This is a starter app you can use as a base to build your own apps. It contains examples of how to:

• configure a zoomable and pannable canvas
• render nodes
• define the appearance and event bindings for edges
• add a miniview component
• add a controls component, providing buttons to undo/redo, zoom to fit, etc
• adda palette from which you can drag new nodes onto the canvas
• setup plugins in the canvas.

https://visuallyjs.com/demonstrations/template