[WIP] Prerendering

Blazor.sln

@@ -79,6 +79,14 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BlazorHosted-CSharp.Server"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BlazorHosted-CSharp.Shared", "src\Microsoft.AspNetCore.Blazor.Templates\content\BlazorHosted-CSharp\BlazorHosted-CSharp.Shared\BlazorHosted-CSharp.Shared.csproj", "{F3E02B21-1127-431A-B832-0E53CB72097B}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Prerendering", "Prerendering", "{0A6A1E7D-2236-4695-A5B1-0A82EEED0B6C}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.Blazor.Server.Rendering", "src\Microsoft.AspNetCore.Blazor.Server.Rendering\Microsoft.AspNetCore.Blazor.Server.Rendering.csproj", "{9C424433-8AA6-452B-BA9E-01ACD2852176}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PrerenderingApp.Client", "samples\PrerenderingApp.Client\PrerenderingApp.Client.csproj", "{034F0B11-DBA2-44A9-932E-BFCD94DB5F7D}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PrerenderingApp.Server", "samples\PrerenderingApp.Server\PrerenderingApp.Server.csproj", "{A61788D9-3764-4BC5-A5BB-118D4A10BBEB}"
+EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.Blazor.Razor.Extensions.Test", "test\Microsoft.AspNetCore.Blazor.Razor.Extensions.Test\Microsoft.AspNetCore.Blazor.Razor.Extensions.Test.csproj", "{FF25111E-5A3E-48A3-96D8-08A2C5A2A91C}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tooling", "tooling", "{F563ABB6-85FB-4CFC-B0D2-1D5130E8246D}"
@@ -292,6 +300,30 @@ Global
 		{F3E02B21-1127-431A-B832-0E53CB72097B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{F3E02B21-1127-431A-B832-0E53CB72097B}.Release|Any CPU.Build.0 = Release|Any CPU
 		{F3E02B21-1127-431A-B832-0E53CB72097B}.ReleaseNoVSIX|Any CPU.ActiveCfg = Release|Any CPU
+		{9C424433-8AA6-452B-BA9E-01ACD2852176}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9C424433-8AA6-452B-BA9E-01ACD2852176}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9C424433-8AA6-452B-BA9E-01ACD2852176}.DebugNoVSIX|Any CPU.ActiveCfg = Debug|Any CPU
+		{9C424433-8AA6-452B-BA9E-01ACD2852176}.DebugNoVSIX|Any CPU.Build.0 = Debug|Any CPU
+		{9C424433-8AA6-452B-BA9E-01ACD2852176}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9C424433-8AA6-452B-BA9E-01ACD2852176}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9C424433-8AA6-452B-BA9E-01ACD2852176}.ReleaseNoVSIX|Any CPU.ActiveCfg = Release|Any CPU
+		{9C424433-8AA6-452B-BA9E-01ACD2852176}.ReleaseNoVSIX|Any CPU.Build.0 = Release|Any CPU
+		{034F0B11-DBA2-44A9-932E-BFCD94DB5F7D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{034F0B11-DBA2-44A9-932E-BFCD94DB5F7D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{034F0B11-DBA2-44A9-932E-BFCD94DB5F7D}.DebugNoVSIX|Any CPU.ActiveCfg = Debug|Any CPU
+		{034F0B11-DBA2-44A9-932E-BFCD94DB5F7D}.DebugNoVSIX|Any CPU.Build.0 = Debug|Any CPU
+		{034F0B11-DBA2-44A9-932E-BFCD94DB5F7D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{034F0B11-DBA2-44A9-932E-BFCD94DB5F7D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{034F0B11-DBA2-44A9-932E-BFCD94DB5F7D}.ReleaseNoVSIX|Any CPU.ActiveCfg = Release|Any CPU
+		{034F0B11-DBA2-44A9-932E-BFCD94DB5F7D}.ReleaseNoVSIX|Any CPU.Build.0 = Release|Any CPU
+		{A61788D9-3764-4BC5-A5BB-118D4A10BBEB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A61788D9-3764-4BC5-A5BB-118D4A10BBEB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A61788D9-3764-4BC5-A5BB-118D4A10BBEB}.DebugNoVSIX|Any CPU.ActiveCfg = Debug|Any CPU
+		{A61788D9-3764-4BC5-A5BB-118D4A10BBEB}.DebugNoVSIX|Any CPU.Build.0 = Debug|Any CPU
+		{A61788D9-3764-4BC5-A5BB-118D4A10BBEB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A61788D9-3764-4BC5-A5BB-118D4A10BBEB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A61788D9-3764-4BC5-A5BB-118D4A10BBEB}.ReleaseNoVSIX|Any CPU.ActiveCfg = Release|Any CPU
+		{A61788D9-3764-4BC5-A5BB-118D4A10BBEB}.ReleaseNoVSIX|Any CPU.Build.0 = Release|Any CPU
 		{FF25111E-5A3E-48A3-96D8-08A2C5A2A91C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{FF25111E-5A3E-48A3-96D8-08A2C5A2A91C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{FF25111E-5A3E-48A3-96D8-08A2C5A2A91C}.DebugNoVSIX|Any CPU.ActiveCfg = Debug|Any CPU
@@ -386,6 +418,10 @@ Global
 		{7549444A-9C81-44DE-AD0D-2C55501EAAC7} = {73DA1DFD-79F0-4BA2-B0B6-4F3A21D2C3F8}
 		{78ED9932-0912-4F36-8F82-33DE850E7A33} = {73DA1DFD-79F0-4BA2-B0B6-4F3A21D2C3F8}
 		{F3E02B21-1127-431A-B832-0E53CB72097B} = {73DA1DFD-79F0-4BA2-B0B6-4F3A21D2C3F8}
+		{0A6A1E7D-2236-4695-A5B1-0A82EEED0B6C} = {F5FDD4E5-6A52-4A86-BE5E-5E42CB1DC8DA}
+		{9C424433-8AA6-452B-BA9E-01ACD2852176} = {B867E038-B3CE-43E3-9292-61568C46CDEB}
+		{034F0B11-DBA2-44A9-932E-BFCD94DB5F7D} = {0A6A1E7D-2236-4695-A5B1-0A82EEED0B6C}
+		{A61788D9-3764-4BC5-A5BB-118D4A10BBEB} = {0A6A1E7D-2236-4695-A5B1-0A82EEED0B6C}
 		{FF25111E-5A3E-48A3-96D8-08A2C5A2A91C} = {ADA3AE29-F6DE-49F6-8C7C-B321508CAE8E}
 		{43E39257-7DC1-46BD-9BD9-2319A1313D07} = {F563ABB6-85FB-4CFC-B0D2-1D5130E8246D}
 		{9088E4E4-B855-457F-AE9E-D86709A5E1F4} = {F563ABB6-85FB-4CFC-B0D2-1D5130E8246D}

samples/PrerenderingApp.Client/ClientWeatherService.cs

@@ -0,0 +1,22 @@
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Blazor;
+
+namespace PrerenderingApp.Client
+{
+    public class ClientWeatherService : IWeatherService
+    {
+        private readonly HttpClient _httpClient;
+
+        public ClientWeatherService(HttpClient httpClient)
+        {
+            _httpClient = httpClient;
+        }
+
+        public async Task<IEnumerable<WeatherForecast>> GetForecast()
+        {
+            return await _httpClient.GetJsonAsync<WeatherForecast[]>("/api/SampleData/WeatherForecasts");
+        }
+    }
+}

samples/PrerenderingApp.Client/ConsumeService.cshtml

@@ -0,0 +1,14 @@
+@inject Greeter Greeter
+
+<div>
+    <h2>@Greeter.Greet(name)</h2>
+    <div>
+        <input type="text" bind=@name placeholder="enter name"/>
+    </div>
+</div>
+
+@functions {
+
+    string name = null;
+
+}

samples/PrerenderingApp.Client/FetchData.cshtml

@@ -0,0 +1,43 @@
+@inject IWeatherService WeatherService
+
+<h1>Weather forecast</h1>
+
+<p>This component demonstrates fetching data from the server.</p>
+
+@if (forecasts == null)
+{
+    <p><em>Loading...</em></p>
+}
+else
+{
+    <table class='table'>
+        <thead>
+            <tr>
+                <th>Date</th>
+                <th>Temp. (C)</th>
+                <th>Temp. (F)</th>
+                <th>Summary</th>
+            </tr>
+        </thead>
+        <tbody>
+            @foreach (var forecast in forecasts)
+            {
+                <tr>
+                    <td>@forecast.Date.ToShortDateString()</td>
+                    <td>@forecast.TemperatureC</td>
+                    <td>@forecast.TemperatureF</td>
+                    <td>@forecast.Summary</td>
+                </tr>
+            }
+        </tbody>
+    </table>
+}
+
+@functions {
+    WeatherForecast[] forecasts;
+
+    protected override async Task OnInitAsync()
+    {
+        forecasts = (await WeatherService.GetForecast()).ToArray();
+    }
+}

samples/PrerenderingApp.Client/Greeter.cs

@@ -0,0 +1,10 @@
+namespace PrerenderingApp.Client
+{
+    public class Greeter
+    {
+        public string Greet(string name)
+        {
+            return $"Hello {name}";
+        }
+    }
+}

samples/PrerenderingApp.Client/Home.cshtml

@@ -0,0 +1,28 @@
+<h1>Prerendering Sample</h1>
+
+<h3>Input component</h3>
+<MyInput />
+
+<h3>List component</h3>
+<MyList />
+
+<h3>Input element</h3>
+<input type="text" />
+
+<div>
+    <h3>Bound inputs</h3>
+    <input type="text" bind=@test />
+    <input type="text" bind=@test />
+</div>
+
+<h3>Consume same service on client and server</h3>
+<ConsumeService />
+
+<h3>Consume different service on client and server</h3>
+<FetchData />
+
+@functions {
+
+    string test = "hello";
+
+}

samples/PrerenderingApp.Client/IWeatherService.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace PrerenderingApp.Client
+{
+    public interface IWeatherService
+    {
+        Task<IEnumerable<WeatherForecast>> GetForecast();
+    }
+}

samples/PrerenderingApp.Client/MyInput.cshtml

@@ -0,0 +1 @@
+<input type="text" value="component" />

samples/PrerenderingApp.Client/MyList.cshtml

@@ -0,0 +1,16 @@
+@foreach (var item in items)
+{
+    <div>@item</div>
+}
+
+@functions {
+
+    int[] items = new[] {1, 2, 3, 4};
+
+    protected override void OnInit()
+    {
+        base.OnInit();
+
+        items = new[] {6, 7, 8, 9};
+    }
+}

samples/PrerenderingApp.Client/PrerenderingApp.Client.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <OutputType>Exe</OutputType>
+
+    <!-- Temporary workaround for a VS build issue -->
+    <BlazorRebuildOnFileChange>false</BlazorRebuildOnFileChange>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Microsoft.AspNetCore.Blazor.Browser\Microsoft.AspNetCore.Blazor.Browser.csproj" />
+    <ProjectReference Include="..\..\src\Microsoft.AspNetCore.Blazor\Microsoft.AspNetCore.Blazor.csproj" />
+  </ItemGroup>
+
+  <!-- Local alternative to <PackageReference Include="Microsoft.AspNetCore.Blazor.Build" /> -->
+  <Import Project="..\..\src\Microsoft.AspNetCore.Blazor.Build\ReferenceFromSource.props" />
+
+</Project>

samples/PrerenderingApp.Client/Program.cs

@@ -0,0 +1,23 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using Microsoft.AspNetCore.Blazor.Browser.Rendering;
+using Microsoft.AspNetCore.Blazor.Browser.Services;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace PrerenderingApp.Client
+{
+    public class Program
+    {
+        static void Main(string[] args)
+        {
+            var serviceProvider = new BrowserServiceProvider(configure =>
+            {
+                configure.AddSharedServices();
+                configure.AddSingleton<IWeatherService, ClientWeatherService>();
+            });
+
+            new BrowserRenderer(serviceProvider).AddComponent<Home>("app");
+        }
+    }
+}

samples/PrerenderingApp.Client/ServiceCollectionExtensions.cs

@@ -0,0 +1,12 @@
+using Microsoft.Extensions.DependencyInjection;
+
+namespace PrerenderingApp.Client
+{
+    public static class ServiceCollectionExtensions
+    {
+        public static void AddSharedServices(this IServiceCollection configure)
+        {
+            configure.AddSingleton<Greeter>();
+        }
+    }
+}

samples/PrerenderingApp.Client/WeatherForecast.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace PrerenderingApp.Client
+{
+    public class WeatherForecast
+    {
+        public DateTime Date { get; set; }
+        public int TemperatureC { get; set; }
+        public string Summary { get; set; }
+        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+    }
+}

samples/PrerenderingApp.Client/wwwroot/customJsFileForTests.js

@@ -0,0 +1,3 @@
+// This is only used for E2E tests to verify that we're correctly serving static content.
+// Later this will be replaced with something more useful.
+window.customJsWasLoaded = true;

samples/PrerenderingApp.Client/wwwroot/index.html

@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8" />
+    <title>Sample Blazor app</title>
+</head>
+<body>
+    <app>Loading...</app>
+    <script src="customJsFileForTests.js"></script>
+    <script type="blazor-boot"></script>
+</body>
+</html>

samples/PrerenderingApp.Server/Controller/SampleDataController.cs

@@ -0,0 +1,24 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using PrerenderingApp.Client;
+
+namespace PrerenderingApp.Server.Controller
+{
+    [Route("api/[controller]")]
+    public class SampleDataController : Microsoft.AspNetCore.Mvc.Controller
+    {
+        private readonly IWeatherService _weatherService;
+
+        public SampleDataController(IWeatherService weatherService)
+        {
+            _weatherService = weatherService;
+        }
+
+        [HttpGet("[action]")]
+        public async Task<IEnumerable<WeatherForecast>> WeatherForecasts()
+        {
+            return await _weatherService.GetForecast();
+        }
+    }
+}

samples/PrerenderingApp.Server/PrerenderingApp.Server.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.0" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.0.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\Microsoft.AspNetCore.Blazor.Server.Rendering\Microsoft.AspNetCore.Blazor.Server.Rendering.csproj" />
+    <ProjectReference Include="..\..\src\Microsoft.AspNetCore.Blazor.Server\Microsoft.AspNetCore.Blazor.Server.csproj" />
+    <ProjectReference Include="..\PrerenderingApp.Client\PrerenderingApp.Client.csproj" />
+  </ItemGroup>
+
+</Project>

samples/PrerenderingApp.Server/Program.cs

@@ -0,0 +1,38 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.IO;
+using System.Reflection;
+using System.Runtime.Loader;
+using Microsoft.AspNetCore;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+
+namespace PrerenderingApp.Server
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            AssemblyLoadContext.Default.Resolving += Default_Resolving;
+            BuildWebHost(args).Run();
+        }
+
+        private static Assembly Default_Resolving(AssemblyLoadContext context, AssemblyName assemblyName)
+        {
+            var location = Assembly.GetEntryAssembly().Location;
+            var directoryName = Path.GetDirectoryName(location);
+            var assemblyPath = Path.Combine(directoryName, assemblyName.Name + ".dll");
+            return context.LoadFromAssemblyPath(assemblyPath);
+        }
+
+        public static IWebHost BuildWebHost(string[] args) =>
+            WebHost.CreateDefaultBuilder(args)
+                .UseConfiguration(new ConfigurationBuilder()
+                    .AddCommandLine(args)
+                    .Build())
+                .UseStartup<Startup>()
+                .Build();
+    }
+}