Function tarDirectory

packages/aws-lambda/src/s3Transport.ts:113–119

(sourceDir: string, destTarball: string)

 * userland tools and does NOT include `tar` in `/usr/bin`.
 */
export async function tarDirectory(sourceDir: string, destTarball: string): Promise<void> {
  if (!existsSync(sourceDir) || !statSync(sourceDir).isDirectory()) {
    throw new Error(`[s3Transport] tar source must be an existing directory: ${sourceDir}`);
  }
  mkdirSync(dirname(destTarball), { recursive: true });
  await tar.create({ gzip: true, file: destTarball, cwd: sourceDir }, ["."]);
}

/**
 * Extract a `.tar.gz` produced by {@link tarDirectory} into `destDir`.