From: Dessalines <tyhou13@gmx.com>
Date: Thu, 18 Nov 2021 15:37:24 +0000 (-0500)
Subject: Fix comment scroll bug. Fixes #492
X-Git-Url: http://these/git/%22https:/join-lemmy.org/readmes/README.ja.md?a=commitdiff_plain;h=aff768edaa89262abcd6bfea932be0c17bbd278d;p=lemmy-ui.git

Fix comment scroll bug. Fixes #492
---

diff --git a/src/shared/components/post/post.tsx b/src/shared/components/post/post.tsx
index 499330c..f68d77a 100644
--- a/src/shared/components/post/post.tsx
+++ b/src/shared/components/post/post.tsx
@@ -218,11 +218,15 @@ export class Post extends Component<any, PostState> {
   }
 
   scrollCommentIntoView() {
-    var elmnt = document.getElementById(`comment-${this.state.commentId}`);
-    elmnt.scrollIntoView();
-    elmnt.classList.add("mark");
-    this.state.scrolled = true;
-    this.markScrolledAsRead(this.state.commentId);
+    let commentElement = document.getElementById(
+      `comment-${this.state.commentId}`
+    );
+    if (commentElement) {
+      commentElement.scrollIntoView();
+      commentElement.classList.add("mark");
+      this.state.scrolled = true;
+      this.markScrolledAsRead(this.state.commentId);
+    }
   }
 
   get checkScrollIntoCommentsParam() {