vitest.setup-tests.ts

import * as matchers from "@testing-library/jest-dom/matchers";
import { cleanup } from "@testing-library/react";
import { afterEach, expect } from "vitest";

expect.extend(matchers);

beforeAll(() => {
  Object.defineProperty(window, "matchMedia", {
    writable: true,
    value: vi.fn().mockImplementation((query) => ({
      matches: false,
      media: query,
      onchange: null,
      addListener: vi.fn(), // deprecated
      removeListener: vi.fn(), // deprecated
      addEventListener: vi.fn(),
      removeEventListener: vi.fn(),
      dispatchEvent: vi.fn(),
    })),
  });
});

afterEach(() => {
  cleanup();
});