function registerValidSW()

in ui/src/registerServiceWorker.ts [59:88]

• 23 lines of code
• 4 McCabe index (conditional complexity)

function registerValidSW(swUrl: string) {
  navigator.serviceWorker
    .register(swUrl)
    .then(registration => {
      registration.onupdatefound = () => {
        const installingWorker = registration.installing;
        if (installingWorker) {
          installingWorker.onstatechange = () => {
            if (installingWorker.state === 'installed') {
              if (navigator.serviceWorker.controller) {
                // At this point, the old content will have been purged and
                // the fresh content will have been added to the cache.
                // It's the perfect time to display a 'New content is
                // available; please refresh.' message in your web app.
                console.log('New content is available; please refresh.');
              } else {
                // At this point, everything has been precached.
                // It's the perfect time to display a
                // 'Content is cached for offline use.' message.
                console.log('Content is cached for offline use.');
              }
            }
          };
        }
      };
    })
    .catch(error => {
      console.error('Error during service worker registration:', error);
    });
}