Function spawnSync

lib/child_process.js:867–913

* Spawns a new process synchronously using the given `file`. * @param {string} file * @param {string[]} [args] * @param {{ * cwd?: string | URL; * input?: string | Buffer | TypedArray | DataView; * argv0?: string; * stdio?: string | Array; * env?: Record ; * uid?:

(file, args, options)

 *   }}
 */
function spawnSync(file, args, options) {
  options = {
    __proto__: null,
    maxBuffer: MAX_BUFFER,
    ...normalizeSpawnArguments(file, args, options),
  };

  debug('spawnSync', options);

  // Validate the timeout, if present.
  validateTimeout(options.timeout);

  // Validate maxBuffer, if present.
  validateMaxBuffer(options.maxBuffer);

  // Validate and translate the kill signal, if present.
  options.killSignal = sanitizeKillSignal(options.killSignal);

  options.stdio = getValidStdio(options.stdio || 'pipe', true).stdio;

  if (options.input) {
    const stdin = options.stdio[0] = { ...options.stdio[0] };
    stdin.input = options.input;
  }

  // We may want to pass data in on any given fd, ensure it is a valid buffer
  for (let i = 0; i < options.stdio.length; i++) {
    const input = options.stdio[i]?.input;
    if (input != null) {
      const pipe = options.stdio[i] = { ...options.stdio[i] };
      if (isArrayBufferView(input)) {
        pipe.input = input;
      } else if (typeof input === 'string') {
        pipe.input = Buffer.from(input, options.encoding);
      } else {
        throw new ERR_INVALID_ARG_TYPE(`options.stdio[${i}]`,
                                       ['Buffer',
                                        'TypedArray',
                                        'DataView',
                                        'string'],
                                       input);
      }
    }
  }

  return child_process.spawnSync(options);
}


function checkExecSyncError(ret, args, cmd) {