layouts/mermaid.html


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<script type="text/javascript">
  function loadMermaidJsIfNeeded() {
    if (document.querySelector('.mermaid') === null) {
      return;
     }

    var element = document.createElement("script");
    element.src = "<%= @items['/assets/javascripts/mermaid.min.*'].path %>";
    element.onload = function(){mermaid.init();};
    document.body.appendChild(element);
  }

if (window.addEventListener)
   window.addEventListener("load", loadMermaidJsIfNeeded, false);
else if (window.attachEvent)
   window.attachEvent("onload", loadMermaidJsIfNeeded);
else window.onload = loadMermaidJsIfNeeded;
</script>