39 lines
1.2 KiB
TypeScript
39 lines
1.2 KiB
TypeScript
// Copyright 2017-2022 @polkadot/app-democracy authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { AccountId } from '@polkadot/types/interfaces';
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import type { CollectiveType } from './types';
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import { useMemo } from 'react';
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import { createNamedHook } from './createNamedHook';
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import { useAccounts } from './useAccounts';
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import { useApi } from './useApi';
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import { useCall } from './useCall';
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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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const transformMembers = {
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transform: (accounts: AccountId[]) =>
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accounts.map((accountId) => accountId.toString())
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};
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function useCollectiveMembersImpl (collective: CollectiveType): Result {
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const { api } = useApi();
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const { allAccounts, hasAccounts } = useAccounts();
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const retrieved = useCall<string[]>(hasAccounts && api.derive[collective]?.members, undefined, transformMembers);
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return useMemo(
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() => ({
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isMember: (retrieved || []).some((accountId) => allAccounts.includes(accountId)),
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members: (retrieved || [])
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}),
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[allAccounts, retrieved]
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);
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}
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export const useCollectiveMembers = createNamedHook('useCollectiveMembers', useCollectiveMembersImpl);
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