83a2ddedd4
* Add React.emomo to some components * Linting * useCallback for callbacks * Additional useCallback impl.
38 lines
1.3 KiB
TypeScript
38 lines
1.3 KiB
TypeScript
// Copyright 2017-2020 @polkadot/app-democracy authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { AccountId, Balance } from '@polkadot/types/interfaces';
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import { useAccounts, useApi, useCall } from '@polkadot/react-hooks';
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interface Result {
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isMember: boolean;
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members: string[];
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}
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function getResult (allAccounts: string[], members: string[]): Result {
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return {
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isMember: members.some((accountId): boolean => allAccounts.includes(accountId)),
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members
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};
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}
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export default function useMembers (collective: 'council' | 'technicalCommittee'): Result {
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const { api } = useApi();
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const { allAccounts } = useAccounts();
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const { isMember, members } = (
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collective === 'council'
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? useCall<Result>(api.query.electionsPhragmen?.members || api.query.elections.members, [], {
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transform: (accounts: [AccountId, Balance][]): Result =>
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getResult(allAccounts, accounts.map(([accountId]) => accountId.toString()))
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})
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: useCall<Result>(api.query.technicalCommittee.members, [], {
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transform: (accounts: AccountId[]): Result =>
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getResult(allAccounts, accounts.map((accountId) => accountId.toString()))
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})
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) || { isMember: false, members: [] };
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return { isMember, members };
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}
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