Update dependencies.props

[auto-updated: dependencies]

.appveyor.yml

@@ -1,21 +1,19 @@
 init:
-  - git config --global core.autocrlf true
+- git config --global core.autocrlf true
 install:
-  - ps: Install-Product node 6.9.2 x64
+- ps: Install-Product node 6.9.2 x64
 branches:
   only:
-    - master
-    - release
   - dev
+  - /^release\/.*$/
   - /^(.*\/)?ci-.*$/
-    - /^rel\/.*/
 build_script:
-  - ps: .\run.ps1 default-build
+- ps: .\run.ps1 default-build
 clone_depth: 1
 environment:
   global:
     DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
     DOTNET_CLI_TELEMETRY_OPTOUT: 1
-test: off
-deploy: off
+test: 'off'
+deploy: 'off'
 os: Visual Studio 2017

.travis.yml

@@ -12,8 +12,13 @@ addons:
     - zlib1g
 mono: none
 os:
-  - linux
-  - osx
+- linux
+- osx
 osx_image: xcode7.1
 script:
-  - ./build.sh
+- ./build.sh
+branches:
+  only:
+  - dev
+  - /^release\/.*$/
+  - /^(.*\/)?ci-.*$/

.vsts-pipelines/builds/ci-internal.yml

@@ -0,0 +1,13 @@
+trigger:
+- master
+- release/*
+
+resources:
+  repositories:
+  - repository: buildtools
+    type: git
+    name: aspnet-BuildTools
+    ref: refs/heads/release/2.2
+
+phases:
+- template: .vsts-pipelines/templates/project-ci.yml@buildtools

.vsts-pipelines/builds/ci-public.yml

@@ -0,0 +1,15 @@
+trigger:
+- master
+- release/*
+
+# See https://github.com/aspnet/BuildTools
+resources:
+  repositories:
+  - repository: buildtools
+    type: github
+    endpoint: DotNet-Bot GitHub Connection
+    name: aspnet/BuildTools
+    ref: refs/heads/release/2.2
+
+phases:
+- template: .vsts-pipelines/templates/project-ci.yml@buildtools

Directory.Build.props

@@ -1,6 +1,7 @@
 <Project>
   <Import Project="version.props" />
   <Import Project="build\dependencies.props" />
+  <Import Project="build\sources.props" />
 
   <PropertyGroup>
     <Product>Microsoft ASP.NET Core</Product>
@@ -9,7 +10,6 @@
     <RepositoryRoot>$(MSBuildThisFileDirectory)</RepositoryRoot>
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)build\Key.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
-    <PublicSign Condition="'$(OS)' != 'Windows_NT'">true</PublicSign>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 </Project>

Directory.Build.targets

@@ -1,5 +1,10 @@
-<Project>
+<Project>
   <PropertyGroup>
     <RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp2.0' ">$(MicrosoftNETCoreApp20PackageVersion)</RuntimeFrameworkVersion>
+    <RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp2.1' ">$(MicrosoftNETCoreApp21PackageVersion)</RuntimeFrameworkVersion>
+    <RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp2.2' ">$(MicrosoftNETCoreApp22PackageVersion)</RuntimeFrameworkVersion>
+    <NETStandardImplicitPackageVersion Condition=" '$(TargetFramework)' == 'netstandard2.0' ">$(NETStandardLibrary20PackageVersion)</NETStandardImplicitPackageVersion>
+    <!-- aspnet/BuildTools#662 Don't police what version of NetCoreApp we use -->
+    <NETCoreAppMaximumVersion>99.9</NETCoreAppMaximumVersion>
   </PropertyGroup>
 </Project>

NuGet.config

@@ -2,8 +2,6 @@
 <configuration>
   <packageSources>
     <clear />
-    <add key="AspNetCore" value="https://dotnet.myget.org/F/aspnetcore-ci-dev/api/v3/index.json" />
-    <add key="AspNetCoreTools" value="https://dotnet.myget.org/F/aspnetcore-tools/api/v3/index.json" />
-    <add key="NuGet" value="https://api.nuget.org/v3/index.json" />
+    <!-- Restore sources should be defined in build/sources.props. -->
   </packageSources>
 </configuration>

NuGetPackageVerifier.json

@@ -0,0 +1,7 @@
+{
+  "Default": {
+    "rules": [
+      "DefaultCompositeRule"
+    ]
+  }
+}

build/dependencies.props

@@ -1,26 +1,31 @@
-<Project>
+<Project>
   <PropertyGroup>
     <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
   </PropertyGroup>
   <PropertyGroup Label="Package Versions">
-    <InternalAspNetCoreSdkPackageVersion>2.1.0-preview1-15549</InternalAspNetCoreSdkPackageVersion>
-    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.1.0-preview1-27478</MicrosoftAspNetCoreDiagnosticsPackageVersion>
-    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.1.0-preview1-27478</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
-    <MicrosoftAspNetCoreHostingPackageVersion>2.1.0-preview1-27478</MicrosoftAspNetCoreHostingPackageVersion>
-    <MicrosoftAspNetCoreMvcPackageVersion>2.1.0-preview1-27478</MicrosoftAspNetCoreMvcPackageVersion>
-    <MicrosoftAspNetCoreMvcTagHelpersPackageVersion>2.1.0-preview1-27478</MicrosoftAspNetCoreMvcTagHelpersPackageVersion>
-    <MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>2.1.0-preview1-27478</MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>
-    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.1.0-preview1-27478</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
-    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.1.0-preview1-27478</MicrosoftAspNetCoreServerKestrelPackageVersion>
-    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.1.0-preview1-27478</MicrosoftAspNetCoreStaticFilesPackageVersion>
-    <MicrosoftAspNetCoreWebSocketsPackageVersion>2.1.0-preview1-27478</MicrosoftAspNetCoreWebSocketsPackageVersion>
-    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.1.0-preview1-27478</MicrosoftExtensionsDependencyInjectionPackageVersion>
-    <MicrosoftExtensionsFileProvidersPhysicalPackageVersion>2.1.0-preview1-27478</MicrosoftExtensionsFileProvidersPhysicalPackageVersion>
-    <MicrosoftExtensionsLoggingConsolePackageVersion>2.1.0-preview1-27478</MicrosoftExtensionsLoggingConsolePackageVersion>
-    <MicrosoftExtensionsLoggingDebugPackageVersion>2.1.0-preview1-27478</MicrosoftExtensionsLoggingDebugPackageVersion>
-    <MicrosoftNETCoreApp20PackageVersion>2.0.0</MicrosoftNETCoreApp20PackageVersion>
-    <NewtonsoftJsonPackageVersion>10.0.1</NewtonsoftJsonPackageVersion>
-    <SystemThreadingTasksDataflowPackageVersion>4.8.0</SystemThreadingTasksDataflowPackageVersion>
+    <InternalAspNetCoreSdkPackageVersion>2.2.0-preview2-20181004.6</InternalAspNetCoreSdkPackageVersion>
+    <MicrosoftAspNetCoreDiagnosticsPackageVersion>2.2.0-preview3-35425</MicrosoftAspNetCoreDiagnosticsPackageVersion>
+    <MicrosoftAspNetCoreHostingAbstractionsPackageVersion>2.2.0-preview3-35425</MicrosoftAspNetCoreHostingAbstractionsPackageVersion>
+    <MicrosoftAspNetCoreHostingPackageVersion>2.2.0-preview3-35425</MicrosoftAspNetCoreHostingPackageVersion>
+    <MicrosoftAspNetCoreMvcPackageVersion>2.2.0-preview3-35425</MicrosoftAspNetCoreMvcPackageVersion>
+    <MicrosoftAspNetCoreMvcTagHelpersPackageVersion>2.2.0-preview3-35425</MicrosoftAspNetCoreMvcTagHelpersPackageVersion>
+    <MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>2.2.0-preview3-35425</MicrosoftAspNetCoreMvcViewFeaturesPackageVersion>
+    <MicrosoftAspNetCoreServerIISIntegrationPackageVersion>2.2.0-preview3-35425</MicrosoftAspNetCoreServerIISIntegrationPackageVersion>
+    <MicrosoftAspNetCoreServerKestrelPackageVersion>2.2.0-preview3-35425</MicrosoftAspNetCoreServerKestrelPackageVersion>
+    <MicrosoftAspNetCoreStaticFilesPackageVersion>2.2.0-preview3-35425</MicrosoftAspNetCoreStaticFilesPackageVersion>
+    <MicrosoftAspNetCoreWebSocketsPackageVersion>2.2.0-preview3-35425</MicrosoftAspNetCoreWebSocketsPackageVersion>
+    <MicrosoftExtensionsDependencyInjectionPackageVersion>2.2.0-preview3-35425</MicrosoftExtensionsDependencyInjectionPackageVersion>
+    <MicrosoftExtensionsFileProvidersPhysicalPackageVersion>2.2.0-preview3-35425</MicrosoftExtensionsFileProvidersPhysicalPackageVersion>
+    <MicrosoftExtensionsLoggingConsolePackageVersion>2.2.0-preview3-35425</MicrosoftExtensionsLoggingConsolePackageVersion>
+    <MicrosoftExtensionsLoggingDebugPackageVersion>2.2.0-preview3-35425</MicrosoftExtensionsLoggingDebugPackageVersion>
+    <MicrosoftNETCoreApp20PackageVersion>2.0.9</MicrosoftNETCoreApp20PackageVersion>
+    <MicrosoftNETCoreApp21PackageVersion>2.1.3</MicrosoftNETCoreApp21PackageVersion>
+    <MicrosoftNETCoreApp22PackageVersion>2.2.0-preview3-27001-02</MicrosoftNETCoreApp22PackageVersion>
+    <MicrosoftNETSdkRazorPackageVersion>2.2.0-preview3-35425</MicrosoftNETSdkRazorPackageVersion>
+    <NETStandardLibrary20PackageVersion>2.0.3</NETStandardLibrary20PackageVersion>
+    <NewtonsoftJsonPackageVersion>11.0.2</NewtonsoftJsonPackageVersion>
+    <SystemThreadingTasksDataflowPackageVersion>4.9.0</SystemThreadingTasksDataflowPackageVersion>
   </PropertyGroup>
   <Import Project="$(DotNetPackageVersionPropsPath)" Condition=" '$(DotNetPackageVersionPropsPath)' != '' " />
+  <PropertyGroup Label="Package Versions: Pinned" />
 </Project>

build/repo.props

@@ -1,7 +1,16 @@
-<Project>
+<Project>
+  <Import Project="dependencies.props" />
+
   <PropertyGroup>
     <!-- These properties are use by the automation that updates dependencies.props -->
     <LineupPackageId>Internal.AspNetCore.Universe.Lineup</LineupPackageId>
-    <LineupPackageRestoreSource>https://dotnet.myget.org/F/aspnetcore-ci-dev/api/v3/index.json</LineupPackageRestoreSource>
+    <LineupPackageVersion>2.2.0-*</LineupPackageVersion>
+    <LineupPackageRestoreSource>https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json</LineupPackageRestoreSource>
   </PropertyGroup>
+
+  <ItemGroup>
+    <DotNetCoreRuntime Include="$(MicrosoftNETCoreApp20PackageVersion)" />
+    <DotNetCoreRuntime Include="$(MicrosoftNETCoreApp21PackageVersion)" />
+    <DotNetCoreRuntime Include="$(MicrosoftNETCoreApp22PackageVersion)" />
+  </ItemGroup>
 </Project>

build/sources.props

@@ -0,0 +1,17 @@
+<Project>
+  <Import Project="$(DotNetRestoreSourcePropsPath)" Condition="'$(DotNetRestoreSourcePropsPath)' != ''"/>
+
+  <PropertyGroup Label="RestoreSources">
+    <RestoreSources>$(DotNetRestoreSources)</RestoreSources>
+    <RestoreSources Condition="'$(DotNetBuildOffline)' != 'true' AND '$(AspNetUniverseBuildOffline)' != 'true' ">
+      $(RestoreSources);
+      https://dotnet.myget.org/F/dotnet-core/api/v3/index.json;
+      https://dotnet.myget.org/F/aspnetcore-dev/api/v3/index.json;
+      https://dotnet.myget.org/F/aspnetcore-tools/api/v3/index.json;
+    </RestoreSources>
+    <RestoreSources Condition="'$(DotNetBuildOffline)' != 'true'">
+      $(RestoreSources);
+      https://api.nuget.org/v3/index.json;
+    </RestoreSources>
+  </PropertyGroup>
+</Project>

korebuild-lock.txt

@@ -1,2 +1,2 @@
-version:2.1.0-preview1-15549
-commithash:f570e08585fec510dd60cd4bfe8795388b757a95
+version:2.2.0-preview2-20181004.6
+commithash:c04c4b2f5018632647f96210ab01876661302dac

korebuild.json

@@ -1,6 +1,6 @@
 {
-  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/dev/tools/korebuild.schema.json",
-  "channel": "dev",
+  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/release/2.2/tools/korebuild.schema.json",
+  "channel": "release/2.2",
   "toolsets": {
     "nodejs": {
       "required": true,

run.ps1

@@ -26,9 +26,18 @@ The base url where build tools can be downloaded. Overrides the value from the c
 .PARAMETER Update
 Updates KoreBuild to the latest version even if a lock file is present.
 
+.PARAMETER Reinstall
+Re-installs KoreBuild
+
 .PARAMETER ConfigFile
 The path to the configuration file that stores values. Defaults to korebuild.json.
 
+.PARAMETER ToolsSourceSuffix
+The Suffix to append to the end of the ToolsSource. Useful for query strings in blob stores.
+
+.PARAMETER CI
+Sets up CI specific settings and variables.
+
 .PARAMETER Arguments
 Arguments to be passed to the command
 
@@ -43,15 +52,15 @@ in the file are overridden by command line parameters.
 Example config file:
 ```json
 {
-  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/dev/tools/korebuild.schema.json",
-  "channel": "dev",
+  "$schema": "https://raw.githubusercontent.com/aspnet/BuildTools/master/tools/korebuild.schema.json",
+  "channel": "master",
   "toolsSource": "https://aspnetcore.blob.core.windows.net/buildtools"
 }
 ```
 #>
 [CmdletBinding(PositionalBinding = $false)]
 param(
-    [Parameter(Mandatory=$true, Position = 0)]
+    [Parameter(Mandatory = $true, Position = 0)]
     [string]$Command,
     [string]$Path = $PSScriptRoot,
     [Alias('c')]
@@ -62,7 +71,10 @@ param(
     [string]$ToolsSource,
     [Alias('u')]
     [switch]$Update,
-    [string]$ConfigFile,
+    [switch]$Reinstall,
+    [string]$ToolsSourceSuffix,
+    [string]$ConfigFile = $null,
+    [switch]$CI,
     [Parameter(ValueFromRemainingArguments = $true)]
     [string[]]$Arguments
 )
@@ -79,7 +91,7 @@ function Get-KoreBuild {
     $lockFile = Join-Path $Path 'korebuild-lock.txt'
 
     if (!(Test-Path $lockFile) -or $Update) {
-        Get-RemoteFile "$ToolsSource/korebuild/channels/$Channel/latest.txt" $lockFile
+        Get-RemoteFile "$ToolsSource/korebuild/channels/$Channel/latest.txt" $lockFile $ToolsSourceSuffix
     }
 
     $version = Get-Content $lockFile | Where-Object { $_ -like 'version:*' } | Select-Object -first 1
@@ -89,6 +101,10 @@ function Get-KoreBuild {
     $version = $version.TrimStart('version:').Trim()
     $korebuildPath = Join-Paths $DotNetHome ('buildtools', 'korebuild', $version)
 
+    if ($Reinstall -and (Test-Path $korebuildPath)) {
+        Remove-Item -Force -Recurse $korebuildPath
+    }
+
     if (!(Test-Path $korebuildPath)) {
         Write-Host -ForegroundColor Magenta "Downloading KoreBuild $version"
         New-Item -ItemType Directory -Path $korebuildPath | Out-Null
@@ -96,10 +112,10 @@ function Get-KoreBuild {
 
         try {
             $tmpfile = Join-Path ([IO.Path]::GetTempPath()) "KoreBuild-$([guid]::NewGuid()).zip"
-            Get-RemoteFile $remotePath $tmpfile
-            if (Get-Command -Name 'Expand-Archive' -ErrorAction Ignore) {
+            Get-RemoteFile $remotePath $tmpfile $ToolsSourceSuffix
+            if (Get-Command -Name 'Microsoft.PowerShell.Archive\Expand-Archive' -ErrorAction Ignore) {
                 # Use built-in commands where possible as they are cross-plat compatible
-                Expand-Archive -Path $tmpfile -DestinationPath $korebuildPath
+                Microsoft.PowerShell.Archive\Expand-Archive -Path $tmpfile -DestinationPath $korebuildPath
             }
             else {
                 # Fallback to old approach for old installations of PowerShell
@@ -124,7 +140,7 @@ function Join-Paths([string]$path, [string[]]$childPaths) {
     return $path
 }
 
-function Get-RemoteFile([string]$RemotePath, [string]$LocalPath) {
+function Get-RemoteFile([string]$RemotePath, [string]$LocalPath, [string]$RemoteSuffix) {
     if ($RemotePath -notlike 'http*') {
         Copy-Item $RemotePath $LocalPath
         return
@@ -134,7 +150,7 @@ function Get-RemoteFile([string]$RemotePath, [string]$LocalPath) {
     while ($retries -gt 0) {
         $retries -= 1
         try {
-            Invoke-WebRequest -UseBasicParsing -Uri $RemotePath -OutFile $LocalPath
+            Invoke-WebRequest -UseBasicParsing -Uri $($RemotePath + $RemoteSuffix) -OutFile $LocalPath
             return
         }
         catch {
@@ -161,9 +177,11 @@ if (Test-Path $ConfigFile) {
             if (!($Channel) -and (Get-Member -Name 'channel' -InputObject $config)) { [string] $Channel = $config.channel }
             if (!($ToolsSource) -and (Get-Member -Name 'toolsSource' -InputObject $config)) { [string] $ToolsSource = $config.toolsSource}
         }
-    } catch {
-        Write-Warning "$ConfigFile could not be read. Its settings will be ignored."
-        Write-Warning $Error[0]
+    }
+    catch {
+        Write-Host -ForegroundColor Red $Error[0]
+        Write-Error "$ConfigFile contains invalid JSON."
+        exit 1
     }
 }
 
@@ -174,7 +192,7 @@ if (!$DotNetHome) {
         else { Join-Path $PSScriptRoot '.dotnet'}
 }
 
-if (!$Channel) { $Channel = 'dev' }
+if (!$Channel) { $Channel = 'master' }
 if (!$ToolsSource) { $ToolsSource = 'https://aspnetcore.blob.core.windows.net/buildtools' }
 
 # Execute
@@ -183,7 +201,7 @@ $korebuildPath = Get-KoreBuild
 Import-Module -Force -Scope Local (Join-Path $korebuildPath 'KoreBuild.psd1')
 
 try {
-    Set-KoreBuildSettings -ToolsSource $ToolsSource -DotNetHome $DotNetHome -RepoPath $Path -ConfigFile $ConfigFile
+    Set-KoreBuildSettings -ToolsSource $ToolsSource -DotNetHome $DotNetHome -RepoPath $Path -ConfigFile $ConfigFile -CI:$CI
     Invoke-KoreBuildCommand $Command @Arguments
 }
 finally {

run.sh

@@ -14,9 +14,12 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 [ -z "${DOTNET_HOME:-}" ] && DOTNET_HOME="$HOME/.dotnet"
 verbose=false
 update=false
+reinstall=false
 repo_path="$DIR"
 channel=''
 tools_source=''
+tools_source_suffix=''
+ci=false
 
 #
 # Functions
@@ -35,7 +38,10 @@ __usage() {
     echo "    -d|--dotnet-home <DIR>                                The directory where .NET Core tools will be stored. Defaults to '\$DOTNET_HOME' or '\$HOME/.dotnet."
     echo "    --path <PATH>                                         The directory to build. Defaults to the directory containing the script."
     echo "    -s|--tools-source|-ToolsSource <URL>                  The base url where build tools can be downloaded. Overrides the value from the config file."
+    echo "    --tools-source-suffix|-ToolsSourceSuffix <SUFFIX>     The suffix to append to tools-source. Useful for query strings."
     echo "    -u|--update                                           Update to the latest KoreBuild even if the lock file is present."
+    echo "    --reinstall                                           Reinstall KoreBuild."
+    echo "    --ci                                                  Apply CI specific settings and environment variables."
     echo ""
     echo "Description:"
     echo "    This function will create a file \$DIR/korebuild-lock.txt. This lock file can be committed to source, but does not have to be."
@@ -50,7 +56,7 @@ get_korebuild() {
     local version
     local lock_file="$repo_path/korebuild-lock.txt"
     if [ ! -f "$lock_file" ] || [ "$update" = true ]; then
-        __get_remote_file "$tools_source/korebuild/channels/$channel/latest.txt" "$lock_file"
+        __get_remote_file "$tools_source/korebuild/channels/$channel/latest.txt" "$lock_file" "$tools_source_suffix"
     fi
     version="$(grep 'version:*' -m 1 "$lock_file")"
     if [[ "$version" == '' ]]; then
@@ -60,13 +66,17 @@ get_korebuild() {
     version="$(echo "${version#version:}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
     local korebuild_path="$DOTNET_HOME/buildtools/korebuild/$version"
 
+    if [ "$reinstall" = true ] && [ -d "$korebuild_path" ]; then
+        rm -rf "$korebuild_path"
+    fi
+
     {
         if [ ! -d "$korebuild_path" ]; then
             mkdir -p "$korebuild_path"
             local remote_path="$tools_source/korebuild/artifacts/$version/korebuild.$version.zip"
             tmpfile="$(mktemp)"
             echo -e "${MAGENTA}Downloading KoreBuild ${version}${RESET}"
-            if __get_remote_file "$remote_path" "$tmpfile"; then
+            if __get_remote_file "$remote_path" "$tmpfile" "$tools_source_suffix"; then
                 unzip -q -d "$korebuild_path" "$tmpfile"
             fi
             rm "$tmpfile" || true
@@ -98,6 +108,7 @@ __machine_has() {
 __get_remote_file() {
     local remote_path=$1
     local local_path=$2
+    local remote_path_suffix=$3
 
     if [[ "$remote_path" != 'http'* ]]; then
         cp "$remote_path" "$local_path"
@@ -106,14 +117,14 @@ __get_remote_file() {
 
     local failed=false
     if __machine_has wget; then
-        wget --tries 10 --quiet -O "$local_path" "$remote_path" || failed=true
+        wget --tries 10 --quiet -O "$local_path" "${remote_path}${remote_path_suffix}" || failed=true
     else
         failed=true
     fi
 
     if [ "$failed" = true ] && __machine_has curl; then
         failed=false
-        curl --retry 10 -sSL -f --create-dirs -o "$local_path" "$remote_path" || failed=true
+        curl --retry 10 -sSL -f --create-dirs -o "$local_path" "${remote_path}${remote_path_suffix}" || failed=true
     fi
 
     if [ "$failed" = true ]; then
@@ -164,9 +175,20 @@ while [[ $# -gt 0 ]]; do
             tools_source="${1:-}"
             [ -z "$tools_source" ] && __usage
             ;;
+        --tools-source-suffix|-ToolsSourceSuffix)
+            shift
+            tools_source_suffix="${1:-}"
+            [ -z "$tools_source_suffix" ] && __usage
+            ;;
         -u|--update|-Update)
             update=true
             ;;
+        --reinstall|-[Rr]einstall)
+            reinstall=true
+            ;;
+        --ci|-[Cc][Ii])
+            ci=true
+            ;;
         --verbose|-Verbose)
             verbose=true
             ;;
@@ -198,26 +220,37 @@ if [ -f "$config_file" ]; then
             config_channel="$(jq -r 'select(.channel!=null) | .channel' "$config_file")"
             config_tools_source="$(jq -r 'select(.toolsSource!=null) | .toolsSource' "$config_file")"
         else
-            __warn "$config_file is invalid JSON. Its settings will be ignored."
+            __error "$config_file contains invalid JSON."
+            exit 1
         fi
     elif __machine_has python ; then
         if python -c "import json,codecs;obj=json.load(codecs.open('$config_file', 'r', 'utf-8-sig'))" >/dev/null ; then
             config_channel="$(python -c "import json,codecs;obj=json.load(codecs.open('$config_file', 'r', 'utf-8-sig'));print(obj['channel'] if 'channel' in obj else '')")"
             config_tools_source="$(python -c "import json,codecs;obj=json.load(codecs.open('$config_file', 'r', 'utf-8-sig'));print(obj['toolsSource'] if 'toolsSource' in obj else '')")"
         else
-            __warn "$config_file is invalid JSON. Its settings will be ignored."
+            __error "$config_file contains invalid JSON."
+            exit 1
+        fi
+    elif __machine_has python3 ; then
+        if python3 -c "import json,codecs;obj=json.load(codecs.open('$config_file', 'r', 'utf-8-sig'))" >/dev/null ; then
+            config_channel="$(python3 -c "import json,codecs;obj=json.load(codecs.open('$config_file', 'r', 'utf-8-sig'));print(obj['channel'] if 'channel' in obj else '')")"
+            config_tools_source="$(python3 -c "import json,codecs;obj=json.load(codecs.open('$config_file', 'r', 'utf-8-sig'));print(obj['toolsSource'] if 'toolsSource' in obj else '')")"
+        else
+            __error "$config_file contains invalid JSON."
+            exit 1
         fi
     else
-        __warn 'Missing required command: jq or pyton. Could not parse the JSON file. Its settings will be ignored.'
+        __error 'Missing required command: jq or python. Could not parse the JSON file.'
+        exit 1
     fi
 
     [ ! -z "${config_channel:-}" ] && channel="$config_channel"
     [ ! -z "${config_tools_source:-}" ] && tools_source="$config_tools_source"
 fi
 
-[ -z "$channel" ] && channel='dev'
+[ -z "$channel" ] && channel='master'
 [ -z "$tools_source" ] && tools_source='https://aspnetcore.blob.core.windows.net/buildtools'
 
 get_korebuild
-set_korebuildsettings "$tools_source" "$DOTNET_HOME" "$repo_path" "$config_file"
+set_korebuildsettings "$tools_source" "$DOTNET_HOME" "$repo_path" "$config_file" "$ci"
 invoke_korebuild_command "$command" "$@"

samples/misc/LatencyTest/LatencyTest.csproj

@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
     <IsPackable>false</IsPackable>
     <OutputType>exe</OutputType>
   </PropertyGroup>

samples/misc/NodeServicesExamples/NodeServicesExamples.csproj

@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
     <TypeScriptCompileBlocked>true</TypeScriptCompileBlocked>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
@@ -18,6 +18,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="$(MicrosoftAspNetCoreServerKestrelPackageVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="$(MicrosoftAspNetCoreStaticFilesPackageVersion)" />
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="$(MicrosoftExtensionsLoggingDebugPackageVersion)" />
+    <PackageReference Include="Microsoft.NET.Sdk.Razor" Version="$(MicrosoftNETSdkRazorPackageVersion)" PrivateAssets="All" />
   </ItemGroup>
 
   <Target Name="PrepublishScript" BeforeTargets="PrepareForPublish">

samples/misc/Webpack/Webpack.csproj

@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
     <TypeScriptCompileBlocked>true</TypeScriptCompileBlocked>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
@@ -18,6 +18,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="$(MicrosoftAspNetCoreServerKestrelPackageVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="$(MicrosoftAspNetCoreStaticFilesPackageVersion)" />
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="$(MicrosoftExtensionsLoggingDebugPackageVersion)" />
+    <PackageReference Include="Microsoft.NET.Sdk.Razor" Version="$(MicrosoftNETSdkRazorPackageVersion)" PrivateAssets="All" />
   </ItemGroup>
 
   <Target Name="PrepublishScript" BeforeTargets="PrepareForPublish">

scripts/Regenerate-JSFiles.ps1

@@ -0,0 +1,28 @@
+[cmdletbinding(SupportsShouldProcess = $true)]
+param(
+)
+
+$ErrorActionPreference = 'Stop'
+Set-StrictMode -Version 2
+
+Push-Location "src"
+try {
+    $dirs = Get-ChildItem -Directory
+    foreach($dir in $dirs)
+    {
+        Push-Location $dir
+        try{
+            if(Test-Path -Path "package.json")
+            {
+                npm install
+                npm run build
+            }
+        }
+        finally{
+            Pop-Location
+        }
+    }
+}
+finally {
+    Pop-Location
+}

src/Microsoft.AspNetCore.NodeServices.Sockets/Content/Node/entrypoint-socket.js

@@ -1,75 +1,121 @@
 (function(e, a) { for(var i in a) e[i] = a[i]; }(exports, /******/ (function(modules) { // webpackBootstrap
 /******/ 	// The module cache
 /******/ 	var installedModules = {};
-
+/******/
 /******/ 	// The require function
 /******/ 	function __webpack_require__(moduleId) {
-
+/******/
 /******/ 		// Check if module is in cache
-/******/ 		if(installedModules[moduleId])
+/******/ 		if(installedModules[moduleId]) {
 /******/ 			return installedModules[moduleId].exports;
-
+/******/ 		}
 /******/ 		// Create a new module (and put it into the cache)
 /******/ 		var module = installedModules[moduleId] = {
-/******/ 			exports: {},
-/******/ 			id: moduleId,
-/******/ 			loaded: false
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
 /******/ 		};
-
+/******/
 /******/ 		// Execute the module function
 /******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
-
+/******/
 /******/ 		// Flag the module as loaded
-/******/ 		module.loaded = true;
-
+/******/ 		module.l = true;
+/******/
 /******/ 		// Return the exports of the module
 /******/ 		return module.exports;
 /******/ 	}
-
-
+/******/
+/******/
 /******/ 	// expose the modules object (__webpack_modules__)
 /******/ 	__webpack_require__.m = modules;
-
+/******/
 /******/ 	// expose the module cache
 /******/ 	__webpack_require__.c = installedModules;
-
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__webpack_require__.d = function(exports, name, getter) {
+/******/ 		if(!__webpack_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__webpack_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__webpack_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __webpack_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__webpack_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__webpack_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__webpack_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
 /******/ 	// __webpack_public_path__
 /******/ 	__webpack_require__.p = "";
-
+/******/
+/******/
 /******/ 	// Load entry module and return exports
-/******/ 	return __webpack_require__(0);
+/******/ 	return __webpack_require__(__webpack_require__.s = 0);
 /******/ })
 /************************************************************************/
 /******/ ([
 /* 0 */
-/***/ function(module, exports, __webpack_require__) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	module.exports = __webpack_require__(1);
+module.exports = __webpack_require__(1);
 
 
-/***/ },
+/***/ }),
 /* 1 */
-/***/ function(module, exports, __webpack_require__) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	"use strict";
-	// Limit dependencies to core Node modules. This means the code in this file has to be very low-level and unattractive,
-	// but simplifies things for the consumer of this module.
-	__webpack_require__(2);
-	var net = __webpack_require__(3);
-	var path = __webpack_require__(4);
-	var readline = __webpack_require__(5);
-	var ArgsUtil_1 = __webpack_require__(6);
-	var ExitWhenParentExits_1 = __webpack_require__(7);
-	var virtualConnectionServer = __webpack_require__(8);
-	// Webpack doesn't support dynamic requires for files not present at compile time, so grab a direct
-	// reference to Node's runtime 'require' function.
-	var dynamicRequire = eval('require');
-	// Signal to the .NET side when we're ready to accept invocations
-	var server = net.createServer().on('listening', function () {
+"use strict";
+
+exports.__esModule = true;
+// Limit dependencies to core Node modules. This means the code in this file has to be very low-level and unattractive,
+// but simplifies things for the consumer of this module.
+__webpack_require__(2);
+var net = __webpack_require__(3);
+var path = __webpack_require__(4);
+var readline = __webpack_require__(5);
+var ArgsUtil_1 = __webpack_require__(6);
+var ExitWhenParentExits_1 = __webpack_require__(7);
+var virtualConnectionServer = __webpack_require__(8);
+// Webpack doesn't support dynamic requires for files not present at compile time, so grab a direct
+// reference to Node's runtime 'require' function.
+var dynamicRequire = eval('require');
+// Signal to the .NET side when we're ready to accept invocations
+var server = net.createServer().on('listening', function () {
     console.log('[Microsoft.AspNetCore.NodeServices:Listening]');
-	});
-	// Each virtual connection represents a separate invocation
-	virtualConnectionServer.createInterface(server).on('connection', function (connection) {
+});
+// Each virtual connection represents a separate invocation
+virtualConnectionServer.createInterface(server).on('connection', function (connection) {
     readline.createInterface(connection, null).on('line', function (line) {
         try {
             // Get a reference to the function to invoke
@@ -108,39 +154,39 @@
             }));
         }
     });
-	});
-	// Begin listening now. The underlying transport varies according to the runtime platform.
-	// On Windows it's Named Pipes; on Linux/OSX it's Domain Sockets.
-	var useWindowsNamedPipes = /^win/.test(process.platform);
-	var parsedArgs = ArgsUtil_1.parseArgs(process.argv);
-	var listenAddress = (useWindowsNamedPipes ? '\\\\.\\pipe\\' : '/tmp/') + parsedArgs.listenAddress;
-	server.listen(listenAddress);
-	ExitWhenParentExits_1.exitWhenParentExits(parseInt(parsedArgs.parentPid));
+});
+// Begin listening now. The underlying transport varies according to the runtime platform.
+// On Windows it's Named Pipes; on Linux/OSX it's Domain Sockets.
+var useWindowsNamedPipes = /^win/.test(process.platform);
+var parsedArgs = ArgsUtil_1.parseArgs(process.argv);
+var listenAddress = (useWindowsNamedPipes ? '\\\\.\\pipe\\' : '/tmp/') + parsedArgs.listenAddress;
+server.listen(listenAddress);
+ExitWhenParentExits_1.exitWhenParentExits(parseInt(parsedArgs.parentPid), /* ignoreSigint */ true);
 
 
-/***/ },
+/***/ }),
 /* 2 */
-/***/ function(module, exports) {
+/***/ (function(module, exports) {
 
-	// When Node writes to stdout/strerr, we capture that and convert the lines into calls on the
-	// active .NET ILogger. But by default, stdout/stderr don't have any way of distinguishing
-	// linebreaks inside log messages from the linebreaks that delimit separate log messages,
-	// so multiline strings will end up being written to the ILogger as multiple independent
-	// log messages. This makes them very hard to make sense of, especially when they represent
-	// something like stack traces.
-	//
-	// To fix this, we intercept stdout/stderr writes, and replace internal linebreaks with a
-	// marker token. When .NET receives the lines, it converts the marker tokens back to regular
-	// linebreaks within the logged messages.
-	//
-	// Note that it's better to do the interception at the stdout/stderr level, rather than at
-	// the console.log/console.error (etc.) level, because this takes place after any native
-	// message formatting has taken place (e.g., inserting values for % placeholders).
-	var findInternalNewlinesRegex = /\n(?!$)/g;
-	var encodedNewline = '__ns_newline__';
-	encodeNewlinesWrittenToStream(process.stdout);
-	encodeNewlinesWrittenToStream(process.stderr);
-	function encodeNewlinesWrittenToStream(outputStream) {
+// When Node writes to stdout/strerr, we capture that and convert the lines into calls on the
+// active .NET ILogger. But by default, stdout/stderr don't have any way of distinguishing
+// linebreaks inside log messages from the linebreaks that delimit separate log messages,
+// so multiline strings will end up being written to the ILogger as multiple independent
+// log messages. This makes them very hard to make sense of, especially when they represent
+// something like stack traces.
+//
+// To fix this, we intercept stdout/stderr writes, and replace internal linebreaks with a
+// marker token. When .NET receives the lines, it converts the marker tokens back to regular
+// linebreaks within the logged messages.
+//
+// Note that it's better to do the interception at the stdout/stderr level, rather than at
+// the console.log/console.error (etc.) level, because this takes place after any native
+// message formatting has taken place (e.g., inserting values for % placeholders).
+var findInternalNewlinesRegex = /\n(?!$)/g;
+var encodedNewline = '__ns_newline__';
+encodeNewlinesWrittenToStream(process.stdout);
+encodeNewlinesWrittenToStream(process.stderr);
+function encodeNewlinesWrittenToStream(outputStream) {
     var origWriteFunction = outputStream.write;
     outputStream.write = function (value) {
         // Only interfere with the write if it's definitely a string
@@ -153,36 +199,38 @@
             origWriteFunction.apply(this, arguments);
         }
     };
-	}
-	function encodeNewlinesInString(str) {
+}
+function encodeNewlinesInString(str) {
     return str.replace(findInternalNewlinesRegex, encodedNewline);
-	}
+}
 
 
-/***/ },
+/***/ }),
 /* 3 */
-/***/ function(module, exports) {
+/***/ (function(module, exports) {
 
-	module.exports = require("net");
+module.exports = require("net");
 
-/***/ },
+/***/ }),
 /* 4 */
-/***/ function(module, exports) {
+/***/ (function(module, exports) {
 
-	module.exports = require("path");
+module.exports = require("path");
 
-/***/ },
+/***/ }),
 /* 5 */
-/***/ function(module, exports) {
+/***/ (function(module, exports) {
 
-	module.exports = require("readline");
+module.exports = require("readline");
 
-/***/ },
+/***/ }),
 /* 6 */
-/***/ function(module, exports) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	"use strict";
-	function parseArgs(args) {
+"use strict";
+
+exports.__esModule = true;
+function parseArgs(args) {
     // Very simplistic parsing which is sufficient for the cases needed. We don't want to bring in any external
     // dependencies (such as an args-parsing library) to this file.
     var result = {};
@@ -199,25 +247,27 @@
         }
     });
     return result;
-	}
-	exports.parseArgs = parseArgs;
+}
+exports.parseArgs = parseArgs;
 
 
-/***/ },
+/***/ }),
 /* 7 */
-/***/ function(module, exports) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	/*
-	In general, we want the Node child processes to be terminated as soon as the parent .NET processes exit,
-	because we have no further use for them. If the .NET process shuts down gracefully, it will run its
-	finalizers, one of which (in OutOfProcessNodeInstance.cs) will kill its associated Node process immediately.
+"use strict";
 
-	But if the .NET process is terminated forcefully (e.g., on Linux/OSX with 'kill -9'), then it won't have
-	any opportunity to shut down its child processes, and by default they will keep running. In this case, it's
-	up to the child process to detect this has happened and terminate itself.
+/*
+In general, we want the Node child processes to be terminated as soon as the parent .NET processes exit,
+because we have no further use for them. If the .NET process shuts down gracefully, it will run its
+finalizers, one of which (in OutOfProcessNodeInstance.cs) will kill its associated Node process immediately.
 
-	There are many possible approaches to detecting when a parent process has exited, most of which behave
-	differently between Windows and Linux/OS X:
+But if the .NET process is terminated forcefully (e.g., on Linux/OSX with 'kill -9'), then it won't have
+any opportunity to shut down its child processes, and by default they will keep running. In this case, it's
+up to the child process to detect this has happened and terminate itself.
+
+There are many possible approaches to detecting when a parent process has exited, most of which behave
+differently between Windows and Linux/OS X:
 
  - On Windows, the parent process can mark its child as being a 'job' that should auto-terminate when
    the parent does (http://stackoverflow.com/a/4657392). Not cross-platform.
@@ -237,12 +287,12 @@
      process.stdout is still connected (without actually writing to it) but I haven't found any property whose
      value changes until you actually try to write to it.
 
-	Of these, the only cross-platform approach that is actually documented as a valid strategy is simply polling
-	to check whether the parent PID is still running. So that's what we do here.
-	*/
-	"use strict";
-	var pollIntervalMs = 1000;
-	function exitWhenParentExits(parentPid) {
+Of these, the only cross-platform approach that is actually documented as a valid strategy is simply polling
+to check whether the parent PID is still running. So that's what we do here.
+*/
+exports.__esModule = true;
+var pollIntervalMs = 1000;
+function exitWhenParentExits(parentPid, ignoreSigint) {
     setInterval(function () {
         if (!processExists(parentPid)) {
             // Can't log anything at this point, because out stdout was connected to the parent,
@@ -250,9 +300,27 @@
             process.exit();
         }
     }, pollIntervalMs);
+    if (ignoreSigint) {
+        // Pressing ctrl+c in the terminal sends a SIGINT to all processes in the foreground process tree.
+        // By default, the Node process would then exit before the .NET process, because ASP.NET implements
+        // a delayed shutdown to allow ongoing requests to complete.
+        //
+        // This is problematic, because if Node exits first, the CopyToAsync code in ConditionalProxyMiddleware
+        // will experience a read fault, and logs a huge load of errors. Fortunately, since the Node process is
+        // already set up to shut itself down if it detects the .NET process is terminated, all we have to do is
+        // ignore the SIGINT. The Node process will then terminate automatically after the .NET process does.
+        //
+        // A better solution would be to have WebpackDevMiddleware listen for SIGINT and gracefully close any
+        // ongoing EventSource connections before letting the Node process exit, independently of the .NET
+        // process exiting. However, doing this well in general is very nontrivial (see all the discussion at
+        // https://github.com/nodejs/node/issues/2642).
+        process.on('SIGINT', function () {
+            console.log('Received SIGINT. Waiting for .NET process to exit...');
+        });
     }
-	exports.exitWhenParentExits = exitWhenParentExits;
-	function processExists(pid) {
+}
+exports.exitWhenParentExits = exitWhenParentExits;
+function processExists(pid) {
     try {
         // Sending signal 0 - on all platforms - tests whether the process exists. As long as it doesn't
         // throw, that means it does exist.
@@ -267,25 +335,27 @@
         }
         return false;
     }
-	}
+}
 
 
-/***/ },
+/***/ }),
 /* 8 */
-/***/ function(module, exports, __webpack_require__) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	"use strict";
-	var events_1 = __webpack_require__(9);
-	var VirtualConnection_1 = __webpack_require__(10);
-	// Keep this in sync with the equivalent constant in the .NET code. Both sides split up their transmissions into frames with this max length,
-	// and both will reject longer frames.
-	var MaxFrameBodyLength = 16 * 1024;
-	/**
+"use strict";
+
+exports.__esModule = true;
+var events_1 = __webpack_require__(9);
+var VirtualConnection_1 = __webpack_require__(10);
+// Keep this in sync with the equivalent constant in the .NET code. Both sides split up their transmissions into frames with this max length,
+// and both will reject longer frames.
+var MaxFrameBodyLength = 16 * 1024;
+/**
  * Accepts connections to a net.Server and adapts them to behave as multiplexed connections. That is, for each physical socket connection,
  * we track a list of 'virtual connections' whose API is a Duplex stream. The remote clients may open and close as many virtual connections
  * as they wish, reading and writing to them independently, without the overhead of establishing new physical connections each time.
  */
-	function createInterface(server) {
+function createInterface(server) {
     var emitter = new events_1.EventEmitter();
     server.on('connection', function (socket) {
         // For each physical socket connection, maintain a set of virtual connections. Issue a notification whenever
@@ -295,12 +365,12 @@
         });
     });
     return emitter;
-	}
-	exports.createInterface = createInterface;
-	/**
+}
+exports.createInterface = createInterface;
+/**
  * Tracks the 'virtual connections' associated with a single physical socket connection.
  */
-	var VirtualConnectionsCollection = (function () {
+var VirtualConnectionsCollection = /** @class */ (function () {
     function VirtualConnectionsCollection(_socket, _onVirtualConnectionCallback) {
         var _this = this;
         this._socket = _socket;
@@ -382,7 +452,7 @@
         newVirtualConnection.on('finish', function () {
             // The virtual connection was closed locally. Clean up locally, and notify the remote that we're done.
             _this._onVirtualConnectionWasClosed(header.connectionIdString);
-	            _this._sendFrame(header.connectionIdBinary, new Buffer(0));
+            _this._sendFrame(header.connectionIdBinary, Buffer.alloc(0));
         });
         this._virtualConnections[header.connectionIdString] = newVirtualConnection;
         this._onVirtualConnectionCallback(newVirtualConnection);
@@ -444,7 +514,7 @@
      * Sends a number serialized in the correct format for .NET to receive as a System.Int32
      */
     VirtualConnectionsCollection.prototype._sendInt32LE = function (value, callback) {
-	        var buf = new Buffer(4);
+        var buf = Buffer.alloc(4);
         buf.writeInt32LE(value, 0);
         this._socket.write(buf, callback);
     };
@@ -454,30 +524,40 @@
         }
     };
     return VirtualConnectionsCollection;
-	}());
+}());
 
 
-/***/ },
+/***/ }),
 /* 9 */
-/***/ function(module, exports) {
+/***/ (function(module, exports) {
 
-	module.exports = require("events");
+module.exports = require("events");
 
-/***/ },
+/***/ }),
 /* 10 */
-/***/ function(module, exports, __webpack_require__) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	"use strict";
-	var __extends = (this && this.__extends) || function (d, b) {
-	    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
+"use strict";
+
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    }
+    return function (d, b) {
+        extendStatics(d, b);
         function __() { this.constructor = d; }
         d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
     };
-	var stream_1 = __webpack_require__(11);
-	/**
+})();
+exports.__esModule = true;
+var stream_1 = __webpack_require__(11);
+/**
  * Represents a virtual connection. Multiple virtual connections may be multiplexed over a single physical socket connection.
  */
-	var VirtualConnection = (function (_super) {
+var VirtualConnection = /** @class */ (function (_super) {
     __extends(VirtualConnection, _super);
     function VirtualConnection(_beginWriteCallback) {
         var _this = _super.call(this) || this;
@@ -497,7 +577,7 @@
     };
     VirtualConnection.prototype._write = function (chunk, encodingIfString, callback) {
         if (typeof chunk === 'string') {
-	            chunk = new Buffer(chunk, encodingIfString);
+            chunk = Buffer.from(chunk, encodingIfString);
         }
         this._beginWriteCallback(chunk, callback);
     };
@@ -510,15 +590,15 @@
         }
     };
     return VirtualConnection;
-	}(stream_1.Duplex));
-	exports.VirtualConnection = VirtualConnection;
+}(stream_1.Duplex));
+exports.VirtualConnection = VirtualConnection;
 
 
-/***/ },
+/***/ }),
 /* 11 */
-/***/ function(module, exports) {
+/***/ (function(module, exports) {
 
-	module.exports = require("stream");
+module.exports = require("stream");
 
-/***/ }
+/***/ })
 /******/ ])));

src/Microsoft.AspNetCore.NodeServices.Sockets/SocketNodeInstance.cs

@@ -14,8 +14,7 @@ namespace Microsoft.AspNetCore.NodeServices.Sockets
     /// <summary>
     /// A specialisation of the OutOfProcessNodeInstance base class that uses a lightweight binary streaming protocol
     /// to perform RPC invocations. The physical transport is Named Pipes on Windows, or Domain Sockets on Linux/Mac.
-    /// For details on the binary streaming protocol, see
-    /// Microsoft.AspNetCore.NodeServices.HostingModels.VirtualConnections.VirtualConnectionClient.
+    /// For details on the binary streaming protocol, see <see cref="Microsoft.AspNetCore.NodeServices.Sockets.VirtualConnections.VirtualConnectionClient" />
     /// The advantage versus using HTTP for RPC is that this is faster (not surprisingly - there's much less overhead
     /// because we don't need most of the functionality of HTTP.
     ///

src/Microsoft.AspNetCore.NodeServices.Sockets/TypeScript/VirtualConnections/VirtualConnection.ts

@@ -27,7 +27,7 @@ export class VirtualConnection extends Duplex {
 
     public _write(chunk: Buffer | string, encodingIfString: string, callback: EndWriteCallback) {
         if (typeof chunk === 'string') {
-            chunk = new Buffer(chunk as string, encodingIfString);
+            chunk = Buffer.from(chunk as string, encodingIfString);
         }
 
         this._beginWriteCallback(chunk as Buffer, callback);

src/Microsoft.AspNetCore.NodeServices.Sockets/TypeScript/VirtualConnections/VirtualConnectionServer.ts

@@ -113,7 +113,7 @@ class VirtualConnectionsCollection {
         newVirtualConnection.on('finish', () => {
             // The virtual connection was closed locally. Clean up locally, and notify the remote that we're done.
             this._onVirtualConnectionWasClosed(header.connectionIdString);
-            this._sendFrame(header.connectionIdBinary, new Buffer(0));
+            this._sendFrame(header.connectionIdBinary, Buffer.alloc(0));
         });
 
         this._virtualConnections[header.connectionIdString] = newVirtualConnection;
@@ -180,7 +180,7 @@ class VirtualConnectionsCollection {
      * Sends a number serialized in the correct format for .NET to receive as a System.Int32
      */
     private _sendInt32LE(value: number, callback?: EndWriteCallback) {
-        const buf = new Buffer(4);
+        const buf = Buffer.alloc(4);
         buf.writeInt32LE(value, 0);
         this._socket.write(buf, callback);
     }

src/Microsoft.AspNetCore.NodeServices.Sockets/baseline.netcore.json

@@ -0,0 +1,109 @@
+{
+  "AssemblyIdentity": "Microsoft.AspNetCore.NodeServices.Sockets, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.Sockets.NodeServicesOptionsExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "UseSocketHosting",
+          "Parameters": [
+            {
+              "Name": "options",
+              "Type": "Microsoft.AspNetCore.NodeServices.NodeServicesOptions"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.Sockets.VirtualConnections.VirtualConnectionReadErrorHandler",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Sealed": true,
+      "BaseType": "System.MulticastDelegate",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Invoke",
+          "Parameters": [
+            {
+              "Name": "ex",
+              "Type": "System.Exception"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "BeginInvoke",
+          "Parameters": [
+            {
+              "Name": "ex",
+              "Type": "System.Exception"
+            },
+            {
+              "Name": "callback",
+              "Type": "System.AsyncCallback"
+            },
+            {
+              "Name": "object",
+              "Type": "System.Object"
+            }
+          ],
+          "ReturnType": "System.IAsyncResult",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "EndInvoke",
+          "Parameters": [
+            {
+              "Name": "result",
+              "Type": "System.IAsyncResult"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "object",
+              "Type": "System.Object"
+            },
+            {
+              "Name": "method",
+              "Type": "System.IntPtr"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}

src/Microsoft.AspNetCore.NodeServices.Sockets/package.json

@@ -5,14 +5,15 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "build": "./node_modules/.bin/webpack"
+    "build": "webpack --mode production"
   },
   "author": "Microsoft",
   "license": "Apache-2.0",
   "devDependencies": {
-    "@types/node": "^6.0.42",
-    "ts-loader": "^0.8.2",
-    "typescript": "^2.0.0",
-    "webpack": "^1.13.1"
+    "@types/node": "^10.9.2",
+    "ts-loader": "^4.5.0",
+    "typescript": "^3.0.1",
+    "webpack": "^4.17.1",
+    "webpack-cli": "^3.1.0"
   }
 }

src/Microsoft.AspNetCore.NodeServices.Sockets/webpack.config.js

@@ -1,12 +1,13 @@
+const path = require('path');
+
 module.exports = {
     target: 'node',
-    externals: ['fs', 'net', 'events', 'readline', 'stream'],
     resolve: {
         extensions: [ '.ts' ]
     },
     module: {
-        loaders: [
-            { test: /\.ts$/, loader: 'ts-loader' },
+        rules: [
+            { test: /\.ts$/, use: 'ts-loader' },
         ]
     },
     entry: {
@@ -14,7 +15,10 @@ module.exports = {
     },
     output: {
         libraryTarget: 'commonjs',
-        path: './Content/Node',
+        path: path.join(__dirname, 'Content', 'Node'),
         filename: '[name].js'
+    },
+    optimization: {
+        minimize: false
     }
 };

src/Microsoft.AspNetCore.NodeServices/Content/Node/entrypoint-http.js

@@ -1,69 +1,121 @@
 (function(e, a) { for(var i in a) e[i] = a[i]; }(exports, /******/ (function(modules) { // webpackBootstrap
 /******/ 	// The module cache
 /******/ 	var installedModules = {};
-
+/******/
 /******/ 	// The require function
 /******/ 	function __webpack_require__(moduleId) {
-
+/******/
 /******/ 		// Check if module is in cache
-/******/ 		if(installedModules[moduleId])
+/******/ 		if(installedModules[moduleId]) {
 /******/ 			return installedModules[moduleId].exports;
-
+/******/ 		}
 /******/ 		// Create a new module (and put it into the cache)
 /******/ 		var module = installedModules[moduleId] = {
-/******/ 			exports: {},
-/******/ 			id: moduleId,
-/******/ 			loaded: false
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
 /******/ 		};
-
+/******/
 /******/ 		// Execute the module function
 /******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
-
+/******/
 /******/ 		// Flag the module as loaded
-/******/ 		module.loaded = true;
-
+/******/ 		module.l = true;
+/******/
 /******/ 		// Return the exports of the module
 /******/ 		return module.exports;
 /******/ 	}
-
-
+/******/
+/******/
 /******/ 	// expose the modules object (__webpack_modules__)
 /******/ 	__webpack_require__.m = modules;
-
+/******/
 /******/ 	// expose the module cache
 /******/ 	__webpack_require__.c = installedModules;
-
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__webpack_require__.d = function(exports, name, getter) {
+/******/ 		if(!__webpack_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__webpack_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__webpack_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __webpack_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__webpack_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__webpack_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__webpack_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
 /******/ 	// __webpack_public_path__
 /******/ 	__webpack_require__.p = "";
-
+/******/
+/******/
 /******/ 	// Load entry module and return exports
-/******/ 	return __webpack_require__(0);
+/******/ 	return __webpack_require__(__webpack_require__.s = 1);
 /******/ })
 /************************************************************************/
 /******/ ([
 /* 0 */
-/***/ function(module, exports, __webpack_require__) {
+/***/ (function(module, exports) {
 
-	module.exports = __webpack_require__(1);
+module.exports = require("path");
 
-
-/***/ },
+/***/ }),
 /* 1 */
-/***/ function(module, exports, __webpack_require__) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	"use strict";
-	// Limit dependencies to core Node modules. This means the code in this file has to be very low-level and unattractive,
-	// but simplifies things for the consumer of this module.
-	__webpack_require__(2);
-	__webpack_require__(4);
-	var http = __webpack_require__(5);
-	var path = __webpack_require__(3);
-	var ArgsUtil_1 = __webpack_require__(6);
-	var ExitWhenParentExits_1 = __webpack_require__(7);
-	// Webpack doesn't support dynamic requires for files not present at compile time, so grab a direct
-	// reference to Node's runtime 'require' function.
-	var dynamicRequire = eval('require');
-	var server = http.createServer(function (req, res) {
+module.exports = __webpack_require__(2);
+
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+exports.__esModule = true;
+// Limit dependencies to core Node modules. This means the code in this file has to be very low-level and unattractive,
+// but simplifies things for the consumer of this module.
+__webpack_require__(3);
+__webpack_require__(4);
+var http = __webpack_require__(5);
+var path = __webpack_require__(0);
+var ArgsUtil_1 = __webpack_require__(6);
+var ExitWhenParentExits_1 = __webpack_require__(7);
+// Webpack doesn't support dynamic requires for files not present at compile time, so grab a direct
+// reference to Node's runtime 'require' function.
+var dynamicRequire = eval('require');
+var server = http.createServer(function (req, res) {
     readRequestBodyAsJson(req, function (bodyJson) {
         var hasSentResult = false;
         var callback = function (errorValue, successValue) {
@@ -117,39 +169,42 @@
             callback(synchronousException, null);
         }
     });
-	});
-	var parsedArgs = ArgsUtil_1.parseArgs(process.argv);
-	var requestedPortOrZero = parsedArgs.port || 0; // 0 means 'let the OS decide'
-	server.listen(requestedPortOrZero, 'localhost', function () {
-	    // Signal to HttpNodeHost which port it should make its HTTP connections on
-	    console.log('[Microsoft.AspNetCore.NodeServices.HttpNodeHost:Listening on port ' + server.address().port + '\]');
+});
+var parsedArgs = ArgsUtil_1.parseArgs(process.argv);
+var requestedPortOrZero = parsedArgs.port || 0; // 0 means 'let the OS decide'
+server.listen(requestedPortOrZero, 'localhost', function () {
+    var addressInfo = server.address();
+    // Signal to HttpNodeHost which loopback IP address (IPv4 or IPv6) and port it should make its HTTP connections on
+    console.log('[Microsoft.AspNetCore.NodeServices.HttpNodeHost:Listening on {' + addressInfo.address + '} port ' + addressInfo.port + '\]');
     // Signal to the NodeServices base class that we're ready to accept invocations
     console.log('[Microsoft.AspNetCore.NodeServices:Listening]');
-	});
-	ExitWhenParentExits_1.exitWhenParentExits(parseInt(parsedArgs.parentPid), /* ignoreSigint */ true);
-	function readRequestBodyAsJson(request, callback) {
+});
+ExitWhenParentExits_1.exitWhenParentExits(parseInt(parsedArgs.parentPid), /* ignoreSigint */ true);
+function readRequestBodyAsJson(request, callback) {
     var requestBodyAsString = '';
     request.on('data', function (chunk) { requestBodyAsString += chunk; });
     request.on('end', function () { callback(JSON.parse(requestBodyAsString)); });
-	}
-	function respondWithError(res, errorValue) {
+}
+function respondWithError(res, errorValue) {
     res.statusCode = 500;
     res.end(JSON.stringify({
         errorMessage: errorValue.message || errorValue,
         errorDetails: errorValue.stack || null
     }));
-	}
+}
 
 
-/***/ },
-/* 2 */
-/***/ function(module, exports, __webpack_require__) {
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __webpack_require__) {
 
-	"use strict";
-	var path = __webpack_require__(3);
-	var startsWith = function (str, prefix) { return str.substring(0, prefix.length) === prefix; };
-	var appRootDir = process.cwd();
-	function patchedLStat(pathToStatLong, fsReqWrap) {
+"use strict";
+
+exports.__esModule = true;
+var path = __webpack_require__(0);
+var startsWith = function (str, prefix) { return str.substring(0, prefix.length) === prefix; };
+var appRootDir = process.cwd();
+function patchedLStat(pathToStatLong, fsReqWrap) {
     try {
         // If the lstat completes without errors, we don't modify its behavior at all
         return origLStat.apply(this, arguments);
@@ -172,12 +227,12 @@
             throw ex;
         }
     }
-	}
-	;
-	// It's only necessary to apply this workaround on Windows
-	var appRootDirLong = null;
-	var origLStat = null;
-	if (/^win/.test(process.platform)) {
+}
+;
+// It's only necessary to apply this workaround on Windows
+var appRootDirLong = null;
+var origLStat = null;
+if (/^win/.test(process.platform)) {
     try {
         // Get the app's root dir in Node's internal "long" format (e.g., \\?\C:\dir\subdir)
         appRootDirLong = path._makeLong(appRootDir);
@@ -189,39 +244,35 @@
         }
     }
     catch (ex) {
+        // If some future version of Node throws (e.g., to prevent use of process.binding()),
+        // don't apply the patch, but still let the application run.
     }
-	}
+}
 
 
-/***/ },
-/* 3 */
-/***/ function(module, exports) {
-
-	module.exports = require("path");
-
-/***/ },
+/***/ }),
 /* 4 */
-/***/ function(module, exports) {
+/***/ (function(module, exports) {
 
-	// When Node writes to stdout/strerr, we capture that and convert the lines into calls on the
-	// active .NET ILogger. But by default, stdout/stderr don't have any way of distinguishing
-	// linebreaks inside log messages from the linebreaks that delimit separate log messages,
-	// so multiline strings will end up being written to the ILogger as multiple independent
-	// log messages. This makes them very hard to make sense of, especially when they represent
-	// something like stack traces.
-	//
-	// To fix this, we intercept stdout/stderr writes, and replace internal linebreaks with a
-	// marker token. When .NET receives the lines, it converts the marker tokens back to regular
-	// linebreaks within the logged messages.
-	//
-	// Note that it's better to do the interception at the stdout/stderr level, rather than at
-	// the console.log/console.error (etc.) level, because this takes place after any native
-	// message formatting has taken place (e.g., inserting values for % placeholders).
-	var findInternalNewlinesRegex = /\n(?!$)/g;
-	var encodedNewline = '__ns_newline__';
-	encodeNewlinesWrittenToStream(process.stdout);
-	encodeNewlinesWrittenToStream(process.stderr);
-	function encodeNewlinesWrittenToStream(outputStream) {
+// When Node writes to stdout/strerr, we capture that and convert the lines into calls on the
+// active .NET ILogger. But by default, stdout/stderr don't have any way of distinguishing
+// linebreaks inside log messages from the linebreaks that delimit separate log messages,
+// so multiline strings will end up being written to the ILogger as multiple independent
+// log messages. This makes them very hard to make sense of, especially when they represent
+// something like stack traces.
+//
+// To fix this, we intercept stdout/stderr writes, and replace internal linebreaks with a
+// marker token. When .NET receives the lines, it converts the marker tokens back to regular
+// linebreaks within the logged messages.
+//
+// Note that it's better to do the interception at the stdout/stderr level, rather than at
+// the console.log/console.error (etc.) level, because this takes place after any native
+// message formatting has taken place (e.g., inserting values for % placeholders).
+var findInternalNewlinesRegex = /\n(?!$)/g;
+var encodedNewline = '__ns_newline__';
+encodeNewlinesWrittenToStream(process.stdout);
+encodeNewlinesWrittenToStream(process.stderr);
+function encodeNewlinesWrittenToStream(outputStream) {
     var origWriteFunction = outputStream.write;
     outputStream.write = function (value) {
         // Only interfere with the write if it's definitely a string
@@ -234,24 +285,26 @@
             origWriteFunction.apply(this, arguments);
         }
     };
-	}
-	function encodeNewlinesInString(str) {
+}
+function encodeNewlinesInString(str) {
     return str.replace(findInternalNewlinesRegex, encodedNewline);
-	}
+}
 
 
-/***/ },
+/***/ }),
 /* 5 */
-/***/ function(module, exports) {
+/***/ (function(module, exports) {
 
-	module.exports = require("http");
+module.exports = require("http");
 
-/***/ },
+/***/ }),
 /* 6 */
-/***/ function(module, exports) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	"use strict";
-	function parseArgs(args) {
+"use strict";
+
+exports.__esModule = true;
+function parseArgs(args) {
     // Very simplistic parsing which is sufficient for the cases needed. We don't want to bring in any external
     // dependencies (such as an args-parsing library) to this file.
     var result = {};
@@ -268,25 +321,27 @@
         }
     });
     return result;
-	}
-	exports.parseArgs = parseArgs;
+}
+exports.parseArgs = parseArgs;
 
 
-/***/ },
+/***/ }),
 /* 7 */
-/***/ function(module, exports) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	/*
-	In general, we want the Node child processes to be terminated as soon as the parent .NET processes exit,
-	because we have no further use for them. If the .NET process shuts down gracefully, it will run its
-	finalizers, one of which (in OutOfProcessNodeInstance.cs) will kill its associated Node process immediately.
+"use strict";
 
-	But if the .NET process is terminated forcefully (e.g., on Linux/OSX with 'kill -9'), then it won't have
-	any opportunity to shut down its child processes, and by default they will keep running. In this case, it's
-	up to the child process to detect this has happened and terminate itself.
+/*
+In general, we want the Node child processes to be terminated as soon as the parent .NET processes exit,
+because we have no further use for them. If the .NET process shuts down gracefully, it will run its
+finalizers, one of which (in OutOfProcessNodeInstance.cs) will kill its associated Node process immediately.
 
-	There are many possible approaches to detecting when a parent process has exited, most of which behave
-	differently between Windows and Linux/OS X:
+But if the .NET process is terminated forcefully (e.g., on Linux/OSX with 'kill -9'), then it won't have
+any opportunity to shut down its child processes, and by default they will keep running. In this case, it's
+up to the child process to detect this has happened and terminate itself.
+
+There are many possible approaches to detecting when a parent process has exited, most of which behave
+differently between Windows and Linux/OS X:
 
  - On Windows, the parent process can mark its child as being a 'job' that should auto-terminate when
    the parent does (http://stackoverflow.com/a/4657392). Not cross-platform.
@@ -306,12 +361,12 @@
      process.stdout is still connected (without actually writing to it) but I haven't found any property whose
      value changes until you actually try to write to it.
 
-	Of these, the only cross-platform approach that is actually documented as a valid strategy is simply polling
-	to check whether the parent PID is still running. So that's what we do here.
-	*/
-	"use strict";
-	var pollIntervalMs = 1000;
-	function exitWhenParentExits(parentPid, ignoreSigint) {
+Of these, the only cross-platform approach that is actually documented as a valid strategy is simply polling
+to check whether the parent PID is still running. So that's what we do here.
+*/
+exports.__esModule = true;
+var pollIntervalMs = 1000;
+function exitWhenParentExits(parentPid, ignoreSigint) {
     setInterval(function () {
         if (!processExists(parentPid)) {
             // Can't log anything at this point, because out stdout was connected to the parent,
@@ -337,9 +392,9 @@
             console.log('Received SIGINT. Waiting for .NET process to exit...');
         });
     }
-	}
-	exports.exitWhenParentExits = exitWhenParentExits;
-	function processExists(pid) {
+}
+exports.exitWhenParentExits = exitWhenParentExits;
+function processExists(pid) {
     try {
         // Sending signal 0 - on all platforms - tests whether the process exists. As long as it doesn't
         // throw, that means it does exist.
@@ -354,8 +409,8 @@
         }
         return false;
     }
-	}
+}
 
 
-/***/ }
+/***/ })
 /******/ ])));

src/Microsoft.AspNetCore.NodeServices/HostingModels/HttpNodeInstance.cs

@@ -21,8 +21,8 @@ namespace Microsoft.AspNetCore.NodeServices.HostingModels
     /// <seealso cref="Microsoft.AspNetCore.NodeServices.HostingModels.OutOfProcessNodeInstance" />
     internal class HttpNodeInstance : OutOfProcessNodeInstance
     {
-        private static readonly Regex PortMessageRegex =
-            new Regex(@"^\[Microsoft.AspNetCore.NodeServices.HttpNodeHost:Listening on port (\d+)\]$");
+        private static readonly Regex EndpointMessageRegex =
+            new Regex(@"^\[Microsoft.AspNetCore.NodeServices.HttpNodeHost:Listening on {(.*?)} port (\d+)\]$");
 
         private static readonly JsonSerializerSettings jsonSerializerSettings = new JsonSerializerSettings
         {
@@ -32,7 +32,7 @@ namespace Microsoft.AspNetCore.NodeServices.HostingModels
 
         private readonly HttpClient _client;
         private bool _disposed;
-        private int _portNumber;
+        private string _endpoint;
 
         public HttpNodeInstance(NodeServicesOptions options, int port = 0)
         : base(
@@ -63,7 +63,7 @@ namespace Microsoft.AspNetCore.NodeServices.HostingModels
         {
             var payloadJson = JsonConvert.SerializeObject(invocationInfo, jsonSerializerSettings);
             var payload = new StringContent(payloadJson, Encoding.UTF8, "application/json");
-            var response = await _client.PostAsync("http://localhost:" + _portNumber, payload, cancellationToken);
+            var response = await _client.PostAsync(_endpoint, payload, cancellationToken);
 
             if (!response.IsSuccessStatusCode)
             {
@@ -111,13 +111,19 @@ namespace Microsoft.AspNetCore.NodeServices.HostingModels
 
         protected override void OnOutputDataReceived(string outputData)
         {
-            // Watch for "port selected" messages, and when observed, store the port number
+            // Watch for "port selected" messages, and when observed, 
+            // store the IP (IPv4/IPv6) and port number
             // so we can use it when making HTTP requests. The child process will always send
             // one of these messages before it sends a "ready for connections" message.
-            var match = _portNumber != 0 ? null : PortMessageRegex.Match(outputData);
+            var match = string.IsNullOrEmpty(_endpoint) ? EndpointMessageRegex.Match(outputData) : null;
             if (match != null && match.Success)
             {
-                _portNumber = int.Parse(match.Groups[1].Captures[0].Value);
+                var port = int.Parse(match.Groups[2].Captures[0].Value);
+                var resolvedIpAddress = match.Groups[1].Captures[0].Value;
+
+                //IPv6 must be wrapped with [] brackets
+                resolvedIpAddress = resolvedIpAddress == "::1" ? $"[{resolvedIpAddress}]" : resolvedIpAddress;
+                _endpoint = $"http://{resolvedIpAddress}:{port}";
             }
             else
             {

src/Microsoft.AspNetCore.NodeServices/TypeScript/HttpNodeInstanceEntryPoint.ts

@@ -6,6 +6,7 @@ import * as http from 'http';
 import * as path from 'path';
 import { parseArgs } from './Util/ArgsUtil';
 import { exitWhenParentExits } from './Util/ExitWhenParentExits';
+import { AddressInfo } from 'net';
 
 // Webpack doesn't support dynamic requires for files not present at compile time, so grab a direct
 // reference to Node's runtime 'require' function.
@@ -70,8 +71,10 @@ const server = http.createServer((req, res) => {
 const parsedArgs = parseArgs(process.argv);
 const requestedPortOrZero = parsedArgs.port || 0; // 0 means 'let the OS decide'
 server.listen(requestedPortOrZero, 'localhost', function () {
-    // Signal to HttpNodeHost which port it should make its HTTP connections on
-    console.log('[Microsoft.AspNetCore.NodeServices.HttpNodeHost:Listening on port ' + server.address().port + '\]');
+    const addressInfo = server.address() as AddressInfo;
+
+    // Signal to HttpNodeHost which loopback IP address (IPv4 or IPv6) and port it should make its HTTP connections on
+    console.log('[Microsoft.AspNetCore.NodeServices.HttpNodeHost:Listening on {' + addressInfo.address + '} port ' + addressInfo.port + '\]');
 
     // Signal to the NodeServices base class that we're ready to accept invocations
     console.log('[Microsoft.AspNetCore.NodeServices:Listening]');

src/Microsoft.AspNetCore.NodeServices/baseline.netcore.json

@@ -0,0 +1,935 @@
+{
+  "AssemblyIdentity": "Microsoft.AspNetCore.NodeServices, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.Extensions.DependencyInjection.NodeServicesServiceCollectionExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "AddNodeServices",
+          "Parameters": [
+            {
+              "Name": "serviceCollection",
+              "Type": "Microsoft.Extensions.DependencyInjection.IServiceCollection"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "AddNodeServices",
+          "Parameters": [
+            {
+              "Name": "serviceCollection",
+              "Type": "Microsoft.Extensions.DependencyInjection.IServiceCollection"
+            },
+            {
+              "Name": "setupAction",
+              "Type": "System.Action<Microsoft.AspNetCore.NodeServices.NodeServicesOptions>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.NodeServicesFactory",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "CreateNodeServices",
+          "Parameters": [
+            {
+              "Name": "options",
+              "Type": "Microsoft.AspNetCore.NodeServices.NodeServicesOptions"
+            }
+          ],
+          "ReturnType": "Microsoft.AspNetCore.NodeServices.INodeServices",
+          "Static": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.NodeServicesOptions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_NodeInstanceFactory",
+          "Parameters": [],
+          "ReturnType": "System.Func<Microsoft.AspNetCore.NodeServices.HostingModels.INodeInstance>",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_NodeInstanceFactory",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Func<Microsoft.AspNetCore.NodeServices.HostingModels.INodeInstance>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ProjectPath",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ProjectPath",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_WatchFileExtensions",
+          "Parameters": [],
+          "ReturnType": "System.String[]",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_WatchFileExtensions",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String[]"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_NodeInstanceOutputLogger",
+          "Parameters": [],
+          "ReturnType": "Microsoft.Extensions.Logging.ILogger",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_NodeInstanceOutputLogger",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "Microsoft.Extensions.Logging.ILogger"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_LaunchWithDebugging",
+          "Parameters": [],
+          "ReturnType": "System.Boolean",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_LaunchWithDebugging",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Boolean"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_DebuggingPort",
+          "Parameters": [],
+          "ReturnType": "System.Int32",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_DebuggingPort",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Int32"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_EnvironmentVariables",
+          "Parameters": [],
+          "ReturnType": "System.Collections.Generic.IDictionary<System.String, System.String>",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_EnvironmentVariables",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Collections.Generic.IDictionary<System.String, System.String>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_InvocationTimeoutMilliseconds",
+          "Parameters": [],
+          "ReturnType": "System.Int32",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_InvocationTimeoutMilliseconds",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Int32"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ApplicationStoppingToken",
+          "Parameters": [],
+          "ReturnType": "System.Threading.CancellationToken",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ApplicationStoppingToken",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Threading.CancellationToken"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "serviceProvider",
+              "Type": "System.IServiceProvider"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.INodeServices",
+      "Visibility": "Public",
+      "Kind": "Interface",
+      "Abstract": true,
+      "ImplementedInterfaces": [
+        "System.IDisposable"
+      ],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "InvokeAsync<T0>",
+          "Parameters": [
+            {
+              "Name": "moduleName",
+              "Type": "System.String"
+            },
+            {
+              "Name": "args",
+              "Type": "System.Object[]",
+              "IsParams": true
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task<T0>",
+          "GenericParameter": [
+            {
+              "ParameterName": "T",
+              "ParameterPosition": 0,
+              "BaseTypeOrInterfaces": []
+            }
+          ]
+        },
+        {
+          "Kind": "Method",
+          "Name": "InvokeAsync<T0>",
+          "Parameters": [
+            {
+              "Name": "cancellationToken",
+              "Type": "System.Threading.CancellationToken"
+            },
+            {
+              "Name": "moduleName",
+              "Type": "System.String"
+            },
+            {
+              "Name": "args",
+              "Type": "System.Object[]",
+              "IsParams": true
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task<T0>",
+          "GenericParameter": [
+            {
+              "ParameterName": "T",
+              "ParameterPosition": 0,
+              "BaseTypeOrInterfaces": []
+            }
+          ]
+        },
+        {
+          "Kind": "Method",
+          "Name": "InvokeExportAsync<T0>",
+          "Parameters": [
+            {
+              "Name": "moduleName",
+              "Type": "System.String"
+            },
+            {
+              "Name": "exportedFunctionName",
+              "Type": "System.String"
+            },
+            {
+              "Name": "args",
+              "Type": "System.Object[]",
+              "IsParams": true
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task<T0>",
+          "GenericParameter": [
+            {
+              "ParameterName": "T",
+              "ParameterPosition": 0,
+              "BaseTypeOrInterfaces": []
+            }
+          ]
+        },
+        {
+          "Kind": "Method",
+          "Name": "InvokeExportAsync<T0>",
+          "Parameters": [
+            {
+              "Name": "cancellationToken",
+              "Type": "System.Threading.CancellationToken"
+            },
+            {
+              "Name": "moduleName",
+              "Type": "System.String"
+            },
+            {
+              "Name": "exportedFunctionName",
+              "Type": "System.String"
+            },
+            {
+              "Name": "args",
+              "Type": "System.Object[]",
+              "IsParams": true
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task<T0>",
+          "GenericParameter": [
+            {
+              "ParameterName": "T",
+              "ParameterPosition": 0,
+              "BaseTypeOrInterfaces": []
+            }
+          ]
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.EmbeddedResourceReader",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Read",
+          "Parameters": [
+            {
+              "Name": "assemblyContainingType",
+              "Type": "System.Type"
+            },
+            {
+              "Name": "path",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.String",
+          "Static": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.StringAsTempFile",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Sealed": true,
+      "ImplementedInterfaces": [
+        "System.IDisposable"
+      ],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_FileName",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "Dispose",
+          "Parameters": [],
+          "ReturnType": "System.Void",
+          "Sealed": true,
+          "Virtual": true,
+          "ImplementedInterface": "System.IDisposable",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "Finalize",
+          "Parameters": [],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Override": true,
+          "Visibility": "Protected",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "content",
+              "Type": "System.String"
+            },
+            {
+              "Name": "applicationStoppingToken",
+              "Type": "System.Threading.CancellationToken"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.HostingModels.INodeInstance",
+      "Visibility": "Public",
+      "Kind": "Interface",
+      "Abstract": true,
+      "ImplementedInterfaces": [
+        "System.IDisposable"
+      ],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "InvokeExportAsync<T0>",
+          "Parameters": [
+            {
+              "Name": "cancellationToken",
+              "Type": "System.Threading.CancellationToken"
+            },
+            {
+              "Name": "moduleName",
+              "Type": "System.String"
+            },
+            {
+              "Name": "exportNameOrNull",
+              "Type": "System.String"
+            },
+            {
+              "Name": "args",
+              "Type": "System.Object[]",
+              "IsParams": true
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task<T0>",
+          "GenericParameter": [
+            {
+              "ParameterName": "T",
+              "ParameterPosition": 0,
+              "BaseTypeOrInterfaces": []
+            }
+          ]
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.HostingModels.NodeInvocationException",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "BaseType": "System.Exception",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_NodeInstanceUnavailable",
+          "Parameters": [],
+          "ReturnType": "System.Boolean",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_AllowConnectionDraining",
+          "Parameters": [],
+          "ReturnType": "System.Boolean",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "message",
+              "Type": "System.String"
+            },
+            {
+              "Name": "details",
+              "Type": "System.String"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "message",
+              "Type": "System.String"
+            },
+            {
+              "Name": "details",
+              "Type": "System.String"
+            },
+            {
+              "Name": "nodeInstanceUnavailable",
+              "Type": "System.Boolean"
+            },
+            {
+              "Name": "allowConnectionDraining",
+              "Type": "System.Boolean"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.HostingModels.NodeInvocationInfo",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_ModuleName",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ModuleName",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ExportedFunctionName",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ExportedFunctionName",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_Args",
+          "Parameters": [],
+          "ReturnType": "System.Object[]",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_Args",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Object[]"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.HostingModels.NodeServicesOptionsExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "UseHttpHosting",
+          "Parameters": [
+            {
+              "Name": "options",
+              "Type": "Microsoft.AspNetCore.NodeServices.NodeServicesOptions"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.HostingModels.OutOfProcessNodeInstance",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "ImplementedInterfaces": [
+        "Microsoft.AspNetCore.NodeServices.HostingModels.INodeInstance"
+      ],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Dispose",
+          "Parameters": [],
+          "ReturnType": "System.Void",
+          "Sealed": true,
+          "Virtual": true,
+          "ImplementedInterface": "System.IDisposable",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "InvokeExportAsync<T0>",
+          "Parameters": [
+            {
+              "Name": "cancellationToken",
+              "Type": "System.Threading.CancellationToken"
+            },
+            {
+              "Name": "moduleName",
+              "Type": "System.String"
+            },
+            {
+              "Name": "exportNameOrNull",
+              "Type": "System.String"
+            },
+            {
+              "Name": "args",
+              "Type": "System.Object[]",
+              "IsParams": true
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task<T0>",
+          "Sealed": true,
+          "Virtual": true,
+          "ImplementedInterface": "Microsoft.AspNetCore.NodeServices.HostingModels.INodeInstance",
+          "Visibility": "Public",
+          "GenericParameter": [
+            {
+              "ParameterName": "T",
+              "ParameterPosition": 0,
+              "BaseTypeOrInterfaces": []
+            }
+          ]
+        },
+        {
+          "Kind": "Method",
+          "Name": "InvokeExportAsync<T0>",
+          "Parameters": [
+            {
+              "Name": "invocationInfo",
+              "Type": "Microsoft.AspNetCore.NodeServices.HostingModels.NodeInvocationInfo"
+            },
+            {
+              "Name": "cancellationToken",
+              "Type": "System.Threading.CancellationToken"
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task<T0>",
+          "Virtual": true,
+          "Abstract": true,
+          "Visibility": "Protected",
+          "GenericParameter": [
+            {
+              "ParameterName": "T",
+              "ParameterPosition": 0,
+              "BaseTypeOrInterfaces": []
+            }
+          ]
+        },
+        {
+          "Kind": "Method",
+          "Name": "PrepareNodeProcessStartInfo",
+          "Parameters": [
+            {
+              "Name": "entryPointFilename",
+              "Type": "System.String"
+            },
+            {
+              "Name": "projectPath",
+              "Type": "System.String"
+            },
+            {
+              "Name": "commandLineArguments",
+              "Type": "System.String"
+            },
+            {
+              "Name": "environmentVars",
+              "Type": "System.Collections.Generic.IDictionary<System.String, System.String>"
+            },
+            {
+              "Name": "launchWithDebugging",
+              "Type": "System.Boolean"
+            },
+            {
+              "Name": "debuggingPort",
+              "Type": "System.Int32"
+            }
+          ],
+          "ReturnType": "System.Diagnostics.ProcessStartInfo",
+          "Virtual": true,
+          "Visibility": "Protected",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "OnOutputDataReceived",
+          "Parameters": [
+            {
+              "Name": "outputData",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Protected",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "OnErrorDataReceived",
+          "Parameters": [
+            {
+              "Name": "errorData",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Protected",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "Dispose",
+          "Parameters": [
+            {
+              "Name": "disposing",
+              "Type": "System.Boolean"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Protected",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "Finalize",
+          "Parameters": [],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Override": true,
+          "Visibility": "Protected",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "entryPointScript",
+              "Type": "System.String"
+            },
+            {
+              "Name": "projectPath",
+              "Type": "System.String"
+            },
+            {
+              "Name": "watchFileExtensions",
+              "Type": "System.String[]"
+            },
+            {
+              "Name": "commandLineArguments",
+              "Type": "System.String"
+            },
+            {
+              "Name": "applicationStoppingToken",
+              "Type": "System.Threading.CancellationToken"
+            },
+            {
+              "Name": "nodeOutputLogger",
+              "Type": "Microsoft.Extensions.Logging.ILogger"
+            },
+            {
+              "Name": "environmentVars",
+              "Type": "System.Collections.Generic.IDictionary<System.String, System.String>"
+            },
+            {
+              "Name": "invocationTimeoutMilliseconds",
+              "Type": "System.Int32"
+            },
+            {
+              "Name": "launchWithDebugging",
+              "Type": "System.Boolean"
+            },
+            {
+              "Name": "debuggingPort",
+              "Type": "System.Int32"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Field",
+          "Name": "OutputLogger",
+          "Parameters": [],
+          "ReturnType": "Microsoft.Extensions.Logging.ILogger",
+          "ReadOnly": true,
+          "Visibility": "Protected",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}

src/Microsoft.AspNetCore.NodeServices/package.json

@@ -5,14 +5,15 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "build": "./node_modules/.bin/webpack"
+    "build": "webpack --mode production"
   },
   "author": "Microsoft",
   "license": "Apache-2.0",
   "devDependencies": {
-    "@types/node": "^6.0.42",
-    "ts-loader": "^0.8.2",
-    "typescript": "^2.0.0",
-    "webpack": "^1.13.1"
+    "@types/node": "^10.9.2",
+    "ts-loader": "^4.5.0",
+    "typescript": "^3.0.1",
+    "webpack": "^4.17.1",
+    "webpack-cli": "^3.1.0"
   }
 }

src/Microsoft.AspNetCore.NodeServices/webpack.config.js

@@ -1,12 +1,13 @@
+const path = require('path');
+
 module.exports = {
     target: 'node',
-    externals: ['fs', 'net', 'events', 'readline', 'stream'],
     resolve: {
         extensions: [ '.ts' ]
     },
     module: {
-        loaders: [
-            { test: /\.ts$/, loader: 'ts-loader' },
+        rules: [
+            { test: /\.ts$/, use: 'ts-loader' },
         ]
     },
     entry: {
@@ -14,7 +15,10 @@ module.exports = {
     },
     output: {
         libraryTarget: 'commonjs',
-        path: './Content/Node',
+        path: path.join(__dirname, 'Content', 'Node'),
         filename: '[name].js'
+    },
+    optimization: {
+        minimize: false
     }
 };

src/Microsoft.AspNetCore.SpaServices.Extensions/AngularCli/AngularCliBuilder.cs

@@ -20,7 +20,6 @@ namespace Microsoft.AspNetCore.SpaServices.AngularCli
     public class AngularCliBuilder : ISpaPrerendererBuilder
     {
         private static TimeSpan RegexMatchTimeout = TimeSpan.FromSeconds(5); // This is a development-time only feature, so a very long timeout is fine
-        private static TimeSpan BuildTimeout = TimeSpan.FromSeconds(50); // Note that the HTTP request itself by default times out after 60s, so you only get useful error information if this is shorter
 
         private readonly string _npmScriptName;
 
@@ -39,7 +38,7 @@ namespace Microsoft.AspNetCore.SpaServices.AngularCli
         }
 
         /// <inheritdoc />
-        public Task Build(ISpaBuilder spaBuilder)
+        public async Task Build(ISpaBuilder spaBuilder)
         {
             var sourcePath = spaBuilder.Options.SourcePath;
             if (string.IsNullOrEmpty(sourcePath))
@@ -57,18 +56,26 @@ namespace Microsoft.AspNetCore.SpaServices.AngularCli
                 null);
             npmScriptRunner.AttachToLogger(logger);
 
+            using (var stdOutReader = new EventedStreamStringReader(npmScriptRunner.StdOut))
             using (var stdErrReader = new EventedStreamStringReader(npmScriptRunner.StdErr))
             {
                 try
                 {
-                    return npmScriptRunner.StdOut.WaitForMatch(
-                        new Regex("chunk", RegexOptions.None, RegexMatchTimeout),
-                        BuildTimeout);
+                    await npmScriptRunner.StdOut.WaitForMatch(
+                        new Regex("Date", RegexOptions.None, RegexMatchTimeout));
                 }
                 catch (EndOfStreamException ex)
                 {
                     throw new InvalidOperationException(
-                        $"The NPM script '{_npmScriptName}' exited without indicating success. " +
+                        $"The NPM script '{_npmScriptName}' exited without indicating success.\n" +
+                        $"Output was: {stdOutReader.ReadAsString()}\n" +
+                        $"Error output was: {stdErrReader.ReadAsString()}", ex);
+                }
+                catch (OperationCanceledException ex)
+                {
+                    throw new InvalidOperationException(
+                        $"The NPM script '{_npmScriptName}' timed out without indicating success. " +
+                        $"Output was: {stdOutReader.ReadAsString()}\n" +
                         $"Error output was: {stdErrReader.ReadAsString()}", ex);
                 }
             }

src/Microsoft.AspNetCore.SpaServices.Extensions/AngularCli/AngularCliMiddleware.cs

@@ -10,6 +10,9 @@ using System;
 using System.IO;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using System.Threading;
+using System.Net.Http;
+using Microsoft.AspNetCore.SpaServices.Extensions.Util;
 
 namespace Microsoft.AspNetCore.SpaServices.AngularCli
 {
@@ -17,7 +20,6 @@ namespace Microsoft.AspNetCore.SpaServices.AngularCli
     {
         private const string LogCategoryName = "Microsoft.AspNetCore.SpaServices";
         private static TimeSpan RegexMatchTimeout = TimeSpan.FromSeconds(5); // This is a development-time only feature, so a very long timeout is fine
-        private static TimeSpan StartupTimeout = TimeSpan.FromSeconds(50); // Note that the HTTP request itself by default times out after 60s, so you only get useful error information if this is shorter
 
         public static void Attach(
             ISpaBuilder spaBuilder,
@@ -47,7 +49,16 @@ namespace Microsoft.AspNetCore.SpaServices.AngularCli
             var targetUriTask = angularCliServerInfoTask.ContinueWith(
                 task => new UriBuilder("http", "localhost", task.Result.Port).Uri);
 
-            SpaProxyingExtensions.UseProxyToSpaDevelopmentServer(spaBuilder, targetUriTask);
+            SpaProxyingExtensions.UseProxyToSpaDevelopmentServer(spaBuilder, () =>
+            {
+                // On each request, we create a separate startup task with its own timeout. That way, even if
+                // the first request times out, subsequent requests could still work.
+                var timeout = spaBuilder.Options.StartupTimeout;
+                return targetUriTask.WithTimeout(timeout,
+                    $"The Angular CLI process did not start listening for requests " +
+                    $"within the timeout period of {timeout.Seconds} seconds. " +
+                    $"Check the log output for error information.");
+            });
         }
 
         private static async Task<AngularCliServerInfo> StartAngularCliServerAsync(
@@ -66,8 +77,7 @@ namespace Microsoft.AspNetCore.SpaServices.AngularCli
                 try
                 {
                     openBrowserLine = await npmScriptRunner.StdOut.WaitForMatch(
-                        new Regex("open your browser on (http\\S+)", RegexOptions.None, RegexMatchTimeout),
-                        StartupTimeout);
+                        new Regex("open your browser on (http\\S+)", RegexOptions.None, RegexMatchTimeout));
                 }
                 catch (EndOfStreamException ex)
                 {
@@ -76,26 +86,57 @@ namespace Microsoft.AspNetCore.SpaServices.AngularCli
                         $"Angular CLI was listening for requests. The error output was: " +
                         $"{stdErrReader.ReadAsString()}", ex);
                 }
-                catch (TaskCanceledException ex)
-                {
-                    throw new InvalidOperationException(
-                        $"The Angular CLI process did not start listening for requests " +
-                        $"within the timeout period of {StartupTimeout.Seconds} seconds. " +
-                        $"Check the log output for error information.", ex);
-                }
             }
 
             var uri = new Uri(openBrowserLine.Groups[1].Value);
             var serverInfo = new AngularCliServerInfo { Port = uri.Port };
 
             // Even after the Angular CLI claims to be listening for requests, there's a short
-            // period where it will give an error if you make a request too quickly. Give it
-            // a moment to finish starting up.
-            await Task.Delay(500);
+            // period where it will give an error if you make a request too quickly
+            await WaitForAngularCliServerToAcceptRequests(uri);
 
             return serverInfo;
         }
 
+        private static async Task WaitForAngularCliServerToAcceptRequests(Uri cliServerUri)
+        {
+            // To determine when it's actually ready, try making HEAD requests to '/'. If it
+            // produces any HTTP response (even if it's 404) then it's ready. If it rejects the
+            // connection then it's not ready. We keep trying forever because this is dev-mode
+            // only, and only a single startup attempt will be made, and there's a further level
+            // of timeouts enforced on a per-request basis.
+            var timeoutMilliseconds = 1000;
+            using (var client = new HttpClient())
+            {
+                while (true)
+                {
+                    try
+                    {
+                        // If we get any HTTP response, the CLI server is ready
+                        await client.SendAsync(
+                            new HttpRequestMessage(HttpMethod.Head, cliServerUri),
+                            new CancellationTokenSource(timeoutMilliseconds).Token);
+                        return;
+                    }
+                    catch (Exception)
+                    {
+                        await Task.Delay(500);
+
+                        // Depending on the host's networking configuration, the requests can take a while
+                        // to go through, most likely due to the time spent resolving 'localhost'.
+                        // Each time we have a failure, allow a bit longer next time (up to a maximum).
+                        // This only influences the time until we regard the dev server as 'ready', so it
+                        // doesn't affect the runtime perf (even in dev mode) once the first connection is made.
+                        // Resolves https://github.com/aspnet/JavaScriptServices/issues/1611
+                        if (timeoutMilliseconds < 10000)
+                        {
+                            timeoutMilliseconds += 3000;
+                        }
+                    }
+                }
+            }
+        }
+
         class AngularCliServerInfo
         {
             public int Port { get; set; }

src/Microsoft.AspNetCore.SpaServices.Extensions/Prerendering/SpaPrerenderingExtensions.cs

@@ -6,6 +6,7 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.NodeServices;
 using Microsoft.AspNetCore.SpaServices;
+using Microsoft.AspNetCore.SpaServices.Extensions.Util;
 using Microsoft.AspNetCore.SpaServices.Prerendering;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Net.Http.Headers;
@@ -68,6 +69,7 @@ namespace Microsoft.AspNetCore.Builder
             var excludePathStrings = (options.ExcludeUrls ?? Array.Empty<string>())
                 .Select(url => new PathString(url))
                 .ToArray();
+            var buildTimeout = spaBuilder.Options.StartupTimeout;
 
             applicationBuilder.Use(async (context, next) =>
             {
@@ -85,9 +87,15 @@ namespace Microsoft.AspNetCore.Builder
                 }
 
                 // If we're building on demand, wait for that to finish, or raise any build errors
-                if (buildOnDemandTask != null)
+                if (buildOnDemandTask != null && !buildOnDemandTask.IsCompleted)
                 {
-                    await buildOnDemandTask;
+                    // For better debuggability, create a per-request timeout that makes it clear if the
+                    // prerendering builder took too long for this request, but without aborting the
+                    // underlying build task so that subsequent requests could still work.
+                    await buildOnDemandTask.WithTimeout(buildTimeout,
+                        $"The prerendering build process did not complete within the " +
+                        $"timeout period of {buildTimeout.Seconds} seconds. " +
+                        $"Check the log output for error information.");
                 }
 
                 // It's no good if we try to return a 304. We need to capture the actual
@@ -225,7 +233,8 @@ namespace Microsoft.AspNetCore.Builder
 
             if (!string.IsNullOrEmpty(renderResult.RedirectUrl))
             {
-                context.Response.Redirect(renderResult.RedirectUrl);
+                var permanentRedirect = renderResult.StatusCode.GetValueOrDefault() == 301;
+                context.Response.Redirect(renderResult.RedirectUrl, permanentRedirect);
             }
             else
             {
@@ -239,6 +248,11 @@ namespace Microsoft.AspNetCore.Builder
                         $"embed any information you wish to return to the client.");
                 }
 
+                if (renderResult.StatusCode.HasValue)
+                {
+                    context.Response.StatusCode = renderResult.StatusCode.Value;
+                }
+
                 context.Response.ContentType = "text/html";
                 await context.Response.WriteAsync(renderResult.Html);
             }

src/Microsoft.AspNetCore.SpaServices.Extensions/Proxying/SpaProxy.cs

@@ -22,7 +22,9 @@ namespace Microsoft.AspNetCore.SpaServices.Extensions.Proxy
         private const int DefaultWebSocketBufferSize = 4096;
         private const int StreamCopyBufferSize = 81920;
 
-        private static readonly string[] NotForwardedWebSocketHeaders = new[] { "Connection", "Host", "Upgrade", "Sec-WebSocket-Key", "Sec-WebSocket-Version" };
+        // Don't forward User-Agent/Accept because of https://github.com/aspnet/JavaScriptServices/issues/1469
+        // Others just aren't applicable in proxy scenarios
+        private static readonly string[] NotForwardedWebSocketHeaders = new[] { "Accept", "Connection", "Host", "User-Agent", "Upgrade", "Sec-WebSocket-Key", "Sec-WebSocket-Version" };
 
         public static HttpClient CreateHttpClientForProxy(TimeSpan requestTimeout)
         {
@@ -203,9 +205,21 @@ namespace Microsoft.AspNetCore.SpaServices.Extensions.Proxy
                 foreach (var headerEntry in context.Request.Headers)
                 {
                     if (!NotForwardedWebSocketHeaders.Contains(headerEntry.Key, StringComparer.OrdinalIgnoreCase))
+                    {
+                        try
                         {
                             client.Options.SetRequestHeader(headerEntry.Key, headerEntry.Value);
                         }
+                        catch (ArgumentException)
+                        {
+                            // On net461, certain header names are reserved and can't be set.
+                            // We filter out the known ones via the test above, but there could
+                            // be others arbitrarily set by the client. It's not helpful to
+                            // consider it an error, so just skip non-forwardable headers.
+                            // The perf implications of handling this via a catch aren't an
+                            // issue since this is a dev-time only feature.
+                        }
+                    }
                 }
 
                 try

src/Microsoft.AspNetCore.SpaServices.Extensions/Proxying/SpaProxyingExtensions.cs

@@ -45,7 +45,7 @@ namespace Microsoft.AspNetCore.Builder
         {
             UseProxyToSpaDevelopmentServer(
                 spaBuilder,
-                Task.FromResult(baseUri));
+                () => Task.FromResult(baseUri));
         }
 
         /// <summary>
@@ -54,10 +54,10 @@ namespace Microsoft.AspNetCore.Builder
         /// development. Do not enable this middleware in production applications.
         /// </summary>
         /// <param name="spaBuilder">The <see cref="ISpaBuilder"/>.</param>
-        /// <param name="baseUriTask">A <see cref="Task"/> that resolves with the target base URI to which requests should be proxied.</param>
+        /// <param name="baseUriTaskFactory">A callback that will be invoked on each request to supply a <see cref="Task"/> that resolves with the target base URI to which requests should be proxied.</param>
         public static void UseProxyToSpaDevelopmentServer(
             this ISpaBuilder spaBuilder,
-            Task<Uri> baseUriTask)
+            Func<Task<Uri>> baseUriTaskFactory)
         {
             var applicationBuilder = spaBuilder.ApplicationBuilder;
             var applicationStoppingToken = GetStoppingToken(applicationBuilder);
@@ -72,11 +72,11 @@ namespace Microsoft.AspNetCore.Builder
             var neverTimeOutHttpClient =
                 SpaProxy.CreateHttpClientForProxy(Timeout.InfiniteTimeSpan);
 
-            // Proxy all requests into the Angular CLI server
+            // Proxy all requests to the SPA development server
             applicationBuilder.Use(async (context, next) =>
             {
                 var didProxyRequest = await SpaProxy.PerformProxyRequest(
-                    context, neverTimeOutHttpClient, baseUriTask, applicationStoppingToken,
+                    context, neverTimeOutHttpClient, baseUriTaskFactory(), applicationStoppingToken,
                     proxy404s: true);
             });
         }

src/Microsoft.AspNetCore.SpaServices.Extensions/ReactDevelopmentServer/ReactDevelopmentServerMiddleware.cs

@@ -11,6 +11,7 @@ using System.IO;
 using System.Collections.Generic;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.SpaServices.Extensions.Util;
 
 namespace Microsoft.AspNetCore.SpaServices.ReactDevelopmentServer
 {
@@ -18,7 +19,6 @@ namespace Microsoft.AspNetCore.SpaServices.ReactDevelopmentServer
     {
         private const string LogCategoryName = "Microsoft.AspNetCore.SpaServices";
         private static TimeSpan RegexMatchTimeout = TimeSpan.FromSeconds(5); // This is a development-time only feature, so a very long timeout is fine
-        private static TimeSpan StartupTimeout = TimeSpan.FromSeconds(50); // Note that the HTTP request itself by default times out after 60s, so you only get useful error information if this is shorter
 
         public static void Attach(
             ISpaBuilder spaBuilder,
@@ -48,7 +48,16 @@ namespace Microsoft.AspNetCore.SpaServices.ReactDevelopmentServer
             var targetUriTask = portTask.ContinueWith(
                 task => new UriBuilder("http", "localhost", task.Result).Uri);
 
-            SpaProxyingExtensions.UseProxyToSpaDevelopmentServer(spaBuilder, targetUriTask);
+            SpaProxyingExtensions.UseProxyToSpaDevelopmentServer(spaBuilder, () =>
+            {
+                // On each request, we create a separate startup task with its own timeout. That way, even if
+                // the first request times out, subsequent requests could still work.
+                var timeout = spaBuilder.Options.StartupTimeout;
+                return targetUriTask.WithTimeout(timeout,
+                    $"The create-react-app server did not start listening for requests " +
+                    $"within the timeout period of {timeout.Seconds} seconds. " +
+                    $"Check the log output for error information.");
+            });
         }
 
         private static async Task<int> StartCreateReactAppServerAsync(
@@ -75,8 +84,7 @@ namespace Microsoft.AspNetCore.SpaServices.ReactDevelopmentServer
                     // no compiler warnings. So instead of waiting for that, consider it ready as soon
                     // as it starts listening for requests.
                     await npmScriptRunner.StdOut.WaitForMatch(
-                        new Regex("Starting the development server", RegexOptions.None, RegexMatchTimeout),
-                        StartupTimeout);
+                        new Regex("Starting the development server", RegexOptions.None, RegexMatchTimeout));
                 }
                 catch (EndOfStreamException ex)
                 {
@@ -85,13 +93,6 @@ namespace Microsoft.AspNetCore.SpaServices.ReactDevelopmentServer
                         $"create-react-app server was listening for requests. The error output was: " +
                         $"{stdErrReader.ReadAsString()}", ex);
                 }
-                catch (TaskCanceledException ex)
-                {
-                    throw new InvalidOperationException(
-                        $"The create-react-app server did not start listening for requests " +
-                        $"within the timeout period of {StartupTimeout.Seconds} seconds. " +
-                        $"Check the log output for error information.", ex);
-                }
             }
 
             return portNumber;

src/Microsoft.AspNetCore.SpaServices.Extensions/SpaDefaultPageMiddleware.cs

@@ -31,7 +31,7 @@ namespace Microsoft.AspNetCore.SpaServices
             // Developers who need to host more than one SPA with distinct default pages can
             // override the file provider
             app.UseSpaStaticFilesInternal(
-                overrideFileProvider: options.DefaultPageFileProvider,
+                options.DefaultPageStaticFileOptions ?? new StaticFileOptions(),
                 allowFallbackOnServingWebRootFiles: true);
 
             // If the default file didn't get served as a static file (usually because it was not

src/Microsoft.AspNetCore.SpaServices.Extensions/SpaOptions.cs

@@ -1,6 +1,7 @@
 // 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.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.FileProviders;
@@ -29,7 +30,7 @@ namespace Microsoft.AspNetCore.SpaServices
         internal SpaOptions(SpaOptions copyFromOptions)
         {
             _defaultPage = copyFromOptions.DefaultPage;
-            DefaultPageFileProvider = copyFromOptions.DefaultPageFileProvider;
+            DefaultPageStaticFileOptions = copyFromOptions.DefaultPageStaticFileOptions;
             SourcePath = copyFromOptions.SourcePath;
         }
 
@@ -52,14 +53,14 @@ namespace Microsoft.AspNetCore.SpaServices
         }
 
         /// <summary>
-        /// Gets or sets the <see cref="IFileProvider"/> that supplies content
+        /// Gets or sets the <see cref="StaticFileOptions"/> that supplies content
         /// for serving the SPA's default page.
         /// 
         /// If not set, a default file provider will read files from the
         /// <see cref="IHostingEnvironment.WebRootPath"/>, which by default is
         /// the <c>wwwroot</c> directory.
         /// </summary>
-        public IFileProvider DefaultPageFileProvider { get; set; }
+        public StaticFileOptions DefaultPageStaticFileOptions { get; set; }
 
         /// <summary>
         /// Gets or sets the path, relative to the application working directory,
@@ -67,5 +68,11 @@ namespace Microsoft.AspNetCore.SpaServices
         /// development. The directory may not exist in published applications.
         /// </summary>
         public string SourcePath { get; set; }
+
+        /// <summary>
+        /// Gets or sets the maximum duration that a request will wait for the SPA
+        /// to become ready to serve to the client.
+        /// </summary>
+        public TimeSpan StartupTimeout { get; set; } = TimeSpan.FromSeconds(50);
     }
 }

src/Microsoft.AspNetCore.SpaServices.Extensions/StaticFiles/SpaStaticFilesExtensions.cs

@@ -50,53 +50,75 @@ namespace Microsoft.Extensions.DependencyInjection
         /// </summary>
         /// <param name="applicationBuilder">The <see cref="IApplicationBuilder"/>.</param>
         public static void UseSpaStaticFiles(this IApplicationBuilder applicationBuilder)
+        {
+            UseSpaStaticFiles(applicationBuilder, new StaticFileOptions());
+        }
+
+        /// <summary>
+        /// Configures the application to serve static files for a Single Page Application (SPA).
+        /// The files will be located using the registered <see cref="ISpaStaticFileProvider"/> service.
+        /// </summary>
+        /// <param name="applicationBuilder">The <see cref="IApplicationBuilder"/>.</param>
+        /// <param name="options">Specifies options for serving the static files.</param>
+        public static void UseSpaStaticFiles(this IApplicationBuilder applicationBuilder, StaticFileOptions options)
         {
             if (applicationBuilder == null)
             {
                 throw new ArgumentNullException(nameof(applicationBuilder));
             }
 
+            if (options == null)
+            {
+                throw new ArgumentNullException(nameof(options));
+            }
+
             UseSpaStaticFilesInternal(applicationBuilder,
-                overrideFileProvider: null,
+                staticFileOptions: options,
                 allowFallbackOnServingWebRootFiles: false);
         }
 
         internal static void UseSpaStaticFilesInternal(
             this IApplicationBuilder app,
-            IFileProvider overrideFileProvider,
+            StaticFileOptions staticFileOptions,
             bool allowFallbackOnServingWebRootFiles)
         {
-            var shouldServeStaticFiles = ShouldServeStaticFiles(
-                app,
-                overrideFileProvider,
-                allowFallbackOnServingWebRootFiles,
-                out var fileProviderOrDefault);
-
-            if (shouldServeStaticFiles)
+            if (staticFileOptions == null)
             {
-                app.UseStaticFiles(new StaticFileOptions
-                {
-                    FileProvider = fileProviderOrDefault
-                });
-            }
+                throw new ArgumentNullException(nameof(staticFileOptions));
             }
 
-        private static bool ShouldServeStaticFiles(
-            IApplicationBuilder app,
-            IFileProvider overrideFileProvider,
-            bool allowFallbackOnServingWebRootFiles,
-            out IFileProvider fileProviderOrDefault)
-        {
-            if (overrideFileProvider != null)
-            {
             // If the file provider was explicitly supplied, that takes precedence over any other
             // configured file provider. This is most useful if the application hosts multiple SPAs
             // (via multiple calls to UseSpa()), so each needs to serve its own separate static files
             // instead of using AddSpaStaticFiles/UseSpaStaticFiles.
-                fileProviderOrDefault = overrideFileProvider;
-                return true;
+            // But if no file provider was specified, try to get one from the DI config.
+            if (staticFileOptions.FileProvider == null)
+            {
+                var shouldServeStaticFiles = ShouldServeStaticFiles(
+                    app,
+                    allowFallbackOnServingWebRootFiles,
+                    out var fileProviderOrDefault);
+                if (shouldServeStaticFiles)
+                {
+                    staticFileOptions.FileProvider = fileProviderOrDefault;
+                }
+                else
+                {
+                    // The registered ISpaStaticFileProvider says we shouldn't
+                    // serve static files
+                    return;
+                }
             }
 
+            
+            app.UseStaticFiles(staticFileOptions);
+        }
+
+        private static bool ShouldServeStaticFiles(
+            IApplicationBuilder app,
+            bool allowFallbackOnServingWebRootFiles,
+            out IFileProvider fileProviderOrDefault)
+        {
             var spaStaticFilesService = app.ApplicationServices.GetService<ISpaStaticFileProvider>();
             if (spaStaticFilesService != null)
             {

src/Microsoft.AspNetCore.SpaServices.Extensions/Util/EventedStreamReader.cs

@@ -34,7 +34,7 @@ namespace Microsoft.AspNetCore.NodeServices.Util
             Task.Factory.StartNew(Run);
         }
 
-        public Task<Match> WaitForMatch(Regex regex, TimeSpan timeout = default)
+        public Task<Match> WaitForMatch(Regex regex)
         {
             var tcs = new TaskCompletionSource<Match>();
             var completionLock = new object();
@@ -72,15 +72,6 @@ namespace Microsoft.AspNetCore.NodeServices.Util
             OnReceivedLine += onReceivedLineHandler;
             OnStreamClosed += onStreamClosedHandler;
 
-            if (timeout != default)
-            {
-                var timeoutToken = new CancellationTokenSource(timeout);
-                timeoutToken.Token.Register(() =>
-                {
-                    ResolveIfStillPending(() => tcs.SetCanceled());
-                });
-            }
-
             return tcs.Task;
         }
 

src/Microsoft.AspNetCore.SpaServices.Extensions/Util/TaskTimeoutExtensions.cs

@@ -0,0 +1,35 @@
+// 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.Threading.Tasks;
+
+namespace Microsoft.AspNetCore.SpaServices.Extensions.Util
+{
+    internal static class TaskTimeoutExtensions
+    {
+        public static async Task WithTimeout(this Task task, TimeSpan timeoutDelay, string message)
+        {
+            if (task == await Task.WhenAny(task, Task.Delay(timeoutDelay)))
+            {
+                task.Wait(); // Allow any errors to propagate
+            }
+            else
+            {
+                throw new TimeoutException(message);
+            }
+        }
+
+        public static async Task<T> WithTimeout<T>(this Task<T> task, TimeSpan timeoutDelay, string message)
+        {
+            if (task == await Task.WhenAny(task, Task.Delay(timeoutDelay)))
+            {
+                return task.Result;
+            }
+            else
+            {
+                throw new TimeoutException(message);
+            }
+        }
+    }
+}

src/Microsoft.AspNetCore.SpaServices.Extensions/baseline.netcore.json

@@ -0,0 +1,825 @@
+{
+  "AssemblyIdentity": "Microsoft.AspNetCore.SpaServices.Extensions, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.Extensions.DependencyInjection.SpaStaticFilesExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "AddSpaStaticFiles",
+          "Parameters": [
+            {
+              "Name": "services",
+              "Type": "Microsoft.Extensions.DependencyInjection.IServiceCollection"
+            },
+            {
+              "Name": "configuration",
+              "Type": "System.Action<Microsoft.AspNetCore.SpaServices.StaticFiles.SpaStaticFilesOptions>",
+              "DefaultValue": "null"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "UseSpaStaticFiles",
+          "Parameters": [
+            {
+              "Name": "applicationBuilder",
+              "Type": "Microsoft.AspNetCore.Builder.IApplicationBuilder"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "UseSpaStaticFiles",
+          "Parameters": [
+            {
+              "Name": "applicationBuilder",
+              "Type": "Microsoft.AspNetCore.Builder.IApplicationBuilder"
+            },
+            {
+              "Name": "options",
+              "Type": "Microsoft.AspNetCore.Builder.StaticFileOptions"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.Builder.SpaPrerenderingExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "UseSpaPrerendering",
+          "Parameters": [
+            {
+              "Name": "spaBuilder",
+              "Type": "Microsoft.AspNetCore.SpaServices.ISpaBuilder"
+            },
+            {
+              "Name": "configuration",
+              "Type": "System.Action<Microsoft.AspNetCore.Builder.SpaPrerenderingOptions>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.Builder.SpaPrerenderingOptions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_BootModuleBuilder",
+          "Parameters": [],
+          "ReturnType": "Microsoft.AspNetCore.SpaServices.Prerendering.ISpaPrerendererBuilder",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_BootModuleBuilder",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "Microsoft.AspNetCore.SpaServices.Prerendering.ISpaPrerendererBuilder"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_BootModulePath",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_BootModulePath",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ExcludeUrls",
+          "Parameters": [],
+          "ReturnType": "System.String[]",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ExcludeUrls",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String[]"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_SupplyData",
+          "Parameters": [],
+          "ReturnType": "System.Action<Microsoft.AspNetCore.Http.HttpContext, System.Collections.Generic.IDictionary<System.String, System.Object>>",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_SupplyData",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Action<Microsoft.AspNetCore.Http.HttpContext, System.Collections.Generic.IDictionary<System.String, System.Object>>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.Builder.SpaProxyingExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "UseProxyToSpaDevelopmentServer",
+          "Parameters": [
+            {
+              "Name": "spaBuilder",
+              "Type": "Microsoft.AspNetCore.SpaServices.ISpaBuilder"
+            },
+            {
+              "Name": "baseUri",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "UseProxyToSpaDevelopmentServer",
+          "Parameters": [
+            {
+              "Name": "spaBuilder",
+              "Type": "Microsoft.AspNetCore.SpaServices.ISpaBuilder"
+            },
+            {
+              "Name": "baseUri",
+              "Type": "System.Uri"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "UseProxyToSpaDevelopmentServer",
+          "Parameters": [
+            {
+              "Name": "spaBuilder",
+              "Type": "Microsoft.AspNetCore.SpaServices.ISpaBuilder"
+            },
+            {
+              "Name": "baseUriTaskFactory",
+              "Type": "System.Func<System.Threading.Tasks.Task<System.Uri>>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.Builder.SpaApplicationBuilderExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "UseSpa",
+          "Parameters": [
+            {
+              "Name": "app",
+              "Type": "Microsoft.AspNetCore.Builder.IApplicationBuilder"
+            },
+            {
+              "Name": "configuration",
+              "Type": "System.Action<Microsoft.AspNetCore.SpaServices.ISpaBuilder>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.ISpaBuilder",
+      "Visibility": "Public",
+      "Kind": "Interface",
+      "Abstract": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_ApplicationBuilder",
+          "Parameters": [],
+          "ReturnType": "Microsoft.AspNetCore.Builder.IApplicationBuilder",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_Options",
+          "Parameters": [],
+          "ReturnType": "Microsoft.AspNetCore.SpaServices.SpaOptions",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.SpaOptions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_DefaultPage",
+          "Parameters": [],
+          "ReturnType": "Microsoft.AspNetCore.Http.PathString",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_DefaultPage",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "Microsoft.AspNetCore.Http.PathString"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_DefaultPageStaticFileOptions",
+          "Parameters": [],
+          "ReturnType": "Microsoft.AspNetCore.Builder.StaticFileOptions",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_DefaultPageStaticFileOptions",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "Microsoft.AspNetCore.Builder.StaticFileOptions"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_SourcePath",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_SourcePath",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_StartupTimeout",
+          "Parameters": [],
+          "ReturnType": "System.TimeSpan",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_StartupTimeout",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.TimeSpan"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.StaticFiles.ISpaStaticFileProvider",
+      "Visibility": "Public",
+      "Kind": "Interface",
+      "Abstract": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_FileProvider",
+          "Parameters": [],
+          "ReturnType": "Microsoft.Extensions.FileProviders.IFileProvider",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.StaticFiles.SpaStaticFilesOptions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_RootPath",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_RootPath",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.ReactDevelopmentServer.ReactDevelopmentServerMiddlewareExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "UseReactDevelopmentServer",
+          "Parameters": [
+            {
+              "Name": "spaBuilder",
+              "Type": "Microsoft.AspNetCore.SpaServices.ISpaBuilder"
+            },
+            {
+              "Name": "npmScript",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.Prerendering.ISpaPrerendererBuilder",
+      "Visibility": "Public",
+      "Kind": "Interface",
+      "Abstract": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Build",
+          "Parameters": [
+            {
+              "Name": "spaBuilder",
+              "Type": "Microsoft.AspNetCore.SpaServices.ISpaBuilder"
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.AngularCli.AngularCliBuilder",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [
+        "Microsoft.AspNetCore.SpaServices.Prerendering.ISpaPrerendererBuilder"
+      ],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Build",
+          "Parameters": [
+            {
+              "Name": "spaBuilder",
+              "Type": "Microsoft.AspNetCore.SpaServices.ISpaBuilder"
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task",
+          "Sealed": true,
+          "Virtual": true,
+          "ImplementedInterface": "Microsoft.AspNetCore.SpaServices.Prerendering.ISpaPrerendererBuilder",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "npmScript",
+              "Type": "System.String"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.AngularCli.AngularCliMiddlewareExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "UseAngularCliServer",
+          "Parameters": [
+            {
+              "Name": "spaBuilder",
+              "Type": "Microsoft.AspNetCore.SpaServices.ISpaBuilder"
+            },
+            {
+              "Name": "npmScript",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.Util.EventedStreamReader+OnReceivedChunkHandler",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Sealed": true,
+      "BaseType": "System.MulticastDelegate",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Invoke",
+          "Parameters": [
+            {
+              "Name": "chunk",
+              "Type": "System.ArraySegment<System.Char>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "BeginInvoke",
+          "Parameters": [
+            {
+              "Name": "chunk",
+              "Type": "System.ArraySegment<System.Char>"
+            },
+            {
+              "Name": "callback",
+              "Type": "System.AsyncCallback"
+            },
+            {
+              "Name": "object",
+              "Type": "System.Object"
+            }
+          ],
+          "ReturnType": "System.IAsyncResult",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "EndInvoke",
+          "Parameters": [
+            {
+              "Name": "result",
+              "Type": "System.IAsyncResult"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "object",
+              "Type": "System.Object"
+            },
+            {
+              "Name": "method",
+              "Type": "System.IntPtr"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.Util.EventedStreamReader+OnReceivedLineHandler",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Sealed": true,
+      "BaseType": "System.MulticastDelegate",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Invoke",
+          "Parameters": [
+            {
+              "Name": "line",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "BeginInvoke",
+          "Parameters": [
+            {
+              "Name": "line",
+              "Type": "System.String"
+            },
+            {
+              "Name": "callback",
+              "Type": "System.AsyncCallback"
+            },
+            {
+              "Name": "object",
+              "Type": "System.Object"
+            }
+          ],
+          "ReturnType": "System.IAsyncResult",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "EndInvoke",
+          "Parameters": [
+            {
+              "Name": "result",
+              "Type": "System.IAsyncResult"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "object",
+              "Type": "System.Object"
+            },
+            {
+              "Name": "method",
+              "Type": "System.IntPtr"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.NodeServices.Util.EventedStreamReader+OnStreamClosedHandler",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Sealed": true,
+      "BaseType": "System.MulticastDelegate",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Invoke",
+          "Parameters": [],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "BeginInvoke",
+          "Parameters": [
+            {
+              "Name": "callback",
+              "Type": "System.AsyncCallback"
+            },
+            {
+              "Name": "object",
+              "Type": "System.Object"
+            }
+          ],
+          "ReturnType": "System.IAsyncResult",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "EndInvoke",
+          "Parameters": [
+            {
+              "Name": "result",
+              "Type": "System.IAsyncResult"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Virtual": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "object",
+              "Type": "System.Object"
+            },
+            {
+              "Name": "method",
+              "Type": "System.IntPtr"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}

src/Microsoft.AspNetCore.SpaServices/Content/Node/prerenderer.js

@@ -1,75 +1,121 @@
 (function(e, a) { for(var i in a) e[i] = a[i]; }(exports, /******/ (function(modules) { // webpackBootstrap
 /******/ 	// The module cache
 /******/ 	var installedModules = {};
-
+/******/
 /******/ 	// The require function
 /******/ 	function __webpack_require__(moduleId) {
-
+/******/
 /******/ 		// Check if module is in cache
-/******/ 		if(installedModules[moduleId])
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+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
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+/******/ 			function getModuleExports() { return module; };
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-
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+/******/ 	return __webpack_require__(__webpack_require__.s = 0);
 /******/ })
 /************************************************************************/
 /******/ ([
 /* 0 */
-/***/ function(module, exports, __webpack_require__) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	module.exports = __webpack_require__(1);
+module.exports = __webpack_require__(1);
 
 
-/***/ },
+/***/ }),
 /* 1 */
-/***/ function(module, exports, __webpack_require__) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	"use strict";
-	var path = __webpack_require__(2);
-	// Separate declaration and export just to add type checking on function signature
-	exports.renderToString = renderToStringImpl;
-	// This function is invoked by .NET code (via NodeServices). Its job is to hand off execution to the application's
-	// prerendering boot function. It can operate in two modes:
-	// [1] Legacy mode
-	//     This is for backward compatibility with projects created with templates older than the generator version 0.6.0.
-	//     In this mode, we don't really do anything here - we just load the 'aspnet-prerendering' NPM module (which must
-	//     exist in node_modules, and must be v1.x (not v2+)), and pass through all the parameters to it. Code in
-	//     'aspnet-prerendering' v1.x will locate the boot function and invoke it.
-	//     The drawback to this mode is that, for it to work, you have to deploy node_modules to production.
-	// [2] Current mode
-	//     This is for projects created with the Yeoman generator 0.6.0+ (or projects manually updated). In this mode,
-	//     we don't invoke 'require' at runtime at all. All our dependencies are bundled into the NuGet package, so you
-	//     don't have to deploy node_modules to production.
-	// To determine whether we're in mode [1] or [2], the code locates your prerendering boot function, and checks whether
-	// a certain flag is attached to the function instance.
-	function renderToStringImpl(callback, applicationBasePath, bootModule, absoluteRequestUrl, requestPathAndQuery, customDataParameter, overrideTimeoutMilliseconds) {
+"use strict";
+
+exports.__esModule = true;
+var path = __webpack_require__(2);
+// Separate declaration and export just to add type checking on function signature
+exports.renderToString = renderToStringImpl;
+// This function is invoked by .NET code (via NodeServices). Its job is to hand off execution to the application's
+// prerendering boot function. It can operate in two modes:
+// [1] Legacy mode
+//     This is for backward compatibility with projects created with templates older than the generator version 0.6.0.
+//     In this mode, we don't really do anything here - we just load the 'aspnet-prerendering' NPM module (which must
+//     exist in node_modules, and must be v1.x (not v2+)), and pass through all the parameters to it. Code in
+//     'aspnet-prerendering' v1.x will locate the boot function and invoke it.
+//     The drawback to this mode is that, for it to work, you have to deploy node_modules to production.
+// [2] Current mode
+//     This is for projects created with the Yeoman generator 0.6.0+ (or projects manually updated). In this mode,
+//     we don't invoke 'require' at runtime at all. All our dependencies are bundled into the NuGet package, so you
+//     don't have to deploy node_modules to production.
+// To determine whether we're in mode [1] or [2], the code locates your prerendering boot function, and checks whether
+// a certain flag is attached to the function instance.
+function renderToStringImpl(callback, applicationBasePath, bootModule, absoluteRequestUrl, requestPathAndQuery, customDataParameter, overrideTimeoutMilliseconds) {
     try {
         var forceLegacy = isLegacyAspNetPrerendering();
         var renderToStringFunc = !forceLegacy && findRenderToStringFunc(applicationBasePath, bootModule);
@@ -99,9 +145,9 @@
             + '\nCurrent directory is: '
             + process.cwd());
     }
-	}
-	;
-	function findBootModule(applicationBasePath, bootModule) {
+}
+;
+function findBootModule(applicationBasePath, bootModule) {
     var bootModuleNameFullPath = path.resolve(applicationBasePath, bootModule.moduleName);
     if (bootModule.webpackConfig) {
         // If you're using asp-prerender-webpack-config, you're definitely in legacy mode
@@ -110,8 +156,8 @@
     else {
         return require(bootModuleNameFullPath);
     }
-	}
-	function findRenderToStringFunc(applicationBasePath, bootModule) {
+}
+function findRenderToStringFunc(applicationBasePath, bootModule) {
     // First try to load the module
     var foundBootModule = findBootModule(applicationBasePath, bootModule);
     if (foundBootModule === null) {
@@ -125,7 +171,7 @@
     }
     else if (typeof foundBootModule !== 'function') {
         // TypeScript-style default export
-	        renderToStringFunc = foundBootModule.default;
+        renderToStringFunc = foundBootModule["default"];
     }
     else {
         // Native default export
@@ -141,12 +187,12 @@
         }
     }
     return renderToStringFunc;
-	}
-	function isLegacyAspNetPrerendering() {
+}
+function isLegacyAspNetPrerendering() {
     var version = getAspNetPrerenderingPackageVersion();
     return version && /^1\./.test(version);
-	}
-	function getAspNetPrerenderingPackageVersion() {
+}
+function getAspNetPrerenderingPackageVersion() {
     try {
         var packageEntryPoint = require.resolve('aspnet-prerendering');
         var packageDir = path.dirname(packageEntryPoint);
@@ -159,20 +205,20 @@
         // which will be the case in production based on latest templates).
         return null;
     }
-	}
+}
 
 
-/***/ },
+/***/ }),
 /* 2 */
-/***/ function(module, exports) {
+/***/ (function(module, exports) {
 
-	module.exports = require("path");
+module.exports = require("path");
 
-/***/ },
+/***/ }),
 /* 3 */
-/***/ function(module, exports) {
+/***/ (function(module, exports) {
 
-	module.exports = require("aspnet-prerendering");
+module.exports = require("aspnet-prerendering");
 
-/***/ }
+/***/ })
 /******/ ])));

src/Microsoft.AspNetCore.SpaServices/Content/Node/webpack-dev-middleware.js

@@ -1,65 +1,112 @@
 (function(e, a) { for(var i in a) e[i] = a[i]; }(exports, /******/ (function(modules) { // webpackBootstrap
 /******/ 	// The module cache
 /******/ 	var installedModules = {};
-
+/******/
 /******/ 	// The require function
 /******/ 	function __webpack_require__(moduleId) {
-
+/******/
 /******/ 		// Check if module is in cache
-/******/ 		if(installedModules[moduleId])
+/******/ 		if(installedModules[moduleId]) {
 /******/ 			return installedModules[moduleId].exports;
-
+/******/ 		}
 /******/ 		// Create a new module (and put it into the cache)
 /******/ 		var module = installedModules[moduleId] = {
-/******/ 			exports: {},
-/******/ 			id: moduleId,
-/******/ 			loaded: false
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
 /******/ 		};
-
+/******/
 /******/ 		// Execute the module function
 /******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
-
+/******/
 /******/ 		// Flag the module as loaded
-/******/ 		module.loaded = true;
-
+/******/ 		module.l = true;
+/******/
 /******/ 		// Return the exports of the module
 /******/ 		return module.exports;
 /******/ 	}
-
-
+/******/
+/******/
 /******/ 	// expose the modules object (__webpack_modules__)
 /******/ 	__webpack_require__.m = modules;
-
+/******/
 /******/ 	// expose the module cache
 /******/ 	__webpack_require__.c = installedModules;
-
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__webpack_require__.d = function(exports, name, getter) {
+/******/ 		if(!__webpack_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__webpack_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__webpack_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __webpack_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__webpack_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__webpack_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__webpack_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
 /******/ 	// __webpack_public_path__
 /******/ 	__webpack_require__.p = "";
-
+/******/
+/******/
 /******/ 	// Load entry module and return exports
-/******/ 	return __webpack_require__(0);
+/******/ 	return __webpack_require__(__webpack_require__.s = 4);
 /******/ })
 /************************************************************************/
 /******/ ([
-/* 0 */
-/***/ function(module, exports, __webpack_require__) {
-
-	module.exports = __webpack_require__(4);
-
-
-/***/ },
+/* 0 */,
 /* 1 */,
 /* 2 */,
 /* 3 */,
 /* 4 */
-/***/ function(module, exports, __webpack_require__) {
+/***/ (function(module, exports, __webpack_require__) {
 
-	"use strict";
-	// Pass through the invocation to the 'aspnet-webpack' package, verifying that it can be loaded
-	function createWebpackDevServer(callback) {
+module.exports = __webpack_require__(5);
+
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+exports.__esModule = true;
+// Pass through the invocation to the 'aspnet-webpack' package, verifying that it can be loaded
+function createWebpackDevServer(callback) {
     var aspNetWebpack;
     try {
-	        aspNetWebpack = __webpack_require__(5);
+        aspNetWebpack = __webpack_require__(6);
     }
     catch (ex) {
         // Developers sometimes have trouble with badly-configured Node installations, where it's unable
@@ -72,15 +119,15 @@
         return;
     }
     return aspNetWebpack.createWebpackDevServer.apply(this, arguments);
-	}
-	exports.createWebpackDevServer = createWebpackDevServer;
+}
+exports.createWebpackDevServer = createWebpackDevServer;
 
 
-/***/ },
-/* 5 */
-/***/ function(module, exports) {
+/***/ }),
+/* 6 */
+/***/ (function(module, exports) {
 
-	module.exports = require("aspnet-webpack");
+module.exports = require("aspnet-webpack");
 
-/***/ }
+/***/ })
 /******/ ])));

src/Microsoft.AspNetCore.SpaServices/README.md

@@ -561,7 +561,7 @@ Typically, when you change a source file, the effects appear in your local brows
 First ensure you already have a working Webpack dev middleware setup. Then, install the `webpack-hot-middleware` NPM module:
 
 ```
-npm install --save webpack-hot-middleware
+npm install --save-dev webpack-hot-middleware
 ```
 
 At the top of your `Startup.cs` file, add the following namespace reference:
@@ -620,7 +620,7 @@ app.UseWebpackDevMiddleware(new WebpackDevMiddlewareOptions {
 Also, install the NPM module `aspnet-webpack-react`, e.g.:
 
 ```
-npm install --save aspnet-webpack-react
+npm install --save-dev aspnet-webpack-react
 ```
 
 Now if you edit any React component (e.g., in `.jsx` or `.tsx` files), the updated component will be injected into the running application, and will even preserve its in-memory state.

src/Microsoft.AspNetCore.SpaServices/TypeScript/Prerenderer.ts

@@ -1,7 +1,5 @@
-/// <reference path="../npm/aspnet-prerendering/src/PrerenderingInterfaces.d.ts" />
-import * as url from 'url';
+import { BootModuleInfo, RenderToStringFunc, RenderToStringCallback } from '../npm/aspnet-prerendering/src/PrerenderingInterfaces';
 import * as path from 'path';
-import * as fs from 'fs';
 declare var __non_webpack_require__;
 
 // Separate declaration and export just to add type checking on function signature

src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddlewareOptions.cs

@@ -50,5 +50,12 @@ namespace Microsoft.AspNetCore.SpaServices.Webpack
         /// the webpack compiler.
         /// </summary>
         public IDictionary<string, string> EnvironmentVariables { get; set; }
+
+        /// <summary>
+        /// Specifies a value for the "env" parameter to be passed into the Webpack configuration
+        /// function. The value must be JSON-serializable, and will only be used if the Webpack
+        /// configuration is exported as a function.
+        /// </summary>
+        public object EnvParam { get; set; }
     }
 }

src/Microsoft.AspNetCore.SpaServices/baseline.netcore.json

@@ -0,0 +1,751 @@
+{
+  "AssemblyIdentity": "Microsoft.AspNetCore.SpaServices, Version=2.1.1.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.Extensions.DependencyInjection.PrerenderingServiceCollectionExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "AddSpaPrerenderer",
+          "Parameters": [
+            {
+              "Name": "serviceCollection",
+              "Type": "Microsoft.Extensions.DependencyInjection.IServiceCollection"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.Builder.SpaRouteExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "MapSpaFallbackRoute",
+          "Parameters": [
+            {
+              "Name": "routeBuilder",
+              "Type": "Microsoft.AspNetCore.Routing.IRouteBuilder"
+            },
+            {
+              "Name": "name",
+              "Type": "System.String"
+            },
+            {
+              "Name": "defaults",
+              "Type": "System.Object"
+            },
+            {
+              "Name": "constraints",
+              "Type": "System.Object",
+              "DefaultValue": "null"
+            },
+            {
+              "Name": "dataTokens",
+              "Type": "System.Object",
+              "DefaultValue": "null"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "MapSpaFallbackRoute",
+          "Parameters": [
+            {
+              "Name": "routeBuilder",
+              "Type": "Microsoft.AspNetCore.Routing.IRouteBuilder"
+            },
+            {
+              "Name": "name",
+              "Type": "System.String"
+            },
+            {
+              "Name": "templatePrefix",
+              "Type": "System.String"
+            },
+            {
+              "Name": "defaults",
+              "Type": "System.Object"
+            },
+            {
+              "Name": "constraints",
+              "Type": "System.Object",
+              "DefaultValue": "null"
+            },
+            {
+              "Name": "dataTokens",
+              "Type": "System.Object",
+              "DefaultValue": "null"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.Builder.WebpackDevMiddleware",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "UseWebpackDevMiddleware",
+          "Parameters": [
+            {
+              "Name": "appBuilder",
+              "Type": "Microsoft.AspNetCore.Builder.IApplicationBuilder"
+            },
+            {
+              "Name": "options",
+              "Type": "Microsoft.AspNetCore.SpaServices.Webpack.WebpackDevMiddlewareOptions",
+              "DefaultValue": "null"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.Webpack.WebpackDevMiddlewareOptions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_HotModuleReplacement",
+          "Parameters": [],
+          "ReturnType": "System.Boolean",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_HotModuleReplacement",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Boolean"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_HotModuleReplacementEndpoint",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_HotModuleReplacementEndpoint",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_HotModuleReplacementServerPort",
+          "Parameters": [],
+          "ReturnType": "System.Int32",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_HotModuleReplacementServerPort",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Int32"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ReactHotModuleReplacement",
+          "Parameters": [],
+          "ReturnType": "System.Boolean",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ReactHotModuleReplacement",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Boolean"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_HotModuleReplacementClientOptions",
+          "Parameters": [],
+          "ReturnType": "System.Collections.Generic.IDictionary<System.String, System.String>",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_HotModuleReplacementClientOptions",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Collections.Generic.IDictionary<System.String, System.String>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ConfigFile",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ConfigFile",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ProjectPath",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ProjectPath",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_EnvironmentVariables",
+          "Parameters": [],
+          "ReturnType": "System.Collections.Generic.IDictionary<System.String, System.String>",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_EnvironmentVariables",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Collections.Generic.IDictionary<System.String, System.String>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_EnvParam",
+          "Parameters": [],
+          "ReturnType": "System.Object",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_EnvParam",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Object"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.Prerendering.ISpaPrerenderer",
+      "Visibility": "Public",
+      "Kind": "Interface",
+      "Abstract": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "RenderToString",
+          "Parameters": [
+            {
+              "Name": "moduleName",
+              "Type": "System.String"
+            },
+            {
+              "Name": "exportName",
+              "Type": "System.String",
+              "DefaultValue": "null"
+            },
+            {
+              "Name": "customDataParameter",
+              "Type": "System.Object",
+              "DefaultValue": "null"
+            },
+            {
+              "Name": "timeoutMilliseconds",
+              "Type": "System.Int32",
+              "DefaultValue": "0"
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task<Microsoft.AspNetCore.SpaServices.Prerendering.RenderToStringResult>",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.Prerendering.JavaScriptModuleExport",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_ModuleName",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ExportName",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ExportName",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "moduleName",
+              "Type": "System.String"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.Prerendering.Prerenderer",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "RenderToString",
+          "Parameters": [
+            {
+              "Name": "applicationBasePath",
+              "Type": "System.String"
+            },
+            {
+              "Name": "nodeServices",
+              "Type": "Microsoft.AspNetCore.NodeServices.INodeServices"
+            },
+            {
+              "Name": "applicationStoppingToken",
+              "Type": "System.Threading.CancellationToken"
+            },
+            {
+              "Name": "bootModule",
+              "Type": "Microsoft.AspNetCore.SpaServices.Prerendering.JavaScriptModuleExport"
+            },
+            {
+              "Name": "requestAbsoluteUrl",
+              "Type": "System.String"
+            },
+            {
+              "Name": "requestPathAndQuery",
+              "Type": "System.String"
+            },
+            {
+              "Name": "customDataParameter",
+              "Type": "System.Object"
+            },
+            {
+              "Name": "timeoutMilliseconds",
+              "Type": "System.Int32"
+            },
+            {
+              "Name": "requestPathBase",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task<Microsoft.AspNetCore.SpaServices.Prerendering.RenderToStringResult>",
+          "Static": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.Prerendering.PrerenderTagHelper",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "BaseType": "Microsoft.AspNetCore.Razor.TagHelpers.TagHelper",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "ProcessAsync",
+          "Parameters": [
+            {
+              "Name": "context",
+              "Type": "Microsoft.AspNetCore.Razor.TagHelpers.TagHelperContext"
+            },
+            {
+              "Name": "output",
+              "Type": "Microsoft.AspNetCore.Razor.TagHelpers.TagHelperOutput"
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task",
+          "Virtual": true,
+          "Override": true,
+          "ImplementedInterface": "Microsoft.AspNetCore.Razor.TagHelpers.ITagHelperComponent",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ModuleName",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ModuleName",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ExportName",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ExportName",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_CustomDataParameter",
+          "Parameters": [],
+          "ReturnType": "System.Object",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_CustomDataParameter",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Object"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_TimeoutMillisecondsParameter",
+          "Parameters": [],
+          "ReturnType": "System.Int32",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_TimeoutMillisecondsParameter",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Int32"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ViewContext",
+          "Parameters": [],
+          "ReturnType": "Microsoft.AspNetCore.Mvc.Rendering.ViewContext",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ViewContext",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "Microsoft.AspNetCore.Mvc.Rendering.ViewContext"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "serviceProvider",
+              "Type": "System.IServiceProvider"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.SpaServices.Prerendering.RenderToStringResult",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_Globals",
+          "Parameters": [],
+          "ReturnType": "Newtonsoft.Json.Linq.JObject",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_Globals",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "Newtonsoft.Json.Linq.JObject"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_Html",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_Html",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_RedirectUrl",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_RedirectUrl",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.String"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_StatusCode",
+          "Parameters": [],
+          "ReturnType": "System.Nullable<System.Int32>",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_StatusCode",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Nullable<System.Int32>"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "CreateGlobalsAssignmentScript",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}

src/Microsoft.AspNetCore.SpaServices/npm/aspnet-webpack/package.json

@@ -1,6 +1,6 @@
 {
   "name": "aspnet-webpack",
-  "version": "2.0.1",
+  "version": "3.0.0",
   "description": "Helpers for using Webpack in ASP.NET Core projects. Works in conjunction with the Microsoft.AspNetCore.SpaServices NuGet package.",
   "main": "index.js",
   "scripts": {
@@ -21,18 +21,18 @@
     "es6-promise": "^3.1.2",
     "memory-fs": "^0.3.0",
     "require-from-string": "^1.1.0",
-    "webpack-dev-middleware": "^1.8.4",
     "webpack-node-externals": "^1.4.3"
   },
   "devDependencies": {
     "@types/connect": "^3.4.30",
     "@types/node": "^6.0.42",
-    "@types/webpack": "^2.2.0",
+    "@types/webpack": "^4.1.3",
     "rimraf": "^2.5.4",
     "typescript": "^2.0.0",
-    "webpack": "^1.13.2"
+    "webpack": "^4.5.0"
   },
   "peerDependencies": {
-    "webpack": "^1.13.2 || ^2.1.0-beta"
+    "webpack": "^1.13.2 || ^2.1.0-beta || ^3.0.0 || ^4.0.0",
+    "webpack-dev-middleware": "^1.8.4 || ^3.0.0"
   }
 }

src/Microsoft.AspNetCore.SpaServices/npm/aspnet-webpack/src/LoadViaWebpack.ts

@@ -90,9 +90,12 @@ function loadViaWebpackNoCache<T>(webpackConfigPath: string, modulePath: string)
         }));
 
         // The CommonsChunkPlugin is not compatible with a CommonJS environment like Node, nor is it needed in that case
+        const ChunkPlugin = webpack.optimize['CommonsChunkPlugin'];
+        if (ChunkPlugin !== undefined) {
             webpackConfig.plugins = webpackConfig.plugins.filter(plugin => {
-            return !(plugin instanceof webpack.optimize.CommonsChunkPlugin);
+                return !(plugin instanceof ChunkPlugin);
             });
+        }
 
         // The typical use case for DllReferencePlugin is for referencing vendor modules. In a Node
         // environment, it doesn't make sense to load them from a DLL bundle, nor would that even

src/Microsoft.AspNetCore.SpaServices/npm/aspnet-webpack/src/WebpackDevMiddleware.ts

@@ -32,17 +32,28 @@ interface DevServerOptions {
     HotModuleReplacementServerPort: number;
     HotModuleReplacementClientOptions: StringMap<string>;
     ReactHotModuleReplacement: boolean;
+    EnvParam: any;
 }
 
-// We support these three kinds of webpack.config.js export. We don't currently support exported promises
-// (though we might be able to add that in the future, if there's a need).
-type WebpackConfigOrArray = webpack.Configuration | webpack.Configuration[];
-interface WebpackConfigFunc {
-    (env?: any): WebpackConfigOrArray;
+// Interface as defined in es6-promise
+interface Thenable<T> {
+    then<U>(onFulfilled?: (value: T) => U | Thenable<U>, onRejected?: (error: any) => U | Thenable<U>): Thenable<U>;
+    then<U>(onFulfilled?: (value: T) => U | Thenable<U>, onRejected?: (error: any) => void): Thenable<U>;
 }
-type WebpackConfigExport = WebpackConfigOrArray | WebpackConfigFunc;
+
+// We support these four kinds of webpack.config.js export
+type WebpackConfigOrArray = webpack.Configuration | webpack.Configuration[];
+type WebpackConfigOrArrayOrThenable = WebpackConfigOrArray | Thenable<WebpackConfigOrArray>;
+interface WebpackConfigFunc {
+    (env?: any): WebpackConfigOrArrayOrThenable;
+}
+type WebpackConfigExport = WebpackConfigOrArrayOrThenable | WebpackConfigFunc;
 type WebpackConfigModuleExports = WebpackConfigExport | EsModuleExports<WebpackConfigExport>;
 
+function isThenable<T>(obj: any): obj is Thenable<T> {
+    return obj && typeof (<Thenable<any>>obj).then === 'function';
+}
+
 function attachWebpackDevMiddleware(app: any, webpackConfig: webpack.Configuration, enableHotModuleReplacement: boolean, enableReactHotModuleReplacement: boolean, hmrClientOptions: StringMap<string>, hmrServerEndpoint: string) {
     // Build the final Webpack config based on supplied options
     if (enableHotModuleReplacement) {
@@ -110,6 +121,7 @@ function attachWebpackDevMiddleware(app: any, webpackConfig: webpack.Configurati
     const compiler = webpack(webpackConfig);
     app.use(require('webpack-dev-middleware')(compiler, {
         noInfo: true,
+        stats: webpackConfig.stats,
         publicPath: ensureLeadingSlash(webpackConfig.output.publicPath),
         watchOptions: webpackConfig.watchOptions
     }));
@@ -122,9 +134,12 @@ function attachWebpackDevMiddleware(app: any, webpackConfig: webpack.Configurati
     // middleware's in-memory filesystem only (and not on disk) would confuse the debugger, because the
     // file on disk wouldn't match the file served to the browser, and the source map line numbers wouldn't
     // match up. Breakpoints would either not be hit, or would hit the wrong lines.
-    (compiler as any).plugin('done', stats => {
-        copyRecursiveToRealFsSync(compiler.outputFileSystem, '/', [/\.hot-update\.(js|json|js\.map)$/]);
-    });
+    const copy = stats => copyRecursiveToRealFsSync(compiler.outputFileSystem, '/', [/\.hot-update\.(js|json|js\.map)$/]);
+    if (compiler.hooks) {
+        compiler.hooks.done.tap('aspnet-webpack', copy);
+    } else {
+        compiler.plugin('done', copy);
+    }
 
     if (enableHotModuleReplacement) {
         let webpackHotMiddlewareModule;
@@ -226,6 +241,15 @@ function beginWebpackWatcher(webpackConfig: webpack.Configuration) {
 export function createWebpackDevServer(callback: CreateDevServerCallback, optionsJson: string) {
     const options: CreateDevServerOptions = JSON.parse(optionsJson);
 
+    // Enable TypeScript loading if the webpack config is authored in TypeScript
+    if (path.extname(options.webpackConfigPath) === '.ts') {
+        try {
+            require('ts-node/register');
+        } catch (ex) {
+            throw new Error('Error while attempting to enable support for Webpack config file written in TypeScript. Make sure your project depends on the "ts-node" NPM package. The underlying error was: ' + ex.stack);
+        }
+    }
+
     // See the large comment in WebpackTestPermissions.ts for details about this
     if (!hasSufficientPermissions()) {
         console.log('WARNING: Webpack dev middleware is not enabled because the server process does not have sufficient permissions. You should either remove the UseWebpackDevMiddleware call from your code, or to make it work, give your server process user account permission to write to your application directory and to read all ancestor-level directories.');
@@ -243,14 +267,20 @@ export function createWebpackDevServer(callback: CreateDevServerCallback, option
         : (webpackConfigModuleExports as WebpackConfigExport);
 
     if (webpackConfigExport instanceof Function) {
-        // If you export a function, we'll call it with an undefined 'env' arg, since we have nothing else
-        // to pass. This is the same as what the webpack CLI tool does if you specify no '--env.x' values.
-        // In the future, we could add support for configuring the 'env' param in Startup.cs. But right
-        // now, it's not clear that people will want to do that (and they can always make up their own
-        // default env values in their webpack.config.js).
-        webpackConfigExport = webpackConfigExport();
+        // If you export a function, then Webpack convention is that it takes zero or one param,
+        // and that param is called `env` and reflects the `--env.*` args you can specify on
+        // the command line (e.g., `--env.prod`).
+        // When invoking it via WebpackDevMiddleware, we let you configure the `env` param in
+        // your Startup.cs.
+        webpackConfigExport = webpackConfigExport(options.suppliedOptions.EnvParam);
     }
-    const webpackConfigArray = webpackConfigExport instanceof Array ? webpackConfigExport : [webpackConfigExport];
+
+    const webpackConfigThenable = isThenable<WebpackConfigOrArray>(webpackConfigExport)
+        ? webpackConfigExport
+        : { then: callback => callback(webpackConfigExport) } as Thenable<WebpackConfigOrArray>;
+
+    webpackConfigThenable.then(webpackConfigResolved => {
+        const webpackConfigArray = webpackConfigResolved instanceof Array ? webpackConfigResolved : [webpackConfigResolved];
 
         const enableHotModuleReplacement = options.suppliedOptions.HotModuleReplacement;
         const enableReactHotModuleReplacement = options.suppliedOptions.ReactHotModuleReplacement;
@@ -320,6 +350,9 @@ export function createWebpackDevServer(callback: CreateDevServerCallback, option
                 callback(ex.stack, null);
             }
         });
+        },
+        err => callback(err.stack, null)
+    );
 }
 
 function removeLeadingSlash(str: string) {

src/Microsoft.AspNetCore.SpaServices/npm/domain-task/src/main.ts

@@ -7,7 +7,7 @@ const domainTaskBaseUrlStateKey = '__DOMAIN_TASK_INTERNAL_FETCH_BASEURL__DO_NOT_
 
 let noDomainBaseUrl: string;
 
-export function addTask(task: PromiseLike<any>) {
+export function addTask<T>(task: PromiseLike<T>): PromiseLike<T> {
     if (task && domain.active) {
         const state = domainContext.get(domainTasksStateKey) as DomainTasksState;
         if (state) {
@@ -32,6 +32,8 @@ export function addTask(task: PromiseLike<any>) {
             });
         }
     }
+
+    return task;
 }
 
 export function run<T>(codeToRun: () => T, completionCallback: (error: any) => void): T {

src/Microsoft.AspNetCore.SpaServices/package.json

@@ -5,14 +5,15 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "build": "./node_modules/.bin/webpack"
+    "build": "webpack --mode production"
   },
   "author": "Microsoft",
   "license": "Apache-2.0",
   "devDependencies": {
-    "@types/node": "^6.0.42",
-    "ts-loader": "^0.8.2",
-    "typescript": "^2.0.0",
-    "webpack": "^1.13.1"
+    "@types/node": "^10.9.2",
+    "ts-loader": "^4.5.0",
+    "typescript": "^3.0.1",
+    "webpack": "^4.17.1",
+    "webpack-cli": "^3.1.0"
   }
 }

src/Microsoft.AspNetCore.SpaServices/webpack.config.js

@@ -1,3 +1,5 @@
+const path = require('path');
+
 module.exports = {
     target: 'node',
     externals: [
@@ -10,8 +12,8 @@ module.exports = {
         extensions: [ '.ts' ]
     },
     module: {
-        loaders: [
-            { test: /\.ts$/, loader: 'ts-loader' },
+        rules: [
+            { test: /\.ts$/, use: 'ts-loader' },
         ]
     },
     entry: {
@@ -20,7 +22,10 @@ module.exports = {
     },
     output: {
         libraryTarget: 'commonjs',
-        path: './Content/Node',
+        path: path.join(__dirname, 'Content', 'Node'),
         filename: '[name].js'
+    },
+    optimization: {
+        minimize: false
     }
 };

version.props

@@ -1,10 +1,12 @@
 <Project>
   <PropertyGroup>
-    <VersionPrefix>2.1.0</VersionPrefix>
-    <VersionSuffix>preview1</VersionSuffix>
+    <VersionPrefix>2.2.0</VersionPrefix>
+    <VersionSuffix>preview3</VersionSuffix>
     <PackageVersion Condition="'$(IsFinalBuild)' == 'true' AND '$(VersionSuffix)' == 'rtm' ">$(VersionPrefix)</PackageVersion>
     <PackageVersion Condition="'$(IsFinalBuild)' == 'true' AND '$(VersionSuffix)' != 'rtm' ">$(VersionPrefix)-$(VersionSuffix)-final</PackageVersion>
     <BuildNumber Condition="'$(BuildNumber)' == ''">t000</BuildNumber>
+    <FeatureBranchVersionPrefix Condition="'$(FeatureBranchVersionPrefix)' == ''">a-</FeatureBranchVersionPrefix>
+    <VersionSuffix Condition="'$(VersionSuffix)' != '' And '$(FeatureBranchVersionSuffix)' != ''">$(FeatureBranchVersionPrefix)$(VersionSuffix)-$([System.Text.RegularExpressions.Regex]::Replace('$(FeatureBranchVersionSuffix)', '[^\w-]', '-'))</VersionSuffix>
     <VersionSuffix Condition="'$(VersionSuffix)' != '' And '$(BuildNumber)' != ''">$(VersionSuffix)-$(BuildNumber)</VersionSuffix>
   </PropertyGroup>
 </Project>