ghost-portal/packages/app-treasury/src/useCounter.ts
2020-01-06 16:16:50 +01:00

21 lines
740 B
TypeScript

// Copyright 2017-2020 @polkadot/app-democracy 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 { DerivedTreasuryProposals } from '@polkadot/api-derive/types';
import { useState, useEffect } from 'react';
import { useApi, useCall } from '@polkadot/react-hooks';
export default function useCounter (): number {
const { api, isApiReady } = useApi();
const proposals = useCall<DerivedTreasuryProposals>(isApiReady ? api.derive.treasury.proposals : undefined, []);
const [counter, setCounter] = useState(0);
useEffect((): void => {
setCounter(proposals?.proposals.length || 0);
}, [proposals]);
return counter;
}