import React, {useState} from 'react'; import './index.css'; import ClientScreen from './ClientScreen'; import Controls from './Controls.tsx'; import JoinForm from './JoinForm.tsx'; import {createRoot} from 'react-dom/client'; function App() { const [id, setId] = useState(null); return <> {id === null && setId(name)}/>} {id == null || } ; } createRoot(document.getElementById('root')!).render( );