asciinema.org/Guardfile

# A sample Guardfile
# More info at https://github.com/guard/guard#readme

# Run JS and CoffeeScript files in a typical Rails 3.1 fashion, placing Underscore templates in app/views/*.jst
# Your spec files end with _spec.{js,coffee}.

spec_location = "spec/javascripts/%s_spec"

# uncomment if you use NerdCapsSpec.js
# spec_location = "spec/javascripts/%sSpec"

guard 'jasmine-headless-webkit', :notify => false do
  watch(%r{^app/views/.*\.jst$})
  watch(%r{^public/javascripts/(.*)\.js$}) { |m| newest_js_file(spec_location % m[1]) }
  watch(%r{^app/assets/javascripts/(.*)\.js\.coffee$}) { |m| newest_js_file(spec_location % m[1]) }
  watch(%r{^app/assets/javascripts/(.*)\.(js|coffee)$}) { |m| newest_js_file(spec_location % m[1]) }
  watch(%r{^spec/javascripts/(.*)_spec\..*}) { |m| newest_js_file(spec_location % m[1]) }
end

guard 'rspec' do
  watch(%r{^spec/.+_spec\.rb$})
  watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
  watch('spec/spec_helper.rb')  { "spec" }

  # Rails example
  watch(%r{^app/(.+)\.rb$})                           { |m| "spec/#{m[1]}_spec.rb" }
  watch(%r{^app/(.*)(\.erb|\.haml)$})                 { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
  watch(%r{^app/controllers/(.+)_(controller)\.rb$})  { |m| ["spec/routing/#{m[1]}_routing_spec.rb", "spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb", "spec/acceptance/#{m[1]}_spec.rb"] }
  watch(%r{^spec/support/(.+)\.rb$})                  { "spec" }
  watch('config/routes.rb')                           { "spec/routing" }
  watch('app/controllers/application_controller.rb')  { "spec/controllers" }

  # Capybara request specs
  watch(%r{^app/views/(.+)/.*\.(erb|haml)$})          { |m| "spec/requests/#{m[1]}_spec.rb" }

  # Turnip features and steps
  watch(%r{^spec/acceptance/(.+)\.feature$})
  watch(%r{^spec/acceptance/steps/(.+)_steps\.rb$})   { |m| Dir[File.join("**/#{m[1]}.feature")][0] || 'spec/acceptance' }
end