Method cursorDown

src/common/InputHandler.ts:920–929

* CSI Ps B * Cursor Down Ps Times (default = 1) (CUD). * * @vt: #Y CSI CUD "Cursor Down" "CSI Ps B" "Move cursor `Ps` times down (default=1)." * If the cursor would pass the bottom scroll margin, it will stop there.

(params: IParams)

   * If the cursor would pass the bottom scroll margin, it will stop there.
   */
  public cursorDown(params: IParams): boolean {
    // stop at scrollBottom
    const diffToBottom = this._activeBuffer.scrollBottom - this._activeBuffer.y;
    if (diffToBottom >= 0) {
      this._moveCursor(0, Math.min(diffToBottom, params.params[0] || 1));
    } else {
      this._moveCursor(0, params.params[0] || 1);
    }
    return true;
  }

  /**
   * CSI Ps C