Add: FileHandle.Reader

src/Lua/Standard/IO/FileHandle.cs

@@ -32,6 +32,7 @@ public class FileHandle : LuaUserData
     }
 
     public Stream Stream { get; }
+    public StreamReader? Reader { get; }
 
     static readonly LuaTable fileHandleMetatable;
 
@@ -44,6 +45,7 @@ public class FileHandle : LuaUserData
     public FileHandle(Stream stream)
     {
         Stream = stream;
+        if (stream.CanRead) Reader = new StreamReader(stream);
         Metatable = fileHandleMetatable;
     }
 }

src/Lua/Standard/IO/IOHelper.cs

@@ -59,7 +59,7 @@ internal static class IOHelper
 
         try
         {
-            var reader = new StreamReader(file.Stream);
+            var reader = file.Reader!;
 
             for (int i = 0; i < formats.Length; i++)
             {