Fix lint on main js files

.eslintrc

@@ -2,5 +2,8 @@
   "extends": [
     "dabapps/commonjs",
     "dabapps/browser",
-  ]
+  ],
+  "globals": {
+    "$": true
+  }
 }

static/src/js/alpha/main.js

@@ -1,16 +1,12 @@
+'use strict';
 /*
   Alpha by HTML5 UP
   html5up.net | @ajlkn
   Free for personal and commercial use under the CCA 3.0 license (html5up.net/license)
 */
 
-(function($) {
 $(function() {
-
-		var	$window = $(window),
-			$body = $('body'),
-			$header = $('#header'),
-			$banner = $('#banner');
+  var $body = $('body');
 
   // Fix: Placeholder polyfill.
   $('form').placeholder();
@@ -20,15 +16,12 @@
     alignment: 'right'
   });
 
-		// Off-Canvas Navigation.
-
   // Navigation Button.
   $(
     '<div id="navButton">' +
     '<a href="#navPanel" class="toggle"></a>' +
     '</div>'
-				)
-					.appendTo($body);
+  ).appendTo($body);
 
   // Navigation Panel.
   $(
@@ -49,13 +42,4 @@
       target: $body,
       visibleClass: 'navPanel-visible'
     });
-
-			// Fix: Remove navPanel transitions on WP<10 (poor/buggy performance).
-
-		// Header.
-		// If the header is using "alt" styling and #banner is present, use scrollwatch
-		// to revert it back to normal styling once the user scrolls past the banner.
-		// Note: This is disabled on mobile devices.
 });
-
-})(jQuery);

static/src/js/index.js

@@ -1,3 +1,5 @@
+'use strict';
+
 require('./jquery-global');
 require('bootstrap');
 

static/src/js/jquery-global.js

@@ -1,4 +1,6 @@
-const jQuery = require('jquery');
+'use strict';
+
+var jQuery = require('jquery');
 
 window.$ = jQuery;
 window.jQuery = jQuery;