App.js

import { BrowserRouter as Router, Switch, Route } from 'react-router-dom';
 
import RepoList from './RepoList';
import RepoDetails from './RepoDetails';
 
import './App.css';
 
function App() {
  return (
   <Router>
     <div className="App">
       <Switch>
         <Route path="/repo/:owner/:repo" component={RepoDetails} />
         <Route path="/" component={RepoList} />
       </Switch>
     </div>
   </Router>
 );
}
 
export default App;