Backoff strategy

Backoff.tsx

/**
 * Linear backoff strategy
 */
export class Backoff {

	private timeMillisToSleep: number;
	private start: number;
	private max: number;
	private step: number;

	constructor(start: number, max: number, stepSize: number = 25) {
		this.timeMillisToSleep = start;
		this.start = start;
		this.max = max;
		this.step = (max - start) / stepSize;
	}

	public reset(): void {
		this.timeMillisToSleep = this.start;
	}

	public backoff(): void {
		this.timeMillisToSleep = Math.min(this.timeMillisToSleep + this.step, this.max);
	}

	public getSleepTime(): number {
		return this.timeMillisToSleep;
	}
}