lru-cache
A fast cache that automatically deletes the least recently used items
...The library is widely used in server side JavaScript applications where efficient caching can significantly improve performance. It offers flexible configuration options such as max size limits, time based expiration, and custom disposal logic. Developers can use it to cache expensive computations, API responses, or frequently accessed data. The implementation focuses on correctness, speed, and compatibility with modern Node.js environments. Overall, node-lru-cache provides a reliable building block for performance optimization in JavaScript backends.