ES6 with browserify-rails and rails

es6.diff

diff --git a/.gitignore b/.gitignore
index 050c9d9..3292569 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,6 @@
 /log/*
 !/log/.keep
 /tmp
+
+# Ignore node modules
+node_modules
diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index a63162d..318f587 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -10,3 +10,4 @@
 // Read Sprockets README (https://github.com/rails/sprockets#sprockets-directives) for details
 // about supported directives.
 //
+//= require foo
diff --git a/app/assets/javascripts/bar.js b/app/assets/javascripts/bar.js
new file mode 100644
index 0000000..69bb71b
--- /dev/null
+++ b/app/assets/javascripts/bar.js
@@ -0,0 +1,3 @@
+import { showWarning } from 'baz';
+
+module.exports = showWarning;
diff --git a/app/assets/javascripts/baz.js b/app/assets/javascripts/baz.js
new file mode 100644
index 0000000..6da3eff
--- /dev/null
+++ b/app/assets/javascripts/baz.js
@@ -0,0 +1,5 @@
+const showWarning = function() {
+  window.alert("Some warning!!!");
+}
+
+export { showWarning };
diff --git a/app/assets/javascripts/foo.js b/app/assets/javascripts/foo.js
new file mode 100644
index 0000000..51c489d
--- /dev/null
+++ b/app/assets/javascripts/foo.js
@@ -0,0 +1 @@
+window.showWarning = require('./bar');
diff --git a/config/application.rb b/config/application.rb
index e2bce81..542d81f 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -22,5 +22,8 @@ module TestEs6

     # Do not swallow errors in after_commit/after_rollback callbacks.
     config.active_record.raise_in_transactional_callbacks = true
+
+    config.browserify_rails.force = true
+    config.browserify_rails.commandline_options = "--transform babelify --extension=.js"
   end
 end
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..9130fac
--- /dev/null
+++ b/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "something",
+  "dependencies": {
+    "browserify": "~> 10.2.4",
+    "browserify-incremental": "^3.0.1"
+  },
+  "license": "MIT",
+  "engines": {
+    "node": ">= 0.10"
+  },
+  "devDependencies": {
+    "babelify": "^6.1.3"
+  }
+}