From 8d0275cfa4f6a907531fdc18e8b39e2bd3d112ec Mon Sep 17 00:00:00 2001
From: Utkarsh85 <utkarshsharma8519@gmail.com>
Date: Mon, 19 Sep 2016 03:19:39 +0530
Subject: [PATCH 1/2] Add chain flattening code

---
 lib/middleware-chain.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/middleware-chain.js b/lib/middleware-chain.js
index d0f88f9..bbd1c1f 100644
--- a/lib/middleware-chain.js
+++ b/lib/middleware-chain.js
@@ -9,6 +9,7 @@
 
 // Module dependencies.
 var util = require('util');
+var flatten = require('array-flatten');
 
 /**
  * Middleware Chain module.
@@ -24,7 +25,10 @@ module.exports = function(context, chain) {
     chain = context;
     context = {};
   }
-
+  
+  //flatten chain
+  chain=flatten(chain);
+  
   // Context should be an object.
   if (typeof context !== 'object' || util.isArray(context)) {
     throw new Error('Context must be an object.')
@@ -52,4 +56,4 @@ module.exports = function(context, chain) {
 
   // Start the chain.
   return next();
-};
\ No newline at end of file
+};

From 437bb28ecb7d26286ccd810969316613e70f0049 Mon Sep 17 00:00:00 2001
From: Utkarsh85 <utkarshsharma8519@gmail.com>
Date: Mon, 19 Sep 2016 03:28:17 +0530
Subject: [PATCH 2/2] Added nested chain test

---
 lib/middleware-chain.js |  5 +++--
 package.json            |  3 +++
 test/index.js           | 11 +++++++++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/lib/middleware-chain.js b/lib/middleware-chain.js
index bbd1c1f..79ff48b 100644
--- a/lib/middleware-chain.js
+++ b/lib/middleware-chain.js
@@ -27,8 +27,9 @@ module.exports = function(context, chain) {
   }
   
   //flatten chain
-  chain=flatten(chain);
-  
+  if(Array.isArray(chain))
+    chain=flatten(chain);
+
   // Context should be an object.
   if (typeof context !== 'object' || util.isArray(context)) {
     throw new Error('Context must be an object.')
diff --git a/package.json b/package.json
index 025124a..9146da5 100644
--- a/package.json
+++ b/package.json
@@ -20,5 +20,8 @@
   "devDependencies": {
     "consign": "^0.1.1",
     "mocha": "^2.2.5"
+  },
+  "dependencies": {
+    "array-flatten": "^2.1.0"
   }
 }
diff --git a/test/index.js b/test/index.js
index 51af86e..a099321 100644
--- a/test/index.js
+++ b/test/index.js
@@ -158,3 +158,14 @@ describe('Middleware Chain', function() {
 
 });
 
+// Flatten Test
+describe('Flatten Test',function () {
+  it("should work with nested arrays",function (done) {
+    chain([one, [two], [two,three], function(context, next) {
+      assert.deepEqual(context, {
+        one: 'Hello', two: 'Hello', three: 'Hello'
+      });
+      done();
+    }]);
+  })
+})
\ No newline at end of file