private static IList <XElement> GetPropertyGroups(XDocument xDocument)
{
var propertyGroups = ProjectXmlParser.GetPropertyGroups(xDocument)?.ToList();
if (propertyGroups == null || !propertyGroups.Any())
{
throw new InvalidDotNetProjectException("Project document contains no PropertyGroup elements.");
}
return(propertyGroups);
}
private static IList <XElement> GetItemGroups(XDocument xDocument)
{
var itemGroups = ProjectXmlParser.GetItemGroups(xDocument)?.ToList();
return(itemGroups ?? new List <XElement>());
}