intl polyfill

package-lock.json

@@ -5214,6 +5214,11 @@
       "integrity": "sha1-/s16GOfOXKar+5U+H4YhOknxYls=",
       "dev": true
     },
+    "intl": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/intl/-/intl-1.2.5.tgz",
+      "integrity": "sha1-giRKIZDE5Bn4Nx9ao02qNCDiq94="
+    },
     "intl-format-cache": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/intl-format-cache/-/intl-format-cache-2.0.5.tgz",

package.json

@@ -53,6 +53,7 @@
     "core-js": "^2.5.1",
     "enquire": "^0.0.2",
     "install": "^0.8.7",
+    "intl": "^1.2.5",
     "js-yaml": "^3.8.1",
     "react": "^15.4.2",
     "react-dom": "^15.4.2",

src/index.js

 import 'core-js/shim'
+import 'intl'
+import 'intl/locale-data/jsonp/en.js'
+import 'intl/locale-data/jsonp/zh-Hans.js'
 import React from 'react'
 import ReactDOM from 'react-dom'
 import App from './App'