Merge pull request #135 from christemple/window-exists-null-fix

Better check for the existence of window
chaijs · Feb 1, 2018 · a40d839 · a40d839
2 parents 992ebe7 + 9f492ab
commit a40d839
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/index.js b/index.js
@@ -101,7 +101,7 @@ export default function typeDetect(obj) {
 
   // Not caching existence of `window` and related properties due to potential
   // for `window` to be unset before tests in quasi-browser environments.
-  if (typeof window === 'object') {
+  if (typeof window === 'object' && window !== null) {
     /* ! Spec Conformance
      * (https://html.spec.whatwg.org/multipage/browsers.html#location)
      * WhatWG HTML$7.7.3 - The `Location` interface