From 068e6e837d477bc0ffd2f15424fefd871075cd18 Mon Sep 17 00:00:00 2001
From: Artur Paikin <artur@arturpaikin.com>
Date: Sun, 15 Jul 2018 15:51:53 -0400
Subject: [PATCH] check for typeof document !== 'undefined' instead of window
 to fix React Native

---
 packages/@uppy/core/src/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/@uppy/core/src/index.js b/packages/@uppy/core/src/index.js
index 6d229c79c..e37d93340 100644
--- a/packages/@uppy/core/src/index.js
+++ b/packages/@uppy/core/src/index.js
@@ -785,7 +785,7 @@ class Uppy {
     })
 
     // show informer if offline
-    if (typeof window !== 'undefined') {
+    if (typeof document !== 'undefined') {
       window.addEventListener('online', () => this.updateOnlineStatus())
       window.addEventListener('offline', () => this.updateOnlineStatus())
       setTimeout(() => this.updateOnlineStatus(), 3000)