From 5bc1a5163d07e23d968c15ba37ff777a9d2fd5a5 Mon Sep 17 00:00:00 2001
From: prabirshrestha <mail@prabir.me>
Date: Sat, 26 Jan 2013 01:02:16 -0500
Subject: [PATCH 1/3] nextTick with browser fallback

---
 lib/step.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/step.js b/lib/step.js
index b524a6a..c775daa 100755
--- a/lib/step.js
+++ b/lib/step.js
@@ -99,7 +99,7 @@ function Step() {
         localCallback(error, result);
       }
     }
-    process.nextTick(check); // Ensures that check is called at least once
+    Step.nextTick(check); // Ensures that check is called at least once
 
     // Generates a callback for the group
     return function () {
@@ -145,6 +145,14 @@ Step.fn = function StepFn() {
   }
 }
 
+// nextTick with browser fallback
+if (typeof process === 'undefined' || !(process.nextTick)) {
+  Step.nextTick = function (fn) {
+    setTimeout(fn, 0);
+  };
+} else {
+  Step.nextTick = process.nextTick;
+}
 
 // Hook into commonJS module systems
 if (typeof module !== 'undefined' && "exports" in module) {

From a3f2e648c960725239920b2a8fbdad24c32c467a Mon Sep 17 00:00:00 2001
From: shebson <stephen@overhead.fm>
Date: Wed, 3 Jul 2013 10:17:01 -0700
Subject: [PATCH 2/3] Adds setImmediate fallback if process.nextTick isn't
 available

---
 lib/step.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/step.js b/lib/step.js
index c775daa..6700b56 100755
--- a/lib/step.js
+++ b/lib/step.js
@@ -147,9 +147,15 @@ Step.fn = function StepFn() {
 
 // nextTick with browser fallback
 if (typeof process === 'undefined' || !(process.nextTick)) {
-  Step.nextTick = function (fn) {
-    setTimeout(fn, 0);
-  };
+  if (typeof setImmediate == 'function') {
+    Step.nextTick = function(fn){
+      setImmediate(fn)
+    };
+  }else{
+    Step.nextTick = function (fn) {
+      setTimeout(fn, 0);
+    };
+  }
 } else {
   Step.nextTick = process.nextTick;
 }

From 7ab85f0c3769d3ba7f8f65d7863e57d18f5f8b5f Mon Sep 17 00:00:00 2001
From: shebson <stephen@overhead.fm>
Date: Wed, 3 Jul 2013 12:19:59 -0700
Subject: [PATCH 3/3] Space before and after else (thanks prabirshrestha)

---
 lib/step.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/step.js b/lib/step.js
index 6700b56..dc83e47 100755
--- a/lib/step.js
+++ b/lib/step.js
@@ -151,7 +151,7 @@ if (typeof process === 'undefined' || !(process.nextTick)) {
     Step.nextTick = function(fn){
       setImmediate(fn)
     };
-  }else{
+  } else {
     Step.nextTick = function (fn) {
       setTimeout(fn, 0);
     };