86 lines
2.6 KiB
TypeScript
86 lines
2.6 KiB
TypeScript
import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
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import { useVirtualizer } from '@tanstack/react-virtual';
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import { useRef } from 'react';
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import { useNDK } from '@libs/ndk/provider';
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import { NoteKind_1, NoteSkeleton } from '@shared/notes';
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import { nHoursAgo } from '@utils/date';
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import { LumeEvent } from '@utils/types';
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export function UserFeed({ pubkey }: { pubkey: string }) {
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const parentRef = useRef();
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const { fetcher, relayUrls } = useNDK();
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const { status, data } = useQuery(['user-feed', pubkey], async () => {
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const events = await fetcher.fetchAllEvents(
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relayUrls,
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{ kinds: [1], authors: [pubkey] },
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{ since: nHoursAgo(48) },
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{ sort: true }
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);
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return events as unknown as LumeEvent[];
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});
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const rowVirtualizer = useVirtualizer({
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count: data ? data.length : 0,
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getScrollElement: () => parentRef.current,
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estimateSize: () => 400,
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});
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const itemsVirtualizer = rowVirtualizer.getVirtualItems();
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return (
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<div
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ref={parentRef}
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className="scrollbar-hide flex h-full w-full flex-col justify-between gap-1.5 overflow-y-auto pb-20 pt-1.5"
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style={{ contain: 'strict' }}
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>
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{status === 'loading' ? (
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<div className="px-3 py-1.5">
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<div className="shadow-input rounded-md bg-zinc-900 px-3 py-3 shadow-black/20">
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<NoteSkeleton />
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</div>
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</div>
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) : itemsVirtualizer.length === 0 ? (
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<div className="px-3 py-1.5">
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<div className="rounded-xl border-t border-zinc-800/50 bg-zinc-900 px-3 py-6">
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<div className="flex flex-col items-center gap-4">
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<p className="text-center text-sm text-zinc-300">
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No new posts about this hashtag in 48 hours ago
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</p>
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</div>
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</div>
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</div>
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) : (
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<div
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className="relative w-full"
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style={{
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height: `${rowVirtualizer.getTotalSize()}px`,
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}}
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>
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<div
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className="absolute left-0 top-0 w-full"
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style={{
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transform: `translateY(${
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itemsVirtualizer[0].start - rowVirtualizer.options.scrollMargin
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}px)`,
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}}
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>
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{itemsVirtualizer.map((virtualRow) => (
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<div
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key={virtualRow.key}
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data-index={virtualRow.index}
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ref={rowVirtualizer.measureElement}
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>
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<NoteKind_1 event={data[virtualRow.index]} />
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</div>
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))}
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</div>
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</div>
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)}
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</div>
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);
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}
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