refactor: improve the performance of ToKebab method (#6)

* ⚡ refactor: improve performance for to-kebab regex * improve * remove unused code
capdiem · Jan 9, 2024 · e5c988b · e5c988b
1 parent 165dbba
commit e5c988b
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Showing 2 changed files with 12 additions and 3 deletions.
diff --git a/BemIt/BemIt.csproj b/BemIt/BemIt.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
         <Nullable>enable</Nullable>
         <Description>Helps you organize and write CSS using BEM, especially in Blazor.</Description>
         <PackageId>BemIt</PackageId>

diff --git a/BemIt/Extensions/StringExtensions.cs b/BemIt/Extensions/StringExtensions.cs
@@ -3,11 +3,20 @@
 
 namespace BemIt;
 
-public static class StringExtensions
+public static partial class StringExtensions
 {
     public static string ToKebab(this string name)
     {
-        var split = new Regex("(?<!^)(?=[A-Z])").Split(name).Select(s => s.Trim('-'));
+#if NET7_0_OR_GREATER
+        var split = MyRegex().Split(name).Select(s => s.Trim('-'));
+#else
+        var split = Regex.Split(name, "(?<!^)(?=[A-Z])").Select(s => s.Trim('-'));
+#endif
         return string.Join("-", split).ToLowerInvariant();
     }
+#if NET7_0_OR_GREATER
+
+    [GeneratedRegex("(?<!^)(?=[A-Z])")]
+    private static partial Regex MyRegex();
+#endif
 }