What are the common performance issues with EventEmitter in Node.js?

What are the common performance issues with EventEmitter in Node.js?

Common performance issues with EventEmitter include memory leaks, excessive event listeners, and slow event handling.

How can I prevent memory leaks when using EventEmitter?

To prevent memory leaks, ensure to remove event listeners when they are no longer needed, especially in long-lived objects.

What tools can I use to monitor EventEmitter performance?

You can use tools like Node.js built-in profiler, clinic.js, or the Chrome DevTools for monitoring performance.

Are there any best practices for using EventEmitter?

Yes, best practices include limiting the number of listeners, using once() for single-use listeners, and managing listener scope.