Method connectFloatingReroute

src/LGraphNode.ts:2702–2748

(pos: Point, slot: INodeInputSlot | INodeOutputSlot, afterRerouteId?: RerouteId)

  }

  connectFloatingReroute(pos: Point, slot: INodeInputSlot | INodeOutputSlot, afterRerouteId?: RerouteId): Reroute {
    const { graph, id } = this
    if (!graph) throw new NullGraphError()

    // Assertion: It's either there or it isn't.
    const inputIndex = this.inputs.indexOf(slot as INodeInputSlot)
    const outputIndex = this.outputs.indexOf(slot as INodeOutputSlot)
    if (inputIndex === -1 && outputIndex === -1) throw new Error("Invalid slot")

    const slotType = outputIndex === -1 ? "input" : "output"

    const reroute = graph.setReroute({
      pos,
      parentId: afterRerouteId,
      linkIds: [],
      floating: { slotType },
    })

    const parentReroute = graph.getReroute(afterRerouteId)
    const fromLastFloatingReroute = parentReroute?.floating?.slotType === "output"

    // Adding from an ouput, or a floating reroute that is NOT the tip of an existing floating chain
    if (afterRerouteId == null || !fromLastFloatingReroute) {
      const link = new LLink(
        -1,
        slot.type,
        outputIndex === -1 ? -1 : id,
        outputIndex,
        inputIndex === -1 ? -1 : id,
        inputIndex,
      )
      link.parentId = reroute.id
      graph.addFloatingLink(link)
      return reroute
    }

    // Adding a new floating reroute from the tip of a floating chain.
    if (!parentReroute) throw new Error("[connectFloatingReroute] Parent reroute not found")

    const link = parentReroute.getFloatingLinks("output")?.[0]
    if (!link) throw new Error("[connectFloatingReroute] Floating link not found")

    reroute.floatingLinkIds.add(link.id)
    link.parentId = reroute.id
    delete parentReroute.floating
    return reroute
  }

  /**
   * disconnect one output to an specific node