What are some practical use cases for async hooks in Node.js?
Async hooks in Node.js are useful for tracking asynchronous operations. Common use cases include monitoring request lifecycles, managing context for logging, and debugging asynchronous code.
Can you give an example of how to use async hooks for request tracking?
Sure! You can create an async hook to store request data in a context object, allowing you to access it throughout the request's lifecycle.
What are the performance implications of using async hooks?
While async hooks provide powerful tracking capabilities, they can introduce overhead. It's important to use them judiciously to avoid performance bottlenecks.
Are there any libraries that simplify using async hooks?
Yes, libraries like 'cls-hooked' and 'async_hooks' provide abstractions that make it easier to work with async hooks in Node.js.
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