import ReactDOM from "react-dom/client"
import { useState, useActionState } from "react"
import { updateNameInDB } from "./api"
function App() {
const [name, actionFunction, isPending] = useActionState(
updateName,
JSON.parse(localStorage.getItem("name")) || "Anonymous user"
)
async function updateName(prevState, formData) {
try {
const newName = await updateNameInDB(formData.get("name"))
return newName
} catch (error) {
console.error(error.message)
}
}
return (
<>
<p className="username">
Current user: <span>{name}</span>
</p>
{isPending && <p>Loading...</p>}
<form action={actionFunction}>
<input
type="text"
name="name"
required
/>
<button type="submit">Update</button>
</form>
</>
)
}
ReactDOM.createRoot(document.getElementById("root")).render(<App />)