196 lines
7.1 KiB
JavaScript
196 lines
7.1 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 Pawel Lysy
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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/cmo', ['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/CMO/CMOIndicator.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 { isNumber, merge } = U;
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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 CMO series type.
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.cmo
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*
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* @augments Highcharts.Series
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*/
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class CMOIndicator 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, CMO = [], xData = [], yData = [];
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let i, index = params.index, values;
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if (xVal.length < period) {
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return;
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}
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if (isNumber(yVal[0])) {
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values = yVal;
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}
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else {
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// In case of the situation, where the series type has data length
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// shorter then 4 (HLC, range), this ensures that we are not trying
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// to reach the index out of bounds
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index = Math.min(index, yVal[0].length - 1);
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values = yVal.map((value) => value[index]);
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}
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let firstAddedSum = 0, sumOfHigherValues = 0, sumOfLowerValues = 0, y;
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// Calculate first point, check if the first value
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// was added to sum of higher/lower values, and what was the value.
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for (let j = period; j > 0; j--) {
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if (values[j] > values[j - 1]) {
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sumOfHigherValues += values[j] - values[j - 1];
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}
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else if (values[j] < values[j - 1]) {
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sumOfLowerValues += values[j - 1] - values[j];
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}
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}
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// You might divide by 0 if all values are equal,
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// so return 0 in this case.
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y =
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sumOfHigherValues + sumOfLowerValues > 0 ?
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(100 * (sumOfHigherValues - sumOfLowerValues)) /
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(sumOfHigherValues + sumOfLowerValues) :
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0;
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xData.push(xVal[period]);
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yData.push(y);
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CMO.push([xVal[period], y]);
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for (i = period + 1; i < yValLen; i++) {
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firstAddedSum = Math.abs(values[i - period - 1] - values[i - period]);
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if (values[i] > values[i - 1]) {
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sumOfHigherValues += values[i] - values[i - 1];
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}
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else if (values[i] < values[i - 1]) {
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sumOfLowerValues += values[i - 1] - values[i];
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}
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// Check, to which sum was the first value added to,
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// and subtract this value from given sum.
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if (values[i - period] > values[i - period - 1]) {
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sumOfHigherValues -= firstAddedSum;
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}
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else {
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sumOfLowerValues -= firstAddedSum;
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}
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// Same as above.
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y =
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sumOfHigherValues + sumOfLowerValues > 0 ?
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(100 * (sumOfHigherValues - sumOfLowerValues)) /
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(sumOfHigherValues + sumOfLowerValues) :
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0;
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xData.push(xVal[i]);
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yData.push(y);
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CMO.push([xVal[i], y]);
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}
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return {
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values: CMO,
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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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* Chande Momentum Oscilator (CMO) technical indicator. This series
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* requires the `linkedTo` option to be set and should be loaded after
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* the `stock/indicators/indicators.js` file.
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*
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* @sample stock/indicators/cmo
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* CMO indicator
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*
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* @extends plotOptions.sma
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* @since 9.1.0
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* @product highstock
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* @requires stock/indicators/indicators
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* @requires stock/indicators/cmo
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* @optionparent plotOptions.cmo
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*/
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CMOIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
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params: {
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period: 20,
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index: 3
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}
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});
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SeriesRegistry.registerSeriesType('cmo', CMOIndicator);
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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 `CMO` series. If the [type](#series.cmo.type) option is not
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* specified, it is inherited from [chart.type](#chart.type).
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*
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* @extends series,plotOptions.cmo
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* @since 9.1.0
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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/cmo
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* @apioption series.cmo
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*/
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(''); // To include the above in the js output
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return CMOIndicator;
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});
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_registerModule(_modules, 'masters/indicators/cmo.src.js', [_modules['Core/Globals.js']], function (Highcharts) {
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return Highcharts;
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});
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})); |