wwbsr/node_modules/highcharts/indicators/momentum.src.js

/**
 * @license Highstock JS v8.2.0 (2020-08-20)
 *
 * Indicator series type for Highstock
 *
 * (c) 2010-2019 Sebastian Bochan
 *
 * License: www.highcharts.com/license
 */
'use strict';
(function (factory) {
    if (typeof module === 'object' && module.exports) {
        factory['default'] = factory;
        module.exports = factory;
    } else if (typeof define === 'function' && define.amd) {
        define('highcharts/indicators/momentum', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
            factory(Highcharts);
            factory.Highcharts = Highcharts;
            return factory;
        });
    } else {
        factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
    }
}(function (Highcharts) {
    var _modules = Highcharts ? Highcharts._modules : {};
    function _registerModule(obj, path, args, fn) {
        if (!obj.hasOwnProperty(path)) {
            obj[path] = fn.apply(null, args);
        }
    }
    _registerModule(_modules, 'Stock/Indicators/MomentumIndicator.js', [_modules['Core/Utilities.js']], function (U) {
        /* *
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        var isArray = U.isArray,
            seriesType = U.seriesType;
        /* eslint-disable require-jsdoc */
        function populateAverage(points, xVal, yVal, i, period) {
            var mmY = yVal[i - 1][3] - yVal[i - period - 1][3],
                mmX = xVal[i - 1];
            points.shift(); // remove point until range < period
            return [mmX, mmY];
        }
        /* eslint-enable require-jsdoc */
        /**
         * The Momentum series type.
         *
         * @private
         * @class
         * @name Highcharts.seriesTypes.momentum
         *
         * @augments Highcharts.Series
         */
        seriesType('momentum', 'sma', 
        /**
         * Momentum. This series requires `linkedTo` option to be set.
         *
         * @sample stock/indicators/momentum
         *         Momentum indicator
         *
         * @extends      plotOptions.sma
         * @since        6.0.0
         * @product      highstock
         * @requires     stock/indicators/indicators
         * @requires     stock/indicators/momentum
         * @optionparent plotOptions.momentum
         */
        {
            params: {
                period: 14
            }
        }, 
        /**
         * @lends Highcharts.Series#
         */
        {
            nameBase: 'Momentum',
            getValues: function (series, params) {
                var period = params.period,
                    xVal = series.xData,
                    yVal = series.yData,
                    yValLen = yVal ? yVal.length : 0,
                    xValue = xVal[0],
                    yValue = yVal[0],
                    MM = [],
                    xData = [],
                    yData = [],
                    index,
                    i,
                    points,
                    MMPoint;
                if (xVal.length <= period) {
                    return;
                }
                // Switch index for OHLC / Candlestick / Arearange
                if (isArray(yVal[0])) {
                    yValue = yVal[0][3];
                }
                else {
                    return;
                }
                // Starting point
                points = [
                    [xValue, yValue]
                ];
                // Calculate value one-by-one for each period in visible data
                for (i = (period + 1); i < yValLen; i++) {
                    MMPoint = populateAverage(points, xVal, yVal, i, period, index);
                    MM.push(MMPoint);
                    xData.push(MMPoint[0]);
                    yData.push(MMPoint[1]);
                }
                MMPoint = populateAverage(points, xVal, yVal, i, period, index);
                MM.push(MMPoint);
                xData.push(MMPoint[0]);
                yData.push(MMPoint[1]);
                return {
                    values: MM,
                    xData: xData,
                    yData: yData
                };
            }
        });
        /**
         * A `Momentum` series. If the [type](#series.momentum.type) option is not
         * specified, it is inherited from [chart.type](#chart.type).
         *
         * @extends   series,plotOptions.momentum
         * @since     6.0.0
         * @excluding dataParser, dataURL
         * @product   highstock
         * @requires  stock/indicators/indicators
         * @requires  stock/indicators/momentum
         * @apioption series.momentum
         */
        ''; // to include the above in the js output

    });
    _registerModule(_modules, 'masters/indicators/momentum.src.js', [], function () {


    });
}));