1. /**
    
  2.  * Copyright (c) Meta Platforms, Inc. and affiliates.
    
  3.  *
    
  4.  * This source code is licensed under the MIT license found in the
    
  5.  * LICENSE file in the root directory of this source tree.
    
  6.  */
    
  7. 
    
  8. 'use strict';
    
  9. 
    
  10. const fs = require('fs');
    
  11. const ReactVersionSrc = fs.readFileSync(
    
  12.   require.resolve('../../packages/shared/ReactVersion')
    
  13. );
    
  14. const reactVersion = /export default '([^']+)';/.exec(ReactVersionSrc)[1];
    
  15. 
    
  16. const versions = {
    
  17.   'packages/react/package.json': require('../../packages/react/package.json')
    
  18.     .version,
    
  19.   'packages/react-dom/package.json':
    
  20.     require('../../packages/react-dom/package.json').version,
    
  21.   'packages/react-test-renderer/package.json':
    
  22.     require('../../packages/react-test-renderer/package.json').version,
    
  23.   'packages/shared/ReactVersion.js': reactVersion,
    
  24. };
    
  25. 
    
  26. let allVersionsMatch = true;
    
  27. Object.keys(versions).forEach(function (name) {
    
  28.   const version = versions[name];
    
  29.   if (version !== reactVersion) {
    
  30.     allVersionsMatch = false;
    
  31.     console.log(
    
  32.       '%s version does not match package.json. Expected %s, saw %s.',
    
  33.       name,
    
  34.       reactVersion,
    
  35.       version
    
  36.     );
    
  37.   }
    
  38. });
    
  39. 
    
  40. if (!allVersionsMatch) {
    
  41.   process.exit(1);
    
  42. }