client: register service worker

closes #296

1 files changed, 3 insertions, 14 deletions

diff --git a/client/src/main.ts b/client/src/main.ts
index 0fddf3aac..99976a3f7 100644
--- a/client/src/main.ts
+++ b/client/src/main.ts
@@ -11,20 +11,9 @@ if (environment.production) {
 const bootstrap = () => platformBrowserDynamic()
   .bootstrapModule(AppModule)
   .then(bootstrapModule => {
-    // TODO: Uncomment and remove unregistration when https://github.com/angular/angular/issues/21191 is fixed
-    // TODO: Remove when https://github.com/angular/angular-cli/issues/8779 is fixed?
-    // if ('serviceWorker' in navigator && environment.production) {
-    //   navigator.serviceWorker.register('/ngsw-worker.js')
-    //     .catch(err => console.error('Cannot register service worker.', err))
-    // }
-
-    if (navigator.serviceWorker && typeof navigator.serviceWorker.getRegistrations === 'function') {
-      navigator.serviceWorker.getRegistrations()
-               .then(registrations => {
-                 for (const registration of registrations) {
-                   registration.unregister()
-                 }
-               })
+    if ('serviceWorker' in navigator && environment.production) {
+      navigator.serviceWorker.register('/ngsw-worker.js')
+        .catch(err => console.error('Cannot register service worker.', err))
     }
 
     if (!environment.production) {