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August 21, 2023 08:19
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import { faker } from "@faker-js/faker"; | |
import { Suspense, cache } from "react"; | |
import Link from "next/link"; | |
export const dynamic = "force-dynamic"; | |
export const revalidate = 0; | |
const salesFromDB = Array.from( | |
{ length: 21 }, | |
() => | |
({ | |
id: faker.string.nanoid(), | |
product: faker.commerce.productName(), | |
email: faker.internet.email({ provider: "gmail" }), | |
}) as const, | |
); | |
const getSales = cache(async (pageParam: number = 1) => { | |
// await new Promise((resolve) => setTimeout(resolve, Math.random() * 1000)); | |
const page = pageParam < 1 ? 1 : pageParam; | |
const offset = (page - 1) * 10; | |
const sales = salesFromDB.slice(offset, offset + 11); // 10 + 1 for hasNext | |
return { results: sales.slice(0, 10), hasNext: sales.length === 11 }; | |
}); | |
export default async function Page({ | |
searchParams, | |
}: { | |
searchParams: { page: number }; | |
}) { | |
const page = searchParams.page || 1; | |
return ( | |
<div | |
style={{ | |
width: "80vw", | |
margin: "0 auto", | |
}} | |
> | |
<div | |
style={{ | |
display: "flex", | |
flexDirection: "column", | |
alignItems: "center", | |
}} | |
> | |
<h1>Sales</h1> | |
<table> | |
<thead> | |
<tr> | |
<th>Command ID</th> | |
<th>Product Name</th> | |
<th>Customer Email</th> | |
</tr> | |
</thead> | |
<Suspense | |
key={page} | |
fallback={ | |
<tbody> | |
<tr> | |
<td>Loading...</td> | |
</tr> | |
</tbody> | |
} | |
> | |
<SalesTable page={page} /> | |
</Suspense> | |
</table> | |
<div | |
style={{ | |
display: "flex", | |
gap: "1rem", | |
}} | |
> | |
{page > 1 && ( | |
<Link | |
href={`/paginate?page=${ | |
Number(page) - 1 | |
}&ck=${Math.round(Math.random() * 1000)}`} | |
> | |
Prev | |
</Link> | |
)} | |
<Suspense key={page}> | |
<NextButton page={page} /> | |
</Suspense> | |
</div> | |
</div> | |
</div> | |
); | |
} | |
async function SalesTable({ page }: { page: number }) { | |
const sales = await getSales(page); | |
return ( | |
<tbody> | |
{sales.results.map((sale) => ( | |
<tr key={sale.id}> | |
<td>{sale.id}</td> | |
<td>{sale.product}</td> | |
<td>{sale.email}</td> | |
</tr> | |
))} | |
</tbody> | |
); | |
} | |
async function NextButton({ page }: { page: number }) { | |
const sales = await getSales(page); | |
return ( | |
sales.hasNext && ( | |
<Link | |
href={`/paginate?page=${Number(page) + 1}&ck=${Math.round( | |
Math.random() * 1000, | |
)}`} | |
> | |
Next | |
</Link> | |
) | |
); | |
} |
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