```jsx import React from 'react'; import './App.css'; import { Amplify } from 'aws-amplify'; import { AmplifyAuthenticator, AmplifySignOut } from '@aws-amplify/ui-react'; import { AuthState, onAuthUIStateChange } from '@aws-amplify/ui-components'; import awsconfig from './aws-exports'; Amplify.configure(awsconfig); const AuthStateApp = () => { const [authState, setAuthState] = React.useState(); const [user, setUser] = React.useState(); React.useEffect(() => { return onAuthUIStateChange((nextAuthState, authData) => { setAuthState(nextAuthState); setUser(authData) }); }, []); return authState === AuthState.SignedIn && user ? (
Hello, {user.username}
) : ( ); } export default AuthStateApp; ```
```jsx import React from 'react'; import './App.css'; import { Amplify } from 'aws-amplify'; import { AmplifyAuthenticator, AmplifySignOut } from '@aws-amplify/ui-react'; import { AuthState, onAuthUIStateChange } from '@aws-amplify/ui-components'; import awsconfig from './aws-exports'; Amplify.configure(awsconfig); const AuthStateApp: React.FunctionComponent = () => { const [authState, setAuthState] = React.useState(); const [user, setUser] = React.useState(); React.useEffect(() => { return onAuthUIStateChange((nextAuthState, authData) => { setAuthState(nextAuthState); setUser(authData) }); }, []); return authState === AuthState.SignedIn && user ? (
Hello, {user.username}
) : ( ); } export default AuthStateApp; ```