93 lines
3.0 KiB
TypeScript
93 lines
3.0 KiB
TypeScript
import { useArk } from "@lume/ark";
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import { ArrowRightCircleIcon, LoaderIcon, SearchIcon } from "@lume/icons";
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import { Event, Kind } from "@lume/types";
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import { EmptyFeed } from "@lume/ui";
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import { FETCH_LIMIT } from "@lume/utils";
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import { useInfiniteQuery } from "@tanstack/react-query";
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import { createLazyFileRoute } from "@tanstack/react-router";
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import { Virtualizer } from "virtua";
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import { TextNote } from "./-components/text";
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import { RepostNote } from "./-components/repost";
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export const Route = createLazyFileRoute("/app/home/global")({
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component: GlobalTimeline,
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});
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function GlobalTimeline() {
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const ark = useArk();
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const { data, hasNextPage, isLoading, isFetchingNextPage, fetchNextPage } =
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useInfiniteQuery({
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queryKey: ["events", "global"],
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initialPageParam: 0,
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queryFn: async ({ pageParam }: { pageParam: number }) => {
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const events = await ark.get_events(
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"global",
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FETCH_LIMIT,
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pageParam,
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true,
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);
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return events;
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},
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getNextPageParam: (lastPage) => {
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const lastEvent = lastPage.at(-1);
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if (!lastEvent) return;
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return lastEvent.created_at - 1;
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},
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select: (data) => data?.pages.flatMap((page) => page),
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refetchOnWindowFocus: false,
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});
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const renderItem = (event: Event) => {
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switch (event.kind) {
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case Kind.Repost:
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return <RepostNote key={event.id} event={event} />;
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default:
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return <TextNote key={event.id} event={event} />;
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}
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};
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return (
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<div>
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{isLoading ? (
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<div className="flex h-20 w-full items-center justify-center">
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<LoaderIcon className="size-5 animate-spin" />
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</div>
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) : !data.length ? (
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<div className="flex flex-col gap-3">
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<EmptyFeed />
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<a
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href="/suggest"
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className="inline-flex h-9 w-full items-center justify-center gap-2 rounded-lg bg-blue-500 text-sm font-medium text-white hover:bg-blue-600"
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>
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<SearchIcon className="size-5" />
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Find accounts to follow
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</a>
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</div>
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) : (
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<Virtualizer overscan={3}>
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{data.map((item) => renderItem(item))}
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</Virtualizer>
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)}
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<div className="flex h-20 items-center justify-center">
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{hasNextPage ? (
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<button
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type="button"
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onClick={() => fetchNextPage()}
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disabled={!hasNextPage || isFetchingNextPage}
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className="inline-flex h-12 w-36 items-center justify-center gap-2 rounded-full bg-neutral-100 px-3 font-medium hover:bg-neutral-200 focus:outline-none dark:bg-neutral-900 dark:hover:bg-neutral-800"
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>
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{isFetchingNextPage ? (
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<LoaderIcon className="size-5 animate-spin" />
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) : (
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<>
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<ArrowRightCircleIcon className="size-5" />
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Load more
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</>
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)}
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</button>
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) : null}
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</div>
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</div>
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);
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}
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