scrapper.js

const Promise = require('bluebird');
const request = require('request-promise');
const writeFile = Promise.promisify(require("fs").writeFile);

const ACCESS_TOKEN = "EAACEdEose0cBALbEdSecEYjBs0nEcqW2gKJLvpMOqRKWRLreYh1ROUSjHg8M6893BBljot9DmNRm3Vnue2lP7c0BjdRvFY0XRY0UzDc9gsw8RUpHngJBuRJTgZBohYRZAhvvTH3nxxIwyoZC6NWIDaqxkma7nuHx4BytwsOBAZDZD";
const BASE_URL = `https://graph.facebook.com/v2.8/me/feed?access_token=${ACCESS_TOKEN}&limit=300&until=1453664307`;


function getNextPromise(url) {
  return request({
    url,
    json: true
  })
}

let posts = [];

let corpus = "";

request({ url: BASE_URL, json: true })
  .then(function parseResult(body) {
    if (body.error) {
      console.log('Fatal Error');
      console.log(body.error);
      return Promise.resolve()
    }

    Array.prototype.push.apply(posts, body.data)
    console.log(`Posts Collected so far: ${posts.length}. Got ${body.data.length} posts this time`);

    if(body.paging && body.paging.next) {
      return getNextPromise(body.paging.next).then(parseResult)
    }
    else {
      return Promise.resolve()
    }
  })
  .then(() => {
    console.log(`Finished...
                 Writing to file now`);
    return writeFile('diego-posts.json', JSON.stringify({ posts }, null, 4))
  })
  .then(() => {
    console.log('---------');
    console.log(corpus);
  })
  .then(() => {
    console.log(`Posts Saved > diego-posts.json
                   kthxbai`);
    return Promise.resolve(posts)
  })
  .catch(err => {
    if (err.error) console.log(err.error);
    else console.log(err);
  })