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function(target) {\n            for (var i = 1; i < arguments.length; i++) {\n                var source = arguments[i];\n\n                for (var key in source) {\n                    if (Object.prototype.hasOwnProperty.call(source, key)) {\n                        target[key] = source[key];\n                    }\n                }\n            }\n\n            return target;\n        };\n\n        return _extends.apply(this, arguments);\n    }\n\n    function _classCallCheck(instance, Constructor) {\n        if (!(instance instanceof Constructor)) {\n            throw new TypeError(\"Cannot call a class as a function\");\n        }\n    }\n\n    function _defineProperties(target, props) {\n        for (var i = 0; i < props.length; i++) {\n            var descriptor = props[i];\n            descriptor.enumerable = descriptor.enumerable || false;\n            descriptor.configurable = true;\n            if (\"value\" in descriptor) descriptor.writable = true;\n            Object.defineProperty(target, descriptor.key, descriptor);\n        }\n    }\n\n    function _createClass(Constructor, protoProps, staticProps) {\n        if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n        if (staticProps) _defineProperties(Constructor, staticProps);\n        return Constructor;\n    }\n\n    \/**\n     * --------------------------------------------------------------------------\n     * Bootstrap (v4.0.0): collapse.js\n     * Licensed under MIT (https:\/\/github.com\/twbs\/bootstrap\/blob\/master\/LICENSE)\n     * --------------------------------------------------------------------------\n     *\/\n    var Collapse = function($) {\n        \/**\n         * ------------------------------------------------------------------------\n         * Constants\n         * ------------------------------------------------------------------------\n         *\/\n        var NAME = 'collapse';\n        var VERSION = '4.0.0';\n        var DATA_KEY = 'bs.collapse';\n        var EVENT_KEY = \".\".concat(DATA_KEY);\n        var DATA_API_KEY = '.data-api';\n        var JQUERY_NO_CONFLICT = $.fn[NAME];\n        var TRANSITION_DURATION = 600;\n        var Default = {\n            toggle: true,\n            parent: ''\n        };\n        var DefaultType = {\n            toggle: 'boolean',\n            parent: '(string|element)'\n        };\n        var Event = {\n            SHOW: \"show\".concat(EVENT_KEY),\n            SHOWN: \"shown\".concat(EVENT_KEY),\n            HIDE: \"hide\".concat(EVENT_KEY),\n            HIDDEN: \"hidden\".concat(EVENT_KEY),\n            CLICK_DATA_API: \"click\".concat(EVENT_KEY).concat(DATA_API_KEY)\n        };\n        var ClassName = {\n            SHOW: 'show',\n            COLLAPSE: 'collapse',\n            COLLAPSING: 'collapsing',\n            COLLAPSED: 'collapsed'\n        };\n        var Dimension = {\n            WIDTH: 'width',\n            HEIGHT: 'height'\n        };\n        var Selector = {\n            ACTIVES: '.show, .collapsing',\n            DATA_TOGGLE: '[data-toggle=\"collapse\"]'\n            \/**\n             * ------------------------------------------------------------------------\n             * Class Definition\n             * ------------------------------------------------------------------------\n             *\/\n\n        };\n\n        var Collapse = function() {\n            function Collapse(element, config) {\n                _classCallCheck(this, Collapse);\n\n                this._isTransitioning = false;\n                this._element = element;\n                this._config = this._getConfig(config);\n                this._triggerArray = $.makeArray($(\"[data-toggle=\\\"collapse\\\"][href=\\\"#\".concat(element.id, \"\\\"],\") + \"[data-toggle=\\\"collapse\\\"][data-target=\\\"#\".concat(element.id, \"\\\"]\")));\n                var tabToggles = $(Selector.DATA_TOGGLE);\n\n                for (var i = 0; i < tabToggles.length; i++) {\n                    var elem = tabToggles[i];\n\n                    var selector = _util2.default.getSelectorFromElement(elem);\n\n                    if (selector !== null && $(selector).filter(element).length > 0) {\n                        this._selector = selector;\n\n                        this._triggerArray.push(elem);\n                    }\n                }\n\n                this._parent = this._config.parent ? this._getParent() : null;\n\n                if (!this._config.parent) {\n                    this._addAriaAndCollapsedClass(this._element, this._triggerArray);\n                }\n\n                if (this._config.toggle) {\n                    this.toggle();\n                }\n            } \/\/ Getters\n\n            _createClass(Collapse, [{\n                key: \"toggle\",\n                value: function toggle() {\n                    if ($(this._element).hasClass(ClassName.SHOW)) {\n                        this.hide();\n                    } else {\n                        this.show();\n                    }\n                }\n            }, {\n                key: \"show\",\n                value: function show() {\n                    var _this = this;\n\n                    if (this._isTransitioning || $(this._element).hasClass(ClassName.SHOW)) {\n                        return;\n                    }\n\n                    var actives;\n                    var activesData;\n\n                    if (this._parent) {\n                        actives = $.makeArray($(this._parent).find(Selector.ACTIVES).filter(\"[data-parent=\\\"\".concat(this._config.parent, \"\\\"]\")));\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\n                        if (activesData && activesData._isTransitioning) {\n                            return;\n                        }\n                    }\n\n                    var startEvent = $.Event(Event.SHOW);\n                    $(this._element).trigger(startEvent);\n\n                    if (startEvent.isDefaultPrevented()) {\n                        return;\n                    }\n\n                    if (actives) {\n                        Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide');\n\n                        if (!activesData) {\n                            $(actives).data(DATA_KEY, null);\n                        }\n                    }\n\n                    var dimension = this._getDimension();\n\n                    $(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);\n                    this._element.style[dimension] = 0;\n\n                    if (this._triggerArray.length > 0) {\n                        $(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);\n                   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\"\".concat(this._element[scrollSize], \"px\");\n                }\n            }, {\n                key: \"hide\",\n                value: function hide() {\n                    var _this2 = this;\n\n                    if (this._isTransitioning || !$(this._element).hasClass(ClassName.SHOW)) {\n                        return;\n                    }\n\n                    var startEvent = $.Event(Event.HIDE);\n                    $(this._element).trigger(startEvent);\n\n                    if (startEvent.isDefaultPrevented()) {\n                        return;\n                    }\n\n                    var dimension = this._getDimension();\n\n                    this._element.style[dimension] = \"\".concat(this._element.getBoundingClientRect()[dimension], \"px\");\n\n                    _util2.default.reflow(this._element);\n\n                    $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);\n\n                    if (this._triggerArray.length > 0) {\n                        for (var i = 0; i < this._triggerArray.length; i++) {\n                            var trigger = this._triggerArray[i];\n\n                            var selector = _util2.default.getSelectorFromElement(trigger);\n\n                            if (selector !== null) {\n                                var $elem = $(selector);\n\n                                if (!$elem.hasClass(ClassName.SHOW)) {\n                                    $(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);\n                                }\n                            }\n                        }\n                    }\n\n                    this.setTransitioning(true);\n\n                    var complete = function complete() {\n                        _this2.setTransitioning(false);\n\n                        $(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);\n                    };\n\n                    this._element.style[dimension] = '';\n\n                    if (!_util2.default.supportsTransitionEnd()) {\n                        complete();\n                        return;\n                    }\n\n                    $(this._element).one(_util2.default.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);\n                }\n            }, {\n                key: \"setTransitioning\",\n                value: function setTransitioning(isTransitioning) {\n                    this._isTransitioning = isTransitioning;\n                }\n            }, {\n                key: \"dispose\",\n                value: function dispose() {\n                    $.removeData(this._element, DATA_KEY);\n                    this._config = null;\n                    this._parent = null;\n                    this._element = null;\n                    this._triggerArray = null;\n                    this._isTransitioning = null;\n                }\n            }, {\n                key: \"_getConfig\",\n                value: function _getConfig(config) {\n                    config = _extends({}, Default, config);\n                    config.toggle = Boolean(config.toggle); \/\/ Coerce string values\n\n                    _util2.default.typeCheckConfig(NAME, config, DefaultType);\n\n                    return config;\n                }\n            }, {\n                key: \"_getDimension\",\n                value: function _getDimension() {\n                    var hasWidth = $(this._element).hasClass(Dimension.WIDTH);\n                    return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;\n                }\n            }, {\n                key: \"_getParent\",\n                value: function _getParent() {\n                    var _this3 = this;\n\n                    var parent = null;\n\n                    if (_util2.default.isElement(this._config.parent)) {\n                        parent = this._config.parent; \/\/ It's a jQuery object\n\n                        if (typeof this._config.parent.jquery !== 'undefined') {\n                            parent = this._config.parent[0];\n                        }\n                    } else {\n                        parent = $(this._config.parent)[0];\n                    }\n\n                    var selector = \"[data-toggle=\\\"collapse\\\"][data-parent=\\\"\".concat(this._config.parent, \"\\\"]\");\n                    $(parent).find(selector).each(function(i, element) {\n                        _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);\n                    });\n                    return parent;\n                }\n            }, {\n                key: \"_addAriaAndCollapsedClass\",\n                value: function _addAriaAndCollapsedClass(element, triggerArray) {\n                    if (element) {\n                        var isOpen = $(element).hasClass(ClassName.SHOW);\n\n                        if (triggerArray.length > 0) {\n                            $(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);\n                        }\n                    }\n                }\n            }], [{\n                key: \"_getTargetFromElement\",\n                value: function _getTargetFromElement(element) {\n                    var selector = _util2.default.getSelectorFromElement(element);\n\n                    return selector ? $(selector)[0] : null;\n                }\n            }, {\n                key: \"_jQueryInterface\",\n                value: function _jQueryInterface(config) {\n                    return this.each(function() {\n                        var $this = $(this);\n                        var data = $this.data(DATA_KEY);\n\n                        var _config = _extends({}, Default, $this.data(), _typeof(config) === 'object' && config);\n\n                        if (!data && _config.toggle && \/show|hide\/.test(config)) {\n                            _config.toggle = false;\n                        }\n\n                        if (!data) {\n                            data = new Collapse(this, _config);\n                            $this.data(DATA_KEY, data);\n                        }\n\n                        if (typeof config === 'string') {\n                            if (typeof data[config] === 'undefined') {\n                                throw new TypeError(\"No method named \\\"\".concat(config, \"\\\"\"));\n                            }\n\n                            data[config]();\n                        }\n                    });\n                }\n            }, {\n                key: \"VERSION\",\n                get: function get() {\n                    return VERSION;\n                }\n            }, {\n                key: \"Default\",\n                get: function get() {\n                    return Default;\n                }\n            }]);\n\n            return Collapse;\n        }();\n\n        \/**\n         * ------------------------------------------------------------------------\n         * Data Api implementation\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            var $trigger = $(this);\n\n            var selector = _util2.default.getSelectorFromElement(this);\n\n            $(selector).each(function() {\n                var $target = $(this);\n                var data = $target.data(DATA_KEY);\n                var config = data ? 'toggle' : $trigger.data();\n\n                Collapse._jQueryInterface.call($target, config);\n            });\n        });\n        \/**\n         * ------------------------------------------------------------------------\n         * jQuery\n         * ------------------------------------------------------------------------\n         *\/\n\n        $.fn[NAME] = Collapse._jQueryInterface;\n        $.fn[NAME].Constructor = Collapse;\n\n        $.fn[NAME].noConflict = function() {\n            $.fn[NAME] = JQUERY_NO_CONFLICT;\n            return Collapse._jQueryInterface;\n        };\n\n        return Collapse;\n    }(_jquery2.default);\n\n    exports.default = Collapse;\n});"],"file":"collapse.min.js"}