Class Graph<N, RunInput, RunOutput, NodeSpecType, C>

constructor

• new Graph<N, RunInput, RunOutput, NodeSpecType, C>(): Graph<N, RunInput, RunOutput, NodeSpecType, C>

• Type Parameters

  • N extends string = "__end__"
  • RunInput = any
  • RunOutput = any
  • NodeSpecType extends NodeSpec<RunInput, RunOutput> = NodeSpec<RunInput, RunOutput>
  • C extends StateDefinition = StateDefinition

  Returns Graph<N, RunInput, RunOutput, NodeSpecType, C>

branches

compiled

edges

Optional entryPoint

nodes

allEdges

• get allEdges(): Set<[string, string]>

• Returns Set<[string, string]>

addConditionalEdges

• addConditionalEdges(source): this

• Parameters

  • source: BranchOptions<RunInput, N, LangGraphRunnableConfig<StateType<C>>>

  Returns this

• addConditionalEdges(source, path, pathMap?): this

• Parameters

  • source: N
  • path: ((input, config) => string | Send | (string | Send)[] | Promise<string | Send | (string | Send)[]>)
    • • (input, config): string | Send | (string | Send)[] | Promise<string | Send | (string | Send)[]>

      • Parameters

        • input: RunInput
        • config: LangGraphRunnableConfig<StateType<C>>

        Returns string | Send | (string | Send)[] | Promise<string | Send | (string | Send)[]>

  • Optional pathMap: Record<string, "__end__" | N> | ("__end__" | N)[]

  Returns this

addEdge

• addEdge(startKey, endKey): this

• Parameters

  • startKey: "__start__" | N
  • endKey: "__end__" | N

  Returns this

addNode

• addNode<K, NodeInput>(key, action, options?): Graph<N | K, RunInput, RunOutput, NodeSpec<RunInput, RunOutput>, StateDefinition>

• Type Parameters

  • K extends string
  • NodeInput = RunInput

  Parameters

  • key: K
  • action: RunnableLike<NodeInput, RunOutput extends object
        ? RunOutput<RunOutput> & Record<string, any>
        : RunOutput, LangGraphRunnableConfig<StateType<C>>>
  • Optional options: AddNodeOptions

  Returns Graph<N | K, RunInput, RunOutput, NodeSpec<RunInput, RunOutput>, StateDefinition>

compile

• compile(__namedParameters?): CompiledGraph<N, any, any, Record<string, any>>

• Parameters

  • Optional __namedParameters: {
        checkpointer?: false | BaseCheckpointSaver<number>;
        interruptAfter?: "*" | N[];
        interruptBefore?: "*" | N[];
    }

    • Optional checkpointer?: false | BaseCheckpointSaver<number>

    • Optional interruptAfter?: "*" | N[]

    • Optional interruptBefore?: "*" | N[]

  Returns CompiledGraph<N, any, any, Record<string, any>>

setEntryPoint

• setEntryPoint(key): this

• Parameters

  • key: N

  Returns this

  Deprecated

  use addEdge(START, key) instead

setFinishPoint

• setFinishPoint(key): this

• Parameters

  • key: N

  Returns this

  Deprecated

  use addEdge(key, END) instead

validate

• validate(interrupt?): void

• Parameters

  • Optional interrupt: string[]

  Returns void