Create folder in google drive using NodeJS

 npm install googleapis --save

 var google = require('googleapis');
var fs = require('fs');
var OAuth2 = google.auth.OAuth2;
var CLIENT_ID = '7685xxxxxx-sxxxxxxxxxxxxxxxxxxxxxxxxxxxxxm.apps.googleusercontent.com';
var CLIENT_SECRET = 'ixxxxxxxxxxxxxxx4Z';
var REDIRECT_URL = 'http://localhost:3000/api/v1/drive';
var oauth2Client = new OAuth2(CLIENT_ID, CLIENT_SECRET, REDIRECT_URL);
var drive = google.drive({ version: 'v3', auth: oauth2Client });
// generate a url that asks permissions for Google+ and Google Calendar scopes
var scopes = [
  'https://www.googleapis.com/auth/drive',
  'https://www.googleapis.com/auth/drive.file'
];

var url = oauth2Client.generateAuthUrl({
  access_type: 'offline', // 'online' (default) or 'offline' (gets refresh_token)
  scope: scopes // If you only need one scope you can pass it as string
});
console.log(url); //this is the url which will authenticate user and redirect to your local server. copy this and paste into browser

module.exports.googleDrive = (function () {
  var getTokens = function(code) {
    oauth2Client.getToken(code, function(err, tokens) {
      // Now tokens contains an access_token and an optional refresh_token. Save them.
      if(!err) {
        console.log("tokens: ",tokens);
        //refresh_token
        oauth2Client.setCredentials(tokens);
        async.auto({
          userFolder : function(next,result) {
            return createFolder('test',null,next);
          },
          cameraFolder:['userFolder',function(next,result){
            return createFolder('cam',result.userFolder,next);
          }],
          videoFolder:['cameraFolder',function(next,result){
            return createFolder('video',result.cameraFolder,next);
          }]
        },function(err,result){
          if(!err){
            console.log("result: ",result);
          }else{
            console.log("error: ",err);
          }
        });
      }else {
        console.log("error: ",err);
      }
    });
  };


//creating the folder in drive
  function createFolder(name,folderId,next) {
    var folderIds=[];
    if(folderId !== null){
      folderIds.push(folderId);
    }
    var fileMetadata = {
      'name' : name,
      'mimeType' : 'application/vnd.google-apps.folder',
       parents: folderIds
    };
    drive.files.create({
      resource: fileMetadata,
      fields: 'id'
    }, function(err, file) {
      if(err) {
        console.log("error creating folder: ",err);
        next(err);
      } else {
        console.log('Folder Id: ', file.id);
        next(err,file.id);
      }
    });
  }
  return {
    getTokens:getTokens
  };
})();