all files / technicalindicators/lib/candlestick/ DownsideTasukiGap.js

100% Statements 22/22
100% Branches 9/9
100% Functions 2/2
100% Lines 22/22
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37                              
const CandlestickFinder = require('./CandlestickFinder');
 
class DownsideTasukiGap extends CandlestickFinder {
    constructor() {
        super();
        this.requiredCount  = 3;
        this.name = 'DownsideTasukiGap';
    }
    logic (data) {
        let firstdaysOpen   = data.open[0];
        let firstdaysClose  = data.close[0];
        let firstdaysHigh   = data.high[0];
        let firstdaysLow    = data.low[0]
        let seconddaysOpen  = data.open[1];
        let seconddaysClose = data.close[1];
        let seconddaysHigh  = data.high[1];
        let seconddaysLow   = data.low[1];
        let thirddaysOpen   = data.open[2];
        let thirddaysClose  = data.close[2];
        let thirddaysHigh   = data.high[2];
        let thirddaysLow    = data.low[2];
        
        let isFirstBearish       = firstdaysClose < firstdaysOpen;
        let isSecondBearish      = seconddaysClose < seconddaysOpen;
        let isThirdBullish       = thirddaysClose > thirddaysOpen;
        let isFirstGapExists     = seconddaysHigh < firstdaysLow;
        let isDownsideTasukiGap  = ((seconddaysOpen > thirddaysOpen) && 
                                   (seconddaysClose < thirddaysOpen) &&
                                   (thirddaysClose > seconddaysOpen) &&
                                   (thirddaysClose < firstdaysClose));              
   
        return (isFirstBearish && isSecondBearish && isThirdBullish && isFirstGapExists && isDownsideTasukiGap);
        
   }
}
 
module.exports = DownsideTasukiGap;