Fix stack overflow in ToThaiWords(int, bool) extension method

Distractive.Formatters.Tests/Distractive.Formatters.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>
 
     <IsPackable>false</IsPackable>

Distractive.Formatters.Tests/FormatterExtensionsTests.cs

@@ -16,5 +16,22 @@ public void ExtensionTests()
             Assert.Equal("หนึ่ง", 1L.ToThaiWords());
             Assert.Equal("หนึ่ง", 1.ToThaiWords());
         }
+
+        [Theory]
+        [InlineData(42, "สี่สิบสอง")]
+        [InlineData(101, "หนึ่งร้อยหนึ่ง")]
+        [InlineData(121, "หนึ่งร้อยยี่สิบเอ็ด")]
+        [InlineData(1001, "หนึ่งพันหนึ่ง")]
+        public void ToThaiWords_IntWithBoolParameter_ShouldNotCauseStackOverflow(int value, string expected)
+        {
+            // This test ensures that the ToThaiWords(int, bool) method 
+            // doesn't cause stack overflow by calling itself recursively
+            string result = value.ToThaiWords(true);
+            Assert.Equal(expected, result);
+
+            // Also verify it matches the long version behavior
+            string longResult = ((long)value).ToThaiWords(true);
+            Assert.Equal(longResult, result);
+        }
     }
 }

Distractive.Formatters/Distractive.Formatters.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
-		<TargetFrameworks>net6.0;netstandard2.0;netstandard2.1</TargetFrameworks>
+		<TargetFrameworks>net8.0;net6.0;netstandard2.0;netstandard2.1</TargetFrameworks>
 		<Nullable>enable</Nullable>
 		<LangVersion>11</LangVersion>
 		<GeneratePackageOnBuild>False</GeneratePackageOnBuild>

Distractive.Formatters/FormatterExtensions.cs

@@ -34,7 +34,7 @@ public static string ToBahtText(this decimal value,
         public static string ToThaiWords(this long value, bool useEtWithTensOnly) 
             => _formatters[useEtWithTensOnly ? 1 : 0].Format(value);
 
-        public static string ToThaiWords(this int value, bool useEtWithTensOnly) => ToThaiWords(value, useEtWithTensOnly);
+        public static string ToThaiWords(this int value, bool useEtWithTensOnly) => ToThaiWords((long)value, useEtWithTensOnly);
 
         public static string ToBahtText(this decimal value,
             bool useEtWithTensOnly) => _formatters[useEtWithTensOnly ? 1 : 0].GetBahtText(value);