https://www.theengineeringprojects.com/res/js/content/base/adsense.9n7yqcqajv.js

1// The server emits this initializer only on eligible production pages.
2// Watch streamed article HTML without polling, database reads, or repeated ad refreshes.
3(() => {
4  const loader = document.getElementById('tep-adsense-loader');
5  if (!loader || window.tepAdSenseStarted) return;
6  window.tepAdSenseStarted = true;
7
8  const client = new URL(loader.src).searchParams.get('client');
9  const selector = 'ins.adsbygoogle[data-ad-client][data-ad-slot]';
10  const requested = new WeakSet();
11  const pending = new Set();
12  let frame = 0;
13  let stopped = false;
14  const resize = typeof ResizeObserver === 'function' ? new ResizeObserver(schedule) : null;
15
16  function forget(slot) {
17    pending.delete(slot);
18    resize?.unobserve(slot);
19  }
20
21  function schedule() {
22    if (!stopped && !frame) frame = requestAnimationFrame(flush);
23  }
24
25  function flush() {
26    frame = 0;
27    for (const slot of pending) {
28      if (!slot.isConnected || requested.has(slot) || slot.hasAttribute('data-adsbygoogle-status')) {
29        forget(slot);
30        continue;
31      }
32      // Responsive units cannot be requested until their container has a real width.
33      if (slot.getBoundingClientRect().width <= 0) continue;
34      requested.add(slot);
35      forget(slot);

36      try {
37        (window.adsbygoogle = window.adsbygoogle || []).push({});
38      } catch (error) {
39        // A blocked/failed ad must never interfere with reading the article.
40        // Do not repeatedly retry a slot: that can generate duplicate impressions.
41        console.warn('An advertisement could not be initialized.', error);
42      }
43    }
44  }
45
46  function collect(root) {
47    if (root.nodeType !== 1) return;
48    const slots = root.matches(selector) ? [root] : root.querySelectorAll(selector);
49    for (const slot of slots) {
50      if (slot.getAttribute('data-ad-client') !== client || requested.has(slot) ||
51          slot.hasAttribute('data-adsbygoogle-status') || pending.has(slot) ||
52          slot.closest('[contenteditable], [data-ads-disabled]')) continue;
53      pending.add(slot);
54      resize?.observe(slot);
55    }
56    if (pending.size) schedule();
57  }
58
59  const observer = new MutationObserver(records => {
60    for (const record of records) {
61      for (const node of record.addedNodes) collect(node);
62    }
63    // Release removed, not-yet-visible slots as well.
64    if (pending.size) schedule();
65  });
66
67  function start() {
68    stopped = false;
69    observer.observe(document.body, { childList: true, subtree: true });
70    collect(document.body);
71  }
72
73  window.addEventListener('resize', schedule, { passive: true });
74  window.addEventListener('pagehide', () => {
75    stopped = true;
76    observer.disconnect();
77    resize?.disconnect();
78    if (frame) cancelAnimationFrame(frame);
79    frame = 0;
80    pending.clear();
81  });
82  // Back/forward cache restores reuse existing filled units, without requesting them again.
83  window.addEventListener('pageshow', event => { if (event.persisted) start(); });
84  start();
85})();