export types from @firebase/database-compat for admin SDK (#5531)

* export types for admin SDK

* Create violet-goats-turn.md

* add app-compat to devDeps

Author: Feiyang1

.changeset/violet-goats-turn.md

@@ -0,0 +1,5 @@
+---
+"@firebase/database-compat": patch
+---
+
+export types from @firebase/database-compat for admin SDK

packages/database-compat/package.json

@@ -33,5 +33,8 @@
     "@firebase/util": "1.3.0",
     "@firebase/component": "0.5.6",
     "tslib": "^2.1.0"
+  },
+  "devDependencies": {
+    "@firebase/app-compat": "0.1.1"
   }
 }

packages/database-compat/src/index.ts

@@ -67,6 +67,11 @@ export function registerDatabase(instance: FirebaseNamespace) {
 
 registerDatabase(firebase);
 
+// Types to export for the admin SDK. They are exported in the browser entry point only for typings
+// The same symbol should be exported from the node entry point so their values can be accessed at runtime by admin SDK
+export type { Database, Query, Reference, enableLogging, ServerValue, DataSnapshot };
+export type { OnDisconnect } from '@firebase/database';
+
 declare module '@firebase/app-compat' {
   interface FirebaseNamespace {
     database?: {