What are some common errors when using async hooks in Node.js?
Some common errors include forgetting to call the enable()
method, not properly managing the lifecycle of async resources, and issues with context propagation.
Can you explain what context propagation means?
Context propagation refers to the ability to maintain the execution context across asynchronous calls, ensuring that data is accessible throughout the async flow.
What happens if I forget to call enable()
?
If you forget to call enable()
, the async hooks won't be activated, and you won't be able to track the lifecycle of asynchronous operations.
Are there any tools to help debug async hooks?
Yes, you can use tools like async_hooks
built into Node.js, or third-party libraries like async-local-storage
for better context management.
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