From f3a005f384a51bca14c2b655267af07d0c37833b Mon Sep 17 00:00:00 2001
From: Ben Newman <ben@meteor.com>
Date: Tue, 19 Jan 2016 15:03:16 -0500
Subject: [PATCH] Don't fail when there is no application source batch.

---
 tools/isobuild/compiler-plugin.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/isobuild/compiler-plugin.js b/tools/isobuild/compiler-plugin.js
index b99c3935af..b54163deb3 100644
--- a/tools/isobuild/compiler-plugin.js
+++ b/tools/isobuild/compiler-plugin.js
@@ -675,7 +675,10 @@ export class PackageSourceBatch {
     }
 
     pkgSourceBatches.forEach(scan);
-    scan(appSourceBatch);
+
+    if (appSourceBatch) {
+      scan(appSourceBatch);
+    }
 
     return map;
   }