From bcd79cf17df67c64bce56121f27ea2207b37220d Mon Sep 17 00:00:00 2001
From: Fedor Indutny <79877362+indutny-signal@users.noreply.github.com>
Date: Thu, 6 May 2021 14:32:23 -0700
Subject: [PATCH] Fix uncaught exception during shutdown on update

---
 js/modules/attachment_downloads.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/js/modules/attachment_downloads.js b/js/modules/attachment_downloads.js
index 01936bf83031..91e6cb18f646 100644
--- a/js/modules/attachment_downloads.js
+++ b/js/modules/attachment_downloads.js
@@ -67,7 +67,10 @@ async function start(options = {}) {
 }
 
 async function stop() {
-  logger.info('attachment_downloads/stop: disabling');
+  // If `.start()` wasn't called - the `logger` is `undefined`
+  if (logger) {
+    logger.info('attachment_downloads/stop: disabling');
+  }
   enabled = false;
   if (timeout) {
     clearTimeout(timeout);