优化

src/modules/first-leg/utils/productImage.ts

@@ -1,11 +1,14 @@
-const allowedTypes = new Set(['image/jpeg', 'image/png'])
-const allowedExtensions = new Set(['jpg', 'jpeg', 'png'])
+const allowedImageTypes: Readonly<Record<string, ReadonlySet<string>>> = {
+  'image/jpeg': new Set(['jpg', 'jpeg']),
+  'image/png': new Set(['png']),
+}
 
 export const PRODUCT_IMAGE_MAX_SIZE = 5 * 1024 * 1024
 
 export function validateProductImageFile(file: Pick<File, 'name' | 'size' | 'type'>) {
   const extension = file.name.split('.').pop()?.toLowerCase() ?? ''
-  if (!allowedTypes.has(file.type.toLowerCase()) || !allowedExtensions.has(extension)) {
+  const allowedExtensions = allowedImageTypes[file.type.toLowerCase()]
+  if (!allowedExtensions?.has(extension)) {
     return '产品图片仅支持 JPG、JPEG、PNG 格式'
   }
   if (file.size <= 0) return '产品图片内容为空'