25 lines
869 B
TypeScript
25 lines
869 B
TypeScript
// Copyright 2017-2021 @polkadot/app-democracy authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import { useEffect, useState } from 'react';
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import { useAccounts, useApi, useCall, useIsMountedRef } from '@polkadot/react-hooks';
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export default function useCounter (): number {
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const { hasAccounts } = useAccounts();
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const { api, isApiReady } = useApi();
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const mountedRef = useIsMountedRef();
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const proposals = useCall<unknown[]>(isApiReady && hasAccounts && api.derive.democracy?.proposals);
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const referenda = useCall<unknown[]>(isApiReady && hasAccounts && api.derive.democracy?.referendumsActive);
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const [counter, setCounter] = useState(0);
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useEffect((): void => {
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mountedRef.current && setCounter(
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(proposals?.length || 0) +
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(referenda?.length || 0)
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);
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}, [mountedRef, proposals, referenda]);
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return counter;
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}
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