- Assets version and register_engine have been moved from app.assets to app.config.assets on sprockets

- Added a check to make sure to use proper asset object when calling version, register_engine, etc

Author: vipulnsward

lib/react/rails/engine.rb

@@ -2,7 +2,11 @@ module React
   module Rails
     class Engine < ::Rails::Engine
       initializer "react_rails.setup_engine", :group => :all do |app|
-        app.assets.register_engine '.jsx', React::JSX::Template
+        if app.assets.nil?
+         app.config.assets.register_engine '.jsx', React::JSX::Template
+        else
+          app.assets.register_engine '.jsx', React::JSX::Template
+        end
       end
     end
   end

lib/react/rails/railtie.rb

@@ -38,10 +38,12 @@ class Railtie < ::Rails::Railtie
           addons: app.config.react.addons,
         })
 
-        app.assets.version = [
-          app.assets.version,
-          "react-#{asset_variant.react_build}",
-        ].compact.join('-')
+        if app.assets.nil?
+          app.config.assets.version = [app.config.assets.version, "react-#{asset_variant.react_build}",].compact.join('-')
+        else
+          app.assets.version = [app.assets.version, "react-#{asset_variant.react_build}",].compact.join('-')
+        end
+
       end
 
       config.before_initialize do |app|