How can I troubleshoot middleware issues in Express?

How can I troubleshoot middleware issues in Express?

To troubleshoot middleware issues in Express, start by checking the order of your middleware functions. Ensure they are defined correctly and in the right sequence.

What if my middleware is not being called at all?

If your middleware isn't being called, check if the route it's supposed to handle is correctly defined and that the middleware is attached to the right route.

How can I log errors in my middleware?

You can log errors in your middleware by using console.error() within your middleware function or by using a logging library like Winston.

Are there any common middleware issues I should be aware of?

Yes, common issues include incorrect order of middleware, missing next() calls, and not handling errors properly.