mirror of
https://github.com/twbs/bootstrap.git
synced 2022-11-09 12:25:43 -05:00
620 lines
21 KiB
JavaScript
620 lines
21 KiB
JavaScript
/*!
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* Bootstrap dropdown.js v5.0.0-alpha3 (https://getbootstrap.com/)
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* Copyright 2011-2020 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/data.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('popper.js'), require('./dom/selector-engine.js')) :
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typeof define === 'function' && define.amd ? define(['./dom/data.js', './dom/event-handler.js', './dom/manipulator.js', 'popper.js', './dom/selector-engine.js'], factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global.Data, global.EventHandler, global.Manipulator, global.Popper, global.SelectorEngine));
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}(this, (function (Data, EventHandler, Manipulator, Popper, SelectorEngine) { 'use strict';
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function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
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var Data__default = /*#__PURE__*/_interopDefaultLegacy(Data);
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var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
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var Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
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var Popper__default = /*#__PURE__*/_interopDefaultLegacy(Popper);
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var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v5.0.0-alpha3): util/index.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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* --------------------------------------------------------------------------
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*/
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var toType = function toType(obj) {
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if (obj === null || obj === undefined) {
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return "" + obj;
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}
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return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
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};
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var getSelector = function getSelector(element) {
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var selector = element.getAttribute('data-target');
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if (!selector || selector === '#') {
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var hrefAttr = element.getAttribute('href');
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selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null;
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}
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return selector;
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};
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var getElementFromSelector = function getElementFromSelector(element) {
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var selector = getSelector(element);
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return selector ? document.querySelector(selector) : null;
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};
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var isElement = function isElement(obj) {
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return (obj[0] || obj).nodeType;
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};
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var typeCheckConfig = function typeCheckConfig(componentName, config, configTypes) {
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Object.keys(configTypes).forEach(function (property) {
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var expectedTypes = configTypes[property];
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var value = config[property];
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var valueType = value && isElement(value) ? 'element' : toType(value);
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if (!new RegExp(expectedTypes).test(valueType)) {
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throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\"."));
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}
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});
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};
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var isVisible = function isVisible(element) {
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if (!element) {
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return false;
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}
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if (element.style && element.parentNode && element.parentNode.style) {
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var elementStyle = getComputedStyle(element);
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var parentNodeStyle = getComputedStyle(element.parentNode);
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return elementStyle.display !== 'none' && parentNodeStyle.display !== 'none' && elementStyle.visibility !== 'hidden';
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}
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return false;
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};
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var noop = function noop() {
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return function () {};
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};
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var getjQuery = function getjQuery() {
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var _window = window,
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jQuery = _window.jQuery;
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if (jQuery && !document.body.hasAttribute('data-no-jquery')) {
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return jQuery;
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}
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return null;
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};
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var onDOMContentLoaded = function onDOMContentLoaded(callback) {
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', callback);
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} else {
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callback();
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}
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};
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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); }
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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); } }
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function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
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/**
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* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
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*/
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var NAME = 'dropdown';
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var VERSION = '5.0.0-alpha3';
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var DATA_KEY = 'bs.dropdown';
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var EVENT_KEY = "." + DATA_KEY;
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var DATA_API_KEY = '.data-api';
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var ESCAPE_KEY = 'Escape';
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var SPACE_KEY = 'Space';
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var TAB_KEY = 'Tab';
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var ARROW_UP_KEY = 'ArrowUp';
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var ARROW_DOWN_KEY = 'ArrowDown';
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var RIGHT_MOUSE_BUTTON = 2; // MouseEvent.button value for the secondary button, usually the right button
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var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEY + "|" + ARROW_DOWN_KEY + "|" + ESCAPE_KEY);
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var EVENT_HIDE = "hide" + EVENT_KEY;
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var EVENT_HIDDEN = "hidden" + EVENT_KEY;
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var EVENT_SHOW = "show" + EVENT_KEY;
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var EVENT_SHOWN = "shown" + EVENT_KEY;
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var EVENT_CLICK = "click" + EVENT_KEY;
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var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY;
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var EVENT_KEYDOWN_DATA_API = "keydown" + EVENT_KEY + DATA_API_KEY;
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var EVENT_KEYUP_DATA_API = "keyup" + EVENT_KEY + DATA_API_KEY;
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var CLASS_NAME_DISABLED = 'disabled';
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var CLASS_NAME_SHOW = 'show';
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var CLASS_NAME_DROPUP = 'dropup';
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var CLASS_NAME_DROPRIGHT = 'dropright';
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var CLASS_NAME_DROPLEFT = 'dropleft';
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var CLASS_NAME_MENURIGHT = 'dropdown-menu-right';
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var CLASS_NAME_NAVBAR = 'navbar';
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var CLASS_NAME_POSITION_STATIC = 'position-static';
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var SELECTOR_DATA_TOGGLE = '[data-toggle="dropdown"]';
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var SELECTOR_FORM_CHILD = '.dropdown form';
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var SELECTOR_MENU = '.dropdown-menu';
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var SELECTOR_NAVBAR_NAV = '.navbar-nav';
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var SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)';
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var PLACEMENT_TOP = 'top-start';
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var PLACEMENT_TOPEND = 'top-end';
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var PLACEMENT_BOTTOM = 'bottom-start';
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var PLACEMENT_BOTTOMEND = 'bottom-end';
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var PLACEMENT_RIGHT = 'right-start';
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var PLACEMENT_LEFT = 'left-start';
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var Default = {
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offset: 0,
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flip: true,
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boundary: 'scrollParent',
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reference: 'toggle',
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display: 'dynamic',
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popperConfig: null
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};
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var DefaultType = {
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offset: '(number|string|function)',
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flip: 'boolean',
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boundary: '(string|element)',
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reference: '(string|element)',
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display: 'string',
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popperConfig: '(null|object)'
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};
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/**
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* ------------------------------------------------------------------------
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* Class Definition
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* ------------------------------------------------------------------------
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*/
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var Dropdown = /*#__PURE__*/function () {
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function Dropdown(element, config) {
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this._element = element;
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this._popper = null;
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this._config = this._getConfig(config);
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this._menu = this._getMenuElement();
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this._inNavbar = this._detectNavbar();
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this._addEventListeners();
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Data__default['default'].setData(element, DATA_KEY, this);
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} // Getters
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var _proto = Dropdown.prototype;
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// Public
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_proto.toggle = function toggle() {
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if (this._element.disabled || this._element.classList.contains(CLASS_NAME_DISABLED)) {
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return;
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}
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var isActive = this._element.classList.contains(CLASS_NAME_SHOW);
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Dropdown.clearMenus();
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if (isActive) {
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return;
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}
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this.show();
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};
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_proto.show = function show() {
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if (this._element.disabled || this._element.classList.contains(CLASS_NAME_DISABLED) || this._menu.classList.contains(CLASS_NAME_SHOW)) {
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return;
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}
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var parent = Dropdown.getParentFromElement(this._element);
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var relatedTarget = {
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relatedTarget: this._element
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};
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var showEvent = EventHandler__default['default'].trigger(this._element, EVENT_SHOW, relatedTarget);
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if (showEvent.defaultPrevented) {
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return;
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} // Disable totally Popper.js for Dropdown in Navbar
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if (!this._inNavbar) {
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if (typeof Popper__default['default'] === 'undefined') {
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throw new TypeError('Bootstrap\'s dropdowns require Popper.js (https://popper.js.org)');
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}
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var referenceElement = this._element;
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if (this._config.reference === 'parent') {
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referenceElement = parent;
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} else if (isElement(this._config.reference)) {
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referenceElement = this._config.reference; // Check if it's jQuery element
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if (typeof this._config.reference.jquery !== 'undefined') {
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referenceElement = this._config.reference[0];
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}
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} // If boundary is not `scrollParent`, then set position to `static`
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// to allow the menu to "escape" the scroll parent's boundaries
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// https://github.com/twbs/bootstrap/issues/24251
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if (this._config.boundary !== 'scrollParent') {
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parent.classList.add(CLASS_NAME_POSITION_STATIC);
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}
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this._popper = new Popper__default['default'](referenceElement, this._menu, this._getPopperConfig());
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} // If this is a touch-enabled device we add extra
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// empty mouseover listeners to the body's immediate children;
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// only needed because of broken event delegation on iOS
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// https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
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if ('ontouchstart' in document.documentElement && !parent.closest(SELECTOR_NAVBAR_NAV)) {
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var _ref;
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(_ref = []).concat.apply(_ref, document.body.children).forEach(function (elem) {
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return EventHandler__default['default'].on(elem, 'mouseover', null, noop());
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});
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}
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this._element.focus();
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this._element.setAttribute('aria-expanded', true);
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this._menu.classList.toggle(CLASS_NAME_SHOW);
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this._element.classList.toggle(CLASS_NAME_SHOW);
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EventHandler__default['default'].trigger(parent, EVENT_SHOWN, relatedTarget);
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};
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_proto.hide = function hide() {
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if (this._element.disabled || this._element.classList.contains(CLASS_NAME_DISABLED) || !this._menu.classList.contains(CLASS_NAME_SHOW)) {
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return;
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}
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var parent = Dropdown.getParentFromElement(this._element);
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var relatedTarget = {
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relatedTarget: this._element
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};
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var hideEvent = EventHandler__default['default'].trigger(parent, EVENT_HIDE, relatedTarget);
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if (hideEvent.defaultPrevented) {
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return;
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}
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if (this._popper) {
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this._popper.destroy();
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}
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this._menu.classList.toggle(CLASS_NAME_SHOW);
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this._element.classList.toggle(CLASS_NAME_SHOW);
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EventHandler__default['default'].trigger(parent, EVENT_HIDDEN, relatedTarget);
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};
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_proto.dispose = function dispose() {
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Data__default['default'].removeData(this._element, DATA_KEY);
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EventHandler__default['default'].off(this._element, EVENT_KEY);
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this._element = null;
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this._menu = null;
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if (this._popper) {
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this._popper.destroy();
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this._popper = null;
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}
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};
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_proto.update = function update() {
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this._inNavbar = this._detectNavbar();
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if (this._popper) {
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this._popper.scheduleUpdate();
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}
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} // Private
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;
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_proto._addEventListeners = function _addEventListeners() {
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var _this = this;
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EventHandler__default['default'].on(this._element, EVENT_CLICK, function (event) {
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event.preventDefault();
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event.stopPropagation();
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_this.toggle();
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});
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};
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_proto._getConfig = function _getConfig(config) {
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config = _extends({}, this.constructor.Default, Manipulator__default['default'].getDataAttributes(this._element), config);
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typeCheckConfig(NAME, config, this.constructor.DefaultType);
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return config;
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};
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_proto._getMenuElement = function _getMenuElement() {
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return SelectorEngine__default['default'].next(this._element, SELECTOR_MENU)[0];
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};
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_proto._getPlacement = function _getPlacement() {
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var parentDropdown = this._element.parentNode;
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var placement = PLACEMENT_BOTTOM; // Handle dropup
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if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) {
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placement = this._menu.classList.contains(CLASS_NAME_MENURIGHT) ? PLACEMENT_TOPEND : PLACEMENT_TOP;
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} else if (parentDropdown.classList.contains(CLASS_NAME_DROPRIGHT)) {
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placement = PLACEMENT_RIGHT;
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} else if (parentDropdown.classList.contains(CLASS_NAME_DROPLEFT)) {
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placement = PLACEMENT_LEFT;
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} else if (this._menu.classList.contains(CLASS_NAME_MENURIGHT)) {
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placement = PLACEMENT_BOTTOMEND;
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}
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return placement;
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};
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_proto._detectNavbar = function _detectNavbar() {
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return Boolean(this._element.closest("." + CLASS_NAME_NAVBAR));
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};
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_proto._getOffset = function _getOffset() {
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var _this2 = this;
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var offset = {};
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if (typeof this._config.offset === 'function') {
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offset.fn = function (data) {
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data.offsets = _extends({}, data.offsets, _this2._config.offset(data.offsets, _this2._element) || {});
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return data;
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};
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} else {
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offset.offset = this._config.offset;
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}
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return offset;
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};
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_proto._getPopperConfig = function _getPopperConfig() {
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var popperConfig = {
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placement: this._getPlacement(),
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modifiers: {
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offset: this._getOffset(),
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flip: {
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enabled: this._config.flip
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},
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preventOverflow: {
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boundariesElement: this._config.boundary
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}
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}
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}; // Disable Popper.js if we have a static display
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if (this._config.display === 'static') {
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popperConfig.modifiers.applyStyle = {
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enabled: false
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};
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}
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return _extends({}, popperConfig, this._config.popperConfig);
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} // Static
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;
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Dropdown.dropdownInterface = function dropdownInterface(element, config) {
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var data = Data__default['default'].getData(element, DATA_KEY);
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var _config = typeof config === 'object' ? config : null;
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if (!data) {
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data = new Dropdown(element, _config);
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}
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if (typeof config === 'string') {
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if (typeof data[config] === 'undefined') {
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throw new TypeError("No method named \"" + config + "\"");
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}
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data[config]();
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}
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};
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Dropdown.jQueryInterface = function jQueryInterface(config) {
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return this.each(function () {
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Dropdown.dropdownInterface(this, config);
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});
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};
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Dropdown.clearMenus = function clearMenus(event) {
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if (event && (event.button === RIGHT_MOUSE_BUTTON || event.type === 'keyup' && event.key !== TAB_KEY)) {
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return;
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}
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var toggles = SelectorEngine__default['default'].find(SELECTOR_DATA_TOGGLE);
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for (var i = 0, len = toggles.length; i < len; i++) {
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var parent = Dropdown.getParentFromElement(toggles[i]);
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var context = Data__default['default'].getData(toggles[i], DATA_KEY);
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var relatedTarget = {
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relatedTarget: toggles[i]
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};
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if (event && event.type === 'click') {
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relatedTarget.clickEvent = event;
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}
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if (!context) {
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continue;
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}
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var dropdownMenu = context._menu;
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if (!toggles[i].classList.contains(CLASS_NAME_SHOW)) {
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continue;
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}
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if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.key === TAB_KEY) && dropdownMenu.contains(event.target)) {
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continue;
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}
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var hideEvent = EventHandler__default['default'].trigger(parent, EVENT_HIDE, relatedTarget);
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if (hideEvent.defaultPrevented) {
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continue;
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} // If this is a touch-enabled device we remove the extra
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// empty mouseover listeners we added for iOS support
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if ('ontouchstart' in document.documentElement) {
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var _ref2;
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(_ref2 = []).concat.apply(_ref2, document.body.children).forEach(function (elem) {
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return EventHandler__default['default'].off(elem, 'mouseover', null, noop());
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});
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}
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toggles[i].setAttribute('aria-expanded', 'false');
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if (context._popper) {
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context._popper.destroy();
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}
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dropdownMenu.classList.remove(CLASS_NAME_SHOW);
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toggles[i].classList.remove(CLASS_NAME_SHOW);
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EventHandler__default['default'].trigger(parent, EVENT_HIDDEN, relatedTarget);
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}
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};
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Dropdown.getParentFromElement = function getParentFromElement(element) {
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return getElementFromSelector(element) || element.parentNode;
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};
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Dropdown.dataApiKeydownHandler = function dataApiKeydownHandler(event) {
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// If not input/textarea:
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// - And not a key in REGEXP_KEYDOWN => not a dropdown command
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// If input/textarea:
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// - 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.key === SPACE_KEY || event.key !== ESCAPE_KEY && (event.key !== ARROW_DOWN_KEY && event.key !== ARROW_UP_KEY || event.target.closest(SELECTOR_MENU)) : !REGEXP_KEYDOWN.test(event.key)) {
|
|
return;
|
|
}
|
|
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
|
|
if (this.disabled || this.classList.contains(CLASS_NAME_DISABLED)) {
|
|
return;
|
|
}
|
|
|
|
var parent = Dropdown.getParentFromElement(this);
|
|
var isActive = this.classList.contains(CLASS_NAME_SHOW);
|
|
|
|
if (event.key === ESCAPE_KEY) {
|
|
var button = this.matches(SELECTOR_DATA_TOGGLE) ? this : SelectorEngine__default['default'].prev(this, SELECTOR_DATA_TOGGLE)[0];
|
|
button.focus();
|
|
Dropdown.clearMenus();
|
|
return;
|
|
}
|
|
|
|
if (!isActive || event.key === SPACE_KEY) {
|
|
Dropdown.clearMenus();
|
|
return;
|
|
}
|
|
|
|
var items = SelectorEngine__default['default'].find(SELECTOR_VISIBLE_ITEMS, parent).filter(isVisible);
|
|
|
|
if (!items.length) {
|
|
return;
|
|
}
|
|
|
|
var index = items.indexOf(event.target);
|
|
|
|
if (event.key === ARROW_UP_KEY && index > 0) {
|
|
// Up
|
|
index--;
|
|
}
|
|
|
|
if (event.key === ARROW_DOWN_KEY && index < items.length - 1) {
|
|
// Down
|
|
index++;
|
|
} // index is -1 if the first keydown is an ArrowUp
|
|
|
|
|
|
index = index === -1 ? 0 : index;
|
|
items[index].focus();
|
|
};
|
|
|
|
Dropdown.getInstance = function getInstance(element) {
|
|
return Data__default['default'].getData(element, DATA_KEY);
|
|
};
|
|
|
|
_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
|
|
* ------------------------------------------------------------------------
|
|
*/
|
|
|
|
|
|
EventHandler__default['default'].on(document, EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown.dataApiKeydownHandler);
|
|
EventHandler__default['default'].on(document, EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown.dataApiKeydownHandler);
|
|
EventHandler__default['default'].on(document, EVENT_CLICK_DATA_API, Dropdown.clearMenus);
|
|
EventHandler__default['default'].on(document, EVENT_KEYUP_DATA_API, Dropdown.clearMenus);
|
|
EventHandler__default['default'].on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
Dropdown.dropdownInterface(this, 'toggle');
|
|
});
|
|
EventHandler__default['default'].on(document, EVENT_CLICK_DATA_API, SELECTOR_FORM_CHILD, function (e) {
|
|
return e.stopPropagation();
|
|
});
|
|
/**
|
|
* ------------------------------------------------------------------------
|
|
* jQuery
|
|
* ------------------------------------------------------------------------
|
|
* add .Dropdown to jQuery only if jQuery is present
|
|
*/
|
|
|
|
onDOMContentLoaded(function () {
|
|
var $ = getjQuery();
|
|
/* istanbul ignore if */
|
|
|
|
if ($) {
|
|
var JQUERY_NO_CONFLICT = $.fn[NAME];
|
|
$.fn[NAME] = Dropdown.jQueryInterface;
|
|
$.fn[NAME].Constructor = Dropdown;
|
|
|
|
$.fn[NAME].noConflict = function () {
|
|
$.fn[NAME] = JQUERY_NO_CONFLICT;
|
|
return Dropdown.jQueryInterface;
|
|
};
|
|
}
|
|
});
|
|
|
|
return Dropdown;
|
|
|
|
})));
|
|
//# sourceMappingURL=dropdown.js.map
|