From 5aff7709f7ae4d6029dcdc75a3092527046b510f Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Sun, 9 Nov 2014 21:25:05 +1100
Subject: [PATCH] add back _property-literals transformer that somehow
 disappeared?

---
 .../transformers/_property-literals.js             | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lib/6to5/transformation/transformers/_property-literals.js b/lib/6to5/transformation/transformers/_property-literals.js
index e69de29bb2..0bc6346578 100644
--- a/lib/6to5/transformation/transformers/_property-literals.js
+++ b/lib/6to5/transformation/transformers/_property-literals.js
@@ -0,0 +1,14 @@
+var esutils = require("esutils");
+var t       = require("../../types");
+
+exports.Property = function (node) {
+  // ignore key literals that are valid identifiers
+  var key = node.key;
+  if (t.isLiteral(key) && esutils.keyword.isIdentifierName(key.value)) {
+    key.type = "Identifier";
+    key.name = key.value;
+    delete key.value;
+
+    node.computed = false;
+  }
+};