Google Apps Script for cleaning up Gmail

CleanUpGmail.gs

/**
 * Scripts:  https://script.google.com/u/0/home/my
 * Triggers: https://script.google.com/u/0/home/triggers
 */
function cleanUpGmail() {
  var queries = [
    'from:([email protected]) in:inbox subject:(from your Steam wishlist on sale) older_than:7d',
    'from:([email protected]) in:inbox subject:(is live) older_than:1d',
     'from:ebay.com subject:("is live!"  OR "has been relisted") older_than:7d',
    // Security alerts
    'from:([email protected]) in:inbox subject:("Security alert" OR "New sign-in from") older_than:1m',
    // 2FA
    'from:([email protected]) in:inbox older_than:1d subject:("two-step authentication" )'
  ]
  
  var threads = Array();
  
  for(var query of queries){
    threads.push(...GmailApp.search(query));
  }
  Logger.log("Cleaning up %s threads", threads.length);
  
  var chunkSize = 100;
  for (var i = 0; i < threads.length; i += chunkSize) {
    var chunk = threads.slice(i, i + chunkSize);
    
    // Mark as read
    // Logger.log("Cleaning up chunk %s", i);
    // GmailApp.markThreadsRead(chunk);

    // Delete
    // GmailApp.moveThreadsToTrash(chunk);

    // Archive
    for (var i = 0; i < chunk.length; i++) {
      Logger.log("Archiving chunk %s: %s", i, chunk[i].getFirstMessageSubject());
      chunk[i].moveToArchive();
    }
    
  }
}