https://cs-wiki.org/blog/assets/js/side-banners.js?v=635053933c

1(function() {
2  function initSideBanners() {
3    if (window.posthog) {
4      posthog.onFeatureFlags(function() {
5        const rightBanner = posthog.getFeatureFlagPayload('tool-banner-right');
6        const leftBanner = posthog.getFeatureFlagPayload('tool-banner-left');
7  
8        if (rightBanner && rightBanner.url) {
9          const el = document.getElementById('right-banner');
10          if (el) {
11            el.href = rightBanner.redirectTo;
12            const img = el.querySelector('img');
13            if (img) {
14              img.src = rightBanner.url;
15            }
16            el.style.display = 'block';
17          }
18        }
19
20        if (leftBanner && leftBanner.url) {
21          const el = document.getElementById('left-banner');
22          if (el) {
23            el.href = leftBanner.redirectTo;
24            const img = el.querySelector('img');
25            if (img) {
26              img.src = leftBanner.url;
27            }
28            el.style.display = 'block';
29          }
30        }
31      });
32    }
33  }
34
35  if (document.readyState === 'loading') {
36    document.addEventListener('DOMContentLoaded', initSideBanners);
37  } else {
38    initSideBanners();
39  }
40})();