- Add SampleLibrary project that uses source generator via project reference. This verifies that it compiles correctly when used for real.

- Change namespace of generated file so it does not clash with existing namespaces.
- Updated readme.

Author: CodingFlow

OptionsBindingsGenerator.slnx

@@ -1,5 +1,6 @@
 <Solution>
   <Project Path="OptionsBindingsGenerator.UnitTests/OptionsBindingsGenerator.UnitTests.csproj" />
   <Project Path="OptionsBindingsGenerator/OptionsBindingsGenerator.csproj" />
+  <Project Path="SampleLibrary/SampleLibrary.csproj" Id="208c9f38-b448-41b6-afc0-4e657c208f31" />
   <Project Path="TestLibrary/TestLibrary.csproj" />
 </Solution>

OptionsBindingsGenerator/OutputGenerator.cs

@@ -22,7 +22,7 @@ public static (string source, string className) GenerateOutput(ImmutableArray<IN
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 
-namespace CodingFlow.Generated.{namespaceId};
+namespace CodingFlow.Generated.OptionsBindingsGenerator.Generated{namespaceId};
 
 internal static class OptionsBindings
 {{

README.md

@@ -31,8 +31,8 @@ internal record NatsServiceOptions
 }
 ```
 
-An extension method called `AddOptionsBindings` containing all the required DI code will be generated in the namespace `CodingFlow.Generated.{assemblyName}`, where `{assemblyName}` will be the name of the assembly of one of the option types, which will most likely be the name of the project the option type is in.
-In this example, the fully qualified name will be `CodingFlow.Generated.TestLibrary.AddOptionsBindings`.
+An extension method called `AddOptionsBindings` containing all the required DI code will be generated in the namespace `CodingFlow.Generated.OptionsBindingsGenerator.Generated{assemblyName}`, where `{assemblyName}` will be the name of the assembly of one of the option types, which will most likely be the name of the project the option type is in.
+In this example, the fully qualified name will be `CodingFlow.Generated.OptionsBindingsGenerator.GeneratedTestLibrary.AddOptionsBindings`.
 
 A nonexistent options validator class will also be registered per options type with the attribute. In this example it's called `ValidateNatsServiceOptions`. Create the missing classes using the official [source generator attribute](https://learn.microsoft.com/en-us/dotnet/core/extensions/options-validation-generator) for generating performant options validation based on the data annotations in the options type:
 
@@ -50,7 +50,7 @@ internal partial class ValidateNatsServiceOptions : IValidateOptions<NatsService
 Finally, call the generated extension method in your application DI code:
 
 ```csharp
-using CodingFlow.Generated.TestLibrary;
+using CodingFlow.Generated.OptionsBindingsGenerator.GeneratedTestLibrary;
 
 var builder = Host.CreateApplicationBuilder(args);
 

SampleLibrary/Main.cs

@@ -0,0 +1,16 @@
+using CodingFlow.Generated.OptionsBindingsGenerator.GeneratedSampleLibrary;
+using Microsoft.Extensions.Hosting;
+
+namespace SampleLibrary;
+
+public class Main
+{
+    public void Run()
+    {
+        var builder = Host.CreateApplicationBuilder();
+
+        builder.Services.AddOptionsBindings(builder.Configuration);
+
+        using IHost host = builder.Build();
+    }
+}

SampleLibrary/NatsServiceOptions.cs

@@ -0,0 +1,13 @@
+using System.ComponentModel.DataAnnotations;
+using CodingFlow.OptionsBindingsGenerator;
+
+namespace SampleLibrary;
+
+[OptionsBindings(false, "Services:Nats")]
+internal record NatsServiceOptions
+{
+    [Required]
+    public required string ServiceHost { get; init; }
+
+    public required string Port { get; init; }
+}

SampleLibrary/SampleLibrary.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\OptionsBindingsGenerator\OptionsBindingsGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="true" />
+  </ItemGroup>
+
+</Project>

SampleLibrary/ValidateNatsServiceOption.cs

@@ -0,0 +1,8 @@
+using Microsoft.Extensions.Options;
+
+namespace SampleLibrary;
+
+[OptionsValidator]
+internal partial class ValidateNatsServiceOptions : IValidateOptions<NatsServiceOptions>
+{
+}

TestLibrary/OptionsBindings.cs

@@ -5,7 +5,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 
-namespace CodingFlow.Generated.TestProject;
+namespace CodingFlow.Generated.OptionsBindingsGenerator.GeneratedTestProject;
 
 internal static class OptionsBindings
 {