Check existence of navigator before using it

openpgpjs · Feb 10, 2022 · dc583bd · dc583bd
1 parent f54b133
commit dc583bd
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/util.js b/src/util.js
@@ -430,7 +430,8 @@ const util = {
       return os.cpus().length;
     }
 
-    return navigator.hardwareConcurrency || 1;
+    // eslint-disable-next-line no-mixed-operators
+    return typeof navigator !== 'undefined' && navigator.hardwareConcurrency || 1;
   },
 
   isEmailAddress: function(data) {