Function#bind() is often slow.

lib/bind.js

@@ -0,0 +1,5 @@
+module.exports = function bind(fn, context) {
+  return function __bind__ () {
+    return fn.apply(context, arguments)
+  }
+}

lib/client.js

@@ -4,6 +4,7 @@ var http         = require('http')
   , Serializer   = require('./serializer')
   , Deserializer = require('./deserializer')
   , Cookies      = require('./cookies')
+  , bind         = require('./bind')
 
 /**
  * Creates a Client object for making XML-RPC method calls.
@@ -103,7 +104,7 @@ Client.prototype.methodCall = function methodCall(method, params, callback) {
 
   options.headers['Content-Length'] = Buffer.byteLength(xml, 'utf8')
   this.headersProcessors.composeRequest(options.headers)
-  var request = transport.request(options, function(response) {
+  var request = transport.request(options, bind(function(response) {
 
     var body = []
     response.on('data', function (chunk) { body.push(chunk) })
@@ -130,7 +131,7 @@ Client.prototype.methodCall = function methodCall(method, params, callback) {
         callback(err, result)
       })
     }
-  }.bind(this))
+  }, this))
 
   request.on('error', callback)
   request.write(xml, 'utf8')

lib/cookies.js

@@ -1,3 +1,5 @@
+var bind = require('./bind')
+
 /**
  * Creates object for cookies manipulation on client side.
  * Allows to parse server's response in order to get cookies and compose http request to transfer cookies to the server
@@ -66,7 +68,7 @@ Cookies.prototype = {
   parseResponse: function(headers) {
     var cookies = headers['set-cookie']
     if (cookies) {
-      cookies.forEach(function(c) {
+      cookies.forEach(bind(function(c) {
         var cookiesParams = c.split(';')
         var cookiePair = cookiesParams.shift().split('=')
         var options = {}
@@ -78,7 +80,7 @@ Cookies.prototype = {
           }
         })
         this.set(cookiePair[0].trim(), cookiePair[1].trim(), options)
-      }.bind(this))
+      }, this))
     }
   },
 
@@ -101,10 +103,10 @@ Cookies.prototype = {
    */
   toString: function() {
     return Object.keys(this.cookies)
-      .filter(this.checkNotExpired.bind(this))
-      .map(function(name) {
-      return name + '=' + this.cookies[name].value
-    }.bind(this)).join(';')
+      .filter(bind(this.checkNotExpired, this))
+      .map(bind(function(name) {
+        return name + '=' + this.cookies[name].value
+      }, this)).join(';')
   }
 }
 

lib/deserializer.js

@@ -1,5 +1,6 @@
 var sax           = require('sax')
   , dateFormatter = require('./date_formatter')
+  , bind          = require('./bind')
 
 var Deserializer = function(encoding) {
   this.type = null
@@ -14,12 +15,12 @@ var Deserializer = function(encoding) {
   this.error = null
 
   this.parser = sax.createStream()
-  this.parser.on('opentag',  this.onOpentag.bind(this))
-  this.parser.on('closetag', this.onClosetag.bind(this))
-  this.parser.on('text',     this.onText.bind(this))
-  this.parser.on('cdata',    this.onCDATA.bind(this))
-  this.parser.on('end',      this.onDone.bind(this))
-  this.parser.on('error',    this.onError.bind(this))
+  this.parser.on('opentag',  bind(this.onOpentag, this))
+  this.parser.on('closetag', bind(this.onClosetag, this))
+  this.parser.on('text',     bind(this.onText, this))
+  this.parser.on('cdata',    bind(this.onCDATA, this))
+  this.parser.on('end',      bind(this.onDone, this))
+  this.parser.on('error',    bind(this.onError, this))
 }
 
 Deserializer.prototype.deserializeMethodResponse = function(stream, callback) {
@@ -44,7 +45,7 @@ Deserializer.prototype.deserializeMethodResponse = function(stream, callback) {
   }
 
   stream.setEncoding(this.encoding)
-  stream.on('error', this.onError.bind(this))
+  stream.on('error', bind(this.onError, this))
   stream.pipe(this.parser)
 }
 
@@ -67,7 +68,7 @@ Deserializer.prototype.deserializeMethodCall = function(stream, callback) {
   }
 
   stream.setEncoding(this.encoding)
-  stream.on('error', this.onError.bind(this))
+  stream.on('error', bind(this.onError, this))
   stream.pipe(this.parser)
 }
 

lib/server.js

@@ -4,6 +4,7 @@ var http             = require('http')
   , EventEmitter     = require('events').EventEmitter
   , Serializer       = require('./serializer')
   , Deserializer     = require('./deserializer')
+  , bind             = require('./bind')
 
 /**
  * Creates a new Server object. Also creates an HTTP server to start listening
@@ -62,13 +63,13 @@ function Server(options, isSecure, onListening) {
   this.httpServer = isSecure ? https.createServer(options, handleMethodCall)
                             : http.createServer(handleMethodCall)
 
-  process.nextTick(function() {
+  process.nextTick(bind(function() {
     this.httpServer.listen(options.port, options.host, onListening)
-  }.bind(this))
-  this.close = function(callback) {
+  }, this))
+  this.close = bind(function(callback) {
     this.httpServer.once('close', callback)
     this.httpServer.close()
-  }.bind(this)
+  }, this)
 }
 
 // Inherit from EventEmitter to emit and listen