Refactor in to static helper class

Author: reakaleek

src/Elastic.Markdown/Helpers/IdExtensions.cs

@@ -0,0 +1,13 @@
+// Licensed to Elasticsearch B.V under one or more agreements.
+// Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information
+
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Elastic.Markdown.Helpers;
+
+public static class ShortId
+{
+	public static string Create(params string[] text) => Convert.ToHexString(SHA256.HashData(Encoding.UTF8.GetBytes(string.Join("", text))))[..8];
+}

src/Elastic.Markdown/IO/MarkdownFile.cs

@@ -53,7 +53,7 @@ DocumentationSet set
 		_configurationFile = build.Configuration.SourceFile;
 		_globalSubstitutions = build.Configuration.Substitutions;
 		_set = set;
-		Id = Convert.ToHexString(SHA256.HashData(Encoding.UTF8.GetBytes(FilePath)))[..8];
+		Id = ShortId.Create(FilePath);
 		//may be updated by DocumentationGroup.ProcessTocItems
 		//todo refactor mutability of MarkdownFile as a whole
 		ScopeDirectory = build.Configuration.ScopeDirectory;

src/Elastic.Markdown/IO/Navigation/DocumentationGroup.cs

@@ -8,6 +8,7 @@
 using System.Text;
 using Elastic.Documentation;
 using Elastic.Documentation.Configuration.TableOfContents;
+using Elastic.Markdown.Helpers;
 
 namespace Elastic.Markdown.IO.Navigation;
 
@@ -198,7 +199,7 @@ protected DocumentationGroup(
 		GroupsInOrder = groups;
 		FilesInOrder = files;
 		NavigationItems = navigationItems;
-		Id = Convert.ToHexString(SHA256.HashData(Encoding.UTF8.GetBytes(NavigationSource + FolderName + depth)))[..8];
+		Id = ShortId.Create(NavigationSource.ToString(), FolderName);
 		if (Index is not null)
 			FilesInOrder = [.. FilesInOrder.Except([Index])];
 	}

src/Elastic.Markdown/Slices/Directives/_ViewModels.cs

@@ -4,6 +4,7 @@
 
 using System.Security.Cryptography;
 using System.Text;
+using Elastic.Markdown.Helpers;
 using Elastic.Markdown.Myst.Settings;
 
 namespace Elastic.Markdown.Slices.Directives;
@@ -64,7 +65,7 @@ public class ImageViewModel
 	public string UniqueImageId =>
 		_uniqueImageId ??= string.IsNullOrEmpty(ImageUrl)
 			? Guid.NewGuid().ToString("N")[..8] // fallback to a random ID if ImageUrl is null or empty
-			: Convert.ToHexString(SHA256.HashData(Encoding.UTF8.GetBytes(ImageUrl)))[..8];
+			: ShortId.Create(ImageUrl);
 	public required string? Screenshot { get; init; }
 
 	public string Style