useActionState

Definition

useActionState is a React Hook that let using information returned by a form action

 function async action(currentState: unknown, formData: FormData) {
  // ...
    return 'next state';
 }

 const [state, formAction, pending] = useActionState(action, null);
  // ...
  return (
    <form action={formAction}>
      {/* ... */}
    </form>
  );