From def43190589c93fbc12e648e87aec16b9585d211 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Wed, 12 Nov 2014 00:32:30 +1100
Subject: [PATCH] stop _alias-functions transformer when hitting a function
 that's not an arrow function - fixes #145

---
 lib/6to5/transformation/transformers/_alias-functions.js | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/lib/6to5/transformation/transformers/_alias-functions.js b/lib/6to5/transformation/transformers/_alias-functions.js
index 780c51b92b..2186fe4951 100644
--- a/lib/6to5/transformation/transformers/_alias-functions.js
+++ b/lib/6to5/transformation/transformers/_alias-functions.js
@@ -16,8 +16,7 @@ var go = function (getBody, node, file, scope) {
   // traverse the function and find all alias functions so we can alias
   // arguments and this if necessary
   traverse(node, function (node) {
-    var _aliasFunction = node._aliasFunction;
-    if (!_aliasFunction) {
+    if (!node._aliasFunction) {
       if (t.isFunction(node)) {
         // stop traversal of this node as it'll be hit again by this transformer
         return false;
@@ -28,10 +27,8 @@ var go = function (getBody, node, file, scope) {
 
     // traverse all child nodes of this function and find arguments and this
     traverse(node, function (node, parent) {
-      if (_aliasFunction === "arrows") {
-        if (t.isFunction(node) && node._aliasFunction !== "arrows") {
-          return false;
-        }
+      if (t.isFunction(node) && node._aliasFunction !== "arrows") {
+        return false;
       }
 
       if (node._ignoreAliasFunctions) return;