What are error boundaries in Next.js?

What are error boundaries in Next.js?

Error boundaries are React components that catch JavaScript errors in their child component tree, log those errors, and display a fallback UI.

How do I implement error boundaries in my Next.js app?

You can create a class component that implements the componentDidCatch lifecycle method and use it to wrap your components.

Can I use error boundaries with functional components?

Yes, you can use error boundaries with functional components by wrapping them in a class component that acts as the error boundary.

What happens if an error occurs outside of an error boundary?

If an error occurs outside of an error boundary, it will crash the entire application, so it's important to wrap critical parts of your app.