fix: locale is in pageProps, not props

src/lib/withIntl.js

@@ -1,5 +1,5 @@
-import React, {Component} from 'react'
-import {IntlProvider, addLocaleData, injectIntl} from 'react-intl'
+import React, { Component } from 'react'
+import { IntlProvider, addLocaleData, injectIntl } from 'react-intl'
 import 'intl';
 import 'intl/locale-data/jsonp/en.js'; // for old browsers without window.Intl
 
@@ -27,8 +27,8 @@ export default (Page) => {
 
       // Get the `locale` and `messages` from the request object on the server.
       // In the browser, use the same values that the server serialized.
-      const {req} = context
-      const {locale, messages} = req || window.__NEXT_DATA__.props
+      const { req } = context;
+      const { locale, messages } = req || window.__NEXT_DATA__.props.pageProps;
 
       // Always update the current time on page load/transition because the
       // <IntlProvider> will be a new instance even with pushState routing.