NullablePartial - API reference

API reference › @evolu/common › Types › NullablePartial

type NullablePartial<T, NK, NP> = { [K in keyof NP]: NP[K] };

Defined in: packages/common/src/Types.ts:257

Makes properties optional if they accept null as a value.

For each property in T, if null is a valid value for that property, the property will be made optional in the resulting type.

Optional nullable properties

import type { NullablePartial } from "@evolu/common";

type Example = {
  required: string;
  optionalWithNull: string | null;
};

expectTypeOf<NullablePartial<Example>>().toEqualTypeOf<{
  required: string;
  optionalWithNull?: string | null;
}>();