function buildAvatarPreloader(): IntersectionObserver {
  return new IntersectionObserver((entries, observer) => {
    for (const entry of entries) {
      if (entry.isIntersecting) {
        const img = entry.target;
        img.removeAttribute('lazy');
        observer.unobserve(img);
      }
    }
  }, {
    rootMargin: '1000px 0px'
  });
}

export let avatarPreloader = buildAvatarPreloader();