16 lines
457 B
TypeScript
16 lines
457 B
TypeScript
import { useEffect, useState } from "react";
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export function usePersistentState<T>(key: string, defaultValue: T) {
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const [value, setValue] = useState(() => {
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const value = window.localStorage.getItem(key);
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if (value === "undefined") return defaultValue;
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return value ? JSON.parse(value) : defaultValue;
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});
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useEffect(() => {
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window.localStorage.setItem(key, JSON.stringify(value));
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}, [key, value]);
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return [value, setValue];
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}
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