tabler.tabler/shared/includes/layout/js-libs.html

{% if page-libs -%}
{% capture libs-code -%}
{% for lib in include.libs -%}
{% if page-libs contains lib[0] -%}
{% for file in lib[1] -%}
<script src="{% if file contains 'http://' or file contains 'https://' %}{{ file | replace: 'GOOGLE_MAPS_KEY', google-maps-key }}{% else %}{{ page | relative }}/libs/{{ file }}{% if environment != 'development' %}?{{ 'now' | date: '%s' }}{% endif %}{% endif %}" defer></script>
{% endfor -%}
{% endif -%}
{% endfor -%}
{% endcapture -%}

{% assign libs-code = libs-code | strip -%}
{% if libs-code != "" -%}
<!-- BEGIN PAGE LIBRARIES -->
{{ libs-code }}
<!-- END PAGE LIBRARIES -->
{% endif -%}
{% endif -%}