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391
assets/bootstrap-4.5.2/js/src/collapse.js
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391
assets/bootstrap-4.5.2/js/src/collapse.js
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.5.2): collapse.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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import $ from 'jquery'
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import Util from './util'
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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 = 'collapse'
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const VERSION = '4.5.2'
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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 JQUERY_NO_CONFLICT = $.fn[NAME]
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const Default = {
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toggle : true,
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parent : ''
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}
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const DefaultType = {
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toggle : 'boolean',
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parent : '(string|element)'
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}
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const EVENT_SHOW = `show${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}${DATA_API_KEY}`
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const CLASS_NAME_SHOW = 'show'
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const CLASS_NAME_COLLAPSE = 'collapse'
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const CLASS_NAME_COLLAPSING = 'collapsing'
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const CLASS_NAME_COLLAPSED = 'collapsed'
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const DIMENSION_WIDTH = 'width'
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const DIMENSION_HEIGHT = 'height'
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const SELECTOR_ACTIVES = '.show, .collapsing'
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const SELECTOR_DATA_TOGGLE = '[data-toggle="collapse"]'
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/**
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* ------------------------------------------------------------------------
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* Class Definition
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* ------------------------------------------------------------------------
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*/
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class Collapse {
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constructor(element, config) {
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this._isTransitioning = false
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this._element = element
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this._config = this._getConfig(config)
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this._triggerArray = [].slice.call(document.querySelectorAll(
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`[data-toggle="collapse"][href="#${element.id}"],` +
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`[data-toggle="collapse"][data-target="#${element.id}"]`
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))
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const toggleList = [].slice.call(document.querySelectorAll(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 = Util.getSelectorFromElement(elem)
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const filterElement = [].slice.call(document.querySelectorAll(selector))
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.filter((foundElem) => foundElem === element)
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if (selector !== null && filterElement.length > 0) {
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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._parent = this._config.parent ? this._getParent() : null
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if (!this._config.parent) {
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this._addAriaAndCollapsedClass(this._element, this._triggerArray)
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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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static get VERSION() {
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return VERSION
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}
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static get Default() {
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return Default
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}
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// Public
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toggle() {
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if ($(this._element).hasClass(CLASS_NAME_SHOW)) {
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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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show() {
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if (this._isTransitioning ||
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$(this._element).hasClass(CLASS_NAME_SHOW)) {
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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._parent) {
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actives = [].slice.call(this._parent.querySelectorAll(SELECTOR_ACTIVES))
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.filter((elem) => {
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if (typeof this._config.parent === 'string') {
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return elem.getAttribute('data-parent') === this._config.parent
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}
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return elem.classList.contains(CLASS_NAME_COLLAPSE)
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})
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if (actives.length === 0) {
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actives = null
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}
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}
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if (actives) {
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activesData = $(actives).not(this._selector).data(DATA_KEY)
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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 = $.Event(EVENT_SHOW)
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$(this._element).trigger(startEvent)
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if (startEvent.isDefaultPrevented()) {
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return
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}
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if (actives) {
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Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide')
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if (!activesData) {
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$(actives).data(DATA_KEY, null)
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}
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}
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const dimension = this._getDimension()
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$(this._element)
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.removeClass(CLASS_NAME_COLLAPSE)
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.addClass(CLASS_NAME_COLLAPSING)
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this._element.style[dimension] = 0
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if (this._triggerArray.length) {
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$(this._triggerArray)
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.removeClass(CLASS_NAME_COLLAPSED)
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.attr('aria-expanded', true)
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}
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this.setTransitioning(true)
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const complete = () => {
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$(this._element)
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.removeClass(CLASS_NAME_COLLAPSING)
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.addClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)
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this._element.style[dimension] = ''
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this.setTransitioning(false)
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$(this._element).trigger(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${capitalizedDimension}`
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const transitionDuration = Util.getTransitionDurationFromElement(this._element)
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$(this._element)
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.one(Util.TRANSITION_END, complete)
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.emulateTransitionEnd(transitionDuration)
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this._element.style[dimension] = `${this._element[scrollSize]}px`
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}
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hide() {
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if (this._isTransitioning ||
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!$(this._element).hasClass(CLASS_NAME_SHOW)) {
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return
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}
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const startEvent = $.Event(EVENT_HIDE)
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$(this._element).trigger(startEvent)
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if (startEvent.isDefaultPrevented()) {
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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] = `${this._element.getBoundingClientRect()[dimension]}px`
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Util.reflow(this._element)
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$(this._element)
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.addClass(CLASS_NAME_COLLAPSING)
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.removeClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)
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const triggerArrayLength = this._triggerArray.length
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if (triggerArrayLength > 0) {
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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 selector = Util.getSelectorFromElement(trigger)
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if (selector !== null) {
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const $elem = $([].slice.call(document.querySelectorAll(selector)))
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if (!$elem.hasClass(CLASS_NAME_SHOW)) {
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$(trigger).addClass(CLASS_NAME_COLLAPSED)
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.attr('aria-expanded', false)
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}
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}
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}
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}
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this.setTransitioning(true)
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const complete = () => {
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this.setTransitioning(false)
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$(this._element)
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.removeClass(CLASS_NAME_COLLAPSING)
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.addClass(CLASS_NAME_COLLAPSE)
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.trigger(EVENT_HIDDEN)
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}
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this._element.style[dimension] = ''
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const transitionDuration = Util.getTransitionDurationFromElement(this._element)
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$(this._element)
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.one(Util.TRANSITION_END, complete)
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.emulateTransitionEnd(transitionDuration)
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}
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setTransitioning(isTransitioning) {
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this._isTransitioning = isTransitioning
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}
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dispose() {
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$.removeData(this._element, DATA_KEY)
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this._config = null
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this._parent = null
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this._element = null
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this._triggerArray = null
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this._isTransitioning = null
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}
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// Private
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_getConfig(config) {
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config = {
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...Default,
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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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Util.typeCheckConfig(NAME, config, DefaultType)
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return config
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}
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_getDimension() {
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const hasWidth = $(this._element).hasClass(DIMENSION_WIDTH)
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return hasWidth ? DIMENSION_WIDTH : DIMENSION_HEIGHT
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}
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_getParent() {
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let parent
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if (Util.isElement(this._config.parent)) {
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parent = this._config.parent
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// It's a jQuery object
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if (typeof this._config.parent.jquery !== 'undefined') {
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parent = this._config.parent[0]
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}
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} else {
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parent = document.querySelector(this._config.parent)
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}
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const selector = `[data-toggle="collapse"][data-parent="${this._config.parent}"]`
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const children = [].slice.call(parent.querySelectorAll(selector))
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$(children).each((i, element) => {
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this._addAriaAndCollapsedClass(
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Collapse._getTargetFromElement(element),
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[element]
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)
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})
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return parent
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}
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_addAriaAndCollapsedClass(element, triggerArray) {
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const isOpen = $(element).hasClass(CLASS_NAME_SHOW)
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if (triggerArray.length) {
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$(triggerArray)
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.toggleClass(CLASS_NAME_COLLAPSED, !isOpen)
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.attr('aria-expanded', isOpen)
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}
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}
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// Static
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static _getTargetFromElement(element) {
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const selector = Util.getSelectorFromElement(element)
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return selector ? document.querySelector(selector) : null
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}
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static _jQueryInterface(config) {
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return this.each(function () {
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const $this = $(this)
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let data = $this.data(DATA_KEY)
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const _config = {
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...Default,
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...$this.data(),
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...typeof config === 'object' && config ? config : {}
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}
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if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {
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_config.toggle = false
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}
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if (!data) {
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data = new Collapse(this, _config)
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$this.data(DATA_KEY, data)
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}
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if (typeof config === 'string') {
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if (typeof data[config] === 'undefined') {
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throw new TypeError(`No method named "${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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* ------------------------------------------------------------------------
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* Data Api implementation
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* ------------------------------------------------------------------------
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*/
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$(document).on(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.currentTarget.tagName === 'A') {
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event.preventDefault()
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}
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const $trigger = $(this)
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const selector = Util.getSelectorFromElement(this)
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const selectors = [].slice.call(document.querySelectorAll(selector))
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$(selectors).each(function () {
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const $target = $(this)
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const data = $target.data(DATA_KEY)
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const config = data ? 'toggle' : $trigger.data()
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Collapse._jQueryInterface.call($target, config)
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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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*/
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$.fn[NAME] = Collapse._jQueryInterface
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$.fn[NAME].Constructor = Collapse
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$.fn[NAME].noConflict = () => {
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$.fn[NAME] = JQUERY_NO_CONFLICT
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return Collapse._jQueryInterface
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}
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export default Collapse
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