Add a SHORT_TAG_NAMES constant for Debug configurations

Author: gunndabad

.github/workflows/ci.yml

@@ -48,7 +48,9 @@ jobs:
         run: just format --verify-no-changes
 
       - name: Build
-        run: just build --configuration Release --no-restore /p:GeneratePackageOnBuild=false
+        run: |
+          just build --configuration Debug --no-restore /p:GeneratePackageOnBuild=false
+          just build --configuration Release --no-restore /p:GeneratePackageOnBuild=false
 
       - name: Install Playwright
         run: just install-playwright

Directory.Build.props

@@ -15,6 +15,8 @@
 
     <_NpmLibDirectory>$([MSBuild]::NormalizeDirectory('$(RepoRoot)', 'lib', 'govuk-frontend-$(GovUkFrontendVersion)'))</_NpmLibDirectory>
     <GovUkFrontendLibrary>$([MSBuild]::NormalizeDirectory('$(_NpmLibDirectory)', 'dist', 'govuk'))</GovUkFrontendLibrary>
+
+    <DefineConstants Condition="'$(Configuration)' == 'Debug'">$(DefineConstants);SHORT_TAG_NAMES</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(IsTestProject)' == 'true'">