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25 lines
686 B
TypeScript
25 lines
686 B
TypeScript
import { Dispatch, SetStateAction, useEffect, useState } from 'react';
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export function usePersistedState<S = undefined>(
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key: string,
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defaultValue: S,
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): [S | undefined, Dispatch<SetStateAction<S | undefined>>] {
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const [state, setState] = useState(() => {
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try {
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const item = localStorage.getItem(key);
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return JSON.parse(item || String(defaultValue));
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} catch (e) {
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console.warn('Failed to retrieve persisted value from store.', e);
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return defaultValue;
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}
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});
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useEffect(() => {
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localStorage.setItem(key, JSON.stringify(state));
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}, [key, state]);
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return [state, setState];
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}
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