Adding custom rule for Rubocop in the 2 month of employment

RubyKaigi2023のLTでお話しました．

Transcript

1. RubyKaigi2022で転職をキメて
   RuboCopのルールを書いた話
   Yla Aioi (@Little_Rubyist)
   Adding custom rule for Rubocop in the 2
   month of employment
   

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2. 今回話す人/Speaker
   相生ゆら/Yla Aioi
   @Little_Rubyist @Little-Rubyist
   I am interested in RBS and Rubocop.
   2023/02~
   

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3. 今回話す人/Speaker
   相生ゆら/Yla Aioi
   @Little_Rubyist @Little-Rubyist
   I am interested in RBS and Rubocop.
   2023/02~
   talk about today
   

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4. When was your first RubyKaigi?
   Job change
   

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5. Last year was my first time there!
   (That was a lot of fun.)
   Job change
   

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6. btw, we had a RubyMusicMixin by
   Pixiv last year.
   It will be on the day3 again.
   Job change
   

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7. I was drunk at the time and said to a
   Rubyist I had just met...
   Job change
   

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8. “I've been wanting to work at
   BOOKWALKER for 6 months~ >_<”
   Job change
   

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9. The Rubyist
   Job change
   

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10. smoothly
    Job change
    

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11. handed me a
    BOOKWALKER business card.
    Job change
    

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12. The Rubyist is an employee of the
    company I wanted to join!
    Job change
    

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13. me when I receive twitter DM right after RubyKaigi
    

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14. casual interview
    →apply for the job opening
    →joined the company
    Job change
    

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15. While it is often said that speaking
    about your dreams to others can
    make them come true,
    I did NOT anticipate such a rapid
    pace of events
    Job change
    

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16. unexpected things like this tend to
    happen at RubyKaigi
    Job change
    

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17. So, I successfully got into the
    company I wanted to join 🎉
    Job change
    

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18. Thank you RubyKaigi
    Thank you RubyMusicMixin
    

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19. It appears to end here,
    but there's a bit more to come
    

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20. Since I've made the effort to join the
    company, I want to deliver results
    About RuboCop
    

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21. What I can do even if I don't
    understand the project well enough.
    About RuboCop
    

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22. A little refactoring
    (so I’m a “little” Rubyist)
    About RuboCop
    

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23. For example, replacing the short
    one-line `let` with `{...}`
    About RuboCop
    

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24. About RuboCop
    

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25. About RuboCop
    An array of `let` defined in rubocop-rspec
    

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26. About RuboCop
    Converting a long one-line `let` to `do...end`
    

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27. About RuboCop
    Short one-line `let` is replaced with `{...}`
    

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28. About RuboCop
    

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29. About RuboCop
    AST matcher
    

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30. About RuboCop
    Converting a long one-line `let` to `do...end`
    

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31. About RuboCop
    Short one-line `let` is replaced with `{...}`
    

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32. It became a “little” more convenient
    

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33. Simple Cops like this are easier to
    work on
    

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34. We can write them even without
    fully understanding the project's
    content, which is a great advantage
    

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35. There are probably many people
    in this venue who are new to Ruby or
    recent graduates.
    

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36. Let's try improving the environment
    starting with the easy stuff 👍
    

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37. Ruby community is SO good! :)
    Summary
    

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38. I am happy to have Ruby as my first
    programming language
    

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39. I love Rubyists
    and
    Ruby community
    

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40. Happy coding with
    Ruby and community!
    

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