fix: handle environment with no navigator. Fixes #97

frontend-collective · Jan 14, 2018 · 7f36b72 · 7f36b72
1 parent d8c47fe
commit 7f36b72
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/util.js b/src/util.js
@@ -4,7 +4,10 @@
  * @return {?number} ieVersion - IE version as an integer, or undefined if not IE
  */
 export function getIEVersion() {
-  if (typeof window === 'undefined') {
+  if (
+    typeof window === 'undefined' ||
+    typeof window.navigator === 'undefined'
+  ) {
     return undefined;
   }