btrc-hub/frontend/scripts/generate-sitemap.js

import axios from 'axios'
import fs from 'fs'
import path from 'path'

const formatDate = (date = new Date) => {
  const year = date.getFullYear ()
  const month = (date.getMonth () + 1).toString ().padStart (2, '0')
  const day = date.getDate ().toString ().padStart (2, '0')

  return `${ year }-${ month }-${ day }`
}

const DOMAIN = 'https://hub.nizika.monster'
const API_BASE_URL = 'https://hub.nizika.monster/api'

const fetchPostIds =
    async () => (await axios.get (`${ API_BASE_URL }/posts`)).data.posts.map (post => post.id)

const fetchTagNames =
    async () => (await axios.get (`${ API_BASE_URL }/tags`)).data.map (tag => tag.name)

const fetchWikiTitles =
    async () => (await axios.get (`${ API_BASE_URL }/wiki`)).data.map (page => page.title)

const routes = [
    '/',
    ...(await fetchTagNames ()).map (tags => `/posts?${ (new URLSearchParams ({ tags })).toString () }`),
    ...(await fetchPostIds ()).map (id => `/posts/${ id }`),
    '/wiki',
    ...(await fetchWikiTitles ()).map (title => `/wiki/${ encodeURIComponent (title) }`)]

const xml = `<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
${ routes.map (route => `  <url>
    <loc>${ DOMAIN }${ route }</loc>
    <lastmod>${ formatDate () }</lastmod>
    <changefreq>daily</changefreq>
  </url>`).join ('\n') }
</urlset>`

fs.writeFileSync (path.resolve ('dist/sitemap.xml'), xml)