What are the best practices for using middleware in Node.js?

What are the best practices for using middleware in Node.js?

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 enhances readability, maintainability, and reusability, making your codebase cleaner.

What is error-handling middleware and how do I implement it?

Error-handling middleware is a special type of middleware that catches errors in your application. You can implement it by defining a middleware function with four parameters: err, req, res, and next.

Are there any specific libraries you recommend for middleware?

Yes, popular libraries include express, cors, and body-parser, which can help streamline your middleware implementation.