Google App Script to Delete emails permanently

Email Cleaner

function searchMails(searchQuery) {
  return GmailApp.search(searchQuery, 0, 100);
}

function moveEmailsToTrash(emailThread) {
  emailThread.moveToTrash();
}

function deleteEmailsPermanently(emailThread) {
  Gmail.Users.Threads.remove('me', emailThread.getId());
}

function moveEmailsToTrash() {
  const searchQuery = "from:(xyz.com OR abc.com)";
 
  let searchResult = searchMails(searchQuery);
  let emailInTrashCount = searchResult.length;

  while(searchResult.length) {
    console.log('Started moving emails with search query', searchQuery, 'To Trash count is :', searchResult.length);
    GmailApp.moveThreadsToTrash(searchResult);
    searchResult = searchMails(searchQuery);
    emailInTrashCount += searchResult.length;
  }

  console.log('Total Emails moved to trash are', emailInTrashCount);
  
  // One by one deletion of email
  // searchResult.forEach((emailThread) => {
  //   console.log('Moving email to trash', ' \nSubject: ', emailThread.getMessages()[0].getSubject());
  //   emailThread.moveToTrash();
  //   emailInTrashCount += 1;
  // })

  // console.log('Total Emails moved to trash are: ', emailInTrashCount);
}

function deleteTrashEmailsPermanently() {
   const trashMailThreads = GmailApp.getTrashThreads();
    console.log('Trash Emails Count is', trashMailThreads.length);

    console.log('Now Deleting Trash Emails permanently');
    trashMailThreads.forEach((trashMailThread) => {
      console.log('Deleting email with Subject :', trashMailThread.getMessages()[0].getSubject());
      deleteEmailsPermanently(trashMailThread);
    });
}