github-starred/n8n
2
0
Fork 0
mirror of https://github.com/n8n-io/n8n.git synced 2025-12-05 19:27:26 -06:00
Code Issues 1.3k Packages Projects Releases 100 Wiki Activity

chore(ai-builder): Use isAIMessage for LangGraph v1 compatibility (no-changelog) (#22807)

Browse Source
This commit is contained in:
oleg
2025-12-05 14:24:24 +01:00
committed by GitHub
parent 1d952014d8
commit 4b1e0ce796
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
packages/@n8n/ai-workflow-builder.ee/src/workflow-builder-agent.ts
View File

@@ -1,6 +1,6 @@
import type { BaseChatModel } from '@langchain/core/language_models/chat_models';
import type { ToolMessage } from '@langchain/core/messages';
import { AIMessage, HumanMessage, RemoveMessage } from '@langchain/core/messages';
import { AIMessage, HumanMessage, isAIMessage, RemoveMessage } from '@langchain/core/messages';
import type { RunnableConfig } from '@langchain/core/runnables';
import type { LangChainTracer } from '@langchain/core/tracers/tracer_langchain';
import type { MemorySaver, StateSnapshot } from '@langchain/langgraph';
@@ -287,7 +287,7 @@ export class WorkflowBuilderAgent {
const shouldContinue = ({ messages }: typeof WorkflowState.State) => {
const lastMessage = messages[messages.length - 1];
if (!(lastMessage instanceof AIMessage)) {
if (!lastMessage || !isAIMessage(lastMessage)) {
throw new WorkflowStateError('Expected last message to be generated by the AI agent');
}