mirror of
https://github.com/SomboChea/ui
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39 lines
1.3 KiB
TypeScript
39 lines
1.3 KiB
TypeScript
import { useState } from 'react';
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// based on https://usehooks.com/useLocalStorage/
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const useLocalStorage = <V>(key: string, initialValue: V) => {
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// State to store our value
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// Pass initial state function to useState so logic is only executed once
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const [storedValue, setStoredValue] = useState(() => {
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try {
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// Get from local storage by key
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const item = window.localStorage.getItem(key);
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// Parse stored json or if none return initialValue
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return item ? JSON.parse(item) : initialValue;
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} catch (error) {
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// If error also return initialValue
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console.error('An error occurred getting a sessionStorage key', error);
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return initialValue;
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}
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});
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// Return a wrapped version of useState's setter function that ...
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// ... persists the new value to localStorage.
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const setValue = (value: V) => {
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try {
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// Allow value to be a function so we have same API as useState
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const valueToStore = value instanceof Function ? value(storedValue) : value;
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// Save state
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setStoredValue(valueToStore);
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// Save to local storage
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window.localStorage.setItem(key, JSON.stringify(valueToStore));
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} catch (error) {
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console.error('An error occurred writing to sessionStorage', error);
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}
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};
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return [storedValue, setValue];
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};
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export default useLocalStorage;
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