[browser] Wasm SDK packed as a nuget package (#84761)

* [browser] Wasm SDK packed as a nuget package (#84082)

* Update pattern for matching RidAgnosticNupkgToPublishFile to include Microsoft.NET.Sdk.WebAssembly.Pack

src/installer/prepare-artifacts.proj

@@ -248,6 +248,7 @@
       <RidAgnosticNupkgToPublishFile
         Include="
           $(DownloadDirectory)**\Microsoft.NET.Workload.Mono.Toolchain.*Manifest-*.nupkg;
+          $(DownloadDirectory)**\Microsoft.NET.Sdk.WebAssembly.Pack.*.nupkg;
           $(DownloadDirectory)*\$(PublishRidAgnosticPackagesFromPlatform)\**\*.nupkg;
           $(DownloadDirectory)*\*AllConfigurations\**\*.nupkg"
         Exclude="@(RuntimeNupkgFile);@(DownloadedSymbolNupkgFile)" />

src/mono/nuget/Microsoft.NET.Runtime.WebAssembly.Sdk/Sdk/Sdk.props

@@ -1,5 +1,5 @@
 <Project>
-  <PropertyGroup Condition="'$(UsingMicrosoftNETSdkBlazorWebAssembly)' != 'true'">
+  <PropertyGroup Condition="'$(UsingMicrosoftNETSdkBlazorWebAssembly)' != 'true' and '$(UsingMicrosoftNETSdkWebAssembly)' != 'true'">
     <TargetArchitecture>wasm</TargetArchitecture>
     <TargetOS>browser</TargetOS>
     <UseMonoRuntime>true</UseMonoRuntime>

src/mono/nuget/Microsoft.NET.Runtime.WebAssembly.Sdk/Sdk/Sdk.targets.in

@@ -9,7 +9,7 @@
     <WasmAppHostDir>$([MSBuild]::NormalizeDirectory($(MSBuildThisFileDirectory), '..', 'WasmAppHost'))</WasmAppHostDir>
 
     <!-- only for non-blazor projects -->
-    <WasmEmitSymbolMap Condition="'$(UsingMicrosoftNETSdkBlazorWebAssembly)' != 'true' and '$(WasmEmitSymbolMap)' == '' and '$(RunAOTCompilation)' != 'true'">true</WasmEmitSymbolMap>
+    <WasmEmitSymbolMap Condition="'$(UsingMicrosoftNETSdkBlazorWebAssembly)' != 'true' and '$(UsingMicrosoftNETSdkWebAssembly)' != 'true' and '$(WasmEmitSymbolMap)' == '' and '$(RunAOTCompilation)' != 'true'">true</WasmEmitSymbolMap>
   </PropertyGroup>
 
   <Import Project="$(MSBuildThisFileDirectory)\WasmApp.props" />

src/mono/nuget/Microsoft.NET.Sdk.WebAssembly.Pack/Microsoft.NET.Sdk.WebAssembly.Pack.pkgproj

@@ -0,0 +1,14 @@
+<Project DefaultTargets="Build">
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
+
+  <PropertyGroup>
+    <PackageDescription>SDK for building and publishing WebAssembly applications.</PackageDescription>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="$(RepoTasksDir)Microsoft.NET.Sdk.WebAssembly.Pack.Tasks\Microsoft.NET.Sdk.WebAssembly.Pack.Tasks.csproj" />
+    <PackageFile Include="build\*.props;build\*.targets;build\*.web.config" TargetPath="build" />
+  </ItemGroup>
+
+  <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.targets))" />
+</Project>

src/mono/nuget/Microsoft.NET.Sdk.WebAssembly.Pack/build/Microsoft.NET.Sdk.WebAssembly.Browser.props

@@ -0,0 +1,43 @@
+<!--
+***********************************************************************************************
+Microsoft.NET.Sdk.WebAssembly.props
+
+WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and have
+          created a backup copy.  Incorrect changes to this file will make it
+          impossible to load or build your projects from the command-line or the IDE.
+
+Copyright (c) .NET Foundation. All rights reserved.
+***********************************************************************************************
+-->
+<Project ToolsVersion="14.0" TreatAsLocalProperty="RuntimeIdentifier">
+  <PropertyGroup>
+    <!-- Avoid having the rid show up in output paths -->
+    <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
+
+    <OutputType>exe</OutputType>
+
+    <IsPackable>false</IsPackable>
+
+    <WarnOnPackingNonPackableProject>false</WarnOnPackingNonPackableProject>
+
+    <!-- Turn off symbol publishing by default -->
+    <CopyOutputSymbolsToPublishDirectory>false</CopyOutputSymbolsToPublishDirectory>
+
+    <!-- Trimmer defaults -->
+    <PublishTrimmed Condition="'$(PublishTrimmed)' == ''">true</PublishTrimmed>
+    <TrimMode Condition="'$(TrimMode)' == ''">partial</TrimMode>
+    <TrimmerRemoveSymbols Condition="'$(TrimmerRemoveSymbols)' == ''">false</TrimmerRemoveSymbols>
+
+    <!-- Static web assets defaults -->
+    <StaticWebAssetBasePath Condition="'$(StaticWebAssetBasePath)' == ''">/</StaticWebAssetBasePath>
+    <StaticWebAssetProjectMode Condition="'$(StaticWebAssetProjectMode)' == ''">Root</StaticWebAssetProjectMode>
+    <StaticWebAssetsAdditionalBuildPropertiesToRemove>$(StaticWebAssetsAdditionalBuildPropertiesToRemove);RuntimeIdentifier;SelfContained</StaticWebAssetsAdditionalBuildPropertiesToRemove>
+    <StaticWebAssetsGetPublishAssetsTargets>ComputeFilesToPublish;GetCurrentProjectPublishStaticWebAssetItems</StaticWebAssetsGetPublishAssetsTargets>
+    <StaticWebAssetsAdditionalPublishProperties>$(StaticWebAssetsAdditionalPublishProperties);BuildProjectReferences=false;ResolveAssemblyReferencesFindRelatedSatellites=true</StaticWebAssetsAdditionalPublishProperties>
+    <StaticWebAssetsAdditionalPublishPropertiesToRemove>$(StaticWebAssetsAdditionalPublishPropertiesToRemove);NoBuild;RuntimeIdentifier</StaticWebAssetsAdditionalPublishPropertiesToRemove>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectCapability Include="WebAssembly" />
+  </ItemGroup>
+</Project>