es6 promises

es6-promise.js

const save = () => {
  return new Promise((resolve, reject) => {
    // access the db
    // save the file
    // when the file is saved successfully
    // resolve with the saved document
    resolve(doc)
    // if there was an error
    reject(err)
  })
}


save() //

{
  then:
  catch: 
}



// const user = new User()
//
// user
//   .save()
//   .then(function(doc) {
//
//   })
//   .catch()
//
//
//
//   {
//     then: (doc)
//     catch: (err)
//   }