updatePlaceholderReactVersionInCompiledArtifacts() — react Function Reference

Source Code

scripts/rollup/build-all-release-channels.js lines 461–492

function updatePlaceholderReactVersionInCompiledArtifacts(
  artifactsDirectory,
  newVersion,
  filteringClosure
) {
  // Update the version of React in the compiled artifacts by searching for
  // the placeholder string and replacing it with a new one.
  if (filteringClosure == null) {
    filteringClosure = filename => filename.endsWith('.js');
  }

  const artifactFilenames = String(
    spawnSync('grep', [
      '-lr',
      PLACEHOLDER_REACT_VERSION,
      '--',
      artifactsDirectory,
    ]).stdout
  )
    .trim()
    .split('\n')
    .filter(filteringClosure);

  for (const artifactFilename of artifactFilenames) {
    const originalText = fs.readFileSync(artifactFilename, 'utf8');
    const replacedText = originalText.replaceAll(
      PLACEHOLDER_REACT_VERSION,
      newVersion
    );
    fs.writeFileSync(artifactFilename, replacedText);
  }
}