mirror of
https://github.com/twbs/bootstrap.git
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298 lines
8.9 KiB
JavaScript
298 lines
8.9 KiB
JavaScript
/*!
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* Bootstrap offcanvas.js v5.2.0-beta1 (https://getbootstrap.com/)
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* Copyright 2011-2022 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('./util/index'), require('./util/scrollbar'), require('./dom/event-handler'), require('./base-component'), require('./dom/selector-engine'), require('./util/backdrop'), require('./util/focustrap'), require('./util/component-functions')) :
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typeof define === 'function' && define.amd ? define(['./util/index', './util/scrollbar', './dom/event-handler', './base-component', './dom/selector-engine', './util/backdrop', './util/focustrap', './util/component-functions'], factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Offcanvas = factory(global.Index, global.Scrollbar, global.EventHandler, global.BaseComponent, global.SelectorEngine, global.Backdrop, global.Focustrap, global.ComponentFunctions));
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})(this, (function (index, ScrollBarHelper, EventHandler, BaseComponent, SelectorEngine, Backdrop, FocusTrap, componentFunctions) { 'use strict';
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const _interopDefaultLegacy = e => e && typeof e === 'object' && 'default' in e ? e : { default: e };
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const ScrollBarHelper__default = /*#__PURE__*/_interopDefaultLegacy(ScrollBarHelper);
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const EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
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const BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
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const SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
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const Backdrop__default = /*#__PURE__*/_interopDefaultLegacy(Backdrop);
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const FocusTrap__default = /*#__PURE__*/_interopDefaultLegacy(FocusTrap);
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v5.2.0-beta1): offcanvas.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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/**
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* Constants
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*/
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const NAME = 'offcanvas';
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const DATA_KEY = 'bs.offcanvas';
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const EVENT_KEY = `.${DATA_KEY}`;
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const DATA_API_KEY = '.data-api';
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const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`;
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const ESCAPE_KEY = 'Escape';
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const CLASS_NAME_SHOW = 'show';
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const CLASS_NAME_SHOWING = 'showing';
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const CLASS_NAME_HIDING = 'hiding';
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const CLASS_NAME_BACKDROP = 'offcanvas-backdrop';
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const OPEN_SELECTOR = '.offcanvas.show';
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const EVENT_SHOW = `show${EVENT_KEY}`;
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const EVENT_SHOWN = `shown${EVENT_KEY}`;
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const EVENT_HIDE = `hide${EVENT_KEY}`;
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const EVENT_HIDE_PREVENTED = `hidePrevented${EVENT_KEY}`;
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const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
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const EVENT_RESIZE = `resize${EVENT_KEY}`;
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const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
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const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`;
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const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="offcanvas"]';
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const Default = {
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backdrop: true,
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keyboard: true,
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scroll: false
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};
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const DefaultType = {
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backdrop: '(boolean|string)',
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keyboard: 'boolean',
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scroll: 'boolean'
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};
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/**
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* Class definition
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*/
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class Offcanvas extends BaseComponent__default.default {
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constructor(element, config) {
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super(element, config);
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this._isShown = false;
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this._backdrop = this._initializeBackDrop();
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this._focustrap = this._initializeFocusTrap();
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this._addEventListeners();
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} // Getters
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static get Default() {
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return Default;
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}
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static get DefaultType() {
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return DefaultType;
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}
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static get NAME() {
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return NAME;
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} // Public
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toggle(relatedTarget) {
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return this._isShown ? this.hide() : this.show(relatedTarget);
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}
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show(relatedTarget) {
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if (this._isShown) {
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return;
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}
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const showEvent = EventHandler__default.default.trigger(this._element, EVENT_SHOW, {
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relatedTarget
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});
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if (showEvent.defaultPrevented) {
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return;
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}
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this._isShown = true;
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this._backdrop.show();
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if (!this._config.scroll) {
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new ScrollBarHelper__default.default().hide();
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}
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this._element.setAttribute('aria-modal', true);
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this._element.setAttribute('role', 'dialog');
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this._element.classList.add(CLASS_NAME_SHOWING);
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const completeCallBack = () => {
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if (!this._config.scroll) {
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this._focustrap.activate();
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}
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this._element.classList.add(CLASS_NAME_SHOW);
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this._element.classList.remove(CLASS_NAME_SHOWING);
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EventHandler__default.default.trigger(this._element, EVENT_SHOWN, {
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relatedTarget
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});
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};
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this._queueCallback(completeCallBack, this._element, true);
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}
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hide() {
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if (!this._isShown) {
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return;
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}
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const hideEvent = EventHandler__default.default.trigger(this._element, EVENT_HIDE);
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if (hideEvent.defaultPrevented) {
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return;
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}
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this._focustrap.deactivate();
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this._element.blur();
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this._isShown = false;
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this._element.classList.add(CLASS_NAME_HIDING);
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this._backdrop.hide();
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const completeCallback = () => {
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this._element.classList.remove(CLASS_NAME_SHOW, CLASS_NAME_HIDING);
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this._element.removeAttribute('aria-modal');
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this._element.removeAttribute('role');
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if (!this._config.scroll) {
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new ScrollBarHelper__default.default().reset();
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}
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EventHandler__default.default.trigger(this._element, EVENT_HIDDEN);
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};
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this._queueCallback(completeCallback, this._element, true);
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}
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dispose() {
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this._backdrop.dispose();
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this._focustrap.deactivate();
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super.dispose();
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} // Private
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_initializeBackDrop() {
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const clickCallback = () => {
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if (this._config.backdrop === 'static') {
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EventHandler__default.default.trigger(this._element, EVENT_HIDE_PREVENTED);
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return;
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}
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this.hide();
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}; // 'static' option will be translated to true, and booleans will keep their value
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const isVisible = Boolean(this._config.backdrop);
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return new Backdrop__default.default({
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className: CLASS_NAME_BACKDROP,
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isVisible,
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isAnimated: true,
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rootElement: this._element.parentNode,
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clickCallback: isVisible ? clickCallback : null
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});
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}
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_initializeFocusTrap() {
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return new FocusTrap__default.default({
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trapElement: this._element
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});
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}
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_addEventListeners() {
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EventHandler__default.default.on(this._element, EVENT_KEYDOWN_DISMISS, event => {
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if (event.key !== ESCAPE_KEY) {
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return;
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}
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if (!this._config.keyboard) {
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EventHandler__default.default.trigger(this._element, EVENT_HIDE_PREVENTED);
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return;
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}
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this.hide();
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});
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} // Static
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static jQueryInterface(config) {
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return this.each(function () {
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const data = Offcanvas.getOrCreateInstance(this, config);
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if (typeof config !== 'string') {
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return;
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}
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if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
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throw new TypeError(`No method named "${config}"`);
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}
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data[config](this);
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});
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}
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}
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/**
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* Data API implementation
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*/
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EventHandler__default.default.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
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const target = index.getElementFromSelector(this);
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if (['A', 'AREA'].includes(this.tagName)) {
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event.preventDefault();
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}
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if (index.isDisabled(this)) {
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return;
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}
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EventHandler__default.default.one(target, EVENT_HIDDEN, () => {
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// focus on trigger when it is closed
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if (index.isVisible(this)) {
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this.focus();
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}
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}); // avoid conflict when clicking a toggler of an offcanvas, while another is open
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const alreadyOpen = SelectorEngine__default.default.findOne(OPEN_SELECTOR);
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if (alreadyOpen && alreadyOpen !== target) {
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Offcanvas.getInstance(alreadyOpen).hide();
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}
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const data = Offcanvas.getOrCreateInstance(target);
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data.toggle(this);
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});
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EventHandler__default.default.on(window, EVENT_LOAD_DATA_API, () => {
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for (const selector of SelectorEngine__default.default.find(OPEN_SELECTOR)) {
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Offcanvas.getOrCreateInstance(selector).show();
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}
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});
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EventHandler__default.default.on(window, EVENT_RESIZE, () => {
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for (const element of SelectorEngine__default.default.find('[aria-modal][class*=show][class*=offcanvas-]')) {
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if (getComputedStyle(element).position !== 'fixed') {
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Offcanvas.getOrCreateInstance(element).hide();
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}
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}
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});
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componentFunctions.enableDismissTrigger(Offcanvas);
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/**
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* jQuery
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*/
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index.defineJQueryPlugin(Offcanvas);
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return Offcanvas;
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}));
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//# sourceMappingURL=offcanvas.js.map
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