A. Maitre questions

A. Maitre answers

• Service injection in Guards and Circular Dependency
• NestJS Do I need DTO's along with entities?
• How to validate optional parameters in Nest.js?
• how to set the response to be an array in the swagger response using DTOs
• How to use 'require' to import a JSON in NestJS controller?
• How do I organise throwing business-logic exceptions in NestJs services?
• NestJS: How to setup ClassSerializerInterceptor as global interceptor
• How to create nested routes with parameters using NestJS
• How to use value which returned from controller? Testing controllers on NestJs