// Copyright 2017-2026 @pezkuwi/react-hooks authors & contributors // SPDX-License-Identifier: Apache-2.0 import { useCallback, useMemo } from 'react'; import store from 'store'; import { useApi } from './useApi.js'; // create a chain-specific key for the local cache // FIXME Since we use generics, this cannot be a createNamedHook as of yet export function useCacheKey (storageKeyBase: string): [(defaultValue?: T) => T | undefined, (value: T) => T] { const { api, isDevelopment } = useApi(); const storageKey = useMemo( () => `${storageKeyBase}:${isDevelopment ? 'development' : api.genesisHash.toHex()}`, [api, isDevelopment, storageKeyBase] ); // FIXME both these want "T"... incorrect const getter = useCallback( (): T | undefined => store.get(storageKey) as T, [storageKey] ); const setter = useCallback( (value: T): T => store.set(storageKey, value) as T, [storageKey] ); return [getter, setter]; }