p-queue

Promise queue with concurrency control, version 9.3.0. Feature-complete library by Sindre Sorhus for rate-limiting async operations. Useful for REST API calls, CPU/memory intensive tasks, and batch processing. Supports concurrency limits, per-task timeouts, priority queuing, and rate limiting via interval caps. ESM-only since v7; requires Node.js >=20. Alternative to bottleneck, async.queue, or p-limit with richer scheduling features.