@n8n/n8n-nodes-langchain
Version:
133 lines • 4.8 kB
JavaScript
;
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 OutputParserAutofixing_node_exports = {};
__export(OutputParserAutofixing_node_exports, {
OutputParserAutofixing: () => OutputParserAutofixing
});
module.exports = __toCommonJS(OutputParserAutofixing_node_exports);
var import_prompts = require("@langchain/core/prompts");
var import_n8n_workflow = require("n8n-workflow");
var import_N8nOutputParser = require("../../../utils/output_parsers/N8nOutputParser");
var import_sharedFields = require("../../../utils/sharedFields");
var import_prompt = require("./prompt");
class OutputParserAutofixing {
constructor() {
this.description = {
displayName: "Auto-fixing Output Parser",
name: "outputParserAutofixing",
icon: "fa:tools",
iconColor: "black",
group: ["transform"],
version: 1,
description: "Deprecated, use structured output parser",
defaults: {
name: "Auto-fixing Output Parser"
},
codex: {
categories: ["AI"],
subcategories: {
AI: ["Output Parsers"]
},
resources: {
primaryDocumentation: [
{
url: "https://docs.n8n.io/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.outputparserautofixing/"
}
]
}
},
inputs: [
{
displayName: "Model",
maxConnections: 1,
type: import_n8n_workflow.NodeConnectionTypes.AiLanguageModel,
required: true
},
{
displayName: "Output Parser",
maxConnections: 1,
required: true,
type: import_n8n_workflow.NodeConnectionTypes.AiOutputParser
}
],
outputs: [import_n8n_workflow.NodeConnectionTypes.AiOutputParser],
outputNames: ["Output Parser"],
properties: [
{
displayName: "This node wraps another output parser. If the first one fails it calls an LLM to fix the format",
name: "info",
type: "notice",
default: ""
},
(0, import_sharedFields.getConnectionHintNoticeField)([import_n8n_workflow.NodeConnectionTypes.AiChain, import_n8n_workflow.NodeConnectionTypes.AiAgent]),
{
displayName: "Options",
name: "options",
type: "collection",
placeholder: "Add Option",
default: {},
options: [
{
displayName: "Retry Prompt",
name: "prompt",
type: "string",
default: import_prompt.NAIVE_FIX_PROMPT,
typeOptions: {
rows: 10
},
hint: 'Should include "{error}", "{instructions}", and "{completion}" placeholders',
description: 'Prompt template used for fixing the output. Uses placeholders: "{instructions}" for parsing rules, "{completion}" for the failed attempt, and "{error}" for the validation error message.'
}
]
}
]
};
}
async supplyData(itemIndex) {
const model = await this.getInputConnectionData(
import_n8n_workflow.NodeConnectionTypes.AiLanguageModel,
itemIndex
);
const outputParser = await this.getInputConnectionData(
import_n8n_workflow.NodeConnectionTypes.AiOutputParser,
itemIndex
);
const prompt = this.getNodeParameter("options.prompt", itemIndex, import_prompt.NAIVE_FIX_PROMPT);
if (prompt.length === 0 || !prompt.includes("{error}")) {
throw new import_n8n_workflow.NodeOperationError(
this.getNode(),
"Auto-fixing parser prompt has to contain {error} placeholder"
);
}
const parser = new import_N8nOutputParser.N8nOutputFixingParser(
this,
model,
outputParser,
import_prompts.PromptTemplate.fromTemplate(prompt)
);
return {
response: parser
};
}
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
OutputParserAutofixing
});
//# sourceMappingURL=OutputParserAutofixing.node.js.map