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

// jsdom lacks IntersectionObserver; Framer Motion's `whileInView` needs it.
if (typeof window !== 'undefined' && !('IntersectionObserver' in window)) {
  class IntersectionObserverStub {
    observe() {}
    unobserve() {}
    disconnect() {}
    takeRecords() {
      return [];
    }
    root = null;
    rootMargin = '';
    thresholds = [];
  }
  // @ts-expect-error – installing stub on window
  window.IntersectionObserver = IntersectionObserverStub;
  global.IntersectionObserver = IntersectionObserverStub;
}