What are some common mistakes with promises in Express.js?

What are some common mistakes with promises in Express.js?

Some common mistakes include not returning promises, forgetting to handle rejections, and nesting promises.

Can you explain why not returning promises is a mistake?

Not returning promises can lead to unhandled promise rejections, making it difficult to manage errors properly.

What happens if I forget to handle rejections?

If you forget to handle rejections, your application may crash or behave unexpectedly when an error occurs.

How can I properly handle promise rejections in Express.js?

You can use .catch() to handle rejections or use async/await with try/catch blocks for better error management.