02852-medium-omitbytype.ts

// ============= Test Cases =============
import type { Equal, Expect } from './test-utils'

interface Model {
  name: string
  count: number
  isReadonly: boolean
  isEnable: boolean
}

type cases = [
  Expect<Equal<OmitByType<Model, boolean>, { name: string; count: number }>>,
  Expect<Equal<OmitByType<Model, string>, { count: number; isReadonly: boolean; isEnable: boolean }>>,
  Expect<Equal<OmitByType<Model, number>, { name: string; isReadonly: boolean; isEnable: boolean }>>,
]


// ============= Your Code Here =============
type OmitByType<T extends Model, U> = {
  [P in keyof T as T[P] extends U ? never : P]: T[P]
}

type test1 = OmitByType<Model, boolean>