From 0ca4d441d47f1fc7d183000f318d5956a32c4f65 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 8 Jul 2020 18:42:30 -0700
Subject: Better language detection

---
 modern/src/common/localization.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'modern/src/common')

diff --git a/modern/src/common/localization.js b/modern/src/common/localization.js
index 94e089d..8d17674 100644
--- a/modern/src/common/localization.js
+++ b/modern/src/common/localization.js
@@ -111,13 +111,19 @@ const supportedLanguages = {
 const languages = window.navigator.languages !== undefined ? window.navigator.languages.slice() : [];
 let language = window.navigator.userLanguage || window.navigator.language;
 languages.push(language);
-languages.push(language.substr(0, 2));
+languages.push(language.substring(0, 2));
 languages.push('en');
 for (let i = 0; i < languages.length; i++) {
     language = languages[i].replace('-', '_');
     if (language in supportedLanguages) {
         break;
     }
+    if (language.length > 2) {
+        language = languages[i].substring(0, 2);
+        if (language in locale.languages) {
+            break;
+        }
+    }
 }
 
 const selectedLanguage = supportedLanguages[language];
-- 
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