ember-credit-cards/addon/utils/formatters.js

A credit card utility library and form elements.

import { isEmpty } from '@ember/utils';
import cards from 'ember-credit-cards/utils/cards';

var cardFromNumber = cards.fromNumber;

function formatNumber(num) {
  num = (num + '').replace(/\D/g, '');
  
  var card = cardFromNumber(num);
  
  if (!card) {
    return num;
  }

  var upperLength = card.length[card.length.length - 1];
  
  num = num.slice(0, upperLength);
  
  if (card.format.global) {
    var ref = num.match(card.format);

    return ref != null ? ref.join(' ') : '';
  } else {
    var groups = card.format.exec(num);
    
    if (groups == null) {
      return;
    }
    
    groups.shift();

    groups = groups.filter(function(g) {
      return !isEmpty(g);
    });
    
    return groups.join(' ');
  }
}


function formatExpiration(mon, year) {
  var sep = '';

  mon = mon || '';
  year = year || '';
  
  if (mon.length === 1 && (mon !== '0' && mon !== '1')) {
    mon = "0" + mon;
  }

  if (mon.length === 2) {
    sep = ' / '; 
  } 

  return mon + sep + year;
}

function formatZipcode(zip) {
  zip = zip || '';

  var match = /^(\d{0,5})(\d{0,4})$/g.exec(zip);

  if (match) {
    if (match[2]) {
      return match[1] + '-' + match[2];
    }
  }

  return zip;
}


export default {
  formatNumber: formatNumber,
  formatExpiration: formatExpiration,
  formatZipcode: formatZipcode
};