From daf10a069572b2fb1d5ebcdf7cdb8400878e965d Mon Sep 17 00:00:00 2001
From: Alex Pott <alex.a.pott@googlemail.com>
Date: Fri, 5 Mar 2021 12:54:27 +0000
Subject: Issue #3113649 by bnjmnm, ayushmishra206, ilgnerfagundes, lauriii,
 nod_, xjm, catch, alexpott, Kristen Pol: Remove drupal.tabbingmanager's
 jQueryUI dependency

---
 core/misc/jquery.tabbable.shim.js | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 core/misc/jquery.tabbable.shim.js

(limited to 'core/misc/jquery.tabbable.shim.js')

diff --git a/core/misc/jquery.tabbable.shim.js b/core/misc/jquery.tabbable.shim.js
new file mode 100644
index 00000000000..dd95d9bf1bc
--- /dev/null
+++ b/core/misc/jquery.tabbable.shim.js
@@ -0,0 +1,23 @@
+/**
+* DO NOT EDIT THIS FILE.
+* See the following change record for more information,
+* https://www.drupal.org/node/2815083
+* @preserve
+**/
+
+(function ($, Drupal, _ref) {
+  var isTabbable = _ref.isTabbable;
+  $.extend($.expr[':'], {
+    tabbable: function tabbable(element) {
+      if (element.tagName === 'SUMMARY' || element.tagName === 'DETAILS') {
+        var tabIndex = element.getAttribute('tabIndex');
+
+        if (tabIndex === null || tabIndex < 0) {
+          return false;
+        }
+      }
+
+      return isTabbable(element);
+    }
+  });
+})(jQuery, Drupal, window.tabbable);
\ No newline at end of file
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