From b9d9a86053cc9c8dd276672cd132c1ddb1073f59 Mon Sep 17 00:00:00 2001
From: Tim Caswell <tim@creationix.com>
Date: Sat, 20 Feb 2010 22:16:42 -0600
Subject: [PATCH] When converting a library, pass all properties through, but
 only convert the speficied ones.

---
 lib/do.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/do.js b/lib/do.js
index d7f250a..0c0af0e 100644
--- a/lib/do.js
+++ b/lib/do.js
@@ -143,7 +143,10 @@ exports.cont = function (fn) {
 // the specified names to continuable style and returns the new library.
 exports.convert = function (lib, names) {
   var newlib = {};
-  names.forEach(function (key) {
+  Object.keys(lib).forEach(function (key) {
+    if (names.indexOf(key) < 0) {
+      return newlib[key] = lib[key];
+    }
     newlib[key] = function () {
       var args = Array.prototype.slice.call(arguments);
       return function (callback, errback) {