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Current File : /var/www/html/node_modules/swiper/vue/loop.js

import { h } from 'vue';
import Swiper from 'swiper';

function calcLoopedSlides(slides, swiperParams) {
  let slidesPerViewParams = swiperParams.slidesPerView;

  if (swiperParams.breakpoints) {
    const breakpoint = Swiper.prototype.getBreakpoint(swiperParams.breakpoints);
    const breakpointOnlyParams = breakpoint in swiperParams.breakpoints ? swiperParams.breakpoints[breakpoint] : undefined;

    if (breakpointOnlyParams && breakpointOnlyParams.slidesPerView) {
      slidesPerViewParams = breakpointOnlyParams.slidesPerView;
    }
  }

  let loopedSlides = Math.ceil(parseFloat(swiperParams.loopedSlides || slidesPerViewParams, 10));
  loopedSlides += swiperParams.loopAdditionalSlides;

  if (loopedSlides > slides.length) {
    loopedSlides = slides.length;
  }

  return loopedSlides;
}

function renderLoop(swiperRef, slides, swiperParams) {
  const modifiedSlides = slides.map((child, index) => {
    if (!child.props) child.props = {};
    child.props.swiperRef = swiperRef;
    child.props['data-swiper-slide-index'] = index;
    return child;
  });

  function duplicateSlide(child, index, position) {
    if (!child.props) child.props = {};
    return h(child.type, { ...child.props,
      key: `${child.key}-duplicate-${index}-${position}`,
      class: `${child.props.className || ''} ${swiperParams.slideDuplicateClass} ${child.props.class || ''}`
    }, child.children);
  }

  if (swiperParams.loopFillGroupWithBlank) {
    const blankSlidesNum = swiperParams.slidesPerGroup - modifiedSlides.length % swiperParams.slidesPerGroup;

    if (blankSlidesNum !== swiperParams.slidesPerGroup) {
      for (let i = 0; i < blankSlidesNum; i += 1) {
        const blankSlide = h('div', {
          class: `${swiperParams.slideClass} ${swiperParams.slideBlankClass}`
        });
        modifiedSlides.push(blankSlide);
      }
    }
  }

  if (swiperParams.slidesPerView === 'auto' && !swiperParams.loopedSlides) {
    swiperParams.loopedSlides = modifiedSlides.length;
  }

  const loopedSlides = calcLoopedSlides(modifiedSlides, swiperParams);
  const prependSlides = [];
  const appendSlides = [];
  modifiedSlides.forEach((child, index) => {
    if (index < loopedSlides) {
      appendSlides.push(duplicateSlide(child, index, 'prepend'));
    }

    if (index < modifiedSlides.length && index >= modifiedSlides.length - loopedSlides) {
      prependSlides.push(duplicateSlide(child, index, 'append'));
    }
  });

  if (swiperRef.value) {
    swiperRef.value.loopedSlides = loopedSlides;
  }

  return [...prependSlides, ...modifiedSlides, ...appendSlides];
}

export { calcLoopedSlides, renderLoop };

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