@langchain/core/dist/messages/system.cjs.map

Core LangChain.js abstractions and schemas

{"version":3,"file":"system.cjs","names":["BaseMessage","fields:\n      | $InferMessageContent<TStructure, \"system\">\n      | SystemMessageFields<TStructure>","chunk: string | SystemMessage","mergeContent","obj: unknown","BaseMessageChunk","chunk: SystemMessageChunk<TStructure>","_mergeDicts","x: BaseMessage","x: BaseMessageChunk"],"sources":["../../src/messages/system.ts"],"sourcesContent":["import {\n  BaseMessage,\n  BaseMessageChunk,\n  mergeContent,\n  _mergeDicts,\n  type BaseMessageFields,\n} from \"./base.js\";\nimport { $InferMessageContent, MessageStructure } from \"./message.js\";\nimport { Constructor } from \"./utils.js\";\n\nexport interface SystemMessageFields<\n  TStructure extends MessageStructure = MessageStructure\n> extends BaseMessageFields<TStructure, \"system\"> {}\n\n/**\n * Represents a system message in a conversation.\n */\nexport class SystemMessage<\n  TStructure extends MessageStructure = MessageStructure\n> extends BaseMessage<TStructure, \"system\"> {\n  static lc_name() {\n    return \"SystemMessage\";\n  }\n\n  readonly type = \"system\" as const;\n\n  constructor(\n    fields:\n      | $InferMessageContent<TStructure, \"system\">\n      | SystemMessageFields<TStructure>\n  ) {\n    super(fields);\n  }\n\n  /**\n   * Concatenates a string or another system message with the current system message.\n   * @param chunk - The chunk to concatenate with the system message.\n   * @returns A new system message with the concatenated content.\n   */\n  concat(chunk: string | SystemMessage) {\n    if (typeof chunk === \"string\") {\n      return new SystemMessage({\n        ...this,\n        content: mergeContent(this.content, chunk),\n      });\n    }\n\n    if (SystemMessage.isInstance(chunk)) {\n      return new SystemMessage({\n        ...this,\n        additional_kwargs: {\n          ...this.additional_kwargs,\n          ...chunk.additional_kwargs,\n        },\n        response_metadata: {\n          ...this.response_metadata,\n          ...chunk.response_metadata,\n        },\n        content: mergeContent(this.content, chunk.content),\n      });\n    }\n\n    throw new Error(\"Unexpected chunk type for system message\");\n  }\n\n  static isInstance(obj: unknown): obj is SystemMessage {\n    return super.isInstance(obj) && obj.type === \"system\";\n  }\n}\n\n/**\n * Represents a chunk of a system message, which can be concatenated with\n * other system message chunks.\n */\nexport class SystemMessageChunk<\n  TStructure extends MessageStructure = MessageStructure\n> extends BaseMessageChunk<TStructure, \"system\"> {\n  static lc_name() {\n    return \"SystemMessageChunk\";\n  }\n\n  readonly type = \"system\" as const;\n\n  constructor(\n    fields:\n      | $InferMessageContent<TStructure, \"system\">\n      | SystemMessageFields<TStructure>\n  ) {\n    super(fields);\n  }\n\n  concat(chunk: SystemMessageChunk<TStructure>) {\n    const Cls = this.constructor as Constructor<this>;\n    return new Cls({\n      content: mergeContent(this.content, chunk.content),\n      additional_kwargs: _mergeDicts(\n        this.additional_kwargs,\n        chunk.additional_kwargs\n      ),\n      response_metadata: _mergeDicts(\n        this.response_metadata,\n        chunk.response_metadata\n      ),\n      id: this.id ?? chunk.id,\n    });\n  }\n\n  static isInstance(obj: unknown): obj is SystemMessageChunk {\n    return super.isInstance(obj) && obj.type === \"system\";\n  }\n}\n\n/**\n * @deprecated Use {@link SystemMessage.isInstance} instead\n */\nexport function isSystemMessage<TStructure extends MessageStructure>(\n  x: BaseMessage\n): x is SystemMessage<TStructure> {\n  return x._getType() === \"system\";\n}\n\n/**\n * @deprecated Use {@link SystemMessageChunk.isInstance} instead\n */\nexport function isSystemMessageChunk<TStructure extends MessageStructure>(\n  x: BaseMessageChunk\n): x is SystemMessageChunk<TStructure> {\n  return x._getType() === \"system\";\n}\n"],"mappings":";;;;;;AAiBA,IAAa,gBAAb,MAAa,sBAEHA,yBAAkC;CAC1C,OAAO,UAAU;AACf,SAAO;CACR;CAED,AAAS,OAAO;CAEhB,YACEC,QAGA;EACA,MAAM,OAAO;CACd;;;;;;CAOD,OAAOC,OAA+B;AACpC,MAAI,OAAO,UAAU,SACnB,QAAO,IAAI,cAAc;GACvB,GAAG;GACH,SAASC,0BAAa,KAAK,SAAS,MAAM;EAC3C;AAGH,MAAI,cAAc,WAAW,MAAM,CACjC,QAAO,IAAI,cAAc;GACvB,GAAG;GACH,mBAAmB;IACjB,GAAG,KAAK;IACR,GAAG,MAAM;GACV;GACD,mBAAmB;IACjB,GAAG,KAAK;IACR,GAAG,MAAM;GACV;GACD,SAASA,0BAAa,KAAK,SAAS,MAAM,QAAQ;EACnD;AAGH,QAAM,IAAI,MAAM;CACjB;CAED,OAAO,WAAWC,KAAoC;AACpD,SAAO,MAAM,WAAW,IAAI,IAAI,IAAI,SAAS;CAC9C;AACF;;;;;AAMD,IAAa,qBAAb,cAEUC,8BAAuC;CAC/C,OAAO,UAAU;AACf,SAAO;CACR;CAED,AAAS,OAAO;CAEhB,YACEJ,QAGA;EACA,MAAM,OAAO;CACd;CAED,OAAOK,OAAuC;EAC5C,MAAM,MAAM,KAAK;AACjB,SAAO,IAAI,IAAI;GACb,SAASH,0BAAa,KAAK,SAAS,MAAM,QAAQ;GAClD,mBAAmBI,yBACjB,KAAK,mBACL,MAAM,kBACP;GACD,mBAAmBA,yBACjB,KAAK,mBACL,MAAM,kBACP;GACD,IAAI,KAAK,MAAM,MAAM;EACtB;CACF;CAED,OAAO,WAAWH,KAAyC;AACzD,SAAO,MAAM,WAAW,IAAI,IAAI,IAAI,SAAS;CAC9C;AACF;;;;AAKD,SAAgB,gBACdI,GACgC;AAChC,QAAO,EAAE,UAAU,KAAK;AACzB;;;;AAKD,SAAgB,qBACdC,GACqC;AACrC,QAAO,EAAE,UAAU,KAAK;AACzB"}