feat: add trending notes column

packages/lume-column-trending-notes/src/home.tsx

@@ -0,0 +1,71 @@
+import { TextNote, useArk } from "@lume/ark";
+import { LoaderIcon } from "@lume/icons";
+import { type NDKEvent, type NostrEvent } from "@nostr-dev-kit/ndk";
+import { useQuery } from "@tanstack/react-query";
+import { fetch } from "@tauri-apps/plugin-http";
+import { useEffect, useMemo, useRef } from "react";
+import { CacheSnapshot, VList, VListHandle } from "virtua";
+
+export function HomeRoute({ colKey }: { colKey: string }) {
+	const ark = useArk();
+	const ref = useRef<VListHandle>();
+	const cacheKey = `${colKey}-vlist`;
+
+	const [offset, cache] = useMemo(() => {
+		const serialized = sessionStorage.getItem(cacheKey);
+		if (!serialized) return [];
+		return JSON.parse(serialized) as [number, CacheSnapshot];
+	}, []);
+
+	const { data, isLoading } = useQuery({
+		queryKey: [colKey],
+		queryFn: async ({ signal }: { signal: AbortSignal }) => {
+			const res = await fetch("https://api.nostr.band/v0/trending/notes", {
+				signal,
+			});
+
+			if (!res) throw new Error("Failed to fetch trending notes");
+
+			const data = await res.json();
+			const events = data.notes.map((item: { event: NostrEvent }) =>
+				ark.getNDKEvent(item.event),
+			);
+
+			return events as NDKEvent[];
+		},
+		refetchOnMount: false,
+		refetchOnWindowFocus: false,
+	});
+
+	useEffect(() => {
+		if (!ref.current) return;
+		const handle = ref.current;
+
+		if (offset) {
+			handle.scrollTo(offset);
+		}
+
+		return () => {
+			sessionStorage.setItem(
+				cacheKey,
+				JSON.stringify([handle.scrollOffset, handle.cache]),
+			);
+		};
+	}, []);
+
+	return (
+		<div className="w-full h-full">
+			<VList ref={ref} cache={cache} overscan={2} className="flex-1 px-3">
+				{isLoading ? (
+					<div className="w-full flex h-16 items-center justify-center gap-2 px-3 py-1.5">
+						<LoaderIcon className="size-5 animate-spin" />
+					</div>
+				) : (
+					data.map((item) => (
+						<TextNote key={item.id} event={item} className="mt-3" />
+					))
+				)}
+			</VList>
+		</div>
+	);
+}

packages/lume-column-trending-notes/src/index.tsx

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+import { Column } from "@lume/ark";
+import { IColumn } from "@lume/types";
+import { EventRoute, UserRoute } from "@lume/ui";
+import { HomeRoute } from "./home";
+
+export function TrendingNotes({ column }: { column: IColumn }) {
+	const colKey = `trending-notes-${column.id}`;
+
+	return (
+		<Column.Root>
+			<Column.Header
+				id={column.id}
+				queryKey={[colKey]}
+				title="Trending Notes"
+			/>
+			<Column.Content>
+				<Column.Route path="/" element={<HomeRoute colKey={colKey} />} />
+				<Column.Route path="/events/:id" element={<EventRoute />} />
+				<Column.Route path="/users/:id" element={<UserRoute />} />
+			</Column.Content>
+		</Column.Root>
+	);
+}