lib/micro_micro/collections/relationships_collection.rb in micromicro-3.0.0 vs lib/micro_micro/collections/relationships_collection.rb in micromicro-3.1.0

@@ -36,23 +36,23 @@
       # @see https://microformats.org/wiki/microformats2-parsing#parse_a_hyperlink_element_for_rel_microformats
       #   microformats.org: microformats2 parsing specification § Parse a hyperlink element for rel microformats
       #
       # @return [Hash{Symbol => Array<String>}]
       def group_by_rel
-        each_with_object(Hash.new { |hash, key| hash[key] = [] }) do |member, hash|
-          member.rels.each { |rel| hash[rel] << member.href }
-        end.symbolize_keys.transform_values(&:uniq)
+        each_with_object(Hash.new { |hash, key| hash[key] = Set.new }) do |member, hash|
+          member.rels.each { |rel| hash[rel.to_sym] << member.href }
+        end.transform_values(&:to_a)
       end
 
       # Return a Hash of this collection's {MicroMicro::Relationship}s grouped
       # by their +href+ attribute value.
       #
       # @see https://microformats.org/wiki/microformats2-parsing#parse_a_hyperlink_element_for_rel_microformats
       #   microformats.org: microformats2 parsing specification § Parse a hyperlink element for rel microformats
       #
       # @return [Hash{Symbol => Hash{Symbol => Array, String}}]
       def group_by_url
-        group_by(&:href).symbolize_keys.transform_values { |relationships| relationships.first.to_h.slice!(:href) }
+        group_by(&:href).to_h { |k, v| [k.to_sym, v.first.to_h.except(:href)] }
       end
 
       # Retrieve an Array of this collection's unique {MicroMicro::Relationship}
       # +rel+ attrivute values.
       #