web_qp_phone_ui/public/static/plugins/js/swiper/shared/calc-looped-slides.js

import Swiper from 'swiper';
export const 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 && swiperParams.loopedSlidesLimit) {
    loopedSlides = slides.length;
  }

  return loopedSlides;
};