Address PR comments

Author: hsubox76

packages/database/exp/register.ts

@@ -38,7 +38,11 @@ export function registerDatabase(variant?: string): void {
       (container, { instanceIdentifier: url }) => {
         const app = container.getProvider('app-exp').getImmediate()!;
         const authProvider = container.getProvider('auth-internal');
-        const appCheckProvider = container.getProvider('app-check-internal');
+        // App check is unsupported in Node.
+        const appCheckProvider =
+          variant === 'node'
+            ? undefined
+            : container.getProvider('app-check-internal');
         return repoManagerDatabaseFromApp(
           app,
           authProvider,

packages/database/index.node.ts

@@ -86,10 +86,14 @@ export function registerDatabase(instance: FirebaseNamespace) {
         // getImmediate for FirebaseApp will always succeed
         const app = container.getProvider('app').getImmediate();
         const authProvider = container.getProvider('auth-internal');
-        const appCheckProvider = container.getProvider('app-check-internal');
 
         return new Database(
-          repoManagerDatabaseFromApp(app, authProvider, appCheckProvider, url),
+          repoManagerDatabaseFromApp(
+            app,
+            authProvider,
+            /* appCheckProvider */ undefined,
+            url
+          ),
           app
         );
       },

packages/database/test/browser/crawler_support.test.ts

@@ -21,7 +21,7 @@ import { forceRestClient } from '../../src/api/test_access';
 import { getRandomNode, getFreshRepoFromReference } from '../helpers/util';
 
 // Some sanity checks for the ReadonlyRestClient crawler support.
-describe.only('Crawler Support', () => {
+describe('Crawler Support', () => {
   let initialData;
   let normalRef;
   let restRef;

packages/firebase/app-check/index.ts

@@ -82,7 +82,6 @@
     "messaging",
     "storage",
     "performance",
-    "remote-config",
-    "app-check"
+    "remote-config"
   ]
 }

packages/firebase/app-check/package.json

@@ -40,7 +40,6 @@ import '../storage';
 import '../performance';
 import '../analytics';
 import '../remote-config';
-import '../app-check';
 
 firebase.registerVersion(name, version, 'cdn');
 

packages/firebase/package.json

@@ -18,7 +18,7 @@
 declare interface A {
   a: string;
 }
-export class B implements A {
+export class B implements  A{
   a: string;
 }
 export {};