export function debounce<T extends (...args: any[]) => any>(
  fn: T,
  delay: number,
): (...args: Parameters<T>) => void {
  let timer: NodeJS.Timeout | null = null;

  return function debounced(this: unknown, ...args: Parameters<T>) {
    if (timer) {
      clearTimeout(timer);
    }
    timer = setTimeout(() => {
      fn.apply(this, args);
    }, delay);
  };
}

export function cloneDeep<T>(obj: T): T {
  if (obj === null || typeof obj !== 'object') {
    return obj;
  }

  if (Array.isArray(obj)) {
    return obj.map((item) => cloneDeep(item)) as T;
  }

  const clone = Object.assign({}, obj);
  for (const key in clone) {
    if (Object.prototype.hasOwnProperty.call(clone, key)) {
      clone[key] = cloneDeep(clone[key]);
    }
  }
  return clone;
}