Jade: Menu iteration with array of objects

//- compile and see the output online at below URL
    http://jade-lang.com/
    
-var menu = [{link_icon: 'icon sample1', link_text: 'Link1', link_url : 'link1.html'},{link_icon: 'icon sample2', link_text: 'Link2', link_url : 'link2.html'}, {link_icon: 'icon sample3', link_text: 'Link2', link_url : 'link2.html'}];

- var menuactive = "";

//- add page level variable "page.mpMenuSelected"
- var mpMenuSelected = "Link1";

.menu
    each item, i in menu
      if mpMenuSelected === item.link_text
        - mpmenuactive = 'is-active'
      else
        - mpmenuactive = ''

      .menu--item
        a(class="#{mpmenuactive}" href=item.link_url)
          span(class="#{item.link_icon}")
          span.menu--item-text= item.link_text