class Middleman::ExtensionManager

def activate_all
  logger.debug 'Loaded extensions:'
  @instances = @activated.each_with_object([]) do |(ext_name, ext), sum|
    if ext.is_a?(Hash)
      ext.each do |instance_key, instance|
        logger.debug "== Extension: #{ext_name} #{instance_key}"
        sum << instance
      end
    else
      logger.debug "== Extension: #{ext_name}"
      sum << ext
    end
  end
  @instances.each do |ext|
    ::Middleman::Extension.activated_extension(ext)
  end
end