@lobehub/chat
Version:
Lobe Chat - an open-source, high-performance chatbot framework that supports speech synthesis, multimodal, and extensible Function Call plugin system. Supports one-click free deployment of your private ChatGPT/LLM web application.
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text/typescript
import { Langfuse } from 'langfuse';
import { CreateLangfuseTraceBody } from 'langfuse-core';
import { getLangfuseConfig } from '@/config/langfuse';
import { CURRENT_VERSION } from '@/const/version';
import { TraceEventClient } from '@/libs/traces/event';
/**
* We use langfuse as the tracing system to trace the request and response
*/
export class TraceClient {
private _client?: Langfuse;
constructor() {
const { ENABLE_LANGFUSE, LANGFUSE_PUBLIC_KEY, LANGFUSE_SECRET_KEY, LANGFUSE_HOST } =
getLangfuseConfig();
if (!ENABLE_LANGFUSE) return;
// when enabled langfuse, make sure the key are ready in envs
if (!LANGFUSE_PUBLIC_KEY || !LANGFUSE_SECRET_KEY) {
console.log('-----');
console.error(
"You are enabling langfuse but don't set the `LANGFUSE_PUBLIC_KEY` or `LANGFUSE_SECRET_KEY`. Please check your env",
);
throw new TypeError('NO_LANGFUSE_KEY_ERROR');
}
this._client = new Langfuse({
baseUrl: LANGFUSE_HOST,
publicKey: LANGFUSE_PUBLIC_KEY,
release: CURRENT_VERSION,
secretKey: LANGFUSE_SECRET_KEY,
});
}
createEvent(traceId: string) {
const trace = this.createTrace({ id: traceId });
if (!trace) return;
return new TraceEventClient(trace);
}
createTrace(param: CreateLangfuseTraceBody) {
return this._client?.trace({ ...param });
}
async shutdownAsync() {
await this._client?.shutdownAsync();
}
}