run bat in child process nodejs

  let arg = ['/c', 'abs:/path/what.bat']

  let result = spawn('cmd', arg, {
    stdio: 'pipe',
    encoding: 'utf-8',
    maxBuffer: 100 * 1024 * 1024
  })
  let sout = String(result.stdout)
  let serr = String(result.stderr)
  let scode = result.status
  let er = result.error