instant-content-updates.js

import { createClient } from 'contentful'

const pollContentful = async (space, accessToken, id, publishedVersion) => {
  const client = createClient({ space, accessToken })

  const resp = await client.getEntries({
    'sys.id': id
  })

  const element = resp.items[0]
  const cdnVersion = element.sys.revision

  if (publishedVersion > cdnVersion) {
    return await pollContentful(id, publishedVersion)
  } else {
    return element
  }
}

export default pollContentful