From a9a56d272f30bc4276fe8d958a5c514eab2fd928 Mon Sep 17 00:00:00 2001
From: Misko Hevery <misko@hevery.com>
Date: Wed, 14 Sep 2016 10:55:24 -0700
Subject: [PATCH] fix: use fetch(about://blank) to prevent exception on MS Edge

Closes #436
Closes #439
---
 lib/zone.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/zone.ts b/lib/zone.ts
index f37d3903e..69393ab65 100644
--- a/lib/zone.ts
+++ b/lib/zone.ts
@@ -1145,7 +1145,7 @@ const Zone: ZoneType = (function(global: any) {
   if (NativePromise) {
     patchThen(NativePromise);
     if (typeof global['fetch'] !== 'undefined') {
-      const fetchPromise = global['fetch']();
+      const fetchPromise = global['fetch']('about://blank');
       // ignore output to prevent error;
       fetchPromise.then(() => null, () => null);
       if (fetchPromise.constructor != NativePromise) {