import * as React from "react"; import Login, { UsernameContext } from "./components/Login"; import Home from "./components/Home"; import Timetable from "./components/Timetable"; import TimeSlot from './components/TimeSlot'; import { createBrowserRouter, RouterProvider } from "react-router-dom"; const router = createBrowserRouter([ { path: "/", element: }, { path: "/login", element: }, { path: "/timetable/:timetableID", element: }, { path: "/timetable/:timetableID/:timeslotID", element: }, ]); function App() { const [username, setUsername] = React.useState(""); const [token, setToken] = React.useState(""); return ( ); } export default App;