From 5e8edd29d42b40baef063787d04524dcc0b736ba Mon Sep 17 00:00:00 2001
From: Jean-Philippe Sirois <jp@veksen.net>
Date: Tue, 12 May 2020 00:14:19 -0400
Subject: [PATCH] build: resolve build related to global window

---
 src/components/Toc/index.tsx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/components/Toc/index.tsx b/src/components/Toc/index.tsx
index 48c1016..06350f5 100644
--- a/src/components/Toc/index.tsx
+++ b/src/components/Toc/index.tsx
@@ -23,7 +23,14 @@ function extractTitle(title: string): ITitle {
 }
 
 export const Toc: FC<ITocProps> = ({ header, items }) => {
-  const { pathname } = window.location
+  const windowGlobal = typeof window !== "undefined" && window
+
+  // window is not available on build
+  if (!windowGlobal) {
+    return null
+  }
+
+  const { pathname } = windowGlobal.location
   return (
     <SC.TocWrapper>
       {header}