Sort pick lists alphabetically

src/screens/PickListsScreen.test.tsx

@@ -0,0 +1,54 @@
+import { MemoryRouter } from 'react-router-dom';
+import { render, screen, within } from '@testing-library/react';
+import { describe, expect, it, vi } from 'vitest';
+import { PickListsScreen } from './PickListsScreen';
+
+const areasMock = [
+  { id: 'area-1', name: 'Front Counter', created_at: 0, updated_at: 0 },
+  { id: 'area-2', name: 'back room', created_at: 0, updated_at: 0 },
+  { id: 'area-3', name: 'Cafe', created_at: 0, updated_at: 0 },
+];
+
+const pickListsMock = [
+  { id: 'list-2', area_id: 'area-2', created_at: 3 },
+  { id: 'list-3', area_id: 'area-3', created_at: 4 },
+  { id: 'list-1', area_id: 'area-1', created_at: 5 },
+];
+
+vi.mock('../hooks/dataHooks', () => ({
+  usePickLists: () => pickListsMock,
+  useAreas: () => areasMock,
+}));
+
+vi.mock('../context/DBProvider', () => ({
+  useDatabase: () => ({
+    pickItems: {
+      where: () => ({
+        equals: () => ({ delete: vi.fn() }),
+      }),
+    },
+    pickLists: {
+      update: vi.fn(),
+      delete: vi.fn(),
+      where: () => ({
+        equals: () => ({ delete: vi.fn() }),
+      }),
+    },
+  }),
+}));
+
+describe('PickListsScreen sorting', () => {
+  it('sorts pick lists alphabetically by area name', () => {
+    render(
+      <MemoryRouter>
+        <PickListsScreen />
+      </MemoryRouter>,
+    );
+
+    const listItems = screen.getAllByRole('listitem');
+
+    expect(within(listItems[0]).getByText('back room')).toBeVisible();
+    expect(within(listItems[1]).getByText('Cafe')).toBeVisible();
+    expect(within(listItems[2]).getByText('Front Counter')).toBeVisible();
+  });
+});

src/screens/PickListsScreen.tsx

@@ -31,11 +31,24 @@ export const PickListsScreen = () => {
   const [areaId, setAreaId] = useState('');
   const [notes, setNotes] = useState('');
 
-  const sortedLists = useMemo(() => {
-    return [...lists].sort((a, b) => a.created_at - b.created_at);
-  }, [lists]);
+  const areaNameById = useMemo(() => {
+    const map = new Map<string, string>();
+    areas.forEach((area) => map.set(area.id, area.name));
+    return map;
+  }, [areas]);
 
-  const getAreaName = (areaId: string) => areas.find((a) => a.id === areaId)?.name ?? 'Unknown area';
+  const sortedLists = useMemo(() => {
+    const locale = new Intl.Collator(undefined, { sensitivity: 'base' });
+    return [...lists].sort((a, b) => {
+      const nameA = areaNameById.get(a.area_id) ?? 'Unknown area';
+      const nameB = areaNameById.get(b.area_id) ?? 'Unknown area';
+      const nameComparison = locale.compare(nameA, nameB);
+      if (nameComparison !== 0) return nameComparison;
+      return a.created_at - b.created_at;
+    });
+  }, [areaNameById, lists]);
+
+  const getAreaName = (areaId: string) => areaNameById.get(areaId) ?? 'Unknown area';
 
   const openEdit = (list: PickList) => {
     setEditingList(list);