highcharts
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JavaScript charting framework
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JavaScript
/**
* @license Highstock JS v12.1.2 (2024-12-21)
* @module highcharts/indicators/wma
* @requires highcharts
* @requires highcharts/modules/stock
*
* Indicator series type for Highcharts Stock
*
* (c) 2010-2024 Kacper Madej
*
* License: www.highcharts.com/license
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(root["_Highcharts"], root["_Highcharts"]["SeriesRegistry"]);
else if(typeof define === 'function' && define.amd)
define("highcharts/indicators/wma", ["highcharts/highcharts"], function (amd1) {return factory(amd1,amd1["SeriesRegistry"]);});
else if(typeof exports === 'object')
exports["highcharts/indicators/wma"] = factory(root["_Highcharts"], root["_Highcharts"]["SeriesRegistry"]);
else
root["Highcharts"] = factory(root["Highcharts"], root["Highcharts"]["SeriesRegistry"]);
})(typeof window === 'undefined' ? this : window, (__WEBPACK_EXTERNAL_MODULE__944__, __WEBPACK_EXTERNAL_MODULE__512__) => {
return /******/ (() => { // webpackBootstrap
/******/ "use strict";
/******/ var __webpack_modules__ = ({
/***/ 512:
/***/ ((module) => {
module.exports = __WEBPACK_EXTERNAL_MODULE__512__;
/***/ }),
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/***/ ((module) => {
module.exports = __WEBPACK_EXTERNAL_MODULE__944__;
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/******/
/************************************************************************/
/******/ /* webpack/runtime/compat get default export */
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/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
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var __webpack_exports__ = {};
// EXPORTS
__webpack_require__.d(__webpack_exports__, {
"default": () => (/* binding */ wma_src)
});
// EXTERNAL MODULE: external {"amd":["highcharts/highcharts"],"commonjs":["highcharts"],"commonjs2":["highcharts"],"root":["Highcharts"]}
var highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_ = __webpack_require__(944);
var highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default = /*#__PURE__*/__webpack_require__.n(highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_);
// EXTERNAL MODULE: external {"amd":["highcharts/highcharts","SeriesRegistry"],"commonjs":["highcharts","SeriesRegistry"],"commonjs2":["highcharts","SeriesRegistry"],"root":["Highcharts","SeriesRegistry"]}
var highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_ = __webpack_require__(512);
var highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_default = /*#__PURE__*/__webpack_require__.n(highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_);
;// ./code/es-modules/Stock/Indicators/WMA/WMAIndicator.js
/* *
*
* (c) 2010-2024 Kacper Madej
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
const { sma: SMAIndicator } = (highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_default()).seriesTypes;
const { isArray, merge } = (highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default());
/* *
*
* Functions
*
* */
// Utils:
/**
* @private
*/
function accumulateAverage(points, xVal, yVal, i, index) {
const xValue = xVal[i], yValue = index < 0 ? yVal[i] : yVal[i][index];
points.push([xValue, yValue]);
}
/**
* @private
*/
function weightedSumArray(array, pLen) {
// The denominator is the sum of the number of days as a triangular number.
// If there are 5 days, the triangular numbers are 5, 4, 3, 2, and 1.
// The sum is 5 + 4 + 3 + 2 + 1 = 15.
const denominator = (pLen + 1) / 2 * pLen;
// Reduce VS loop => reduce
return array.reduce(function (prev, cur, i) {
return [null, prev[1] + cur[1] * (i + 1)];
})[1] / denominator;
}
/**
* @private
*/
function populateAverage(points, xVal, yVal, i) {
const pLen = points.length, wmaY = weightedSumArray(points, pLen), wmaX = xVal[i - 1];
points.shift(); // Remove point until range < period
return [wmaX, wmaY];
}
/* *
*
* Class
*
* */
/**
* The SMA series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.wma
*
* @augments Highcharts.Series
*/
class WMAIndicator extends SMAIndicator {
/* *
*
* Functions
*
* */
getValues(series, params) {
const period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, xValue = xVal[0], wma = [], xData = [], yData = [];
let range = 1, index = -1, i, wmaPoint, yValue = yVal[0];
if (xVal.length < period) {
return;
}
// Switch index for OHLC / Candlestick
if (isArray(yVal[0])) {
index = params.index;
yValue = yVal[0][index];
}
// Starting point
const points = [[xValue, yValue]];
// Accumulate first N-points
while (range !== period) {
accumulateAverage(points, xVal, yVal, range, index);
range++;
}
// Calculate value one-by-one for each period in visible data
for (i = range; i < yValLen; i++) {
wmaPoint = populateAverage(points, xVal, yVal, i);
wma.push(wmaPoint);
xData.push(wmaPoint[0]);
yData.push(wmaPoint[1]);
accumulateAverage(points, xVal, yVal, i, index);
}
wmaPoint = populateAverage(points, xVal, yVal, i);
wma.push(wmaPoint);
xData.push(wmaPoint[0]);
yData.push(wmaPoint[1]);
return {
values: wma,
xData: xData,
yData: yData
};
}
}
/* *
*
* Static Properties
*
* */
/**
* Weighted moving average indicator (WMA). This series requires `linkedTo`
* option to be set.
*
* @sample stock/indicators/wma
* Weighted moving average indicator
*
* @extends plotOptions.sma
* @since 6.0.0
* @product highstock
* @requires stock/indicators/indicators
* @requires stock/indicators/wma
* @optionparent plotOptions.wma
*/
WMAIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
params: {
index: 3,
period: 9
}
});
highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_default().registerSeriesType('wma', WMAIndicator);
/* *
*
* Default Export
*
* */
/* harmony default export */ const WMA_WMAIndicator = ((/* unused pure expression or super */ null && (WMAIndicator)));
/* *
*
* API Options
*
* */
/**
* A `WMA` series. If the [type](#series.wma.type) option is not specified, it
* is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.wma
* @since 6.0.0
* @product highstock
* @excluding dataParser, dataURL
* @requires stock/indicators/indicators
* @requires stock/indicators/wma
* @apioption series.wma
*/
''; // Adds doclet above to the transpiled file
;// ./code/es-modules/masters/indicators/wma.src.js
/* harmony default export */ const wma_src = ((highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default()));
__webpack_exports__ = __webpack_exports__["default"];
/******/ return __webpack_exports__;
/******/ })()
;
});