old_contents: export default (shower) => {
      const { container } = shower;
      const { fullModeClass, listModeClass } = shower.options;
  
      if (container.classList.contains(fullModeClass)) {
          shower.enterFullMode();
      } else {
          container.classList.add(listModeClass);
      }
  
      const getScale = () => {
          const maxRatio = Math.max(
              container.offsetWidth / window.innerWidth,
              container.offsetHeight / window.innerHeight,
          );
  
          return `scale(${1 / maxRatio})`;
      };
  
      const updateScale = () => {
          container.style.transform = shower.isFullMode ? getScale() : '';
      };
  
      const updateModeView = () => {
          if (shower.isFullMode) {
              container.classList.remove(listModeClass);
              container.classList.add(fullModeClass);
          } else {
              container.classList.remove(fullModeClass);
              container.classList.add(listModeClass);
          }
  
          updateScale();
  
          if (shower.isFullMode) return;
  
          const slide = shower.activeSlide;
          if (slide) {
              slide.element.scrollIntoView({ block: 'center' });
          }
      };
  
      shower.addEventListener('start', updateModeView);
      shower.addEventListener('modechange', updateModeView);
      shower.addEventListener('slidechange', () => {
          if (shower.isFullMode) return;
  
          const slide = shower.activeSlide;
          slide.element.scrollIntoView({ block: 'nearest' });
      });
  
      window.addEventListener('resize', updateScale);
      window.addEventListener('load', updateScale);
  };
  
new_contents: export default (shower) => {
      const { container } = shower;
      const { fullModeClass, listModeClass } = shower.options;
  
      if (container.classList.contains(fullModeClass)) {
          shower.enterFullMode();
      } else {
          container.classList.add(listModeClass);
      }
  
      const getScale = () => {
          const maxRatio = Math.max(
              container.offsetWidth / window.innerWidth,
              container.offsetHeight / window.innerHeight,
          );
  
          return `scale(${1 / maxRatio})`;
      };
  
      const updateScale = () => {
          container.style.transform = shower.isFullMode ? getScale() : '';
      };
  
      const updateModeView = () => {
          if (shower.isFullMode) {
              container.classList.remove(listModeClass);
              container.classList.add(fullModeClass);
          } else {
              container.classList.remove(fullModeClass);
              container.classList.add(listModeClass);
          }
  
          updateScale();
  
          if (shower.isFullMode) return;
  
          const slide = shower.activeSlide;
          if (slide) {
              slide.element.scrollIntoView({ block: 'center' });
          }
      };
  
      shower.addEventListener('start', updateModeView);
      shower.addEventListener('modechange', updateModeView);
      shower.addEventListener('slidechange', () => {
          if (shower.isFullMode) return;
  
          const slide = shower.activeSlide;
          slide.element.scrollIntoView({ block: 'nearest' });
      });
  
      window.addEventListener('resize', updateScale);
  };
  
subject: Remove now unnecessary "load" event listener