From 5f317130981dae1fb9048ffd457c54bbd4859352 Mon Sep 17 00:00:00 2001
From: Scott Baker <sbaker@trucktrax.com>
Date: Fri, 4 Oct 2024 10:56:07 -0700
Subject: [PATCH] fix compatibility issues

---
 CodeTimer.cs       |  2 +-
 StringUtilities.cs | 23 +++++++++++++++++------
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/CodeTimer.cs b/CodeTimer.cs
index 145cfe5..d4f6b08 100644
--- a/CodeTimer.cs
+++ b/CodeTimer.cs
@@ -19,7 +19,7 @@ public class CodeTimer : IDisposable
 
       private CodeTimer(string name)
       {
-         _name = string.IsNullOrWhiteSpace(name)
+         _name = name.IsNullOrWhiteSpace()
              ? throw new ArgumentException($"'{nameof(name)}' cannot be null or whitespace.", nameof(name))
              : name;
 
diff --git a/StringUtilities.cs b/StringUtilities.cs
index 6787e00..9f1ee7c 100644
--- a/StringUtilities.cs
+++ b/StringUtilities.cs
@@ -5,10 +5,21 @@
 
 namespace System
 {
-    public static class StringUtilities
-    {
-        public static bool IsNullOrEmpty(this string s) => string.IsNullOrEmpty(s);
-        public static bool IsNullOrWhiteSpace(this string s) => string.IsNullOrWhiteSpace(s);
-        public static bool Contains(this string s, string value, StringComparison comparison) => s.IndexOf(value, comparison) >= 0;
-    }
+   public static class StringUtilities
+   {
+      public static bool IsNullOrEmpty(this string s) => string.IsNullOrEmpty(s);
+      public static bool IsNullOrWhiteSpace(this string value)
+      {
+         if (value == null) return true;
+
+         for (int i = 0; i < value.Length; i++)
+         {
+            if (!Char.IsWhiteSpace(value[i])) return false;
+         }
+
+         return true;
+      }
+
+      public static bool Contains(this string s, string value, StringComparison comparison) => s.IndexOf(value, comparison) >= 0;
+   }
 }