util: speed up common case of formatting string

PR-URL: #1749 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Jeremiah Senkpiel <[email protected]>
nodejs · May 20, 2015 · 214d020 · 214d020
1 parent 9b35be5
commit 214d020
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/util.js b/lib/util.js
@@ -13,6 +13,8 @@ exports.format = function(f) {
     return objects.join(' ');
   }
 
+  if (arguments.length === 1) return f;
+
   var i = 1;
   var args = arguments;
   var len = args.length;