import '@testing-library/jest-dom/vitest'; // Set up a container for React portals (used by NitroCardView's DraggableWindow) const draggableWindowsContainer = document.createElement('div'); draggableWindowsContainer.id = 'draggable-windows-container'; document.body.appendChild(draggableWindowsContainer); // jsdom doesn't ship ResizeObserver, but LayoutRoomPreviewerView (and // any component that resizes a canvas to its container) constructs // one at mount. A no-op stub is enough — the tests never assert // resize-driven behavior, they just need the constructor to exist. if(typeof globalThis.ResizeObserver === 'undefined') { class ResizeObserverStub { constructor(_callback: unknown) { // no-op } public observe(): void { // no-op } public unobserve(): void { // no-op } public disconnect(): void { // no-op } } (globalThis as unknown as { ResizeObserver: typeof ResizeObserverStub }).ResizeObserver = ResizeObserverStub; }