poll-hook.js

module['exports'] = function getResource (hook) {
  var hyperquest = require('hyperquest')
  var resource = hook.env.resource
  
  hyperquest(resource, { method: 'HEAD' }, function getHeaders (err, res) {
    if (err) {
      return logAndEnd(err.messsage || err)
    }
    var post = hyperquest.post(hook.env.next, {
      headers: {
        'content-type': 'application/json',
        'referrer': hook.req.url
      }
    }, function done (err) {
      logAndEnd(err ? err.messsage || err : JSON.stringify(res.headers))
    })
    
    post.end(JSON.stringify({
      resource: resource,
      headers: res.headers
    }))
  })
  
  function logAndEnd (message) {
    console.log(message)
    hook.res.end(message)
  }
}