From d9f0c7fb841bebfa942ddc5b7aae2857eb1381e3 Mon Sep 17 00:00:00 2001
From: ThibG <thib@sitedethib.com>
Date: Wed, 6 Feb 2019 23:36:43 +0100
Subject: [PATCH] Fix IntersectionObserverArticle not hiding some out-of-view
 items (#9982)

IntersectionObserverArticle is made to save on RAM by avoiding fully rendering
items that are far out of view. However, it did not work for items spawned
outside the intersection observer.
---
 .../mastodon/components/intersection_observer_article.js        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/javascript/mastodon/components/intersection_observer_article.js b/app/javascript/mastodon/components/intersection_observer_article.js
index de2203a4bc..e453730ba4 100644
--- a/app/javascript/mastodon/components/intersection_observer_article.js
+++ b/app/javascript/mastodon/components/intersection_observer_article.js
@@ -65,7 +65,7 @@ export default class IntersectionObserverArticle extends React.Component {
   }
 
   updateStateAfterIntersection = (prevState) => {
-    if (prevState.isIntersecting && !this.entry.isIntersecting) {
+    if (prevState.isIntersecting !== false && !this.entry.isIntersecting) {
       scheduleIdleTask(this.hideIfNotIntersecting);
     }
     return {