sos: interface value types to union types

[2214962083]

how to convert Source to Target, help me !!!

type Source = {
  a: {
    type: 'a'
    sex: 'boy' | 'girl'
  }
  b: {
    type: 'b'
    name: string
  }
}

type Target =
  | {
      type: 'a'
      sex: 'boy' | 'girl'
    }
  | {
      type: 'b'
      name: string
    }

[jiangshanmeta]

type Values = T[keyof T]

[2214962083]

solve it, thanks very much