lib/babel-transform.js
function Babelify(filename, babelConfig) {
	stream.Transform.call(this);
	this._data = '';
	this._filename = filename;
	this._babelConfig = babelConfig;
}
function Babelify(filename, babelConfig) {
	stream.Transform.call(this);
	this._data = '';
	this._filename = filename;
	this._babelConfig = babelConfig;
}
function Babelify ( filename , babelConfig ) { stream . Transform . call ( this ) ; this . _data = '' ; this . _filename = filename ; this . _babelConfig = babelConfig ; }
copied from Babelify - modified so we can embed source maps
copied from Babelify - modified so we can embed source maps