1 | import React from 'react';
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2 | import { calcLoopedSlides } from '../shared/calc-looped-slides.js';
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3 |
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4 | function renderLoop(swiper, slides, swiperParams) {
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5 | const modifiedSlides = slides.map((child, index) => {
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6 | return React.cloneElement(child, {
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7 | swiper,
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8 | 'data-swiper-slide-index': index
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9 | });
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10 | });
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11 |
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12 | function duplicateSlide(child, index, position) {
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13 | return React.cloneElement(child, {
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14 | key: `${child.key}-duplicate-${index}-${position}`,
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15 | className: `${child.props.className || ''} ${swiperParams.slideDuplicateClass}`
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16 | });
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17 | }
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18 |
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19 | if (swiperParams.loopFillGroupWithBlank) {
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20 | const blankSlidesNum = swiperParams.slidesPerGroup - modifiedSlides.length % swiperParams.slidesPerGroup;
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21 |
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22 | if (blankSlidesNum !== swiperParams.slidesPerGroup) {
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23 | for (let i = 0; i < blankSlidesNum; i += 1) {
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24 | const blankSlide = React.createElement("div", {
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25 | className: `${swiperParams.slideClass} ${swiperParams.slideBlankClass}`
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26 | });
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27 | modifiedSlides.push(blankSlide);
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28 | }
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29 | }
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30 | }
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31 |
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32 | if (swiperParams.slidesPerView === 'auto' && !swiperParams.loopedSlides) {
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33 | swiperParams.loopedSlides = modifiedSlides.length;
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34 | }
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35 |
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36 | const loopedSlides = calcLoopedSlides(modifiedSlides, swiperParams);
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37 | const prependSlides = [];
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38 | const appendSlides = [];
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39 |
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40 | for (let i = 0; i < loopedSlides; i += 1) {
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41 | const index = i - Math.floor(i / modifiedSlides.length) * modifiedSlides.length;
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42 | appendSlides.push(duplicateSlide(modifiedSlides[index], i, 'append'));
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43 | prependSlides.unshift(duplicateSlide(modifiedSlides[modifiedSlides.length - index - 1], i, 'prepend'));
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44 | }
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45 |
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46 | if (swiper) {
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47 | swiper.loopedSlides = loopedSlides;
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48 | }
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49 |
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50 | return [...prependSlides, ...modifiedSlides, ...appendSlides];
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51 | }
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52 |
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53 | export { calcLoopedSlides, renderLoop }; |
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