fix: Export error classes (#2151)

* Expose error class

* Expose more error classes

* Expose error codes

---------

Co-authored-by: Lahiru Maramba <llahiru@gmail.com>

src/app/index.ts

@@ -29,4 +29,6 @@ export { initializeApp, getApp, getApps, deleteApp } from './lifecycle';
 export { Credential, ServiceAccount, GoogleOAuthAccessToken } from './credential';
 export { applicationDefault, cert, refreshToken } from './credential-factory';
 
+export { FirebaseAppError, AppErrorCodes } from '../utils/error';
+
 export const SDK_VERSION = getSdkVersion();

src/auth/index.ts

@@ -164,3 +164,8 @@ export {
   UserMetadata,
   UserRecord,
 } from './user-record';
+
+export {
+  FirebaseAuthError,
+  AuthClientErrorCode,
+} from '../utils/error';

src/database/index.ts

@@ -125,3 +125,5 @@ function  getDatabaseInstance(options: { url?: string; app?: App }): Database {
   const dbService = firebaseApp.getOrInitService('database', (app) => new DatabaseService(app));
   return dbService.getDatabase(options.url);
 }
+
+export { FirebaseDatabaseError } from '../utils/error';

src/firestore/index.ts

@@ -220,3 +220,5 @@ export function initializeFirestore(
 
   return firestoreService.initializeDatabase(databaseId, settings);
 }
+
+export { FirebaseFirestoreError } from '../utils/error';

src/installations/index.ts

@@ -61,3 +61,5 @@ export function getInstallations(app?: App): Installations {
   const firebaseApp: FirebaseApp = app as FirebaseApp;
   return firebaseApp.getOrInitService('installations', (app) => new Installations(app));
 }
+
+export { FirebaseInstallationsError, InstallationsClientErrorCode } from '../utils/error';

src/instance-id/index.ts

@@ -70,3 +70,5 @@ export function getInstanceId(app?: App): InstanceId {
   const firebaseApp: FirebaseApp = app as FirebaseApp;
   return firebaseApp.getOrInitService('instanceId', (app) => new InstanceId(app));
 }
+
+export { FirebaseInstanceIdError, InstanceIdClientErrorCode } from '../utils/error';

src/messaging/index.ts

@@ -100,3 +100,5 @@ export function getMessaging(app?: App): Messaging {
   const firebaseApp: FirebaseApp = app as FirebaseApp;
   return firebaseApp.getOrInitService('messaging', (app) => new Messaging(app));
 }
+
+export { FirebaseMessagingError, MessagingClientErrorCode } from '../utils/error';

src/project-management/index.ts

@@ -62,3 +62,5 @@ export function getProjectManagement(app?: App): ProjectManagement {
   const firebaseApp: FirebaseApp = app as FirebaseApp;
   return firebaseApp.getOrInitService('projectManagement', (app) => new ProjectManagement(app));
 }
+
+export { FirebaseProjectManagementError, ProjectManagementErrorCode } from '../utils/error';