shopify active class menu item
{% assign link_active_class = "" %}
{% liquid
if link.active
assign link_active_class = "site-nav--active"
elsif link.title == "shop" and request.page_type == "collection"
assign link_active_class = "site-nav--active"
elsif link.title == "shop" and request.page_type == "cart"
assign link_active_class = "site-nav--active"
endif
%}