4.1. Handle Component State

component-state.js

const FrontendTracker = ( props ) => {
    // Add the following before the `return()` block from Part 1, step 2.1.

    const [ isLoading, setLoading ] = useState( false );
    const [ notice, setNotice ] = useState( null );

    useEffect( () => {
        if ( null === notice ) {
            return;
        }

        const timer = setTimeout( () => {
            setNotice( null );
        }, 60000 );

        return () => clearTimeout( timer );
    }, [ notice ] );
};