serviceworkers.html

{% if site.environment != 'dev' %}
<script data-no-instant>
  if (navigator.serviceWorker) {
    navigator.serviceWorker.register('{{ site.baseurl }}/sw.js', {
      scope: '{{ site.baseurl }}/'
    });
    window.addEventListener('load', function () {
      if (navigator.serviceWorker.controller) {
        navigator.serviceWorker.controller.postMessage({
          'command': 'trimCaches'
        });
      }
    });
  }
</script>
{% endif %}