From 7683211efd1ed77636af181af05d4b5cd8edafed Mon Sep 17 00:00:00 2001
From: Dan Abramov <dan.abramov@gmail.com>
Date: Tue, 24 Jan 2017 13:45:49 +0000
Subject: [PATCH] Fix Flow (#8857)

---
 src/shared/utils/getComponentName.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/shared/utils/getComponentName.js b/src/shared/utils/getComponentName.js
index a0c4609823..b6ee95b703 100644
--- a/src/shared/utils/getComponentName.js
+++ b/src/shared/utils/getComponentName.js
@@ -19,7 +19,7 @@ function getComponentName(instanceOrFiber : ReactInstance | Fiber) : string | nu
   if (typeof instanceOrFiber.getName === 'function') {
     // Stack reconciler
     const instance = ((instanceOrFiber : any) : ReactInstance);
-    return instance.getName() || 'Component';
+    return instance.getName() || 'Component' || null;
   }
   if (typeof instanceOrFiber.tag === 'number') {
     // Fiber reconciler
@@ -32,6 +32,7 @@ function getComponentName(instanceOrFiber : ReactInstance | Fiber) : string | nu
       return type.displayName || type.name || null;
     }
   }
+  return null;
 }
 
 module.exports = getComponentName;