rl.clearLine(dir)

• dir <integer>

  • -1：从光标向左

    ¥-1: to the left from cursor

  • 1：从光标向右

    ¥1: to the right from cursor

  • 0：整行

    ¥0: the entire line

• 返回：自身

  ¥Returns: this

rl.clearLine() 方法在待处理动作的内部列表中添加一个动作，该动作在 dir 标识的指定方向上清除关联 stream 的当前行。调用 rl.commit() 看看这个方法的效果，除非 autoCommit: true 传给了构造函数。

¥The rl.clearLine() method adds to the internal list of pending action an action that clears current line of the associated stream in a specified direction identified by dir. Call rl.commit() to see the effect of this method, unless autoCommit: true was passed to the constructor.