--- layout: page --- {% include vars.html %} {% assign matched_guides = site.data.guides | where: "id", page.guide %} {% assign current_guide = matched_guides[0] %} {% assign guides_size = current_guide.pages | size | plus: 2 %} {% for i in (0..guides_size) %} {% if current_guide.pages[i].id == page.id %} {% assign guide_prev_index = i | minus: 1 %} {% assign guide_next_index = i | plus: 1 %} {% break %} {% endif %} {% endfor %} {% assign guide_prev = current_guide.pages[guide_prev_index] %} {% assign guide_next = current_guide.pages[guide_next_index] %}