27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
import axios from 'axios'
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import { SitemapStream, streamToPromise } from 'sitemap'
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import { Readable } from 'stream'
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import { AppUrl } from '../../lib/api'
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import { SITE_URL, sitemapLinks } from '../../lib/seo'
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export default async function sitemap(req, res) {
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let news = []
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let newsAvailable = false
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try {
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const { data } = await axios.get(AppUrl('news'), { timeout: 5000 })
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const posts = Array.isArray(data) ? data : data && data.data
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if (!Array.isArray(posts)) throw new Error('Unexpected news response')
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news = posts
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newsAvailable = true
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} catch (error) {
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// Keep core pages discoverable during a news API outage; retry soon.
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console.warn('Sitemap: news API unavailable:', error.message)
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}
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const stream = new SitemapStream({ hostname: SITE_URL })
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const xml = await streamToPromise(Readable.from(sitemapLinks(news).map(url => ({ url }))).pipe(stream))
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res.setHeader('Content-Type', 'application/xml; charset=utf-8')
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res.setHeader('Cache-Control', newsAvailable ? 'public, s-maxage=3600, stale-while-revalidate=86400' : 'public, s-maxage=60')
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res.status(200).send(xml.toString())
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}
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