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Solution: Dynamic Registration Form with Optimistic Feedback

Solution: Dynamic Registration Form with Optimistic Feedback

Check out the solution that combines controlled inputs, validation, useFormStatus for pending UI, useActionState for result handling, and useOptimistic for instant feedback.

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Below is the complete implementation of the dynamic registration form using useFormStatus, useActionState, and useOptimistic to deliver instant, reliable, and user-friendly feedback.

Solution

Here’s the implementation for the dynamic registration form with optimistic feedback using React 19 hooks:

Code explanation

In RegistrationForm.js:

  • Lines 7–26: registerAction is the async action (React 19 pattern). It performs server-like validation for name, email, and password, then returns either { error: ... } or { success: ... } after a simulated delay.

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