refactor: remove deprecated serviceAccount

BREAKING CHANGE: Removed deprecated `admin.serviceAccount` option. Refer
to the previous version for migration instructions.

Author: posva

packages/nuxt/src/module.ts

@@ -110,11 +110,6 @@ export default defineNuxtModule<VueFireNuxtModuleOptions>({
 
     // This one is set by servers, we set the GOOGLE_APPLICATION_CREDENTIALS env variable instead that has a lower priority and can be both a path or a JSON string
     // process.env.FIREBASE_CONFIG ||= JSON.stringify(options.config)
-    // FIXME: remove deprecation in next release
-    if (typeof options.admin?.serviceAccount === 'string') {
-      process.env.GOOGLE_APPLICATION_CREDENTIALS ||=
-        options.admin.serviceAccount
-    }
     const hasServiceAccount =
       typeof process.env.GOOGLE_APPLICATION_CREDENTIALS === 'string' &&
       process.env.GOOGLE_APPLICATION_CREDENTIALS.length > 0

packages/nuxt/src/module/options.ts

@@ -1,5 +1,5 @@
 import type { FirebaseOptions } from 'firebase/app'
-import type { AppOptions, ServiceAccount } from 'firebase-admin'
+import type { AppOptions } from 'firebase-admin'
 import type { NuxtVueFireAppCheckOptions } from '../runtime/app-check'
 
 export interface VueFireNuxtModuleOptions {
@@ -23,13 +23,6 @@ export interface VueFireNuxtModuleOptions {
      * Firebase Admin Options passed to `firebase-admin`'s `initializeApp()`.
      */
     options?: Omit<AppOptions, 'credential'>
-
-    /**
-     * Firebase Admin Service Account passed to `firebase-admin`'s `initializeApp()`. Required if you are adding an
-     * adminConfig.
-     * @deprecated use GOOGLE_APPLICATION_CREDENTIALS env variable instead with the service-account JSON content
-     */
-    serviceAccount?: string | ServiceAccount
   }
 
   /**