Frame your Code

This talk will cover ruby style guides, why they are important and the benefits of using them in your projects. Then we’ll see how easy it is to have code that is compliant with these style guides, thanks to a tool called Rubocop.

Transcript

1. Frame your code Frame your Code
2. We are hiring Visit our website h6p:/ /storyful.com/jobs/ Send your cv to join@storyful.com Or just chat with us today
3. Coding is a crea%ve process
4. Even the most creaDve acDviDes like Art, have rules
5. © Steve McCurry Rule of Thirds
6. © Steve McCurry Diagonal Lines
7. © Steve McCurry Center Dominant Eye
8. Rules as foundaDon for creaDvity not as prison
9. Good design pa6ern Tested Execute fast Security … Readable
10. a long Dme ago in a galaxy far far away it is a period of civil war rebel spaceships striking from a hidden base have won their first victory against the evil galacDc empire during the ba6le rebel spies managed to steal secret plans to the empire’s ulDmate weapon the death star an armored space staDon with enough power to destroy an enDre planet pursued by the empire’s sinister agents princess leia races home aboard her starship custodian of the stolen plans that can save her people and restore freedom to the galaxy A long Dme ago, in a galaxy far, far away… It is a period of civil war. Rebel spaceships, striking from a hidden base, have won their first victory against the evil GalacDc Empire. During the ba6le, Rebel spies managed to steal secret plans to the empire’s ulDmate weapon, the DEATH STAR, an armored space staDon with enough power to destroy an enDre planet. Pursued by the Empire’s sinister agents, Princess Leia races home aboard her starship, custodian of the stolen plans that can save her people and restore freedom to the galaxy…
11. “The raDo of Dme spent reading versus wriDng is well over 10 to 1. We are constantly reading old code as part of the effort to write new code. […] if you want your code to be easy to write, make it easy to read.” Robert C. Mar,n, Clean Code: A Handbook of Agile So9ware Cra9smanship
13. To have consistent style in a project, we need a style guide
14. Ruby h6ps:/ /github.com/bbatsov/ruby-style-guide Rails h6ps:/ /github.com/bbatsov/rails-style-guide Rspec h6ps:/ /github.com/reachlocal/rspec-style- guide Style guides used in storyful
15. Too Complicated?
16. $ gem install rubocop gem 'rubocop', require: false https://github.com/bbatsov/rubocop
17. Style Lint Metrics Performance Rails
18. Red Green Refactor
19. $ rubocop $ rubocop app $ rubocop -R Control the cops from the console
20. Guard plugin Guard: h6ps:/ /github.com/guard/guard guard-rucocop: h6ps:/ /github.com/yujinakayama/guard-rubocop Check your files against Rubocop every Dme you save
21. Integrate Rubocop in your editor
24. ConDnuous IntegraDon
25. Configure Rubocop Require Rspec cops Disable cops globally Disable cops in offending files
26. boy scout rule $ rubocop —auto-gen-config $ rubocop -a Legacy Code
27. Greenfield Project
28. Con$nuous Integra$on Server Git Hooks (overcommit) Command line Editor Guard
29. Thanks!