type ServiceDepencency<T> = new (services: Services) => T;
class Services {
  #instances: Map<ServiceDepencency<unknown>, unknown> = new Map<ServiceDepencency<unknown>, unknown>();

  public get<T>(service: ServiceDepencency<T>) {
    if (!this.#instances.has(service)) {
      this.#instances.set(service, new service(this));
    }

    return this.#instances.get(service) as T;
  }
}

export { Services };