MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
// Public-only copy deterrent; admins/editors unaffected
(function () {
  var action = mw.config.get('wgAction'); // 'view', 'edit', etc.
  var groups = mw.config.get('wgUserGroups') || [];

  // Define who should be exempt (enable/trim as you like)
  var isPrivileged =
    groups.includes('sysop') ||
    groups.includes('bureaucrat') ||
    groups.includes('interface-admin') ||
    groups.includes('editor') ||       // remove if you don't have this group
    groups.includes('patroller');      // remove if you don't use this

  // Run only on read/view pages and only for non-privileged users
  if (action !== 'view' || isPrivileged) return;

  // Mark page so CSS activates only for these users
  document.documentElement.classList.add('no-copy');

  // Disable right-click (admins are exempt above)
  document.addEventListener('contextmenu', function (e) {
    e.preventDefault();
  }, { capture: true });

  // Prevent starting a selection (keeps links clickable)
  document.addEventListener('selectstart', function (e) {
    // Allow in fields/editable areas just in case
    var t = e.target;
    var tag = (t.tagName || '').toLowerCase();
    if (tag === 'input' || tag === 'textarea' || t.isContentEditable || (t.closest && t.closest('#wpTextbox1'))) {
      return;
    }
    e.preventDefault();
  }, { capture: true });

  // Block double/triple click selection
  document.addEventListener('mousedown', function (e) {
    // left/right clicks still work; we only block multi-click selection
    if (e.detail > 1) e.preventDefault();
  }, { capture: true });
})();