Commandline Program to take user inputs and then return links using Horseman and Phantom

commandLine.js

var chalk     = require('chalk'),
    CLI       = require('clui'),
    inquirer  = require('inquirer'),
    clear     = require('clear'),
    figlet    = require('figlet');


clear();
console.log(
  chalk.yellow(
    figlet.textSync('App Name', {horizonalLayout: 'full'})
  )
);

function getSearchParams(callback) {
  var questions = [
    {
      name:       'city',
      type:       'input',
      message:    'Please enter the name of the city you want to search:',
      validate: (value) => {
        if(value.length >= 2) {
          return true;
        }
        return "Please enter a valid city name";
      }
    },
    {
      name:       'state',
      type:       'input',
      message:    'Please enter a 2 letter state abbreviation:',
      validate: (value) => {
        if(value.length === 2) {
          return true;
        }
        return "Please enter a 2 letter state abbreviation"
      }
    },
    {
      name:       'query',
      type:       'input',
      message:    'Please enter query information:',
      validate: (value) => {
        if(value.length >= 2) {
          return true;
        }
        return "Please enter terms you wish to search"
      }
    }
  ];
  inquirer.prompt(questions).then(callback);
}
/* if you want to call it seperately
getSearchParams(function(){
  const queryInfo = {arguments};
  return queryInfo;
});
*/
module.exports = getSearchParams;

horseman.js

var Horseman    = require('node-horseman'),
    phantom     = require('phantomjs-prebuilt'),
    CLI         = require('clui'),
    fs          = require('fs');

const getSearchParams = require('./commandLine');

var horseman = new Horseman({
  injectJquery: true,
  injectBluebird: true,
  debugPort: process.env.PORT,
  webSecurity: false 
}); 
var result = {};

//error logging
horseman
  .on('error', function (msg, trace) {
    console.log(msg, trace);
  }).on('timeout', function (timeout, msg) {
      console.log('timeout', msg);
  }).on('resourceTimeout', function (msg) {
      console.log('resourceTimeout', msg);
  }).on('resourceError', function (msg) {
      console.log('resourceError', msg);
  }).on('loadFinished', function (msg) {
      console.log('loadFinished', msg);
  }).on('loadStarted', function (msg) {
      console.log('loadStarted', msg);
  });

function getLinks(){
  return horseman.evaluate(function(){
    // This code is executed in the browser.
    var links = [];
    $("div.g h3.r a").each(function(item){
      var link = {
        title : $(this).text(),
        url : $(this).attr("href")
      };
      links.push(JSON.stringify(link, null, 3));
    });
    return links;
  });
}

function hasNextPage(){
  return horseman.exists("#pnnext");
}

function scrape(){
    return getLinks()
    .then(function(newLinks){
      fs.appendFileSync('../path/to/file.json', newLinks + "," + "\n");
        return hasNextPage()
        .then(function(hasNext){
          if (hasNext){
            return horseman
              .click("#pnnext")
              .wait(2000)
              .then( scrape );
          } 
          fs.appendFileSync('../path/to/file.json', newLinks.slice(-1));
          return ;
        })
    }).catch(function(err) {
        console.log("Error " + err.message);
        return err;
    })
  }  

function getUserInput(){
  //synchronous execution get user input then search with values
    return horseman
      .do(getSearchParams)
      .then(function(value){
        if(value !== undefined) {
          /*return value is an object of the user inputs*/
          return horseman 
            .log(value)
            .userAgent(/*Firefox*/'*Mozilla Firefox/47.0.1 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Chrome 53.0.2785.34 Internet Explorer 11.0.28 Safari 9.1.2')
            .open('https://www.google.com')
            .type('input[name="q"]', `${value.query} ${value.city},${value.state} `)
            .log(`Searching for: ${value.query} ${value.city},${value.state}`)
            .click('[name="btnG"]')
            .keyboardEvent('keypress', 16777221)
            .waitForSelector('div.g') //'div#MSOZoneCell_WebPartWPQ3'
            //.then(status.start())
            .then(fs.appendFileSync('../path/to/file.json', "[" + "\n"))
            .then(scrape)
           // .then(status.stop())
            .log("Scraping Complete")
            .finally(function(){
              fs.appendFileSync('../path/to/file.json', "]" + "\n")
              horseman.close();
            });
        }
      }).then(function(query){
        console.log("Results populated in: ../path/to/file.json");
      })
   };    
 
//runs a google search with a specific query string
horseman
  .do(getUserInput)