refactor: isClient

Author: posva

src/app-check/index.ts

@@ -67,6 +67,8 @@ export function VueFireAppCheck(options: VueFireAppCheckOptions) {
   }
 }
 
+// TODO: split the function above into two, one that provides the token and is used in both server and client and another one that is only used on the client
+
 /**
  * To retrieve the current app check
  * @internal

src/auth/index.ts

@@ -3,7 +3,7 @@ import { getAuth, User } from 'firebase/auth'
 import { App, ref, shallowRef } from 'vue-demi'
 import { useFirebaseApp } from '../app'
 import { getGlobalScope } from '../globals'
-import { _Nullable } from '../shared'
+import { isClient, _Nullable } from '../shared'
 import { authUserMap, setupOnAuthStateChanged } from './user'
 
 export {
@@ -47,5 +47,5 @@ export function VueFireAuth(initialUser?: _Nullable<User>) {
  * @returns the Auth instance
  */
 export function useFirebaseAuth(name?: string) {
-  return typeof window === 'undefined' ? null : getAuth(useFirebaseApp(name))
+  return isClient ? getAuth(useFirebaseApp(name)) : null
 }