Added: ofbiz/ofbiz-plugins/trunk/ecommerce/webapp/ecommerce/js/bootstrap/js/bootstrap.bundle-4.3.1.js URL: http://svn.apache.org/viewvc/ofbiz/ofbiz-plugins/trunk/ecommerce/webapp/ecommerce/js/bootstrap/js/bootstrap.bundle-4.3.1.js?rev=1863839&view=auto ============================================================================== --- ofbiz/ofbiz-plugins/trunk/ecommerce/webapp/ecommerce/js/bootstrap/js/bootstrap.bundle-4.3.1.js (added) +++ ofbiz/ofbiz-plugins/trunk/ecommerce/webapp/ecommerce/js/bootstrap/js/bootstrap.bundle-4.3.1.js Sat Jul 27 06:48:11 2019 @@ -0,0 +1,7013 @@ +/*! + * Bootstrap v4.3.1 (https://getbootstrap.com/) + * Copyright 2011-2019 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) : + (global = global || self, factory(global.bootstrap = {}, global.jQuery)); +}(this, function (exports, $) { 'use strict'; + + $ = $ && $.hasOwnProperty('default') ? $['default'] : $; + + function _defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } + } + + function _createClass(Constructor, protoProps, staticProps) { + if (protoProps) _defineProperties(Constructor.prototype, protoProps); + if (staticProps) _defineProperties(Constructor, staticProps); + return Constructor; + } + + function _defineProperty(obj, key, value) { + if (key in obj) { + Object.defineProperty(obj, key, { + value: value, + enumerable: true, + configurable: true, + writable: true + }); + } else { + obj[key] = value; + } + + return obj; + } + + function _objectSpread(target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i] != null ? arguments[i] : {}; + var ownKeys = Object.keys(source); + + if (typeof Object.getOwnPropertySymbols === 'function') { + ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { + return Object.getOwnPropertyDescriptor(source, sym).enumerable; + })); + } + + ownKeys.forEach(function (key) { + _defineProperty(target, key, source[key]); + }); + } + + return target; + } + + function _inheritsLoose(subClass, superClass) { + subClass.prototype = Object.create(superClass.prototype); + subClass.prototype.constructor = subClass; + subClass.__proto__ = superClass; + } + + /** + * -------------------------------------------------------------------------- + * Bootstrap (v4.3.1): util.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + /** + * ------------------------------------------------------------------------ + * Private TransitionEnd Helpers + * ------------------------------------------------------------------------ + */ + + var TRANSITION_END = 'transitionend'; + var MAX_UID = 1000000; + var MILLISECONDS_MULTIPLIER = 1000; // Shoutout AngusCroll (https://goo.gl/pxwQGp) + + function toType(obj) { + return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase(); + } + + function getSpecialTransitionEndEvent() { + return { + bindType: TRANSITION_END, + delegateType: TRANSITION_END, + handle: function handle(event) { + if ($(event.target).is(this)) { + return event.handleObj.handler.apply(this, arguments); // eslint-disable-line prefer-rest-params + } + + return undefined; // eslint-disable-line no-undefined + } + }; + } + + function transitionEndEmulator(duration) { + var _this = this; + + var called = false; + $(this).one(Util.TRANSITION_END, function () { + called = true; + }); + setTimeout(function () { + if (!called) { + Util.triggerTransitionEnd(_this); + } + }, duration); + return this; + } + + function setTransitionEndSupport() { + $.fn.emulateTransitionEnd = transitionEndEmulator; + $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent(); + } + /** + * -------------------------------------------------------------------------- + * Public Util Api + * -------------------------------------------------------------------------- + */ + + + var Util = { + TRANSITION_END: 'bsTransitionEnd', + getUID: function getUID(prefix) { + do { + // eslint-disable-next-line no-bitwise + prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here + } while (document.getElementById(prefix)); + + return prefix; + }, + getSelectorFromElement: function getSelectorFromElement(element) { + var selector = element.getAttribute('data-target'); + + if (!selector || selector === '#') { + var hrefAttr = element.getAttribute('href'); + selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : ''; + } + + try { + return document.querySelector(selector) ? selector : null; + } catch (err) { + return null; + } + }, + getTransitionDurationFromElement: function getTransitionDurationFromElement(element) { + if (!element) { + return 0; + } // Get transition-duration of the element + + + var transitionDuration = $(element).css('transition-duration'); + var transitionDelay = $(element).css('transition-delay'); + var floatTransitionDuration = parseFloat(transitionDuration); + var floatTransitionDelay = parseFloat(transitionDelay); // Return 0 if element or transition duration is not found + + if (!floatTransitionDuration && !floatTransitionDelay) { + return 0; + } // If multiple durations are defined, take the first + + + transitionDuration = transitionDuration.split(',')[0]; + transitionDelay = transitionDelay.split(',')[0]; + return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER; + }, + reflow: function reflow(element) { + return element.offsetHeight; + }, + triggerTransitionEnd: function triggerTransitionEnd(element) { + $(element).trigger(TRANSITION_END); + }, + // TODO: Remove in v5 + supportsTransitionEnd: function supportsTransitionEnd() { + return Boolean(TRANSITION_END); + }, + isElement: function isElement(obj) { + return (obj[0] || obj).nodeType; + }, + typeCheckConfig: function typeCheckConfig(componentName, config, configTypes) { + for (var property in configTypes) { + if (Object.prototype.hasOwnProperty.call(configTypes, property)) { + var expectedTypes = configTypes[property]; + var value = config[property]; + var valueType = value && Util.isElement(value) ? 'element' : toType(value); + + if (!new RegExp(expectedTypes).test(valueType)) { + throw new Error(componentName.toUpperCase() + ": " + ("Option \"" + property + "\" provided type \"" + valueType + "\" ") + ("but expected type \"" + expectedTypes + "\".")); + } + } + } + }, + findShadowRoot: function findShadowRoot(element) { + if (!document.documentElement.attachShadow) { + return null; + } // Can find the shadow root otherwise it'll return the document + + + if (typeof element.getRootNode === 'function') { + var root = element.getRootNode(); + return root instanceof ShadowRoot ? root : null; + } + + if (element instanceof ShadowRoot) { + return element; + } // when we don't find a shadow root + + + if (!element.parentNode) { + return null; + } + + return Util.findShadowRoot(element.parentNode); + } + }; + setTransitionEndSupport(); + + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + + var NAME = 'alert'; + var VERSION = '4.3.1'; + var DATA_KEY = 'bs.alert'; + var EVENT_KEY = "." + DATA_KEY; + var DATA_API_KEY = '.data-api'; + var JQUERY_NO_CONFLICT = $.fn[NAME]; + var Selector = { + DISMISS: '[data-dismiss="alert"]' + }; + var Event = { + CLOSE: "close" + EVENT_KEY, + CLOSED: "closed" + EVENT_KEY, + CLICK_DATA_API: "click" + EVENT_KEY + DATA_API_KEY + }; + var ClassName = { + ALERT: 'alert', + FADE: 'fade', + SHOW: 'show' + /** + * ------------------------------------------------------------------------ + * Class Definition + * ------------------------------------------------------------------------ + */ + + }; + + var Alert = + /*#__PURE__*/ + function () { + function Alert(element) { + this._element = element; + } // Getters + + + var _proto = Alert.prototype; + + // Public + _proto.close = function close(element) { + var rootElement = this._element; + + if (element) { + rootElement = this._getRootElement(element); + } + + var customEvent = this._triggerCloseEvent(rootElement); + + if (customEvent.isDefaultPrevented()) { + return; + } + + this._removeElement(rootElement); + }; + + _proto.dispose = function dispose() { + $.removeData(this._element, DATA_KEY); + this._element = null; + } // Private + ; + + _proto._getRootElement = function _getRootElement(element) { + var selector = Util.getSelectorFromElement(element); + var parent = false; + + if (selector) { + parent = document.querySelector(selector); + } + + if (!parent) { + parent = $(element).closest("." + ClassName.ALERT)[0]; + } + + return parent; + }; + + _proto._triggerCloseEvent = function _triggerCloseEvent(element) { + var closeEvent = $.Event(Event.CLOSE); + $(element).trigger(closeEvent); + return closeEvent; + }; + + _proto._removeElement = function _removeElement(element) { + var _this = this; + + $(element).removeClass(ClassName.SHOW); + + if (!$(element).hasClass(ClassName.FADE)) { + this._destroyElement(element); + + return; + } + + var transitionDuration = Util.getTransitionDurationFromElement(element); + $(element).one(Util.TRANSITION_END, function (event) { + return _this._destroyElement(element, event); + }).emulateTransitionEnd(transitionDuration); + }; + + _proto._destroyElement = function _destroyElement(element) { + $(element).detach().trigger(Event.CLOSED).remove(); + } // Static + ; + + Alert._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var $element = $(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 + * ------------------------------------------------------------------------ + */ + + + $(document).on(Event.CLICK_DATA_API, Selector.DISMISS, Alert._handleDismiss(new Alert())); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + $.fn[NAME] = Alert._jQueryInterface; + $.fn[NAME].Constructor = Alert; + + $.fn[NAME].noConflict = function () { + $.fn[NAME] = JQUERY_NO_CONFLICT; + return Alert._jQueryInterface; + }; + + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + + var NAME$1 = 'button'; + var VERSION$1 = '4.3.1'; + var DATA_KEY$1 = 'bs.button'; + var EVENT_KEY$1 = "." + DATA_KEY$1; + var DATA_API_KEY$1 = '.data-api'; + var JQUERY_NO_CONFLICT$1 = $.fn[NAME$1]; + var ClassName$1 = { + ACTIVE: 'active', + BUTTON: 'btn', + FOCUS: 'focus' + }; + var Selector$1 = { + DATA_TOGGLE_CARROT: '[data-toggle^="button"]', + DATA_TOGGLE: '[data-toggle="buttons"]', + INPUT: 'input:not([type="hidden"])', + ACTIVE: '.active', + BUTTON: '.btn' + }; + var Event$1 = { + CLICK_DATA_API: "click" + EVENT_KEY$1 + DATA_API_KEY$1, + FOCUS_BLUR_DATA_API: "focus" + EVENT_KEY$1 + DATA_API_KEY$1 + " " + ("blur" + EVENT_KEY$1 + DATA_API_KEY$1) + /** + * ------------------------------------------------------------------------ + * 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 = $(this._element).closest(Selector$1.DATA_TOGGLE)[0]; + + if (rootElement) { + var input = this._element.querySelector(Selector$1.INPUT); + + if (input) { + if (input.type === 'radio') { + if (input.checked && this._element.classList.contains(ClassName$1.ACTIVE)) { + triggerChangeEvent = false; + } else { + var activeElement = rootElement.querySelector(Selector$1.ACTIVE); + + if (activeElement) { + $(activeElement).removeClass(ClassName$1.ACTIVE); + } + } + } + + if (triggerChangeEvent) { + if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) { + return; + } + + input.checked = !this._element.classList.contains(ClassName$1.ACTIVE); + $(input).trigger('change'); + } + + input.focus(); + addAriaPressed = false; + } + } + + if (addAriaPressed) { + this._element.setAttribute('aria-pressed', !this._element.classList.contains(ClassName$1.ACTIVE)); + } + + if (triggerChangeEvent) { + $(this._element).toggleClass(ClassName$1.ACTIVE); + } + }; + + _proto.dispose = function dispose() { + $.removeData(this._element, DATA_KEY$1); + this._element = null; + } // Static + ; + + Button._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var data = $(this).data(DATA_KEY$1); + + if (!data) { + data = new Button(this); + $(this).data(DATA_KEY$1, data); + } + + if (config === 'toggle') { + data[config](); + } + }); + }; + + _createClass(Button, null, [{ + key: "VERSION", + get: function get() { + return VERSION$1; + } + }]); + + return Button; + }(); + /** + * ------------------------------------------------------------------------ + * Data Api implementation + * ------------------------------------------------------------------------ + */ + + + $(document).on(Event$1.CLICK_DATA_API, Selector$1.DATA_TOGGLE_CARROT, function (event) { + event.preventDefault(); + var button = event.target; + + if (!$(button).hasClass(ClassName$1.BUTTON)) { + button = $(button).closest(Selector$1.BUTTON); + } + + Button._jQueryInterface.call($(button), 'toggle'); + }).on(Event$1.FOCUS_BLUR_DATA_API, Selector$1.DATA_TOGGLE_CARROT, function (event) { + var button = $(event.target).closest(Selector$1.BUTTON)[0]; + $(button).toggleClass(ClassName$1.FOCUS, /^focus(in)?$/.test(event.type)); + }); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + $.fn[NAME$1] = Button._jQueryInterface; + $.fn[NAME$1].Constructor = Button; + + $.fn[NAME$1].noConflict = function () { + $.fn[NAME$1] = JQUERY_NO_CONFLICT$1; + return Button._jQueryInterface; + }; + + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + + var NAME$2 = 'carousel'; + var VERSION$2 = '4.3.1'; + var DATA_KEY$2 = 'bs.carousel'; + var EVENT_KEY$2 = "." + DATA_KEY$2; + var DATA_API_KEY$2 = '.data-api'; + var JQUERY_NO_CONFLICT$2 = $.fn[NAME$2]; + 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 SWIPE_THRESHOLD = 40; + var Default = { + interval: 5000, + keyboard: true, + slide: false, + pause: 'hover', + wrap: true, + touch: true + }; + var DefaultType = { + interval: '(number|boolean)', + keyboard: 'boolean', + slide: '(boolean|string)', + pause: '(string|boolean)', + wrap: 'boolean', + touch: 'boolean' + }; + var Direction = { + NEXT: 'next', + PREV: 'prev', + LEFT: 'left', + RIGHT: 'right' + }; + var Event$2 = { + SLIDE: "slide" + EVENT_KEY$2, + SLID: "slid" + EVENT_KEY$2, + KEYDOWN: "keydown" + EVENT_KEY$2, + MOUSEENTER: "mouseenter" + EVENT_KEY$2, + MOUSELEAVE: "mouseleave" + EVENT_KEY$2, + TOUCHSTART: "touchstart" + EVENT_KEY$2, + TOUCHMOVE: "touchmove" + EVENT_KEY$2, + TOUCHEND: "touchend" + EVENT_KEY$2, + POINTERDOWN: "pointerdown" + EVENT_KEY$2, + POINTERUP: "pointerup" + EVENT_KEY$2, + DRAG_START: "dragstart" + EVENT_KEY$2, + LOAD_DATA_API: "load" + EVENT_KEY$2 + DATA_API_KEY$2, + CLICK_DATA_API: "click" + EVENT_KEY$2 + DATA_API_KEY$2 + }; + var ClassName$2 = { + 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', + POINTER_EVENT: 'pointer-event' + }; + var Selector$2 = { + ACTIVE: '.active', + ACTIVE_ITEM: '.active.carousel-item', + ITEM: '.carousel-item', + ITEM_IMG: '.carousel-item img', + NEXT_PREV: '.carousel-item-next, .carousel-item-prev', + INDICATORS: '.carousel-indicators', + DATA_SLIDE: '[data-slide], [data-slide-to]', + DATA_RIDE: '[data-ride="carousel"]' + }; + var PointerType = { + TOUCH: 'touch', + PEN: 'pen' + /** + * ------------------------------------------------------------------------ + * 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.touchStartX = 0; + this.touchDeltaX = 0; + this._config = this._getConfig(config); + this._element = element; + this._indicatorsElement = this._element.querySelector(Selector$2.INDICATORS); + this._touchSupported = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0; + this._pointerEvent = Boolean(window.PointerEvent || window.MSPointerEvent); + + 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 && $(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden') { + this.next(); + } + }; + + _proto.prev = function prev() { + if (!this._isSliding) { + this._slide(Direction.PREV); + } + }; + + _proto.pause = function pause(event) { + if (!event) { + this._isPaused = true; + } + + if (this._element.querySelector(Selector$2.NEXT_PREV)) { + Util.triggerTransitionEnd(this._element); + this.cycle(true); + } + + clearInterval(this._interval); + this._interval = null; + }; + + _proto.cycle = function cycle(event) { + if (!event) { + this._isPaused = false; + } + + if (this._interval) { + clearInterval(this._interval); + this._interval = null; + } + + if (this._config.interval && !this._isPaused) { + this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval); + } + }; + + _proto.to = function to(index) { + var _this = this; + + this._activeElement = this._element.querySelector(Selector$2.ACTIVE_ITEM); + + var activeIndex = this._getItemIndex(this._activeElement); + + if (index > this._items.length - 1 || index < 0) { + return; + } + + if (this._isSliding) { + $(this._element).one(Event$2.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() { + $(this._element).off(EVENT_KEY$2); + $.removeData(this._element, DATA_KEY$2); + this._items = null; + this._config = null; + this._element = null; + this._interval = null; + this._isPaused = null; + this._isSliding = null; + this._activeElement = null; + this._indicatorsElement = null; + } // Private + ; + + _proto._getConfig = function _getConfig(config) { + config = _objectSpread({}, Default, config); + Util.typeCheckConfig(NAME$2, config, DefaultType); + return config; + }; + + _proto._handleSwipe = function _handleSwipe() { + var absDeltax = Math.abs(this.touchDeltaX); + + if (absDeltax <= SWIPE_THRESHOLD) { + return; + } + + var direction = absDeltax / this.touchDeltaX; // swipe left + + if (direction > 0) { + this.prev(); + } // swipe right + + + if (direction < 0) { + this.next(); + } + }; + + _proto._addEventListeners = function _addEventListeners() { + var _this2 = this; + + if (this._config.keyboard) { + $(this._element).on(Event$2.KEYDOWN, function (event) { + return _this2._keydown(event); + }); + } + + if (this._config.pause === 'hover') { + $(this._element).on(Event$2.MOUSEENTER, function (event) { + return _this2.pause(event); + }).on(Event$2.MOUSELEAVE, function (event) { + return _this2.cycle(event); + }); + } + + if (this._config.touch) { + this._addTouchEventListeners(); + } + }; + + _proto._addTouchEventListeners = function _addTouchEventListeners() { + var _this3 = this; + + if (!this._touchSupported) { + return; + } + + var start = function start(event) { + if (_this3._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) { + _this3.touchStartX = event.originalEvent.clientX; + } else if (!_this3._pointerEvent) { + _this3.touchStartX = event.originalEvent.touches[0].clientX; + } + }; + + var move = function move(event) { + // ensure swiping with one touch and not pinching + if (event.originalEvent.touches && event.originalEvent.touches.length > 1) { + _this3.touchDeltaX = 0; + } else { + _this3.touchDeltaX = event.originalEvent.touches[0].clientX - _this3.touchStartX; + } + }; + + var end = function end(event) { + if (_this3._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) { + _this3.touchDeltaX = event.originalEvent.clientX - _this3.touchStartX; + } + + _this3._handleSwipe(); + + if (_this3._config.pause === 'hover') { + // 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 + _this3.pause(); + + if (_this3.touchTimeout) { + clearTimeout(_this3.touchTimeout); + } + + _this3.touchTimeout = setTimeout(function (event) { + return _this3.cycle(event); + }, TOUCHEVENT_COMPAT_WAIT + _this3._config.interval); + } + }; + + $(this._element.querySelectorAll(Selector$2.ITEM_IMG)).on(Event$2.DRAG_START, function (e) { + return e.preventDefault(); + }); + + if (this._pointerEvent) { + $(this._element).on(Event$2.POINTERDOWN, function (event) { + return start(event); + }); + $(this._element).on(Event$2.POINTERUP, function (event) { + return end(event); + }); + + this._element.classList.add(ClassName$2.POINTER_EVENT); + } else { + $(this._element).on(Event$2.TOUCHSTART, function (event) { + return start(event); + }); + $(this._element).on(Event$2.TOUCHMOVE, function (event) { + return move(event); + }); + $(this._element).on(Event$2.TOUCHEND, function (event) { + return end(event); + }); + } + }; + + _proto._keydown = function _keydown(event) { + if (/input|textarea/i.test(event.target.tagName)) { + return; + } + + switch (event.which) { + case ARROW_LEFT_KEYCODE: + event.preventDefault(); + this.prev(); + break; + + case ARROW_RIGHT_KEYCODE: + event.preventDefault(); + this.next(); + break; + + default: + } + }; + + _proto._getItemIndex = function _getItemIndex(element) { + this._items = element && element.parentNode ? [].slice.call(element.parentNode.querySelectorAll(Selector$2.ITEM)) : []; + return this._items.indexOf(element); + }; + + _proto._getItemByDirection = function _getItemByDirection(direction, activeElement) { + var isNextDirection = direction === Direction.NEXT; + var isPrevDirection = direction === Direction.PREV; + + var activeIndex = this._getItemIndex(activeElement); + + var lastItemIndex = this._items.length - 1; + var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex; + + if (isGoingToWrap && !this._config.wrap) { + return activeElement; + } + + var delta = direction === Direction.PREV ? -1 : 1; + var itemIndex = (activeIndex + delta) % this._items.length; + return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex]; + }; + + _proto._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) { + var targetIndex = this._getItemIndex(relatedTarget); + + var fromIndex = this._getItemIndex(this._element.querySelector(Selector$2.ACTIVE_ITEM)); + + var slideEvent = $.Event(Event$2.SLIDE, { + relatedTarget: relatedTarget, + direction: eventDirectionName, + from: fromIndex, + to: targetIndex + }); + $(this._element).trigger(slideEvent); + return slideEvent; + }; + + _proto._setActiveIndicatorElement = function _setActiveIndicatorElement(element) { + if (this._indicatorsElement) { + var indicators = [].slice.call(this._indicatorsElement.querySelectorAll(Selector$2.ACTIVE)); + $(indicators).removeClass(ClassName$2.ACTIVE); + + var nextIndicator = this._indicatorsElement.children[this._getItemIndex(element)]; + + if (nextIndicator) { + $(nextIndicator).addClass(ClassName$2.ACTIVE); + } + } + }; + + _proto._slide = function _slide(direction, element) { + var _this4 = this; + + var activeElement = this._element.querySelector(Selector$2.ACTIVE_ITEM); + + var activeElementIndex = this._getItemIndex(activeElement); + + var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement); + + var nextElementIndex = this._getItemIndex(nextElement); + + var isCycling = Boolean(this._interval); + var directionalClassName; + var orderClassName; + var eventDirectionName; + + if (direction === Direction.NEXT) { + directionalClassName = ClassName$2.LEFT; + orderClassName = ClassName$2.NEXT; + eventDirectionName = Direction.LEFT; + } else { + directionalClassName = ClassName$2.RIGHT; + orderClassName = ClassName$2.PREV; + eventDirectionName = Direction.RIGHT; + } + + if (nextElement && $(nextElement).hasClass(ClassName$2.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 = $.Event(Event$2.SLID, { + relatedTarget: nextElement, + direction: eventDirectionName, + from: activeElementIndex, + to: nextElementIndex + }); + + if ($(this._element).hasClass(ClassName$2.SLIDE)) { + $(nextElement).addClass(orderClassName); + Util.reflow(nextElement); + $(activeElement).addClass(directionalClassName); + $(nextElement).addClass(directionalClassName); + var nextElementInterval = parseInt(nextElement.getAttribute('data-interval'), 10); + + if (nextElementInterval) { + this._config.defaultInterval = this._config.defaultInterval || this._config.interval; + this._config.interval = nextElementInterval; + } else { + this._config.interval = this._config.defaultInterval || this._config.interval; + } + + var transitionDuration = Util.getTransitionDurationFromElement(activeElement); + $(activeElement).one(Util.TRANSITION_END, function () { + $(nextElement).removeClass(directionalClassName + " " + orderClassName).addClass(ClassName$2.ACTIVE); + $(activeElement).removeClass(ClassName$2.ACTIVE + " " + orderClassName + " " + directionalClassName); + _this4._isSliding = false; + setTimeout(function () { + return $(_this4._element).trigger(slidEvent); + }, 0); + }).emulateTransitionEnd(transitionDuration); + } else { + $(activeElement).removeClass(ClassName$2.ACTIVE); + $(nextElement).addClass(ClassName$2.ACTIVE); + this._isSliding = false; + $(this._element).trigger(slidEvent); + } + + if (isCycling) { + this.cycle(); + } + } // Static + ; + + Carousel._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var data = $(this).data(DATA_KEY$2); + + var _config = _objectSpread({}, Default, $(this).data()); + + if (typeof config === 'object') { + _config = _objectSpread({}, _config, config); + } + + var action = typeof config === 'string' ? config : _config.slide; + + if (!data) { + data = new Carousel(this, _config); + $(this).data(DATA_KEY$2, 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 && _config.ride) { + data.pause(); + data.cycle(); + } + }); + }; + + Carousel._dataApiClickHandler = function _dataApiClickHandler(event) { + var selector = Util.getSelectorFromElement(this); + + if (!selector) { + return; + } + + var target = $(selector)[0]; + + if (!target || !$(target).hasClass(ClassName$2.CAROUSEL)) { + return; + } + + var config = _objectSpread({}, $(target).data(), $(this).data()); + + var slideIndex = this.getAttribute('data-slide-to'); + + if (slideIndex) { + config.interval = false; + } + + Carousel._jQueryInterface.call($(target), config); + + if (slideIndex) { + $(target).data(DATA_KEY$2).to(slideIndex); + } + + event.preventDefault(); + }; + + _createClass(Carousel, null, [{ + key: "VERSION", + get: function get() { + return VERSION$2; + } + }, { + key: "Default", + get: function get() { + return Default; + } + }]); + + return Carousel; + }(); + /** + * ------------------------------------------------------------------------ + * Data Api implementation + * ------------------------------------------------------------------------ + */ + + + $(document).on(Event$2.CLICK_DATA_API, Selector$2.DATA_SLIDE, Carousel._dataApiClickHandler); + $(window).on(Event$2.LOAD_DATA_API, function () { + var carousels = [].slice.call(document.querySelectorAll(Selector$2.DATA_RIDE)); + + for (var i = 0, len = carousels.length; i < len; i++) { + var $carousel = $(carousels[i]); + + Carousel._jQueryInterface.call($carousel, $carousel.data()); + } + }); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + $.fn[NAME$2] = Carousel._jQueryInterface; + $.fn[NAME$2].Constructor = Carousel; + + $.fn[NAME$2].noConflict = function () { + $.fn[NAME$2] = JQUERY_NO_CONFLICT$2; + return Carousel._jQueryInterface; + }; + + /** + * ------------------------------------------------------------------------ + * Constants + * ------------------------------------------------------------------------ + */ + + var NAME$3 = 'collapse'; + var VERSION$3 = '4.3.1'; + var DATA_KEY$3 = 'bs.collapse'; + var EVENT_KEY$3 = "." + DATA_KEY$3; + var DATA_API_KEY$3 = '.data-api'; + var JQUERY_NO_CONFLICT$3 = $.fn[NAME$3]; + var Default$1 = { + toggle: true, + parent: '' + }; + var DefaultType$1 = { + toggle: 'boolean', + parent: '(string|element)' + }; + var Event$3 = { + SHOW: "show" + EVENT_KEY$3, + SHOWN: "shown" + EVENT_KEY$3, + HIDE: "hide" + EVENT_KEY$3, + HIDDEN: "hidden" + EVENT_KEY$3, + CLICK_DATA_API: "click" + EVENT_KEY$3 + DATA_API_KEY$3 + }; + var ClassName$3 = { + SHOW: 'show', + COLLAPSE: 'collapse', + COLLAPSING: 'collapsing', + COLLAPSED: 'collapsed' + }; + var Dimension = { + WIDTH: 'width', + HEIGHT: 'height' + }; + var Selector$3 = { + 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 = [].slice.call(document.querySelectorAll("[data-toggle=\"collapse\"][href=\"#" + element.id + "\"]," + ("[data-toggle=\"collapse\"][data-target=\"#" + element.id + "\"]"))); + var toggleList = [].slice.call(document.querySelectorAll(Selector$3.DATA_TOGGLE)); + + for (var i = 0, len = toggleList.length; i < len; i++) { + var elem = toggleList[i]; + var selector = Util.getSelectorFromElement(elem); + var filterElement = [].slice.call(document.querySelectorAll(selector)).filter(function (foundElem) { + return foundElem === element; + }); + + if (selector !== null && filterElement.length > 0) { + this._selector = selector; + + this._triggerArray.push(elem); + } + } + + this._parent = this._config.parent ? this._getParent() : null; + + if (!this._config.parent) { + this._addAriaAndCollapsedClass(this._element, this._triggerArray); + } + + if (this._config.toggle) { + this.toggle(); + } + } // Getters + + + var _proto = Collapse.prototype; + + // Public + _proto.toggle = function toggle() { + if ($(this._element).hasClass(ClassName$3.SHOW)) { + this.hide(); + } else { + this.show(); + } + }; + + _proto.show = function show() { + var _this = this; + + if (this._isTransitioning || $(this._element).hasClass(ClassName$3.SHOW)) { + return; + } + + var actives; + var activesData; + + if (this._parent) { + actives = [].slice.call(this._parent.querySelectorAll(Selector$3.ACTIVES)).filter(function (elem) { + if (typeof _this._config.parent === 'string') { + return elem.getAttribute('data-parent') === _this._config.parent; + } + + return elem.classList.contains(ClassName$3.COLLAPSE); + }); + + if (actives.length === 0) { + actives = null; + } + } + + if (actives) { + activesData = $(actives).not(this._selector).data(DATA_KEY$3); + + if (activesData && activesData._isTransitioning) { + return; + } + } + + var startEvent = $.Event(Event$3.SHOW); + $(this._element).trigger(startEvent); + + if (startEvent.isDefaultPrevented()) { + return; + } + + if (actives) { + Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide'); + + if (!activesData) { + $(actives).data(DATA_KEY$3, null); + } + } + + var dimension = this._getDimension(); + + $(this._element).removeClass(ClassName$3.COLLAPSE).addClass(ClassName$3.COLLAPSING); + this._element.style[dimension] = 0; + + if (this._triggerArray.length) { + $(this._triggerArray).removeClass(ClassName$3.COLLAPSED).attr('aria-expanded', true); + } + + this.setTransitioning(true); + + var complete = function complete() { + $(_this._element).removeClass(ClassName$3.COLLAPSING).addClass(ClassName$3.COLLAPSE).addClass(ClassName$3.SHOW); + _this._element.style[dimension] = ''; + + _this.setTransitioning(false); + + $(_this._element).trigger(Event$3.SHOWN); + }; + + var capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1); + var scrollSize = "scroll" + capitalizedDimension; + var transitionDuration = Util.getTransitionDurationFromElement(this._element); + $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration); + this._element.style[dimension] = this._element[scrollSize] + "px"; + }; + + _proto.hide = function hide() { + var _this2 = this; + + if (this._isTransitioning || !$(this._element).hasClass(ClassName$3.SHOW)) { + return; + } + + var startEvent = $.Event(Event$3.HIDE); + $(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); + $(this._element).addClass(ClassName$3.COLLAPSING).removeClass(ClassName$3.COLLAPSE).removeClass(ClassName$3.SHOW); + var triggerArrayLength = this._triggerArray.length; + + if (triggerArrayLength > 0) { + for (var i = 0; i < triggerArrayLength; i++) { + var trigger = this._triggerArray[i]; + var selector = Util.getSelectorFromElement(trigger); + + if (selector !== null) { + var $elem = $([].slice.call(document.querySelectorAll(selector))); + + if (!$elem.hasClass(ClassName$3.SHOW)) { + $(trigger).addClass(ClassName$3.COLLAPSED).attr('aria-expanded', false); + } + } + } + } + + this.setTransitioning(true); + + var complete = function complete() { + _this2.setTransitioning(false); + + $(_this2._element).removeClass(ClassName$3.COLLAPSING).addClass(ClassName$3.COLLAPSE).trigger(Event$3.HIDDEN); + }; + + this._element.style[dimension] = ''; + var transitionDuration = Util.getTransitionDurationFromElement(this._element); + $(this._element).one(Util.TRANSITION_END, complete).emulateTransitionEnd(transitionDuration); + }; + + _proto.setTransitioning = function setTransitioning(isTransitioning) { + this._isTransitioning = isTransitioning; + }; + + _proto.dispose = function dispose() { + $.removeData(this._element, DATA_KEY$3); + this._config = null; + this._parent = null; + this._element = null; + this._triggerArray = null; + this._isTransitioning = null; + } // Private + ; + + _proto._getConfig = function _getConfig(config) { + config = _objectSpread({}, Default$1, config); + config.toggle = Boolean(config.toggle); // Coerce string values + + Util.typeCheckConfig(NAME$3, config, DefaultType$1); + return config; + }; + + _proto._getDimension = function _getDimension() { + var hasWidth = $(this._element).hasClass(Dimension.WIDTH); + return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT; + }; + + _proto._getParent = function _getParent() { + var _this3 = this; + + var parent; + + if (Util.isElement(this._config.parent)) { + parent = this._config.parent; // It's a jQuery object + + if (typeof this._config.parent.jquery !== 'undefined') { + parent = this._config.parent[0]; + } + } else { + parent = document.querySelector(this._config.parent); + } + + var selector = "[data-toggle=\"collapse\"][data-parent=\"" + this._config.parent + "\"]"; + var children = [].slice.call(parent.querySelectorAll(selector)); + $(children).each(function (i, element) { + _this3._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]); + }); + return parent; + }; + + _proto._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) { + var isOpen = $(element).hasClass(ClassName$3.SHOW); + + if (triggerArray.length) { + $(triggerArray).toggleClass(ClassName$3.COLLAPSED, !isOpen).attr('aria-expanded', isOpen); + } + } // Static + ; + + Collapse._getTargetFromElement = function _getTargetFromElement(element) { + var selector = Util.getSelectorFromElement(element); + return selector ? document.querySelector(selector) : null; + }; + + Collapse._jQueryInterface = function _jQueryInterface(config) { + return this.each(function () { + var $this = $(this); + var data = $this.data(DATA_KEY$3); + + var _config = _objectSpread({}, Default$1, $this.data(), typeof config === 'object' && config ? config : {}); + + if (!data && _config.toggle && /show|hide/.test(config)) { + _config.toggle = false; + } + + if (!data) { + data = new Collapse(this, _config); + $this.data(DATA_KEY$3, 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$3; + } + }, { + key: "Default", + get: function get() { + return Default$1; + } + }]); + + return Collapse; + }(); + /** + * ------------------------------------------------------------------------ + * Data Api implementation + * ------------------------------------------------------------------------ + */ + + + $(document).on(Event$3.CLICK_DATA_API, Selector$3.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 = $(this); + var selector = Util.getSelectorFromElement(this); + var selectors = [].slice.call(document.querySelectorAll(selector)); + $(selectors).each(function () { + var $target = $(this); + var data = $target.data(DATA_KEY$3); + var config = data ? 'toggle' : $trigger.data(); + + Collapse._jQueryInterface.call($target, config); + }); + }); + /** + * ------------------------------------------------------------------------ + * jQuery + * ------------------------------------------------------------------------ + */ + + $.fn[NAME$3] = Collapse._jQueryInterface; + $.fn[NAME$3].Constructor = Collapse; + + $.fn[NAME$3].noConflict = function () { + $.fn[NAME$3] = JQUERY_NO_CONFLICT$3; + return Collapse._jQueryInterface; + }; + + /**! + * @fileOverview Kickass library to create and place poppers near their reference elements. + * @version 1.14.7 + * @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 window = element.ownerDocument.defaultView; + var css = window.getComputedStyle(element, null); + return property ? css[property] : css; + } + + /** + * Returns the parentNode or the host of the element + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @returns {Element} parent + */ + function getParentNode(element) { + if (element.nodeName === 'HTML') { + return element; + } + return element.parentNode || element.host; + } + + /** + * Returns the scrolling parent of the given element + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @returns {Element} scroll parent + */ + function getScrollParent(element) { + // Return body, `getScroll` will take care to get the correct `scrollTop` from it + if (!element) { + return document.body; + } + + switch (element.nodeName) { + case 'HTML': + case 'BODY': + return element.ownerDocument.body; + case '#document': + return element.body; + } + + // Firefox want us to check `-x` and `-y` variations as well + + var _getStyleComputedProp = getStyleComputedProperty(element), + overflow = _getStyleComputedProp.overflow, + overflowX = _getStyleComputedProp.overflowX, + overflowY = _getStyleComputedProp.overflowY; + + if (/(auto|scroll|overlay)/.test(overflow + overflowY + overflowX)) { + return element; + } + + return getScrollParent(getParentNode(element)); + } + + var isIE11 = isBrowser && !!(window.MSInputMethodContext && document.documentMode); + var isIE10 = isBrowser && /MSIE 10/.test(navigator.userAgent); + + /** + * Determines if the browser is Internet Explorer + * @method + * @memberof Popper.Utils + * @param {Number} version to check + * @returns {Boolean} isIE + */ + function isIE(version) { + if (version === 11) { + return isIE11; + } + if (version === 10) { + return isIE10; + } + return isIE11 || isIE10; + } + + /** + * Returns the offset parent of the given element + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @returns {Element} offset parent + */ + function getOffsetParent(element) { + if (!element) { + return document.documentElement; + } + + var noOffsetParent = isIE(10) ? document.body : null; + + // NOTE: 1 DOM access here + var offsetParent = element.offsetParent || null; + // Skip hidden elements which don't have an offsetParent + while (offsetParent === noOffsetParent && element.nextElementSibling) { + offsetParent = (element = element.nextElementSibling).offsetParent; + } + + var nodeName = offsetParent && offsetParent.nodeName; + + if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') { + return element ? element.ownerDocument.documentElement : document.documentElement; + } + + // .offsetParent will return the closest TH, TD or TABLE in case + // no offsetParent is present, I hate this job... + if (['TH', 'TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') { + return getOffsetParent(offsetParent); + } + + return offsetParent; + } + + function isOffsetContainer(element) { + var nodeName = element.nodeName; + + if (nodeName === 'BODY') { + return false; + } + return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element; + } + + /** + * Finds the root node (document, shadowDOM root) of the given element + * @method + * @memberof Popper.Utils + * @argument {Element} node + * @returns {Element} root node + */ + function getRoot(node) { + if (node.parentNode !== null) { + return getRoot(node.parentNode); + } + + return node; + } + + /** + * Finds the offset parent common to the two provided nodes + * @method + * @memberof Popper.Utils + * @argument {Element} element1 + * @argument {Element} element2 + * @returns {Element} common offset parent + */ + function findCommonOffsetParent(element1, element2) { + // This check is needed to avoid errors in case one of the elements isn't defined for any reason + if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) { + return document.documentElement; + } + + // Here we make sure to give as "start" the element that comes first in the DOM + var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING; + var start = order ? element1 : element2; + var end = order ? element2 : element1; + + // Get common ancestor container + var range = document.createRange(); + range.setStart(start, 0); + range.setEnd(end, 0); + var commonAncestorContainer = range.commonAncestorContainer; + + // Both nodes are inside #document + + if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) { + if (isOffsetContainer(commonAncestorContainer)) { + return commonAncestorContainer; + } + + return getOffsetParent(commonAncestorContainer); + } + + // one of the nodes is inside shadowDOM, find which one + var element1root = getRoot(element1); + if (element1root.host) { + return findCommonOffsetParent(element1root.host, element2); + } else { + return findCommonOffsetParent(element1, getRoot(element2).host); + } + } + + /** + * Gets the scroll value of the given element in the given side (top and left) + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @argument {String} side `top` or `left` + * @returns {number} amount of scrolled pixels + */ + function getScroll(element) { + var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top'; + + var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft'; + var nodeName = element.nodeName; + + if (nodeName === 'BODY' || nodeName === 'HTML') { + var html = element.ownerDocument.documentElement; + var scrollingElement = element.ownerDocument.scrollingElement || html; + return scrollingElement[upperSide]; + } + + return element[upperSide]; + } + + /* + * Sum or subtract the element scroll values (left and top) from a given rect object + * @method + * @memberof Popper.Utils + * @param {Object} rect - Rect object you want to change + * @param {HTMLElement} element - The element from the function reads the scroll values + * @param {Boolean} subtract - set to true if you want to subtract the scroll values + * @return {Object} rect - The modifier rect object + */ + function includeScroll(rect, element) { + var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; + + var scrollTop = getScroll(element, 'top'); + var scrollLeft = getScroll(element, 'left'); + var modifier = subtract ? -1 : 1; + rect.top += scrollTop * modifier; + rect.bottom += scrollTop * modifier; + rect.left += scrollLeft * modifier; + rect.right += scrollLeft * modifier; + return rect; + } + + /* + * Helper to detect borders of a given element + * @method + * @memberof Popper.Utils + * @param {CSSStyleDeclaration} styles + * Result of `getStyleComputedProperty` on the given element + * @param {String} axis - `x` or `y` + * @return {number} borders - The borders size of the given axis + */ + + function getBordersSize(styles, axis) { + var sideA = axis === 'x' ? 'Left' : 'Top'; + var sideB = sideA === 'Left' ? 'Right' : 'Bottom'; + + return parseFloat(styles['border' + sideA + 'Width'], 10) + parseFloat(styles['border' + sideB + 'Width'], 10); + } + + function getSize(axis, body, html, computedStyle) { + return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE(10) ? parseInt(html['offset' + axis]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')]) + parseInt(computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')]) : 0); + } + + function getWindowSizes(document) { + var body = document.body; + var html = document.documentElement; + var computedStyle = isIE(10) && getComputedStyle(html); + + return { + height: getSize('Height', body, html, computedStyle), + width: getSize('Width', body, html, computedStyle) + }; + } + + var classCallCheck = function (instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } + }; + + var createClass = function () { + function defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } + } + + return function (Constructor, protoProps, staticProps) { + if (protoProps) defineProperties(Constructor.prototype, protoProps); + if (staticProps) defineProperties(Constructor, staticProps); + return Constructor; + }; + }(); + + + + + + var defineProperty = function (obj, key, value) { + if (key in obj) { + Object.defineProperty(obj, key, { + value: value, + enumerable: true, + configurable: true, + writable: true + }); + } else { + obj[key] = value; + } + + return obj; + }; + + var _extends = Object.assign || function (target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i]; + + for (var key in source) { + if (Object.prototype.hasOwnProperty.call(source, key)) { + target[key] = source[key]; + } + } + } + + return target; + }; + + /** + * Given element offsets, generate an output similar to getBoundingClientRect + * @method + * @memberof Popper.Utils + * @argument {Object} offsets + * @returns {Object} ClientRect like output + */ + function getClientRect(offsets) { + return _extends({}, offsets, { + right: offsets.left + offsets.width, + bottom: offsets.top + offsets.height + }); + } + + /** + * Get bounding client rect of given element + * @method + * @memberof Popper.Utils + * @param {HTMLElement} element + * @return {Object} client rect + */ + function getBoundingClientRect(element) { + var rect = {}; + + // IE10 10 FIX: Please, don't ask, the element isn't + // considered in DOM in some circumstances... + // This isn't reproducible in IE10 compatibility mode of IE11 + try { + if (isIE(10)) { + rect = element.getBoundingClientRect(); + var scrollTop = getScroll(element, 'top'); + var scrollLeft = getScroll(element, 'left'); + rect.top += scrollTop; + rect.left += scrollLeft; + rect.bottom += scrollTop; + rect.right += scrollLeft; + } else { + rect = element.getBoundingClientRect(); + } + } catch (e) {} + + var result = { + left: rect.left, + top: rect.top, + width: rect.right - rect.left, + height: rect.bottom - rect.top + }; + + // subtract scrollbar size from sizes + var sizes = element.nodeName === 'HTML' ? getWindowSizes(element.ownerDocument) : {}; + var width = sizes.width || element.clientWidth || result.right - result.left; + var height = sizes.height || element.clientHeight || result.bottom - result.top; + + var horizScrollbar = element.offsetWidth - width; + var vertScrollbar = element.offsetHeight - height; + + // if an hypothetical scrollbar is detected, we must be sure it's not a `border` + // we make this check conditional for performance reasons + if (horizScrollbar || vertScrollbar) { + var styles = getStyleComputedProperty(element); + horizScrollbar -= getBordersSize(styles, 'x'); + vertScrollbar -= getBordersSize(styles, 'y'); + + result.width -= horizScrollbar; + result.height -= vertScrollbar; + } + + return getClientRect(result); + } + + function getOffsetRectRelativeToArbitraryNode(children, parent) { + var fixedPosition = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; + + var isIE10 = isIE(10); + var isHTML = parent.nodeName === 'HTML'; + var childrenRect = getBoundingClientRect(children); + var parentRect = getBoundingClientRect(parent); + var scrollParent = getScrollParent(children); + + var styles = getStyleComputedProperty(parent); + var borderTopWidth = parseFloat(styles.borderTopWidth, 10); + var borderLeftWidth = parseFloat(styles.borderLeftWidth, 10); + + // In cases where the parent is fixed, we must ignore negative scroll in offset calc + if (fixedPosition && isHTML) { + parentRect.top = Math.max(parentRect.top, 0); + parentRect.left = Math.max(parentRect.left, 0); + } + var offsets = getClientRect({ + top: childrenRect.top - parentRect.top - borderTopWidth, + left: childrenRect.left - parentRect.left - borderLeftWidth, + width: childrenRect.width, + height: childrenRect.height + }); + offsets.marginTop = 0; + offsets.marginLeft = 0; + + // Subtract margins of documentElement in case it's being used as parent + // we do this only on HTML because it's the only element that behaves + // differently when margins are applied to it. The margins are included in + // the box of the documentElement, in the other cases not. + if (!isIE10 && isHTML) { + var marginTop = parseFloat(styles.marginTop, 10); + var marginLeft = parseFloat(styles.marginLeft, 10); + + offsets.top -= borderTopWidth - marginTop; + offsets.bottom -= borderTopWidth - marginTop; + offsets.left -= borderLeftWidth - marginLeft; + offsets.right -= borderLeftWidth - marginLeft; + + // Attach marginTop and marginLeft because in some circumstances we may need them + offsets.marginTop = marginTop; + offsets.marginLeft = marginLeft; + } + + if (isIE10 && !fixedPosition ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') { + offsets = includeScroll(offsets, parent); + } + + return offsets; + } + + function getViewportOffsetRectRelativeToArtbitraryNode(element) { + var excludeScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; + + var html = element.ownerDocument.documentElement; + var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html); + var width = Math.max(html.clientWidth, window.innerWidth || 0); + var height = Math.max(html.clientHeight, window.innerHeight || 0); + + var scrollTop = !excludeScroll ? getScroll(html) : 0; + var scrollLeft = !excludeScroll ? getScroll(html, 'left') : 0; + + var offset = { + top: scrollTop - relativeOffset.top + relativeOffset.marginTop, + left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft, + width: width, + height: height + }; + + return getClientRect(offset); + } + + /** + * Check if the given element is fixed or is inside a fixed parent + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @argument {Element} customContainer + * @returns {Boolean} answer to "isFixed?" + */ + function isFixed(element) { + var nodeName = element.nodeName; + if (nodeName === 'BODY' || nodeName === 'HTML') { + return false; + } + if (getStyleComputedProperty(element, 'position') === 'fixed') { + return true; + } + var parentNode = getParentNode(element); + if (!parentNode) { + return false; + } + return isFixed(parentNode); + } + + /** + * Finds the first parent of an element that has a transformed property defined + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @returns {Element} first transformed parent or documentElement + */ + + function getFixedPositionOffsetParent(element) { + // This check is needed to avoid errors in case one of the elements isn't defined for any reason + if (!element || !element.parentElement || isIE()) { + return document.documentElement; + } + var el = element.parentElement; + while (el && getStyleComputedProperty(el, 'transform') === 'none') { + el = el.parentElement; + } + return el || document.documentElement; + } + + /** + * Computed the boundaries limits and return them + * @method + * @memberof Popper.Utils + * @param {HTMLElement} popper + * @param {HTMLElement} reference + * @param {number} padding + * @param {HTMLElement} boundariesElement - Element used to define the boundaries + * @param {Boolean} fixedPosition - Is in fixed position mode + * @returns {Object} Coordinates of the boundaries + */ + function getBoundaries(popper, reference, padding, boundariesElement) { + var fixedPosition = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false; + + // NOTE: 1 DOM access here + + var boundaries = { top: 0, left: 0 }; + var offsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference); + + // Handle viewport case + if (boundariesElement === 'viewport') { + boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent, fixedPosition); + } else { + // Handle other cases based on DOM element used as boundaries + var boundariesNode = void 0; + if (boundariesElement === 'scrollParent') { + boundariesNode = getScrollParent(getParentNode(reference)); + if (boundariesNode.nodeName === 'BODY') { + boundariesNode = popper.ownerDocument.documentElement; + } + } else if (boundariesElement === 'window') { + boundariesNode = popper.ownerDocument.documentElement; + } else { + boundariesNode = boundariesElement; + } + + var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent, fixedPosition); + + // In case of HTML, we need a different computation + if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) { + var _getWindowSizes = getWindowSizes(popper.ownerDocument), + 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 + padding = padding || 0; + var isPaddingNumber = typeof padding === 'number'; + boundaries.left += isPaddingNumber ? padding : padding.left || 0; + boundaries.top += isPaddingNumber ? padding : padding.top || 0; + boundaries.right -= isPaddingNumber ? padding : padding.right || 0; + boundaries.bottom -= isPaddingNumber ? padding : padding.bottom || 0; + + return boundaries; + } + + function getArea(_ref) { + var width = _ref.width, + height = _ref.height; + + return width * height; + } + + /** + * Utility used to transform the `auto` placement to the placement with more + * available space. + * @method + * @memberof Popper.Utils + * @argument {Object} data - The data object generated by update method + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The data object, properly modified + */ + function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) { + var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0; + + if (placement.indexOf('auto') === -1) { + return placement; + } + + var boundaries = getBoundaries(popper, reference, padding, boundariesElement); + + var rects = { + top: { + width: boundaries.width, + height: refRect.top - boundaries.top + }, + right: { + width: boundaries.right - refRect.right, + height: boundaries.height + }, + bottom: { + width: boundaries.width, + height: boundaries.bottom - refRect.bottom + }, + left: { + width: refRect.left - boundaries.left, + height: boundaries.height + } + }; + + var sortedAreas = Object.keys(rects).map(function (key) { + return _extends({ + key: key + }, rects[key], { + area: getArea(rects[key]) + }); + }).sort(function (a, b) { + return b.area - a.area; + }); + + var filteredAreas = sortedAreas.filter(function (_ref2) { + var width = _ref2.width, + height = _ref2.height; + return width >= popper.clientWidth && height >= popper.clientHeight; + }); + + var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key; + + var variation = placement.split('-')[1]; + + return computedPlacement + (variation ? '-' + variation : ''); + } + + /** + * Get offsets to the reference element + * @method + * @memberof Popper.Utils + * @param {Object} state + * @param {Element} popper - the popper element + * @param {Element} reference - the reference element (the popper will be relative to this) + * @param {Element} fixedPosition - is in fixed position mode + * @returns {Object} An object containing the offsets which will be applied to the popper + */ + function getReferenceOffsets(state, popper, reference) { + var fixedPosition = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null; + + var commonOffsetParent = fixedPosition ? getFixedPositionOffsetParent(popper) : findCommonOffsetParent(popper, reference); + return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent, fixedPosition); + } + + /** + * Get the outer sizes of the given element (offset size + margins) + * @method + * @memberof Popper.Utils + * @argument {Element} element + * @returns {Object} object containing width and height properties + */ + function getOuterSizes(element) { + var window = element.ownerDocument.defaultView; + var styles = window.getComputedStyle(element); + var x = parseFloat(styles.marginTop || 0) + parseFloat(styles.marginBottom || 0); + var y = parseFloat(styles.marginLeft || 0) + parseFloat(styles.marginRight || 0); + var result = { + width: element.offsetWidth + y, + height: element.offsetHeight + x + }; + return result; + } + + /** + * Get the opposite placement of the given one + * @method + * @memberof Popper.Utils + * @argument {String} placement + * @returns {String} flipped placement + */ + function getOppositePlacement(placement) { + var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' }; + return placement.replace(/left|right|bottom|top/g, function (matched) { + return hash[matched]; + }); + } + + /** + * Get offsets to the popper + * @method + * @memberof Popper.Utils + * @param {Object} position - CSS position the Popper will get applied + * @param {HTMLElement} popper - the popper element + * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this) + * @param {String} placement - one of the valid placement options + * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper + */ + function getPopperOffsets(popper, referenceOffsets, placement) { + placement = placement.split('-')[0]; + + // Get popper node sizes + var popperRect = getOuterSizes(popper); + + // Add position, width and height to our offsets object + var popperOffsets = { + width: popperRect.width, + height: popperRect.height + }; + + // depending by the popper placement we have to compute its offsets slightly differently + var isHoriz = ['right', 'left'].indexOf(placement) !== -1; + var mainSide = isHoriz ? 'top' : 'left'; + var secondarySide = isHoriz ? 'left' : 'top'; + var measurement = isHoriz ? 'height' : 'width'; + var secondaryMeasurement = !isHoriz ? 'height' : 'width'; + + popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2; + if (placement === secondarySide) { + popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement]; + } else { + popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)]; + } + + return popperOffsets; + } + + /** + * Mimics the `find` method of Array + * @method + * @memberof Popper.Utils + * @argument {Array} arr + * @argument prop + * @argument value + * @returns index or -1 + */ + function find(arr, check) { + // use native find if supported + if (Array.prototype.find) { + return arr.find(check); + } + + // use `filter` to obtain the same behavior of `find` + return arr.filter(check)[0]; + } + + /** + * Return the index of the matching object + * @method + * @memberof Popper.Utils + * @argument {Array} arr + * @argument prop + * @argument value + * @returns index or -1 + */ + function findIndex(arr, prop, value) { + // use native findIndex if supported + if (Array.prototype.findIndex) { + return arr.findIndex(function (cur) { + return cur[prop] === value; + }); + } + + // use `find` + `indexOf` if `findIndex` isn't supported + var match = find(arr, function (obj) { + return obj[prop] === value; + }); + return arr.indexOf(match); + } + + /** + * Loop trough the list of modifiers and run them in order, + * each of them will then edit the data object. + * @method + * @memberof Popper.Utils + * @param {dataObject} data + * @param {Array} modifiers + * @param {String} ends - Optional modifier name used as stopper + * @returns {dataObject} + */ + function runModifiers(modifiers, data, ends) { + var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends)); + + modifiersToRun.forEach(function (modifier) { + if (modifier['function']) { + // eslint-disable-line dot-notation + console.warn('`modifier.function` is deprecated, use `modifier.fn`!'); + } + var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation + if (modifier.enabled && isFunction(fn)) { + // Add properties to offsets to make them a complete clientRect object + // we do this before each modifier to make sure the previous one doesn't + // mess with these values + data.offsets.popper = getClientRect(data.offsets.popper); + data.offsets.reference = getClientRect(data.offsets.reference); + + data = fn(data, modifier); + } + }); + + return data; + } + + /** + * Updates the position of the popper, computing the new offsets and applying + * the new style.<br /> + * Prefer `scheduleUpdate` over `update` because of performance reasons. + * @method + * @memberof Popper + */ + function update() { + // if popper is destroyed, don't perform any further update + if (this.state.isDestroyed) { + return; + } + + var data = { + instance: this, + styles: {}, + arrowStyles: {}, + attributes: {}, + flipped: false, + offsets: {} + }; + + // compute reference element offsets + data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference, this.options.positionFixed); + + // compute auto placement, store placement inside the data object, + // modifiers will be able to edit `placement` if needed + // and refer to originalPlacement to know the original value + data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding); + + // store the computed placement inside `originalPlacement` + data.originalPlacement = data.placement; + + data.positionFixed = this.options.positionFixed; + + // compute the popper offsets + data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement); + + data.offsets.popper.position = this.options.positionFixed ? 'fixed' : 'absolute'; + + // run the modifiers + data = runModifiers(this.modifiers, data); + + // the first `update` will call `onCreate` callback + // the other ones will call `onUpdate` callback + if (!this.state.isCreated) { + this.state.isCreated = true; + this.options.onCreate(data); + } else { + this.options.onUpdate(data); + } + } + + /** + * Helper used to know if the given modifier is enabled. + * @method + * @memberof Popper.Utils + * @returns {Boolean} + */ + function isModifierEnabled(modifiers, modifierName) { + return modifiers.some(function (_ref) { + var name = _ref.name, + enabled = _ref.enabled; + return enabled && name === modifierName; + }); + } + + /** + * Get the prefixed supported property name + * @method + * @memberof Popper.Utils + * @argument {String} property (camelCase) + * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix) + */ + function getSupportedPropertyName(property) { + var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O']; + var upperProp = property.charAt(0).toUpperCase() + property.slice(1); + + for (var i = 0; i < prefixes.length; i++) { + var prefix = prefixes[i]; + var toCheck = prefix ? '' + prefix + upperProp : property; + if (typeof document.body.style[toCheck] !== 'undefined') { + return toCheck; + } + } + return null; + } + + /** + * Destroys the popper. + * @method + * @memberof Popper + */ + function destroy() { + this.state.isDestroyed = true; + + // touch DOM only if `applyStyle` modifier is enabled + if (isModifierEnabled(this.modifiers, 'applyStyle')) { + this.popper.removeAttribute('x-placement'); + this.popper.style.position = ''; + this.popper.style.top = ''; + this.popper.style.left = ''; + this.popper.style.right = ''; + this.popper.style.bottom = ''; + this.popper.style.willChange = ''; + this.popper.style[getSupportedPropertyName('transform')] = ''; + } + + this.disableEventListeners(); + + // remove the popper if user explicity asked for the deletion on destroy + // do not use `remove` because IE11 doesn't support it + if (this.options.removeOnDestroy) { + this.popper.parentNode.removeChild(this.popper); + } + return this; + } + + /** + * Get the window associated with the element + * @argument {Element} element + * @returns {Window} + */ + function getWindow(element) { + var ownerDocument = element.ownerDocument; + return ownerDocument ? ownerDocument.defaultView : window; + } + + function attachToScrollParents(scrollParent, event, callback, scrollParents) { + var isBody = scrollParent.nodeName === 'BODY'; + var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent; + target.addEventListener(event, callback, { passive: true }); + + if (!isBody) { + attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents); + } + scrollParents.push(target); + } + + /** + * Setup needed event listeners used to update the popper position + * @method + * @memberof Popper.Utils + * @private + */ + function setupEventListeners(reference, options, state, updateBound) { + // Resize event listener on window + state.updateBound = updateBound; + getWindow(reference).addEventListener('resize', state.updateBound, { passive: true }); + + // Scroll event listener on scroll parents + var scrollElement = getScrollParent(reference); + attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents); + state.scrollElement = scrollElement; + state.eventsEnabled = true; + + return state; + } + + /** + * It will add resize/scroll events and start recalculating + * position of the popper element when they are triggered. + * @method + * @memberof Popper + */ + function enableEventListeners() { + if (!this.state.eventsEnabled) { + this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate); + } + } + + /** + * Remove event listeners used to update the popper position + * @method + * @memberof Popper.Utils + * @private + */ + function removeEventListeners(reference, state) { + // Remove resize event listener on window + getWindow(reference).removeEventListener('resize', state.updateBound); + + // Remove scroll event listener on scroll parents + state.scrollParents.forEach(function (target) { + target.removeEventListener('scroll', state.updateBound); + }); + + // Reset state + state.updateBound = null; + state.scrollParents = []; + state.scrollElement = null; + state.eventsEnabled = false; + return state; + } + + /** + * It will remove resize/scroll events and won't recalculate popper position + * when they are triggered. It also won't trigger `onUpdate` callback anymore, + * unless you call `update` method manually. + * @method + * @memberof Popper + */ + function disableEventListeners() { + if (this.state.eventsEnabled) { + cancelAnimationFrame(this.scheduleUpdate); + this.state = removeEventListeners(this.reference, this.state); + } + } + + /** + * Tells if a given input is a number + * @method + * @memberof Popper.Utils + * @param {*} input to check + * @return {Boolean} + */ + function isNumeric(n) { + return n !== '' && !isNaN(parseFloat(n)) && isFinite(n); + } + + /** + * Set the style to the given popper + * @method + * @memberof Popper.Utils + * @argument {Element} element - Element to apply the style to + * @argument {Object} styles + * Object with a list of properties and values which will be applied to the element + */ + function setStyles(element, styles) { + Object.keys(styles).forEach(function (prop) { + var unit = ''; + // add unit if the value is numeric and is one of the following + if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) { + unit = 'px'; + } + element.style[prop] = styles[prop] + unit; + }); + } + + /** + * Set the attributes to the given popper + * @method + * @memberof Popper.Utils + * @argument {Element} element - Element to apply the attributes to + * @argument {Object} styles + * Object with a list of properties and values which will be applied to the element + */ + function setAttributes(element, attributes) { + Object.keys(attributes).forEach(function (prop) { + var value = attributes[prop]; + if (value !== false) { + element.setAttribute(prop, attributes[prop]); + } else { + element.removeAttribute(prop); + } + }); + } + + /** + * @function + * @memberof Modifiers + * @argument {Object} data - The data object generated by `update` method + * @argument {Object} data.styles - List of style properties - values to apply to popper element + * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element + * @argument {Object} options - Modifiers configuration and options + * @returns {Object} The same data object + */ + function applyStyle(data) { + // any property present in `data.styles` will be applied to the popper, + // in this way we can make the 3rd party modifiers add custom styles to it + // Be aware, modifiers could override the properties defined in the previous + // lines of this modifier! + setStyles(data.instance.popper, data.styles); + + // any property present in `data.attributes` will be applied to the popper, + // they will be set as HTML attributes of the element + setAttributes(data.instance.popper, data.attributes); + + // if arrowElement is defined and arrowStyles has some properties + if (data.arrowElement && Object.keys(data.arrowStyles).length) { + setStyles(data.arrowElement, data.arrowStyles); + } + + return data; + } + + /** + * Set the x-placement attribute before everything else because it could be used + * to add margins to the popper margins needs to be calculated to get the + * correct popper offsets. + * @method + * @memberof Popper.modifiers + * @param {HTMLElement} reference - The reference element used to position the popper + * @param {HTMLElement} popper - The HTML element used as popper + * @param {Object} options - Popper.js options + */ + function applyStyleOnLoad(reference, popper, options, modifierOptions, state) { + // compute reference element offsets + var referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed); + + // compute auto placement, store placement inside the data object, + // modifiers will be able to edit `placement` if needed + // and refer to originalPlacement to know the original value + var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding); + + popper.setAttribute('x-placement', placement); + + // Apply `position` to popper before anything else because + // without the position applied we can't guarantee correct computations + setStyles(popper, { position: options.positionFixed ? 'fixed' : 'absolute' }); + + return options; + } + + /** + * @function + * @memberof Popper.Utils + * @argument {Object} data - The data object generated by `update` method + * @argument {Boolean} shouldRound - If the offsets should be rounded at all + * @returns {Object} The popper's position offsets rounded + * + * The tale of pixel-perfect positioning. It's still not 100% perfect, but as + * good as it can be within reason. + * Discussion here: https://github.com/FezVrasta/popper.js/pull/715 + * + * Low DPI screens cause a popper to be blurry if not using full pixels (Safari + * as well on High DPI screens). + * + * Firefox prefers no rounding for positioning and does not have blurriness on + * high DPI screens. + * + * Only horizontal placement and left/right values need to be considered. + */ + function getRoundedOffsets(data, shouldRound) { + var _data$offsets = data.offsets, + popper = _data$offsets.popper, + reference = _data$offsets.reference; + var round = Math.round, + floor = Math.floor; + + var noRound = function noRound(v) { + return v; + }; + + var referenceWidth = round(reference.width); + var popperWidth = round(popper.width); +
[... 4271 lines stripped ...]
