Added non-null parent properties to ThenableReference

Author: rhodgkins

packages/database-types/index.d.ts

@@ -164,7 +164,10 @@ export interface TransactionResult {
 
 export interface ThenableReference
   extends Reference,
-    Pick<Promise<Reference>, 'then' | 'catch'> {}
+    Pick<Promise<Reference>, 'then' | 'catch'> {
+  key: string;
+  parent: Reference;
+}
 
 export function enableLogging(
   logger?: boolean | ((a: string) => any),

packages/database/src/api/Reference.ts

@@ -119,7 +119,10 @@ export interface DatabaseReference extends Query {
  */
 export interface ThenableReference
   extends DatabaseReference,
-    Pick<Promise<DatabaseReference>, 'then' | 'catch'> {}
+    Pick<Promise<DatabaseReference>, 'then' | 'catch'> {
+  key: string;
+  parent: DatabaseReference;
+}
 
 /** A callback that can invoked to remove a listener. */
 export type Unsubscribe = () => void;

packages/database/src/api/Reference_impl.ts

@@ -568,7 +568,10 @@ export function onDisconnect(ref: DatabaseReference): OnDisconnect {
 
 export interface ThenableReferenceImpl
   extends ReferenceImpl,
-    Pick<Promise<ReferenceImpl>, 'then' | 'catch'> {}
+    Pick<Promise<ReferenceImpl>, 'then' | 'catch'> {
+  key: string;
+  parent: ReferenceImpl;
+}
 
 /**
  * Generates a new child location using a unique key and returns its

packages/firebase/compat/index.d.ts

@@ -7370,7 +7370,10 @@ declare namespace firebase.database {
 
   interface ThenableReference
     extends firebase.database.Reference,
-      Pick<Promise<Reference>, 'then' | 'catch'> {}
+      Pick<Promise<Reference>, 'then' | 'catch'> {
+    key: string;
+    parent: Reference;
+  }
 
   /**
    * Logs debugging information to the console.