import { createBigNumberMoney } from '@easymoney/bignumber.js';

const money = createBigNumberMoney({ amount: "111222333344445566677889999", currency: 'USD' });

const money2 = createBigNumberMoney({ amount: 100, currency: 'USD' });

const result = money.add(money2);

result.getAmount();
// => "111122223333444455556666777788890099"

import { createBigNumberMoney } from '@easymoney/bignumber.js';

const money = createBigNumberMoney({ amount: "-222333444111155666677788899", currency: 'USD' });

const money1 = createBigNumberMoney({ amount: -100, currency: 'USD' });

const result = money.absolute();
// => "222333444111155666677788899"

const result1 = money1.absolute();
// => "100"