apiPokemon.js

getPokmonApi('http://pokeapi.co/api/v2/')
  .then(function(body){
      console.log(body)
  })


function getPokmonApi(url) {

  return new Promise(function(resolve, reject){

      request(url, function (err, response, body){
          if(err && response.statusCode != 200)
            return reject(err)

          resolve(JSON.parse(body))
      })

  })

}