Check for nevigator before accessing

visgl · May 3, 2019 · 32e22ea · 32e22ea
1 parent b14747c
commit 32e22ea
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/modules/addons/src/webvr/vr-display.js b/modules/addons/src/webvr/vr-display.js
@@ -5,7 +5,9 @@ import {createEnterVRButton} from './vr-button';
 
 export default class VRDisplay extends Display {
   static isSupported() {
-    return 'getVRDisplays' in navigator && 'VRFrameData' in window;
+    return (
+      typeof navigator !== 'undefined' && 'getVRDisplays' in navigator && 'VRFrameData' in window
+    );
   }
 
   constructor(props) {