業務のコード以外でRubyを書く/#write-ruby-other-than-business-code

Transcript

1. ۀ຿ͷίʔυҎ֎Ͱ RubyΛॻ͘ ৿௩ɹਅ೥(@sanfrecce_osaka)
 2020/5/28ɹSendai.rb #sendasirb
2. ࣗݾ঺հ ➤ ৿௩ ਅ೥ ➤ GitHub: @sanfrecce-osaka ➤ Twitter: @sanfrecce_osaka ➤ Qiita: @sanfrecce_osaka ➤ 2019೥9݄: େࡕ → ொా ➤ גࣜձࣾϥάβΠΞ ➤ ruby-jpͷॅਓ ➤ ίϛϡχςΟɾษڧձΦλΫ
3. ձࣾ঺հ ➤ RubyɾRailsͷडୗ։ൃձࣾ ➤ at ொా ➤ ձࣾͷۙลͰ΋Ո௞͕͍҆ʂ ➤ ະܦݧ͔ΒͰ΋2ϲ݄ͷݚम༗ ➤ We are hiring!
4. ʲએ఻ʳ6/5 ʹ Machida.rb #2 Λ΍Γ·͢
5. ࠷ۙ
 Ruby
 ॻ͍ͯ·͔͢ʁ
6. ࣗ෼ͷ৔߹
7. ࢓ࣄͰ͸
 ϑϩϯτ੒෼
 ଟΊ
8. Ͱ΋
9. Ruby ॻ͖͍ͨ
10. ࣗ෼Ͱ ࢖͏πʔϧ
11. ޷͖ͳ ݴޠͰ
12. ޷͖উख Ͱ͖Δʂ
13. ࣄྫ঺հ
14. େྔͷ ES Lint ͷΤϥʔɾܯࠂͷूܭ yarn run v1.22.4 $ node_modules/eslint/bin/eslint.js --ext .ts,.tsx --cache . /xxx/xxx/Hoge.tsx 2:10 error 'XXXX' is defined but never used @typescript-eslint/ no-unused-vars … /xxx/xxx/Fuga.tsx 12:37 warning Unexpected any. Specify a different type @typescript- eslint/no-explicit-any 13:3 error 'children' is missing in props validation react/prop-types ✖ xxxxx problems (xxxxx errors, xxxxx warnings) τʔλϧܻ
15. ϧʔϧ͝ͱʹ ूܭ͍ͨ͠
16. ूܭεΫϦϓτ File.open('errors.txt') do |f| pp f.readlines .map(&:strip)[3..] .reject(&method(:path?)) .map(&method(:extract)) .compact .reject(&:empty?) .tally .sort { _2[0] <=> _1[0] } .to_h end
17. ूܭεΫϦϓτ File.open('errors.txt') do |f| pp f.readlines .map(&:strip)[3..] .reject(&method(:path?)) .map(&method(:extract)) .compact .reject(&:empty?) .tally .sort { _2[0] <=> _1[0] } .to_h end ֤ߦͷվߦίʔυ࡟আ
18. ूܭεΫϦϓτ File.open('errors.txt') do |f| pp f.readlines .map(&:strip)[3..] .reject(&method(:path?)) .map(&method(:extract)) .compact .reject(&:empty?) .tally .sort { _2[0] <=> _1[0] } .to_h end ๯಄ͷߦΛഉআ
    FOEMFTT
    SBOHF ʙ
19. ूܭεΫϦϓτ File.open('errors.txt') do |f| pp f.readlines .map(&:strip)[3..] .reject(&method(:path?)) .map(&method(:extract)) .compact .reject(&:empty?) .tally .sort { _2[0] <=> _1[0] } .to_h end GJMF
    QBUI
    ͷߦΛഉআ
20. path?ϝιου def path?(txt) txt =~ /[tj]sx?$/ end ຤ඌ͕KTɾKTYɾUTɾUTYͷߦΛ
    GJMF
    QBUI
    ͷߦͱΈͳ͢
21. ࣮ߦεΫϦϓτ File.open('errors.txt') do |f| pp f.readlines .map(&:strip)[3..] .reject(&method(:path?)) .map(&method(:extract)) .compact .reject(&:empty?) .tally .sort { _2[0] <=> _1[0] } .to_h end &4
    -JOU
    ͷϧʔϧ໊Λநग़
22. extract ϝιου def extract(txt) txt.match(/^(.+?)([\/\w@-]+)$/) .to_a .last end &4
    -JOU
    ͷϧʔϧ໊Λ
    நग़͢Δਖ਼نදݱ
23. ࣮ߦεΫϦϓτ File.open('errors.txt') do |f| pp f.readlines .map(&:strip)[3..] .reject(&method(:path?)) .map(&method(:extract)) .compact .reject(&:empty?) .tally .sort { _2[0] <=> _1[0] } .to_h end ϧʔϧ໊Λؚ·ͳ͍ߦΛഉআ ۭߦআ͘
24. ࣮ߦεΫϦϓτ File.open('errors.txt') do |f| pp f.readlines .map(&:strip)[3..] .reject(&method(:path?)) .map(&method(:extract)) .compact .reject(&:empty?) .tally .sort { _2[0] <=> _1[0] } .to_h end ۭߦΛഉআ
25. ࣮ߦεΫϦϓτ File.open('errors.txt') do |f| pp f.readlines .map(&:strip)[3..] .reject(&method(:path?)) .map(&method(:extract)) .compact .reject(&:empty?) .tally .sort { _2[0] <=> _1[0] } .to_h end &OVNFSBCMFUBMMZ ʙ
    Ͱूܭ
26. ࣮ߦεΫϦϓτ File.open('errors.txt') do |f| pp f.readlines .map(&:strip)[3..] .reject(&method(:path?)) .map(&method(:extract)) .compact .reject(&:empty?) .tally .sort { _2[0] <=> _1[0] } .to_h end ιʔτॲཧ
    /VNCFSFE
    1BSBNFUFST ʙ Ͱঢ߱ॱɺ
    ΠϯσοΫεͰιʔτͷର৅ ϧʔϧ໊
    PS
    ਺
    ΛมߋͰ͖Δ
27. ࣮ߦεΫϦϓτ File.open('errors.txt') do |f| pp f.readlines .map(&:strip)[3..] .reject(&method(:path?)) .map(&method(:extract)) .compact .reject(&:empty?) .tally .sort { _2[0] <=> _1[0] } .to_h end )BTITPSU
    ͸
    "SSBZ
    Λฦ͢ͷͰ
    )BTI
    ʹ໭͢
28. { "use-isnan"=>2, "react/prop-types"=>65, "react/no-unescaped-entities"=>1, "react/no-find-dom-node"=>9, "react/no-direct-mutation-state"=>3, "react/no-deprecated"=>83, "react/jsx-no-undef"=>1, “react/jsx-key"=>3, "no-fallthrough"=>5, } ग़ྗ݁Ռ
29. ࠷ޙʹ ➤ ΞϓϦέʔγϣϯҎ֎Ͱ΋RubyΛ࢖͏νϟϯε͸͋Δ ➤ ࣗ෼Ͱ࢖͏πʔϧͳΒ࠷৽όʔδϣϯͰ޷͖์୊Ͱ͖Δ ➤ ศརͳϝιου ➤ ศརػೳ ➤ ࡶʹॻ͍ͯࡶʹࢼͤΔ
30. ͝ਗ਼ௌ ͋Γ͕ͱ͏ ͍͟͝·ͨ͠ʂ