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iOSΞϓϦͷΞʔΩςΫνϟʹ͍ͭͯ ߟ͑ͯͨͲΓண͍ͨ݁࿦ DevSapษڧձ 18/07/28

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ੁݪ ༞ @yusuga_

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ਪ͠ΞʔΩςΫνϟ ReactorKit

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• ReactorKit͸ϦΞΫςΟϒͰ୯ํ޲ͷ ΞʔΩςΫνϟΛߏங͢ΔͨΊͷ Framework

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Flux + Reactive Programming

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iOSΞϓϦͷΞʔΩςΫ νϟʹ͍ͭͯߟ͑Δ DevSapษڧձ 17/05/20 MVC2/MVVM/ReactorKitͷൺֱ

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ReactorKitΛֶͿγϦʔζ ೖ໳ฤ/جૅฤ/࣮ફฤ

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ReactorKit Meetup Japan LT࿮Ͱൃද

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ReactorKit Meetup Japan Report ~࡞ऀdevxoulʹΑΔجௐߨԋͱ࣮ફLT~

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ReactorKitΛਪ͍ͯ͠Δཧ༝

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ʓʓͷਖ਼͍͠ઃܭ͸Θ͔Γ·͔͢ʁ • ʓʓ → MVC, MVVM, MVP, Clean Architecture, VIPER • ֶशίετ • ϩʔΧϧ/ࣾ಺ϧʔϧ͕௥Ճ͞Εɺ͞Βʹֶशίετ

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ΞʔΩςΫνϟΛਖ਼͘͠ ࣮૷͢Δͷ͸೉͍͠

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• ReactorKit͸ɺΞʔΩςΫνϟΛߏங͢ΔͨΊͷFramework • ֶशίετ͕খ͍͞ (※ RxSwiftͷཧղ͸ඞਢ) • Flux෦෼Λࣗಈߏஙͯ͘͠ΕΔͷͰίʔυྔ͕ݮΔ

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ReactorKit Meetup JapanͷΞϑλʔύʔςΟʹͯ • ΞʔΩςΫνϟʹڵຯ͋Δਓ͕ଟ͍ͷͰ৭ʑͳ࿩Λฉ͘ • Ωʔϫʔυͱͯ͠ɺFlux, Redux, MVVM, Clean Architecture • ʓʓΛϕʔεʹ˚˚ͷҰ෦औΓೖΕͯΔͱ͍͏࿩͕ଟ͔ͬͨ • ΞʔΩςΫνϟͷ֦ு͸ආ͚Δ΂͖ͩͱࢥ͍ͬͯͨ • Ή͠Ζ൚༻ΞʔΩςΫνϟΛͦͷ··ద༻͢Δํ͕ٯʹί ετ૿ʹͳΔ͜ͱ΋…ʁ

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ͲͷϓϩδΣΫτʹ΋ϑΟοτ͢Δ ൚༻ΞʔΩςΫνϟΛ୳͍ͯͨ͠ • ݬ૝ͩͬͨ… • ͦΜͳ΋ͷ͸ଘࡏ͠ͳ͍ • ϓϩδΣΫτͷن໛͕খ͚͞Ε͹ͳΜͰ΋Α͘ɺن໛͕େ͖͚ Ε͹ແཧʹ߹ΘͤΔඞཁ͸ͳ͍ • νʔϜʢ࣮૷ऀʣͷ޷ΈͰ͋ͬͨΓɺઃܭࢥ૝ʹࠨӈ͞ΕΔ

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݁࿦

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൚༻తͳΞʔΩςΫνϟ͸͋͘·Ͱ΋ϕʔεͰ ඞཁͰ͋Ε͹ϓϩδΣΫτʹϚον͢ΔΑ͏ ΞʔΩςΫνϟΛ֦ு͢Δ

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ཱྀͷऴᖼ • ΞʔΩςΫνϟΛ୳ཱྀ͢͸ऴΘΓ • ݸਓతʹ͸ReactorKitΛϕʔεʹ͍ͯ͘͠ • ίʔυྔ͕ݮΓɺ؆୯ʹਖ਼͍͠ΞʔΩςΫνϟ͕ߏஙͰ͖Δ • ࠓͷॴࠔͬͨ͜ͱ͸ͳ͘ɺಠ֦ࣗு΋ඞཁͱ͍ͯ͠ͳ͍ • ԿΑΓઃܭࢥ૝͕޷͖

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ʢଓʣReactorKit Meetup JapanͷΞϑλʔύʔςΟʹͯ • ৭ʑͳ࿩Λฉ͍ͯͯɺͳͥ൚༻తͳΞʔΩςΫνϟ͕ϑΟοτ ͠ͳ͘ͳͬͯ͘ΔΜͩΖ͏ͱٙ໰ • ߏ଄ͷෳࡶԽ • Ұ෦ίϯϙʔωϯτͷංେԽ • ίϯϙʔωϯτؒͷґଘؔ܎

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࣍ͷཱྀ • Dependency Injection (DI) • ґଘΦϒδΣΫτͷ஫ೖ • ࠓ·Ͱ͸SwinjectΛService૚ʹରͯ͠࠾༻͍ͯͨ͘͠Β͍

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ൺֱ • DIͳ͠ • DI: खಈ, Pure • ಈతDIίϯςφ: Swinject, Cleanse • ੩తDIίϯςφ: DIKit, Cake pattern, Reader Monad • Service Locator ύλʔϯ • Dependency Lookup

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࠷༗ྗਪ͠DI Pure

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Pure DI • Pure DI by Mark Seemann • DIίϯςφΛ࢖༻͠ͳ͍DI • ݸਓతʹ͸ಈతDIίϯςφ͸ڧ͍੩త ܕ෇͚Ͱ͋ΔSwiftʹϚον͠ͳ͍ͷͰ ͸ͱײ͡Δ ! • ίʔυྔ͸ݮָͬͯͳͷͰ͕͢…

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Pure DI in Swift • devxoul/Pure • ࡞ऀ͸ReactorKitͱಉ͡ʂʂ • v1.0.0 • ϥΠϒϥϦࣗମ͸ඇৗʹܰྔ • ׆༻͢ΔͨΊʹ͸DIͷ஌͕ࣝඞཁ • ReactorKitʹҾ͖ଓ͖ઃܭࢥ૝͕޷ ͖ • ݱࡏ࣮Ҋ݅ʹ࠾༻͠ઈࢍࢼߦࡨޡத

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Pureͷ։ൃཧ༝Λฉ͍ͯΈͨ • ReactorKitͷαϯϓϧͷ1ͭͰ͋ΔDrrribleͷ࠷৽͸Swinject͕࡟ আ͞ΕɺPureΛ࢖Θͳ͍Pure DIͷ࣮૷ʹͳ͍ͬͯΔ • ͦͷཧ༝ΛReactorKit Meetup JapanͷΞϑλʔύʔςΟͰ࡞ऀ ͷಉ྅ͷํʹ࣭໰ͨ͠ • ಈతDIίϯςφͷ࣮૷ϛε͸ϥϯλΠϜͰ͔͠ݕ஌Ͱ͖ͳ͍ ͷΛ໰୊ʹײ͔ͨ͡Β • ࣮૷ϛε͸ίϯύΠϧͷ࣌఺Ͱݕ஌ɾղܾ͍ͨ͠

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DIͷཱྀ΁

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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ