JSFiddle - React, Tailwind, and code Playground
HTML
<div class="wrapper">
<div class="heading">Visible if working 2</div>
<div class="weeks"></div>
</div>
JavaScript
$("div.weeks:contains(' '), div.weeks:empty").closest('div.wrapper').hide()
$(".weeks:empty").load(function () {
$(this).closest("ul").hide();
});