text: const path = require('path')
  const patterns = require('../lib/patterns')
  const isArchivedVersion = require('../lib/is-archived-version')
  const got = require('got')
  
  // This module handles requests for the CSS and JS assets for
  // deprecated GitHub Enterprise versions by routing them to static content in
  // help-docs-archived-enterprise-versions
  //
  // See also ./archived-enterprise-versions.js for non-CSS/JS paths
  
  module.exports = async (req, res, next) => {
    const { isArchived, requestedVersion } = isArchivedVersion(req)
    if (!isArchived) return next()
  
    // Only match asset paths
    if (!patterns.assetPaths.test(req.path)) return next()
  
    const assetPath = req.path.replace(`/enterprise/${requestedVersion}`, '')
    const proxyPath = path.join('/', requestedVersion, assetPath)
  
    try {
      const r = await got(`https://github.github.com/help-docs-archived-enterprise-versions${proxyPath}`)
      res.set('accept-ranges', 'bytes')
      res.set('content-type', r.headers['content-type'])
      res.set('content-length', r.headers['content-length'])
      res.set('x-is-archived', 'true')
      res.set('x-robots-tag', 'noindex')
      res.send(r.body)
    } catch (err) {
      next()
    }
  }
  