/** * globally import this, avoids needing to import it in each file * https://stackoverflow.com/a/65871118 */ import '@testing-library/jest-dom'; // https://stackoverflow.com/a/66055672 // https://jestjs.io/docs/manual-mocks#mocking-methods-which-are-not-implemented-in-jsdom Object.defineProperty(window, 'matchMedia', { writable: true, value: jest.fn().mockImplementation((query) => ({ matches: false, media: query, onchange: null, addListener: jest.fn(), // Deprecated removeListener: jest.fn(), // Deprecated addEventListener: jest.fn(), removeEventListener: jest.fn(), dispatchEvent: jest.fn(), })), });