File: /var/www/quadcode/frontend/node_modules/highcharts/es5/indicators/vwap.src.js
/**
* @license Highstock JS v10.3.3 (2023-01-20)
*
* Indicator series type for Highcharts Stock
*
* (c) 2010-2021 Paweł Dalek
*
* 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/vwap', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
factory(Highcharts);
factory.Highcharts = Highcharts;
return factory;
});
} else {
factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
}
}(function (Highcharts) {
'use strict';
var _modules = Highcharts ? Highcharts._modules : {};
function _registerModule(obj, path, args, fn) {
if (!obj.hasOwnProperty(path)) {
obj[path] = fn.apply(null, args);
if (typeof CustomEvent === 'function') {
window.dispatchEvent(
new CustomEvent(
'HighchartsModuleLoaded',
{ detail: { path: path, module: obj[path] }
})
);
}
}
}
_registerModule(_modules, 'Stock/Indicators/VWAP/VWAPIndicator.js', [_modules['Core/Series/SeriesRegistry.js'], _modules['Core/Utilities.js']], function (SeriesRegistry, U) {
/* *
*
* (c) 2010-2021 Paweł Dalek
*
* Volume Weighted Average Price (VWAP) indicator for Highcharts Stock
*
* 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 (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 __());
};
})();
var SMAIndicator = SeriesRegistry.seriesTypes.sma;
var error = U.error, isArray = U.isArray, merge = U.merge;
/* *
*
* Class
*
* */
/**
* The Volume Weighted Average Price (VWAP) series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.vwap
*
* @augments Highcharts.Series
*/
var VWAPIndicator = /** @class */ (function (_super) {
__extends(VWAPIndicator, _super);
function VWAPIndicator() {
/* *
*
* Static Properties
*
* */
var _this = _super !== null && _super.apply(this, arguments) || this;
/* *
*
* Properties
*
* */
_this.data = void 0;
_this.points = void 0;
_this.options = void 0;
return _this;
}
/* *
*
* Functions
*
* */
VWAPIndicator.prototype.getValues = function (series, params) {
var indicator = this, chart = series.chart, xValues = series.xData, yValues = series.yData, period = params.period, isOHLC = true, volumeSeries;
// Checks if volume series exists
if (!(volumeSeries = (chart.get(params.volumeSeriesID)))) {
error('Series ' +
params.volumeSeriesID +
' not found! Check `volumeSeriesID`.', true, chart);
return;
}
// Checks if series data fits the OHLC format
if (!(isArray(yValues[0]))) {
isOHLC = false;
}
return indicator.calculateVWAPValues(isOHLC, xValues, yValues, volumeSeries, period);
};
/**
* Main algorithm used to calculate Volume Weighted Average Price (VWAP)
* values
*
* @private
*
* @param {boolean} isOHLC
* Says if data has OHLC format
*
* @param {Array<number>} xValues
* Array of timestamps
*
* @param {Array<number|Array<number,number,number,number>>} yValues
* Array of yValues, can be an array of a four arrays (OHLC) or array of
* values (line)
*
* @param {Array<*>} volumeSeries
* Volume series
*
* @param {number} period
* Number of points to be calculated
*
* @return {Object}
* Object contains computed VWAP
**/
VWAPIndicator.prototype.calculateVWAPValues = function (isOHLC, xValues, yValues, volumeSeries, period) {
var volumeValues = volumeSeries.yData, volumeLength = volumeSeries.xData.length, pointsLength = xValues.length, cumulativePrice = [], cumulativeVolume = [], xData = [], yData = [], VWAP = [], commonLength, typicalPrice, cPrice, cVolume, i, j;
if (pointsLength <= volumeLength) {
commonLength = pointsLength;
}
else {
commonLength = volumeLength;
}
for (i = 0, j = 0; i < commonLength; i++) {
// Depending on whether series is OHLC or line type, price is
// average of the high, low and close or a simple value
typicalPrice = isOHLC ?
((yValues[i][1] + yValues[i][2] +
yValues[i][3]) / 3) :
yValues[i];
typicalPrice *= volumeValues[i];
cPrice = j ?
(cumulativePrice[i - 1] + typicalPrice) :
typicalPrice;
cVolume = j ?
(cumulativeVolume[i - 1] + volumeValues[i]) :
volumeValues[i];
cumulativePrice.push(cPrice);
cumulativeVolume.push(cVolume);
VWAP.push([xValues[i], (cPrice / cVolume)]);
xData.push(VWAP[i][0]);
yData.push(VWAP[i][1]);
j++;
if (j === period) {
j = 0;
}
}
return {
values: VWAP,
xData: xData,
yData: yData
};
};
/**
* Volume Weighted Average Price indicator.
*
* This series requires `linkedTo` option to be set.
*
* @sample stock/indicators/vwap
* Volume Weighted Average Price indicator
*
* @extends plotOptions.sma
* @since 6.0.0
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/vwap
* @optionparent plotOptions.vwap
*/
VWAPIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
/**
* @excluding index
*/
params: {
index: void 0,
period: 30,
/**
* 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'
}
});
return VWAPIndicator;
}(SMAIndicator));
SeriesRegistry.registerSeriesType('vwap', VWAPIndicator);
/* *
*
* Default Export
*
* */
/* *
*
* API Options
*
* */
/**
* A `Volume Weighted Average Price (VWAP)` series. If the
* [type](#series.vwap.type) option is not specified, it is inherited from
* [chart.type](#chart.type).
*
* @extends series,plotOptions.vwap
* @since 6.0.0
* @product highstock
* @excluding dataParser, dataURL
* @requires stock/indicators/indicators
* @requires stock/indicators/vwap
* @apioption series.vwap
*/
''; // to include the above in the js output
return VWAPIndicator;
});
_registerModule(_modules, 'masters/indicators/vwap.src.js', [], function () {
});
}));