Carga
Carga
This commit is contained in:
@@ -0,0 +1,247 @@
|
||||
/**
|
||||
*
|
||||
* 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 (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
|
||||
return extendStatics(d, b);
|
||||
};
|
||||
return function (d, b) {
|
||||
if (typeof b !== "function" && b !== null)
|
||||
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
|
||||
extendStatics(d, b);
|
||||
function __() { this.constructor = d; }
|
||||
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
||||
};
|
||||
})();
|
||||
import MultipleLinesComposition from '../MultipleLinesComposition.js';
|
||||
import SeriesRegistry from '../../../Core/Series/SeriesRegistry.js';
|
||||
var SMAIndicator = SeriesRegistry.seriesTypes.sma;
|
||||
import U from '../../../Core/Utilities.js';
|
||||
var extend = U.extend, isArray = U.isArray, merge = U.merge;
|
||||
/* *
|
||||
*
|
||||
* Functions
|
||||
*
|
||||
* */
|
||||
// Utils:
|
||||
/**
|
||||
* @private
|
||||
*/
|
||||
function getStandardDeviation(arr, index, isOHLC, mean) {
|
||||
var variance = 0, arrLen = arr.length, std = 0, i = 0, value;
|
||||
for (; i < arrLen; i++) {
|
||||
value = (isOHLC ? arr[i][index] : arr[i]) - mean;
|
||||
variance += value * value;
|
||||
}
|
||||
variance = variance / (arrLen - 1);
|
||||
std = Math.sqrt(variance);
|
||||
return std;
|
||||
}
|
||||
/* *
|
||||
*
|
||||
* Class
|
||||
*
|
||||
* */
|
||||
/**
|
||||
* Bollinger Bands series type.
|
||||
*
|
||||
* @private
|
||||
* @class
|
||||
* @name Highcharts.seriesTypes.bb
|
||||
*
|
||||
* @augments Highcharts.Series
|
||||
*/
|
||||
var BBIndicator = /** @class */ (function (_super) {
|
||||
__extends(BBIndicator, _super);
|
||||
function BBIndicator() {
|
||||
/* *
|
||||
*
|
||||
* Static Properties
|
||||
*
|
||||
* */
|
||||
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
|
||||
*
|
||||
* */
|
||||
BBIndicator.prototype.init = function () {
|
||||
SeriesRegistry.seriesTypes.sma.prototype.init.apply(this, arguments);
|
||||
// Set default color for lines:
|
||||
this.options = merge({
|
||||
topLine: {
|
||||
styles: {
|
||||
lineColor: this.color
|
||||
}
|
||||
},
|
||||
bottomLine: {
|
||||
styles: {
|
||||
lineColor: this.color
|
||||
}
|
||||
}
|
||||
}, this.options);
|
||||
};
|
||||
BBIndicator.prototype.getValues = function (series, params) {
|
||||
var period = params.period, standardDeviation = params.standardDeviation, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0,
|
||||
// 0- date, 1-middle line, 2-top line, 3-bottom line
|
||||
BB = [],
|
||||
// middle line, top line and bottom line
|
||||
ML, TL, BL, date, xData = [], yData = [], slicedX, slicedY, stdDev, isOHLC, point, i;
|
||||
if (xVal.length < period) {
|
||||
return;
|
||||
}
|
||||
isOHLC = isArray(yVal[0]);
|
||||
for (i = period; i <= yValLen; i++) {
|
||||
slicedX = xVal.slice(i - period, i);
|
||||
slicedY = yVal.slice(i - period, i);
|
||||
point = SeriesRegistry.seriesTypes.sma.prototype.getValues.call(this, {
|
||||
xData: slicedX,
|
||||
yData: slicedY
|
||||
}, params);
|
||||
date = point.xData[0];
|
||||
ML = point.yData[0];
|
||||
stdDev = getStandardDeviation(slicedY, params.index, isOHLC, ML);
|
||||
TL = ML + standardDeviation * stdDev;
|
||||
BL = ML - standardDeviation * stdDev;
|
||||
BB.push([date, TL, ML, BL]);
|
||||
xData.push(date);
|
||||
yData.push([TL, ML, BL]);
|
||||
}
|
||||
return {
|
||||
values: BB,
|
||||
xData: xData,
|
||||
yData: yData
|
||||
};
|
||||
};
|
||||
/**
|
||||
* Bollinger bands (BB). This series requires the `linkedTo` option to be
|
||||
* set and should be loaded after the `stock/indicators/indicators.js` file.
|
||||
*
|
||||
* @sample stock/indicators/bollinger-bands
|
||||
* Bollinger bands
|
||||
*
|
||||
* @extends plotOptions.sma
|
||||
* @since 6.0.0
|
||||
* @product highstock
|
||||
* @requires stock/indicators/indicators
|
||||
* @requires stock/indicators/bollinger-bands
|
||||
* @optionparent plotOptions.bb
|
||||
*/
|
||||
BBIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
|
||||
/**
|
||||
* Option for fill color between lines in Bollinger Bands Indicator.
|
||||
*
|
||||
* @sample {highstock} stock/indicators/indicator-area-fill
|
||||
* Background fill between lines.
|
||||
*
|
||||
* @type {Highcharts.Color}
|
||||
* @since 9.3.2
|
||||
* @apioption plotOptions.bb.fillColor
|
||||
*
|
||||
*/
|
||||
params: {
|
||||
period: 20,
|
||||
/**
|
||||
* Standard deviation for top and bottom bands.
|
||||
*/
|
||||
standardDeviation: 2,
|
||||
index: 3
|
||||
},
|
||||
/**
|
||||
* Bottom line options.
|
||||
*/
|
||||
bottomLine: {
|
||||
/**
|
||||
* Styles for a bottom line.
|
||||
*/
|
||||
styles: {
|
||||
/**
|
||||
* Pixel width of the line.
|
||||
*/
|
||||
lineWidth: 1,
|
||||
/**
|
||||
* Color of the line. If not set, it's inherited from
|
||||
* [plotOptions.bb.color](#plotOptions.bb.color).
|
||||
*
|
||||
* @type {Highcharts.ColorString}
|
||||
*/
|
||||
lineColor: void 0
|
||||
}
|
||||
},
|
||||
/**
|
||||
* Top line options.
|
||||
*
|
||||
* @extends plotOptions.bb.bottomLine
|
||||
*/
|
||||
topLine: {
|
||||
styles: {
|
||||
lineWidth: 1,
|
||||
/**
|
||||
* @type {Highcharts.ColorString}
|
||||
*/
|
||||
lineColor: void 0
|
||||
}
|
||||
},
|
||||
tooltip: {
|
||||
pointFormat: '<span style="color:{point.color}">\u25CF</span><b> {series.name}</b><br/>Top: {point.top}<br/>Middle: {point.middle}<br/>Bottom: {point.bottom}<br/>'
|
||||
},
|
||||
marker: {
|
||||
enabled: false
|
||||
},
|
||||
dataGrouping: {
|
||||
approximation: 'averages'
|
||||
}
|
||||
});
|
||||
return BBIndicator;
|
||||
}(SMAIndicator));
|
||||
extend(BBIndicator.prototype, {
|
||||
areaLinesNames: ['top', 'bottom'],
|
||||
linesApiNames: ['topLine', 'bottomLine'],
|
||||
nameComponents: ['period', 'standardDeviation'],
|
||||
pointArrayMap: ['top', 'middle', 'bottom'],
|
||||
pointValKey: 'middle'
|
||||
});
|
||||
MultipleLinesComposition.compose(BBIndicator);
|
||||
SeriesRegistry.registerSeriesType('bb', BBIndicator);
|
||||
/* *
|
||||
*
|
||||
* Default Export
|
||||
*
|
||||
* */
|
||||
export default BBIndicator;
|
||||
/* *
|
||||
*
|
||||
* API Options
|
||||
*
|
||||
* */
|
||||
/**
|
||||
* A bollinger bands indicator. If the [type](#series.bb.type) option is not
|
||||
* specified, it is inherited from [chart.type](#chart.type).
|
||||
*
|
||||
* @extends series,plotOptions.bb
|
||||
* @since 6.0.0
|
||||
* @excluding dataParser, dataURL
|
||||
* @product highstock
|
||||
* @requires stock/indicators/indicators
|
||||
* @requires stock/indicators/bollinger-bands
|
||||
* @apioption series.bb
|
||||
*/
|
||||
''; // to include the above in the js output
|
||||
Reference in New Issue
Block a user