189 lines
6.5 KiB
JavaScript
189 lines
6.5 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/ppo', ['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/PPO/PPOIndicator.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 { 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 PPO series type.
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.ppo
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*
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* @augments Highcharts.Series
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*/
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class PPOIndicator 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, index = params.index,
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// 0- date, 1- Percentage Price Oscillator
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PPO = [], 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: "PPO requires two periods. Notice, first period ' +
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'should be lower than the second one."');
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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, series, {
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index: index,
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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, series, {
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index: index,
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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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LPE.yData[i] *
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100);
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PPO.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: PPO,
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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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* Percentage Price Oscillator. This series requires the
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* `linkedTo` option to be set and should be loaded after the
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* `stock/indicators/indicators.js`.
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*
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* @sample {highstock} stock/indicators/ppo
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* Percentage Price 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/ppo
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* @optionparent plotOptions.ppo
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*/
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PPOIndicator.defaultOptions = merge(EMAIndicator.defaultOptions, {
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/**
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* Parameters used in calculation of Percentage Price Oscillator series
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* points.
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*
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* @excluding period
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*/
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params: {
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period: void 0,
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/**
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* Periods for Percentage Price Oscillator calculations.
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*
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* @type {Array<number>}
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* @default [12, 26]
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*/
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periods: [12, 26]
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}
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});
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extend(PPOIndicator.prototype, {
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nameBase: 'PPO',
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nameComponents: ['periods']
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});
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SeriesRegistry.registerSeriesType('ppo', PPOIndicator);
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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 `Percentage Price Oscillator` series. If the [type](#series.ppo.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.ppo
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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, showInNavigator, stacking
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* @requires stock/indicators/indicators
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* @requires stock/indicators/ppo
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* @apioption series.ppo
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*/
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''; // To include the above in the js output
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return PPOIndicator;
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});
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_registerModule(_modules, 'masters/indicators/ppo.src.js', [_modules['Core/Globals.js']], function (Highcharts) {
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return Highcharts;
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});
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})); |