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{"version":3,"file":"dropdown.js","sources":["../src/dropdown.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.2): dropdown.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Popper from 'popper.js'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME = 'dropdown'\nconst VERSION = '4.5.2'\nconst DATA_KEY = 'bs.dropdown'\nconst EVENT_KEY = `.${DATA_KEY}`\nconst DATA_API_KEY = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\nconst ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key\nconst SPACE_KEYCODE = 32 // KeyboardEvent.which value for space key\nconst TAB_KEYCODE = 9 // KeyboardEvent.which value for tab key\nconst ARROW_UP_KEYCODE = 38 // KeyboardEvent.which value for up arrow key\nconst ARROW_DOWN_KEYCODE = 40 // KeyboardEvent.which value for down arrow key\nconst RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)\nconst REGEXP_KEYDOWN = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)\n\nconst EVENT_HIDE = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN = `hidden${EVENT_KEY}`\nconst EVENT_SHOW = `show${EVENT_KEY}`\nconst EVENT_SHOWN = `shown${EVENT_KEY}`\nconst EVENT_CLICK = `click${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_KEYDOWN_DATA_API = `keydown${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_KEYUP_DATA_API = `keyup${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DISABLED = 'disabled'\nconst CLASS_NAME_SHOW = 'show'\nconst CLASS_NAME_DROPUP = 'dropup'\nconst CLASS_NAME_DROPRIGHT = 'dropright'\nconst CLASS_NAME_DROPLEFT = 'dropleft'\nconst CLASS_NAME_MENURIGHT = 'dropdown-menu-right'\nconst CLASS_NAME_POSITION_STATIC = 'position-static'\n\nconst SELECTOR_DATA_TOGGLE = '[data-toggle=\"dropdown\"]'\nconst SELECTOR_FORM_CHILD = '.dropdown form'\nconst SELECTOR_MENU = '.dropdown-menu'\nconst SELECTOR_NAVBAR_NAV = '.navbar-nav'\nconst SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'\n\nconst PLACEMENT_TOP = 'top-start'\nconst PLACEMENT_TOPEND = 'top-end'\nconst PLACEMENT_BOTTOM = 'bottom-start'\nconst PLACEMENT_BOTTOMEND = 'bottom-end'\nconst PLACEMENT_RIGHT = 'right-start'\nconst PLACEMENT_LEFT = 'left-start'\n\nconst Default = {\n offset : 0,\n flip : true,\n boundary : 'scrollParent',\n reference : 'toggle',\n display : 'dynamic',\n popperConfig : null\n}\n\nconst DefaultType = {\n offset : '(number|string|function)',\n flip : 'boolean',\n boundary : '(string|element)',\n reference : '(string|element)',\n display : 'string',\n popperConfig : '(null|object)'\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Dropdown {\n constructor(element, config) {\n this._element = element\n this._popper = null\n this._config = this._getConfig(config)\n this._menu = this._getMenuElement()\n this._inNavbar = this._detectNavbar()\n\n this._addEventListeners()\n }\n\n // Getters\n\n static get VERSION() {\n return VERSION\n }\n\n static get Default() {\n return Default\n }\n\n static get DefaultType() {\n return DefaultType\n }\n\n // Public\n\n toggle() {\n if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED))
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