manifold/web/pages/server-sitemap.xml.tsx
2022-10-05 11:49:47 -04:00

25 lines
922 B
TypeScript

import { GetServerSideProps } from 'next'
import { getServerSideSitemap, ISitemapField } from 'next-sitemap'
import { listAllContracts } from 'web/lib/firebase/contracts'
export const getServerSideProps: GetServerSideProps = async (ctx) => {
const contracts = await listAllContracts(5000, undefined, 'popularityScore')
const score = (popularity: number) => Math.tanh(Math.log10(popularity + 1))
const fields = contracts
.sort((x) => x.popularityScore ?? 0)
.map((market) => ({
loc: `https://manifold.markets/${market.creatorUsername}/${market.slug}`,
changefreq: market.volume24Hours > 10 ? 'hourly' : 'daily',
priority: score(market.popularityScore ?? 0),
lastmod: new Date(market.lastUpdatedTime ?? 0).toISOString(),
})) as ISitemapField[]
return await getServerSideSitemap(ctx, fields)
}
// Default export to prevent next.js errors
export default function Sitemap() {}