機能ごとに動作するミニアプリでプレビューサイクルを爆速にした話 After Talk

by aoi

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After Party iOSDC JAPAN 2021 ػೳ͝ͱʹಈ࡞͢ΔϛχΞϓϦͰಈ࡞֬ೝΛര଎ʹͨ͠࿩ɹొஃޙ೔ஊ 2021/10/01 Cookpad.Inc @aoi

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ࣗݾ঺հ • aoi @aomathwift • Cookpad Inc. iOS App Developer • CookpadMart

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ηογϣϯΛݟ͍͍ͯͨͩͨօ͞Μ ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ

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Agenda • ηογϣϯͷ֓ཁ • Discord, TwitterͰͷ Q&A ৼΓฦΓ

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ηογϣϯͷ֓ཁ

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ΫοΫύουΞϓϦ • ։ൃن໛͕େ͖͍ • Ϗϧυ࣌ؒͷ௕͕͞՝୊ → ϑϧϏϧυΛ΍Ί͍ͨ

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CookpadCore Cookpad ɾɾɾ Cookpad Tsukuru Feature A Feature B Feature C 🔥 ػೳ୯ମͰϏϧυՄೳͳϚϧνϞδϡʔϧߏ੒Λಋೖ

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Feature Module • υϝΠϯ૚Λڞ༗Ͱ͖Δ୯ҐͰ෼ྨ͢Δ • Ϟδϡʔϧ୯ମͰ 1 ͭͷػೳʹඞཁͳ࣮૷͕׬݁͢Δ → Ϟδϡʔϧ୯ମͰϏϧυ͕Մೳ

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https://fortee.jp/iosdc-japan-2021/proposal/1b05a1c0-91ef-401a-b3f3-36f0e57a6a25

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CookpadCore Feature A Feature A Sandbox FeatureModule Aͱ CoreͷΈΛϏϧυ FeatureModule A ͷ ػೳͷΈΛ΋ͭΞϓϦ έʔγϣϯλʔήοτ

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Sandbox ΞϓϦͷ࣮૷ͷಛ௃ • ଞͷ Feature Module ʹґଘ͠ͳ͍ • ωοτϫʔΫϦΫΤετͳͲͷ෭࡞༻͸Environment ͱ͍͏ DI ίϯςφΛ༻͍ͯμϛʔͷ࣮૷Λ஫ೖ

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Transition Environment Network CookpadEnvironment StubbableEnvironment Logger Cookpad Sandbox Test

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Sandbox ΞϓϦͷϝϦοτ • Ϗϧυ͕଎͍ • ֬ೝ͍ͨ͠ը໘ʹ͙ͨ͢ͲΓண͚Δ • ༷ʑͳঢ়ଶΛ࠶ݱͰ͖Δ

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Discord / Twitter Ͱͷ Q&A ৼΓฦΓ

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ϛχΞϓϦ͸ QA ͳͲʹ΋࢖͏ʁ • جຊΤϯδχΞ͕ಈ࡞֬ೝʹ࢖͏໨తͷΈ • QA͸઀ଓςετΛ݉ͶΔͷͰΞϓϦΛ௚઀͏͔ͯ͝͠΋Β͏ • σβΠφʔ͕ศརʙͬͯݴͬͯ࢖ͬͯͨ͜ͱ΋͠͹͠͹

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ϛχΞϓϦ͸ QA ͳͲʹ΋࢖͏ʁ • μϛʔϦΫΤετΛ࢖Θͳ͚Ε͹QA΍࣮ػςετͰͷར༻΋ ͋Γ͔΋ʁ • ࢀߟʹ͍ͨ͠ ϥϯλΠϜσόοάͷεεϝ

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ϛχΞϓϦ੔උ͸୭͕΍ͬͯΔʁ • ࢓૊Έ࡞Γ͸ج൫νʔϜͷϝϯόʔ͕΍ͬͯΔ ‣ ࣗಈੜ੒εΫϦϓτͷ༻ҙ ‣ μϛʔ࣮૷ͷ੔උɹetc… • SandboxScene ͷ࣮૷΍ར༻͸֤ػೳͷ։ൃνʔϜ͕΍Δ

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࣮ࡍͲΕ͘Β͍ޮ཰Խ͞Ε͔ͨ෼͔Δʁ • ϑϧϏϧυʹ͔͔Δ࣌ؒ͸ܭଌ͠ଓ͚͖͕ͯͨɺSandbox λʔήοτͰ ͷσʔλ͸ܭଌͯ͠ͳ͔ͬͨ😢 • ࠓޙ͸ҎԼͷ஋Λܭଌ͍͠1ճ͋ͨΓͷϏϧυ͕࣌ؒݮগ͍ͯ͠Δ͜ͱ Λఆྔతʹݟ͍ͨ ‣ શͯͷϏϧυʹ͓͚ΔϏϧυ࣌ؒ ‣ શϏϧυ࣮ߦճ਺ͷ͏ͪ Sandbox Ͱ࣮ߦͨ͠ճ਺ͷׂ߹

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SwiftUI ͱͷڞଘͲ͏ͯ͠Δʁ • Sandbox ͷ࢓૊Έࣗମ͸ UIKit Ͱͷ࣮૷Λલఏʹ࡞ΒΕ͍ͯΔ • View ͕ SwiftUI Ͱ࣮૷͞Ε͍ͯΔ Scene ΋ UIHostingController Ͱϥοϓͯ͠ಉ͡࢖͍ํΛ͍ͯ͠Δ

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XcodePreviews ͸ར༻ͯ͠Δʁ • Cookpad ΞϓϦશମͰ͸ ࠷ۙ·Ͱ Xcode Previews ͕࢖͑ͳ͔ͬͨ ☠ • Sandbox Target Ͱ Preview Λ࣮ߦ͢Δͱ࢖͑Δ • UIKit Ͱ࣮૷͞ΕͨίϯϙʔωϯτΛϓϨϏϡʔ͢ΔͨΊͷ࢓૊ΈΛ༻ ҙ • SwiftUI ͷը໘͕૿͑Ε͹Ҡߦ΋ݕ౼

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https://engineering.mercari.com/blog/entry/2019-12-13-155700/

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XcodePreviews ͸ར༻ͯ͠Δʁ • ϙοϓΞοϓը໘ͳͲΛ֬ೝ͢ΔͨΊͷϛχΞϓϦΛ SwiftUI Ͱ༻ҙʢUICatalogʣ

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Sandbox ͸࢖͍ࣺͯલఏʁ • ίϛοτͯ͠ϝϯςΛ͍ͯ͘͠લఏ • ࠷௿ݶͷίʔυͷ҆ఆੑΛ୲อ͢ΔͨΊʹPRͷ౓ʹϏϧυ͕௨ Δ͜ͱΛνΣοΫ͍ͯ͠Δ

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ϛχΞϓϦΛࣾ಺ʹͲ͏΍ͬͯਪਐ͍ͯ͠ ͘ʁ • ػೳ։ൃऀʢར༻ऀʣ޲͚ʹϛχΞϓϦͷϝϦοτΛଧͪग़͢ • ·ͣ͸͙͢࢖ͬͯ͘Εͦ͏ͳਓʹചΓࠐΜͰΈΔ • https://fortee.jp/iosdc-japan-2021/proposal/1b05a1c0-91ef- 401a-b3f3-36f0e57a6a25 Ͱ΋ղઆ͞Εͯ·͢

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ΞΧ΢ϯτػೳ͸Ͳ͏ఏڙͯ͠Δʁ • ը໘͝ͱʹݻఆ஋Λฦ͢ • ͦͷଞͷঢ়ଶ΋جຊతʹ࠷ॳ͔Βݻఆ஋Λࢦఆ͠ɺ֬ೝ͍ͨ͠ ঢ়ଶ͝ͱʹը໘Λ༻ҙ͢Δ

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ΞΧ΢ϯτػೳ͸Ͳ͏ఏڙͯ͠Δʁ • ঢ়ଶ͕ଟ͍৔߹͸ઃఆը໘Ͱ஋ΛϥϯλΠϜͰมߋͰ͖ΔΑ͏ ʹ͢Δͷ͕Φεεϝ

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Sandbox࠲ஊձؾʹͳΔ • ࢓૊ΈΛ੔උ͢Δج൫νʔϜ͕ Sandbox ʹؔ͢Δ։ൃνʔϜ ଆͷҙݟΛऔΓೖΕվળ͢ΔͨΊʹ࣮ࢪ • ࣄલʹࡶʹεϓϨουγʔτʹҙݟΛॻ͍ͯ΋ΒͬͯɺͦΕΛ ΈΜͳͰݟͳ͕ΒΘ͍Θ͍ஊٛ͢Δ

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ࢀߟࢿྉ • https://speakerdeck.com/aomathwift/ji-neng-gotonidong-zuo- suruminiapuridepurebiyusaikuruwobao-su-nisitahua • େن໛ͳΞϓϦͷϚϧνϞδϡʔϧߏ੒ͷ࣮ફ https:// speakerdeck.com/giginet/da-gui-mo- naapurifalsemarutimoziyurugou-cheng-falseshi-jian • ϥϯλΠϜσόοάͷεεϝ https://speakerdeck.com/noppefoxwolf/ iosdc21

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠