update

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "react-native-image-zoom-fixed",
-	"version": "2.3.0",
+	"version": "2.3.1",
 	"description": "react native image pan zoom",
 	"repository": "https://github.com/ktjd123/react-native-image-zoom",
 	"main": "built/index.js",
@@ -31,8 +31,8 @@
 		"eslint-plugin-react": "^7.20.0",
 		"eslint-plugin-react-native": "^3.8.1",
 		"prettier": "^2.0.5",
-		"react": "*",
-		"react-native": "*",
+		"react": "^16.13.1",
+		"react-native": "^0.62.2",
 		"typescript": "^3.9.2"
 	}
 }

src/image-zoom/image-zoom.component.tsx

@@ -42,10 +42,10 @@ export default class ImageViewer extends React.Component<ImageZoomProps, ImageZo
   private centerDiffY = 0;
 
   // 触发单击的 timeout
-  private singleClickTimeout: number | undefined;
+  private singleClickTimeout: ReturnType<typeof setTimeout> | undefined;
 
   // 计算长按的 timeout
-  private longPressTimeout: number | undefined;
+  private longPressTimeout: ReturnType<typeof setTimeout> | undefined;
 
   // 上一次点击的时间
   private lastClickTime = 0;
@@ -212,7 +212,7 @@ export default class ImageViewer extends React.Component<ImageZoomProps, ImageZo
 
         if (Math.abs(this.horizontalWholeCounter) > 5 || Math.abs(this.verticalWholeCounter) > 5) {
           // 如果位移超出手指范围，取消长按监听
-          clearTimeout(this.longPressTimeout);
+          if (this.longPressTimeout) clearTimeout(this.longPressTimeout);
         }
 
         if (this.props.panToMove) {