Improve routes task code and print the application as :to => RackApp. [#5338 state:resolved]

railties/lib/rails/tasks/routes.rake

@@ -1,23 +1,35 @@
 desc 'Print out all defined routes in match order, with names. Target specific controller with CONTROLLER=x.'
 task :routes => :environment do
   Rails.application.reload_routes!
-  all_routes = ENV['CONTROLLER'] ? Rails.application.routes.routes.select { |route| route.defaults[:controller] == ENV['CONTROLLER'] } : Rails.application.routes.routes
+
+  all_routes   = Rails.application.routes.routes
+  named_routes = Rails.application.routes.named_routes.routes
+
+  if ENV['CONTROLLER']
+    all_routes = all_routes.select{ |route| route.defaults[:controller] == ENV['CONTROLLER'] }
+  end
+
   routes = all_routes.collect do |route|
     # TODO: The :index method is deprecated in 1.9 in favor of :key
     # but we don't have :key in 1.8.7. We can remove this check when
     # stop supporting 1.8.x
-    key_method = Hash.method_defined?('key') ? 'key' : 'index'
-    name = Rails.application.routes.named_routes.routes.send(key_method, route).to_s
-    reqs = route.requirements.empty? ? "" : route.requirements.inspect
-    app = route.app.to_s =~ /ActionDispatch.*/ ? "" : route.app.to_s
-    {:name => name, :verb => route.verb.to_s, :path => route.path, :reqs => reqs, :app => app}
+    key  = Hash.method_defined?('key') ? 'key' : 'index'
+    name = named_routes.send(key, route).to_s
+
+    reqs = route.requirements.dup
+    reqs[:to] = route.app unless route.app.is_a?(ActionDispatch::Routing::RouteSet::Dispatcher)
+    reqs = reqs.empty? ? "" : reqs.inspect
+
+    {:name => name, :verb => route.verb.to_s, :path => route.path, :reqs => reqs}
   end
-  routes.reject!{ |r| r[:path] == "/rails/info/properties" } # skip the route if it's internal info route
-  name_width = routes.collect {|r| r[:name]}.collect {|n| n.length}.max
-  verb_width = routes.collect {|r| r[:verb]}.collect {|v| v.length}.max
-  path_width = routes.collect {|r| r[:path]}.collect {|s| s.length}.max
-  app_width = routes.collect {|r| r[:app]}.collect {|a| a.length}.max
+
+  routes.reject! { |r| r[:path] == "/rails/info/properties" } # Skip the route if it's internal info route
+
+  name_width = routes.map{ |r| r[:name] }.map(&:length).max
+  verb_width = routes.map{ |r| r[:verb] }.map(&:length).max
+  path_width = routes.map{ |r| r[:path] }.map(&:length).max
+
   routes.each do |r|
-    puts "#{r[:name].rjust(name_width)} #{r[:verb].ljust(verb_width)} #{r[:path].ljust(path_width)} #{r[:reqs]} #{(r[:app].length > 0 ? '=> ' + r[:app] : '').ljust(app_width)}"
+    puts "#{r[:name].rjust(name_width)} #{r[:verb].ljust(verb_width)} #{r[:path].ljust(path_width)} #{r[:reqs]}"
   end
 end