const GetReviewers = require('core-get-reviewers')
const cgr = new GetReviewers({
  token: '<github token>'
})

cgr.fetchPR(3102, function(err, obj) {
  if (err) throw err
  console.log(cgr.generate(3102, obj))
  // =>
  // => PR-URL: https://github.com/nodejs/node/pull/3102
  // => Reviewed-By: XXX
  // => Reviewed-By: XXX
  // => Reviewed-By: XXX
})

// or to just get a reviewer from a username
// note: case is sensitive here
cgr.getReviewer('evanlucas')
// => 'Evan Lucas <evanlucas@me.com>'