在react中使用ts和router利用路由懒加载加载组件在indextsx中使用BrowserRouter请给出代码片段

import React from 'react'; import { BrowserRouter as Router, Route, Switch } from 'react-router-dom';

const Home = React.lazy(() => import('./components/Home')); const About = React.lazy(() => import('./components/About')); const Contact = React.lazy(() => import('./components/Contact'));

const App: React.FC = () => { return ( <React.Suspense fallback={

export default App