function createApp()

in packages/create-react-kotlin-app/createReactApp.js [138:195]

• 51 lines of code
• 8 McCabe index (conditional complexity)

function createApp(name, verbose, version, template) {
  const root = path.resolve(name);
  const appName = path.basename(root);

  checkAppName(appName);
  fs.ensureDirSync(name);
  if (!isSafeToCreateProjectIn(root)) {
    console.log(
      `The directory ${chalk.green(name)} contains files that could conflict.`
    );
    console.log('Try using a new directory name.');
    process.exit(1);
  }

  console.log(`Creating a new React Kotlin app in ${chalk.green(root)}.`);
  console.log();

  const packageJson = {
    name: appName,
    version: '0.1.0',
    private: true,
  };
  fs.writeFileSync(
    path.join(root, 'package.json'),
    JSON.stringify(packageJson, null, 2)
  );
  const originalDirectory = process.cwd();
  process.chdir(root);

  if (!semver.satisfies(process.version, '>=6.0.0')) {
    console.log(
      chalk.yellow(
        `You are using Node ${process.version} so the project will be boostrapped with an old unsupported version of tools.\n\n` +
          `Please update to Node 6 or higher for a better, fully supported experience.\n`
      )
    );
    // Fall back to latest supported react-scripts on Node 4
    version = 'react-scripts@0.9.x';
  }

  const useYarn = shouldUseYarn();
  if (!useYarn) {
    const npmInfo = checkNpmVersion();
    if (!npmInfo.hasMinNpm) {
      if (npmInfo.npmVersion) {
        console.log(
          chalk.yellow(
            `You are using npm ${npmInfo.npmVersion} so the project will be boostrapped with an old unsupported version of tools.\n\n` +
              `Please update to npm 3 or higher for a better, fully supported experience.\n`
          )
        );
      }
      // Fall back to latest supported react-scripts for npm 3
      version = 'react-scripts@0.9.x';
    }
  }
  run(root, appName, version, verbose, originalDirectory, template, useYarn);
}