react-native/local-cli/init/init.js

114 lines
3.8 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';
const copyProjectTemplateAndReplace = require('../generator/copyProjectTemplateAndReplace');
const execSync = require('child_process').execSync;
const fs = require('fs');
const minimist = require('minimist');
const path = require('path');
const printRunInstructions = require('../generator/printRunInstructions');
const process = require('process');
const yarn = require('../util/yarn');
/**
* Creates the template for a React Native project given the provided
* parameters:
* @param projectDir Templates will be copied here.
* @param argsOrName Project name or full list of custom arguments
* for the generator.
*/
function init(projectDir, argsOrName) {
console.log('Setting up new React Native app in ' + projectDir);
const args = Array.isArray(argsOrName)
? argsOrName // argsOrName was e.g. ['AwesomeApp', '--verbose']
: [argsOrName].concat(process.argv.slice(4)); // argsOrName was e.g. 'AwesomeApp'
// args array is e.g. ['AwesomeApp', '--verbose']
if (!args || args.length === 0) {
console.error('react-native init requires a project name.');
return;
}
const newProjectName = args[0];
const options = minimist(args);
generateProject(projectDir, newProjectName, options);
}
/**
* Generates a new React Native project based on the template.
* @param Absolute path at which the project folder should be created.
* @param options Command line arguments parsed by minimist.
*/
function generateProject(destinationRoot, newProjectName, options) {
var reactNativePackageJson = require('../../package.json');
var { peerDependencies } = reactNativePackageJson;
if (!peerDependencies) {
console.error('Missing React peer dependency in React Native\'s package.json. Aborting.');
return;
}
var reactVersion = peerDependencies.react;
if (!reactVersion) {
console.error('Missing React peer dependency in React Native\'s package.json. Aborting.');
return;
}
const yarnVersion =
(!options.npm) &&
yarn.getYarnVersionIfAvailable() &&
yarn.isGlobalCliUsingYarn(destinationRoot);
copyProjectTemplateAndReplace(
path.resolve('node_modules', 'react-native', 'local-cli', 'templates', 'HelloWorld'),
destinationRoot,
newProjectName
);
if (yarnVersion) {
console.log('Adding React...');
execSync(`yarn add react@${reactVersion}`, {stdio: 'inherit'});
} else {
console.log('Installing React...');
execSync(`npm install react@${reactVersion} --save --save-exact`, {stdio: 'inherit'});
}
if (!options['skip-jest']) {
const jestDeps = (
`jest babel-jest babel-preset-react-native react-test-renderer@${reactVersion}`
);
if (yarnVersion) {
console.log('Adding Jest...');
execSync(`yarn add ${jestDeps} --dev --exact`, {stdio: 'inherit'});
} else {
console.log('Installing Jest...');
execSync(`npm install ${jestDeps} --save-dev --save-exact`, {stdio: 'inherit'});
}
addJestToPackageJson(destinationRoot);
}
printRunInstructions(destinationRoot, newProjectName);
}
/**
* Add Jest-related stuff to package.json, which was created by the react-native-cli.
*/
function addJestToPackageJson(destinationRoot) {
var packageJSONPath = path.join(destinationRoot, 'package.json');
var packageJSON = JSON.parse(fs.readFileSync(packageJSONPath));
packageJSON.scripts.test = 'jest';
packageJSON.jest = {
preset: 'react-native'
};
fs.writeFileSync(packageJSONPath, JSON.stringify(packageJSON, null, '\t'));
}
module.exports = init;