highcharts
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JavaScript charting framework
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JavaScript
/**
* @license Highstock JS v12.3.0 (2025-06-21)
* @module highcharts/indicators/wma
* @requires highcharts
* @requires highcharts/modules/stock
*
* Indicator series type for Highcharts Stock
*
* (c) 2010-2025 Kacper Madej
*
* License: www.highcharts.com/license
*/
import * as __WEBPACK_EXTERNAL_MODULE__highcharts_src_js_8202131d__ from "../highcharts.src.js";
import * as __WEBPACK_EXTERNAL_MODULE__modules_stock_src_js_b3d80146__ from "../modules/stock.src.js";
/******/ // The require scope
/******/ var __webpack_require__ = {};
/******/
/************************************************************************/
/******/ /* webpack/runtime/compat get default export */
/******/ (() => {
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = (module) => {
/******/ var getter = module && module.__esModule ?
/******/ () => (module['default']) :
/******/ () => (module);
/******/ __webpack_require__.d(getter, { a: getter });
/******/ return getter;
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __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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;// external ["../highcharts.src.js","default"]
const external_highcharts_src_js_default_namespaceObject = __WEBPACK_EXTERNAL_MODULE__highcharts_src_js_8202131d__["default"];
var external_highcharts_src_js_default_default = /*#__PURE__*/__webpack_require__.n(external_highcharts_src_js_default_namespaceObject);
;// external "../modules/stock.src.js"
var x = (y) => {
var x = {}; __webpack_require__.d(x,
y); return x
}
var y = (x) => (() => (x))
const stock_src_js_namespaceObject = x({ });
;// external ["../highcharts.src.js","default","SeriesRegistry"]
const external_highcharts_src_js_default_SeriesRegistry_namespaceObject = __WEBPACK_EXTERNAL_MODULE__highcharts_src_js_8202131d__["default"].SeriesRegistry;
var external_highcharts_src_js_default_SeriesRegistry_default = /*#__PURE__*/__webpack_require__.n(external_highcharts_src_js_default_SeriesRegistry_namespaceObject);
;// ./code/es-modules/Stock/Indicators/WMA/WMAIndicator.js
/* *
*
* (c) 2010-2025 Kacper Madej
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
const { sma: SMAIndicator } = (external_highcharts_src_js_default_SeriesRegistry_default()).seriesTypes;
const { isArray, merge } = (external_highcharts_src_js_default_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
}
});
external_highcharts_src_js_default_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 = ((external_highcharts_src_js_default_default()));
export { wma_src as default };