// FIX: This file was empty. Added a standard implementation for the useLocalStorage hook.
import { useState, useEffect, Dispatch, SetStateAction } from 'react';

function getStoredValue<T>(key: string, defaultValue: T): T {
  if (typeof window === 'undefined') {
    return defaultValue;
  }
  const saved = localStorage.getItem(key);
  try {
    return saved ? JSON.parse(saved) : defaultValue;
  } catch {
    return defaultValue;
  }
}

export function useLocalStorage<T>(
  key: string,
  defaultValue: T
): [T, Dispatch<SetStateAction<T>>] {
  const [value, setValue] = useState<T>(() =>
    getStoredValue(key, defaultValue)
  );

  useEffect(() => {
    localStorage.setItem(key, JSON.stringify(value));
  }, [key, value]);

  return [value, setValue];
}