346 lines
12 KiB
JavaScript
346 lines
12 KiB
JavaScript
/**
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* @license Highstock JS v11.4.1 (2024-04-04)
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*
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* Indicator series type for Highcharts Stock
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*
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* (c) 2010-2024 Wojciech Chmiel
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*
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* License: www.highcharts.com/license
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*/
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(function (factory) {
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if (typeof module === 'object' && module.exports) {
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factory['default'] = factory;
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module.exports = factory;
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} else if (typeof define === 'function' && define.amd) {
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define('highcharts/indicators/chaikin', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
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factory(Highcharts);
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factory.Highcharts = Highcharts;
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return factory;
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});
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} else {
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factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
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}
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}(function (Highcharts) {
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'use strict';
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var _modules = Highcharts ? Highcharts._modules : {};
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function _registerModule(obj, path, args, fn) {
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if (!obj.hasOwnProperty(path)) {
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obj[path] = fn.apply(null, args);
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if (typeof CustomEvent === 'function') {
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window.dispatchEvent(new CustomEvent(
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'HighchartsModuleLoaded',
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{ detail: { path: path, module: obj[path] } }
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));
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}
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}
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}
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_registerModule(_modules, 'Stock/Indicators/AD/ADIndicator.js', [_modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (SeriesRegistry, U) {
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/* *
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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* */
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const { sma: SMAIndicator } = SeriesRegistry.seriesTypes;
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const { error, extend, merge } = U;
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/* *
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*
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* Class
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*
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* */
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/**
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* The AD series type.
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.ad
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*
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* @augments Highcharts.Series
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*/
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class ADIndicator extends SMAIndicator {
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/* *
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*
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* Static Functions
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*
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* */
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static populateAverage(xVal, yVal, yValVolume, i,
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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_period) {
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const high = yVal[i][1], low = yVal[i][2], close = yVal[i][3], volume = yValVolume[i], adY = close === high && close === low || high === low ?
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0 :
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((2 * close - low - high) / (high - low)) * volume, adX = xVal[i];
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return [adX, adY];
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}
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/* *
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*
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* Functions
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*
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* */
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getValues(series, params) {
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const period = params.period, xVal = series.xData, yVal = series.yData, volumeSeriesID = params.volumeSeriesID, volumeSeries = series.chart.get(volumeSeriesID), yValVolume = volumeSeries && volumeSeries.yData, yValLen = yVal ? yVal.length : 0, AD = [], xData = [], yData = [];
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let len, i, ADPoint;
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if (xVal.length <= period &&
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yValLen &&
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yVal[0].length !== 4) {
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return;
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}
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if (!volumeSeries) {
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error('Series ' +
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volumeSeriesID +
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' not found! Check `volumeSeriesID`.', true, series.chart);
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return;
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}
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// When i = period <-- skip first N-points
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// Calculate value one-by-one for each period in visible data
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for (i = period; i < yValLen; i++) {
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len = AD.length;
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ADPoint = ADIndicator.populateAverage(xVal, yVal, yValVolume, i, period);
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if (len > 0) {
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ADPoint[1] += AD[len - 1][1];
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}
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AD.push(ADPoint);
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xData.push(ADPoint[0]);
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yData.push(ADPoint[1]);
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}
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return {
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values: AD,
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xData: xData,
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yData: yData
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};
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}
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}
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/* *
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*
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* Static Properties
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*
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* */
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/**
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* Accumulation Distribution (AD). This series requires `linkedTo` option to
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* be set.
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*
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* @sample stock/indicators/accumulation-distribution
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* Accumulation/Distribution indicator
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*
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* @extends plotOptions.sma
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* @since 6.0.0
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* @product highstock
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* @requires stock/indicators/indicators
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* @requires stock/indicators/accumulation-distribution
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* @optionparent plotOptions.ad
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*/
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ADIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
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/**
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* @excluding index
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*/
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params: {
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index: void 0,
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/**
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* The id of volume series which is mandatory.
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* For example using OHLC data, volumeSeriesID='volume' means
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* the indicator will be calculated using OHLC and volume values.
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*
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* @since 6.0.0
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*/
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volumeSeriesID: 'volume'
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}
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});
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extend(ADIndicator.prototype, {
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nameComponents: false,
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nameBase: 'Accumulation/Distribution'
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});
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SeriesRegistry.registerSeriesType('ad', ADIndicator);
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/* *
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*
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* Default Export
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*
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* */
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/* *
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*
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* API Options
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*
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* */
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/**
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* A `AD` series. If the [type](#series.ad.type) option is not
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* specified, it is inherited from [chart.type](#chart.type).
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*
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* @extends series,plotOptions.ad
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* @since 6.0.0
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* @excluding dataParser, dataURL
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* @product highstock
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* @requires stock/indicators/indicators
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* @requires stock/indicators/accumulation-distribution
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* @apioption series.ad
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*/
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''; // Add doclet above to transpiled file
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return ADIndicator;
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});
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_registerModule(_modules, 'Stock/Indicators/Chaikin/ChaikinIndicator.js', [_modules['Stock/Indicators/AD/ADIndicator.js'], _modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (AD, SeriesRegistry, U) {
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/* *
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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const { ema: EMAIndicator } = SeriesRegistry.seriesTypes;
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const { correctFloat, extend, merge, error } = U;
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/* *
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*
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* Class
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*
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* */
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/**
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* The Chaikin series type.
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.chaikin
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*
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* @augments Highcharts.Series
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*/
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class ChaikinIndicator extends EMAIndicator {
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/* *
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*
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* Functions
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*
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* */
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getValues(series, params) {
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const periods = params.periods, period = params.period,
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// 0- date, 1- Chaikin Oscillator
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CHA = [], xData = [], yData = [];
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let oscillator, i;
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// Check if periods are correct
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if (periods.length !== 2 || periods[1] <= periods[0]) {
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error('Error: "Chaikin requires two periods. Notice, first ' +
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'period should be lower than the second one."');
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return;
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}
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// Accumulation Distribution Line data
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const ADL = AD.prototype.getValues.call(this, series, {
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volumeSeriesID: params.volumeSeriesID,
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period: period
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});
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// Check if adl is calculated properly, if not skip
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if (!ADL) {
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return;
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}
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// Shorter Period EMA
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const SPE = super.getValues.call(this, ADL, {
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period: periods[0]
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});
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// Longer Period EMA
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const LPE = super.getValues.call(this, ADL, {
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period: periods[1]
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});
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// Check if ema is calculated properly, if not skip
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if (!SPE || !LPE) {
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return;
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}
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const periodsOffset = periods[1] - periods[0];
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for (i = 0; i < LPE.yData.length; i++) {
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oscillator = correctFloat(SPE.yData[i + periodsOffset] -
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LPE.yData[i]);
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CHA.push([LPE.xData[i], oscillator]);
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xData.push(LPE.xData[i]);
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yData.push(oscillator);
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}
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return {
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values: CHA,
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xData: xData,
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yData: yData
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};
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}
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}
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/* *
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*
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* Static Properties
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*
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* */
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/**
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* Chaikin Oscillator. This series requires the `linkedTo` option to
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* be set and should be loaded after the `stock/indicators/indicators.js`.
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*
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* @sample {highstock} stock/indicators/chaikin
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* Chaikin Oscillator
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*
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* @extends plotOptions.ema
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* @since 7.0.0
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* @product highstock
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* @excluding allAreas, colorAxis, joinBy, keys, navigatorOptions,
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* pointInterval, pointIntervalUnit, pointPlacement,
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* pointRange, pointStart, showInNavigator, stacking
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* @requires stock/indicators/indicators
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* @requires stock/indicators/chaikin
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* @optionparent plotOptions.chaikin
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*/
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ChaikinIndicator.defaultOptions = merge(EMAIndicator.defaultOptions, {
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/**
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* Parameters used in calculation of Chaikin Oscillator
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* series points.
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*
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* @excluding index
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*/
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params: {
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index: void 0,
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/**
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* The id of volume series which is mandatory.
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* For example using OHLC data, volumeSeriesID='volume' means
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* the indicator will be calculated using OHLC and volume values.
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*/
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volumeSeriesID: 'volume',
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/**
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* Parameter used indirectly for calculating the `AD` indicator.
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* Decides about the number of data points that are taken
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* into account for the indicator calculations.
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*/
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period: 9,
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/**
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* Periods for Chaikin Oscillator calculations.
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*
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* @type {Array<number>}
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* @default [3, 10]
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*/
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periods: [3, 10]
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}
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});
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extend(ChaikinIndicator.prototype, {
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nameBase: 'Chaikin Osc',
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nameComponents: ['periods']
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});
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SeriesRegistry.registerSeriesType('chaikin', ChaikinIndicator);
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/* *
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*
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* Default Export
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*
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* */
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/* *
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*
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* API Options
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*
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* */
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/**
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* A `Chaikin Oscillator` series. If the [type](#series.chaikin.type)
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* option is not specified, it is inherited from [chart.type](#chart.type).
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*
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* @extends series,plotOptions.chaikin
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* @since 7.0.0
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* @product highstock
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* @excluding allAreas, colorAxis, dataParser, dataURL, joinBy, keys,
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* navigatorOptions, pointInterval, pointIntervalUnit,
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* pointPlacement, pointRange, pointStart, stacking, showInNavigator
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* @requires stock/indicators/indicators
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* @requires stock/indicators/chaikin
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* @apioption series.chaikin
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*/
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''; // To include the above in the js output
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return ChaikinIndicator;
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});
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_registerModule(_modules, 'masters/indicators/chaikin.src.js', [_modules['Core/Globals.js']], function (Highcharts) {
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return Highcharts;
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});
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})); |