Date formatting using locale.

lib/lang.js

@@ -0,0 +1,23 @@
+import enMessages from 'lang-compiled/en.json';
+import zhCNMessages from 'lang-compiled/zh-CN.json';
+import { format } from 'date-fns';
+import { enUS, zhCN } from 'date-fns/locale';
+
+export const messages = {
+  en: enMessages,
+  'zh-CN': zhCNMessages,
+};
+
+export const dateLocales = {
+  en: enUS,
+  'zh-CN': zhCN,
+};
+
+export const menuOptions = [
+  { label: 'English', value: 'en', display: 'EN' },
+  { label: '中文 (Chinese Simplified)', value: 'zh-CN', display: '中文' },
+];
+
+export function dateFormat(date, str, locale) {
+  return format(date, str, { locale: dateLocales[locale] || enUS });
+}