From 4faf2ec7839bbc25bd919401cfa88aa17b06fb81 Mon Sep 17 00:00:00 2001
From: Suryanarayana Murthy N <snarkedi@in.ibm.com>
Date: Fri, 10 Nov 2017 18:17:17 +0530
Subject: [PATCH] lib: replace string concatenation with template

PR-URL: https://github.com/nodejs/node/pull/16933
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
---
 lib/fs.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/fs.js b/lib/fs.js
index 9c72994a72e549..feadde5f7e88ff 100644
--- a/lib/fs.js
+++ b/lib/fs.js
@@ -101,7 +101,7 @@ function rethrow() {
     var backtrace = new Error();
     return function(err) {
       if (err) {
-        backtrace.stack = err.name + ': ' + err.message +
+        backtrace.stack = `${err.name}: ${err.message}` +
                           backtrace.stack.substr(backtrace.name.length);
         throw backtrace;
       }
@@ -1843,7 +1843,7 @@ fs.mkdtemp = function(prefix, options, callback) {
   var req = new FSReqWrap();
   req.oncomplete = callback;
 
-  binding.mkdtemp(prefix + 'XXXXXX', options.encoding, req);
+  binding.mkdtemp(`${prefix}XXXXXX`, options.encoding, req);
 };
 
 
@@ -1852,7 +1852,7 @@ fs.mkdtempSync = function(prefix, options) {
     throw new TypeError('filename prefix is required');
   options = getOptions(options, {});
   nullCheck(prefix);
-  return binding.mkdtemp(prefix + 'XXXXXX', options.encoding);
+  return binding.mkdtemp(`${prefix}XXXXXX`, options.encoding);
 };