|
|
/*! * Bootstrap dropdown.js v5.3.3 (https://getbootstrap.com/)
* Copyright 2011-2024 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
*/ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@popperjs/core'), require('./base-component.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./dom/selector-engine.js'), require('./util/index.js')) : typeof define === 'function' && define.amd ? define(['@popperjs/core', './base-component', './dom/event-handler', './dom/manipulator', './dom/selector-engine', './util/index'], factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global["@popperjs/core"], global.BaseComponent, global.EventHandler, global.Manipulator, global.SelectorEngine, global.Index)); })(this, (function (Popper, BaseComponent, EventHandler, Manipulator, SelectorEngine, index_js) { 'use strict';
function _interopNamespaceDefault(e) { const n = Object.create(null, { [Symbol.toStringTag]: { value: 'Module' } }); if (e) { for (const k in e) { if (k !== 'default') { const d = Object.getOwnPropertyDescriptor(e, k); Object.defineProperty(n, k, d.get ? d : { enumerable: true, get: () => e[k] }); } } } n.default = e; return Object.freeze(n); }
const Popper__namespace = /*#__PURE__*/_interopNamespaceDefault(Popper);
/** * -------------------------------------------------------------------------- * Bootstrap dropdown.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* -------------------------------------------------------------------------- */
/** * Constants */
const NAME = 'dropdown'; const DATA_KEY = 'bs.dropdown'; const EVENT_KEY = `.${DATA_KEY}`; const DATA_API_KEY = '.data-api'; const ESCAPE_KEY = 'Escape'; const TAB_KEY = 'Tab'; const ARROW_UP_KEY = 'ArrowUp'; const ARROW_DOWN_KEY = 'ArrowDown'; const RIGHT_MOUSE_BUTTON = 2; // MouseEvent.button value for the secondary button, usually the right button
const EVENT_HIDE = `hide${EVENT_KEY}`; const EVENT_HIDDEN = `hidden${EVENT_KEY}`; const EVENT_SHOW = `show${EVENT_KEY}`; const EVENT_SHOWN = `shown${EVENT_KEY}`; const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`; const EVENT_KEYDOWN_DATA_API = `keydown${EVENT_KEY}${DATA_API_KEY}`; const EVENT_KEYUP_DATA_API = `keyup${EVENT_KEY}${DATA_API_KEY}`; const CLASS_NAME_SHOW = 'show'; const CLASS_NAME_DROPUP = 'dropup'; const CLASS_NAME_DROPEND = 'dropend'; const CLASS_NAME_DROPSTART = 'dropstart'; const CLASS_NAME_DROPUP_CENTER = 'dropup-center'; const CLASS_NAME_DROPDOWN_CENTER = 'dropdown-center'; const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="dropdown"]:not(.disabled):not(:disabled)'; const SELECTOR_DATA_TOGGLE_SHOWN = `${SELECTOR_DATA_TOGGLE}.${CLASS_NAME_SHOW}`; const SELECTOR_MENU = '.dropdown-menu'; const SELECTOR_NAVBAR = '.navbar'; const SELECTOR_NAVBAR_NAV = '.navbar-nav'; const SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'; const PLACEMENT_TOP = index_js.isRTL() ? 'top-end' : 'top-start'; const PLACEMENT_TOPEND = index_js.isRTL() ? 'top-start' : 'top-end'; const PLACEMENT_BOTTOM = index_js.isRTL() ? 'bottom-end' : 'bottom-start'; const PLACEMENT_BOTTOMEND = index_js.isRTL() ? 'bottom-start' : 'bottom-end'; const PLACEMENT_RIGHT = index_js.isRTL() ? 'left-start' : 'right-start'; const PLACEMENT_LEFT = index_js.isRTL() ? 'right-start' : 'left-start'; const PLACEMENT_TOPCENTER = 'top'; const PLACEMENT_BOTTOMCENTER = 'bottom'; const Default = { autoClose: true, boundary: 'clippingParents', display: 'dynamic', offset: [0, 2], popperConfig: null, reference: 'toggle' }; const DefaultType = { autoClose: '(boolean|string)', boundary: '(string|element)', display: 'string', offset: '(array|string|function)', popperConfig: '(null|object|function)', reference: '(string|element|object)' };
/** * Class definition */
class Dropdown extends BaseComponent { constructor(element, config) { super(element, config); this._popper = null; this._parent = this._element.parentNode; // dropdown wrapper
// TODO: v6 revert #37011 & change markup https://getbootstrap.com/docs/5.3/forms/input-group/
this._menu = SelectorEngine.next(this._element, SELECTOR_MENU)[0] || SelectorEngine.prev(this._element, SELECTOR_MENU)[0] || SelectorEngine.findOne(SELECTOR_MENU, this._parent); this._inNavbar = this._detectNavbar(); }
// Getters
static get Default() { return Default; } static get DefaultType() { return DefaultType; } static get NAME() { return NAME; }
// Public
toggle() { return this._isShown() ? this.hide() : this.show(); } show() { if (index_js.isDisabled(this._element) || this._isShown()) { return; } const relatedTarget = { relatedTarget: this._element }; const showEvent = EventHandler.trigger(this._element, EVENT_SHOW, relatedTarget); if (showEvent.defaultPrevented) { return; } this._createPopper();
// 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 && !this._parent.closest(SELECTOR_NAVBAR_NAV)) { for (const element of [].concat(...document.body.children)) { EventHandler.on(element, 'mouseover', index_js.noop); } } this._element.focus(); this._element.setAttribute('aria-expanded', true); this._menu.classList.add(CLASS_NAME_SHOW); this._element.classList.add(CLASS_NAME_SHOW); EventHandler.trigger(this._element, EVENT_SHOWN, relatedTarget); } hide() { if (index_js.isDisabled(this._element) || !this._isShown()) { return; } const relatedTarget = { relatedTarget: this._element }; this._completeHide(relatedTarget); } dispose() { if (this._popper) { this._popper.destroy(); } super.dispose(); } update() { this._inNavbar = this._detectNavbar(); if (this._popper) { this._popper.update(); } }
// Private
_completeHide(relatedTarget) { const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE, relatedTarget); if (hideEvent.defaultPrevented) { return; }
// If this is a touch-enabled device we remove the extra
// empty mouseover listeners we added for iOS support
if ('ontouchstart' in document.documentElement) { for (const element of [].concat(...document.body.children)) { EventHandler.off(element, 'mouseover', index_js.noop); } } if (this._popper) { this._popper.destroy(); } this._menu.classList.remove(CLASS_NAME_SHOW); this._element.classList.remove(CLASS_NAME_SHOW); this._element.setAttribute('aria-expanded', 'false'); Manipulator.removeDataAttribute(this._menu, 'popper'); EventHandler.trigger(this._element, EVENT_HIDDEN, relatedTarget); } _getConfig(config) { config = super._getConfig(config); if (typeof config.reference === 'object' && !index_js.isElement(config.reference) && typeof config.reference.getBoundingClientRect !== 'function') { // Popper virtual elements require a getBoundingClientRect method
throw new TypeError(`${NAME.toUpperCase()}: Option "reference" provided type "object" without a required "getBoundingClientRect" method.`); } return config; } _createPopper() { if (typeof Popper__namespace === 'undefined') { throw new TypeError('Bootstrap\'s dropdowns require Popper (https://popper.js.org)'); } let referenceElement = this._element; if (this._config.reference === 'parent') { referenceElement = this._parent; } else if (index_js.isElement(this._config.reference)) { referenceElement = index_js.getElement(this._config.reference); } else if (typeof this._config.reference === 'object') { referenceElement = this._config.reference; } const popperConfig = this._getPopperConfig(); this._popper = Popper__namespace.createPopper(referenceElement, this._menu, popperConfig); } _isShown() { return this._menu.classList.contains(CLASS_NAME_SHOW); } _getPlacement() { const parentDropdown = this._parent; if (parentDropdown.classList.contains(CLASS_NAME_DROPEND)) { return PLACEMENT_RIGHT; } if (parentDropdown.classList.contains(CLASS_NAME_DROPSTART)) { return PLACEMENT_LEFT; } if (parentDropdown.classList.contains(CLASS_NAME_DROPUP_CENTER)) { return PLACEMENT_TOPCENTER; } if (parentDropdown.classList.contains(CLASS_NAME_DROPDOWN_CENTER)) { return PLACEMENT_BOTTOMCENTER; }
// We need to trim the value because custom properties can also include spaces
const isEnd = getComputedStyle(this._menu).getPropertyValue('--bs-position').trim() === 'end'; if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) { return isEnd ? PLACEMENT_TOPEND : PLACEMENT_TOP; } return isEnd ? PLACEMENT_BOTTOMEND : PLACEMENT_BOTTOM; } _detectNavbar() { return this._element.closest(SELECTOR_NAVBAR) !== null; } _getOffset() { const { offset } = this._config; if (typeof offset === 'string') { return offset.split(',').map(value => Number.parseInt(value, 10)); } if (typeof offset === 'function') { return popperData => offset(popperData, this._element); } return offset; } _getPopperConfig() { const defaultBsPopperConfig = { placement: this._getPlacement(), modifiers: [{ name: 'preventOverflow', options: { boundary: this._config.boundary } }, { name: 'offset', options: { offset: this._getOffset() } }] };
// Disable Popper if we have a static display or Dropdown is in Navbar
if (this._inNavbar || this._config.display === 'static') { Manipulator.setDataAttribute(this._menu, 'popper', 'static'); // TODO: v6 remove
defaultBsPopperConfig.modifiers = [{ name: 'applyStyles', enabled: false }]; } return { ...defaultBsPopperConfig, ...index_js.execute(this._config.popperConfig, [defaultBsPopperConfig]) }; } _selectMenuItem({ key, target }) { const items = SelectorEngine.find(SELECTOR_VISIBLE_ITEMS, this._menu).filter(element => index_js.isVisible(element)); if (!items.length) { return; }
// if target isn't included in items (e.g. when expanding the dropdown)
// allow cycling to get the last item in case key equals ARROW_UP_KEY
index_js.getNextActiveElement(items, target, key === ARROW_DOWN_KEY, !items.includes(target)).focus(); }
// Static
static jQueryInterface(config) { return this.each(function () { const data = Dropdown.getOrCreateInstance(this, config); if (typeof config !== 'string') { return; } if (typeof data[config] === 'undefined') { throw new TypeError(`No method named "${config}"`); } data[config](); }); } static clearMenus(event) { if (event.button === RIGHT_MOUSE_BUTTON || event.type === 'keyup' && event.key !== TAB_KEY) { return; } const openToggles = SelectorEngine.find(SELECTOR_DATA_TOGGLE_SHOWN); for (const toggle of openToggles) { const context = Dropdown.getInstance(toggle); if (!context || context._config.autoClose === false) { continue; } const composedPath = event.composedPath(); const isMenuTarget = composedPath.includes(context._menu); if (composedPath.includes(context._element) || context._config.autoClose === 'inside' && !isMenuTarget || context._config.autoClose === 'outside' && isMenuTarget) { continue; }
// Tab navigation through the dropdown menu or events from contained inputs shouldn't close the menu
if (context._menu.contains(event.target) && (event.type === 'keyup' && event.key === TAB_KEY || /input|select|option|textarea|form/i.test(event.target.tagName))) { continue; } const relatedTarget = { relatedTarget: context._element }; if (event.type === 'click') { relatedTarget.clickEvent = event; } context._completeHide(relatedTarget); } } static dataApiKeydownHandler(event) { // If not an UP | DOWN | ESCAPE key => not a dropdown command
// If input/textarea && if key is other than ESCAPE => not a dropdown command
const isInput = /input|textarea/i.test(event.target.tagName); const isEscapeEvent = event.key === ESCAPE_KEY; const isUpOrDownEvent = [ARROW_UP_KEY, ARROW_DOWN_KEY].includes(event.key); if (!isUpOrDownEvent && !isEscapeEvent) { return; } if (isInput && !isEscapeEvent) { return; } event.preventDefault();
// TODO: v6 revert #37011 & change markup https://getbootstrap.com/docs/5.3/forms/input-group/
const getToggleButton = this.matches(SELECTOR_DATA_TOGGLE) ? this : SelectorEngine.prev(this, SELECTOR_DATA_TOGGLE)[0] || SelectorEngine.next(this, SELECTOR_DATA_TOGGLE)[0] || SelectorEngine.findOne(SELECTOR_DATA_TOGGLE, event.delegateTarget.parentNode); const instance = Dropdown.getOrCreateInstance(getToggleButton); if (isUpOrDownEvent) { event.stopPropagation(); instance.show(); instance._selectMenuItem(event); return; } if (instance._isShown()) { // else is escape and we check if it is shown
event.stopPropagation(); instance.hide(); getToggleButton.focus(); } } }
/** * Data API implementation */
EventHandler.on(document, EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown.dataApiKeydownHandler); EventHandler.on(document, EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown.dataApiKeydownHandler); EventHandler.on(document, EVENT_CLICK_DATA_API, Dropdown.clearMenus); EventHandler.on(document, EVENT_KEYUP_DATA_API, Dropdown.clearMenus); EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) { event.preventDefault(); Dropdown.getOrCreateInstance(this).toggle(); });
/** * jQuery */
index_js.defineJQueryPlugin(Dropdown);
return Dropdown;
})); //# sourceMappingURL=dropdown.js.map
|