diff --git a/resources/dist/index.js b/resources/dist/index.js
index eee3a03c8..0c2b6205d 100644
Binary files a/resources/dist/index.js and b/resources/dist/index.js differ
diff --git a/resources/dist/index.js.map b/resources/dist/index.js.map
index 77fabbbe8..720b3bd60 100644
Binary files a/resources/dist/index.js.map and b/resources/dist/index.js.map differ
diff --git a/src/previewBehavior.js b/src/previewBehavior.js
index ec183ac78..40d16f608 100644
--- a/src/previewBehavior.js
+++ b/src/previewBehavior.js
@@ -1,55 +1,54 @@
-( function ( mw, $ ) {
+var mw = window.mediaWiki,
+	$ = jQuery;
 
-	/**
-	 * @typedef {Object} ext.popups.PreviewBehavior
-	 * @property {String} settingsUrl
-	 * @property {Function} showSettings
-	 * @property {Function} previewDwell
-	 * @property {Function} previewAbandon
-	 */
+/**
+ * @typedef {Object} ext.popups.PreviewBehavior
+ * @property {String} settingsUrl
+ * @property {Function} showSettings
+ * @property {Function} previewDwell
+ * @property {Function} previewAbandon
+ */
 
-	/**
-	 * Creates an instance of `ext.popups.PreviewBehavior`.
-	 *
-	 * If the user is logged out, then clicking the cog should show the settings
-	 * modal.
-	 *
-	 * If the user is logged in, then clicking the cog should send them to the
-	 * Special:Preferences page with the "Beta features" tab open if Page Previews
-	 * is enabled as a beta feature, or the "Appearance" tab otherwise.
-	 *
-	 * @param {mw.Map} config
-	 * @param {mw.User} user
-	 * @param {Object} actions The action creators bound to the Redux store
-	 * @return {ext.popups.PreviewBehavior}
-	 */
-	module.exports = function ( config, user, actions ) {
-		var isBetaFeature = config.get( 'wgPopupsBetaFeature' ),
-			rawTitle,
-			settingsUrl,
-			showSettings = $.noop;
+/**
+ * Creates an instance of `ext.popups.PreviewBehavior`.
+ *
+ * If the user is logged out, then clicking the cog should show the settings
+ * modal.
+ *
+ * If the user is logged in, then clicking the cog should send them to the
+ * Special:Preferences page with the "Beta features" tab open if Page Previews
+ * is enabled as a beta feature, or the "Appearance" tab otherwise.
+ *
+ * @param {mw.Map} config
+ * @param {mw.User} user
+ * @param {Object} actions The action creators bound to the Redux store
+ * @return {ext.popups.PreviewBehavior}
+ */
+module.exports = function ( config, user, actions ) {
+	var isBetaFeature = config.get( 'wgPopupsBetaFeature' ),
+		rawTitle,
+		settingsUrl,
+		showSettings = $.noop;
 
-		if ( user.isAnon() ) {
-			showSettings = function ( event ) {
-				event.preventDefault();
+	if ( user.isAnon() ) {
+		showSettings = function ( event ) {
+			event.preventDefault();
 
-				actions.showSettings();
-			};
-		} else {
-			rawTitle = 'Special:Preferences#mw-prefsection-';
-			rawTitle += isBetaFeature ? 'betafeatures' : 'rendering';
-
-			settingsUrl = mw.Title.newFromText( rawTitle )
-				.getUrl();
-		}
-
-		return {
-			settingsUrl: settingsUrl,
-			showSettings: showSettings,
-			previewDwell: actions.previewDwell,
-			previewAbandon: actions.abandon,
-			previewShow: actions.previewShow
+			actions.showSettings();
 		};
-	};
+	} else {
+		rawTitle = 'Special:Preferences#mw-prefsection-';
+		rawTitle += isBetaFeature ? 'betafeatures' : 'rendering';
 
-}( mediaWiki, jQuery ) );
+		settingsUrl = mw.Title.newFromText( rawTitle )
+			.getUrl();
+	}
+
+	return {
+		settingsUrl: settingsUrl,
+		showSettings: showSettings,
+		previewDwell: actions.previewDwell,
+		previewAbandon: actions.abandon,
+		previewShow: actions.previewShow
+	};
+};