Method dragIn

src/dd-gridstack.ts:147–150

(el: GridStackElement, opts: DDDragOpt)

  }

  public dragIn(el: GridStackElement, opts: DDDragOpt): DDGridStack {
    this._getDDElements(el).forEach(dEl => dEl.setupDraggable(opts));
    return this;
  }

  public droppable(el: GridItemHTMLElement, opts: DDOpts | DDDropOpt, key?: DDKey, value?: DDValue): DDGridStack {
    if (typeof opts.accept === 'function' && !opts._accept) {