@geersch/retry/dist/strategies/fibonacci.backoff-strategy.js

Backoff strategies to use when retrying a function after a given delay.

export class FibonacciBackoffStrategy {
    baseDelay;
    prevDelay;
    currentDelay;
    constructor({ baseDelay = 100 } = {}) {
        this.baseDelay = baseDelay;
        this.prevDelay = 0;
        this.currentDelay = 1;
    }
    *getGenerator(maxRetries) {
        let attempt = 0;
        while (attempt < maxRetries) {
            const nextDelay = this.baseDelay * this.currentDelay;
            yield nextDelay;
            const sum = this.prevDelay + this.currentDelay;
            this.prevDelay = this.currentDelay;
            this.currentDelay = sum;
            attempt += 1;
        }
    }
}
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