lib/react/rails/railtie.rb in react-rails-1.7.0 vs lib/react/rails/railtie.rb in react-rails-1.7.1

@@ -83,17 +83,23 @@
         React::ServerRendering.renderer_options = app.config.react.server_renderer_options
         React::ServerRendering.renderer         = app.config.react.server_renderer
 
         React::ServerRendering.reset_pool
         # Reload renderers in dev when files change
-        ActionDispatch::Reloader.to_prepare { React::ServerRendering.reset_pool }
+        if Gem::Version.new(::Rails::VERSION::STRING) >= Gem::Version.new("5.x")
+          ActiveSupport::Reloader.to_prepare { React::ServerRendering.reset_pool }
+        else
+          ActionDispatch::Reloader.to_prepare { React::ServerRendering.reset_pool }
+        end
       end
 
       initializer "react_rails.setup_engine", :group => :all do |app|
         sprockets_env = app.assets || Sprockets # Sprockets 3.x expects this in a different place
-        if Gem::Version.new(Sprockets::VERSION) >= Gem::Version.new("3.0.0")
+        if Gem::Version.new(Sprockets::VERSION) >= Gem::Version.new("4.x")
           sprockets_env.register_mime_type("application/jsx", extensions: [".jsx", ".js.jsx", ".es.jsx", ".es6.jsx"])
           sprockets_env.register_transformer("application/jsx", "application/javascript", React::JSX::Processor)
+        elsif Gem::Version.new(Sprockets::VERSION) >= Gem::Version.new("3.0.0")
+          sprockets_env.register_engine(".jsx", React::JSX::Processor, mime_type: "application/javascript")
         else
           sprockets_env.register_engine(".jsx", React::JSX::Template)
         end
       end
     end