194 lines
7.3 KiB
JavaScript
194 lines
7.3 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 Highstock
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*
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* (c) 2010-2024 Rafal Sebestjanski
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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/disparity-index', ['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/DisparityIndex/DisparityIndexIndicator.js', [_modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (SeriesRegistry, U) {
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/* *
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* (c) 2010-2024 Rafal Sebestjanski
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*
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* Disparity Index technical indicator for Highcharts Stock
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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 { sma: SMAIndicator } = SeriesRegistry.seriesTypes;
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const { correctFloat, defined, extend, isArray, 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 Disparity Index series type.
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.disparityindex
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*
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* @augments Highcharts.Series
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*/
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class DisparityIndexIndicator extends SMAIndicator {
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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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init() {
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const args = arguments, ctx = this, // Disparity Index indicator
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params = args[1].params, // Options.params
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averageType = params && params.average ? params.average : void 0;
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ctx.averageIndicator = SeriesRegistry
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.seriesTypes[averageType] || SMAIndicator;
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ctx.averageIndicator.prototype.init.apply(ctx, args);
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}
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calculateDisparityIndex(curPrice, periodAverage) {
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return correctFloat(curPrice - periodAverage) / periodAverage * 100;
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}
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getValues(series, params) {
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const index = params.index, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, disparityIndexPoint = [], xData = [], yData = [],
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// "as any" because getValues doesn't exist on typeof Series
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averageIndicator = this.averageIndicator, isOHLC = isArray(yVal[0]),
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// Get the average indicator's values
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values = averageIndicator.prototype.getValues(series, params), yValues = values.yData, start = xVal.indexOf(values.xData[0]);
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// Check period, if bigger than points length, skip
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if (!yValues || yValues.length === 0 ||
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!defined(index) ||
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yVal.length <= start) {
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return;
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}
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// Get the Disparity Index indicator's values
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for (let i = start; i < yValLen; i++) {
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const disparityIndexValue = this.calculateDisparityIndex(isOHLC ? yVal[i][index] : yVal[i], yValues[i - start]);
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disparityIndexPoint.push([
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xVal[i],
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disparityIndexValue
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]);
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xData.push(xVal[i]);
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yData.push(disparityIndexValue);
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}
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return {
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values: disparityIndexPoint,
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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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* Disparity Index.
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* This series requires the `linkedTo` option to be set and should
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* be loaded after the `stock/indicators/indicators.js` file.
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*
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* @sample stock/indicators/disparity-index
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* Disparity Index indicator
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*
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* @extends plotOptions.sma
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* @since 9.1.0
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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/disparity-index
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* @optionparent plotOptions.disparityindex
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*/
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DisparityIndexIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
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params: {
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/**
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* The average used to calculate the Disparity Index indicator.
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* By default it uses SMA, with EMA as an option. To use other
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* averages, e.g. TEMA, the `stock/indicators/tema.js` file needs to
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* be loaded.
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*
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* If value is different than `ema`, `dema`, `tema` or `wma`,
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* then sma is used.
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*/
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average: 'sma',
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index: 3
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},
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marker: {
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enabled: false
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},
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dataGrouping: {
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approximation: 'averages'
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}
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});
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extend(DisparityIndexIndicator.prototype, {
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nameBase: 'Disparity Index',
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nameComponents: ['period', 'average']
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});
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SeriesRegistry.registerSeriesType('disparityindex', DisparityIndexIndicator);
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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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* The Disparity Index indicator series.
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* If the [type](#series.disparityindex.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.disparityindex
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* @since 9.1.0
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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, showInNavigator, stacking
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* @requires stock/indicators/indicators
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* @requires stock/indicators/disparity-index
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* @apioption series.disparityindex
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*/
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''; // To include the above in the js output
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return DisparityIndexIndicator;
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});
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_registerModule(_modules, 'masters/indicators/disparity-index.src.js', [_modules['Core/Globals.js']], function (Highcharts) {
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return Highcharts;
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});
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})); |