add MSBuild targets for auto-initializers in Kafka libraries

Author: hjgraca

libraries/src/AWS.Lambda.Powertools.Kafka.Avro/build/AWS.Lambda.Powertools.Kafka.Avro.targets

@@ -0,0 +1,42 @@
+<Project>
+  
+  <!-- Automatically inject a module initializer for the Kafka.Avro library -->
+  <Target Name="InjectKafkaAvroAutoInitializer" BeforeTargets="BeforeCompile">
+    
+    <!-- Generate the C# content directly -->
+    <PropertyGroup>
+      <GeneratedFileContent>// Generated by AWS Lambda Powertools Auto-Initializer
+using System.Runtime.CompilerServices%3B
+
+internal static class PowertoolsKafkaAvroAutoInitializer
+{
+    [ModuleInitializer]
+    internal static void Initialize()
+    {
+        try
+        {
+            // Force load the Powertools assembly by calling its initialization method
+            AWS.Lambda.Powertools.Kafka.Avro.Internal.EnvWrapper.SetExecutionEnvironment()%3B
+        }
+        catch
+        {
+            // Ignore errors - the assembly might not be available in all scenarios
+        }
+    }
+}</GeneratedFileContent>
+    </PropertyGroup>
+    
+    <!-- Write the generated file -->
+    <WriteLinesToFile 
+      File="$(IntermediateOutputPath)PowertoolsKafkaAvroAutoInitializer.g.cs" 
+      Lines="$(GeneratedFileContent)" 
+      Overwrite="true" />
+    
+    <!-- Include the generated file in compilation -->
+    <ItemGroup>
+      <Compile Include="$(IntermediateOutputPath)PowertoolsKafkaAvroAutoInitializer.g.cs" />
+    </ItemGroup>
+    
+  </Target>
+  
+</Project>

libraries/src/AWS.Lambda.Powertools.Kafka.Json/build/AWS.Lambda.Powertools.Kafka.Json.targets

@@ -0,0 +1,42 @@
+<Project>
+  
+  <!-- Automatically inject a module initializer for the Kafka.Json library -->
+  <Target Name="InjectKafkaJsonAutoInitializer" BeforeTargets="BeforeCompile">
+    
+    <!-- Generate the C# content directly -->
+    <PropertyGroup>
+      <GeneratedFileContent>// Generated by AWS Lambda Powertools Auto-Initializer
+using System.Runtime.CompilerServices%3B
+
+internal static class PowertoolsKafkaJsonAutoInitializer
+{
+    [ModuleInitializer]
+    internal static void Initialize()
+    {
+        try
+        {
+            // Force load the Powertools assembly by calling its initialization method
+            AWS.Lambda.Powertools.Kafka.Json.Internal.EnvWrapper.SetExecutionEnvironment()%3B
+        }
+        catch
+        {
+            // Ignore errors - the assembly might not be available in all scenarios
+        }
+    }
+}</GeneratedFileContent>
+    </PropertyGroup>
+    
+    <!-- Write the generated file -->
+    <WriteLinesToFile 
+      File="$(IntermediateOutputPath)PowertoolsKafkaJsonAutoInitializer.g.cs" 
+      Lines="$(GeneratedFileContent)" 
+      Overwrite="true" />
+    
+    <!-- Include the generated file in compilation -->
+    <ItemGroup>
+      <Compile Include="$(IntermediateOutputPath)PowertoolsKafkaJsonAutoInitializer.g.cs" />
+    </ItemGroup>
+    
+  </Target>
+  
+</Project>

libraries/src/AWS.Lambda.Powertools.Kafka.Protobuf/build/AWS.Lambda.Powertools.Kafka.Protobuf.targets

@@ -0,0 +1,42 @@
+<Project>
+  
+  <!-- Automatically inject a module initializer for the Kafka.Protobuf library -->
+  <Target Name="InjectKafkaProtobufAutoInitializer" BeforeTargets="BeforeCompile">
+    
+    <!-- Generate the C# content directly -->
+    <PropertyGroup>
+      <GeneratedFileContent>// Generated by AWS Lambda Powertools Auto-Initializer
+using System.Runtime.CompilerServices%3B
+
+internal static class PowertoolsKafkaProtobufAutoInitializer
+{
+    [ModuleInitializer]
+    internal static void Initialize()
+    {
+        try
+        {
+            // Force load the Powertools assembly by calling its initialization method
+            AWS.Lambda.Powertools.Kafka.Protobuf.Internal.EnvWrapper.SetExecutionEnvironment()%3B
+        }
+        catch
+        {
+            // Ignore errors - the assembly might not be available in all scenarios
+        }
+    }
+}</GeneratedFileContent>
+    </PropertyGroup>
+    
+    <!-- Write the generated file -->
+    <WriteLinesToFile 
+      File="$(IntermediateOutputPath)PowertoolsKafkaProtobufAutoInitializer.g.cs" 
+      Lines="$(GeneratedFileContent)" 
+      Overwrite="true" />
+    
+    <!-- Include the generated file in compilation -->
+    <ItemGroup>
+      <Compile Include="$(IntermediateOutputPath)PowertoolsKafkaProtobufAutoInitializer.g.cs" />
+    </ItemGroup>
+    
+  </Target>
+  
+</Project>