def classes(delimiter)
      git = @dangerfile.git
      affected_files = git.modified_files + git.added_files
      affected_files.select { |file| files_extension.reduce(false) { |state, el| state || file.end_with?(el) } }
                    .map { |file| file.split('.').first.split(delimiter)[1] }
    end
def classes(delimiter)
      git = @dangerfile.git
      affected_files = git.modified_files + git.added_files
      affected_files.select { |file| files_extension.reduce(false) { |state, el| state || file.end_with?(el) } }
                    .map { |file| file.split('.').first.split(delimiter)[1] }
    end
Select modified and added files in this PR