Handling Server Actions in Next.js with useTransition: Step-by-Step Demo & Best Practices
Learn how to seamlessly call and manage Next.js server actions from client components using the React 18 useTransition hook! I’ll walk you through why you need this pattern, explain each step with code, and show you how to handle form submissions, pass data, manage pending states, update UI, and debug common issues. Whether you’re building forms, dashboards, or any interactive app, this video will help you make your Next.js apps faster, smoother, and more responsive. Subscribe for more practical Next.js tutorials!
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⌛TIMELINE⏳
0:00 Intro: What are server actions and why use useTransition?
0:50 Explaining useTransition hook and basic syntax
2:40 Two key steps you must always follow: define server action, call from client
4:05 Getting user data from a form with FormData
6:20 Calling the server action and passing the data from client to server
8:40 Updating client state after the server action completes
9:40 Running the app and checking for warnings/errors
10:50 Re-running and verifying the UX—watch for flickers, loading states
11:30 Challenge for viewers: Try implementing this pattern in your own project