TelegramBotAdmin/admin-web/tests/setup.ts

import '@testing-library/jest-dom/vitest';
import { cleanup } from '@testing-library/react';
import { afterEach } from 'vitest';

afterEach(cleanup);

const nativeGetComputedStyle = window.getComputedStyle.bind(window);

Object.defineProperty(window, 'getComputedStyle', {
  writable: true,
  value: (element: Element) => nativeGetComputedStyle(element),
});

Object.defineProperty(window, 'matchMedia', {
  writable: true,
  value: (query: string) => ({
    matches: false,
    media: query,
    onchange: null,
    addListener: () => undefined,
    removeListener: () => undefined,
    addEventListener: () => undefined,
    removeEventListener: () => undefined,
    dispatchEvent: () => false,
  }),
});

class ResizeObserverMock {
  observe() {}
  unobserve() {}
  disconnect() {}
}

Object.defineProperty(window, 'ResizeObserver', { value: ResizeObserverMock });
Object.defineProperty(globalThis, 'ResizeObserver', { value: ResizeObserverMock });
Object.defineProperty(window, 'scrollTo', { value: () => undefined });