@n8n/n8n-nodes-langchain
Version:
102 lines • 4.58 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.OutputParserAutofixing = void 0;
const prompts_1 = require("@langchain/core/prompts");
const n8n_workflow_1 = require("n8n-workflow");
const N8nOutputParser_1 = require("../../../utils/output_parsers/N8nOutputParser");
const ai_utilities_1 = require("@n8n/ai-utilities");
const prompt_1 = 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: n8n_workflow_1.NodeConnectionTypes.AiLanguageModel,
required: true,
},
{
displayName: 'Output Parser',
maxConnections: 1,
required: true,
type: n8n_workflow_1.NodeConnectionTypes.AiOutputParser,
},
],
outputs: [n8n_workflow_1.NodeConnectionTypes.AiOutputParser],
outputNames: ['Output Parser'],
builderHint: {
inputs: {
ai_languageModel: { required: true },
ai_outputParser: { required: true },
},
},
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, ai_utilities_1.getConnectionHintNoticeField)([n8n_workflow_1.NodeConnectionTypes.AiChain, n8n_workflow_1.NodeConnectionTypes.AiAgent]),
{
displayName: 'Options',
name: 'options',
type: 'collection',
placeholder: 'Add Option',
default: {},
options: [
{
displayName: 'Retry Prompt',
name: 'prompt',
type: 'string',
default: prompt_1.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(n8n_workflow_1.NodeConnectionTypes.AiLanguageModel, itemIndex));
const outputParser = (await this.getInputConnectionData(n8n_workflow_1.NodeConnectionTypes.AiOutputParser, itemIndex));
const prompt = this.getNodeParameter('options.prompt', itemIndex, prompt_1.NAIVE_FIX_PROMPT);
if (prompt.length === 0 || !prompt.includes('{error}')) {
throw new n8n_workflow_1.NodeOperationError(this.getNode(), 'Auto-fixing parser prompt has to contain {error} placeholder');
}
const parser = new N8nOutputParser_1.N8nOutputFixingParser(this, model, outputParser, prompts_1.PromptTemplate.fromTemplate(prompt));
return {
response: parser,
};
}
}
exports.OutputParserAutofixing = OutputParserAutofixing;
//# sourceMappingURL=OutputParserAutofixing.node.js.map