swiper
Version:
Most modern mobile touch slider and framework with hardware accelerated transitions
1,425 lines (1,392 loc) • 177 kB
JavaScript
/**
* Swiper Custom Element 11.1.4
* Most modern mobile touch slider and framework with hardware accelerated transitions
* https://swiperjs.com
*
* Copyright 2014-2024 Vladimir Kharlampidi
*
* Released under the MIT License
*
* Released on: May 30, 2024
*/
(function () {
'use strict';
/**
* SSR Window 4.0.2
* Better handling for window object in SSR environment
* https://github.com/nolimits4web/ssr-window
*
* Copyright 2021, Vladimir Kharlampidi
*
* Licensed under MIT
*
* Released on: December 13, 2021
*/
/* eslint-disable no-param-reassign */
function isObject$2(obj) {
return obj !== null && typeof obj === 'object' && 'constructor' in obj && obj.constructor === Object;
}
function extend$2(target, src) {
if (target === void 0) {
target = {};
}
if (src === void 0) {
src = {};
}
Object.keys(src).forEach(key => {
if (typeof target[key] === 'undefined') target[key] = src[key];else if (isObject$2(src[key]) && isObject$2(target[key]) && Object.keys(src[key]).length > 0) {
extend$2(target[key], src[key]);
}
});
}
const ssrDocument = {
body: {},
addEventListener() {},
removeEventListener() {},
activeElement: {
blur() {},
nodeName: ''
},
querySelector() {
return null;
},
querySelectorAll() {
return [];
},
getElementById() {
return null;
},
createEvent() {
return {
initEvent() {}
};
},
createElement() {
return {
children: [],
childNodes: [],
style: {},
setAttribute() {},
getElementsByTagName() {
return [];
}
};
},
createElementNS() {
return {};
},
importNode() {
return null;
},
location: {
hash: '',
host: '',
hostname: '',
href: '',
origin: '',
pathname: '',
protocol: '',
search: ''
}
};
function getDocument() {
const doc = typeof document !== 'undefined' ? document : {};
extend$2(doc, ssrDocument);
return doc;
}
const ssrWindow = {
document: ssrDocument,
navigator: {
userAgent: ''
},
location: {
hash: '',
host: '',
hostname: '',
href: '',
origin: '',
pathname: '',
protocol: '',
search: ''
},
history: {
replaceState() {},
pushState() {},
go() {},
back() {}
},
CustomEvent: function CustomEvent() {
return this;
},
addEventListener() {},
removeEventListener() {},
getComputedStyle() {
return {
getPropertyValue() {
return '';
}
};
},
Image() {},
Date() {},
screen: {},
setTimeout() {},
clearTimeout() {},
matchMedia() {
return {};
},
requestAnimationFrame(callback) {
if (typeof setTimeout === 'undefined') {
callback();
return null;
}
return setTimeout(callback, 0);
},
cancelAnimationFrame(id) {
if (typeof setTimeout === 'undefined') {
return;
}
clearTimeout(id);
}
};
function getWindow() {
const win = typeof window !== 'undefined' ? window : {};
extend$2(win, ssrWindow);
return win;
}
function classesToTokens(classes) {
if (classes === void 0) {
classes = '';
}
return classes.trim().split(' ').filter(c => !!c.trim());
}
function deleteProps(obj) {
const object = obj;
Object.keys(object).forEach(key => {
try {
object[key] = null;
} catch (e) {
// no getter for object
}
try {
delete object[key];
} catch (e) {
// something got wrong
}
});
}
function nextTick(callback, delay) {
if (delay === void 0) {
delay = 0;
}
return setTimeout(callback, delay);
}
function now() {
return Date.now();
}
function getComputedStyle$1(el) {
const window = getWindow();
let style;
if (window.getComputedStyle) {
style = window.getComputedStyle(el, null);
}
if (!style && el.currentStyle) {
style = el.currentStyle;
}
if (!style) {
style = el.style;
}
return style;
}
function getTranslate(el, axis) {
if (axis === void 0) {
axis = 'x';
}
const window = getWindow();
let matrix;
let curTransform;
let transformMatrix;
const curStyle = getComputedStyle$1(el);
if (window.WebKitCSSMatrix) {
curTransform = curStyle.transform || curStyle.webkitTransform;
if (curTransform.split(',').length > 6) {
curTransform = curTransform.split(', ').map(a => a.replace(',', '.')).join(', ');
}
// Some old versions of Webkit choke when 'none' is passed; pass
// empty string instead in this case
transformMatrix = new window.WebKitCSSMatrix(curTransform === 'none' ? '' : curTransform);
} else {
transformMatrix = curStyle.MozTransform || curStyle.OTransform || curStyle.MsTransform || curStyle.msTransform || curStyle.transform || curStyle.getPropertyValue('transform').replace('translate(', 'matrix(1, 0, 0, 1,');
matrix = transformMatrix.toString().split(',');
}
if (axis === 'x') {
// Latest Chrome and webkits Fix
if (window.WebKitCSSMatrix) curTransform = transformMatrix.m41;
// Crazy IE10 Matrix
else if (matrix.length === 16) curTransform = parseFloat(matrix[12]);
// Normal Browsers
else curTransform = parseFloat(matrix[4]);
}
if (axis === 'y') {
// Latest Chrome and webkits Fix
if (window.WebKitCSSMatrix) curTransform = transformMatrix.m42;
// Crazy IE10 Matrix
else if (matrix.length === 16) curTransform = parseFloat(matrix[13]);
// Normal Browsers
else curTransform = parseFloat(matrix[5]);
}
return curTransform || 0;
}
function isObject$1(o) {
return typeof o === 'object' && o !== null && o.constructor && Object.prototype.toString.call(o).slice(8, -1) === 'Object';
}
function isNode(node) {
// eslint-disable-next-line
if (typeof window !== 'undefined' && typeof window.HTMLElement !== 'undefined') {
return node instanceof HTMLElement;
}
return node && (node.nodeType === 1 || node.nodeType === 11);
}
function extend$1() {
const to = Object(arguments.length <= 0 ? undefined : arguments[0]);
const noExtend = ['__proto__', 'constructor', 'prototype'];
for (let i = 1; i < arguments.length; i += 1) {
const nextSource = i < 0 || arguments.length <= i ? undefined : arguments[i];
if (nextSource !== undefined && nextSource !== null && !isNode(nextSource)) {
const keysArray = Object.keys(Object(nextSource)).filter(key => noExtend.indexOf(key) < 0);
for (let nextIndex = 0, len = keysArray.length; nextIndex < len; nextIndex += 1) {
const nextKey = keysArray[nextIndex];
const desc = Object.getOwnPropertyDescriptor(nextSource, nextKey);
if (desc !== undefined && desc.enumerable) {
if (isObject$1(to[nextKey]) && isObject$1(nextSource[nextKey])) {
if (nextSource[nextKey].__swiper__) {
to[nextKey] = nextSource[nextKey];
} else {
extend$1(to[nextKey], nextSource[nextKey]);
}
} else if (!isObject$1(to[nextKey]) && isObject$1(nextSource[nextKey])) {
to[nextKey] = {};
if (nextSource[nextKey].__swiper__) {
to[nextKey] = nextSource[nextKey];
} else {
extend$1(to[nextKey], nextSource[nextKey]);
}
} else {
to[nextKey] = nextSource[nextKey];
}
}
}
}
}
return to;
}
function setCSSProperty(el, varName, varValue) {
el.style.setProperty(varName, varValue);
}
function animateCSSModeScroll(_ref) {
let {
swiper,
targetPosition,
side
} = _ref;
const window = getWindow();
const startPosition = -swiper.translate;
let startTime = null;
let time;
const duration = swiper.params.speed;
swiper.wrapperEl.style.scrollSnapType = 'none';
window.cancelAnimationFrame(swiper.cssModeFrameID);
const dir = targetPosition > startPosition ? 'next' : 'prev';
const isOutOfBound = (current, target) => {
return dir === 'next' && current >= target || dir === 'prev' && current <= target;
};
const animate = () => {
time = new Date().getTime();
if (startTime === null) {
startTime = time;
}
const progress = Math.max(Math.min((time - startTime) / duration, 1), 0);
const easeProgress = 0.5 - Math.cos(progress * Math.PI) / 2;
let currentPosition = startPosition + easeProgress * (targetPosition - startPosition);
if (isOutOfBound(currentPosition, targetPosition)) {
currentPosition = targetPosition;
}
swiper.wrapperEl.scrollTo({
[side]: currentPosition
});
if (isOutOfBound(currentPosition, targetPosition)) {
swiper.wrapperEl.style.overflow = 'hidden';
swiper.wrapperEl.style.scrollSnapType = '';
setTimeout(() => {
swiper.wrapperEl.style.overflow = '';
swiper.wrapperEl.scrollTo({
[side]: currentPosition
});
});
window.cancelAnimationFrame(swiper.cssModeFrameID);
return;
}
swiper.cssModeFrameID = window.requestAnimationFrame(animate);
};
animate();
}
function elementChildren(element, selector) {
if (selector === void 0) {
selector = '';
}
return [...element.children].filter(el => el.matches(selector));
}
function showWarning(text) {
try {
console.warn(text);
return;
} catch (err) {
// err
}
}
function createElement(tag, classes) {
if (classes === void 0) {
classes = [];
}
const el = document.createElement(tag);
el.classList.add(...(Array.isArray(classes) ? classes : classesToTokens(classes)));
return el;
}
function elementPrevAll(el, selector) {
const prevEls = [];
while (el.previousElementSibling) {
const prev = el.previousElementSibling; // eslint-disable-line
if (selector) {
if (prev.matches(selector)) prevEls.push(prev);
} else prevEls.push(prev);
el = prev;
}
return prevEls;
}
function elementNextAll(el, selector) {
const nextEls = [];
while (el.nextElementSibling) {
const next = el.nextElementSibling; // eslint-disable-line
if (selector) {
if (next.matches(selector)) nextEls.push(next);
} else nextEls.push(next);
el = next;
}
return nextEls;
}
function elementStyle(el, prop) {
const window = getWindow();
return window.getComputedStyle(el, null).getPropertyValue(prop);
}
function elementIndex(el) {
let child = el;
let i;
if (child) {
i = 0;
// eslint-disable-next-line
while ((child = child.previousSibling) !== null) {
if (child.nodeType === 1) i += 1;
}
return i;
}
return undefined;
}
function elementParents(el, selector) {
const parents = []; // eslint-disable-line
let parent = el.parentElement; // eslint-disable-line
while (parent) {
if (selector) {
if (parent.matches(selector)) parents.push(parent);
} else {
parents.push(parent);
}
parent = parent.parentElement;
}
return parents;
}
function elementOuterSize(el, size, includeMargins) {
const window = getWindow();
if (includeMargins) {
return el[size === 'width' ? 'offsetWidth' : 'offsetHeight'] + parseFloat(window.getComputedStyle(el, null).getPropertyValue(size === 'width' ? 'margin-right' : 'margin-top')) + parseFloat(window.getComputedStyle(el, null).getPropertyValue(size === 'width' ? 'margin-left' : 'margin-bottom'));
}
return el.offsetWidth;
}
let support;
function calcSupport() {
const window = getWindow();
const document = getDocument();
return {
smoothScroll: document.documentElement && document.documentElement.style && 'scrollBehavior' in document.documentElement.style,
touch: !!('ontouchstart' in window || window.DocumentTouch && document instanceof window.DocumentTouch)
};
}
function getSupport() {
if (!support) {
support = calcSupport();
}
return support;
}
let deviceCached;
function calcDevice(_temp) {
let {
userAgent
} = _temp === void 0 ? {} : _temp;
const support = getSupport();
const window = getWindow();
const platform = window.navigator.platform;
const ua = userAgent || window.navigator.userAgent;
const device = {
ios: false,
android: false
};
const screenWidth = window.screen.width;
const screenHeight = window.screen.height;
const android = ua.match(/(Android);?[\s\/]+([\d.]+)?/); // eslint-disable-line
let ipad = ua.match(/(iPad).*OS\s([\d_]+)/);
const ipod = ua.match(/(iPod)(.*OS\s([\d_]+))?/);
const iphone = !ipad && ua.match(/(iPhone\sOS|iOS)\s([\d_]+)/);
const windows = platform === 'Win32';
let macos = platform === 'MacIntel';
// iPadOs 13 fix
const iPadScreens = ['1024x1366', '1366x1024', '834x1194', '1194x834', '834x1112', '1112x834', '768x1024', '1024x768', '820x1180', '1180x820', '810x1080', '1080x810'];
if (!ipad && macos && support.touch && iPadScreens.indexOf(`${screenWidth}x${screenHeight}`) >= 0) {
ipad = ua.match(/(Version)\/([\d.]+)/);
if (!ipad) ipad = [0, 1, '13_0_0'];
macos = false;
}
// Android
if (android && !windows) {
device.os = 'android';
device.android = true;
}
if (ipad || iphone || ipod) {
device.os = 'ios';
device.ios = true;
}
// Export object
return device;
}
function getDevice(overrides) {
if (overrides === void 0) {
overrides = {};
}
if (!deviceCached) {
deviceCached = calcDevice(overrides);
}
return deviceCached;
}
let browser;
function calcBrowser() {
const window = getWindow();
const device = getDevice();
let needPerspectiveFix = false;
function isSafari() {
const ua = window.navigator.userAgent.toLowerCase();
return ua.indexOf('safari') >= 0 && ua.indexOf('chrome') < 0 && ua.indexOf('android') < 0;
}
if (isSafari()) {
const ua = String(window.navigator.userAgent);
if (ua.includes('Version/')) {
const [major, minor] = ua.split('Version/')[1].split(' ')[0].split('.').map(num => Number(num));
needPerspectiveFix = major < 16 || major === 16 && minor < 2;
}
}
const isWebView = /(iPhone|iPod|iPad).*AppleWebKit(?!.*Safari)/i.test(window.navigator.userAgent);
const isSafariBrowser = isSafari();
const need3dFix = isSafariBrowser || isWebView && device.ios;
return {
isSafari: needPerspectiveFix || isSafariBrowser,
needPerspectiveFix,
need3dFix,
isWebView
};
}
function getBrowser() {
if (!browser) {
browser = calcBrowser();
}
return browser;
}
function Resize(_ref) {
let {
swiper,
on,
emit
} = _ref;
const window = getWindow();
let observer = null;
let animationFrame = null;
const resizeHandler = () => {
if (!swiper || swiper.destroyed || !swiper.initialized) return;
emit('beforeResize');
emit('resize');
};
const createObserver = () => {
if (!swiper || swiper.destroyed || !swiper.initialized) return;
observer = new ResizeObserver(entries => {
animationFrame = window.requestAnimationFrame(() => {
const {
width,
height
} = swiper;
let newWidth = width;
let newHeight = height;
entries.forEach(_ref2 => {
let {
contentBoxSize,
contentRect,
target
} = _ref2;
if (target && target !== swiper.el) return;
newWidth = contentRect ? contentRect.width : (contentBoxSize[0] || contentBoxSize).inlineSize;
newHeight = contentRect ? contentRect.height : (contentBoxSize[0] || contentBoxSize).blockSize;
});
if (newWidth !== width || newHeight !== height) {
resizeHandler();
}
});
});
observer.observe(swiper.el);
};
const removeObserver = () => {
if (animationFrame) {
window.cancelAnimationFrame(animationFrame);
}
if (observer && observer.unobserve && swiper.el) {
observer.unobserve(swiper.el);
observer = null;
}
};
const orientationChangeHandler = () => {
if (!swiper || swiper.destroyed || !swiper.initialized) return;
emit('orientationchange');
};
on('init', () => {
if (swiper.params.resizeObserver && typeof window.ResizeObserver !== 'undefined') {
createObserver();
return;
}
window.addEventListener('resize', resizeHandler);
window.addEventListener('orientationchange', orientationChangeHandler);
});
on('destroy', () => {
removeObserver();
window.removeEventListener('resize', resizeHandler);
window.removeEventListener('orientationchange', orientationChangeHandler);
});
}
function Observer(_ref) {
let {
swiper,
extendParams,
on,
emit
} = _ref;
const observers = [];
const window = getWindow();
const attach = function (target, options) {
if (options === void 0) {
options = {};
}
const ObserverFunc = window.MutationObserver || window.WebkitMutationObserver;
const observer = new ObserverFunc(mutations => {
// The observerUpdate event should only be triggered
// once despite the number of mutations. Additional
// triggers are redundant and are very costly
if (swiper.__preventObserver__) return;
if (mutations.length === 1) {
emit('observerUpdate', mutations[0]);
return;
}
const observerUpdate = function observerUpdate() {
emit('observerUpdate', mutations[0]);
};
if (window.requestAnimationFrame) {
window.requestAnimationFrame(observerUpdate);
} else {
window.setTimeout(observerUpdate, 0);
}
});
observer.observe(target, {
attributes: typeof options.attributes === 'undefined' ? true : options.attributes,
childList: typeof options.childList === 'undefined' ? true : options.childList,
characterData: typeof options.characterData === 'undefined' ? true : options.characterData
});
observers.push(observer);
};
const init = () => {
if (!swiper.params.observer) return;
if (swiper.params.observeParents) {
const containerParents = elementParents(swiper.hostEl);
for (let i = 0; i < containerParents.length; i += 1) {
attach(containerParents[i]);
}
}
// Observe container
attach(swiper.hostEl, {
childList: swiper.params.observeSlideChildren
});
// Observe wrapper
attach(swiper.wrapperEl, {
attributes: false
});
};
const destroy = () => {
observers.forEach(observer => {
observer.disconnect();
});
observers.splice(0, observers.length);
};
extendParams({
observer: false,
observeParents: false,
observeSlideChildren: false
});
on('init', init);
on('destroy', destroy);
}
/* eslint-disable no-underscore-dangle */
var eventsEmitter = {
on(events, handler, priority) {
const self = this;
if (!self.eventsListeners || self.destroyed) return self;
if (typeof handler !== 'function') return self;
const method = priority ? 'unshift' : 'push';
events.split(' ').forEach(event => {
if (!self.eventsListeners[event]) self.eventsListeners[event] = [];
self.eventsListeners[event][method](handler);
});
return self;
},
once(events, handler, priority) {
const self = this;
if (!self.eventsListeners || self.destroyed) return self;
if (typeof handler !== 'function') return self;
function onceHandler() {
self.off(events, onceHandler);
if (onceHandler.__emitterProxy) {
delete onceHandler.__emitterProxy;
}
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
handler.apply(self, args);
}
onceHandler.__emitterProxy = handler;
return self.on(events, onceHandler, priority);
},
onAny(handler, priority) {
const self = this;
if (!self.eventsListeners || self.destroyed) return self;
if (typeof handler !== 'function') return self;
const method = priority ? 'unshift' : 'push';
if (self.eventsAnyListeners.indexOf(handler) < 0) {
self.eventsAnyListeners[method](handler);
}
return self;
},
offAny(handler) {
const self = this;
if (!self.eventsListeners || self.destroyed) return self;
if (!self.eventsAnyListeners) return self;
const index = self.eventsAnyListeners.indexOf(handler);
if (index >= 0) {
self.eventsAnyListeners.splice(index, 1);
}
return self;
},
off(events, handler) {
const self = this;
if (!self.eventsListeners || self.destroyed) return self;
if (!self.eventsListeners) return self;
events.split(' ').forEach(event => {
if (typeof handler === 'undefined') {
self.eventsListeners[event] = [];
} else if (self.eventsListeners[event]) {
self.eventsListeners[event].forEach((eventHandler, index) => {
if (eventHandler === handler || eventHandler.__emitterProxy && eventHandler.__emitterProxy === handler) {
self.eventsListeners[event].splice(index, 1);
}
});
}
});
return self;
},
emit() {
const self = this;
if (!self.eventsListeners || self.destroyed) return self;
if (!self.eventsListeners) return self;
let events;
let data;
let context;
for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
if (typeof args[0] === 'string' || Array.isArray(args[0])) {
events = args[0];
data = args.slice(1, args.length);
context = self;
} else {
events = args[0].events;
data = args[0].data;
context = args[0].context || self;
}
data.unshift(context);
const eventsArray = Array.isArray(events) ? events : events.split(' ');
eventsArray.forEach(event => {
if (self.eventsAnyListeners && self.eventsAnyListeners.length) {
self.eventsAnyListeners.forEach(eventHandler => {
eventHandler.apply(context, [event, ...data]);
});
}
if (self.eventsListeners && self.eventsListeners[event]) {
self.eventsListeners[event].forEach(eventHandler => {
eventHandler.apply(context, data);
});
}
});
return self;
}
};
function updateSize() {
const swiper = this;
let width;
let height;
const el = swiper.el;
if (typeof swiper.params.width !== 'undefined' && swiper.params.width !== null) {
width = swiper.params.width;
} else {
width = el.clientWidth;
}
if (typeof swiper.params.height !== 'undefined' && swiper.params.height !== null) {
height = swiper.params.height;
} else {
height = el.clientHeight;
}
if (width === 0 && swiper.isHorizontal() || height === 0 && swiper.isVertical()) {
return;
}
// Subtract paddings
width = width - parseInt(elementStyle(el, 'padding-left') || 0, 10) - parseInt(elementStyle(el, 'padding-right') || 0, 10);
height = height - parseInt(elementStyle(el, 'padding-top') || 0, 10) - parseInt(elementStyle(el, 'padding-bottom') || 0, 10);
if (Number.isNaN(width)) width = 0;
if (Number.isNaN(height)) height = 0;
Object.assign(swiper, {
width,
height,
size: swiper.isHorizontal() ? width : height
});
}
function updateSlides() {
const swiper = this;
function getDirectionPropertyValue(node, label) {
return parseFloat(node.getPropertyValue(swiper.getDirectionLabel(label)) || 0);
}
const params = swiper.params;
const {
wrapperEl,
slidesEl,
size: swiperSize,
rtlTranslate: rtl,
wrongRTL
} = swiper;
const isVirtual = swiper.virtual && params.virtual.enabled;
const previousSlidesLength = isVirtual ? swiper.virtual.slides.length : swiper.slides.length;
const slides = elementChildren(slidesEl, `.${swiper.params.slideClass}, swiper-slide`);
const slidesLength = isVirtual ? swiper.virtual.slides.length : slides.length;
let snapGrid = [];
const slidesGrid = [];
const slidesSizesGrid = [];
let offsetBefore = params.slidesOffsetBefore;
if (typeof offsetBefore === 'function') {
offsetBefore = params.slidesOffsetBefore.call(swiper);
}
let offsetAfter = params.slidesOffsetAfter;
if (typeof offsetAfter === 'function') {
offsetAfter = params.slidesOffsetAfter.call(swiper);
}
const previousSnapGridLength = swiper.snapGrid.length;
const previousSlidesGridLength = swiper.slidesGrid.length;
let spaceBetween = params.spaceBetween;
let slidePosition = -offsetBefore;
let prevSlideSize = 0;
let index = 0;
if (typeof swiperSize === 'undefined') {
return;
}
if (typeof spaceBetween === 'string' && spaceBetween.indexOf('%') >= 0) {
spaceBetween = parseFloat(spaceBetween.replace('%', '')) / 100 * swiperSize;
} else if (typeof spaceBetween === 'string') {
spaceBetween = parseFloat(spaceBetween);
}
swiper.virtualSize = -spaceBetween;
// reset margins
slides.forEach(slideEl => {
if (rtl) {
slideEl.style.marginLeft = '';
} else {
slideEl.style.marginRight = '';
}
slideEl.style.marginBottom = '';
slideEl.style.marginTop = '';
});
// reset cssMode offsets
if (params.centeredSlides && params.cssMode) {
setCSSProperty(wrapperEl, '--swiper-centered-offset-before', '');
setCSSProperty(wrapperEl, '--swiper-centered-offset-after', '');
}
const gridEnabled = params.grid && params.grid.rows > 1 && swiper.grid;
if (gridEnabled) {
swiper.grid.initSlides(slides);
} else if (swiper.grid) {
swiper.grid.unsetSlides();
}
// Calc slides
let slideSize;
const shouldResetSlideSize = params.slidesPerView === 'auto' && params.breakpoints && Object.keys(params.breakpoints).filter(key => {
return typeof params.breakpoints[key].slidesPerView !== 'undefined';
}).length > 0;
for (let i = 0; i < slidesLength; i += 1) {
slideSize = 0;
let slide;
if (slides[i]) slide = slides[i];
if (gridEnabled) {
swiper.grid.updateSlide(i, slide, slides);
}
if (slides[i] && elementStyle(slide, 'display') === 'none') continue; // eslint-disable-line
if (params.slidesPerView === 'auto') {
if (shouldResetSlideSize) {
slides[i].style[swiper.getDirectionLabel('width')] = ``;
}
const slideStyles = getComputedStyle(slide);
const currentTransform = slide.style.transform;
const currentWebKitTransform = slide.style.webkitTransform;
if (currentTransform) {
slide.style.transform = 'none';
}
if (currentWebKitTransform) {
slide.style.webkitTransform = 'none';
}
if (params.roundLengths) {
slideSize = swiper.isHorizontal() ? elementOuterSize(slide, 'width', true) : elementOuterSize(slide, 'height', true);
} else {
// eslint-disable-next-line
const width = getDirectionPropertyValue(slideStyles, 'width');
const paddingLeft = getDirectionPropertyValue(slideStyles, 'padding-left');
const paddingRight = getDirectionPropertyValue(slideStyles, 'padding-right');
const marginLeft = getDirectionPropertyValue(slideStyles, 'margin-left');
const marginRight = getDirectionPropertyValue(slideStyles, 'margin-right');
const boxSizing = slideStyles.getPropertyValue('box-sizing');
if (boxSizing && boxSizing === 'border-box') {
slideSize = width + marginLeft + marginRight;
} else {
const {
clientWidth,
offsetWidth
} = slide;
slideSize = width + paddingLeft + paddingRight + marginLeft + marginRight + (offsetWidth - clientWidth);
}
}
if (currentTransform) {
slide.style.transform = currentTransform;
}
if (currentWebKitTransform) {
slide.style.webkitTransform = currentWebKitTransform;
}
if (params.roundLengths) slideSize = Math.floor(slideSize);
} else {
slideSize = (swiperSize - (params.slidesPerView - 1) * spaceBetween) / params.slidesPerView;
if (params.roundLengths) slideSize = Math.floor(slideSize);
if (slides[i]) {
slides[i].style[swiper.getDirectionLabel('width')] = `${slideSize}px`;
}
}
if (slides[i]) {
slides[i].swiperSlideSize = slideSize;
}
slidesSizesGrid.push(slideSize);
if (params.centeredSlides) {
slidePosition = slidePosition + slideSize / 2 + prevSlideSize / 2 + spaceBetween;
if (prevSlideSize === 0 && i !== 0) slidePosition = slidePosition - swiperSize / 2 - spaceBetween;
if (i === 0) slidePosition = slidePosition - swiperSize / 2 - spaceBetween;
if (Math.abs(slidePosition) < 1 / 1000) slidePosition = 0;
if (params.roundLengths) slidePosition = Math.floor(slidePosition);
if (index % params.slidesPerGroup === 0) snapGrid.push(slidePosition);
slidesGrid.push(slidePosition);
} else {
if (params.roundLengths) slidePosition = Math.floor(slidePosition);
if ((index - Math.min(swiper.params.slidesPerGroupSkip, index)) % swiper.params.slidesPerGroup === 0) snapGrid.push(slidePosition);
slidesGrid.push(slidePosition);
slidePosition = slidePosition + slideSize + spaceBetween;
}
swiper.virtualSize += slideSize + spaceBetween;
prevSlideSize = slideSize;
index += 1;
}
swiper.virtualSize = Math.max(swiper.virtualSize, swiperSize) + offsetAfter;
if (rtl && wrongRTL && (params.effect === 'slide' || params.effect === 'coverflow')) {
wrapperEl.style.width = `${swiper.virtualSize + spaceBetween}px`;
}
if (params.setWrapperSize) {
wrapperEl.style[swiper.getDirectionLabel('width')] = `${swiper.virtualSize + spaceBetween}px`;
}
if (gridEnabled) {
swiper.grid.updateWrapperSize(slideSize, snapGrid);
}
// Remove last grid elements depending on width
if (!params.centeredSlides) {
const newSlidesGrid = [];
for (let i = 0; i < snapGrid.length; i += 1) {
let slidesGridItem = snapGrid[i];
if (params.roundLengths) slidesGridItem = Math.floor(slidesGridItem);
if (snapGrid[i] <= swiper.virtualSize - swiperSize) {
newSlidesGrid.push(slidesGridItem);
}
}
snapGrid = newSlidesGrid;
if (Math.floor(swiper.virtualSize - swiperSize) - Math.floor(snapGrid[snapGrid.length - 1]) > 1) {
snapGrid.push(swiper.virtualSize - swiperSize);
}
}
if (isVirtual && params.loop) {
const size = slidesSizesGrid[0] + spaceBetween;
if (params.slidesPerGroup > 1) {
const groups = Math.ceil((swiper.virtual.slidesBefore + swiper.virtual.slidesAfter) / params.slidesPerGroup);
const groupSize = size * params.slidesPerGroup;
for (let i = 0; i < groups; i += 1) {
snapGrid.push(snapGrid[snapGrid.length - 1] + groupSize);
}
}
for (let i = 0; i < swiper.virtual.slidesBefore + swiper.virtual.slidesAfter; i += 1) {
if (params.slidesPerGroup === 1) {
snapGrid.push(snapGrid[snapGrid.length - 1] + size);
}
slidesGrid.push(slidesGrid[slidesGrid.length - 1] + size);
swiper.virtualSize += size;
}
}
if (snapGrid.length === 0) snapGrid = [0];
if (spaceBetween !== 0) {
const key = swiper.isHorizontal() && rtl ? 'marginLeft' : swiper.getDirectionLabel('marginRight');
slides.filter((_, slideIndex) => {
if (!params.cssMode || params.loop) return true;
if (slideIndex === slides.length - 1) {
return false;
}
return true;
}).forEach(slideEl => {
slideEl.style[key] = `${spaceBetween}px`;
});
}
if (params.centeredSlides && params.centeredSlidesBounds) {
let allSlidesSize = 0;
slidesSizesGrid.forEach(slideSizeValue => {
allSlidesSize += slideSizeValue + (spaceBetween || 0);
});
allSlidesSize -= spaceBetween;
const maxSnap = allSlidesSize - swiperSize;
snapGrid = snapGrid.map(snap => {
if (snap <= 0) return -offsetBefore;
if (snap > maxSnap) return maxSnap + offsetAfter;
return snap;
});
}
if (params.centerInsufficientSlides) {
let allSlidesSize = 0;
slidesSizesGrid.forEach(slideSizeValue => {
allSlidesSize += slideSizeValue + (spaceBetween || 0);
});
allSlidesSize -= spaceBetween;
const offsetSize = (params.slidesOffsetBefore || 0) + (params.slidesOffsetAfter || 0);
if (allSlidesSize + offsetSize < swiperSize) {
const allSlidesOffset = (swiperSize - allSlidesSize - offsetSize) / 2;
snapGrid.forEach((snap, snapIndex) => {
snapGrid[snapIndex] = snap - allSlidesOffset;
});
slidesGrid.forEach((snap, snapIndex) => {
slidesGrid[snapIndex] = snap + allSlidesOffset;
});
}
}
Object.assign(swiper, {
slides,
snapGrid,
slidesGrid,
slidesSizesGrid
});
if (params.centeredSlides && params.cssMode && !params.centeredSlidesBounds) {
setCSSProperty(wrapperEl, '--swiper-centered-offset-before', `${-snapGrid[0]}px`);
setCSSProperty(wrapperEl, '--swiper-centered-offset-after', `${swiper.size / 2 - slidesSizesGrid[slidesSizesGrid.length - 1] / 2}px`);
const addToSnapGrid = -swiper.snapGrid[0];
const addToSlidesGrid = -swiper.slidesGrid[0];
swiper.snapGrid = swiper.snapGrid.map(v => v + addToSnapGrid);
swiper.slidesGrid = swiper.slidesGrid.map(v => v + addToSlidesGrid);
}
if (slidesLength !== previousSlidesLength) {
swiper.emit('slidesLengthChange');
}
if (snapGrid.length !== previousSnapGridLength) {
if (swiper.params.watchOverflow) swiper.checkOverflow();
swiper.emit('snapGridLengthChange');
}
if (slidesGrid.length !== previousSlidesGridLength) {
swiper.emit('slidesGridLengthChange');
}
if (params.watchSlidesProgress) {
swiper.updateSlidesOffset();
}
swiper.emit('slidesUpdated');
if (!isVirtual && !params.cssMode && (params.effect === 'slide' || params.effect === 'fade')) {
const backFaceHiddenClass = `${params.containerModifierClass}backface-hidden`;
const hasClassBackfaceClassAdded = swiper.el.classList.contains(backFaceHiddenClass);
if (slidesLength <= params.maxBackfaceHiddenSlides) {
if (!hasClassBackfaceClassAdded) swiper.el.classList.add(backFaceHiddenClass);
} else if (hasClassBackfaceClassAdded) {
swiper.el.classList.remove(backFaceHiddenClass);
}
}
}
function updateAutoHeight(speed) {
const swiper = this;
const activeSlides = [];
const isVirtual = swiper.virtual && swiper.params.virtual.enabled;
let newHeight = 0;
let i;
if (typeof speed === 'number') {
swiper.setTransition(speed);
} else if (speed === true) {
swiper.setTransition(swiper.params.speed);
}
const getSlideByIndex = index => {
if (isVirtual) {
return swiper.slides[swiper.getSlideIndexByData(index)];
}
return swiper.slides[index];
};
// Find slides currently in view
if (swiper.params.slidesPerView !== 'auto' && swiper.params.slidesPerView > 1) {
if (swiper.params.centeredSlides) {
(swiper.visibleSlides || []).forEach(slide => {
activeSlides.push(slide);
});
} else {
for (i = 0; i < Math.ceil(swiper.params.slidesPerView); i += 1) {
const index = swiper.activeIndex + i;
if (index > swiper.slides.length && !isVirtual) break;
activeSlides.push(getSlideByIndex(index));
}
}
} else {
activeSlides.push(getSlideByIndex(swiper.activeIndex));
}
// Find new height from highest slide in view
for (i = 0; i < activeSlides.length; i += 1) {
if (typeof activeSlides[i] !== 'undefined') {
const height = activeSlides[i].offsetHeight;
newHeight = height > newHeight ? height : newHeight;
}
}
// Update Height
if (newHeight || newHeight === 0) swiper.wrapperEl.style.height = `${newHeight}px`;
}
function updateSlidesOffset() {
const swiper = this;
const slides = swiper.slides;
// eslint-disable-next-line
const minusOffset = swiper.isElement ? swiper.isHorizontal() ? swiper.wrapperEl.offsetLeft : swiper.wrapperEl.offsetTop : 0;
for (let i = 0; i < slides.length; i += 1) {
slides[i].swiperSlideOffset = (swiper.isHorizontal() ? slides[i].offsetLeft : slides[i].offsetTop) - minusOffset - swiper.cssOverflowAdjustment();
}
}
const toggleSlideClasses$1 = (slideEl, condition, className) => {
if (condition && !slideEl.classList.contains(className)) {
slideEl.classList.add(className);
} else if (!condition && slideEl.classList.contains(className)) {
slideEl.classList.remove(className);
}
};
function updateSlidesProgress(translate) {
if (translate === void 0) {
translate = this && this.translate || 0;
}
const swiper = this;
const params = swiper.params;
const {
slides,
rtlTranslate: rtl,
snapGrid
} = swiper;
if (slides.length === 0) return;
if (typeof slides[0].swiperSlideOffset === 'undefined') swiper.updateSlidesOffset();
let offsetCenter = -translate;
if (rtl) offsetCenter = translate;
swiper.visibleSlidesIndexes = [];
swiper.visibleSlides = [];
let spaceBetween = params.spaceBetween;
if (typeof spaceBetween === 'string' && spaceBetween.indexOf('%') >= 0) {
spaceBetween = parseFloat(spaceBetween.replace('%', '')) / 100 * swiper.size;
} else if (typeof spaceBetween === 'string') {
spaceBetween = parseFloat(spaceBetween);
}
for (let i = 0; i < slides.length; i += 1) {
const slide = slides[i];
let slideOffset = slide.swiperSlideOffset;
if (params.cssMode && params.centeredSlides) {
slideOffset -= slides[0].swiperSlideOffset;
}
const slideProgress = (offsetCenter + (params.centeredSlides ? swiper.minTranslate() : 0) - slideOffset) / (slide.swiperSlideSize + spaceBetween);
const originalSlideProgress = (offsetCenter - snapGrid[0] + (params.centeredSlides ? swiper.minTranslate() : 0) - slideOffset) / (slide.swiperSlideSize + spaceBetween);
const slideBefore = -(offsetCenter - slideOffset);
const slideAfter = slideBefore + swiper.slidesSizesGrid[i];
const isFullyVisible = slideBefore >= 0 && slideBefore <= swiper.size - swiper.slidesSizesGrid[i];
const isVisible = slideBefore >= 0 && slideBefore < swiper.size - 1 || slideAfter > 1 && slideAfter <= swiper.size || slideBefore <= 0 && slideAfter >= swiper.size;
if (isVisible) {
swiper.visibleSlides.push(slide);
swiper.visibleSlidesIndexes.push(i);
}
toggleSlideClasses$1(slide, isVisible, params.slideVisibleClass);
toggleSlideClasses$1(slide, isFullyVisible, params.slideFullyVisibleClass);
slide.progress = rtl ? -slideProgress : slideProgress;
slide.originalProgress = rtl ? -originalSlideProgress : originalSlideProgress;
}
}
function updateProgress(translate) {
const swiper = this;
if (typeof translate === 'undefined') {
const multiplier = swiper.rtlTranslate ? -1 : 1;
// eslint-disable-next-line
translate = swiper && swiper.translate && swiper.translate * multiplier || 0;
}
const params = swiper.params;
const translatesDiff = swiper.maxTranslate() - swiper.minTranslate();
let {
progress,
isBeginning,
isEnd,
progressLoop
} = swiper;
const wasBeginning = isBeginning;
const wasEnd = isEnd;
if (translatesDiff === 0) {
progress = 0;
isBeginning = true;
isEnd = true;
} else {
progress = (translate - swiper.minTranslate()) / translatesDiff;
const isBeginningRounded = Math.abs(translate - swiper.minTranslate()) < 1;
const isEndRounded = Math.abs(translate - swiper.maxTranslate()) < 1;
isBeginning = isBeginningRounded || progress <= 0;
isEnd = isEndRounded || progress >= 1;
if (isBeginningRounded) progress = 0;
if (isEndRounded) progress = 1;
}
if (params.loop) {
const firstSlideIndex = swiper.getSlideIndexByData(0);
const lastSlideIndex = swiper.getSlideIndexByData(swiper.slides.length - 1);
const firstSlideTranslate = swiper.slidesGrid[firstSlideIndex];
const lastSlideTranslate = swiper.slidesGrid[lastSlideIndex];
const translateMax = swiper.slidesGrid[swiper.slidesGrid.length - 1];
const translateAbs = Math.abs(translate);
if (translateAbs >= firstSlideTranslate) {
progressLoop = (translateAbs - firstSlideTranslate) / translateMax;
} else {
progressLoop = (translateAbs + translateMax - lastSlideTranslate) / translateMax;
}
if (progressLoop > 1) progressLoop -= 1;
}
Object.assign(swiper, {
progress,
progressLoop,
isBeginning,
isEnd
});
if (params.watchSlidesProgress || params.centeredSlides && params.autoHeight) swiper.updateSlidesProgress(translate);
if (isBeginning && !wasBeginning) {
swiper.emit('reachBeginning toEdge');
}
if (isEnd && !wasEnd) {
swiper.emit('reachEnd toEdge');
}
if (wasBeginning && !isBeginning || wasEnd && !isEnd) {
swiper.emit('fromEdge');
}
swiper.emit('progress', progress);
}
const toggleSlideClasses = (slideEl, condition, className) => {
if (condition && !slideEl.classList.contains(className)) {
slideEl.classList.add(className);
} else if (!condition && slideEl.classList.contains(className)) {
slideEl.classList.remove(className);
}
};
function updateSlidesClasses() {
const swiper = this;
const {
slides,
params,
slidesEl,
activeIndex
} = swiper;
const isVirtual = swiper.virtual && params.virtual.enabled;
const gridEnabled = swiper.grid && params.grid && params.grid.rows > 1;
const getFilteredSlide = selector => {
return elementChildren(slidesEl, `.${params.slideClass}${selector}, swiper-slide${selector}`)[0];
};
let activeSlide;
let prevSlide;
let nextSlide;
if (isVirtual) {
if (params.loop) {
let slideIndex = activeIndex - swiper.virtual.slidesBefore;
if (slideIndex < 0) slideIndex = swiper.virtual.slides.length + slideIndex;
if (slideIndex >= swiper.virtual.slides.length) slideIndex -= swiper.virtual.slides.length;
activeSlide = getFilteredSlide(`[data-swiper-slide-index="${slideIndex}"]`);
} else {
activeSlide = getFilteredSlide(`[data-swiper-slide-index="${activeIndex}"]`);
}
} else {
if (gridEnabled) {
activeSlide = slides.filter(slideEl => slideEl.column === activeIndex)[0];
nextSlide = slides.filter(slideEl => slideEl.column === activeIndex + 1)[0];
prevSlide = slides.filter(slideEl => slideEl.column === activeIndex - 1)[0];
} else {
activeSlide = slides[activeIndex];
}
}
if (activeSlide) {
if (!gridEnabled) {
// Next Slide
nextSlide = elementNextAll(activeSlide, `.${params.slideClass}, swiper-slide`)[0];
if (params.loop && !nextSlide) {
nextSlide = slides[0];
}
// Prev Slide
prevSlide = elementPrevAll(activeSlide, `.${params.slideClass}, swiper-slide`)[0];
if (params.loop && !prevSlide === 0) {
prevSlide = slides[slides.length - 1];
}
}
}
slides.forEach(slideEl => {
toggleSlideClasses(slideEl, slideEl === activeSlide, params.slideActiveClass);
toggleSlideClasses(slideEl, slideEl === nextSlide, params.slideNextClass);
toggleSlideClasses(slideEl, slideEl === prevSlide, params.slidePrevClass);
});
swiper.emitSlidesClasses();
}
const processLazyPreloader = (swiper, imageEl) => {
if (!swiper || swiper.destroyed || !swiper.params) return;
const slideSelector = () => swiper.isElement ? `swiper-slide` : `.${swiper.params.slideClass}`;
const slideEl = imageEl.closest(slideSelector());
if (slideEl) {
let lazyEl = slideEl.querySelector(`.${swiper.params.lazyPreloaderClass}`);
if (!lazyEl && swiper.isElement) {
if (slideEl.shadowRoot) {
lazyEl = slideEl.shadowRoot.querySelector(`.${swiper.params.lazyPreloaderClass}`);
} else {
// init later
requestAnimationFrame(() => {
if (slideEl.shadowRoot) {
lazyEl = slideEl.shadowRoot.querySelector(`.${swiper.params.lazyPreloaderClass}`);
if (lazyEl) lazyEl.remove();
}
});
}
}
if (lazyEl) lazyEl.remove();
}
};
const unlazy = (swiper, index) => {
if (!swiper.slides[index]) return;
const imageEl = swiper.slides[index].querySelector('[loading="lazy"]');
if (imageEl) imageEl.removeAttribute('loading');
};
const preload = swiper => {
if (!swiper || swiper.destroyed || !swiper.params) return;
let amount = swiper.params.lazyPreloadPrevNext;
const len = swiper.slides.length;
if (!len || !amount || amount < 0) return;
amount = Math.min(amount, len);
const slidesPerView = swiper.params.slidesPerView === 'auto' ? swiper.slidesPerViewDynamic() : Math.ceil(swiper.params.slidesPerView);
const activeIndex = swiper.activeIndex;
if (swiper.params.grid && swiper.params.grid.rows > 1) {
const activeColumn = activeIndex;
const preloadColumns = [activeColumn - amount];
preloadColumns.push(...Array.from({
length: amount
}).map((_, i) => {
return activeColumn + slidesPerView + i;
}));
swiper.slides.forEach((slideEl, i) => {
if (preloadColumns.includes(slideEl.column)) unlazy(swiper, i);
});
return;
}
const slideIndexLastInView = activeIndex + slidesPerView - 1;
if (swiper.params.rewind || swiper.params.loop) {
for (let i = activeIndex - amount; i <= slideIndexLastInView + amount; i += 1) {
const realIndex = (i % len + len) % len;
if (realIndex < activeIndex || realIndex > slideIndexLastInView) unlazy(swiper, realIndex);
}
} else {
for (let i = Math.max(activeIndex - amount, 0); i <= Math.min(slideIndexLastInView + amount, len - 1); i += 1) {
if (i !== activeIndex && (i > slideIndexLastInView || i < activeIndex)) {
unlazy(swiper, i);
}
}
}
};
function getActiveIndexByTranslate(swiper) {
const {
slidesGrid,
params
} = swiper;
const translate = swiper.rtlTranslate ? swiper.translate : -swiper.translate;
let activeIndex;
for (let i = 0; i < slidesGrid.length; i += 1) {
if (typeof slidesGrid[i + 1] !== 'undefined') {
if (translate >= slidesGrid[i] && translate < slidesGrid[i + 1] - (slidesGrid[i + 1] - slidesGrid[i]) / 2) {
activeIndex = i;
} else if (translate >= slidesGrid[i] && translate < slidesGrid[i + 1]) {
activeIndex = i + 1;
}
} else if (translate >= slidesGrid[i]) {
activeIndex = i;
}
}
// Normalize slideIndex
if (params.normalizeSlideIndex) {
if (activeIndex < 0 || typeof activeIndex === 'undefined') activeIndex = 0;
}
return activeIndex;
}
function updateActiveIndex(newActiveIndex) {
const swiper = this;
const translate = swiper.rtlTranslate ? swiper.translate : -swiper.translate;
const {
snapGrid,
params,
activeIndex: previousIndex,
realIndex: previousRealIndex,
snapIndex: previousSnapIndex
} = swiper;
let activeIndex = newActiveIndex;
let snapIndex;
const getVirtualRealIndex = aIndex => {
let realIndex = aIndex - swiper.virtual.slidesBefore;
if (realIndex < 0) {
realIndex = swiper.virtual.slides.length + realIndex;
}
if (realIndex >= swiper.virtual.slides.length) {
realIndex -= swiper.virtual.slides.length;
}
return realIndex;
};
if (typeof activeIndex === 'undefined') {
activeIndex = getActiveIndexByTranslate(swiper);
}
if (snapGrid.indexOf(translate) >= 0) {
snapIndex = snapGrid.indexOf(translate);
} else {
const skip = Math.min(params.slidesPerGroupSkip, activeIndex);
snapIndex = skip + Math.floor((activeI