README.md

Setup:

Add before end of body in your public/index.html

    <script type="text/javascript" src="https://js.iugu.com/v2"></script>

Using example:

const iuguService = new IuguService()
const validExpire = iuguService.validateCreditCardExpiration(formState.expireMonth, formState.expireYear

index.js

window.Iugu.setAccountID("YOUR_ACCOUNT_ID_HERE");

if(!process.env.REACT_APP_PROD){
  window.Iugu.setTestMode(true);
}

window.Iugu.setup();

iugu.service.js

// https://dev.iugu.com/docs/tokeniza%C3%A7%C3%A3o

export default class IuguService {
    provider;
    constructor() {
        if (!window.Iugu)
            alert("Não foi possível acessar o serviço de pagamentos, contate o suporte para mais detalhes");

        this.provider = window.Iugu
    }

    createCreditCardToken(ccnumber, valid_month, valid_year, name, last_name, cvv){
        const ccObject = this.provider.CreditCard(ccnumber, valid_month /*MM*/, valid_year /*YYYY*/, name, last_name,  cvv);
        return new Promise((resolve, reject) => {
            this.provider.createPaymentToken(ccObject, function(response) {
                if (response.errors) {
                    reject(response.errors)
                } else {
                    resolve({response, token: response.id})
                }   
            });
        })
    }

    validateCreditCardNumber(ccNumber){
        return this.provider.utils.validateCreditCardNumber(ccNumber);
    }

    validateCreditCardCvv(cvv, brand){
        return this.provider.utils.validateCVV(cvv, brand)
    }

    validateCreditCardExpiration(month, year){
        return this.provider.utils.validateExpiration(month, year); //(MM, YYYY)
    }

    validateCreditCardExpirationByString(exp_string){
        return this.provider.utils.validateExpirationString(exp_string); // (MM/YYYY)
    }

    getBrandByCreditCardNumber(ccNumber){
        return this.provider.utils.getBrandByCreditCardNumber(ccNumber); // (MM/YYYY)
    }

}