MediaWiki:Common.js

// Google Analytics 4 tracking via MediaWiki:Common.js
(function() {
  var gaScript = document.createElement('script');
  gaScript.async = true;
  gaScript.src = 'https://www.googletagmanager.com/gtag/js?id=G-01G5LMDW7X';
  document.head.appendChild(gaScript);

  window.dataLayer = window.dataLayer || [];
  function gtag(){ dataLayer.push(arguments); }
  window.gtag = gtag;

  gtag('js', new Date());
  gtag('config', 'G-01G5LMDW7X');
})();

document.addEventListener("DOMContentLoaded", function () {
  // Disable right-click on all images
  document.addEventListener("contextmenu", function (event) {
    if (event.target.tagName === "IMG") {
      event.preventDefault();
    }
  });

  // Disable clicking on image links for anonymous users
  if (mw.config.get('wgUserGroups').includes('anon')) {
    // Event delegation: handle current and future links
    document.body.addEventListener('click', function(event) {
      const anchor = event.target.closest('a');
      if (!anchor) return;

      if (anchor.querySelector('img')) {
        event.preventDefault();
        anchor.style.cursor = 'default';
      }
    });

    // Attempt to disable MediaViewer for anonymous users
    mw.loader.using('mediawiki.mediaViewer', function() {
      if (window.MediaViewer) {
        MediaViewer.disabled = true;
      }
    });
  }
});