What are some real-world examples of using async hooks in Node.js?
Async hooks in Node.js are used to track asynchronous resources. For example, they can be used in logging, monitoring, and debugging applications.
Can you give me a specific example of how async hooks improve logging?
Sure! By using async hooks, you can attach a unique identifier to each asynchronous operation, allowing you to correlate logs from different parts of your application.
How does that help in debugging?
It helps by providing context in your logs, so you can see the flow of requests and identify where things went wrong more easily.
Are there any libraries that utilize async hooks?
Yes, libraries like 'cls-hooked' and 'async_hooks' itself provide utilities to manage context across asynchronous calls.
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