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class PryRails::ShowRoutes < Pry::ClassCommand
match 'show-routes'
group 'Rails'
description 'Show all routes in match order.'
banner <<-BANNER
Usage: show-routes [-G]
show-routes displays the current Rails app's routes.
BANNER
def options(opt)
opt.on :G, "grep", "Filter output by regular expression",
:argument => true,
:as => Array
end
def process
Rails.application.reload_routes!
all_routes = Rails.application.routes.routes
formatted =
if Rails::VERSION::MAJOR >= 6
process_rails_6_and_higher(all_routes)
elsif Rails::VERSION::MAJOR == 4 || Rails::VERSION::MAJOR == 5
process_rails_4_and_5(all_routes)
elsif Rails::VERSION::MAJOR >= 3 && Rails::VERSION::MINOR >= 2
process_rails_3_2(all_routes)
else
process_rails_3_0_and_3_1(all_routes)
end
output.puts grep_routes(formatted).join("\n")
end
# Takes an array of lines. Returns a list filtered by the conditions in
# `opts[:G]`.
def grep_routes(formatted)
return formatted unless opts[:G]
grep_opts = opts[:G]
grep_opts.reduce(formatted) do |lines, pattern|
lines.grep(Regexp.new(pattern))
end
end
# Cribbed from https://github.com/rails/rails/blob/3-1-stable/railties/lib/rails/tasks/routes.rake
def process_rails_3_0_and_3_1(all_routes)
routes = all_routes.collect do |route|
reqs = route.requirements.dup
reqs[:to] = route.app unless route.app.class.name.to_s =~ /^ActionDispatch::Routing/
reqs = reqs.empty? ? "" : reqs.inspect
{:name => route.name.to_s, :verb => route.verb.to_s, :path => route.path, :reqs => reqs}
end
# Skip the route if it's internal info route
routes.reject! { |r| r[:path] =~ %r{/rails/info/properties|^/assets} }
name_width = routes.map{ |r| r[:name].length }.max
verb_width = routes.map{ |r| r[:verb].length }.max
path_width = routes.map{ |r| r[:path].length }.max
routes.map do |r|
"#{r[:name].rjust(name_width)} #{r[:verb].ljust(verb_width)} #{r[:path].ljust(path_width)} #{r[:reqs]}"
end
end
def process_rails_3_2(all_routes)
require 'rails/application/route_inspector'
Rails::Application::RouteInspector.new.format(all_routes)
end
def process_rails_4_and_5(all_routes)
require 'action_dispatch/routing/inspector'
ActionDispatch::Routing::RoutesInspector.
new(all_routes).
format(ActionDispatch::Routing::ConsoleFormatter.new).
split(/\n/)
end
def process_rails_6_and_higher(all_routes)
require 'action_dispatch/routing/inspector'
ActionDispatch::Routing::RoutesInspector.
new(all_routes).
format(ActionDispatch::Routing::ConsoleFormatter::Sheet.new).
split(/\n/)
end
PryRails::Commands.add_command(self)
end
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