react-native/packager/babelRegisterOnly.js

30 lines
767 B
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
require('babel-polyfill');
var fs = require('fs');
var path = require('path');
var _only = [];
function readBabelRC() {
var rcpath = path.join(__dirname, 'react-packager', '.babelrc');
var source = fs.readFileSync(rcpath).toString();
return JSON.parse(source);
}
module.exports = function(onlyList) {
_only = _only.concat(onlyList);
var config = readBabelRC();
config.only = _only;
require('babel-core/register')(config);
};