Class LGraph

src/LGraph.ts:79–1936

 * + onNodeRemoved: when a node inside this graph is removed
 */
export class LGraph implements LinkNetwork, BaseLGraph, Serialisable<SerialisableGraph> {
  static serialisedSchemaVersion = 1 as const

  static STATUS_STOPPED = 1
  static STATUS_RUNNING = 2

  /** List of LGraph properties that are manually handled by {@link LGraph.configure}. */
  static readonly ConfigureProperties = new Set([
    "nodes",
    "groups",
    "links",
    "state",
    "reroutes",
    "floatingLinks",
    "id",
    "subgraphs",
    "definitions",
    "inputs",
    "outputs",
    "widgets",
    "inputNode",
    "outputNode",
    "extra",
  ])

  id: UUID = zeroUuid
  revision: number = 0

  _version: number = -1
  /** The backing store for links.  Keys are wrapped in String() */
  _links: Map<LinkId, LLink> = new Map()
  /**
   * Indexed property access is deprecated.
   * Backwards compatibility with a Proxy has been added, but will eventually be removed.
   *
   * Use {@link Map} methods:
   * ```
   * const linkId = 123
   * const link = graph.links.get(linkId)
   * // Deprecated: const link = graph.links[linkId]
   * ```
   */
  links: Map<LinkId, LLink> & Record<LinkId, LLink>
  list_of_graphcanvas: LGraphCanvas[] | null
  status: number = LGraph.STATUS_STOPPED

  state: LGraphState = {
    lastGroupId: 0,
    lastNodeId: 0,
    lastLinkId: 0,
    lastRerouteId: 0,
  }

  readonly events = new CustomEventTarget<LGraphEventMap>()
  readonly _subgraphs: Map<UUID, Subgraph> = new Map()

  _nodes: (LGraphNode | SubgraphNode)[] = []
  _nodes_by_id: Record<NodeId, LGraphNode> = {}