From 886ed42b7895bad9e7f974a22ea95fffdc94ceca Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Mon, 29 Sep 2014 12:24:12 +1000
Subject: [PATCH] add util.errorWithNode method that returns an error with
 mapped location properties

---
 lib/6to5/util.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/6to5/util.js b/lib/6to5/util.js
index 93d1337f90..18d0d92019 100644
--- a/lib/6to5/util.js
+++ b/lib/6to5/util.js
@@ -36,6 +36,13 @@ exports.parse = function (code, opts) {
   }
 };
 
+exports.errorWithNode = function (node, msg) {
+  var err = new Error(msg);
+  err.lineNumber = node.loc.start.line;
+  err.column = node.loc.start.column;
+  return err;
+};
+
 exports.canCompile = function (filename) {
   return path.extname(filename) === ".js";
 };