MediaWiki:Common.js

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mw.loader.load("/images/assets/image-selector.js");
/* mw.loader.load("/images/assets/nav.js"); */
mw.loader.load("https://dxgalaxy.org/js/nav.js");

$(function () {
  var $body = $('body');

  // Only run if the page has variant content
  if ($('.variant').length === 0) {
    return;
  }

  // Build tab bar
  var $tabs = $('<div class="variant-tabs"></div>');
  var $btnOlder = $('<button>Older Revision</button>').on('click', function () {
    $body.removeClass('variant-newer').addClass('variant-older');
    localStorage.setItem('variant', 'older');
    $tabs.find('button').removeClass('active');
    $(this).addClass('active');
  });
  var $btnNewer = $('<button>Newer Revision</button>').on('click', function () {
    $body.removeClass('variant-older').addClass('variant-newer');
    localStorage.setItem('variant', 'newer');
    $tabs.find('button').removeClass('active');
    $(this).addClass('active');
  });

  $tabs.append($btnOlder).append($btnNewer);

  // Insert tabs above the main content
  $('#mw-content-text').prepend($tabs);

  // Load saved choice (default: newer)
  var saved = localStorage.getItem('variant') || 'newer';
  $body.addClass('variant-' + saved);
  if (saved === 'older') $btnOlder.addClass('active');
  else $btnNewer.addClass('active');
});