[SuperZen]

Promise
  .resolve({ data: [1, 2, 3] })
  .then(data => {
    return data
  })
  .then(dataAgain => {
    return dataAgain
  }).then(dataAgainAgain => {
    return Promise
      .resolve(dataAgainAgain)
      .then(dataAgainAgainAgain => {
        dataAgainAgainAgain.data.push(4)
        return dataAgainAgainAgain
      })
  }).then(dataAgainAgainAgainWith4 => {
    console.log(dataAgainAgainAgainWith4) // [1,2,3,4]
  })