Initial DOM data structure

dom.rb

@@ -0,0 +1,26 @@
+require_relative 'node'
+require_relative 'node_types'
+
+class Dom
+  attr_reader :root_node
+
+  def initialize(node)
+    @root_node = node
+  end
+
+  def self.text_node(string)
+    Node.new(
+      type: NodeTypes::Text.new(string)
+    )
+  end
+
+  def self.element_node(tag_name:, attributes: {}, children: [])
+    Node.new(
+      type: NodeTypes::Element.new(
+        tag_name: tag_name,
+        attributes: attributes
+      ),
+      children: children
+    )
+  end
+end

node.rb

@@ -0,0 +1,8 @@
+class Node
+  attr_accessor :type, :children
+
+  def initialize(type:, children: [])
+    @type = type
+    @children = children
+  end
+end

node_types.rb

@@ -0,0 +1,18 @@
+module NodeTypes
+  class Text
+    attr_reader :string
+
+    def initialize(string)
+      @string = string
+    end
+  end
+
+  class Element
+    attr_reader :tag_name, :attributes
+
+    def initialize(tag_name:, attributes: {})
+      @tag_name = tag_name
+      @attributes = attributes
+    end
+  end
+end