Replace fail/rescue CollectionSerializer::NoSerializerError with throw/catch :no_serializer (#1767)

lib/active_model/serializer/collection_serializer.rb

@@ -1,7 +1,6 @@
 module ActiveModel
   class Serializer
     class CollectionSerializer
-      NoSerializerError = Class.new(StandardError)
       include Enumerable
       delegate :each, to: :@serializers
 
@@ -74,8 +73,9 @@ module ActiveModel
       def serializer_from_resource(resource, serializer_context_class, options)
         serializer_class = options.fetch(:serializer) { serializer_context_class.serializer_for(resource) }
 
-        if serializer_class.nil? # rubocop:disable Style/GuardClause
-          fail NoSerializerError, "No serializer found for resource: #{resource.inspect}"
+        if serializer_class.nil?
+          ActiveModelSerializers.logger.debug "No serializer found for resource: #{resource.inspect}"
+          throw :no_serializer
         else
           serializer_class.new(resource, options.except(:serializer))
         end

lib/active_model/serializer/reflection.rb

@@ -105,21 +105,24 @@ module ActiveModel
       # @api private
       #
       def build_association(parent_serializer, parent_serializer_options, include_slice = {})
-        association_value = value(parent_serializer, include_slice)
         reflection_options = options.dup
+        association_value = value(parent_serializer, include_slice)
         serializer_class = parent_serializer.class.serializer_for(association_value, reflection_options)
         reflection_options[:include_data] = include_data?(include_slice)
         reflection_options[:links] = @_links
         reflection_options[:meta] = @_meta
 
         if serializer_class
-          begin
-            reflection_options[:serializer] = serializer_class.new(
+          serializer = catch(:no_serializer) do
+            serializer_class.new(
               association_value,
               serializer_options(parent_serializer, parent_serializer_options, reflection_options)
             )
-          rescue ActiveModel::Serializer::CollectionSerializer::NoSerializerError
+          end
+          if serializer.nil?
             reflection_options[:virtual_value] = association_value.try(:as_json) || association_value
+          else
+            reflection_options[:serializer] = serializer
           end
         elsif !association_value.nil? && !association_value.instance_of?(Object)
           reflection_options[:virtual_value] = association_value

lib/active_model_serializers/serializable_resource.rb

@@ -38,9 +38,10 @@ module ActiveModelSerializers
 
     def find_adapter
       return resource unless serializer?
-      ActiveModelSerializers::Adapter.create(serializer_instance, adapter_opts)
-    rescue ActiveModel::Serializer::CollectionSerializer::NoSerializerError
-      resource
+      adapter = catch :no_serializer do
+        ActiveModelSerializers::Adapter.create(serializer_instance, adapter_opts)
+      end
+      adapter || resource
     end
 
     def serializer_instance