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JavaScript@langchain/langgraph-sdkindexInferStateType
Type●Since v1.6

InferStateType

Infer the state type from an agent, graph, or direct state type.

Detection order:

  1. Agent-like (~agentTypes) → InferAgentState
  2. CompiledGraph (~RunOutput) → Extract RunOutput
  3. Pregel (~OutputType) → Extract OutputType
  4. Direct state type → Return as-is
Copy
InferStateType: T extends __type  InferAgentState<
  T
> : T extends __type  S extends Record<string, unknown>  S : Record<string, unknown> : T extends __type  O extends Record<string, unknown>  O : Record<string, unknown> : T extends Record<string, unknown>  T : Record<string, unknown>
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