rl.getCursorPos()

• 返回：<Object>
  • rows <number> 光标当前所在的提示行
  • cols <number> 光标当前所在的屏幕列

返回光标相对于输入提示符 + 字符串的实际位置。计算中包括长输入（换行）字符串以及多行提示符。

【Returns the real position of the cursor in relation to the input prompt + string. Long input (wrapping) strings, as well as multiple line prompts are included in the calculations.】