// .catch(err => console.error('Cannot register service worker.', err))
// }
- navigator.serviceWorker.getRegistrations().then(registrations => {
- for (const registration of registrations) {
- registration.unregister()
- }
- })
+ if (navigator.serviceWorker) {
+ navigator.serviceWorker.getRegistrations()
+ .then(registrations => {
+ for (const registration of registrations) {
+ registration.unregister()
+ }
+ })
+ }
return bootstrapModule
})