Files
lume/src/app/relays/components/relayEventList.tsx
2023-11-12 15:43:14 +07:00

60 lines
1.8 KiB
TypeScript

import { NDKEvent, NDKKind } from '@nostr-dev-kit/ndk';
import { useQuery } from '@tanstack/react-query';
import { useCallback } from 'react';
import { VList } from 'virtua';
import { useNDK } from '@libs/ndk/provider';
import { LoaderIcon } from '@shared/icons';
import { MemoizedRepost, MemoizedTextNote, UnknownNote } from '@shared/notes';
export function RelayEventList({ relayUrl }: { relayUrl: string }) {
const { fetcher } = useNDK();
const { status, data } = useQuery({
queryKey: ['relay-events', relayUrl],
queryFn: async () => {
const url = 'wss://' + relayUrl;
const events = await fetcher.fetchLatestEvents(
[url],
{
kinds: [NDKKind.Text, NDKKind.Repost],
},
20
);
return events as unknown as NDKEvent[];
},
refetchOnWindowFocus: false,
});
const renderItem = useCallback(
(event: NDKEvent) => {
switch (event.kind) {
case NDKKind.Text:
return <MemoizedTextNote key={event.id} event={event} />;
case NDKKind.Repost:
return <MemoizedRepost key={event.id} event={event} />;
default:
return <UnknownNote key={event.id} event={event} />;
}
},
[data]
);
return (
<div className="h-full">
<VList className="mx-auto w-full max-w-[500px] scrollbar-none">
{status === 'pending' ? (
<div className="flex h-full w-full items-center justify-center">
<div className="inline-flex flex-col items-center justify-center gap-2">
<LoaderIcon className="h-5 w-5 animate-spin text-white" />
<p className="text-sm font-medium text-white/80">Loading newsfeed...</p>
</div>
</div>
) : (
data.map((item) => renderItem(item))
)}
</VList>
</div>
);
}