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

Techincal Indicators written in javascript

import CandlestickFinder from './CandlestickFinder';
export default class ThreeWhiteSoldiers extends CandlestickFinder {
    constructor() {
        super();
        this.name = 'ThreeWhiteSoldiers';
        this.requiredCount = 3;
    }
    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 thirddaysOpen = data.open[2];
        let thirddaysClose = data.close[2];
        let thirddaysHigh = data.high[2];
        let thirddaysLow = data.low[2];
        let isUpTrend = seconddaysHigh > firstdaysHigh &&
            thirddaysHigh > seconddaysHigh;
        let isAllBullish = firstdaysOpen < firstdaysClose &&
            seconddaysOpen < seconddaysClose &&
            thirddaysOpen < thirddaysClose;
        let doesOpenWithinPreviousBody = firstdaysClose > seconddaysOpen &&
            seconddaysOpen < firstdaysHigh &&
            seconddaysHigh > thirddaysOpen &&
            thirddaysOpen < seconddaysClose;
        return (isUpTrend && isAllBullish && (!needGap || doesOpenWithinPreviousBody));
    }
}
export function threewhitesoldiers(data, needGap) {
    return new ThreeWhiteSoldiers().hasPattern(data, needGap);
}