/** * @license Highstock JS v8.2.0 (2020-08-20) * * Indicator series type for Highstock * * (c) 2010-2019 Sebastian Bochan * * 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/atr', ['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, 'Stock/Indicators/ATRIndicator.js', [_modules['Core/Utilities.js']], function (U) { /* * * * License: www.highcharts.com/license * * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!! * * */ var isArray = U.isArray, seriesType = U.seriesType; var UNDEFINED; /* eslint-disable valid-jsdoc */ // Utils: /** * @private */ function accumulateAverage(points, xVal, yVal, i) { var xValue = xVal[i], yValue = yVal[i]; points.push([xValue, yValue]); } /** * @private */ function getTR(currentPoint, prevPoint) { var pointY = currentPoint, prevY = prevPoint, HL = pointY[1] - pointY[2], HCp = prevY === UNDEFINED ? 0 : Math.abs(pointY[1] - prevY[3]), LCp = prevY === UNDEFINED ? 0 : Math.abs(pointY[2] - prevY[3]), TR = Math.max(HL, HCp, LCp); return TR; } /** * @private */ function populateAverage(points, xVal, yVal, i, period, prevATR) { var x = xVal[i - 1], TR = getTR(yVal[i - 1], yVal[i - 2]), y; y = (((prevATR * (period - 1)) + TR) / period); return [x, y]; } /* eslint-enable valid-jsdoc */ /** * The ATR series type. * * @private * @class * @name Highcharts.seriesTypes.atr * * @augments Highcharts.Series */ seriesType('atr', 'sma', /** * Average true range indicator (ATR). This series requires `linkedTo` * option to be set. * * @sample stock/indicators/atr * ATR indicator * * @extends plotOptions.sma * @since 6.0.0 * @product highstock * @requires stock/indicators/indicators * @requires stock/indicators/atr * @optionparent plotOptions.atr */ { params: { period: 14 } }, /** * @lends Highcharts.Series# */ { getValues: function (series, params) { var period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, xValue = xVal[0], yValue = yVal[0], range = 1, prevATR = 0, TR = 0, ATR = [], xData = [], yData = [], point, i, points; points = [[xValue, yValue]]; if ((xVal.length <= period) || !isArray(yVal[0]) || yVal[0].length !== 4) { return; } for (i = 1; i <= yValLen; i++) { accumulateAverage(points, xVal, yVal, i); if (period < range) { point = populateAverage(points, xVal, yVal, i, period, prevATR); prevATR = point[1]; ATR.push(point); xData.push(point[0]); yData.push(point[1]); } else if (period === range) { prevATR = TR / (i - 1); ATR.push([xVal[i - 1], prevATR]); xData.push(xVal[i - 1]); yData.push(prevATR); range++; } else { TR += getTR(yVal[i - 1], yVal[i - 2]); range++; } } return { values: ATR, xData: xData, yData: yData }; } }); /** * A `ATR` series. If the [type](#series.atr.type) option is not specified, it * is inherited from [chart.type](#chart.type). * * @extends series,plotOptions.atr * @since 6.0.0 * @product highstock * @excluding dataParser, dataURL * @requires stock/indicators/indicators * @requires stock/indicators/atr * @apioption series.atr */ ''; // to include the above in the js output }); _registerModule(_modules, 'masters/indicators/atr.src.js', [], function () { }); }));