langchain
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Typescript bindings for langchain
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{"version":3,"file":"errors.cjs","names":["toolNames: string[]","toolName: string","errors: string[]","toolError: unknown","toolCall: ToolCall","error: unknown","middlewareName: string"],"sources":["../../src/agents/errors.ts"],"sourcesContent":["/* eslint-disable no-instanceof/no-instanceof */\nimport type { ToolCall } from \"@langchain/core/messages/tool\";\n\nexport class MultipleToolsBoundError extends Error {\n constructor() {\n super(\n \"The provided LLM already has bound tools. \" +\n \"Please provide an LLM without bound tools to createAgent. \" +\n \"The agent will bind the tools provided in the 'tools' parameter.\"\n );\n }\n}\n\n/**\n * Raised when model returns multiple structured output tool calls when only one is expected.\n */\nexport class MultipleStructuredOutputsError extends Error {\n public readonly toolNames: string[];\n\n constructor(toolNames: string[]) {\n super(\n `The model has called multiple tools: ${toolNames.join(\n \", \"\n )} to return a structured output. ` +\n \"This is not supported. Please provide a single structured output.\"\n );\n this.toolNames = toolNames;\n }\n}\n\n/**\n * Raised when structured output tool call arguments fail to parse according to the schema.\n */\nexport class StructuredOutputParsingError extends Error {\n public readonly toolName: string;\n\n public readonly errors: string[];\n\n constructor(toolName: string, errors: string[]) {\n super(\n `Failed to parse structured output for tool '${toolName}':${errors\n .map((e) => `\\n - ${e}`)\n .join(\"\")}.`\n );\n this.toolName = toolName;\n this.errors = errors;\n }\n}\n\n/**\n * Raised when a tool call is throwing an error.\n */\nexport class ToolInvocationError extends Error {\n public readonly toolCall: ToolCall;\n\n public readonly toolError: Error;\n\n constructor(toolError: unknown, toolCall: ToolCall) {\n const error =\n toolError instanceof Error ? toolError : new Error(String(toolError));\n const toolArgs = JSON.stringify(toolCall.args);\n super(\n `Error invoking tool '${toolCall.name}' with kwargs ${toolArgs} with error: ${error.stack}\\n Please fix the error and try again.`\n );\n\n this.toolCall = toolCall;\n this.toolError = error;\n }\n}\n\n/**\n * Error thrown when a middleware fails.\n */\nexport class MiddlewareError extends Error {\n static readonly \"~brand\" = \"MiddlewareError\";\n\n constructor(error: unknown, middlewareName: string) {\n const errorMessage = error instanceof Error ? error.message : String(error);\n super(errorMessage);\n this.name =\n error instanceof Error\n ? error.name\n : `${middlewareName[0].toUpperCase() + middlewareName.slice(1)}Error`;\n\n if (error instanceof Error) {\n this.cause = error;\n }\n }\n\n /**\n * Check if the error is a MiddlewareError.\n * @param error - The error to check\n * @returns Whether the error is a MiddlewareError\n */\n isInstance(error: unknown): error is MiddlewareError {\n return (\n error instanceof Error &&\n \"~brand\" in error &&\n error[\"~brand\"] === \"MiddlewareError\"\n );\n }\n}\n"],"mappings":";;AAGA,IAAa,0BAAb,cAA6C,MAAM;CACjD,cAAc;EACZ,MACE,uKAGD;CACF;AACF;;;;AAKD,IAAa,iCAAb,cAAoD,MAAM;CACxD,AAAgB;CAEhB,YAAYA,WAAqB;EAC/B,MACE,CAAC,qCAAqC,EAAE,UAAU,KAChD,KACD,CAAC,iGAAgC,CACmC,CACtE;EACD,KAAK,YAAY;CAClB;AACF;;;;AAKD,IAAa,+BAAb,cAAkD,MAAM;CACtD,AAAgB;CAEhB,AAAgB;CAEhB,YAAYC,UAAkBC,QAAkB;EAC9C,MACE,CAAC,4CAA4C,EAAE,SAAS,EAAE,EAAE,OACzD,IAAI,CAAC,MAAM,CAAC,MAAM,EAAE,GAAG,CAAC,CACxB,KAAK,GAAG,CAAC,CAAC,CAAC,CACf;EACD,KAAK,WAAW;EAChB,KAAK,SAAS;CACf;AACF;;;;AAKD,IAAa,sBAAb,cAAyC,MAAM;CAC7C,AAAgB;CAEhB,AAAgB;CAEhB,YAAYC,WAAoBC,UAAoB;EAClD,MAAM,QACJ,qBAAqB,QAAQ,YAAY,IAAI,MAAM,OAAO,UAAU;EACtE,MAAM,WAAW,KAAK,UAAU,SAAS,KAAK;EAC9C,MACE,CAAC,qBAAqB,EAAE,SAAS,KAAK,cAAc,EAAE,SAAS,aAAa,EAAE,MAAM,MAAM,sCAAsC,CAAC,CAClI;EAED,KAAK,WAAW;EAChB,KAAK,YAAY;CAClB;AACF;;;;AAKD,IAAa,kBAAb,cAAqC,MAAM;CACzC,OAAgB,WAAW;CAE3B,YAAYC,OAAgBC,gBAAwB;EAClD,MAAM,eAAe,iBAAiB,QAAQ,MAAM,UAAU,OAAO,MAAM;EAC3E,MAAM,aAAa;EACnB,KAAK,OACH,iBAAiB,QACb,MAAM,OACN,GAAG,eAAe,GAAG,aAAa,GAAG,eAAe,MAAM,EAAE,CAAC,KAAK,CAAC;AAEzE,MAAI,iBAAiB,OACnB,KAAK,QAAQ;CAEhB;;;;;;CAOD,WAAWD,OAA0C;AACnD,SACE,iBAAiB,SACjB,YAAY,SACZ,MAAM,cAAc;CAEvB;AACF"}