wwbsr/node_modules/highcharts/indicators/ichimoku-kinko-hyo.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/ichimoku-kinko-hyo', ['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/IKHIndicator.js', [_modules['Core/Globals.js'], _modules['Core/Color.js'], _modules['Core/Utilities.js']], function (H, Color, U) {
        /* *
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        /* eslint-enable @typescript-eslint/interface-name-prefix */
        var color = Color.parse;
        var defined = U.defined,
            isArray = U.isArray,
            merge = U.merge,
            objectEach = U.objectEach,
            seriesType = U.seriesType;
        var UNDEFINED,
            SMA = H.seriesTypes.sma;
        /* eslint-disable require-jsdoc */
        // Utils:
        function maxHigh(arr) {
            return arr.reduce(function (max, res) {
                return Math.max(max, res[1]);
            }, -Infinity);
        }
        function minLow(arr) {
            return arr.reduce(function (min, res) {
                return Math.min(min, res[2]);
            }, Infinity);
        }
        function highlowLevel(arr) {
            return {
                high: maxHigh(arr),
                low: minLow(arr)
            };
        }
        function getClosestPointRange(axis) {
            var closestDataRange,
                loopLength,
                distance,
                xData,
                i;
            axis.series.forEach(function (series) {
                if (series.xData) {
                    xData = series.xData;
                    loopLength = series.xIncrement ? 1 : xData.length - 1;
                    for (i = loopLength; i > 0; i--) {
                        distance = xData[i] - xData[i - 1];
                        if (closestDataRange === UNDEFINED ||
                            distance < closestDataRange) {
                            closestDataRange = distance;
                        }
                    }
                }
            });
            return closestDataRange;
        }
        // Check two lines intersection (line a1-a2 and b1-b2)
        // Source: https://en.wikipedia.org/wiki/Line%E2%80%93line_intersection
        function checkLineIntersection(a1, a2, b1, b2) {
            if (a1 && a2 && b1 && b2) {
                var saX = a2.plotX - a1.plotX, // Auxiliary section a2-a1 X
                    saY = a2.plotY - a1.plotY, // Auxiliary section a2-a1 Y
                    sbX = b2.plotX - b1.plotX, // Auxiliary section b2-b1 X
                    sbY = b2.plotY - b1.plotY, // Auxiliary section b2-b1 Y
                    sabX = a1.plotX - b1.plotX, // Auxiliary section a1-b1 X
                    sabY = a1.plotY - b1.plotY, // Auxiliary section a1-b1 Y
                    // First degree Bézier parameters
                    u,
                    t;
                u = (-saY * sabX + saX * sabY) / (-sbX * saY + saX * sbY);
                t = (sbX * sabY - sbY * sabX) / (-sbX * saY + saX * sbY);
                if (u >= 0 && u <= 1 && t >= 0 && t <= 1) {
                    return {
                        plotX: a1.plotX + (t * saX),
                        plotY: a1.plotY + (t * saY)
                    };
                }
            }
            return false;
        }
        // Parameter opt (indicator options object) include indicator, points,
        // nextPoints, color, options, gappedExtend and graph properties
        function drawSenkouSpan(opt) {
            var indicator = opt.indicator;
            indicator.points = opt.points;
            indicator.nextPoints = opt.nextPoints;
            indicator.color = opt.color;
            indicator.options = merge(opt.options.senkouSpan.styles, opt.gap);
            indicator.graph = opt.graph;
            indicator.fillGraph = true;
            SMA.prototype.drawGraph.call(indicator);
        }
        // Data integrity in Ichimoku is different than default "averages":
        // Point: [undefined, value, value, ...] is correct
        // Point: [undefined, undefined, undefined, ...] is incorrect
        H.approximations['ichimoku-averages'] = function () {
            var ret = [],
                isEmptyRange;
            [].forEach.call(arguments, function (arr, i) {
                ret.push(H.approximations.average(arr));
                isEmptyRange = !isEmptyRange && typeof ret[i] === 'undefined';
            });
            // Return undefined when first elem. is undefined and let
            // sum method handle null (#7377)
            return isEmptyRange ? void 0 : ret;
        };
        /* eslint-enable require-jsdoc */
        /**
         * The IKH series type.
         *
         * @private
         * @class
         * @name Highcharts.seriesTypes.ikh
         *
         * @augments Highcharts.Series
         */
        seriesType('ikh', 'sma', 
        /**
         * Ichimoku Kinko Hyo (IKH). This series requires `linkedTo` option to be
         * set.
         *
         * @sample stock/indicators/ichimoku-kinko-hyo
         *         Ichimoku Kinko Hyo indicator
         *
         * @extends      plotOptions.sma
         * @since        6.0.0
         * @excluding    allAreas, colorAxis, compare, compareBase, joinBy, keys,
         *               navigatorOptions, pointInterval, pointIntervalUnit,
         *               pointPlacement, pointRange, pointStart, showInNavigator,
         *               stacking
         * @product      highstock
         * @requires     stock/indicators/indicators
         * @requires     stock/indicators/ichimoku-kinko-hyo
         * @optionparent plotOptions.ikh
         */
        {
            params: {
                period: 26,
                /**
                 * The base period for Tenkan calculations.
                 */
                periodTenkan: 9,
                /**
                 * The base period for Senkou Span B calculations
                 */
                periodSenkouSpanB: 52
            },
            marker: {
                enabled: false
            },
            tooltip: {
                pointFormat: '<span style="color:{point.color}">\u25CF</span> <b> {series.name}</b><br/>' +
                    'TENKAN SEN: {point.tenkanSen:.3f}<br/>' +
                    'KIJUN SEN: {point.kijunSen:.3f}<br/>' +
                    'CHIKOU SPAN: {point.chikouSpan:.3f}<br/>' +
                    'SENKOU SPAN A: {point.senkouSpanA:.3f}<br/>' +
                    'SENKOU SPAN B: {point.senkouSpanB:.3f}<br/>'
            },
            /**
             * The styles for Tenkan line
             */
            tenkanLine: {
                styles: {
                    /**
                     * Pixel width of the line.
                     */
                    lineWidth: 1,
                    /**
                     * Color of the line.
                     *
                     * @type {Highcharts.ColorString}
                     */
                    lineColor: void 0
                }
            },
            /**
             * The styles for Kijun line
             */
            kijunLine: {
                styles: {
                    /**
                     * Pixel width of the line.
                     */
                    lineWidth: 1,
                    /**
                     * Color of the line.
                     *
                     * @type {Highcharts.ColorString}
                     */
                    lineColor: void 0
                }
            },
            /**
             * The styles for Chikou line
             */
            chikouLine: {
                styles: {
                    /**
                     * Pixel width of the line.
                     */
                    lineWidth: 1,
                    /**
                     * Color of the line.
                     *
                     * @type {Highcharts.ColorString}
                     */
                    lineColor: void 0
                }
            },
            /**
             * The styles for Senkou Span A line
             */
            senkouSpanA: {
                styles: {
                    /**
                     * Pixel width of the line.
                     */
                    lineWidth: 1,
                    /**
                     * Color of the line.
                     *
                     * @type {Highcharts.ColorString}
                     */
                    lineColor: void 0
                }
            },
            /**
             * The styles for Senkou Span B line
             */
            senkouSpanB: {
                styles: {
                    /**
                     * Pixel width of the line.
                     */
                    lineWidth: 1,
                    /**
                     * Color of the line.
                     *
                     * @type {Highcharts.ColorString}
                     */
                    lineColor: void 0
                }
            },
            /**
             * The styles for area between Senkou Span A and B.
             */
            senkouSpan: {
                /**
                * Color of the area between Senkou Span A and B,
                * when Senkou Span A is above Senkou Span B. Note that if
                * a `style.fill` is defined, the `color` takes precedence and
                * the `style.fill` is ignored.
                *
                * @see [senkouSpan.styles.fill](#series.ikh.senkouSpan.styles.fill)
                *
                * @sample stock/indicators/ichimoku-kinko-hyo
                *         Ichimoku Kinko Hyo color
                *
                * @type      {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
                * @since     7.0.0
                * @apioption plotOptions.ikh.senkouSpan.color
                */
                /**
                * Color of the area between Senkou Span A and B,
                * when Senkou Span A is under Senkou Span B.
                *
                * @sample stock/indicators/ikh-negative-color
                *         Ichimoku Kinko Hyo negativeColor
                *
                * @type      {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
                * @since     7.0.0
                * @apioption plotOptions.ikh.senkouSpan.negativeColor
                */
                styles: {
                    /**
                     * Color of the area between Senkou Span A and B.
                     *
                     * @deprecated
                     * @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
                     */
                    fill: 'rgba(255, 0, 0, 0.5)'
                }
            },
            dataGrouping: {
                approximation: 'ichimoku-averages'
            }
        }, 
        /**
         * @lends Highcharts.Series#
         */
        {
            pointArrayMap: [
                'tenkanSen',
                'kijunSen',
                'chikouSpan',
                'senkouSpanA',
                'senkouSpanB'
            ],
            pointValKey: 'tenkanSen',
            nameComponents: ['periodSenkouSpanB', 'period', 'periodTenkan'],
            init: function () {
                SMA.prototype.init.apply(this, arguments);
                // Set default color for lines:
                this.options = merge({
                    tenkanLine: {
                        styles: {
                            lineColor: this.color
                        }
                    },
                    kijunLine: {
                        styles: {
                            lineColor: this.color
                        }
                    },
                    chikouLine: {
                        styles: {
                            lineColor: this.color
                        }
                    },
                    senkouSpanA: {
                        styles: {
                            lineColor: this.color,
                            fill: color(this.color).setOpacity(0.5).get()
                        }
                    },
                    senkouSpanB: {
                        styles: {
                            lineColor: this.color,
                            fill: color(this.color).setOpacity(0.5).get()
                        }
                    },
                    senkouSpan: {
                        styles: {
                            fill: color(this.color).setOpacity(0.2).get()
                        }
                    }
                }, this.options);
            },
            toYData: function (point) {
                return [
                    point.tenkanSen,
                    point.kijunSen,
                    point.chikouSpan,
                    point.senkouSpanA,
                    point.senkouSpanB
                ];
            },
            translate: function () {
                var indicator = this;
                SMA.prototype.translate.apply(indicator);
                indicator.points.forEach(function (point) {
                    indicator.pointArrayMap.forEach(function (value) {
                        if (defined(point[value])) {
                            point['plot' + value] =
                                indicator.yAxis.toPixels(point[value], true);
                            // Add extra parameters for support tooltip in moved
                            // lines
                            point.plotY = point['plot' + value];
                            point.tooltipPos = [
                                point.plotX,
                                point['plot' + value]
                            ];
                            point.isNull = false;
                        }
                    });
                });
            },
            // One does not simply
            // Render five linesZ
            // And an arearange
            // In just one series..
            drawGraph: function () {
                var indicator = this,
                    mainLinePoints = (indicator.points),
                    pointsLength = mainLinePoints.length,
                    mainLineOptions = (indicator.options),
                    mainLinePath = (indicator.graph),
                    mainColor = indicator.color,
                    gappedExtend = {
                        options: {
                            gapSize: mainLineOptions.gapSize
                        }
                    },
                    pointArrayMapLength = indicator.pointArrayMap.length,
                    allIchimokuPoints = [[],
                    [],
                    [],
                    [],
                    [],
                    []],
                    ikhMap = {
                        tenkanLine: allIchimokuPoints[0],
                        kijunLine: allIchimokuPoints[1],
                        chikouLine: allIchimokuPoints[2],
                        senkouSpanA: allIchimokuPoints[3],
                        senkouSpanB: allIchimokuPoints[4],
                        senkouSpan: allIchimokuPoints[5]
                    },
                    intersectIndexColl = [],
                    senkouSpanOptions = indicator.options.senkouSpan,
                    color = (senkouSpanOptions.color ||
                        senkouSpanOptions.styles.fill),
                    negativeColor = (senkouSpanOptions.negativeColor), 
                    // Points to create color and negativeColor senkouSpan
                    points = [
                        [],
                        [] // Points negative color
                    ], 
                    // For span, we need an access to the next points, used in
                    // getGraphPath()
                    nextPoints = [
                        [],
                        [] // NextPoints negative color
                    ],
                    lineIndex = 0,
                    position,
                    point,
                    i,
                    startIntersect,
                    endIntersect,
                    sectionPoints,
                    sectionNextPoints,
                    pointsPlotYSum,
                    nextPointsPlotYSum,
                    senkouSpanTempColor,
                    concatArrIndex,
                    j,
                    k;
                indicator.ikhMap = ikhMap;
                // Generate points for all lines and spans lines:
                while (pointsLength--) {
                    point = mainLinePoints[pointsLength];
                    for (i = 0; i < pointArrayMapLength; i++) {
                        position = indicator.pointArrayMap[i];
                        if (defined(point[position])) {
                            allIchimokuPoints[i].push({
                                plotX: point.plotX,
                                plotY: point['plot' + position],
                                isNull: false
                            });
                        }
                    }
                    if (negativeColor &&
                        pointsLength !== mainLinePoints.length - 1) {
                        // Check if lines intersect
                        var index = ikhMap.senkouSpanB.length - 1,
                            intersect = checkLineIntersection(ikhMap.senkouSpanA[index - 1],
                            ikhMap.senkouSpanA[index],
                            ikhMap.senkouSpanB[index - 1],
                            ikhMap.senkouSpanB[index]),
                            intersectPointObj = {
                                plotX: intersect.plotX,
                                plotY: intersect.plotY,
                                isNull: false,
                                intersectPoint: true
                            };
                        if (intersect) {
                            // Add intersect point to ichimoku points collection
                            // Create senkouSpan sections
                            ikhMap.senkouSpanA.splice(index, 0, intersectPointObj);
                            ikhMap.senkouSpanB.splice(index, 0, intersectPointObj);
                            intersectIndexColl.push(index);
                        }
                    }
                }
                // Modify options and generate lines:
                objectEach(ikhMap, function (values, lineName) {
                    if (mainLineOptions[lineName] &&
                        lineName !== 'senkouSpan') {
                        // First line is rendered by default option
                        indicator.points = allIchimokuPoints[lineIndex];
                        indicator.options = merge(mainLineOptions[lineName].styles, gappedExtend);
                        indicator.graph = indicator['graph' + lineName];
                        indicator.fillGraph = false;
                        indicator.color = mainColor;
                        SMA.prototype.drawGraph.call(indicator);
                        // Now save line
                        indicator['graph' + lineName] = indicator.graph;
                    }
                    lineIndex++;
                });
                // Generate senkouSpan area:
                // If graphColection exist then remove svg
                // element and indicator property
                if (indicator.graphCollection) {
                    indicator.graphCollection.forEach(function (graphName) {
                        indicator[graphName].destroy();
                        delete indicator[graphName];
                    });
                }
                // Clean grapCollection or initialize it
                indicator.graphCollection = [];
                // When user set negativeColor property
                if (negativeColor &&
                    ikhMap.senkouSpanA[0] &&
                    ikhMap.senkouSpanB[0]) {
                    // Add first and last point to senkouSpan area sections
                    intersectIndexColl.unshift(0);
                    intersectIndexColl.push(ikhMap.senkouSpanA.length - 1);
                    // Populate points and nextPoints arrays
                    for (j = 0; j < intersectIndexColl.length - 1; j++) {
                        startIntersect = intersectIndexColl[j];
                        endIntersect = intersectIndexColl[j + 1];
                        sectionPoints = ikhMap.senkouSpanB.slice(startIntersect, endIntersect + 1);
                        sectionNextPoints = ikhMap.senkouSpanA.slice(startIntersect, endIntersect + 1);
                        // Add points to color or negativeColor arrays
                        // Check the middle point (if exist)
                        if (Math.floor(sectionPoints.length / 2) >= 1) {
                            var x = Math.floor(sectionPoints.length / 2);
                            // When middle points has equal values
                            // Compare all ponints plotY value sum
                            if (sectionPoints[x].plotY ===
                                sectionNextPoints[x].plotY) {
                                pointsPlotYSum = 0;
                                nextPointsPlotYSum = 0;
                                for (k = 0; k < sectionPoints.length; k++) {
                                    pointsPlotYSum +=
                                        sectionPoints[k].plotY;
                                    nextPointsPlotYSum +=
                                        sectionNextPoints[k].plotY;
                                }
                                concatArrIndex = (pointsPlotYSum > nextPointsPlotYSum ? 0 : 1);
                                points[concatArrIndex] = (points[concatArrIndex].concat(sectionPoints));
                                nextPoints[concatArrIndex] = (nextPoints[concatArrIndex].concat(sectionNextPoints));
                            }
                            else {
                                // Compare middle point of the section
                                concatArrIndex = (sectionPoints[x].plotY >
                                    sectionNextPoints[x].plotY ?
                                    0 : 1);
                                points[concatArrIndex] = (points[concatArrIndex].concat(sectionPoints));
                                nextPoints[concatArrIndex] = (nextPoints[concatArrIndex].concat(sectionNextPoints));
                            }
                        }
                        else {
                            // Compare first point of the section
                            concatArrIndex = (sectionPoints[0].plotY >
                                sectionNextPoints[0].plotY ?
                                0 : 1);
                            points[concatArrIndex] = (points[concatArrIndex].concat(sectionPoints));
                            nextPoints[concatArrIndex] = (nextPoints[concatArrIndex].concat(sectionNextPoints));
                        }
                    }
                    // Render color and negativeColor paths
                    [
                        'graphsenkouSpanColor', 'graphsenkouSpanNegativeColor'
                    ].forEach(function (areaName, i) {
                        if (points[i].length && nextPoints[i].length) {
                            senkouSpanTempColor = (i === 0) ?
                                color : negativeColor;
                            drawSenkouSpan({
                                indicator: indicator,
                                points: points[i],
                                nextPoints: nextPoints[i],
                                color: senkouSpanTempColor,
                                options: mainLineOptions,
                                gap: gappedExtend,
                                graph: indicator[areaName]
                            });
                            // Now save line
                            indicator[areaName] = indicator.graph;
                            indicator.graphCollection.push(areaName);
                        }
                    });
                }
                else {
                    // When user set only senkouSpan style.fill property
                    drawSenkouSpan({
                        indicator: indicator,
                        points: ikhMap.senkouSpanB,
                        nextPoints: ikhMap.senkouSpanA,
                        color: color,
                        options: mainLineOptions,
                        gap: gappedExtend,
                        graph: indicator.graphsenkouSpan
                    });
                    // Now save line
                    indicator.graphsenkouSpan = indicator.graph;
                }
                // Clean temporary properties:
                delete indicator.nextPoints;
                delete indicator.fillGraph;
                // Restore options and draw the Tenkan line:
                indicator.points = mainLinePoints;
                indicator.options = mainLineOptions;
                indicator.graph = mainLinePath;
            },
            getGraphPath: function (points) {
                var indicator = this,
                    path = [],
                    spanA,
                    spanAarr = [];
                points = points || this.points;
                // Render Senkou Span
                if (indicator.fillGraph && indicator.nextPoints) {
                    spanA = SMA.prototype.getGraphPath.call(indicator, 
                    // Reverse points, so Senkou Span A will start from the end:
                    indicator.nextPoints);
                    spanA[0][0] = 'L';
                    path = SMA.prototype.getGraphPath.call(indicator, points);
                    spanAarr = spanA.slice(0, path.length);
                    for (var i = spanAarr.length - 1; i >= 0; i--) {
                        path.push(spanAarr[i]);
                    }
                }
                else {
                    path = SMA.prototype.getGraphPath.apply(indicator, arguments);
                }
                return path;
            },
            getValues: function (series, params) {
                var period = params.period,
                    periodTenkan = params.periodTenkan,
                    periodSenkouSpanB = params.periodSenkouSpanB,
                    xVal = series.xData,
                    yVal = series.yData,
                    xAxis = series.xAxis,
                    yValLen = (yVal && yVal.length) || 0,
                    closestPointRange = getClosestPointRange(xAxis),
                    IKH = [],
                    xData = [],
                    dateStart,
                    date,
                    slicedTSY,
                    slicedKSY,
                    slicedSSBY,
                    pointTS,
                    pointKS,
                    pointSSB,
                    i,
                    TS,
                    KS,
                    CS,
                    SSA,
                    SSB;
                // Ikh requires close value
                if (xVal.length <= period ||
                    !isArray(yVal[0]) ||
                    yVal[0].length !== 4) {
                    return;
                }
                // Add timestamps at the beginning
                dateStart = xVal[0] - (period * closestPointRange);
                for (i = 0; i < period; i++) {
                    xData.push(dateStart + i * closestPointRange);
                }
                for (i = 0; i < yValLen; i++) {
                    // Tenkan Sen
                    if (i >= periodTenkan) {
                        slicedTSY = yVal.slice(i - periodTenkan, i);
                        pointTS = highlowLevel(slicedTSY);
                        TS = (pointTS.high + pointTS.low) / 2;
                    }
                    if (i >= period) {
                        slicedKSY = yVal.slice(i - period, i);
                        pointKS = highlowLevel(slicedKSY);
                        KS = (pointKS.high + pointKS.low) / 2;
                        SSA = (TS + KS) / 2;
                    }
                    if (i >= periodSenkouSpanB) {
                        slicedSSBY = yVal.slice(i - periodSenkouSpanB, i);
                        pointSSB = highlowLevel(slicedSSBY);
                        SSB = (pointSSB.high + pointSSB.low) / 2;
                    }
                    CS = yVal[i][3];
                    date = xVal[i];
                    if (IKH[i] === UNDEFINED) {
                        IKH[i] = [];
                    }
                    if (IKH[i + period] === UNDEFINED) {
                        IKH[i + period] = [];
                    }
                    IKH[i + period][0] = TS;
                    IKH[i + period][1] = KS;
                    IKH[i + period][2] = UNDEFINED;
                    IKH[i][2] = CS;
                    if (i <= period) {
                        IKH[i + period][3] = UNDEFINED;
                        IKH[i + period][4] = UNDEFINED;
                    }
                    if (IKH[i + 2 * period] === UNDEFINED) {
                        IKH[i + 2 * period] = [];
                    }
                    IKH[i + 2 * period][3] = SSA;
                    IKH[i + 2 * period][4] = SSB;
                    xData.push(date);
                }
                // Add timestamps for further points
                for (i = 1; i <= period; i++) {
                    xData.push(date + i * closestPointRange);
                }
                return {
                    values: IKH,
                    xData: xData,
                    yData: IKH
                };
            }
        });
        /**
         * A `IKH` series. If the [type](#series.ikh.type) option is not
         * specified, it is inherited from [chart.type](#chart.type).
         *
         * @extends   series,plotOptions.ikh
         * @since     6.0.0
         * @product   highstock
         * @excluding dataParser, dataURL
         * @requires  stock/indicators/indicators
         * @requires  stock/indicators/ichimoku-kinko-hyo
         * @apioption series.ikh
         */
        ''; // add doclet above to transpiled file

    });
    _registerModule(_modules, 'masters/indicators/ichimoku-kinko-hyo.src.js', [], function () {


    });
}));