Simplify exception handlong with new guards

Author: linkdotnet

src/LinkDotNet.Blog.Domain/Enumeration.cs

@@ -14,11 +14,7 @@ protected Enumeration()
 
     protected Enumeration(string key)
     {
-        if (string.IsNullOrWhiteSpace(key))
-        {
-            throw new ArgumentException("The enum key cannot be null or empty", nameof(key));
-        }
-
+        ArgumentException.ThrowIfNullOrWhiteSpace(key);
         Key = key;
     }
 

src/LinkDotNet.Blog.Domain/ProfileInformationEntry.cs

@@ -16,10 +16,7 @@ private ProfileInformationEntry()
 
     public static ProfileInformationEntry Create(string key, int sortOrder)
     {
-        if (string.IsNullOrWhiteSpace(key))
-        {
-            throw new ArgumentNullException(nameof(key));
-        }
+        ArgumentException.ThrowIfNullOrWhiteSpace(key);
 
         return new ProfileInformationEntry
         {

src/LinkDotNet.Blog.Domain/Skill.cs

@@ -26,15 +26,8 @@ private Skill(string name, string iconUrl, string capability, ProficiencyLevel p
 
     public static Skill Create(string name, string iconUrl, string capability, string proficiencyLevel)
     {
-        if (string.IsNullOrWhiteSpace(name))
-        {
-            throw new ArgumentNullException(nameof(name));
-        }
-
-        if (string.IsNullOrWhiteSpace(capability))
-        {
-            throw new ArgumentNullException(nameof(capability));
-        }
+        ArgumentException.ThrowIfNullOrWhiteSpace(name);
+        ArgumentException.ThrowIfNullOrWhiteSpace(capability);
 
         var level = ProficiencyLevel.Create(proficiencyLevel);
 

src/LinkDotNet.Blog.Domain/Tag.cs

@@ -14,10 +14,7 @@ private Tag()
 
     public static Tag Create(string content)
     {
-        if (string.IsNullOrWhiteSpace(content))
-        {
-            throw new ArgumentNullException(nameof(content));
-        }
+        ArgumentException.ThrowIfNullOrWhiteSpace(content);
 
         return new Tag
         {