function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; } function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } /** * -------------------------------------------------------------------------- * Bootstrap (v4.0.0): dropdown.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) * -------------------------------------------------------------------------- */ var Dropdown = function ($) { /** * ------------------------------------------------------------------------ * Constants * ------------------------------------------------------------------------ */ var NAME = 'dropdown'; var VERSION = '4.0.0'; var DATA_KEY = 'bs.dropdown'; var EVENT_KEY = "." + DATA_KEY; var DATA_API_KEY = '.data-api'; var JQUERY_NO_CONFLICT = $.fn[NAME]; var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse) var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + "|" + ARROW_DOWN_KEYCODE + "|" + ESCAPE_KEYCODE); var Event = { HIDE: "hide" + EVENT_KEY, HIDDEN: "hidden" + EVENT_KEY, SHOW: "show" + EVENT_KEY, SHOWN: "shown" + EVENT_KEY, CLICK: "click" + EVENT_KEY, CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY, KEYDOWN_DATA_API: "keydown" + EVENT_KEY + DATA_API_KEY, KEYUP_DATA_API: "keyup" + EVENT_KEY + DATA_API_KEY }; var ClassName = { DISABLED: 'disabled', SHOW: 'show', DROPUP: 'dropup', DROPRIGHT: 'dropright', DROPLEFT: 'dropleft', MENURIGHT: 'dropdown-menu-right', MENULEFT: 'dropdown-menu-left', POSITION_STATIC: 'position-static' }; var Selector = { DATA_TOGGLE: '[data-toggle="dropdown"]', FORM_CHILD: '.dropdown form', MENU: '.dropdown-menu', NAVBAR_NAV: '.navbar-nav', VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)' }; var AttachmentMap = { TOP: 'top-start', TOPEND: 'top-end', BOTTOM: 'bottom-start', BOTTOMEND: 'bottom-end', RIGHT: 'right-start', RIGHTEND: 'right-end', LEFT: 'left-start', LEFTEND: 'left-end' }; var Default = { offset: 0, flip: true, boundary: 'scrollParent', reference: 'toggle', display: 'dynamic' }; var DefaultType = { offset: '(number|string|function)', flip: 'boolean', boundary: '(string|element)', reference: '(string|element)', display: 'string' /** * ------------------------------------------------------------------------ * Class Definition * ------------------------------------------------------------------------ */ }; var Dropdown = /*#__PURE__*/ function () { function Dropdown(element, config) { this._element = element; this._popper = null; this._config = this._getConfig(config); this._menu = this._getMenuElement(); this._inNavbar = this._detectNavbar(); this._addEventListeners(); } // Getters var _proto = Dropdown.prototype; // Public _proto.toggle = function toggle() { if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) { return; } var parent = Dropdown._getParentFromElement(this._element); var isActive = $(this._menu).hasClass(ClassName.SHOW); Dropdown._clearMenus(); if (isActive) { return; } var relatedTarget = { relatedTarget: this._element }; var showEvent = $.Event(Event.SHOW, relatedTarget); $(parent).trigger(showEvent); if (showEvent.isDefaultPrevented()) { return; } // Disable totally Popper.js for Dropdown in Navbar if (!this._inNavbar) { /** * Check for Popper dependency * Popper - https://popper.js.org */ if (typeof Popper === 'undefined') { throw new TypeError('Bootstrap dropdown require Popper.js (https://popper.js.org)'); } var referenceElement = this._element; if (this._config.reference === 'parent') { referenceElement = parent; } else if (Util.isElement(this._config.reference)) { referenceElement = this._config.reference; // Check if it's jQuery element if (typeof this._config.reference.jquery !== 'undefined') { referenceElement = this._config.reference[0]; } } // If boundary is not `scrollParent`, then set position to `static` // to allow the menu to "escape" the scroll parent's boundaries // https://github.com/twbs/bootstrap/issues/24251 if (this._config.boundary !== 'scrollParent') { $(parent).addClass(ClassName.POSITION_STATIC); } this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig()); } // If this is a touch-enabled device we add extra // empty mouseover listeners to the body's immediate children; // only needed because of broken event delegation on iOS // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html if ('ontouchstart' in document.documentElement && $(parent).closest(Selector.NAVBAR_NAV).length === 0) { $(document.body).children().on('mouseover', null, $.noop); } this._element.focus(); this._element.setAttribute('aria-expanded', true); $(this._menu).toggleClass(ClassName.SHOW); $(parent).toggleClass(ClassName.SHOW).trigger($.Event(Event.SHOWN, relatedTarget)); }; _proto.dispose = function dispose() { $.removeData(this._element, DATA_KEY); $(this._element).off(EVENT_KEY); this._element = null; this._menu = null; if (this._popper !== null) { this._popper.destroy(); this._popper = null; } }; _proto.update = function update() { this._inNavbar = this._detectNavbar(); if (this._popper !== null) { this._popper.scheduleUpdate(); } }; // Private _proto._addEventListeners = function _addEventListeners() { var _this = this; $(this._element).on(Event.CLICK, function (event) { event.preventDefault(); event.stopPropagation(); _this.toggle(); }); }; _proto._getConfig = function _getConfig(config) { config = _objectSpread({}, this.constructor.Default, $(this._element).data(), config); Util.typeCheckConfig(NAME, config, this.constructor.DefaultType); return config; }; _proto._getMenuElement = function _getMenuElement() { if (!this._menu) { var parent = Dropdown._getParentFromElement(this._element); this._menu = $(parent).find(Selector.MENU)[0]; } return this._menu; }; _proto._getPlacement = function _getPlacement() { var $parentDropdown = $(this._element).parent(); var placement = AttachmentMap.BOTTOM; // Handle dropup if ($parentDropdown.hasClass(ClassName.DROPUP)) { placement = AttachmentMap.TOP; if ($(this._menu).hasClass(ClassName.MENURIGHT)) { placement = AttachmentMap.TOPEND; } } else if ($parentDropdown.hasClass(ClassName.DROPRIGHT)) { placement = AttachmentMap.RIGHT; } else if ($parentDropdown.hasClass(ClassName.DROPLEFT)) { placement = AttachmentMap.LEFT; } else if ($(this._menu).hasClass(ClassName.MENURIGHT)) { placement = AttachmentMap.BOTTOMEND; } return placement; }; _proto._detectNavbar = function _detectNavbar() { return $(this._element).closest('.navbar').length > 0; }; _proto._getPopperConfig = function _getPopperConfig() { var _this2 = this; var offsetConf = {}; if (typeof this._config.offset === 'function') { offsetConf.fn = function (data) { data.offsets = _objectSpread({}, data.offsets, _this2._config.offset(data.offsets) || {}); return data; }; } else { offsetConf.offset = this._config.offset; } var popperConfig = { placement: this._getPlacement(), modifiers: { offset: offsetConf, flip: { enabled: this._config.flip }, preventOverflow: { boundariesElement: this._config.boundary } } // Disable Popper.js if we have a static display }; if (this._config.display === 'static') { popperConfig.modifiers.applyStyle = { enabled: false }; } return popperConfig; }; // Static Dropdown._jQueryInterface = function _jQueryInterface(config) { return this.each(function () { var data = $(this).data(DATA_KEY); var _config = typeof config === 'object' ? config : null; if (!data) { data = new Dropdown(this, _config); $(this).data(DATA_KEY, data); } if (typeof config === 'string') { if (typeof data[config] === 'undefined') { throw new TypeError("No method named \"" + config + "\""); } data[config](); } }); }; Dropdown._clearMenus = function _clearMenus(event) { if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) { return; } var toggles = $.makeArray($(Selector.DATA_TOGGLE)); for (var i = 0; i < toggles.length; i++) { var parent = Dropdown._getParentFromElement(toggles[i]); var context = $(toggles[i]).data(DATA_KEY); var relatedTarget = { relatedTarget: toggles[i] }; if (!context) { continue; } var dropdownMenu = context._menu; if (!$(parent).hasClass(ClassName.SHOW)) { continue; } if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $.contains(parent, event.target)) { continue; } var hideEvent = $.Event(Event.HIDE, relatedTarget); $(parent).trigger(hideEvent); if (hideEvent.isDefaultPrevented()) { continue; } // If this is a touch-enabled device we remove the extra // empty mouseover listeners we added for iOS support if ('ontouchstart' in document.documentElement) { $(document.body).children().off('mouseover', null, $.noop); } toggles[i].setAttribute('aria-expanded', 'false'); $(dropdownMenu).removeClass(ClassName.SHOW); $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget)); } }; Dropdown._getParentFromElement = function _getParentFromElement(element) { var parent; var selector = Util.getSelectorFromElement(element); if (selector) { parent = $(selector)[0]; } return parent || element.parentNode; }; // eslint-disable-next-line complexity Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) { // If not input/textarea: // - And not a key in REGEXP_KEYDOWN => not a dropdown command // If input/textarea: // - If space key => not a dropdown command // - If key is other than escape // - If key is not up or down => not a dropdown command // - If trigger inside the menu => not a dropdown command 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 || $(event.target).closest(Selector.MENU).length) : !REGEXP_KEYDOWN.test(event.which)) { return; } event.preventDefault(); event.stopPropagation(); if (this.disabled || $(this).hasClass(ClassName.DISABLED)) { return; } var parent = Dropdown._getParentFromElement(this); var isActive = $(parent).hasClass(ClassName.SHOW); if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) { if (event.which === ESCAPE_KEYCODE) { var toggle = $(parent).find(Selector.DATA_TOGGLE)[0]; $(toggle).trigger('focus'); } $(this).trigger('click'); return; } var items = $(parent).find(Selector.VISIBLE_ITEMS).get(); if (items.length === 0) { return; } var index = items.indexOf(event.target); if (event.which === ARROW_UP_KEYCODE && index > 0) { // Up index--; } if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // Down index++; } if (index < 0) { index = 0; } items[index].focus(); }; _createClass(Dropdown, null, [{ key: "VERSION", get: function get() { return VERSION; } }, { key: "Default", get: function get() { return Default; } }, { key: "DefaultType", get: function get() { return DefaultType; } }]); return Dropdown; }(); /** * ------------------------------------------------------------------------ * Data Api implementation * ------------------------------------------------------------------------ */ $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + " " + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) { event.preventDefault(); event.stopPropagation(); Dropdown._jQueryInterface.call($(this), 'toggle'); }).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) { e.stopPropagation(); }); /** * ------------------------------------------------------------------------ * jQuery * ------------------------------------------------------------------------ */ $.fn[NAME] = Dropdown._jQueryInterface; $.fn[NAME].Constructor = Dropdown; $.fn[NAME].noConflict = function () { $.fn[NAME] = JQUERY_NO_CONFLICT; return Dropdown._jQueryInterface; }; return Dropdown; }($, Popper); //# sourceMappingURL=dropdown.js.map