Method clearLine

lib/internal/readline/promises.js:93–103

* Clears the current line the cursor is on. * @param {-1|0|1} dir Direction to clear: * -1 for left of the cursor * +1 for right of the cursor * 0 for the entire line * @returns {Readline} this

(dir)

   * @returns {Readline} this
   */
  clearLine(dir) {
    validateInteger(dir, 'dir', -1, 1);

    const data =
      dir < 0 ? kClearToLineBeginning :
        dir > 0 ? kClearToLineEnd :
          kClearLine;
    if (this.#autoCommit) process.nextTick(() => this.#stream.write(data));
    else ArrayPrototypePush(this.#todo, data);
    return this;
  }

  /**
   * Clears the screen from the current position of the cursor down.