34 lines
987 B
TypeScript
34 lines
987 B
TypeScript
// Copyright 2017-2026 @polkadot/app-referenda authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { u32 } from '@polkadot/types';
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import type { PalletReferenda, ReferendaGroup, Summary } from './types.js';
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import { useMemo } from 'react';
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import { createNamedHook, useApi, useCall } from '@polkadot/react-hooks';
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function calcActive (grouped: ReferendaGroup[] = []): number {
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return grouped.reduce((total, { referenda = [] }) =>
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total + referenda.filter((r) =>
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r.info?.isOngoing
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).length,
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0);
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}
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function useSummaryImpl (palletReferenda: PalletReferenda, grouped?: ReferendaGroup[] | undefined): Summary {
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const { api } = useApi();
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const refCount = useCall<u32>(api.query[palletReferenda].referendumCount);
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const refActive = useMemo(
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() => calcActive(grouped),
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[grouped]
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);
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return useMemo(
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() => ({ refActive, refCount }),
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[refActive, refCount]
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);
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}
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export default createNamedHook('useSummary', useSummaryImpl);
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