extendSidebar();

function navigate(url)
{
    window.location.href = window.location+'/'+url;
}

function extendSidebar()
{
    let foo = $('.nav-item.active');
    if (foo.attr('parent'))
    {
        $('#'+foo.attr('parent')).collapse('show');
        $('#link-'+foo.attr('parent')).addClass('active');
    }
}