Method resolveSubgraphIdPath

src/LGraph.ts:1578–1592

* Resolve a path of subgraph node IDs into a list of subgraph nodes. * Not intended to be run from subgraphs. * @param nodeIds An ordered list of node IDs, from the root graph to the most nested subgraph node * @returns An ordered list of nested subgraph nodes.

(nodeIds: readonly NodeId[])

   * @returns An ordered list of nested subgraph nodes.
   */
  resolveSubgraphIdPath(nodeIds: readonly NodeId[]): SubgraphNode[] {
    const result: SubgraphNode[] = []
    let currentGraph: GraphOrSubgraph = this.rootGraph

    for (const nodeId of nodeIds) {
      const node: LGraphNode | null = currentGraph.getNodeById(nodeId)
      if (!node) throw new Error(`Node [${nodeId}] not found.  ID Path: ${nodeIds.join(":")}`)
      if (!node.isSubgraphNode()) throw new Error(`Node [${nodeId}] is not a SubgraphNode.  ID Path: ${nodeIds.join(":")}`)

      result.push(node)
      currentGraph = node.subgraph
    }

    return result
  }

  /**
   * Creates a Object containing all the info about this graph, it can be serialized