feature: update to nest v5

src/app.controller.ts

@@ -1,9 +1,12 @@
 import { Get, Controller } from '@nestjs/common';
+import { AppService } from './app.service';
 
 @Controller()
 export class AppController {
+  constructor(private readonly appService: AppService) {}
+
   @Get()
   root(): string {
-    return 'Hello World!';
+    return this.appService.root();
   }
 }

src/app.module.ts

@@ -1,9 +1,10 @@
 import { Module } from '@nestjs/common';
 import { AppController } from './app.controller';
+import { AppService } from './app.service';
 
 @Module({
   imports: [],
   controllers: [AppController],
-  components: [],
+  providers: [AppService],
 })
 export class AppModule {}

src/app.service.ts

@@ -0,0 +1,8 @@
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class AppService {
+  root(): string {
+    return 'Hello World!';
+  }
+}

src/main.hmr.ts

@@ -0,0 +1,15 @@
+import { NestFactory } from '@nestjs/core';
+import { AppModule } from './app.module';
+
+declare const module: any;
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+  await app.listen(3000);
+
+  if (module.hot) {
+    module.hot.accept();
+    module.hot.dispose(() => app.close());
+  }
+}
+bootstrap();