问使用areIntlLocalesSupported和Browerify/webpack添加局部变量的正确方法是什么？

EN

// Intl polyfill
var areIntlLocalesSupported = require('intl-locales-supported');

var localesMyAppSupports = [
/* list locales here */
   'en-US',
   'bg-BG',
   'zh-Hans-CN',
   'ha-Arab',
   'fr-FR',
   'ru-RU',
   'de-DE',
   'eu-ES'
];

if (global.Intl) {
// Determine if the built-in `Intl` has the locale data we need.
if (!areIntlLocalesSupported(localesMyAppSupports)) {
    // `Intl` exists, but it doesn't have the data we need, so load the
    // polyfill and replace the constructors with need with the polyfill's.
    global.Intl = require('intl');
    Intl.NumberFormat   = IntlPolyfill.NumberFormat;
    Intl.DateTimeFormat = IntlPolyfill.DateTimeFormat;
   }
 } else {
// No `Intl`, so use and load the polyfill.
global.Intl = require('intl');

require('intl/locale-data/jsonp/en-US.js');
require('intl/locale-data/jsonp/bg-BG.js');
//"zh-Hans-CN": Chinese written in simplified characters as used in China.
require('intl/locale-data/jsonp/zh-Hans-CN.js');
require('intl/locale-data/jsonp/ha-Arab.js');
require('intl/locale-data/jsonp/fr-FR.js');
require('intl/locale-data/jsonp/ru-RU.js');
require('intl/locale-data/jsonp/de-DE.js');
require('intl/locale-data/jsonp/eu-ES.js');
}