@langchain/core/dist/output_parsers/standard_schema.cjs.map

Core LangChain.js abstractions and schemas

{"version":3,"file":"standard_schema.cjs","names":["BaseOutputParser","parseJsonMarkdown","OutputParserException"],"sources":["../../src/output_parsers/standard_schema.ts"],"sourcesContent":["import { StandardSchemaV1 } from \"@standard-schema/spec\";\nimport { BaseOutputParser, OutputParserException } from \"./base.js\";\nimport { parseJsonMarkdown } from \"./json.js\";\nimport { BaseMessage } from \"../messages/index.js\";\n\nexport class StandardSchemaOutputParser<\n  // oxlint-disable-next-line @typescript-eslint/no-explicit-any\n  RunOutput extends Record<string, any> = Record<string, any>,\n> extends BaseOutputParser<RunOutput> {\n  static lc_name() {\n    return \"StandardSchemaOutputParser\";\n  }\n\n  lc_namespace = [\"langchain\", \"output_parsers\", \"standard_schema\"];\n\n  private readonly schema: StandardSchemaV1<RunOutput>;\n\n  constructor(schema: StandardSchemaV1<RunOutput>) {\n    super();\n    this.schema = schema;\n  }\n\n  static fromSerializableSchema<\n    // oxlint-disable-next-line @typescript-eslint/no-explicit-any\n    RunOutput extends Record<string, any> = Record<string, any>,\n  >(schema: StandardSchemaV1<RunOutput>) {\n    return new this(schema);\n  }\n\n  async parse(text: string): Promise<RunOutput> {\n    try {\n      const json = parseJsonMarkdown(text, JSON.parse);\n      const result = await this.schema[\"~standard\"].validate(json);\n      if (result.issues) {\n        throw new Error(`Validation failed: ${JSON.stringify(result.issues)}`);\n      }\n      return result.value as RunOutput;\n    } catch (e) {\n      throw new OutputParserException(\n        `Failed to parse. Text: \"${text}\". Error: ${e}`,\n        text\n      );\n    }\n  }\n\n  protected override _baseMessageToString(message: BaseMessage): string {\n    return message.text;\n  }\n\n  getFormatInstructions(): string {\n    return \"\";\n  }\n}\n"],"mappings":";;;;AAKA,IAAa,6BAAb,cAGUA,aAAAA,iBAA4B;CACpC,OAAO,UAAU;EACf,OAAO;CACT;CAEA,eAAe;EAAC;EAAa;EAAkB;CAAiB;CAEhE;CAEA,YAAY,QAAqC;EAC/C,MAAM;EACN,KAAK,SAAS;CAChB;CAEA,OAAO,uBAGL,QAAqC;EACrC,OAAO,IAAI,KAAK,MAAM;CACxB;CAEA,MAAM,MAAM,MAAkC;EAC5C,IAAI;GACF,MAAM,OAAOC,aAAAA,kBAAkB,MAAM,KAAK,KAAK;GAC/C,MAAM,SAAS,MAAM,KAAK,OAAO,YAAY,CAAC,SAAS,IAAI;GAC3D,IAAI,OAAO,QACT,MAAM,IAAI,MAAM,sBAAsB,KAAK,UAAU,OAAO,MAAM,GAAG;GAEvE,OAAO,OAAO;EAChB,SAAS,GAAG;GACV,MAAM,IAAIC,aAAAA,sBACR,2BAA2B,KAAK,YAAY,KAC5C,IACF;EACF;CACF;CAEA,qBAAwC,SAA8B;EACpE,OAAO,QAAQ;CACjB;CAEA,wBAAgC;EAC9B,OAAO;CACT;AACF"}