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/dpo
* @requires highcharts
* @requires highcharts/modules/stock
*
* Indicator series type for Highcharts Stock
*
* (c) 2010-2024 Wojciech Chmiel
*
* 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/dpo", ["highcharts/highcharts"], function (amd1) {return factory(amd1,amd1["SeriesRegistry"]);});
else if(typeof exports === 'object')
exports["highcharts/indicators/dpo"] = 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:
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module.exports = __WEBPACK_EXTERNAL_MODULE__512__;
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module.exports = __WEBPACK_EXTERNAL_MODULE__944__;
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/******/ /* webpack/runtime/compat get default export */
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var __webpack_exports__ = {};
// EXPORTS
__webpack_require__.d(__webpack_exports__, {
"default": () => (/* binding */ dpo_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/DPO/DPOIndicator.js
/* *
*
* 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 { extend, merge, correctFloat, pick } = (highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default());
/* *
*
* Functions
*
* */
// Utils:
/**
* @private
*/
function accumulatePoints(sum, yVal, i, index, subtract) {
const price = pick(yVal[i][index], yVal[i]);
if (subtract) {
return correctFloat(sum - price);
}
return correctFloat(sum + price);
}
/* *
*
* Class
*
* */
/**
* The DPO series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.dpo
*
* @augments Highcharts.Series
*/
class DPOIndicator extends SMAIndicator {
/* *
*
* Functions
*
* */
getValues(series, params) {
const period = params.period, index = params.index, offset = Math.floor(period / 2 + 1), range = period + offset, xVal = series.xData || [], yVal = series.yData || [], yValLen = yVal.length,
// 0- date, 1- Detrended Price Oscillator
DPO = [], xData = [], yData = [];
let oscillator, periodIndex, rangeIndex, price, i, j, sum = 0;
if (xVal.length <= range) {
return;
}
// Accumulate first N-points for SMA
for (i = 0; i < period - 1; i++) {
sum = accumulatePoints(sum, yVal, i, index);
}
// Detrended Price Oscillator formula:
// DPO = Price - Simple moving average [from (n / 2 + 1) days ago]
for (j = 0; j <= yValLen - range; j++) {
periodIndex = j + period - 1;
rangeIndex = j + range - 1;
// Adding the last period point
sum = accumulatePoints(sum, yVal, periodIndex, index);
price = pick(yVal[rangeIndex][index], yVal[rangeIndex]);
oscillator = price - sum / period;
// Subtracting the first period point
sum = accumulatePoints(sum, yVal, j, index, true);
DPO.push([xVal[rangeIndex], oscillator]);
xData.push(xVal[rangeIndex]);
yData.push(oscillator);
}
return {
values: DPO,
xData: xData,
yData: yData
};
}
}
/* *
*
* Static Properties
*
* */
/**
* Detrended Price Oscillator. This series requires the `linkedTo` option to
* be set and should be loaded after the `stock/indicators/indicators.js`.
*
* @sample {highstock} stock/indicators/dpo
* Detrended Price Oscillator
*
* @extends plotOptions.sma
* @since 7.0.0
* @product highstock
* @excluding allAreas, colorAxis, compare, compareBase, joinBy, keys,
* navigatorOptions, pointInterval, pointIntervalUnit,
* pointPlacement, pointRange, pointStart, showInNavigator,
* stacking
* @requires stock/indicators/indicators
* @requires stock/indicators/dpo
* @optionparent plotOptions.dpo
*/
DPOIndicator.defaultOptions = merge(SMAIndicator.defaultOptions, {
/**
* Parameters used in calculation of Detrended Price Oscillator series
* points.
*/
params: {
index: 0,
/**
* Period for Detrended Price Oscillator
*/
period: 21
}
});
extend(DPOIndicator.prototype, {
nameBase: 'DPO'
});
highcharts_SeriesRegistry_commonjs_highcharts_SeriesRegistry_commonjs2_highcharts_SeriesRegistry_root_Highcharts_SeriesRegistry_default().registerSeriesType('dpo', DPOIndicator);
/* *
*
* Default Export
*
* */
/* harmony default export */ const DPO_DPOIndicator = ((/* unused pure expression or super */ null && (DPOIndicator)));
/* *
*
* API Options
*
* */
/**
* A Detrended Price Oscillator. If the [type](#series.dpo.type) option is not
* specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.dpo
* @since 7.0.0
* @product highstock
* @excluding allAreas, colorAxis, compare, compareBase, dataParser, dataURL,
* joinBy, keys, navigatorOptions, pointInterval, pointIntervalUnit,
* pointPlacement, pointRange, pointStart, showInNavigator, stacking
* @requires stock/indicators/indicators
* @requires stock/indicators/dpo
* @apioption series.dpo
*/
''; // To include the above in the js output'
;// ./code/es-modules/masters/indicators/dpo.src.js
/* harmony default export */ const dpo_src = ((highcharts_commonjs_highcharts_commonjs2_highcharts_root_Highcharts_default()));
__webpack_exports__ = __webpack_exports__["default"];
/******/ return __webpack_exports__;
/******/ })()
;
});