EXAMPLE ES5 var totalize = require('totalize');

totalize.getTotals([{ qty: 1, unit_price: 99.99, unit_discount: 20, iva_percentage: 16 }, { qty: 1, unit_price: 99.99, iva_percentage: 16 }]);

EXAMPLE ES56

import { totalize } from 'totalize';

totalize.getTotals([{ qty: 1, unit_price: 99.99, unit_discount: 20, iva_percentage: 16 }, { qty: 1, unit_price: 99.99, iva_percentage: 16 }]);

Output:

{ lines: [ { qty: 1, unit_price: 99.99, unit_discount: 20, iva_percentage: 16, iva: '12.80' }, { qty: 1, unit_price: 99.99, iva_percentage: 16, iva: '16.00' } ], subtotal: '199.98', discount: '20.00', iva: '28.80', total: '208.78' }