ghost-portal/packages/page-treasury/src/useCounter.ts
2020-05-16 10:45:54 +02:00

22 lines
814 B
TypeScript

// Copyright 2017-2020 @polkadot/app-treasury authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { DeriveTreasuryProposals } from '@polkadot/api-derive/types';
import { useState, useEffect } from 'react';
import { useAccounts, useApi, useCall } from '@polkadot/react-hooks';
export default function useCounter (): number {
const { hasAccounts } = useAccounts();
const { api, isApiReady } = useApi();
const proposals = useCall<DeriveTreasuryProposals>(isApiReady && hasAccounts && api.derive.treasury?.proposals, []);
const [counter, setCounter] = useState(0);
useEffect((): void => {
setCounter(proposals?.proposals.length || 0);
}, [proposals?.proposals.length]);
return counter;
}