lib/nanoc/base/entities/document.rb in nanoc-4.1.6 vs lib/nanoc/base/entities/document.rb in nanoc-4.2.0b1

@@ -4,30 +4,38 @@
     class Document
       # @return [Nanoc::Int::Content]
       attr_reader :content
 
       # @return [Hash]
-      attr_reader :attributes
+      def attributes
+        @attributes.value
+      end
 
       # @return [Nanoc::Identifier]
       attr_accessor :identifier
 
+      # @return [String, nil]
+      attr_accessor :checksum_data
+
       # @param [String, Nanoc::Int::Content] content
       #
-      # @param [Hash] attributes
+      # @param [Hash, Proc] attributes
       #
       # @param [String, Nanoc::Identifier] identifier
-      def initialize(content, attributes, identifier)
+      #
+      # @param [String, nil] checksum_data Used to determine whether the document has changed
+      def initialize(content, attributes, identifier, checksum_data: nil)
         @content = Nanoc::Int::Content.create(content)
-        @attributes = attributes.__nanoc_symbolize_keys_recursively
+        @attributes = Nanoc::Int::LazyValue.new(attributes).map(&:__nanoc_symbolize_keys_recursively)
         @identifier = Nanoc::Identifier.from(identifier)
+        @checksum_data = checksum_data
       end
 
       # @return [void]
       def freeze
         super
-        attributes.__nanoc_freeze_recursively
-        content.freeze
+        @content.freeze
+        @attributes.freeze
       end
 
       # @abstract
       #
       # @return Unique reference to this object