highcharts
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JavaScript charting framework
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JavaScript
/* *
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
;
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 __());
};
})();
var EMAIndicator = SeriesRegistry.seriesTypes.ema;
import RequiredIndicatorMixin from '../../../Mixins/IndicatorRequired.js';
import SeriesRegistry from '../../../Core/Series/SeriesRegistry.js';
import U from '../../../Core/Utilities.js';
var extend = U.extend, merge = U.merge, error = U.error;
/* *
*
* Class
*
* */
/**
* The APO series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.apo
*
* @augments Highcharts.Series
*/
var APOIndicator = /** @class */ (function (_super) {
__extends(APOIndicator, _super);
function APOIndicator() {
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
*
* */
APOIndicator.prototype.getValues = function (series, params) {
var periods = params.periods, index = params.index,
// 0- date, 1- Absolute price oscillator
APO = [], 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: "APO requires two periods. Notice, first period ' +
'should be lower than the second one."');
return;
}
SPE = EMAIndicator.prototype.getValues.call(this, series, {
index: index,
period: periods[0]
});
LPE = EMAIndicator.prototype.getValues.call(this, series, {
index: index,
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 = (SPE.yData[i + periodsOffset] -
LPE.yData[i]);
APO.push([LPE.xData[i], oscillator]);
xData.push(LPE.xData[i]);
yData.push(oscillator);
}
return {
values: APO,
xData: xData,
yData: yData
};
};
APOIndicator.prototype.init = function () {
var args = arguments, ctx = this;
RequiredIndicatorMixin.isParentLoaded(EMAIndicator, 'ema', ctx.type, function (indicator) {
indicator.prototype.init.apply(ctx, args);
return;
});
};
/**
* Absolute Price 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/apo
* Absolute Price 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/apo
* @optionparent plotOptions.apo
*/
APOIndicator.defaultOptions = merge(EMAIndicator.defaultOptions, {
/**
* Paramters used in calculation of Absolute Price Oscillator
* series points.
*
* @excluding period
*/
params: {
/**
* Periods for Absolute Price Oscillator calculations.
*
* @type {Array<number>}
* @default [10, 20]
* @since 7.0.0
*/
periods: [10, 20]
}
});
return APOIndicator;
}(EMAIndicator));
extend(APOIndicator.prototype, {
nameBase: 'APO',
nameComponents: ['periods']
});
SeriesRegistry.registerSeriesType('apo', APOIndicator);
/* *
*
* Default Export
*
* */
export default APOIndicator;
/**
* An `Absolute Price Oscillator` series. If the [type](#series.apo.type) option
* is not specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.apo
* @since 7.0.0
* @product highstock
* @excluding allAreas, colorAxis, dataParser, dataURL, joinBy, keys,
* navigatorOptions, pointInterval, pointIntervalUnit,
* pointPlacement, pointRange, pointStart, showInNavigator, stacking
* @requires stock/indicators/indicators
* @requires stock/indicators/ema
* @requires stock/indicators/apo
* @apioption series.apo
*/
''; // to include the above in the js output