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bootstrap.js
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bootstrap.js
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/*!
* Bootstrap v4.4.1 (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'), require('popper.js')) :
typeof define === 'function' && define.amd ? define(['exports', 'jquery', 'popper.js'], factory) :
(global = global || self, factory(global.bootstrap = {}, global.jQuery, global.Popper));
}(this, (function (exports, $, Popper) { 'use strict';
$ = $ && $.hasOwnProperty('default') ? $['default'] : $;
Popper = Popper && Popper.hasOwnProperty('default') ? Popper['default'] : Popper;
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 ownKeys(object, enumerableOnly) {
var keys = Object.keys(object);
if (Object.getOwnPropertySymbols) {
var symbols = Object.getOwnPropertySymbols(object);
if (enumerableOnly) symbols = symbols.filter(function (sym) {
return Object.getOwnPropertyDescriptor(object, sym).enumerable;
});
keys.push.apply(keys, symbols);
}
return keys;
}
function _objectSpread2(target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i] != null ? arguments[i] : {};
if (i % 2) {
ownKeys(Object(source), true).forEach(function (key) {
_defineProperty(target, key, source[key]);
});
} else if (Object.getOwnPropertyDescriptors) {
Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
} else {
ownKeys(Object(source)).forEach(function (key) {
Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
});
}
}
return target;
}
function _inheritsLoose(subClass, superClass) {
subClass.prototype = Object.create(superClass.prototype);
subClass.prototype.constructor = subClass;
subClass.__proto__ = superClass;
}
/**
* --------------------------------------------------------------------------
* Bootstrap (v4.4.1): 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);
},
jQueryDetection: function jQueryDetection() {
if (typeof $ === 'undefined') {
throw new TypeError('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.');
}
var version = $.fn.jquery.split(' ')[0].split('.');
var minMajor = 1;
var ltMajor = 2;
var minMinor = 9;
var minPatch = 1;
var maxMajor = 4;
if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');
}
}
};
Util.jQueryDetection();
setTransitionEndSupport();
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
var NAME = 'alert';
var VERSION = '4.4.1';
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 = '4.4.1';
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_TOGGLES: '[data-toggle="buttons"]',
DATA_TOGGLE: '[data-toggle="button"]',
DATA_TOGGLES_BUTTONS: '[data-toggle="buttons"] .btn',
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),
LOAD_DATA_API: "load" + 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_TOGGLES)[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);
}
}
} else if (input.type === 'checkbox') {
if (this._element.tagName === 'LABEL' && input.checked === this._element.classList.contains(ClassName$1.ACTIVE)) {
triggerChangeEvent = false;
}
} else {
// if it's not a radio button or checkbox don't add a pointless/invalid checked property to the input
triggerChangeEvent = false;
}
if (triggerChangeEvent) {
input.checked = !this._element.classList.contains(ClassName$1.ACTIVE);
$(input).trigger('change');
}
input.focus();
addAriaPressed = false;
}
}
if (!(this._element.hasAttribute('disabled') || this._element.classList.contains('disabled'))) {
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$1.DATA_TOGGLE_CARROT, function (event) {
var button = event.target;
if (!$(button).hasClass(ClassName$1.BUTTON)) {
button = $(button).closest(Selector$1.BUTTON)[0];
}
if (!button || button.hasAttribute('disabled') || button.classList.contains('disabled')) {
event.preventDefault(); // work around Firefox bug #1540995
} else {
var inputBtn = button.querySelector(Selector$1.INPUT);
if (inputBtn && (inputBtn.hasAttribute('disabled') || inputBtn.classList.contains('disabled'))) {
event.preventDefault(); // work around Firefox bug #1540995
return;
}
Button._jQueryInterface.call($(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));
});
$(window).on(Event$1.LOAD_DATA_API, function () {
// ensure correct active class is set to match the controls' actual values/states
// find all checkboxes/readio buttons inside data-toggle groups
var buttons = [].slice.call(document.querySelectorAll(Selector$1.DATA_TOGGLES_BUTTONS));
for (var i = 0, len = buttons.length; i < len; i++) {
var button = buttons[i];
var input = button.querySelector(Selector$1.INPUT);
if (input.checked || input.hasAttribute('checked')) {
button.classList.add(ClassName$1.ACTIVE);
} else {
button.classList.remove(ClassName$1.ACTIVE);
}
} // find all button toggles
buttons = [].slice.call(document.querySelectorAll(Selector$1.DATA_TOGGLE));
for (var _i = 0, _len = buttons.length; _i < _len; _i++) {
var _button = buttons[_i];
if (_button.getAttribute('aria-pressed') === 'true') {
_button.classList.add(ClassName$1.ACTIVE);
} else {
_button.classList.remove(ClassName$1.ACTIVE);
}
}
});
/**
* ------------------------------------------------------------------------
* 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 = '4.4.1';
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 = _objectSpread2({}, 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;
this.touchDeltaX = 0; // 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;
}
};
_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,