From: Timo Tijhof <krinklemail@gmail.com>
Date: Sat, 9 Mar 2019 05:05:06 +0000 (+0000)
Subject: resourceloader: Reduce size of ES5 StringSet fallback
X-Git-Tag: 1.34.0-rc.0~2543^2
X-Git-Url: https://git.heureux-cyclage.org/?a=commitdiff_plain;h=ceed8053feaea0876677ca8003e508c207753627;p=lhc%2Fweb%2Fwiklou.git

resourceloader: Reduce size of ES5 StringSet fallback

Over 90% of browsers have ES6 Set implemented.
Make the fallback a bit smaller.

Change-Id: Icfd18cbeac6d95702ac409297a01c81829d5a41b
---

diff --git a/resources/src/startup/mediawiki.js b/resources/src/startup/mediawiki.js
index e110b95f6f..a0c7c61983 100644
--- a/resources/src/startup/mediawiki.js
+++ b/resources/src/startup/mediawiki.js
@@ -52,13 +52,15 @@
 		 * @private
 		 * @class
 		 */
-		StringSet = window.Set || function StringSet() {
+		StringSet = window.Set || function () {
 			var set = Object.create( null );
-			this.add = function ( value ) {
-				set[ value ] = true;
-			};
-			this.has = function ( value ) {
-				return value in set;
+			return {
+				add: function ( value ) {
+					set[ value ] = true;
+				},
+				has: function ( value ) {
+					return value in set;
+				}
 			};
 		};
 	}