useDebouncedState.ts

import { useEffect, useState } from "react";

export const useDebouncedState = <T>(initialValue: T, delay: number) => {
  const [value, setValue] = useState(initialValue);
  const [debouncedValue, setDebouncedValue] = useState(initialValue);

  useEffect(() => {
    const handler = setTimeout(() => {
      setDebouncedValue(value);
    }, delay);
    return () => {
      clearTimeout(handler);
    };
  }, [value, delay]);

  return [value, debouncedValue, setValue] as const;
};