introduce HostContextBase

packages/Ignis.Components.Server/ServerHostContext.cs

@@ -1,16 +1,18 @@
-using Microsoft.AspNetCore.Http;
+using Ignis.Components.Extensions;
+using Microsoft.AspNetCore.Http;
 
 namespace Ignis.Components.Server;
 
-internal class ServerHostContext : IHostContext
+internal class ServerHostContext : HostContextBase
 {
     private readonly IHttpContextAccessor _httpContextAccessor;
 
-    public bool IsPrerendering => !_httpContextAccessor.HttpContext?.Response.HasStarted ?? false;
+    public override bool IsPrerendering => !_httpContextAccessor.HttpContext?.Response.HasStarted ?? false;
 
-    public bool IsServerSide => true;
+    public override bool IsServerSide => true;
 
-    public ServerHostContext(IHttpContextAccessor httpContextAccessor)
+    public ServerHostContext(IEnumerable<IComponentExtension> componentExtensions,
+        IHttpContextAccessor httpContextAccessor) : base(componentExtensions)
     {
         _httpContextAccessor = httpContextAccessor ?? throw new ArgumentNullException(nameof(httpContextAccessor));
     }

packages/Ignis.Components.WebAssembly/WebAssemblyHostContext.cs

@@ -1,8 +1,14 @@
-namespace Ignis.Components.WebAssembly;
+using Ignis.Components.Extensions;
 
-internal class WebAssemblyHostContext : IHostContext
+namespace Ignis.Components.WebAssembly;
+
+internal class WebAssemblyHostContext : HostContextBase
 {
-    public bool IsPrerendering => false;
+    public override bool IsPrerendering => false;
+
+    public override bool IsServerSide => false;
 
-    public bool IsServerSide => false;
+    public WebAssemblyHostContext(IEnumerable<IComponentExtension> componentExtensions) : base(componentExtensions)
+    {
+    }
 }

packages/Ignis.Components/HostContextBase.cs

@@ -0,0 +1,27 @@
+using Ignis.Components.Extensions;
+
+namespace Ignis.Components;
+
+public abstract class HostContextBase : IHostContext
+{
+    public abstract bool IsPrerendering { get; }
+
+    public abstract bool IsServerSide { get; }
+
+    public IEnumerable<IComponentExtension> ComponentExtensions { get; }
+
+    protected HostContextBase(IEnumerable<IComponentExtension> componentExtensions)
+    {
+        ComponentExtensions = componentExtensions ?? throw new ArgumentNullException(nameof(componentExtensions));
+    }
+
+    public void OnComponentUpdate(IgnisComponentBase component)
+    {
+        if (component == null) throw new ArgumentNullException(nameof(component));
+
+        foreach (var extension in ComponentExtensions)
+        {
+            extension.OnUpdate(component);
+        }
+    }
+}

packages/Ignis.Components/Ignis.Components.csproj

@@ -33,7 +33,7 @@
   <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
     <PackageReference Include="Microsoft.AspNetCore.Components" Version="7.0.9"/>
   </ItemGroup>
-  
+
   <ItemGroup>
     <PackageReference Include="Meziantou.Analyzer" Version="2.0.85"/>
   </ItemGroup>

tests/Ignis.Tests.Common/TestHostContext.cs

@@ -1,10 +1,15 @@
 using Ignis.Components;
+using Ignis.Components.Extensions;
 
 namespace Ignis.Tests.Common;
 
-internal class TestHostContext : IHostContext
+internal class TestHostContext : HostContextBase
 {
-    public bool IsPrerendering => false;
+    public override bool IsPrerendering => false;
 
-    public bool IsServerSide => true;
+    public override bool IsServerSide => true;
+
+    public TestHostContext(IEnumerable<IComponentExtension> componentExtensions) : base(componentExtensions)
+    {
+    }
 }