MediaWiki:Timeless.js: Difference between revisions

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```
mw.loader.using('mediawiki.util').then(function () {


  /* Add arrows to all custom portlets */
  document.querySelectorAll('#mw-panel .mw-portlet').forEach(portlet => {
    const header = portlet.querySelector('h3');
    if (!header) return;
    header.classList.add('portlet-header');
    const arrow = document.createElement('span');
    arrow.className = 'portlet-arrow';
    arrow.textContent = '▼';
    header.appendChild(arrow);
    header.addEventListener('click', () => {
      const body = portlet.querySelector('.mw-portlet-body');
      body.classList.toggle('collapsed');
      arrow.classList.toggle('collapsed');
    });
  });
  /* Year collapsible logic */
  document.querySelectorAll('#mw-panel .mw-portlet-body > ul > li').forEach(yearItem => {
    const header = yearItem.querySelector(':scope > a');
    const sublist = yearItem.querySelector(':scope > ul');
    if (!header || !sublist) return;
    header.classList.add('year-header');
    const arrow = document.createElement('span');
    arrow.className = 'year-arrow';
    arrow.textContent = '▼';
    header.appendChild(arrow);
    sublist.classList.add('year-content');
    sublist.style.display = 'none';
    header.addEventListener('click', e => {
      e.preventDefault();
      sublist.classList.toggle('expanded');
      arrow.classList.toggle('collapsed');
      sublist.style.display = sublist.classList.contains('expanded') ? 'block' : 'none';
    });
  });
});
```

Revision as of 20:44, 15 December 2025