@mui/x-data-grid-pro/esm/hooks/features/serverSideTreeData/utils.js

The Pro plan edition of the MUI X Data Grid components.

import { GRID_ROOT_GROUP_ID } from '@mui/x-data-grid';
import { defaultGridFilterLookup, getTreeNodeDescendants } from '@mui/x-data-grid/internals';
export function skipFiltering(rowTree) {
  const filteredChildrenCountLookup = {};
  const nodes = Object.values(rowTree);
  for (let i = 0; i < nodes.length; i += 1) {
    const node = nodes[i];
    filteredChildrenCountLookup[node.id] = node.serverChildrenCount ?? 0;
  }
  return {
    filteredRowsLookup: defaultGridFilterLookup.filteredRowsLookup,
    filteredChildrenCountLookup,
    filteredDescendantCountLookup: defaultGridFilterLookup.filteredDescendantCountLookup
  };
}
export function skipSorting(rowTree) {
  return getTreeNodeDescendants(rowTree, GRID_ROOT_GROUP_ID, false);
}

/**
 * Retrieves the parent path for a row from the previous tree state.
 * Used during full tree updates to maintain correct hierarchy.
 *
 * Uses the parent node's `path` property, which stores the group keys
 * representing the full path to the parent (i.e. the keys used to fetch the current node).
 */
export function getParentPath(rowId, treeCreationParams) {
  if (treeCreationParams.updates.type !== 'full' || !treeCreationParams.previousTree?.[rowId] || treeCreationParams.previousTree[rowId].depth < 1) {
    return [];
  }
  const node = treeCreationParams.previousTree[rowId];
  const parentId = node.parent;
  if (parentId == null) {
    return [];
  }
  const parentNode = treeCreationParams.previousTree[parentId];
  if (parentNode && 'path' in parentNode) {
    return parentNode.path || [];
  }
  return [];
}