Check existence of navigator before using it (#1475)

openpgpjs · Feb 11, 2022 · f93f59e · f93f59e
1 parent f54b133
commit f93f59e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/util.js b/src/util.js
@@ -430,7 +430,7 @@ const util = {
       return os.cpus().length;
     }
 
-    return navigator.hardwareConcurrency || 1;
+    return (typeof navigator !== 'undefined' && navigator.hardwareConcurrency) || 1;
   },
 
   isEmailAddress: function(data) {