restmail+fetch example

index.js

var fetch = require('node-fetch')
fetch.Promise = require('promise')

getEmails('testfetch@restmail.net')
  // Filter only FxA emails and only return the x-link header.
  .then((messages) => messages.filter(filterFunc).map(getLink))
  .then(console.log)
  .catch(console.error)

function getEmails (account) {
  // Retrieve restmail account and convert response to JSON.
  return fetch(`https://restmail.net/mail/${account}`).then((response) => response.json())
}

function getLink (message) {
  return message.headers['x-link']
}

function isFxAEmail (message) {
  return (message.from[0].name === 'Firefox Accounts')
}

function filterFunc (message) {
  return isFxAEmail(message) && !!getLink(message)
}

package.json

{
  "name": "node-fetch-test",
  "version": "1.0.0",
  "author": "Peter deHaan",
  "dependencies": {
    "babel": "5.3.3",
    "node-fetch": "1.2.1",
    "promise": "7.0.1"
  },
  "devDependencies": {
    "standard": "3.8.0"
  },
  "license": "WTFPL",
  "main": "index.js",
  "scripts": {
    "start": "babel-node index",
    "test": "standard"
  }
}