読みやすいコードを書くために気をつけていること/ be-careful-when-writing-readable-code

Transcript

1. ಡΈ΍͍͢ίʔυΛॻͨ͘Ίʹ ؾΛ͚͍ͭͯΔ͜ͱ ৿௩ɹਅ೥(@sanfrecce_osaka)
 2020/2/6ɹOmotesando.rb #omotesandorb
2. ࣗݾ঺հ ➤ ৿௩ ਅ೥ ➤ GitHub: @sanfrecce-osaka ➤ Twitter: @sanfrecce_osaka ➤ Qiita: @sanfrecce_osaka ➤ 9݄: େࡕ → ொా ➤ ruby-jpͷॅਓ ➤ גࣜձࣾϥάβΠΞ
3. ձࣾ঺հ ➤ RubyɾRailsͷडୗ։ൃձࣾ ➤ at ொా ➤ ձࣾͷۙลͰ΋Ո௞͕͍҆ʂ ➤ ະܦݧ͔ΒͰ΋2ϲ݄ͷݚम༗ ➤ We are hiring!
4. ʲએ఻ʳMachida.rb͸͡Ί·ͨ͠
5. લஔ͖ ➤ ࣮͸RubyMineωλͰ࿩ͦ͏ͱͯ͠அ೦͠·ͨ͠ ➤ ʮؾΛ͚͍ͭͯΔ͜ͱʯͳͷͰ࣮ફͰ͖͍ͯΔͱ͸ݶΒͳ͍ ➤ Ұ෦͜Ε͔Β΍͍ͬͯ͜͏ͱ௥Ճͨ͠΋ͷ΋͋Γ·͢ ➤ ίʔυྫશ͘༻ҙͰ͖ͯͳ͍Ͱ͢ ➤ ҙݟɾҟ࿦͋Ε͹ࢦఠ΋Β͑Δͱ͋Γ͕͍ͨͰ͢
6. ΠϯλʔϑΣʔεʹؾΛ͚ͭΔ ➤ ྑ͍ΠϯλʔϑΣʔεͱ͸(ݸਓతݟղ) ➤ ڍಈɾҾ਺౳͕ཧղ͠΍͍͢ ➤ ܕ͕ͳͯ͘΋ཧղͰ͖Δ(͋ͬͨํ͕ศར͚ͩͲ)
7. ΠϯλʔϑΣʔεͷཁૉ(ϝιουͷ৔߹) ➤ ໊લ ➤ ੹຿ɾॲཧ಺༰͕දݱ͞Ε͍ͯΔ͔ ➤ ೖྗ ➤ ԿΛड͚औΔ͔ ➤ ͍ͭɾͲ͜Ͱड͚औΔ͔ ➤ ग़ྗ ➤ ԿΛฦ͔͢
8. ໋໊େࣄ ➤ ͍͞͞ͳ΋ͷͰ΋໋໊͢Δ ➤ ୯७ͳ৚݅൑ఆࣜΛϝιουʹ੾Γग़͢ ➤ ϒϩοΫΛprocΛฦ͢ϝιουʹ੾Γग़͢ ➤ ໋໊ͰखΛൈ͘ͱ͋ͱͰΊͪΌͪ͘Όਏ͍ ➤ ໌೔ͷࣗ෼͸ผਓ ➤ ଞਓ͸ࣗ෼ͷ಄ͷதͷίϯςΩετ͸Θ͔Βͳ͍ ➤ ్த͔Βࢀըͨ͠ਓʹ͸ྺ࢙తܦҢ΍എܠ౳͸Θ͔Βͳ͍
10. ͦͷଞ ➤ ࠷ॳ͸ࡶʹॻ͘ ➤ ൚༻తʹ࡞Βͳ͍ ➤ ࠷ॳ͔Β100%ೲಘͷ͍͘ίʔυ͸ॻ͚ͳ͍ ➤ ϘʔΠεΧ΢τɾϧʔϧʹଇͬͯίʔυΛॻ͘ ➤ ׂΕ૭ཧ࿦ ➤ SOLIDݪଇ
11. ʲࢀߟʳSOLIDݪଇ ➤ ୯Ұ੹೚ͷݪଇ(Single Responsibility Principle) ➤ ΦʔϓϯɾΫϩʔζυͷݪଇ(Open/closed principle) ➤ Ϧείϑͷஔ׵ݪଇ(Liskov substitution principle) ➤ ΠϯλʔϑΣʔε෼཭ͷ๏ଇ(Interface segregation principle) ➤ ґଘؔ܎ٯసͷݪଇ(Dependency inversion principle)
12. ࢀߟʹͳΔ
 υΩϡϝϯτɾॻ੶
13. Ruby on RailsΛ࢖ͬͨ։ൃͰࢀরͯ͠΋Α͍υΩϡϝϯτ https://qiita.com/hanachin_/items/76a24bcef889edb59d19
14. style guide ➤ ruby-style-guide ➤ https://github.com/fortissimo1997/ruby-style-guide/blob/ japanese/README.ja.md ➤ rails-style-guide ➤ https://github.com/satour/rails-style-guide/blob/master/ README-jaJA.md ➤ rspec-style-guide ➤ https://github.com/willnet/rspec-style-guide ➤ React΍VueɺCSSʹ΋style-guide͕͋Δ
15. Ϧʔμϒϧίʔυ
16. ίʔυίϯϓϦʔτ
17. Sandi Metzຊ
18. ΦϒδΣΫτࢦ޲ઃܭݪଇͱ͸ https://qiita.com/UWControl/items/98671f53120ae47ff93a
19. ϓϥεЋ
20. ίϛοτ
 ϝοηʔδ
21. ίϛοτϝοηʔδΛॻ͘ͱ͖ʹؾΛ͚͍ͭͯΔ͜ͱ https://sinsoku.hatenablog.com/entry/2019/08/17/020954
22. ίϛοτϝοηʔδ͔ͬ͠Γॻ͘ཧ༝ ➤ ϨϏϡΞʔָ͕ ➤ ҙਤɾഎܠ౳͕Θ͔Δ ➤ ίʔυΛಡ·ͳͯ͘΋େےΛཧղͰ͖Δ ➤ ϨϏϡʔΠ΋ָ ➤ ਺೔ޙʹϖΞɾϞϒϨϏϡʔ͕͋ͬͯ΋ରԠͰ͖Δ ➤ ͋ͱͰίʔυΛಡΉਓ΋ָ ➤ ྺ࢙తܦҢ͕Θ͔Δ ➤ ಡΉࡍͷ৘ใ͕૿͑Δ
23. ࣗ෼ͷ৔߹(ۀ຿΋ಉ͡ײ͡Ͱ͢) https://github.com/pocke/ruboty-ruby-jp/pull/24
24. ͝ਗ਼ௌ ͋Γ͕ͱ͏ ͍͟͝·ͨ͠ʂ