fix: fixed issue with #7 when there is no cors middleware

Author: SimonB407

example-app/package.json

@@ -18,14 +18,15 @@
     "test:e2e": "jest --config ./test/jest-e2e.json"
   },
   "dependencies": {
-    "@admin-bro/express": "^3.0.0-beta.3",
-    "@admin-bro/mongoose": "^1.0.0-beta.3",
-    "@admin-bro/nestjs": "^1.0.0-beta.2",
+    "@admin-bro/express": "^3.0.1",
+    "@admin-bro/mongoose": "^1.1.0",
     "@nestjs/common": "^6.7.2",
     "@nestjs/core": "^6.7.2",
     "@nestjs/mongoose": "^7.0.2",
     "@nestjs/platform-express": "^6.7.2",
-    "admin-bro": "^3.0.0-beta.12",
+    "admin-bro": "^3.3.1",
+    "class-transformer": "^0.3.1",
+    "class-validator": "^0.12.2",
     "express": "^4.17.1",
     "express-formidable": "^1.2.0",
     "express-session": "^1.17.1",

example-app/src/app.controller.ts

@@ -1,8 +1,15 @@
-import { Controller, Get } from '@nestjs/common';
-import mongoose from 'mongoose';
+import { Body, Controller, Get, Post } from '@nestjs/common';
+import { IsString } from 'class-validator';
+import { Expose } from 'class-transformer';
 
 import { AppService } from './app.service';
 
+export class Hello {
+  @Expose()
+  @IsString()
+  public hello!: string
+}
+
 @Controller()
 export class AppController {
   constructor(private readonly appService: AppService) {}
@@ -11,4 +18,9 @@ export class AppController {
   public getHello(): string {
     return this.appService.getHello();
   }
+
+  @Post()
+  public postHello(@Body() testBody: Hello): string {
+    return testBody.hello;
+  }
 }

example-app/src/main.ts

@@ -1,13 +1,18 @@
 import AdminBro from 'admin-bro';
 import AdminBroMongoose from '@admin-bro/mongoose';
 import { NestFactory } from '@nestjs/core';
+import { ValidationPipe } from '@nestjs/common';
 
 import { AppModule } from './app.module';
 
 AdminBro.registerAdapter(AdminBroMongoose);
 
 const bootstrap = async () => {
   const app = await NestFactory.create(AppModule);
+  app.useGlobalPipes(new ValidationPipe({
+    transform: true,
+    whitelist: true,
+  }))
   await app.listen(3000);
 }
 bootstrap();