From 2cc0cfb2137c25dafd30a6958911c6c934dffd97 Mon Sep 17 00:00:00 2001
From: gengjiawen <technicalcute@gmail.com>
Date: Sun, 10 Mar 2019 13:00:07 +0800
Subject: [PATCH 1/3] http: delay ret declaration in method _flushOutput

---
 lib/_http_outgoing.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/_http_outgoing.js b/lib/_http_outgoing.js
index 60ed6779c47979..ebc40d0961f105 100644
--- a/lib/_http_outgoing.js
+++ b/lib/_http_outgoing.js
@@ -792,13 +792,13 @@ OutgoingMessage.prototype._flush = function _flush() {
 };
 
 OutgoingMessage.prototype._flushOutput = function _flushOutput(socket) {
-  var ret;
-  var outputLength = this.outputData.length;
+  const outputLength = this.outputData.length;
   if (outputLength <= 0)
-    return ret;
+    return undefined;
 
-  var outputData = this.outputData;
+  const outputData = this.outputData;
   socket.cork();
+  let ret;
   for (var i = 0; i < outputLength; i++) {
     const { data, encoding, callback } = outputData[i];
     ret = socket.write(data, encoding, callback);

From 4bd26350355bb8e8e78f515112afed07d41951eb Mon Sep 17 00:00:00 2001
From: gengjiawen <technicalcute@gmail.com>
Date: Sun, 10 Mar 2019 13:01:25 +0800
Subject: [PATCH 2/3] repl: remove redundant initialization

---
 lib/repl.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/repl.js b/lib/repl.js
index a641843d2c7fa3..f86ec72a8a0de3 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -1030,8 +1030,7 @@ function complete(line, callback) {
 
   // REPL commands (e.g. ".break").
   var filter;
-  var match = null;
-  match = line.match(/^\s*\.(\w*)$/);
+  let match = line.match(/^\s*\.(\w*)$/);
   if (match) {
     completionGroups.push(Object.keys(this.commands));
     completeOn = match[1];

From d768c5c6f2d50968b603a8996d1c3b55f3e06b54 Mon Sep 17 00:00:00 2001
From: gengjiawen <technicalcute@gmail.com>
Date: Sun, 10 Mar 2019 13:12:25 +0800
Subject: [PATCH 3/3] lib: make lowerProto scope more clear

---
 lib/url.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/url.js b/lib/url.js
index 391d6c2723d99d..b41000332a453b 100644
--- a/lib/url.js
+++ b/lib/url.js
@@ -250,10 +250,11 @@ Url.prototype.parse = function parse(url, parseQueryString, slashesDenoteHost) {
     }
   }
 
-  var proto = protocolPattern.exec(rest);
+  let proto = protocolPattern.exec(rest);
+  let lowerProto;
   if (proto) {
     proto = proto[0];
-    var lowerProto = proto.toLowerCase();
+    lowerProto = proto.toLowerCase();
     this.protocol = lowerProto;
     rest = rest.slice(proto.length);
   }