lib/tasks/jsbundling/build.rake in jsbundling-rails-0.1.7 vs lib/tasks/jsbundling/build.rake in jsbundling-rails-0.1.8

@@ -1,8 +1,10 @@
 namespace :javascript do
   desc "Build your JavaScript bundle"
   task :build do
-    system "yarn install && yarn build"
+    unless system "yarn install && yarn build"
+      raise "jsbundling-rails: Command build failed, ensure yarn is installed and `yarn build` runs without errors"
+    end
   end
 end
 
 Rake::Task["assets:precompile"].enhance(["javascript:build"])