256 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			256 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| import { E as EventHandler, S as SelectorEngine, f as isDisabled, i as isVisible, e as enableDismissTrigger, d as defineJQueryPlugin, B as BaseComponent, k as ScrollBarHelper, l as Backdrop, F as FocusTrap } from './dom.js?5.3.3';
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| 
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| /**
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|  * --------------------------------------------------------------------------
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|  * Bootstrap 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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| /**
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|  * Constants
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|  */
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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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| /**
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|  * Class definition
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|  */
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| 
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| class Offcanvas extends BaseComponent {
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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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|   }
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| 
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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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|   }
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| 
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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.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().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 || this._config.backdrop) {
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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.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.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().reset();
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|       }
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|       EventHandler.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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|   }
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| 
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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.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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| 
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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({
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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({
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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.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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|         this.hide();
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|         return;
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|       }
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|       EventHandler.trigger(this._element, EVENT_HIDE_PREVENTED);
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|     });
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|   }
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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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| /**
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|  * Data API implementation
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|  */
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| 
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| EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
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|   const target = SelectorEngine.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 (isDisabled(this)) {
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|     return;
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|   }
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|   EventHandler.one(target, EVENT_HIDDEN, () => {
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|     // focus on trigger when it is closed
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|     if (isVisible(this)) {
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|       this.focus();
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|     }
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|   });
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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.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.on(window, EVENT_LOAD_DATA_API, () => {
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|   for (const selector of SelectorEngine.find(OPEN_SELECTOR)) {
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|     Offcanvas.getOrCreateInstance(selector).show();
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|   }
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| });
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| EventHandler.on(window, EVENT_RESIZE, () => {
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|   for (const element of SelectorEngine.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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| enableDismissTrigger(Offcanvas);
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| 
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| /**
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|  * jQuery
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|  */
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| 
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| defineJQueryPlugin(Offcanvas);
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| 
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| window.bootstrap = window.bootstrap || {};
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| window.bootstrap.Offcanvas = Offcanvas;
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| if (Joomla && Joomla.getOptions) {
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|   // Get the elements/configurations from the PHP
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|   const offcanvases = Joomla.getOptions('bootstrap.offcanvas');
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|   // Initialise the elements
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|   if (typeof offcanvases === 'object' && offcanvases !== null) {
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|     Object.keys(offcanvases).forEach(offcanvas => {
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|       const opt = offcanvases[offcanvas];
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|       const options = {
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|         backdrop: opt.backdrop ? opt.backdrop : true,
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|         keyboard: opt.keyboard ? opt.keyboard : true,
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|         scroll: opt.scroll ? opt.scroll : true
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|       };
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|       const elements = Array.from(document.querySelectorAll(offcanvas));
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|       if (elements.length) {
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|         elements.map(el => new window.bootstrap.Offcanvas(el, options));
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|       }
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|     });
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|   }
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| }
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| 
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| export { Offcanvas as O };
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