feat(app): allow normalized providers to be exported in modules (#425)

Currently, it's only possible to export interface providers using `this.addExport(provider)` in modules, where `provider` refers to an interface provider.
This aims to try to solve that by allowing `NormalizedProvider`s to be exported.

packages/app/src/module.ts

@@ -8,7 +8,7 @@
  * You should have received a copy of the MIT License along with this program.
  */
 
-import { InjectorModule, ProviderWithScope, Token } from '@deepkit/injector';
+import { InjectorModule, ProviderWithScope, Token, NormalizedProvider } from '@deepkit/injector';
 import { AbstractClassType, ClassType, CustomError, ExtractClassType, isClass } from '@deepkit/core';
 import { EventListener, EventToken } from '@deepkit/event';
 import { WorkflowDefinition } from '@deepkit/workflow';
@@ -23,7 +23,7 @@ export interface MiddlewareConfig {
 
 export type MiddlewareFactory = () => MiddlewareConfig;
 
-export type ExportType = AbstractClassType | string | AppModule<any> | Type;
+export type ExportType = AbstractClassType | string | AppModule<any> | Type | NormalizedProvider;
 
 /**
  * @reflection never

packages/app/tests/module.spec.ts

@@ -1,6 +1,6 @@
 import { expect, test } from '@jest/globals';
 import { Minimum, MinLength } from '@deepkit/type';
-import { injectorReference } from '@deepkit/injector';
+import { injectorReference, provide } from '@deepkit/injector';
 import { ServiceContainer } from '../src/service-container.js';
 import { ClassType } from '@deepkit/core';
 import { AppModule, createModule } from '../src/module.js';
@@ -248,6 +248,22 @@ test('same module loaded twice', () => {
     }
 });
 
+test('interface provider can be exported', () => {
+   interface Test {}
+
+   const TEST = {};
+
+   const Test = provide<Test>({ useValue: TEST });
+
+   const test = new AppModule({ providers: [Test], exports: [Test] });
+
+   const app = new AppModule({ imports: [test] });
+
+    const serviceContainer = new ServiceContainer(app);
+
+   serviceContainer.getInjector(app).get<Test>().toBe(TEST);
+});
+
 test('non-exported providers can not be overwritten', () => {
     class SubClass {
     }