166 lines
5.3 KiB
JavaScript
166 lines
5.3 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 Highcharts Stock
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*
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* (c) 2010-2024 Sebastian Bochan
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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/momentum', ['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/Momentum/MomentumIndicator.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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* */
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const { sma: SMAIndicator } = SeriesRegistry.seriesTypes;
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const { extend, isArray, merge } = U;
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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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/**
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* @private
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*/
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function populateAverage(xVal, yVal, i, period, index) {
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const mmY = yVal[i - 1][index] - yVal[i - period - 1][index], mmX = xVal[i - 1];
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return [mmX, mmY];
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}
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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 Momentum series type.
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.momentum
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*
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* @augments Highcharts.Series
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*/
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class MomentumIndicator 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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getValues(series, params) {
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const period = params.period, index = params.index, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, MM = [], xData = [], yData = [];
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let i, MMPoint;
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if (xVal.length <= period) {
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return;
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}
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// Switch index for OHLC / Candlestick / Arearange
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if (!isArray(yVal[0])) {
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return;
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}
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// Calculate value one-by-one for each period in visible data
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for (i = (period + 1); i < yValLen; i++) {
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MMPoint = populateAverage(xVal, yVal, i, period, index);
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MM.push(MMPoint);
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xData.push(MMPoint[0]);
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yData.push(MMPoint[1]);
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}
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MMPoint = populateAverage(xVal, yVal, i, period, index);
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MM.push(MMPoint);
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xData.push(MMPoint[0]);
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yData.push(MMPoint[1]);
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return {
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values: MM,
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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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* Momentum. This series requires `linkedTo` option to be set.
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*
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* @sample stock/indicators/momentum
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* Momentum 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/momentum
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* @optionparent plotOptions.momentum
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*/
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MomentumIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
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params: {
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index: 3
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}
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});
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extend(MomentumIndicator.prototype, {
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nameBase: 'Momentum'
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});
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SeriesRegistry.registerSeriesType('momentum', MomentumIndicator);
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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 `Momentum` series. If the [type](#series.momentum.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.momentum
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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/momentum
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* @apioption series.momentum
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*/
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''; // To include the above in the js output
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return MomentumIndicator;
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});
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_registerModule(_modules, 'masters/indicators/momentum.src.js', [_modules['Core/Globals.js']], function (Highcharts) {
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return Highcharts;
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});
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})); |