Function toNative

lib/virtualization.test.tsx:170–175

(offset: number)

      clientWidth: { value: 200 }
    });
    const toNative = (offset: number) =>
      offsetType === "negative"
        ? -offset
        : offsetType === "positive-descending"
          ? 4800 - offset
          : offset;
    act(() => {
      element.scrollTo({ left: toNative(200) });
    });