1 files changed, 11 insertions, 7 deletions
diff --git a/assets/javascripts/bootstrap/util.js b/assets/javascripts/bootstrap/util.js
index 49fbf11..3ef0c3b 100644
--- a/assets/javascripts/bootstrap/util.js
+++ b/assets/javascripts/bootstrap/util.js
@@ -1,19 +1,19 @@
 /*!
-  * Bootstrap util.js v4.2.1 (https://getbootstrap.com/)
-  * Copyright 2011-2018 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+  * Bootstrap util.js v4.3.0 (https://getbootstrap.com/)
+  * Copyright 2011-2019 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   */
 (function (global, factory) {
   typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery')) :
   typeof define === 'function' && define.amd ? define(['jquery'], factory) :
-  (global.Util = factory(global.jQuery));
-}(this, (function ($) { 'use strict';
+  (global = global || self, global.Util = factory(global.jQuery));
+}(this, function ($) { 'use strict';
 
   $ = $ && $.hasOwnProperty('default') ? $['default'] : $;
 
   /**
    * --------------------------------------------------------------------------
-   * Bootstrap (v4.2.1): util.js
+   * Bootstrap (v4.3.0): util.js
    * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
    * --------------------------------------------------------------------------
    */
@@ -89,7 +89,11 @@
         selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : '';
       }
 
-      return selector && document.querySelector(selector) ? selector : null;
+      try {
+        return document.querySelector(selector) ? selector : null;
+      } catch (err) {
+        return null;
+      }
     },
     getTransitionDurationFromElement: function getTransitionDurationFromElement(element) {
       if (!element) {
@@ -164,4 +168,4 @@
 
   return Util;
 
-})));
+}));