1 files changed, 18 insertions, 1 deletions
diff --git a/vendor/twbs/bootstrap/js/src/dom/selector-engine.js b/vendor/twbs/bootstrap/js/src/dom/selector-engine.js
index 381e45fe8..19e45c205 100644
--- a/vendor/twbs/bootstrap/js/src/dom/selector-engine.js
+++ b/vendor/twbs/bootstrap/js/src/dom/selector-engine.js
@@ -1,6 +1,6 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v5.0.2): dom/selector-engine.js
+ * Bootstrap (v5.1.1): dom/selector-engine.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -11,6 +11,8 @@
  * ------------------------------------------------------------------------
  */
 
+import { isDisabled, isVisible } from '../util/index'
+
 const NODE_TEXT = 3
 
 const SelectorEngine = {
@@ -69,6 +71,21 @@ const SelectorEngine = {
     }
 
     return []
+  },
+
+  focusableChildren(element) {
+    const focusables = [
+      'a',
+      'button',
+      'input',
+      'textarea',
+      'select',
+      'details',
+      '[tabindex]',
+      '[contenteditable="true"]'
+    ].map(selector => `${selector}:not([tabindex^="-"])`).join(', ')
+
+    return this.find(focusables, element).filter(el => !isDisabled(el) && isVisible(el))
   }
 }