From 8a4a76000d5774959989f50fbfc5daddc2391a39 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Thu, 7 May 2015 13:55:12 +0100
Subject: [PATCH] correctly arrayify commander extensions - closes #1470, fixes
 #1460

---
 packages/babel-cli/bin/babel/dir.js   | 2 +-
 packages/babel-cli/bin/babel/index.js | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/babel-cli/bin/babel/dir.js b/packages/babel-cli/bin/babel/dir.js
index 091cb9561c..c78a190939 100644
--- a/packages/babel-cli/bin/babel/dir.js
+++ b/packages/babel-cli/bin/babel/dir.js
@@ -30,7 +30,7 @@ module.exports = function (commander, filenames, opts) {
   var handleFile = function (src, filename) {
     if (util.shouldIgnore(src)) return;
 
-    if (util.canCompile(filename, opts.extensions)) {
+    if (util.canCompile(filename, commander.extensions)) {
       write(src, filename);
     } else if (commander.copyFiles) {
       outputFileSync(path.join(commander.outDir, filename), fs.readFileSync(src));
diff --git a/packages/babel-cli/bin/babel/index.js b/packages/babel-cli/bin/babel/index.js
index eb3622d8f4..7b01cf9336 100755
--- a/packages/babel-cli/bin/babel/index.js
+++ b/packages/babel-cli/bin/babel/index.js
@@ -70,6 +70,12 @@ commander.parse(process.argv);
 
 //
 
+if (commander.extensions) {
+  commander.extensions = util.arrayify(commander.extensions);
+}
+
+//
+
 var errors = [];
 
 var filenames = commander.args.reduce(function (globbed, input) {