/*!
 * Bootstrap v5.1.3 (https://getbootstrap.com/)
 * Copyright 2011-2021 The Bootstrap Authors
 * Copyright 2011-2021 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
 */
(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('jquery')) :
    typeof define === 'function' && define.amd ? define(['exports', 'jquery'], factory) :
    (factory((global.bootstrap = {}),global.jQuery));
}(this, (function (exports,$) {
    'use strict';

    $ = $ && $.hasOwnProperty('default') ? $['default'] : $;

    function _defineProperties(target, props)
    {
        for (var i = 0; i < props.length; i++) {
            var descriptor = props[i];
            descriptor.enumerable = descriptor.enumerable || false;
            descriptor.configurable = true;
            if ("value" in descriptor) descriptor.writable = true;
            Object.defineProperty(target, descriptor.key, descriptor);
        }
    }

    function _createClass(Constructor, protoProps, staticProps)
    {
        if (protoProps) _defineProperties(Constructor.prototype, protoProps);
        if (staticProps) _defineProperties(Constructor, staticProps);
        return Constructor;
    }

    function _defineProperty(obj, key, value)
    {
        if (key in obj) {
            Object.defineProperty(
                obj, key, {
                    value: value,
                    enumerable: true,
                    configurable: true,
                    writable: true
                }
            );
        } else {
            obj[key] = value;
        }

        return obj;
    }

    function _objectSpread(target)
    {
        for (var i = 1; i < arguments.length; i++) {
            var source = arguments[i] != null ? arguments[i] : {};
            var ownKeys = Object.keys(source);

            if (typeof Object.getOwnPropertySymbols === 'function') {
                ownKeys = ownKeys.concat(
                    Object.getOwnPropertySymbols(source).filter(
                        function (sym) {
                                return Object.getOwnPropertyDescriptor(source, sym).enumerable;
                        }
                    )
                );
            }

            ownKeys.forEach(
                function (key) {
                    _defineProperty(target, key, source[key]);
                }
            );
        }

        return target;
    }

    function _inheritsLoose(subClass, superClass)
    {
        subClass.prototype = Object.create(superClass.prototype);
        subClass.prototype.constructor = subClass;
        subClass.__proto__ = superClass;
    }

    /**
     * --------------------------------------------------------------------------
     * Bootstrap (v4.1.3): util.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Util = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Private TransitionEnd Helpers
         * ------------------------------------------------------------------------
         */
        var TRANSITION_END = 'transitionend';
        var MAX_UID = 1000000;
        var MILLISECONDS_MULTIPLIER = 1000; // Shoutout AngusCroll (https://goo.gl/pxwQGp)

        function toType(obj)
        {
            return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
        }

        function getSpecialTransitionEndEvent()
        {
            return {
                bindType: TRANSITION_END,
                delegateType: TRANSITION_END,
                handle: function handle(event)
                {
                    if ($$$1(event.target).is(this)) {
                        return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params
                    }

                    return undefined; // eslint-disable-line no-undefined
                }
            };
        }

        function transitionEndEmulator(duration)
        {
            var _this = this;

            var called = false;
            $$$1(this).one(
                Util.TRANSITION_END, function () {
                    called = true;
                }
            );
            setTimeout(
                function () {
                    if (!called) {
                        Util.triggerTransitionEnd(_this);
                    }
                }, duration
            );
            return this;
        }

        function setTransitionEndSupport()
        {
            $$$1.fn.emulateTransitionEnd = transitionEndEmulator;
            $$$1.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
        }
        /**
         * --------------------------------------------------------------------------
         * Public Util Api
         * --------------------------------------------------------------------------
         */


        var Util = {
            TRANSITION_END: 'bsTransitionEnd',
            getUID: function getUID(prefix)
            {
                do {
                    // eslint-disable-next-line no-bitwise
                    prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
                } while (document.getElementById(prefix));

                return prefix;
            },
            getSelectorFromElement: function getSelectorFromElement(element)
            {
                var selector = element.getAttribute('data-target');

                if (!selector || selector === '#') {
                    selector = element.getAttribute('href') || '';
                }

                try {
                    return document.querySelector(selector) ? selector : null;
                } catch (err) {
                    return null;
                }
            },
            getTransitionDurationFromElement: function getTransitionDurationFromElement(element)
            {
                if (!element) {
                    return 0;
                } // Get transition-duration of the element


                var transitionDuration = $$$1(element).css('transition-duration');
                var floatTransitionDuration = parseFloat(transitionDuration); // Return 0 if element or transition duration is not found

                if (!floatTransitionDuration) {
                    return 0;
                } // If multiple durations are defined, take the first


                transitionDuration = transitionDuration.split(',')[0];
                return parseFloat(transitionDuration) * MILLISECONDS_MULTIPLIER;
            },
            reflow: function reflow(element)
            {
                return element.offsetHeight;
            },
            triggerTransitionEnd: function triggerTransitionEnd(element)
            {
                $$$1(element).trigger(TRANSITION_END);
            },
            // TODO: Remove in v5
            supportsTransitionEnd: function supportsTransitionEnd()
            {
                return Boolean(TRANSITION_END);
            },
            isElement: function isElement(obj)
            {
                return (obj[0] || obj).nodeType;
            },
            typeCheckConfig: function typeCheckConfig(componentName, config, configTypes)
            {
                for (var property in configTypes) {
                    if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
                          var expectedTypes = configTypes[property];
                          var value = config[property];
                          var valueType = value && Util.isElement(value) ? 'element' : toType(value);

                        if (!new RegExp(expectedTypes).test(valueType)) {
                            throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\"."));
                        }
                    }
                }
            }
        };
        setTransitionEndSupport();
        return Util;
    }($);

    /**
     * --------------------------------------------------------------------------
     * Bootstrap (v4.1.3): alert.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Alert = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'alert';
        var VERSION = '4.1.3';
        var DATA_KEY = 'bs.alert';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
        var Selector = {
            DISMISS: '[data-dismiss="alert"]'
        };
        var Event = {
            CLOSE: "close" + EVENT_KEY,
            CLOSED: "closed" + EVENT_KEY,
            CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
        };
        var ClassName = {
            ALERT: 'alert',
            FADE: 'fade',
            SHOW: 'show'
            /**
             * ------------------------------------------------------------------------
             * Class Definition
             * ------------------------------------------------------------------------
             */

        };

        var Alert =
        /*#__PURE__*/
        function () {
            function Alert(element)
            {
                this._element = element;
            } // Getters


            var _proto = Alert.prototype;

            // Public
            _proto.close = function close(element)
            {
                var rootElement = this._element;

                if (element) {
                    rootElement = this._getRootElement(element);
                }

                var customEvent = this._triggerCloseEvent(rootElement);

                if (customEvent.isDefaultPrevented()) {
                    return;
                }

                this._removeElement(rootElement);
            };

            _proto.dispose = function dispose()
            {
                $$$1.removeData(this._element, DATA_KEY);
                this._element = null;
            }; // Private


            _proto._getRootElement = function _getRootElement(element)
            {
                var selector = Util.getSelectorFromElement(element);
                var parent = false;

                if (selector) {
                    parent = document.querySelector(selector);
                }

                if (!parent) {
                    parent = $$$1(element).closest("." + ClassName.ALERT)[0];
                }

                return parent;
            };

            _proto._triggerCloseEvent = function _triggerCloseEvent(element)
            {
                var closeEvent = $$$1.Event(Event.CLOSE);
                $$$1(element).trigger(closeEvent);
                return closeEvent;
            };

            _proto._removeElement = function _removeElement(element)
            {
                var _this = this;

                $$$1(element).removeClass(ClassName.SHOW);

                if (!$$$1(element).hasClass(ClassName.FADE)) {
                    this._destroyElement(element);

                    return;
                }

                var transitionDuration = Util.getTransitionDurationFromElement(element);
                $$$1(element).one(
                    Util.TRANSITION_END, function (event) {
                        return _this._destroyElement(element, event);
                    }
                ).emulateTransitionEnd(transitionDuration);
            };

            _proto._destroyElement = function _destroyElement(element)
            {
                $$$1(element).detach().trigger(Event.CLOSED).remove();
            }; // Static


            Alert._jQueryInterface = function _jQueryInterface(config)
            {
                return this.each(
                    function () {
                        var $element = $$$1(this);
                        var data = $element.data(DATA_KEY);

                        if (!data) {
                            data = new Alert(this);
                            $element.data(DATA_KEY, data);
                        }

                        if (config === 'close') {
                            data[config](this);
                        }
                    }
                );
            };

            Alert._handleDismiss = function _handleDismiss(alertInstance)
            {
                return function (event) {
                    if (event) {
                        event.preventDefault();
                    }

                    alertInstance.close(this);
                };
            };

            _createClass(
                Alert, null, [{
                    key: "VERSION",
                    get: function get()
                    {
                        return VERSION;
                    }
                }]
            );

            return Alert;
        }();
        /**
         * ------------------------------------------------------------------------
         * Data Api implementation
         * ------------------------------------------------------------------------
         */


        $$$1(document).on(Event.CLICK_DATA_API, Selector.DISMISS, Alert._handleDismiss(new Alert()));
        /**
         * ------------------------------------------------------------------------
         * jQuery
         * ------------------------------------------------------------------------
         */

        $$$1.fn[NAME] = Alert._jQueryInterface;
        $$$1.fn[NAME].Constructor = Alert;

        $$$1.fn[NAME].noConflict = function () {
            $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
            return Alert._jQueryInterface;
        };

        return Alert;
    }($);

    /**
     * --------------------------------------------------------------------------
     * Bootstrap (v4.1.3): button.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Button = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'button';
        var VERSION = '4.1.3';
        var DATA_KEY = 'bs.button';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
        var ClassName = {
            ACTIVE: 'active',
            BUTTON: 'btn',
            FOCUS: 'focus'
        };
        var Selector = {
            DATA_TOGGLE_CARROT: '[data-toggle^="button"]',
            DATA_TOGGLE: '[data-toggle="buttons"]',
            INPUT: 'input',
            ACTIVE: '.active',
            BUTTON: '.btn'
        };
        var Event = {
            CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY,
            FOCUS_BLUR_DATA_API: "focus" + EVENT_KEY + DATA_API_KEY + " " + ("blur" + EVENT_KEY + DATA_API_KEY)
            /**
             * ------------------------------------------------------------------------
             * Class Definition
             * ------------------------------------------------------------------------
             */

        };

        var Button =
        /*#__PURE__*/
        function () {
            function Button(element)
            {
                this._element = element;
            } // Getters


            var _proto = Button.prototype;

            // Public
            _proto.toggle = function toggle()
            {
                var triggerChangeEvent = true;
                var addAriaPressed = true;
                var rootElement = $$$1(this._element).closest(Selector.DATA_TOGGLE)[0];

                if (rootElement) {
                    var input = this._element.querySelector(Selector.INPUT);

                    if (input) {
                        if (input.type === 'radio') {
                            if (input.checked && this._element.classList.contains(ClassName.ACTIVE)) {
                                triggerChangeEvent = false;
                            } else {
                                var activeElement = rootElement.querySelector(Selector.ACTIVE);

                                if (activeElement) {
                                    $$$1(activeElement).removeClass(ClassName.ACTIVE);
                                }
                            }
                        }

                        if (triggerChangeEvent) {
                            if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) {
                                return;
                            }

                            input.checked = !this._element.classList.contains(ClassName.ACTIVE);
                            $$$1(input).trigger('change');
                        }

                        input.focus();
                        addAriaPressed = false;
                    }
                }

                if (addAriaPressed) {
                    this._element.setAttribute('aria-pressed', !this._element.classList.contains(ClassName.ACTIVE));
                }

                if (triggerChangeEvent) {
                    $$$1(this._element).toggleClass(ClassName.ACTIVE);
                }
            };

            _proto.dispose = function dispose()
            {
                $$$1.removeData(this._element, DATA_KEY);
                this._element = null;
            }; // Static


            Button._jQueryInterface = function _jQueryInterface(config)
            {
                return this.each(
                    function () {
                        var data = $$$1(this).data(DATA_KEY);

                        if (!data) {
                            data = new Button(this);
                            $$$1(this).data(DATA_KEY, data);
                        }

                        if (config === 'toggle') {
                            data[config]();
                        }
                    }
                );
            };

            _createClass(
                Button, null, [{
                    key: "VERSION",
                    get: function get()
                    {
                        return VERSION;
                    }
                }]
            );

            return Button;
        }();
        /**
         * ------------------------------------------------------------------------
         * Data Api implementation
         * ------------------------------------------------------------------------
         */


        $$$1(document).on(
            Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) {
                event.preventDefault();
                var button = event.target;

                if (!$$$1(button).hasClass(ClassName.BUTTON)) {
                    button = $$$1(button).closest(Selector.BUTTON);
                }

                Button._jQueryInterface.call($$$1(button), 'toggle');
            }
        ).on(
            Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, function (event) {
                var button = $$$1(event.target).closest(Selector.BUTTON)[0];
                $$$1(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type));
            }
        );
        /**
         * ------------------------------------------------------------------------
         * jQuery
         * ------------------------------------------------------------------------
         */

        $$$1.fn[NAME] = Button._jQueryInterface;
        $$$1.fn[NAME].Constructor = Button;

        $$$1.fn[NAME].noConflict = function () {
            $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
            return Button._jQueryInterface;
        };

        return Button;
    }($);

    /**
     * --------------------------------------------------------------------------
     * Bootstrap (v4.1.3): carousel.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Carousel = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'carousel';
        var VERSION = '4.1.3';
        var DATA_KEY = 'bs.carousel';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
        var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key

        var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key

        var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch

        var Default = {
            interval: 5000,
                keyboard: true,
                slide: false,
                pause: 'hover',
                wrap: true
    };
    var DefaultType = {
        interval: '(number|boolean)',
        keyboard: 'boolean',
        slide: '(boolean|string)',
        pause: '(string|boolean)',
        wrap: 'boolean'
    };
    var Direction = {
        NEXT: 'next',
        PREV: 'prev',
        LEFT: 'left',
        RIGHT: 'right'
    };
    var Event = {
        SLIDE: "slide" + EVENT_KEY,
        SLID: "slid" + EVENT_KEY,
        KEYDOWN: "keydown" + EVENT_KEY,
        MOUSEENTER: "mouseenter" + EVENT_KEY,
        MOUSELEAVE: "mouseleave" + EVENT_KEY,
        TOUCHEND: "touchend" + EVENT_KEY,
        LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY,
        CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
    };
    var ClassName = {
        CAROUSEL: 'carousel',
        ACTIVE: 'active',
        SLIDE: 'slide',
        RIGHT: 'carousel-item-right',
        LEFT: 'carousel-item-left',
        NEXT: 'carousel-item-next',
        PREV: 'carousel-item-prev',
        ITEM: 'carousel-item'
    };
    var Selector = {
        ACTIVE: '.active',
        ACTIVE_ITEM: '.active.carousel-item',
        ITEM: '.carousel-item',
        NEXT_PREV: '.carousel-item-next, .carousel-item-prev',
        INDICATORS: '.carousel-indicators',
        DATA_SLIDE: '[data-slide], [data-slide-to]',
        DATA_RIDE: '[data-ride="carousel"]'
        /**
         * ------------------------------------------------------------------------
         * Class Definition
         * ------------------------------------------------------------------------
         */

    };

    var Carousel =
    /*#__PURE__*/
    function () {
        function Carousel(element, config)
        {
            this._items = null;
            this._interval = null;
            this._activeElement = null;
            this._isPaused = false;
            this._isSliding = false;
            this.touchTimeout = null;
            this._config = this._getConfig(config);
            this._element = $$$1(element)[0];
            this._indicatorsElement = this._element.querySelector(Selector.INDICATORS);

            this._addEventListeners();
        } // Getters


        var _proto = Carousel.prototype;

        // Public
        _proto.next = function next()
        {
            if (!this._isSliding) {
                this._slide(Direction.NEXT);
            }
        };

        _proto.nextWhenVisible = function nextWhenVisible()
        {
            // Don't call next when the page isn't visible
            // or the carousel or its parent isn't visible
            if (!document.hidden && $$$1(this._element).is(':visible') && $$$1(this._element).css('visibility') !== 'hidden') {
                this.next();
            }
        };

        _proto.prev = function prev()
        {
            if (!this._isSliding) {
                this._slide(Direction.PREV);
            }
        };

        _proto.pause = function pause(event)
        {
            if (!event) {
                this._isPaused = true;
            }

            if (this._element.querySelector(Selector.NEXT_PREV)) {
                Util.triggerTransitionEnd(this._element);
                this.cycle(true);
            }

            clearInterval(this._interval);
            this._interval = null;
        };

        _proto.cycle = function cycle(event)
        {
            if (!event) {
                this._isPaused = false;
            }

            if (this._interval) {
                clearInterval(this._interval);
                this._interval = null;
            }

            if (this._config.interval && !this._isPaused) {
                this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
            }
        };

        _proto.to = function to(index)
        {
            var _this = this;

            this._activeElement = this._element.querySelector(Selector.ACTIVE_ITEM);

            var activeIndex = this._getItemIndex(this._activeElement);

            if (index > this._items.length - 1 || index < 0) {
                return;
            }

            if (this._isSliding) {
                $$$1(this._element).one(
                    Event.SLID, function () {
                        return _this.to(index);
                    }
                );
                return;
            }

            if (activeIndex === index) {
                this.pause();
                this.cycle();
                return;
            }

            var direction = index > activeIndex ? Direction.NEXT : Direction.PREV;

            this._slide(direction, this._items[index]);
        };

        _proto.dispose = function dispose()
        {
            $$$1(this._element).off(EVENT_KEY);
            $$$1.removeData(this._element, DATA_KEY);
            this._items = null;
            this._config = null;
            this._element = null;
            this._interval = null;
            this._isPaused = null;
            this._isSliding = null;
            this._activeElement = null;
            this._indicatorsElement = null;
        }; // Private


        _proto._getConfig = function _getConfig(config)
        {
            config = _objectSpread({}, Default, config);
            Util.typeCheckConfig(NAME, config, DefaultType);
            return config;
        };

        _proto._addEventListeners = function _addEventListeners()
        {
            var _this2 = this;

            if (this._config.keyboard) {
                $$$1(this._element).on(
                    Event.KEYDOWN, function (event) {
                        return _this2._keydown(event);
                    }
                );
            }

            if (this._config.pause === 'hover') {
                $$$1(this._element).on(
                    Event.MOUSEENTER, function (event) {
                        return _this2.pause(event);
                    }
                ).on(
                    Event.MOUSELEAVE, function (event) {
                        return _this2.cycle(event);
                    }
                );

                if ('ontouchstart' in document.documentElement) {
                    // If it's a touch-enabled device, mouseenter/leave are fired as
                    // part of the mouse compatibility events on first tap - the carousel
                    // would stop cycling until user tapped out of it;
                    // here, we listen for touchend, explicitly pause the carousel
                    // (as if it's the second time we tap on it, mouseenter compat event
                    // is NOT fired) and after a timeout (to allow for mouse compatibility
                    // events to fire) we explicitly restart cycling
                    $$$1(this._element).on(
                        Event.TOUCHEND, function () {
                            _this2.pause();

                            if (_this2.touchTimeout) {
                                clearTimeout(_this2.touchTimeout);
                            }

                            _this2.touchTimeout = setTimeout(
                                function (event) {
                                    return _this2.cycle(event);
                                }, TOUCHEVENT_COMPAT_WAIT + _this2._config.interval
                            );
                        }
                    );
                }
            }
        };

        _proto._keydown = function _keydown(event)
        {
            if (/input|textarea/i.test(event.target.tagName)) {
                return;
            }

            switch (event.which) {
            case ARROW_LEFT_KEYCODE:
                event.preventDefault();
                this.prev();
                break;

            case ARROW_RIGHT_KEYCODE:
                event.preventDefault();
                this.next();
                break;

            default:
            }
        };

        _proto._getItemIndex = function _getItemIndex(element)
        {
            this._items = element && element.parentNode ? [].slice.call(element.parentNode.querySelectorAll(Selector.ITEM)) : [];
            return this._items.indexOf(element);
        };

        _proto._getItemByDirection = function _getItemByDirection(direction, activeElement)
        {
            var isNextDirection = direction === Direction.NEXT;
            var isPrevDirection = direction === Direction.PREV;

            var activeIndex = this._getItemIndex(activeElement);

            var lastItemIndex = this._items.length - 1;
            var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;

            if (isGoingToWrap && !this._config.wrap) {
                return activeElement;
            }

            var delta = direction === Direction.PREV ? -1 : 1;
            var itemIndex = (activeIndex + delta) % this._items.length;
            return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
        };

        _proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName)
        {
            var targetIndex = this._getItemIndex(relatedTarget);

            var fromIndex = this._getItemIndex(this._element.querySelector(Selector.ACTIVE_ITEM));

            var slideEvent = $$$1.Event(
                Event.SLIDE, {
                    relatedTarget: relatedTarget,
                    direction: eventDirectionName,
                    from: fromIndex,
                    to: targetIndex
                }
            );
            $$$1(this._element).trigger(slideEvent);
            return slideEvent;
        };

        _proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element)
        {
            if (this._indicatorsElement) {
                var indicators = [].slice.call(this._indicatorsElement.querySelectorAll(Selector.ACTIVE));
                $$$1(indicators).removeClass(ClassName.ACTIVE);

                var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)];

                if (nextIndicator) {
                    $$$1(nextIndicator).addClass(ClassName.ACTIVE);
                }
            }
        };

        _proto._slide = function _slide(direction, element)
        {
            var _this3 = this;

            var activeElement = this._element.querySelector(Selector.ACTIVE_ITEM);

            var activeElementIndex = this._getItemIndex(activeElement);

            var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);

            var nextElementIndex = this._getItemIndex(nextElement);

            var isCycling = Boolean(this._interval);
            var directionalClassName;
            var orderClassName;
            var eventDirectionName;

            if (direction === Direction.NEXT) {
                directionalClassName = ClassName.LEFT;
                orderClassName = ClassName.NEXT;
                eventDirectionName = Direction.LEFT;
            } else {
                directionalClassName = ClassName.RIGHT;
                orderClassName = ClassName.PREV;
                eventDirectionName = Direction.RIGHT;
            }

            if (nextElement && $$$1(nextElement).hasClass(ClassName.ACTIVE)) {
                this._isSliding = false;
                return;
            }

            var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);

            if (slideEvent.isDefaultPrevented()) {
                return;
            }

            if (!activeElement || !nextElement) {
                // Some weirdness is happening, so we bail
                return;
            }

            this._isSliding = true;

            if (isCycling) {
                this.pause();
            }

            this._setActiveIndicatorElement(nextElement);

            var slidEvent = $$$1.Event(
                Event.SLID, {
                    relatedTarget: nextElement,
                    direction: eventDirectionName,
                    from: activeElementIndex,
                    to: nextElementIndex
                }
            );

            if ($$$1(this._element).hasClass(ClassName.SLIDE)) {
                $$$1(nextElement).addClass(orderClassName);
                Util.reflow(nextElement);
                $$$1(activeElement).addClass(directionalClassName);
                $$$1(nextElement).addClass(directionalClassName);
                var transitionDuration = Util.getTransitionDurationFromElement(activeElement);
                $$$1(activeElement).one(
                    Util.TRANSITION_END, function () {
                        $$$1(nextElement).removeClass(directionalClassName + " " + orderClassName).addClass(ClassName.ACTIVE);
                        $$$1(activeElement).removeClass(ClassName.ACTIVE + " " + orderClassName + " " + directionalClassName);
                        _this3._isSliding = false;
                        setTimeout(
                            function () {
                                return $$$1(_this3._element).trigger(slidEvent);
                            }, 0
                        );
                    }
                ).emulateTransitionEnd(transitionDuration);
            } else {
                $$$1(activeElement).removeClass(ClassName.ACTIVE);
                $$$1(nextElement).addClass(ClassName.ACTIVE);
                this._isSliding = false;
                $$$1(this._element).trigger(slidEvent);
            }

            if (isCycling) {
                this.cycle();
            }
        }; // Static


        Carousel._jQueryInterface = function _jQueryInterface(config)
        {
            return this.each(
                function () {
                    var data = $$$1(this).data(DATA_KEY);

                    var _config = _objectSpread({}, Default, $$$1(this).data());

                    if (typeof config === 'object') {
                        _config = _objectSpread({}, _config, config);
                    }

                    var action = typeof config === 'string' ? config : _config.slide;

                    if (!data) {
                        data = new Carousel(this, _config);
                        $$$1(this).data(DATA_KEY, data);
                    }

                    if (typeof config === 'number') {
                        data.to(config);
                    } else if (typeof action === 'string') {
                        if (typeof data[action] === 'undefined') {
                            throw new TypeError("No method named \"" + action + "\"");
                        }

                        data[action]();
                    } else if (_config.interval) {
                        data.pause();
                        data.cycle();
                    }
                }
            );
        };

        Carousel._dataApiClickHandler = function _dataApiClickHandler(event)
        {
            var selector = Util.getSelectorFromElement(this);

            if (!selector) {
                return;
            }

            var target = $$$1(selector)[0];

            if (!target || !$$$1(target).hasClass(ClassName.CAROUSEL)) {
                return;
            }

            var config = _objectSpread({}, $$$1(target).data(), $$$1(this).data());

            var slideIndex = this.getAttribute('data-slide-to');

            if (slideIndex) {
                config.interval = false;
            }

            Carousel._jQueryInterface.call($$$1(target), config);

            if (slideIndex) {
                $$$1(target).data(DATA_KEY).to(slideIndex);
            }

            event.preventDefault();
        };

        _createClass(
            Carousel, null, [{
                key: "VERSION",
                get: function get()
                {
                    return VERSION;
                }
            }, {
                key: "Default",
                get: function get()
                {
                    return Default;
                }
            }]
        );

        return Carousel;
    }();
    /**
     * ------------------------------------------------------------------------
     * Data Api implementation
     * ------------------------------------------------------------------------
     */


    $$$1(document).on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler);
    $$$1(window).on(
        Event.LOAD_DATA_API, function () {
            var carousels = [].slice.call(document.querySelectorAll(Selector.DATA_RIDE));

            for (var i = 0, len = carousels.length; i < len; i++) {
                var $carousel = $$$1(carousels[i]);

                Carousel._jQueryInterface.call($carousel, $carousel.data());
            }
        }
    );
    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     */

    $$$1.fn[NAME] = Carousel._jQueryInterface;
    $$$1.fn[NAME].Constructor = Carousel;

    $$$1.fn[NAME].noConflict = function () {
        $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
        return Carousel._jQueryInterface;
    };

    return Carousel;
}($);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): collapse.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var Collapse = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'collapse';
    var VERSION = '4.1.3';
    var DATA_KEY = 'bs.collapse';
    var EVENT_KEY = "." + DATA_KEY;
    var DATA_API_KEY = '.data-api';
    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
    var Default = {
        toggle: true,
            parent: ''
    };
    var DefaultType = {
        toggle: 'boolean',
        parent: '(string|element)'
    };
    var Event = {
        SHOW: "show" + EVENT_KEY,
        SHOWN: "shown" + EVENT_KEY,
        HIDE: "hide" + EVENT_KEY,
        HIDDEN: "hidden" + EVENT_KEY,
        CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
    };
    var ClassName = {
        SHOW: 'show',
        COLLAPSE: 'collapse',
        COLLAPSING: 'collapsing',
        COLLAPSED: 'collapsed'
    };
    var Dimension = {
        WIDTH: 'width',
        HEIGHT: 'height'
    };
    var Selector = {
        ACTIVES: '.show, .collapsing',
        DATA_TOGGLE: '[data-toggle="collapse"]'
        /**
         * ------------------------------------------------------------------------
         * Class Definition
         * ------------------------------------------------------------------------
         */

    };

    var Collapse =
    /*#__PURE__*/
    function () {
        function Collapse(element, config)
        {
            this._isTransitioning = false;
            this._element = element;
            this._config = this._getConfig(config);
            this._triggerArray = $$$1.makeArray(document.querySelectorAll("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]")));
            var toggleList = [].slice.call(document.querySelectorAll(Selector.DATA_TOGGLE));

            for (var i = 0, len = toggleList.length; i < len; i++) {
                var elem = toggleList[i];
                var selector = Util.getSelectorFromElement(elem);
                var filterElement = [].slice.call(document.querySelectorAll(selector)).filter(
                    function (foundElem) {
                        return foundElem === element;
                    }
                );

                if (selector !== null && filterElement.length > 0) {
                      this._selector = selector;

                      this._triggerArray.push(elem);
                }
            }

            this._parent = this._config.parent ? this._getParent() : null;

            if (!this._config.parent) {
                this._addAriaAndCollapsedClass(this._element, this._triggerArray);
            }

            if (this._config.toggle) {
                this.toggle();
            }
        } // Getters


        var _proto = Collapse.prototype;

        // Public
        _proto.toggle = function toggle()
        {
            if ($$$1(this._element).hasClass(ClassName.SHOW)) {
                this.hide();
            } else {
                this.show();
            }
        };

        _proto.show = function show()
        {
            var _this = this;

            if (this._isTransitioning || $$$1(this._element).hasClass(ClassName.SHOW)) {
                return;
            }

            var actives;
            var activesData;

            if (this._parent) {
                actives = [].slice.call(this._parent.querySelectorAll(Selector.ACTIVES)).filter(
                    function (elem) {
                        return elem.getAttribute('data-parent') === _this._config.parent;
                    }
                );

                if (actives.length === 0) {
                    actives = null;
                }
            }

            if (actives) {
                activesData = $$$1(actives).not(this._selector).data(DATA_KEY);

                if (activesData && activesData._isTransitioning) {
                    return;
                }
            }

            var startEvent = $$$1.Event(Event.SHOW);
            $$$1(this._element).trigger(startEvent);

            if (startEvent.isDefaultPrevented()) {
                return;
            }

            if (actives) {
                Collapse._jQueryInterface.call($$$1(actives).not(this._selector), 'hide');

                if (!activesData) {
                    $$$1(actives).data(DATA_KEY, null);
                }
            }

            var dimension = this._getDimension();

            $$$1(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
            this._element.style[dimension] = 0;

            if (this._triggerArray.length) {
                $$$1(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
            }

            this.setTransitioning(true);

            var complete = function complete()
            {
                $$$1(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
                _this._element.style[dimension] = '';

                _this.setTransitioning(false);

                $$$1(_this._element).trigger(Event.SHOWN);
            };

            var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1);
            var scrollSize = "scroll" + capitalizedDimension;
            var transitionDuration = Util.getTransitionDurationFromElement(this._element);
            $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
            this._element.style[dimension] = this._element[scrollSize] + "px";
        };

        _proto.hide = function hide()
        {
            var _this2 = this;

            if (this._isTransitioning || !$$$1(this._element).hasClass(ClassName.SHOW)) {
                return;
            }

            var startEvent = $$$1.Event(Event.HIDE);
            $$$1(this._element).trigger(startEvent);

            if (startEvent.isDefaultPrevented()) {
                return;
            }

            var dimension = this._getDimension();

            this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + "px";
            Util.reflow(this._element);
            $$$1(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
            var triggerArrayLength = this._triggerArray.length;

            if (triggerArrayLength > 0) {
                for (var i = 0; i < triggerArrayLength; i++) {
                    var trigger = this._triggerArray[i];
                    var selector = Util.getSelectorFromElement(trigger);

                    if (selector !== null) {
                        var $elem = $$$1([].slice.call(document.querySelectorAll(selector)));

                        if (!$elem.hasClass(ClassName.SHOW)) {
                            $$$1(trigger).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
                        }
                    }
                }
            }

            this.setTransitioning(true);

            var complete = function complete()
            {
                _this2.setTransitioning(false);

                $$$1(_this2._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
            };

            this._element.style[dimension] = '';
            var transitionDuration = Util.getTransitionDurationFromElement(this._element);
            $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
        };

        _proto.setTransitioning = function setTransitioning(isTransitioning)
        {
            this._isTransitioning = isTransitioning;
        };

        _proto.dispose = function dispose()
        {
            $$$1.removeData(this._element, DATA_KEY);
            this._config = null;
            this._parent = null;
            this._element = null;
            this._triggerArray = null;
            this._isTransitioning = null;
        }; // Private


        _proto._getConfig = function _getConfig(config)
        {
            config = _objectSpread({}, Default, config);
            config.toggle = Boolean(config.toggle); // Coerce string values

            Util.typeCheckConfig(NAME, config, DefaultType);
            return config;
        };

        _proto._getDimension = function _getDimension()
        {
            var hasWidth = $$$1(this._element).hasClass(Dimension.WIDTH);
            return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT;
        };

        _proto._getParent = function _getParent()
        {
            var _this3 = this;

            var parent = null;

            if (Util.isElement(this._config.parent)) {
                parent = this._config.parent; // It's a jQuery object

                if (typeof this._config.parent.jquery !== 'undefined') {
                    parent = this._config.parent[0];
                }
            } else {
                parent = document.querySelector(this._config.parent);
            }

            var selector = "[data-toggle=\"collapse\"][data-parent=\"" + this._config.parent + "\"]";
            var children = [].slice.call(parent.querySelectorAll(selector));
            $$$1(children).each(
                function (i, element) {
                    _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
                }
            );
            return parent;
        };

        _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray)
        {
            if (element) {
                var isOpen = $$$1(element).hasClass(ClassName.SHOW);

                if (triggerArray.length) {
                    $$$1(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
                }
            }
        }; // Static


        Collapse._getTargetFromElement = function _getTargetFromElement(element)
        {
            var selector = Util.getSelectorFromElement(element);
            return selector ? document.querySelector(selector) : null;
        };

        Collapse._jQueryInterface = function _jQueryInterface(config)
        {
            return this.each(
                function () {
                    var $this = $$$1(this);
                    var data = $this.data(DATA_KEY);

                    var _config = _objectSpread({}, Default, $this.data(), typeof config === 'object' && config ? config : {});

                        if (!data && _config.toggle && /show|hide/.test(config)) {
                            _config.toggle = false;
                        }

                        if (!data) {
                            data = new Collapse(this, _config);
                            $this.data(DATA_KEY, data);
                        }

                        if (typeof config === 'string') {
                            if (typeof data[config] === 'undefined') {
                                throw new TypeError("No method named \"" + config + "\"");
                            }

                            data[config]();
                        }
                }
            );
        };

        _createClass(
            Collapse, null, [{
                key: "VERSION",
                get: function get()
                {
                    return VERSION;
                }
            }, {
                key: "Default",
                get: function get()
                {
                    return Default;
                }
            }]
        );

        return Collapse;
    }();
    /**
     * ------------------------------------------------------------------------
     * Data Api implementation
     * ------------------------------------------------------------------------
     */


    $$$1(document).on(
        Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
            // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
            if (event.currentTarget.tagName === 'A') {
                event.preventDefault();
            }

            var $trigger = $$$1(this);
            var selector = Util.getSelectorFromElement(this);
            var selectors = [].slice.call(document.querySelectorAll(selector));
            $$$1(selectors).each(
                function () {
                    var $target = $$$1(this);
                    var data = $target.data(DATA_KEY);
                    var config = data ? 'toggle' : $trigger.data();

                    Collapse._jQueryInterface.call($target, config);
                }
            );
        }
    );
    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     */

    $$$1.fn[NAME] = Collapse._jQueryInterface;
    $$$1.fn[NAME].Constructor = Collapse;

    $$$1.fn[NAME].noConflict = function () {
        $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
        return Collapse._jQueryInterface;
    };

    return Collapse;
  }($);

  /**
   * !
   *
   * @fileOverview Kickass library to create and place poppers near their reference elements.
   * @version      1.14.3
   * @license
   * Copyright (c) 2016 Federico Zivolo and contributors
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined';

  var longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];
  var timeoutDuration = 0;
  for (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {
    if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {
        timeoutDuration = 1;
        break;
    }
  }

  function microtaskDebounce(fn)
  {
      var called = false;
      return function () {
        if (called) {
            return;
        }
        called = true;
        window.Promise.resolve().then(
            function () {
                called = false;
                fn();
            }
        );
      };
  }

  function taskDebounce(fn)
  {
      var scheduled = false;
      return function () {
        if (!scheduled) {
            scheduled = true;
            setTimeout(
                function () {
                    scheduled = false;
                    fn();
                }, timeoutDuration
            );
        }
      };
  }

  var supportsMicroTasks = isBrowser && window.Promise;

  /**
   * Create a debounced version of a method, that's asynchronously deferred
   * but called in the minimum time possible.
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Function} fn
   * @returns  {Function}
   */
  var debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;

  /**
   * Check if the given variable is a function
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Any} functionToCheck - variable to check
   * @returns  {Boolean} answer to: is a function?
   */
  function isFunction(functionToCheck)
  {
      var getType = {};
      return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';
  }

  /**
   * Get CSS computed property of the given element
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Eement} element
   * @argument {String} property
   */
  function getStyleComputedProperty(element, property)
  {
      if (element.nodeType !== 1) {
          return [];
      }
      // NOTE: 1 DOM access here
      var css = getComputedStyle(element, null);
      return property ? css[property] : css;
  }

  /**
   * Returns the parentNode or the host of the element
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @returns  {Element} parent
   */
  function getParentNode(element)
  {
      if (element.nodeName === 'HTML') {
          return element;
      }
      return element.parentNode || element.host;
  }

  /**
   * Returns the scrolling parent of the given element
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @returns  {Element} scroll parent
   */
  function getScrollParent(element)
  {
      // Return body, `getScroll` will take care to get the correct `scrollTop` from it
      if (!element) {
          return document.body;
      }

      switch (element.nodeName) {
      case 'HTML':
      case 'BODY':
          return element.ownerDocument.body;
      case '#document':
          return element.body;
      }

      // Firefox want us to check `-x` and `-y` variations as well

      var _getStyleComputedProp = getStyleComputedProperty(element),
        overflow = _getStyleComputedProp.overflow,
        overflowX = _getStyleComputedProp.overflowX,
        overflowY = _getStyleComputedProp.overflowY;

      if (/(auto|scroll|overlay)/.test(overflow + overflowY + overflowX)) {
          return element;
      }

      return getScrollParent(getParentNode(element));
  }

  var isIE11 = isBrowser && !!(window.MSInputMethodContext && document.documentMode);
  var isIE10 = isBrowser && /MSIE 10/.test(navigator.userAgent);

  /**
   * Determines if the browser is Internet Explorer
   *
   * @method
   * @memberof Popper.Utils
   * @param    {Number} version to check
   * @returns  {Boolean} isIE
   */
  function isIE(version)
  {
      if (version === 11) {
          return isIE11;
      }
      if (version === 10) {
          return isIE10;
      }
      return isIE11 || isIE10;
  }

  /**
   * Returns the offset parent of the given element
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @returns  {Element} offset parent
   */
  function getOffsetParent(element)
  {
      if (!element) {
          return document.documentElement;
      }

      var noOffsetParent = isIE(10) ? document.body : null;

      // NOTE: 1 DOM access here
      var offsetParent = element.offsetParent;
      // Skip hidden elements which don't have an offsetParent
      while (offsetParent === noOffsetParent && element.nextElementSibling) {
          offsetParent = (element = element.nextElementSibling).offsetParent;
      }

      var nodeName = offsetParent && offsetParent.nodeName;

      if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {
          return element ? element.ownerDocument.documentElement : document.documentElement;
      }

      // .offsetParent will return the closest TD or TABLE in case
      // no offsetParent is present, I hate this job...
      if (['TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {
          return getOffsetParent(offsetParent);
      }

      return offsetParent;
  }

  function isOffsetContainer(element)
  {
      var nodeName = element.nodeName;

      if (nodeName === 'BODY') {
          return false;
      }
      return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;
  }

  /**
   * Finds the root node (document, shadowDOM root) of the given element
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} node
   * @returns  {Element} root node
   */
  function getRoot(node)
  {
      if (node.parentNode !== null) {
          return getRoot(node.parentNode);
      }

      return node;
  }

  /**
   * Finds the offset parent common to the two provided nodes
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element1
   * @argument {Element} element2
   * @returns  {Element} common offset parent
   */
  function findCommonOffsetParent(element1, element2)
  {
      // This check is needed to avoid errors in case one of the elements isn't defined for any reason
      if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {
          return document.documentElement;
      }

      // Here we make sure to give as "start" the element that comes first in the DOM
      var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;
      var start = order ? element1 : element2;
      var end = order ? element2 : element1;

      // Get common ancestor container
      var range = document.createRange();
      range.setStart(start, 0);
      range.setEnd(end, 0);
      var commonAncestorContainer = range.commonAncestorContainer;

      // Both nodes are inside #document

      if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {
          if (isOffsetContainer(commonAncestorContainer)) {
              return commonAncestorContainer;
          }

          return getOffsetParent(commonAncestorContainer);
      }

      // one of the nodes is inside shadowDOM, find which one
      var element1root = getRoot(element1);
      if (element1root.host) {
          return findCommonOffsetParent(element1root.host, element2);
      } else {
          return findCommonOffsetParent(element1, getRoot(element2).host);
      }
  }

  /**
   * Gets the scroll value of the given element in the given side (top and left)
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @argument {String} side `top` or `left`
   * @returns  {number} amount of scrolled pixels
   */
  function getScroll(element)
  {
      var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';

      var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';
      var nodeName = element.nodeName;

      if (nodeName === 'BODY' || nodeName === 'HTML') {
          var html = element.ownerDocument.documentElement;
          var scrollingElement = element.ownerDocument.scrollingElement || html;
          return scrollingElement[upperSide];
      }

      return element[upperSide];
  }

  /*
   * Sum or subtract the element scroll values (left and top) from a given rect object
   * @method
   * @memberof Popper.Utils
   * @param {Object} rect - Rect object you want to change
   * @param {HTMLElement} element - The element from the function reads the scroll values
   * @param {Boolean} subtract - set to true if you want to subtract the scroll values
   * @return {Object} rect - The modifier rect object
   */
  function includeScroll(rect, element)
  {
      var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

      var scrollTop = getScroll(element, 'top');
      var scrollLeft = getScroll(element, 'left');
      var modifier = subtract ? -1 : 1;
      rect.top += scrollTop * modifier;
      rect.bottom += scrollTop * modifier;
      rect.left += scrollLeft * modifier;
      rect.right += scrollLeft * modifier;
      return rect;
  }

  /*
   * Helper to detect borders of a given element
   * @method
   * @memberof Popper.Utils
   * @param {CSSStyleDeclaration} styles
   * Result of `getStyleComputedProperty` on the given element
   * @param {String} axis - `x` or `y`
   * @return {number} borders - The borders size of the given axis
   */

  function getBordersSize(styles, axis)
  {
      var sideA = axis === 'x' ? 'Left' : 'Top';
      var sideB = sideA === 'Left' ? 'Right' : 'Bottom';

      return parseFloat(styles['border' + sideA + 'Width'], 10) + parseFloat(styles['border' + sideB + 'Width'], 10);
  }

  function getSize(axis, body, html, computedStyle)
  {
      return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE(10) ? html['offset' + axis] + computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')] + computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')] : 0);
  }

  function getWindowSizes()
  {
      var body = document.body;
      var html = document.documentElement;
      var computedStyle = isIE(10) && getComputedStyle(html);

      return {
            height: getSize('Height', body, html, computedStyle),
            width: getSize('Width', body, html, computedStyle)
        };
  }

  var classCallCheck = function (instance, Constructor) {
    if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function");
    }
  };

  var createClass = function () {
    function defineProperties(target, props)
    {
        for (var i = 0; i < props.length; i++) {
            var descriptor = props[i];
            descriptor.enumerable = descriptor.enumerable || false;
            descriptor.configurable = true;
            if ("value" in descriptor) descriptor.writable = true;
            Object.defineProperty(target, descriptor.key, descriptor);
        }
    }

    return function (Constructor, protoProps, staticProps) {
        if (protoProps) defineProperties(Constructor.prototype, protoProps);
        if (staticProps) defineProperties(Constructor, staticProps);
        return Constructor;
    };
  }();





  var defineProperty = function (obj, key, value) {
    if (key in obj) {
        Object.defineProperty(
            obj, key, {
                value: value,
                enumerable: true,
                configurable: true,
                writable: true
            }
        );
    } else {
        obj[key] = value;
    }

    return obj;
  };

  var _extends = Object.assign || function (target) {
    for (var i = 1; i < arguments.length; i++) {
        var source = arguments[i];

        for (var key in source) {
            if (Object.prototype.hasOwnProperty.call(source, key)) {
                target[key] = source[key];
            }
        }
    }

    return target;
  };

  /**
   * Given element offsets, generate an output similar to getBoundingClientRect
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Object} offsets
   * @returns  {Object} ClientRect like output
   */
  function getClientRect(offsets)
  {
    return _extends(
        {}, offsets, {
            right: offsets.left + offsets.width,
            bottom: offsets.top + offsets.height
        }
    );
  }

  /**
   * Get bounding client rect of given element
   *
   * @method
   * @memberof Popper.Utils
   * @param    {HTMLElement} element
   * @return   {Object} client rect
   */
  function getBoundingClientRect(element)
  {
      var rect = {};

      // IE10 10 FIX: Please, don't ask, the element isn't
      // considered in DOM in some circumstances...
      // This isn't reproducible in IE10 compatibility mode of IE11
      try {
          if (isIE(10)) {
              rect = element.getBoundingClientRect();
              var scrollTop = getScroll(element, 'top');
              var scrollLeft = getScroll(element, 'left');
              rect.top += scrollTop;
              rect.left += scrollLeft;
              rect.bottom += scrollTop;
              rect.right += scrollLeft;
          } else {
              rect = element.getBoundingClientRect();
          }
      } catch (e) {}

      var result = {
            left: rect.left,
            top: rect.top,
            width: rect.right - rect.left,
            height: rect.bottom - rect.top
        };

        // subtract scrollbar size from sizes
        var sizes = element.nodeName === 'HTML' ? getWindowSizes() : {};
        var width = sizes.width || element.clientWidth || result.right - result.left;
        var height = sizes.height || element.clientHeight || result.bottom - result.top;

        var horizScrollbar = element.offsetWidth - width;
        var vertScrollbar = element.offsetHeight - height;

        // if an hypothetical scrollbar is detected, we must be sure it's not a `border`
        // we make this check conditional for performance reasons
        if (horizScrollbar || vertScrollbar) {
            var styles = getStyleComputedProperty(element);
            horizScrollbar -= getBordersSize(styles, 'x');
            vertScrollbar -= getBordersSize(styles, 'y');

            result.width -= horizScrollbar;
            result.height -= vertScrollbar;
        }

        return getClientRect(result);
  }

  function getOffsetRectRelativeToArbitraryNode(children, parent)
  {
      var fixedPosition = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

      var isIE10 = isIE(10);
      var isHTML = parent.nodeName === 'HTML';
      var childrenRect = getBoundingClientRect(children);
      var parentRect = getBoundingClientRect(parent);
      var scrollParent = getScrollParent(children);

      var styles = getStyleComputedProperty(parent);
      var borderTopWidth = parseFloat(styles.borderTopWidth, 10);
      var borderLeftWidth = parseFloat(styles.borderLeftWidth, 10);

      // In cases where the parent is fixed, we must ignore negative scroll in offset calc
      if (fixedPosition && parent.nodeName === 'HTML') {
          parentRect.top = Math.max(parentRect.top, 0);
          parentRect.left = Math.max(parentRect.left, 0);
      }
      var offsets = getClientRect(
        {
            top: childrenRect.top - parentRect.top - borderTopWidth,
            left: childrenRect.left - parentRect.left - borderLeftWidth,
            width: childrenRect.width,
            height: childrenRect.height
        }
      );
      offsets.marginTop = 0;
      offsets.marginLeft = 0;

      // Subtract margins of documentElement in case it's being used as parent
      // we do this only on HTML because it's the only element that behaves
      // differently when margins are applied to it. The margins are included in
      // the box of the documentElement, in the other cases not.
      if (!isIE10 && isHTML) {
          var marginTop = parseFloat(styles.marginTop, 10);
          var marginLeft = parseFloat(styles.marginLeft, 10);

          offsets.top -= borderTopWidth - marginTop;
          offsets.bottom -= borderTopWidth - marginTop;
          offsets.left -= borderLeftWidth - marginLeft;
          offsets.right -= borderLeftWidth - marginLeft;

          // Attach marginTop and marginLeft because in some circumstances we may need them
          offsets.marginTop = marginTop;
          offsets.marginLeft = marginLeft;
      }

      if (isIE10 && !fixedPosition ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {
          offsets = includeScroll(offsets, parent);
      }

      return offsets;
  }

  function getViewportOffsetRectRelativeToArtbitraryNode(element)
  {
      var excludeScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

      var html = element.ownerDocument.documentElement;
      var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);
      var width = Math.max(html.clientWidth, window.innerWidth || 0);
      var height = Math.max(html.clientHeight, window.innerHeight || 0);

      var scrollTop = !excludeScroll ? getScroll(html) : 0;
      var scrollLeft = !excludeScroll ? getScroll(html, 'left') : 0;

      var offset = {
            top: scrollTop - relativeOffset.top + relativeOffset.marginTop,
            left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,
            width: width,
            height: height
        };

        return getClientRect(offset);
  }

  /**
   * Check if the given element is fixed or is inside a fixed parent
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @argument {Element} customContainer
   * @returns  {Boolean} answer to "isFixed?"
   */
  function isFixed(element)
  {
      var nodeName = element.nodeName;
      if (nodeName === 'BODY' || nodeName === 'HTML') {
          return false;
      }
      if (getStyleComputedProperty(element, 'position') === 'fixed') {
          return true;
      }
      return isFixed(getParentNode(element));
  }

  /**
   * Finds the first parent of an element that has a transformed property defined
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @returns  {Element} first transformed parent or documentElement
   */

  function getFixedPositionOffsetParent(element)
  {
      // This check is needed to avoid errors in case one of the elements isn't defined for any reason
      if (!element || !element.parentElement || isIE()) {
          return document.documentElement;
      }
      var el = element.parentElement;
      while (el && getStyleComputedProperty(el, 'transform') === 'none') {
          el = el.parentElement;
      }
      return el || document.documentElement;
  }

  /**
   * Computed the boundaries limits and return them
   *
   * @method
   * @memberof Popper.Utils
   * @param    {HTMLElement} popper
   * @param    {HTMLElement} reference
   * @param    {number} padding
   * @param    {HTMLElement} boundariesElement - Element used to define the boundaries
   * @param    {Boolean} fixedPosition - Is in fixed position mode
   * @returns  {Object} Coordinates of the boundaries
   */
  function getBoundaries(popper, reference, padding, boundariesElement)
  {
      var fixedPosition = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;

      // NOTE: 1 DOM access here

      var boundaries = { top: 0, left: 0 };
      var offsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference);

      // Handle viewport case
      if (boundariesElement === 'viewport') {
          boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent, fixedPosition);
      } else {
          // Handle other cases based on DOM element used as boundaries
          var boundariesNode = void 0;
          if (boundariesElement === 'scrollParent') {
              boundariesNode = getScrollParent(getParentNode(reference));
              if (boundariesNode.nodeName === 'BODY') {
                  boundariesNode = popper.ownerDocument.documentElement;
              }
          } else if (boundariesElement === 'window') {
              boundariesNode = popper.ownerDocument.documentElement;
          } else {
              boundariesNode = boundariesElement;
          }

          var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent, fixedPosition);

          // In case of HTML, we need a different computation
          if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {
              var _getWindowSizes = getWindowSizes(),
              height = _getWindowSizes.height,
              width = _getWindowSizes.width;

              boundaries.top += offsets.top - offsets.marginTop;
              boundaries.bottom = height + offsets.top;
              boundaries.left += offsets.left - offsets.marginLeft;
              boundaries.right = width + offsets.left;
          } else {
              // for all the other DOM elements, this one is good
              boundaries = offsets;
          }
      }

      // Add paddings
      boundaries.left += padding;
      boundaries.top += padding;
      boundaries.right -= padding;
      boundaries.bottom -= padding;

      return boundaries;
  }

  function getArea(_ref)
  {
      var width = _ref.width,
        height = _ref.height;

      return width * height;
  }

  /**
   * Utility used to transform the `auto` placement to the placement with more
   * available space.
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {Object} The data object, properly modified
   */
  function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement)
  {
      var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;

      if (placement.indexOf('auto') === -1) {
          return placement;
      }

      var boundaries = getBoundaries(popper, reference, padding, boundariesElement);

      var rects = {
            top: {
                width: boundaries.width,
                height: refRect.top - boundaries.top
            },
            right: {
                width: boundaries.right - refRect.right,
                height: boundaries.height
            },
            bottom: {
                width: boundaries.width,
                height: boundaries.bottom - refRect.bottom
            },
            left: {
                width: refRect.left - boundaries.left,
                height: boundaries.height
            }
        };

        var sortedAreas = Object.keys(rects).map(
            function (key) {
                return _extends(
                    {
                        key: key
                    }, rects[key], {
                        area: getArea(rects[key])
                    }
                );
            }
        ).sort(
            function (a, b) {
                return b.area - a.area;
            }
        );

      var filteredAreas = sortedAreas.filter(
        function (_ref2) {
            var width = _ref2.width,
            height = _ref2.height;
            return width >= popper.clientWidth && height >= popper.clientHeight;
        }
      );

      var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;

      var variation = placement.split('-')[1];

      return computedPlacement + (variation ? '-' + variation : '');
  }

  /**
   * Get offsets to the reference element
   *
   * @method
   * @memberof Popper.Utils
   * @param    {Object} state
   * @param    {Element} popper - the popper element
   * @param    {Element} reference - the reference element (the popper will be relative to this)
   * @param    {Element} fixedPosition - is in fixed position mode
   * @returns  {Object} An object containing the offsets which will be applied to the popper
   */
  function getReferenceOffsets(state, popper, reference)
  {
      var fixedPosition = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;

      var commonOffsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference);
      return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent, fixedPosition);
  }

  /**
   * Get the outer sizes of the given element (offset size + margins)
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element
   * @returns  {Object} object containing width and height properties
   */
  function getOuterSizes(element)
  {
      var styles = getComputedStyle(element);
      var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom);
      var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight);
      var result = {
            width: element.offsetWidth + y,
            height: element.offsetHeight + x
        };
        return result;
  }

  /**
   * Get the opposite placement of the given one
   *
   * @method
   * @memberof Popper.Utils
   * @argument {String} placement
   * @returns  {String} flipped placement
   */
  function getOppositePlacement(placement)
  {
      var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };
      return placement.replace(
        /left|right|bottom|top/g, function (matched) {
            return hash[matched];
        }
      );
  }

  /**
   * Get offsets to the popper
   *
   * @method
   * @memberof Popper.Utils
   * @param    {Object} position - CSS position the Popper will get applied
   * @param    {HTMLElement} popper - the popper element
   * @param    {Object} referenceOffsets - the reference offsets (the popper will be relative to this)
   * @param    {String} placement - one of the valid placement options
   * @returns  {Object} popperOffsets - An object containing the offsets which will be applied to the popper
   */
  function getPopperOffsets(popper, referenceOffsets, placement)
  {
      placement = placement.split('-')[0];

      // Get popper node sizes
      var popperRect = getOuterSizes(popper);

      // Add position, width and height to our offsets object
      var popperOffsets = {
            width: popperRect.width,
            height: popperRect.height
        };

        // depending by the popper placement we have to compute its offsets slightly differently
        var isHoriz = ['right', 'left'].indexOf(placement) !== -1;
        var mainSide = isHoriz ? 'top' : 'left';
        var secondarySide = isHoriz ? 'left' : 'top';
        var measurement = isHoriz ? 'height' : 'width';
        var secondaryMeasurement = !isHoriz ? 'height' : 'width';

        popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;
        if (placement === secondarySide) {
            popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];
        } else {
            popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];
        }

        return popperOffsets;
  }

  /**
   * Mimics the `find` method of Array
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Array} arr
   * @argument prop
   * @argument value
   * @returns  index or -1
   */
  function find(arr, check)
  {
      // use native find if supported
      if (Array.prototype.find) {
          return arr.find(check);
      }

      // use `filter` to obtain the same behavior of `find`
      return arr.filter(check)[0];
  }

  /**
   * Return the index of the matching object
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Array} arr
   * @argument prop
   * @argument value
   * @returns  index or -1
   */
  function findIndex(arr, prop, value)
  {
      // use native findIndex if supported
      if (Array.prototype.findIndex) {
        return arr.findIndex(
            function (cur) {
                return cur[prop] === value;
            }
          );
      }

      // use `find` + `indexOf` if `findIndex` isn't supported
      var match = find(
        arr, function (obj) {
            return obj[prop] === value;
        }
      );
      return arr.indexOf(match);
  }

  /**
   * Loop trough the list of modifiers and run them in order,
   * each of them will then edit the data object.
   *
   * @method
   * @memberof Popper.Utils
   * @param    {dataObject} data
   * @param    {Array} modifiers
   * @param    {String} ends - Optional modifier name used as stopper
   * @returns  {dataObject}
   */
  function runModifiers(modifiers, data, ends)
  {
      var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));

      modifiersToRun.forEach(
        function (modifier) {
            if (modifier['function']) {
                // eslint-disable-line dot-notation
                console.warn('`modifier.function` is deprecated, use `modifier.fn`!');
            }
            var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation
            if (modifier.enabled && isFunction(fn)) {
                // Add properties to offsets to make them a complete clientRect object
                // we do this before each modifier to make sure the previous one doesn't
                // mess with these values
                data.offsets.popper = getClientRect(data.offsets.popper);
                data.offsets.reference = getClientRect(data.offsets.reference);

                data = fn(data, modifier);
            }
        }
      );

      return data;
  }

  /**
   * Updates the position of the popper, computing the new offsets and applying
   * the new style.<br />
   * Prefer `scheduleUpdate` over `update` because of performance reasons.
   *
   * @method
   * @memberof Popper
   */
  function update()
  {
      // if popper is destroyed, don't perform any further update
      if (this.state.isDestroyed) {
          return;
      }

      var data = {
            instance: this,
            styles: {},
            arrowStyles: {},
            attributes: {},
            flipped: false,
            offsets: {}
        };

        // compute reference element offsets
        data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference, this.options.positionFixed);

        // compute auto placement, store placement inside the data object,
        // modifiers will be able to edit `placement` if needed
        // and refer to originalPlacement to know the original value
        data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);

        // store the computed placement inside `originalPlacement`
        data.originalPlacement = data.placement;

        data.positionFixed = this.options.positionFixed;

        // compute the popper offsets
        data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);

        data.offsets.popper.position = this.options.positionFixed ? 'fixed' : 'absolute';

        // run the modifiers
        data = runModifiers(this.modifiers, data);

        // the first `update` will call `onCreate` callback
        // the other ones will call `onUpdate` callback
        if (!this.state.isCreated) {
            this.state.isCreated = true;
            this.options.onCreate(data);
        } else {
            this.options.onUpdate(data);
        }
  }

  /**
   * Helper used to know if the given modifier is enabled.
   *
   * @method
   * @memberof Popper.Utils
   * @returns  {Boolean}
   */
  function isModifierEnabled(modifiers, modifierName)
  {
      return modifiers.some(
        function (_ref) {
            var name = _ref.name,
            enabled = _ref.enabled;
            return enabled && name === modifierName;
        }
      );
  }

  /**
   * Get the prefixed supported property name
   *
   * @method
   * @memberof Popper.Utils
   * @argument {String} property (camelCase)
   * @returns  {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)
   */
  function getSupportedPropertyName(property)
  {
      var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];
      var upperProp = property.charAt(0).toUpperCase() + property.slice(1);

      for (var i = 0; i < prefixes.length; i++) {
          var prefix = prefixes[i];
          var toCheck = prefix ? '' + prefix + upperProp : property;
          if (typeof document.body.style[toCheck] !== 'undefined') {
              return toCheck;
          }
      }
      return null;
  }

  /**
   * Destroy the popper
   *
   * @method
   * @memberof Popper
   */
  function destroy()
  {
      this.state.isDestroyed = true;

      // touch DOM only if `applyStyle` modifier is enabled
      if (isModifierEnabled(this.modifiers, 'applyStyle')) {
          this.popper.removeAttribute('x-placement');
          this.popper.style.position = '';
          this.popper.style.top = '';
          this.popper.style.left = '';
          this.popper.style.right = '';
          this.popper.style.bottom = '';
          this.popper.style.willChange = '';
          this.popper.style[getSupportedPropertyName('transform')] = '';
      }

      this.disableEventListeners();

      // remove the popper if user explicity asked for the deletion on destroy
      // do not use `remove` because IE11 doesn't support it
      if (this.options.removeOnDestroy) {
          this.popper.parentNode.removeChild(this.popper);
      }
      return this;
  }

  /**
   * Get the window associated with the element
   *
   * @argument {Element} element
   * @returns  {Window}
   */
  function getWindow(element)
  {
      var ownerDocument = element.ownerDocument;
      return ownerDocument ? ownerDocument.defaultView : window;
  }

  function attachToScrollParents(scrollParent, event, callback, scrollParents)
  {
      var isBody = scrollParent.nodeName === 'BODY';
      var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;
      target.addEventListener(event, callback, { passive: true });

      if (!isBody) {
          attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);
      }
      scrollParents.push(target);
  }

  /**
   * Setup needed event listeners used to update the popper position
   *
   * @method
   * @memberof Popper.Utils
   * @private
   */
  function setupEventListeners(reference, options, state, updateBound)
  {
      // Resize event listener on window
      state.updateBound = updateBound;
      getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });

      // Scroll event listener on scroll parents
      var scrollElement = getScrollParent(reference);
      attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);
      state.scrollElement = scrollElement;
      state.eventsEnabled = true;

      return state;
  }

  /**
   * It will add resize/scroll events and start recalculating
   * position of the popper element when they are triggered.
   *
   * @method
   * @memberof Popper
   */
  function enableEventListeners()
  {
      if (!this.state.eventsEnabled) {
          this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);
      }
  }

  /**
   * Remove event listeners used to update the popper position
   *
   * @method
   * @memberof Popper.Utils
   * @private
   */
  function removeEventListeners(reference, state)
  {
      // Remove resize event listener on window
      getWindow(reference).removeEventListener('resize', state.updateBound);

      // Remove scroll event listener on scroll parents
      state.scrollParents.forEach(
        function (target) {
            target.removeEventListener('scroll', state.updateBound);
        }
      );

      // Reset state
      state.updateBound = null;
      state.scrollParents = [];
      state.scrollElement = null;
      state.eventsEnabled = false;
      return state;
  }

  /**
   * It will remove resize/scroll events and won't recalculate popper position
   * when they are triggered. It also won't trigger onUpdate callback anymore,
   * unless you call `update` method manually.
   *
   * @method
   * @memberof Popper
   */
  function disableEventListeners()
  {
      if (this.state.eventsEnabled) {
          cancelAnimationFrame(this.scheduleUpdate);
          this.state = removeEventListeners(this.reference, this.state);
      }
  }

  /**
   * Tells if a given input is a number
   *
   * @method
   * @memberof Popper.Utils
   * @param    {*} input to check
   * @return   {Boolean}
   */
  function isNumeric(n)
  {
      return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);
  }

  /**
   * Set the style to the given popper
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element - Element to apply the style to
   * @argument {Object} styles
   * Object with a list of properties and values which will be applied to the element
   */
  function setStyles(element, styles)
  {
      Object.keys(styles).forEach(
        function (prop) {
            var unit = '';
            // add unit if the value is numeric and is one of the following
            if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {
                unit = 'px';
            }
            element.style[prop] = styles[prop] + unit;
        }
      );
  }

  /**
   * Set the attributes to the given popper
   *
   * @method
   * @memberof Popper.Utils
   * @argument {Element} element - Element to apply the attributes to
   * @argument {Object} styles
   * Object with a list of properties and values which will be applied to the element
   */
  function setAttributes(element, attributes)
  {
      Object.keys(attributes).forEach(
        function (prop) {
            var value = attributes[prop];
            if (value !== false) {
                element.setAttribute(prop, attributes[prop]);
            } else {
                element.removeAttribute(prop);
            }
        }
      );
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by `update` method
   * @argument {Object} data.styles - List of style properties - values to apply to popper element
   * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {Object} The same data object
   */
  function applyStyle(data)
  {
      // any property present in `data.styles` will be applied to the popper,
      // in this way we can make the 3rd party modifiers add custom styles to it
      // Be aware, modifiers could override the properties defined in the previous
      // lines of this modifier!
      setStyles(data.instance.popper, data.styles);

      // any property present in `data.attributes` will be applied to the popper,
      // they will be set as HTML attributes of the element
      setAttributes(data.instance.popper, data.attributes);

      // if arrowElement is defined and arrowStyles has some properties
      if (data.arrowElement && Object.keys(data.arrowStyles).length) {
          setStyles(data.arrowElement, data.arrowStyles);
      }

      return data;
  }

  /**
   * Set the x-placement attribute before everything else because it could be used
   * to add margins to the popper margins needs to be calculated to get the
   * correct popper offsets.
   *
   * @method
   * @memberof Popper.modifiers
   * @param    {HTMLElement} reference - The reference element used to position the popper
   * @param    {HTMLElement} popper - The HTML element used as popper
   * @param    {Object} options - Popper.js options
   */
  function applyStyleOnLoad(reference, popper, options, modifierOptions, state)
  {
      // compute reference element offsets
      var referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed);

      // compute auto placement, store placement inside the data object,
      // modifiers will be able to edit `placement` if needed
      // and refer to originalPlacement to know the original value
      var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);

      popper.setAttribute('x-placement', placement);

      // Apply `position` to popper before anything else because
      // without the position applied we can't guarantee correct computations
      setStyles(popper, { position: options.positionFixed ? 'fixed' : 'absolute' });

      return options;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by `update` method
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {Object} The data object, properly modified
   */
  function computeStyle(data, options)
  {
      var x = options.x,
        y = options.y;
      var popper = data.offsets.popper;

      // Remove this legacy support in Popper.js v2

      var legacyGpuAccelerationOption = find(
        data.instance.modifiers, function (modifier) {
            return modifier.name === 'applyStyle';
        }
      ).gpuAcceleration;
      if (legacyGpuAccelerationOption !== undefined) {
          console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');
      }
      var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;

      var offsetParent = getOffsetParent(data.instance.popper);
      var offsetParentRect = getBoundingClientRect(offsetParent);

      // Styles
      var styles = {
            position: popper.position
        };

        // Avoid blurry text by using full pixel integers.
        // For pixel-perfect positioning, top/bottom prefers rounded
        // values, while left/right prefers floored values.
        var offsets = {
            left: Math.floor(popper.left),
            top: Math.round(popper.top),
            bottom: Math.round(popper.bottom),
            right: Math.floor(popper.right)
        };

        var sideA = x === 'bottom' ? 'top' : 'bottom';
        var sideB = y === 'right' ? 'left' : 'right';

        // if gpuAcceleration is set to `true` and transform is supported,
        //  we use `translate3d` to apply the position to the popper we
        // automatically use the supported prefixed version if needed
        var prefixedProperty = getSupportedPropertyName('transform');

        // now, let's make a step back and look at this code closely (wtf?)
        // If the content of the popper grows once it's been positioned, it
        // may happen that the popper gets misplaced because of the new content
        // overflowing its reference element
        // To avoid this problem, we provide two options (x and y), which allow
        // the consumer to define the offset origin.
        // If we position a popper on top of a reference element, we can set
        // `x` to `top` to make the popper grow towards its top instead of
        // its bottom.
        var left = void 0,
        top = void 0;
        if (sideA === 'bottom') {
            top = -offsetParentRect.height + offsets.bottom;
        } else {
            top = offsets.top;
        }
        if (sideB === 'right') {
            left = -offsetParentRect.width + offsets.right;
        } else {
            left = offsets.left;
        }
        if (gpuAcceleration && prefixedProperty) {
            styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';
            styles[sideA] = 0;
            styles[sideB] = 0;
            styles.willChange = 'transform';
        } else {
            // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties
            var invertTop = sideA === 'bottom' ? -1 : 1;
            var invertLeft = sideB === 'right' ? -1 : 1;
            styles[sideA] = top * invertTop;
            styles[sideB] = left * invertLeft;
            styles.willChange = sideA + ', ' + sideB;
        }

        // Attributes
        var attributes = {
            'x-placement': data.placement
        };

        // Update `data` attributes, styles and arrowStyles
        data.attributes = _extends({}, attributes, data.attributes);
        data.styles = _extends({}, styles, data.styles);
        data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);

        return data;
  }

  /**
   * Helper used to know if the given modifier depends from another one.<br />
   * It checks if the needed modifier is listed and enabled.
   *
   * @method
   * @memberof Popper.Utils
   * @param    {Array} modifiers - list of modifiers
   * @param    {String} requestingName - name of requesting modifier
   * @param    {String} requestedName - name of requested modifier
   * @returns  {Boolean}
   */
  function isModifierRequired(modifiers, requestingName, requestedName)
  {
      var requesting = find(
        modifiers, function (_ref) {
            var name = _ref.name;
            return name === requestingName;
        }
      );

      var isRequired = !!requesting && modifiers.some(
        function (modifier) {
            return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;
        }
      );

      if (!isRequired) {
          var _requesting = '`' + requestingName + '`';
          var requested = '`' + requestedName + '`';
          console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');
      }
      return isRequired;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {Object} The data object, properly modified
   */
  function arrow(data, options)
  {
      var _data$offsets$arrow;

      // arrow depends on keepTogether in order to work
      if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {
          return data;
      }

      var arrowElement = options.element;

      // if arrowElement is a string, suppose it's a CSS selector
      if (typeof arrowElement === 'string') {
          arrowElement = data.instance.popper.querySelector(arrowElement);

          // if arrowElement is not found, don't run the modifier
          if (!arrowElement) {
              return data;
          }
      } else {
          // if the arrowElement isn't a query selector we must check that the
          // provided DOM node is child of its popper node
          if (!data.instance.popper.contains(arrowElement)) {
              console.warn('WARNING: `arrow.element` must be child of its popper element!');
              return data;
          }
      }

      var placement = data.placement.split('-')[0];
      var _data$offsets = data.offsets,
        popper = _data$offsets.popper,
        reference = _data$offsets.reference;

      var isVertical = ['left', 'right'].indexOf(placement) !== -1;

      var len = isVertical ? 'height' : 'width';
      var sideCapitalized = isVertical ? 'Top' : 'Left';
      var side = sideCapitalized.toLowerCase();
      var altSide = isVertical ? 'left' : 'top';
      var opSide = isVertical ? 'bottom' : 'right';
      var arrowElementSize = getOuterSizes(arrowElement)[len];

      //
      // extends keepTogether behavior making sure the popper and its
      // reference have enough pixels in conjuction
      //

      // top/left side
      if (reference[opSide] - arrowElementSize < popper[side]) {
          data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);
      }
      // bottom/right side
      if (reference[side] + arrowElementSize > popper[opSide]) {
          data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];
      }
      data.offsets.popper = getClientRect(data.offsets.popper);

      // compute center of the popper
      var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;

      // Compute the sideValue using the updated popper offsets
      // take popper margin in account because we don't have this info available
      var css = getStyleComputedProperty(data.instance.popper);
      var popperMarginSide = parseFloat(css['margin' + sideCapitalized], 10);
      var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width'], 10);
      var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide;

      // prevent arrowElement from being placed not contiguously to its popper
      sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);

      data.arrowElement = arrowElement;
      data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow);

      return data;
  }

  /**
   * Get the opposite placement variation of the given one
   *
   * @method
   * @memberof Popper.Utils
   * @argument {String} placement variation
   * @returns  {String} flipped placement variation
   */
  function getOppositeVariation(variation)
  {
      if (variation === 'end') {
          return 'start';
      } else if (variation === 'start') {
          return 'end';
      }
      return variation;
  }

  /**
   * List of accepted placements to use as values of the `placement` option.<br />
   * Valid placements are:
   * - `auto`
   * - `top`
   * - `right`
   * - `bottom`
   * - `left`
   *
   * Each placement can have a variation from this list:
   * - `-start`
   * - `-end`
   *
   * Variations are interpreted easily if you think of them as the left to right
   * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`
   * is right.<br />
   * Vertically (`left` and `right`), `start` is top and `end` is bottom.
   *
   * Some valid examples are:
   * - `top-end` (on top of reference, right aligned)
   * - `right-start` (on right of reference, top aligned)
   * - `bottom` (on bottom, centered)
   * - `auto-right` (on the side with more space available, alignment depends by placement)
   *
   * @static
   * @type     {Array}
   * @enum     {String}
   * @readonly
   * @method   placements
   * @memberof Popper
   */
  var placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'];

  // Get rid of `auto` `auto-start` and `auto-end`
  var validPlacements = placements.slice(3);

  /**
   * Given an initial placement, returns all the subsequent placements
   * clockwise (or counter-clockwise).
   *
   * @method
   * @memberof Popper.Utils
   * @argument {String} placement - A valid placement (it accepts variations)
   * @argument {Boolean} counter - Set to true to walk the placements counterclockwise
   * @returns  {Array} placements including their variations
   */
  function clockwise(placement)
  {
      var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

      var index = validPlacements.indexOf(placement);
      var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));
      return counter ? arr.reverse() : arr;
  }

  var BEHAVIORS = {
        FLIP: 'flip',
        CLOCKWISE: 'clockwise',
        COUNTERCLOCKWISE: 'counterclockwise'
  };

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {Object} The data object, properly modified
   */
  function flip(data, options)
  {
    // if `inner` modifier is enabled, we can't use the `flip` modifier
    if (isModifierEnabled(data.instance.modifiers, 'inner')) {
        return data;
    }

    if (data.flipped && data.placement === data.originalPlacement) {
        // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides
        return data;
    }

    var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement, data.positionFixed);

    var placement = data.placement.split('-')[0];
    var placementOpposite = getOppositePlacement(placement);
    var variation = data.placement.split('-')[1] || '';

    var flipOrder = [];

    switch (options.behavior) {
    case BEHAVIORS.FLIP:
        flipOrder = [placement, placementOpposite];
        break;
    case BEHAVIORS.CLOCKWISE:
        flipOrder = clockwise(placement);
        break;
    case BEHAVIORS.COUNTERCLOCKWISE:
        flipOrder = clockwise(placement, true);
        break;
    default:
        flipOrder = options.behavior;
    }

    flipOrder.forEach(
        function (step, index) {
            if (placement !== step || flipOrder.length === index + 1) {
                return data;
            }

            placement = data.placement.split('-')[0];
            placementOpposite = getOppositePlacement(placement);

            var popperOffsets = data.offsets.popper;
            var refOffsets = data.offsets.reference;

            // using floor because the reference offsets may contain decimals we are not going to consider here
            var floor = Math.floor;
            var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);

            var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);
            var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);
            var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);
            var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);

            var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;

            // flip the variation if required
            var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
            var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);

            if (overlapsRef || overflowsBoundaries || flippedVariation) {
                // this boolean to detect any flip loop
                data.flipped = true;

                if (overlapsRef || overflowsBoundaries) {
                    placement = flipOrder[index + 1];
                }

                if (flippedVariation) {
                    variation = getOppositeVariation(variation);
                }

                data.placement = placement + (variation ? '-' + variation : '');

                // this object contains `position`, we want to preserve it along with
                // any additional property we may add in the future
                data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));

                data = runModifiers(data.instance.modifiers, data, 'flip');
            }
        }
    );
    return data;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {Object} The data object, properly modified
   */
  function keepTogether(data)
  {
      var _data$offsets = data.offsets,
        popper = _data$offsets.popper,
        reference = _data$offsets.reference;

      var placement = data.placement.split('-')[0];
      var floor = Math.floor;
      var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
      var side = isVertical ? 'right' : 'bottom';
      var opSide = isVertical ? 'left' : 'top';
      var measurement = isVertical ? 'width' : 'height';

      if (popper[side] < floor(reference[opSide])) {
          data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];
      }
      if (popper[opSide] > floor(reference[side])) {
          data.offsets.popper[opSide] = floor(reference[side]);
      }

      return data;
  }

  /**
   * Converts a string containing value + unit into a px value number
   *
   * @function
   * @memberof {modifiers~offset}
   * @private
   * @argument {String} str - Value + unit string
   * @argument {String} measurement - `height` or `width`
   * @argument {Object} popperOffsets
   * @argument {Object} referenceOffsets
   * @returns  {Number|String}
   * Value in pixels, or original string if no values were extracted
   */
  function toValue(str, measurement, popperOffsets, referenceOffsets)
  {
      // separate value from unit
      var split = str.match(/((?:\-|\+)?\d*\.?\d*)(.*)/);
      var value = +split[1];
      var unit = split[2];

      // If it's not a number it's an operator, I guess
      if (!value) {
          return str;
      }

      if (unit.indexOf('%') === 0) {
          var element = void 0;
          switch (unit) {
          case '%p':
              element = popperOffsets;
              break;
          case '%':
          case '%r':
          default:
              element = referenceOffsets;
          }

          var rect = getClientRect(element);
          return rect[measurement] / 100 * value;
      } else if (unit === 'vh' || unit === 'vw') {
          // if is a vh or vw, we calculate the size based on the viewport
          var size = void 0;
          if (unit === 'vh') {
              size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
          } else {
              size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);
          }
          return size / 100 * value;
      } else {
          // if is an explicit pixel unit, we get rid of the unit and keep the value
          // if is an implicit unit, it's px, and we return just the value
          return value;
      }
  }

  /**
   * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.
   *
   * @function
   * @memberof {modifiers~offset}
   * @private
   * @argument {String} offset
   * @argument {Object} popperOffsets
   * @argument {Object} referenceOffsets
   * @argument {String} basePlacement
   * @returns  {Array} a two cells array with x and y offsets in numbers
   */
  function parseOffset(offset, popperOffsets, referenceOffsets, basePlacement)
  {
      var offsets = [0, 0];

      // Use height if placement is left or right and index is 0 otherwise use width
      // in this way the first offset will use an axis and the second one
      // will use the other one
      var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;

      // Split the offset string to obtain a list of values and operands
      // The regex addresses values with the plus or minus sign in front (+10, -20, etc)
      var fragments = offset.split(/(\+|\-)/).map(
        function (frag) {
            return frag.trim();
        }
      );

      // Detect if the offset string contains a pair of values or a single one
      // they could be separated by comma or space
      var divider = fragments.indexOf(
        find(
            fragments, function (frag) {
                return frag.search(/,|\s/) !== -1;
            }
        )
      );

      if (fragments[divider] && fragments[divider].indexOf(',') === -1) {
          console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');
      }

      // If divider is found, we divide the list of values and operands to divide
      // them by ofset X and Y.
      var splitRegex = /\s*,\s*|\s+/;
      var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments];

      // Convert the values with units to absolute pixels to allow our computations
      ops = ops.map(
        function (op, index) {
            // Most of the units rely on the orientation of the popper
            var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';
            var mergeWithPrevious = false;
            return op
            // This aggregates any `+` or `-` sign that aren't considered operators
            // e.g.: 10 + +5 => [10, +, +5]
            .reduce(
                function (a, b) {
                    if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {
                        a[a.length - 1] = b;
                        mergeWithPrevious = true;
                        return a;
                    } else if (mergeWithPrevious) {
                        a[a.length - 1] += b;
                        mergeWithPrevious = false;
                        return a;
                    } else {
                        return a.concat(b);
                    }
                }, []
            )
            // Here we convert the string values into number values (in px)
            .map(
                function (str) {
                    return toValue(str, measurement, popperOffsets, referenceOffsets);
                }
            );
        }
      );

      // Loop trough the offsets arrays and execute the operations
      ops.forEach(
        function (op, index) {
            op.forEach(
                function (frag, index2) {
                    if (isNumeric(frag)) {
                        offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);
                    }
                }
            );
        }
      );
      return offsets;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @argument {Number|String} options.offset=0
   * The offset value as described in the modifier description
   * @returns  {Object} The data object, properly modified
   */
  function offset(data, _ref)
  {
      var offset = _ref.offset;
      var placement = data.placement,
        _data$offsets = data.offsets,
        popper = _data$offsets.popper,
        reference = _data$offsets.reference;

      var basePlacement = placement.split('-')[0];

      var offsets = void 0;
      if (isNumeric(+offset)) {
          offsets = [+offset, 0];
      } else {
          offsets = parseOffset(offset, popper, reference, basePlacement);
      }

      if (basePlacement === 'left') {
          popper.top += offsets[0];
          popper.left -= offsets[1];
      } else if (basePlacement === 'right') {
          popper.top += offsets[0];
          popper.left += offsets[1];
      } else if (basePlacement === 'top') {
          popper.left += offsets[0];
          popper.top -= offsets[1];
      } else if (basePlacement === 'bottom') {
          popper.left += offsets[0];
          popper.top += offsets[1];
      }

      data.popper = popper;
      return data;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by `update` method
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {Object} The data object, properly modified
   */
  function preventOverflow(data, options)
  {
      var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper);

      // If offsetParent is the reference element, we really want to
      // go one step up and use the next offsetParent as reference to
      // avoid to make this modifier completely useless and look like broken
      if (data.instance.reference === boundariesElement) {
          boundariesElement = getOffsetParent(boundariesElement);
      }

      // NOTE: DOM access here
      // resets the popper's position so that the document size can be calculated excluding
      // the size of the popper element itself
      var transformProp = getSupportedPropertyName('transform');
      var popperStyles = data.instance.popper.style; // assignment to help minification
      var top = popperStyles.top,
        left = popperStyles.left,
        transform = popperStyles[transformProp];

      popperStyles.top = '';
      popperStyles.left = '';
      popperStyles[transformProp] = '';

      var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement, data.positionFixed);

      // NOTE: DOM access here
      // restores the original style properties after the offsets have been computed
      popperStyles.top = top;
      popperStyles.left = left;
      popperStyles[transformProp] = transform;

      options.boundaries = boundaries;

      var order = options.priority;
      var popper = data.offsets.popper;

      var check = {
            primary: function primary(placement)
            {
                var value = popper[placement];
                if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {
                    value = Math.max(popper[placement], boundaries[placement]);
                }
                return defineProperty({}, placement, value);
            },
            secondary: function secondary(placement)
            {
                var mainSide = placement === 'right' ? 'left' : 'top';
                var value = popper[mainSide];
                if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {
                    value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));
                }
                return defineProperty({}, mainSide, value);
            }
        };

        order.forEach(
            function (placement) {
                var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';
                popper = _extends({}, popper, check[side](placement));
            }
        );

      data.offsets.popper = popper;

      return data;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by `update` method
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {Object} The data object, properly modified
   */
  function shift(data)
  {
      var placement = data.placement;
      var basePlacement = placement.split('-')[0];
      var shiftvariation = placement.split('-')[1];

      // if shift shiftvariation is specified, run the modifier
      if (shiftvariation) {
          var _data$offsets = data.offsets,
          reference = _data$offsets.reference,
          popper = _data$offsets.popper;

          var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;
          var side = isVertical ? 'left' : 'top';
          var measurement = isVertical ? 'width' : 'height';

          var shiftOffsets = {
                start: defineProperty({}, side, reference[side]),
                end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])
            };

            data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);
      }

      return data;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by update method
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {Object} The data object, properly modified
   */
  function hide(data)
  {
      if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {
          return data;
      }

      var refRect = data.offsets.reference;
      var bound = find(
        data.instance.modifiers, function (modifier) {
            return modifier.name === 'preventOverflow';
        }
      ).boundaries;

      if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {
          // Avoid unnecessary DOM access if visibility hasn't changed
          if (data.hide === true) {
              return data;
          }

          data.hide = true;
          data.attributes['x-out-of-boundaries'] = '';
      } else {
          // Avoid unnecessary DOM access if visibility hasn't changed
          if (data.hide === false) {
              return data;
          }

          data.hide = false;
          data.attributes['x-out-of-boundaries'] = false;
      }

      return data;
  }

  /**
   * @function
   * @memberof Modifiers
   * @argument {Object} data - The data object generated by `update` method
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {Object} The data object, properly modified
   */
  function inner(data)
  {
      var placement = data.placement;
      var basePlacement = placement.split('-')[0];
      var _data$offsets = data.offsets,
        popper = _data$offsets.popper,
        reference = _data$offsets.reference;

      var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;

      var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;

      popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);

      data.placement = getOppositePlacement(placement);
      data.offsets.popper = getClientRect(popper);

      return data;
  }

  /**
   * Modifier function, each modifier can have a function of this type assigned
   * to its `fn` property.<br />
   * These functions will be called on each update, this means that you must
   * make sure they are performant enough to avoid performance bottlenecks.
   *
   * @function ModifierFn
   * @argument {dataObject} data - The data object generated by `update` method
   * @argument {Object} options - Modifiers configuration and options
   * @returns  {dataObject} The data object, properly modified
   */

  /**
   * Modifiers are plugins used to alter the behavior of your poppers.<br />
   * Popper.js uses a set of 9 modifiers to provide all the basic functionalities
   * needed by the library.
   *
   * Usually you don't want to override the `order`, `fn` and `onLoad` props.
   * All the other properties are configurations that could be tweaked.
   *
   * @namespace modifiers
   */
  var modifiers = {
        /**
         * Modifier used to shift the popper on the start or end of its reference
         * element.<br />
         * It will read the variation of the `placement` property.<br />
         * It can be one either `-end` or `-start`.
         *
         * @memberof modifiers
         * @inner
         */
        shift: {
            /**
             * @prop {number} order=100 - Index used to define the order of execution 
             */
            order: 100,
            /**
             * @prop {Boolean} enabled=true - Whether the modifier is enabled or not 
             */
            enabled: true,
            /**
             * @prop {ModifierFn} 
             */
            fn: shift
        },

        /**
         * The `offset` modifier can shift your popper on both its axis.
         *
         * It accepts the following units:
         * - `px` or unitless, interpreted as pixels
         * - `%` or `%r`, percentage relative to the length of the reference element
         * - `%p`, percentage relative to the length of the popper element
         * - `vw`, CSS viewport width unit
         * - `vh`, CSS viewport height unit
         *
         * For length is intended the main axis relative to the placement of the popper.<br />
         * This means that if the placement is `top` or `bottom`, the length will be the
         * `width`. In case of `left` or `right`, it will be the height.
         *
         * You can provide a single value (as `Number` or `String`), or a pair of values
         * as `String` divided by a comma or one (or more) white spaces.<br />
         * The latter is a deprecated method because it leads to confusion and will be
         * removed in v2.<br />
         * Additionally, it accepts additions and subtractions between different units.
         * Note that multiplications and divisions aren't supported.
         *
         * Valid examples are:
         * ```
         * 10
         * '10%'
         * '10, 10'
         * '10%, 10'
         * '10 + 10%'
         * '10 - 5vh + 3%'
         * '-10px + 5vh, 5px - 6%'
         * ```
         * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap
         * > with their reference element, unfortunately, you will have to disable the `flip` modifier.
         * > More on this [reading this issue](https://github.com/FezVrasta/popper.js/issues/373)
         *
         * @memberof modifiers
         * @inner
         */
        offset: {
            /**
             * @prop {number} order=200 - Index used to define the order of execution 
             */
            order: 200,
            /**
             * @prop {Boolean} enabled=true - Whether the modifier is enabled or not 
             */
            enabled: true,
            /**
             * @prop {ModifierFn} 
             */
            fn: offset,
            /**
             * @prop {Number|String} offset=0
             * The offset value as described in the modifier description
             */
            offset: 0
        },

        /**
         * Modifier used to prevent the popper from being positioned outside the boundary.
         *
         * An scenario exists where the reference itself is not within the boundaries.<br />
         * We can say it has "escaped the boundaries" — or just "escaped".<br />
         * In this case we need to decide whether the popper should either:
         *
         * - detach from the reference and remain "trapped" in the boundaries, or
         * - if it should ignore the boundary and "escape with its reference"
         *
         * When `escapeWithReference` is set to`true` and reference is completely
         * outside its boundaries, the popper will overflow (or completely leave)
         * the boundaries in order to remain attached to the edge of the reference.
         *
         * @memberof modifiers
         * @inner
         */
        preventOverflow: {
            /**
             * @prop {number} order=300 - Index used to define the order of execution 
             */
            order: 300,
            /**
             * @prop {Boolean} enabled=true - Whether the modifier is enabled or not 
             */
            enabled: true,
            /**
             * @prop {ModifierFn} 
             */
            fn: preventOverflow,
            /**
             * @prop {Array} [priority=['left','right','top','bottom']]
             * Popper will try to prevent overflow following these priorities by default,
             * then, it could overflow on the left and on top of the `boundariesElement`
             */
            priority: ['left', 'right', 'top', 'bottom'],
            /**
             * @prop {number} padding=5
             * Amount of pixel used to define a minimum distance between the boundaries
             * and the popper this makes sure the popper has always a little padding
             * between the edges of its container
             */
            padding: 5,
            /**
             * @prop {String|HTMLElement} boundariesElement='scrollParent'
             * Boundaries used by the modifier, can be `scrollParent`, `window`,
             * `viewport` or any DOM element.
             */
            boundariesElement: 'scrollParent'
        },

        /**
         * Modifier used to make sure the reference and its popper stay near eachothers
         * without leaving any gap between the two. Expecially useful when the arrow is
         * enabled and you want to assure it to point to its reference element.
         * It cares only about the first axis, you can still have poppers with margin
         * between the popper and its reference element.
         *
         * @memberof modifiers
         * @inner
         */
        keepTogether: {
            /**
             * @prop {number} order=400 - Index used to define the order of execution 
             */
            order: 400,
            /**
             * @prop {Boolean} enabled=true - Whether the modifier is enabled or not 
             */
            enabled: true,
            /**
             * @prop {ModifierFn} 
             */
            fn: keepTogether
        },

        /**
         * This modifier is used to move the `arrowElement` of the popper to make
         * sure it is positioned between the reference element and its popper element.
         * It will read the outer size of the `arrowElement` node to detect how many
         * pixels of conjuction are needed.
         *
         * It has no effect if no `arrowElement` is provided.
         *
         * @memberof modifiers
         * @inner
         */
        arrow: {
            /**
             * @prop {number} order=500 - Index used to define the order of execution 
             */
            order: 500,
            /**
             * @prop {Boolean} enabled=true - Whether the modifier is enabled or not 
             */
            enabled: true,
            /**
             * @prop {ModifierFn} 
             */
            fn: arrow,
            /**
             * @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow 
             */
            element: '[x-arrow]'
        },

        /**
         * Modifier used to flip the popper's placement when it starts to overlap its
         * reference element.
         *
         * Requires the `preventOverflow` modifier before it in order to work.
         *
         * **NOTE:** this modifier will interrupt the current update cycle and will
         * restart it if it detects the need to flip the placement.
         *
         * @memberof modifiers
         * @inner
         */
        flip: {
            /**
             * @prop {number} order=600 - Index used to define the order of execution 
             */
            order: 600,
            /**
             * @prop {Boolean} enabled=true - Whether the modifier is enabled or not 
             */
            enabled: true,
            /**
             * @prop {ModifierFn} 
             */
            fn: flip,
            /**
             * @prop {String|Array} behavior='flip'
             * The behavior used to change the popper's placement. It can be one of
             * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid
             * placements (with optional variations).
             */
            behavior: 'flip',
            /**
             * @prop {number} padding=5
             * The popper will flip if it hits the edges of the `boundariesElement`
             */
            padding: 5,
            /**
             * @prop {String|HTMLElement} boundariesElement='viewport'
             * The element which will define the boundaries of the popper position,
             * the popper will never be placed outside of the defined boundaries
             * (except if keepTogether is enabled)
             */
            boundariesElement: 'viewport'
        },

        /**
         * Modifier used to make the popper flow toward the inner of the reference element.
         * By default, when this modifier is disabled, the popper will be placed outside
         * the reference element.
         *
         * @memberof modifiers
         * @inner
         */
        inner: {
            /**
             * @prop {number} order=700 - Index used to define the order of execution 
             */
            order: 700,
            /**
             * @prop {Boolean} enabled=false - Whether the modifier is enabled or not 
             */
            enabled: false,
            /**
             * @prop {ModifierFn} 
             */
            fn: inner
        },

        /**
         * Modifier used to hide the popper when its reference element is outside of the
         * popper boundaries. It will set a `x-out-of-boundaries` attribute which can
         * be used to hide with a CSS selector the popper when its reference is
         * out of boundaries.
         *
         * Requires the `preventOverflow` modifier before it in order to work.
         *
         * @memberof modifiers
         * @inner
         */
        hide: {
            /**
             * @prop {number} order=800 - Index used to define the order of execution 
             */
            order: 800,
            /**
             * @prop {Boolean} enabled=true - Whether the modifier is enabled or not 
             */
            enabled: true,
            /**
             * @prop {ModifierFn} 
             */
            fn: hide
        },

        /**
         * Computes the style that will be applied to the popper element to gets
         * properly positioned.
         *
         * Note that this modifier will not touch the DOM, it just prepares the styles
         * so that `applyStyle` modifier can apply it. This separation is useful
         * in case you need to replace `applyStyle` with a custom implementation.
         *
         * This modifier has `850` as `order` value to maintain backward compatibility
         * with previous versions of Popper.js. Expect the modifiers ordering method
         * to change in future major versions of the library.
         *
         * @memberof modifiers
         * @inner
         */
        computeStyle: {
            /**
             * @prop {number} order=850 - Index used to define the order of execution 
             */
            order: 850,
            /**
             * @prop {Boolean} enabled=true - Whether the modifier is enabled or not 
             */
            enabled: true,
            /**
             * @prop {ModifierFn} 
             */
            fn: computeStyle,
            /**
             * @prop {Boolean} gpuAcceleration=true
             * If true, it uses the CSS 3d transformation to position the popper.
             * Otherwise, it will use the `top` and `left` properties.
             */
            gpuAcceleration: true,
            /**
             * @prop {string} [x='bottom']
             * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.
             * Change this if your popper should grow in a direction different from `bottom`
             */
            x: 'bottom',
            /**
             * @prop {string} [x='left']
             * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.
             * Change this if your popper should grow in a direction different from `right`
             */
            y: 'right'
        },

        /**
         * Applies the computed styles to the popper element.
         *
         * All the DOM manipulations are limited to this modifier. This is useful in case
         * you want to integrate Popper.js inside a framework or view library and you
         * want to delegate all the DOM manipulations to it.
         *
         * Note that if you disable this modifier, you must make sure the popper element
         * has its position set to `absolute` before Popper.js can do its work!
         *
         * Just disable this modifier and define you own to achieve the desired effect.
         *
         * @memberof modifiers
         * @inner
         */
        applyStyle: {
            /**
             * @prop {number} order=900 - Index used to define the order of execution 
             */
            order: 900,
            /**
             * @prop {Boolean} enabled=true - Whether the modifier is enabled or not 
             */
            enabled: true,
            /**
             * @prop {ModifierFn} 
             */
            fn: applyStyle,
            /**
             * @prop {Function} 
             */
            onLoad: applyStyleOnLoad,
            /**
             * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier
             * @prop       {Boolean} gpuAcceleration=true
             * If true, it uses the CSS 3d transformation to position the popper.
             * Otherwise, it will use the `top` and `left` properties.
             */
            gpuAcceleration: undefined
        }
  };

  /**
   * The `dataObject` is an object containing all the informations used by Popper.js
   * this object get passed to modifiers and to the `onCreate` and `onUpdate` callbacks.
   *
   * @name     dataObject
   * @property {Object} data.instance The Popper.js instance
   * @property {String} data.placement Placement applied to popper
   * @property {String} data.originalPlacement Placement originally defined on init
   * @property {Boolean} data.flipped True if popper has been flipped by flip modifier
   * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper.
   * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier
   * @property {Object} data.styles Any CSS property defined here will be applied to the popper, it expects the JavaScript nomenclature (eg. `marginBottom`)
   * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow, it expects the JavaScript nomenclature (eg. `marginBottom`)
   * @property {Object} data.boundaries Offsets of the popper boundaries
   * @property {Object} data.offsets The measurements of popper, reference and arrow elements.
   * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values
   * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values
   * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0
   */

  /**
   * Default options provided to Popper.js constructor.<br />
   * These can be overriden using the `options` argument of Popper.js.<br />
   * To override an option, simply pass as 3rd argument an object with the same
   * structure of this object, example:
   * ```
   * new Popper(ref, pop, {
   *   modifiers: {
   *     preventOverflow: { enabled: false }
   *   }
   * })
   * ```
   *
   * @type     {Object}
   * @static
   * @memberof Popper
   */
  var Defaults = {
        /**
         * Popper's placement
         *
         * @prop {Popper.placements} placement='bottom'
         */
        placement: 'bottom',

        /**
         * Set this to true if you want popper to position it self in 'fixed' mode
         *
         * @prop {Boolean} positionFixed=false
         */
        positionFixed: false,

        /**
         * Whether events (resize, scroll) are initially enabled
         *
         * @prop {Boolean} eventsEnabled=true
         */
        eventsEnabled: true,

        /**
         * Set to true if you want to automatically remove the popper when
         * you call the `destroy` method.
         *
         * @prop {Boolean} removeOnDestroy=false
         */
        removeOnDestroy: false,

        /**
         * Callback called when the popper is created.<br />
         * By default, is set to no-op.<br />
         * Access Popper.js instance with `data.instance`.
         *
         * @prop {onCreate}
         */
        onCreate: function onCreate()
        {},

        /**
         * Callback called when the popper is updated, this callback is not called
         * on the initialization/creation of the popper, but only on subsequent
         * updates.<br />
         * By default, is set to no-op.<br />
         * Access Popper.js instance with `data.instance`.
         *
         * @prop {onUpdate}
         */
        onUpdate: function onUpdate()
        {},

        /**
         * List of modifiers used to modify the offsets before they are applied to the popper.
         * They provide most of the functionalities of Popper.js
         *
         * @prop {modifiers}
         */
        modifiers: modifiers
  };

  /**
   * @callback onCreate
   * @param    {dataObject} data
   */

  /**
   * @callback onUpdate
   * @param    {dataObject} data
   */

  // Utils
  // Methods
  var Popper = function () {
    /**
     * Create a new Popper.js instance
     *
     * @class  Popper
     * @param  {HTMLElement|referenceObject} reference - The reference element used to position the popper
     * @param  {HTMLElement} popper - The HTML element used as popper.
     * @param  {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)
     * @return {Object} instance - The generated Popper.js instance
     */
    function Popper(reference, popper)
    {
        var _this = this;

        var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
        classCallCheck(this, Popper);

        this.scheduleUpdate = function () {
            return requestAnimationFrame(_this.update);
        };

        // make update() debounced, so that it only runs at most once-per-tick
        this.update = debounce(this.update.bind(this));

        // with {} we create a new object with the options inside it
        this.options = _extends({}, Popper.Defaults, options);

        // init state
        this.state = {
            isDestroyed: false,
            isCreated: false,
            scrollParents: []
        };

        // get reference and popper elements (allow jQuery wrappers)
        this.reference = reference && reference.jquery ? reference[0] : reference;
        this.popper = popper && popper.jquery ? popper[0] : popper;

        // Deep merge modifiers options
        this.options.modifiers = {};
        Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(
            function (name) {
                _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});
            }
        );

        // Refactoring modifiers' list (Object => Array)
        this.modifiers = Object.keys(this.options.modifiers).map(
            function (name) {
                return _extends(
                    {
                        name: name
                    }, _this.options.modifiers[name]
                );
            }
        )
        // sort the modifiers by order
        .sort(
            function (a, b) {
                return a.order - b.order;
            }
        );

        // modifiers have the ability to execute arbitrary code when Popper.js get inited
        // such code is executed in the same order of its modifier
        // they could add new properties to their options configuration
        // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!
        this.modifiers.forEach(
            function (modifierOptions) {
                if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {
                    modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);
                }
            }
        );

        // fire the first update to position the popper in the right place
        this.update();

        var eventsEnabled = this.options.eventsEnabled;
        if (eventsEnabled) {
            // setup event listeners, they will take care of update the position in specific situations
            this.enableEventListeners();
        }

        this.state.eventsEnabled = eventsEnabled;
    }

    // We can't use class properties because they don't get listed in the
    // class prototype and break stuff like Sinon stubs


    createClass(
        Popper, [{
            key: 'update',
            value: function update$$1()
            {
                return update.call(this);
            }
        }, {
            key: 'destroy',
            value: function destroy$$1()
            {
                return destroy.call(this);
            }
        }, {
            key: 'enableEventListeners',
            value: function enableEventListeners$$1()
            {
                return enableEventListeners.call(this);
            }
        }, {
            key: 'disableEventListeners',
            value: function disableEventListeners$$1()
            {
                return disableEventListeners.call(this);
            }

            /**
             * Schedule an update, it will run on the next UI update available
           *
             * @method   scheduleUpdate
             * @memberof Popper
             */


            /**
             * Collection of utilities useful when writing custom modifiers.
             * Starting from version 1.7, this method is available only if you
             * include `popper-utils.js` before `popper.js`.
             *
             * **DEPRECATION**: This way to access PopperUtils is deprecated
             * and will be removed in v2! Use the PopperUtils module directly instead.
             * Due to the high instability of the methods contained in Utils, we can't
             * guarantee them to follow semver. Use them at your own risk!
           *
             * @static
             * @private
             * @type       {Object}
             * @deprecated since version 1.8
             * @member     Utils
             * @memberof   Popper
             */

        }]
    );
    return Popper;
  }();

  /**
   * The `referenceObject` is an object that provides an interface compatible with Popper.js
   * and lets you use it as replacement of a real DOM node.<br />
   * You can use this method to position a popper relatively to a set of coordinates
   * in case you don't have a DOM node to use as reference.
   *
   * ```
   * new Popper(referenceObject, popperNode);
   * ```
   *
   * NB: This feature isn't supported in Internet Explorer 10
   *
   * @name     referenceObject
   * @property {Function} data.getBoundingClientRect
   * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.
   * @property {number} data.clientWidth
   * An ES6 getter that will return the width of the virtual reference element.
   * @property {number} data.clientHeight
   * An ES6 getter that will return the height of the virtual reference element.
   */


  Popper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;
  Popper.placements = placements;
  Popper.Defaults = Defaults;

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): dropdown.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var Dropdown = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'dropdown';
    var VERSION = '4.1.3';
    var DATA_KEY = 'bs.dropdown';
    var EVENT_KEY = "." + DATA_KEY;
    var DATA_API_KEY = '.data-api';
    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
    var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key

    var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key

    var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key

    var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key

    var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key

    var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)

    var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + "|" + ARROW_DOWN_KEYCODE + "|" + ESCAPE_KEYCODE);
    var Event = {
        HIDE: "hide" + EVENT_KEY,
        HIDDEN: "hidden" + EVENT_KEY,
        SHOW: "show" + EVENT_KEY,
        SHOWN: "shown" + EVENT_KEY,
        CLICK: "click" + EVENT_KEY,
        CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY,
        KEYDOWN_DATA_API: "keydown" + EVENT_KEY + DATA_API_KEY,
        KEYUP_DATA_API: "keyup" + EVENT_KEY + DATA_API_KEY
        };
        var ClassName = {
            DISABLED: 'disabled',
            SHOW: 'show',
            DROPUP: 'dropup',
            DROPRIGHT: 'dropright',
            DROPLEFT: 'dropleft',
            MENURIGHT: 'dropdown-menu-right',
            MENULEFT: 'dropdown-menu-left',
            POSITION_STATIC: 'position-static'
        };
        var Selector = {
            DATA_TOGGLE: '[data-toggle="dropdown"]',
            FORM_CHILD: '.dropdown form',
            MENU: '.dropdown-menu',
            NAVBAR_NAV: '.navbar-nav',
            VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'
        };
        var AttachmentMap = {
            TOP: 'top-start',
            TOPEND: 'top-end',
            BOTTOM: 'bottom-start',
            BOTTOMEND: 'bottom-end',
            RIGHT: 'right-start',
            RIGHTEND: 'right-end',
            LEFT: 'left-start',
            LEFTEND: 'left-end'
        };
        var Default = {
            offset: 0,
                flip: true,
                boundary: 'scrollParent',
                reference: 'toggle',
                display: 'dynamic'
    };
    var DefaultType = {
        offset: '(number|string|function)',
        flip: 'boolean',
        boundary: '(string|element)',
        reference: '(string|element)',
        display: 'string'
        /**
         * ------------------------------------------------------------------------
         * Class Definition
         * ------------------------------------------------------------------------
         */

    };

    var Dropdown =
    /*#__PURE__*/
    function () {
        function Dropdown(element, config)
        {
            this._element = element;
            this._popper = null;
            this._config = this._getConfig(config);
            this._menu = this._getMenuElement();
            this._inNavbar = this._detectNavbar();

            this._addEventListeners();
        } // Getters


        var _proto = Dropdown.prototype;

        // Public
        _proto.toggle = function toggle()
        {
            if (this._element.disabled || $$$1(this._element).hasClass(ClassName.DISABLED)) {
                return;
            }

            var parent = Dropdown._getParentFromElement(this._element);

            var isActive = $$$1(this._menu).hasClass(ClassName.SHOW);

            Dropdown._clearMenus();

            if (isActive) {
                return;
            }

            var relatedTarget = {
                relatedTarget: this._element
            };
            var showEvent = $$$1.Event(Event.SHOW, relatedTarget);
            $$$1(parent).trigger(showEvent);

            if (showEvent.isDefaultPrevented()) {
                return;
            } // Disable totally Popper.js for Dropdown in Navbar


            if (!this._inNavbar) {
                /**
                 * Check for Popper dependency
                 * Popper - https://popper.js.org
                 */
                if (typeof Popper === 'undefined') {
                    throw new TypeError('Bootstrap dropdown require Popper.js (https://popper.js.org)');
                }

                var referenceElement = this._element;

                if (this._config.reference === 'parent') {
                    referenceElement = parent;
                } else if (Util.isElement(this._config.reference)) {
                    referenceElement = this._config.reference; // Check if it's jQuery element

                    if (typeof this._config.reference.jquery !== 'undefined') {
                        referenceElement = this._config.reference[0];
                    }
                } // If boundary is not `scrollParent`, then set position to `static`
                // to allow the menu to "escape" the scroll parent's boundaries
                // https://github.com/twbs/bootstrap/issues/24251


                if (this._config.boundary !== 'scrollParent') {
                    $$$1(parent).addClass(ClassName.POSITION_STATIC);
                }

                this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig());
            } // If this is a touch-enabled device we add extra
            // empty mouseover listeners to the body's immediate children;
            // only needed because of broken event delegation on iOS
            // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html


            if ('ontouchstart' in document.documentElement && $$$1(parent).closest(Selector.NAVBAR_NAV).length === 0) {
                $$$1(document.body).children().on('mouseover', null, $$$1.noop);
            }

            this._element.focus();

            this._element.setAttribute('aria-expanded', true);

            $$$1(this._menu).toggleClass(ClassName.SHOW);
            $$$1(parent).toggleClass(ClassName.SHOW).trigger($$$1.Event(Event.SHOWN, relatedTarget));
        };

        _proto.dispose = function dispose()
        {
            $$$1.removeData(this._element, DATA_KEY);
            $$$1(this._element).off(EVENT_KEY);
            this._element = null;
            this._menu = null;

            if (this._popper !== null) {
                this._popper.destroy();

                this._popper = null;
            }
        };

        _proto.update = function update()
        {
            this._inNavbar = this._detectNavbar();

            if (this._popper !== null) {
                this._popper.scheduleUpdate();
            }
        }; // Private


        _proto._addEventListeners = function _addEventListeners()
        {
            var _this = this;

            $$$1(this._element).on(
                Event.CLICK, function (event) {
                    event.preventDefault();
                    event.stopPropagation();

                    _this.toggle();
                }
            );
        };

        _proto._getConfig = function _getConfig(config)
        {
            config = _objectSpread({}, this.constructor.Default, $$$1(this._element).data(), config);
            Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
            return config;
        };

        _proto._getMenuElement = function _getMenuElement()
        {
            if (!this._menu) {
                var parent = Dropdown._getParentFromElement(this._element);

                if (parent) {
                    this._menu = parent.querySelector(Selector.MENU);
                }
            }

            return this._menu;
        };

        _proto._getPlacement = function _getPlacement()
        {
            var $parentDropdown = $$$1(this._element.parentNode);
            var placement = AttachmentMap.BOTTOM; // Handle dropup

            if ($parentDropdown.hasClass(ClassName.DROPUP)) {
                placement = AttachmentMap.TOP;

                if ($$$1(this._menu).hasClass(ClassName.MENURIGHT)) {
                    placement = AttachmentMap.TOPEND;
                }
            } else if ($parentDropdown.hasClass(ClassName.DROPRIGHT)) {
                placement = AttachmentMap.RIGHT;
            } else if ($parentDropdown.hasClass(ClassName.DROPLEFT)) {
                placement = AttachmentMap.LEFT;
            } else if ($$$1(this._menu).hasClass(ClassName.MENURIGHT)) {
                placement = AttachmentMap.BOTTOMEND;
            }

            return placement;
        };

        _proto._detectNavbar = function _detectNavbar()
        {
            return $$$1(this._element).closest('.navbar').length > 0;
        };

        _proto._getPopperConfig = function _getPopperConfig()
        {
            var _this2 = this;

            var offsetConf = {};

            if (typeof this._config.offset === 'function') {
                offsetConf.fn = function (data) {
                    data.offsets = _objectSpread({}, data.offsets, _this2._config.offset(data.offsets) || {});
                    return data;
                };
            } else {
                offsetConf.offset = this._config.offset;
            }

            var popperConfig = {
                placement: this._getPlacement(),
                modifiers: {
                    offset: offsetConf,
                    flip: {
                        enabled: this._config.flip
                    },
                    preventOverflow: {
                        boundariesElement: this._config.boundary
                    }
                } // Disable Popper.js if we have a static display

            };

            if (this._config.display === 'static') {
                popperConfig.modifiers.applyStyle = {
                    enabled: false
                };
            }

            return popperConfig;
        }; // Static


        Dropdown._jQueryInterface = function _jQueryInterface(config)
        {
            return this.each(
                function () {
                    var data = $$$1(this).data(DATA_KEY);

                    var _config = typeof config === 'object' ? config : null;

                    if (!data) {
                        data = new Dropdown(this, _config);
                        $$$1(this).data(DATA_KEY, data);
                    }

                    if (typeof config === 'string') {
                        if (typeof data[config] === 'undefined') {
                            throw new TypeError("No method named \"" + config + "\"");
                        }

                        data[config]();
                    }
                }
            );
        };

        Dropdown._clearMenus = function _clearMenus(event)
        {
            if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
                return;
            }

            var toggles = [].slice.call(document.querySelectorAll(Selector.DATA_TOGGLE));

            for (var i = 0, len = toggles.length; i < len; i++) {
                var parent = Dropdown._getParentFromElement(toggles[i]);

                var context = $$$1(toggles[i]).data(DATA_KEY);
                var relatedTarget = {
                    relatedTarget: toggles[i]
                };

                if (event && event.type === 'click') {
                    relatedTarget.clickEvent = event;
                }

                if (!context) {
                    continue;
                }

                var dropdownMenu = context._menu;

                if (!$$$1(parent).hasClass(ClassName.SHOW)) {
                    continue;
                }

                if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $$$1.contains(parent, event.target)) {
                    continue;
                }

                var hideEvent = $$$1.Event(Event.HIDE, relatedTarget);
                $$$1(parent).trigger(hideEvent);

                if (hideEvent.isDefaultPrevented()) {
                    continue;
                } // If this is a touch-enabled device we remove the extra
                // empty mouseover listeners we added for iOS support


                if ('ontouchstart' in document.documentElement) {
                    $$$1(document.body).children().off('mouseover', null, $$$1.noop);
                }

                toggles[i].setAttribute('aria-expanded', 'false');
                $$$1(dropdownMenu).removeClass(ClassName.SHOW);
                $$$1(parent).removeClass(ClassName.SHOW).trigger($$$1.Event(Event.HIDDEN, relatedTarget));
            }
        };

        Dropdown._getParentFromElement = function _getParentFromElement(element)
        {
            var parent;
            var selector = Util.getSelectorFromElement(element);

            if (selector) {
                parent = document.querySelector(selector);
            }

            return parent || element.parentNode;
        }; // eslint-disable-next-line complexity


        Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event)
        {
            // If not input/textarea:
            //  - And not a key in REGEXP_KEYDOWN => not a dropdown command
            // If input/textarea:
            //  - If space key => not a dropdown command
            //  - If key is other than escape
            //    - If key is not up or down => not a dropdown command
            //    - If trigger inside the menu => not a dropdown command
            if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || $$$1(event.target).closest(Selector.MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {
                return;
            }

            event.preventDefault();
            event.stopPropagation();

            if (this.disabled || $$$1(this).hasClass(ClassName.DISABLED)) {
                return;
            }

            var parent = Dropdown._getParentFromElement(this);

            var isActive = $$$1(parent).hasClass(ClassName.SHOW);

            if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
                if (event.which === ESCAPE_KEYCODE) {
                    var toggle = parent.querySelector(Selector.DATA_TOGGLE);
                    $$$1(toggle).trigger('focus');
                }

                $$$1(this).trigger('click');
                return;
            }

            var items = [].slice.call(parent.querySelectorAll(Selector.VISIBLE_ITEMS));

            if (items.length === 0) {
                return;
            }

            var index = items.indexOf(event.target);

            if (event.which === ARROW_UP_KEYCODE && index > 0) {
                // Up
                index--;
            }

            if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
                // Down
                index++;
            }

            if (index < 0) {
                index = 0;
            }

            items[index].focus();
        };

        _createClass(
            Dropdown, null, [{
                key: "VERSION",
                get: function get()
                {
                    return VERSION;
                }
            }, {
                key: "Default",
                get: function get()
                {
                    return Default;
                }
            }, {
                key: "DefaultType",
                get: function get()
                {
                    return DefaultType;
                }
            }]
        );

        return Dropdown;
    }();
    /**
     * ------------------------------------------------------------------------
     * Data Api implementation
     * ------------------------------------------------------------------------
     */


    $$$1(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + " " + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(
        Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
            event.preventDefault();
            event.stopPropagation();

            Dropdown._jQueryInterface.call($$$1(this), 'toggle');
        }
    ).on(
        Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
                e.stopPropagation();
        }
    );
    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     */

    $$$1.fn[NAME] = Dropdown._jQueryInterface;
    $$$1.fn[NAME].Constructor = Dropdown;

    $$$1.fn[NAME].noConflict = function () {
        $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
        return Dropdown._jQueryInterface;
    };

    return Dropdown;
  }($, Popper);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): modal.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var Modal = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'modal';
    var VERSION = '4.1.3';
    var DATA_KEY = 'bs.modal';
    var EVENT_KEY = "." + DATA_KEY;
    var DATA_API_KEY = '.data-api';
    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
    var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key

    var Default = {
        backdrop: true,
            keyboard: true,
            focus: true,
            show: true
    };
    var DefaultType = {
        backdrop: '(boolean|string)',
        keyboard: 'boolean',
        focus: 'boolean',
        show: 'boolean'
    };
    var Event = {
        HIDE: "hide" + EVENT_KEY,
        HIDDEN: "hidden" + EVENT_KEY,
        SHOW: "show" + EVENT_KEY,
        SHOWN: "shown" + EVENT_KEY,
        FOCUSIN: "focusin" + EVENT_KEY,
        RESIZE: "resize" + EVENT_KEY,
        CLICK_DISMISS: "click.dismiss" + EVENT_KEY,
        KEYDOWN_DISMISS: "keydown.dismiss" + EVENT_KEY,
        MOUSEUP_DISMISS: "mouseup.dismiss" + EVENT_KEY,
        MOUSEDOWN_DISMISS: "mousedown.dismiss" + EVENT_KEY,
        CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
    };
    var ClassName = {
        SCROLLBAR_MEASURER: 'modal-scrollbar-measure',
        BACKDROP: 'modal-backdrop',
        OPEN: 'modal-open',
        FADE: 'fade',
        SHOW: 'show'
    };
    var Selector = {
        DIALOG: '.modal-dialog',
        DATA_TOGGLE: '[data-toggle="modal"]',
        DATA_DISMISS: '[data-dismiss="modal"]',
        FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
        STICKY_CONTENT: '.sticky-top'
        /**
         * ------------------------------------------------------------------------
         * Class Definition
         * ------------------------------------------------------------------------
         */

    };

    var Modal =
    /*#__PURE__*/
    function () {
        function Modal(element, config)
        {
            this._config = this._getConfig(config);
            this._element = element;
            this._dialog = element.querySelector(Selector.DIALOG);
            this._backdrop = null;
            this._isShown = false;
            this._isBodyOverflowing = false;
            this._ignoreBackdropClick = false;
            this._scrollbarWidth = 0;
        } // Getters


        var _proto = Modal.prototype;

        // Public
        _proto.toggle = function toggle(relatedTarget)
        {
            return this._isShown ? this.hide() : this.show(relatedTarget);
        };

        _proto.show = function show(relatedTarget)
        {
            var _this = this;

            if (this._isTransitioning || this._isShown) {
                return;
            }

            if ($$$1(this._element).hasClass(ClassName.FADE)) {
                this._isTransitioning = true;
            }

            var showEvent = $$$1.Event(
                Event.SHOW, {
                    relatedTarget: relatedTarget
                }
            );
            $$$1(this._element).trigger(showEvent);

            if (this._isShown || showEvent.isDefaultPrevented()) {
                return;
            }

            this._isShown = true;

            this._checkScrollbar();

            this._setScrollbar();

            this._adjustDialog();

            $$$1(document.body).addClass(ClassName.OPEN);

            this._setEscapeEvent();

            this._setResizeEvent();

            $$$1(this._element).on(
                Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
                    return _this.hide(event);
                }
            );
            $$$1(this._dialog).on(
                Event.MOUSEDOWN_DISMISS, function () {
                    $$$1(_this._element).one(
                        Event.MOUSEUP_DISMISS, function (event) {
                            if ($$$1(event.target).is(_this._element)) {
                                _this._ignoreBackdropClick = true;
                            }
                        }
                    );
                }
            );

            this._showBackdrop(
                function () {
                    return _this._showElement(relatedTarget);
                }
            );
        };

        _proto.hide = function hide(event)
        {
            var _this2 = this;

            if (event) {
                event.preventDefault();
            }

            if (this._isTransitioning || !this._isShown) {
                return;
            }

            var hideEvent = $$$1.Event(Event.HIDE);
            $$$1(this._element).trigger(hideEvent);

            if (!this._isShown || hideEvent.isDefaultPrevented()) {
                return;
            }

            this._isShown = false;
            var transition = $$$1(this._element).hasClass(ClassName.FADE);

            if (transition) {
                this._isTransitioning = true;
            }

            this._setEscapeEvent();

            this._setResizeEvent();

            $$$1(document).off(Event.FOCUSIN);
            $$$1(this._element).removeClass(ClassName.SHOW);
            $$$1(this._element).off(Event.CLICK_DISMISS);
            $$$1(this._dialog).off(Event.MOUSEDOWN_DISMISS);

            if (transition) {
                var transitionDuration = Util.getTransitionDurationFromElement(this._element);
                $$$1(this._element).one(
                    Util.TRANSITION_END, function (event) {
                        return _this2._hideModal(event);
                    }
                ).emulateTransitionEnd(transitionDuration);
            } else {
                this._hideModal();
            }
        };

        _proto.dispose = function dispose()
        {
            $$$1.removeData(this._element, DATA_KEY);
            $$$1(window, document, this._element, this._backdrop).off(EVENT_KEY);
            this._config = null;
            this._element = null;
            this._dialog = null;
            this._backdrop = null;
            this._isShown = null;
            this._isBodyOverflowing = null;
            this._ignoreBackdropClick = null;
            this._scrollbarWidth = null;
        };

        _proto.handleUpdate = function handleUpdate()
        {
            this._adjustDialog();
        }; // Private


        _proto._getConfig = function _getConfig(config)
        {
            config = _objectSpread({}, Default, config);
            Util.typeCheckConfig(NAME, config, DefaultType);
            return config;
        };

        _proto._showElement = function _showElement(relatedTarget)
        {
            var _this3 = this;

            var transition = $$$1(this._element).hasClass(ClassName.FADE);

            if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
                // Don't move modal's DOM position
                document.body.appendChild(this._element);
            }

            this._element.style.display = 'block';

            this._element.removeAttribute('aria-hidden');

            this._element.scrollTop = 0;

            if (transition) {
                Util.reflow(this._element);
            }

            $$$1(this._element).addClass(ClassName.SHOW);

            if (this._config.focus) {
                this._enforceFocus();
            }

            var shownEvent = $$$1.Event(
                Event.SHOWN, {
                    relatedTarget: relatedTarget
                }
            );

            var transitionComplete = function transitionComplete()
            {
                if (_this3._config.focus) {
                    _this3._element.focus();
                }

                _this3._isTransitioning = false;
                $$$1(_this3._element).trigger(shownEvent);
            };

            if (transition) {
                var transitionDuration = Util.getTransitionDurationFromElement(this._element);
                $$$1(this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(transitionDuration);
            } else {
                transitionComplete();
            }
        };

        _proto._enforceFocus = function _enforceFocus()
        {
            var _this4 = this;

            $$$1(document).off(Event.FOCUSIN) // Guard against infinite focus loop
            .on(
                Event.FOCUSIN, function (event) {
                    if (document !== event.target && _this4._element !== event.target && $$$1(_this4._element).has(event.target).length === 0) {
                        _this4._element.focus();
                    }
                }
            );
        };

        _proto._setEscapeEvent = function _setEscapeEvent()
        {
            var _this5 = this;

            if (this._isShown && this._config.keyboard) {
                $$$1(this._element).on(
                    Event.KEYDOWN_DISMISS, function (event) {
                        if (event.which === ESCAPE_KEYCODE) {
                            event.preventDefault();

                            _this5.hide();
                        }
                    }
                );
            } else if (!this._isShown) {
                $$$1(this._element).off(Event.KEYDOWN_DISMISS);
            }
        };

        _proto._setResizeEvent = function _setResizeEvent()
        {
            var _this6 = this;

            if (this._isShown) {
                $$$1(window).on(
                    Event.RESIZE, function (event) {
                        return _this6.handleUpdate(event);
                    }
                );
            } else {
                $$$1(window).off(Event.RESIZE);
            }
        };

        _proto._hideModal = function _hideModal()
        {
            var _this7 = this;

            this._element.style.display = 'none';

            this._element.setAttribute('aria-hidden', true);

            this._isTransitioning = false;

            this._showBackdrop(
                function () {
                    $$$1(document.body).removeClass(ClassName.OPEN);

                    _this7._resetAdjustments();

                    _this7._resetScrollbar();

                    $$$1(_this7._element).trigger(Event.HIDDEN);
                }
            );
        };

        _proto._removeBackdrop = function _removeBackdrop()
        {
            if (this._backdrop) {
                $$$1(this._backdrop).remove();
                this._backdrop = null;
            }
        };

        _proto._showBackdrop = function _showBackdrop(callback)
        {
            var _this8 = this;

            var animate = $$$1(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';

            if (this._isShown && this._config.backdrop) {
                this._backdrop = document.createElement('div');
                this._backdrop.className = ClassName.BACKDROP;

                if (animate) {
                    this._backdrop.classList.add(animate);
                }

                $$$1(this._backdrop).appendTo(document.body);
                $$$1(this._element).on(
                    Event.CLICK_DISMISS, function (event) {
                        if (_this8._ignoreBackdropClick) {
                            _this8._ignoreBackdropClick = false;
                            return;
                        }

                        if (event.target !== event.currentTarget) {
                            return;
                        }

                        if (_this8._config.backdrop === 'static') {
                            _this8._element.focus();
                        } else {
                            _this8.hide();
                        }
                    }
                );

                if (animate) {
                      Util.reflow(this._backdrop);
                }

                $$$1(this._backdrop).addClass(ClassName.SHOW);

                if (!callback) {
                    return;
                }

                if (!animate) {
                    callback();
                    return;
                }

                var backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop);
                $$$1(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(backdropTransitionDuration);
            } else if (!this._isShown && this._backdrop) {
                $$$1(this._backdrop).removeClass(ClassName.SHOW);

                var callbackRemove = function callbackRemove()
                {
                    _this8._removeBackdrop();

                    if (callback) {
                        callback();
                    }
                };

                if ($$$1(this._element).hasClass(ClassName.FADE)) {
                    var _backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop);

                    $$$1(this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(_backdropTransitionDuration);
                } else {
                    callbackRemove();
                }
            } else if (callback) {
                callback();
            }
        }; // ----------------------------------------------------------------------
        // the following methods are used to handle overflowing modals
        // todo (fat): these should probably be refactored out of modal.js
        // ----------------------------------------------------------------------


        _proto._adjustDialog = function _adjustDialog()
        {
            var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;

            if (!this._isBodyOverflowing && isModalOverflowing) {
                this._element.style.paddingLeft = this._scrollbarWidth + "px";
            }

            if (this._isBodyOverflowing && !isModalOverflowing) {
                this._element.style.paddingRight = this._scrollbarWidth + "px";
            }
        };

        _proto._resetAdjustments = function _resetAdjustments()
        {
            this._element.style.paddingLeft = '';
            this._element.style.paddingRight = '';
        };

        _proto._checkScrollbar = function _checkScrollbar()
        {
            var rect = document.body.getBoundingClientRect();
            this._isBodyOverflowing = rect.left + rect.right < window.innerWidth;
            this._scrollbarWidth = this._getScrollbarWidth();
        };

        _proto._setScrollbar = function _setScrollbar()
        {
            var _this9 = this;

            if (this._isBodyOverflowing) {
                // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
                //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
                var fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT));
                var stickyContent = [].slice.call(document.querySelectorAll(Selector.STICKY_CONTENT)); // Adjust fixed content padding

                $$$1(fixedContent).each(
                    function (index, element) {
                        var actualPadding = element.style.paddingRight;
                        var calculatedPadding = $$$1(element).css('padding-right');
                        $$$1(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + "px");
                    }
                ); // Adjust sticky content margin

                $$$1(stickyContent).each(
                    function (index, element) {
                        var actualMargin = element.style.marginRight;
                        var calculatedMargin = $$$1(element).css('margin-right');
                        $$$1(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this9._scrollbarWidth + "px");
                    }
                ); // Adjust body padding

                var actualPadding = document.body.style.paddingRight;
                var calculatedPadding = $$$1(document.body).css('padding-right');
                $$$1(document.body).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + "px");
            }
        };

        _proto._resetScrollbar = function _resetScrollbar()
        {
            // Restore fixed content padding
            var fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT));
            $$$1(fixedContent).each(
                function (index, element) {
                    var padding = $$$1(element).data('padding-right');
                    $$$1(element).removeData('padding-right');
                    element.style.paddingRight = padding ? padding : '';
                }
            ); // Restore sticky content

            var elements = [].slice.call(document.querySelectorAll("" + Selector.STICKY_CONTENT));
            $$$1(elements).each(
                function (index, element) {
                    var margin = $$$1(element).data('margin-right');

                    if (typeof margin !== 'undefined') {
                        $$$1(element).css('margin-right', margin).removeData('margin-right');
                    }
                }
            ); // Restore body padding

            var padding = $$$1(document.body).data('padding-right');
            $$$1(document.body).removeData('padding-right');
            document.body.style.paddingRight = padding ? padding : '';
        };

        _proto._getScrollbarWidth = function _getScrollbarWidth()
        {
            // thx d.walsh
            var scrollDiv = document.createElement('div');
            scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
            document.body.appendChild(scrollDiv);
            var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
            document.body.removeChild(scrollDiv);
            return scrollbarWidth;
        }; // Static


        Modal._jQueryInterface = function _jQueryInterface(config, relatedTarget)
        {
            return this.each(
                function () {
                    var data = $$$1(this).data(DATA_KEY);

                    var _config = _objectSpread({}, Default, $$$1(this).data(), typeof config === 'object' && config ? config : {});

                        if (!data) {
                            data = new Modal(this, _config);
                            $$$1(this).data(DATA_KEY, data);
                        }

                        if (typeof config === 'string') {
                            if (typeof data[config] === 'undefined') {
                                throw new TypeError("No method named \"" + config + "\"");
                            }

                            data[config](relatedTarget);
                        } else if (_config.show) {
                            data.show(relatedTarget);
                        }
                }
            );
        };

        _createClass(
            Modal, null, [{
                key: "VERSION",
                get: function get()
                {
                    return VERSION;
                }
            }, {
                key: "Default",
                get: function get()
                {
                    return Default;
                }
            }]
        );

        return Modal;
    }();
    /**
     * ------------------------------------------------------------------------
     * Data Api implementation
     * ------------------------------------------------------------------------
     */


    $$$1(document).on(
        Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
            var _this10 = this;

            var target;
            var selector = Util.getSelectorFromElement(this);

            if (selector) {
                target = document.querySelector(selector);
            }

            var config = $$$1(target).data(DATA_KEY) ? 'toggle' : _objectSpread({}, $$$1(target).data(), $$$1(this).data());

            if (this.tagName === 'A' || this.tagName === 'AREA') {
                event.preventDefault();
            }

            var $target = $$$1(target).one(
                Event.SHOW, function (showEvent) {
                    if (showEvent.isDefaultPrevented()) {
                        // Only register focus restorer if modal will actually get shown
                        return;
                    }

                    $target.one(
                        Event.HIDDEN, function () {
                            if ($$$1(_this10).is(':visible')) {
                                _this10.focus();
                            }
                        }
                    );
                }
            );

            Modal._jQueryInterface.call($$$1(target), config, this);
        }
    );
    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     */

    $$$1.fn[NAME] = Modal._jQueryInterface;
    $$$1.fn[NAME].Constructor = Modal;

    $$$1.fn[NAME].noConflict = function () {
        $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
        return Modal._jQueryInterface;
    };

    return Modal;
  }($);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): tooltip.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var Tooltip = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'tooltip';
    var VERSION = '4.1.3';
    var DATA_KEY = 'bs.tooltip';
    var EVENT_KEY = "." + DATA_KEY;
    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
    var CLASS_PREFIX = 'bs-tooltip';
    var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
    var DefaultType = {
        animation: 'boolean',
        template: 'string',
        title: '(string|element|function)',
        trigger: 'string',
        delay: '(number|object)',
        html: 'boolean',
        selector: '(string|boolean)',
        placement: '(string|function)',
        offset: '(number|string)',
        container: '(string|element|boolean)',
        fallbackPlacement: '(string|array)',
        boundary: '(string|element)'
        };
        var AttachmentMap = {
            AUTO: 'auto',
            TOP: 'top',
            RIGHT: 'right',
            BOTTOM: 'bottom',
            LEFT: 'left'
        };
        var Default = {
            animation: true,
                template: '<div class="tooltip" role="tooltip">' + '<div class="arrow"></div>' + '<div class="tooltip-inner"></div></div>',
                trigger: 'hover focus',
                title: '',
                delay: 0,
                html: false,
                selector: false,
                placement: 'top',
                offset: 0,
                container: false,
                fallbackPlacement: 'flip',
                boundary: 'scrollParent'
    };
    var HoverState = {
        SHOW: 'show',
        OUT: 'out'
    };
    var Event = {
        HIDE: "hide" + EVENT_KEY,
        HIDDEN: "hidden" + EVENT_KEY,
        SHOW: "show" + EVENT_KEY,
        SHOWN: "shown" + EVENT_KEY,
        INSERTED: "inserted" + EVENT_KEY,
        CLICK: "click" + EVENT_KEY,
        FOCUSIN: "focusin" + EVENT_KEY,
        FOCUSOUT: "focusout" + EVENT_KEY,
        MOUSEENTER: "mouseenter" + EVENT_KEY,
        MOUSELEAVE: "mouseleave" + EVENT_KEY
    };
    var ClassName = {
        FADE: 'fade',
        SHOW: 'show'
    };
    var Selector = {
        TOOLTIP: '.tooltip',
        TOOLTIP_INNER: '.tooltip-inner',
        ARROW: '.arrow'
    };
    var Trigger = {
        HOVER: 'hover',
        FOCUS: 'focus',
        CLICK: 'click',
        MANUAL: 'manual'
        /**
         * ------------------------------------------------------------------------
         * Class Definition
         * ------------------------------------------------------------------------
         */

    };

    var Tooltip =
    /*#__PURE__*/
    function () {
        function Tooltip(element, config)
        {
            /**
             * Check for Popper dependency
             * Popper - https://popper.js.org
             */
            if (typeof Popper === 'undefined') {
                throw new TypeError('Bootstrap tooltips require Popper.js (https://popper.js.org)');
            } // private


            this._isEnabled = true;
            this._timeout = 0;
            this._hoverState = '';
            this._activeTrigger = {};
            this._popper = null; // Protected

            this.element = element;
            this.config = this._getConfig(config);
            this.tip = null;

            this._setListeners();
        } // Getters


        var _proto = Tooltip.prototype;

        // Public
        _proto.enable = function enable()
        {
            this._isEnabled = true;
        };

        _proto.disable = function disable()
        {
            this._isEnabled = false;
        };

        _proto.toggleEnabled = function toggleEnabled()
        {
            this._isEnabled = !this._isEnabled;
        };

        _proto.toggle = function toggle(event)
        {
            if (!this._isEnabled) {
                return;
            }

            if (event) {
                var dataKey = this.constructor.DATA_KEY;
                var context = $$$1(event.currentTarget).data(dataKey);

                if (!context) {
                    context = new this.constructor(event.currentTarget, this._getDelegateConfig());
                    $$$1(event.currentTarget).data(dataKey, context);
                }

                context._activeTrigger.click = !context._activeTrigger.click;

                if (context._isWithActiveTrigger()) {
                    context._enter(null, context);
                } else {
                    context._leave(null, context);
                }
            } else {
                if ($$$1(this.getTipElement()).hasClass(ClassName.SHOW)) {
                    this._leave(null, this);

                    return;
                }

                this._enter(null, this);
            }
        };

        _proto.dispose = function dispose()
        {
            clearTimeout(this._timeout);
            $$$1.removeData(this.element, this.constructor.DATA_KEY);
            $$$1(this.element).off(this.constructor.EVENT_KEY);
            $$$1(this.element).closest('.modal').off('hide.bs.modal');

            if (this.tip) {
                $$$1(this.tip).remove();
            }

            this._isEnabled = null;
            this._timeout = null;
            this._hoverState = null;
            this._activeTrigger = null;

            if (this._popper !== null) {
                this._popper.destroy();
            }

            this._popper = null;
            this.element = null;
            this.config = null;
            this.tip = null;
        };

        _proto.show = function show()
        {
            var _this = this;

            if ($$$1(this.element).css('display') === 'none') {
                throw new Error('Please use show on visible elements');
            }

            var showEvent = $$$1.Event(this.constructor.Event.SHOW);

            if (this.isWithContent() && this._isEnabled) {
                $$$1(this.element).trigger(showEvent);
                var isInTheDom = $$$1.contains(this.element.ownerDocument.documentElement, this.element);

                if (showEvent.isDefaultPrevented() || !isInTheDom) {
                    return;
                }

                var tip = this.getTipElement();
                var tipId = Util.getUID(this.constructor.NAME);
                tip.setAttribute('id', tipId);
                this.element.setAttribute('aria-describedby', tipId);
                this.setContent();

                if (this.config.animation) {
                    $$$1(tip).addClass(ClassName.FADE);
                }

                var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement;

                var attachment = this._getAttachment(placement);

                this.addAttachmentClass(attachment);
                var container = this.config.container === false ? document.body : $$$1(document).find(this.config.container);
                $$$1(tip).data(this.constructor.DATA_KEY, this);

                if (!$$$1.contains(this.element.ownerDocument.documentElement, this.tip)) {
                    $$$1(tip).appendTo(container);
                }

                $$$1(this.element).trigger(this.constructor.Event.INSERTED);
                this._popper = new Popper(
                    this.element, tip, {
                        placement: attachment,
                        modifiers: {
                            offset: {
                                offset: this.config.offset
                            },
                            flip: {
                                behavior: this.config.fallbackPlacement
                            },
                            arrow: {
                                element: Selector.ARROW
                            },
                            preventOverflow: {
                                boundariesElement: this.config.boundary
                            }
                        },
                        onCreate: function onCreate(data)
                        {
                            if (data.originalPlacement !== data.placement) {
                                _this._handlePopperPlacementChange(data);
                            }
                        },
                        onUpdate: function onUpdate(data)
                        {
                            _this._handlePopperPlacementChange(data);
                        }
                    }
                );
                $$$1(tip).addClass(ClassName.SHOW); // If this is a touch-enabled device we add extra
                // empty mouseover listeners to the body's immediate children;
                // only needed because of broken event delegation on iOS
                // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html

                if ('ontouchstart' in document.documentElement) {
                    $$$1(document.body).children().on('mouseover', null, $$$1.noop);
                }

                var complete = function complete()
                {
                    if (_this.config.animation) {
                        _this._fixTransition();
                    }

                    var prevHoverState = _this._hoverState;
                    _this._hoverState = null;
                    $$$1(_this.element).trigger(_this.constructor.Event.SHOWN);

                    if (prevHoverState === HoverState.OUT) {
                        _this._leave(null, _this);
                    }
                };

                if ($$$1(this.tip).hasClass(ClassName.FADE)) {
                    var transitionDuration = Util.getTransitionDurationFromElement(this.tip);
                    $$$1(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
                } else {
                    complete();
                }
            }
        };

        _proto.hide = function hide(callback)
        {
            var _this2 = this;

            var tip = this.getTipElement();
            var hideEvent = $$$1.Event(this.constructor.Event.HIDE);

            var complete = function complete()
            {
                if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) {
                    tip.parentNode.removeChild(tip);
                }

                _this2._cleanTipClass();

                _this2.element.removeAttribute('aria-describedby');

                $$$1(_this2.element).trigger(_this2.constructor.Event.HIDDEN);

                if (_this2._popper !== null) {
                    _this2._popper.destroy();
                }

                if (callback) {
                    callback();
                }
            };

            $$$1(this.element).trigger(hideEvent);

            if (hideEvent.isDefaultPrevented()) {
                return;
            }

            $$$1(tip).removeClass(ClassName.SHOW); // If this is a touch-enabled device we remove the extra
            // empty mouseover listeners we added for iOS support

            if ('ontouchstart' in document.documentElement) {
                $$$1(document.body).children().off('mouseover', null, $$$1.noop);
            }

            this._activeTrigger[Trigger.CLICK] = false;
            this._activeTrigger[Trigger.FOCUS] = false;
            this._activeTrigger[Trigger.HOVER] = false;

            if ($$$1(this.tip).hasClass(ClassName.FADE)) {
                var transitionDuration = Util.getTransitionDurationFromElement(tip);
                $$$1(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
            } else {
                complete();
            }

            this._hoverState = '';
        };

        _proto.update = function update()
        {
            if (this._popper !== null) {
                this._popper.scheduleUpdate();
            }
        }; // Protected


        _proto.isWithContent = function isWithContent()
        {
            return Boolean(this.getTitle());
        };

        _proto.addAttachmentClass = function addAttachmentClass(attachment)
        {
            $$$1(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
        };

        _proto.getTipElement = function getTipElement()
        {
            this.tip = this.tip || $$$1(this.config.template)[0];
            return this.tip;
        };

        _proto.setContent = function setContent()
        {
            var tip = this.getTipElement();
            this.setElementContent($$$1(tip.querySelectorAll(Selector.TOOLTIP_INNER)), this.getTitle());
            $$$1(tip).removeClass(ClassName.FADE + " " + ClassName.SHOW);
        };

        _proto.setElementContent = function setElementContent($element, content)
        {
            var html = this.config.html;

            if (typeof content === 'object' && (content.nodeType || content.jquery)) {
                // Content is a DOM node or a jQuery
                if (html) {
                    if (!$$$1(content).parent().is($element)) {
                        $element.empty().append(content);
                    }
                } else {
                    $element.text($$$1(content).text());
                }
            } else {
                $element[html ? 'html' : 'text'](content);
            }
        };

        _proto.getTitle = function getTitle()
        {
            var title = this.element.getAttribute('data-original-title');

            if (!title) {
                title = typeof this.config.title === 'function' ? this.config.title.call(this.element) : this.config.title;
            }

            return title;
        }; // Private


        _proto._getAttachment = function _getAttachment(placement)
        {
            return AttachmentMap[placement.toUpperCase()];
        };

        _proto._setListeners = function _setListeners()
        {
            var _this3 = this;

            var triggers = this.config.trigger.split(' ');
            triggers.forEach(
                function (trigger) {
                    if (trigger === 'click') {
                        $$$1(_this3.element).on(
                            _this3.constructor.Event.CLICK, _this3.config.selector, function (event) {
                                return _this3.toggle(event);
                            }
                        );
                    } else if (trigger !== Trigger.MANUAL) {
                        var eventIn = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSEENTER : _this3.constructor.Event.FOCUSIN;
                        var eventOut = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSELEAVE : _this3.constructor.Event.FOCUSOUT;
                        $$$1(_this3.element).on(
                            eventIn, _this3.config.selector, function (event) {
                                return _this3._enter(event);
                            }
                        ).on(
                            eventOut, _this3.config.selector, function (event) {
                                return _this3._leave(event);
                            }
                        );
                    }

                    $$$1(_this3.element).closest('.modal').on(
                        'hide.bs.modal', function () {
                            return _this3.hide();
                        }
                    );
                }
            );

            if (this.config.selector) {
                this.config = _objectSpread(
                    {}, this.config, {
                        trigger: 'manual',
                        selector: ''
                    }
                );
            } else {
                this._fixTitle();
            }
        };

        _proto._fixTitle = function _fixTitle()
        {
            var titleType = typeof this.element.getAttribute('data-original-title');

            if (this.element.getAttribute('title') || titleType !== 'string') {
                this.element.setAttribute('data-original-title', this.element.getAttribute('title') || '');
                this.element.setAttribute('title', '');
            }
        };

        _proto._enter = function _enter(event, context)
        {
            var dataKey = this.constructor.DATA_KEY;
            context = context || $$$1(event.currentTarget).data(dataKey);

            if (!context) {
                context = new this.constructor(event.currentTarget, this._getDelegateConfig());
                $$$1(event.currentTarget).data(dataKey, context);
            }

            if (event) {
                context._activeTrigger[event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER] = true;
            }

            if ($$$1(context.getTipElement()).hasClass(ClassName.SHOW) || context._hoverState === HoverState.SHOW) {
                context._hoverState = HoverState.SHOW;
                return;
            }

            clearTimeout(context._timeout);
            context._hoverState = HoverState.SHOW;

            if (!context.config.delay || !context.config.delay.show) {
                context.show();
                return;
            }

            context._timeout = setTimeout(
                function () {
                    if (context._hoverState === HoverState.SHOW) {
                        context.show();
                    }
                }, context.config.delay.show
            );
        };

        _proto._leave = function _leave(event, context)
        {
            var dataKey = this.constructor.DATA_KEY;
            context = context || $$$1(event.currentTarget).data(dataKey);

            if (!context) {
                context = new this.constructor(event.currentTarget, this._getDelegateConfig());
                $$$1(event.currentTarget).data(dataKey, context);
            }

            if (event) {
                context._activeTrigger[event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER] = false;
            }

            if (context._isWithActiveTrigger()) {
                return;
            }

            clearTimeout(context._timeout);
            context._hoverState = HoverState.OUT;

            if (!context.config.delay || !context.config.delay.hide) {
                context.hide();
                return;
            }

            context._timeout = setTimeout(
                function () {
                    if (context._hoverState === HoverState.OUT) {
                        context.hide();
                    }
                }, context.config.delay.hide
            );
        };

        _proto._isWithActiveTrigger = function _isWithActiveTrigger()
        {
            for (var trigger in this._activeTrigger) {
                if (this._activeTrigger[trigger]) {
                    return true;
                }
            }

            return false;
        };

        _proto._getConfig = function _getConfig(config)
        {
            config = _objectSpread({}, this.constructor.Default, $$$1(this.element).data(), typeof config === 'object' && config ? config : {});

            if (typeof config.delay === 'number') {
                config.delay = {
                    show: config.delay,
                    hide: config.delay
                };
            }

            if (typeof config.title === 'number') {
                config.title = config.title.toString();
            }

            if (typeof config.content === 'number') {
                config.content = config.content.toString();
            }

            Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
            return config;
        };

        _proto._getDelegateConfig = function _getDelegateConfig()
        {
            var config = {};

            if (this.config) {
                for (var key in this.config) {
                    if (this.constructor.Default[key] !== this.config[key]) {
                        config[key] = this.config[key];
                    }
                }
            }

            return config;
        };

        _proto._cleanTipClass = function _cleanTipClass()
        {
            var $tip = $$$1(this.getTipElement());
            var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);

            if (tabClass !== null && tabClass.length) {
                $tip.removeClass(tabClass.join(''));
            }
        };

        _proto._handlePopperPlacementChange = function _handlePopperPlacementChange(popperData)
        {
            var popperInstance = popperData.instance;
            this.tip = popperInstance.popper;

            this._cleanTipClass();

            this.addAttachmentClass(this._getAttachment(popperData.placement));
        };

        _proto._fixTransition = function _fixTransition()
        {
            var tip = this.getTipElement();
            var initConfigAnimation = this.config.animation;

            if (tip.getAttribute('x-placement') !== null) {
                return;
            }

            $$$1(tip).removeClass(ClassName.FADE);
            this.config.animation = false;
            this.hide();
            this.show();
            this.config.animation = initConfigAnimation;
        }; // Static


        Tooltip._jQueryInterface = function _jQueryInterface(config)
        {
            return this.each(
                function () {
                    var data = $$$1(this).data(DATA_KEY);

                    var _config = typeof config === 'object' && config;

                    if (!data && /dispose|hide/.test(config)) {
                        return;
                    }

                    if (!data) {
                        data = new Tooltip(this, _config);
                        $$$1(this).data(DATA_KEY, data);
                    }

                    if (typeof config === 'string') {
                        if (typeof data[config] === 'undefined') {
                            throw new TypeError("No method named \"" + config + "\"");
                        }

                        data[config]();
                    }
                }
            );
        };

        _createClass(
            Tooltip, null, [{
                key: "VERSION",
                get: function get()
                {
                    return VERSION;
                }
            }, {
                key: "Default",
                get: function get()
                {
                    return Default;
                }
            }, {
                key: "NAME",
                get: function get()
                {
                    return NAME;
                }
            }, {
                key: "DATA_KEY",
                get: function get()
                {
                    return DATA_KEY;
                }
            }, {
                key: "Event",
                get: function get()
                {
                    return Event;
                }
            }, {
                key: "EVENT_KEY",
                get: function get()
                {
                    return EVENT_KEY;
                }
            }, {
                key: "DefaultType",
                get: function get()
                {
                    return DefaultType;
                }
            }]
        );

        return Tooltip;
    }();
    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     */


    $$$1.fn[NAME] = Tooltip._jQueryInterface;
    $$$1.fn[NAME].Constructor = Tooltip;

    $$$1.fn[NAME].noConflict = function () {
        $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
        return Tooltip._jQueryInterface;
    };

    return Tooltip;
  }($, Popper);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): popover.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var Popover = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'popover';
    var VERSION = '4.1.3';
    var DATA_KEY = 'bs.popover';
    var EVENT_KEY = "." + DATA_KEY;
    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
    var CLASS_PREFIX = 'bs-popover';
    var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');

    var Default = _objectSpread(
        {}, Tooltip.Default, {
            placement: 'right',
            trigger: 'click',
            content: '',
            template: '<div class="popover" role="tooltip">' + '<div class="arrow"></div>' + '<h3 class="popover-header"></h3>' + '<div class="popover-body"></div></div>'
        }
    );

    var DefaultType = _objectSpread(
        {}, Tooltip.DefaultType, {
            content: '(string|element|function)'
        }
    );

    var ClassName = {
        FADE: 'fade',
        SHOW: 'show'
        };
        var Selector = {
            TITLE: '.popover-header',
            CONTENT: '.popover-body'
        };
        var Event = {
            HIDE: "hide" + EVENT_KEY,
            HIDDEN: "hidden" + EVENT_KEY,
            SHOW: "show" + EVENT_KEY,
            SHOWN: "shown" + EVENT_KEY,
            INSERTED: "inserted" + EVENT_KEY,
            CLICK: "click" + EVENT_KEY,
            FOCUSIN: "focusin" + EVENT_KEY,
            FOCUSOUT: "focusout" + EVENT_KEY,
            MOUSEENTER: "mouseenter" + EVENT_KEY,
            MOUSELEAVE: "mouseleave" + EVENT_KEY
            /**
             * ------------------------------------------------------------------------
             * Class Definition
             * ------------------------------------------------------------------------
             */

        };

        var Popover =
        /*#__PURE__*/
        function (_Tooltip) {
            _inheritsLoose(Popover, _Tooltip);

            function Popover()
            {
                return _Tooltip.apply(this, arguments) || this;
            }

            var _proto = Popover.prototype;

            // Overrides
            _proto.isWithContent = function isWithContent()
            {
                return this.getTitle() || this._getContent();
            };

            _proto.addAttachmentClass = function addAttachmentClass(attachment)
            {
                $$$1(this.getTipElement()).addClass(CLASS_PREFIX + "-" + attachment);
            };

            _proto.getTipElement = function getTipElement()
            {
                this.tip = this.tip || $$$1(this.config.template)[0];
                return this.tip;
            };

            _proto.setContent = function setContent()
            {
                var $tip = $$$1(this.getTipElement()); // We use append for html objects to maintain js events

                this.setElementContent($tip.find(Selector.TITLE), this.getTitle());

                var content = this._getContent();

                if (typeof content === 'function') {
                    content = content.call(this.element);
                }

                this.setElementContent($tip.find(Selector.CONTENT), content);
                $tip.removeClass(ClassName.FADE + " " + ClassName.SHOW);
            }; // Private


            _proto._getContent = function _getContent()
            {
                return this.element.getAttribute('data-content') || this.config.content;
            };

            _proto._cleanTipClass = function _cleanTipClass()
            {
                var $tip = $$$1(this.getTipElement());
                var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);

                if (tabClass !== null && tabClass.length > 0) {
                    $tip.removeClass(tabClass.join(''));
                }
            }; // Static


            Popover._jQueryInterface = function _jQueryInterface(config)
            {
                return this.each(
                    function () {
                        var data = $$$1(this).data(DATA_KEY);

                        var _config = typeof config === 'object' ? config : null;

                        if (!data && /destroy|hide/.test(config)) {
                            return;
                        }

                        if (!data) {
                            data = new Popover(this, _config);
                            $$$1(this).data(DATA_KEY, data);
                        }

                        if (typeof config === 'string') {
                            if (typeof data[config] === 'undefined') {
                                throw new TypeError("No method named \"" + config + "\"");
                            }

                            data[config]();
                        }
                    }
                );
            };

            _createClass(
                Popover, null, [{
                    key: "VERSION",
                    // Getters
                    get: function get()
                    {
                        return VERSION;
                    }
                }, {
                    key: "Default",
                    get: function get()
                    {
                        return Default;
                    }
                }, {
                    key: "NAME",
                    get: function get()
                    {
                        return NAME;
                    }
                }, {
                    key: "DATA_KEY",
                    get: function get()
                    {
                        return DATA_KEY;
                    }
                }, {
                    key: "Event",
                    get: function get()
                    {
                        return Event;
                    }
                }, {
                    key: "EVENT_KEY",
                    get: function get()
                    {
                        return EVENT_KEY;
                    }
                }, {
                    key: "DefaultType",
                    get: function get()
                    {
                        return DefaultType;
                    }
                }]
            );

            return Popover;
        }(Tooltip);
        /**
         * ------------------------------------------------------------------------
         * jQuery
         * ------------------------------------------------------------------------
         */


        $$$1.fn[NAME] = Popover._jQueryInterface;
        $$$1.fn[NAME].Constructor = Popover;

        $$$1.fn[NAME].noConflict = function () {
            $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
            return Popover._jQueryInterface;
        };

        return Popover;
  }($);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): scrollspy.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var ScrollSpy = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'scrollspy';
    var VERSION = '4.1.3';
    var DATA_KEY = 'bs.scrollspy';
    var EVENT_KEY = "." + DATA_KEY;
    var DATA_API_KEY = '.data-api';
    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
    var Default = {
        offset: 10,
            method: 'auto',
            target: ''
    };
    var DefaultType = {
        offset: 'number',
        method: 'string',
        target: '(string|element)'
    };
    var Event = {
        ACTIVATE: "activate" + EVENT_KEY,
        SCROLL: "scroll" + EVENT_KEY,
        LOAD_DATA_API: "load" + EVENT_KEY + DATA_API_KEY
    };
    var ClassName = {
        DROPDOWN_ITEM: 'dropdown-item',
        DROPDOWN_MENU: 'dropdown-menu',
        ACTIVE: 'active'
    };
    var Selector = {
        DATA_SPY: '[data-spy="scroll"]',
        ACTIVE: '.active',
        NAV_LIST_GROUP: '.nav, .list-group',
        NAV_LINKS: '.nav-link',
        NAV_ITEMS: '.nav-item',
        LIST_ITEMS: '.list-group-item',
        DROPDOWN: '.dropdown',
        DROPDOWN_ITEMS: '.dropdown-item',
        DROPDOWN_TOGGLE: '.dropdown-toggle'
    };
    var OffsetMethod = {
        OFFSET: 'offset',
        POSITION: 'position'
        /**
         * ------------------------------------------------------------------------
         * Class Definition
         * ------------------------------------------------------------------------
         */

    };

    var ScrollSpy =
    /*#__PURE__*/
    function () {
        function ScrollSpy(element, config)
        {
            var _this = this;

            this._element = element;
            this._scrollElement = element.tagName === 'BODY' ? window : element;
            this._config = this._getConfig(config);
            this._selector = this._config.target + " " + Selector.NAV_LINKS + "," + (this._config.target + " " + Selector.LIST_ITEMS + ",") + (this._config.target + " " + Selector.DROPDOWN_ITEMS);
            this._offsets = [];
            this._targets = [];
            this._activeTarget = null;
            this._scrollHeight = 0;
            $$$1(this._scrollElement).on(
                Event.SCROLL, function (event) {
                    return _this._process(event);
                }
            );
            this.refresh();

            this._process();
        } // Getters


        var _proto = ScrollSpy.prototype;

        // Public
        _proto.refresh = function refresh()
        {
            var _this2 = this;

            var autoMethod = this._scrollElement === this._scrollElement.window ? OffsetMethod.OFFSET : OffsetMethod.POSITION;
            var offsetMethod = this._config.method === 'auto' ? autoMethod : this._config.method;
            var offsetBase = offsetMethod === OffsetMethod.POSITION ? this._getScrollTop() : 0;
            this._offsets = [];
            this._targets = [];
            this._scrollHeight = this._getScrollHeight();
            var targets = [].slice.call(document.querySelectorAll(this._selector));
            targets.map(
                function (element) {
                    var target;
                    var targetSelector = Util.getSelectorFromElement(element);

                    if (targetSelector) {
                        target = document.querySelector(targetSelector);
                    }

                    if (target) {
                        var targetBCR = target.getBoundingClientRect();

                        if (targetBCR.width || targetBCR.height) {
                            // TODO (fat): remove sketch reliance on jQuery position/offset
                            return [$$$1(target)[offsetMethod]().top + offsetBase, targetSelector];
                        }
                    }

                    return null;
                }
            ).filter(
                function (item) {
                    return item;
                }
            ).sort(
                function (a, b) {
                    return a[0] - b[0];
                }
            ).forEach(
                function (item) {
                    _this2._offsets.push(item[0]);

                    _this2._targets.push(item[1]);
                }
            );
        };

        _proto.dispose = function dispose()
        {
            $$$1.removeData(this._element, DATA_KEY);
            $$$1(this._scrollElement).off(EVENT_KEY);
            this._element = null;
            this._scrollElement = null;
            this._config = null;
            this._selector = null;
            this._offsets = null;
            this._targets = null;
            this._activeTarget = null;
            this._scrollHeight = null;
        }; // Private


        _proto._getConfig = function _getConfig(config)
        {
            config = _objectSpread({}, Default, typeof config === 'object' && config ? config : {});

                if (typeof config.target !== 'string') {
                    var id = $$$1(config.target).attr('id');

                    if (!id) {
                        id = Util.getUID(NAME);
                        $$$1(config.target).attr('id', id);
                    }

                    config.target = "#" + id;
                }

                Util.typeCheckConfig(NAME, config, DefaultType);
          return config;
        };

        _proto._getScrollTop = function _getScrollTop()
        {
            return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
        };

        _proto._getScrollHeight = function _getScrollHeight()
        {
            return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
        };

        _proto._getOffsetHeight = function _getOffsetHeight()
        {
            return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
        };

        _proto._process = function _process()
        {
            var scrollTop = this._getScrollTop() + this._config.offset;

            var scrollHeight = this._getScrollHeight();

            var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();

            if (this._scrollHeight !== scrollHeight) {
                this.refresh();
            }

            if (scrollTop >= maxScroll) {
                var target = this._targets[this._targets.length - 1];

                if (this._activeTarget !== target) {
                    this._activate(target);
                }

                return;
            }

            if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
                this._activeTarget = null;

                this._clear();

                return;
            }

            var offsetLength = this._offsets.length;

            for (var i = offsetLength; i--;) {
                var isActiveTarget = this._activeTarget !== this._targets[i] && scrollTop >= this._offsets[i] && (typeof this._offsets[i + 1] === 'undefined' || scrollTop < this._offsets[i + 1]);

                if (isActiveTarget) {
                    this._activate(this._targets[i]);
                }
            }
        };

        _proto._activate = function _activate(target)
        {
            this._activeTarget = target;

            this._clear();

            var queries = this._selector.split(','); // eslint-disable-next-line arrow-body-style


            queries = queries.map(
                function (selector) {
                    return selector + "[data-target=\"" + target + "\"]," + (selector + "[href=\"" + target + "\"]");
                }
            );
            var $link = $$$1([].slice.call(document.querySelectorAll(queries.join(','))));

            if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {
                $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
                $link.addClass(ClassName.ACTIVE);
            } else {
                // Set triggered link as active
                $link.addClass(ClassName.ACTIVE); // Set triggered links parents as active
                // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor

                $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ", " + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE); // Handle special case when .nav-link is inside .nav-item

                $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_ITEMS).children(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
            }

            $$$1(this._scrollElement).trigger(
                Event.ACTIVATE, {
                    relatedTarget: target
                }
            );
        };

        _proto._clear = function _clear()
        {
            var nodes = [].slice.call(document.querySelectorAll(this._selector));
            $$$1(nodes).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE);
        }; // Static


        ScrollSpy._jQueryInterface = function _jQueryInterface(config)
        {
            return this.each(
                function () {
                    var data = $$$1(this).data(DATA_KEY);

                    var _config = typeof config === 'object' && config;

                    if (!data) {
                        data = new ScrollSpy(this, _config);
                        $$$1(this).data(DATA_KEY, data);
                    }

                    if (typeof config === 'string') {
                        if (typeof data[config] === 'undefined') {
                            throw new TypeError("No method named \"" + config + "\"");
                        }

                        data[config]();
                    }
                }
            );
        };

        _createClass(
            ScrollSpy, null, [{
                key: "VERSION",
                get: function get()
                {
                    return VERSION;
                }
            }, {
                key: "Default",
                get: function get()
                {
                    return Default;
                }
            }]
        );

        return ScrollSpy;
    }();
    /**
     * ------------------------------------------------------------------------
     * Data Api implementation
     * ------------------------------------------------------------------------
     */


    $$$1(window).on(
        Event.LOAD_DATA_API, function () {
            var scrollSpys = [].slice.call(document.querySelectorAll(Selector.DATA_SPY));
            var scrollSpysLength = scrollSpys.length;

            for (var i = scrollSpysLength; i--;) {
                var $spy = $$$1(scrollSpys[i]);

                ScrollSpy._jQueryInterface.call($spy, $spy.data());
            }
        }
    );
    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     */

    $$$1.fn[NAME] = ScrollSpy._jQueryInterface;
    $$$1.fn[NAME].Constructor = ScrollSpy;

    $$$1.fn[NAME].noConflict = function () {
        $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
        return ScrollSpy._jQueryInterface;
    };

    return ScrollSpy;
  }($);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): tab.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  var Tab = function ($$$1) {
    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */
    var NAME = 'tab';
    var VERSION = '4.1.3';
    var DATA_KEY = 'bs.tab';
    var EVENT_KEY = "." + DATA_KEY;
    var DATA_API_KEY = '.data-api';
    var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
    var Event = {
        HIDE: "hide" + EVENT_KEY,
        HIDDEN: "hidden" + EVENT_KEY,
        SHOW: "show" + EVENT_KEY,
        SHOWN: "shown" + EVENT_KEY,
        CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY
        };
        var ClassName = {
            DROPDOWN_MENU: 'dropdown-menu',
            ACTIVE: 'active',
            DISABLED: 'disabled',
            FADE: 'fade',
            SHOW: 'show'
        };
        var Selector = {
            DROPDOWN: '.dropdown',
            NAV_LIST_GROUP: '.nav, .list-group',
            ACTIVE: '.active',
            ACTIVE_UL: '> li > .active',
            DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',
            DROPDOWN_TOGGLE: '.dropdown-toggle',
            DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
            /**
             * ------------------------------------------------------------------------
             * Class Definition
             * ------------------------------------------------------------------------
             */

        };

        var Tab =
        /*#__PURE__*/
        function () {
            function Tab(element)
            {
                this._element = element;
            } // Getters


            var _proto = Tab.prototype;

            // Public
            _proto.show = function show()
            {
                var _this = this;

                if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $$$1(this._element).hasClass(ClassName.ACTIVE) || $$$1(this._element).hasClass(ClassName.DISABLED)) {
                    return;
                }

                var target;
                var previous;
                var listElement = $$$1(this._element).closest(Selector.NAV_LIST_GROUP)[0];
                var selector = Util.getSelectorFromElement(this._element);

                if (listElement) {
                    var itemSelector = listElement.nodeName === 'UL' ? Selector.ACTIVE_UL : Selector.ACTIVE;
                    previous = $$$1.makeArray($$$1(listElement).find(itemSelector));
                    previous = previous[previous.length - 1];
                }

                var hideEvent = $$$1.Event(
                    Event.HIDE, {
                        relatedTarget: this._element
                    }
                );
                var showEvent = $$$1.Event(
                    Event.SHOW, {
                        relatedTarget: previous
                    }
                );

                if (previous) {
                    $$$1(previous).trigger(hideEvent);
                }

                $$$1(this._element).trigger(showEvent);

                if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) {
                    return;
                }

                if (selector) {
                    target = document.querySelector(selector);
                }

                this._activate(this._element, listElement);

                var complete = function complete()
                {
                    var hiddenEvent = $$$1.Event(
                        Event.HIDDEN, {
                            relatedTarget: _this._element
                        }
                    );
                    var shownEvent = $$$1.Event(
                        Event.SHOWN, {
                            relatedTarget: previous
                        }
                    );
                    $$$1(previous).trigger(hiddenEvent);
                    $$$1(_this._element).trigger(shownEvent);
                };

                if (target) {
                    this._activate(target, target.parentNode, complete);
                } else {
                    complete();
                }
            };

            _proto.dispose = function dispose()
            {
                $$$1.removeData(this._element, DATA_KEY);
                this._element = null;
            }; // Private


            _proto._activate = function _activate(element, container, callback)
            {
                var _this2 = this;

                var activeElements;

                if (container.nodeName === 'UL') {
                    activeElements = $$$1(container).find(Selector.ACTIVE_UL);
                } else {
                    activeElements = $$$1(container).children(Selector.ACTIVE);
                }

                var active = activeElements[0];
                var isTransitioning = callback && active && $$$1(active).hasClass(ClassName.FADE);

                var complete = function complete()
                {
                    return _this2._transitionComplete(element, active, callback);
                };

                if (active && isTransitioning) {
                    var transitionDuration = Util.getTransitionDurationFromElement(active);
                    $$$1(active).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration);
                } else {
                    complete();
                }
            };

            _proto._transitionComplete = function _transitionComplete(element, active, callback)
            {
                if (active) {
                    $$$1(active).removeClass(ClassName.SHOW + " " + ClassName.ACTIVE);
                    var dropdownChild = $$$1(active.parentNode).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];

                    if (dropdownChild) {
                        $$$1(dropdownChild).removeClass(ClassName.ACTIVE);
                    }

                    if (active.getAttribute('role') === 'tab') {
                          active.setAttribute('aria-selected', false);
                    }
                }

                $$$1(element).addClass(ClassName.ACTIVE);

                if (element.getAttribute('role') === 'tab') {
                    element.setAttribute('aria-selected', true);
                }

                Util.reflow(element);
                $$$1(element).addClass(ClassName.SHOW);

                if (element.parentNode && $$$1(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {
                        var dropdownElement = $$$1(element).closest(Selector.DROPDOWN)[0];

                    if (dropdownElement) {
                        var dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(Selector.DROPDOWN_TOGGLE));
                        $$$1(dropdownToggleList).addClass(ClassName.ACTIVE);
                    }

                    element.setAttribute('aria-expanded', true);
                }

                if (callback) {
                      callback();
                }
            }; // Static


            Tab._jQueryInterface = function _jQueryInterface(config)
            {
                return this.each(
                    function () {
                        var $this = $$$1(this);
                        var data = $this.data(DATA_KEY);

                        if (!data) {
                            data = new Tab(this);
                            $this.data(DATA_KEY, data);
                        }

                        if (typeof config === 'string') {
                            if (typeof data[config] === 'undefined') {
                                throw new TypeError("No method named \"" + config + "\"");
                            }

                            data[config]();
                        }
                    }
                );
            };

            _createClass(
                Tab, null, [{
                    key: "VERSION",
                    get: function get()
                    {
                        return VERSION;
                    }
                }]
            );

            return Tab;
        }();
        /**
         * ------------------------------------------------------------------------
         * Data Api implementation
         * ------------------------------------------------------------------------
         */


        $$$1(document).on(
            Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
                event.preventDefault();

                Tab._jQueryInterface.call($$$1(this), 'show');
            }
        );
    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     */

    $$$1.fn[NAME] = Tab._jQueryInterface;
    $$$1.fn[NAME].Constructor = Tab;

    $$$1.fn[NAME].noConflict = function () {
        $$$1.fn[NAME] = JQUERY_NO_CONFLICT;
        return Tab._jQueryInterface;
    };

        return Tab;
  }($);

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v4.1.3): index.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */

  (function ($$$1) {
    if (typeof $$$1 === 'undefined') {
        throw new TypeError('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.');
    }

    var version = $$$1.fn.jquery.split(' ')[0].split('.');
    var minMajor = 1;
    var ltMajor = 2;
    var minMinor = 9;
    var minPatch = 1;
    var maxMajor = 4;

    if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
        throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');
    }
  })($);

  exports.Util = Util;
  exports.Alert = Alert;
  exports.Button = Button;
  exports.Carousel = Carousel;
  exports.Collapse = Collapse;
  exports.Dropdown = Dropdown;
  exports.Modal = Modal;
  exports.Popover = Popover;
  exports.Scrollspy = ScrollSpy;
  exports.Tab = Tab;
  exports.Tooltip = Tooltip;

  Object.defineProperty(exports, '__esModule', { value: true });

})));
