From 1d44b9e2b2c090ec86f5d4e59a6f312b0a13c867 Mon Sep 17 00:00:00 2001
From: oleg <oleg.korobenko@gmail.com>
Date: Thu, 7 May 2015 22:08:46 +0300
Subject: [PATCH] clear utils

---
 lib/command/spawn.js |  4 ++--
 lib/utils.js         | 23 -----------------------
 2 files changed, 2 insertions(+), 25 deletions(-)

diff --git a/lib/command/spawn.js b/lib/command/spawn.js
index 3225e61..24174f1 100644
--- a/lib/command/spawn.js
+++ b/lib/command/spawn.js
@@ -3,7 +3,7 @@
 var spawn = require('child_process').spawn,
 	ParentCommand = require('./base').Command,
 	inherits = require('util').inherits,
-	utils = require('../utils');
+	_ = require('underscore');
 
 function Command(params) {
 	params = params || {};
@@ -24,7 +24,7 @@ Command.prototype.run = function(params, callback) {
 
 	if (!params.cmd) return callback(new Error('`cmd` is not set'));
 	if (!params.args) return callback(new Error('`args` is not set'));
-	callback = utils.once(callback);
+	callback = _(callback).once();
 	params.options = params.options || {};
 	params.options.cwd = params.options.cwd || this.cwd;
 
diff --git a/lib/utils.js b/lib/utils.js
index 48c5638..90cf13c 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -1,28 +1,5 @@
 'use strict';
 
-['Function', 'String', 'Number', 'Date', 'RegExp'].forEach(function(name) {
-	exports['is' + name] = function(obj) {
-		return toString.call(obj) == '[object ' + name + ']';
-	};
-});
-
-exports.isObject = function(obj) {
-	return obj === Object(obj);
-};
-
-exports.noop = function() {};
-
-exports.slice = Array.prototype.slice;
-
-exports.once = function(func) {
-	var isCalled = false;
-	return function() {
-		if (isCalled) return;
-		func.apply(this, arguments);
-		isCalled = true;
-	};
-};
-
 exports.prune = function(str, length) {
 	var result = '',
 		words = str.split(' ');