vitest-setup-client.ts

import "@testing-library/jest-dom/vitest";
import { vi } from "vitest";

// required for svelte5 + jsdom as jsdom does not support matchMedia
Object.defineProperty(window, "matchMedia", {
	writable: true,
	enumerable: true,
	value: vi.fn().mockImplementation(query => ({
		matches: false,
		media: query,
		onchange: null,
		addEventListener: vi.fn(),
		removeEventListener: vi.fn(),
		dispatchEvent: vi.fn(),
	})),
});

// add more mocks here if you need them