1 files changed, 0 insertions, 109 deletions
diff --git a/vendor/twbs/bootstrap/js/src/util/focustrap.js b/vendor/twbs/bootstrap/js/src/util/focustrap.js
deleted file mode 100644
index ca6f8273f..000000000
--- a/vendor/twbs/bootstrap/js/src/util/focustrap.js
+++ /dev/null
@@ -1,109 +0,0 @@
-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v5.1.1): util/focustrap.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * --------------------------------------------------------------------------
- */
-
-import EventHandler from '../dom/event-handler'
-import SelectorEngine from '../dom/selector-engine'
-import { typeCheckConfig } from './index'
-
-const Default = {
-  trapElement: null, // The element to trap focus inside of
-  autofocus: true
-}
-
-const DefaultType = {
-  trapElement: 'element',
-  autofocus: 'boolean'
-}
-
-const NAME = 'focustrap'
-const DATA_KEY = 'bs.focustrap'
-const EVENT_KEY = `.${DATA_KEY}`
-const EVENT_FOCUSIN = `focusin${EVENT_KEY}`
-const EVENT_KEYDOWN_TAB = `keydown.tab${EVENT_KEY}`
-
-const TAB_KEY = 'Tab'
-const TAB_NAV_FORWARD = 'forward'
-const TAB_NAV_BACKWARD = 'backward'
-
-class FocusTrap {
-  constructor(config) {
-    this._config = this._getConfig(config)
-    this._isActive = false
-    this._lastTabNavDirection = null
-  }
-
-  activate() {
-    const { trapElement, autofocus } = this._config
-
-    if (this._isActive) {
-      return
-    }
-
-    if (autofocus) {
-      trapElement.focus()
-    }
-
-    EventHandler.off(document, EVENT_KEY) // guard against infinite focus loop
-    EventHandler.on(document, EVENT_FOCUSIN, event => this._handleFocusin(event))
-    EventHandler.on(document, EVENT_KEYDOWN_TAB, event => this._handleKeydown(event))
-
-    this._isActive = true
-  }
-
-  deactivate() {
-    if (!this._isActive) {
-      return
-    }
-
-    this._isActive = false
-    EventHandler.off(document, EVENT_KEY)
-  }
-
-  // Private
-
-  _handleFocusin(event) {
-    const { target } = event
-    const { trapElement } = this._config
-
-    if (
-      target === document ||
-      target === trapElement ||
-      trapElement.contains(target)
-    ) {
-      return
-    }
-
-    const elements = SelectorEngine.focusableChildren(trapElement)
-
-    if (elements.length === 0) {
-      trapElement.focus()
-    } else if (this._lastTabNavDirection === TAB_NAV_BACKWARD) {
-      elements[elements.length - 1].focus()
-    } else {
-      elements[0].focus()
-    }
-  }
-
-  _handleKeydown(event) {
-    if (event.key !== TAB_KEY) {
-      return
-    }
-
-    this._lastTabNavDirection = event.shiftKey ? TAB_NAV_BACKWARD : TAB_NAV_FORWARD
-  }
-
-  _getConfig(config) {
-    config = {
-      ...Default,
-      ...(typeof config === 'object' ? config : {})
-    }
-    typeCheckConfig(NAME, config, DefaultType)
-    return config
-  }
-}
-
-export default FocusTrap