fix: check for possibly undefined

nodejs · Mar 8, 2022 · f6a63d4 · f6a63d4
1 parent 3c00c7f
commit f6a63d4
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/lib/fetch/util.js b/lib/fetch/util.js
@@ -300,15 +300,15 @@ function determineRequestsReferrer (request) {
   // 3(a) If policy is "origin", then
   // 3(a)(I) If environment's global object is Window then
   if (request.referrer === 'client') {
-    if (environment.globalObject instanceof Window) {
+    if (environment?.globalObject instanceof Window) {
       const origin = environment.globalObject.self?.origin ?? environment.globalObject.location?.origin
 
       if (origin == null || origin === 'null') return 'no-referrer'
       referrerSource = new URL(environment.globalObject.location.href)
     } else {
       // 3(a)(II) If environment's global object is not Window,
       // Let referrerSource be environments creationURL
-      if (environment.globalObject.location == null) {
+      if (environment?.globalObject?.location == null) {
         return 'no-referrer'
       }
 
@@ -410,7 +410,7 @@ function isURLPotentiallyTrustworthy (url) {
 
   // If scheme is data, return true
   if (url.protocol === 'data:') return true
-  
+
   // If file, return true
   if (url.protocol === 'file:') return true