Context for the vertex, as passed in by the SurfaceComponent.
Optional
labelThe name of the property that identifies some vertex's label. Defaults to "label".
Optional
labelOptional stroke width to use for labels. Defaults to "0.25px".
Optional
showDefaults to false. If true, a label will be written on the shape (using an SVG text element).
Props for the ShapeComponent. At the minimum you should pass in the
ctx
that the Surface provides to the mapping in your viewOptions.