Trello changelog in console

trello-changelog.js

(function() {
  'use strict';
  var changelog = [];
  var date = new Date();

  var padLeft = function ( str ) {
    var pad = '00';
    return pad.substring(0, pad.length - str.length) + str;
  };

  // opening <pre>
  changelog.push( '<pre>' );

  // ver + date
  changelog.push( $$( '.js-title-helper' )[0].textContent + ' (' + date.getFullYear() + '-' + padLeft( "" + ( 1 + date.getMonth() ) ) + '-' + padLeft( "" + date.getDate() ) + ')' );

  // changes from checklist
  Array.prototype.map.call( $$('.checklist .checklist-item-state-complete .checklist-item-details-text'), function( $elm ) {
    changelog.push( $elm.textContent );
  } );

  // closing </pre>
  changelog.push( '</pre>' );
  changelog.push( '' );

  copy( 
    changelog
      .map( function( line ) { 
        return line.trim();
      } )
      .join( '\n' ) 
  );
  
  return 'Changelog copied to clipboard!';
}());