class Jekyll::ArchivesV2::Archives

def initialize(config = {})
  defaults = {}
  config.fetch("collections", {}).each do |name, collection|
    defaults[name] = {
      "layout"     => "archive",
      "enabled"    => [],
      "permalinks" => {
        "year"     => "/:collection/:year/",
        "month"    => "/:collection/:year/:month/",
        "day"      => "/:collection/:year/:month/:day/",
        "tags"      => "/:collection/:type/:name/",
      },
    }
  end
  defaults.freeze
  archives_config = config.fetch("jekyll-archives", {})
  if archives_config.is_a?(Hash)
    @config = Utils.deep_merge_hashes(defaults, archives_config)
  else
    @config = nil
    Jekyll.logger.warn "Archives:", "Expected a hash but got #{archives_config.inspect}"
    Jekyll.logger.warn "", "Archives will not be generated for this site."
  end
end