lib/webpacker/railtie.rb in webpacker-4.1.0 vs lib/webpacker/railtie.rb in webpacker-4.2.0

@@ -89,8 +89,10 @@
       end
     end
   end
 
   initializer "webpacker.set_source" do |app|
-    app.config.javascript_path = Webpacker.config.source_path.relative_path_from(Rails.root.join("app")).to_s
+    if Webpacker.config.config_path.exist?
+      app.config.javascript_path = Webpacker.config.source_path.relative_path_from(Rails.root.join("app")).to_s
+    end
   end
 end