Latest changes

src/Griddy/core/GriddyStore.ts

@@ -20,6 +20,7 @@ import type {
   PaginationConfig,
   SearchConfig,
   SelectionConfig,
+  TreeConfig,
 } from './types';
 
 // ─── Store State ─────────────────────────────────────────────────────────────
@@ -85,6 +86,12 @@ export interface GriddyStoreState extends GriddyUIState {
 
   showToolbar?: boolean;
   sorting?: SortingState;
+  // ─── Tree/Hierarchical Data ───
+  tree?: TreeConfig<any>;
+  treeLoadingNodes: Set<string>;
+  treeChildrenCache: Map<string, any[]>;
+  setTreeLoadingNode: (nodeId: string, loading: boolean) => void;
+  setTreeChildrenCache: (nodeId: string, children: any[]) => void;
   // ─── Synced from GriddyProps (written by $sync) ───
   uniqueId?: string;
 }
@@ -144,6 +151,25 @@ export const { Provider: GriddyProvider, useStore: useGriddyStore } = createSync
 
   setTotalRows: (count) => set({ totalRows: count }),
   setVirtualizer: (virtualizer) => set({ _virtualizer: virtualizer }),
+  // ─── Tree State ───
+  treeLoadingNodes: new Set(),
+  treeChildrenCache: new Map(),
+  setTreeLoadingNode: (nodeId, loading) =>
+    set((state) => {
+      const newSet = new Set(state.treeLoadingNodes);
+      if (loading) {
+        newSet.add(nodeId);
+      } else {
+        newSet.delete(nodeId);
+      }
+      return { treeLoadingNodes: newSet };
+    }),
+  setTreeChildrenCache: (nodeId, children) =>
+    set((state) => {
+      const newMap = new Map(state.treeChildrenCache);
+      newMap.set(nodeId, children);
+      return { treeChildrenCache: newMap };
+    }),
   // ─── Row Count ───
   totalRows: 0,
 }));