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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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'use strict';
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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import AD from '../AD/ADIndicator.js'; // For historic reasons, AD is built into Chaikin
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import SeriesRegistry from '../../../Core/Series/SeriesRegistry.js';
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var EMAIndicator = SeriesRegistry.seriesTypes.ema;
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import U from '../../../Core/Utilities.js';
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var correctFloat = U.correctFloat, extend = U.extend, merge = U.merge, error = U.error;
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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 Chaikin series type.
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.chaikin
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*
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* @augments Highcharts.Series
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*/
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var ChaikinIndicator = /** @class */ (function (_super) {
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__extends(ChaikinIndicator, _super);
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function ChaikinIndicator() {
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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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var _this = _super !== null && _super.apply(this, arguments) || this;
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/* *
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*
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* Properties
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*
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* */
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_this.data = void 0;
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_this.options = void 0;
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_this.points = void 0;
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return _this;
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}
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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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ChaikinIndicator.prototype.getValues = function (series, params) {
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var periods = params.periods, period = params.period,
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// Accumulation Distribution Line data
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ADL,
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// 0- date, 1- Chaikin Oscillator
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CHA = [], xData = [], yData = [], periodsOffset,
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// Shorter Period EMA
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SPE,
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// Longer Period EMA
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LPE, oscillator, i;
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// Check if periods are correct
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if (periods.length !== 2 || periods[1] <= periods[0]) {
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error('Error: "Chaikin requires two periods. Notice, first ' +
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'period should be lower than the second one."');
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return;
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}
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ADL = AD.prototype.getValues.call(this, series, {
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volumeSeriesID: params.volumeSeriesID,
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period: period
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});
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// Check if adl is calculated properly, if not skip
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if (!ADL) {
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return;
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}
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SPE = EMAIndicator.prototype.getValues.call(this, ADL, {
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period: periods[0]
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});
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LPE = EMAIndicator.prototype.getValues.call(this, ADL, {
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period: periods[1]
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});
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// Check if ema is calculated properly, if not skip
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if (!SPE || !LPE) {
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return;
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}
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periodsOffset = periods[1] - periods[0];
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for (i = 0; i < LPE.yData.length; i++) {
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oscillator = correctFloat(SPE.yData[i + periodsOffset] -
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LPE.yData[i]);
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CHA.push([LPE.xData[i], oscillator]);
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xData.push(LPE.xData[i]);
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yData.push(oscillator);
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}
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return {
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values: CHA,
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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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* Chaikin Oscillator. This series requires the `linkedTo` option to
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* be set and should be loaded after the `stock/indicators/indicators.js`.
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*
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* @sample {highstock} stock/indicators/chaikin
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* Chaikin Oscillator
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*
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* @extends plotOptions.ema
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* @since 7.0.0
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* @product highstock
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* @excluding allAreas, colorAxis, joinBy, keys, navigatorOptions,
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* pointInterval, pointIntervalUnit, pointPlacement,
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* pointRange, pointStart, showInNavigator, stacking
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* @requires stock/indicators/indicators
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* @requires stock/indicators/chaikin
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* @optionparent plotOptions.chaikin
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*/
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ChaikinIndicator.defaultOptions = merge(EMAIndicator.defaultOptions, {
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/**
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* Paramters used in calculation of Chaikin Oscillator
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* series points.
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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,
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/**
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* The id of volume series which is mandatory.
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* For example using OHLC data, volumeSeriesID='volume' means
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* the indicator will be calculated using OHLC and volume values.
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*/
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volumeSeriesID: 'volume',
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/**
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* Parameter used indirectly for calculating the `AD` indicator.
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* Decides about the number of data points that are taken
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* into account for the indicator calculations.
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*/
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period: 9,
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/**
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* Periods for Chaikin Oscillator calculations.
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*
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* @type {Array<number>}
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* @default [3, 10]
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*/
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periods: [3, 10]
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}
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});
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return ChaikinIndicator;
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}(EMAIndicator));
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extend(ChaikinIndicator.prototype, {
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nameBase: 'Chaikin Osc',
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nameComponents: ['periods']
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});
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SeriesRegistry.registerSeriesType('chaikin', ChaikinIndicator);
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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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export default ChaikinIndicator;
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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 `Chaikin Oscillator` series. If the [type](#series.chaikin.type)
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* option is not specified, it is inherited from [chart.type](#chart.type).
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*
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* @extends series,plotOptions.chaikin
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* @since 7.0.0
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* @product highstock
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* @excluding allAreas, colorAxis, dataParser, dataURL, joinBy, keys,
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* navigatorOptions, pointInterval, pointIntervalUnit,
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* pointPlacement, pointRange, pointStart, stacking, showInNavigator
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* @requires stock/indicators/indicators
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* @requires stock/indicators/chaikin
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* @apioption series.chaikin
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*/
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''; // to include the above in the js output
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