Method isAreaEmpty

src/gridstack.ts:1228–1230

* Checks if the specified rectangular area is empty (no widgets occupy any part of it). * * @param x the x coordinate (column) of the area to check * @param y the y coordinate (row) of the area to check * @param w the width in columns of the area to check * @param h the height in rows

(x: number, y: number, w: number, h: number)

   * }
   */
  public isAreaEmpty(x: number, y: number, w: number, h: number): boolean {
    return this.engine.isAreaEmpty(x, y, w, h);
  }

  /**
   * If you add elements to your grid by hand (or have some framework creating DOM), you have to tell gridstack afterwards to make them widgets.