text: import { getWindow } from 'ssr-window';
  import { extend } from '../../../utils/utils';
  export default function updateSlides() {
    var swiper = this;
    var window = getWindow();
    var params = swiper.params;
    var $wrapperEl = swiper.$wrapperEl,
        swiperSize = swiper.size,
        rtl = swiper.rtlTranslate,
        wrongRTL = swiper.wrongRTL;
    var isVirtual = swiper.virtual && params.virtual.enabled;
    var previousSlidesLength = isVirtual ? swiper.virtual.slides.length : swiper.slides.length;
    var slides = $wrapperEl.children("." + swiper.params.slideClass);
    var slidesLength = isVirtual ? swiper.virtual.slides.length : slides.length;
    var snapGrid = [];
    var slidesGrid = [];
    var slidesSizesGrid = [];
  
    function slidesForMargin(slideEl, slideIndex) {
      if (!params.cssMode) return true;
  
      if (slideIndex === slides.length - 1) {
        return false;
      }
  
      return true;
    }
  
    var offsetBefore = params.slidesOffsetBefore;
  
    if (typeof offsetBefore === 'function') {
      offsetBefore = params.slidesOffsetBefore.call(swiper);
    }
  
    var offsetAfter = params.slidesOffsetAfter;
  
    if (typeof offsetAfter === 'function') {
      offsetAfter = params.slidesOffsetAfter.call(swiper);
    }
  
    var previousSnapGridLength = swiper.snapGrid.length;
    var previousSlidesGridLength = swiper.slidesGrid.length;
    var spaceBetween = params.spaceBetween;
    var slidePosition = -offsetBefore;
    var prevSlideSize = 0;
    var index = 0;
  
    if (typeof swiperSize === 'undefined') {
      return;
    }
  
    if (typeof spaceBetween === 'string' && spaceBetween.indexOf('%') >= 0) {
      spaceBetween = parseFloat(spaceBetween.replace('%', '')) / 100 * swiperSize;
    }
  
    swiper.virtualSize = -spaceBetween; // reset margins
  
    if (rtl) slides.css({
      marginLeft: '',
      marginTop: ''
    });else slides.css({
      marginRight: '',
      marginBottom: ''
    });
    var slidesNumberEvenToRows;
  
    if (params.slidesPerColumn > 1) {
      if (Math.floor(slidesLength / params.slidesPerColumn) === slidesLength / swiper.params.slidesPerColumn) {
        slidesNumberEvenToRows = slidesLength;
      } else {
        slidesNumberEvenToRows = Math.ceil(slidesLength / params.slidesPerColumn) * params.slidesPerColumn;
      }
  
      if (params.slidesPerView !== 'auto' && params.slidesPerColumnFill === 'row') {
        slidesNumberEvenToRows = Math.max(slidesNumberEvenToRows, params.slidesPerView * params.slidesPerColumn);
      }
    } // Calc slides
  
  
    var slideSize;
    var slidesPerColumn = params.slidesPerColumn;
    var slidesPerRow = slidesNumberEvenToRows / slidesPerColumn;
    var numFullColumns = Math.floor(slidesLength / params.slidesPerColumn);
  
    for (var i = 0; i < slidesLength; i += 1) {
      slideSize = 0;
      var slide = slides.eq(i);
  
      if (params.slidesPerColumn > 1) {
        // Set slides order
        var newSlideOrderIndex = void 0;
        var column = void 0;
        var row = void 0;
  
        if (params.slidesPerColumnFill === 'row' && params.slidesPerGroup > 1) {
          var groupIndex = Math.floor(i / (params.slidesPerGroup * params.slidesPerColumn));
          var slideIndexInGroup = i - params.slidesPerColumn * params.slidesPerGroup * groupIndex;
          var columnsInGroup = groupIndex === 0 ? params.slidesPerGroup : Math.min(Math.ceil((slidesLength - groupIndex * slidesPerColumn * params.slidesPerGroup) / slidesPerColumn), params.slidesPerGroup);
          row = Math.floor(slideIndexInGroup / columnsInGroup);
          column = slideIndexInGroup - row * columnsInGroup + groupIndex * params.slidesPerGroup;
          newSlideOrderIndex = column + row * slidesNumberEvenToRows / slidesPerColumn;
          slide.css({
            '-webkit-box-ordinal-group': newSlideOrderIndex,
            '-moz-box-ordinal-group': newSlideOrderIndex,
            '-ms-flex-order': newSlideOrderIndex,
            '-webkit-order': newSlideOrderIndex,
            order: newSlideOrderIndex
          });
        } else if (params.slidesPerColumnFill === 'column') {
          column = Math.floor(i / slidesPerColumn);
          row = i - column * slidesPerColumn;
  
          if (column > numFullColumns || column === numFullColumns && row === slidesPerColumn - 1) {
            row += 1;
  
            if (row >= slidesPerColumn) {
              row = 0;
              column += 1;
            }
          }
        } else {
          row = Math.floor(i / slidesPerRow);
          column = i - row * slidesPerRow;
        }
  
        slide.css("margin-" + (swiper.isHorizontal() ? 'top' : 'left'), row !== 0 && params.spaceBetween && params.spaceBetween + "px");
      }
  
      if (slide.css('display') === 'none') continue; // eslint-disable-line
  
      if (params.slidesPerView === 'auto') {
        var slideStyles = window.getComputedStyle(slide[0], null);
        var currentTransform = slide[0].style.transform;
        var currentWebKitTransform = slide[0].style.webkitTransform;
  
        if (currentTransform) {
          slide[0].style.transform = 'none';
        }
  
        if (currentWebKitTransform) {
          slide[0].style.webkitTransform = 'none';
        }
  
        if (params.roundLengths) {
          slideSize = swiper.isHorizontal() ? slide.outerWidth(true) : slide.outerHeight(true);
        } else {
          // eslint-disable-next-line
          if (swiper.isHorizontal()) {
            var width = parseFloat(slideStyles.getPropertyValue('width') || 0);
            var paddingLeft = parseFloat(slideStyles.getPropertyValue('padding-left') || 0);
            var paddingRight = parseFloat(slideStyles.getPropertyValue('padding-right') || 0);
            var marginLeft = parseFloat(slideStyles.getPropertyValue('margin-left') || 0);
            var marginRight = parseFloat(slideStyles.getPropertyValue('margin-right') || 0);
            var boxSizing = slideStyles.getPropertyValue('box-sizing');
  
            if (boxSizing && boxSizing === 'border-box') {
              slideSize = width + marginLeft + marginRight;
            } else {
              var _slide$ = slide[0],
                  clientWidth = _slide$.clientWidth,
                  offsetWidth = _slide$.offsetWidth;
              slideSize = width + paddingLeft + paddingRight + marginLeft + marginRight + (offsetWidth - clientWidth);
            }
          } else {
            var height = parseFloat(slideStyles.getPropertyValue('height') || 0);
            var paddingTop = parseFloat(slideStyles.getPropertyValue('padding-top') || 0);
            var paddingBottom = parseFloat(slideStyles.getPropertyValue('padding-bottom') || 0);
            var marginTop = parseFloat(slideStyles.getPropertyValue('margin-top') || 0);
            var marginBottom = parseFloat(slideStyles.getPropertyValue('margin-bottom') || 0);
  
            var _boxSizing = slideStyles.getPropertyValue('box-sizing');
  
            if (_boxSizing && _boxSizing === 'border-box') {
              slideSize = height + marginTop + marginBottom;
            } else {
              var _slide$2 = slide[0],
                  clientHeight = _slide$2.clientHeight,
                  offsetHeight = _slide$2.offsetHeight;
              slideSize = height + paddingTop + paddingBottom + marginTop + marginBottom + (offsetHeight - clientHeight);
            }
          }
        }
  
        if (currentTransform) {
          slide[0].style.transform = currentTransform;
        }
  
        if (currentWebKitTransform) {
          slide[0].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]) {
          if (swiper.isHorizontal()) {
            slides[i].style.width = slideSize + "px";
          } else {
            slides[i].style.height = 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;
    var newSlidesGrid;
  
    if (rtl && wrongRTL && (params.effect === 'slide' || params.effect === 'coverflow')) {
      $wrapperEl.css({
        width: swiper.virtualSize + params.spaceBetween + "px"
      });
    }
  
    if (params.setWrapperSize) {
      if (swiper.isHorizontal()) $wrapperEl.css({
        width: swiper.virtualSize + params.spaceBetween + "px"
      });else $wrapperEl.css({
        height: swiper.virtualSize + params.spaceBetween + "px"
      });
    }
  
    if (params.slidesPerColumn > 1) {
      swiper.virtualSize = (slideSize + params.spaceBetween) * slidesNumberEvenToRows;
      swiper.virtualSize = Math.ceil(swiper.virtualSize / params.slidesPerColumn) - params.spaceBetween;
      if (swiper.isHorizontal()) $wrapperEl.css({
        width: swiper.virtualSize + params.spaceBetween + "px"
      });else $wrapperEl.css({
        height: swiper.virtualSize + params.spaceBetween + "px"
      });
  
      if (params.centeredSlides) {
        newSlidesGrid = [];
  
        for (var _i = 0; _i < snapGrid.length; _i += 1) {
          var slidesGridItem = snapGrid[_i];
          if (params.roundLengths) slidesGridItem = Math.floor(slidesGridItem);
          if (snapGrid[_i] < swiper.virtualSize + snapGrid[0]) newSlidesGrid.push(slidesGridItem);
        }
  
        snapGrid = newSlidesGrid;
      }
    } // Remove last grid elements depending on width
  
  
    if (!params.centeredSlides) {
      newSlidesGrid = [];
  
      for (var _i2 = 0; _i2 < snapGrid.length; _i2 += 1) {
        var _slidesGridItem = snapGrid[_i2];
        if (params.roundLengths) _slidesGridItem = Math.floor(_slidesGridItem);
  
        if (snapGrid[_i2] <= 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 (snapGrid.length === 0) snapGrid = [0];
  
    if (params.spaceBetween !== 0) {
      if (swiper.isHorizontal()) {
        if (rtl) slides.filter(slidesForMargin).css({
          marginLeft: spaceBetween + "px"
        });else slides.filter(slidesForMargin).css({
          marginRight: spaceBetween + "px"
        });
      } else slides.filter(slidesForMargin).css({
        marginBottom: spaceBetween + "px"
      });
    }
  
    if (params.centeredSlides && params.centeredSlidesBounds) {
      var allSlidesSize = 0;
      slidesSizesGrid.forEach(function (slideSizeValue) {
        allSlidesSize += slideSizeValue + (params.spaceBetween ? params.spaceBetween : 0);
      });
      allSlidesSize -= params.spaceBetween;
      var maxSnap = allSlidesSize - swiperSize;
      snapGrid = snapGrid.map(function (snap) {
        if (snap < 0) return -offsetBefore;
        if (snap > maxSnap) return maxSnap + offsetAfter;
        return snap;
      });
    }
  
    if (params.centerInsufficientSlides) {
      var _allSlidesSize = 0;
      slidesSizesGrid.forEach(function (slideSizeValue) {
        _allSlidesSize += slideSizeValue + (params.spaceBetween ? params.spaceBetween : 0);
      });
      _allSlidesSize -= params.spaceBetween;
  
      if (_allSlidesSize < swiperSize) {
        var allSlidesOffset = (swiperSize - _allSlidesSize) / 2;
        snapGrid.forEach(function (snap, snapIndex) {
          snapGrid[snapIndex] = snap - allSlidesOffset;
        });
        slidesGrid.forEach(function (snap, snapIndex) {
          slidesGrid[snapIndex] = snap + allSlidesOffset;
        });
      }
    }
  
    extend(swiper, {
      slides: slides,
      snapGrid: snapGrid,
      slidesGrid: slidesGrid,
      slidesSizesGrid: slidesSizesGrid
    });
  
    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 || params.watchSlidesVisibility) {
      swiper.updateSlidesOffset();
    }
  }