77 lines
2.1 KiB
JavaScript
77 lines
2.1 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* Note: This is a fork of the fb-specific transform.js
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*/
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'use strict';
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const babel = require('babel-core');
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const fs = require('fs');
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const inlineRequires = require('fbjs-scripts/babel-6/inline-requires');
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const json5 = require('json5');
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const path = require('path');
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const babelRC =
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json5.parse(
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fs.readFileSync(
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path.resolve(__dirname, 'react-packager', '.babelrc')));
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function transform(src, filename, options) {
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options = options || {};
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const extraPlugins = ['external-helpers-2'];
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const extraConfig = {
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filename,
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sourceFileName: filename,
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};
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const config = Object.assign({}, babelRC, extraConfig);
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if (options.inlineRequires) {
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extraPlugins.push(inlineRequires);
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}
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config.plugins = extraPlugins.concat(config.plugins);
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// Manually resolve all default Babel plugins. babel.transform will attempt to resolve
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// all base plugins relative to the file it's compiling. This makes sure that we're
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// using the plugins installed in the react-native package.
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config.plugins = config.plugins.map(function(plugin) {
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// Normalise plugin to an array.
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if (!Array.isArray(plugin)) {
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plugin = [plugin];
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}
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// Only resolve the plugin if it's a string reference.
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if (typeof plugin[0] === 'string') {
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plugin[0] = require(`babel-plugin-${plugin[0]}`);
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plugin[0] = plugin[0].__esModule ? plugin[0].default : plugin[0];
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}
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return plugin;
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});
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const result = babel.transform(src, Object.assign({}, babelRC, config));
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return {
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code: result.code
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};
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}
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module.exports = function(data, callback) {
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let result;
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try {
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result = transform(data.sourceCode, data.filename, data.options);
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} catch (e) {
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callback(e);
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return;
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}
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callback(null, result);
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};
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// export for use in jest
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module.exports.transform = transform;
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