Hide mega menu links that contain 0 product

Add the following in the mega-menu-list.liquid

{% for childLink in link.links %}

{% if link.type == 'collection_link' %}

{% assign collection = link.object %}

{% if collection.products_count > 0 %}

{% assign break_after_modulo = forloop.index | modulo: links_before_wrap %}

<li

{% if break_after_modulo == 0 and should_break_columns %}

style="break-after: column;"

{% endif %}

href="{{ childLink.url }}"

class="mega-menu__link"

<span class="mega-menu__link-title">{{- childLink.title -}}</span>

</a>

</li>

{% endif %}{% endif %}

{% endfor %}