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 H from '../../Core/Globals.js';
+import U from '../../Core/Utilities.js';
+var correctFloat = U.correctFloat, isArray = U.isArray, seriesType = U.seriesType;
+import requiredIndicator from '../../Mixins/IndicatorRequired.js';
+var EMAindicator = H.seriesTypes.ema;
+/**
+ * The DEMA series Type
+ *
+ * @private
+ * @class
+ * @name Highcharts.seriesTypes.dema
+ *
+ * @augments Highcharts.Series
+ */
+seriesType('dema', 'ema', 
+/**
+ * Double exponential moving average (DEMA) indicator. This series requires
+ * `linkedTo` option to be set and should be loaded after the
+ * `stock/indicators/indicators.js` and `stock/indicators/ema.js`.
+ *
+ * @sample {highstock} stock/indicators/dema
+ *         DEMA indicator
+ *
+ * @extends      plotOptions.ema
+ * @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/ema
+ * @requires     stock/indicators/dema
+ * @optionparent plotOptions.dema
+ */
+{}, 
+/**
+ * @lends Highcharts.Series#
+ */
+{
+    init: function () {
+        var args = arguments, ctx = this;
+        requiredIndicator.isParentLoaded(EMAindicator, 'ema', ctx.type, function (indicator) {
+            indicator.prototype.init.apply(ctx, args);
+            return;
+        });
+    },
+    getEMA: function (yVal, prevEMA, SMA, index, i, xVal) {
+        return EMAindicator.prototype.calculateEma(xVal || [], yVal, typeof i === 'undefined' ? 1 : i, this.chart.series[0].EMApercent, prevEMA, typeof index === 'undefined' ? -1 : index, SMA);
+    },
+    getValues: function (series, params) {
+        var period = params.period, doubledPeriod = 2 * period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, index = -1, accumulatePeriodPoints = 0, SMA = 0, DEMA = [], xDataDema = [], yDataDema = [], EMA = 0, 
+        // EMA(EMA)
+        EMAlevel2, 
+        // EMA of previous point
+        prevEMA, prevEMAlevel2, 
+        // EMA values array
+        EMAvalues = [], i, DEMAPoint;
+        series.EMApercent = (2 / (period + 1));
+        // Check period, if bigger than EMA points length, skip
+        if (yValLen < 2 * period - 1) {
+            return;
+        }
+        // Switch index for OHLC / Candlestick / Arearange
+        if (isArray(yVal[0])) {
+            index = params.index ? params.index : 0;
+        }
+        // Accumulate first N-points
+        accumulatePeriodPoints =
+            EMAindicator.prototype.accumulatePeriodPoints(period, index, yVal);
+        // first point
+        SMA = accumulatePeriodPoints / period;
+        accumulatePeriodPoints = 0;
+        // Calculate value one-by-one for each period in visible data
+        for (i = period; i < yValLen + 2; i++) {
+            if (i < yValLen + 1) {
+                EMA = this.getEMA(yVal, prevEMA, SMA, index, i)[1];
+                EMAvalues.push(EMA);
+            }
+            prevEMA = EMA;
+            // Summing first period points for EMA(EMA)
+            if (i < doubledPeriod) {
+                accumulatePeriodPoints += EMA;
+            }
+            else {
+                // Calculate DEMA
+                // First DEMA point
+                if (i === doubledPeriod) {
+                    SMA = accumulatePeriodPoints / period;
+                }
+                EMA = EMAvalues[i - period - 1];
+                EMAlevel2 = this.getEMA([EMA], prevEMAlevel2, SMA)[1];
+                DEMAPoint = [
+                    xVal[i - 2],
+                    correctFloat(2 * EMA - EMAlevel2)
+                ];
+                DEMA.push(DEMAPoint);
+                xDataDema.push(DEMAPoint[0]);
+                yDataDema.push(DEMAPoint[1]);
+                prevEMAlevel2 = EMAlevel2;
+            }
+        }
+        return {
+            values: DEMA,
+            xData: xDataDema,
+            yData: yDataDema
+        };
+    }
+});
+/**
+ * A `DEMA` series. If the [type](#series.ema.type) option is not
+ * specified, it is inherited from [chart.type](#chart.type).
+ *
+ * @extends   series,plotOptions.ema
+ * @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/ema
+ * @requires  stock/indicators/dema
+ * @apioption series.dema
+ */
+''; // adds doclet above to the transpiled file