let pendingWrites = 0;

/** 覆盖登录等待、上传及重试全过程，防止写操作进行中切换服务端。 */
export function beginApiWrite() {
    pendingWrites++;
    return () => {
        pendingWrites--;
    };
}

export function hasPendingApiWrites() {
    return pendingWrites > 0;
}