAngle = datasetStartAngle;
        }
      }
      const properties = {
        x: centerX,
        y: centerY,
        innerRadius: 0,
        outerRadius,
        startAngle,
        endAngle,
        options: this.resolveDataElementOptions(i, arc.active ? 'active' : mode)
      };
      this.updateElement(arc, i, properties, mode);
    }
  }
  countVisibleElements() {
    const meta = this._cachedMeta;
    let count = 0;
    meta.data.forEach((element, index) => {
      if (!isNaN(this.getParsed(index).r) && this.chart.getDataVisibility(index)) {
        count++;
      }
    });
    return count;
  }
  _computeAngle(index, mode, defaultAngle) {
    return this.chart.getDataVisibility(index)
      ? toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle)
      : 0;
  }
}
PolarAreaController.id = 'polarArea';
PolarAreaController.defaults = {
  dataElementType: 'arc',
  animation: {
    animateRotate: true,
    animateScale: true
  },
  animations: {
    numbers: {
      type: 'number',
      properties: ['x', 'y', 'startAngle', 'endAngle', 'innerRadius', 'outerRadius']
    },
  },
  indexAxis: 'r',
  startAngle: 0,
};
PolarAreaController.overrides = {
  aspectRatio: 1,
  plugins: {
    legend: {
      labels: {
        generateLabels(chart) {
          const data = chart.data;
          if (data.labels.length && data.datasets.length) {
            const {labels: {pointStyle}} = chart.legend.options;
            return data.labels.map((label, i) => {
              const meta = chart.getDatasetMeta(0);
              const style = meta.controller.getStyle(i);
              return {
                text: label,
                fillStyle: style.backgroundColor,
                strokeStyle: style.borderColor,
                lineWidth: style.borderWidth,
                pointStyle: pointStyle,
                hidden: !chart.getDataVisibility(i),
                index: i
              };
            });
          }
          return [];
        }
      },
      onClick(e, legendItem, legend) {
        legend.chart.toggleDataVisibility(legendItem.index);
        legend.chart.update();
      }
    },
    tooltip: {
      callbacks: {
        title() {
          return '';
        },
        label(context) {
          return context.chart.data.labels[context.dataIndex] + ': ' + context.formattedValue;
        }
      }
    }
  },
  scales: {
    r: {
      type: 'radialLinear',
      angleLines: {
        display: false
      },
      beginAtZero: true,
      grid: {
        circular: true
      },
      pointLabels: {
        display: false
      },
      startAngle: 0
    }
  }
};

class PieController extends DoughnutController {
}
PieController.id = 'pie';
PieController.defaults = {
  cutout: 0,
  rotation: 0,
  circumference: 360,
  radius: '100%'
};

class RadarController extends DatasetController {
  getLabelAndValue(index) {
    const vScale = this._cachedMeta.vScale;
    const parsed = this.getParsed(index);
    return {
      label: vScale.getLabels()[index],
      value: '' + vScale.getLabelForValue(parsed[vScale.axis])
    };
  }
  parseObjectData(meta, data, start, count) {
    return _parseObjectDataRadialScale.bind(this)(meta, data, start, count);
  }
  update(mode) {
    const meta = this._cachedMeta;
    const line = meta.dataset;
    const points = meta.data || [];
    const labels = meta.iScale.getLabels();
    line.points = points;
    if (mode !== 'resize') {
      const options = this.resolveDatasetElementOptions(mode);
      if (!this.options.showLine) {
        options.borderWidth = 0;
      }
      const properties = {
        _loop: true,
        _fullLoop: labels.length === points.length,
        options
      };
      this.updateElement(line, undefined, properties, mode);
    }
    this.updateElements(points, 0, points.length, mode);
  }
  updateElements(points, start, count, mode) {
    const scale = this._cachedMeta.rScale;
    const reset = mode === 'reset';
    for (let i = start; i < start + count; i++) {
      const point = points[i];
      const options = this.resolveDataElementOptions(i, point.active ? 'active' : mode);
      const pointPosition = scale.getPointPositionForValue(i, this.getParsed(i).r);
      const x = reset ? scale.xCenter : pointPosition.x;
      const y = reset ? scale.yCenter : pointPosition.y;
      const properties = {
        x,
        y,
        angle: pointPosition.angle,
        skip: isNaN(x) || isNaN(y),
        options
      };
      this.updateElement(point, i, properties, mode);
    }
  }
}
RadarController.id = 'radar';
RadarController.defaults = {
  datasetElementType: 'line',
  dataElementType: 'point',
  indexAxis: 'r',
  showLine: true,
  elements: {
    line: {
      fill: 'start'
    }
  },
};
RadarController.overrides = {
  aspectRatio: 1,
  scales: {
    r: {
      type: 'radialLinear',
    }
  }
};

class Element {
  constructor() {
    this.x = undefined;
    this.y = undefined;
    this.active = false;
    this.options = undefined;
    this.$animations = undefined;
  }
  tooltipPosition(useFinalPosition) {
    const {x, y} = this.getProps(['x', 'y'], useFinalPosition);
    return {x, y};
  }
  hasValue() {
    return isNumber(this.x) && isNumber(this.y);
  }
  getProps(props, final) {
    const anims = this.$animations;
    if (!final || !anims) {
      return this;
    }
    const ret = {};
    props.forEach(prop => {
      ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop];
    });
    return ret;
  }
}
Element.defaults = {};
Element.defaultRoutes = undefined;

defaults.set('scale', {
  display: true,
  offset: false,
  reverse: false,
  beginAtZero: false,
  bounds: 'ticks',
  grace: 0,
  grid: {
    display: true,
    lineWidth: 1,
    drawBorder: true,
    drawOnChartArea: true,
    drawTicks: true,
    tickLength: 8,
    tickWidth: (_ctx, options) => options.lineWidth,
    tickColor: (_ctx, options) => options.color,
    offset: false,
    borderDash: [],
    borderDashOffset: 0.0,
    borderWidth: 1
  },
  title: {
    display: false,
    text: '',
    padding: {
      top: 4,
      bottom: 4
    }
  },
  ticks: {
    minRotation: 0,
    maxRotation: 50,
    mirror: false,
    textStrokeWidth: 0,
    textStrokeColor: '',
    padding: 3,
    display: true,
    autoSkip: true,
    autoSkipPadding: 3,
    labelOffset: 0,
    callback: Ticks.formatters.values,
    minor: {},
    major: {},
    align: 'center',
    crossAlign: 'near',
    showLabelBackdrop: false,
    backdropColor: 'rgba(255, 255, 255, 0.75)',
    backdropPadding: 2,
  }
});
defaults.route('scale.ticks', 'color', '', 'color');
defaults.route('scale.grid', 'color', '', 'borderColor');
defaults.route('scale.grid', 'borderColor', '', 'borderColor');
defaults.route('scale.title', 'color', '', 'color');
defaults.describe('scale', {
  _fallback: false,
  _scriptable: (name) => !name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser',
  _indexable: (name) => name !== 'borderDash' && name !== 'tickBorderDash',
});
defaults.describe('scales', {
  _fallback: 'scale',
});
defaults.describe('scale.ticks', {
  _scriptable: (name) => name !== 'backdropPadding' && name !== 'callback',
  _indexable: (name) => name !== 'backdropPadding',
});

class TypedRegistry {
  constructor(type, scope, override) {
    this.type = type;
    this.scope = scope;
    this.override = override;
    this.items = Object.create(null);
  }
  isForType(type) {
    return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype);
  }
  register(item) {
    const proto = Object.getPrototypeOf(item);
    let parentScope;
    if (isIChartComponent(proto)) {
      parentScope = this.register(proto);
    }
    const items = this.items;
    const id = item.id;
    const scope = this.scope + '.' + id;
    if (!id) {
      throw new Error('class does not have id: ' + item);
    }
    if (id in items) {
      return scope;
    }
    items[id] = item;
    registerDefaults(item, scope, parentScope);
    if (this.override) {
      defaults.override(item.id, item.overrides);
    }
    return scope;
  }
  get(id) {
    return this.items[id];
  }
  unregister(item) {
    const items = this.items;
    const id = item.id;
    const scope = this.scope;
    if (id in items) {
      delete items[id];
    }
    if (scope && id in defaults[scope]) {
      delete defaults[scope][id];
      if (this.override) {
        delete overrides[id];
      }
    }
  }
}
function registerDefaults(item, scope, parentScope) {
  const itemDefaults = merge(Object.create(null), [
    parentScope ? defaults.get(parentScope) : {},
    defaults.get(scope),
    item.defaults
  ]);
  defaults.set(scope, itemDefaults);
  if (item.defaultRoutes) {
    routeDefaults(scope, item.defaultRoutes);
  }
  if (item.descriptors) {
    defaults.describe(scope, item.descriptors);
  }
}
function routeDefaults(scope, routes) {
  Object.keys(routes).forEach(property => {
    const propertyParts = property.split('.');
    const sourceName = propertyParts.pop();
    const sourceScope = [scope].concat(propertyParts).join('.');
    const parts = routes[property].split('.');
    const targetName = parts.pop();
    const targetScope = parts.join('.');
    defaults.route(sourceScope, sourceName, targetScope, targetName);
  });
}
function isIChartComponent(proto) {
  return 'id' in proto && 'defaults' in proto;
}

class Registry {
  constructor() {
    this.controllers = new TypedRegistry(DatasetController, 'datasets', true);
    this.elements = new TypedRegistry(Element, 'elements');
    this.plugins = new TypedRegistry(Object, 'plugins');
    this.scales = new TypedRegistry(Scale, 'scales');
    this._typedRegistries = [this.controllers, this.scales, this.elements];
  }
  add(...args) {
    this._each('register', args);
  }
  remove(...args) {
    this._each('unregister', args);
  }
  addControllers(...args) {
    this._each('register', args, this.controllers);
  }
  addElements(...args) {
    this._each('register', args, this.elements);
  }
  addPlugins(...args) {
    this._each('register', args, this.plugins);
  }
  addScales(...args) {
    this._each('register', args, this.scales);
  }
  getController(id) {
    return this._get(id, this.controllers, 'controller');
  }
  getElement(id) {
    return this._get(id, this.elements, 'element');
  }
  getPlugin(id) {
    return this._get(id, this.plugins, 'plugin');
  }
  getScale(id) {
    return this._get(id, this.scales, 'scale');
  }
  removeControllers(...args) {
    this._each('unregister', args, this.controllers);
  }
  removeElements(...args) {
    this._each('unregister', args, this.elements);
  }
  removePlugins(...args) {
    this._each('unregister', args, this.plugins);
  }
  removeScales(...args) {
    this._each('unregister', args, this.scales);
  }
  _each(method, args, typedRegistry) {
    [...args].forEach(arg => {
      const reg = typedRegistry || this._getRegistryForType(arg);
      if (typedRegistry || reg.isForType(arg) || (reg === this.plugins && arg.id)) {
        this._exec(method, reg, arg);
      } else {
        each(arg, item => {
          const itemReg = typedRegistry || this._getRegistryForType(item);
          this._exec(method, itemReg, item);
        });
      }
    });
  }
  _exec(method, registry, component) {
    const camelMethod = _capitalize(method);
    callback(component['before' + camelMethod], [], component);
    registry[method](component);
    callback(component['after' + camelMethod], [], component);
  }
  _getRegistryForType(type) {
    for (let i = 0; i < this._typedRegistries.length; i++) {
      const reg = this._typedRegistries[i];
      if (reg.isForType(type)) {
        return reg;
      }
    }
    return this.plugins;
  }
  _get(id, typedRegistry, type) {
    const item = typedRegistry.get(id);
    if (item === undefined) {
      throw new Error('"' + id + '" is not a registered ' + type + '.');
    }
    return item;
  }
}
var registry = new Registry();

class ScatterController extends DatasetController {
  update(mode) {
    const meta = this._cachedMeta;
    const {data: points = []} = meta;
    const animationsDisabled = this.chart._animationsDisabled;
    let {start, count} = _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled);
    this._drawStart = start;
    this._drawCount = count;
    if (_scaleRangesChanged(meta)) {
      start = 0;
      count = points.length;
    }
    if (this.options.showLine) {
      const {dataset: line, _dataset} = meta;
      line._chart = this.chart;
      line._datasetIndex = this.index;
      line._decimated = !!_dataset._decimated;
      line.points = points;
      const options = this.resolveDatasetElementOptions(mode);
      options.segment = this.options.segment;
      this.updateElement(line, undefined, {
        animated: !animationsDisabled,
        options
      }, mode);
    }
    this.updateElements(points, start, count, mode);
  }
  addElements() {
    const {showLine} = this.options;
    if (!this.datasetElementType && showLine) {
      this.datasetElementType = registry.getElement('line');
    }
    super.addElements();
  }
  updateElements(points, start, count, mode) {
    const reset = mode === 'reset';
    const {iScale, vScale, _stacked, _dataset} = this._cachedMeta;
    const firstOpts = this.resolveDataElementOptions(start, mode);
    const sharedOptions = this.getSharedOptions(firstOpts);
    const includeOptions = this.includeOptions(mode, sharedOptions);
    const iAxis = iScale.axis;
    const vAxis = vScale.axis;
    const {spanGaps, segment} = this.options;
    const maxGapLength = isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY;
    const directUpdate = this.chart._animationsDisabled || reset || mode === 'none';
    let prevParsed = start > 0 && this.getParsed(start - 1);
    for (let i = start; i < start + count; ++i) {
      const point = points[i];
      const parsed = this.getParsed(i);
      const properties = directUpdate ? point : {};
      const nullData = isNullOrUndef(parsed[vAxis]);
      const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i);
      const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i);
      properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData;
      properties.stop = i > 0 && (Math.abs(parsed[iAxis] - prevParsed[iAxis])) > maxGapLength;
      if (segment) {
        properties.parsed = parsed;
        properties.raw = _dataset.data[i];
      }
      if (includeOptions) {
        properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode);
      }
      if (!directUpdate) {
        this.updateElement(point, i, properties, mode);
      }
      prevParsed = parsed;
    }
    this.updateSharedOptions(sharedOptions, mode, firstOpts);
  }
  getMaxOverflow() {
    const meta = this._cachedMeta;
    const data = meta.data || [];
    if (!this.options.showLine) {
      let max = 0;
      for (let i = data.length - 1; i >= 0; --i) {
        max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2);
      }
      return max > 0 && max;
    }
    const dataset = meta.dataset;
    const border = dataset.options && dataset.options.borderWidth || 0;
    if (!data.length) {
      return border;
    }
    const firstPoint = data[0].size(this.resolveDataElementOptions(0));
    const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1));
    return Math.max(border, firstPoint, lastPoint) / 2;
  }
}
ScatterController.id = 'scatter';
ScatterController.defaults = {
  datasetElementType: false,
  dataElementType: 'point',
  showLine: false,
  fill: false
};
ScatterController.overrides = {
  interaction: {
    mode: 'point'
  },
  plugins: {
    tooltip: {
      callbacks: {
        title() {
          return '';
        },
        label(item) {
          return '(' + item.label + ', ' + item.formattedValue + ')';
        }
      }
    }
  },
  scales: {
    x: {
      type: 'linear'
    },
    y: {
      type: 'linear'
    }
  }
};

var controllers = /*#__PURE__*/Object.freeze({
__proto__: null,
BarController: BarController,
BubbleController: BubbleController,
DoughnutController: DoughnutController,
LineController: LineController,
PolarAreaController: PolarAreaController,
PieController: PieController,
RadarController: RadarController,
ScatterController: ScatterController
});

class BasePlatform {
  acquireContext(canvas, aspectRatio) {}
  releaseContext(context) {
    return false;
  }
  addEventListener(chart, type, listener) {}
  removeEventListener(chart, type, listener) {}
  getDevicePixelRatio() {
    return 1;
  }
  getMaximumSize(element, width, height, aspectRatio) {
    width = Math.max(0, width || element.width);
    height = height || element.height;
    return {
      width,
      height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height)
    };
  }
  isAttached(canvas) {
    return true;
  }
  updateConfig(config) {
  }
}

class BasicPlatform extends BasePlatform {
  acquireContext(item) {
    return item && item.getContext && item.getContext('2d') || null;
  }
  updateConfig(config) {
    config.options.animation = false;
  }
}

function _detectPlatform(canvas) {
  if (!_isDomSupported() || (typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas)) {
    return BasicPlatform;
  }
  return DomPlatform;
}

class PluginService {
  constructor() {
    this._init = [];
  }
  notify(chart, hook, args, filter) {
    if (hook === 'beforeInit') {
      this._init = this._createDescriptors(chart, true);
      this._notify(this._init, chart, 'install');
    }
    const descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart);
    const result = this._notify(descriptors, chart, hook, args);
    if (hook === 'afterDestroy') {
      this._notify(descriptors, chart, 'stop');
      this._notify(this._init, chart, 'uninstall');
    }
    return result;
  }
  _notify(descriptors, chart, hook, args) {
    args = args || {};
    for (const descriptor of descriptors) {
      const plugin = descriptor.plugin;
      const method = plugin[hook];
      const params = [chart, args, descriptor.options];
      if (callback(method, params, plugin) === false && args.cancelable) {
        return false;
      }
    }
    return true;
  }
  invalidate() {
    if (!isNullOrUndef(this._cache)) {
      this._oldCache = this._cache;
      this._cache = undefined;
    }
  }
  _descriptors(chart) {
    if (this._cache) {
      return this._cache;
    }
    const descriptors = this._cache = this._createDescriptors(chart);
    this._notifyStateChanges(chart);
    return descriptors;
  }
  _createDescriptors(chart, all) {
    const config = chart && chart.config;
    const options = valueOrDefault(config.options && config.options.plugins, {});
    const plugins = allPlugins(config);
    return options === false && !all ? [] : createDescriptors(chart, plugins, options, all);
  }
  _notifyStateChanges(chart) {
    const previousDescriptors = this._oldCache || [];
    const descriptors = this._cache;
    const diff = (a, b) => a.filter(x => !b.some(y => x.plugin.id === y.plugin.id));
    this._notify(diff(previousDescriptors, descriptors), chart, 'stop');
    this._notify(diff(descriptors, previousDescriptors), chart, 'start');
  }
}
function allPlugins(config) {
  const localIds = {};
  const plugins = [];
  const keys = Object.keys(registry.plugins.items);
  for (let i = 0; i < keys.length; i++) {
    plugins.push(registry.getPlugin(keys[i]));
  }
  const local = config.plugins || [];
  for (let i = 0; i < local.length; i++) {
    const plugin = local[i];
    if (plugins.indexOf(plugin) === -1) {
      plugins.push(plugin);
      localIds[plugin.id] = true;
    }
  }
  return {plugins, localIds};
}
function getOpts(options, all) {
  if (!all && options === false) {
    return null;
  }
  if (options === true) {
    return {};
  }
  return options;
}
function createDescriptors(chart, {plugins, localIds}, options, all) {
  const result = [];
  const context = chart.getContext();
  for (const plugin of plugins) {
    const id = plugin.id;
    const opts = getOpts(options[id], all);
    if (opts === null) {
      continue;
    }
    result.push({
      plugin,
      options: pluginOpts(chart.config, {plugin, local: localIds[id]}, opts, context)
    });
  }
  return result;
}
function pluginOpts(config, {plugin, local}, opts, context) {
  const keys = config.pluginScopeKeys(plugin);
  const scopes = config.getOptionScopes(opts, keys);
  if (local && plugin.defaults) {
    scopes.push(plugin.defaults);
  }
  return config.createResolver(scopes, context, [''], {
    scriptable: false,
    indexable: false,
    allKeys: true
  });
}

var version = "3.9.1";

var elements = /*#__PURE__*/Object.freeze({
__proto__: null,
ArcElement: ArcElement,
LineElement: LineElement,
PointElement: PointElement,
BarElement: BarElement
});

class simpleArc {
  constructor(opts) {
    this.x = opts.x;
    this.y = opts.y;
    this.radius = opts.radius;
  }
  pathSegment(ctx, bounds, opts) {
    const {x, y, radius} = this;
    bounds = bounds || {start: 0, end: TAU};
    ctx.arc(x, y, radius, bounds.end, bounds.start, true);
    return !opts.bounds;
  }
  interpolate(point) {
    const {x, y, radius} = this;
    const angle = point.angle;
    return {
      x: x + Math.cos(angle) * radius,
      y: y + Math.sin(angle) * radius,
      angle
    };
  }
}

class Title extends Element {
  constructor(config) {
    super();
    this.chart = config.chart;
    this.options = config.options;
    this.ctx = config.ctx;
    this._padding = undefined;
    this.top = undefined;
    this.bottom = undefined;
    this.left = undefined;
    this.right = undefined;
    this.width = undefined;
    this.height = undefined;
    this.position = undefined;
    this.weight = undefined;
    this.fullSize = undefined;
  }
  update(maxWidth, maxHeight) {
    const opts = this.options;
    this.left = 0;
    this.top = 0;
    if (!opts.display) {
      this.width = this.height = this.right = this.bottom = 0;
      return;
    }
    this.width = this.right = maxWidth;
    this.height = this.bottom = maxHeight;
    const lineCount = isArray(opts.text) ? opts.text.length : 1;
    this._padding = toPadding(opts.padding);
    const textSize = lineCount * toFont(opts.font).lineHeight + this._padding.height;
    if (this.isHorizontal()) {
      this.height = textSize;
    } else {
      this.width = textSize;
    }
  }
  isHorizontal() {
    const pos = this.options.position;
    return pos === 'top' || pos === 'bottom';
  }
  _drawArgs(offset) {
    const {top, left, bottom, right, options} = this;
    const align = options.align;
    let rotation = 0;
    let maxWidth, titleX, titleY;
    if (this.isHorizontal()) {
      titleX = _alignStartEnd(align, left, right);
      titleY = top + offset;
      maxWidth = right - left;
    } else {
      if (options.position === 'left') {
        titleX = left + offset;
        titleY = _alignStartEnd(align, bottom, top);
        rotation = PI * -0.5;
      } else {
        titleX = right - offset;
        titleY = _alignStartEnd(align, top, bottom);
        rotation = PI * 0.5;
      }
      maxWidth = bottom - top;
    }
    return {titleX, titleY, maxWidth, rotation};
  }
  draw() {
    const ctx = this.ctx;
    const opts = this.options;
    if (!opts.display) {
      return;
    }
    const fontOpts = toFont(opts.font);
    const lineHeight = fontOpts.lineHeight;
    const offset = lineHeight / 2 + this._padding.top;
    const {titleX, titleY, maxWidth, rotation} = this._drawArgs(offset);
    renderText(ctx, opts.text, 0, 0, fontOpts, {
      color: opts.color,
      maxWidth,
      rotation,
      textAlign: _toLeftRightCenter(opts.align),
      textBaseline: 'middle',
      translation: [titleX, titleY],
    });
  }
}
function createTitle(chart, titleOpts) {
  const title = new Title({
    ctx: chart.ctx,
    options: titleOpts,
    chart
  });
  layouts.configure(chart, title, titleOpts);
  layouts.addBox(chart, title);
  chart.titleBlock = title;
}
var plugin_title = {
  id: 'title',
  _element: Title,
  start(chart, _args, options) {
    createTitle(chart, options);
  },
  stop(chart) {
    const titleBlock = chart.titleBlock;
    layouts.removeBox(chart, titleBlock);
    delete chart.titleBlock;
  },
  beforeUpdate(chart, _args, options) {
    const title = chart.titleBlock;
    layouts.configure(chart, title, options);
    title.options = options;
  },
  defaults: {
    align: 'center',
    display: false,
    font: {
      weight: 'bold',
    },
    fullSize: true,
    padding: 10,
    position: 'top',
    text: '',
    weight: 2000
  },
  defaultRoutes: {
    color: 'color'
  },
  descriptors: {
    _scriptable: true,
    _indexable: false,
  },
};

var plugins = /*#__PURE__*/Object.freeze({
__proto__: null,
Decimation: plugin_decimation,
Filler: index,
Legend: plugin_legend,
SubTitle: plugin_subtitle,
Title: plugin_title,
Tooltip: plugin_tooltip
});

class LinearScale extends LinearScaleBase {
  determineDataLimits() {
    const {min, max} = this.getMinMax(true);
    this.min = isNumberFinite(min) ? min : 0;
    this.max = isNumberFinite(max) ? max : 1;
    this.handleTickRangeOptions();
  }
  computeTickLimit() {
    const horizontal = this.isHorizontal();
    const length = horizontal ? this.width : this.height;
    const minRotation = toRadians(this.options.ticks.minRotation);
    const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001;
    const tickFont = this._resolveTickFontOptions(0);
    return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio));
  }
  getPixelForValue(value) {
    return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange);
  }
  getValueForPixel(pixel) {
    return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange;
  }
}
LinearScale.id = 'linear';
LinearScale.defaults = {
  ticks: {
    callback: Ticks.formatters.numeric
  }
};

var scales = /*#__PURE__*/Object.freeze({
__proto__: null,
CategoryScale: CategoryScale,
LinearScale: LinearScale,
LogarithmicScale: LogarithmicScale,
RadialLinearScale: RadialLinearScale,
TimeScale: TimeScale,
TimeSeriesScale: TimeSeriesScale
});

const registerables = [
  controllers,
  elements,
  plugins,
  scales,
];

export { Animation, Animations, ArcElement, BarController, BarElement, BasePlatform, BasicPlatform, BubbleController, CategoryScale, Chart, DatasetController, plugin_decimation as Decimation, DomPlatform, DoughnutController, Element, index as Filler, Interaction, plugin_legend as Legend, LineController, LineElement, LinearScale, LogarithmicScale, PieController, PointElement, PolarAreaController, RadarController, RadialLinearScale, Scale, ScatterController, plugin_subtitle as SubTitle, Ticks, TimeScale, TimeSeriesScale, plugin_title as Title, plugin_tooltip as Tooltip, adapters as _adapters, _detectPlatform, animator, controllers, elements, layouts, plugins, registerables, registry, scales };

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