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

constructor

• new Graph<
      N extends string = "__end__",
      RunInput = any,
      RunOutput = any,
      NodeSpecType extends
          NodeSpec<RunInput, RunOutput> = NodeSpec<RunInput, RunOutput>,
      C extends StateDefinition = StateDefinition,
  >(): 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

OptionalentryPoint

nodes

allEdges

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

  Returns Set<[string, string]>

addConditionalEdges

• addConditionalEdges(
      source: BranchOptions<
          RunInput,
          N,
          LangGraphRunnableConfig<StateType<C>>,
      >,
  ): this

  Parameters

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

  Returns this

• addConditionalEdges(
      source: N,
      path: RunnableLike<
          RunInput,
          BranchPathReturnValue,
          LangGraphRunnableConfig<StateType<C>>,
      >,
      pathMap?: Record<string, "__end__" | N> | ("__end__" | N)[],
  ): this

  Parameters

  • source: N
  • path: RunnableLike<
        RunInput,
        BranchPathReturnValue,
        LangGraphRunnableConfig<StateType<C>>,
    >
  • OptionalpathMap: Record<string, "__end__" | N> | ("__end__" | N)[]

  Returns this

addEdge

• addEdge(startKey: "__start__" | N, endKey: "__end__" | N): this

  Parameters

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

  Returns this

addNode

• addNode<K extends string, NodeInput = RunInput>(
      key: K,
      action: RunnableLike<
          NodeInput,
          RunOutput extends object
              ? RunOutput<RunOutput> & Record<string, any>
              : RunOutput,
          LangGraphRunnableConfig<StateType<C>>,
      >,
      options?: AddNodeOptions,
  ): Graph<N | K, RunInput, RunOutput>

  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>>,
    >
  • Optionaloptions: AddNodeOptions

  Returns Graph<N | K, RunInput, RunOutput>

compile

• compile(
      __namedParameters?: {
          checkpointer?: false | BaseCheckpointSaver<number>;
          interruptAfter?: "*" | N[];
          interruptBefore?: "*" | N[];
          name?: string;
      },
  ): CompiledGraph<N>

  Parameters

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

  Returns CompiledGraph<N>

setEntryPoint

• setEntryPoint(key: N): this

  Parameters

  • key: N

  Returns this

  Deprecated

  use addEdge(START, key) instead

setFinishPoint

• setFinishPoint(key: N): this

  Parameters

  • key: N

  Returns this

  Deprecated

  use addEdge(key, END) instead

validate

• validate(interrupt?: string[]): void

  Parameters

  • Optionalinterrupt: string[]

  Returns void