@langchain/anthropic
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Anthropic integrations for LangChain.js
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{"version":3,"file":"tools.cjs","names":["toolChoice?: AnthropicToolChoice","z","ANTHROPIC_TOOL_BETAS: Record<string, string>"],"sources":["../../src/utils/tools.ts"],"sourcesContent":["import type { Anthropic } from \"@anthropic-ai/sdk\";\nimport * as z from \"zod/v4\";\nimport { AnthropicToolChoice } from \"../types.js\";\n\nexport function handleToolChoice(\n toolChoice?: AnthropicToolChoice\n):\n | Anthropic.Messages.ToolChoiceAuto\n | Anthropic.Messages.ToolChoiceAny\n | Anthropic.Messages.ToolChoiceTool\n | Anthropic.Messages.ToolChoiceNone\n | undefined {\n if (!toolChoice) {\n return undefined;\n } else if (toolChoice === \"any\") {\n return {\n type: \"any\",\n };\n } else if (toolChoice === \"auto\") {\n return {\n type: \"auto\",\n };\n } else if (toolChoice === \"none\") {\n return {\n type: \"none\",\n };\n } else if (typeof toolChoice === \"string\") {\n return {\n type: \"tool\",\n name: toolChoice,\n };\n } else {\n return toolChoice;\n }\n}\n\nexport const AnthropicToolExtrasSchema = z.object({\n cache_control: z\n .custom<Anthropic.Messages.CacheControlEphemeral>()\n .optional()\n .nullable(),\n defer_loading: z.boolean().optional(),\n input_examples: z.array(z.unknown()).optional(),\n allowed_callers: z.array(z.unknown()).optional(),\n});\n\n/**\n * Mapping of Anthropic tool types to their required beta feature flags.\n *\n * This constant defines which beta header is needed for specific tool types\n * when making requests to the Anthropic API. Beta features are experimental\n * capabilities that may change or be removed.\n */\nexport const ANTHROPIC_TOOL_BETAS: Record<string, string> = {\n tool_search_tool_regex_20251119: \"advanced-tool-use-2025-11-20\",\n tool_search_tool_bm25_20251119: \"advanced-tool-use-2025-11-20\",\n memory_20250818: \"context-management-2025-06-27\",\n web_fetch_20250910: \"web-fetch-2025-09-10\",\n code_execution_20250825: \"code-execution-2025-08-25\",\n computer_20251124: \"computer-use-2025-11-24\",\n computer_20250124: \"computer-use-2025-01-24\",\n mcp_toolset: \"mcp-client-2025-11-20\",\n};\n"],"mappings":";;;;AAIA,SAAgB,iBACdA,YAMY;AACZ,KAAI,CAAC,WACH,QAAO;UACE,eAAe,MACxB,QAAO,EACL,MAAM,MACP;UACQ,eAAe,OACxB,QAAO,EACL,MAAM,OACP;UACQ,eAAe,OACxB,QAAO,EACL,MAAM,OACP;UACQ,OAAO,eAAe,SAC/B,QAAO;EACL,MAAM;EACN,MAAM;CACP;KAED,QAAO;AAEV;AAED,MAAa,4BAA4BC,OAAE,OAAO;CAChD,eAAeA,OACZ,QAAkD,CAClD,UAAU,CACV,UAAU;CACb,eAAeA,OAAE,SAAS,CAAC,UAAU;CACrC,gBAAgBA,OAAE,MAAMA,OAAE,SAAS,CAAC,CAAC,UAAU;CAC/C,iBAAiBA,OAAE,MAAMA,OAAE,SAAS,CAAC,CAAC,UAAU;AACjD,EAAC;;;;;;;;AASF,MAAaC,uBAA+C;CAC1D,iCAAiC;CACjC,gCAAgC;CAChC,iBAAiB;CACjB,oBAAoB;CACpB,yBAAyB;CACzB,mBAAmB;CACnB,mBAAmB;CACnB,aAAa;AACd"}