/** * @license Highstock JS v9.1.1 (2021-06-04) * * Indicator series type for Highcharts Stock * * (c) 2010-2021 Wojciech Chmiel * * License: www.highcharts.com/license */ 'use strict'; (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) { var _modules = Highcharts ? Highcharts._modules : {}; function _registerModule(obj, path, args, fn) { if (!obj.hasOwnProperty(path)) { obj[path] = fn.apply(null, args); } } _registerModule(_modules, 'Mixins/ReduceArray.js', [], function () { /** * * (c) 2010-2021 Pawel Fus & Daniel Studencki * * License: www.highcharts.com/license * * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!! * * */ var reduceArrayMixin = { /** * Get min value of array filled by OHLC data. * @private * @param {Array<*>} arr Array of OHLC points (arrays). * @param {string} index Index of "low" value in point array. * @return {number} Returns min value. */ minInArray: function (arr, index) { return arr.reduce(function (min, target) { return Math.min(min, target[index]); }, Number.MAX_VALUE); }, /** * Get max value of array filled by OHLC data. * @private * @param {Array<*>} arr Array of OHLC points (arrays). * @param {string} index Index of "high" value in point array. * @return {number} Returns max value. */ maxInArray: function (arr, index) { return arr.reduce(function (max, target) { return Math.max(max, target[index]); }, -Number.MAX_VALUE); }, /** * Get extremes of array filled by OHLC data. * @private * @param {Array<*>} arr Array of OHLC points (arrays). * @param {string} minIndex Index of "low" value in point array. * @param {string} maxIndex Index of "high" value in point array. * @return {Array} Returns array with min and max value. */ getArrayExtremes: function (arr, minIndex, maxIndex) { return arr.reduce(function (prev, target) { return [ Math.min(prev[0], target[minIndex]), Math.max(prev[1], target[maxIndex]) ]; }, [Number.MAX_VALUE, -Number.MAX_VALUE]); } }; return reduceArrayMixin; }); _registerModule(_modules, 'Stock/Indicators/WilliamsR/WilliamsRIndicator.js', [_modules['Mixins/ReduceArray.js'], _modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (ReduceArrayMixin, SeriesRegistry, U) { /* * * * License: www.highcharts.com/license * * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!! * * */ var __extends = (this && this.__extends) || (function () { var extendStatics = function (d, b) { extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; return extendStatics(d, b); }; return function (d, b) { extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; })(); var getArrayExtremes = ReduceArrayMixin.getArrayExtremes; var SMAIndicator = SeriesRegistry.seriesTypes.sma; var extend = U.extend, isArray = U.isArray, merge = U.merge; /** * The Williams %R series type. * * @private * @class * @name Highcharts.seriesTypes.williamsr * * @augments Highcharts.Series */ var WilliamsRIndicator = /** @class */ (function (_super) { __extends(WilliamsRIndicator, _super); function WilliamsRIndicator() { var _this = _super !== null && _super.apply(this, arguments) || this; _this.data = void 0; _this.options = void 0; _this.points = void 0; return _this; } WilliamsRIndicator.prototype.getValues = function (series, params) { var period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, WR = [], // 0- date, 1- Williams %R xData = [], yData = [], slicedY, close = 3, low = 2, high = 1, 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 = 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 }; }; /** * 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, { /** * Paramters used in calculation of Williams %R series points. * @excluding index */ params: { index: void 0, /** * Period for Williams %R oscillator */ period: 14 } }); return WilliamsRIndicator; }(SMAIndicator)); extend(WilliamsRIndicator.prototype, { nameBase: 'Williams %R' }); SeriesRegistry.registerSeriesType('williamsr', WilliamsRIndicator); /* * * * Default Export * * */ /** * 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', [], function () { }); }));