re the renderer
  const render = dagreD3.render();

  let isClient = false;
  // { is-client };

  if (isClient) {
    // Mark all nodes and their edges as active
    cssRules = document.getElementById('graph-style').sheet.cssRules;
    cssRules[3].style.opacity = 1;
    cssRules[4].style.opacity = 1;

    let graph;
    // { graph-content };
    drawGraph(graph);
  } else {
    serveGraph();
  }


</script>
</body>
</html>
