chore: version inicial del codigo fuente del LMS Estafeta

2026-10-02 20:33:12 -06:00
commit c8bb6b97b9
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+/* *
+ *
+ *  Money Flow Index indicator for Highstock
+ *
+ *  (c) 2010-2020 Grzegorz Blachliński
+ *
+ *  License: www.highcharts.com/license
+ *
+ *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
+ *
+ * */
+'use strict';
+import U from '../../Core/Utilities.js';
+var error = U.error, isArray = U.isArray, seriesType = U.seriesType;
+/* eslint-disable require-jsdoc */
+// Utils:
+function sumArray(array) {
+    return array.reduce(function (prev, cur) {
+        return prev + cur;
+    });
+}
+function toFixed(a, n) {
+    return parseFloat(a.toFixed(n));
+}
+function calculateTypicalPrice(point) {
+    return (point[1] + point[2] + point[3]) / 3;
+}
+function calculateRawMoneyFlow(typicalPrice, volume) {
+    return typicalPrice * volume;
+}
+/* eslint-enable require-jsdoc */
+/**
+ * The MFI series type.
+ *
+ * @private
+ * @class
+ * @name Highcharts.seriesTypes.mfi
+ *
+ * @augments Highcharts.Series
+ */
+seriesType('mfi', 'sma', 
+/**
+ * Money Flow Index. This series requires `linkedTo` option to be set and
+ * should be loaded after the `stock/indicators/indicators.js` file.
+ *
+ * @sample stock/indicators/mfi
+ *         Money Flow Index Indicator
+ *
+ * @extends      plotOptions.sma
+ * @since        6.0.0
+ * @product      highstock
+ * @requires     stock/indicators/indicators
+ * @requires     stock/indicators/mfi
+ * @optionparent plotOptions.mfi
+ */
+{
+    /**
+     * @excluding index
+     */
+    params: {
+        period: 14,
+        /**
+         * The id of volume series which is mandatory.
+         * For example using OHLC data, volumeSeriesID='volume' means
+         * the indicator will be calculated using OHLC and volume values.
+         */
+        volumeSeriesID: 'volume',
+        /**
+         * Number of maximum decimals that are used in MFI calculations.
+         */
+        decimals: 4
+    }
+}, 
+/**
+ * @lends Highcharts.Series#
+ */
+{
+    nameBase: 'Money Flow Index',
+    getValues: function (series, params) {
+        var period = params.period, xVal = series.xData, yVal = series.yData, yValLen = yVal ? yVal.length : 0, decimals = params.decimals, 
+        // MFI starts calculations from the second point
+        // Cause we need to calculate change between two points
+        range = 1, volumeSeries = series.chart.get(params.volumeSeriesID), yValVolume = (volumeSeries && volumeSeries.yData), MFI = [], isUp = false, xData = [], yData = [], positiveMoneyFlow = [], negativeMoneyFlow = [], newTypicalPrice, oldTypicalPrice, rawMoneyFlow, negativeMoneyFlowSum, positiveMoneyFlowSum, moneyFlowRatio, MFIPoint, i;
+        if (!volumeSeries) {
+            error('Series ' +
+                params.volumeSeriesID +
+                ' not found! Check `volumeSeriesID`.', true, series.chart);
+            return;
+        }
+        // MFI requires high low and close values
+        if ((xVal.length <= period) || !isArray(yVal[0]) ||
+            yVal[0].length !== 4 ||
+            !yValVolume) {
+            return;
+        }
+        // Calculate first typical price
+        newTypicalPrice = calculateTypicalPrice(yVal[range]);
+        // Accumulate first N-points
+        while (range < period + 1) {
+            // Calculate if up or down
+            oldTypicalPrice = newTypicalPrice;
+            newTypicalPrice = calculateTypicalPrice(yVal[range]);
+            isUp = newTypicalPrice >= oldTypicalPrice;
+            // Calculate raw money flow
+            rawMoneyFlow = calculateRawMoneyFlow(newTypicalPrice, yValVolume[range]);
+            // Add to array
+            positiveMoneyFlow.push(isUp ? rawMoneyFlow : 0);
+            negativeMoneyFlow.push(isUp ? 0 : rawMoneyFlow);
+            range++;
+        }
+        for (i = range - 1; i < yValLen; i++) {
+            if (i > range - 1) {
+                // Remove first point from array
+                positiveMoneyFlow.shift();
+                negativeMoneyFlow.shift();
+                // Calculate if up or down
+                oldTypicalPrice = newTypicalPrice;
+                newTypicalPrice = calculateTypicalPrice(yVal[i]);
+                isUp = newTypicalPrice > oldTypicalPrice;
+                // Calculate raw money flow
+                rawMoneyFlow = calculateRawMoneyFlow(newTypicalPrice, yValVolume[i]);
+                // Add to array
+                positiveMoneyFlow.push(isUp ? rawMoneyFlow : 0);
+                negativeMoneyFlow.push(isUp ? 0 : rawMoneyFlow);
+            }
+            // Calculate sum of negative and positive money flow:
+            negativeMoneyFlowSum = sumArray(negativeMoneyFlow);
+            positiveMoneyFlowSum = sumArray(positiveMoneyFlow);
+            moneyFlowRatio = positiveMoneyFlowSum / negativeMoneyFlowSum;
+            MFIPoint = toFixed(100 - (100 / (1 + moneyFlowRatio)), decimals);
+            MFI.push([xVal[i], MFIPoint]);
+            xData.push(xVal[i]);
+            yData.push(MFIPoint);
+        }
+        return {
+            values: MFI,
+            xData: xData,
+            yData: yData
+        };
+    }
+});
+/**
+ * A `MFI` series. If the [type](#series.mfi.type) option is not specified, it
+ * is inherited from [chart.type](#chart.type).
+ *
+ * @extends   series,plotOptions.mfi
+ * @since     6.0.0
+ * @excluding dataParser, dataURL
+ * @product   highstock
+ * @requires  stock/indicators/indicators
+ * @requires  stock/indicators/mfi
+ * @apioption series.mfi
+ */
+''; // to include the above in the js output