embed_in_root is now side_load

lib/active_model/serializer.rb

@@ -147,7 +147,7 @@ end
       included_associations = filter(associations.keys)
       associations.each_with_object({}) do |(name, association), hash|
         if included_associations.include? name
-          if association.embed_in_root?
+          if association.side_load?
             hash[association.embedded_key] = serialize association
           end
         end

lib/active_model/serializer/associations.rb

@@ -5,22 +5,22 @@ module ActiveModel
   class Serializer
     class Association
       def initialize(name, options={})
-        @name          = name.to_s
-        @options       = options
-        self.embed     = options.fetch(:embed)   { CONFIG.embed }
-        @embed_in_root = options.fetch(:include) { CONFIG.include }
-        @embed_key     = options[:embed_key] || :id
-        @key           = options[:key]
-        @embedded_key  = options[:root] || name
+        @name         = name.to_s
+        @options      = options
+        self.embed    = options.fetch(:embed)   { CONFIG.embed }
+        @side_load    = options.fetch(:include) { CONFIG.include }
+        @embed_key    = options[:embed_key] || :id
+        @key          = options[:key]
+        @embedded_key = options[:root] || name
 
         self.serializer_class = @options[:serializer]
       end
 
       attr_reader :name, :embed_ids, :embed_objects, :serializer_class
-      attr_accessor :embed_in_root, :embed_key, :key, :embedded_key, :options
+      attr_accessor :side_load, :embed_key, :key, :embedded_key, :options
       alias embed_ids? embed_ids
       alias embed_objects? embed_objects
-      alias embed_in_root? embed_in_root
+      alias side_load? side_load
 
       def serializer_class=(serializer)
         @serializer_class = serializer.is_a?(String) ? serializer.constantize : serializer