Use SuiteScript 2.1 to search for journal records within the current year

function findJournalEntries(year) {
  var search = nlapiSearchRecord('journalentry', null, [
    ['type', 'anyof', 'Journal'],
    'AND',
    ['year', 'on', year]
  ], [
    new nlobjSearchColumn('internalid'),
    new nlobjSearchColumn('trandate'),
    new nlobjSearchColumn('account'),
    new nlobjSearchColumn('debitamount'),
    new nlobjSearchColumn('creditamount')
  ]);
  
  return search.map(function(row) {
    return {
      id: row.getValue('internalid'),
      date: row.getValue('trandate'),
      account: row.getText('account'),
      debit: parseFloat(row.getValue('debitamount')),
      credit: parseFloat(row.getValue('creditamount'))
    }
  });
}