Type Alias DeepRequired<T>

DeepRequired: T extends (infer U)[]
? DeepRequired<U>[]
: T extends object ? { [K in keyof T]-?: DeepRequired<T[K]> } : T

Makes all nested properties required recursively

递归地将所有嵌套属性设为必需

Type Parameters

T

Example

interface Person {
  name?: string
  address?: { city?: string; zip?: string }
}
type RequiredPerson = DeepRequired<Person>
// { name: string; address: { city: string; zip: string } }