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- (function (global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@popperjs/core'), require('./dom/selector-engine.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./base-component.js')) :
- typeof define === 'function' && define.amd ? define(['@popperjs/core', './dom/selector-engine', './dom/event-handler', './dom/manipulator', './base-component'], factory) :
- (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global.Popper, global.SelectorEngine, global.EventHandler, global.Manipulator, global.Base));
- }(this, (function (Popper, SelectorEngine, EventHandler, Manipulator, BaseComponent) { 'use strict';
- function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
- function _interopNamespace(e) {
- if (e && e.__esModule) return e;
- var n = Object.create(null);
- if (e) {
- Object.keys(e).forEach(function (k) {
- if (k !== 'default') {
- var d = Object.getOwnPropertyDescriptor(e, k);
- Object.defineProperty(n, k, d.get ? d : {
- enumerable: true,
- get: function () {
- return e[k];
- }
- });
- }
- });
- }
- n['default'] = e;
- return Object.freeze(n);
- }
- var Popper__namespace = _interopNamespace(Popper);
- var SelectorEngine__default = _interopDefaultLegacy(SelectorEngine);
- var EventHandler__default = _interopDefaultLegacy(EventHandler);
- var Manipulator__default = _interopDefaultLegacy(Manipulator);
- var BaseComponent__default = _interopDefaultLegacy(BaseComponent);
- const toType = obj => {
- if (obj === null || obj === undefined) {
- return `${obj}`;
- }
- return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
- };
- const getSelector = element => {
- let selector = element.getAttribute('data-bs-target');
- if (!selector || selector === '#') {
- let hrefAttr = element.getAttribute('href');
-
-
-
- if (!hrefAttr || !hrefAttr.includes('#') && !hrefAttr.startsWith('.')) {
- return null;
- }
- if (hrefAttr.includes('#') && !hrefAttr.startsWith('#')) {
- hrefAttr = `#${hrefAttr.split('#')[1]}`;
- }
- selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null;
- }
- return selector;
- };
- const getElementFromSelector = element => {
- const selector = getSelector(element);
- return selector ? document.querySelector(selector) : null;
- };
- const isElement = obj => {
- if (!obj || typeof obj !== 'object') {
- return false;
- }
- if (typeof obj.jquery !== 'undefined') {
- obj = obj[0];
- }
- return typeof obj.nodeType !== 'undefined';
- };
- const getElement = obj => {
- if (isElement(obj)) {
-
- return obj.jquery ? obj[0] : obj;
- }
- if (typeof obj === 'string' && obj.length > 0) {
- return SelectorEngine__default['default'].findOne(obj);
- }
- return null;
- };
- const typeCheckConfig = (componentName, config, configTypes) => {
- Object.keys(configTypes).forEach(property => {
- const expectedTypes = configTypes[property];
- const value = config[property];
- const valueType = value && isElement(value) ? 'element' : toType(value);
- if (!new RegExp(expectedTypes).test(valueType)) {
- throw new TypeError(`${componentName.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".`);
- }
- });
- };
- const isVisible = element => {
- if (!isElement(element) || element.getClientRects().length === 0) {
- return false;
- }
- return getComputedStyle(element).getPropertyValue('visibility') === 'visible';
- };
- const isDisabled = element => {
- if (!element || element.nodeType !== Node.ELEMENT_NODE) {
- return true;
- }
- if (element.classList.contains('disabled')) {
- return true;
- }
- if (typeof element.disabled !== 'undefined') {
- return element.disabled;
- }
- return element.hasAttribute('disabled') && element.getAttribute('disabled') !== 'false';
- };
- const noop = () => {};
- const getjQuery = () => {
- const {
- jQuery
- } = window;
- if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
- return jQuery;
- }
- return null;
- };
- const DOMContentLoadedCallbacks = [];
- const onDOMContentLoaded = callback => {
- if (document.readyState === 'loading') {
-
- if (!DOMContentLoadedCallbacks.length) {
- document.addEventListener('DOMContentLoaded', () => {
- DOMContentLoadedCallbacks.forEach(callback => callback());
- });
- }
- DOMContentLoadedCallbacks.push(callback);
- } else {
- callback();
- }
- };
- const isRTL = () => document.documentElement.dir === 'rtl';
- const defineJQueryPlugin = plugin => {
- onDOMContentLoaded(() => {
- const $ = getjQuery();
-
- if ($) {
- const name = plugin.NAME;
- const JQUERY_NO_CONFLICT = $.fn[name];
- $.fn[name] = plugin.jQueryInterface;
- $.fn[name].Constructor = plugin;
- $.fn[name].noConflict = () => {
- $.fn[name] = JQUERY_NO_CONFLICT;
- return plugin.jQueryInterface;
- };
- }
- });
- };
-
- const getNextActiveElement = (list, activeElement, shouldGetNext, isCycleAllowed) => {
- let index = list.indexOf(activeElement);
- if (index === -1) {
- return list[!shouldGetNext && isCycleAllowed ? list.length - 1 : 0];
- }
- const listLength = list.length;
- index += shouldGetNext ? 1 : -1;
- if (isCycleAllowed) {
- index = (index + listLength) % listLength;
- }
- return list[Math.max(0, Math.min(index, listLength - 1))];
- };
-
-
- const NAME = 'dropdown';
- const DATA_KEY = 'bs.dropdown';
- const EVENT_KEY = `.${DATA_KEY}`;
- const DATA_API_KEY = '.data-api';
- const ESCAPE_KEY = 'Escape';
- const SPACE_KEY = 'Space';
- const TAB_KEY = 'Tab';
- const ARROW_UP_KEY = 'ArrowUp';
- const ARROW_DOWN_KEY = 'ArrowDown';
- const RIGHT_MOUSE_BUTTON = 2;
- const REGEXP_KEYDOWN = new RegExp(`${ARROW_UP_KEY}|${ARROW_DOWN_KEY}|${ESCAPE_KEY}`);
- const EVENT_HIDE = `hide${EVENT_KEY}`;
- const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
- const EVENT_SHOW = `show${EVENT_KEY}`;
- const EVENT_SHOWN = `shown${EVENT_KEY}`;
- const EVENT_CLICK = `click${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_NAVBAR = 'navbar';
- const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="dropdown"]';
- const SELECTOR_MENU = '.dropdown-menu';
- const SELECTOR_NAVBAR_NAV = '.navbar-nav';
- const SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)';
- const PLACEMENT_TOP = isRTL() ? 'top-end' : 'top-start';
- const PLACEMENT_TOPEND = isRTL() ? 'top-start' : 'top-end';
- const PLACEMENT_BOTTOM = isRTL() ? 'bottom-end' : 'bottom-start';
- const PLACEMENT_BOTTOMEND = isRTL() ? 'bottom-start' : 'bottom-end';
- const PLACEMENT_RIGHT = isRTL() ? 'left-start' : 'right-start';
- const PLACEMENT_LEFT = isRTL() ? 'right-start' : 'left-start';
- const Default = {
- offset: [0, 2],
- boundary: 'clippingParents',
- reference: 'toggle',
- display: 'dynamic',
- popperConfig: null,
- autoClose: true
- };
- const DefaultType = {
- offset: '(array|string|function)',
- boundary: '(string|element)',
- reference: '(string|element|object)',
- display: 'string',
- popperConfig: '(null|object|function)',
- autoClose: '(boolean|string)'
- };
-
- class Dropdown extends BaseComponent__default['default'] {
- constructor(element, config) {
- super(element);
- this._popper = null;
- this._config = this._getConfig(config);
- this._menu = this._getMenuElement();
- this._inNavbar = this._detectNavbar();
- this._addEventListeners();
- }
- static get Default() {
- return Default;
- }
- static get DefaultType() {
- return DefaultType;
- }
- static get NAME() {
- return NAME;
- }
- toggle() {
- if (isDisabled(this._element)) {
- return;
- }
- const isActive = this._element.classList.contains(CLASS_NAME_SHOW);
- if (isActive) {
- this.hide();
- return;
- }
- this.show();
- }
- show() {
- if (isDisabled(this._element) || this._menu.classList.contains(CLASS_NAME_SHOW)) {
- return;
- }
- const parent = Dropdown.getParentFromElement(this._element);
- const relatedTarget = {
- relatedTarget: this._element
- };
- const showEvent = EventHandler__default['default'].trigger(this._element, EVENT_SHOW, relatedTarget);
- if (showEvent.defaultPrevented) {
- return;
- }
- if (this._inNavbar) {
- Manipulator__default['default'].setDataAttribute(this._menu, 'popper', 'none');
- } else {
- 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 = parent;
- } else if (isElement(this._config.reference)) {
- referenceElement = getElement(this._config.reference);
- } else if (typeof this._config.reference === 'object') {
- referenceElement = this._config.reference;
- }
- const popperConfig = this._getPopperConfig();
- const isDisplayStatic = popperConfig.modifiers.find(modifier => modifier.name === 'applyStyles' && modifier.enabled === false);
- this._popper = Popper__namespace.createPopper(referenceElement, this._menu, popperConfig);
- if (isDisplayStatic) {
- Manipulator__default['default'].setDataAttribute(this._menu, 'popper', 'static');
- }
- }
-
-
-
- if ('ontouchstart' in document.documentElement && !parent.closest(SELECTOR_NAVBAR_NAV)) {
- [].concat(...document.body.children).forEach(elem => EventHandler__default['default'].on(elem, 'mouseover', noop));
- }
- this._element.focus();
- this._element.setAttribute('aria-expanded', true);
- this._menu.classList.toggle(CLASS_NAME_SHOW);
- this._element.classList.toggle(CLASS_NAME_SHOW);
- EventHandler__default['default'].trigger(this._element, EVENT_SHOWN, relatedTarget);
- }
- hide() {
- if (isDisabled(this._element) || !this._menu.classList.contains(CLASS_NAME_SHOW)) {
- 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();
- }
- }
- _addEventListeners() {
- EventHandler__default['default'].on(this._element, EVENT_CLICK, event => {
- event.preventDefault();
- this.toggle();
- });
- }
- _completeHide(relatedTarget) {
- const hideEvent = EventHandler__default['default'].trigger(this._element, EVENT_HIDE, relatedTarget);
- if (hideEvent.defaultPrevented) {
- return;
- }
-
- if ('ontouchstart' in document.documentElement) {
- [].concat(...document.body.children).forEach(elem => EventHandler__default['default'].off(elem, 'mouseover', 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__default['default'].removeDataAttribute(this._menu, 'popper');
- EventHandler__default['default'].trigger(this._element, EVENT_HIDDEN, relatedTarget);
- }
- _getConfig(config) {
- config = { ...this.constructor.Default,
- ...Manipulator__default['default'].getDataAttributes(this._element),
- ...config
- };
- typeCheckConfig(NAME, config, this.constructor.DefaultType);
- if (typeof config.reference === 'object' && !isElement(config.reference) && typeof config.reference.getBoundingClientRect !== 'function') {
-
- throw new TypeError(`${NAME.toUpperCase()}: Option "reference" provided type "object" without a required "getBoundingClientRect" method.`);
- }
- return config;
- }
- _getMenuElement() {
- return SelectorEngine__default['default'].next(this._element, SELECTOR_MENU)[0];
- }
- _getPlacement() {
- const parentDropdown = this._element.parentNode;
- if (parentDropdown.classList.contains(CLASS_NAME_DROPEND)) {
- return PLACEMENT_RIGHT;
- }
- if (parentDropdown.classList.contains(CLASS_NAME_DROPSTART)) {
- return PLACEMENT_LEFT;
- }
- const isEnd = getComputedStyle(this._menu).getPropertyValue('--bs-position').trim() === 'end';
- if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) {
- return isEnd ? PLACEMENT_TOPEND : PLACEMENT_TOP;
- }
- return isEnd ? PLACEMENT_BOTTOMEND : PLACEMENT_BOTTOM;
- }
- _detectNavbar() {
- return this._element.closest(`.${CLASS_NAME_NAVBAR}`) !== null;
- }
- _getOffset() {
- const {
- offset
- } = this._config;
- if (typeof offset === 'string') {
- return offset.split(',').map(val => Number.parseInt(val, 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()
- }
- }]
- };
- if (this._config.display === 'static') {
- defaultBsPopperConfig.modifiers = [{
- name: 'applyStyles',
- enabled: false
- }];
- }
- return { ...defaultBsPopperConfig,
- ...(typeof this._config.popperConfig === 'function' ? this._config.popperConfig(defaultBsPopperConfig) : this._config.popperConfig)
- };
- }
- _selectMenuItem({
- key,
- target
- }) {
- const items = SelectorEngine__default['default'].find(SELECTOR_VISIBLE_ITEMS, this._menu).filter(isVisible);
- if (!items.length) {
- return;
- }
-
- getNextActiveElement(items, target, key === ARROW_DOWN_KEY, !items.includes(target)).focus();
- }
- static dropdownInterface(element, config) {
- const data = Dropdown.getOrCreateInstance(element, config);
- if (typeof config === 'string') {
- if (typeof data[config] === 'undefined') {
- throw new TypeError(`No method named "${config}"`);
- }
- data[config]();
- }
- }
- static jQueryInterface(config) {
- return this.each(function () {
- Dropdown.dropdownInterface(this, config);
- });
- }
- static clearMenus(event) {
- if (event && (event.button === RIGHT_MOUSE_BUTTON || event.type === 'keyup' && event.key !== TAB_KEY)) {
- return;
- }
- const toggles = SelectorEngine__default['default'].find(SELECTOR_DATA_TOGGLE);
- for (let i = 0, len = toggles.length; i < len; i++) {
- const context = Dropdown.getInstance(toggles[i]);
- if (!context || context._config.autoClose === false) {
- continue;
- }
- if (!context._element.classList.contains(CLASS_NAME_SHOW)) {
- continue;
- }
- const relatedTarget = {
- relatedTarget: context._element
- };
- if (event) {
- 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;
- }
- if (context._menu.contains(event.target) && (event.type === 'keyup' && event.key === TAB_KEY || /input|select|option|textarea|form/i.test(event.target.tagName))) {
- continue;
- }
- if (event.type === 'click') {
- relatedTarget.clickEvent = event;
- }
- }
- context._completeHide(relatedTarget);
- }
- }
- static getParentFromElement(element) {
- return getElementFromSelector(element) || element.parentNode;
- }
- static dataApiKeydownHandler(event) {
-
-
-
-
-
-
-
- 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;
- }
- const isActive = this.classList.contains(CLASS_NAME_SHOW);
- if (!isActive && event.key === ESCAPE_KEY) {
- return;
- }
- event.preventDefault();
- event.stopPropagation();
- if (isDisabled(this)) {
- return;
- }
- const getToggleButton = () => this.matches(SELECTOR_DATA_TOGGLE) ? this : SelectorEngine__default['default'].prev(this, SELECTOR_DATA_TOGGLE)[0];
- if (event.key === ESCAPE_KEY) {
- getToggleButton().focus();
- Dropdown.clearMenus();
- return;
- }
- if (event.key === ARROW_UP_KEY || event.key === ARROW_DOWN_KEY) {
- if (!isActive) {
- getToggleButton().click();
- }
- Dropdown.getInstance(getToggleButton())._selectMenuItem(event);
- return;
- }
- if (!isActive || event.key === SPACE_KEY) {
- Dropdown.clearMenus();
- }
- }
- }
-
- 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();
- Dropdown.dropdownInterface(this);
- });
-
- defineJQueryPlugin(Dropdown);
- return Dropdown;
- })));
|