/** * @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/williams-r', ['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/ArrayUtilities.js', [], function () { /** * * (c) 2010-2024 Pawel Fus & Daniel Studencki * * License: www.highcharts.com/license * * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!! * * */ /* * * * Functions * * */ /** * Get extremes of array filled by OHLC data. * * @private * * @param {Array>} arr * Array of OHLC points (arrays). * * @param {number} minIndex * Index of "low" value in point array. * * @param {number} maxIndex * Index of "high" value in point array. * * @return {Array} * Returns array with min and max value. */ function getArrayExtremes(arr, minIndex, maxIndex) { return arr.reduce((prev, target) => [ Math.min(prev[0], target[minIndex]), Math.max(prev[1], target[maxIndex]) ], [Number.MAX_VALUE, -Number.MAX_VALUE]); } /* * * * Default Export * * */ const ArrayUtilities = { getArrayExtremes }; return ArrayUtilities; }); _registerModule(_modules, 'Stock/Indicators/WilliamsR/WilliamsRIndicator.js', [_modules['Stock/Indicators/ArrayUtilities.js'], _modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (AU, SeriesRegistry, U) { /* * * * License: www.highcharts.com/license * * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!! * * */ const { sma: SMAIndicator } = SeriesRegistry.seriesTypes; const { extend, isArray, merge } = U; /* * * * Class * * */ /** * The Williams %R series type. * * @private * @class * @name Highcharts.seriesTypes.williamsr * * @augments Highcharts.Series */ class WilliamsRIndicator extends SMAIndicator { /* * * * Functions * * */ getValues(series, params) { const period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, WR = [], // 0- date, 1- Williams %R xData = [], yData = [], close = 3, low = 2, high = 1; let slicedY, extremes, R, HH, // Highest high value in period LL, // Lowest low value in period CC, // Current close value i; // Williams %R requires close value if (xVal.length < period || !isArray(yVal[0]) || yVal[0].length !== 4) { return; } // For a N-period, we start from N-1 point, to calculate Nth point // That is why we later need to comprehend slice() elements list // with (+1) for (i = period - 1; i < yValLen; i++) { slicedY = yVal.slice(i - period + 1, i + 1); extremes = AU.getArrayExtremes(slicedY, low, high); LL = extremes[0]; HH = extremes[1]; CC = yVal[i][close]; R = ((HH - CC) / (HH - LL)) * -100; if (xVal[i]) { WR.push([xVal[i], R]); xData.push(xVal[i]); yData.push(R); } } return { values: WR, xData: xData, yData: yData }; } } /* * * * Static Properties * * */ /** * Williams %R. This series requires the `linkedTo` option to be * set and should be loaded after the `stock/indicators/indicators.js`. * * @sample {highstock} stock/indicators/williams-r * Williams %R * * @extends plotOptions.sma * @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/williams-r * @optionparent plotOptions.williamsr */ WilliamsRIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, { /** * Parameters used in calculation of Williams %R series points. * @excluding index */ params: { index: void 0, /** * Period for Williams %R oscillator */ period: 14 } }); extend(WilliamsRIndicator.prototype, { nameBase: 'Williams %R' }); SeriesRegistry.registerSeriesType('williamsr', WilliamsRIndicator); /* * * * Default Export * * */ /* * * * API Options * * */ /** * A `Williams %R Oscillator` series. If the [type](#series.williamsr.type) * option is not specified, it is inherited from [chart.type](#chart.type). * * @extends series,plotOptions.williamsr * @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/williams-r * @apioption series.williamsr */ ''; // Adds doclets above to the transpiled file return WilliamsRIndicator; }); _registerModule(_modules, 'masters/indicators/williams-r.src.js', [_modules['Core/Globals.js']], function (Highcharts) { return Highcharts; }); }));