export function extractTarTask()

in packages/just-scripts/src/tasks/tarTask.ts [133:167]

• 26 lines of code
• 3 McCabe index (conditional complexity)

export function extractTarTask(options: ExtractOptions = { file: 'archive.tar.gz' }): TaskFunction {
  const resolvedTar = resolve('tar-fs');

  // Inject default options
  options = { cwd: process.cwd(), gzip: true, ...options };

  // Validate whether tar-fs is installed
  if (!resolvedTar) {
    logger.error('Please make sure to have "tar-fs" as a dependency in your package.json');
    throw new Error('Required dependency "tar-fs" is not installed!');
  }

  const tar = require(resolvedTar);

  const { cwd, file, ...restOptions } = options;

  return function extract(done) {
    let tarStream: Stream = createReadStream(file);

    if (options.gzip) {
      const gunzip = createGunzip();
      tarStream = tarStream.pipe(gunzip);
    }

    tarStream = tarStream.pipe(
      tar.extract(cwd, {
        finalize: true,
        finish: () => {
          done();
        },
        ...restOptions,
      }),
    );
  };
}