Question 1

How do I change the styling of FirebaseUI in my React app?

Accepted Answer

You can override CSS by importing a global stylesheet (e.g., firebaseui-styling.global.css) or using style tags. The README provides examples and webpack configurations for handling CSS modules and global styles.

Question 2

Does FirebaseUI React work with Next.js server-side rendering?

Accepted Answer

No, it does not support SSR. The library relies on client-side FirebaseUI, so authentication pages in Next.js must be client-side rendered or use alternative solutions like dynamic imports.

Question 3

FirebaseUI React vs using the Firebase Auth SDK directly: which should I choose?

Accepted Answer

FirebaseUI React is ideal for quick setup with pre-built UI, while the SDK directly offers more control but requires building UI components from scratch. Choose based on your need for speed versus customization.

Question 4

How to add a custom social login provider like GitHub with FirebaseUI React?

Accepted Answer

You need to configure it in the Firebase Console and add the provider ID to signInOptions in uiConfig. However, it's limited to providers natively supported by Firebase Auth, so custom OAuth may require workarounds.

Question 5

Can I use FirebaseUI React with TypeScript?

Accepted Answer

Yes, the library is compatible with TypeScript. Type definitions are available, and you can refer to the FirebaseUI Web types for configuration options, though checking the npm package for specifics is recommended.

Question 6

How to handle sign-out after using FirebaseUI React for sign-in?

Accepted Answer

Sign-out is handled via the Firebase Auth instance. Call firebase.auth().signOut() in your component, as shown in the local state example in the README, which updates the UI based on auth state changes.

Firebase UI for React

What is Firebase UI for React?

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