Lazily define engine routes using routes do ... end

Author: rmosolgo

lib/graphql.rb

@@ -126,7 +126,10 @@ class << self
   autoload :Testing, "graphql/testing"
   autoload :Current, "graphql/current"
   if defined?(::Rails::Engine)
-    autoload :Dashboard, 'graphql/dashboard'
+    # This needs to be defined before Rails runs `add_routing_paths`,
+    # otherwise GraphQL::Dashboard's routes won't have been gathered for loading
+    # when that initializer runs.
+    require 'graphql/dashboard'
   end
 end
 

lib/graphql/dashboard.rb

@@ -34,7 +34,7 @@ module Graphql
   class Dashboard < Rails::Engine
     engine_name "graphql_dashboard"
     isolate_namespace(Graphql::Dashboard)
-    routes.draw do
+    routes do
       root "landings#show"
       resources :statics, only: :show, constraints: { id: /[0-9A-Za-z\-.]+/ }