Move copy method to helpers

Author: simov

lib/copy.js

@@ -46,10 +46,19 @@ function toBase64 (str) {
   return (new Buffer(str || '', 'utf8')).toString('base64')
 }
 
+function copy (obj) {
+  var o = {}
+  Object.keys(obj).forEach(function (i) {
+    o[i] = obj[i]
+  })
+  return o
+}
+
 exports.isFunction            = isFunction
 exports.paramsHaveRequestBody = paramsHaveRequestBody
 exports.safeStringify         = safeStringify
 exports.md5                   = md5
 exports.isReadStream          = isReadStream
 exports.toBase64              = toBase64
+exports.copy                  = copy
 exports.defer                 = deferMethod()

lib/helpers.js

@@ -6,7 +6,6 @@ var http = require('http')
   , util = require('util')
   , stream = require('stream')
   , zlib = require('zlib')
-  , helpers = require('./lib/helpers')
   , bl = require('bl')
   , hawk = require('hawk')
   , aws = require('aws-sign2')
@@ -17,8 +16,8 @@ var http = require('http')
   , caseless = require('caseless')
   , ForeverAgent = require('forever-agent')
   , FormData = require('form-data')
+  , helpers = require('./lib/helpers')
   , cookies = require('./lib/cookies')
-  , copy = require('./lib/copy')
   , getProxyFromURI = require('./lib/getProxyFromURI')
   , Querystring = require('./lib/querystring').Querystring
   , Har = require('./lib/har').Har
@@ -31,6 +30,7 @@ var safeStringify = helpers.safeStringify
   , isReadStream = helpers.isReadStream
   , toBase64 = helpers.toBase64
   , defer = helpers.defer
+  , copy = helpers.copy
   , globalCookieJar = cookies.jar()