From fcf6c9e066ffa1a7d97142c094019ade855dadb5 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Sat, 1 Nov 2014 17:53:01 +1100
Subject: [PATCH] generator: add isLast helper method

---
 lib/6to5/generator.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/6to5/generator.js b/lib/6to5/generator.js
index c3ba631a88..6f48131261 100644
--- a/lib/6to5/generator.js
+++ b/lib/6to5/generator.js
@@ -70,7 +70,7 @@ CodeGenerator.prototype.push = function (str) {
     str = str.replace(/\n/g, "\n" + indent);
 
     // we've got a newline before us so prepend on the indentation
-    if (_.last(this.buf) === "\n") str = indent + str;
+    if (this.isLast("\n")) str = indent + str;
   }
 
   var self = this;
@@ -87,6 +87,10 @@ CodeGenerator.prototype.push = function (str) {
   this.buf += str;
 };
 
+CodeGenerator.prototype.isLast = function (cha) {
+  return _.last(this.buf) === cha;
+};
+
 CodeGenerator.prototype.getIndent = function () {
   return util.repeat(this._indent * this.tabWidth);
 };