An AngularJS directive for selecting a country code from a select dropdown

country_code_select.js

'use strict';

angular.module('webappApp')
  .directive('countryCodeSelect', ['$parse', function($parse) {
    return {
      restrict: 'A',
      template: '<select><option ng-repeat="(key, value) in countries" value="{{ value }}">{{ key }} ({{ value }})</option></select>',
      replace: true,
      link: function(scope, elem, attrs) {
        var assignCountry;
        scope.countries = {
          'Afghanistan': '+93',
          'Albania': '+355',
          'Algeria': '+213',
          'American Samoa': '+684',
          'Andorra': '+376',
          'Angola': '+244',
          'Anguilla': '+264',
          'Antarctica': '+672',
          'Antigua and Barbuda': '+268',
          'Argentina': '+54',
          'Armenia': '+374',
          'Aruba': '+297',
          'Australia': '+61',
          'Austria': '+43',
          'Azerbaijan': '+994',
          'Bahamas': '+242',
          'Bahrain': '+973',
          'Bangladesh': '+880',
          'Barbados': '+246',
          'Belarus': '+375',
          'Belgium': '+32',
          'Belize': '+501',
          'Benin': '+229',
          'Bermuda': '+441',
          'Bhutan': '+975',
          'Bolivia, Plurinational State of': '+591',
          'Bonaire, Sint Eustatius and Saba': '+599',
          'Bosnia and Herzegovina': '+387',
          'Botswana': '+267',
          'Bouvet Island': '+47',
          'Brazil': '+55',
          'British Indian Ocean Territory': '+246',
          'Brunei Darussalam': '+673',
          'Bulgaria': '+359',
          'Burkina Faso': '+226',
          'Burundi': '+257',
          'Cambodia': '+855',
          'Cameroon': '+237',
          'Canada': '+1',
          'Cape Verde': '+238',
          'Cayman Islands': '+345',
          'Central African Republic': '+236',
          'Chad': '+235',
          'Chile': '+56',
          'China': '+86',
          'Christmas Island': '+61',
          'Cocos (Keeling) Islands': '+891',
          'Colombia': '+57',
          'Comoros': '+269',
          'Congo': '+242',
          'Congo, the Democratic Republic of the': '+243',
          'Cook Islands': '+682',
          'Costa Rica': '+506',
          'Croatia': '+385',
          'Cuba': '+53',
          'Curaçao': '+599',
          'Cyprus': '+357',
          'Czech Republic': '+420',
          'Côte d\'Ivoire': '+225',
          'Denmark': '+45',
          'Djibouti': '+253',
          'Dominica': '+767',
          'Dominican Republic': '+809',
          'Ecuador': '+593',
          'Egypt': '+20',
          'El Salvador': '+503',
          'Equatorial Guinea': '+240',
          'Eritrea': '+291',
          'Estonia': '+372',
          'Ethiopia': '+251',
          'Falkland Islands (Malvinas)': '+500',
          'Faroe Islands': '+298',
          'Fiji': '+679',
          'Finland': '+358',
          'France': '+33',
          'French Guiana': '+594',
          'French Polynesia': '+689',
          'French Southern Territories': '+689',
          'Gabon': '+241',
          'Gambia': '+220',
          'Georgia': '+995',
          'Germany': '+49',
          'Ghana': '+233',
          'Gibraltar': '+350',
          'Greece': '+30',
          'Greenland': '+299',
          'Grenada': '+473',
          'Guadeloupe': '+590',
          'Guam': '+671',
          'Guatemala': '+502',
          'Guernsey': '+1481',
          'Guinea': '+225',
          'Guinea-Bissau': '+245',
          'Guyana': '+592',
          'Haiti': '+509',
          'Heard Island and McDonald Islands': '+61',
          'Holy See (Vatican City State)': '+379',
          'Honduras': '+504',
          'Hong Kong': '+852',
          'Hungary': '+36',
          'Iceland': '+354',
          'India': '+91',
          'Indonesia': '+62',
          'Iran, Islamic Republic of': '+98',
          'Iraq': '+964',
          'Ireland': '+353',
          'Isle of Man': '+44',
          'Israel': '+972',
          'Italy': '+39',
          'Jamaica': '+876',
          'Japan': '+81',
          'Jersey': '+44',
          'Jordan': '+962',
          'Kazakhstan': '+7',
          'Kenya': '+254',
          'Kiribati': '+686',
          'Korea, Democratic People\'s Republic of': '+850',
          'Korea, Republic of': '+82',
          'Kuwait': '+965',
          'Kyrgyzstan': '+996',
          'Lao People\'s Democratic Republic': '+856',
          'Latvia': '+371',
          'Lebanon': '+961',
          'Lesotho': '+266',
          'Liberia': '+231',
          'Libya': '+218',
          'Liechtenstein': '+423',
          'Lithuania': '+370',
          'Luxembourg': '+352',
          'Macao': '+853',
          'Macedonia, The Former Yugoslav Republic of': '+389',
          'Madagascar': '+261',
          'Malawi': '+265',
          'Malaysia': '+60',
          'Maldives': '+960',
          'Mali': '+223',
          'Malta': '+356',
          'Marshall Islands': '+692',
          'Martinique': '+596',
          'Mauritania': '+222',
          'Mauritius': '+230',
          'Mayotte': '+262',
          'Mexico': '+52',
          'Micronesia, Federated States of': '+691',
          'Moldova, Republic of': '+373',
          'Monaco': '+355',
          'Mongolia': '+976',
          'Montenegro': '+382',
          'Montserrat': '+664',
          'Morocco': '+212',
          'Mozambique': '+258',
          'Myanmar': '+95',
          'Namibia': '+264',
          'Nauru': '+674',
          'Nepal': '+977',
          'Netherlands': '+31',
          'New Caledonia': '+687',
          'New Zealand': '+64',
          'Nicaragua': '+505',
          'Niger': '+277',
          'Nigeria': '+234',
          'Niue': '+683',
          'Norfolk Island': '+672',
          'Northern Mariana Islands': '+670',
          'Norway': '+47',
          'Oman': '+968',
          'Pakistan': '+92',
          'Palau': '+680',
          'Palestinian Territory, Occupied': '+970',
          'Panama': '+507',
          'Papua New Guinea': '+675',
          'Paraguay': '+595',
          'Peru': '+51',
          'Philippines': '+63',
          'Pitcairn': '+872',
          'Poland': '+48',
          'Portugal': '+351',
          'Puerto Rico': '+787',
          'Qatar': '+974',
          'Romania': '+40',
          'Russian Federation': '+7',
          'Rwanda': '+250',
          'Réunion': '+262',
          'Saint Barthélemy': '+590',
          'Saint Helena, Ascension and Tristan da Cunha': '+290',
          'Saint Kitts and Nevis': '+869',
          'Saint Lucia': '+758',
          'Saint Martin (French part)': '+590',
          'Saint Pierre and Miquelon': '+508',
          'Saint Vincent and the Grenadines': '+784',
          'Samoa': '+685',
          'San Marino': '+378',
          'Sao Tome and Principe': '+239',
          'Saudi Arabia': '+966',
          'Senegal': '+221',
          'Serbia': '+381',
          'Seychelles': '+248',
          'Sierra Leone': '+232',
          'Singapore': '+65',
          'Sint Maarten (Dutch part)': '+599',
          'Slovakia': '+421',
          'Slovenia': '+386',
          'Solomon Islands': '+677',
          'Somalia': '+252',
          'South Africa': '+27',
          'South Georgia and the South Sandwich Islands': '+500',
          'South Sudan': '+211',
          'Spain': '+34',
          'Sri Lanka': '+94',
          'Sudan': '+249',
          'Suriname': '+597',
          'Svalbard and Jan Mayen': '+47',
          'Swaziland': '+268',
          'Sweden': '+46',
          'Switzerland': '+41',
          'Syrian Arab Republic': '+963',
          'Taiwan, Province of China': '+886',
          'Tajikistan': '+992',
          'Tanzania, United Republic of': '+255',
          'Thailand': '+66',
          'Timor-Leste': '+670',
          'Togo': '+228',
          'Tokelau': '+690',
          'Tonga': '+676',
          'Trinidad and Tobago': '+868',
          'Tunisia': '+216',
          'Turkey': '+90',
          'Turkmenistan': '+993',
          'Turks and Caicos Islands': '+649',
          'Tuvalu': '+688',
          'Uganda': '+256',
          'Ukraine': '+380',
          'United Arab Emirates': '+971',
          'United Kingdom': '+44',
          'United States': '+1',
          'United States Minor Outlying Islands': '+1',
          'Uruguay': '+598',
          'Uzbekistan': '+998',
          'Vanuatu': '+678',
          'Venezuela, Bolivarian Republic of': '+58',
          'Viet Nam': '+84',
          'Virgin Islands, British': '+284',
          'Virgin Islands, U.S.': '+340',
          'Wallis and Futuna': '+681',
          'Western Sahara': '+212',
          'Yemen': '+967',
          'Zambia': '+260',
          'Zimbabwe': '+263',
          'Åland Islands': '+358',
        };
        if (!!attrs.ngModel) {
          assignCountry = $parse(attrs.ngModel).assign;
          elem.bind('change', function(e) {
            return assignCountry(e.val());
          });
          return scope.$watch(attrs.ngModel, function(country) {
            return elem.val(country);
          });
        }
      }
    };
  }
]);