canvas-trading/dist/src/classes/MountedClasses.js

Interactive HTML5 Canvas Trading Chart

var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var MountedIndicator = /** @class */ (function () {
    function MountedIndicator(type, value, yPos) {
        this.type = type;
        this.yPos = yPos;
        this.value = value;
    }
    return MountedIndicator;
}());
export { MountedIndicator };
var MountedTrade = /** @class */ (function () {
    function MountedTrade(tradeType, profitable, yPos) {
        this.type = 'trade';
        this.tradeType = tradeType;
        this.profitable = profitable;
        this.yPos = yPos;
    }
    return MountedTrade;
}());
export { MountedTrade };
var CandleMountPoints = /** @class */ (function () {
    function CandleMountPoints(candleWidth, candleIndicators, trades, low, high, above) {
        this.above = [];
        this.below = [];
        this.mountIndicators(candleWidth, candleIndicators, trades, low, high, above);
    }
    CandleMountPoints.prototype.mountIndicators = function (candleWidth, indicators, trades, low, high, above) {
        var _this = this;
        // mount revBar
        if (indicators.revBar === 'sell') {
            this.mountUp('revBar', 'sell', candleWidth, high);
        }
        else if (indicators.revBar === 'buy') {
            this.mountDown('revBar', 'buy', candleWidth, low);
        }
        // mount fractal
        if (indicators.fractal === 'up') {
            this.mountUp('fractal', 'up', candleWidth, high);
        }
        else if (indicators.fractal === 'down') {
            this.mountDown('fractal', 'down', candleWidth, low);
        }
        // mount trade if both start and end are in this candle
        trades.forEach(function (trade) {
            var tradeID = trade.tradeID;
            var foundStart = !trade.isThisCandleEnd && trade.isThisCandleStart;
            var foundEnd = trades.find(function (trade) {
                return trade.tradeID === tradeID &&
                    trade.isThisCandleEnd &&
                    !trade.isThisCandleStart;
            });
            if (foundStart && foundEnd) {
                var profit = trade.profit;
                if (above)
                    _this.mountDown('trade', profit, candleWidth, low, trade.tradeType);
                else
                    _this.mountUp('trade', profit, candleWidth, high, trade.tradeType);
            }
        });
    };
    CandleMountPoints.prototype.mountUp = function (type, value, candleWidth, high, tradeType) {
        var yGap = candleWidth;
        var retObj = {
            type: type,
            value: value,
            yPos: high - yGap * (1 + this.above.length),
        };
        var isTrade = type === 'trade' && tradeType;
        this.above.push(isTrade
            ? __assign(__assign({}, retObj), { tradeType: tradeType, 
                //? when its a trade, value is a number
                profitable: Number(value) > 0 })
            : retObj);
    };
    CandleMountPoints.prototype.mountDown = function (type, value, candleWidth, low, tradeType) {
        var yGap = candleWidth;
        var retObj = {
            type: type,
            value: value,
            yPos: low + yGap * (1 + this.below.length),
        };
        var isTrade = type === 'trade' && tradeType;
        this.below.push(isTrade
            ? __assign(__assign({}, retObj), { tradeType: tradeType, 
                //? when its a trade, value is a number
                profitable: Number(value) > 0 })
            : retObj);
    };
    return CandleMountPoints;
}());
export { CandleMountPoints };