From 39029826f1693e36e64adc625ef8e21c5500fe77 Mon Sep 17 00:00:00 2001
From: Timo Tijhof <krinklemail@gmail.com>
Date: Fri, 17 Aug 2018 18:23:00 +0100
Subject: [PATCH] mediawiki.util: Only call $.fn.updateTooltipAccessKeys if
 accesskey is set

Avoids overhead of mw.Message#parse, jqueryMsg.parser, and various
other DOM operations.

Bug: T202151
Change-Id: Id6304c9223806af6d469d9b4c67e60263f4b17ac
---
 resources/src/mediawiki.util.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/resources/src/mediawiki.util.js b/resources/src/mediawiki.util.js
index 9eea6f38e6..ca0c3035d1 100644
--- a/resources/src/mediawiki.util.js
+++ b/resources/src/mediawiki.util.js
@@ -375,7 +375,9 @@
 
 			// Update tooltip for the access key after inserting into DOM
 			// to get a localized access key label (T69946).
-			$link.updateTooltipAccessKeys();
+			if ( accesskey ) {
+				$link.updateTooltipAccessKeys();
+			}
 
 			return $item[ 0 ];
 		},
-- 
2.20.1