From b080cec4b1d5960f94274703eff1523f4b2478e3 Mon Sep 17 00:00:00 2001
From: jvanalst <jvanalstine1@gmail.com>
Date: Fri, 23 Mar 2012 11:15:44 -0600
Subject: [PATCH] Make sure process.nextTick exists before calling it

---
 lib/step.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/step.js b/lib/step.js
index b524a6a..e3a7054 100755
--- a/lib/step.js
+++ b/lib/step.js
@@ -99,8 +99,11 @@ function Step() {
         localCallback(error, result);
       }
     }
-    process.nextTick(check); // Ensures that check is called at least once
-
+    
+    if (process && typeof process.nextTick == 'function') {
+      process.nextTick(check); // Ensures that check is called at least once  
+    }
+    
     // Generates a callback for the group
     return function () {
       var index = counter++;