ui-stack/vitest.setup.ts at main · flashls1/ui-stack · GitHub

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import '@testing-library/jest-dom';

// Mock matchMedia for components that use it
Object.defineProperty(window, 'matchMedia', {
    writable: true,
    value: (query: string) => ({
        matches: false,
        media: query,
        onchange: null,
        addListener: () => { },
        removeListener: () => { },
        addEventListener: () => { },
        removeEventListener: () => { },
        dispatchEvent: () => false,
    }),
});

// Mock IntersectionObserver for scroll-triggered animations
class MockIntersectionObserver {
    observe = () => { };
    disconnect = () => { };
    unobserve = () => { };
}

Object.defineProperty(window, 'IntersectionObserver', {
    writable: true,
    value: MockIntersectionObserver,
});

// Mock ResizeObserver
class MockResizeObserver {
    observe = () => { };
    disconnect = () => { };
    unobserve = () => { };
}

Object.defineProperty(window, 'ResizeObserver', {
    writable: true,
    value: MockResizeObserver,
});