Method deleteChars

src/common/InputHandler.ts:1407–1419

* CSI Ps P * Delete Ps Character(s) (default = 1) (DCH). * * @vt: #Y CSI DCH "Delete Character" "CSI Ps P" "Delete `Ps` characters (default=1)." * As characters are deleted, the remaining characters between the cursor and right margin move to * the left. Character attributes move

(params: IParams)

   * FIXME: check against xterm - should not work outside of scroll margins (see VT520 manual)
   */
  public deleteChars(params: IParams): boolean {
    this._restrictCursor();
    const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);
    if (line) {
      line.deleteCells(
        this._activeBuffer.x,
        params.params[0] || 1,
        this._activeBuffer.getNullCell(this._eraseAttrData())
      );
      this._dirtyRowTracker.markDirty(this._activeBuffer.y);
    }
    return true;
  }

  /**
   * CSI Ps S  Scroll up Ps lines (default = 1) (SU).