private static RazorProjectEngine GetDiscoveryProjectEngine(
IReadOnlyList <MetadataReference> references,
StaticCompilationTagHelperFeature tagHelperFeature)
{
var discoveryProjectEngine = RazorProjectEngine.Create(RazorConfiguration.Default, new VirtualRazorProjectFileSystem(), b =>
{
b.Features.Add(new DefaultMetadataReferenceFeature {
References = references
});
b.Features.Add(tagHelperFeature);
b.Features.Add(new DefaultTagHelperDescriptorProvider());
CompilerFeatures.Register(b);
RazorExtensions.Register(b);
});
return(discoveryProjectEngine);
}
private static IReadOnlyList <TagHelperDescriptor> GetTagHelpersFromCompilation(Compilation compilation, StaticCompilationTagHelperFeature tagHelperFeature, SyntaxTree syntaxTrees)
{
var compilationWithDeclarations = compilation.AddSyntaxTrees(syntaxTrees);
tagHelperFeature.Compilation = compilationWithDeclarations;
tagHelperFeature.TargetAssembly = compilationWithDeclarations.Assembly;
return(tagHelperFeature.GetDescriptors());
}
private IReadOnlyList <TagHelperDescriptor> GetTagHelpers(IEnumerable <MetadataReference> references, StaticCompilationTagHelperFeature tagHelperFeature, Compilation compilation)
{
List <TagHelperDescriptor> descriptors = new();
tagHelperFeature.Compilation = compilation;
foreach (var reference in references)
{
if (compilation.GetAssemblyOrModuleSymbol(reference) is IAssemblySymbol assembly)
{
tagHelperFeature.TargetAssembly = assembly;
descriptors.AddRange(tagHelperFeature.GetDescriptors());
}
}
return(descriptors);
}