pick-type-problem

pick-type-problem.ts

class TestDto {
  @ApiProperty({ type: String, required: true })
  @IsString()
  @IsDefined()
  id: string;

  @ApiProperty({ type: String, required: true })
  @IsString()
  @IsDefined()
  testId: string;

  @ApiProperty({ type: String, required: true })
  @IsNumber()
  value: number;
}

const SMALLER_TEST_DTO_REQUIRED_FIELDS: Array<keyof TestDto> = ["id", "testId"];

class SmallerTestExpectedDto extends PickType(TestDto, ["id", "testId"]) {}

class SmallerTestUnexpectedDto extends PickType(TestDto, SMALLER_TEST_DTO_REQUIRED_FIELDS) {}

const smallerTestExpected: SmallerTestExpectedDto = {
  id: "id",
  testId: "test",
};

const smallerTestUnexpected: SmallerTestUnexpectedDto = {
  id: "id",
  testId: "test",
};