1 |
- {"version":3,"file":"bootstrap.bundle.js","sources":["../../rollupPluginBabelHelpers","../../js/src/util.js","../../js/src/alert.js","../../js/src/button.js","../../js/src/carousel.js","../../js/src/collapse.js","../../node_modules/popper.js/dist/esm/popper.js","../../js/src/dropdown.js","../../js/src/modal.js","../../js/src/tooltip.js","../../js/src/popover.js","../../js/src/scrollspy.js","../../js/src/tab.js","../../js/src/index.js"],"sourcesContent":["export { _createClass as createClass, _extends as extends, _inheritsLoose as inheritsLoose };\n\nfunction _defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n}\n\nfunction _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n return Constructor;\n}\n\nfunction _extends() {\n _extends = Object.assign || function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n };\n\n return _extends.apply(this, arguments);\n}\n\nfunction _inheritsLoose(subClass, superClass) {\n subClass.prototype = Object.create(superClass.prototype);\n subClass.prototype.constructor = subClass;\n subClass.__proto__ = superClass;\n}","import $ from 'jquery'\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0): util.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Util = (($) => {\n /**\n * ------------------------------------------------------------------------\n * Private TransitionEnd Helpers\n * ------------------------------------------------------------------------\n */\n\n let transition = false\n\n const MAX_UID = 1000000\n\n // Shoutout AngusCroll (https://goo.gl/pxwQGp)\n function toType(obj) {\n return {}.toString.call(obj).match(/\\s([a-zA-Z]+)/)[1].toLowerCase()\n }\n\n function getSpecialTransitionEndEvent() {\n return {\n bindType: transition.end,\n delegateType: transition.end,\n handle(event) {\n if ($(event.target).is(this)) {\n return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params\n }\n return undefined // eslint-disable-line no-undefined\n }\n }\n }\n\n function transitionEndTest() {\n if (typeof window !== 'undefined' && window.QUnit) {\n return false\n }\n\n return {\n end: 'transitionend'\n }\n }\n\n function transitionEndEmulator(duration) {\n let called = false\n\n $(this).one(Util.TRANSITION_END, () => {\n called = true\n })\n\n setTimeout(() => {\n if (!called) {\n Util.triggerTransitionEnd(this)\n }\n }, duration)\n\n return this\n }\n\n function setTransitionEndSupport() {\n transition = transitionEndTest()\n\n $.fn.emulateTransitionEnd = transitionEndEmulator\n\n if (Util.supportsTransitionEnd()) {\n $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()\n }\n }\n\n function escapeId(selector) {\n // We escape IDs in case of special selectors (selector = '#myId:something')\n // $.escapeSelector does not exist in jQuery < 3\n selector = typeof $.escapeSelector === 'function' ? $.escapeSelector(selector).substr(1)\n : selector.replace(/(:|\\.|\\[|\\]|,|=|@)/g, '\\\\$1')\n\n return selector\n }\n\n /**\n * --------------------------------------------------------------------------\n * Public Util Api\n * --------------------------------------------------------------------------\n */\n\n const Util = {\n\n TRANSITION_END: 'bsTransitionEnd',\n\n getUID(prefix) {\n do {\n // eslint-disable-next-line no-bitwise\n prefix += ~~(Math.random() * MAX_UID) // \"~~\" acts like a faster Math.floor() here\n } while (document.getElementById(prefix))\n return prefix\n },\n\n getSelectorFromElement(element) {\n let selector = element.getAttribute('data-target')\n if (!selector || selector === '#') {\n selector = element.getAttribute('href') || ''\n }\n\n // If it's an ID\n if (selector.charAt(0) === '#') {\n selector = escapeId(selector)\n }\n\n try {\n const $selector = $(document).find(selector)\n return $selector.length > 0 ? selector : null\n } catch (err) {\n return null\n }\n },\n\n reflow(element) {\n return element.offsetHeight\n },\n\n triggerTransitionEnd(element) {\n $(element).trigger(transition.end)\n },\n\n supportsTransitionEnd() {\n return Boolean(transition)\n },\n\n isElement(obj) {\n return (obj[0] || obj).nodeType\n },\n\n typeCheckConfig(componentName, config, configTypes) {\n for (const property in configTypes) {\n if (Object.prototype.hasOwnProperty.call(configTypes, property)) {\n const expectedTypes = configTypes[property]\n const value = config[property]\n const valueType = value && Util.isElement(value)\n ? 'element' : toType(value)\n\n if (!new RegExp(expectedTypes).test(valueType)) {\n throw new Error(\n `${componentName.toUpperCase()}: ` +\n `Option \"${property}\" provided type \"${valueType}\" ` +\n `but expected type \"${expectedTypes}\".`)\n }\n }\n }\n }\n }\n\n setTransitionEndSupport()\n\n return Util\n})($)\n\nexport default Util\n","import $ from 'jquery'\nimport Util from './util'\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0): alert.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Alert = (($) => {\n /**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\n const NAME = 'alert'\n const VERSION = '4.0.0'\n const DATA_KEY = 'bs.alert'\n const EVENT_KEY = `.${DATA_KEY}`\n const DATA_API_KEY = '.data-api'\n const JQUERY_NO_CONFLICT = $.fn[NAME]\n const TRANSITION_DURATION = 150\n\n const Selector = {\n DISMISS : '[data-dismiss=\"alert\"]'\n }\n\n const Event = {\n CLOSE : `close${EVENT_KEY}`,\n CLOSED : `closed${EVENT_KEY}`,\n CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n }\n\n const ClassName = {\n ALERT : 'alert',\n FADE : 'fade',\n SHOW : 'show'\n }\n\n /**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\n class Alert {\n constructor(element) {\n this._element = element\n }\n\n // Getters\n\n static get VERSION() {\n return VERSION\n }\n\n // Public\n\n close(element) {\n element = element || this._element\n\n const rootElement = this._getRootElement(element)\n const customEvent = this._triggerCloseEvent(rootElement)\n\n if (customEvent.isDefaultPrevented()) {\n return\n }\n\n this._removeElement(rootElement)\n }\n\n dispose() {\n $.removeData(this._element, DATA_KEY)\n this._element = null\n }\n\n // Private\n\n _getRootElement(element) {\n const selector = Util.getSelectorFromElement(element)\n let parent = false\n\n if (selector) {\n parent = $(selector)[0]\n }\n\n if (!parent) {\n parent = $(element).closest(`.${ClassName.ALERT}`)[0]\n }\n\n return parent\n }\n\n _triggerCloseEvent(element) {\n const closeEvent = $.Event(Event.CLOSE)\n\n $(element).trigger(closeEvent)\n return closeEvent\n }\n\n _removeElement(element) {\n $(element).removeClass(ClassName.SHOW)\n\n if (!Util.supportsTransitionEnd() ||\n !$(element).hasClass(ClassName.FADE)) {\n this._destroyElement(element)\n return\n }\n\n $(element)\n .one(Util.TRANSITION_END, (event) => this._destroyElement(element, event))\n .emulateTransitionEnd(TRANSITION_DURATION)\n }\n\n _destroyElement(element) {\n $(element)\n .detach()\n .trigger(Event.CLOSED)\n .remove()\n }\n\n // Static\n\n static _jQueryInterface(config) {\n return this.each(function () {\n const $element = $(this)\n let data = $element.data(DATA_KEY)\n\n if (!data) {\n data = new Alert(this)\n $element.data(DATA_KEY, data)\n }\n\n if (config === 'close') {\n data[config](this)\n }\n })\n }\n\n static _handleDismiss(alertInstance) {\n return function (event) {\n if (event) {\n event.preventDefault()\n }\n\n alertInstance.close(this)\n }\n }\n }\n\n /**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n $(document).on(\n Event.CLICK_DATA_API,\n Selector.DISMISS,\n Alert._handleDismiss(new Alert())\n )\n\n /**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n $.fn[NAME] = Alert._jQueryInterface\n $.fn[NAME].Constructor = Alert\n $.fn[NAME].noConflict = function () {\n $.fn[NAME] = JQUERY_NO_CONFLICT\n return Alert._jQueryInterface\n }\n\n return Alert\n})($)\n\nexport default Alert\n","import $ from 'jquery'\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0): button.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Button = (($) => {\n /**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\n const NAME = 'button'\n const VERSION = '4.0.0'\n const DATA_KEY = 'bs.button'\n const EVENT_KEY = `.${DATA_KEY}`\n const DATA_API_KEY = '.data-api'\n const JQUERY_NO_CONFLICT = $.fn[NAME]\n\n const ClassName = {\n ACTIVE : 'active',\n BUTTON : 'btn',\n FOCUS : 'focus'\n }\n\n const Selector = {\n DATA_TOGGLE_CARROT : '[data-toggle^=\"button\"]',\n DATA_TOGGLE : '[data-toggle=\"buttons\"]',\n INPUT : 'input',\n ACTIVE : '.active',\n BUTTON : '.btn'\n }\n\n const Event = {\n CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`,\n FOCUS_BLUR_DATA_API : `focus${EVENT_KEY}${DATA_API_KEY} ` +\n `blur${EVENT_KEY}${DATA_API_KEY}`\n }\n\n /**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\n class Button {\n constructor(element) {\n this._element = element\n }\n\n // Getters\n\n static get VERSION() {\n return VERSION\n }\n\n // Public\n\n toggle() {\n let triggerChangeEvent = true\n let addAriaPressed = true\n const rootElement = $(this._element).closest(\n Selector.DATA_TOGGLE\n )[0]\n\n if (rootElement) {\n const input = $(this._element).find(Selector.INPUT)[0]\n\n if (input) {\n if (input.type === 'radio') {\n if (input.checked &&\n $(this._element).hasClass(ClassName.ACTIVE)) {\n triggerChangeEvent = false\n } else {\n const activeElement = $(rootElement).find(Selector.ACTIVE)[0]\n\n if (activeElement) {\n $(activeElement).removeClass(ClassName.ACTIVE)\n }\n }\n }\n\n if (triggerChangeEvent) {\n if (input.hasAttribute('disabled') ||\n rootElement.hasAttribute('disabled') ||\n input.classList.contains('disabled') ||\n rootElement.classList.contains('disabled')) {\n return\n }\n input.checked = !$(this._element).hasClass(ClassName.ACTIVE)\n $(input).trigger('change')\n }\n\n input.focus()\n addAriaPressed = false\n }\n }\n\n if (addAriaPressed) {\n this._element.setAttribute('aria-pressed',\n !$(this._element).hasClass(ClassName.ACTIVE))\n }\n\n if (triggerChangeEvent) {\n $(this._element).toggleClass(ClassName.ACTIVE)\n }\n }\n\n dispose() {\n $.removeData(this._element, DATA_KEY)\n this._element = null\n }\n\n // Static\n\n static _jQueryInterface(config) {\n return this.each(function () {\n let data = $(this).data(DATA_KEY)\n\n if (!data) {\n data = new Button(this)\n $(this).data(DATA_KEY, data)\n }\n\n if (config === 'toggle') {\n data[config]()\n }\n })\n }\n }\n\n /**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n $(document)\n .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n event.preventDefault()\n\n let button = event.target\n\n if (!$(button).hasClass(ClassName.BUTTON)) {\n button = $(button).closest(Selector.BUTTON)\n }\n\n Button._jQueryInterface.call($(button), 'toggle')\n })\n .on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n const button = $(event.target).closest(Selector.BUTTON)[0]\n $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type))\n })\n\n /**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n $.fn[NAME] = Button._jQueryInterface\n $.fn[NAME].Constructor = Button\n $.fn[NAME].noConflict = function () {\n $.fn[NAME] = JQUERY_NO_CONFLICT\n return Button._jQueryInterface\n }\n\n return Button\n})($)\n\nexport default Button\n","import $ from 'jquery'\nimport Util from './util'\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0): carousel.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Carousel = (($) => {\n /**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\n const NAME = 'carousel'\n const VERSION = '4.0.0'\n const DATA_KEY = 'bs.carousel'\n const EVENT_KEY = `.${DATA_KEY}`\n const DATA_API_KEY = '.data-api'\n const JQUERY_NO_CONFLICT = $.fn[NAME]\n const TRANSITION_DURATION = 600\n const ARROW_LEFT_KEYCODE = 37 // KeyboardEvent.which value for left arrow key\n const ARROW_RIGHT_KEYCODE = 39 // KeyboardEvent.which value for right arrow key\n const TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch\n\n const Default = {\n interval : 5000,\n keyboard : true,\n slide : false,\n pause : 'hover',\n wrap : true\n }\n\n const DefaultType = {\n interval : '(number|boolean)',\n keyboard : 'boolean',\n slide : '(boolean|string)',\n pause : '(string|boolean)',\n wrap : 'boolean'\n }\n\n const Direction = {\n NEXT : 'next',\n PREV : 'prev',\n LEFT : 'left',\n RIGHT : 'right'\n }\n\n const Event = {\n SLIDE : `slide${EVENT_KEY}`,\n SLID : `slid${EVENT_KEY}`,\n KEYDOWN : `keydown${EVENT_KEY}`,\n MOUSEENTER : `mouseenter${EVENT_KEY}`,\n MOUSELEAVE : `mouseleave${EVENT_KEY}`,\n TOUCHEND : `touchend${EVENT_KEY}`,\n LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`,\n CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n }\n\n const ClassName = {\n CAROUSEL : 'carousel',\n ACTIVE : 'active',\n SLIDE : 'slide',\n RIGHT : 'carousel-item-right',\n LEFT : 'carousel-item-left',\n NEXT : 'carousel-item-next',\n PREV : 'carousel-item-prev',\n ITEM : 'carousel-item'\n }\n\n const Selector = {\n ACTIVE : '.active',\n ACTIVE_ITEM : '.active.carousel-item',\n ITEM : '.carousel-item',\n NEXT_PREV : '.carousel-item-next, .carousel-item-prev',\n INDICATORS : '.carousel-indicators',\n DATA_SLIDE : '[data-slide], [data-slide-to]',\n DATA_RIDE : '[data-ride=\"carousel\"]'\n }\n\n /**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\n class Carousel {\n constructor(element, config) {\n this._items = null\n this._interval = null\n this._activeElement = null\n\n this._isPaused = false\n this._isSliding = false\n\n this.touchTimeout = null\n\n this._config = this._getConfig(config)\n this._element = $(element)[0]\n this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0]\n\n this._addEventListeners()\n }\n\n // Getters\n\n static get VERSION() {\n return VERSION\n }\n\n static get Default() {\n return Default\n }\n\n // Public\n\n next() {\n if (!this._isSliding) {\n this._slide(Direction.NEXT)\n }\n }\n\n nextWhenVisible() {\n // Don't call next when the page isn't visible\n // or the carousel or its parent isn't visible\n if (!document.hidden &&\n ($(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden')) {\n this.next()\n }\n }\n\n prev() {\n if (!this._isSliding) {\n this._slide(Direction.PREV)\n }\n }\n\n pause(event) {\n if (!event) {\n this._isPaused = true\n }\n\n if ($(this._element).find(Selector.NEXT_PREV)[0] &&\n Util.supportsTransitionEnd()) {\n Util.triggerTransitionEnd(this._element)\n this.cycle(true)\n }\n\n clearInterval(this._interval)\n this._interval = null\n }\n\n cycle(event) {\n if (!event) {\n this._isPaused = false\n }\n\n if (this._interval) {\n clearInterval(this._interval)\n this._interval = null\n }\n\n if (this._config.interval && !this._isPaused) {\n this._interval = setInterval(\n (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),\n this._config.interval\n )\n }\n }\n\n to(index) {\n this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]\n\n const activeIndex = this._getItemIndex(this._activeElement)\n\n if (index > this._items.length - 1 || index < 0) {\n return\n }\n\n if (this._isSliding) {\n $(this._element).one(Event.SLID, () => this.to(index))\n return\n }\n\n if (activeIndex === index) {\n this.pause()\n this.cycle()\n return\n }\n\n const direction = index > activeIndex\n ? Direction.NEXT\n : Direction.PREV\n\n this._slide(direction, this._items[index])\n }\n\n dispose() {\n $(this._element).off(EVENT_KEY)\n $.removeData(this._element, DATA_KEY)\n\n this._items = null\n this._config = null\n this._element = null\n this._interval = null\n this._isPaused = null\n this._isSliding = null\n this._activeElement = null\n this._indicatorsElement = null\n }\n\n // Private\n\n _getConfig(config) {\n config = {\n ...Default,\n ...config\n }\n Util.typeCheckConfig(NAME, config, DefaultType)\n return config\n }\n\n _addEventListeners() {\n if (this._config.keyboard) {\n $(this._element)\n .on(Event.KEYDOWN, (event) => this._keydown(event))\n }\n\n if (this._config.pause === 'hover') {\n $(this._element)\n .on(Event.MOUSEENTER, (event) => this.pause(event))\n .on(Event.MOUSELEAVE, (event) => this.cycle(event))\n if ('ontouchstart' in document.documentElement) {\n // If it's a touch-enabled device, mouseenter/leave are fired as\n // part of the mouse compatibility events on first tap - the carousel\n // would stop cycling until user tapped out of it;\n // here, we listen for touchend, explicitly pause the carousel\n // (as if it's the second time we tap on it, mouseenter compat event\n // is NOT fired) and after a timeout (to allow for mouse compatibility\n // events to fire) we explicitly restart cycling\n $(this._element).on(Event.TOUCHEND, () => {\n this.pause()\n if (this.touchTimeout) {\n clearTimeout(this.touchTimeout)\n }\n this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)\n })\n }\n }\n }\n\n _keydown(event) {\n if (/input|textarea/i.test(event.target.tagName)) {\n return\n }\n\n switch (event.which) {\n case ARROW_LEFT_KEYCODE:\n event.preventDefault()\n this.prev()\n break\n case ARROW_RIGHT_KEYCODE:\n event.preventDefault()\n this.next()\n break\n default:\n }\n }\n\n _getItemIndex(element) {\n this._items = $.makeArray($(element).parent().find(Selector.ITEM))\n return this._items.indexOf(element)\n }\n\n _getItemByDirection(direction, activeElement) {\n const isNextDirection = direction === Direction.NEXT\n const isPrevDirection = direction === Direction.PREV\n const activeIndex = this._getItemIndex(activeElement)\n const lastItemIndex = this._items.length - 1\n const isGoingToWrap = isPrevDirection && activeIndex === 0 ||\n isNextDirection && activeIndex === lastItemIndex\n\n if (isGoingToWrap && !this._config.wrap) {\n return activeElement\n }\n\n const delta = direction === Direction.PREV ? -1 : 1\n const itemIndex = (activeIndex + delta) % this._items.length\n\n return itemIndex === -1\n ? this._items[this._items.length - 1] : this._items[itemIndex]\n }\n\n _triggerSlideEvent(relatedTarget, eventDirectionName) {\n const targetIndex = this._getItemIndex(relatedTarget)\n const fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0])\n const slideEvent = $.Event(Event.SLIDE, {\n relatedTarget,\n direction: eventDirectionName,\n from: fromIndex,\n to: targetIndex\n })\n\n $(this._element).trigger(slideEvent)\n\n return slideEvent\n }\n\n _setActiveIndicatorElement(element) {\n if (this._indicatorsElement) {\n $(this._indicatorsElement)\n .find(Selector.ACTIVE)\n .removeClass(ClassName.ACTIVE)\n\n const nextIndicator = this._indicatorsElement.children[\n this._getItemIndex(element)\n ]\n\n if (nextIndicator) {\n $(nextIndicator).addClass(ClassName.ACTIVE)\n }\n }\n }\n\n _slide(direction, element) {\n const activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]\n const activeElementIndex = this._getItemIndex(activeElement)\n const nextElement = element || activeElement &&\n this._getItemByDirection(direction, activeElement)\n const nextElementIndex = this._getItemIndex(nextElement)\n const isCycling = Boolean(this._interval)\n\n let directionalClassName\n let orderClassName\n let eventDirectionName\n\n if (direction === Direction.NEXT) {\n directionalClassName = ClassName.LEFT\n orderClassName = ClassName.NEXT\n eventDirectionName = Direction.LEFT\n } else {\n directionalClassName = ClassName.RIGHT\n orderClassName = ClassName.PREV\n eventDirectionName = Direction.RIGHT\n }\n\n if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {\n this._isSliding = false\n return\n }\n\n const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)\n if (slideEvent.isDefaultPrevented()) {\n return\n }\n\n if (!activeElement || !nextElement) {\n // Some weirdness is happening, so we bail\n return\n }\n\n this._isSliding = true\n\n if (isCycling) {\n this.pause()\n }\n\n this._setActiveIndicatorElement(nextElement)\n\n const slidEvent = $.Event(Event.SLID, {\n relatedTarget: nextElement,\n direction: eventDirectionName,\n from: activeElementIndex,\n to: nextElementIndex\n })\n\n if (Util.supportsTransitionEnd() &&\n $(this._element).hasClass(ClassName.SLIDE)) {\n $(nextElement).addClass(orderClassName)\n\n Util.reflow(nextElement)\n\n $(activeElement).addClass(directionalClassName)\n $(nextElement).addClass(directionalClassName)\n\n $(activeElement)\n .one(Util.TRANSITION_END, () => {\n $(nextElement)\n .removeClass(`${directionalClassName} ${orderClassName}`)\n .addClass(ClassName.ACTIVE)\n\n $(activeElement).removeClass(`${ClassName.ACTIVE} ${orderClassName} ${directionalClassName}`)\n\n this._isSliding = false\n\n setTimeout(() => $(this._element).trigger(slidEvent), 0)\n })\n .emulateTransitionEnd(TRANSITION_DURATION)\n } else {\n $(activeElement).removeClass(ClassName.ACTIVE)\n $(nextElement).addClass(ClassName.ACTIVE)\n\n this._isSliding = false\n $(this._element).trigger(slidEvent)\n }\n\n if (isCycling) {\n this.cycle()\n }\n }\n\n // Static\n\n static _jQueryInterface(config) {\n return this.each(function () {\n let data = $(this).data(DATA_KEY)\n let _config = {\n ...Default,\n ...$(this).data()\n }\n\n if (typeof config === 'object') {\n _config = {\n ..._config,\n ...config\n }\n }\n\n const action = typeof config === 'string' ? config : _config.slide\n\n if (!data) {\n data = new Carousel(this, _config)\n $(this).data(DATA_KEY, data)\n }\n\n if (typeof config === 'number') {\n data.to(config)\n } else if (typeof action === 'string') {\n if (typeof data[action] === 'undefined') {\n throw new TypeError(`No method named \"${action}\"`)\n }\n data[action]()\n } else if (_config.interval) {\n data.pause()\n data.cycle()\n }\n })\n }\n\n static _dataApiClickHandler(event) {\n const selector = Util.getSelectorFromElement(this)\n\n if (!selector) {\n return\n }\n\n const target = $(selector)[0]\n\n if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {\n return\n }\n\n const config = {\n ...$(target).data(),\n ...$(this).data()\n }\n const slideIndex = this.getAttribute('data-slide-to')\n\n if (slideIndex) {\n config.interval = false\n }\n\n Carousel._jQueryInterface.call($(target), config)\n\n if (slideIndex) {\n $(target).data(DATA_KEY).to(slideIndex)\n }\n\n event.preventDefault()\n }\n }\n\n /**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n $(document)\n .on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler)\n\n $(window).on(Event.LOAD_DATA_API, () => {\n $(Selector.DATA_RIDE).each(function () {\n const $carousel = $(this)\n Carousel._jQueryInterface.call($carousel, $carousel.data())\n })\n })\n\n /**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n $.fn[NAME] = Carousel._jQueryInterface\n $.fn[NAME].Constructor = Carousel\n $.fn[NAME].noConflict = function () {\n $.fn[NAME] = JQUERY_NO_CONFLICT\n return Carousel._jQueryInterface\n }\n\n return Carousel\n})($)\n\nexport default Carousel\n","import $ from 'jquery'\nimport Util from './util'\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0): collapse.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Collapse = (($) => {\n /**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\n const NAME = 'collapse'\n const VERSION = '4.0.0'\n const DATA_KEY = 'bs.collapse'\n const EVENT_KEY = `.${DATA_KEY}`\n const DATA_API_KEY = '.data-api'\n const JQUERY_NO_CONFLICT = $.fn[NAME]\n const TRANSITION_DURATION = 600\n\n const Default = {\n toggle : true,\n parent : ''\n }\n\n const DefaultType = {\n toggle : 'boolean',\n parent : '(string|element)'\n }\n\n const Event = {\n SHOW : `show${EVENT_KEY}`,\n SHOWN : `shown${EVENT_KEY}`,\n HIDE : `hide${EVENT_KEY}`,\n HIDDEN : `hidden${EVENT_KEY}`,\n CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n }\n\n const ClassName = {\n SHOW : 'show',\n COLLAPSE : 'collapse',\n COLLAPSING : 'collapsing',\n COLLAPSED : 'collapsed'\n }\n\n const Dimension = {\n WIDTH : 'width',\n HEIGHT : 'height'\n }\n\n const Selector = {\n ACTIVES : '.show, .collapsing',\n DATA_TOGGLE : '[data-toggle=\"collapse\"]'\n }\n\n /**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\n class Collapse {\n constructor(element, config) {\n this._isTransitioning = false\n this._element = element\n this._config = this._getConfig(config)\n this._triggerArray = $.makeArray($(\n `[data-toggle=\"collapse\"][href=\"#${element.id}\"],` +\n `[data-toggle=\"collapse\"][data-target=\"#${element.id}\"]`\n ))\n const tabToggles = $(Selector.DATA_TOGGLE)\n for (let i = 0; i < tabToggles.length; i++) {\n const elem = tabToggles[i]\n const selector = Util.getSelectorFromElement(elem)\n if (selector !== null && $(selector).filter(element).length > 0) {\n this._selector = selector\n this._triggerArray.push(elem)\n }\n }\n\n this._parent = this._config.parent ? this._getParent() : null\n\n if (!this._config.parent) {\n this._addAriaAndCollapsedClass(this._element, this._triggerArray)\n }\n\n if (this._config.toggle) {\n this.toggle()\n }\n }\n\n // Getters\n\n static get VERSION() {\n return VERSION\n }\n\n static get Default() {\n return Default\n }\n\n // Public\n\n toggle() {\n if ($(this._element).hasClass(ClassName.SHOW)) {\n this.hide()\n } else {\n this.show()\n }\n }\n\n show() {\n if (this._isTransitioning ||\n $(this._element).hasClass(ClassName.SHOW)) {\n return\n }\n\n let actives\n let activesData\n\n if (this._parent) {\n actives = $.makeArray(\n $(this._parent)\n .find(Selector.ACTIVES)\n .filter(`[data-parent=\"${this._config.parent}\"]`)\n )\n if (actives.length === 0) {\n actives = null\n }\n }\n\n if (actives) {\n activesData = $(actives).not(this._selector).data(DATA_KEY)\n if (activesData && activesData._isTransitioning) {\n return\n }\n }\n\n const startEvent = $.Event(Event.SHOW)\n $(this._element).trigger(startEvent)\n if (startEvent.isDefaultPrevented()) {\n return\n }\n\n if (actives) {\n Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide')\n if (!activesData) {\n $(actives).data(DATA_KEY, null)\n }\n }\n\n const dimension = this._getDimension()\n\n $(this._element)\n .removeClass(ClassName.COLLAPSE)\n .addClass(ClassName.COLLAPSING)\n\n this._element.style[dimension] = 0\n\n if (this._triggerArray.length > 0) {\n $(this._triggerArray)\n .removeClass(ClassName.COLLAPSED)\n .attr('aria-expanded', true)\n }\n\n this.setTransitioning(true)\n\n const complete = () => {\n $(this._element)\n .removeClass(ClassName.COLLAPSING)\n .addClass(ClassName.COLLAPSE)\n .addClass(ClassName.SHOW)\n\n this._element.style[dimension] = ''\n\n this.setTransitioning(false)\n\n $(this._element).trigger(Event.SHOWN)\n }\n\n if (!Util.supportsTransitionEnd()) {\n complete()\n return\n }\n\n const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)\n const scrollSize = `scroll${capitalizedDimension}`\n\n $(this._element)\n .one(Util.TRANSITION_END, complete)\n .emulateTransitionEnd(TRANSITION_DURATION)\n\n this._element.style[dimension] = `${this._element[scrollSize]}px`\n }\n\n hide() {\n if (this._isTransitioning ||\n !$(this._element).hasClass(ClassName.SHOW)) {\n return\n }\n\n const startEvent = $.Event(Event.HIDE)\n $(this._element).trigger(startEvent)\n if (startEvent.isDefaultPrevented()) {\n return\n }\n\n const dimension = this._getDimension()\n\n this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`\n\n Util.reflow(this._element)\n\n $(this._element)\n .addClass(ClassName.COLLAPSING)\n .removeClass(ClassName.COLLAPSE)\n .removeClass(ClassName.SHOW)\n\n if (this._triggerArray.length > 0) {\n for (let i = 0; i < this._triggerArray.length; i++) {\n const trigger = this._triggerArray[i]\n const selector = Util.getSelectorFromElement(trigger)\n if (selector !== null) {\n const $elem = $(selector)\n if (!$elem.hasClass(ClassName.SHOW)) {\n $(trigger).addClass(ClassName.COLLAPSED)\n .attr('aria-expanded', false)\n }\n }\n }\n }\n\n this.setTransitioning(true)\n\n const complete = () => {\n this.setTransitioning(false)\n $(this._element)\n .removeClass(ClassName.COLLAPSING)\n .addClass(ClassName.COLLAPSE)\n .trigger(Event.HIDDEN)\n }\n\n this._element.style[dimension] = ''\n\n if (!Util.supportsTransitionEnd()) {\n complete()\n return\n }\n\n $(this._element)\n .one(Util.TRANSITION_END, complete)\n .emulateTransitionEnd(TRANSITION_DURATION)\n }\n\n setTransitioning(isTransitioning) {\n this._isTransitioning = isTransitioning\n }\n\n dispose() {\n $.removeData(this._element, DATA_KEY)\n\n this._config = null\n this._parent = null\n this._element = null\n this._triggerArray = null\n this._isTransitioning = null\n }\n\n // Private\n\n _getConfig(config) {\n config = {\n ...Default,\n ...config\n }\n config.toggle = Boolean(config.toggle) // Coerce string values\n Util.typeCheckConfig(NAME, config, DefaultType)\n return config\n }\n\n _getDimension() {\n const hasWidth = $(this._element).hasClass(Dimension.WIDTH)\n return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT\n }\n\n _getParent() {\n let parent = null\n if (Util.isElement(this._config.parent)) {\n parent = this._config.parent\n\n // It's a jQuery object\n if (typeof this._config.parent.jquery !== 'undefined') {\n parent = this._config.parent[0]\n }\n } else {\n parent = $(this._config.parent)[0]\n }\n\n const selector =\n `[data-toggle=\"collapse\"][data-parent=\"${this._config.parent}\"]`\n\n $(parent).find(selector).each((i, element) => {\n this._addAriaAndCollapsedClass(\n Collapse._getTargetFromElement(element),\n [element]\n )\n })\n\n return parent\n }\n\n _addAriaAndCollapsedClass(element, triggerArray) {\n if (element) {\n const isOpen = $(element).hasClass(ClassName.SHOW)\n\n if (triggerArray.length > 0) {\n $(triggerArray)\n .toggleClass(ClassName.COLLAPSED, !isOpen)\n .attr('aria-expanded', isOpen)\n }\n }\n }\n\n // Static\n\n static _getTargetFromElement(element) {\n const selector = Util.getSelectorFromElement(element)\n return selector ? $(selector)[0] : null\n }\n\n static _jQueryInterface(config) {\n return this.each(function () {\n const $this = $(this)\n let data = $this.data(DATA_KEY)\n const _config = {\n ...Default,\n ...$this.data(),\n ...typeof config === 'object' && config\n }\n\n if (!data && _config.toggle && /show|hide/.test(config)) {\n _config.toggle = false\n }\n\n if (!data) {\n data = new Collapse(this, _config)\n $this.data(DATA_KEY, data)\n }\n\n if (typeof config === 'string') {\n if (typeof data[config] === 'undefined') {\n throw new TypeError(`No method named \"${config}\"`)\n }\n data[config]()\n }\n })\n }\n }\n\n /**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n // preventDefault only for <a> elements (which change the URL) not inside the collapsible element\n if (event.currentTarget.tagName === 'A') {\n event.preventDefault()\n }\n\n const $trigger = $(this)\n const selector = Util.getSelectorFromElement(this)\n $(selector).each(function () {\n const $target = $(this)\n const data = $target.data(DATA_KEY)\n const config = data ? 'toggle' : $trigger.data()\n Collapse._jQueryInterface.call($target, config)\n })\n })\n\n /**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n $.fn[NAME] = Collapse._jQueryInterface\n $.fn[NAME].Constructor = Collapse\n $.fn[NAME].noConflict = function () {\n $.fn[NAME] = JQUERY_NO_CONFLICT\n return Collapse._jQueryInterface\n }\n\n return Collapse\n})($)\n\nexport default Collapse\n","/**!\n * @fileOverview Kickass library to create and place poppers near their reference elements.\n * @version 1.12.9\n * @license\n * Copyright (c) 2016 Federico Zivolo and contributors\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\nvar isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined';\nvar longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];\nvar timeoutDuration = 0;\nfor (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {\n if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {\n timeoutDuration = 1;\n break;\n }\n}\n\nfunction microtaskDebounce(fn) {\n var called = false;\n return function () {\n if (called) {\n return;\n }\n called = true;\n window.Promise.resolve().then(function () {\n called = false;\n fn();\n });\n };\n}\n\nfunction taskDebounce(fn) {\n var scheduled = false;\n return function () {\n if (!scheduled) {\n scheduled = true;\n setTimeout(function () {\n scheduled = false;\n fn();\n }, timeoutDuration);\n }\n };\n}\n\nvar supportsMicroTasks = isBrowser && window.Promise;\n\n/**\n* Create a debounced version of a method, that's asynchronously deferred\n* but called in the minimum time possible.\n*\n* @method\n* @memberof Popper.Utils\n* @argument {Function} fn\n* @returns {Function}\n*/\nvar debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;\n\n/**\n * Check if the given variable is a function\n * @method\n * @memberof Popper.Utils\n * @argument {Any} functionToCheck - variable to check\n * @returns {Boolean} answer to: is a function?\n */\nfunction isFunction(functionToCheck) {\n var getType = {};\n return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';\n}\n\n/**\n * Get CSS computed property of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Eement} element\n * @argument {String} property\n */\nfunction getStyleComputedProperty(element, property) {\n if (element.nodeType !== 1) {\n return [];\n }\n // NOTE: 1 DOM access here\n var css = getComputedStyle(element, null);\n return property ? css[property] : css;\n}\n\n/**\n * Returns the parentNode or the host of the element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} parent\n */\nfunction getParentNode(element) {\n if (element.nodeName === 'HTML') {\n return element;\n }\n return element.parentNode || element.host;\n}\n\n/**\n * Returns the scrolling parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} scroll parent\n */\nfunction getScrollParent(element) {\n // Return body, `getScroll` will take care to get the correct `scrollTop` from it\n if (!element) {\n return document.body;\n }\n\n switch (element.nodeName) {\n case 'HTML':\n case 'BODY':\n return element.ownerDocument.body;\n case '#document':\n return element.body;\n }\n\n // Firefox want us to check `-x` and `-y` variations as well\n\n var _getStyleComputedProp = getStyleComputedProperty(element),\n overflow = _getStyleComputedProp.overflow,\n overflowX = _getStyleComputedProp.overflowX,\n overflowY = _getStyleComputedProp.overflowY;\n\n if (/(auto|scroll)/.test(overflow + overflowY + overflowX)) {\n return element;\n }\n\n return getScrollParent(getParentNode(element));\n}\n\n/**\n * Returns the offset parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} offset parent\n */\nfunction getOffsetParent(element) {\n // NOTE: 1 DOM access here\n var offsetParent = element && element.offsetParent;\n var nodeName = offsetParent && offsetParent.nodeName;\n\n if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {\n if (element) {\n return element.ownerDocument.documentElement;\n }\n\n return document.documentElement;\n }\n\n // .offsetParent will return the closest TD or TABLE in case\n // no offsetParent is present, I hate this job...\n if (['TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {\n return getOffsetParent(offsetParent);\n }\n\n return offsetParent;\n}\n\nfunction isOffsetContainer(element) {\n var nodeName = element.nodeName;\n\n if (nodeName === 'BODY') {\n return false;\n }\n return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;\n}\n\n/**\n * Finds the root node (document, shadowDOM root) of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} node\n * @returns {Element} root node\n */\nfunction getRoot(node) {\n if (node.parentNode !== null) {\n return getRoot(node.parentNode);\n }\n\n return node;\n}\n\n/**\n * Finds the offset parent common to the two provided nodes\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element1\n * @argument {Element} element2\n * @returns {Element} common offset parent\n */\nfunction findCommonOffsetParent(element1, element2) {\n // This check is needed to avoid errors in case one of the elements isn't defined for any reason\n if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {\n return document.documentElement;\n }\n\n // Here we make sure to give as \"start\" the element that comes first in the DOM\n var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;\n var start = order ? element1 : element2;\n var end = order ? element2 : element1;\n\n // Get common ancestor container\n var range = document.createRange();\n range.setStart(start, 0);\n range.setEnd(end, 0);\n var commonAncestorContainer = range.commonAncestorContainer;\n\n // Both nodes are inside #document\n\n if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {\n if (isOffsetContainer(commonAncestorContainer)) {\n return commonAncestorContainer;\n }\n\n return getOffsetParent(commonAncestorContainer);\n }\n\n // one of the nodes is inside shadowDOM, find which one\n var element1root = getRoot(element1);\n if (element1root.host) {\n return findCommonOffsetParent(element1root.host, element2);\n } else {\n return findCommonOffsetParent(element1, getRoot(element2).host);\n }\n}\n\n/**\n * Gets the scroll value of the given element in the given side (top and left)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {String} side `top` or `left`\n * @returns {number} amount of scrolled pixels\n */\nfunction getScroll(element) {\n var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';\n\n var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';\n var nodeName = element.nodeName;\n\n if (nodeName === 'BODY' || nodeName === 'HTML') {\n var html = element.ownerDocument.documentElement;\n var scrollingElement = element.ownerDocument.scrollingElement || html;\n return scrollingElement[upperSide];\n }\n\n return element[upperSide];\n}\n\n/*\n * Sum or subtract the element scroll values (left and top) from a given rect object\n * @method\n * @memberof Popper.Utils\n * @param {Object} rect - Rect object you want to change\n * @param {HTMLElement} element - The element from the function reads the scroll values\n * @param {Boolean} subtract - set to true if you want to subtract the scroll values\n * @return {Object} rect - The modifier rect object\n */\nfunction includeScroll(rect, element) {\n var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n\n var scrollTop = getScroll(element, 'top');\n var scrollLeft = getScroll(element, 'left');\n var modifier = subtract ? -1 : 1;\n rect.top += scrollTop * modifier;\n rect.bottom += scrollTop * modifier;\n rect.left += scrollLeft * modifier;\n rect.right += scrollLeft * modifier;\n return rect;\n}\n\n/*\n * Helper to detect borders of a given element\n * @method\n * @memberof Popper.Utils\n * @param {CSSStyleDeclaration} styles\n * Result of `getStyleComputedProperty` on the given element\n * @param {String} axis - `x` or `y`\n * @return {number} borders - The borders size of the given axis\n */\n\nfunction getBordersSize(styles, axis) {\n var sideA = axis === 'x' ? 'Left' : 'Top';\n var sideB = sideA === 'Left' ? 'Right' : 'Bottom';\n\n return parseFloat(styles['border' + sideA + 'Width'], 10) + parseFloat(styles['border' + sideB + 'Width'], 10);\n}\n\n/**\n * Tells if you are running Internet Explorer 10\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean} isIE10\n */\nvar isIE10 = undefined;\n\nvar isIE10$1 = function () {\n if (isIE10 === undefined) {\n isIE10 = navigator.appVersion.indexOf('MSIE 10') !== -1;\n }\n return isIE10;\n};\n\nfunction getSize(axis, body, html, computedStyle) {\n 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);\n}\n\nfunction getWindowSizes() {\n var body = document.body;\n var html = document.documentElement;\n var computedStyle = isIE10$1() && getComputedStyle(html);\n\n return {\n height: getSize('Height', body, html, computedStyle),\n width: getSize('Width', body, html, computedStyle)\n };\n}\n\nvar classCallCheck = function (instance, Constructor) {\n if (!(instance instanceof Constructor)) {\n throw new TypeError(\"Cannot call a class as a function\");\n }\n};\n\nvar createClass = function () {\n function defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n }\n\n return function (Constructor, protoProps, staticProps) {\n if (protoProps) defineProperties(Constructor.prototype, protoProps);\n if (staticProps) defineProperties(Constructor, staticProps);\n return Constructor;\n };\n}();\n\n\n\n\n\nvar defineProperty = function (obj, key, value) {\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n\n return obj;\n};\n\nvar _extends = Object.assign || function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n};\n\n/**\n * Given element offsets, generate an output similar to getBoundingClientRect\n * @method\n * @memberof Popper.Utils\n * @argument {Object} offsets\n * @returns {Object} ClientRect like output\n */\nfunction getClientRect(offsets) {\n return _extends({}, offsets, {\n right: offsets.left + offsets.width,\n bottom: offsets.top + offsets.height\n });\n}\n\n/**\n * Get bounding client rect of given element\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} element\n * @return {Object} client rect\n */\nfunction getBoundingClientRect(element) {\n var rect = {};\n\n // IE10 10 FIX: Please, don't ask, the element isn't\n // considered in DOM in some circumstances...\n // This isn't reproducible in IE10 compatibility mode of IE11\n if (isIE10$1()) {\n try {\n rect = element.getBoundingClientRect();\n var scrollTop = getScroll(element, 'top');\n var scrollLeft = getScroll(element, 'left');\n rect.top += scrollTop;\n rect.left += scrollLeft;\n rect.bottom += scrollTop;\n rect.right += scrollLeft;\n } catch (err) {}\n } else {\n rect = element.getBoundingClientRect();\n }\n\n var result = {\n left: rect.left,\n top: rect.top,\n width: rect.right - rect.left,\n height: rect.bottom - rect.top\n };\n\n // subtract scrollbar size from sizes\n var sizes = element.nodeName === 'HTML' ? getWindowSizes() : {};\n var width = sizes.width || element.clientWidth || result.right - result.left;\n var height = sizes.height || element.clientHeight || result.bottom - result.top;\n\n var horizScrollbar = element.offsetWidth - width;\n var vertScrollbar = element.offsetHeight - height;\n\n // if an hypothetical scrollbar is detected, we must be sure it's not a `border`\n // we make this check conditional for performance reasons\n if (horizScrollbar || vertScrollbar) {\n var styles = getStyleComputedProperty(element);\n horizScrollbar -= getBordersSize(styles, 'x');\n vertScrollbar -= getBordersSize(styles, 'y');\n\n result.width -= horizScrollbar;\n result.height -= vertScrollbar;\n }\n\n return getClientRect(result);\n}\n\nfunction getOffsetRectRelativeToArbitraryNode(children, parent) {\n var isIE10 = isIE10$1();\n var isHTML = parent.nodeName === 'HTML';\n var childrenRect = getBoundingClientRect(children);\n var parentRect = getBoundingClientRect(parent);\n var scrollParent = getScrollParent(children);\n\n var styles = getStyleComputedProperty(parent);\n var borderTopWidth = parseFloat(styles.borderTopWidth, 10);\n var borderLeftWidth = parseFloat(styles.borderLeftWidth, 10);\n\n var offsets = getClientRect({\n top: childrenRect.top - parentRect.top - borderTopWidth,\n left: childrenRect.left - parentRect.left - borderLeftWidth,\n width: childrenRect.width,\n height: childrenRect.height\n });\n offsets.marginTop = 0;\n offsets.marginLeft = 0;\n\n // Subtract margins of documentElement in case it's being used as parent\n // we do this only on HTML because it's the only element that behaves\n // differently when margins are applied to it. The margins are included in\n // the box of the documentElement, in the other cases not.\n if (!isIE10 && isHTML) {\n var marginTop = parseFloat(styles.marginTop, 10);\n var marginLeft = parseFloat(styles.marginLeft, 10);\n\n offsets.top -= borderTopWidth - marginTop;\n offsets.bottom -= borderTopWidth - marginTop;\n offsets.left -= borderLeftWidth - marginLeft;\n offsets.right -= borderLeftWidth - marginLeft;\n\n // Attach marginTop and marginLeft because in some circumstances we may need them\n offsets.marginTop = marginTop;\n offsets.marginLeft = marginLeft;\n }\n\n if (isIE10 ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {\n offsets = includeScroll(offsets, parent);\n }\n\n return offsets;\n}\n\nfunction getViewportOffsetRectRelativeToArtbitraryNode(element) {\n var html = element.ownerDocument.documentElement;\n var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);\n var width = Math.max(html.clientWidth, window.innerWidth || 0);\n var height = Math.max(html.clientHeight, window.innerHeight || 0);\n\n var scrollTop = getScroll(html);\n var scrollLeft = getScroll(html, 'left');\n\n var offset = {\n top: scrollTop - relativeOffset.top + relativeOffset.marginTop,\n left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,\n width: width,\n height: height\n };\n\n return getClientRect(offset);\n}\n\n/**\n * Check if the given element is fixed or is inside a fixed parent\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {Element} customContainer\n * @returns {Boolean} answer to \"isFixed?\"\n */\nfunction isFixed(element) {\n var nodeName = element.nodeName;\n if (nodeName === 'BODY' || nodeName === 'HTML') {\n return false;\n }\n if (getStyleComputedProperty(element, 'position') === 'fixed') {\n return true;\n }\n return isFixed(getParentNode(element));\n}\n\n/**\n * Computed the boundaries limits and return them\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} popper\n * @param {HTMLElement} reference\n * @param {number} padding\n * @param {HTMLElement} boundariesElement - Element used to define the boundaries\n * @returns {Object} Coordinates of the boundaries\n */\nfunction getBoundaries(popper, reference, padding, boundariesElement) {\n // NOTE: 1 DOM access here\n var boundaries = { top: 0, left: 0 };\n var offsetParent = findCommonOffsetParent(popper, reference);\n\n // Handle viewport case\n if (boundariesElement === 'viewport') {\n boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent);\n } else {\n // Handle other cases based on DOM element used as boundaries\n var boundariesNode = void 0;\n if (boundariesElement === 'scrollParent') {\n boundariesNode = getScrollParent(getParentNode(reference));\n if (boundariesNode.nodeName === 'BODY') {\n boundariesNode = popper.ownerDocument.documentElement;\n }\n } else if (boundariesElement === 'window') {\n boundariesNode = popper.ownerDocument.documentElement;\n } else {\n boundariesNode = boundariesElement;\n }\n\n var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent);\n\n // In case of HTML, we need a different computation\n if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {\n var _getWindowSizes = getWindowSizes(),\n height = _getWindowSizes.height,\n width = _getWindowSizes.width;\n\n boundaries.top += offsets.top - offsets.marginTop;\n boundaries.bottom = height + offsets.top;\n boundaries.left += offsets.left - offsets.marginLeft;\n boundaries.right = width + offsets.left;\n } else {\n // for all the other DOM elements, this one is good\n boundaries = offsets;\n }\n }\n\n // Add paddings\n boundaries.left += padding;\n boundaries.top += padding;\n boundaries.right -= padding;\n boundaries.bottom -= padding;\n\n return boundaries;\n}\n\nfunction getArea(_ref) {\n var width = _ref.width,\n height = _ref.height;\n\n return width * height;\n}\n\n/**\n * Utility used to transform the `auto` placement to the placement with more\n * available space.\n * @method\n * @memberof Popper.Utils\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {\n var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;\n\n if (placement.indexOf('auto') === -1) {\n return placement;\n }\n\n var boundaries = getBoundaries(popper, reference, padding, boundariesElement);\n\n var rects = {\n top: {\n width: boundaries.width,\n height: refRect.top - boundaries.top\n },\n right: {\n width: boundaries.right - refRect.right,\n height: boundaries.height\n },\n bottom: {\n width: boundaries.width,\n height: boundaries.bottom - refRect.bottom\n },\n left: {\n width: refRect.left - boundaries.left,\n height: boundaries.height\n }\n };\n\n var sortedAreas = Object.keys(rects).map(function (key) {\n return _extends({\n key: key\n }, rects[key], {\n area: getArea(rects[key])\n });\n }).sort(function (a, b) {\n return b.area - a.area;\n });\n\n var filteredAreas = sortedAreas.filter(function (_ref2) {\n var width = _ref2.width,\n height = _ref2.height;\n return width >= popper.clientWidth && height >= popper.clientHeight;\n });\n\n var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;\n\n var variation = placement.split('-')[1];\n\n return computedPlacement + (variation ? '-' + variation : '');\n}\n\n/**\n * Get offsets to the reference element\n * @method\n * @memberof Popper.Utils\n * @param {Object} state\n * @param {Element} popper - the popper element\n * @param {Element} reference - the reference element (the popper will be relative to this)\n * @returns {Object} An object containing the offsets which will be applied to the popper\n */\nfunction getReferenceOffsets(state, popper, reference) {\n var commonOffsetParent = findCommonOffsetParent(popper, reference);\n return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent);\n}\n\n/**\n * Get the outer sizes of the given element (offset size + margins)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Object} object containing width and height properties\n */\nfunction getOuterSizes(element) {\n var styles = getComputedStyle(element);\n var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom);\n var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight);\n var result = {\n width: element.offsetWidth + y,\n height: element.offsetHeight + x\n };\n return result;\n}\n\n/**\n * Get the opposite placement of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement\n * @returns {String} flipped placement\n */\nfunction getOppositePlacement(placement) {\n var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };\n return placement.replace(/left|right|bottom|top/g, function (matched) {\n return hash[matched];\n });\n}\n\n/**\n * Get offsets to the popper\n * @method\n * @memberof Popper.Utils\n * @param {Object} position - CSS position the Popper will get applied\n * @param {HTMLElement} popper - the popper element\n * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this)\n * @param {String} placement - one of the valid placement options\n * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper\n */\nfunction getPopperOffsets(popper, referenceOffsets, placement) {\n placement = placement.split('-')[0];\n\n // Get popper node sizes\n var popperRect = getOuterSizes(popper);\n\n // Add position, width and height to our offsets object\n var popperOffsets = {\n width: popperRect.width,\n height: popperRect.height\n };\n\n // depending by the popper placement we have to compute its offsets slightly differently\n var isHoriz = ['right', 'left'].indexOf(placement) !== -1;\n var mainSide = isHoriz ? 'top' : 'left';\n var secondarySide = isHoriz ? 'left' : 'top';\n var measurement = isHoriz ? 'height' : 'width';\n var secondaryMeasurement = !isHoriz ? 'height' : 'width';\n\n popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;\n if (placement === secondarySide) {\n popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];\n } else {\n popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];\n }\n\n return popperOffsets;\n}\n\n/**\n * Mimics the `find` method of Array\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction find(arr, check) {\n // use native find if supported\n if (Array.prototype.find) {\n return arr.find(check);\n }\n\n // use `filter` to obtain the same behavior of `find`\n return arr.filter(check)[0];\n}\n\n/**\n * Return the index of the matching object\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction findIndex(arr, prop, value) {\n // use native findIndex if supported\n if (Array.prototype.findIndex) {\n return arr.findIndex(function (cur) {\n return cur[prop] === value;\n });\n }\n\n // use `find` + `indexOf` if `findIndex` isn't supported\n var match = find(arr, function (obj) {\n return obj[prop] === value;\n });\n return arr.indexOf(match);\n}\n\n/**\n * Loop trough the list of modifiers and run them in order,\n * each of them will then edit the data object.\n * @method\n * @memberof Popper.Utils\n * @param {dataObject} data\n * @param {Array} modifiers\n * @param {String} ends - Optional modifier name used as stopper\n * @returns {dataObject}\n */\nfunction runModifiers(modifiers, data, ends) {\n var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));\n\n modifiersToRun.forEach(function (modifier) {\n if (modifier['function']) {\n // eslint-disable-line dot-notation\n console.warn('`modifier.function` is deprecated, use `modifier.fn`!');\n }\n var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation\n if (modifier.enabled && isFunction(fn)) {\n // Add properties to offsets to make them a complete clientRect object\n // we do this before each modifier to make sure the previous one doesn't\n // mess with these values\n data.offsets.popper = getClientRect(data.offsets.popper);\n data.offsets.reference = getClientRect(data.offsets.reference);\n\n data = fn(data, modifier);\n }\n });\n\n return data;\n}\n\n/**\n * Updates the position of the popper, computing the new offsets and applying\n * the new style.<br />\n * Prefer `scheduleUpdate` over `update` because of performance reasons.\n * @method\n * @memberof Popper\n */\nfunction update() {\n // if popper is destroyed, don't perform any further update\n if (this.state.isDestroyed) {\n return;\n }\n\n var data = {\n instance: this,\n styles: {},\n arrowStyles: {},\n attributes: {},\n flipped: false,\n offsets: {}\n };\n\n // compute reference element offsets\n data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference);\n\n // compute auto placement, store placement inside the data object,\n // modifiers will be able to edit `placement` if needed\n // and refer to originalPlacement to know the original value\n data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);\n\n // store the computed placement inside `originalPlacement`\n data.originalPlacement = data.placement;\n\n // compute the popper offsets\n data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);\n data.offsets.popper.position = 'absolute';\n\n // run the modifiers\n data = runModifiers(this.modifiers, data);\n\n // the first `update` will call `onCreate` callback\n // the other ones will call `onUpdate` callback\n if (!this.state.isCreated) {\n this.state.isCreated = true;\n this.options.onCreate(data);\n } else {\n this.options.onUpdate(data);\n }\n}\n\n/**\n * Helper used to know if the given modifier is enabled.\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean}\n */\nfunction isModifierEnabled(modifiers, modifierName) {\n return modifiers.some(function (_ref) {\n var name = _ref.name,\n enabled = _ref.enabled;\n return enabled && name === modifierName;\n });\n}\n\n/**\n * Get the prefixed supported property name\n * @method\n * @memberof Popper.Utils\n * @argument {String} property (camelCase)\n * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)\n */\nfunction getSupportedPropertyName(property) {\n var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];\n var upperProp = property.charAt(0).toUpperCase() + property.slice(1);\n\n for (var i = 0; i < prefixes.length - 1; i++) {\n var prefix = prefixes[i];\n var toCheck = prefix ? '' + prefix + upperProp : property;\n if (typeof document.body.style[toCheck] !== 'undefined') {\n return toCheck;\n }\n }\n return null;\n}\n\n/**\n * Destroy the popper\n * @method\n * @memberof Popper\n */\nfunction destroy() {\n this.state.isDestroyed = true;\n\n // touch DOM only if `applyStyle` modifier is enabled\n if (isModifierEnabled(this.modifiers, 'applyStyle')) {\n this.popper.removeAttribute('x-placement');\n this.popper.style.left = '';\n this.popper.style.position = '';\n this.popper.style.top = '';\n this.popper.style[getSupportedPropertyName('transform')] = '';\n }\n\n this.disableEventListeners();\n\n // remove the popper if user explicity asked for the deletion on destroy\n // do not use `remove` because IE11 doesn't support it\n if (this.options.removeOnDestroy) {\n this.popper.parentNode.removeChild(this.popper);\n }\n return this;\n}\n\n/**\n * Get the window associated with the element\n * @argument {Element} element\n * @returns {Window}\n */\nfunction getWindow(element) {\n var ownerDocument = element.ownerDocument;\n return ownerDocument ? ownerDocument.defaultView : window;\n}\n\nfunction attachToScrollParents(scrollParent, event, callback, scrollParents) {\n var isBody = scrollParent.nodeName === 'BODY';\n var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;\n target.addEventListener(event, callback, { passive: true });\n\n if (!isBody) {\n attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);\n }\n scrollParents.push(target);\n}\n\n/**\n * Setup needed event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction setupEventListeners(reference, options, state, updateBound) {\n // Resize event listener on window\n state.updateBound = updateBound;\n getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });\n\n // Scroll event listener on scroll parents\n var scrollElement = getScrollParent(reference);\n attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);\n state.scrollElement = scrollElement;\n state.eventsEnabled = true;\n\n return state;\n}\n\n/**\n * It will add resize/scroll events and start recalculating\n * position of the popper element when they are triggered.\n * @method\n * @memberof Popper\n */\nfunction enableEventListeners() {\n if (!this.state.eventsEnabled) {\n this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);\n }\n}\n\n/**\n * Remove event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction removeEventListeners(reference, state) {\n // Remove resize event listener on window\n getWindow(reference).removeEventListener('resize', state.updateBound);\n\n // Remove scroll event listener on scroll parents\n state.scrollParents.forEach(function (target) {\n target.removeEventListener('scroll', state.updateBound);\n });\n\n // Reset state\n state.updateBound = null;\n state.scrollParents = [];\n state.scrollElement = null;\n state.eventsEnabled = false;\n return state;\n}\n\n/**\n * It will remove resize/scroll events and won't recalculate popper position\n * when they are triggered. It also won't trigger onUpdate callback anymore,\n * unless you call `update` method manually.\n * @method\n * @memberof Popper\n */\nfunction disableEventListeners() {\n if (this.state.eventsEnabled) {\n cancelAnimationFrame(this.scheduleUpdate);\n this.state = removeEventListeners(this.reference, this.state);\n }\n}\n\n/**\n * Tells if a given input is a number\n * @method\n * @memberof Popper.Utils\n * @param {*} input to check\n * @return {Boolean}\n */\nfunction isNumeric(n) {\n return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);\n}\n\n/**\n * Set the style to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the style to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setStyles(element, styles) {\n Object.keys(styles).forEach(function (prop) {\n var unit = '';\n // add unit if the value is numeric and is one of the following\n if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {\n unit = 'px';\n }\n element.style[prop] = styles[prop] + unit;\n });\n}\n\n/**\n * Set the attributes to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the attributes to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setAttributes(element, attributes) {\n Object.keys(attributes).forEach(function (prop) {\n var value = attributes[prop];\n if (value !== false) {\n element.setAttribute(prop, attributes[prop]);\n } else {\n element.removeAttribute(prop);\n }\n });\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} data.styles - List of style properties - values to apply to popper element\n * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The same data object\n */\nfunction applyStyle(data) {\n // any property present in `data.styles` will be applied to the popper,\n // in this way we can make the 3rd party modifiers add custom styles to it\n // Be aware, modifiers could override the properties defined in the previous\n // lines of this modifier!\n setStyles(data.instance.popper, data.styles);\n\n // any property present in `data.attributes` will be applied to the popper,\n // they will be set as HTML attributes of the element\n setAttributes(data.instance.popper, data.attributes);\n\n // if arrowElement is defined and arrowStyles has some properties\n if (data.arrowElement && Object.keys(data.arrowStyles).length) {\n setStyles(data.arrowElement, data.arrowStyles);\n }\n\n return data;\n}\n\n/**\n * Set the x-placement attribute before everything else because it could be used\n * to add margins to the popper margins needs to be calculated to get the\n * correct popper offsets.\n * @method\n * @memberof Popper.modifiers\n * @param {HTMLElement} reference - The reference element used to position the popper\n * @param {HTMLElement} popper - The HTML element used as popper.\n * @param {Object} options - Popper.js options\n */\nfunction applyStyleOnLoad(reference, popper, options, modifierOptions, state) {\n // compute reference element offsets\n var referenceOffsets = getReferenceOffsets(state, popper, reference);\n\n // compute auto placement, store placement inside the data object,\n // modifiers will be able to edit `placement` if needed\n // and refer to originalPlacement to know the original value\n var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);\n\n popper.setAttribute('x-placement', placement);\n\n // Apply `position` to popper before anything else because\n // without the position applied we can't guarantee correct computations\n setStyles(popper, { position: 'absolute' });\n\n return options;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeStyle(data, options) {\n var x = options.x,\n y = options.y;\n var popper = data.offsets.popper;\n\n // Remove this legacy support in Popper.js v2\n\n var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {\n return modifier.name === 'applyStyle';\n }).gpuAcceleration;\n if (legacyGpuAccelerationOption !== undefined) {\n console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');\n }\n var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;\n\n var offsetParent = getOffsetParent(data.instance.popper);\n var offsetParentRect = getBoundingClientRect(offsetParent);\n\n // Styles\n var styles = {\n position: popper.position\n };\n\n // floor sides to avoid blurry text\n var offsets = {\n left: Math.floor(popper.left),\n top: Math.floor(popper.top),\n bottom: Math.floor(popper.bottom),\n right: Math.floor(popper.right)\n };\n\n var sideA = x === 'bottom' ? 'top' : 'bottom';\n var sideB = y === 'right' ? 'left' : 'right';\n\n // if gpuAcceleration is set to `true` and transform is supported,\n // we use `translate3d` to apply the position to the popper we\n // automatically use the supported prefixed version if needed\n var prefixedProperty = getSupportedPropertyName('transform');\n\n // now, let's make a step back and look at this code closely (wtf?)\n // If the content of the popper grows once it's been positioned, it\n // may happen that the popper gets misplaced because of the new content\n // overflowing its reference element\n // To avoid this problem, we provide two options (x and y), which allow\n // the consumer to define the offset origin.\n // If we position a popper on top of a reference element, we can set\n // `x` to `top` to make the popper grow towards its top instead of\n // its bottom.\n var left = void 0,\n top = void 0;\n if (sideA === 'bottom') {\n top = -offsetParentRect.height + offsets.bottom;\n } else {\n top = offsets.top;\n }\n if (sideB === 'right') {\n left = -offsetParentRect.width + offsets.right;\n } else {\n left = offsets.left;\n }\n if (gpuAcceleration && prefixedProperty) {\n styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';\n styles[sideA] = 0;\n styles[sideB] = 0;\n styles.willChange = 'transform';\n } else {\n // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties\n var invertTop = sideA === 'bottom' ? -1 : 1;\n var invertLeft = sideB === 'right' ? -1 : 1;\n styles[sideA] = top * invertTop;\n styles[sideB] = left * invertLeft;\n styles.willChange = sideA + ', ' + sideB;\n }\n\n // Attributes\n var attributes = {\n 'x-placement': data.placement\n };\n\n // Update `data` attributes, styles and arrowStyles\n data.attributes = _extends({}, attributes, data.attributes);\n data.styles = _extends({}, styles, data.styles);\n data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);\n\n return data;\n}\n\n/**\n * Helper used to know if the given modifier depends from another one.<br />\n * It checks if the needed modifier is listed and enabled.\n * @method\n * @memberof Popper.Utils\n * @param {Array} modifiers - list of modifiers\n * @param {String} requestingName - name of requesting modifier\n * @param {String} requestedName - name of requested modifier\n * @returns {Boolean}\n */\nfunction isModifierRequired(modifiers, requestingName, requestedName) {\n var requesting = find(modifiers, function (_ref) {\n var name = _ref.name;\n return name === requestingName;\n });\n\n var isRequired = !!requesting && modifiers.some(function (modifier) {\n return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;\n });\n\n if (!isRequired) {\n var _requesting = '`' + requestingName + '`';\n var requested = '`' + requestedName + '`';\n console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');\n }\n return isRequired;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction arrow(data, options) {\n var _data$offsets$arrow;\n\n // arrow depends on keepTogether in order to work\n if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {\n return data;\n }\n\n var arrowElement = options.element;\n\n // if arrowElement is a string, suppose it's a CSS selector\n if (typeof arrowElement === 'string') {\n arrowElement = data.instance.popper.querySelector(arrowElement);\n\n // if arrowElement is not found, don't run the modifier\n if (!arrowElement) {\n return data;\n }\n } else {\n // if the arrowElement isn't a query selector we must check that the\n // provided DOM node is child of its popper node\n if (!data.instance.popper.contains(arrowElement)) {\n console.warn('WARNING: `arrow.element` must be child of its popper element!');\n return data;\n }\n }\n\n var placement = data.placement.split('-')[0];\n var _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n\n var isVertical = ['left', 'right'].indexOf(placement) !== -1;\n\n var len = isVertical ? 'height' : 'width';\n var sideCapitalized = isVertical ? 'Top' : 'Left';\n var side = sideCapitalized.toLowerCase();\n var altSide = isVertical ? 'left' : 'top';\n var opSide = isVertical ? 'bottom' : 'right';\n var arrowElementSize = getOuterSizes(arrowElement)[len];\n\n //\n // extends keepTogether behavior making sure the popper and its\n // reference have enough pixels in conjuction\n //\n\n // top/left side\n if (reference[opSide] - arrowElementSize < popper[side]) {\n data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);\n }\n // bottom/right side\n if (reference[side] + arrowElementSize > popper[opSide]) {\n data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];\n }\n data.offsets.popper = getClientRect(data.offsets.popper);\n\n // compute center of the popper\n var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;\n\n // Compute the sideValue using the updated popper offsets\n // take popper margin in account because we don't have this info available\n var css = getStyleComputedProperty(data.instance.popper);\n var popperMarginSide = parseFloat(css['margin' + sideCapitalized], 10);\n var popperBorderSide = parseFloat(css['border' + sideCapitalized + 'Width'], 10);\n var sideValue = center - data.offsets.popper[side] - popperMarginSide - popperBorderSide;\n\n // prevent arrowElement from being placed not contiguously to its popper\n sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);\n\n data.arrowElement = arrowElement;\n data.offsets.arrow = (_data$offsets$arrow = {}, defineProperty(_data$offsets$arrow, side, Math.round(sideValue)), defineProperty(_data$offsets$arrow, altSide, ''), _data$offsets$arrow);\n\n return data;\n}\n\n/**\n * Get the opposite placement variation of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement variation\n * @returns {String} flipped placement variation\n */\nfunction getOppositeVariation(variation) {\n if (variation === 'end') {\n return 'start';\n } else if (variation === 'start') {\n return 'end';\n }\n return variation;\n}\n\n/**\n * List of accepted placements to use as values of the `placement` option.<br />\n * Valid placements are:\n * - `auto`\n * - `top`\n * - `right`\n * - `bottom`\n * - `left`\n *\n * Each placement can have a variation from this list:\n * - `-start`\n * - `-end`\n *\n * Variations are interpreted easily if you think of them as the left to right\n * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`\n * is right.<br />\n * Vertically (`left` and `right`), `start` is top and `end` is bottom.\n *\n * Some valid examples are:\n * - `top-end` (on top of reference, right aligned)\n * - `right-start` (on right of reference, top aligned)\n * - `bottom` (on bottom, centered)\n * - `auto-right` (on the side with more space available, alignment depends by placement)\n *\n * @static\n * @type {Array}\n * @enum {String}\n * @readonly\n * @method placements\n * @memberof Popper\n */\nvar 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'];\n\n// Get rid of `auto` `auto-start` and `auto-end`\nvar validPlacements = placements.slice(3);\n\n/**\n * Given an initial placement, returns all the subsequent placements\n * clockwise (or counter-clockwise).\n *\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement - A valid placement (it accepts variations)\n * @argument {Boolean} counter - Set to true to walk the placements counterclockwise\n * @returns {Array} placements including their variations\n */\nfunction clockwise(placement) {\n var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n var index = validPlacements.indexOf(placement);\n var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));\n return counter ? arr.reverse() : arr;\n}\n\nvar BEHAVIORS = {\n FLIP: 'flip',\n CLOCKWISE: 'clockwise',\n COUNTERCLOCKWISE: 'counterclockwise'\n};\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction flip(data, options) {\n // if `inner` modifier is enabled, we can't use the `flip` modifier\n if (isModifierEnabled(data.instance.modifiers, 'inner')) {\n return data;\n }\n\n if (data.flipped && data.placement === data.originalPlacement) {\n // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides\n return data;\n }\n\n var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement);\n\n var placement = data.placement.split('-')[0];\n var placementOpposite = getOppositePlacement(placement);\n var variation = data.placement.split('-')[1] || '';\n\n var flipOrder = [];\n\n switch (options.behavior) {\n case BEHAVIORS.FLIP:\n flipOrder = [placement, placementOpposite];\n break;\n case BEHAVIORS.CLOCKWISE:\n flipOrder = clockwise(placement);\n break;\n case BEHAVIORS.COUNTERCLOCKWISE:\n flipOrder = clockwise(placement, true);\n break;\n default:\n flipOrder = options.behavior;\n }\n\n flipOrder.forEach(function (step, index) {\n if (placement !== step || flipOrder.length === index + 1) {\n return data;\n }\n\n placement = data.placement.split('-')[0];\n placementOpposite = getOppositePlacement(placement);\n\n var popperOffsets = data.offsets.popper;\n var refOffsets = data.offsets.reference;\n\n // using floor because the reference offsets may contain decimals we are not going to consider here\n var floor = Math.floor;\n 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);\n\n var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);\n var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);\n var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);\n var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);\n\n var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;\n\n // flip the variation if required\n var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);\n\n if (overlapsRef || overflowsBoundaries || flippedVariation) {\n // this boolean to detect any flip loop\n data.flipped = true;\n\n if (overlapsRef || overflowsBoundaries) {\n placement = flipOrder[index + 1];\n }\n\n if (flippedVariation) {\n variation = getOppositeVariation(variation);\n }\n\n data.placement = placement + (variation ? '-' + variation : '');\n\n // this object contains `position`, we want to preserve it along with\n // any additional property we may add in the future\n data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));\n\n data = runModifiers(data.instance.modifiers, data, 'flip');\n }\n });\n return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction keepTogether(data) {\n var _data$offsets = data.offsets,\n popper = _data$offsets.popper,\n reference = _data$offsets.reference;\n\n var placement = data.placement.split('-')[0];\n var floor = Math.floor;\n var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n var side = isVertical ? 'right' : 'bottom';\n var opSide = isVertical ? 'left' : 'top';\n var measurement = isVertical ? 'width' : 'height';\n\n if (popper[side] < floor(reference[opSide])) {\n data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];\n }\n if (popper[opSide] > floor(reference[side])) {\n data.offsets.popper[opSide] = floor(reference[side]);\n }\n\n return data;\n}\n\n/**\n * Converts a string containing value + unit into a px value number\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} str - Value + unit string\n * @argument {String} measurement - `height` or `width`\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @returns {Number|String}\n * Value in pixels, or original string if no values were extracted\n */\nfunction toValue(str, measurement, popperOffsets, referenceOffsets) {\n // separate value from unit\n var split = str.match(/((?:\\-|\\+)?\\d*\\.?\\d*)(.*)/);\n var value = +split[1];\n var unit = split[2];\n\n // If it's not a number it's an operator, I guess\n if (!value) {\n return str;\n }\n\n if (unit.indexOf('
|