app/views/layouts/_startup_css_activation.haml


1
2
3
4
5
6
7
8
9

- return unless use_startup_css?

= javascript_tag do
  :plain
    document.querySelectorAll('link[media="print"]').forEach(linkTag => {
      linkTag.setAttribute('data-startupcss', 'loading');
      const startupLinkLoadedEvent = new CustomEvent('CSSStartupLinkLoaded');
      linkTag.addEventListener('load',function(){this.media='all';this.setAttribute('data-startupcss', 'loaded');document.dispatchEvent(startupLinkLoadedEvent);},{once: true});
    })