190 lines
6.2 KiB
JavaScript
190 lines
6.2 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 Sebastian Bochan
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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/atr', ['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/ATR/ATRIndicator.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 { sma: SMAIndicator } = SeriesRegistry.seriesTypes;
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const { isArray, merge } = U;
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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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// Utils:
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/**
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* @private
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*/
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function accumulateAverage(points, xVal, yVal, i) {
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const xValue = xVal[i], yValue = yVal[i];
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points.push([xValue, yValue]);
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}
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/**
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* @private
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*/
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function getTR(currentPoint, prevPoint) {
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const pointY = currentPoint, prevY = prevPoint, HL = pointY[1] - pointY[2], HCp = typeof prevY === 'undefined' ? 0 : Math.abs(pointY[1] - prevY[3]), LCp = typeof prevY === 'undefined' ? 0 : Math.abs(pointY[2] - prevY[3]), TR = Math.max(HL, HCp, LCp);
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return TR;
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}
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/**
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* @private
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*/
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function populateAverage(points, xVal, yVal, i, period, prevATR) {
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const x = xVal[i - 1], TR = getTR(yVal[i - 1], yVal[i - 2]), y = (((prevATR * (period - 1)) + TR) / period);
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return [x, y];
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}
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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 ATR series type.
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.atr
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*
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* @augments Highcharts.Series
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*/
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class ATRIndicator extends SMAIndicator {
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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 period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, xValue = xVal[0], yValue = yVal[0], points = [[xValue, yValue]], ATR = [], xData = [], yData = [];
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let point, i, prevATR = 0, range = 1, TR = 0;
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if ((xVal.length <= period) ||
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!isArray(yVal[0]) ||
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yVal[0].length !== 4) {
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return;
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}
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for (i = 1; i <= yValLen; i++) {
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accumulateAverage(points, xVal, yVal, i);
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if (period < range) {
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point = populateAverage(points, xVal, yVal, i, period, prevATR);
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prevATR = point[1];
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ATR.push(point);
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xData.push(point[0]);
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yData.push(point[1]);
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}
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else if (period === range) {
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prevATR = TR / (i - 1);
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ATR.push([xVal[i - 1], prevATR]);
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xData.push(xVal[i - 1]);
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yData.push(prevATR);
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range++;
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}
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else {
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TR += getTR(yVal[i - 1], yVal[i - 2]);
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range++;
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}
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}
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return {
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values: ATR,
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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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* Average true range indicator (ATR). This series requires `linkedTo`
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* option to be set.
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*
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* @sample stock/indicators/atr
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* ATR indicator
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*
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* @extends plotOptions.sma
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* @since 6.0.0
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* @product highstock
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* @requires stock/indicators/indicators
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* @requires stock/indicators/atr
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* @optionparent plotOptions.atr
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*/
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ATRIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
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/**
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* @excluding index
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*/
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params: {
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index: void 0 // Unused index, do not inherit (#15362)
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}
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});
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SeriesRegistry.registerSeriesType('atr', ATRIndicator);
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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 `ATR` series. If the [type](#series.atr.type) option is not specified, it
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* is inherited from [chart.type](#chart.type).
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*
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* @extends series,plotOptions.atr
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* @since 6.0.0
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* @product highstock
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* @excluding dataParser, dataURL
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* @requires stock/indicators/indicators
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* @requires stock/indicators/atr
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* @apioption series.atr
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*/
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''; // To include the above in the js output
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return ATRIndicator;
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});
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_registerModule(_modules, 'masters/indicators/atr.src.js', [_modules['Core/Globals.js']], function (Highcharts) {
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return Highcharts;
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});
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})); |