From 3763e9717f9f2815c3c967442be4f6295cb5093b Mon Sep 17 00:00:00 2001
From: Wei Zhu <yesmeck@gmail.com>
Date: Thu, 21 Nov 2019 02:28:43 +0800
Subject: [PATCH] Check for window before using it

---
 src/use-swr.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/use-swr.ts b/src/use-swr.ts
index ff9d1e37e..55f6cd278 100644
--- a/src/use-swr.ts
+++ b/src/use-swr.ts
@@ -353,6 +353,7 @@ function useSWR<Data = any, Error = any>(
     // trigger a revalidation
     if (
       typeof latestKeyedData !== 'undefined' &&
+      !IS_SERVER &&
       window['requestIdleCallback']
     ) {
       // delay revalidate if there's cache