angular/projects/ng-devtools/src/lib/devtools-tabs/router-tree/router-tree.component.html

<div class="router-tree-wrapper">
  <div class="p2 no-routes" [hidden]="routes?.length !== 0">
    <h1>
      There are no routes to display.
    </h1>
    <h3>
      If you have routes defined and not seeing anything, for version of Angular older than 2.3.0, please see the
    </h3>
  </div>
  <div class="full-height" [hidden]="routes?.length === 0">
    <div class="full-height" #routeTree>
      <svg #svgContainer class="svg-container">
        <g #mainGroup></g>
      </svg>
    </div>
  </div>
</div>