#### Linkbar

    const SidebarIcon = require('grommet/components/icons/base/Sidebar');

    const items = [
      {
        id: 1,
        text: 'alert',
        onClick: () => { window.alert('alert'); },
      },
      {
        id: 2,
        text: 'index',
        icon: <SidebarIcon />,
        onClick: 'http://www.index.hr',
      },
      {
        id: 3,
        text: 'local_route',
        onClick: '/localroute',
      }
    ];

    <App>
      <Linkbar items={items} activeItemId={2} />
    </App>