@n8n/n8n-nodes-langchain/dist/utils/fromAIToolFactory.js


"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var fromAIToolFactory_exports = {};
__export(fromAIToolFactory_exports, {
  createToolFromNode: () => createToolFromNode,
  createZodSchemaFromArgs: () => createZodSchemaFromArgs,
  extractFromAIParameters: () => extractFromAIParameters
});
module.exports = __toCommonJS(fromAIToolFactory_exports);
var import_tools = require("@langchain/core/tools");
var import_n8n_workflow = require("n8n-workflow");
var import_zod = require("zod");
function extractFromAIParameters(nodeParameters) {
  const collectedArguments = [];
  (0, import_n8n_workflow.traverseNodeParameters)(nodeParameters, collectedArguments);
  const uniqueArgsMap = /* @__PURE__ */ new Map();
  for (const arg of collectedArguments) {
    uniqueArgsMap.set(arg.key, arg);
  }
  return Array.from(uniqueArgsMap.values());
}
function createZodSchemaFromArgs(args) {
  const schemaObj = args.reduce((acc, placeholder) => {
    acc[placeholder.key] = (0, import_n8n_workflow.generateZodSchema)(placeholder);
    return acc;
  }, {});
  return import_zod.z.object(schemaObj).required();
}
function createToolFromNode(node, options) {
  const { name, description, func, extraArgs = [] } = options;
  const collectedArguments = extractFromAIParameters(node.parameters);
  if (collectedArguments.length === 0 && extraArgs.length === 0) {
    return new import_tools.DynamicTool({ name, description, func });
  }
  const allArguments = [...collectedArguments, ...extraArgs];
  const schema = createZodSchemaFromArgs(allArguments);
  return new import_tools.DynamicStructuredTool({ schema, name, description, func });
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  createToolFromNode,
  createZodSchemaFromArgs,
  extractFromAIParameters
});
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