private static async Task <Solution> CreateFiles(Document document, SyntaxNode root,
SemanticModel model, ImmutableArray <TypeToRemove> typesToRemove,
Func <string, string> typeFolderGenerator,
CancellationToken token)
{
var project = document.Project;
var workspace = project.Solution.Workspace;
project = ExtractTypesToFilesCodeRefactoringProvider.MoveTypeNodes(
model, typesToRemove, typeFolderGenerator, project, token);
var newRoot = root.RemoveNodes(
typesToRemove.Select(_ => _.Declaration),
SyntaxRemoveOptions.AddElasticMarker);
var newSolution = project.Solution;
var projectId = project.Id;
newSolution = newSolution.WithDocumentSyntaxRoot(document.Id, newRoot);
var newDocument = newSolution.GetProject(project.Id).GetDocument(document.Id);
newRoot = await newDocument.GetSyntaxRootAsync(token);
var newModel = await newDocument.GetSemanticModelAsync(token);
var newUsings = newRoot.GenerateUsingDirectives(newModel);
newRoot = newRoot.RemoveNodes(
newRoot.DescendantNodes(_ => true).OfType <UsingDirectiveSyntax>(),
SyntaxRemoveOptions.AddElasticMarker);
newRoot = (newRoot as CompilationUnitSyntax)?.WithUsings(newUsings);
return(newSolution.WithDocumentSyntaxRoot(document.Id, newRoot));
}
