Distributive Omit

example.ts

type Album = {
    id: string // same per type
    title: string // same per type
    genre: string // different
}

type CollectorEdition = {
    id: string // same per type
    title: string // same per type
    limitedEditionFeatures: string[] // different
}

type DigitalRelease = {
    id: string // same per type
    title: string // same per type
    digitalFormat: string // different
}

type MusicProduct = Album | CollectorEdition | DigitalRelease

type MusicProductWithoutId = Omit<MusicProduct, "id"> // { title: string }

// Expected:
type MusicProductWithoutId1 = Omit<Album, "id"> | Omit<CollectorEdition, "id"> | Omit<DigitalRelease, "id">

// Actual:
type MusicProductWithoutId2 = {
    title: string
}

type MusicProductWithoutId = DistributiveOmit<MusicProduct, "id">
// type MusicProductWithoutId = Omit<Album, "id"> | Omit<CollectorEdition, "id"> | Omit<DigitalRelease, "id">

index.ts

export type DistributiveOmit<T, K extends PropertyKey> = T extends any ? Omit<T, K> : never