From bf7a52b7648ea85a021b4f104bbed5988697ecae Mon Sep 17 00:00:00 2001
From: gengjiawen <technicalcute@gmail.com>
Date: Sun, 3 Mar 2019 12:24:54 +0800
Subject: [PATCH] http: improve for-loop readability in _http_outgoing.js

PR-URL: https://github.com/nodejs/node/pull/26408
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 lib/_http_outgoing.js | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/lib/_http_outgoing.js b/lib/_http_outgoing.js
index 671a1477d8be1a..a8e970d2d42103 100644
--- a/lib/_http_outgoing.js
+++ b/lib/_http_outgoing.js
@@ -295,21 +295,21 @@ function _storeHeader(firstLine, headers) {
     header: firstLine
   };
 
-  var key;
-  if (headers === this[outHeadersKey]) {
-    for (key in headers) {
-      const entry = headers[key];
-      processHeader(this, state, entry[0], entry[1], false);
-    }
-  } else if (Array.isArray(headers)) {
-    for (var i = 0; i < headers.length; i++) {
-      const entry = headers[i];
-      processHeader(this, state, entry[0], entry[1], true);
-    }
-  } else if (headers) {
-    for (key in headers) {
-      if (hasOwnProperty(headers, key)) {
-        processHeader(this, state, key, headers[key], true);
+  if (headers) {
+    if (headers === this[outHeadersKey]) {
+      for (const key in headers) {
+        const entry = headers[key];
+        processHeader(this, state, entry[0], entry[1], false);
+      }
+    } else if (Array.isArray(headers)) {
+      for (const entry of headers) {
+        processHeader(this, state, entry[0], entry[1], true);
+      }
+    } else {
+      for (const key in headers) {
+        if (hasOwnProperty(headers, key)) {
+          processHeader(this, state, key, headers[key], true);
+        }
       }
     }
   }