From dbcf588befff831267cad1eed5fa3c6777efe95d Mon Sep 17 00:00:00 2001
From: ccd0 <admin@containerchan.org>
Date: Sat, 3 Nov 2018 20:47:54 -0700
Subject: [PATCH] Here it's more appropriate to maintain the position of the
 bottom of the thread than to scroll up to the top.

---
 src/Monitoring/UnreadIndex.coffee | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Monitoring/UnreadIndex.coffee b/src/Monitoring/UnreadIndex.coffee
index 92b2177b8..184f86003 100644
--- a/src/Monitoring/UnreadIndex.coffee
+++ b/src/Monitoring/UnreadIndex.coffee
@@ -109,8 +109,9 @@ UnreadIndex =
     $.rm UnreadIndex.hr[thread.fullID]
     thread.nodes.root.classList.remove 'unread-thread'
     if thread.ID of ExpandThread.statuses
+      {bottom} = thread.nodes.root.getBoundingClientRect()
       ExpandThread.toggle thread
-      Header.scrollToIfNeeded thread.nodes.root
+      window.scrollBy 0, (thread.nodes.root.getBoundingClientRect().bottom - bottom)
     ThreadWatcher.update thread.board.ID, thread.ID,
       unread: 0
       quotingYou: false