public static IEnumerable <string> GetAllStyleSheets(string searchFrom, IEnumerable <string> allowedExtensions)
{
var project = ProjectHelpers.GetProject(searchFrom);
var projectPath = project.Properties.Item("FullPath").Value.ToString();
var projectUri = new Uri(projectPath, UriKind.Absolute);
var projectDir = Path.GetDirectoryName(projectPath);
if (projectDir == null)
{
return(Enumerable.Empty <string>());
}
return(allowedExtensions
.SelectMany(e => Directory.EnumerateFiles(projectDir, "*" + e, SearchOption.AllDirectories))
.Select(f => GetStyleSheetFileForUrl(f, project, projectUri))
.Where(f => f != null));
}