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fix(frontend): sanitize unsupported langgraph stream modes (#1050)

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Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
This commit is contained in:
Xinmin Zeng
2026-03-10 18:56:19 +08:00
committed by GitHub
parent 19604e7f47
commit d5135ab757
4 changed files with 138 additions and 4 deletions
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frontend/src/core/api/api-client.ts
+27 -3
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@@ -4,10 +4,34 @@ import { Client as LangGraphClient } from "@langchain/langgraph-sdk/client";
import { getLangGraphBaseURL } from "../config";
let _singleton: LangGraphClient | null = null;
export function getAPIClient(isMock?: boolean): LangGraphClient {
_singleton ??= new LangGraphClient({
import { sanitizeRunStreamOptions } from "./stream-mode";
function createCompatibleClient(isMock?: boolean): LangGraphClient {
const client = new LangGraphClient({
apiUrl: getLangGraphBaseURL(isMock),
});
const originalRunStream = client.runs.stream.bind(client.runs);
client.runs.stream = ((threadId, assistantId, payload) =>
originalRunStream(
threadId,
assistantId,
sanitizeRunStreamOptions(payload),
)) as typeof client.runs.stream;
const originalJoinStream = client.runs.joinStream.bind(client.runs);
client.runs.joinStream = ((threadId, runId, options) =>
originalJoinStream(
threadId,
runId,
sanitizeRunStreamOptions(options),
)) as typeof client.runs.joinStream;
return client;
}
let _singleton: LangGraphClient | null = null;
export function getAPIClient(isMock?: boolean): LangGraphClient {
_singleton ??= createCompatibleClient(isMock);
return _singleton;
}