From 27247e8e56ed3af5fb5873caea4fbd4f0a3b8640 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Thu, 13 Sep 2012 19:28:56 -0700
Subject: [PATCH] Remove `freeExports` var when not used via `exports` build
 option.

Former-commit-id: 66950af3a18b35412fbe1092e19c5d7ef0c9a029
---
 build.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/build.js b/build.js
index 81bf00bde..b5750143b 100755
--- a/build.js
+++ b/build.js
@@ -1183,6 +1183,10 @@
     // remove `if (freeExports) {...}` if it's empty
     source = source.replace(/(?: *\/\/.*\n)* *(?:else )?if *\(freeExports\) *{\s*}(?:\s*else *{\n([\s\S]+?) *})?/, '$1');
 
+    if ((source.match(/\bfreeExports\b/g) || []).length < 2) {
+      source = removeVar(source, 'freeExports');
+    }
+
     /*------------------------------------------------------------------------*/
 
     // customize Lo-Dash's IIFE