rf-web/_includes/common/lang-selector.html

{% assign posts=site.posts | where:"ref", page.ref | sort: 'lang' %}
{% assign newpages=site.pages | where:"ref", page.ref | sort: 'lang' %}


{% if posts.size > 1 %}
    {% for post in posts %}
        {% if post.lang != page.lang %}
            <a href="{{ site.base-url }}{{ post.url }}" class="lang lang--{{ page.lang }}">
                {% if page.lang == 'en' %}
                    {{ include.fr-text }}
                {% else %}
                    {{ include.en-text }}
                {% endif %}
            </a>
        {% endif %}
    {% endfor %}

{% elsif newpages.size > 1 %}
    {% for pege in newpages %}
        {% if pege.lang != page.lang and page.ref != '' %}
                {% if page.lang == 'en' %}
                    <a href="{{ pege.url }}" class="lang lang--{{ page.lang }}">{{ include.fr-text }}</a>
                {% else %}
                    <a href="{{ pege.url }}" class="lang lang--{{ page.lang }}">{{ include.en-text }} </a>
                {% endif %}
        {% endif %}
    {% endfor %}


{% elsif page.lang == 'en' %}
    <a href="{{ site.baseurl }}/fr" class="lang lang--{{ page.lang }}">{{ include.fr-text }}</a>
    <span class="poop">{{ site.data.menu[page.ref]}}</span>
{% else %}
    <a href="{{ site.baseurl }}/" class="lang lang--{{ page.lang }}">{{ include.en-text }} </a>
    <span class="poop">{{ site.data.menu[page.ref]}}</span>
{% endif %}