From 261929bfbdbb77b4e2350d8e9d653521d0f1de7d Mon Sep 17 00:00:00 2001
From: William Godbe <wigodbe@microsoft.com>
Date: Wed, 12 Aug 2026 12:36:23 -0700
Subject: [PATCH] Avoid duplicate WebAssembly publish asset compression

Components.TestServer publishes multiple WebAssembly apps that traverse the shared Microsoft.AspNetCore.Components.WebAssembly project. Honor the existing skip property on that nested publish path so those traversals do not concurrently compress the same static web assets.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 .../Microsoft.AspNetCore.Components.WebAssembly.csproj    | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/Components/WebAssembly/WebAssembly/src/Microsoft.AspNetCore.Components.WebAssembly.csproj b/src/Components/WebAssembly/WebAssembly/src/Microsoft.AspNetCore.Components.WebAssembly.csproj
index a4e3ab2c97fe..07bf72222db6 100644
--- a/src/Components/WebAssembly/WebAssembly/src/Microsoft.AspNetCore.Components.WebAssembly.csproj
+++ b/src/Components/WebAssembly/WebAssembly/src/Microsoft.AspNetCore.Components.WebAssembly.csproj
@@ -20,6 +20,14 @@
     <NoWarn>$(NoWarn);CA1416</NoWarn>
   </PropertyGroup>
 
+  <!-- Components.TestServer publishes multiple referenced WebAssembly apps that all traverse this
+       project. Skip the redundant traversal on that publish path to avoid concurrent compression. -->
+  <PropertyGroup Condition="'$(_SkipReferencedProjectPublishAssets)' == 'true'">
+    <StaticWebAssetsGetPublishAssetsTargets>_SkipGetPublishAssetsForTrimmedBuild</StaticWebAssetsGetPublishAssetsTargets>
+  </PropertyGroup>
+
+  <Target Name="_SkipGetPublishAssetsForTrimmedBuild" />
+
   <ItemGroup>
     <Reference Include="Microsoft.AspNetCore.Components.Web" />
     <Reference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" />