chore: version inicial del codigo fuente del LMS Estafeta

2026-10-02 20:33:12 -06:00
commit c8bb6b97b9
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+/* *
+ *
+ *  License: www.highcharts.com/license
+ *
+ *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
+ *
+ * */
+'use strict';
+import U from '../../Core/Utilities.js';
+var correctFloat = U.correctFloat, isArray = U.isArray, seriesType = U.seriesType;
+/**
+ * The EMA series type.
+ *
+ * @private
+ * @class
+ * @name Highcharts.seriesTypes.ema
+ *
+ * @augments Highcharts.Series
+ */
+seriesType('ema', 'sma', 
+/**
+ * Exponential moving average indicator (EMA). This series requires the
+ * `linkedTo` option to be set.
+ *
+ * @sample stock/indicators/ema
+ *         Exponential moving average indicator
+ *
+ * @extends      plotOptions.sma
+ * @since        6.0.0
+ * @product      highstock
+ * @requires     stock/indicators/indicators
+ * @requires     stock/indicators/ema
+ * @optionparent plotOptions.ema
+ */
+{
+    params: {
+        /**
+         * The point index which indicator calculations will base. For
+         * example using OHLC data, index=2 means the indicator will be
+         * calculated using Low values.
+         *
+         * By default index value used to be set to 0. Since Highstock 7
+         * by default index is set to 3 which means that the ema
+         * indicator will be calculated using Close values.
+         */
+        index: 3,
+        period: 9 // @merge 14 in v6.2
+    }
+}, 
+/**
+ * @lends Highcharts.Series#
+ */
+{
+    accumulatePeriodPoints: function (period, index, yVal) {
+        var sum = 0, i = 0, y = 0;
+        while (i < period) {
+            y = index < 0 ? yVal[i] : yVal[i][index];
+            sum = sum + y;
+            i++;
+        }
+        return sum;
+    },
+    calculateEma: function (xVal, yVal, i, EMApercent, calEMA, index, SMA) {
+        var x = xVal[i - 1], yValue = index < 0 ?
+            yVal[i - 1] :
+            yVal[i - 1][index], y;
+        y = typeof calEMA === 'undefined' ?
+            SMA : correctFloat((yValue * EMApercent) +
+            (calEMA * (1 - EMApercent)));
+        return [x, y];
+    },
+    getValues: function (series, params) {
+        var period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, EMApercent = 2 / (period + 1), sum = 0, EMA = [], xData = [], yData = [], index = -1, SMA = 0, calEMA, EMAPoint, i;
+        // Check period, if bigger than points length, skip
+        if (yValLen < period) {
+            return;
+        }
+        // Switch index for OHLC / Candlestick / Arearange
+        if (isArray(yVal[0])) {
+            index = params.index ? params.index : 0;
+        }
+        // Accumulate first N-points
+        sum = this.accumulatePeriodPoints(period, index, yVal);
+        // first point
+        SMA = sum / period;
+        // Calculate value one-by-one for each period in visible data
+        for (i = period; i < yValLen + 1; i++) {
+            EMAPoint = this.calculateEma(xVal, yVal, i, EMApercent, calEMA, index, SMA);
+            EMA.push(EMAPoint);
+            xData.push(EMAPoint[0]);
+            yData.push(EMAPoint[1]);
+            calEMA = EMAPoint[1];
+        }
+        return {
+            values: EMA,
+            xData: xData,
+            yData: yData
+        };
+    }
+});
+/**
+ * A `EMA` series. If the [type](#series.ema.type) option is not
+ * specified, it is inherited from [chart.type](#chart.type).
+ *
+ * @extends   series,plotOptions.ema
+ * @since     6.0.0
+ * @product   highstock
+ * @excluding dataParser, dataURL
+ * @requires  stock/indicators/indicators
+ * @requires  stock/indicators/ema
+ * @apioption series.ema
+ */
+''; // adds doclet above to the transpiled file