From fa638c98bc4179683594dd705a20f8ffc6ded652 Mon Sep 17 00:00:00 2001
From: Justin Lang <justin.lang@shopify.com>
Date: Wed, 23 Oct 2019 12:34:56 -0400
Subject: [PATCH] Update engine to precompile graphiql assets

---
 lib/graphiql/rails/engine.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/graphiql/rails/engine.rb b/lib/graphiql/rails/engine.rb
index c4e4537..9faa440 100644
--- a/lib/graphiql/rails/engine.rb
+++ b/lib/graphiql/rails/engine.rb
@@ -2,6 +2,15 @@ module GraphiQL
   module Rails
     class Engine < ::Rails::Engine
       isolate_namespace GraphiQL::Rails
+
+      if defined?(Sprockets) && Sprockets::VERSION.chr.to_i >= 4
+        initializer 'graphiql.assets.precompile' do |app|
+          app.config.assets.precompile += %w(
+            graphiql/rails/application.css
+            graphiql/rails/application.js
+          )
+        end
+      end
     end
   end
 end