diff --git a/js/dropdown-widget.js b/js/dropdown-widget.js
index 8eb113f..2c8fc60 100644
--- a/js/dropdown-widget.js
+++ b/js/dropdown-widget.js
@@ -5,46 +5,45 @@
 
 (function ($) {
 
-    "use strict";
-
-    var $dropdown = '<select class="facets-dropdown">';
-
-    Drupal.facets = {};
-    Drupal.behaviors.facetsDropdownWidget = {
-        attach: function (context, settings) {
-            Drupal.facets.makeDropdown();
-        }
-    };
-
-    /**
-     * Turns all facet links into options.
-     */
-    Drupal.facets.makeDropdown = function () {
-        // Find all dropdown facet links and turn them into an option.
-        var $links = $('.js-facets-dropdown-links .facet-item');
-
-        $links.once('facets-dropdown-transform').each(Drupal.facets.makeOption);
-
-        $dropdown += "</select>";
-
-        $('.js-facets-dropdown-links .item-list').html($dropdown);
-
-        // Go to the selected option when it's clicked.
-        $('.facets-dropdown').on('change', function() {
-            window.location.href = this.value;
-        });
-    };
-
-    /**
-     * Create an option for the dropdown list and append it to it.
-     */
-    Drupal.facets.makeOption = function () {
-        var $link = $(this)[0];
-        var href = $($link.innerHTML)[0].href;
-        var text = $link.innerText.replace('(-) ','');
-        var option = '<option class="facets-dropdown" value="' + href + '">' + text + '</option>';
-
-        $dropdown += option;
-    };
+  'use strict';
+
+  var $dropdown = '<select class="facets-dropdown">';
+
+  Drupal.facets = {};
+  Drupal.behaviors.facetsDropdownWidget = {
+    attach: function (context, settings) {
+      Drupal.facets.makeDropdown();
+    }
+  };
+
+  /**
+   * Turns all facet links into options.
+   */
+  Drupal.facets.makeDropdown = function () {
+    // Find all dropdown facet links and turn them into an option.
+    var $links = $('.js-facets-dropdown-links .facet-item');
+
+    $links.once('facets-dropdown-transform').each(Drupal.facets.makeOption);
+
+    $dropdown += '</select>';
+
+    $('.js-facets-dropdown-links .item-list').html($dropdown);
+
+    // Go to the selected option when it's clicked.
+    $('.facets-dropdown').on('change', function () {
+      window.location.href = this.value;
+    });
+  };
+
+  /**
+   * Create an option for the dropdown list and append it to it.
+   */
+  Drupal.facets.makeOption = function () {
+    var $link = $(this)[0];
+    var href = $($link.innerHTML)[0].href;
+    var text = $link.innerText.replace('(-) ', '');
+
+    $dropdown += '<option class="facets-dropdown" value="' + href + '">' + text + '</option>';
+  };
 
 })(jQuery);