class Lookbook::Preview

def examples
  return @examples if @examples.present?
  public_methods = @preview.public_instance_methods(false)
  public_method_objects = @preview_inspector&.methods&.select { |m| public_methods.include?(m.name) }
  examples = (public_method_objects || []).map { |m| PreviewExample.new(m.name.to_s, self) }
  sorted = Lookbook.config.sort_examples ? examples.sort_by(&:label) : examples
  @examples = []
  if @preview_inspector&.groups&.any?
    sorted.group_by { |m| m.group }.each do |name, examples|
      if name.nil?
        @examples += examples
      else
        name = label if name.strip == ""
        @examples << PreviewGroup.new(name.underscore, self, examples)
      end
    end
  else
    @examples = sorted
  end
  @examples = @examples.compact
end