From 3cbab3b78925604ee0af4dd110d93a1c1c335a23 Mon Sep 17 00:00:00 2001
From: Func <Funcer@outlook.com>
Date: Wed, 19 Oct 2022 23:14:27 +0800
Subject: [PATCH] ReplyLinksController: Skip empty reply buttons container

For preview parsing, the span containers are empty.

Not sure why not strip the container along with all generated
contents, but this should be the easiest fix.

Bug: T321185
Change-Id: I9afb2d0f543b79dbac8a652236fe55284de542a8
---
 modules/ReplyLinksController.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/ReplyLinksController.js b/modules/ReplyLinksController.js
index 3e3d4fca2..66cf065b4 100644
--- a/modules/ReplyLinksController.js
+++ b/modules/ReplyLinksController.js
@@ -18,7 +18,7 @@ function ReplyLinksController( $pageContainer ) {
 	this.onAnyLinkClickHandler = this.onAnyLinkClick.bind( this );
 
 	// Reply links
-	this.$replyLinkSets = $pageContainer.find( '.ext-discussiontools-init-replylink-buttons[data-mw-comment]' );
+	this.$replyLinkSets = $pageContainer.find( '.ext-discussiontools-init-replylink-buttons[data-mw-comment]:not(:empty)' );
 
 	this.$replyLinkSets.each( function () {
 		var replyButton = OO.ui.infuse( $( this ).find( '.ext-discussiontools-init-replybutton' ) );