/** * @license Highstock JS v11.4.1 (2024-04-04) * * Indicator series type for Highcharts Stock * * (c) 2010-2024 Wojciech Chmiel * * License: www.highcharts.com/license */ (function (factory) { if (typeof module === 'object' && module.exports) { factory['default'] = factory; module.exports = factory; } else if (typeof define === 'function' && define.amd) { define('highcharts/indicators/ppo', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) { factory(Highcharts); factory.Highcharts = Highcharts; return factory; }); } else { factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined); } }(function (Highcharts) { 'use strict'; var _modules = Highcharts ? Highcharts._modules : {}; function _registerModule(obj, path, args, fn) { if (!obj.hasOwnProperty(path)) { obj[path] = fn.apply(null, args); if (typeof CustomEvent === 'function') { window.dispatchEvent(new CustomEvent( 'HighchartsModuleLoaded', { detail: { path: path, module: obj[path] } } )); } } } _registerModule(_modules, 'Stock/Indicators/PPO/PPOIndicator.js', [_modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (SeriesRegistry, U) { /* * * * License: www.highcharts.com/license * * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!! * * */ const { ema: EMAIndicator } = SeriesRegistry.seriesTypes; const { correctFloat, extend, merge, error } = U; /* * * * Class * * */ /** * The PPO series type. * * @private * @class * @name Highcharts.seriesTypes.ppo * * @augments Highcharts.Series */ class PPOIndicator extends EMAIndicator { /* * * * Functions * * */ getValues(series, params) { const periods = params.periods, index = params.index, // 0- date, 1- Percentage Price Oscillator PPO = [], xData = [], yData = []; let oscillator, i; // Check if periods are correct if (periods.length !== 2 || periods[1] <= periods[0]) { error('Error: "PPO requires two periods. Notice, first period ' + 'should be lower than the second one."'); return; } // Shorter Period EMA const SPE = super.getValues.call(this, series, { index: index, period: periods[0] }); // Longer Period EMA const LPE = super.getValues.call(this, series, { index: index, period: periods[1] }); // Check if ema is calculated properly, if not skip if (!SPE || !LPE) { return; } const periodsOffset = periods[1] - periods[0]; for (i = 0; i < LPE.yData.length; i++) { oscillator = correctFloat((SPE.yData[i + periodsOffset] - LPE.yData[i]) / LPE.yData[i] * 100); PPO.push([LPE.xData[i], oscillator]); xData.push(LPE.xData[i]); yData.push(oscillator); } return { values: PPO, xData: xData, yData: yData }; } } /* * * * Static Properties * * */ /** * Percentage Price Oscillator. This series requires the * `linkedTo` option to be set and should be loaded after the * `stock/indicators/indicators.js`. * * @sample {highstock} stock/indicators/ppo * Percentage Price Oscillator * * @extends plotOptions.ema * @since 7.0.0 * @product highstock * @excluding allAreas, colorAxis, joinBy, keys, navigatorOptions, * pointInterval, pointIntervalUnit, pointPlacement, * pointRange, pointStart, showInNavigator, stacking * @requires stock/indicators/indicators * @requires stock/indicators/ppo * @optionparent plotOptions.ppo */ PPOIndicator.defaultOptions = merge(EMAIndicator.defaultOptions, { /** * Parameters used in calculation of Percentage Price Oscillator series * points. * * @excluding period */ params: { period: void 0, /** * Periods for Percentage Price Oscillator calculations. * * @type {Array} * @default [12, 26] */ periods: [12, 26] } }); extend(PPOIndicator.prototype, { nameBase: 'PPO', nameComponents: ['periods'] }); SeriesRegistry.registerSeriesType('ppo', PPOIndicator); /* * * * Default Export * * */ /* * * * API Options * * */ /** * A `Percentage Price Oscillator` series. If the [type](#series.ppo.type) * option is not specified, it is inherited from [chart.type](#chart.type). * * @extends series,plotOptions.ppo * @since 7.0.0 * @product highstock * @excluding allAreas, colorAxis, dataParser, dataURL, joinBy, keys, * navigatorOptions, pointInterval, pointIntervalUnit, * pointPlacement, pointRange, pointStart, showInNavigator, stacking * @requires stock/indicators/indicators * @requires stock/indicators/ppo * @apioption series.ppo */ ''; // To include the above in the js output return PPOIndicator; }); _registerModule(_modules, 'masters/indicators/ppo.src.js', [_modules['Core/Globals.js']], function (Highcharts) { return Highcharts; }); }));