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6961fd23ba
Summary: This separates the babel config of the local-cli and the packager from the one used by the transforms of the packager since it doesn't run in the same environment and the local-cli/packager doesn't require react specific transforms and runs in node 4 so we can also avoid some es2015 transforms that node already supports. I had to move the code in cli.js so it can still run in node 0.12 that doesn't support `const` since it is no longer transformed. **Test plan** Run the local-cli on node 0.12 and there should be a message saying that it requires at least node 4. Run the local-cli on node 4 and 5 and everything should work the same as before. I was also hoping for some perf gains but there was nothing noticeable. I did benchmark the babel-register call and it stayed pretty much the same. As for runtime performance it can help if there are optimisations for es2015 features in node. Closes https://github.com/facebook/react-native/pull/6155 Reviewed By: bestander Differential Revision: D3301008 Pulled By: davidaurelio fbshipit-source-id: 504180d158a1e50bc03e28fb0d1e53d0731ce32f
42 lines
1.3 KiB
JavaScript
42 lines
1.3 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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'use strict';
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var chalk = require('chalk');
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var formatBanner = require('./formatBanner');
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var semver = require('semver');
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module.exports = function() {
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if (!semver.satisfies(process.version, '>=4')) {
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var engine = semver.satisfies(process.version, '<1')
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? 'Node'
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: 'io.js';
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var message = 'You are currently running ' + engine + ' ' +
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process.version + '.\n' +
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'\n' +
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'React Native runs on Node 4.0 or newer. There are several ways to ' +
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'upgrade Node.js depending on your preference.\n' +
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'\n' +
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'nvm: nvm install node && nvm alias default node\n' +
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'Homebrew: brew unlink iojs; brew install node\n' +
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'Installer: download the Mac .pkg from https://nodejs.org/\n' +
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'\n' +
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'About Node.js: https://nodejs.org\n' +
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'Follow along at: https://github.com/facebook/react-native/issues/2545';
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console.log(formatBanner(message, {
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chalkFunction: chalk.green,
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marginLeft: 1,
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marginRight: 1,
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paddingBottom: 1,
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}));
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process.exit(1);
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}
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};
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