From 81aca67745d541e276cfa05efe57e52e9f5a5d0e Mon Sep 17 00:00:00 2001
From: Gary Wang <git@blumia.net>
Date: Wed, 11 Sep 2024 23:36:56 +0800
Subject: [PATCH] feat(i18n): able to finetune transliterator (#12378)

---
 src/Jellyfin.Extensions/StringExtensions.cs | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/Jellyfin.Extensions/StringExtensions.cs b/src/Jellyfin.Extensions/StringExtensions.cs
index 8cfebd594d..4b9677d9f4 100644
--- a/src/Jellyfin.Extensions/StringExtensions.cs
+++ b/src/Jellyfin.Extensions/StringExtensions.cs
@@ -9,8 +9,21 @@ namespace Jellyfin.Extensions
     /// </summary>
     public static partial class StringExtensions
     {
-        private static readonly Lazy<Transliterator> _transliterator = new(() => Transliterator.GetInstance(
-            "Any-Latin; Latin-Ascii; Lower; NFD; [:Nonspacing Mark:] Remove; [:Punctuation:] Remove;"));
+        private static readonly Lazy<string> _transliteratorId = new(() =>
+            Environment.GetEnvironmentVariable("JELLYFIN_TRANSLITERATOR_ID")
+            ?? "Any-Latin; Latin-Ascii; Lower; NFD; [:Nonspacing Mark:] Remove; [:Punctuation:] Remove;");
+
+        private static readonly Lazy<Transliterator?> _transliterator = new(() =>
+        {
+            try
+            {
+                return Transliterator.GetInstance(_transliteratorId.Value);
+            }
+            catch (ArgumentException)
+            {
+                return null;
+            }
+        });
 
         // Matches non-conforming unicode chars
         // https://mnaoumov.wordpress.com/2014/06/14/stripping-invalid-characters-from-utf-16-strings/
@@ -108,7 +121,7 @@ namespace Jellyfin.Extensions
         /// <returns>The transliterated string.</returns>
         public static string Transliterated(this string text)
         {
-            return _transliterator.Value.Transliterate(text);
+            return (_transliterator.Value is null) ? text : _transliterator.Value.Transliterate(text);
         }
     }
 }