From 8819736848a84fb2a0c644d9cdd10ed94676e32a Mon Sep 17 00:00:00 2001
From: gengjiawen <technicalcute@gmail.com>
Date: Thu, 7 Mar 2019 22:31:13 +0800
Subject: [PATCH 1/4] repl: remove redundant escape

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

diff --git a/lib/repl.js b/lib/repl.js
index d3363d4bbc6fd3..fa138e87118c9c 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -229,7 +229,7 @@ function REPLServer(prompt,
     let awaitPromise = false;
     const input = code;
 
-    if (/^\s*\{/.test(code) && /\}\s*$/.test(code)) {
+    if (/^\s*{/.test(code) && /\}\s*$/.test(code)) {
       // It's confusing for `{ a : 1 }` to be interpreted as a block
       // statement rather than an object literal.  So, we first try
       // to wrap it in parentheses, so that it will be interpreted as

From 26c689711fe62f8ddffb25b2aee93b42d77398a7 Mon Sep 17 00:00:00 2001
From: gengjiawen <technicalcute@gmail.com>
Date: Thu, 7 Mar 2019 23:46:28 +0800
Subject: [PATCH 2/4] repl: remove redundant escape

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

diff --git a/lib/repl.js b/lib/repl.js
index fa138e87118c9c..fdd5d939856d30 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -229,7 +229,7 @@ function REPLServer(prompt,
     let awaitPromise = false;
     const input = code;
 
-    if (/^\s*{/.test(code) && /\}\s*$/.test(code)) {
+    if (/^\s*{/.test(code) && /}\s*$/.test(code)) {
       // It's confusing for `{ a : 1 }` to be interpreted as a block
       // statement rather than an object literal.  So, we first try
       // to wrap it in parentheses, so that it will be interpreted as

From 6a83057b1e3447210826d7b32d02214d3c04e792 Mon Sep 17 00:00:00 2001
From: gengjiawen <technicalcute@gmail.com>
Date: Thu, 7 Mar 2019 22:33:29 +0800
Subject: [PATCH 3/4] repl: simplify regex expression

---
 lib/repl.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/repl.js b/lib/repl.js
index fdd5d939856d30..858654975c248a 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -1319,8 +1319,8 @@ function _memory(cmd) {
   if (cmd) {
     // Going down is { and (   e.g. function() {
     // going up is } and )
-    var dw = cmd.match(/{|\(/g);
-    var up = cmd.match(/}|\)/g);
+    let dw = cmd.match(/[{(]/g);
+    let up = cmd.match(/[})]/g);
     up = up ? up.length : 0;
     dw = dw ? dw.length : 0;
     var depth = dw - up;

From 3ca5b2afadbffe3bfcaba2ae7b8fcf9b6f59f0af Mon Sep 17 00:00:00 2001
From: gengjiawen <technicalcute@gmail.com>
Date: Thu, 7 Mar 2019 22:36:30 +0800
Subject: [PATCH 4/4] repl: eliminate var in function _memory

---
 lib/repl.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/repl.js b/lib/repl.js
index 858654975c248a..dd4c1cc4cc93c7 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -1323,7 +1323,7 @@ function _memory(cmd) {
     let up = cmd.match(/[})]/g);
     up = up ? up.length : 0;
     dw = dw ? dw.length : 0;
-    var depth = dw - up;
+    let depth = dw - up;
 
     if (depth) {
       (function workIt() {
@@ -1342,9 +1342,9 @@ function _memory(cmd) {
           });
         } else if (depth < 0) {
           // Going... up.
-          var curr = self.lines.level.pop();
+          const curr = self.lines.level.pop();
           if (curr) {
-            var tmp = curr.depth + depth;
+            const tmp = curr.depth + depth;
             if (tmp < 0) {
               // More to go, recurse
               depth += curr.depth;