Extending jQuery creditCard

creditcard.js

/*region extending cards and card types from jqueryPayment to support new types*/
    const typesPagBank = [
    {
        title: 'MasterCard',
        type: 'mastercard',
        pattern: '^(?:5[1-5][0-9]{2}|222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}$',
        gaps: [4, 8, 12],
        lengths: [16],
        code: {
            name: 'CVC',
            size: 3
        }
    },
    {
        title: 'American Express',
        type: 'amex',
        pattern: '^3([47]\\d*)?$',
        isAmex: true,
        gaps: [4, 10],
        lengths: [15],
        code: {
            name: 'CID',
            size: 4
        }
    },
    {
        title: 'Diners',
        type: 'dinnersclub',
        pattern: '^(3(0[0-5]|095|6|[8-9]))\\d*$',
        gaps: [4, 10],
        lengths: [14, 16, 17, 18, 19],
        code: {
            name: 'CVV',
            size: 3
        }
    },
    {
        title: 'Elo',
        type: 'elo',
        pattern: '^((451416)|(509091)|(636368)|(636297)|(504175)|(438935)|(40117[8-9])|(45763[1-2])|' +
            '(457393)|(431274)|(50990[0-2])|(5099[7-9][0-9])|(50996[4-9])|(509[1-8][0-9][0-9])|' +
            '(5090(0[0-2]|0[4-9]|1[2-9]|[24589][0-9]|3[1-9]|6[0-46-9]|7[0-24-9]))|' +
            '(5067(0[0-24-8]|1[0-24-9]|2[014-9]|3[0-379]|4[0-9]|5[0-3]|6[0-5]|7[0-8]))|' +
            '(6504(0[5-9]|1[0-9]|2[0-9]|3[0-9]))|' +
            '(6504(8[5-9]|9[0-9])|6505(0[0-9]|1[0-9]|2[0-9]|3[0-8]))|' +
            '(6505(4[1-9]|5[0-9]|6[0-9]|7[0-9]|8[0-9]|9[0-8]))|' +
            '(6507(0[0-9]|1[0-8]))|(65072[0-7])|(6509(0[1-9]|1[0-9]|20))|' +
            '(6516(5[2-9]|6[0-9]|7[0-9]))|(6550(0[0-9]|1[0-9]))|' +
            '(6550(2[1-9]|3[0-9]|4[0-9]|5[0-8])))\\d*$',
        gaps: [4, 8, 12],
        lengths: [16],
        code: {
            name: 'CVC',
            size: 3
        }
    },
    {
        title: 'Hipercard',
        type: 'hipercard',
        pattern: '^((606282)|(637095)|(637568)|(637599)|(637609)|(637612))\\d*$',
        gaps: [4, 8, 12],
        lengths: [13, 16],
        code: {
            name: 'CVC',
            size: 3
        }
    },
    {
        title: 'Aura',
        type: 'aura',
        pattern: '^5078\\d*$',
        gaps: [4, 8, 12],
        lengths: [19],
        code: {
            name: 'CVC',
            size: 3
        }
    }];

    //cardsFriendly é usado apenas para permitir que o setCardType remova os cartões incorretos, mas não para verificar
    const cardsFriendly = [
        {type: 'elo', patterns: [], length: [], cssLength: [], format: '', luhn: false},
        {type: 'aura', patterns: [], length: [], cssLength: [], format: '', luhn: false},
        {type: 'hipercard', patterns: [], length: [], cssLength: [], format: '', luhn: false},
    ]
    $.extend($.payment.cardsPagBank, typesPagBank);
    $.extend($.payment.cards, cardsFriendly);

    // método original
    const originalCardType = $.payment.cardType;

    // Estendemos a cardType do jqueryPayment
    $.extend($.payment, {
        cardType: function(num) {
            // Tentamos buscar no nosso array de cartões
            let cardTypes = getCardTypes(num);
            if (cardTypes.length > 0) {
                return cardTypes[0].type;
            }

            // Se não encontrarmos, retornamos o resultado original
            return originalCardType.call(this, num);
        }
    });

    /**
     * Retorna o tipo de cartão
     * @param cardNumber
     * @returns {*|*[]}
     */
    let getCardTypes = function (cardNumber) {
        //remove spaces
        cardNumber = cardNumber.replace(/\s/g, '');
        let result = [];

        if ($.isEmptyObject(cardNumber)) {
            return result;
        }

        if (cardNumber === '') {
            return $.extend(true, [], $.payment.cardsPagBank);
        }

        for (let i = 0; i < typesPagBank.length; i++) {
            let value = typesPagBank[i];
            if (new RegExp(value.pattern).test(cardNumber)) {
                result.push($.extend(true, {}, value));
            }
        }

        return result.slice(-1);
    }

    /*endregion*/