mirror of
https://github.com/DeNNiiInc/dbgate.git
synced 2026-04-21 12:56:00 +00:00
37 lines
1.2 KiB
JavaScript
37 lines
1.2 KiB
JavaScript
import React from 'react';
|
|
|
|
export default function useStorage(key, storageObject, initialValue) {
|
|
// State to store our value
|
|
// Pass initial state function to useState so logic is only executed once
|
|
const [storedValue, setStoredValue] = React.useState(() => {
|
|
try {
|
|
// Get from local storage by key
|
|
const item = storageObject.getItem(key);
|
|
// Parse stored json or if none return initialValue
|
|
return item ? JSON.parse(item) : initialValue;
|
|
} catch (error) {
|
|
// If error also return initialValue
|
|
console.log(error);
|
|
return initialValue;
|
|
}
|
|
});
|
|
|
|
// Return a wrapped version of useState's setter function that ...
|
|
// ... persists the new value to localStorage.
|
|
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;
|
|
// Save state
|
|
setStoredValue(valueToStore);
|
|
// Save to local storage
|
|
storageObject.setItem(key, JSON.stringify(valueToStore));
|
|
} catch (error) {
|
|
// A more advanced implementation would handle the error case
|
|
console.log(error);
|
|
}
|
|
};
|
|
|
|
return [storedValue, setValue];
|
|
}
|