Typeseedcordv0.10.6

RequireAtLeastOne

Create a type that requires at least one of the given keys, while keeping the remaining keys as is.

type RequireAtLeastOne<
    ObjectType,
    KeysType extends keyof ObjectType = keyof ObjectType
> = IfNotAnyOrNever<
    ObjectType,
    If<
        IsNever<KeysType>,
        never,
        _RequireAtLeastOne<
            ObjectType,
            If<
                IsAny<KeysType>,
                keyof ObjectType,
                KeysType
            >
        >
    >
>;

type RequireAtLeastOne<
    ObjectType,
    KeysType extends keyof ObjectType = keyof ObjectType
> = IfNotAnyOrNever<
    ObjectType,
    If<
        IsNever<KeysType>,
        never,
        _RequireAtLeastOne<
            ObjectType,
            If<
                IsAny<KeysType>,
                keyof ObjectType,
                KeysType
            >
        >
    >
>;

import type {RequireAtLeastOne} from 'type-fest';

type Responder = {
	text?: () => string;
	json?: () => string;
	secure?: boolean;
};

const responder: RequireAtLeastOne<Responder, 'text' | 'json'> = {
	json: () => '{"message": "ok"}',
	secure: true,
};

 Object

import type {RequireAtLeastOne} from 'type-fest';

type Responder = {
	text?: () => string;
	json?: () => string;
	secure?: boolean;
};

const responder: RequireAtLeastOne<Responder, 'text' | 'json'> = {
	json: () => '{"message": "ok"}',
	secure: true,
};

 Object

ObjectType

ObjectType

ObjectType

KeysType

KeysType extends keyof ObjectType = keyof ObjectType

KeysType extends keyof ObjectType = keyof ObjectType

Typeseedcordv0.10.6

RequireAtLeastOne

Create a type that requires at least one of the given keys, while keeping the remaining keys as is.

type RequireAtLeastOne<
    ObjectType,
    KeysType extends keyof ObjectType = keyof ObjectType
> = IfNotAnyOrNever<
    ObjectType,
    If<
        IsNever<KeysType>,
        never,
        _RequireAtLeastOne<
            ObjectType,
            If<
                IsAny<KeysType>,
                keyof ObjectType,
                KeysType
            >
        >
    >
>;

type RequireAtLeastOne<
    ObjectType,
    KeysType extends keyof ObjectType = keyof ObjectType
> = IfNotAnyOrNever<
    ObjectType,
    If<
        IsNever<KeysType>,
        never,
        _RequireAtLeastOne<
            ObjectType,
            If<
                IsAny<KeysType>,
                keyof ObjectType,
                KeysType
            >
        >
    >
>;

import type {RequireAtLeastOne} from 'type-fest';

type Responder = {
	text?: () => string;
	json?: () => string;
	secure?: boolean;
};

const responder: RequireAtLeastOne<Responder, 'text' | 'json'> = {
	json: () => '{"message": "ok"}',
	secure: true,
};

 Object

import type {RequireAtLeastOne} from 'type-fest';

type Responder = {
	text?: () => string;
	json?: () => string;
	secure?: boolean;
};

const responder: RequireAtLeastOne<Responder, 'text' | 'json'> = {
	json: () => '{"message": "ok"}',
	secure: true,
};

 Object

ObjectType

ObjectType

ObjectType

KeysType

KeysType extends keyof ObjectType = keyof ObjectType

KeysType extends keyof ObjectType = keyof ObjectType