Finds specifically unused views in a rails project (skips partials in favor of the unused partials gem)

unused_views.rb

#!/usr/bin/env ruby
require './config/environment'
(Dir.glob("./app/views/**/*.html.erb")).each do |v|
  next if v.include?('components') || v.include?('layouts') || v.include?('mailer') || v.include?('errors') || v.include?('static_pages') || v.include?('partials')

  match = /app\/views\/(.*)\/(.+)\.html\.erb/.match(v)
  klass = "#{match[1].camelize}Controller".constantize rescue nil
  action = match[2]

  # skip partials because we can use the `discover-unused-partials` gem
  next if action[0] == "_"

  if klass.nil?
    puts "Unused view: #{v}"
    next
  end

  unless klass.new.public_methods.include?(action.to_sym)
    puts "Unused view: #{v}"
  end
end