refactor: add type imports

Author: posva

packages/nuxt/src/runtime/app/plugin.server.ts

@@ -1,5 +1,5 @@
 import { deleteApp, FirebaseApp, initializeApp } from 'firebase/app'
-import { User } from 'firebase/auth'
+import type { User } from 'firebase/auth'
 import LRU from 'lru-cache'
 import { log } from '../logging'
 import { UserSymbol } from '../constants'

src/auth/index.ts

@@ -1,5 +1,5 @@
 import type { FirebaseApp } from 'firebase/app'
-import { getAuth, User } from 'firebase/auth'
+import { getAuth, type User } from 'firebase/auth'
 import { App, ref } from 'vue-demi'
 import { useFirebaseApp } from '../app'
 import { getGlobalScope } from '../globals'

src/auth/user.ts

@@ -2,11 +2,11 @@ import type { FirebaseApp } from 'firebase/app'
 import {
   getAuth,
   onIdTokenChanged,
-  User,
+  type User,
   updateEmail,
   updateProfile,
   reauthenticateWithCredential,
-  AuthCredential,
+  type AuthCredential,
 } from 'firebase/auth'
 import { computed, Ref } from 'vue-demi'
 import { useFirebaseApp } from '../app'