code: function findCreateReactApp() {
      var done = this.async();
      var spinner = ora('Finding create-react-app').start();
  
      checkCommmand('create-react-app', function (isInstalled) {
        if (!isInstalled) {
          spinner.fail('Missing create-react-app - \'npm install -g create-react-app\'');
          process.exit(1);
        }
  
        spinner.succeed('Found create-react-app');
        done();
      });
    }
docs: Check for react-native.