fix typings

Author: Feiyang1

packages-exp/app-compat/src/firebaseNamespaceCore.ts

@@ -23,7 +23,7 @@ import {
 } from './types';
 import * as modularAPIs from '@firebase/app-exp';
 import { _FirebaseAppInternal as _FirebaseAppExp } from '@firebase/app-exp';
-import { Component, ComponentType } from '@firebase/component';
+import { Component, ComponentType, Name } from '@firebase/component';
 
 import { deepExtend, contains } from '@firebase/util';
 import { FirebaseAppImpl } from './firebaseApp';
@@ -131,8 +131,8 @@ export function createFirebaseNamespaceCore(
     return Object.keys(apps).map(name => apps[name]);
   }
 
-  function registerComponentCompat(
-    component: Component
+  function registerComponentCompat<T extends Name>(
+    component: Component<T>
   ): FirebaseServiceNamespace<_FirebaseService> | null {
     const componentName = component.name;
     const componentNameWithoutCompat = componentName.replace('-compat', '');

packages-exp/app-compat/src/types.ts

@@ -22,7 +22,7 @@
 
 import { FirebaseApp, FirebaseNamespace } from './public-types';
 import { Compat } from '@firebase/util';
-import { Component, ComponentContainer } from '@firebase/component';
+import { Component, ComponentContainer, Name } from '@firebase/component';
 
 export interface FirebaseServiceInternals {
   /**
@@ -72,8 +72,8 @@ export interface _FirebaseNamespace extends FirebaseNamespace {
      * @param allowMultipleInstances Whether the registered service supports
      *   multiple instances per app. If not specified, the default is false.
      */
-    registerComponent(
-      component: Component
+    registerComponent<T extends Name>(
+      component: Component<T>
     ): FirebaseServiceNamespace<_FirebaseService> | null;
 
     /**