redis-smq-common/dist/esm/src/backoff/backoff-config.js

Provides essential components and utilities shared across RedisSMQ packages.

export class BackoffConfig {
    static config = {
        baseDelay: 1000,
        maxDelay: 60_000,
        maxAttempts: 0,
        jitter: true,
    };
    static setDefaultConfig(config) {
        this.config = this.parseConfig(config);
        return this.config;
    }
    static parseConfig(cfg = {}) {
        const config = {
            ...this.config,
            ...cfg,
        };
        const { baseDelay, maxDelay, jitter, maxAttempts } = config;
        if (baseDelay < this.config.baseDelay) {
            throw new Error(`baseDelay (${baseDelay}ms) is below minimum recommended (${this.config.baseDelay}ms)`);
        }
        if (maxDelay > this.config.maxDelay) {
            throw new Error(`maxDelay (${maxDelay}ms) exceeds maximum allowed (${this.config.maxDelay}ms)`);
        }
        if (baseDelay > maxDelay) {
            throw new Error(`baseDelay (${baseDelay}ms) cannot exceed maxDelay (${maxDelay}ms)`);
        }
        if (maxAttempts < 0) {
            throw new Error(`maxAttempts (${maxAttempts}) cannot be a negative integer`);
        }
        return { baseDelay, maxDelay, jitter, maxAttempts };
    }
}
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