text: /*
   * This file is picked up by the build system only
   * when building for PRODUCTION
   */
  
  import { register } from 'register-service-worker'
  
  register(process.env.SERVICE_WORKER_FILE, {
    ready () {
      // console.log('App is being served from cache by a service worker.')
    },
    registered (registration) { // registration -> a ServiceWorkerRegistration instance
      // console.log('Service worker has been registered.')
    },
    cached (registration) { // registration -> a ServiceWorkerRegistration instance
      // console.log('Content has been cached for offline use.')
    },
    updatefound (registration) { // registration -> a ServiceWorkerRegistration instance
      // console.log('New content is downloading.')
    },
    updated (registration) { // registration -> a ServiceWorkerRegistration instance
      // console.log('New content is available; please refresh.')
    },
    offline () {
      // console.log('No internet connection found. App is running in offline mode.')
    },
    error (err) {
      // console.error('Error during service worker registration:', err)
    }
  })
  
  // ServiceWorkerRegistration: https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration
  