[Flare] Fix isTouchEvent (facebook#15824)

hyyqcweb · Jun 4, 2019 · cfb79ee · cfb79ee
1 parent 6b5deee
commit cfb79ee
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/react-events/src/Press.js b/packages/react-events/src/Press.js
@@ -467,7 +467,8 @@ function calculateResponderRegion(
 }
 
 function isTouchEvent(nativeEvent: Event): boolean {
-  return Array.isArray((nativeEvent: any).changedTouches);
+  const changedTouches = ((nativeEvent: any): TouchEvent).changedTouches;
+  return changedTouches && typeof changedTouches.length === 'number';
 }
 
 function getTouchFromPressEvent(nativeEvent: TouchEvent): Touch {