From aedb146ea43c1bf2f1b0b95e543694cf1a7b5b56 Mon Sep 17 00:00:00 2001
From: Steve Sanderson <SteveSandersonMS@users.noreply.github.com>
Date: Thu, 7 Dec 2017 00:03:19 +0000
Subject: [PATCH] Enable incremental compilation for Webpack target

---
 .../Microsoft.Blazor.Browser.csproj                       | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Microsoft.Blazor.Browser/Microsoft.Blazor.Browser.csproj b/src/Microsoft.Blazor.Browser/Microsoft.Blazor.Browser.csproj
index d7e17c08e1..6be0ffdc5c 100644
--- a/src/Microsoft.Blazor.Browser/Microsoft.Blazor.Browser.csproj
+++ b/src/Microsoft.Blazor.Browser/Microsoft.Blazor.Browser.csproj
@@ -5,17 +5,21 @@
     <TypeScriptCompileBlocked>true</TypeScriptCompileBlocked>
     <TypeScriptToolsVersion>Latest</TypeScriptToolsVersion>
     <DefaultItemExcludes>${DefaultItemExcludes};node_modules\**</DefaultItemExcludes>
+    
+    <!-- VS's FastUpToDateCheck doesn't consider .ts file changes, so it's necessary to disable it to get incremental builds to work correctly (albeit not as fast as if FastUpToDateCheck did work for them) -->
+    <DisableFastUpToDateCheck>true</DisableFastUpToDateCheck>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.FileProviders.Embedded" Version="2.0.0" />
+    <WebpackInputs Include="**\*.ts" Exclude="node_modules\**" />
   </ItemGroup>
 
-  <Target Name="RunWebpack" BeforeTargets="PreBuildEvent">
+  <Target Name="RunWebpack" BeforeTargets="PreBuildEvent" Inputs="@(WebpackInputs)" Outputs="dist\blazor.js">
     <RemoveDir Directories="dist" />
     <Exec Command="npm run build" WorkingDirectory="$(MSBuildThisFileDirectory)" />
     <ItemGroup>
-      <EmbeddedResource Include="dist/blazor.js" LogicalName="blazor.$blazor.js" />
+      <EmbeddedResource Include="dist\blazor.js" LogicalName="blazor.$blazor.js" />
     </ItemGroup>
   </Target>
 </Project>