@sunrise1002/tats/lib/candlestick/BearishEngulfingPattern.js

Techincal Indicators written in javascript

import CandlestickFinder from './CandlestickFinder';
export default class BearishEngulfingPattern extends CandlestickFinder {
    constructor() {
        super();
        this.name = 'BearishEngulfingPattern';
        this.requiredCount = 2;
    }
    logic(data, needGap) {
        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 isBearishEngulfing = (firstdaysClose > firstdaysOpen) &&
            (firstdaysOpen > seconddaysClose) &&
            (!needGap || ((firstdaysOpen < seconddaysOpen) && (firstdaysClose < seconddaysOpen)));
        return (isBearishEngulfing);
    }
}
export function bearishengulfingpattern(data, needGap) {
    return new BearishEngulfingPattern().hasPattern(data, needGap);
}