From d4c98d7738dfb2620ba47c1a37f9a0d76007c5ce Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Mon, 2 Mar 2015 22:47:00 +1100
Subject: [PATCH] add transformer aliases

---
 src/babel/transformation/index.js                     | 6 +++++-
 src/babel/transformation/transformers/aliases.json    | 3 +++
 src/babel/transformation/transformers/deprecated.json | 1 -
 3 files changed, 8 insertions(+), 2 deletions(-)
 create mode 100644 src/babel/transformation/transformers/aliases.json

diff --git a/src/babel/transformation/index.js b/src/babel/transformation/index.js
index 666792bc43..b56db8ab88 100644
--- a/src/babel/transformation/index.js
+++ b/src/babel/transformation/index.js
@@ -25,7 +25,10 @@ transform._ensureTransformerNames = function (type, rawKeys) {
     var key = rawKeys[i];
 
     var deprecatedKey = transform.deprecatedTransformerMap[key];
-    if (deprecatedKey) {
+    var aliasKey = transform.aliasTransformerMap[key];
+    if (aliasKey) {
+      keys.push(aliasKey);
+    } else if (deprecatedKey) {
       // deprecated key, remap it to the new one
       console.error("The transformer " + key + " has been renamed to " + deprecatedKey);
       rawKeys.push(deprecatedKey);
@@ -49,6 +52,7 @@ transform.transformers          = object();
 transform.namespaces            = object();
 
 transform.deprecatedTransformerMap = require("./transformers/deprecated");
+transform.aliasTransformerMap = require("./transformers/aliases");
 transform.moduleFormatters = require("./modules");
 
 import rawTransformers from "./transformers";
diff --git a/src/babel/transformation/transformers/aliases.json b/src/babel/transformation/transformers/aliases.json
new file mode 100644
index 0000000000..fd7d5b6b8a
--- /dev/null
+++ b/src/babel/transformation/transformers/aliases.json
@@ -0,0 +1,3 @@
+{
+  "useStrict": "strict"
+}
diff --git a/src/babel/transformation/transformers/deprecated.json b/src/babel/transformation/transformers/deprecated.json
index 8c0cb981eb..71dea271a6 100644
--- a/src/babel/transformation/transformers/deprecated.json
+++ b/src/babel/transformation/transformers/deprecated.json
@@ -1,5 +1,4 @@
 {
-  "useStrict": "strict",
   "selfContained": "runtime",
   "unicode-regex": "regex.unicode",