From e4866ad32c5b1ccd5f2bb60ad69945e583f1b765 Mon Sep 17 00:00:00 2001
From: Assim EL HAMMOUTI <hello@assim.me>
Date: Tue, 24 Sep 2019 21:24:36 +0200
Subject: [PATCH] fix: check `window` is defined before using it (#962)

---
 packages/graphiql/src/utility/StorageAPI.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/graphiql/src/utility/StorageAPI.js b/packages/graphiql/src/utility/StorageAPI.js
index 86ef9c0180f..02f77cb708e 100644
--- a/packages/graphiql/src/utility/StorageAPI.js
+++ b/packages/graphiql/src/utility/StorageAPI.js
@@ -7,7 +7,8 @@
 
 export default class StorageAPI {
   constructor(storage) {
-    this.storage = storage || window.localStorage;
+    this.storage =
+      storage || (typeof window !== 'undefined' ? window.localStorage : null);
   }
 
   get(name) {