From 5b5b5c0f1584814a1edd9f2f5bb142479028b9a7 Mon Sep 17 00:00:00 2001
From: Tim Chon <devchon@gmail.com>
Date: Fri, 6 Oct 2017 09:45:47 -0700
Subject: [PATCH] tools: use template literal in error message

PR-URL: https://github.com/nodejs/node/pull/15846
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 tools/doc/generate.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/doc/generate.js b/tools/doc/generate.js
index b7fcf0d4f90da5..1b04be832d954c 100644
--- a/tools/doc/generate.js
+++ b/tools/doc/generate.js
@@ -68,6 +68,6 @@ function next(er, input) {
       break;
 
     default:
-      throw new Error('Invalid format: ' + format);
+      throw new Error(`Invalid format: ${format}`);
   }
 }