45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
import { Map as ImmutableMap } from 'immutable';
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import * as React from 'react';
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import { FormattedMessage } from 'react-intl';
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import { useDispatch } from 'react-redux';
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import { fetchTrends } from 'soapbox/actions/trends';
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import Hashtag from 'soapbox/components/hashtag';
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import { Widget } from 'soapbox/components/ui';
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import { useAppSelector } from 'soapbox/hooks';
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interface ITrendsPanel {
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limit: number
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}
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const TrendsPanel = ({ limit }: ITrendsPanel) => {
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const dispatch = useDispatch();
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const trends: any = useAppSelector((state) => state.trends.get('items'));
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const sortedTrends = React.useMemo(() => {
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return trends.sort((a: ImmutableMap<string, any>, b: ImmutableMap<string, any>) => {
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const num_a = Number(a.getIn(['history', 0, 'accounts']));
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const num_b = Number(b.getIn(['history', 0, 'accounts']));
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return num_b - num_a;
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}).slice(0, limit);
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}, [trends, limit]);
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React.useEffect(() => {
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dispatch(fetchTrends());
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}, []);
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if (sortedTrends.isEmpty()) {
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return null;
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}
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return (
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<Widget title={<FormattedMessage id='trends.title' defaultMessage='Trends' />}>
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{sortedTrends.map((hashtag: ImmutableMap<string, any>) => (
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<Hashtag key={hashtag.get('name')} hashtag={hashtag} />
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))}
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</Widget>
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);
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};
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export default TrendsPanel;
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