internal static bool TrySplitNamespaceAndType(TagHelperDescriptor tagHelperDescriptor, out StringSegment @namespace, out StringSegment typeName)
{
if (tagHelperDescriptor.ParsedTypeInfo is { } value)
{
@namespace = value.Namespace;
typeName = value.TypeName;
return(value.Success);
}
var success = TrySplitNamespaceAndType(tagHelperDescriptor.GetTypeName(), out @namespace, out typeName);
tagHelperDescriptor.ParsedTypeInfo = new(success, @namespace, typeName);
return(success);
}
// We need to filter out the duplicate tag helper descriptors that come from the
// open file in the editor. We mangle the class name for its generated code, so using that here to filter these out.
internal static bool IsTagHelperFromMangledClass(TagHelperDescriptor tagHelper)
{
var typeName = tagHelper.GetTypeName();
if (tagHelper.IsChildContentTagHelper())
{
// If this is a child content tag helper, we want to look at it's original type.
// E.g, if the type name is `Test.__generated__MyComponent.ChildContent`, we want to look at `Test.__generated__MyComponent`.
TrySplitNamespaceAndType(typeName, out typeName, out var _);
}
if (!TrySplitNamespaceAndType(typeName, out var _, out var className))
{
return(false);
}
return(ComponentMetadata.IsMangledClass(className));
}
