react-native/local-cli/cli.js

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/**
* 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('../packager/babelRegisterOnly')([
/private-cli\/src/,
/local-cli/
]);
var bundle = require('./bundle/bundle');
var childProcess = require('child_process');
var Config = require('./util/Config');
var defaultConfig = require('./default.config');
var dependencies = require('./dependencies/dependencies');
var generate = require('./generate/generate');
var library = require('./library/library');
var link = require('./library/link');
var path = require('path');
var Promise = require('promise');
var runAndroid = require('./runAndroid/runAndroid');
var runIOS = require('./runIOS/runIOS');
var server = require('./server/server');
var TerminalAdapter = require('yeoman-environment/lib/adapter.js');
var yeoman = require('yeoman-environment');
var unbundle = require('./bundle/unbundle');
var upgrade = require('./upgrade/upgrade');
var fs = require('fs');
var gracefulFs = require('graceful-fs');
// graceful-fs helps on getting an error when we run out of file
// descriptors. When that happens it will enqueue the operation and retry it.
gracefulFs.gracefulify(fs);
var documentedCommands = {
'start': [server, 'starts the webserver'],
'bundle': [bundle, 'builds the javascript bundle for offline use'],
'unbundle': [unbundle, 'builds javascript as "unbundle" for offline use'],
'new-library': [library, 'generates a native library bridge'],
'link': [link, 'Adds a third-party library to your project. Example: react-native link awesome-camera'],
'android': [generateWrapper, 'generates an Android project for your app'],
'run-android': [runAndroid, 'builds your app and starts it on a connected Android emulator or device'],
'run-ios': [runIOS, 'builds your app and starts it on iOS simulator'],
'upgrade': [upgrade, 'upgrade your app\'s template files to the latest version; run this after ' +
'updating the react-native version in your package.json and running npm install']
};
var exportedCommands = {dependencies: dependencies};
Object.keys(documentedCommands).forEach(function(command) {
exportedCommands[command] = documentedCommands[command][0];
});
var undocumentedCommands = {
'init': [printInitWarning, ''],
};
var commands = Object.assign({}, documentedCommands, undocumentedCommands);
/**
* Parses the command line and runs a command of the CLI.
*/
function run() {
var args = process.argv.slice(2);
if (args.length === 0) {
printUsage();
}
var setupEnvScript = /^win/.test(process.platform)
? 'setup_env.bat'
: 'setup_env.sh';
childProcess.execFileSync(path.join(__dirname, setupEnvScript));
var command = commands[args[0]];
if (!command) {
console.error('Command `%s` unrecognized', args[0]);
printUsage();
return;
}
command[0](args, Config.get(__dirname, defaultConfig)).done();
}
function generateWrapper(args, config) {
return generate([
'--platform', 'android',
'--project-path', process.cwd(),
'--project-name', JSON.parse(
fs.readFileSync('package.json', 'utf8')
).name
], config);
}
function printUsage() {
console.log([
'Usage: react-native <command>',
'',
'Commands:'
].concat(Object.keys(documentedCommands).map(function(name) {
return ' - ' + name + ': ' + documentedCommands[name][1];
})).join('\n'));
process.exit(1);
}
// The user should never get here because projects are inited by
// using `react-native-cli` from outside a project directory.
function printInitWarning() {
return Promise.resolve().then(function() {
console.log([
'Looks like React Native project already exists in the current',
'folder. Run this command from a different folder or remove node_modules/react-native'
].join('\n'));
process.exit(1);
});
}
class CreateSuppressingTerminalAdapter extends TerminalAdapter {
constructor() {
super();
// suppress 'create' output generated by yeoman
this.log.create = function() {};
}
}
/**
* Creates the template for a React Native project given the provided
* parameters:
* - projectDir: templates will be copied here.
* - argsOrName: project name or full list of custom arguments to pass to the
* generator.
*/
function init(projectDir, argsOrName) {
console.log('Setting up new React Native app in ' + projectDir);
var env = yeoman.createEnv(
undefined,
undefined,
new CreateSuppressingTerminalAdapter()
);
env.register(
require.resolve(path.join(__dirname, 'generator')),
'react:app'
);
// argv is for instance
// ['node', 'react-native', 'init', 'AwesomeApp', '--verbose']
// args should be ['AwesomeApp', '--verbose']
var args = Array.isArray(argsOrName)
? argsOrName
: [argsOrName].concat(process.argv.slice(4));
var generator = env.create('react:app', {args: args});
generator.destinationRoot(projectDir);
generator.run();
}
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if (require.main === module) {
run();
}
module.exports = {
run: run,
init: init,
commands: exportedCommands
};