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React
migration
byalexbit-codemod
React/19/Replace Use Form State
Last update
Nov 11, 2024
This codemod will replace the usages of useFormState()
to use useActionState()
, introduced in React v19.
Example
Before:
import { useFormState } from "react-dom";async function increment(previousState, formData) {return previousState + 1;}function StatefulForm({}) {const [state, formAction] = useFormState(increment, 0);return (<form>{state}<button formAction={formAction}>Increment</button></form>)}
After:
import { useActionState } from "react";async function increment(previousState, formData) {return previousState + 1;}function StatefulForm({}) {const [state, formAction] = useActionState(increment, 0);return (<form>{state}<button formAction={formAction}>Increment</button></form>)}
Before:
import * as ReactDOM from "react-dom";function StatefulForm({}) {const [state, formAction] = ReactDOM.useFormState(increment, 0);return <form></form>;}
After:
import { useActionState } from "react";function StatefulForm({}) {const [state, formAction] = useActionState(increment, 0);return <form></form>;}
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