Class: BaseOutputParser

schema.BaseOutputParser

Class to parse the output of an LLM call.

Hierarchy

• BaseOutputParser

  ↳ AgentActionOutputParser

  ↳ ChatConversationalAgentOutputParser

  ↳ ListOutputParser

  ↳ RegexParser

  ↳ StructuredOutputParser

  ↳ OutputFixingParser

Constructors

constructor

• new BaseOutputParser()

Methods

_type

▸ _type(): string

Return the string type key uniquely identifying this class of parser

Returns

string

Defined in

langchain/src/schema/index.ts:169

---

getFormatInstructions

▸ Abstract getFormatInstructions(): string

Return a string describing the format of the output.

Example

{
 "foo": "bar"
}

Returns

string

Format instructions.

Defined in

langchain/src/schema/index.ts:164

---

parse

▸ Abstract parse(text): Promise<unknown>

Parse the output of an LLM call.

Parameters

Name	Type	Description
text	string	LLM output to parse.

Returns

Promise<unknown>

Parsed output.

Defined in

langchain/src/schema/index.ts:145

---

parseWithPrompt

▸ parseWithPrompt(text, _prompt): Promise<unknown>

Parameters

Name	Type
text	string
_prompt	BasePromptValue

Returns

Promise<unknown>

Defined in

langchain/src/schema/index.ts:147