updateRecipient in Pagar.me with js

updateRecipient.js

const pagarme = require('pagarme')
const api_key = 'SUA_CHAVE_DE_API';

bank_account_1 = {
    bank_code: '987',
    agencia: '9876',
    agencia_dv: '9',
    conta: '98765',
    conta_dv: '9',
    legal_name: 'Primeira conta bancaria',
    document_number: '26268738888'
  };

bank_account_2 = {
    bank_code: '123',
    agencia: '1234',
    agencia_dv: '1',
    conta: '12345',
    conta_dv: '1',
    legal_name: 'Nova conta bancaria',
    document_number: '26268738888'
}

function createRecipient (callback) {
  pagarme.client.connect({ api_key: api_key })
  .then(client => client.recipients.create({
    bank_account: bank_account_1,
    transfer_interval: 'weekly',
    transfer_day: 5,
    transfer_enabled: true
  }))
  .then(recipient => {
    console.log("Recebedor criado! ")
    showRecipient(recipient)

    callback(recipient)
  })
}

function updateRecipient (myRecipient) {
   pagarme.client.connect({ api_key: api_key })
  .then(client => client.recipients.update({
    id: myRecipient.id,
    bank_account: bank_account_2
  }))
  .then(recipient => {
    console.log("Recebedor atualizado! ")
    showRecipient(recipient);
  })
  .catch(err =>
    console.log(JSON.Stringify(err)));
}

function showRecipient(recipient) {
  console.log(recipient);
}

console.log(createRecipient(updateRecipient));