syncguard/redis/index.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 { lock } from "../common/auto-lock.js";
import { createRedisBackend } from "./backend.js";
/**
 * Creates distributed lock with Redis backend via ioredis client
 * @param redis - ioredis client instance
 * @param options - Retry, TTL, and key prefix config
 * @returns Auto-managed lock function (see: common/auto-lock.ts)
 */
export function createLock(redis, options = {}) {
    const backend = createRedisBackend(redis, options);
    return (fn, config) => {
        return lock(backend, fn, config);
    };
}
// Re-exports for custom backend implementations
export { createRedisBackend } from "./backend.js";