JCO sample

src/mono/sample/wasi/Directory.Build.props

@@ -15,6 +15,12 @@
 
   <PropertyGroup>
     <OutputPath>bin</OutputPath>
+    <_ScriptExt Condition="'$(OS)' == 'Windows_NT'">.cmd</_ScriptExt>
+    <_ScriptExt Condition="'$(OS)' != 'Windows_NT'">.sh</_ScriptExt>
+    <_Dotnet>$(RepoRoot)dotnet$(_ScriptExt)</_Dotnet>
+    <_ExeExt Condition="$([MSBuild]::IsOSPlatform('WINDOWS'))">.exe</_ExeExt>
+    <_Nodejs>$(RepoRoot)node$(_ScriptExt)</_Nodejs>
+    <_Npm>$(RepoRoot)npm$(_ScriptExt)</_Npm>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)' == 'Debug'">
     <WasiNativeStrip>false</WasiNativeStrip>

src/mono/sample/wasi/Directory.Build.targets

@@ -8,7 +8,6 @@
     <_SampleProjectName>$([System.String]::Copy('$(_SampleProject)').Replace('.csproj',''))</_SampleProjectName>
     <_MONO_LOG_LEVEL Condition="false">--env MONO_LOG_LEVEL=debug --env MONO_LOG_MASK=all</_MONO_LOG_LEVEL>
     <_DOTNET_WASI_PRINT_EXIT_CODE>--env DOTNET_WASI_PRINT_EXIT_CODE=1</_DOTNET_WASI_PRINT_EXIT_CODE>
-    <_ExeExt Condition="$([MSBuild]::IsOSPlatform('WINDOWS'))">.exe</_ExeExt>
   </PropertyGroup>
 
   <Target Name="BuildSampleInTree"
@@ -22,9 +21,6 @@
       bin/$(Configuration)/AppBundle/dotnet.native.wasm;
       ">
     <PropertyGroup>
-      <_ScriptExt Condition="'$(OS)' == 'Windows_NT'">.cmd</_ScriptExt>
-      <_ScriptExt Condition="'$(OS)' != 'Windows_NT'">.sh</_ScriptExt>
-      <_Dotnet>$(RepoRoot)dotnet$(_ScriptExt)</_Dotnet>
       <_AOTFlag Condition="'$(RunAOTCompilation)' != ''">/p:RunAOTCompilation=$(RunAOTCompilation)</_AOTFlag>
     </PropertyGroup>
     <Exec Command="$(_Dotnet) publish -bl:publish.binlog /p:Configuration=$(Configuration) /p:TargetArchitecture=wasm /p:TargetOS=wasi $(_AOTFlag) $(_SampleProject)" />
@@ -55,5 +51,26 @@
       IgnoreExitCode="true" />
   </Target>
 
+  <Target Name="TranspileJCO"
+      Inputs="
+      Program.cs;
+      $(_SampleProject);
+      $(MSBuildProjectFile);
+      $(TargetFileName);
+      bin/$(Configuration)/AppBundle/dotnet.native.wasm;
+      "
+      Outputs="
+      bin/$(Configuration)/JCOBundle/dotnet.native.wasm;
+      ">
+    <Exec Command="npm run transpile" 
+          WorkingDirectory="$(MSBuildProjectDirectory)" />
+  </Target>
+
+
+  <Target Name="RunSampleWithNodeJS" DependsOnTargets="BuildSampleInTree;TranspileJCO">
+    <Exec Command="npm run run" 
+          WorkingDirectory="$(MSBuildProjectDirectory)" />
+  </Target>
+
   <Import Project="$(RepositoryEngineeringDir)testing\wasi-provisioning.targets" />
 </Project>

src/mono/sample/wasi/jco/Program.cs

@@ -0,0 +1,41 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.Net.Http.Headers;
+using System.Net.Http;
+using System.Threading.Tasks;
+using System.Threading;
+using System.Runtime.CompilerServices;
+
+// keep in sync with src\mono\wasi\testassets\Http.cs
+public static class WasiMainWrapper
+{
+    public static async Task<int> MainAsync(string[] args)
+    {
+        await Task.Delay(100);
+
+        using HttpClient client = new();
+        client.DefaultRequestHeaders.Accept.Clear();
+        client.DefaultRequestHeaders.Add("User-Agent", "dotnet WASI unit test");
+
+        var query="https://corefx-net-http11.azurewebsites.net/Echo.ashx";
+        var json = await client.GetStringAsync(query);
+
+        Console.WriteLine();
+        Console.WriteLine("GET "+query);
+        Console.WriteLine();
+        Console.WriteLine(json);
+
+        return 0;
+    }
+
+    public static int Main(string[] args)
+    {
+        return PollWasiEventLoopUntilResolved((Thread)null!, MainAsync(args));
+
+        [UnsafeAccessor(UnsafeAccessorKind.StaticMethod, Name = "PollWasiEventLoopUntilResolved")]
+        static extern int PollWasiEventLoopUntilResolved(Thread t, Task<int> mainTask);
+    }
+
+}

src/mono/sample/wasi/jco/Wasi.Jco.Http.Sample.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
+    <_WasiNeedsHttp>true</_WasiNeedsHttp>
+    <WasmSingleFileBundle>true</WasmSingleFileBundle>
+    <InvariantGlobalization>true</InvariantGlobalization>
+  </PropertyGroup>
+
+  <Target Name="RunSample" DependsOnTargets="RunSampleWithNodeJS" />
+</Project>

src/mono/sample/wasi/jco/main.mjs

@@ -0,0 +1,3 @@
+import { run } from './Wasi.Jco.Http.Sample.js';
+
+run.run();