Method _itemRemoving

src/gridstack.ts:2683–2689

@internal mark item for removal

(el: GridItemHTMLElement, remove: boolean)

  /** @internal mark item for removal */
  private static _itemRemoving(el: GridItemHTMLElement, remove: boolean) {
    if (!el) return;
    const node = el ? el.gridstackNode : undefined;
    if (!node?.grid || el.classList.contains(node.grid.opts.removableOptions.decline)) return;
    remove ? node._isAboutToRemove = true : delete node._isAboutToRemove;
    remove ? el.classList.add('grid-stack-item-removing') : el.classList.remove('grid-stack-item-removing');
  }

  /** @internal called to setup a trash drop zone if the user specifies it */
  protected _setupRemoveDrop(): GridStack {