syncguard/common/config.js

Functional TypeScript library for distributed locking across microservices. Prevents race conditions with Redis, PostgreSQL, Firestore, and custom backends. Features automatic lock management, timeout handling, and extensible architecture.

// SPDX-FileCopyrightText: 2025-present Kriasoft
// SPDX-License-Identifier: MIT
import { BACKEND_DEFAULTS, LOCK_DEFAULTS } from "./constants.js";
/**
 * Applies backend defaults to user config for lock operations.
 * @see ./constants.ts for default values
 */
export function mergeBackendConfig(config) {
    return {
        ttlMs: config.ttlMs ?? BACKEND_DEFAULTS.ttlMs,
    };
}
/**
 * Applies retry/timeout defaults to acquisition options.
 * @see ./auto-lock.ts for usage in lock() helper
 */
export function mergeAcquisitionConfig(options) {
    return {
        maxRetries: options?.maxRetries ?? LOCK_DEFAULTS.maxRetries,
        retryDelayMs: options?.retryDelayMs ?? LOCK_DEFAULTS.retryDelayMs,
        timeoutMs: options?.timeoutMs ?? LOCK_DEFAULTS.timeoutMs,
        backoff: options?.backoff ?? LOCK_DEFAULTS.backoff,
        jitter: options?.jitter ?? LOCK_DEFAULTS.jitter,
        signal: options?.signal,
    };
}