79 lines
2.0 KiB
TypeScript
79 lines
2.0 KiB
TypeScript
// Copyright 2017-2022 @polkadot/app-explorer authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { KeyedEvent } from '@polkadot/react-query/types';
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import React, { useMemo } from 'react';
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import { Link } from 'react-router-dom';
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import styled from 'styled-components';
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import { Table } from '@polkadot/react-components';
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import { formatNumber } from '@polkadot/util';
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import Event from './Event';
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import { useTranslation } from './translate';
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interface Props {
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className?: string;
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error?: Error;
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emptyLabel?: React.ReactNode;
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events?: KeyedEvent[] | null;
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eventClassName?: string;
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label?: React.ReactNode;
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}
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function Events ({ className = '', emptyLabel, error, eventClassName, events, label }: Props): React.ReactElement<Props> {
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const { t } = useTranslation();
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const header = useMemo(() => [
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[label || t<string>('recent events'), 'start']
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], [label, t]);
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return (
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<Table
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className={className}
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empty={emptyLabel || t<string>('No events available')}
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header={header}
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>
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{error
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? (
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<tr
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className={eventClassName}
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key='error'
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>
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<td>{error.message}</td>
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</tr>
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)
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: events && events.map(({ blockHash, blockNumber, indexes, key, record }): React.ReactNode => (
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<tr
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className={eventClassName}
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key={key}
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>
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<td className='overflow'>
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<Event value={record} />
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{blockNumber && (
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<div className='event-link'>
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{indexes.length !== 1 && <span>({formatNumber(indexes.length)}x) </span>}
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<Link to={`/explorer/query/${blockHash || ''}`}>{formatNumber(blockNumber)}-{indexes[0]}</Link>
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</div>
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)}
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</td>
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</tr>
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))
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}
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</Table>
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);
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}
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export default React.memo(styled(Events)`
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td.overflow {
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position: relative;
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.event-link {
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position: absolute;
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right: 0.75rem;
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top: 0.5rem;
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}
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}
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`);
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