From 977b0903fac962f6ae7a3ced4dc1f3b13526e50f Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Wed, 28 Jul 2021 21:44:49 +0300
Subject: [PATCH] Workaround for infinite increment of Dev Tools DOM Nodes
 counter

---
 src/components/main/Main.tsx | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/components/main/Main.tsx b/src/components/main/Main.tsx
index 8c18266cf..c6bee19aa 100644
--- a/src/components/main/Main.tsx
+++ b/src/components/main/Main.tsx
@@ -153,11 +153,11 @@ const Main: FC<StateProps & DispatchProps> = ({
       if (index % 2 === 0) {
         const newUnread = selectCountNotMutedUnread(getGlobal()) - initialUnread;
         if (newUnread > 0) {
-          document.title = `${newUnread} notification${newUnread > 1 ? 's' : ''}`;
+          updatePageTitle(`${newUnread} notification${newUnread > 1 ? 's' : ''}`);
           updateIcon(true);
         }
       } else {
-        document.title = PAGE_TITLE;
+        updatePageTitle(PAGE_TITLE);
         updateIcon(false);
       }
 
@@ -172,7 +172,7 @@ const Main: FC<StateProps & DispatchProps> = ({
     notificationInterval = undefined;
 
     if (!document.title.includes(INACTIVE_MARKER)) {
-      document.title = PAGE_TITLE;
+      updatePageTitle(PAGE_TITLE);
     }
 
     updateIcon(false);
@@ -216,6 +216,14 @@ function updateIcon(asUnread: boolean) {
     });
 }
 
+// For some reason setting `document.title` to the same value
+// causes increment of Chrome Dev Tools > Performance Monitor > DOM Nodes counter
+function updatePageTitle(nextTitle: string) {
+  if (document.title !== nextTitle) {
+    document.title = nextTitle;
+  }
+}
+
 export default memo(withGlobal(
   (global): StateProps => {
     const { chatId: audioChatId, messageId: audioMessageId } = global.audioPlayer;