Is there an existing issue for this?

• I have searched the existing issues

Current behavior

Query parameter name shown as number despite the dto type says string

Minimum reproduction code

https://github.com/nxht/test-nestjs

Steps to reproduce

1. pnpm install
2. pnpm start:dev
3. Open http://localhost:3000/docs#/App/AppController_getHello

Expected behavior

Query parameter name should be string

Package version

8.1.0

NestJS version

10.4.15

Node.js version

20.9.0

In which operating systems have you tested?

• macOS
• Windows
• Linux

Other

DTO tested:

export class TestDto {
  @ApiProperty({
    type: 'string',
    enum: undefined,
  })
  name: string;
}

When the enum: undefined is removed, it works normally.