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fix(Structured Output Parser Node, Auto-fixing Output Parser Node, Tools Agent Node): Structured output improvements (#13908)

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Co-authored-by: Oleg Ivaniv <me@olegivaniv.com>
This commit is contained in:
Eugene
2025-03-13 18:20:24 +03:00
committed by GitHub
parent 31037484a5
commit 5b6b78709e
7 changed files with 138 additions and 13 deletions
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7
packages/@n8n/nodes-langchain/utils/output_parsers/N8nOutputFixingParser.ts
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@@ -39,7 +39,12 @@ export class N8nOutputFixingParser extends BaseOutputParser {
try {
// First attempt to parse the completion
const response = await this.outputParser.parse(completion, callbacks, (e) => e);
const response = await this.outputParser.parse(completion, callbacks, (e) => {
if (e instanceof OutputParserException) {
return e;
}
return new OutputParserException(e.message, completion);
});
logAiEvent(this.context, 'ai-output-parsed', { text: completion, response });
this.context.addOutputData(NodeConnectionType.AiOutputParser, index, [

7
packages/@n8n/nodes-langchain/utils/output_parsers/N8nStructuredOutputParser.ts
View File

@@ -5,7 +5,7 @@ import type { ISupplyDataFunctions } from 'n8n-workflow';
import { NodeConnectionType, NodeOperationError } from 'n8n-workflow';
import { z } from 'zod';
import { logAiEvent } from '../helpers';
import { logAiEvent, unwrapNestedOutput } from '../helpers';
const STRUCTURED_OUTPUT_KEY = '__structured__output';
const STRUCTURED_OUTPUT_OBJECT_KEY = '__structured__output__object';
@@ -36,11 +36,14 @@ export class N8nStructuredOutputParser extends StructuredOutputParser<
const json = JSON.parse(jsonString.trim());
const parsed = await this.schema.parseAsync(json);
const result = (get(parsed, [STRUCTURED_OUTPUT_KEY, STRUCTURED_OUTPUT_OBJECT_KEY]) ??
let result = (get(parsed, [STRUCTURED_OUTPUT_KEY, STRUCTURED_OUTPUT_OBJECT_KEY]) ??
get(parsed, [STRUCTURED_OUTPUT_KEY, STRUCTURED_OUTPUT_ARRAY_KEY]) ??
get(parsed, STRUCTURED_OUTPUT_KEY) ??
parsed) as Record<string, unknown>;
// Unwrap any doubly-nested output structures (e.g., {output: {output: {...}}})
result = unwrapNestedOutput(result);
logAiEvent(this.context, 'ai-output-parsed', { text, response: result });
this.context.addOutputData(NodeConnectionType.AiOutputParser, index, [