From fc68a25b21a2ceb4f7737dd05e1e7433076e929d Mon Sep 17 00:00:00 2001
From: Chad Weider <cweider@oofn.net>
Date: Sun, 15 Jan 2012 17:23:48 -0800
Subject: [PATCH] Isolate all files in a closure.

---
 node/utils/Minify.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/node/utils/Minify.js b/node/utils/Minify.js
index 03f511f41..4a22a81fa 100644
--- a/node/utils/Minify.js
+++ b/node/utils/Minify.js
@@ -179,7 +179,7 @@ function _handle(req, res, jsFilename, jsFiles) {
 
             if(type == "JS")
             {
-              embeds[filename] = compressJS([data]);
+              embeds[filename] = compressJS([isolateJS(data)]);
             }
             else
             {
@@ -297,10 +297,16 @@ function tarCode(filesInOrder, files, write) {
   for(var i = 0, ii = filesInOrder.length; i < filesInOrder.length; i++) {
     var filename = filesInOrder[i];
     write("\n\n\n/*** File: static/js/" + filename + " ***/\n\n\n");
-    write(files[filename]);
+    write(isolateJS(files[filename]));
   }
 }
 
+// Wrap the following code in a self executing function and assign exports to
+// global. This is a first step towards removing symbols from the global scope.
+function isolateJS(code) {
+  return '(function (exports) {'+code+'\n}(function () {return this}()));\n';
+}
+
 function compressJS(values)
 {
   var complete = values.join("\n");