PartialType can lead to 500 Internal Server Error

[KuanWenChen]

Is there an existing issue for this?

• I have searched the existing issues

Current behavior

Issue nestjs/swagger#2623 has not been fixed in nestjs/swagger.
nestjs/mapped-types added the option skipNullProperties to PartialType, but nestjs/swagger did not.

Minimum reproduction code

https://github.com/KuanWenChen/swagger-issue

Steps to reproduce

1. npm install
2. npm run start:dev
3. go to website http://localhost:3000/swagger
4. POST /test/should-not-nullable with payload {"value": null}

Expected behavior

It should throw BadRequestError with error message "value must be a number conforming to the specified constraints"

Package version

7.3.0

NestJS version

10.3.3

Node.js version

v20.9.0

In which operating systems have you tested?

• macOS
• Windows
• Linux

Other

No response

[kamilmysliwiec]

Would you like to create a PR for this issue?