From 7e9d2f00ebd51f9f6333b16b3a72a69c541c0a92 Mon Sep 17 00:00:00 2001
From: Lucca Hellriegel <lucca.hellriegel@gmx.net>
Date: Wed, 21 Dec 2022 22:47:01 +0100
Subject: [PATCH] add check for global ext api before starting auth-sync

---
 src/authentication/background/auth-sync.ts | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/authentication/background/auth-sync.ts b/src/authentication/background/auth-sync.ts
index 67e7637f25..b819e4b497 100644
--- a/src/authentication/background/auth-sync.ts
+++ b/src/authentication/background/auth-sync.ts
@@ -38,7 +38,14 @@ function addListener(
     expectedOrigins: string[],
 ) {
     //@ts-ignore next-line
-    chrome.runtime.onMessageExternal.addListener(
+    const base = chrome || browser
+
+    if (!base) {
+        return
+    }
+
+    //@ts-ignore next-line
+    base.runtime.onMessageExternal.addListener(
         (message, sender, runtimeSendResponse) => {
             const messageObj = getMessage(message, sender, expectedOrigins)
             if (!messageObj) {