trading-signals/dist/trend/TEMA/TEMA.js

Technical indicators to run technical analysis with JavaScript / TypeScript.

import { IndicatorSeries } from '../../base/Indicator.js';
import { EMA } from '../EMA/EMA.js';
export class TEMA extends IndicatorSeries {
    #single;
    #double;
    #triple;
    interval;
    constructor(interval) {
        super();
        this.interval = interval;
        this.#single = new EMA(interval);
        this.#double = new EMA(interval);
        this.#triple = new EMA(interval);
    }
    getRequiredInputs() {
        return 3 * (this.interval - 1) + 1;
    }
    update(price, replace) {
        const single = this.#single.update(price, replace);
        if (this.#single.isStable) {
            const double = this.#double.update(single, replace);
            if (this.#double.isStable) {
                const triple = this.#triple.update(double, replace);
                if (this.#triple.isStable) {
                    return this.setResult(3 * single - 3 * double + triple, replace);
                }
            }
        }
        return null;
    }
}
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