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EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_SHOW = 'show'\nconst CLASS_NAME_COLLAPSE = 'collapse'\nconst CLASS_NAME_COLLAPSING = 'collapsing'\nconst CLASS_NAME_COLLAPSED = 'collapsed'\n\nconst DIMENSION_WIDTH = 'width'\nconst DIMENSION_HEIGHT = 'height'\n\nconst SELECTOR_ACTIVES = '.show, .collapsing'\nconst SELECTOR_DATA_TOGGLE = '[data-toggle=\"collapse\"]'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Collapse {\n constructor(element, config) {\n this._isTransitioning = false\n this._element = element\n this._config = this._getConfig(config)\n this._triggerArray = [].slice.call(document.querySelectorAll(\n `[data-toggle=\"collapse\"][href=\"#${element.id}\"],` +\n `[data-toggle=\"collapse\"][data-target=\"#${element.id}\"]`\n ))\n\n const toggleList = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n for (let i = 0, len = toggleList.length; i < len; i++) {\n const elem = toggleList[i]\n const selector = Util.getSelectorFromElement(elem)\n const filterElement = [].slice.call(document.querySelectorAll(selector))\n .filter(foundElem => foundElem === element)\n\n if (selector !== null && filterElement.length > 0) {\n this._selector = selector\n this._triggerArray.push(elem)\n }\n }\n\n this._parent = this._config.parent ? this._getParent() : null\n\n if (!this._config.parent) {\n this._addAriaAndCollapsedClass(this._element, this._triggerArray)\n }\n\n if (this._config.toggle) {\n this.toggle()\n }\n }\n\n // Getters\n\n static get VERSION() {\n return VERSION\n }\n\n static get Default() {\n return Default\n }\n\n // Public\n\n toggle() {\n if ($(this._element).hasClass(CLASS_NAME_SHOW)) {\n this.hide()\n } else {\n this.show()\n }\n }\n\n show() {\n if (this._isTransitioning ||\n $(this._element).hasClass(CLASS_NAME_SHOW)) {\n return\n }\n\n let actives\n let activesData\n\n if (this._parent) {\n actives = [].slice.call(this._parent.querySelectorAll(SELECTOR_ACTIVES))\n .filter(elem => {\n if (typeof this._config.parent === 'string') {\n return elem.getAttribute('data-parent') === this._config.parent\n }\n\n return elem.classList.contains(CLASS_NAME_COLLAPSE)\n })\n\n if (actives.length === 0) {\n actives = null\n }\n }\n\n if (actives) {\n activesData = $(actives).not(this._selector).data(DATA_KEY)\n if (activesData && activesData._isTransitioning) {\n return\n }\n }\n\n const startEvent = $.Event(EVENT_SHOW)\n $(this._element).trigger(startEvent)\n if (startEvent.isDefaultPrevented()) {\n return\n }\n\n if (actives) {\n Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide')\n if (!activesData) {\n $(actives).data(DATA_KEY, null)\n }\n }\n\n const dimension = this._getDimension()\n\n $(this._element)\n .removeClass(CLASS_NAME_COLLAPSE)\n .addClass(CLASS_NAME_COLLAPSING)\n\n this._element.style[dimension] = 0\n\n if (this._triggerArray.length) {\n $(this._triggerArray)\n .removeClass(CLASS_NAME_COLLAPSED)\n .attr('aria-expanded', true)\n }\n\n this.setTransitioning(true)\n\n const complete = () => {\n $(this._element)\n .removeClass(CLASS_NAME_COLLAPSING)\n .addClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)\n\n this._element.style[dimension] = ''\n\n this.setTransitioning(false)\n\n $(this._element).trigger(EVENT_SHOWN)\n }\n\n const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)\n const scrollSize = `scroll${capitalizedDimension}`\n const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n $(this._element)\n .one(Util.TRANSITION_END, complete)\n .emulateTransitionEnd(transitionDuration)\n\n this._element.style[dimension] = `${this._element[scrollSize]}px`\n }\n\n hide() {\n if (this._isTransitioning ||\n !$(this._element).hasClass(CLASS_NAME_SHOW)) {\n return\n }\n\n const startEvent = $.Event(EVENT_HIDE)\n $(this._element).trigger(startEvent)\n if (startEvent.isDefaultPrevented()) {\n return\n }\n\n const dimension = this._getDimension()\n\n this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`\n\n Util.reflow(this._element)\n\n $(this._element)\n .addClass(CLASS_NAME_COLLAPSING)\n .removeClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)\n\n const triggerArrayLength = this._triggerArray.length\n if (triggerArrayLength > 0) {\n for (let i = 0; i < triggerArrayLength; i++) {\n const trigger = this._triggerArray[i]\n const selector = Util.getSelectorFromElement(trigger)\n\n if (selector !== null) {\n const $elem = $([].slice.call(document.querySelectorAll(selector)))\n if (!$elem.hasClass(CLASS_NAME_SHOW)) {\n $(trigger).addClass(CLASS_NAME_COLLAPSED)\n .attr('aria-expanded', false)\n }\n }\n }\n }\n\n this.setTransitioning(true)\n\n const complete = () => {\n this.setTransitioning(false)\n $(this._element)\n .removeClass(CLASS_NAME_COLLAPSING)\n .addClass(CLASS_NAME_COLLAPSE)\n .trigger(EVENT_HIDDEN)\n }\n\n this._element.style[dimension] = ''\n const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n $(this._element)\n .one(Util.TRANSITION_END, complete)\n .emulateTransitionEnd(transitionDuration)\n }\n\n setTransitioning(isTransitioning) {\n this._isTransitioning = isTransitioning\n }\n\n dispose() {\n $.removeData(this._element, DATA_KEY)\n\n this._config = null\n this._parent = null\n this._element = null\n this._triggerArray = null\n this._isTransitioning = null\n }\n\n // Private\n\n _getConfig(config) {\n config = {\n ...Default,\n ...config\n }\n config.toggle = Boolean(config.toggle) // Coerce string values\n Util.typeCheckConfig(NAME, config, DefaultType)\n return config\n }\n\n _getDimension() {\n const hasWidth = $(this._element).hasClass(DIMENSION_WIDTH)\n return hasWidth ? DIMENSION_WIDTH : DIMENSION_HEIGHT\n }\n\n _getParent() {\n let parent\n\n if (Util.isElement(this._config.parent)) {\n parent = this._config.parent\n\n // It's a jQuery object\n if (typeof this._config.parent.jquery !== 'undefined') {\n parent = this._config.parent[0]\n }\n } else {\n parent = document.querySelector(this._config.parent)\n }\n\n const selector = `[data-toggle=\"collapse\"][data-parent=\"${this._config.parent}\"]`\n const children = [].slice.call(parent.querySelectorAll(selector))\n\n $(children).each((i, element) => {\n this._addAriaAndCollapsedClass(\n Collapse._getTargetFromElement(element),\n [element]\n )\n })\n\n return parent\n }\n\n _addAriaAndCollapsedClass(element, triggerArray) {\n const isOpen = $(element).hasClass(CLASS_NAME_SHOW)\n\n if (triggerArray.length) {\n $(triggerArray)\n .toggleClass(CLASS_NAME_COLLAPSED, !isOpen)\n .attr('aria-expanded', isOpen)\n }\n }\n\n // Static\n\n static _getTargetFromElement(element) {\n const selector = Util.getSelectorFromElement(element)\n return selector ? document.querySelector(selector) : null\n }\n\n static _jQueryInterface(config) {\n return this.each(function () {\n const $element = $(this)\n let data = $element.data(DATA_KEY)\n const _config = {\n ...Default,\n ...$element.data(),\n ...(typeof config === 'object' && config ? config : {})\n }\n\n if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {\n _config.toggle = false\n }\n\n if (!data) {\n data = new Collapse(this, _config)\n $element.data(DATA_KEY, data)\n }\n\n if (typeof config === 'string') {\n if (typeof data[config] === 'undefined') {\n throw new TypeError(`No method named \"${config}\"`)\n }\n\n data[config]()\n }\n })\n }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n // preventDefault only for <a> elements (which change the URL) not inside the collapsible element\n if (event.currentTarget.tagName === 'A') {\n event.preventDefault()\n }\n\n const $trigger = $(this)\n const selector = Util.getSelectorFromElement(this)\n const selectors = [].slice.call(document.querySelectorAll(selector))\n\n $(selectors).each(function () {\n const $target = $(this)\n const data = $target.data(DATA_KEY)\n const config = data ? 'toggle' : $trigger.data()\n Collapse._jQueryInterface.call($target, config)\n })\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Collapse._jQueryInterface\n$.fn[NAME].Constructor = Collapse\n$.fn[NAME].noConflict = () => {\n $.fn[NAME] = JQUERY_NO_CONFLICT\n return Collapse._jQueryInterface\n}\n\nexport default Collapse\n"],"file":"collapse.min.js"}