gridstack
diff --git a/‎vitest.setup.ts‎
Lines changed: 15 additions & 11 deletions b/‎vitest.setup.ts‎
Lines changed: 15 additions & 11 deletions
@@ -19,18 +19,22 @@ Object.defineProperty(window, 'matchMedia', {
 });
 
 // Mock ResizeObserver
-(globalThis as any).ResizeObserver = vi.fn().mockImplementation(() => ({
-  observe: vi.fn(),
-  unobserve: vi.fn(),
-  disconnect: vi.fn(),
-}));
+(globalThis as any).ResizeObserver = vi.fn().mockImplementation(function () {
+  return {
+    observe: vi.fn(),
+    unobserve: vi.fn(),
+    disconnect: vi.fn(),
+  };
+});
 
-// Mock IntersectionObserver  
-(globalThis as any).IntersectionObserver = vi.fn().mockImplementation(() => ({
-  observe: vi.fn(),
-  unobserve: vi.fn(),
-  disconnect: vi.fn(),
-}));
+// Mock IntersectionObserver
+(globalThis as any).IntersectionObserver = vi.fn().mockImplementation(function () {
+  return {
+    observe: vi.fn(),
+    unobserve: vi.fn(),
+    disconnect: vi.fn(),
+  };
+});
 
 // Mock requestAnimationFrame
 (globalThis as any).requestAnimationFrame = vi.fn().mockImplementation((cb: Function) => {