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September 26, 2024 20:33
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Hoist Title and Meta tags in React 19
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import { Suspense, use, useDeferredValue, useState, useTransition } from 'react' | |
import * as ReactDOM from 'react-dom/client' | |
import { ErrorBoundary } from 'react-error-boundary' | |
import { useSpinDelay } from 'spin-delay' | |
import { getImageUrlForShip, getShip, imgSrc, searchShips } from './utils.tsx' | |
const shipFallbackSrc = '/img/fallback-ship.png' | |
function Shell() { | |
return ( | |
<> | |
<meta charSet="UTF-8" /> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> | |
<title>Starship Deets</title> | |
<App /> | |
</> | |
) | |
} | |
function App() { | |
const [shipName, setShipName] = useState('') | |
const [isTransitionPending, startTransition] = useTransition() | |
const isPending = useSpinDelay(isTransitionPending, { | |
delay: 300, | |
minDuration: 350, | |
}) | |
return ( | |
<div className="app-wrapper"> | |
<div className="app"> | |
<ErrorBoundary | |
fallback={ | |
<div className="app-error"> | |
<p>Something went wrong!</p> | |
</div> | |
} | |
> | |
<Suspense | |
fallback={<img style={{ maxWidth: 400 }} src={shipFallbackSrc} />} | |
> | |
<div className="search"> | |
<ShipSearch | |
onSelection={(selection) => { | |
startTransition(() => setShipName(selection)) | |
}} | |
/> | |
</div> | |
<div className="details" style={{ opacity: isPending ? 0.6 : 1 }}> | |
<ErrorBoundary fallback={<ShipError shipName={shipName} />}> | |
{shipName ? ( | |
<Suspense fallback={<ShipFallback shipName={shipName} />}> | |
<ShipDetails shipName={shipName} /> | |
</Suspense> | |
) : ( | |
<div className="ship-info"> | |
<p>Select a ship from the list to see details</p> | |
</div> | |
)} | |
</ErrorBoundary> | |
</div> | |
</Suspense> | |
</ErrorBoundary> | |
</div> | |
</div> | |
) | |
} | |
function ShipSearch({ | |
onSelection, | |
}: { | |
onSelection: (shipName: string) => void | |
}) { | |
const [search, setSearch] = useState('') | |
const deferredSearch = useDeferredValue(search) | |
const isPending = useSpinDelay(search !== deferredSearch) | |
return ( | |
<> | |
<div> | |
<input | |
placeholder="Filter ships..." | |
type="search" | |
value={search} | |
onChange={(event) => { | |
setSearch(event.currentTarget.value) | |
}} | |
/> | |
</div> | |
<ErrorBoundary | |
fallback={ | |
<div style={{ padding: 6, color: '#CD0DD5' }}> | |
There was an error retrieving results | |
</div> | |
} | |
> | |
<ul style={{ opacity: isPending ? 0.6 : 1 }}> | |
<Suspense fallback={<SearchResultsFallback />}> | |
<SearchResults search={deferredSearch} onSelection={onSelection} /> | |
</Suspense> | |
</ul> | |
</ErrorBoundary> | |
</> | |
) | |
} | |
function SearchResultsFallback() { | |
return Array.from({ length: 12 }).map((_, i) => ( | |
<li key={i}> | |
<button> | |
<img src={shipFallbackSrc} alt="loading" /> | |
... loading | |
</button> | |
</li> | |
)) | |
} | |
function SearchResults({ | |
search, | |
onSelection, | |
}: { | |
search: string | |
onSelection: (shipName: string) => void | |
}) { | |
const shipResults = use(searchShips(search)) | |
return shipResults.ships.map((ship) => ( | |
<li key={ship.name}> | |
<button onClick={() => onSelection(ship.name)}> | |
<ShipImg | |
src={getImageUrlForShip(ship.name, { size: 20 })} | |
alt={ship.name} | |
/> | |
{ship.name} | |
</button> | |
</li> | |
)) | |
} | |
function ShipDetails({ shipName }: { shipName: string }) { | |
const shipImgSrc = getImageUrlForShip(shipName, { size: 200 }) | |
imgSrc(shipImgSrc) | |
const ship = use(getShip(shipName)) | |
return ( | |
<div className="ship-info"> | |
<div className="ship-info__img-wrapper"> | |
<ShipImg src={shipImgSrc} alt={ship.name} /> | |
</div> | |
<section> | |
<h2> | |
{ship.name} | |
<sup> | |
{ship.topSpeed} <small>lyh</small> | |
</sup> | |
</h2> | |
</section> | |
<section> | |
{ship.weapons.length ? ( | |
<ul> | |
{ship.weapons.map((weapon) => ( | |
<li key={weapon.name}> | |
<label>{weapon.name}</label>:{' '} | |
<span> | |
{weapon.damage} <small>({weapon.type})</small> | |
</span> | |
</li> | |
))} | |
</ul> | |
) : ( | |
<p>NOTE: This ship is not equipped with any weapons.</p> | |
)} | |
</section> | |
<small className="ship-info__fetch-time">{ship.fetchedAt}</small> | |
</div> | |
) | |
} | |
function ShipFallback({ shipName }: { shipName: string }) { | |
return ( | |
<div className="ship-info"> | |
<div className="ship-info__img-wrapper"> | |
<ShipImg | |
src={getImageUrlForShip(shipName, { size: 200 })} | |
alt={shipName} | |
/> | |
</div> | |
<section> | |
<h2> | |
{shipName} | |
<sup> | |
XX <small>lyh</small> | |
</sup> | |
</h2> | |
</section> | |
<section> | |
<ul> | |
{Array.from({ length: 3 }).map((_, i) => ( | |
<li key={i}> | |
<label>loading</label>:{' '} | |
<span> | |
XX <small>(loading)</small> | |
</span> | |
</li> | |
))} | |
</ul> | |
</section> | |
</div> | |
) | |
} | |
function ShipError({ shipName }: { shipName: string }) { | |
return ( | |
<div className="ship-info"> | |
<div className="ship-info__img-wrapper"> | |
<ShipImg src="/img/broken-ship.webp" alt="broken ship" /> | |
</div> | |
<section> | |
<h2>There was an error</h2> | |
</section> | |
<section>There was an error loading "{shipName}"</section> | |
</div> | |
) | |
} | |
function ShipImg(props: React.ComponentProps<'img'>) { | |
return ( | |
<ErrorBoundary fallback={<img {...props} />} key={props.src}> | |
<Suspense fallback={<img {...props} src={shipFallbackSrc} />}> | |
<Img {...props} /> | |
</Suspense> | |
</ErrorBoundary> | |
) | |
} | |
function Img({ src = '', ...props }: React.ComponentProps<'img'>) { | |
src = use(imgSrc(src)) | |
return <img src={src} {...props} /> | |
} | |
const rootEl = document.createElement('div') | |
document.body.append(rootEl) | |
ReactDOM.createRoot(rootEl).render(<Shell />) |
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