Method deleteLines

src/server/web/public/terminal.js:2984–2992

(e3)

            return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y, this._activeBuffer.scrollBottom), this._activeBuffer.x = 0, true;
          }
          deleteLines(e3) {
            this._restrictCursor();
            let t3 = e3.params[0] || 1;
            if (this._activeBuffer.y > this._activeBuffer.scrollBottom || this._activeBuffer.y < this._activeBuffer.scrollTop) return true;
            const i3 = this._activeBuffer.ybase + this._activeBuffer.y;
            let s3;
            for (s3 = this._bufferService.rows - 1 - this._activeBuffer.scrollBottom, s3 = this._bufferService.rows - 1 + this._activeBuffer.ybase - s3; t3--; ) this._activeBuffer.lines.splice(i3, 1), this._activeBuffer.lines.splice(s3, 0, this._activeBuffer.getBlankLine(this._eraseAttrData()));
            return this._dirtyRowTracker.markRangeDirty(this._activeBuffer.y, this._activeBuffer.scrollBottom), this._activeBuffer.x = 0, true;
          }
          insertChars(e3) {
            this._restrictCursor();
            const t3 = this._activeBuffer.lines.get(this._activeBuffer.ybase + this._activeBuffer.y);