Bind-the-addCallback-function-on-File.read-and-File.patch

From 151330d050405d088b357713d7c204847902be37 Mon Sep 17 00:00:00 2001
From: Tim Caswell <[email protected]>
Date: Wed, 3 Feb 2010 20:29:13 -0600
Subject: [PATCH] Bind the addCallback function on File.read and File.write so we can use it in any context.

---
 lib/file.js |   19 ++++++++++++++++---
 1 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/lib/file.js b/lib/file.js
index 1dc2704..843f3fb 100644
--- a/lib/file.js
+++ b/lib/file.js
@@ -17,10 +17,19 @@ function debugObject (obj) {
   }
 }
 
-exports.read = posix.cat;
+exports.read = function () {
+  var promise = posix.cat.apply(null, arguments),
+      addCallback = promise.addCallback;
+  // Bind addCallback to the promise.
+  promise.addCallback = function () {
+    return addCallback.apply(promise, arguments);
+  };
+  return promise;
+};
 
 exports.write = function (filename, data, encoding) {
-  var promise = new events.Promise();
+  var promise = new events.Promise(),
+      addCallback = promise.addCallback;
 
   encoding = encoding || "utf8"; // default to utf8
 
@@ -47,6 +56,10 @@ exports.write = function (filename, data, encoding) {
       promise.emitError();
     });
 
+  // Bind addCallback to the promise.
+  promise.addCallback = function () {
+    return addCallback.apply(promise, arguments);
+  };
   return promise;
 };
 
@@ -73,7 +86,7 @@ var proto = exports.File.prototype;
 
 proto._maybeDispatch = function () {
   var self, args, method, promise, userPromise;
-  
+
   self = this;
 
   if (self.currentAction) { return; }
-- 
1.6.5.2