metro/checkNodeVersion.js

41 lines
1.3 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.
*/
'use strict';
var chalk = require('chalk');
var semver = require('semver');
var formatBanner = require('./formatBanner');
function checkNodeVersion() {
if (!semver.satisfies(process.version, '>=4')) {
var engine = semver.satisfies(process.version, '<1 >=4') ? 'Node' : 'io.js';
var message = 'You are currently running ' + engine + ' ' +
process.version + '.\n' +
'\n' +
'React Native runs on Node 4.0 or newer. There are several ways to ' +
'upgrade Node.js depending on your preference.\n' +
'\n' +
'nvm: nvm install node && nvm alias default node\n' +
'Homebrew: brew unlink iojs; brew install node\n' +
'Installer: download the Mac .pkg from https://nodejs.org/\n' +
'\n' +
'About Node.js: https://nodejs.org\n' +
'Follow along at: https://github.com/facebook/react-native/issues/2545';
console.log(formatBanner(message, {
chalkFunction: chalk.green,
marginLeft: 1,
marginRight: 1,
paddingBottom: 1,
}));
}
}
module.exports = checkNodeVersion;