Function execSync

lib/child_process.js:989–1004

* Spawns a shell executing the given `command` synchronously. * @param {string} command * @param {{ * cwd?: string | URL; * input?: string | Buffer | TypedArray | DataView; * stdio?: string | Array; * env?: Record ; * shell?: string; * uid?: number; * gid?: numb

(command, options)

 * @returns {Buffer | string}
 */
function execSync(command, options) {
  const opts = normalizeExecArgs(command, options, null);
  const inheritStderr = !opts.options.stdio;

  const ret = spawnSync(opts.file, opts.options);

  if (inheritStderr && ret.stderr)
    process.stderr.write(ret.stderr);

  const err = checkExecSyncError(ret, undefined, command);

  if (err)
    throw err;

  return ret.stdout;
}


function validateArgumentNullCheck(arg, propName) {