createMail.js

const {google} = require('googleapis');
const mailComposer = require('nodemailer/lib/mail-composer');
	
class CreateMail{
    
    constructor(auth, to, sub, body, task, attachmentSrc=[]){
        this.me = 'Enter your email id.';
        this.task = task;
        this.auth = auth;
        this.to = to;
        this.sub = sub;
        this.body = body;
        this.gmail = google.gmail({version: 'v1', auth});
        this.attachment = attachmentSrc;
    }
}