app\static\js\AppRouter(5).jsx

#...
import Login from './components/auth/Login.jsx'

#...
class AppRouter extends Component {
  #...
  render() {
    #...
      <Switch>
          <Route exact path="/" component={() => <Home currentUser={this.props.currentUser} />} />
          <Route path="/register" component={Register} />
          <Route path="/login" component={Login} />
      </Switch>
    #...