FieldData
<FieldData> lets you watch the value of a field’s data. It accepts a field and a render prop as its child, which
is called every time the data changes.
The counterpart hook is useFieldData.
Sample usage
Section titled “Sample usage”const form = useForm({ initialValues: { name: "" }});return ( <FieldData field={form("name")}> { name => <div>Your name is: {name} </div> } </FieldData>)function FieldData<T>(props: { // The field to watch the value for field: FormField<T> // A render function which will be passed the value children: (value: T) => ReactNode})