fix: handle more service account cases

Author: posva

packages/nuxt/src/module.ts

@@ -114,6 +114,16 @@ const VueFire: NuxtModule<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)
+      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
+
       // NOTE: the order of the plugins is reversed, so we end by adding the app plugin which is used by all other
       // plugins
 
@@ -164,14 +174,7 @@ const VueFire: NuxtModule<VueFireNuxtModuleOptions> =
             'The "admin" option is only used during SSR. You should reenable ssr to use it.'
           )
         }
-        // TODO: check env variables are present
 
-        // 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)
-        if (typeof options.admin?.serviceAccount === 'string') {
-          process.env.GOOGLE_APPLICATION_CREDENTIALS ||=
-            options.admin.serviceAccount
-        }
         // TODO: remove this runtime config if it's not needed as it could include sensitive data
         if (options.admin) {
           nuxt.options.appConfig.firebaseAdmin = markRaw(options.admin)
@@ -183,6 +186,8 @@ const VueFire: NuxtModule<VueFireNuxtModuleOptions> =
         addPlugin(resolve(runtimeDir, 'admin/plugin.server'))
       }
 
+      // Add auto imports that are useful to be auto imported
+
       // these imports are overridden by nuxt-vuefire to allow being used in more places like plugins and middlewares
       addImports([
         // app

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

@@ -15,6 +15,10 @@ export default defineNuxtPlugin((nuxtApp) => {
 
   const { firebaseAdmin } = appConfig
 
+  if (typeof firebaseAdmin?.serviceAccount === 'string') {
+    process.env.GOOGLE_APPLICATION_CREDENTIALS ||= firebaseAdmin.serviceAccount
+  }
+
   // only initialize the admin sdk once
   if (!getApps().length) {
     const {
@@ -43,9 +47,14 @@ export default defineNuxtPlugin((nuxtApp) => {
           privateKey: FIREBASE_PRIVATE_KEY.replace(/\\n/g, '\n'),
         })
       } else if (process.env.GOOGLE_APPLICATION_CREDENTIALS) {
-        log('using GOOGLE_APPLICATION_CREDENTIALS env variable')
+        log('debug', 'using GOOGLE_APPLICATION_CREDENTIALS env variable')
         // automatically picks up the service account file path from the env variable
         credential = applicationDefault()
+      } else if (
+        typeof firebaseAdmin?.serviceAccount === 'object' &&
+        firebaseAdmin.serviceAccount != null
+      ) {
+        credential = cert(firebaseAdmin.serviceAccount)
       } else {
         // TODO: add link to vuefire docs
         log(