ExactNotMatchTypeKeys

ExactNotMatchTypeKeys<T, U>: keyof Omit<T, ExactMatchTypeKeys<T, U>>

Tのプロパティのうち、Uで指定した型を持プロパティのキーを取り出す

Example

type Post = {
  title: string
  body: string
  revision?: number
  createdAt: Date
  updatedAt?: Date
}
// Keys => "title" | "body" | "revision" | "createdAt"
type Keys = ExactNotMatchTypeKeys<Post, Date | undefined>
// Props => { title: string; body: string; revision?: number; createdAt: Date }
type Props = Pick<Post, Keys>

Type parameters

Name
T
U