What are the best practices for using middleware in Express?

What are the best practices for using middleware in Express?

Some best practices include organizing middleware logically, using error-handling middleware, and keeping middleware small and focused.

Can you explain why it's important to keep middleware small and focused?

Keeping middleware small and focused improves readability, maintainability, and makes it easier to test individual components.

What are some common types of middleware I should use?

Common types include logging middleware, authentication middleware, and body-parsing middleware.

How do I handle errors in middleware?

You can handle errors by defining an error-handling middleware function that takes four parameters: err, req, res, and next.