Merge pull request JakeChampion#289 from steveluscher/patch-1

Guard against `xhr.getAllResponseHeaders()` being `null`
StevenLudwig · Mar 30, 2016 · 08fc999 · 08fc999
2 parents cff0ebb + 78b3a3b
commit 08fc999
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fetch.js b/fetch.js
@@ -333,7 +333,7 @@
 
   function headers(xhr) {
     var head = new Headers()
-    var pairs = xhr.getAllResponseHeaders().trim().split('\n')
+    var pairs = (xhr.getAllResponseHeaders() || '').trim().split('\n')
     pairs.forEach(function(header) {
       var split = header.trim().split(':')
       var key = split.shift().trim()