Merge branch 'feature/application-config-injectable' of https://github.com/BrunnerLivio/nest into BrunnerLivio-feature/application-config-injectable

Author: kamilmysliwiec

integration/injector/e2e/core-injectables.spec.ts

@@ -0,0 +1,37 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { expect } from 'chai';
+import { CoreInjectablesModule } from '../src/core-injectables/core-injectables.module';
+import { ApplicationConfig, ModuleRef } from '@nestjs/core';
+
+describe('Core Injectables', () => {
+  let testingModule: TestingModule;
+
+  beforeEach(async () => {
+    const builder = Test.createTestingModule({
+      imports: [CoreInjectablesModule],
+    });
+    testingModule = await builder.compile();
+  });
+
+  it('should provide ApplicationConfig as core injectable', () => {
+    const applicationConfig = testingModule.get<ApplicationConfig>(
+      ApplicationConfig,
+    );
+
+    applicationConfig.setGlobalPrefix('/api');
+
+    expect(applicationConfig).to.not.be.undefined;
+    expect(applicationConfig.getGlobalPrefix()).to.be.eq('/api');
+  });
+
+  it('should provide ModuleRef as core injectable', () => {
+    const moduleRef = testingModule.get<ModuleRef>(ModuleRef);
+    expect(moduleRef).to.not.be.undefined;
+  });
+
+  it('should provide the current Module as provider', () => {
+    const module = testingModule.get<CoreInjectablesModule>(CoreInjectablesModule);
+    expect(module).to.not.be.undefined;
+    expect(module.constructor.name).to.be.eq('CoreInjectablesModule');
+  });
+});

integration/injector/src/core-injectables/core-injectables.module.ts

@@ -0,0 +1,4 @@
+import { Module } from '@nestjs/common';
+
+@Module({})
+export class CoreInjectablesModule {}

packages/core/index.ts

@@ -14,6 +14,7 @@ export * from './injector';
 export * from './middleware';
 export * from './nest-application';
 export * from './nest-application-context';
+export * from './application-config';
 export { NestFactory } from './nest-factory';
 export * from './router';
 export * from './services';

packages/core/injector/module.ts

@@ -27,6 +27,7 @@ import { UnknownExportException } from '../errors/exceptions/unknown-export.exce
 import { NestContainer } from './container';
 import { InstanceWrapper } from './instance-wrapper';
 import { ModuleRef } from './module-ref';
+import { ApplicationConfig } from '../application-config';
 
 interface ProviderName {
   name?: string | symbol;
@@ -116,6 +117,7 @@ export class Module {
   public addCoreProviders(container: NestContainer) {
     this.addModuleAsProvider();
     this.addModuleRef();
+    this.addApplicationConfig();
   }
 
   public addModuleRef() {
@@ -145,6 +147,19 @@ export class Module {
     );
   }
 
+  public addApplicationConfig() {
+    this._providers.set(
+      ApplicationConfig.name,
+      new InstanceWrapper({
+        name: ApplicationConfig.name,
+        metatype: null,
+        isResolved: true,
+        instance: this.container.applicationConfig,
+        host: this,
+      }),
+    );
+  }
+
   public addInjectable<T extends Injectable>(
     injectable: Type<T>,
     host?: Type<T>,