ontime/client/src/app/hooks/useLocalStorage.js

import { useState } from 'react';

// Roughly from useHooks - useLocalStorage

export const useLocalStorage = (key, initialValue) => {
  const [storedValue, setStoredValue] = useState(() => {
    try {
      const item = window.localStorage.getItem(`ontime-${key}`);
      return item ? JSON.parse(item) : initialValue;
    } catch (error) {
      return initialValue;
    }
  });

  const setValue = (value) => {
    try {
      // Allow value to be a function so we have same API as useState
      const valueToStore =
        value instanceof Function ? value(storedValue) : value;

      setStoredValue(valueToStore);
      window.localStorage.setItem(`ontime-${key}`, JSON.stringify(valueToStore));
    } catch (error) {
      console.log(error);
    }
  };
  return [storedValue, setValue];
}