Files
lume/packages/ui/src/replyList.tsx
2024-01-18 07:37:40 +07:00

81 lines
2.0 KiB
TypeScript

import { Reply, useArk } from "@lume/ark";
import { LoaderIcon } from "@lume/icons";
import { NDKEventWithReplies } from "@lume/types";
import { cn } from "@lume/utils";
import { NDKKind, type NDKSubscription } from "@nostr-dev-kit/ndk";
import { useEffect, useState } from "react";
import { ReplyForm } from "./editor/replyForm";
export function ReplyList({
eventId,
className,
}: { eventId: string; className?: string }) {
const ark = useArk();
const [data, setData] = useState<null | NDKEventWithReplies[]>(null);
useEffect(() => {
let sub: NDKSubscription = undefined;
let isCancelled = false;
async function fetchRepliesAndSub() {
const id = ark.getCleanEventId(eventId);
const events = await ark.getThreads(id);
if (!isCancelled) {
setData(events);
}
if (!sub) {
sub = ark.subscribe({
filter: {
"#e": [id],
kinds: [NDKKind.Text],
since: Math.floor(Date.now() / 1000),
},
closeOnEose: false,
cb: (event: NDKEventWithReplies) =>
setData((prev) => [event, ...prev]),
});
}
}
// subscribe for new replies
fetchRepliesAndSub();
return () => {
isCancelled = true;
if (sub) sub.stop();
};
}, [eventId]);
return (
<div
className={cn(
"flex flex-col divide-y divide-neutral-100 dark:divide-neutral-900",
className,
)}
>
<ReplyForm
eventId={eventId}
className="py-4 border-t border-neutral-100 dark:border-neutral-900"
/>
{!data ? (
<div className="mt-4 flex h-16 items-center justify-center p-3">
<LoaderIcon className="h-5 w-5 animate-spin" />
</div>
) : data.length === 0 ? (
<div className="mt-4 flex w-full items-center justify-center">
<div className="flex flex-col items-center justify-center gap-2 py-6">
<h3 className="text-3xl">👋</h3>
<p className="leading-none text-neutral-600 dark:text-neutral-400">
Be the first to Reply!
</p>
</div>
</div>
) : (
data.map((event) => <Reply key={event.id} event={event} />)
)}
</div>
);
}