wip: refactor
This commit is contained in:
Ren Amamiya
@@ -1,92 +1,112 @@
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import { NDKEvent } from '@nostr-dev-kit/ndk';
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import { useInfiniteQuery } from '@tanstack/react-query';
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import { useVirtualizer } from '@tanstack/react-virtual';
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import { useCallback, useEffect, useRef } from 'react';
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import { useCallback, useMemo, useRef } from 'react';
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import { useStorage } from '@libs/storage/provider';
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import { ArrowRightCircleIcon, LoaderIcon } from '@shared/icons';
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import { NoteKind_1, NoteKind_1063, NoteThread, Repost } from '@shared/notes';
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import { NoteKindUnsupport } from '@shared/notes/kinds/unsupport';
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import { NoteSkeleton } from '@shared/notes/skeleton';
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import { TitleBar } from '@shared/titleBar';
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import { LumeEvent, Widget } from '@utils/types';
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import { DBEvent, Widget } from '@utils/types';
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export function FeedBlock({ params }: { params: Widget }) {
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const { status, data, fetchNextPage, hasNextPage, isFetchingNextPage } =
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export function FeedWidget({ params }: { params: Widget }) {
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const { db } = useStorage();
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const { status, data, hasNextPage, isFetchingNextPage, fetchNextPage } =
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useInfiniteQuery({
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queryKey: ['newsfeed', params.content],
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queryFn: async () => {
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return { data: [], nextCursor: 0 };
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queryFn: async ({ pageParam = 0 }) => {
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const authors = JSON.parse(params.content);
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return await db.getAllEventsByAuthors(authors, 20, pageParam);
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},
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getNextPageParam: (lastPage) => lastPage.nextCursor,
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});
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const notes = data ? data.pages.flatMap((d: { data: LumeEvent[] }) => d.data) : [];
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const parentRef = useRef();
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const rowVirtualizer = useVirtualizer({
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count: hasNextPage ? notes.length + 1 : notes.length,
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const dbEvents = useMemo(
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() => (data ? data.pages.flatMap((d: { data: DBEvent[] }) => d.data) : []),
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[data]
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);
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const parentRef = useRef<HTMLDivElement>();
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const virtualizer = useVirtualizer({
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count: hasNextPage ? dbEvents.length : dbEvents.length,
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getScrollElement: () => parentRef.current,
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estimateSize: () => 500,
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overscan: 2,
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estimateSize: () => 650,
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overscan: 4,
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});
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const items = virtualizer.getVirtualItems();
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const itemsVirtualizer = rowVirtualizer.getVirtualItems();
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const totalSize = rowVirtualizer.getTotalSize();
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useEffect(() => {
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const [lastItem] = [...rowVirtualizer.getVirtualItems()].reverse();
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if (!lastItem) {
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return;
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}
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if (lastItem.index >= notes.length - 1 && hasNextPage && !isFetchingNextPage) {
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fetchNextPage();
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}
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}, [notes.length, fetchNextPage, rowVirtualizer.getVirtualItems()]);
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// render event match event kind
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const renderItem = useCallback(
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(index: string | number) => {
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const note: LumeEvent = notes[index];
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if (!note) return;
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switch (note.kind) {
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const dbEvent: DBEvent = dbEvents[index];
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if (!dbEvent) return;
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const event: NDKEvent = JSON.parse(dbEvent.event as string);
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switch (event.kind) {
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case 1: {
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const root = note.tags.find((el) => el[3] === 'root')?.[1];
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const reply = note.tags.find((el) => el[3] === 'reply')?.[1];
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if (root || reply) {
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if (dbEvent.root_id || dbEvent.reply_id) {
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return (
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<div key={note.id} data-index={index} ref={rowVirtualizer.measureElement}>
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<NoteThread event={note} root={root} reply={reply} />
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<div
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key={(dbEvent.root_id || dbEvent.reply_id) + dbEvent.id + index}
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data-index={index}
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ref={virtualizer.measureElement}
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>
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<NoteThread
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event={event}
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root={dbEvent.root_id}
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reply={dbEvent.reply_id}
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/>
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</div>
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);
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} else {
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return (
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<div key={note.id} data-index={index} ref={rowVirtualizer.measureElement}>
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<NoteKind_1 event={note} skipMetadata={false} />
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<div
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key={dbEvent.id + index}
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data-index={index}
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ref={virtualizer.measureElement}
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>
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<NoteKind_1 event={event} skipMetadata={false} />
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</div>
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);
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}
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}
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case 6:
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return (
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<div key={note.id} data-index={index} ref={rowVirtualizer.measureElement}>
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<Repost key={note.id} event={note} />
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<div
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key={dbEvent.id + index}
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data-index={index}
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ref={virtualizer.measureElement}
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>
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<Repost key={dbEvent.id} event={event} />
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</div>
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);
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case 1063:
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return (
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<div key={note.id} data-index={index} ref={rowVirtualizer.measureElement}>
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<NoteKind_1063 key={note.id} event={note} />
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<div
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key={dbEvent.id + index}
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data-index={index}
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ref={virtualizer.measureElement}
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>
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<NoteKind_1063 key={dbEvent.id} event={event} />
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</div>
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);
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default:
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return (
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<div key={note.id} data-index={index} ref={rowVirtualizer.measureElement}>
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<NoteKindUnsupport key={note.id} event={note} />
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<div
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key={dbEvent.id + index}
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data-index={index}
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ref={virtualizer.measureElement}
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>
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<NoteKindUnsupport key={dbEvent.id} event={event} />
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</div>
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);
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}
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},
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[notes]
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[dbEvents]
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);
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return (
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@@ -99,32 +119,31 @@ export function FeedBlock({ params }: { params: Widget }) {
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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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) : items.length === 0 ? (
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<div className="px-3 py-1.5">
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<div className="bbg-white/10 rounded-xl 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-white">
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Not found any posts from last 48 hours
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Not found any postrs from last 48 hours
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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: `${totalSize}px`,
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position: 'relative',
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width: '100%',
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height: `${virtualizer.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(${
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itemsVirtualizer[0].start - rowVirtualizer.options.scrollMargin
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}px)`,
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transform: `translateY(${items[0].start}px)`,
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}}
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>
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{itemsVirtualizer.map((virtualRow) => renderItem(virtualRow.index))}
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{items.map((item) => renderItem(item.index))}
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</div>
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</div>
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)}
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@@ -135,6 +154,33 @@ export function FeedBlock({ params }: { params: Widget }) {
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</div>
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</div>
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)}
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<div className="px-3 py-1.5">
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<button
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onClick={() => fetchNextPage()}
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disabled={!hasNextPage || isFetchingNextPage}
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className="inline-flex h-11 w-full items-center justify-between gap-2 rounded-lg bg-fuchsia-500 px-6 font-medium leading-none text-white hover:bg-fuchsia-600 focus:outline-none"
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>
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{isFetchingNextPage ? (
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<>
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<span className="w-5" />
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<span>Loading...</span>
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<LoaderIcon className="h-5 w-5 animate-spin text-white" />
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</>
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) : hasNextPage ? (
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<>
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<span className="w-5" />
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<span>Load more</span>
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<ArrowRightCircleIcon className="h-5 w-5" />
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</>
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) : (
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<>
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<span className="w-5" />
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<span>Nothing more to load</span>
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<ArrowRightCircleIcon className="h-5 w-5" />
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</>
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)}
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</button>
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</div>
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</div>
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</div>
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);
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