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?

Keeping middleware small enhances readability, maintainability, and reusability, making it easier to debug and test.

What is error-handling middleware?

Error-handling middleware is a special type of middleware that catches errors in your application and sends appropriate responses.

How do I implement error-handling middleware in my Express app?

You can implement it by defining a middleware function with four parameters: err, req, res, and next, and placing it after your routes.