writeStream.clearLine(dir[, callback])

版本历史
版本变更
v12.7.0

流的 write() 回调和返回值是公开的。

v0.7.7

新增于: v0.7.7

  • dir <number>

    • -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

  • callback <Function> 操作完成后调用。

    ¥callback <Function> Invoked once the operation completes.

  • 返回：<boolean> false 如果流希望调用代码在继续写入附加数据之前等待 'drain' 事件触发；否则 true。

    ¥Returns: <boolean> false if the stream wishes for the calling code to wait for the 'drain' event to be emitted before continuing to write additional data; otherwise true.

writeStream.clearLine() 在 dir 标识的方向上清除此 WriteStream 的当前行。

¥writeStream.clearLine() clears the current line of this WriteStream in a direction identified by dir.