useObject.ts

import { useRef } from 'react';

export const useObject = <T extends Record<string, any | unknown>>(obj: T | undefined): T => {
  const safeObj = (obj || {}) as T;
  const cached = useRef(safeObj);

  const { current } = cached;
  if (current === safeObj) return safeObj;

  const keys = Object.keys({ ...current, ...safeObj });
  for (const key of keys) {
    if (current[key] !== safeObj[key]) {
      cached.current = safeObj;
      break;
    }
  }

  return safeObj;
};