text: #!/usr/bin/env node
  /**
   * 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';
  
  var spawn = require('cross-spawn');
  var script = process.argv[2];
  var args = process.argv.slice(3);
  
  switch (script) {
    case 'build':
    case 'eject':
    case 'start':
    case 'test':
      var result = spawn.sync(
        'node',
        [require.resolve(`${process.cwd()}/structure.js`)].concat(script),
        { stdio: 'inherit' }
      );
      if (result.signal) {
        if (result.signal === 'SIGKILL') {
          console.log(
            'The build failed because the process exited too early. ' +
              'This probably means the system ran out of memory or someone called ' +
              '`kill -9` on the process.'
          );
        } else if (result.signal === 'SIGTERM') {
          console.log(
            'The build failed because the process exited too early. ' +
              'Someone might have called `kill` or `killall`, or the system could ' +
              'be shutting down.'
          );
        }
        process.exit(1);
      }
      process.exit(result.status);
      break;
    default:
      console.log(`Unknown script "${script}"`);
      console.log('Perhaps you need to update react-scripts?');
      console.log(
        'See: https://github.com/facebookincubator/create-react-app/blob/master/packages/react-scripts/template/README.md#updating-to-new-releases'
      );
      break;
  }
  