From f24b5164d4c9118ffe135024f006a2ef02f20640 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Sun, 3 May 2015 22:43:20 +0100
Subject: [PATCH] add extensions option to babel cli

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

diff --git a/packages/babel-cli/bin/babel/dir.js b/packages/babel-cli/bin/babel/dir.js
index 6e0e0cd65d..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)) {
+    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 60eb60b59b..eb3622d8f4 100755
--- a/packages/babel-cli/bin/babel/index.js
+++ b/packages/babel-cli/bin/babel/index.js
@@ -37,6 +37,7 @@ each(options, function (option, key) {
   commander.option(arg, desc.join(" "));
 })
 
+commander.option("-x, --extensions [extensions]", "List of extensions to compile when a directory has been input [.es6,.js,.es,.jsx]");
 commander.option("-w, --watch", "Recompile files on changes");
 commander.option("-o, --out-file [out]", "Compile all input files into a single file");
 commander.option("-d, --out-dir [out]", "Compile an input directory of modules into an output directory");