MediaWiki:Timeless.js

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/* === Dark Mode Toggle for Timeless === */
$(function() {
  // create button
  var $button = $('<button id="dark-mode-toggle">🌙 Dark Mode</button>');

  // append to header (personal tools area)
  $('#mw-personaltools').append($('<li>').append($button));

  // check saved state
  if (localStorage.getItem('dark-mode') === 'enabled') {
    $('body').addClass('dark-mode');
    $('#dark-mode-toggle').text('☀️ Light Mode');
  }

  // toggle on click
  $('#dark-mode-toggle').on('click', function() {
    $('body').toggleClass('dark-mode');

    if ($('body').hasClass('dark-mode')) {
      localStorage.setItem('dark-mode', 'enabled');
      $('#dark-mode-toggle').text('☀️ Light Mode');
    } else {
      localStorage.setItem('dark-mode', 'disabled');
      $('#dark-mode-toggle').text('🌙 Dark Mode');
    }
  });
});