style(): auto-organise import statements

feat: timestemp inside LoggerSerivce can be overridden

CONTRIBUTING.md

@@ -237,7 +237,7 @@ Samples: (even more [samples](https://github.com/nestjs/nest/commits/master))
 
 ```
 docs(changelog): update change log to beta.5
-bugfix(core): need to depend on latest rxjs and zone.js
+fix(core): need to depend on latest rxjs and zone.js
 ```
 
 ### Revert
@@ -249,14 +249,16 @@ If the commit reverts a previous commit, it should begin with `revert:`, followe
 Must be one of the following:
 
 - **build**: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
+- **chore**: Updating tasks etc; no production code change
 - **ci**: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
 - **docs**: Documentation only changes
-- **feature**: A new feature
+- **feat**: A new feature
 - **fix**: A bug fix
 - **perf**: A code change that improves performance
 - **refactor**: A code change that neither fixes a bug nor adds a feature
 - **style**: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
 - **test**: Adding missing tests or correcting existing tests
+- **sample**: A change to the samples
 
 ### Scope
 

integration/nest-application/app-locals/e2e/express.spec.ts

@@ -0,0 +1,38 @@
+import { NestExpressApplication } from '@nestjs/platform-express';
+import { Test, TestingModule } from '@nestjs/testing';
+import { expect } from 'chai';
+import * as request from 'supertest';
+import { AppModule } from '../src/app.module';
+
+describe('App-level globals (Express Application)', () => {
+  let moduleFixture: TestingModule;
+  let app: NestExpressApplication;
+
+  beforeEach(async () => {
+    moduleFixture = await Test.createTestingModule({
+      imports: [AppModule],
+    }).compile();
+  });
+
+  beforeEach(() => {
+    app = moduleFixture.createNestApplication<NestExpressApplication>();
+  });
+
+  it('should get "title" from "app.locals"', async () => {
+    app.setLocal('title', 'My Website');
+    await app.init();
+    const response = await request(app.getHttpServer()).get('/').expect(200);
+    expect(response.body.title).to.equal('My Website');
+  });
+
+  it('should get "email" from "app.locals"', async () => {
+    app.setLocal('email', 'admin@example.com');
+    await app.listen(4444);
+    const response = await request(app.getHttpServer()).get('/').expect(200);
+    expect(response.body.email).to.equal('admin@example.com');
+  });
+
+  afterEach(async () => {
+    await app.close();
+  });
+});

integration/nest-application/app-locals/src/app.controller.ts

@@ -0,0 +1,10 @@
+import { Controller, Get, Req } from '@nestjs/common';
+import { Request } from 'express';
+
+@Controller()
+export class AppController {
+  @Get()
+  getGlobals(@Req() req: Request) {
+    return req.app.locals;
+  }
+}

integration/nest-application/app-locals/src/app.module.ts

@@ -0,0 +1,7 @@
+import { Module } from '@nestjs/common';
+import { AppController } from './app.controller';
+
+@Module({
+  controllers: [AppController],
+})
+export class AppModule {}

integration/nest-application/app-locals/tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "declaration": false,
+    "noImplicitAny": false,
+    "removeComments": true,
+    "noLib": false,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "target": "es6",
+    "sourceMap": true,
+    "allowJs": true,
+    "outDir": "./dist"
+  },
+  "include": [
+    "src/**/*",
+    "e2e/**/*"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
+}

integration/nest-application/get-url/e2e/express.spec.ts

@@ -37,6 +37,13 @@ describe('Get URL (Express Application)', () => {
     expect(await app.getUrl()).to.be.eql(`http://127.0.0.1:${port}`);
     await app.close();
   });
+  it('should return 127.0.0.1 even in a callback', () => {
+    const app = testModule.createNestApplication(new ExpressAdapter(express()));
+    return app.listen(port, async () => {
+      expect(await app.getUrl()).to.be.eql(`http://127.0.0.1:${port}`);
+      await app.close();
+    });
+  });
   it('should throw an error for calling getUrl before listen', async () => {
     const app = testModule.createNestApplication(new ExpressAdapter(express()));
     try {

integration/nest-application/get-url/e2e/fastify.spec.ts

@@ -30,6 +30,13 @@ describe('Get URL (Fastify Application)', () => {
     expect(await app.getUrl()).to.be.eql(`http://127.0.0.1:${port}`);
     await app.close();
   });
+  it('should return 127.0.0.1 even in a callback', () => {
+    const app = testModule.createNestApplication(new FastifyAdapter());
+    return app.listen(port, async () => {
+      expect(await app.getUrl()).to.be.eql(`http://127.0.0.1:${port}`);
+      await app.close();
+    });
+  });
   it('should throw an error for calling getUrl before listen', async () => {
     const app = testModule.createNestApplication(new FastifyAdapter());
     try {

package.json

@@ -74,27 +74,27 @@
     "@commitlint/cli": "11.0.0",
     "@commitlint/config-angular": "11.0.0",
     "@grpc/proto-loader": "0.5.5",
-    "@nestjs/graphql": "7.7.0",
-    "@nestjs/mongoose": "7.0.2",
-    "@nestjs/typeorm": "7.1.4",
+    "@nestjs/graphql": "7.9.1",
+    "@nestjs/mongoose": "7.1.2",
+    "@nestjs/typeorm": "7.1.5",
     "@types/amqplib": "0.5.16",
     "@types/bytes": "3.1.0",
     "@types/cache-manager": "2.10.3",
     "@types/chai": "4.2.14",
     "@types/chai-as-promised": "7.1.3",
     "@types/cors": "2.8.8",
-    "@types/express": "4.17.8",
+    "@types/express": "4.17.9",
     "@types/gulp": "4.0.7",
-    "@types/mocha": "8.0.3",
-    "@types/mongoose": "5.7.36",
-    "@types/node": "14.14.9",
+    "@types/mocha": "8.0.4",
+    "@types/mongoose": "5.10.2",
+    "@types/node": "14.14.10",
     "@types/redis": "2.8.28",
-    "@types/reflect-metadata": "0.0.5",
-    "@types/sinon": "9.0.8",
-    "@types/socket.io": "2.1.11",
-    "@types/ws": "7.2.9",
-    "@typescript-eslint/eslint-plugin": "4.5.0",
-    "@typescript-eslint/parser": "4.5.0",
+    "@types/reflect-metadata": "0.1.0",
+    "@types/sinon": "9.0.9",
+    "@types/socket.io": "2.1.12",
+    "@types/ws": "7.4.0",
+    "@typescript-eslint/eslint-plugin": "4.9.1",
+    "@typescript-eslint/parser": "4.9.0",
     "amqp-connection-manager": "3.2.1",
     "amqplib": "0.6.0",
     "apollo-server-express": "2.19.0",
@@ -109,62 +109,62 @@
     "commitlint-circle": "1.0.0",
     "concurrently": "5.3.0",
     "conventional-changelog": "3.1.24",
-    "core-js": "3.7.0",
+    "core-js": "3.8.1",
     "coveralls": "3.1.0",
     "delete-empty": "3.0.0",
     "engine.io-client": "4.0.4",
-    "eslint": "7.14.0",
-    "eslint-config-prettier": "6.15.0",
+    "eslint": "7.15.0",
+    "eslint-config-prettier": "7.0.0",
     "eslint-plugin-import": "2.22.1",
     "eventsource": "1.0.7",
     "fancy-log": "1.3.3",
-    "fastify": "3.8.0",
+    "fastify": "3.9.1",
     "fastify-cors": "5.0.0",
     "fastify-formbody": "5.0.0",
-    "fastify-multipart": "3.3.0",
-    "fastify-static": "3.2.1",
+    "fastify-multipart": "3.3.1",
+    "fastify-static": "3.3.0",
     "graphql": "15.4.0",
-    "graphql-tools": "6.2.4",
+    "graphql-tools": "7.0.2",
     "grpc": "1.24.4",
     "gulp": "4.0.2",
     "gulp-clang-format": "1.0.27",
     "gulp-clean": "0.4.0",
-    "gulp-sourcemaps": "2.6.5",
+    "gulp-sourcemaps": "3.0.0",
     "gulp-typescript": "5.0.1",
     "gulp-watch": "5.0.1",
-    "husky": "4.3.0",
+    "husky": "4.3.5",
     "imports-loader": "1.2.0",
     "json-loader": "0.5.7",
     "kafkajs": "1.12.0",
     "lerna": "2.11.0",
-    "light-my-request": "4.2.1",
-    "lint-staged": "10.5.1",
+    "light-my-request": "4.3.0",
+    "lint-staged": "10.5.3",
     "markdown-table": "2.0.0",
     "merge-graphql-schemas": "1.7.8",
     "middie": "5.2.0",
     "mocha": "8.2.1",
-    "mongoose": "5.10.15",
-    "mqtt": "4.2.1",
+    "mongoose": "5.11.5",
+    "mqtt": "4.2.6",
     "multer": "1.4.2",
     "mysql": "2.18.1",
     "nats": "1.4.12",
     "nodemon": "2.0.6",
     "nyc": "15.1.0",
-    "point-of-view": "4.6.0",
-    "prettier": "2.2.0",
+    "point-of-view": "4.7.0",
+    "prettier": "2.2.1",
     "redis": "3.0.2",
     "rxjs-compat": "6.6.3",
     "sinon": "9.2.1",
     "sinon-chai": "3.5.0",
     "socket.io-client": "2.3.1",
     "subscriptions-transport-ws": "0.9.18",
-    "supertest": "5.0.0",
-    "ts-morph": "9.0.0",
-    "ts-node": "9.0.0",
-    "typeorm": "0.2.28",
+    "supertest": "6.0.1",
+    "ts-morph": "9.1.0",
+    "ts-node": "9.1.1",
+    "typeorm": "0.2.29",
     "typescript": "4.0.3",
     "wrk": "1.2.1",
-    "ws": "7.4.0"
+    "ws": "7.4.1"
   },
   "engines": {
     "node": ">= 10.13.0"

packages/common/decorators/core/controller.decorator.ts

@@ -3,8 +3,8 @@ import {
   PATH_METADATA,
   SCOPE_OPTIONS_METADATA,
 } from '../../constants';
-import { isString, isUndefined } from '../../utils/shared.utils';
 import { ScopeOptions } from '../../interfaces/scope-options.interface';
+import { isString, isUndefined } from '../../utils/shared.utils';
 
 /**
  * Interface defining options that can be passed to `@Controller()` decorator
@@ -18,7 +18,7 @@ export interface ControllerOptions extends ScopeOptions {
    *
    * @see [Routing](https://docs.nestjs.com/controllers#routing)
    */
-  path?: string;
+  path?: string | string[];
 
   /**
    * Specifies an optional HTTP Request host filter.  When configured, methods
@@ -65,7 +65,7 @@ export function Controller(): ClassDecorator;
  * It defines a class that provides a context for one or more message or event
  * handlers.
  *
- * @param {string} prefix string that defines a `route path prefix`.  The prefix
+ * @param {string, Array} prefix string that defines a `route path prefix`.  The prefix
  * is pre-pended to the path specified in any request decorator in the class.
  *
  * @see [Routing](https://docs.nestjs.com/controllers#routing)
@@ -74,7 +74,7 @@ export function Controller(): ClassDecorator;
  *
  * @publicApi
  */
-export function Controller(prefix: string): ClassDecorator;
+export function Controller(prefix: string | string[]): ClassDecorator;
 
 /**
  * Decorator that marks a class as a Nest controller that can receive inbound
@@ -137,12 +137,13 @@ export function Controller(options: ControllerOptions): ClassDecorator;
  * @publicApi
  */
 export function Controller(
-  prefixOrOptions?: string | ControllerOptions,
+  prefixOrOptions?: string | string[] | ControllerOptions,
 ): ClassDecorator {
   const defaultPath = '/';
+
   const [path, host, scopeOptions] = isUndefined(prefixOrOptions)
     ? [defaultPath, undefined, undefined]
-    : isString(prefixOrOptions)
+    : isString(prefixOrOptions) || Array.isArray(prefixOrOptions)
     ? [prefixOrOptions, undefined, undefined]
     : [
         prefixOrOptions.path || defaultPath,

packages/common/enums/http-status.enum.ts

@@ -2,6 +2,7 @@ export enum HttpStatus {
   CONTINUE = 100,
   SWITCHING_PROTOCOLS = 101,
   PROCESSING = 102,
+  EARLYHINTS = 103,
   OK = 200,
   CREATED = 201,
   ACCEPTED = 202,

packages/common/interfaces/middleware/middleware-config-proxy.interface.ts

@@ -6,7 +6,7 @@ export interface MiddlewareConfigProxy {
   /**
    * Excludes routes from the currently processed middleware.
    *
-   * @param  {} ...routes
+   * @param {(string | RouteInfo)[]} routes
    * @returns {MiddlewareConfigProxy}
    */
   exclude(...routes: (string | RouteInfo)[]): MiddlewareConfigProxy;
@@ -15,7 +15,7 @@ export interface MiddlewareConfigProxy {
    * Attaches passed either routes or controllers to the currently configured middleware.
    * If you pass a class, Nest would attach middleware to every path defined within this controller.
    *
-   * @param  {} ...routes
+   * @param {(string | Type | RouteInfo)[]} routes
    * @returns {MiddlewareConsumer}
    */
   forRoutes(...routes: (string | Type<any> | RouteInfo)[]): MiddlewareConsumer;

packages/common/interfaces/middleware/middleware-consumer.interface.ts

@@ -10,7 +10,7 @@ import { MiddlewareConfigProxy } from './middleware-config-proxy.interface';
  */
 export interface MiddlewareConsumer {
   /**
-   * @param  middleware middleware class/function or array of classes/functions
+   * @param {...(Type | Function)} middleware middleware class/function or array of classes/functions
    * to be attached to the passed routes.
    *
    * @returns {MiddlewareConfigProxy}

packages/common/interfaces/nest-application.interface.ts

@@ -21,7 +21,7 @@ export interface INestApplication extends INestApplicationContext {
    * A wrapper function around HTTP adapter method: `adapter.use()`.
    * Example `app.use(cors())`
    *
-   * @returns {void}
+   * @returns {this}
    */
   use(...args: any[]): this;
 
@@ -35,10 +35,10 @@ export interface INestApplication extends INestApplicationContext {
   /**
    * Starts the application.
    *
-   * @param  {number} port
-   * @param  {string} hostname
-   * @param  {Function} callback Optional callback
-   * @returns A Promise that, when resolved, is a reference to the underlying HttpServer.
+   * @param {number|string} port
+   * @param {string} [hostname]
+   * @param {Function} [callback] Optional callback
+   * @returns {Promise} A Promise that, when resolved, is a reference to the underlying HttpServer.
    */
   listen(port: number | string, callback?: () => void): Promise<any>;
   listen(
@@ -50,15 +50,15 @@ export interface INestApplication extends INestApplicationContext {
   /**
    * Returns the url the application is listening at, based on OS and IP version. Returns as an IP value either in IPv6 or IPv4
    *
-   * @returns The IP where the server is listening
+   * @returns {Promise<string>} The IP where the server is listening
    */
   getUrl(): Promise<string>;
 
   /**
    * Starts the application (can be awaited).
    *
-   * @param  {number} port
-   * @param  {string} hostname (optional)
+   * @param {number|string} port
+   * @param {string} [hostname]
    * @returns {Promise}
    */
   listenAsync(port: number | string, hostname?: string): Promise<any>;
@@ -66,17 +66,17 @@ export interface INestApplication extends INestApplicationContext {
   /**
    * Registers a prefix for every HTTP route path.
    *
-   * @param  {string} prefix The prefix for every HTTP route path (for example `/v1/api`)
-   * @returns {void}
+   * @param {string} prefix The prefix for every HTTP route path (for example `/v1/api`)
+   * @returns {this}
    */
   setGlobalPrefix(prefix: string): this;
 
   /**
-   * Setup Ws Adapter which will be used inside Gateways.
+   * Register Ws Adapter which will be used inside Gateways.
    * Use when you want to override default `socket.io` library.
    *
-   * @param  {WebSocketAdapter} adapter
-   * @returns {void}
+   * @param {WebSocketAdapter} adapter
+   * @returns {this}
    */
   useWebSocketAdapter(adapter: WebSocketAdapter): this;
 
@@ -84,8 +84,9 @@ export interface INestApplication extends INestApplicationContext {
    * Connects microservice to the NestApplication instance. Transforms application
    * to a hybrid instance.
    *
-   * @param  {T} options Microservice options object
-   * @param  {NestHybridApplicationOptions} hybridOptions Hybrid options object
+   * @template {object} T
+   * @param {T} options Microservice options object
+   * @param {NestHybridApplicationOptions} hybridOptions Hybrid options object
    * @returns {INestMicroservice}
    */
   connectMicroservice<T extends object = any>(
@@ -103,7 +104,7 @@ export interface INestApplication extends INestApplicationContext {
   /**
    * Returns the underlying native HTTP server.
    *
-   * @returns {any}
+   * @returns {*}
    */
   getHttpServer(): any;
 
@@ -117,8 +118,8 @@ export interface INestApplication extends INestApplicationContext {
   /**
    * Starts all connected microservices asynchronously.
    *
-   * @param  {Function} callback Optional callback function
-   * @returns {void}
+   * @param {Function} [callback] Optional callback function
+   * @returns {this}
    */
   startAllMicroservices(callback?: () => void): this;
 
@@ -133,14 +134,14 @@ export interface INestApplication extends INestApplicationContext {
    * Registers exception filters as global filters (will be used within
    * every HTTP route handler)
    *
-   * @param  {ExceptionFilter[]} ...filters
+   * @param {...ExceptionFilter} filters
    */
   useGlobalFilters(...filters: ExceptionFilter[]): this;
 
   /**
    * Registers pipes as global pipes (will be used within every HTTP route handler)
    *
-   * @param  {PipeTransform[]} ...pipes
+   * @param {...PipeTransform} pipes
    */
   useGlobalPipes(...pipes: PipeTransform<any>[]): this;
 
@@ -148,14 +149,14 @@ export interface INestApplication extends INestApplicationContext {
    * Registers interceptors as global interceptors (will be used within
    * every HTTP route handler)
    *
-   * @param  {NestInterceptor[]} ...interceptors
+   * @param {...NestInterceptor} interceptors
    */
   useGlobalInterceptors(...interceptors: NestInterceptor[]): this;
 
   /**
    * Registers guards as global guards (will be used within every HTTP route handler)
    *
-   * @param  {CanActivate[]} ...guards
+   * @param {...CanActivate} guards
    */
   useGlobalGuards(...guards: CanActivate[]): this;
 

packages/common/interfaces/nest-microservice.interface.ts

@@ -14,11 +14,10 @@ export interface INestMicroservice extends INestApplicationContext {
   /**
    * Starts the microservice.
    *
-   * @param  {Function} callback
-   * @returns {Promise}
-   *
+   * @param {Function} callback
+   * @returns {void}
    */
-  listen(callback: () => void): any;
+  listen(callback: () => void): void;
 
   /**
    * Starts the microservice (can be awaited).
@@ -29,38 +28,38 @@ export interface INestMicroservice extends INestApplicationContext {
 
   /**
    * Register Ws Adapter which will be used inside Gateways.
-   * Use, when you want to override default `socket.io` library.
+   * Use when you want to override default `socket.io` library.
    *
-   * @param  {WebSocketAdapter} adapter
-   * @returns {void}
+   * @param {WebSocketAdapter} adapter
+   * @returns {this}
    */
   useWebSocketAdapter(adapter: WebSocketAdapter): this;
 
   /**
-   * Registers exception filters as a global filters (will be used within every message pattern handler)
+   * Registers exception filters as global filters (will be used within every message pattern handler)
    *
-   * @param  {ExceptionFilter[]} ...filters
+   * @param {...ExceptionFilter} filters
    */
   useGlobalFilters(...filters: ExceptionFilter[]): this;
 
   /**
-   * Registers pipes as a global pipes (will be used within every message pattern handler)
+   * Registers pipes as global pipes (will be used within every message pattern handler)
    *
-   * @param  {PipeTransform[]} ...pipes
+   * @param {...PipeTransform} pipes
    */
   useGlobalPipes(...pipes: PipeTransform<any>[]): this;
 
   /**
-   * Registers interceptors as a global interceptors (will be used within every message pattern handler)
+   * Registers interceptors as global interceptors (will be used within every message pattern handler)
    *
-   * @param  {NestInterceptor[]} ...interceptors
+   * @param {...NestInterceptor} interceptors
    */
   useGlobalInterceptors(...interceptors: NestInterceptor[]): this;
 
   /**
-   * Registers guards as a global guards (will be used within every message pattern handler)
+   * Registers guards as global guards (will be used within every message pattern handler)
    *
-   * @param  {CanActivate[]} ...guards
+   * @param {...CanActivate} guards
    */
   useGlobalGuards(...guards: CanActivate[]): this;
 

packages/common/services/logger.service.ts

@@ -25,7 +25,7 @@ export class Logger implements LoggerService {
     'verbose',
   ];
   private static lastTimestamp?: number;
-  private static instance?: typeof Logger | LoggerService = Logger;
+  protected static instance?: typeof Logger | LoggerService = Logger;
 
   constructor(
     @Optional() protected context?: string,
@@ -61,6 +61,10 @@ export class Logger implements LoggerService {
     this.context = context;
   }
 
+  getTimestamp() {
+    return Logger.getTimestamp();
+  }
+
   static overrideLogger(logger: LoggerService | LogLevel[] | boolean) {
     if (Array.isArray(logger)) {
       this.logLevels = logger;
@@ -95,6 +99,18 @@ export class Logger implements LoggerService {
     this.printMessage(message, clc.cyanBright, context, isTimeDiffEnabled);
   }
 
+  static getTimestamp() {
+    const localeStringOptions = {
+      year: 'numeric',
+      hour: 'numeric',
+      minute: 'numeric',
+      second: 'numeric',
+      day: '2-digit',
+      month: '2-digit',
+    };
+    return new Date(Date.now()).toLocaleString(undefined, localeStringOptions);
+  }
+
   private callFunction(
     name: 'log' | 'warn' | 'debug' | 'verbose',
     message: any,
@@ -114,7 +130,7 @@ export class Logger implements LoggerService {
       );
   }
 
-  private getInstance(): typeof Logger | LoggerService {
+  protected getInstance(): typeof Logger | LoggerService {
     const { instance } = Logger;
     return instance === this ? Logger : instance;
   }
@@ -133,25 +149,12 @@ export class Logger implements LoggerService {
       ? `${color('Object:')}\n${JSON.stringify(message, null, 2)}\n`
       : color(message);
 
-    const localeStringOptions = {
-      year: 'numeric',
-      hour: 'numeric',
-      minute: 'numeric',
-      second: 'numeric',
-      day: '2-digit',
-      month: '2-digit',
-    };
-    const timestamp = new Date(Date.now()).toLocaleString(
-      undefined,
-      localeStringOptions,
-    );
-
     const pidMessage = color(`[Nest] ${process.pid}   - `);
     const contextMessage = context ? yellow(`[${context}] `) : '';
     const timestampDiff = this.updateAndGetTimestampDiff(isTimeDiffEnabled);
-
+    const instance = this.instance as typeof Logger;
     process.stdout.write(
-      `${pidMessage}${timestamp}   ${contextMessage}${output}${timestampDiff}\n`,
+      `${pidMessage}${instance.getTimestamp()}   ${contextMessage}${output}${timestampDiff}\n`,
     );
   }
 

packages/common/test/utils/shared.utils.spec.ts

@@ -1,14 +1,14 @@
 import { expect } from 'chai';
 import {
-  isUndefined,
-  isFunction,
-  isObject,
-  isString,
+  addLeadingSlash,
   isConstructor,
-  validatePath,
-  isNil,
   isEmpty,
+  isFunction,
+  isNil,
+  isObject,
   isPlainObject,
+  isString,
+  isUndefined,
 } from '../../utils/shared.utils';
 
 function Foo(a) {
@@ -81,17 +81,17 @@ describe('Shared utils', () => {
       expect(isConstructor('nope')).to.be.false;
     });
   });
-  describe('validatePath', () => {
+  describe('addLeadingSlash', () => {
     it('should returns validated path ("add / if not exists")', () => {
-      expect(validatePath('nope')).to.be.eql('/nope');
+      expect(addLeadingSlash('nope')).to.be.eql('/nope');
     });
     it('should returns same path', () => {
-      expect(validatePath('/nope')).to.be.eql('/nope');
+      expect(addLeadingSlash('/nope')).to.be.eql('/nope');
     });
     it('should returns empty path', () => {
-      expect(validatePath('')).to.be.eql('');
-      expect(validatePath(null)).to.be.eql('');
-      expect(validatePath(undefined)).to.be.eql('');
+      expect(addLeadingSlash('')).to.be.eql('');
+      expect(addLeadingSlash(null)).to.be.eql('');
+      expect(addLeadingSlash(undefined)).to.be.eql('');
     });
   });
   describe('isNil', () => {

packages/common/utils/cli-colors.util.ts

@@ -1,8 +1,16 @@
+type ColorTextFn = (text: string) => string;
+
+const isColorAllowed = () => !process.env.NO_COLOR;
+const colorIfAllowed = (colorFn: ColorTextFn) => (text: string) =>
+  isColorAllowed() ? colorFn(text) : text;
+
 export const clc = {
-  green: (text: string) => `\x1B[32m${text}\x1B[39m`,
-  yellow: (text: string) => `\x1B[33m${text}\x1B[39m`,
-  red: (text: string) => `\x1B[31m${text}\x1B[39m`,
-  magentaBright: (text: string) => `\x1B[95m${text}\x1B[39m`,
-  cyanBright: (text: string) => `\x1B[96m${text}\x1B[39m`,
+  green: colorIfAllowed((text: string) => `\x1B[32m${text}\x1B[39m`),
+  yellow: colorIfAllowed((text: string) => `\x1B[33m${text}\x1B[39m`),
+  red: colorIfAllowed((text: string) => `\x1B[31m${text}\x1B[39m`),
+  magentaBright: colorIfAllowed((text: string) => `\x1B[95m${text}\x1B[39m`),
+  cyanBright: colorIfAllowed((text: string) => `\x1B[96m${text}\x1B[39m`),
 };
-export const yellow = (text: string) => `\x1B[38;5;3m${text}\x1B[39m`;
+export const yellow = colorIfAllowed(
+  (text: string) => `\x1B[38;5;3m${text}\x1B[39m`,
+);

packages/common/utils/shared.utils.ts

@@ -24,7 +24,7 @@ export const isPlainObject = (fn: any): fn is object => {
   );
 };
 
-export const validatePath = (path?: string): string =>
+export const addLeadingSlash = (path?: string): string =>
   path ? (path.charAt(0) !== '/' ? '/' + path : path) : '';
 
 export const isFunction = (fn: any): boolean => typeof fn === 'function';

packages/core/middleware/middleware-module.ts

@@ -6,7 +6,10 @@ import {
 } from '@nestjs/common/interfaces/middleware/middleware-configuration.interface';
 import { NestMiddleware } from '@nestjs/common/interfaces/middleware/nest-middleware.interface';
 import { NestModule } from '@nestjs/common/interfaces/modules/nest-module.interface';
-import { isUndefined, validatePath } from '@nestjs/common/utils/shared.utils';
+import {
+  addLeadingSlash,
+  isUndefined,
+} from '@nestjs/common/utils/shared.utils';
 import { ApplicationConfig } from '../application-config';
 import { InvalidMiddlewareException } from '../errors/exceptions/invalid-middleware.exception';
 import { RuntimeException } from '../errors/exceptions/runtime.exception';
@@ -265,7 +268,7 @@ export class MiddlewareModule {
     ) => void,
   ) {
     const prefix = this.config.getGlobalPrefix();
-    const basePath = validatePath(prefix);
+    const basePath = addLeadingSlash(prefix);
     if (basePath && path === '/*') {
       // strip slash when a wildcard is being used
       // and global prefix has been set

packages/core/middleware/routes-mapper.ts

@@ -2,9 +2,9 @@ import { RequestMethod } from '@nestjs/common';
 import { PATH_METADATA } from '@nestjs/common/constants';
 import { RouteInfo, Type } from '@nestjs/common/interfaces';
 import {
+  addLeadingSlash,
   isString,
   isUndefined,
-  validatePath,
 } from '@nestjs/common/utils/shared.utils';
 import { NestContainer } from '../injector/container';
 import { MetadataScanner } from '../metadata-scanner';
@@ -64,11 +64,11 @@ export class RoutesMapper {
   }
 
   private validateGlobalPath(path: string): string {
-    const prefix = validatePath(path);
+    const prefix = addLeadingSlash(path);
     return prefix === '/' ? '' : prefix;
   }
 
   private validateRoutePath(path: string): string {
-    return validatePath(path);
+    return addLeadingSlash(path);
   }
 }

packages/core/nest-application.ts

@@ -13,7 +13,7 @@ import { CorsOptions } from '@nestjs/common/interfaces/external/cors-options.int
 import { NestApplicationOptions } from '@nestjs/common/interfaces/nest-application-options.interface';
 import { Logger } from '@nestjs/common/services/logger.service';
 import { loadPackage } from '@nestjs/common/utils/load-package.util';
-import { isObject, validatePath } from '@nestjs/common/utils/shared.utils';
+import { addLeadingSlash, isObject } from '@nestjs/common/utils/shared.utils';
 import { iterate } from 'iterare';
 import { platform } from 'os';
 import { AbstractHttpAdapter } from './adapters';
@@ -164,7 +164,7 @@ export class NestApplication
     await this.registerMiddleware(this.httpAdapter);
 
     const prefix = this.config.getGlobalPrefix();
-    const basePath = validatePath(prefix);
+    const basePath = addLeadingSlash(prefix);
     this.routesResolver.resolve(this.httpAdapter, basePath);
   }
 
@@ -239,8 +239,8 @@ export class NestApplication
   ): Promise<any>;
   public async listen(port: number | string, ...args: any[]): Promise<any> {
     !this.isInitialized && (await this.init());
-    this.httpAdapter.listen(port, ...args);
     this.isListening = true;
+    this.httpAdapter.listen(port, ...args);
     return this.httpServer;
   }
 

packages/core/router/router-explorer.ts

@@ -6,9 +6,9 @@ import { Controller } from '@nestjs/common/interfaces/controllers/controller.int
 import { Type } from '@nestjs/common/interfaces/type.interface';
 import { Logger } from '@nestjs/common/services/logger.service';
 import {
+  addLeadingSlash,
   isString,
   isUndefined,
-  validatePath,
 } from '@nestjs/common/utils/shared.utils';
 import * as pathToRegexp from 'path-to-regexp';
 import { ApplicationConfig } from '../application-config';
@@ -87,20 +87,20 @@ export class RouterExplorer {
     );
   }
 
-  public extractRouterPath(
-    metatype: Type<Controller>,
-    prefix?: string,
-  ): string {
+  public extractRouterPath(metatype: Type<Controller>, prefix = ''): string[] {
     let path = Reflect.getMetadata(PATH_METADATA, metatype);
-    if (prefix) path = prefix + this.validateRoutePath(path);
-    return this.validateRoutePath(path);
-  }
 
-  public validateRoutePath(path: string): string {
     if (isUndefined(path)) {
       throw new UnknownRequestMappingException();
     }
-    return validatePath(path);
+
+    if (Array.isArray(path)) {
+      path = path.map(p => prefix + addLeadingSlash(p));
+    } else {
+      path = [prefix + addLeadingSlash(path)];
+    }
+
+    return path.map(p => addLeadingSlash(p));
   }
 
   public scanForPaths(
@@ -134,8 +134,8 @@ export class RouterExplorer {
       targetCallback,
     );
     const path = isString(routePath)
-      ? [this.validateRoutePath(routePath)]
-      : routePath.map(p => this.validateRoutePath(p));
+      ? [addLeadingSlash(routePath)]
+      : routePath.map(p => addLeadingSlash(p));
     return {
       path,
       requestMethod,

packages/core/router/routes-resolver.ts

@@ -60,24 +60,27 @@ export class RoutesResolver implements Resolver {
       const { metatype } = instanceWrapper;
 
       const host = this.getHostMetadata(metatype);
-      const path = this.routerExplorer.extractRouterPath(
+      const paths = this.routerExplorer.extractRouterPath(
         metatype as Type<any>,
         basePath,
       );
       const controllerName = metatype.name;
-      this.logger.log(
-        CONTROLLER_MAPPING_MESSAGE(
-          controllerName,
-          this.routerExplorer.stripEndSlash(path),
-        ),
-      );
-      this.routerExplorer.explore(
-        instanceWrapper,
-        moduleName,
-        applicationRef,
-        path,
-        host,
-      );
+
+      paths.forEach(path => {
+        this.logger.log(
+          CONTROLLER_MAPPING_MESSAGE(
+            controllerName,
+            this.routerExplorer.stripEndSlash(path),
+          ),
+        );
+        this.routerExplorer.explore(
+          instanceWrapper,
+          moduleName,
+          applicationRef,
+          path,
+          host,
+        );
+      });
     });
   }
 

packages/core/router/sse-stream.ts

@@ -58,7 +58,7 @@ export class SseStream extends Transform {
         Connection: 'keep-alive',
         // Disable cache, even for old browsers and proxies
         'Cache-Control':
-          'private, no-cache, no-store, must-revalidate, max-age=0',
+          'private, no-cache, no-store, must-revalidate, max-age=0, no-transform',
         'Transfer-Encoding': 'identity',
         Pragma: 'no-cache',
         Expire: '0',

packages/core/scanner.ts

@@ -37,14 +37,14 @@ import { iterate } from 'iterare';
 import { ApplicationConfig } from './application-config';
 import { APP_FILTER, APP_GUARD, APP_INTERCEPTOR, APP_PIPE } from './constants';
 import { CircularDependencyException } from './errors/exceptions/circular-dependency.exception';
+import { InvalidModuleException } from './errors/exceptions/invalid-module.exception';
+import { UndefinedModuleException } from './errors/exceptions/undefined-module.exception';
 import { getClassScope } from './helpers/get-class-scope';
 import { ModulesContainer } from './injector';
 import { NestContainer } from './injector/container';
 import { InstanceWrapper } from './injector/instance-wrapper';
 import { Module } from './injector/module';
 import { MetadataScanner } from './metadata-scanner';
-import { InvalidModuleException } from './errors/exceptions/invalid-module.exception';
-import { UndefinedModuleException } from './errors/exceptions/undefined-module.exception';
 
 interface ApplicationProviderWrapper {
   moduleKey: string;
@@ -72,40 +72,53 @@ export class DependenciesScanner {
   }
 
   public async scanForModules(
-    module: ForwardReference | Type<unknown> | DynamicModule,
+    moduleDefinition:
+      | ForwardReference
+      | Type<unknown>
+      | DynamicModule
+      | Promise<DynamicModule>,
     scope: Type<unknown>[] = [],
     ctxRegistry: (ForwardReference | DynamicModule | Type<unknown>)[] = [],
   ): Promise<Module> {
-    const moduleInstance = await this.insertModule(module, scope);
-    ctxRegistry.push(module);
+    const moduleInstance = await this.insertModule(moduleDefinition, scope);
+    moduleDefinition =
+      moduleDefinition instanceof Promise
+        ? await moduleDefinition
+        : moduleDefinition;
+    ctxRegistry.push(moduleDefinition);
 
-    if (this.isForwardReference(module)) {
-      module = (module as ForwardReference).forwardRef();
+    if (this.isForwardReference(moduleDefinition)) {
+      moduleDefinition = (moduleDefinition as ForwardReference).forwardRef();
     }
-    const modules = !this.isDynamicModule(module as Type<any> | DynamicModule)
-      ? this.reflectMetadata(module as Type<any>, MODULE_METADATA.IMPORTS)
+    const modules = !this.isDynamicModule(
+      moduleDefinition as Type<any> | DynamicModule,
+    )
+      ? this.reflectMetadata(
+          moduleDefinition as Type<any>,
+          MODULE_METADATA.IMPORTS,
+        )
       : [
           ...this.reflectMetadata(
-            (module as DynamicModule).module,
+            (moduleDefinition as DynamicModule).module,
             MODULE_METADATA.IMPORTS,
           ),
-          ...((module as DynamicModule).imports || []),
+          ...((moduleDefinition as DynamicModule).imports || []),
         ];
 
     for (const [index, innerModule] of modules.entries()) {
       // In case of a circular dependency (ES module system), JavaScript will resolve the type to `undefined`.
       if (innerModule === undefined) {
-        throw new UndefinedModuleException(module, index, scope);
+        throw new UndefinedModuleException(moduleDefinition, index, scope);
       }
       if (!innerModule) {
-        throw new InvalidModuleException(module, index, scope);
+        throw new InvalidModuleException(moduleDefinition, index, scope);
       }
       if (ctxRegistry.includes(innerModule)) {
         continue;
       }
       await this.scanForModules(
         innerModule,
-        [].concat(scope, module),
+        [].concat(scope, moduleDefinition),
         ctxRegistry,
       );
     }

packages/core/test/injector/instance-wrapper.spec.ts

@@ -21,7 +21,7 @@ describe('InstanceWrapper', () => {
       expect(instance.scope).to.be.eql(partial.scope);
       expect(instance.metatype).to.be.eql(partial.metatype);
     });
-    it('should set intance by context id', () => {
+    it('should set instance by context id', () => {
       const instance = new InstanceWrapper(partial);
 
       expect(

packages/core/test/router/router-explorer.spec.ts

@@ -32,6 +32,21 @@ describe('RouterExplorer', () => {
     public getTestUsingArray() {}
   }
 
+  @Controller(['global', 'global-alias'])
+  class TestRouteAlias {
+    @Get('test')
+    public getTest() {}
+
+    @Post('test')
+    public postTest() {}
+
+    @All('another-test')
+    public anotherTest() {}
+
+    @Get(['foo', 'bar'])
+    public getTestUsingArray() {}
+  }
+
   let routerBuilder: RouterExplorer;
   let injector: Injector;
   let exceptionsFilter: RouterExceptionFilters;
@@ -70,6 +85,22 @@ describe('RouterExplorer', () => {
       expect(paths[2].requestMethod).to.eql(RequestMethod.ALL);
       expect(paths[3].requestMethod).to.eql(RequestMethod.GET);
     });
+
+    it('should method return expected list of route paths alias', () => {
+      const paths = routerBuilder.scanForPaths(new TestRouteAlias());
+
+      expect(paths).to.have.length(4);
+
+      expect(paths[0].path).to.eql(['/test']);
+      expect(paths[1].path).to.eql(['/test']);
+      expect(paths[2].path).to.eql(['/another-test']);
+      expect(paths[3].path).to.eql(['/foo', '/bar']);
+
+      expect(paths[0].requestMethod).to.eql(RequestMethod.GET);
+      expect(paths[1].requestMethod).to.eql(RequestMethod.POST);
+      expect(paths[2].requestMethod).to.eql(RequestMethod.ALL);
+      expect(paths[3].requestMethod).to.eql(RequestMethod.GET);
+    });
   });
 
   describe('exploreMethodMetadata', () => {
@@ -87,6 +118,20 @@ describe('RouterExplorer', () => {
       expect(route.requestMethod).to.eql(RequestMethod.GET);
     });
 
+    it('should method return expected object which represent single route with alias', () => {
+      const instance = new TestRouteAlias();
+      const instanceProto = Object.getPrototypeOf(instance);
+
+      const route = routerBuilder.exploreMethodMetadata(
+        new TestRouteAlias(),
+        instanceProto,
+        'getTest',
+      );
+
+      expect(route.path).to.eql(['/test']);
+      expect(route.requestMethod).to.eql(RequestMethod.GET);
+    });
+
     it('should method return expected object which represent multiple routes', () => {
       const instance = new TestRoute();
       const instanceProto = Object.getPrototypeOf(instance);
@@ -100,6 +145,20 @@ describe('RouterExplorer', () => {
       expect(route.path).to.eql(['/foo', '/bar']);
       expect(route.requestMethod).to.eql(RequestMethod.GET);
     });
+
+    it('should method return expected object which represent multiple routes with alias', () => {
+      const instance = new TestRouteAlias();
+      const instanceProto = Object.getPrototypeOf(instance);
+
+      const route = routerBuilder.exploreMethodMetadata(
+        new TestRouteAlias(),
+        instanceProto,
+        'getTestUsingArray',
+      );
+
+      expect(route.path).to.eql(['/foo', '/bar']);
+      expect(route.requestMethod).to.eql(RequestMethod.GET);
+    });
   });
 
   describe('applyPathsToRouterProxy', () => {
@@ -130,14 +189,20 @@ describe('RouterExplorer', () => {
 
   describe('extractRouterPath', () => {
     it('should return expected path', () => {
-      expect(routerBuilder.extractRouterPath(TestRoute)).to.be.eql('/global');
-      expect(routerBuilder.extractRouterPath(TestRoute, '/module')).to.be.eql(
+      expect(routerBuilder.extractRouterPath(TestRoute)).to.be.eql(['/global']);
+      expect(routerBuilder.extractRouterPath(TestRoute, '/module')).to.be.eql([
         '/module/global',
-      );
+      ]);
     });
 
-    it('should throw it a there is a bad path expected path', () => {
-      expect(() => routerBuilder.validateRoutePath(undefined)).to.throw();
+    it('should return expected path with alias', () => {
+      expect(routerBuilder.extractRouterPath(TestRouteAlias)).to.be.eql([
+        '/global',
+        '/global-alias',
+      ]);
+      expect(
+        routerBuilder.extractRouterPath(TestRouteAlias, '/module'),
+      ).to.be.eql(['/module/global', '/module/global-alias']);
     });
   });
 

packages/core/test/router/routes-resolver.spec.ts

@@ -88,7 +88,7 @@ describe('RoutesResolver', () => {
 
       sinon
         .stub((routesResolver as any).routerExplorer, 'extractRouterPath')
-        .callsFake(() => '');
+        .callsFake(() => ['']);
       routesResolver.registerRouters(routes, moduleName, '', appInstance);
 
       expect(exploreSpy.called).to.be.true;
@@ -114,7 +114,7 @@ describe('RoutesResolver', () => {
 
       sinon
         .stub((routesResolver as any).routerExplorer, 'extractRouterPath')
-        .callsFake(() => '');
+        .callsFake(() => ['']);
       routesResolver.registerRouters(routes, moduleName, '', appInstance);
 
       expect(exploreSpy.called).to.be.true;

packages/microservices/server/server-rmq.ts

@@ -1,4 +1,8 @@
-import { isString, isUndefined } from '@nestjs/common/utils/shared.utils';
+import {
+  isNil,
+  isString,
+  isUndefined,
+} from '@nestjs/common/utils/shared.utils';
 import { Observable } from 'rxjs';
 import {
   CONNECT_EVENT,
@@ -111,6 +115,9 @@ export class ServerRMQ extends Server implements CustomTransportStrategy {
     message: Record<string, any>,
     channel: any,
   ): Promise<void> {
+    if (isNil(message)) {
+      return;
+    }
     const { content, properties } = message;
     const rawMessage = JSON.parse(content.toString());
     const packet = this.deserializer.deserialize(rawMessage);

packages/microservices/server/server.ts

@@ -95,7 +95,9 @@ export abstract class Server {
   ): Promise<any> {
     const handler = this.getHandlerByPattern(pattern);
     if (!handler) {
-      return this.logger.error(NO_EVENT_HANDLER);
+      return this.logger.error(
+        `${NO_EVENT_HANDLER} Event pattern: ${JSON.stringify(pattern)}.`,
+      );
     }
     const resultOrStream = await handler(packet.data, context);
     if (this.isObservable(resultOrStream)) {

packages/platform-express/adapters/express-adapter.ts

@@ -142,6 +142,11 @@ export class ExpressAdapter extends AbstractHttpAdapter {
       .forEach(parserKey => this.use(parserMiddleware[parserKey]));
   }
 
+  public setLocal(key: string, value: any) {
+    this.instance.locals[key] = value;
+    return this;
+  }
+
   public getType(): string {
     return 'express';
   }

packages/platform-express/interfaces/nest-express-application.interface.ts

@@ -75,4 +75,16 @@ export interface NestExpressApplication extends INestApplication {
    * @returns {this}
    */
   setViewEngine(engine: string): this;
+
+  /**
+   * Sets app-level globals for view templates.
+   *
+   * @example
+   * app.setLocal('title', 'My Site')
+   *
+   * @see https://expressjs.com/en/4x/api.html#app.locals
+   *
+   * @returns {this}
+   */
+  setLocal(key: string, value: any): this;
 }

packages/platform-fastify/adapters/fastify-adapter.ts

@@ -59,12 +59,8 @@ type FastifyHttpsOptions<
 
 export class FastifyAdapter<
   TServer extends RawServerBase = RawServerDefault,
-  TRawRequest extends RawRequestDefaultExpression<
-    TServer
-  > = RawRequestDefaultExpression<TServer>,
-  TRawResponse extends RawReplyDefaultExpression<
-    TServer
-  > = RawReplyDefaultExpression<TServer>
+  TRawRequest extends RawRequestDefaultExpression<TServer> = RawRequestDefaultExpression<TServer>,
+  TRawResponse extends RawReplyDefaultExpression<TServer> = RawReplyDefaultExpression<TServer>
 > extends AbstractHttpAdapter<
   TServer,
   FastifyRequest<RequestGenericInterface, TServer, TRawRequest>,
@@ -113,9 +109,6 @@ export class FastifyAdapter<
     callback?: () => void,
   ): void;
   public listen(port: string | number, ...args: any[]): Promise<string> {
-    if (typeof port === 'string') {
-      port = parseInt(port);
-    }
     return this.instance.listen(port, ...args);
   }
 

packages/platform-fastify/interfaces/nest-fastify-application.interface.ts

@@ -55,16 +55,16 @@ export interface NestFastifyApplication extends INestApplication {
    * @returns A Promise that, when resolved, is a reference to the underlying HttpServer.
    */
   listen(
-    port: number,
+    port: number | string,
     callback?: (err: Error, address: string) => void,
   ): Promise<any>;
   listen(
-    port: number,
+    port: number | string,
     address: string,
     callback?: (err: Error, address: string) => void,
   ): Promise<any>;
   listen(
-    port: number,
+    port: number | string,
     address: string,
     backlog: number,
     callback?: (err: Error, address: string) => void,

packages/platform-fastify/package.json

@@ -17,10 +17,10 @@
     "access": "public"
   },
   "dependencies": {
-    "fastify": "3.8.0",
+    "fastify": "3.9.1",
     "fastify-cors": "5.0.0",
     "fastify-formbody": "5.0.0",
-    "light-my-request": "4.2.1",
+    "light-my-request": "4.3.0",
     "middie": "5.2.0",
     "path-to-regexp": "3.2.0",
     "tslib": "2.0.3"

packages/platform-ws/package.json

@@ -18,7 +18,7 @@
   },
   "dependencies": {
     "tslib": "2.0.3",
-    "ws": "7.4.0"
+    "ws": "7.4.1"
   },
   "peerDependencies": {
     "@nestjs/common": "^7.0.0",

packages/websockets/socket-server-provider.ts

@@ -1,4 +1,4 @@
-import { validatePath } from '@nestjs/common/utils/shared.utils';
+import { addLeadingSlash } from '@nestjs/common/utils/shared.utils';
 import { ApplicationConfig } from '@nestjs/core/application-config';
 import { isString } from 'util';
 import { GatewayMetadata } from './interfaces/gateway-metadata.interface';
@@ -74,6 +74,6 @@ export class SocketServerProvider {
     if (!isString(namespace)) {
       return namespace;
     }
-    return validatePath(namespace);
+    return addLeadingSlash(namespace);
   }
 }

sample/09-babel-example/package-lock.json

@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@babel/cli": {
-      "version": "7.12.7",
-      "resolved": "https://registry.npmjs.org/@babel/cli/-/cli-7.12.7.tgz",
-      "integrity": "sha512-vE1fidQsaWnQVs4SItkuCdi3+uXqjbhw4cIKp8aawKxOnTnlvxYMzXSeMAqo6alldQRFQYb198YQfW0Sp1jl5Q==",
+      "version": "7.12.8",
+      "resolved": "https://registry.npmjs.org/@babel/cli/-/cli-7.12.8.tgz",
+      "integrity": "sha512-/6nQj11oaGhLmZiuRUfxsujiPDc9BBReemiXgIbxc+M5W+MIiFKYwvNDJvBfnGKNsJTKbUfEheKc9cwoPHAVQA==",
       "dev": true,
       "requires": {
         "@nicolo-ribaudo/chokidar-2": "2.1.8-no-fsevents",
@@ -46,9 +46,9 @@
       "dev": true
     },
     "@babel/core": {
-      "version": "7.12.7",
-      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.12.7.tgz",
-      "integrity": "sha512-tRKx9B53kJe8NCGGIxEQb2Bkr0riUIEuN7Sc1fxhs5H8lKlCWUvQCSNMVIB0Meva7hcbCRJ76de15KoLltdoqw==",
+      "version": "7.12.9",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.12.9.tgz",
+      "integrity": "sha512-gTXYh3M5wb7FRXQy+FErKFAv90BnlOuNn1QkCK2lREoPAjrQCO49+HVSrFoe5uakFAF5eenS75KbO2vQiLrTMQ==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.10.4",
@@ -57,7 +57,7 @@
         "@babel/helpers": "^7.12.5",
         "@babel/parser": "^7.12.7",
         "@babel/template": "^7.12.7",
-        "@babel/traverse": "^7.12.7",
+        "@babel/traverse": "^7.12.9",
         "@babel/types": "^7.12.7",
         "convert-source-map": "^1.7.0",
         "debug": "^4.1.0",
@@ -98,9 +98,9 @@
           }
         },
         "@babel/traverse": {
-          "version": "7.12.7",
-          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.12.7.tgz",
-          "integrity": "sha512-nMWaqsQEeSvMNypswUDzjqQ+0rR6pqCtoQpsqGJC4/Khm9cISwPTSpai57F6/jDaOoEGz8yE/WxcO3PV6tKSmQ==",
+          "version": "7.12.9",
+          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.12.9.tgz",
+          "integrity": "sha512-iX9ajqnLdoU1s1nHt36JDI9KG4k+vmI8WgjK5d+aDTwQbL2fUnzedNedssA645Ede3PM2ma1n8Q4h2ohwXgMXw==",
           "dev": true,
           "requires": {
             "@babel/code-frame": "^7.10.4",
@@ -819,9 +819,9 @@
           "dev": true
         },
         "@babel/traverse": {
-          "version": "7.12.7",
-          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.12.7.tgz",
-          "integrity": "sha512-nMWaqsQEeSvMNypswUDzjqQ+0rR6pqCtoQpsqGJC4/Khm9cISwPTSpai57F6/jDaOoEGz8yE/WxcO3PV6tKSmQ==",
+          "version": "7.12.9",
+          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.12.9.tgz",
+          "integrity": "sha512-iX9ajqnLdoU1s1nHt36JDI9KG4k+vmI8WgjK5d+aDTwQbL2fUnzedNedssA645Ede3PM2ma1n8Q4h2ohwXgMXw==",
           "dev": true,
           "requires": {
             "@babel/code-frame": "^7.10.4",

sample/09-babel-example/package.json

@@ -22,8 +22,8 @@
     "rxjs": "6.6.3"
   },
   "devDependencies": {
-    "@babel/cli": "7.12.7",
-    "@babel/core": "7.12.7",
+    "@babel/cli": "7.12.8",
+    "@babel/core": "7.12.9",
     "@babel/node": "7.12.6",
     "@babel/plugin-proposal-decorators": "7.12.1",
     "@babel/plugin-transform-runtime": "7.12.1",