From 24a317a836778f16b16916f1a1b6b939f0a418d8 Mon Sep 17 00:00:00 2001
From: Alf Eaton <alf.eaton@overleaf.com>
Date: Wed, 27 Apr 2022 11:31:50 +0100
Subject: [PATCH] Catch navigator.serviceWorker.getRegistrations() Promise
 rejection (#7708)

GitOrigin-RevId: 4c68e4272ea9618503ad655dd6c24841486601b2
---
 .../features/pdf-preview/util/service-worker.js  | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/services/web/frontend/js/features/pdf-preview/util/service-worker.js b/services/web/frontend/js/features/pdf-preview/util/service-worker.js
index 7d0fe6ac95..dec3b473ad 100644
--- a/services/web/frontend/js/features/pdf-preview/util/service-worker.js
+++ b/services/web/frontend/js/features/pdf-preview/util/service-worker.js
@@ -56,10 +56,18 @@ export function unregisterServiceWorker() {
         type: 'disable',
       })
     }
-    navigator.serviceWorker.getRegistrations().then(registrations => {
-      registrations.forEach(worker => {
-        worker.unregister()
+
+    navigator.serviceWorker
+      .getRegistrations()
+      .catch(error => {
+        // fail silently if permission not given (e.g. SecurityError)
+        console.error('error listing service worker registrations', error)
+        return []
+      })
+      .then(registrations => {
+        registrations.forEach(worker => {
+          worker.unregister()
+        })
       })
-    })
   }
 }