Node.js FAQ: Top Questions

47. How do you implement custom async resources in Node.js?

Custom async resources in Node.js, using async_hooks , allow tracking of user-defined async operations, integrating with the event loop for diagnostics.

AsyncResource: Class to represent custom async operations.
Hooks: init , before , after , destroy .
Stability: Experimental in Node.js 20.
Use Case: Tracing custom workflows.

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