ant-design/site/theme/template/Home/util.tsx

/* eslint-disable import/prefer-default-export */

export function preLoad(list: string[]) {
  if (typeof window !== 'undefined') {
    // 图处预加载；
    const div = document.createElement('div');
    div.style.display = 'none';
    document.body.appendChild(div);
    list.forEach(src => {
      const img = new Image();
      img.src = src;
      div.appendChild(img);
    });
  }
}