mirror of https://github.com/status-im/metro.git
77 lines
2.1 KiB
JavaScript
77 lines
2.1 KiB
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.
|
|
*
|
|
* Note: This is a fork of the fb-specific transform.js
|
|
*/
|
|
'use strict';
|
|
|
|
const babel = require('babel-core');
|
|
const fs = require('fs');
|
|
const inlineRequires = require('fbjs-scripts/babel-6/inline-requires');
|
|
const json5 = require('json5');
|
|
const path = require('path');
|
|
|
|
const babelRC =
|
|
json5.parse(
|
|
fs.readFileSync(
|
|
path.resolve(__dirname, 'react-packager', '.babelrc')));
|
|
|
|
function transform(src, filename, options) {
|
|
options = options || {};
|
|
|
|
const extraPlugins = ['external-helpers-2'];
|
|
const extraConfig = {
|
|
filename,
|
|
sourceFileName: filename,
|
|
};
|
|
|
|
const config = Object.assign({}, babelRC, extraConfig);
|
|
|
|
if (options.inlineRequires) {
|
|
extraPlugins.push(inlineRequires);
|
|
}
|
|
config.plugins = extraPlugins.concat(config.plugins);
|
|
|
|
// Manually resolve all default Babel plugins. babel.transform will attempt to resolve
|
|
// all base plugins relative to the file it's compiling. This makes sure that we're
|
|
// using the plugins installed in the react-native package.
|
|
config.plugins = config.plugins.map(function(plugin) {
|
|
// Normalise plugin to an array.
|
|
if (!Array.isArray(plugin)) {
|
|
plugin = [plugin];
|
|
}
|
|
// Only resolve the plugin if it's a string reference.
|
|
if (typeof plugin[0] === 'string') {
|
|
plugin[0] = require(`babel-plugin-${plugin[0]}`);
|
|
plugin[0] = plugin[0].__esModule ? plugin[0].default : plugin[0];
|
|
}
|
|
return plugin;
|
|
});
|
|
|
|
const result = babel.transform(src, Object.assign({}, babelRC, config));
|
|
|
|
return {
|
|
code: result.code
|
|
};
|
|
}
|
|
|
|
module.exports = function(data, callback) {
|
|
let result;
|
|
try {
|
|
result = transform(data.sourceCode, data.filename, data.options);
|
|
} catch (e) {
|
|
callback(e);
|
|
return;
|
|
}
|
|
|
|
callback(null, result);
|
|
};
|
|
|
|
// export for use in jest
|
|
module.exports.transform = transform;
|