370 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			370 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
/**
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 * --------------------------------------------------------------------------
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 * Bootstrap (v5.1.3): collapse.js and base-component.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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define([
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    "jquery",
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    "./util/index",
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    "./dom/data",
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    "./dom/event-handler",
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    "./dom/manipulator",
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    "./dom/selector-engine"
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], function($, Util, Data, EventHandler, Manipulator, SelectorEngine) {
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    'use strict';
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    const defineJQueryPlugin = Util.defineJQueryPlugin;
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    const executeAfterTransition = Util.executeAfterTransition;
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    const getElement = Util.getElement;
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    const getSelectorFromElement = Util.getSelectorFromElement;
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    const getElementFromSelector = Util.getElementFromSelector;
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    const reflow = Util.reflow;
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    const typeCheckConfig = Util.typeCheckConfig;
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    /**
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     * ------------------------------------------------------------------------
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     * Constants
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     * ------------------------------------------------------------------------
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     */
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    const VERSION = '5.1.3';
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    const NAME = 'collapse';
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    const DATA_KEY = 'bs.collapse';
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    const EVENT_KEY = `.${DATA_KEY}`;
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    const DATA_API_KEY = '.data-api';
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    const Default = {
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        toggle: true,
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        parent: null
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    };
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    const DefaultType = {
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        toggle: 'boolean',
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        parent: '(null|element)'
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    };
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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${EVENT_KEY}`;
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    const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
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    const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
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    const CLASS_NAME_SHOW = 'show';
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    const CLASS_NAME_COLLAPSE = 'collapse';
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    const CLASS_NAME_COLLAPSING = 'collapsing';
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    const CLASS_NAME_COLLAPSED = 'collapsed';
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    const CLASS_NAME_DEEPER_CHILDREN = `:scope .${CLASS_NAME_COLLAPSE} .${CLASS_NAME_COLLAPSE}`;
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    const CLASS_NAME_HORIZONTAL = 'collapse-horizontal';
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    const WIDTH = 'width';
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    const HEIGHT = 'height';
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    const SELECTOR_ACTIVES = '.collapse.show, .collapse.collapsing';
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    const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="collapse"]';
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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 Collapse = function(element, config) {
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        element = getElement(element);
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        if (!element) {
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            return;
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        }
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        this._element = element;
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        Data.set(this._element, DATA_KEY, this);
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        this._isTransitioning = false;
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        this._config = this._getConfig(config);
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        this._triggerArray = [];
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        const toggleList = SelectorEngine.find(SELECTOR_DATA_TOGGLE);
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        for (let i = 0, len = toggleList.length; i < len; i++) {
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            const elem = toggleList[i];
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            const selector = getSelectorFromElement(elem);
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            const filterElement = SelectorEngine.find(selector)
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                .filter(foundElem => foundElem === this._element);
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            if (selector !== null && filterElement.length) {
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                this._selector = selector;
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                this._triggerArray.push(elem);
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            }
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        }
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        this._initializeChildren();
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        if (!this._config.parent) {
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            this._addAriaAndCollapsedClass(this._triggerArray, this._isShown());
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        }
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        if (this._config.toggle) {
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            this.toggle();
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        }
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    }
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    // Getters
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    Collapse.VERSION = VERSION;
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    Collapse.Default = Default;
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    Collapse.NAME = NAME;
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    Collapse.DATA_KEY = 'bs.' + Collapse.NAME;
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    Collapse.EVENT_KEY = '.' + Collapse.DATA_KEY;
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    // Public
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    Collapse.prototype.dispose = function() {
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        Data.remove(this._element, this.constructor.DATA_KEY);
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        EventHandler.off(this._element, this.constructor.EVENT_KEY);
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        Object.getOwnPropertyNames(this).forEach(propertyName => {
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            this[propertyName] = null;
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        })
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    }
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    Collapse.prototype._queueCallback = function(callback, element, isAnimated = true) {
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        executeAfterTransition(callback, element, isAnimated);
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    }
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    Collapse.prototype.toggle = function() {
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        if (this._isShown()) {
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            this.hide();
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        } else {
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            this.show();
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        }
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    }
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    Collapse.prototype.show = function() {
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        if (this._isTransitioning || this._isShown()) {
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            return;
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        }
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        let actives = [];
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        let activesData;
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        if (this._config.parent) {
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            const children = SelectorEngine.find(CLASS_NAME_DEEPER_CHILDREN, this._config.parent);
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            actives = SelectorEngine.find(SELECTOR_ACTIVES, this._config.parent).filter(elem => !children.includes(elem)); // remove children if greater depth
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        }
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        const container = SelectorEngine.findOne(this._selector);
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        if (actives.length) {
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            const tempActiveData = actives.find(elem => container !== elem);
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            activesData = tempActiveData ? Collapse.getInstance(tempActiveData) : null;
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            if (activesData && activesData._isTransitioning) {
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                return;
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            }
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        }
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        const startEvent = EventHandler.trigger(this._element, EVENT_SHOW);
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        if (startEvent.defaultPrevented) {
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            return;
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        }
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        actives.forEach(elemActive => {
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            if (container !== elemActive) {
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                Collapse.getOrCreateInstance(elemActive, {toggle: false}).hide();
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            }
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            if (!activesData) {
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                Data.set(elemActive, DATA_KEY, null);
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            }
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        })
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        const dimension = this._getDimension();
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        this._element.classList.remove(CLASS_NAME_COLLAPSE);
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        this._element.classList.add(CLASS_NAME_COLLAPSING);
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        this._element.style[dimension] = 0;
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        this._addAriaAndCollapsedClass(this._triggerArray, true);
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        this._isTransitioning = true;
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        const complete = () => {
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            this._isTransitioning = false;
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            this._element.classList.remove(CLASS_NAME_COLLAPSING);
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            this._element.classList.add(CLASS_NAME_COLLAPSE, CLASS_NAME_SHOW);
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            this._element.style[dimension] = '';
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            EventHandler.trigger(this._element, EVENT_SHOWN);
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        };
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        const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
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        const scrollSize = `scroll${capitalizedDimension}`;
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        this._queueCallback(complete, this._element, true);
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        this._element.style[dimension] = `${this._element[scrollSize]}px`;
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    }
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    Collapse.prototype.hide = function() {
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        if (this._isTransitioning || !this._isShown()) {
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            return;
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        }
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        const startEvent = EventHandler.trigger(this._element, EVENT_HIDE);
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        if (startEvent.defaultPrevented) {
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            return;
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        }
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        const dimension = this._getDimension();
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        this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`;
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        reflow(this._element);
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        this._element.classList.add(CLASS_NAME_COLLAPSING);
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        this._element.classList.remove(CLASS_NAME_COLLAPSE, CLASS_NAME_SHOW);
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        const triggerArrayLength = this._triggerArray.length;
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        for (let i = 0; i < triggerArrayLength; i++) {
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            const trigger = this._triggerArray[i];
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            const elem = getElementFromSelector(trigger);
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            if (elem && !this._isShown(elem)) {
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                this._addAriaAndCollapsedClass([trigger], false);
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            }
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        }
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        this._isTransitioning = true;
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        const complete = () => {
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            this._isTransitioning = false;
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            this._element.classList.remove(CLASS_NAME_COLLAPSING);
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            this._element.classList.add(CLASS_NAME_COLLAPSE);
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            EventHandler.trigger(this._element, EVENT_HIDDEN);
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        };
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        this._element.style[dimension] = '';
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        this._queueCallback(complete, this._element, true);
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    }
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    Collapse.prototype._isShown = function(element = this._element) {
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        return element.classList.contains(CLASS_NAME_SHOW);
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    }
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    // Private
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    Collapse.prototype._getConfig = function(config) {
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        config = {
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            ...Default,
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            ...Manipulator.getDataAttributes(this._element),
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            ...config
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        };
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        config.toggle = Boolean(config.toggle); // Coerce string values
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        config.parent = getElement(config.parent);
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        typeCheckConfig(NAME, config, DefaultType);
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        return config;
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    }
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    Collapse.prototype._getDimension = function() {
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        return this._element.classList.contains(CLASS_NAME_HORIZONTAL) ? WIDTH : HEIGHT;
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    }
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    Collapse.prototype._initializeChildren = function() {
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        if (!this._config.parent) {
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            return;
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        }
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        const children = SelectorEngine.find(CLASS_NAME_DEEPER_CHILDREN, this._config.parent);
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        SelectorEngine.find(SELECTOR_DATA_TOGGLE, this._config.parent).filter(elem => !children.includes(elem))
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            .forEach(element => {
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                const selected = getElementFromSelector(element);
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                if (selected) {
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                    this._addAriaAndCollapsedClass([element], this._isShown(selected));
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                }
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            })
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    }
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    Collapse.prototype._addAriaAndCollapsedClass = function(triggerArray, isOpen) {
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        if (!triggerArray.length) {
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            return;
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        }
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        triggerArray.forEach(elem => {
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            if (isOpen) {
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                elem.classList.remove(CLASS_NAME_COLLAPSED);
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            } else {
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                elem.classList.add(CLASS_NAME_COLLAPSED);
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            }
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            elem.setAttribute('aria-expanded', isOpen);
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        })
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    }
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    // Static
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    Collapse.getInstance = function(element) {
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        return Data.get(getElement(element), this.DATA_KEY);
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    }
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    Collapse.getOrCreateInstance = function(element, config = {}) {
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        return this.getInstance(element) || new this(element, typeof config === 'object' ? config : null);
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    }
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    Collapse.jQueryInterface = function(config) {
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        return this.each(function () {
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            const _config = {};
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            if (typeof config === 'string' && /show|hide/.test(config)) {
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                _config.toggle = false;
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            }
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            const data = Collapse.getOrCreateInstance(this, _config);
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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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    }
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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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        // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
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        if (event.target.tagName === 'A' || (event.delegateTarget && event.delegateTarget.tagName === 'A')) {
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            event.preventDefault();
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        }
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        const selector = getSelectorFromElement(this);
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        const selectorElements = SelectorEngine.find(selector);
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        selectorElements.forEach(element => {
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            Collapse.getOrCreateInstance(element, {toggle: false}).toggle();
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        })
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    })
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    /**
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     * ------------------------------------------------------------------------
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     * jQuery
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     * ------------------------------------------------------------------------
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     * add .Collapse to jQuery only if jQuery is present
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     */
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    defineJQueryPlugin(Collapse);
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    return Collapse;
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});
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