Remove SerializableResource.serialize in favor of .new

Per discussion in https://github.com/rails-api/active_model_serializers/issues/1098

lib/action_controller/serialization.rb

@@ -22,21 +22,20 @@ module ActionController
     def get_serializer(resource, options = {})
       if !use_adapter?
         warn 'ActionController::Serialization#use_adapter? has been removed. '\
-          "Please pass 'adapter: false' or see ActiveSupport::SerializableResource#serialize"
+          "Please pass 'adapter: false' or see ActiveSupport::SerializableResource.new"
         options[:adapter] = false
       end
-      ActiveModel::SerializableResource.serialize(resource, options) do |serializable_resource|
-        if serializable_resource.serializer?
-          serializable_resource.serialization_scope ||= serialization_scope
-          serializable_resource.serialization_scope_name = _serialization_scope
-          begin
-            serializable_resource.adapter
-          rescue ActiveModel::Serializer::ArraySerializer::NoSerializerError
-            resource
-          end
-        else
+      serializable_resource = ActiveModel::SerializableResource.new(resource, options)
+      if serializable_resource.serializer?
+        serializable_resource.serialization_scope ||= serialization_scope
+        serializable_resource.serialization_scope_name = _serialization_scope
+        begin
+          serializable_resource.adapter
+        rescue ActiveModel::Serializer::ArraySerializer::NoSerializerError
           resource
         end
+      else
+        resource
       end
     end
 

lib/active_model/serializable_resource.rb

@@ -3,6 +3,8 @@ module ActiveModel
   class SerializableResource
     ADAPTER_OPTION_KEYS = Set.new([:include, :fields, :adapter])
 
+    # Primary interface to composing a resource with a serializer and adapter.
+    # @return the serializable_resource, ready for #as_json/#to_json/#serializable_hash.
     def initialize(resource, options = {})
       @resource = resource
       @adapter_opts, @serializer_opts =
@@ -11,20 +13,6 @@ module ActiveModel
 
     delegate :serializable_hash, :as_json, :to_json, to: :adapter
 
-    # Primary interface to building a serializer (with adapter)
-    # If no block is given,
-    # returns the serializable_resource, ready for #as_json/#to_json/#serializable_hash.
-    # Otherwise, yields the serializable_resource and
-    # returns the contents of the block
-    def self.serialize(resource, options = {})
-      serializable_resource = SerializableResource.new(resource, options)
-      if block_given?
-        yield serializable_resource
-      else
-        serializable_resource
-      end
-    end
-
     def serialization_scope=(scope)
       serializer_opts[:scope] = scope
     end
@@ -76,7 +64,7 @@ module ActiveModel
     private
 
     ActiveModelSerializers.silence_warnings do
-    attr_reader :resource, :adapter_opts, :serializer_opts
+      attr_reader :resource, :adapter_opts, :serializer_opts
     end
   end
 end