From e12540ba6612a5e34219c1ddb32ba2fe46f66c26 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Sun, 30 Jun 2013 00:29:03 -0700
Subject: [PATCH] Allow the `iife` command to not have `%output%` specified.

Former-commit-id: c11cd1d33479e64a689a2412c764be15a807c9ae
---
 build.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build.js b/build.js
index b8b474df8..9e0acef0e 100755
--- a/build.js
+++ b/build.js
@@ -3638,9 +3638,9 @@
             index = iife.indexOf(token);
 
         source = source.match(/^\/\**[\s\S]+?\*\/\n/) +
-          iife.slice(0, index) +
+          (index > -1 ? iife.slice(0, index) : iife) +
           source.replace(/^[\s\S]+?\(function[^{]+?{|}\(this\)\)[;\s]*$/g, '') +
-          iife.slice(index + token.length);
+          (index > -1 ? iife.slice(index + token.length) : '')
       }
     }());