From a2eebf92ff2aac04377ac46c550a909151e8efe2 Mon Sep 17 00:00:00 2001
From: Sebastian Leidig <sebastian.leidig@gmail.com>
Date: Wed, 10 Jun 2020 09:50:16 +0200
Subject: [PATCH] fix(*): prevent error log message about serviceworker not
 available

---
 src/app/core/latest-changes/update-manager.service.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/app/core/latest-changes/update-manager.service.ts b/src/app/core/latest-changes/update-manager.service.ts
index 8594f3fead..4acc0f3fcc 100644
--- a/src/app/core/latest-changes/update-manager.service.ts
+++ b/src/app/core/latest-changes/update-manager.service.ts
@@ -44,6 +44,10 @@ export class UpdateManagerService {
    * Display a notification to the user in case a new app version is detected by the ServiceWorker.
    */
   public notifyUserWhenUpdateAvailable() {
+    if (!this.updates.isEnabled) {
+      return;
+    }
+
     this.updates.available.subscribe(() => {
       this.showUpdateNotification();
     });
@@ -53,6 +57,10 @@ export class UpdateManagerService {
    * Schedule a regular check with the server for updates.
    */
   public regularlyCheckForUpdates() {
+    if (!this.updates.isEnabled) {
+      return;
+    }
+
     // Allow the app to stabilize first, before starting polling for updates with `interval()`.
     const appIsStable$ = this.appRef.isStable.pipe(
       first((isStable) => isStable === true)