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/* * * * License: www.highcharts.com/license * * !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!! * * */ 'use strict'; 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 __()); }; })(); import RequiredIndicatorMixin from '../../../Mixins/IndicatorRequired.js'; import SeriesRegistry from '../../../Core/Series/SeriesRegistry.js'; import '../AD/ADIndicator.js'; // For historic reasons, AD i built into Chaikin var _a = SeriesRegistry.seriesTypes, AD = _a.ad, EMAIndicator = _a.ema; import U from '../../../Core/Utilities.js'; var correctFloat = U.correctFloat, extend = U.extend, merge = U.merge, error = U.error; /* * * * Class * * */ /** * The Chaikin series type. * * @private * @class * @name Highcharts.seriesTypes.chaikin * * @augments Highcharts.Series */ var ChaikinIndicator = /** @class */ (function (_super) { __extends(ChaikinIndicator, _super); function ChaikinIndicator() { var _this = _super !== null && _super.apply(this, arguments) || this; /* * * * Properties * * */ _this.data = void 0; _this.options = void 0; _this.points = void 0; return _this; } /* * * * Functions * * */ ChaikinIndicator.prototype.init = function () { var args = arguments, ctx = this; RequiredIndicatorMixin.isParentLoaded(EMAIndicator, 'ema', ctx.type, function (indicator) { indicator.prototype.init.apply(ctx, args); return; }); }; ChaikinIndicator.prototype.getValues = function (series, params) { var periods = params.periods, period = params.period, // Accumulation Distribution Line data ADL, // 0- date, 1- Chaikin Oscillator CHA = [], xData = [], yData = [], periodsOffset, // Shorter Period EMA SPE, // Longer Period EMA LPE, oscillator, i; // Check if periods are correct if (periods.length !== 2 || periods[1] <= periods[0]) { error('Error: "Chaikin requires two periods. Notice, first ' + 'period should be lower than the second one."'); return; } ADL = AD.prototype.getValues.call(this, series, { volumeSeriesID: params.volumeSeriesID, period: period }); // Check if adl is calculated properly, if not skip if (!ADL) { return; } SPE = EMAIndicator.prototype.getValues.call(this, ADL, { period: periods[0] }); LPE = EMAIndicator.prototype.getValues.call(this, ADL, { period: periods[1] }); // Check if ema is calculated properly, if not skip if (!SPE || !LPE) { return; } periodsOffset = periods[1] - periods[0]; for (i = 0; i < LPE.yData.length; i++) { oscillator = correctFloat(SPE.yData[i + periodsOffset] - LPE.yData[i]); CHA.push([LPE.xData[i], oscillator]); xData.push(LPE.xData[i]); yData.push(oscillator); } return { values: CHA, xData: xData, yData: yData }; }; /** * Chaikin Oscillator. This series requires the `linkedTo` option to * be set and should be loaded after the `stock/indicators/indicators.js` * and `stock/indicators/ema.js`. * * @sample {highstock} stock/indicators/chaikin * Chaikin Oscillator * * @extends plotOptions.ema * @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/ema * @requires stock/indicators/chaikin * @optionparent plotOptions.chaikin */ ChaikinIndicator.defaultOptions = merge(EMAIndicator.defaultOptions, { /** * Paramters used in calculation of Chaikin Oscillator * series points. * * @excluding index, period */ params: { /** * The id of volume series which is mandatory. * For example using OHLC data, volumeSeriesID='volume' means * the indicator will be calculated using OHLC and volume values. */ volumeSeriesID: 'volume', /** * Periods for Chaikin Oscillator calculations. * * @type {Array<number>} * @default [3, 10] */ periods: [3, 10] } }); return ChaikinIndicator; }(EMAIndicator)); extend(ChaikinIndicator.prototype, { nameBase: 'Chaikin Osc', nameComponents: ['periods'] }); SeriesRegistry.registerSeriesType('chaikin', ChaikinIndicator); /* * * * Default Export * * */ export default ChaikinIndicator; /** * A `Chaikin Oscillator` series. If the [type](#series.chaikin.type) * option is not specified, it is inherited from [chart.type](#chart.type). * * @extends series,plotOptions.chaikin * @since 7.0.0 * @product highstock * @excluding allAreas, colorAxis, dataParser, dataURL, joinBy, keys, * navigatorOptions, pointInterval, pointIntervalUnit, * pointPlacement, pointRange, pointStart, stacking, showInNavigator * @requires stock/indicators/indicators * @requires stock/indicators/ema * @requires stock/indicators/chaikin * @apioption series.chaikin */ ''; // to include the above in the js output