fix: 参数异常时抛出异常,防止黑屏 (#9925)

Co-authored-by: tony chen <[email protected]>
NervJS · Jul 30, 2021 · 7867e68 · 7867e68
1 parent 2185e15
commit 7867e68
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/packages/taro-rn/src/lib/previewImage/index.tsx b/packages/taro-rn/src/lib/previewImage/index.tsx
@@ -25,6 +25,9 @@ export function previewImage(obj: Taro.previewImage.Option): void {
     complete
   }: any = obj || {}
   const index = urls.indexOf(current)
+  if (index === -1) {
+    throw new Error('"current" or "urls" is invalid')
+  }
   let sibling
   function onSwipeDown() {
     sibling?.destroy()