You may see the name Rappid in our documentation, code and other materials. Rappid has been replaced by a new brand, JointJS+. This change has no effect on functionality. To avoid confusion, please consider Rappid and JointJS+ as synonyms. Read more here.
joint.graphUtils.js file to your HTML:
<script src="joint.alg.priorityQueue.js"></script> <script src="joint.alg.dijkstra.js"></script>