import { vi } from "vitest"; if (process.env.TEST_MODE !== "node") { Object.defineProperty(window, "EventSource", { writable: true, value: vi.fn().mockImplementation(() => ({ close: vi.fn(() => {}), addEventListener: vi.fn(), onmessage: vi.fn((_event: MessageEvent) => {}), onerror: vi.fn((_event: Event) => {}) })) }); }