Fix links in header

Author: linkdotnet

src/LinkDotNet.Blog.Web/Features/MarkdownConverter.cs

@@ -3,6 +3,7 @@
 using System.Text;
 using Markdig;
 using Markdig.Extensions.AutoIdentifiers;
+using Markdig.Helpers;
 using Markdig.Renderers.Html;
 using Markdig.Syntax;
 using Markdig.Syntax.Inlines;
@@ -51,14 +52,14 @@ private static string InlineToString(ContainerInline inline)
         var current = inline.FirstChild;
         while (current is not null)
         {
-            if (current is CodeInline cd)
+            var text = current switch
             {
-                sb.Append(cd.Content);
-            }
-            else
-            {
-                sb.Append(current);
-            }
+                CodeInline cd => cd.Content,
+                LinkInline link => link.FirstChild?.ToString(),
+                _ => current.ToString()
+            };
+
+            sb.Append(text);
 
             current = current.NextSibling;
         }

tests/LinkDotNet.Blog.UnitTests/Web/Features/ShowBlogPost/Components/TableOfContentsTests.cs

@@ -65,4 +65,17 @@ public void ShouldCreateCorrectTocWithCodeInHeadings()
         var link = cut.Find("nav a");
         link.TextContent.Should().Be("This is Header 1");
     }
+    
+    [Fact]
+    public void ShouldCreateCorrectTocWithLinkInHeadings()
+    {
+        const string content = "# [This is a link](https://link.com)";
+        
+        var cut = Render<TableOfContents>(p => p
+            .Add(x => x.Content, content)
+            .Add(x => x.CurrentUri, "https://localhost"));
+        
+        var link = cut.Find("nav a");
+        link.TextContent.Should().Be("This is a link");
+    }
 }