wechat-miniprogram-shop-template/miniprogram_npm/tdesign-miniprogram/image-viewer/image-viewer.wxs

function shouldLoadImage(index, currentIndex, loadedIndexes) {
  return Math.abs(index - currentIndex) <= 1 || (loadedIndexes && loadedIndexes.indexOf(index) !== -1);
}

module.exports = {
  shouldLoadImage: shouldLoadImage,
};