From 5ba1e86672d1fcfe48660024312eaacc532bd82f Mon Sep 17 00:00:00 2001
From: jumpyapple <70656949+jumpyapple@users.noreply.github.com>
Date: Wed, 3 Mar 2021 02:46:47 -0500
Subject: [PATCH] fix: window is not available during gatsby build

Check if window is available, and set initial value for `state.scrollY`.
---
 src/components/HeaderBarebone/index.tsx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/components/HeaderBarebone/index.tsx b/src/components/HeaderBarebone/index.tsx
index edd4210..17bc6e4 100644
--- a/src/components/HeaderBarebone/index.tsx
+++ b/src/components/HeaderBarebone/index.tsx
@@ -39,7 +39,6 @@ const BoxedTitle: React.FC<IBoxedTitleProps> = (props) => {
   )
 }
 
-
 const debounce = (fn) => {
   let frame
   return (...params) => {
@@ -57,12 +56,15 @@ export class HeaderBarebone extends Component<IHeaderBareboneProps, HeaderBarebo
   constructor(props) {
     super(props)
     this.tick = this.tick.bind(this)
+    this.state = { scrollY: 0 }
   }
 
   tick() {
-    this.setState({
-      scrollY: window.scrollY
-    })
+    if (typeof window !== 'undefined') {
+      this.setState({
+        scrollY: window.scrollY
+      })
+    }
   }
 
   componentWillMount() {