Remove support for MediaWiki <= 1.39

With release of MediaWiki 1.41 we no longer need to support MW 1.39

Bug: T355105
Change-Id: I7957ca8aefee168ef11bc20905abd9944faecd73

resources/js/ext.uls.common.js

@@ -63,7 +63,7 @@
 		// Track if event logging is enabled
 		mw.hook( 'mw.uls.interface.language.change' ).fire( language );
 
-		if ( !mw.uls.isNamed() ) {
+		if ( !mw.user.isNamed() ) {
 			return changeLanguageAnon();
 		}
 
@@ -238,14 +238,4 @@
 
 		return ret;
 	};
-
-	/**
-	 * Determine if a user is named. Wrapper method is needed since mw.user.isNamed() was added in MW 1.40
-	 * For MW < 1.40
-	 * @returns {boolean}
-	 */
-	mw.uls.isNamed = function () {
-		return typeof mw.user.isNamed === 'function' ? mw.user.isNamed() : !mw.user.isAnon();
-	};
-
 }() );

resources/js/ext.uls.displaysettings.js

@@ -189,7 +189,7 @@
 				lang, i, language, $button, autonym;
 
 			// Don't let anonymous users change interface language
-			if ( !anonsAllowed && !mw.uls.isNamed() ) {
+			if ( !anonsAllowed && !mw.user.isNamed() ) {
 				$loginCta = $( '<p>' )
 					.attr( 'id', 'uls-display-settings-anon-log-in-cta' );
 				autonym = $.uls.data.getAutonym( this.contentLanguage );

resources/js/ext.uls.interface.js

@@ -121,12 +121,9 @@
 	 * @return {jQuery}
 	 */
 	function createMenuButton( buttonClass ) {
-		// cdx-button--type-quiet is needed for 1.39 support.
-		// Please remove when support is no longer needed.
 		var classes = [
 			'cdx-button',
 			'cdx-button--weight-quiet',
-			'cdx-button--type-quiet',
 			buttonClass
 		];
 		// eslint-disable-next-line mediawiki/class-doc

resources/js/ext.uls.preferences.js

@@ -28,8 +28,7 @@
 		// https://www.mediawiki.org/wiki/Manual:Coding_conventions/JavaScript#Keys
 		this.preferenceName = 'uls-preferences';
 		this.username = mw.user.getName();
-		// For MW < 1.40. ext.uls.isNamed is inlined here to avoid dependency on ext.uls.common.
-		this.isNamed = typeof mw.user.isNamed === 'function' ? mw.user.isNamed() : !mw.user.isAnon();
+		this.isNamed = mw.user.isNamed();
 		this.preferences = null;
 		this.init();
 	};