https://meme.am/static/js/gallery-media.js?v=20260901-ui-10

1(function () {
2  'use strict';
3
4  const reducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)');
5  const saveData = Boolean(navigator.connection && navigator.connection.saveData);
6
7  function hydrate(video) {
8    const source = video.querySelector('source[data-src]');
9    if (source && !source.src) {
10      source.src = source.dataset.src;
11      video.load();
12    }
13  }
14
15  const observer = new IntersectionObserver(function (entries) {
16    entries.forEach(function (entry) {
17      const video = entry.target;
18      if (entry.isIntersecting) {
19        hydrate(video);
20        if (!reducedMotion.matches && !saveData) {
21          video.play().catch(function () {});
22        }
23      } else {
24        video.pause();
25      }
26    });
27  }, { rootMargin: '200px 0px', threshold: 0.05 });
28
29  function observe(root) {
30    if (root.matches && root.matches('video[data-viewport-video]')) observer.observe(root);
31    root.querySelectorAll && root.querySelectorAll('video[data-viewport-video]').forEach(function (video) {
32      observer.observe(video);
33    });
34  }
35
36  window.observeViewportVideos = observe;
37  document.addEventListener('DOMContentLoaded', function () {
38    observe(document);
39    new MutationObserver(function (mutations) {
40      mutations.forEach(function (mutation) {
41        mutation.addedNodes.forEach(function (node) {
42          if (node.nodeType === 1) observe(node);
43        });
44      });
45    }).observe(document.body, { childList: true, subtree: true });
46  });
47}());