components#Alert JavaScript Examples

The following examples show how to use components#Alert. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: _app.js    From next-js-10-crud-example with MIT License 6 votes vote down vote up 
function App({ Component, pageProps }) {
    return (
        <>
            <Head>
                <title>Next.js 10 - CRUD Example with React Hook Form</title>

                {/* bootstrap css */}
                <link href="//netdna.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet" />
            </Head>

            <div className="app-container bg-light">
                <Nav />
                <Alert />
                <div className="container pt-4 pb-4">
                    <Component {...pageProps} />
                </div>
            </div>

            {/* credits */}
            <div className="text-center mt-4">
                <p>
                    <a href="https://jasonwatmore.com/post/2021/04/20/next-js-10-crud-example-with-react-hook-form" target="_top">Next.js 10 - CRUD Example with React Hook Form</a>
                </p>
                <p>
                    <a href="https://jasonwatmore.com" target="_top">JasonWatmore.com</a>
                </p>
            </div>
        </>
    );
}
Example #2
Source File: _app.js    From next-js-11-registration-login-example with MIT License 5 votes vote down vote up 
function App({ Component, pageProps }) {
    const router = useRouter();
    const [user, setUser] = useState(null);
    const [authorized, setAuthorized] = useState(false);

    useEffect(() => {
        // on initial load - run auth check 
        authCheck(router.asPath);

        // on route change start - hide page content by setting authorized to false  
        const hideContent = () => setAuthorized(false);
        router.events.on('routeChangeStart', hideContent);

        // on route change complete - run auth check 
        router.events.on('routeChangeComplete', authCheck)

        // unsubscribe from events in useEffect return function
        return () => {
            router.events.off('routeChangeStart', hideContent);
            router.events.off('routeChangeComplete', authCheck);
        }

        // eslint-disable-next-line react-hooks/exhaustive-deps
    }, []);

    function authCheck(url) {
        // redirect to login page if accessing a private page and not logged in 
        setUser(userService.userValue);
        const publicPaths = ['/account/login', '/account/register'];
        const path = url.split('?')[0];
        if (!userService.userValue && !publicPaths.includes(path)) {
            setAuthorized(false);
            router.push({
                pathname: '/account/login',
                query: { returnUrl: router.asPath }
            });
        } else {
            setAuthorized(true);
        }
    }

    return (
        <>
            <Head>
                <title>Next.js 11 - User Registration and Login Example</title>
                
                {/* eslint-disable-next-line @next/next/no-css-tags */}
                <link href="//netdna.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet" />
            </Head>

            <div className={`app-container ${user ? 'bg-light' : ''}`}>
                <Nav />
                <Alert />
                {authorized &&
                    <Component {...pageProps} />
                }
            </div>

            {/* credits */}
            <div className="text-center mt-4">
                <p>
                    <a href="https://jasonwatmore.com/post/2021/08/19/next-js-11-user-registration-and-login-tutorial-with-example-app" target="_top">Next.js 11 - User Registration and Login Tutorial with Example App</a>
                </p>
                <p>
                    <a href="https://jasonwatmore.com" target="_top">JasonWatmore.com</a>
                </p>
            </div>
        </>
    );
}