44 lines
1.1 KiB
TypeScript
44 lines
1.1 KiB
TypeScript
// Copyright 2017-2022 @polkadot/react-hooks authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { CodeStored } from './types';
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import { useEffect, useState } from 'react';
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import { createNamedHook, useIsMountedRef } from '@polkadot/react-hooks';
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import store from './store';
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interface UseCodes {
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allCodes: CodeStored[];
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codeTrigger: number;
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}
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const DEFAULT_STATE: UseCodes = { allCodes: [], codeTrigger: Date.now() };
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function useCodesImpl (): UseCodes {
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const mountedRef = useIsMountedRef();
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const [state, setState] = useState<UseCodes>(DEFAULT_STATE);
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useEffect(
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(): void => {
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const triggerUpdate = (): void => {
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mountedRef.current && setState({
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allCodes: store.getAllCode(),
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codeTrigger: Date.now()
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});
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};
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store.on('new-code', triggerUpdate);
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store.on('removed-code', triggerUpdate);
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store.loadAll(triggerUpdate);
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},
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// eslint-disable-next-line react-hooks/exhaustive-deps
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[]
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);
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return state;
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}
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export const useCodes = createNamedHook('useCodes', useCodesImpl);
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