DefinitelyTyped/types/bem-cn/index.d.ts

// Type definitions for bem-cn 2.1
// Project: https://github.com/albburtsev/bem-cn
// Definitions by: Vitaly Selkin <https://github.com/selkinvitaly>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

type StateFn = (states: { [key: string]: boolean }) => BemCn.Inner;
declare function BemCn(name: string): BemCn.Inner;

declare namespace BemCn {
    function reset(): void;
    function setup(settings?: Settings): void;

    interface Modifications {
        [key: string]: (string | boolean);
    }

    interface Inner {
        (elem: string | Modifications): Inner;
        (elem: string, mods: Modifications): Inner;
        (): string;

        mix(mixes: string | string[]): Inner;
        has: StateFn;
        state: StateFn;
        is: StateFn;
        toString(): string;
        valueOf(): string;
        split(separator: string, limit?: number): string[];
    }

    interface Settings {
        ns?: string;
        el?: string;
        mod?: string;
        modValue?: string;
        classMap?: { [className: string]: string } | null;
    }
}

export as namespace BemCn;
export = BemCn;