fix: resolve TypeScript errors in tests and qr utility

Author: akifbayram

src/features/bins/__tests__/useBulkActions.test.ts

@@ -68,8 +68,8 @@ const t: Terminology = {
 };
 
 describe('useBulkActions', () => {
-  let clearSelection: ReturnType<typeof vi.fn>;
-  let showToast: ReturnType<typeof vi.fn>;
+  let clearSelection: () => void;
+  let showToast: (toast: { message: string; action?: { label: string; onClick: () => void } }) => void;
 
   beforeEach(() => {
     vi.clearAllMocks();

src/features/bins/__tests__/useEditBinForm.test.ts

@@ -103,7 +103,7 @@ describe('useEditBinForm', () => {
   });
 
   it('saveEdit calls updateBin with correct payload', async () => {
-    vi.mocked(updateBin).mockResolvedValue({} as Bin);
+    vi.mocked(updateBin).mockResolvedValue(undefined);
     const { result } = renderHook(() => useEditBinForm('abc123'));
     act(() => result.current.startEdit(mockBin));
     await act(() => result.current.saveEdit());

src/lib/__tests__/usePermissions.test.ts

@@ -113,7 +113,7 @@ describe('usePermissions', () => {
 
   it('isLoading passes through from useLocationList', () => {
     setup('admin');
-    mockUseLocationList.mockReturnValue({ locations: [], isLoading: true } as ReturnType<typeof useLocationList>);
+    mockUseLocationList.mockReturnValue({ locations: [], isLoading: true, refresh: vi.fn() } as ReturnType<typeof useLocationList>);
     const { result } = renderHook(() => usePermissions());
     expect(result.current.isLoading).toBe(true);
   });

src/lib/qr.ts

@@ -43,8 +43,8 @@ export function makeLruCache(maxSize: number = 200) {
 }
 
 /** Convert raw QR output (Blob or ArrayBuffer) to a data URL string. */
-export async function rawQrToDataURL(raw: Blob | ArrayBuffer): Promise<string> {
-  const blob = raw instanceof Blob ? raw : new Blob([raw], { type: 'image/png' });
+export async function rawQrToDataURL(raw: Blob | ArrayBuffer | Buffer): Promise<string> {
+  const blob = raw instanceof Blob ? raw : new Blob([raw instanceof ArrayBuffer ? raw : new Uint8Array(raw)], { type: 'image/png' });
   return new Promise<string>((resolve, reject) => {
     const reader = new FileReader();
     reader.onloadend = () => resolve(reader.result as string);