import { useEffect , useState } from 'react' ; import type { HTMLAttributes } from 'react' ; import { getScores } from '../data' ; import { useStore } from '../store' ; import type { SavedScore } from '../data' ; export function LeaderBoard ( ) { const [ scores , setScores ] = useState < SavedScore [ ] > ( [ ] ) ; const [ last , setLast ] = useState ( 0 ) ; const [ leaderboard , set ] = useStore ( ( state ) => [ state . leaderboard , state . set ] ) ; const close = ( ) => set ( ( state ) => ( { ... state , leaderboard : false } ) ) ; useEffect ( ( ) => { if ( ! leaderboard || Date . now ( ) - last < 3000 ) return ; getScores ( 10 ) . then ( setScores ) ; setLast ( Date . now ( ) ) ; } , [ leaderboard ] ) ; return ( < div className = { `leaderboard popup ${ leaderboard ? 'open' : '' }` } > < button className = "popup-close" onClick = { close } > L < /button> < Scores className = "popup-content leaderboard-bottom" scores = { scores } / > < /div>); } const standingToImage = { 1 : 'images/gold.png' , 2 : 'images/silver.png' , 3 : 'images/bronze.png' , } ; interface ScoreProps { name : string ; standing : number ; time : number ; } export const readableTime = ( time ) : string => ( time / 1000 ) . toFixed ( 2 ) ; interface ScoresProps extends HTMLAttributes < HTMLUListElement > { scores : SavedScore [ ] ; } const Score = ( { name , standing , time } ) : JSX . Element => ( < li className = "popup-item" > < span className = "leaderboard-name" > { standing === 1 || standing === 2 || standing === 3 ? ( < > < img src = { standingToImage [ standing ] } width = { 13 } height = { 13 } / > { name } < />) : (`${standing} ${name}`)} < /span> < span className = "popup-item-key" > < span > { readableTime ( time ) } < /span> < /span> < /li>); export const Scores = ( { scores , ... props } ) : JSX . Element => ( < ul { ... props } > { scores . map ( ( score , index ) => ( < Score { ... score } standing = { index + 1 } key = { index } / > ) ) } < /ul>);