-function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

-

-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)'

- };

- 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'

- };

- var DefaultType = {

- offset: '(number|string|function)',

- flip: 'boolean',

- boundary: '(string|element)'

- /**

- * ------------------------------------------------------------------------

- * 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 element = this._element; // For dropup with alignment we use the parent as popper container

-

- if ($(parent).hasClass(ClassName.DROPUP)) {

- if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {

- element = parent;

- }

- } // 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(element, 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) {

- $('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 = _extends({}, 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 = _extends({}, 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

- }

- }

- };

- 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) {

- $('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 \ No newline at end of file