From 55cabc8c6772f8b4c816c43753b1ff63101d52eb Mon Sep 17 00:00:00 2001
From: Cody Bennett <hi@codyb.co>
Date: Sat, 23 Sep 2023 19:28:32 -0500
Subject: [PATCH] fix(VRButton): SSR compat (#293)

---
 src/webxr/VRButton.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/webxr/VRButton.ts b/src/webxr/VRButton.ts
index d2936308..1ec7a521 100644
--- a/src/webxr/VRButton.ts
+++ b/src/webxr/VRButton.ts
@@ -137,7 +137,7 @@ class VRButton {
   static xrSessionIsGranted = false
 
   static registerSessionGrantedListener(): void {
-    if ('xr' in navigator) {
+    if (typeof navigator !== 'undefined' && 'xr' in navigator) {
       ;(navigator as Navigator).xr!.addEventListener('sessiongranted', () => {
         VRButton.xrSessionIsGranted = true
       })