feat: add dynamic module

Author: Ivanko5417

src/app.module.ts

@@ -1,8 +1,9 @@
 import { Module } from '@nestjs/common';
 import { CartsModule } from './handlers/carts/carts.module';
+import { ConfigModule } from './services/config/config.module';
 
 @Module({
-  imports: [CartsModule],
+  imports: [CartsModule, ConfigModule],
   controllers: [],
   providers: [],
 })

src/handlers/carts/carts.service.ts

@@ -2,19 +2,25 @@ import { Inject, Injectable } from '@nestjs/common';
 import { CreateCartDto } from './dto/create-cart.dto';
 import { UpdateCartDto } from './dto/update-cart.dto';
 import { UtilsService } from '../../services/utils/utils.service';
+import { ConfigModule } from '../../services/config/config.module';
+import { ConfigService } from '../../services/config/config.service';
 
 @Injectable()
 export class CartsService {
   constructor(
     private readonly utilsService: UtilsService,
+    private readonly configService: ConfigService,
 
     @Inject('DateService')
     private readonly DateService,
-  ) {}
+  ) {
+    console.log(`Current env: ${configService.getAppConfig().env}`);
+  }
 
   average() {
     return this.utilsService.average([1,2,3]);
   }
+
   create(createCartDto: CreateCartDto) {
     return 'This action adds a new cart';
   }

src/services/config/config.module.ts

@@ -0,0 +1,9 @@
+import { Global, Module } from '@nestjs/common';
+import { ConfigService } from './config.service';
+
+@Global()
+@Module({
+  providers: [ConfigService],
+  exports: [ConfigService],
+})
+export class ConfigModule {}

src/services/config/config.service.ts

@@ -0,0 +1,12 @@
+import { Injectable, Scope } from '@nestjs/common';
+
+@Injectable({ scope: Scope.DEFAULT })
+export class ConfigService {
+  constructor() {}
+
+  getAppConfig() {
+    return {
+      env: 'development'
+    }
+  }
+}