class App extends Component {
 render() {
  return    (
    <Router>
     <Switch>
      <Route path='/' exact component={Home}/>
            <Route path='/auth' component={User}/>
    </Switch>
    </Router>
  );
 }
}

constructor(props){
    super(props);
     this.state = {
       username: '',
       email: '',
       post: '',
  }
}

UserInfo = () => {
 const {username,email, post} = this.props
   return(
    <Fragment>
     <Header/>
     <h1>{username}</h1>
     <h1>{email}</h1>
     <h1>{post}</h1>
        </Fragment>
    )
}