export function enumValues<T extends string>(enumObj: { [key: string]: T }): IterableIterator<T>;

export function enumValues<T extends string | number>(enumObj: {
    [key: string]: T;
}): IterableIterator<Exclude<T, string>>;

// TODO: validate
export function* enumValues<T>(enumObj: Record<string, T>): IterableIterator<T> {
    let isStringEnum = true;
    for (const property in enumObj) {
        if (typeof enumObj[property] === 'number') {
            isStringEnum = false;
            break;
        }
    }
    for (const property in enumObj) {
        if (isStringEnum || typeof enumObj[property] === 'number') {
            yield enumObj[property] as T;
        }
    }
}