Function main

tools/generate-package-tsconfigs.ts:80–137

()

}

async function main(): Promise<void> {
  const args = minimist<Args>(process.argv.slice(2))
  const dryRun = args['dry-run'] === true
  const workspaceRoot = getWorkspaceRoot(args)
  const header =
    '// Generated, DO NOT EDIT MANUALLY. To update, run "bazel run //:generate_package_tsconfigs"\n'

  process.stderr.write('Querying package tsconfig genrules...\n')

  const bazel = spawn(
    'bazel',
    ['query', TSCONFIG_QUERY, '--output=streamed_jsonproto'],
    {cwd: workspaceRoot, stdio: ['ignore', 'pipe', 'inherit']}
  )
  const rl = createInterface({input: bazel.stdout})

  const writes: Promise<void>[] = []
  let total = 0

  for await (const line of rl) {
    const result = parseTsconfigLine(line)
    if (!result) {
      continue
    }

    total++

    if (dryRun) {
      process.stdout.write(`Would write: ${result.path}\n`)
    } else {
      const fullPath = join(workspaceRoot, result.path)
      const json = result.content.endsWith('\n')
        ? result.content
        : `${result.content}\n`
      writes.push(outputFile(fullPath, header + json))
    }
  }

  const exitCode = await new Promise<number | null>((resolve, reject) => {
    bazel.on('error', reject)
    bazel.on('close', code => resolve(code))
  })

  if (exitCode !== 0) {
    process.stderr.write(`bazel query failed with exit code ${exitCode}\n`)
    process.exit(exitCode ?? 1)
  }

  if (total === 0) {
    process.stderr.write('No package tsconfig genrules found\n')
    process.exit(1)
  }

  await Promise.all(writes)

  const action = dryRun ? 'Would write' : 'Wrote'
  process.stderr.write(`${action} ${total} tsconfig files\n`)
}