tools: replace loop with padStart

PR-URL: nodejs/node#16220 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com>
ayojs · Nov 2, 2017 · 5bc6daf · 5bc6daf
1 parent 6b2b45f
commit 5bc6daf
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/tools/license2rtf.js b/tools/license2rtf.js
@@ -274,10 +274,7 @@ function RtfGenerator() {
   };
 
   function toHex(number, length) {
-    var hex = (~~number).toString(16);
-    while (hex.length < length)
-      hex = `0${hex}`;
-    return hex;
+    return (~~number).toString(16).padStart(length, '0');
   }
 
   function rtfEscape(string) {