chore: import vertex constant

Author: russellwheatley

packages/ai/lib/constants.ts

@@ -19,6 +19,8 @@ import { version } from './version';
 
 export const AI_TYPE = 'AI';
 
+export const VERTEX_TYPE = 'vertexAI';
+
 export const DEFAULT_LOCATION = 'us-central1';
 
 export const DEFAULT_BASE_URL = 'https://firebasevertexai.googleapis.com';

packages/ai/lib/types/error.ts

@@ -17,6 +17,7 @@
 
 import { FirebaseError } from '@firebase/util';
 import { GenerateContentResponse } from './responses';
+import { VERTEX_TYPE } from '../constants';
 
 /**
  * Details object that may be included in an error response.