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init.js 4.09 KiB
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/**
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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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var fs = require('fs-extra');
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var path = require('path');
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var spawn = require('cross-spawn');
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var pathExists = require('path-exists');
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var chalk = require('chalk');
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module.exports = function(appPath, appName, verbose, originalDirectory) {
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  var ownPackageName = require(path.join(__dirname, '..', 'package.json')).name;
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  var ownPath = path.join(appPath, 'node_modules', ownPackageName);
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  var appPackage = require(path.join(appPath, 'package.json'));
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  // Copy over some of the devDependencies
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  appPackage.dependencies = appPackage.dependencies || {};
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  appPackage.devDependencies = appPackage.devDependencies || {};
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  // Setup the script rules
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  appPackage.scripts = {
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    'start': ownPackageName + ' start',
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    'build': ownPackageName + ' build',
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    'test': ownPackageName + ' test --env=jsdom',
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    'eject': ownPackageName + ' eject'
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  };
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  fs.writeFileSync(
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    path.join(appPath, 'package.json'),
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    JSON.stringify(appPackage, null, 2)
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  );
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  var readmeExists = pathExists.sync(path.join(appPath, 'README.md'));
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  if (readmeExists) {
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    fs.renameSync(path.join(appPath, 'README.md'), path.join(appPath, 'README.old.md'));
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  }
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  // Copy the files for the user
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  fs.copySync(path.join(ownPath, 'template'), appPath);
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  // Rename gitignore after the fact to prevent npm from renaming it to .npmignore
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  // See: https://github.com/npm/npm/issues/1862
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  fs.move(path.join(appPath, 'gitignore'), path.join(appPath, '.gitignore'), [], function (err) {
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    if (err) {
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      // Append if there's already a `.gitignore` file there
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      if (err.code === 'EEXIST') {
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        var data = fs.readFileSync(path.join(appPath, 'gitignore'));
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        fs.appendFileSync(path.join(appPath, '.gitignore'), data);
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        fs.unlinkSync(path.join(appPath, 'gitignore'));
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      } else {
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        throw err;
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      }
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    }
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  });
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  // Run another npm install for react and react-dom
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  console.log('Installing react and react-dom from npm...');
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  console.log();
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  // TODO: having to do two npm installs is bad, can we avoid it?
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  var args = [
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    'install',
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    'react',
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    'react-dom',
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    '--save',
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    verbose && '--verbose'
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].filter(function(e) { return e; }); var proc = spawn('npm', args, {stdio: 'inherit'}); proc.on('close', function (code) { if (code !== 0) { console.error('`npm ' + args.join(' ') + '` failed'); return; } // Display the most elegant way to cd. // This needs to handle an undefined originalDirectory for // backward compatibility with old global-cli's. var cdpath; if (originalDirectory && path.join(originalDirectory, appName) === appPath) { cdpath = appName; } else { cdpath = appPath; } console.log(); console.log('Success! Created ' + appName + ' at ' + appPath + '.'); console.log('Inside that directory, you can run several commands:'); console.log(); console.log(chalk.cyan(' npm start')); console.log(' Starts the development server.'); console.log(); console.log(chalk.cyan(' npm run build')); console.log(' Bundles the app into static files for production.'); console.log(); console.log(chalk.cyan(' npm test')); console.log(' Starts the test runner.'); console.log(); console.log(chalk.cyan(' npm run eject')); console.log(' Removes this tool and copies build dependencies, configuration files'); console.log(' and scripts into the app directory. If you do this, you can’t go back!'); console.log(); console.log('We suggest that you begin by typing:'); console.log(); console.log(chalk.cyan(' cd'), cdpath); console.log(' ' + chalk.cyan('npm start')); if (readmeExists) { console.log(); console.log(chalk.yellow('You had a `README.md` file, we renamed it to `README.old.md`')); } console.log(); console.log('Happy hacking!'); }); };