Gmailの新着メールをNode.jsを使って受信する

"use strict";

const inbox = require('inbox');
const nodemailer = require('nodemailer');
const iconv = require('iconv');
const conv = new iconv.Iconv("UTF-8", "UTF-8");
const MailParser = require("mailparser").MailParser;
const mailparser = new MailParser();

const auth = {user: 'xxxx', pass: 'xxxx'};

var imap = inbox.createConnection(false, 'imap.gmail.com', {secureConnection: true, auth});

imap.on('connect', function() {
    console.log('connected');
    imap.openMailbox('INBOX', function(error) {
        if (error) throw error;
    });
});

imap.connect();

imap.on("new", function(message) { 
    console.log('日時:' + message.date);
    console.log('送信者:' + message.from.name + '-' + message.from.address);
    console.log('タイトル:' + message.title);

    imap
    .createMessageStream(message.UID)
    .pipe(mailparser)
    .on("end", function(mail) {
        console.log(mail);
    });

});

imap.on('new', function(message) {
/*
    var smtp = nodemailer.createTransport('SMTP', {
        port: 465,
        host: 'smtp.gmail.com',
        secureConnection: true,
        auth
    });
    smtp.sendMail({
        from: 'ぁゃぴぼっと<' + auth.user + '>',
        to: message.from.address,
        subject: "ぁりがと",
        text: "登録したょ"
    }, function(e, res) {
        console.log(e ? e.message : res.message);
        smtp.close();
    });
*/
});