ts-essentials/dist/opaque/index.d.ts

All essential TypeScript types in one place

declare type StringLiteral<Type> = Type extends string ? (string extends Type ? never : Type) : never;
declare const __OPAQUE_TYPE__: unique symbol;
export declare type WithOpaque<Token extends string> = {
    readonly [__OPAQUE_TYPE__]: Token;
};
export declare type Opaque<Type, Token extends string> = Token extends StringLiteral<Token> ? Type & WithOpaque<Token> : never;
export {};