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Recent Rails movements in 15 minutes
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Masafumi Okura
February 24, 2021
Programming
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100
Recent Rails movements in 15 minutes
Ruby on Rails及びその周辺技術は2021年になっても進化を続けています。特に近年は複数DB周りとフロントエンド関係で変化が顕著です。この発表ではそれらをまとめてご紹介します。
Masafumi Okura
February 24, 2021
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Transcript
࠷ۙͷRailsࣄΛ15Ͱ͓͞ Β͍ ୈ28ճΏΔͪ.it OKURA Masafumi, 2021-02-24
ࣗݾհ • ໊લɿେխ࢙ʢ͓͓͘Β·͞;Έʣ • ॴଐɿϑϦʔϥϯε • ಘҙɿRubyͱRuby on Railsɺͪΐͬ͜ͱVim •
՝֎׆ಈɿ֤छొஃɺίϛϡχςΟӡӦʢܭ4ͭʣɺΧϯϑΝϨϯε ӡӦʢKaigi on RailsʣɺOSSʢgemΛܭ8ͭʣ
15
ࠓ͢͜ͱ • Rails 6.1Ͱೖͬͨػೳ • ߋʹਐΜͩෳDBରԠ • ActiveModel::ErrorͷΦϒδΣΫτԽ • etc.
• HotwireͱTurbo • StimulusReflexपล
ࠓͷτʔΫ୭͚ʁ • ࠷ۙRailsΛ͋·Γ৮͍ͬͯͳ͍ਓ • RailsΛ৽نҊ݅Ͱ࠾༻͠Α͏͔໎͍ͬͯΔਓ • RailsͱϑϩϯτΤϯυͷؔੑʹ͍ͭͯΓ͍ͨਓ
Rails 6.1
Rails 6.1 • 202012݄ϦϦʔε • ۄػೳਫฏγϟʔσΟϯάͳͲͷෳDBରԠ • ActiveModel::Errorؔͷඇޓͳมߋ • ࡉ͔ͳվྑ
Rails 6.1ʹ͓͚ΔෳDBରԠ • 6.0ͰύʔςΟγϣχϯά͕αϙʔτ͞Εͨ • 6.1ͰਫฏγϟʔσΟϯάαϙʔτ͞Εɺ͞Βʹศརʹ • Ϟσϧ͝ͱʹҟͳΔDBʹଓ͢Δ͜ͱՄೳʹ
ActiveModel::ErrorͷՃ • ैདྷ@model.errorsϝιουΤϥʔใؚ͕·ΕͨϋογϡΛฦ ͍͕ͯͨ͠ɺϋογϡͩͱѻ͍ͮΒ͞σʔλഁଛͷݒ೦͋ͬͨ • 6.1͔Βɺ@model.errorsϝιουActiveModel::ErrorΦϒδΣΫ τͷྻΛฦ͢Α͏ʹͳͬͨ • ৄࡉ https://youtu.be/FGhZR4ns_tc
ʢKaigi on RailsͰͷ࣮ऀͷ ൃදʣΛࢀর
࣍7.0ʹͳͬͨ • https://github.com/rails/rails/commit/ 1b455e2e9d6937d4107e19cb32e2f98aa08886b9 • ͳΜ͔Ͱ͔͍มߋ͕ೖΔΒ͍͠ʂ
Hotwire
Hotwire • https://hotwire.dev/ • RailsͷΦϦδφϧαʔϏεͰ͋ΔBasecampͷਓ͕ͨͪ࡞ͬͨɺ HTML Over The WireͷΦʔϓϯιʔε࣮ •
Heyͱ͍͏ϝʔϧαʔϏεͰ࣮ઓೖࡁΈ • TurboɺStimulusɺStradaͷ3ͭͷίϯϙʔωϯτͰߏ͞ΕΔ • ଞݴޠͩͱLivewireLiveviewͱݺΕΔͷ͕ࣅ͍ͯΔΒ͍͠
Turbo • JavaScriptͷهड़ྔΛ࠷খݶʹͭͭ͠ϢʔβʔମݧΛ্ͤ͞ΔͨΊ ͷϥΠϒϥϦ • DriveɺFramesɺStreamsɺNativeͷ4ͭͷίϯϙʔωϯτͰߏ͞Ε Δ • ͋Μ·ΓͪΌΜͱ৮Εͯͳ͍ͷͰղઆͰ͖ͳ͍…
Stimulus • ܰྔͳJavaScriptϑϨʔϜϫʔΫ • TurboͰΓͳ͍ͱ͖ʹStimulusͰJSΛॻ͘ɺͱ͍͏ΠϝʔδΒ͠ ͍ • CoCʢઃఆΑΓنʣͷΑ͏ͳRailsͬΆ͍Ξϓϩʔν͕ಛ
Strada • ະϦϦʔε • ϞόΠϧΞϓϦʹؔΘΔͷΒ͍͠
StimulusReflex
StimulusReflexʢҎԼ”SR”ʣ • https://docs.stimulusreflex.com/ • Hopsoftͱ͍͏ਓ͕ϝΠϯͰ։ൃ͍ͯ͠ΔΦʔϓϯιʔεͷRails͚ ϥΠϒϥϦ • WebSocketΛ׆༻ͯ͠HTMLΛॻ͖͑Δ • SPAͬΆ͍ΞϓϦΛJSΛॻ͔ͣʹ࡞ΕΔ͕ɺStimulusʹґଘ͍ͯ͠Δ
• Djangoͱ͔Ͱಈ͔͍ͯ͠Δਓ͍ΔΒ͍͠…ʁ
༨ஊ • SRΛ͍20ͰTwitterͬΆ͍ΞϓϦΛ࡞ΔϥΠϒίʔσΟϯά͕ۜ ࠲Rails#27ͰߦΘΕͨʢhttps://ginza-rails.connpass.com/event/ 193008/ʣ • ؆୯ͳը໘ಉظΛ࣮͍͚ͨͩ͠ͳΒ͜ΕͰेͰͱ͍͏࣮ײ • SRίϛϡχςΟ͕׆ൃʢDiscord1000ਓ͑ʂʣ •
࡞ऀ͔Βαϙʔτͯ͠Β͑Δ͔ʁ
पลٕज़ • CableReadyɿSRͷج൫ɺWebSocketʹσʔλΛྲྀ͠ࠐΉ • FuturismɿRailsͷύʔγϟϧΛActionCableͰඇಉظͰϨϯμʔ͢Δ • OptimismɿRailsͷόϦσʔγϣϯͱΤϥʔͷϨϯμϦϯάΛϦΞϧ λΠϜͰߦ͏ • ViewComponentReflexɿViewComponentͱ͍͏GitHubࣾʹΑΔ
ϏϡʔίϯϙʔωϯτϑϨʔϜϫʔΫͱSRΛΈ߹ΘͤͨϥΠϒϥϦ
HotwireͱSR͔Ϳͬͯͳ͍ʁ
͔ͿͬͯΔʂ
HotwireͱSRͷকདྷͲ͏ͳΔͷ͔ • Θ͔ΒΜʂ • HotwireActiveRecordͷCRUDίʔϧόοΫͱͷ૬ੑ͕ྑ͍ͷͱγ ϯϓϧͳͷ͕ڧΈͬΆ͍ • SRMorphͱ͍͏֓೦ʹΑΓԠ༻ൣғΛ͍͛ͯΔҹ • ͕ͬͭΓ͍ൺͯΈͨΘ͚Ͱͳ͍ͷͰݟ͕΄͍͠ͱ͜Ζ
·ͱΊ
Rails 6.1 • ෳDBରԠ͔ͳΓਐΜͩ • ErrorपΓͷඇޓʹҙ • ࣍Rails 7!
HotwireͱSR • ͲͪΒRailsϝΠϯʢগͳ͍JSʣͰSPAͬΆ͍ΞϓϦΛ࣮ݱ͢ΔͨΊ ͷπʔϧ • ࠓޙɺ྆ํ͕ྲྀߦΔͷ͔ɺͲͪΒ͔͕γΣΞΛऔΔͷ͔ɺͲͪΒ ΘΕͳ͍ͷ͔ɺ·ͩ୭ʹΘ͔Βͳ͍ • ؾʹͳΔਓཁνΣοΫͩʂ