highcharts
Version:
JavaScript charting framework
180 lines (177 loc) • 6.6 kB
JavaScript
/**
* @license Highstock JS v9.0.1 (2021-02-16)
*
* Indicator series type for Highstock
*
* (c) 2010-2021 Sebastian Bochan
*
* License: www.highcharts.com/license
*/
;
(function (factory) {
if (typeof module === 'object' && module.exports) {
factory['default'] = factory;
module.exports = factory;
} else if (typeof define === 'function' && define.amd) {
define('highcharts/indicators/momentum', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
factory(Highcharts);
factory.Highcharts = Highcharts;
return factory;
});
} else {
factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
}
}(function (Highcharts) {
var _modules = Highcharts ? Highcharts._modules : {};
function _registerModule(obj, path, args, fn) {
if (!obj.hasOwnProperty(path)) {
obj[path] = fn.apply(null, args);
}
}
_registerModule(_modules, 'Stock/Indicators/Momentum/MomentumIndicator.js', [_modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (SeriesRegistry, U) {
/* *
*
* 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 SMAIndicator = SeriesRegistry.seriesTypes.sma;
var extend = U.extend,
isArray = U.isArray,
merge = U.merge;
/* eslint-disable require-jsdoc */
function populateAverage(points, xVal, yVal, i, period) {
var mmY = yVal[i - 1][3] - yVal[i - period - 1][3],
mmX = xVal[i - 1];
points.shift(); // remove point until range < period
return [mmX, mmY];
}
/* eslint-enable require-jsdoc */
/**
* The Momentum series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.momentum
*
* @augments Highcharts.Series
*/
var MomentumIndicator = /** @class */ (function (_super) {
__extends(MomentumIndicator, _super);
function MomentumIndicator() {
var _this = _super !== null && _super.apply(this,
arguments) || this;
_this.data = void 0;
_this.options = void 0;
_this.points = void 0;
return _this;
}
MomentumIndicator.prototype.getValues = function (series, params) {
var period = params.period,
xVal = series.xData,
yVal = series.yData,
yValLen = yVal ? yVal.length : 0,
xValue = xVal[0],
yValue = yVal[0],
MM = [],
xData = [],
yData = [],
index,
i,
points,
MMPoint;
if (xVal.length <= period) {
return;
}
// Switch index for OHLC / Candlestick / Arearange
if (isArray(yVal[0])) {
yValue = yVal[0][3];
}
else {
return;
}
// Starting point
points = [
[xValue, yValue]
];
// Calculate value one-by-one for each period in visible data
for (i = (period + 1); i < yValLen; i++) {
MMPoint = populateAverage(points, xVal, yVal, i, period, index);
MM.push(MMPoint);
xData.push(MMPoint[0]);
yData.push(MMPoint[1]);
}
MMPoint = populateAverage(points, xVal, yVal, i, period, index);
MM.push(MMPoint);
xData.push(MMPoint[0]);
yData.push(MMPoint[1]);
return {
values: MM,
xData: xData,
yData: yData
};
};
/**
* Momentum. This series requires `linkedTo` option to be set.
*
* @sample stock/indicators/momentum
* Momentum indicator
*
* @extends plotOptions.sma
* @since 6.0.0
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/momentum
* @optionparent plotOptions.momentum
*/
MomentumIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
params: {
period: 14
}
});
return MomentumIndicator;
}(SMAIndicator));
extend(MomentumIndicator.prototype, {
nameBase: 'Momentum'
});
SeriesRegistry.registerSeriesType('momentum', MomentumIndicator);
/* *
*
* Default Export
*
* */
/**
* A `Momentum` series. If the [type](#series.momentum.type) option is not
* specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.momentum
* @since 6.0.0
* @excluding dataParser, dataURL
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/momentum
* @apioption series.momentum
*/
''; // to include the above in the js output
return MomentumIndicator;
});
_registerModule(_modules, 'masters/indicators/momentum.src.js', [], function () {
});
}));