From ddf95663b894d0e408b73a6fab48a31b23874d0f Mon Sep 17 00:00:00 2001
From: Marco Klein <marco.klein@avsn.de>
Date: Thu, 4 Feb 2021 13:01:18 +0100
Subject: [PATCH] Fix #167

https://github.com/jeremydaly/lambda-api/issues/167
---
 lib/response.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/response.js b/lib/response.js
index 11c8008..f94ad29 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -65,7 +65,7 @@ class RESPONSE {
 
   // Adds a header field
   header(key,value,append) {
-    let _key = key.toLowerCase() // store as lowercase
+    let _key = key; // store as lowercase
     let _values = value ? (Array.isArray(value) ? value : [value]) : ['']
     this._headers[_key] = append ?
       this.hasHeader(_key) ? this._headers[_key].concat(_values) : _values
@@ -79,9 +79,9 @@ class RESPONSE {
       Object.keys(this._headers).reduce((headers,key) =>
         Object.assign(headers, { [key]: this._headers[key].toString() })
         ,{}) // return all headers
-    return asArr ? this._headers[key.toLowerCase()]
-      : this._headers[key.toLowerCase()] ?
-        this._headers[key.toLowerCase()].toString() : undefined
+    return asArr ? this._headers[key]
+      : this._headers[key] ?
+        this._headers[key].toString() : undefined
   }
 
   getHeaders() {
@@ -90,7 +90,7 @@ class RESPONSE {
 
   // Removes a header field
   removeHeader(key) {
-    delete this._headers[key.toLowerCase()]
+    delete this._headers[key]
     return this
   }