XBackBone/static/bootstrap/js/bootstrap.bundle.js

/*!
  * Bootstrap v4.0.0 (https://getbootstrap.com)
  * Copyright 2011-2018 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/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 _extends() {
        _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;
        };

        return _extends.apply(this, arguments);
    }

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

    /**
     * --------------------------------------------------------------------------
     * Bootstrap (v4.0.0): util.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Util = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Private TransitionEnd Helpers
         * ------------------------------------------------------------------------
         */
        var transition = false;
        var MAX_UID = 1000000; // Shoutout AngusCroll (https://goo.gl/pxwQGp)

        function toType(obj) {
            return {}.toString.call(obj).match(/\s([a-zA-Z]+)/)[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 transitionEndTest() {
            if (typeof window !== 'undefined' && window.QUnit) {
                return false;
            }

            return {
                end: 'transitionend'
            };
        }

        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() {
            transition = transitionEndTest();
            $$$1.fn.emulateTransitionEnd = transitionEndEmulator;

            if (Util.supportsTransitionEnd()) {
                $$$1.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent();
            }
        }

        function escapeId(selector) {
            // We escape IDs in case of special selectors (selector = '#myId:something')
            // $.escapeSelector does not exist in jQuery < 3
            selector = typeof $$$1.escapeSelector === 'function' ? $$$1.escapeSelector(selector).substr(1) : selector.replace(/(:|\.|\[|\]|,|=|@)/g, '\\$1');
            return selector;
        }

        /**
         * --------------------------------------------------------------------------
         * 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') || '';
                } // If it's an ID


                if (selector.charAt(0) === '#') {
                    selector = escapeId(selector);
                }

                try {
                    var $selector = $$$1(document).find(selector);
                    return $selector.length > 0 ? selector : null;
                } catch (err) {
                    return null;
                }
            },
            reflow: function reflow(element) {
                return element.offsetHeight;
            },
            triggerTransitionEnd: function triggerTransitionEnd(element) {
                $$$1(element).trigger(transition.end);
            },
            supportsTransitionEnd: function supportsTransitionEnd() {
                return Boolean(transition);
            },
            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 (v4.0.0): alert.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Alert = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'alert';
        var VERSION = '4.0.0';
        var DATA_KEY = 'bs.alert';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
        var TRANSITION_DURATION = 150;
        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) {
                    element = element || this._element;

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

                    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 (!Util.supportsTransitionEnd() || !$$$1(element).hasClass(ClassName.FADE)) {
                        this._destroyElement(element);

                        return;
                    }

                    $$$1(element).one(Util.TRANSITION_END, function (event) {
                        return _this._destroyElement(element, event);
                    }).emulateTransitionEnd(TRANSITION_DURATION);
                };

                _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 (v4.0.0): button.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Button = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'button';
        var VERSION = '4.0.0';
        var DATA_KEY = 'bs.button';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$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 = $$$1(this._element).find(Selector.INPUT)[0];

                        if (input) {
                            if (input.type === 'radio') {
                                if (input.checked && $$$1(this._element).hasClass(ClassName.ACTIVE)) {
                                    triggerChangeEvent = false;
                                } else {
                                    var activeElement = $$$1(rootElement).find(Selector.ACTIVE)[0];

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

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

                    if (addAriaPressed) {
                        this._element.setAttribute('aria-pressed', !$$$1(this._element).hasClass(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 (v4.0.0): carousel.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Carousel = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'carousel';
        var VERSION = '4.0.0';
        var DATA_KEY = 'bs.carousel';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
        var TRANSITION_DURATION = 600;
        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 = $$$1(element)[0];
                    this._indicatorsElement = $$$1(this._element).find(Selector.INDICATORS)[0];

                    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 ($$$1(this._element).find(Selector.NEXT_PREV)[0] && Util.supportsTransitionEnd()) {
                        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 = $$$1(this._element).find(Selector.ACTIVE_ITEM)[0];

                    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 = _extends({}, 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 = $$$1.makeArray($$$1(element).parent().find(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($$$1(this._element).find(Selector.ACTIVE_ITEM)[0]);

                    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) {
                        $$$1(this._indicatorsElement).find(Selector.ACTIVE).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 = $$$1(this._element).find(Selector.ACTIVE_ITEM)[0];

                    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 (Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.SLIDE)) {
                        $$$1(nextElement).addClass(orderClassName);
                        Util.reflow(nextElement);
                        $$$1(activeElement).addClass(directionalClassName);
                        $$$1(nextElement).addClass(directionalClassName);
                        $$$1(activeElement).one(Util.TRANSITION_END, function () {
                            $$$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(TRANSITION_DURATION);
                    } 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 = _extends({}, Default, $$$1(this).data());

                        if (typeof config === 'object') {
                            _config = _extends({}, _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 = _extends({}, $$$1(target).data(), $$$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 () {
            $$$1(Selector.DATA_RIDE).each(function () {
                var $carousel = $$$1(this);

                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 (v4.0.0): collapse.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Collapse = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'collapse';
        var VERSION = '4.0.0';
        var DATA_KEY = 'bs.collapse';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
        var TRANSITION_DURATION = 600;
        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 = $$$1.makeArray($$$1("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]")));
                    var tabToggles = $$$1(Selector.DATA_TOGGLE);

                    for (var i = 0; i < tabToggles.length; i++) {
                        var elem = tabToggles[i];
                        var selector = Util.getSelectorFromElement(elem);

                        if (selector !== null && $$$1(selector).filter(element).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 = $$$1.makeArray($$$1(this._parent).find(Selector.ACTIVES).filter("[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 > 0) {
                        $$$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);
                    };

                    if (!Util.supportsTransitionEnd()) {
                        complete();
                        return;
                    }

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

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

                            if (selector !== null) {
                                var $elem = $$$1(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] = '';

                    if (!Util.supportsTransitionEnd()) {
                        complete();
                        return;
                    }

                    $$$1(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
                };

                _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 = _extends({}, 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 = $$$1(this._config.parent)[0];
                    }

                    var selector = "[data-toggle=\"collapse\"][data-parent=\"" + this._config.parent + "\"]";
                    $$$1(parent).find(selector).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 > 0) {
                            $$$1(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
                        }
                    }
                }; // Static


                Collapse._getTargetFromElement = function _getTargetFromElement(element) {
                    var selector = Util.getSelectorFromElement(element);
                    return selector ? $$$1(selector)[0] : null;
                };

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

                        var _config = _extends({}, Default, $this.data(), typeof config === 'object' && 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 = $$$1(this);
            var selector = Util.getSelectorFromElement(this);
            $$$1(selector).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 1.12.9
     * @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)/.test(overflow + overflowY + overflowX)) {
            return element;
        }

        return getScrollParent(getParentNode(element));
    }

    /**
     * Returns the offset parent of the given element
     * @method
     * @memberof Popper.Utils
     * @argument {Element} element
     * @returns {Element} offset parent
     */
    function getOffsetParent(element) {
        // NOTE: 1 DOM access here
        var offsetParent = element && element.offsetParent;
        var nodeName = offsetParent && offsetParent.nodeName;

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

            return 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);
    }

    /**
     * Tells if you are running Internet Explorer 10
     * @method
     * @memberof Popper.Utils
     * @returns {Boolean} isIE10
     */
    var isIE10 = undefined;

    var isIE10$1 = function () {
        if (isIE10 === undefined) {
            isIE10 = navigator.appVersion.indexOf('MSIE 10') !== -1;
        }
        return isIE10;
    };

    function getSize(axis, body, html, computedStyle) {
        return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE10$1() ? 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 = isIE10$1() && 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$1 = 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$1({}, 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
        if (isIE10$1()) {
            try {
                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;
            } catch (err) {
            }
        } else {
            rect = element.getBoundingClientRect();
        }

        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 isIE10 = isIE10$1();
        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);

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

        return offsets;
    }

    function getViewportOffsetRectRelativeToArtbitraryNode(element) {
        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 = getScroll(html);
        var scrollLeft = getScroll(html, 'left');

        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));
    }

    /**
     * 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
     * @returns {Object} Coordinates of the boundaries
     */
    function getBoundaries(popper, reference, padding, boundariesElement) {
        // NOTE: 1 DOM access here
        var boundaries = {top: 0, left: 0};
        var offsetParent = findCommonOffsetParent(popper, reference);

        // Handle viewport case
        if (boundariesElement === 'viewport') {
            boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent);
        } 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);

            // 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$1({
                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)
     * @returns {Object} An object containing the offsets which will be applied to the popper
     */
    function getReferenceOffsets(state, popper, reference) {
        var commonOffsetParent = findCommonOffsetParent(popper, reference);
        return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent);
    }

    /**
     * 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);

        // 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;

        // compute the popper offsets
        data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);
        data.offsets.popper.position = '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 - 1; 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.left = '';
            this.popper.style.position = '';
            this.popper.style.top = '';
            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);

        // 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: '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
        };

        // floor sides to avoid blurry text
        var offsets = {
            left: Math.floor(popper.left),
            top: Math.floor(popper.top),
            bottom: Math.floor(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$1({}, attributes, data.attributes);
        data.styles = _extends$1({}, styles, data.styles);
        data.arrowStyles = _extends$1({}, 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);

        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$1({}, 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);
        }

        var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement);
        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$1({}, 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$1({}, 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',

        /**
         * 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$1({}, 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$1({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {
                _this.options.modifiers[name] = _extends$1({}, 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$1({
                    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 (v4.0.0): dropdown.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Dropdown = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'dropdown';
        var VERSION = '4.0.0';
        var DATA_KEY = 'bs.dropdown';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$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)'
        };
        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'
        };
        var DefaultType = {
            offset: '(number|string|function)',
            flip: 'boolean',
            boundary: '(string|element)'
            /**
             * ------------------------------------------------------------------------
             * 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 element = this._element; // For dropup with alignment we use the parent as popper container

                        if ($$$1(parent).hasClass(ClassName.DROPUP)) {
                            if ($$$1(this._menu).hasClass(ClassName.MENULEFT) || $$$1(this._menu).hasClass(ClassName.MENURIGHT)) {
                                element = parent;
                            }
                        } // 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(element, 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('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 = _extends({}, 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);

                        this._menu = $$$1(parent).find(Selector.MENU)[0];
                    }

                    return this._menu;
                };

                _proto._getPlacement = function _getPlacement() {
                    var $parentDropdown = $$$1(this._element).parent();
                    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 = _extends({}, 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
                            }
                        }
                    };
                    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 = $$$1.makeArray($$$1(Selector.DATA_TOGGLE));

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

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

                        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) {
                            $$$1('body').children().off('mouseover', null, $$$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 = $$$1(selector)[0];
                    }

                    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 = $$$1(parent).find(Selector.DATA_TOGGLE)[0];
                            $$$1(toggle).trigger('focus');
                        }

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

                    var items = $$$1(parent).find(Selector.VISIBLE_ITEMS).get();

                    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 (v4.0.0): modal.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Modal = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'modal';
        var VERSION = '4.0.0';
        var DATA_KEY = 'bs.modal';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
        var TRANSITION_DURATION = 300;
        var BACKDROP_TRANSITION_DURATION = 150;
        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',
            NAVBAR_TOGGLER: '.navbar-toggler'
            /**
             * ------------------------------------------------------------------------
             * Class Definition
             * ------------------------------------------------------------------------
             */

        };

        var Modal =
            /*#__PURE__*/
            function () {
                function Modal(element, config) {
                    this._config = this._getConfig(config);
                    this._element = element;
                    this._dialog = $$$1(element).find(Selector.DIALOG)[0];
                    this._backdrop = null;
                    this._isShown = false;
                    this._isBodyOverflowing = false;
                    this._ignoreBackdropClick = false;
                    this._originalBodyPadding = 0;
                    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 (Util.supportsTransitionEnd() && $$$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 = Util.supportsTransitionEnd() && $$$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) {
                        $$$1(this._element).one(Util.TRANSITION_END, function (event) {
                            return _this2._hideModal(event);
                        }).emulateTransitionEnd(TRANSITION_DURATION);
                    } 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 = _extends({}, Default, config);
                    Util.typeCheckConfig(NAME, config, DefaultType);
                    return config;
                };

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

                    var transition = Util.supportsTransitionEnd() && $$$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) {
                        $$$1(this._dialog).one(Util.TRANSITION_END, transitionComplete).emulateTransitionEnd(TRANSITION_DURATION);
                    } 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) {
                        var doAnimate = Util.supportsTransitionEnd() && animate;
                        this._backdrop = document.createElement('div');
                        this._backdrop.className = ClassName.BACKDROP;

                        if (animate) {
                            $$$1(this._backdrop).addClass(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 (doAnimate) {
                            Util.reflow(this._backdrop);
                        }

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

                        if (!callback) {
                            return;
                        }

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

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

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

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

                        if (Util.supportsTransitionEnd() && $$$1(this._element).hasClass(ClassName.FADE)) {
                            $$$1(this._backdrop).one(Util.TRANSITION_END, callbackRemove).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION);
                        } 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
                        // Adjust fixed content padding
                        $$$1(Selector.FIXED_CONTENT).each(function (index, element) {
                            var actualPadding = $$$1(element)[0].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

                        $$$1(Selector.STICKY_CONTENT).each(function (index, element) {
                            var actualMargin = $$$1(element)[0].style.marginRight;
                            var calculatedMargin = $$$1(element).css('margin-right');
                            $$$1(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) - _this9._scrollbarWidth + "px");
                        }); // Adjust navbar-toggler margin

                        $$$1(Selector.NAVBAR_TOGGLER).each(function (index, element) {
                            var actualMargin = $$$1(element)[0].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 = $$$1('body').css('padding-right');
                        $$$1('body').data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + "px");
                    }
                };

                _proto._resetScrollbar = function _resetScrollbar() {
                    // Restore fixed content padding
                    $$$1(Selector.FIXED_CONTENT).each(function (index, element) {
                        var padding = $$$1(element).data('padding-right');

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

                    $$$1(Selector.STICKY_CONTENT + ", " + Selector.NAVBAR_TOGGLER).each(function (index, element) {
                        var margin = $$$1(element).data('margin-right');

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

                    var padding = $$$1('body').data('padding-right');

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

                _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 = _extends({}, Modal.Default, $$$1(this).data(), typeof config === 'object' && 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 = $$$1(selector)[0];
            }

            var config = $$$1(target).data(DATA_KEY) ? 'toggle' : _extends({}, $$$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 (v4.0.0): tooltip.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Tooltip = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'tooltip';
        var VERSION = '4.0.0';
        var DATA_KEY = 'bs.tooltip';
        var EVENT_KEY = "." + DATA_KEY;
        var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
        var TRANSITION_DURATION = 150;
        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 : $$$1(this.config.container);
                        $$$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) {
                            $$$1('body').children().on('mouseover', null, $$$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 (Util.supportsTransitionEnd() && $$$1(this.tip).hasClass(ClassName.FADE)) {
                            $$$1(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
                        } 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) {
                        $$$1('body').children().off('mouseover', null, $$$1.noop);
                    }

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

                    if (Util.supportsTransitionEnd() && $$$1(this.tip).hasClass(ClassName.FADE)) {
                        $$$1(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
                    } 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 = $$$1(this.getTipElement());
                    this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());
                    $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 = _extends({}, 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 = _extends({}, this.constructor.Default, $$$1(this.element).data(), 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 > 0) {
                        $tip.removeClass(tabClass.join(''));
                    }
                };

                _proto._handlePopperPlacementChange = function _handlePopperPlacementChange(data) {
                    this._cleanTipClass();

                    this.addAttachmentClass(this._getAttachment(data.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 (v4.0.0): popover.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Popover = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'popover';
        var VERSION = '4.0.0';
        var DATA_KEY = 'bs.popover';
        var EVENT_KEY = "." + DATA_KEY;
        var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
        var CLASS_PREFIX = 'bs-popover';
        var BSCLS_PREFIX_REGEX = new RegExp("(^|\\s)" + CLASS_PREFIX + "\\S+", 'g');
        var Default = _extends({}, 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 = _extends({}, 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 (v4.0.0): scrollspy.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var ScrollSpy = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'scrollspy';
        var VERSION = '4.0.0';
        var DATA_KEY = 'bs.scrollspy';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$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 = $$$1.makeArray($$$1(this._selector));
                    targets.map(function (element) {
                        var target;
                        var targetSelector = Util.getSelectorFromElement(element);

                        if (targetSelector) {
                            target = $$$1(targetSelector)[0];
                        }

                        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 = _extends({}, Default, 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;
                    }

                    for (var i = this._offsets.length; 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(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() {
                    $$$1(this._selector).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
         * ------------------------------------------------------------------------
         */


        $$$1(window).on(Event.LOAD_DATA_API, function () {
            var scrollSpys = $$$1.makeArray($$$1(Selector.DATA_SPY));

            for (var i = scrollSpys.length; 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 (v4.0.0): tab.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    var Tab = function ($$$1) {
        /**
         * ------------------------------------------------------------------------
         * Constants
         * ------------------------------------------------------------------------
         */
        var NAME = 'tab';
        var VERSION = '4.0.0';
        var DATA_KEY = 'bs.tab';
        var EVENT_KEY = "." + DATA_KEY;
        var DATA_API_KEY = '.data-api';
        var JQUERY_NO_CONFLICT = $$$1.fn[NAME];
        var TRANSITION_DURATION = 150;
        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 = $$$1(selector)[0];
                    }

                    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 && Util.supportsTransitionEnd() && active && $$$1(active).hasClass(ClassName.FADE);

                    var complete = function complete() {
                        return _this2._transitionComplete(element, active, callback);
                    };

                    if (active && isTransitioning) {
                        $$$1(active).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
                    } 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) {
                            $$$1(dropdownElement).find(Selector.DROPDOWN_TOGGLE).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 (v4.0.0-alpha.6): 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});

})));
//# sourceMappingURL=bootstrap.bundle.js.map