Function collectCliMdEnvVarNames

test/parallel/test-cli-node-cli-manpage-env-vars.mjs:57–96

()

}

async function collectCliMdEnvVarNames() {
  const cliMdPath = join(rootDir, 'doc', 'api', 'cli.md');
  const fileStream = createReadStream(cliMdPath);

  let insideEnvVariablesSection = false;

  const rl = createInterface({
    input: fileStream,
  });

  const envVariableRE = /^### `(?<varName>[^`]*?)(?:=[^`]+)?`$/;

  const envVarNames = new Set();

  for await (const line of rl) {
    if (line.startsWith('## ')) {
      if (insideEnvVariablesSection) {
        // We were in the environment variables section and we're now exiting it,
        // so there is no need to keep checking the remaining lines,
        // we might as well close the stream and return
        fileStream.close();
        return envVarNames;
      }

      // We've just entered the options section
      insideEnvVariablesSection = line === '## Environment variables';
      continue;
    }

    if (insideEnvVariablesSection) {
      const match = line.match(envVariableRE);
      if (match) {
        const { varName } = match.groups;
        envVarNames.add(varName);
      }
    }
  }

  return envVarNames;
}