refactor(): update typings, code style update, remove typo

Author: kamilmysliwiec

.gitignore

@@ -28,5 +28,6 @@ yarn-error.log
 /test
 /coverage
 /.nyc_output
+/packages/graphql
 /benchmarks/memory
-build/config\.gypi
+build/config\.gypi

integration/graphql/src/cats/cats.resolvers.ts

@@ -34,8 +34,6 @@ export class CatsResolvers {
 
   @Subscription('catCreated')
   catCreated() {
-    return {
-      subscribe: () => pubSub.asyncIterator('catCreated'),
-    };
+    return pubSub.asyncIterator('catCreated');
   }
 }

integration/hello-world/e2e/exceptions.spec.ts

@@ -1,6 +1,6 @@
-import * as request from 'supertest';
+import { HttpStatus, INestApplication } from '@nestjs/common';
 import { Test } from '@nestjs/testing';
-import { INestApplication, HttpStatus } from '@nestjs/common';
+import * as request from 'supertest';
 import { ErrorsController } from '../src/errors/errors.controller';
 
 describe('Error messages', () => {
@@ -10,8 +10,7 @@ describe('Error messages', () => {
   beforeEach(async () => {
     const module = await Test.createTestingModule({
       controllers: [ErrorsController],
-    })
-      .compile();
+    }).compile();
 
     app = module.createNestApplication();
     server = app.getHttpServer();
@@ -25,7 +24,7 @@ describe('Error messages', () => {
       .expect({
         statusCode: 400,
         error: 'Bad Request',
-        message: 'Integration test'
+        message: 'Integration test',
       });
   });
 
@@ -36,7 +35,7 @@ describe('Error messages', () => {
       .expect({
         statusCode: 400,
         error: 'Bad Request',
-        message: 'Integration test'
+        message: 'Integration test',
       });
   });