Fix undefined dereference. Issue langchain-ai#7171

afirstenberg · Nov 7, 2024 · 4f02f0a · 4f02f0a
1 parent d75e3ee
commit 4f02f0a
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/libs/langchain-google-common/src/chat_models.ts b/libs/langchain-google-common/src/chat_models.ts
@@ -296,7 +296,10 @@ export abstract class ChatGoogleBase<AuthOptions>
       runManager
     );
     const ret = this.connection.api.responseToChatResult(response);
-    await runManager?.handleLLMNewToken(ret.generations[0].text);
+    const chunk = ret?.generations?.[0];
+    if (chunk) {
+      await runManager?.handleLLMNewToken(chunk.text || "");
+    }
     return ret;
   }