From 2fa2a6072199aeb84886878e6b7048021c545e42 Mon Sep 17 00:00:00 2001
From: Ruben Bridgewater <ruben@bridgewater.de>
Date: Wed, 21 Jun 2017 20:24:54 +0200
Subject: [PATCH] http: simplify if statement

PR-URL: https://github.com/nodejs/node/pull/13857
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
---
 lib/_http_server.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/_http_server.js b/lib/_http_server.js
index f77b8f6a7e7867..34e7b6d29c2cae 100644
--- a/lib/_http_server.js
+++ b/lib/_http_server.js
@@ -213,10 +213,8 @@ function writeHead(statusCode, reason, obj) {
         if (k) this.setHeader(k, obj[k]);
       }
     }
-    if (k === undefined) {
-      if (this._header) {
-        throw new errors.Error('ERR_HTTP_HEADERS_SENT');
-      }
+    if (k === undefined && this._header) {
+      throw new errors.Error('ERR_HTTP_HEADERS_SENT');
     }
     // only progressive api is used
     headers = this[outHeadersKey];