LayeredLayout.PortDummies

type State = { dummies :: Array PortDummy }

type PortDummy = { incoming :: Boolean, node :: Node, outgoing :: Boolean, owner :: NodeId, port :: Port }

empty :: State

isPortDummy :: NodeId -> Boolean

prepare :: Map NodeId (Array Port) -> DummyResult -> { dummies :: DummyResult, state :: State }

expand :: State -> Array (Array NodeId) -> Array (Array NodeId)

unprepare :: State -> DummyResult -> DummyResult

rewire :: State -> DummyResult -> DummyResult

restore :: State -> Array NodePlacement -> Array Edge -> Array EdgePath -> Array EdgePath