clear up unnecessary code

Author: Judahmeek

lib/react/server_rendering/separate_server_bundle_container.rb

@@ -5,35 +5,14 @@ module ServerRendering
     # Get a compiled file from Webpacker's output path
     class SeparateServerBundleContainer
 
-      begin
-        MAJOR, MINOR, PATCH, _ = Bundler.locked_gems.specs.find { |gem_spec| gem_spec.name == 'webpacker' || gem_spec.name == 'shakapacker' }.version.segments
-      rescue
-        MAJOR, MINOR, PATCH, _ = [0,0,0]
-      end
-
       def self.compatible?
         !!defined?(Webpacker)
       end
 
       def find_asset(filename)
-          asset_path = ::Rails.root.join(output_path, filename).to_s
+          asset_path = Webpacker.config.public_output_path.join(filename).to_s
           File.read(asset_path)
       end
-
-      if MAJOR < 3
-        def config
-          Webpacker::Configuration
-        end
-      else
-        def config
-          Webpacker.config
-        end
-      end
-
-      def output_path
-        # Webpack1 /:output/:entry, Webpack3 /public/:output
-        config.respond_to?(:output_path) ? config.output_path : 'public'
-      end
     end
   end
 end