RenaiApp/src/types/deep-partial.ts

type DeepPartial<T> = {
  [P in keyof T]?: T[P] extends Array<infer U>
    ? Array<DeepPartial<U>>
    : (T[P] extends ReadonlyArray<infer V> ? ReadonlyArray<DeepPartial<V>> : DeepPartial<T[P]>);
};