react-reuse-hooks/src/hooks/useLocalStorage.js

A collection of 30+ production-ready reusable React hooks for web apps, covering state, effects, media, forms, and utilities.

import { useState, useEffect } from "react";

export function useLocalStorage(key, initialValue) {
  const [storedValue, setStoredValue] = useState(() => {
    try {
      const item = localStorage.getItem(key);
      return item ? JSON.parse(item) : initialValue;
    } catch (err) {
      return initialValue;
    }
  });

  useEffect(() => {
    try {
      localStorage.setItem(key, JSON.stringify(storedValue));
    } catch (err) {
      console.error(err);
    }
  }, [key, storedValue]);

  return [storedValue, setStoredValue];
}