import { document } from 'ssr-window';
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import $ from '../../../utils/dom';
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export default function () {
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const swiper = this;
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const { params, $wrapperEl } = swiper;
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// Remove duplicated slides
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$wrapperEl.children(`.${params.slideClass}.${params.slideDuplicateClass}`).remove();
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let slides = $wrapperEl.children(`.${params.slideClass}`);
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if (params.loopFillGroupWithBlank) {
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const blankSlidesNum = params.slidesPerGroup - (slides.length % params.slidesPerGroup);
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if (blankSlidesNum !== params.slidesPerGroup) {
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for (let i = 0; i < blankSlidesNum; i += 1) {
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const blankNode = $(document.createElement('div')).addClass(`${params.slideClass} ${params.slideBlankClass}`);
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$wrapperEl.append(blankNode);
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}
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slides = $wrapperEl.children(`.${params.slideClass}`);
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}
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}
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if (params.slidesPerView === 'auto' && !params.loopedSlides) params.loopedSlides = slides.length;
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swiper.loopedSlides = Math.ceil(parseFloat(params.loopedSlides || params.slidesPerView, 10));
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swiper.loopedSlides += params.loopAdditionalSlides;
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if (swiper.loopedSlides > slides.length) {
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swiper.loopedSlides = slides.length;
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}
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const prependSlides = [];
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const appendSlides = [];
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slides.each((index, el) => {
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const slide = $(el);
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if (index < swiper.loopedSlides) appendSlides.push(el);
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if (index < slides.length && index >= slides.length - swiper.loopedSlides) prependSlides.push(el);
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slide.attr('data-swiper-slide-index', index);
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});
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for (let i = 0; i < appendSlides.length; i += 1) {
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$wrapperEl.append($(appendSlides[i].cloneNode(true)).addClass(params.slideDuplicateClass));
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}
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for (let i = prependSlides.length - 1; i >= 0; i -= 1) {
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$wrapperEl.prepend($(prependSlides[i].cloneNode(true)).addClass(params.slideDuplicateClass));
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}
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}
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