// Required so Angular's `HttpRequest`/`HttpResponse` (used in unit // tests of HttpInterceptorFn logic) can be instantiated in tests without // pre-compiled metadata. import '@angular/compiler'; Object.defineProperty(window, 'matchMedia', { writable: true, value: jest.fn().mockImplementation((query) => ({ matches: false, media: query, onchange: null, addListener: jest.fn(), removeListener: jest.fn(), addEventListener: jest.fn(), removeEventListener: jest.fn(), dispatchEvent: jest.fn(), })), });