Function useElements

packages/joint-react/src/hooks/use-elements.ts:59–78

(
  selector: (
    items: CellMap<Elements>
  ) => SelectorReturnType = defaultSelector as () => SelectorReturnType,
  isEqual: (a: SelectorReturnType, b: SelectorReturnType) => boolean = util.isEqual
)

 * @returns - The selected elements.
 */
export function useElements<
  Elements extends GraphElement = GraphElement,
  SelectorReturnType = Elements[],
>(
  selector: (
    items: CellMap<Elements>
  ) => SelectorReturnType = defaultSelector as () => SelectorReturnType,
  isEqual: (a: SelectorReturnType, b: SelectorReturnType) => boolean = util.isEqual
): SelectorReturnType {
  const { subscribe, getElements } = useGraphStore();
  const typedGetElements = getElements as () => CellMap<Elements>;
  const elements = useSyncExternalStoreWithSelector(
    subscribe,
    typedGetElements,
    typedGetElements,
    selector,
    isEqual
  );
  return elements;
}