fetch email without attachment via imap

gistfile1.js

var bodies
var attributes_fetch = imap.fetch(emailId, {
  struct: true
});

attributes_fetch.on('message', function(msg, seqno) {
  msg.once('attributes', function(attrs) {
    // just extracts ["HEADER", "1", "1.MIME"] from a message 
    // which has "HEADER" and "1", "2" parts, where "2" is attachment
    bodies = constructBodies(attrs) 
  });
});

attributes_fetch.once('end', function(){
  var email_fetch = imap.fetch(emailId, {
    bodies: bodies
  });
  email_fetch.on("message", function(msg){
    
    var mailparser = new MailParser();
    
    mailparser.on("end", function(mail_object){
      // mail_object is missing "text" field here
    });
    msg.on('body', function(stream, info) {
      stream.on('data', function(chunk) {
        mailparser.write(chunk)
      });
      // stream.pipe(mailparser) doesn't work
      // for every requested part there is one body emitted, 
      // which on its stream.end will trigger mailparser
    });
    msg.once("end", function(){
      mailparser.end();
    })
  })
  email_fetch.once("end", function(){
    console.log("email fetch done")
  })
})