From 255a39b876beff4546832c6c70901893dd1fc4e4 Mon Sep 17 00:00:00 2001
From: TJ Holowaychuk <tj@vision-media.ca>
Date: Tue, 27 Jan 2015 10:14:57 -0800
Subject: [PATCH] refactor res.append()

OCDOCDOCD
---
 lib/response.js | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/lib/response.js b/lib/response.js
index 3ea3727..844c137 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -440,15 +440,14 @@ module.exports = {
 
   append: function(field, val){
     var prev = this.get(field);
-    var value = val;
+
     if (prev) {
-      // concat the new and prev vals
-      value = Array.isArray(prev) ? prev.concat(val)
-        : Array.isArray(val) ? [prev].concat(val)
-        : [prev, val];
+      val = Array.isArray(prev)
+        ? prev.concat(val)
+        : [prev].concat(val);
     }
 
-    return this.set(field, value);
+    return this.set(field, val);
   },
 
   /**