discourse/app/assets/javascripts/discourse/widgets/menu-panel.js.es6

import hbs from 'discourse/widgets/hbs-compiler';
import { createWidget } from 'discourse/widgets/widget';
import { h } from 'virtual-dom';

createWidget('menu-links', {
  buildClasses(attrs) {
    if (attrs.name && attrs.name.length) {
      return `menu-container-${attrs.name}`;
    }
  },

  html(attrs) {
    const links = [].concat(attrs.contents());
    const liOpts = {};

    if (attrs.heading) {
      liOpts.className = 'header';
    }

    const result = [];
    result.push(h('ul.menu-links.columned', links.map(l => h('li', liOpts, l))));

    result.push(h('div.clearfix'));
    if (!attrs.omitRule) {
      result.push(h('hr'));
    }
    return result;
  }
});

createWidget('menu-panel', {
  tagName: 'div.menu-panel',
  template: hbs`
    <div class='panel-body'>
      <div class='panel-body-contents clearfix'>
        {{yield}}
      </div>
    </div>
  `,

  buildAttributes(attrs) {
    if (attrs.maxWidth) {
      return { 'data-max-width': attrs.maxWidth };
    }
  },
});