Fixups

src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts

@@ -256,9 +256,6 @@ function createEmscriptenModuleInstance(resourceLoader: WebAssemblyResourceLoade
       `_framework/${icuDataResourceName}`,
       resourceLoader.bootConfig.resources.runtime[icuDataResourceName],
       'globalization');
-  } else {
-    // Use invariant culture if the app does not carry icu data.
-    MONO.mono_wasm_setenv("DOTNET_SYSTEM_GLOBALIZATION_INVARIANT", "1");
   }
 
   // Override the mechanism for fetching the main wasm file so we can connect it to our cache
@@ -288,6 +285,9 @@ function createEmscriptenModuleInstance(resourceLoader: WebAssemblyResourceLoade
 
     if (icuDataResource) {
       loadICUData(icuDataResource);
+    } else {
+      // Use invariant culture if the app does not carry icu data.
+      MONO.mono_wasm_setenv("DOTNET_SYSTEM_GLOBALIZATION_INVARIANT", "1");
     }
 
     // Fetch the assemblies and PDBs in the background, telling Mono to wait until they are loaded

src/Components/WebAssembly/Sdk/integrationtests/WasmBuildIntegrationTest.cs

@@ -199,6 +199,35 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
             Assert.FileDoesNotExist(result, buildOutputDirectory, "wwwroot", "_framework", "dotnet.timezones.blat");
         }
 
+        [Fact]
+        public async Task Build_WithInvariantGlobalizationEnabled_DoesNotCopyGlobalizationData()
+        {
+            // Arrange
+            using var project = ProjectDirectory.Create("blazorwasm-minimal");
+            project.AddProjectFileContent(
+@"
+<PropertyGroup>
+    <InvariantGlobalization>true</InvariantGlobalization>
+</PropertyGroup>");
+
+            var result = await MSBuildProcessManager.DotnetMSBuild(project);
+
+            Assert.BuildPassed(result);
+
+            var buildOutputDirectory = project.BuildOutputDirectory;
+
+            var bootJsonPath = Path.Combine(buildOutputDirectory, "wwwroot", "_framework", "blazor.boot.json");
+            var bootJsonData = ReadBootJsonData(result, bootJsonPath);
+
+            var runtime = bootJsonData.resources.runtime.Keys;
+            Assert.Contains("dotnet.wasm", runtime);
+            Assert.Contains("dotnet.timezones.blat", runtime);
+            Assert.DoesNotContain("icudt.dat", runtime);
+
+            Assert.FileExists(result, buildOutputDirectory, "wwwroot", "_framework", "dotnet.wasm");
+            Assert.FileDoesNotExist(result, buildOutputDirectory, "wwwroot", "_framework", "icudt.dat");
+        }
+
         [Fact]
         public async Task Build_Hosted_Works()
         {

src/Components/WebAssembly/Sdk/integrationtests/WasmPublishIntegrationTest.cs

@@ -823,6 +823,34 @@ namespace Microsoft.AspNetCore.Razor.Design.IntegrationTests
                 assetsManifestPath: "custom-service-worker-assets.js");
         }
 
+        [Fact]
+        public async Task Publish_WithInvariantGlobalizationEnabled_DoesNotCopyGlobalizationData()
+        {
+            // Arrange
+            using var project = ProjectDirectory.Create("blazorwasm-minimal");
+            project.AddProjectFileContent(
+@"
+<PropertyGroup>
+    <InvariantGlobalization>true</InvariantGlobalization>
+</PropertyGroup>");
+
+            var result = await MSBuildProcessManager.DotnetMSBuild(project, "Publish");
+
+            Assert.BuildPassed(result);
+
+            var publishOutputDirectory = project.PublishOutputDirectory;
+
+            var bootJsonPath = Path.Combine(publishOutputDirectory, "wwwroot", "_framework", "blazor.boot.json");
+            var bootJsonData = ReadBootJsonData(result, bootJsonPath);
+
+            var runtime = bootJsonData.resources.runtime.Keys;
+            Assert.Contains("dotnet.wasm", runtime);
+            Assert.DoesNotContain("icudt.dat", runtime);
+
+            Assert.FileExists(result, publishOutputDirectory, "wwwroot", "_framework", "dotnet.wasm");
+            Assert.FileDoesNotExist(result, publishOutputDirectory, "wwwroot", "_framework", "icudt.dat");
+        }
+
         private static void AddWasmProjectContent(ProjectDirectory project, string content)
         {
             var path = Path.Combine(project.SolutionPath, "blazorwasm", "blazorwasm.csproj");

src/Components/WebAssembly/Sdk/src/targets/Microsoft.NET.Sdk.BlazorWebAssembly.Current.targets

@@ -123,7 +123,11 @@ Copyright (c) .NET Foundation. All rights reserved.
       <!-- Clear out temporary build artifacts that the runtime packages -->
       <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)" Condition="'%(ReferenceCopyLocalPaths.Extension)' == '.a'" />
 
-      <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)" Condition="'$(BlazorEnableTimeZoneSupport)' == 'false' AND '%(ReferenceCopyLocalPaths.FileName)' == 'dotnet.timezones'" />
+      <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)"
+        Condition="'$(BlazorEnableTimeZoneSupport)' == 'false' AND '%(ReferenceCopyLocalPaths.FileName)%(ReferenceCopyLocalPaths.Extension)' == 'dotnet.timezones.blat'" />
+
+      <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)"
+        Condition="'$(InvariantGlobalization)' == 'true' AND '%(ReferenceCopyLocalPaths.FileName)%(ReferenceCopyLocalPaths.Extension)' == 'icudt.dat'" />
 
       <!--
         ReferenceCopyLocalPaths includes satellite assemblies from referenced projects but are inexpicably missing
@@ -432,6 +436,12 @@ Copyright (c) .NET Foundation. All rights reserved.
 
       <ResolvedFileToPublish Remove="@(ResolvedFileToPublish)" Condition="'%(Extension)' == '.a'" />
 
+      <ResolvedFileToPublish Remove="@(ResolvedFileToPublish)"
+        Condition="'$(BlazorEnableTimeZoneSupport)' == 'false' AND '%(ResolvedFileToPublish.FileName)%(ResolvedFileToPublish.Extension)' == 'dotnet.timezones.blat'" />
+
+      <ResolvedFileToPublish Remove="@(ResolvedFileToPublish)"
+        Condition="'$(InvariantGlobalization)' == 'true' AND '%(ResolvedFileToPublish.FileName)%(ResolvedFileToPublish.Extension)' == 'icudt.dat'" />
+
       <!-- Remove dotnet.js from publish output -->
       <ResolvedFileToPublish Remove="@(ResolvedFileToPublish)" Condition="'%(ResolvedFileToPublish.RelativePath)' == 'dotnet.js'" />
 

src/Components/WebAssembly/Sdk/testassets/Directory.Build.props

@@ -20,6 +20,7 @@
     <RazorSdkCurrentVersionTargets>$(RepoRoot)src\Razor\Microsoft.NET.Sdk.Razor\src\build\netstandard2.0\Sdk.Razor.CurrentVersion.targets</RazorSdkCurrentVersionTargets>
     <RazorSdkArtifactsDirectory>$(RepoRoot)artifacts\bin\Microsoft.NET.Sdk.Razor\</RazorSdkArtifactsDirectory>
     <BlazorWebAssemblySdkArtifactsDirectory>$(RepoRoot)artifacts\bin\Microsoft.NET.Sdk.BlazorWebAssembly\</BlazorWebAssemblySdkArtifactsDirectory>
+    <_BlazorWebAssemblyTargetsFile>$(RepoRoot)src\Components\WebAssembly\Sdk\src\targets\Microsoft.NET.Sdk.BlazorWebAssembly.Current.targets</_BlazorWebAssemblyTargetsFile>
     <BlazorWebAssemblyJSPath>$(MSBuildThisFileDirectory)blazor.webassembly.js</BlazorWebAssemblyJSPath>
   </PropertyGroup>