Q57: What is the useActionState hook (formerly useFormState)?
useActionState is a hook designed to update state based on the result of a form action or Server Action. It accepts a target action function and initial state, returning [state, formAction, isPending]. It simplifies handling form submission feedback, errors, and pending indicators.
Key Takeaways
- Tracks return values and errors from async form actions.
- Returns state, wrapped action trigger, and a pending boolean flag.
Knowledge Check
What three items are returned in the tuple from the useActionState hook?