code: function spawnCommandWithKill(...args) {
    const child = spawnCommand(...args)
    child.kill = kill.bind(child)
    return child
  }
docs: Launches a new process with the given command.
  This is almost same as `child_process.spawn`.
  
  This returns a `ChildProcess` instance.
  `kill` method of the instance kills the new process and its sub processes.
  
  @param {string} command - The command to run.
  @param {string[]} args - List of string arguments.
  @param {object} options - Options.
  @returns {ChildProcess} A ChildProcess instance of new process.
  @private