40 lines
993 B
TypeScript
40 lines
993 B
TypeScript
// Copyright 2017-2021 @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 { 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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export function useCodes (): 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 &&
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setState({ allCodes: store.getAllCode(), codeTrigger: Date.now() });
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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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