foundathon_landing/vitest.setup.ts at master · OPDhaker/foundathon_landing · GitHub

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

class MockIntersectionObserver implements IntersectionObserver {
  readonly root: Element | Document | null = null;
  readonly rootMargin = "0px";
  readonly thresholds = [0];

  disconnect() {}

  observe(_target: Element) {}

  takeRecords(): IntersectionObserverEntry[] {
    return [];
  }

  unobserve(_target: Element) {}
}

if (typeof globalThis.IntersectionObserver === "undefined") {
  globalThis.IntersectionObserver =
    MockIntersectionObserver as typeof IntersectionObserver;
}

class MockResizeObserver implements ResizeObserver {
  disconnect() {}

  observe(_target: Element) {}

  unobserve(_target: Element) {}
}

if (typeof globalThis.ResizeObserver === "undefined") {
  globalThis.ResizeObserver = MockResizeObserver as typeof ResizeObserver;
}