From e0516e3f5c7229062720b348da5063bde994861f Mon Sep 17 00:00:00 2001
From: Peter Cottle <pcottle@fb.com>
Date: Wed, 7 May 2014 17:45:17 -0700
Subject: [PATCH] [INTL] Fallback locale map for PR #169

---
 src/js/intl/index.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/js/intl/index.js b/src/js/intl/index.js
index 49bec6ec..42ae86b0 100644
--- a/src/js/intl/index.js
+++ b/src/js/intl/index.js
@@ -9,6 +9,10 @@ var getDefaultLocale = exports.getDefaultLocale = function() {
   return 'en_US';
 };
 
+var fallbackMap = {
+  'zh_TW': 'zh_CN'
+};
+
 var getLocale = exports.getLocale = function() {
   if (GlobalState.locale) {
     return GlobalState.locale;
@@ -44,6 +48,11 @@ var str = exports.str = function(key, params) {
     return 'NO INTL support for key ' + key;
   }
 
+  if (!strings[key][locale]) {
+    // try falling back to another locale if in the map
+    locale = fallbackMap[locale] || locale;
+  }
+
   if (!strings[key][locale]) {
     if (key !== 'error-untranslated') {
       return str('error-untranslated');