refactor: Standardize document and folder identification with a new entryKey module.

frontend/src/app/useWorkspaceSelection.ts

@@ -1,19 +1,15 @@
 import { useCallback, useMemo } from 'react';
 import { useDocumentSelection } from './useDocumentSelection';
-
-type RowKey = string;
+import { isDocumentEntry, isFolderEntry, getEntryId } from './entryKey';
 
 interface SelectionEntry {
-  rowKey?: RowKey;
+  entryKey?: string;
+  // Legacy field for compatibility
+  rowKey?: string;
   [key: string]: unknown;
 }
 
 interface WorkspaceSelectionOptions {
-  resolveDocumentRowKey?: (id: string | number) => RowKey | null;
-  resolveFolderRowKey?: (id: string | number) => RowKey | null;
-  isDocumentRowKey?: (key: RowKey | SelectionEntry) => boolean;
-  isFolderRowKey?: (key: RowKey | SelectionEntry) => boolean;
-  getRowId?: (key: RowKey | SelectionEntry) => string | number | null;
   onDocumentActivate?: (id: string | number) => void;
   onInspectFolder?: (id: string | number) => void;
 }
@@ -21,21 +17,10 @@ interface WorkspaceSelectionOptions {
 const identity = <T,>(value: T) => value;
 
 export const useWorkspaceSelection = ({
-  resolveDocumentRowKey,
-  resolveFolderRowKey,
-  isDocumentRowKey = () => false,
-  isFolderRowKey = () => false,
-  getRowId = () => null,
   onDocumentActivate = identity,
   onInspectFolder = identity,
 }: WorkspaceSelectionOptions = {}) => {
-  const selection = useDocumentSelection({
-    resolveDocumentRowKey,
-    resolveFolderRowKey,
-    isDocumentRowKey,
-    isFolderRowKey,
-    getRowId,
-  });
+  const selection = useDocumentSelection();
 
   const {
     selectedEntries,
@@ -59,26 +44,26 @@ export const useWorkspaceSelection = ({
   const selectedDocumentIds = useMemo(
     () =>
       selectedEntries
-        .filter((entry) => isDocumentRowKey(entry))
-        .map((entry) => getRowId(entry))
+        .filter((entry) => isDocumentEntry(entry))
+        .map((entry) => getEntryId(entry))
         .filter(Boolean),
-    [selectedEntries, isDocumentRowKey, getRowId],
+    [selectedEntries],
   );
 
   const selectedFolderIds = useMemo(
     () =>
       selectedEntries
-        .filter((entry) => isFolderRowKey(entry))
-        .map((entry) => getRowId(entry))
+        .filter((entry) => isFolderEntry(entry))
+        .map((entry) => getEntryId(entry))
         .filter(Boolean),
-    [selectedEntries, isFolderRowKey, getRowId],
+    [selectedEntries],
   );
 
   const selectEntry = useCallback(
-    (entry: SelectionEntry | string | null, event?: unknown) => {
+    (entry: SelectionEntry | string, event?: unknown) => {
       const rowKey = entry && Object(entry) === entry
-        ? (entry as SelectionEntry).rowKey ?? null
-        : (entry as string | null);
+        ? (entry as SelectionEntry).rowKey ?? undefined
+        : (entry as string);
       if (!rowKey) return;
       handleEntrySelection(rowKey, event);
     },
@@ -86,7 +71,7 @@ export const useWorkspaceSelection = ({
   );
 
   const inspectDocument = useCallback(
-    (documentId?: string | number | null) => {
+    (documentId?: string | number) => {
       if (!documentId) return;
       onDocumentActivate(documentId);
     },
@@ -94,7 +79,7 @@ export const useWorkspaceSelection = ({
   );
 
   const inspectFolder = useCallback(
-    (folderId?: string | number | null) => {
+    (folderId?: string | number) => {
       if (!folderId) return;
       onInspectFolder(folderId);
     },