typed-adventureland
Version:
Strong TypeScript declarations for the game AdventureLand
17 lines (16 loc) • 1.06 kB
TypeScript
/** From https://www.npmjs.com/package/@telokys/ts-meta-types#debugterface */
export type Debug<Terface> = Terface extends infer O ? {
[K in keyof O]: O[K];
} : never;
/** Creates a union of all keys of all objects in the Terface union */
export type AllKeys<Terface> = Terface extends any ? keyof Terface & (string | number | symbol) : never;
/** Creates a new interface adding the missing keys to Terface */
export type Wrap<Terface, Keys extends string | number | symbol> = Terface & {
[K in Exclude<Keys, keyof Terface>]?: undefined;
};
/** Distributes the union and automatically add the missing keys */
export type BetterUXWrapper<Terface, Keys extends AllKeys<Terface> = AllKeys<Terface>> = Terface extends any ? Wrap<Terface, Keys> : never;
/** Builds a tuple containing N times the type T. */
export type Tuple<T, N extends number> = N extends N ? number extends N ? T[] : _TupleOf<T, N, []> : never;
type _TupleOf<T, N extends number, R extends unknown[]> = R["length"] extends N ? R : _TupleOf<T, N, [T, ...R]>;
export {};