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fix(Basic LLM Chain Node): Prevent stringifying of structured output on previous versions (#14200)

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This commit is contained in:
oleg
2025-03-27 11:48:17 +01:00
committed by GitHub
parent a4a34a2745
commit bbd6e8ee41
6 changed files with 375 additions and 19 deletions
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6
packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/methods/responseFormatter.ts
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@@ -3,7 +3,7 @@ import type { IDataObject } from 'n8n-workflow';
/**
* Formats the response from the LLM chain into a consistent structure
*/
export function formatResponse(response: unknown, version: number): IDataObject {
export function formatResponse(response: unknown, returnUnwrappedObject: boolean): IDataObject {
if (typeof response === 'string') {
return {
text: response.trim(),
@@ -17,10 +17,12 @@ export function formatResponse(response: unknown, version: number): IDataObject
}
if (response instanceof Object) {
if (version >= 1.6) {
if (returnUnwrappedObject) {
return response as IDataObject;
}
// If the response is an object and we are not unwrapping it, we need to stringify it
// to be backwards compatible with older versions of the chain(< 1.6)
return {
text: JSON.stringify(response),
};