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- /**
- * @license Highstock JS v9.1.1 (2021-06-04)
- *
- * Indicator series type for Highcharts Stock
- *
- * (c) 2010-2021 Paweł Fus
- *
- * License: www.highcharts.com/license
- */
- 'use strict';
- (function (factory) {
- if (typeof module === 'object' && module.exports) {
- factory['default'] = factory;
- module.exports = factory;
- } else if (typeof define === 'function' && define.amd) {
- define('highcharts/indicators/stochastic', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
- factory(Highcharts);
- factory.Highcharts = Highcharts;
- return factory;
- });
- } else {
- factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
- }
- }(function (Highcharts) {
- var _modules = Highcharts ? Highcharts._modules : {};
- function _registerModule(obj, path, args, fn) {
- if (!obj.hasOwnProperty(path)) {
- obj[path] = fn.apply(null, args);
- }
- }
- _registerModule(_modules, 'Mixins/MultipleLines.js', [_modules['Core/Globals.js'], _modules['Core/Utilities.js']], function (H, U) {
- /**
- *
- * (c) 2010-2021 Wojciech Chmiel
- *
- * License: www.highcharts.com/license
- *
- * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
- *
- * */
- var defined = U.defined,
- error = U.error,
- merge = U.merge;
- var SMA = H.seriesTypes.sma;
- /**
- * Mixin useful for all indicators that have more than one line.
- * Merge it with your implementation where you will provide
- * getValues method appropriate to your indicator and pointArrayMap,
- * pointValKey, linesApiNames properites. Notice that pointArrayMap
- * should be consistent with amount of lines calculated in getValues method.
- *
- * @private
- * @mixin multipleLinesMixin
- */
- var multipleLinesMixin = {
- /* eslint-disable valid-jsdoc */
- /**
- * Lines ids. Required to plot appropriate amount of lines.
- * Notice that pointArrayMap should have more elements than
- * linesApiNames, because it contains main line and additional lines ids.
- * Also it should be consistent with amount of lines calculated in
- * getValues method from your implementation.
- *
- * @private
- * @name multipleLinesMixin.pointArrayMap
- * @type {Array<string>}
- */
- pointArrayMap: ['top', 'bottom'],
- /**
- * Main line id.
- *
- * @private
- * @name multipleLinesMixin.pointValKey
- * @type {string}
- */
- pointValKey: 'top',
- /**
- * Additional lines DOCS names. Elements of linesApiNames array should
- * be consistent with DOCS line names defined in your implementation.
- * Notice that linesApiNames should have decreased amount of elements
- * relative to pointArrayMap (without pointValKey).
- *
- * @private
- * @name multipleLinesMixin.linesApiNames
- * @type {Array<string>}
- */
- linesApiNames: ['bottomLine'],
- /**
- * Create translatedLines Collection based on pointArrayMap.
- *
- * @private
- * @function multipleLinesMixin.getTranslatedLinesNames
- * @param {string} [excludedValue]
- * Main line id
- * @return {Array<string>}
- * Returns translated lines names without excluded value.
- */
- getTranslatedLinesNames: function (excludedValue) {
- var translatedLines = [];
- (this.pointArrayMap || []).forEach(function (propertyName) {
- if (propertyName !== excludedValue) {
- translatedLines.push('plot' +
- propertyName.charAt(0).toUpperCase() +
- propertyName.slice(1));
- }
- });
- return translatedLines;
- },
- /**
- * @private
- * @function multipleLinesMixin.toYData
- * @param {Highcharts.Point} point
- * Indicator point
- * @return {Array<number>}
- * Returns point Y value for all lines
- */
- toYData: function (point) {
- var pointColl = [];
- (this.pointArrayMap || []).forEach(function (propertyName) {
- pointColl.push(point[propertyName]);
- });
- return pointColl;
- },
- /**
- * Add lines plot pixel values.
- *
- * @private
- * @function multipleLinesMixin.translate
- * @return {void}
- */
- translate: function () {
- var indicator = this,
- pointArrayMap = indicator.pointArrayMap,
- LinesNames = [],
- value;
- LinesNames = indicator.getTranslatedLinesNames();
- SMA.prototype.translate.apply(indicator, arguments);
- indicator.points.forEach(function (point) {
- pointArrayMap.forEach(function (propertyName, i) {
- value = point[propertyName];
- if (value !== null) {
- point[LinesNames[i]] = indicator.yAxis.toPixels(value, true);
- }
- });
- });
- },
- /**
- * Draw main and additional lines.
- *
- * @private
- * @function multipleLinesMixin.drawGraph
- * @return {void}
- */
- drawGraph: function () {
- var indicator = this,
- pointValKey = indicator.pointValKey,
- linesApiNames = indicator.linesApiNames,
- mainLinePoints = indicator.points,
- pointsLength = mainLinePoints.length,
- mainLineOptions = indicator.options,
- mainLinePath = indicator.graph,
- gappedExtend = {
- options: {
- gapSize: mainLineOptions.gapSize
- }
- },
- // additional lines point place holders:
- secondaryLines = [],
- secondaryLinesNames = indicator.getTranslatedLinesNames(pointValKey),
- point;
- // Generate points for additional lines:
- secondaryLinesNames.forEach(function (plotLine, index) {
- // create additional lines point place holders
- secondaryLines[index] = [];
- while (pointsLength--) {
- point = mainLinePoints[pointsLength];
- secondaryLines[index].push({
- x: point.x,
- plotX: point.plotX,
- plotY: point[plotLine],
- isNull: !defined(point[plotLine])
- });
- }
- pointsLength = mainLinePoints.length;
- });
- // Modify options and generate additional lines:
- linesApiNames.forEach(function (lineName, i) {
- if (secondaryLines[i]) {
- indicator.points = secondaryLines[i];
- if (mainLineOptions[lineName]) {
- indicator.options = merge(mainLineOptions[lineName].styles, gappedExtend);
- }
- else {
- error('Error: "There is no ' + lineName +
- ' in DOCS options declared. Check if linesApiNames' +
- ' are consistent with your DOCS line names."' +
- ' at mixin/multiple-line.js:34');
- }
- indicator.graph = indicator['graph' + lineName];
- SMA.prototype.drawGraph.call(indicator);
- // Now save lines:
- indicator['graph' + lineName] = indicator.graph;
- }
- else {
- error('Error: "' + lineName + ' doesn\'t have equivalent ' +
- 'in pointArrayMap. To many elements in linesApiNames ' +
- 'relative to pointArrayMap."');
- }
- });
- // Restore options and draw a main line:
- indicator.points = mainLinePoints;
- indicator.options = mainLineOptions;
- indicator.graph = mainLinePath;
- SMA.prototype.drawGraph.call(indicator);
- }
- };
- return multipleLinesMixin;
- });
- _registerModule(_modules, 'Mixins/ReduceArray.js', [], function () {
- /**
- *
- * (c) 2010-2021 Pawel Fus & Daniel Studencki
- *
- * License: www.highcharts.com/license
- *
- * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
- *
- * */
- var reduceArrayMixin = {
- /**
- * Get min value of array filled by OHLC data.
- * @private
- * @param {Array<*>} arr Array of OHLC points (arrays).
- * @param {string} index Index of "low" value in point array.
- * @return {number} Returns min value.
- */
- minInArray: function (arr,
- index) {
- return arr.reduce(function (min,
- target) {
- return Math.min(min,
- target[index]);
- }, Number.MAX_VALUE);
- },
- /**
- * Get max value of array filled by OHLC data.
- * @private
- * @param {Array<*>} arr Array of OHLC points (arrays).
- * @param {string} index Index of "high" value in point array.
- * @return {number} Returns max value.
- */
- maxInArray: function (arr, index) {
- return arr.reduce(function (max, target) {
- return Math.max(max, target[index]);
- }, -Number.MAX_VALUE);
- },
- /**
- * Get extremes of array filled by OHLC data.
- * @private
- * @param {Array<*>} arr Array of OHLC points (arrays).
- * @param {string} minIndex Index of "low" value in point array.
- * @param {string} maxIndex Index of "high" value in point array.
- * @return {Array<number,number>} Returns array with min and max value.
- */
- getArrayExtremes: function (arr, minIndex, maxIndex) {
- return arr.reduce(function (prev, target) {
- return [
- Math.min(prev[0], target[minIndex]),
- Math.max(prev[1], target[maxIndex])
- ];
- }, [Number.MAX_VALUE, -Number.MAX_VALUE]);
- }
- };
- return reduceArrayMixin;
- });
- _registerModule(_modules, 'Stock/Indicators/Stochastic/StochasticIndicator.js', [_modules['Mixins/MultipleLines.js'], _modules['Mixins/ReduceArray.js'], _modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (MultipleLinesMixin, ReduceArrayMixin, SeriesRegistry, U) {
- /* *
- *
- * License: www.highcharts.com/license
- *
- * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
- *
- * */
- var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d,
- b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d,
- b) { d.__proto__ = b; }) ||
- function (d,
- b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
- })();
- var SMAIndicator = SeriesRegistry.seriesTypes.sma;
- var extend = U.extend,
- isArray = U.isArray,
- merge = U.merge;
- /**
- * The Stochastic series type.
- *
- * @private
- * @class
- * @name Highcharts.seriesTypes.stochastic
- *
- * @augments Highcharts.Series
- */
- var StochasticIndicator = /** @class */ (function (_super) {
- __extends(StochasticIndicator, _super);
- function StochasticIndicator() {
- var _this = _super !== null && _super.apply(this,
- arguments) || this;
- _this.data = void 0;
- _this.options = void 0;
- _this.points = void 0;
- return _this;
- }
- StochasticIndicator.prototype.init = function () {
- SeriesRegistry.seriesTypes.sma.prototype.init.apply(this, arguments);
- // Set default color for lines:
- this.options = merge({
- smoothedLine: {
- styles: {
- lineColor: this.color
- }
- }
- }, this.options);
- };
- StochasticIndicator.prototype.getValues = function (series, params) {
- var periodK = params.periods[0],
- periodD = params.periods[1],
- xVal = series.xData,
- yVal = series.yData,
- yValLen = yVal ? yVal.length : 0,
- // 0- date, 1-%K, 2-%D
- SO = [],
- xData = [],
- yData = [],
- slicedY,
- close = 3,
- low = 2,
- high = 1,
- CL,
- HL,
- LL,
- K,
- D = null,
- points,
- extremes,
- i;
- // Stochastic requires close value
- if (yValLen < periodK ||
- !isArray(yVal[0]) ||
- yVal[0].length !== 4) {
- return;
- }
- // For a N-period, we start from N-1 point, to calculate Nth point
- // That is why we later need to comprehend slice() elements list
- // with (+1)
- for (i = periodK - 1; i < yValLen; i++) {
- slicedY = yVal.slice(i - periodK + 1, i + 1);
- // Calculate %K
- extremes = ReduceArrayMixin.getArrayExtremes(slicedY, low, high);
- LL = extremes[0]; // Lowest low in %K periods
- CL = yVal[i][close] - LL;
- HL = extremes[1] - LL;
- K = CL / HL * 100;
- xData.push(xVal[i]);
- yData.push([K, null]);
- // Calculate smoothed %D, which is SMA of %K
- if (i >= (periodK - 1) + (periodD - 1)) {
- points = SeriesRegistry.seriesTypes.sma.prototype.getValues.call(this, {
- xData: xData.slice(-periodD),
- yData: yData.slice(-periodD)
- }, {
- period: periodD
- });
- D = points.yData[0];
- }
- SO.push([xVal[i], K, D]);
- yData[yData.length - 1][1] = D;
- }
- return {
- values: SO,
- xData: xData,
- yData: yData
- };
- };
- /**
- * Stochastic oscillator. This series requires the `linkedTo` option to be
- * set and should be loaded after the `stock/indicators/indicators.js` file.
- *
- * @sample stock/indicators/stochastic
- * Stochastic oscillator
- *
- * @extends plotOptions.sma
- * @since 6.0.0
- * @product highstock
- * @excluding allAreas, colorAxis, joinBy, keys, navigatorOptions,
- * pointInterval, pointIntervalUnit, pointPlacement,
- * pointRange, pointStart, showInNavigator, stacking
- * @requires stock/indicators/indicators
- * @requires stock/indicators/stochastic
- * @optionparent plotOptions.stochastic
- */
- StochasticIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
- /**
- * @excluding index, period
- */
- params: {
- // Index and period are unchangeable, do not inherit (#15362)
- index: void 0,
- period: void 0,
- /**
- * Periods for Stochastic oscillator: [%K, %D].
- *
- * @type {Array<number,number>}
- * @default [14, 3]
- */
- periods: [14, 3]
- },
- marker: {
- enabled: false
- },
- tooltip: {
- pointFormat: '<span style="color:{point.color}">\u25CF</span><b> {series.name}</b><br/>%K: {point.y}<br/>%D: {point.smoothed}<br/>'
- },
- /**
- * Smoothed line options.
- */
- smoothedLine: {
- /**
- * Styles for a smoothed line.
- */
- styles: {
- /**
- * Pixel width of the line.
- */
- lineWidth: 1,
- /**
- * Color of the line. If not set, it's inherited from
- * [plotOptions.stochastic.color
- * ](#plotOptions.stochastic.color).
- *
- * @type {Highcharts.ColorString}
- */
- lineColor: void 0
- }
- },
- dataGrouping: {
- approximation: 'averages'
- }
- });
- return StochasticIndicator;
- }(SMAIndicator));
- extend(StochasticIndicator.prototype, {
- nameComponents: ['periods'],
- nameBase: 'Stochastic',
- pointArrayMap: ['y', 'smoothed'],
- parallelArrays: ['x', 'y', 'smoothed'],
- pointValKey: 'y',
- linesApiNames: ['smoothedLine'],
- drawGraph: MultipleLinesMixin.drawGraph,
- getTranslatedLinesNames: MultipleLinesMixin.getTranslatedLinesNames,
- translate: MultipleLinesMixin.translate,
- toYData: MultipleLinesMixin.toYData
- });
- SeriesRegistry.registerSeriesType('stochastic', StochasticIndicator);
- /* *
- *
- * Default Export
- *
- * */
- /**
- * A Stochastic indicator. If the [type](#series.stochastic.type) option is not
- * specified, it is inherited from [chart.type](#chart.type).
- *
- * @extends series,plotOptions.stochastic
- * @since 6.0.0
- * @product highstock
- * @excluding allAreas, colorAxis, dataParser, dataURL, joinBy, keys,
- * navigatorOptions, pointInterval, pointIntervalUnit,
- * pointPlacement, pointRange, pointStart, showInNavigator, stacking
- * @requires stock/indicators/indicators
- * @requires stock/indicators/stochastic
- * @apioption series.stochastic
- */
- ''; // to include the above in the js output
- return StochasticIndicator;
- });
- _registerModule(_modules, 'masters/indicators/stochastic.src.js', [], function () {
- });
- }));
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