From cc1f13dfd0d9fee7d568918af031f1cd6d1441f4 Mon Sep 17 00:00:00 2001
From: Les Orchard <me@lmorchard.com>
Date: Sun, 11 Nov 2018 17:20:20 -0500
Subject: [PATCH] Only consider mouse move in scrolling on item insertion
 (#9262)

Fixes #9259
---
 app/javascript/mastodon/components/scrollable_list.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/javascript/mastodon/components/scrollable_list.js b/app/javascript/mastodon/components/scrollable_list.js
index 7551d0b1fe4..ab4e7d59cfe 100644
--- a/app/javascript/mastodon/components/scrollable_list.js
+++ b/app/javascript/mastodon/components/scrollable_list.js
@@ -136,7 +136,7 @@ export default class ScrollableList extends PureComponent {
       React.Children.count(prevProps.children) < React.Children.count(this.props.children) &&
       this.getFirstChildKey(prevProps) !== this.getFirstChildKey(this.props);
 
-    if ((someItemInserted && this.node.scrollTop > 0) || this.mouseMovedRecently) {
+    if (someItemInserted && (this.node.scrollTop > 0 || this.mouseMovedRecently)) {
       return this.node.scrollHeight - this.node.scrollTop;
     } else {
       return null;