export function runXTimes(xTimes: number, fn: (idx: number) => void) {
    new Array(xTimes).fill(0).forEach((_v, idx) => fn(idx));
}

export function ensureNotFalsy<T>(obj: T | false | undefined | null): T {
    if (!obj) {
        throw new Error('ensureNotFalsy() is falsy');
    }
    return obj;
}

export function ensureInteger(obj: unknown): number {
    if (!Number.isInteger(obj)) {
        throw new Error('ensureInteger() is falsy');
    }
    return obj as number;
}

/**
 * Using shareReplay() without settings will not unsubscribe
 * if there are no more subscribers.
 * So we use these defaults.
 * @link https://cartant.medium.com/rxjs-whats-changed-with-sharereplay-65c098843e95
 */
export const RXJS_SHARE_REPLAY_DEFAULTS = {
    bufferSize: 1,
    refCount: true
};