Type Alias SomeOptional<T, K>

SomeOptional: Prettify<Partial<Pick<T, K>> & Omit<T, K>>

Makes the keys in K optional; all other keys keep their original optionality and value types.

Type Parameters

T
Source object type.
K extends keyof T
Keys to make optional.

Example

type Input = { id: string; name: string; active: boolean };
type Output = SomeOptional<Input, "active">;
//   ^? { id: string; name: string; active?: boolean }