Class CombiningOutputParser

Class to combine multiple output parsers

Hierarchy

Constructors

Properties

outputDelimiter: string = "-----"
parsers: BaseOutputParser<unknown>[]

Methods

  • Calls the parser with a given input and optional configuration options. If the input is a string, it creates a generation with the input as text and calls parseResult. If the input is a BaseMessage, it creates a generation with the input as a message and the content of the input as text, and then calls parseResult.

    Parameters

    • input: string | BaseMessage

      The input to the parser, which can be a string or a BaseMessage.

    • Optional options: BaseCallbackConfig

      Optional configuration options.

    Returns Promise<object>

    A promise of the parsed output.

  • Method to parse an input string using the parsers in the parsers array. The parsed outputs are combined into a single object and returned.

    Parameters

    • input: string

      The input string to parse.

    • Optional callbacks: Callbacks

      Optional Callbacks object.

    Returns Promise<CombinedOutput>

    A Promise that resolves to a CombinedOutput object.

  • Stream all output from a runnable, as reported to the callback system. This includes all inner runs of LLMs, Retrievers, Tools, etc. Output is streamed as Log objects, which include a list of jsonpatch ops that describe how the state of the run has changed in each step, and the final state of the run. The jsonpatch ops can be applied in order to construct state.

    Parameters

    • input: string | BaseMessage
    • Optional options: Partial<BaseCallbackConfig>
    • Optional streamOptions: Omit<LogStreamCallbackHandlerInput, "autoClose">

    Returns AsyncGenerator<RunLogPatch, any, unknown>

  • Default implementation of transform, which buffers input and then calls stream. Subclasses should override this method if they can start producing output while input is still being generated.

    Parameters

    Returns AsyncGenerator<object, any, unknown>

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