incremental static regeneration beta nextjs

Incremental Static Regeneration (beta) has landed with #Nextjs 9.4. This is a mechanism to update existing pages, by re-rendering them in the background as traffic comes in. Inspired by SWR, this ensures traffic is served uninterrupted, always statically. #javascript

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export async function getStaticProps() {
  return {
    props: await getDataFromCMS(),
    // Next.js will attempt to re-generate the page:
    // - when a request comes in
    // - at most once every second
    unstable_revalidate: 1
  }
}