langchain/dist/agents/middleware/toolEmulator.d.ts.map

Typescript bindings for langchain

{"version":3,"file":"toolEmulator.d.ts","names":["BaseChatModel","ClientTool","ServerTool","createMiddleware","ToolEmulatorOptions","toolEmulatorMiddleware","ReturnType"],"sources":["../../../src/agents/middleware/toolEmulator.d.ts"],"sourcesContent":["import type { BaseChatModel } from \"@langchain/core/language_models/chat_models\";\nimport type { ClientTool, ServerTool } from \"@langchain/core/tools\";\nimport { createMiddleware } from \"../middleware.js\";\n/**\n * Options for configuring the Tool Emulator middleware.\n */\nexport interface ToolEmulatorOptions {\n    /**\n     * List of tool names (string) or tool instances to emulate.\n     * - If `undefined` (default), ALL tools will be emulated.\n     * - If empty array, no tools will be emulated.\n     * - If array with tool names/instances, only those tools will be emulated.\n     */\n    tools?: (string | ClientTool | ServerTool)[];\n    /**\n     * Model to use for emulation.\n     * - Can be a model identifier string (e.g., \"anthropic:claude-sonnet-4-5-20250929\")\n     * - Can be a BaseChatModel instance\n     * - Defaults to agent model\n     */\n    model?: string | BaseChatModel;\n}\n/**\n * Middleware that emulates specified tools using an LLM instead of executing them.\n *\n * This middleware allows selective emulation of tools for testing purposes.\n * By default (when `tools` is undefined), all tools are emulated. You can specify\n * which tools to emulate by passing a list of tool names or tool instances.\n *\n * @param options - Configuration options for the middleware\n * @param options.tools - List of tool names or tool instances to emulate. If undefined, all tools are emulated.\n * @param options.model - Model to use for emulation. Defaults to \"anthropic:claude-sonnet-4-5-20250929\".\n *\n * @example Emulate all tools (default behavior)\n * ```ts\n * import { toolEmulatorMiddleware } from \"@langchain/langchain/agents/middleware\";\n * import { createAgent } from \"@langchain/langchain/agents\";\n *\n * const middleware = toolEmulatorMiddleware();\n *\n * const agent = createAgent({\n *   model: \"openai:gpt-4o\",\n *   tools: [getWeather, getUserLocation, calculator],\n *   middleware: [middleware],\n * });\n * ```\n *\n * @example Emulate specific tools by name\n * ```ts\n * const middleware = toolEmulatorMiddleware({\n *   tools: [\"get_weather\", \"get_user_location\"]\n * });\n * ```\n *\n * @example Use a custom model for emulation\n * ```ts\n * const middleware = toolEmulatorMiddleware({\n *   tools: [\"get_weather\"],\n *   model: \"anthropic:claude-sonnet-4-5-20250929\"\n * });\n * ```\n *\n * @example Emulate specific tools by passing tool instances\n * ```ts\n * const middleware = toolEmulatorMiddleware({\n *   tools: [getWeather, getUserLocation]\n * });\n * ```\n */\nexport declare function toolEmulatorMiddleware(options?: ToolEmulatorOptions): ReturnType<typeof createMiddleware>;\n//# sourceMappingURL=toolEmulator.d.ts.map"],"mappings":";;;;;;;;AAMA;AAOsBC,UAPLG,mBAAAA,CAOKH;EAAaC;;AAOD;AAiDlC;;;EAA+EI,KAAAA,CAAAA,EAAAA,CAAAA,MAAAA,GAxDzDL,UAwDyDK,GAxD5CJ,UAwD4CI,CAAAA,EAAAA;EAAU;;;;;;mBAjDpEN;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;iBAiDGK,sBAAAA,WAAiCD,sBAAsBE,kBAAkBH"}