import { useEffect } from 'react' ; import Layout from './Layout' ; import { hot } from 'react-hot-loader/root' ; import { Route , Routes } from 'react-router' ; import { useLocation } from 'react-router-dom' ; import { SignalRApi } from './api/signalr.service' ; import { Routes as routes , TRANSITION_DEFAULT } from './config' ; import { CSSTransition , SwitchTransition } from 'react-transition-group' ; import type { FunctionComponent } from 'react' ; const App = ( ) => { useEffect ( ( ) => { setTimeout ( async ( ) => { await SignalRApi . startConnection ( ) ; } , 250 ) ; } , [ ] ) ; const location = useLocation ( ) ; const cssKey = location . pathname ?. split ( '/' ) [ 1 ] || '/' ; const curRoute = routes . find ( ( x ) => ( x . path === cssKey ) || ( x . name . toLowerCase ( ) === cssKey . toLowerCase ( ) ) ) ; const { timeout , classNames } = curRoute ?. transition ?? TRANSITION_DEFAULT ; return ( < Layout > < SwitchTransition mode = "out-in" > < CSSTransition key = { cssKey } timeout = { timeout } classNames = { classNames } > < Routes location = { location } > { routes . map ( ( { path , Component } ) => ( < Route key = { path } path = { path } element = { < Component / > } / > ) ) } < /Routes> < /CSSTransition> < /SwitchTransition> < /Layout>); } ; export default hot ( App ) ;