build: Updating npm dependencies

* eslint-config-wikimedia: 0.28.0 → 0.28.2
  The following rules are failing and were disabled:
  * resources/js:
    * es-x/no-object-assign

* grunt-stylelint: 0.20.0 → 0.20.1
* stylelint-config-wikimedia: 0.17.1 → 0.17.2

Change-Id: I93fa42275d02c006a0dcb2be6fc152c5a0daaa15

resources/js/.eslintrc.json

@@ -7,6 +7,7 @@
 	],
 	"rules": {
 		"no-jquery/no-global-selector": "off",
-		"no-jquery/no-extend": "warn"
+		"no-jquery/no-extend": "warn",
+		"es-x/no-object-assign": "warn"
 	}
 }

resources/js/ext.uls.displaysettings.js

@@ -724,7 +724,7 @@
 	};
 
 	// Register this module to language settings modules
-	$.fn.languagesettings.modules = $.extend( $.fn.languagesettings.modules, {
+	$.fn.languagesettings.modules = Object.assign( $.fn.languagesettings.modules, {
 		display: DisplaySettings
 	} );
 }() );

resources/js/ext.uls.ime.js

@@ -215,9 +215,9 @@
 			return;
 		}
 		// Extend the ime preference system
-		$.extend( $.ime.preferences, ulsIMEPreferences );
+		Object.assign( $.ime.preferences, ulsIMEPreferences );
 		// MediaWiki specific overrides for jquery.ime
-		$.extend( $.ime.defaults, {
+		Object.assign( $.ime.defaults, {
 			imePath: mwImeRulesPath
 		} );
 

resources/js/ext.uls.inputsettings.js

@@ -590,7 +590,7 @@
 	};
 
 	// Register this module to language settings modules
-	$.fn.languagesettings.modules = $.extend( $.fn.languagesettings.modules, {
+	$.fn.languagesettings.modules = Object.assign( $.fn.languagesettings.modules, {
 		input: InputSettings
 	} );
 

resources/js/ext.uls.languagesettings.js

@@ -52,7 +52,7 @@
 
 	function LanguageSettings( element, options ) {
 		this.$element = $( element );
-		this.options = $.extend( {}, $.fn.languagesettings.defaults, options );
+		this.options = Object.assign( {}, $.fn.languagesettings.defaults, options );
 		this.$window = $( this.options.template );
 		this.shown = false;
 		this.initialized = false;

resources/js/ext.uls.mediawiki.js

@@ -21,7 +21,7 @@
 	'use strict';
 
 	// MediaWiki overrides for ULS defaults
-	$.fn.uls.defaults = $.extend( $.fn.uls.defaults, {
+	$.fn.uls.defaults = Object.assign( $.fn.uls.defaults, {
 		languages: mw.config.get( 'wgULSLanguages' ) || {},
 		searchAPI: mw.util.wikiScript( 'api' ) + '?action=languagesearch&format=json&formatversion=2'
 	} );

resources/js/ext.uls.webfonts.js

@@ -58,7 +58,7 @@
 		},
 
 		load: function () {
-			mw.webfonts.preferences.registry = $.extend( this.registry,
+			mw.webfonts.preferences.registry = Object.assign( this.registry,
 				ulsPreferences.get( 'webfonts' ) );
 		}
 	};
@@ -70,7 +70,7 @@
 		mediawikiFontRepository.base = mw.config.get( 'wgULSFontRepositoryBasePath' );
 
 		// MediaWiki specific overrides for jquery.webfonts
-		$.extend( $.fn.webfonts.defaults, {
+		Object.assign( $.fn.webfonts.defaults, {
 			repository: mediawikiFontRepository,
 			fontStack: $( document.body ).css( 'font-family' ).split( /, /g ),
 			/**