@mui/x-tree-view/internals/plugins/items/utils.d.mts

The community edition of the MUI X Tree View components.

import type { TreeViewValidItem, TreeViewItemId } from "../../../models/index.mjs";
import type { TreeViewItemMeta } from "../../models/index.mjs";
import type { MinimalTreeViewParameters } from "../../MinimalTreeViewStore/index.mjs";
export declare const TREE_VIEW_ROOT_PARENT_ID = "__TREE_VIEW_ROOT_PARENT_ID__";
export declare const buildSiblingIndexes: (siblings: string[]) => {
  [itemId: string]: number;
};
/**
 * Check if an item is disabled.
 * This method should only be used in selectors that are checking if several items are disabled.
 * Otherwise, use the `itemsSelector.isItemDisabled` selector.
 * @returns
 */
export declare const isItemDisabled: (itemMetaLookup: {
  [itemId: string]: TreeViewItemMeta;
}, itemId: TreeViewItemId) => boolean;
export declare function buildItemsLookups<R extends TreeViewValidItem<R>>(parameters: BuildItemsLookupsParameters<R>): {
  metaLookup: {
    [itemId: string]: TreeViewItemMeta;
  };
  modelLookup: {
    [itemId: string]: R;
  };
  orderedChildrenIds: string[];
  childrenIndexes: {
    [itemId: string]: number;
  };
  itemsChildren: {
    id: string | null;
    children: R[];
  }[];
};
/**
 * Builds the items lookups for a tree of items, recursing into the children of each item.
 * The returned lookups only contain the items passed to this method.
 */
export declare function buildItemsLookupsRecursively<R extends TreeViewValidItem<R>>(parameters: BuildItemsLookupsRecursivelyParameters<R>): {
  itemMetaLookup: {
    [itemId: string]: TreeViewItemMeta;
  };
  itemModelLookup: {
    [itemId: string]: R;
  };
  itemOrderedChildrenIdsLookup: {
    [parentItemId: string]: string[];
  };
  itemChildrenIndexesLookup: {
    [parentItemId: string]: {
      [itemId: string]: number;
    };
  };
};
interface BuildItemsLookupsRecursivelyParameters<R extends TreeViewValidItem<R>> extends Omit<BuildItemsLookupsParameters<R>, 'otherItemsMetaLookup'> {
  /**
   * The meta of the items already present in the tree, used to detect duplicated ids.
   */
  existingItemMetaLookup?: {
    [itemId: string]: TreeViewItemMeta;
  };
}
interface BuildItemsLookupsParameters<R extends TreeViewValidItem<R>> {
  items: readonly R[];
  storeParameters: Pick<MinimalTreeViewParameters<R, any>, 'getItemId' | 'getItemLabel' | 'getItemChildren' | 'isItemDisabled' | 'isItemSelectionDisabled'>;
  parentId: string | null;
  depth: number;
  isItemExpandable: (item: R, children: R[] | undefined) => boolean;
  otherItemsMetaLookup: {
    [itemId: string]: TreeViewItemMeta;
  };
}
export {};