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index.tsx
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index.tsx
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import { Route, Routes as Switch, Link, useNavigate } from 'react-router-dom'
import {
dynamic,
PreloadLink,
} from '@route-resource-preload/react'
import Hoc from '../components/TimerHoc'
import {
Suspense,
useCallback,
useEffect,
useMemo,
useState
} from 'react'
// const B = dynamic({
// loader: () => import('../components/A'),
// loading: () => <>loading...</>,
// type: 'util',
// // suspense: true,
// submodule: 'B',
// })
const ComponentA = dynamic({
loader: ()=>import('../components/A'),
loading: () => <>loading...</>,
// suspense: true,
})
// const designFormatParam = dynamic({
// loader: ()=> import('ling_biz/MultipleUpload'),
// loading: () => <>loading...</>,
// submodule: 'designFormatParam',
// type: 'util'
// // suspense: true,
// })
const Image = dynamic({
loader: ()=> import('ling_core/Image'),
loading: () => <>loading...</>,
// submodule: 'Image',
})
const TimerA = Hoc(ComponentA)
const TimerMF = Hoc(Image)
// @ts-ignore
// const preloader = new Preloader()
export default function Router(){
const [visible, setVisible] = useState(false)
const navigate = useNavigate()
const [showPreload] = useState(!!window.location.search.match('tab'))
const [timestamp, setTimestamp] = useState(0)
const setVal = useCallback((val: number)=>{
setTimestamp(val)
},[])
const Modal = useMemo(()=> dynamic({
visible,
// suspense: true,
loader: () => import('antd/es/modal'),
loading: () => <>loading...</>,
}),[visible])
const TimerModal = useMemo(()=>Hoc(Modal),[Modal])
useEffect(()=>{
// console.log(B())
},[])
return <>
<div className='tabs'>
<p> 鉂楋笍correct data requires <strong className='trigger' style={{}}>disable browser cache</strong> 鉂楋笍</p>
<a href='/'>Test Lazy-Load</a>
<a href='/?tab=preload'>Test Preload</a>
</div>
<Suspense fallback="suspense loading...">
<div className='core'>
<Switch>
<Route path='*' element={<div style={{height: 250, display: 'flex', justifyContent: 'center', alignItems: 'center'}}>This in Index</div>} />
<Route path='/A' element={
<div style={{height: 250, display: 'flex', justifyContent: 'center', alignItems: 'center'}}>
<TimerA onEnd={setVal} />
</div>} />
<Route path='/MF' element={<>
<TimerMF onEnd={setVal} height={250} src="https://img14.360buyimg.com/ling/s516x0_jfs/t1/97522/12/25179/1393762/622aa4c9E4ff1c9d2/3de6b0ab3c754b8d.png" />
</>} />
</Switch>
<div style={{marginTop: 20, color: '#ccc'}}>Component Loading Time: {timestamp} (ms)</div>
{<TimerModal visible={visible} onCancel={()=>{setVisible(false)}} onEnd={setVal}> This is Modal</TimerModal>}
{!showPreload ? <div>
<Link to="/A" className="App-link">
Load Component A
</Link>
<Link to="/MF" className="App-link" >
Load MF
</Link>
<span className="App-link" onClick={()=>{setVisible(true)}}>
Load Modal
</span>
</div>
:<div>
<PreloadLink flag="/A" onClick={()=>{navigate('/A')}} className="App-link">
Preload Component A
</PreloadLink>
<PreloadLink flag="/MF" className="App-link">
<Link to="/MF" >Preload MF</Link>
</PreloadLink>
<PreloadLink flag="/A" className="App-link" onClick={()=>{setVisible(true)}}>
PreLoad Modal
</PreloadLink>
</div>}
</div>
</Suspense>
</>
}