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strict\";\n\ndefine([\"exports\", \"jquery\", \"core/popper\", \"./util\"], function (exports, _jquery, _popper, _util) {\n  \"use strict\";\n\n  Object.defineProperty(exports, \"__esModule\", {\n    value: true\n  });\n\n  var _jquery2 = _interopRequireDefault(_jquery);\n\n  var _popper2 = _interopRequireDefault(_popper);\n\n  var _util2 = _interopRequireDefault(_util);\n\n  function _interopRequireDefault(obj) {\n    return obj && obj.__esModule ? obj : {\n      default: obj\n    };\n  }\n\n  function _typeof(obj) {\n    if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n      _typeof = function _typeof(obj) {\n        return typeof obj;\n      };\n    } else {\n      _typeof = function _typeof(obj) {\n        return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n      };\n    }\n\n    return _typeof(obj);\n  }\n\n  function _objectSpread(target) {\n    for (var i = 1; i < arguments.length; i++) {\n      var source = arguments[i] != null ? arguments[i] : {};\n      var ownKeys = Object.keys(source);\n\n      if (typeof Object.getOwnPropertySymbols === 'function') {\n        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {\n          return Object.getOwnPropertyDescriptor(source, sym).enumerable;\n        }));\n      }\n\n      ownKeys.forEach(function (key) {\n        _defineProperty(target, key, source[key]);\n      });\n    }\n\n    return target;\n  }\n\n  function _defineProperty(obj, key, value) {\n    if (key in obj) {\n      Object.defineProperty(obj, key, {\n        value: value,\n        enumerable: true,\n        configurable: true,\n        writable: true\n      });\n    } else {\n      obj[key] = value;\n    }\n\n    return obj;\n  }\n\n  function _classCallCheck(instance, Constructor) {\n    if (!(instance instanceof Constructor)) {\n      throw new TypeError(\"Cannot call a class as a function\");\n    }\n  }\n\n  function _defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      Object.defineProperty(target, descriptor.key, descriptor);\n    }\n  }\n\n  function _createClass(Constructor, protoProps, staticProps) {\n    if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) _defineProperties(Constructor, staticProps);\n    return Constructor;\n  }\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n  var NAME = 'dropdown';\n  var VERSION = '4.3.1';\n  var DATA_KEY = 'bs.dropdown';\n  var EVENT_KEY = \".\".concat(DATA_KEY);\n  var DATA_API_KEY = '.data-api';\n  var JQUERY_NO_CONFLICT = 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this._element;\n\n          if (this._config.reference === 'parent') {\n            referenceElement = parent;\n          } else if (_util2.default.isElement(this._config.reference)) {\n            referenceElement = this._config.reference; // Check if it's jQuery element\n\n            if (typeof this._config.reference.jquery !== 'undefined') {\n              referenceElement = this._config.reference[0];\n            }\n          } // If boundary is not `scrollParent`, then set position to `static`\n          // to allow the menu to \"escape\" the scroll parent's boundaries\n          // https://github.com/twbs/bootstrap/issues/24251\n\n\n          if (this._config.boundary !== 'scrollParent') {\n            (0, _jquery2.default)(parent).addClass(ClassName.POSITION_STATIC);\n          }\n\n          this._popper = new _popper2.default(referenceElement, this._menu, this._getPopperConfig());\n        } // If this is a touch-enabled device we add extra\n        // empty mouseover listeners to the body's immediate children;\n        // only needed because of broken event delegation on iOS\n        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n\n\n        if ('ontouchstart' in document.documentElement && (0, _jquery2.default)(parent).closest(Selector.NAVBAR_NAV).length === 0) {\n          (0, _jquery2.default)(document.body).children().on('mouseover', null, _jquery2.default.noop);\n        }\n\n        this._element.focus();\n\n        this._element.setAttribute('aria-expanded', true);\n\n        (0, _jquery2.default)(this._menu).toggleClass(ClassName.SHOW);\n        (0, _jquery2.default)(parent).toggleClass(ClassName.SHOW).trigger(_jquery2.default.Event(Event.SHOWN, relatedTarget));\n      }\n    }, {\n      key: \"show\",\n      value: function show() {\n        if (this._element.disabled || (0, _jquery2.default)(this._element).hasClass(ClassName.DISABLED) || (0, _jquery2.default)(this._menu).hasClass(ClassName.SHOW)) {\n          return;\n        }\n\n        var relatedTarget = {\n          relatedTarget: this._element\n        };\n\n        var showEvent = _jquery2.default.Event(Event.SHOW, relatedTarget);\n\n        var parent = Dropdown._getParentFromElement(this._element);\n\n        (0, _jquery2.default)(parent).trigger(showEvent);\n\n        if (showEvent.isDefaultPrevented()) {\n          return;\n        }\n\n        (0, _jquery2.default)(this._menu).toggleClass(ClassName.SHOW);\n        (0, _jquery2.default)(parent).toggleClass(ClassName.SHOW).trigger(_jquery2.default.Event(Event.SHOWN, relatedTarget));\n      }\n    }, {\n      key: \"hide\",\n      value: function hide() {\n        if (this._element.disabled || (0, _jquery2.default)(this._element).hasClass(ClassName.DISABLED) || !(0, _jquery2.default)(this._menu).hasClass(ClassName.SHOW)) {\n          return;\n        }\n\n        var relatedTarget = {\n          relatedTarget: this._element\n        };\n\n        var hideEvent = _jquery2.default.Event(Event.HIDE, relatedTarget);\n\n        var parent = Dropdown._getParentFromElement(this._element);\n\n        (0, _jquery2.default)(parent).trigger(hideEvent);\n\n        if (hideEvent.isDefaultPrevented()) {\n          return;\n        }\n\n        (0, _jquery2.default)(this._menu).toggleClass(ClassName.SHOW);\n        (0, _jquery2.default)(parent).toggleClass(ClassName.SHOW).trigger(_jquery2.default.Event(Event.HIDDEN, relatedTarget));\n      }\n    }, {\n      key: \"dispose\",\n      value: function dispose() {\n        _jquery2.default.removeData(this._element, DATA_KEY);\n\n        (0, _jquery2.default)(this._element).off(EVENT_KEY);\n        this._element = null;\n        this._menu = null;\n\n        if (this._popper !== null) {\n          this._popper.destroy();\n\n          this._popper = null;\n        }\n      }\n    }, {\n      key: \"update\",\n      value: function update() {\n        this._inNavbar = this._detectNavbar();\n\n        if (this._popper !== null) {\n          this._popper.scheduleUpdate();\n        }\n      }\n    }, {\n      key: \"_addEventListeners\",\n      value: function _addEventListeners() {\n        var _this = this;\n\n        (0, _jquery2.default)(this._element).on(Event.CLICK, function (event) {\n          event.preventDefault();\n          event.stopPropagation();\n\n          _this.toggle();\n        });\n      }\n    }, {\n      key: \"_getConfig\",\n      value: function _getConfig(config) {\n        config = _objectSpread({}, this.constructor.Default, (0, _jquery2.default)(this._element).data(), config);\n\n        _util2.default.typeCheckConfig(NAME, config, this.constructor.DefaultType);\n\n        return config;\n      }\n    }, {\n      key: \"_getMenuElement\",\n      value: function _getMenuElement() {\n        if (!this._menu) {\n          var parent = Dropdown._getParentFromElement(this._element);\n\n          if (parent) {\n            this._menu = parent.querySelector(Selector.MENU);\n          }\n        }\n\n        return this._menu;\n      }\n    }, {\n      key: \"_getPlacement\",\n      value: function _getPlacement() {\n        var $parentDropdown = (0, _jquery2.default)(this._element.parentNode);\n        var placement = AttachmentMap.BOTTOM; // Handle dropup\n\n        if ($parentDropdown.hasClass(ClassName.DROPUP)) {\n          placement = AttachmentMap.TOP;\n\n          if ((0, _jquery2.default)(this._menu).hasClass(ClassName.MENURIGHT)) {\n            placement = AttachmentMap.TOPEND;\n          }\n        } else if ($parentDropdown.hasClass(ClassName.DROPRIGHT)) {\n          placement = AttachmentMap.RIGHT;\n        } else if ($parentDropdown.hasClass(ClassName.DROPLEFT)) {\n          placement = AttachmentMap.LEFT;\n        } else if ((0, _jquery2.default)(this._menu).hasClass(ClassName.MENURIGHT)) {\n          placement = AttachmentMap.BOTTOMEND;\n        }\n\n        return placement;\n      }\n    }, {\n      key: \"_detectNavbar\",\n      value: function _detectNavbar() {\n        return (0, _jquery2.default)(this._element).closest('.navbar').length > 0;\n      }\n    }, {\n      key: \"_getOffset\",\n      value: function _getOffset() {\n        var _this2 = this;\n\n        var offset = {};\n\n        if (typeof this._config.offset === 'function') {\n          offset.fn = function (data) {\n            data.offsets = _objectSpread({}, data.offsets, _this2._config.offset(data.offsets, _this2._element) || {});\n            return data;\n          };\n        } else {\n          offset.offset = this._config.offset;\n        }\n\n        return offset;\n      }\n    }, {\n      key: \"_getPopperConfig\",\n      value: function _getPopperConfig() {\n        var popperConfig = {\n          placement: this._getPlacement(),\n          modifiers: {\n            offset: this._getOffset(),\n            flip: {\n              enabled: this._config.flip\n            },\n            preventOverflow: {\n              boundariesElement: this._config.boundary\n            }\n          } // Disable Popper.js if we have a static display\n\n        };\n\n        if (this._config.display === 'static') {\n          popperConfig.modifiers.applyStyle = {\n            enabled: false\n          };\n        }\n\n        return popperConfig;\n      }\n    }], [{\n      key: \"_jQueryInterface\",\n      value: function _jQueryInterface(config) {\n        return this.each(function () {\n          var data = (0, _jquery2.default)(this).data(DATA_KEY);\n\n          var _config = _typeof(config) === 'object' ? config : null;\n\n          if (!data) {\n            data = new Dropdown(this, _config);\n            (0, _jquery2.default)(this).data(DATA_KEY, data);\n          }\n\n          if (typeof config === 'string') {\n            if (typeof data[config] === 'undefined') {\n              throw new TypeError(\"No method named \\\"\".concat(config, \"\\\"\"));\n            }\n\n            data[config]();\n          }\n        });\n      }\n    }, {\n      key: \"_clearMenus\",\n      value: function _clearMenus(event) {\n        if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {\n          return;\n        }\n\n        var toggles = [].slice.call(document.querySelectorAll(Selector.DATA_TOGGLE));\n\n        for (var i = 0, len = toggles.length; i < len; i++) {\n          var parent = Dropdown._getParentFromElement(toggles[i]);\n\n          var context = (0, _jquery2.default)(toggles[i]).data(DATA_KEY);\n          var relatedTarget = {\n            relatedTarget: toggles[i]\n          };\n\n          if (event && event.type === 'click') {\n            relatedTarget.clickEvent = event;\n          }\n\n          if (!context) {\n            continue;\n          }\n\n          var dropdownMenu = context._menu;\n\n          if (!(0, _jquery2.default)(parent).hasClass(ClassName.SHOW)) {\n            continue;\n          }\n\n          if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && _jquery2.default.contains(parent, event.target)) {\n            continue;\n          }\n\n          var hideEvent = _jquery2.default.Event(Event.HIDE, relatedTarget);\n\n          (0, _jquery2.default)(parent).trigger(hideEvent);\n\n          if (hideEvent.isDefaultPrevented()) {\n            continue;\n          } // If this is a touch-enabled device we remove the extra\n          // empty mouseover listeners we added for iOS support\n\n\n          if ('ontouchstart' in document.documentElement) {\n            (0, _jquery2.default)(document.body).children().off('mouseover', null, _jquery2.default.noop);\n          }\n\n          toggles[i].setAttribute('aria-expanded', 'false');\n          (0, _jquery2.default)(dropdownMenu).removeClass(ClassName.SHOW);\n          (0, _jquery2.default)(parent).removeClass(ClassName.SHOW).trigger(_jquery2.default.Event(Event.HIDDEN, relatedTarget));\n        }\n      }\n    }, {\n      key: \"_getParentFromElement\",\n      value: function _getParentFromElement(element) {\n        var parent;\n\n        var selector = _util2.default.getSelectorFromElement(element);\n\n        if (selector) {\n          parent = document.querySelector(selector);\n        }\n\n        return parent || element.parentNode;\n      }\n    }, {\n      key: \"_dataApiKeydownHandler\",\n      value: function _dataApiKeydownHandler(event) {\n        // If not input/textarea:\n        //  - And not a key in REGEXP_KEYDOWN => not a dropdown command\n        // If input/textarea:\n        //  - If space key => not a dropdown command\n        //  - If key is other than escape\n        //    - If key is not up or down => not a dropdown command\n        //    - If trigger inside the menu => not a dropdown command\n        if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || (0, _jquery2.default)(event.target).closest(Selector.MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {\n          return;\n        }\n\n        event.preventDefault();\n        event.stopPropagation();\n\n        if (this.disabled || (0, _jquery2.default)(this).hasClass(ClassName.DISABLED)) {\n          return;\n        }\n\n        var parent = Dropdown._getParentFromElement(this);\n\n        var isActive = (0, _jquery2.default)(parent).hasClass(ClassName.SHOW);\n\n        if (!isActive || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {\n          if (event.which === ESCAPE_KEYCODE) {\n            var toggle = parent.querySelector(Selector.DATA_TOGGLE);\n            (0, _jquery2.default)(toggle).trigger('focus');\n          }\n\n          (0, _jquery2.default)(this).trigger('click');\n          return;\n        }\n\n        var items = [].slice.call(parent.querySelectorAll(Selector.VISIBLE_ITEMS));\n\n        if (items.length === 0) {\n          return;\n        }\n\n        var index = items.indexOf(event.target);\n\n        if (event.which === ARROW_UP_KEYCODE && index > 0) {\n          // Up\n          index--;\n        }\n\n        if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {\n          // Down\n          index++;\n        }\n\n        if (index < 0) {\n          index = 0;\n        }\n\n        items[index].focus();\n      }\n    }, {\n      key: \"VERSION\",\n      get: function get() {\n        return VERSION;\n      }\n    }, {\n      key: \"Default\",\n      get: function get() {\n        return Default;\n      }\n    }, {\n      key: \"DefaultType\",\n      get: function get() {\n        return DefaultType;\n      }\n    }]);\n\n    return Dropdown;\n  }();\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n  (0, _jquery2.default)(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(\"\".concat(Event.CLICK_DATA_API, \" \").concat(Event.KEYUP_DATA_API), Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    event.preventDefault();\n    event.stopPropagation();\n\n    Dropdown._jQueryInterface.call((0, _jquery2.default)(this), 'toggle');\n  }).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {\n    e.stopPropagation();\n  });\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  _jquery2.default.fn[NAME] = Dropdown._jQueryInterface;\n  _jquery2.default.fn[NAME].Constructor = Dropdown;\n\n  _jquery2.default.fn[NAME].noConflict = function () {\n    _jquery2.default.fn[NAME] = JQUERY_NO_CONFLICT;\n    return Dropdown._jQueryInterface;\n  };\n\n  exports.default = Dropdown;\n});"],"file":"dropdown.min.js"}