{% assign css_file = site.static_files | where: 'path', '/assets/css/styles.css' | first %} {% assign app_css = site.static_files | where: 'path', '/assets/css/main.css' | first %} {% if app_css %} {% endif %} {% assign theme_js = site.static_files | where: 'path', '/assets/js/theme-logo.js' | first %} {% if theme_js %} {% endif %}