Using Forms in Next.js (Server Actions, Revalidating Data)

Learn how to create forms and handle data mutations in the Next.js App Router. This tutorial walks through using Server Actions, creating loading and error states with useFormStatus and useFormState, as well as accessibility best practices.

0:00 – Introduction
0:06 – Demo
0:21 – Forms with Pages Router
1:05 – create-next-app
1:30 – Server Component (Data Fetching)
1:58 – Forms and action prop
3:05 – Server Actions (and useFormState)
4:32 – Progressive enhancement
5:03 – Loading states (useFormStatus)
7:13 – Revalidating data and caching
8:12 – Accessibility and error states
9:58 – Conclusion

◆ Docs: https://nextjs.org/docs/pages/buildin...
◆ Example: https://github.com/vercel/next.js/tre...
◆ React Canary Example: https://codesandbox.io/s/vigorous-cur...
◆ Server Actions: https://nextjs.org/docs/app/api-refer...
◆ "use server" : https://react.dev/reference/react/use...