From 7c2b46be836063b3696d5b8eaed493f6a3f68769 Mon Sep 17 00:00:00 2001
From: tophf <tophf@gmx.com>
Date: Thu, 19 Nov 2020 22:28:17 +0300
Subject: [PATCH] fix PortDownloader::onDisconnect

---
 install-usercss/install-usercss.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/install-usercss/install-usercss.js b/install-usercss/install-usercss.js
index 56afae69..accb1123 100644
--- a/install-usercss/install-usercss.js
+++ b/install-usercss/install-usercss.js
@@ -399,8 +399,8 @@
         }
       });
       port.onDisconnect.addListener(async () => {
-        const tab = await browser.tabs.get(tabId);
-        if (!chrome.runtime.lastError && tab.url === initialUrl) {
+        const tab = await browser.tabs.get(tabId).catch(() => ({}));
+        if (tab.url === initialUrl) {
           location.reload();
         } else {
           closeCurrentTab();