LeaderBoard pseudo code

gistfile1.txt

type LeaderBoardProps = {
	name: string;
	id: string;
    LeaderBoardComp?: ReactNode
};

type ListItem = {
	id: number;
	name: string;
	score: number;
	handle: string;
	rank: number;
	imgUrl: string;
};

const sdk = {
	getTopScores: async (leaderboardId: string): Promise<ListItem[]> => {
		return [
			{
				id: 1,
				name: "Alice",
				score: 1500,
				handle: "alice123",
				rank: 1,
				imgUrl: "https://example.com/alice.jpg",
			},
			{
				id: 2,
				name: "Bob",
				score: 1200,
				handle: "bob456",
				rank: 2,
				imgUrl: "https://example.com/bob.jpg",
			},
			{
				id: 3,
				name: "Charlie",
				score: 1000,
				handle: "charlie789",
				rank: 3,
				imgUrl: "https://example.com/charlie.jpg",
			},
		];
	},
};

const ListItemComponent = ({ name, score, handle, rank, imgUrl }: ListItem) => {
	return (
		<div className="list-item">
			<span className="rank">{rank}</span>
			<img src={imgUrl} alt={`${name}'s avatar`} className="avatar" />
			<div className="info">
				<span className="name">{name}</span>
				<span className="handle">@{handle}</span>
			</div>
			<span className="score">{score}</span>
		</div>
	);
};

const LeaderBoard = ({  id }: LeaderBoardProps) => {
	const {
        data,
        isError,
        error,
        isLoading: isPending,

    } = useLeaderBoard(id );

	if (isPending  || data === null) return <div>Loading...</div>;

    if (isError) return <div>Error: {error?.message}</div>;

    if( data && !data.length  ) return <div>No data available</div>;

	return (
		<LeaderBoardUI data={data} />
	);
};

const LeaderBoardUI = ({data}: {
    data: ListItem[],
}) => {

   return <div className="leaderboard">
			<h2 className="leaderboard-title">{name}</h2>
			<ul aria-label={`${name} Leaderboard`} className="leaderboard-list">
				{data.map((item) => (
					<li key={item.id} className="leaderboard-list-item">
						<ListItemComponent {...item} />
					</li>
				))}
			</ul>
		</div>
}



args:
leaderBoardID,
leaderBoardName,

return
ListItem[]

type UseLeaderBoardProps = {
    leaderBoardID: string;
};

type ReturnType = {
    data: ListItem[] | null;
    isError: boolean;
    error: Error | null;
    isLoading: boolean;
}

/**
 * 
 * @param param leaderBoardID
 * @returns ReturnType
 */
const useLeaderBoard = ( leaderBoardID : string) : ReturnType  => {
    const [data, setData] = useState<ListItem[]| null>(null);
    const [error, setError] = useState<Error | null>(null);
    const [isError, setIsError] = useState<boolean>(false);
	const [isPending, startTransition] = useTransition();

	useEffect(() => {
		const fetchData = async () => {
			startTransition(async () => {
				try {
					const result = await sdk.getTopScores(leaderBoardID) ?? [];
					setData(result);
				} catch (error) {
                    setError(error as Error);
                    setIsError(true);
                    setData([])
				}
			});
		};
		void fetchData();
	}, [leaderBoardID]);


    return{
        data,
        isError,
        error,
        isLoading: isPending,
    }


}