From c64d07d506e98d31921572263ca8c021b652aea2 Mon Sep 17 00:00:00 2001
From: Kevin Sawicki <kevin@github.com>
Date: Tue, 12 Mar 2013 17:49:05 -0700
Subject: [PATCH] Return false if stat exception is thrown

Calling exists() and then statSync() ends up stat'ing
the file twice so removing the exists() check saves a stat
call.
---
 src/stdlib/fs-utils.coffee | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/stdlib/fs-utils.coffee b/src/stdlib/fs-utils.coffee
index 10661b2b1..1b3d8a46f 100644
--- a/src/stdlib/fs-utils.coffee
+++ b/src/stdlib/fs-utils.coffee
@@ -51,12 +51,20 @@ module.exports =
   # Returns true if the file specified by path exists and is a
   # directory.
   isDirectory: (path) ->
-    @exists(path) and fs.statSync(path).isDirectory()
+    return false unless path?.length > 0
+    try
+      fs.statSync(path).isDirectory()
+    catch e
+      false
 
   # Returns true if the file specified by path exists and is a
   # regular file.
   isFile: (path) ->
-    @exists(path) and fs.statSync(path).isFile()
+    return false unless path?.length > 0
+    try
+      path? and fs.statSync(path).isFile()
+    catch e
+      false
 
   # Returns an array with all the names of files contained
   # in the directory path.