Hook: useLocalStorage

 avatar
shin98
javascript
7 months ago
876 B
2
Indexable
Never
// Use Local Storage Custom Hook
import { useState } from 'react';

function useLocalStorage(key, initialValue) {
  const [storedValue, setStoredValue] = useState(() => {
    if (typeof window === 'undefined') {
      return initialValue;
    }
    try {
      const item = window.localStorage.getItem(key);
      return item ? JSON.parse(item) : initialValue;
    } catch (error) {
      console.log(error);
      return initialValue;
    }
  });
  const setValue = (value) => {
    try {
      const valueToStore =
        value instanceof Function ? value(storedValue) : value;
      setStoredValue(valueToStore);
      if (typeof window !== 'undefined') {
        window.localStorage.setItem(key, JSON.stringify(valueToStore));
      }
    } catch (error) {
      console.log(error);
    }
  };
  return [storedValue, setValue] as const;
}

export default useLocalStorage;
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