@mui/x-tree-view/internals/plugins/useTreeViewLazyLoading/useTreeViewLazyLoading.selectors.d.ts

The community edition of the MUI X Tree View components.

import { TreeViewItemId } from "../../../models/index.js";
import { UseTreeViewLazyLoadingSignature } from "./useTreeViewLazyLoading.types.js";
import { TreeViewState } from "../../models/index.js";
export declare const lazyLoadingSelectors: {
  /**
   * Gets the data source used to lazy load items.
   */
  dataSource: (state: TreeViewState<[], [UseTreeViewLazyLoadingSignature]>) => {
    loading: Record<TreeViewItemId, boolean>;
    errors: Record<TreeViewItemId, Error | null>;
  } | undefined;
  /**
   * Checks whether an item is loading.
   */
  isItemLoading: (state: TreeViewState<[], [UseTreeViewLazyLoadingSignature]>, itemId: string | null) => boolean;
  /**
   * Checks whether an item has errors.
   */
  itemHasError: (state: TreeViewState<[], [UseTreeViewLazyLoadingSignature]>, itemId: string | null) => boolean;
  /**
   * Get an item error.
   */
  itemError: (state: TreeViewState<[], [UseTreeViewLazyLoadingSignature]>, itemId: string | null) => Error | null | undefined;
};