From cfb79ee5b3d77f8635878194e282096dc9e85ceb Mon Sep 17 00:00:00 2001
From: Dominic Gannaway <trueadm@users.noreply.github.com>
Date: Tue, 4 Jun 2019 23:58:11 +0100
Subject: [PATCH] [Flare] Fix isTouchEvent (#15824)

---
 packages/react-events/src/Press.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/react-events/src/Press.js b/packages/react-events/src/Press.js
index 189956d9d0..51156a8903 100644
--- 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 {