ghost-portal/packages/app-tech-comm/src/useCounter.ts
Luke Schoen d94241f624 fix: Fixes #1986 proposals of undefined (#1987)
* fix: Fixes #1986 proposals of undefined

* fix: Prevent undefined proposals in packages/app-council/src/useCounter.ts

Co-Authored-By: Jaco Greeff <jacogr@gmail.com>

* fix: Revert change since api.derive.democracy is always defined
2019-12-03 11:52:24 +01:00

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741 B
TypeScript

// Copyright 2017-2019 @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 { Hash } from '@polkadot/types/interfaces';
import { useState, useEffect } from 'react';
import { useApi, trackStream } from '@polkadot/react-hooks';
export default function useCounter (): number {
const { api, isApiReady } = useApi();
const proposals = trackStream<Hash[]>(isApiReady ? api.query.technicalCommittee && api.query.technicalCommittee.proposals : undefined, []);
const [counter, setCounter] = useState(0);
useEffect((): void => {
setCounter(proposals?.length || 0);
}, [proposals]);
return counter;
}