纸板小程序：订单/送货单：列表与详情功能

miniprogram/miniprogram_npm/tdesign-miniprogram/image-viewer/image-viewer.wxs

@@ -0,0 +1,7 @@
+function shouldLoadImage(index, currentIndex, loadedIndexes) {
+  return Math.abs(index - currentIndex) <= 1 || (loadedIndexes && loadedIndexes.indexOf(index) !== -1);
+}
+
+module.exports = {
+  shouldLoadImage: shouldLoadImage,
+};