大規模なアプリのマルチモジュール構成の実践

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

Transcript

1. ࣗݾ঺հ
   • @giginet
   
   
   • iOSςοΫϦʔυ@ Cookpad
   
   
   • ίϛολʔ fastlane/XcodeGen/CarthageͳͲ
   
   
   • ٕज़ސ໰ @ taskey, MoneyForward
   

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2. View Slide

3. େن໛ͳΞϓϦͷϚϧνϞ
   δϡʔϧߏ੒ͷ࣮ફ
   iOSDC 2021 9/19 Track A
   
   
   @giginet
   iOSDC 2021
   

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4. ͜ͷτʔΫʹ͍ͭͯ
   • ୈ1ষɿ2019೥ࠒ͔ΒΫοΫύουϨγϐΞϓϦͷϚϧνϞδϡʔϧ
   ԽΛਐΊ͖ͯͯ͠͹Β͘ܦͬͨͷͰݱঢ়Λ঺հ
   
   
   • ୈ2ষɿଞͷϓϩδΣΫτ͕େن໛ͳϦΞʔΩςΫνϟΛ࣮ફ͢Δʹ
   ͸Ͳ͏ͨ͠ΒΑ͍͔
   

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5. 5
   View
   Model
   ViewController
   🔥ϩδοΫΛ࣋ͭ7JFX
   XXXManager
   🔥γϯάϧτϯͷσʔλιʔε
   🔥.BTTJWF7JFX$POUSPMMFS
   🔥ڞ௨Խ͞ΕͯංେԽͨ͠Ϟσϧ
   ☠
   🔥σουίʔυ
   🔥ີ݁߹
   🔥7JFXͷܧঝɺ࢖͍ճ͠
   🈲
   🔥৮ͬͯ͸
   ͍͚ͳ͍΍ͭ
   🌀
   🔥ࠞಱ
   ϚϧνϞδϡʔϧԽҎલ
   

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6. ΫοΫύουΞϓϦ
   • 50 Releases / year
   
   
   • 15 developers / release
   
   
   • 40 ~ 50 PR / release
   
   
   • 328,000 lines
   

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7. 2019೥ࠒͷঢ়گͱ໨త
   • ։ൃ࣌ͷϏϧυ଴ͪΛݮΒ͍ͨ͠
   
   
   • ࠩ෼Ϗϧυʹ΋1ʙ2෼ͷ଴ͪ࣌ؒ
   
   
   • ػೳؒͷґଘ΍෭࡞༻ΛݮΒ͍ͨ͠
   
   
   • ςετهड़Λ؆ུԽ͍ͨ͠
   
   
   • ObjCͳͲͷݹ͍࣮૷ΛӅṭ͍ͨ͠
   

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8. View Slide

9. • https://fortee.jp/iosdc-japan-2021/proposal/6b6fb68b-a45a-4878-a8b9-0dd5ed90fc39
   ΫοΫύουͷΤϯδχΞ͕ޠΔɺڊେͰྺ࢙͋ΔΞϓϦʹ͓͚Δഁ
   յͱ૑଄ - ϩάϛʔTech
   https://logmi.jp/tech/articles/321186
   

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10. ΞʔΩςΫνϟ
    • ΫϦʔϯΞʔΩςΫνϟ͸͋Δఔ౓ಋೖࡁΈʢಋೖ͞Ε͍ͯͳ͍ͱ͜
    Ζ΋͋ͬͨʣ
    
    
    • VIPERΛ࠾༻ɺΞϓϦέʔγϣϯ૚ͱυϝΠϯ૚ʹ෼͔ΕΔ
    
    
    • ֤ը໘ΛVIPERγʔϯͱݺͿ
    

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11. View Slide

12. Feature A Feature B Feature C
    7*1&3γʔϯ
    

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13. ݱࡏͷΫοΫύουΞϓϦ
    

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14. CookpadCore
    Cookpad
    ɾɾɾ
    Cookpad Tsukuru
    Feature A Feature B Feature C
    🔥
    

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15. CookpadCore
    Cookpad
    ɾɾɾ
    Cookpad Tsukuru
    Feature A Feature B Feature C
    🔥
    $PSFϞδϡʔϧ
    ந৅ԽͷͨΊͷΠϯλʔϑΣΠε
    ɾΞϓϦ಺Ͱڞ௨ͯ͠࢖͏6*ίϯϙʔ
    ωϯτͷఏڙ
    

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16. CookpadCore
    Cookpad
    ɾɾɾ
    Cookpad Tsukuru
    Feature A Feature B Feature C
    🔥
    'FBUVSF.PEVMF
    ڞ௨ͷυϝΠϯ૚Λ͍͔࣋ͭͭ͘ͷ
    7*1&3γʔϯΛଋͶͨϞδϡʔϧ
    

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17. CookpadCore
    Cookpad
    ɾɾɾ
    Cookpad Tsukuru
    Feature A Feature B Feature C
    🔥
    7*1&3γʔϯ
    'FBUVSF.PEVMF
    

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18. CookpadCore
    Cookpad
    ɾɾɾ
    Cookpad Tsukuru
    Feature A Feature B Feature C
    🔥
    ΞϓϦέʔγϣϯ
    "QQMJDBUJPO5BSHFUʹ૬౰
    શͯͷґଘΛ஌ΕΔ
    

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19. CookpadCore
    Cookpad
    ɾɾɾ
    Cookpad Tsukuru
    Feature A Feature B Feature C
    🔥
    $PPLQBE
    7*1&3Խ͞Ε͍ͯΔ͕ϞδϡʔϧԽ͞
    Ε͍ͯͳ͍γʔϯͷू߹
    

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20. CookpadCore
    Cookpad
    ɾɾɾ
    Cookpad Tsukuru
    Feature A Feature B Feature C
    🔥
    5TVLVSV
    ࠞಱ
    

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21. CookpadCore
    Cookpad
    ɾɾɾ
    Cookpad Tsukuru
    Feature A Feature B Feature C
    🔥
    

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22. Feature A Feature B
    ❌
    Feature Moduleؒ͸ґଘΛ࣋ͯͳ͍
    ॥؀ࢀরΛආ͚ΔͨΊ
    
    
    Feature Aͷ࣋ͭγʔϯ͔ΒFeature Bͷ࣋ͭ
    γʔϯʹભҠ͍ͨ͠৔߹ͳͲʹࠔΔ
    

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23. CookpadCore
    Feature A Feature B
    Environment
    Cookpad
    ᶃ&OWJSPONFOU΁ͷ໰͍߹Θͤ
    ᶄґଘͷ஫ೖ
    ᶅґଘͷऔಘ
    

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24. Environment
    • શͯͷґଘΛ࣋ͭProtocol
    
    
    • CoreϞδϡʔϧʹ͍Δʢ=͢΂͔ͯΒࢀরՄೳʣ
    
    
    • ΞϓϦέʔγϣϯλʔήοτͰ࣮૷ͯ͠ґଘΛ஫ೖ
    
    
    • ֤γʔϯ͸ੜ੒࣌ʹEnvironmentΛ΋Β͏
    
    
    • ෭࡞༻΍ґଘʹ͸Environmentܦ༝Ͱ৮Δ͜ͱͰɺ؀ڥʹΑͬͯڍಈ
    Λࠩ͠ସ͑Δ͜ͱ͕Ͱ͖Δ
    

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25. import Foundation
    import UIKit
    public protocol Environment
    {
    
    var client: ServiceClient { get
    }
    
    var pvLogger: PVLogger { get
    }
    
    var userFeatures: UserFeatures { get
    }
    
    var activityLogger: ActivityLogger { get
    }
    
    //
    …
    
    }
    
    CookpadCore
    ґଘΛQSPUPDPMԽ
    

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26. final class CookpadEnvironment: Environment
    {
    
    var client: ActivityLogger
    {
    
    CookpadActivityLogger(
    )
    
    }
    
    //
    …
    
    }
    
    Cookpad
    ΞϓϦέʔγϣϯλʔήοτͰ
    ۩ମతͳ࣮૷Λฦ͢
    

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27. environment.activityLogger.post(eventName: “tap_button”)
    Feature A
    'FBUVSF.PEVMF͔Β
    FOWJSPONFOUܦ༝Ͱར༻Ͱ͖Δ
    

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28. 28
    Environment
    CookpadEnvironment StubbableEnvironment
    Cookpad Tests
    Network Logger ը໘ભҠ
    

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29. let viewController = RecipeDetails.RecipeDetailsViewController(recipeID:
    42
    )
    
    present(viewController, animated: true, completion: nil
    )
    
    Feature A
    3FDJQF%FUBJMTϞδϡʔϧ಺ͷ
    γʔϯ͸'FBUVSF"Ϟδϡʔϧ͔
    Β͸ࢀরͰ͖ͳ͍
    ❌
    

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30. DescriptorͱResolver
    • Environment͕࣋ͭґଘղܾͷ࢓૊Έ
    
    
    • Descriptor͸ͦͷ࣮૷Λࣔ͢ϚʔΧʔ
    
    
    • CoreϞδϡʔϧʹ͍Δɻʢ=͢΂͔ͯΒࢀরՄೳʣ
    
    
    • EnvironmentʹDescriptorΛ౉ͯ͠ɺܕফڈ͞Ε࣮ͨଶΛ΋Βͬͯ͘
    Δ࢓૊Έ = ResolverͱݺΜͰ͍Δ
    

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31. import Foundation
    import UIKit
    public protocol Environment
    {
    
    var client: ServiceClient { get
    }
    
    var pvLogger: PVLogger { get
    }
    
    var userFeatures: UserFeatures { get
    }
    
    var activityLogger: ActivityLogger { get
    }
    
    //
    …
    
    func resolve(_ descriptor: Descriptor) ->
    Descriptor.Outpu
    t
    
    }
    
    CookpadCore
    3FTPMWFS
    %FTDSJQUPSΛड͚औͬͯ
    ࣮૷Λฦ͢ϝιου
    %FTDSJQUPS
    ࣮૷Λࢦࣔ͢͠ϚʔΧʔ
    

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32. public struct RecipeDetailsDescriptor: TypedDescriptor
    {
    
    public typealias Output = UIViewControlle
    r
    
    public var recipeID: Int6
    4
    
    public init(recipeID: Int64)
    {
    
    self.recipeID = recipeI
    D
    
    }
    
    }
    
    CookpadCore %FTDSJQUPS
    ࣮૷Λࢦࣔ͢͠ϚʔΧʔ
    

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33. final class CookpadEnvironment: Environment
    {
    
    public func resolve(_ descriptor: Descriptor)
    
    
    -> Descriptor.Output
    {
    
    switch descriptor
    {
    
    case let d as ViewDescriptor.RecipeDetailsDescriptor
    :
    
    return RecipeDetailsViewBuilder.build(with: d, environment: self)
    
    
    as! Descriptor.Outpu
    t
    
    }
    
    }
    
    }
    
    Cookpad
    %FTDSJQUPS͝ͱʹ࣮૷Λฦͯ͠
    ΞοϓΩϟετ͢Δ
    

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34. let viewController: UIViewController =
    environment.resolve(ViewDescriptor.RecipeDetailsDescriptor(recipeID: 42)
    )
    
    viewController.present(viewController, animated: true, completion: nil
    )
    
    Feature A
    3FTPMWFSܦ༝ͰऔΓग़͢͜ͱͰɺผͷϞδϡʔϧ
    ಺ͷγʔϯ΋6*7JFX$POUSPMMFSͱͯ͠औಘͰ͖Δ
    

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35. View Slide

36. CookpadCore
    FeatureASandbox
    Feature A
    SandboxΞϓϦ
    

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37. SandboxΞϓϦ
    ΞϓϦશମ
    

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38. ػೳ͝ͱʹಈ࡞͢ΔϛχΞϓϦͰϓϨϏϡʔαΠΫϧΛര଎ʹͨ͠࿩
    https://fortee.jp/iosdc-japan-2021/proposal/6b6fb68b-a45a-4878-a8b9-0dd5ed90fc39
    

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39. ϚϧνϞδϡʔϧԽͷޮՌ
    • ϛχΞϓϦ(Sandbox)ͷ੔උʹΑΔ։ൃମݧ(DX)ͷ޲্
    
    
    • Feature ModuleؒͷӨڹΛݮΒͤͨ
    
    
    • ಛఆϞδϡʔϧ಺ͰͷΈͷSwiftUIಋೖͳͲɺϞδϡʔϧ಺Ͱͷ௅ઓ͕
    ͠΍͘͢ͳͬͨ
    

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40. ·ͱΊ
    • Ϟδϡʔϧ෼཭։࢝લͷ໨తͷఆٛ͸ॏཁ
    
    
    • ໨త͕ఆ·͍ͬͯΕ͹ࣗͣͱ෼཭ํ๏͕ܾ·Δ
    
    
    • վળͷঢ়گΛఆྔԽͯ͠؂ࢹ
    
    
    • ґଘղܾͷ࢓૊Έ͸೉͍͠
    
    
    • ࣮ࡍʹ෼཭͕ਐΜͩΒ͔֬ʹޮՌ͕͋ͬͨʢΑ͔ͬͨʣ
    

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41. ࣮ફతϚϧνϞδϡʔϧ
    

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42. Ϟδϡʔϧ෼཭Λਁಁͤ͞Δʹ͸
    • શͯΛҰ౓ʹҠߦ͠ͳ͍
    
    
    • ݀Λ࠹͙
    
    
    • ։ൃऀ͕໎͏఺ΛݮΒ͢
    

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43. શͯΛҰ౓ʹҠߦ͠ͳ͍
    ෦෼తͳҠߦΛҙࣝͨ͠ઃܭ
    

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44. ෦෼తͳҠߦΛҙࣝͨ͠ઃܭ
    • ݹ͍࣮૷ΛҠߦ͠ͳͯ͘΋৽ن࣮૷ͷΈΛϞδϡʔϧ෼཭Ͱ͖ΔΑ͏
    ʹҙࣝͯ͠ઃܭ
    
    
    • protocolʹΑΔந৅Խ
    
    
    • protocolΛऔΓग़ͤΔResolver
    

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45. ྫ1ɿݹ͍γϯάϧτϯͷ࣮૷ͷར༻
    • ݹ͍࣮૷͸protocolΛCoreϞδϡʔϧʹఆٛ͠ɺFeature Module͔
    Β͸protocolͱͯ͠ར༻͢Δ
    
    
    • ྫ͑͹LegacyActivityLogger.sharedΛந৅Խͯ͠environment͔Βఏ
    ڙ͢Δ
    
    
    • ͜͏͢Δ͜ͱͰɺLegacyActivityLoggerΛมߋͤͣʹ֤γʔϯ͔Β͸
    ࣮૷ΛӅṭͰ͖Δ
    

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46. import Foundation
    public protocol ActivityLogger
    {
    
    func post(eventName: String, payload: [String: Any]?
    )
    
    }
    
    public protocol Environment {
    var activityLogger: ActivityLogger { get
    }
    
    //
    …
    
    }
    
    CookpadCore
    

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47. import CookpadCor
    e
    
    private struct CookpadActivityLogger: ActivityLogger
    {
    
    func post(eventName: String, payload: [String: Any]?)
    {
    
    LegacyActivityLogger.shared.post(eventName: eventName,
    
    
    payload: payload
    )
    
    }
    
    }
    
    final class CookpadEnvironment: Environment
    {
    
    var activityLogger: ActivityLogger
    {
    
    return CookpadActivityLogger(
    )
    
    }
    
    }
    
    Cookpad ΞϓϦέʔγϣϯλʔήοτ͔
    Βಈ͔ͤͳ͍ݹ͍࣮૷Λϥοϓ
    ͢Δ
    

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48. environment.activityLogger.post(eventName: “search”
    ,
    
    payload: ["keyword": "όλʔείονγφϞϯύΠ"]
    )
    
    Feature A
    'FBUVSF.PEVMF͔Β
    FOWJSPONFOUܦ༝Ͱར༻Ͱ͖Δ
    

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49. ྫ2ɿݹ͍ViewController΁ͷભҠ
    • Resolverͷ࢓૊Έ͸ݹ͍࣮૷ͷӅṭʹ΋໾ཱͭ
    
    
    • ΫϦʔϯΞʔΩςΫνϟԽ͞Ε͍ͯͳ͍ݹ͍ը໘͕͋ͬͨͱͯ͠΋ɺ
    ResolverΛ࣮૷͢Ε͹৽͍࣮͠૷͔Βಉ͡Α͏ʹར༻Ͱ͖Δ
    
    
    • ݹ͍ը໘͸Ϟδϡʔϧ෼཭͠ͳͯ͘΋ɺΞϓϦέʔγϣϯλʔήοτ
    ͔Β஫ೖ͢Ε͹ྑ͍
    

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50. final class LegacyViewBuilder: ViewBuilder
    {
    
    func build(environment: Environment) -> UIViewController
    {
    
    // VIPERԽ͞Ε͍ͯͳ͍Objective-CͰ࣮૷͞Εͨݹ͍ViewController
    let legacyViewController = CKDLegacyViewController(
    )
    
    return legacyViewControlle
    r
    
    }
    
    }
    
    Cookpad
    ΫϦʔϯΞʔΩςΫνϟԽ͞Ε͍ͯͳ͍ݹ͍ը໘΋
    7JFX#VJMEFSͰϥοϓ͢Δͱ3FTPMWFSܦ༝ͰऔಘͰ͖Δ
    

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51. ৽ن࣮૷͕࣮֬ʹҠߦ͞ΕΔΑ͏ʹ͢Δ
    ݀Λ࠹͙
    

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52. ৽ن࣮૷͕࣮֬ʹҠߦ͞ΕΔΑ͏ʹ͢ΔͨΊʹ
    • ݹ͍࣮૷͸Ұ୴ఘΊΔ
    
    
    • ৽͍࣮͠૷ʹ͍ͭͯίʔυੜ੒ػͳͲΛ४උ͠ɺ؆୯ʹϞδϡʔϧ͕
    ੜ੒Ͱ͖ΔΑ͏ʹ͢Δ
    

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53. View Slide

54. View Slide

55. Ϟδϡʔϧͷੜ੒
    • yonaskolb/XcodeGenΛར༻
    
    
    • XcodeGenͷTarget TemplateػೳͰॊೈʹTargetΛ૿΍ͤΔ
    
    
    • XcodeGenͷProject SpecΛੜ੒͢Δ࢓૊Έ(XcodeGenGen)
    

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56. targetTemplates
    :
    
    FeatureModule
    :
    
    platform: iOS
    type: framework
    sources
    :
    
    - ${frameworkName}
    settings
    :
    
    base
    :
    
    PRODUCT_BUNDLE_IDENTIFIER: com.cookpad.${frameworkName}
    MACH_O_TYPE: staticlib
    info
    :
    
    path: ${frameworkName}/Info.plist
    dependencies
    :
    
    - sdk: Foundation.framework
    - sdk: UIKit.framework
    - target: CookpadCor
    e
    
    prebuildScripts
    :
    
    - name: SwiftLint
    path: "configs/scripts/swift_lint_module.sh"
    ม਺
    

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57. --
    -
    
    targets
    :
    
    MyAwesomeModule
    :
    
    templates
    :
    
    - FeatureModule
    templateAttributes
    :
    
    frameworkName: MyAwesomeModule
    ม਺
    ܧঝݩͷ
    ςϯϓϨʔτ
    

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58. γʔϯͷੜ੒
    • yonaskolb/GenesisΛར༻
    
    
    • ςϯϓϨʔτ͔Βίʔυੜ੒Λߦ͏ϢʔςΟϦςΟ
    
    
    • ؆୯ͳઃఆϑΝΠϧͰର࿩తͳΠϯλʔϑΣΠεΛ࡞ΕΔ
    

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59. import CookpadCore
    import UIKit
    public final class {{ name }}ViewController: UIViewController, {{ name }}ViewContract
    {
    
    private var presenter: {{ name }}PresenterContract
    !
    
    private let environment: Environmen
    t
    
    init(environment: Environment)
    {
    
    self.environment = environmen
    t
    
    super.init(nibName: nil, bundle: nil
    )
    
    }
    
    @available(*, unavailable
    )
    
    required init?(coder: NSCoder)
    {
    
    fatalError("init(coder:) has not been implemented"
    )
    
    }
    
    func inject(presenter: {{ name }}PresenterContract)
    {
    
    self.presenter = presente
    r
    
    }
    
    override public func viewDidLoad()
    {
    
    super.viewDidLoad(
    )
    
    // Insert code here to connect presenter
    }
    
    ม਺
    

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60. # name must be given as options to Genesis
    options
    :
    
    - name: name
    question: VIPER scene name?
    description: new VIPER scene name to generate(e.g. RecipeDetails).
    type: string
    required: true
    - name: module
    question: Destination target?
    description: Target destination name to generate new VIPER scene. (e.g.
    RecipeDetails)
    type: string
    required: true
    files
    :
    
    - template: VIPER/FeatureModule/Regular/Contract.stencil
    path: "{{ module }}/Application/{{ name }}/{{ name }}Contract.swift"
    - template: VIPER/FeatureModule/Regular/ViewController.stencil
    path: "{{ module }}/Application/{{ name }}/{{ name }}ViewController.swift"
    - template: VIPER/FeatureModule/Regular/Wireframe.stencil
    path: "{{ module }}/Application/{{ name }}/{{ name }}Wireframe.swift
    ”
    
    …
    ࣭໰ͷ౴͑Λม਺ʹ֨ೲͰ͖Δ
    ͲͷςϯϓϨʔτΛͲ͜ʹੜ੒͢Δ͔ࢦఆ
    

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61. ։ൃऀ͕໎͏఺ΛݮΒ͢
    ৘ใͷڞ༗ͱؒҧ͑ͳ͍࢓૊ΈԽ
    

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62. ։ൃऀ͕໎͏఺ΛݮΒ͢
    • υΩϡϝϯτ΍τϥϒϧγϡʔςΟϯάͳͲͷϦιʔεΛ༻ҙ͢Δ
    
    
    • มߋ͕͋ͬͨ৔߹௥ै͢Δ
    
    
    • มߋʹ͍ͭͯɺࣾ಺ϒϩάͳͲͰ௨஌͢Δ
    
    
    • ษڧձ΍࠲ஊձͳͲΛ௨ͯ͠՝୊Λ἞Έ্͛Δ
    
    
    • ೔ʑͷϨϏϡʔ
    

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63. View Slide

64. View Slide

65. ϕετϓϥΫςΟεͷఏڙ
    • ࣮૷࣌ʹఆ͕ٛ͋΍;΍ͱͳͬͯ͠·͏఺ʹ͍ͭͯɺݸผʹϕετϓ
    ϥΫςΟεΛఏڙ͢Δ
    
    
    • Ͳ͜ͷϞδϡʔϧʹ΋ஔ͚Δ࣮૷ΛͲ͜ʹ͓͘΂͖͔
    
    
    • ༷ʑͳґଘղܾͷखஈ͕͋Δͱ͖ʹͲͷΑ͏ͳखஈΛ࠾༻͢΂͖͔
    

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66. ࢓૊ΈʹΑΔϦΞʔΩςΫνϟͷਪਐ
    • ΠϯηϯςΟϒͷઃܭ
    
    
    • Ϟδϡʔϧ෼཭͕ਐΉͱ୯ମϏϧυ͕ૣ͘ͳͬͯ։ൃ͠΍͘͢ͳΔ
    ͱݴͬͨϝϦοτΛଧͪग़͢
    
    
    • δΣωϨʔλ΍ϝλϓϩάϥϛϯά
    
    
    • ੩తղੳ
    

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67. ϝλϓϩάϥϛϯάͷར༻
    • ίʔυੜ੒ʢϝλϓϩάϥϛϯάʣΛར༻Ͱ͖ΔϲॴͰ͸ར༻͢Δ
    
    
    • ࣮૷ͷ܁Γฦ͕͠ආ͚ΒΕɺҠߦ͕͠΍͘͢ͳΔ
    
    
    • ఆܕ͔Β֎Ε࣮ͨ૷͕Ͱ͖ͳ͘ͳͬͨΓ
    
    
    • ࣮૷๨ΕΛίϯύΠϧ࣌ʹݕग़Ͱ͖ΔΑ͏ʹͰ͖Δ
    

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68. ྫ1: Resolverͷੜ੒ࣗಈԽ
    • ઌ΄ͲݟͨDescriptor͔ΒViewControllerΛresolve͢Δ࣮૷Λϝλϓ
    ϩάϥϛϯάʹΑͬͯࣗಈԽ
    
    
    • ࣅͨΑ͏ͳίʔυͷ܁Γฦ͠Λຖճ࣮૷͠ͳͯ͘ྑ͘ͳͬͨ
    

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69. final class CookpadEnvironment: Environment
    {
    
    public func resolve(_ descriptor: Descriptor)
    
    
    -> Descriptor.Output
    {
    
    switch descriptor
    {
    
    case let d as ViewDescriptor.RecipeDetailsDescriptor
    :
    
    return RecipeDetailsViewBuilder.build(with: d, environment: self)
    
    
    as! Descriptor.Outpu
    t
    
    }
    
    }
    
    }
    
    Cookpad
    ࣮૷๨Ε͕͋ΔͱΫϥογϡ͢Δ
    ୯७ʹຖճ࣮૷͢Δͷ͕໘౗
    ͜͜ʹෳࡶͳॲཧ͕ॻ͚ͯ͠·͏
    ❌
    ❌
    ❌
    

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70. // ࣗಈੜ੒͢ΔΑ͏ʹͨ͠
    final class CookpadEnvironment: Environment
    {
    
    public func resolve(_ descriptor: Descriptor)
    
    
    -> Descriptor.Output
    {
    
    switch descriptor
    {
    
    case let d as ViewDescriptor.RecipeDetailsDescriptor
    :
    
    return RecipeDetailsViewBuilder.build(with: d, environment: self)
    
    
    as! Descriptor.Outpu
    t
    
    }
    
    }
    
    }
    
    Cookpad
    શέʔε͕໢ཏ͞ΕΔΑ͏ʹ
    ຖճ࣮૷͠ͳͯ͘ྑ͍
    ఆܗ֎ͷ࣮૷͕ෆՄೳʹ
    

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71. ͜ͷ࢓૊Έͷར఺
    • ໢ཏੑͷ୲อ
    
    
    • શDescriptorͷResolver͕͋Δ͜ͱΛίϯύΠϧ࣌ʹอূͰ͖Δ
    
    
    • ن໿΁ͷద߹ͷอূ
    
    
    • ResolverͷதͰҙਤ͠ͳ͍ڍಈΛ࣮૷͢ΔͳͲ͕Ͱ͖ͳ͘ͳΓɺΠϯ
    λʔϑΣΠε͕ἧ͑ΒΕΔ
    
    
    • লྗԽ
    
    
    • ։ൃऀ͸DescriptorͱViewBuilderΛ༻ҙ͢Δ͚ͩͰྑ͍
    

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72. ίʔυੜ੒Λ༻͍ͨiOSΞϓϦϚϧνϞδϡʔϧԽͷͨΊͷґଘղܾ
    https://techlife.cookpad.com/entry/2021/06/16/110000
    

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73. ྫ2: ϞοΫͷࣗಈੜ੒
    • CoreϞδϡʔϧʹ͍ΔProtocolͷϞοΫΛࣗಈੜ੒͢Δ
    
    
    • Ϣχοτςετ΍SandboxΞϓϦͰμϛʔͷ஋Λྲྀ͠ࠐΈ͍ͨͱ͖ʹ
    ༗༻
    
    
    • krzysztofzablocki/SourceryͰ࣮ݱ͍ͯ͠Δ
    
    
    • ࠷ۙ͸uber/mockoloͱ͍͏΍͕ͭ͋Γஔ͖׵͑ΒΕͦ͏
    

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74. protocol RecipeSearchDataSource
    {
    
    func searchRecipe(keyword: String) -> Single<[Recipe]>
    }
    
    CookpadCore
    

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75. class MockRecipeSearchDataSource: RecipeSearchDataSource
    {
    
    lazy var searchRecipeReturnValue: Single<[Recipe]> = { fatalError("\
    (#line)") }(
    )
    
    // MARK: - searchRecipe
    var searchRecipeCallsCount = 0
    var searchRecipeCalled: Bool
    {
    
    return buildCallsCount > 0
    }
    
    func searchRecipe(keyword: String) -> Single<[Recipe]>
    {
    
    searchRecipeCallsCount += 1
    return searchRecipeReturnValu
    e
    
    }
    
    }
    
    let dataStore = MockRecipeSearchDataSource(
    )
    
    dataStore.searchRecipeReturnValue = .just([recipe0, recipe1]
    )
    
    dataStore.searchRecipe(keyword: “φΠεΫϦʔϜ”
    )
    
    

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76. ͦͷଞͷ޻෉
    • Interface Builderͷ੩తղੳΛߦ͏
    
    
    • IBDecodable/IBLinter
    
    
    • ϞδϡʔϧҠߦͷͨΊͷεΫϦϓτ੔උ
    

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77. Ϟδϡʔϧ෼཭ͷਁಁͷͨΊʹͰ͖Δ͜ͱ
    • ͍ͬ΃ΜʹҠߦ͢Δͷ͸೉͍͠
    
    
    • ৽͍࣮͠૷ͷΈʹ͍ͭͯҠߦ͠΍͍͢Α͏ʹ͢Δ
    
    
    • ݹ͍࣮૷Λޙճ͠ʹͰ͖Δઃܭ
    
    
    • ϝϯόʔͷڠྗΛऔΓ෇͚Δ޻෉
    
    
    • ਓखΛ࢖Θͳͯ͘΋Ҡߦ͕ਐΉ࢓૊Έ࡞Γ
    
    
    • ίʔυੜ੒ɺlinterɺ ੩తղੳ
    

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78. ·ͱΊ
    • ΫοΫύουͰͷϚϧνϞδϡʔϧԽͷ͜Ε·Ͱͱݱঢ়
    
    
    • ଞͷϓϩδΣΫτ΁ͷదԠͷҰॿͱͳΕ͹޾͍Ͱ͢
    
    
    • աڈͷࢿྉΛࢀর௖͍ͨΓɺask the speakerͰ࿩͠·͠ΐ͏
    
    
    • Twitter : @giginet ·Ͱ͓ؾܰʹ
    

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79. ࢀߟࢿྉ
    • ʙբ͕ؔʙ ΫοΫύουiOSΞϓϦͷഁյͱ૑଄ɺͦͯ͠ະདྷ
    
    
    • https://techconf.cookpad.com/2019/kohki_miki.html
    
    
    • ΫοΫύουͷΤϯδχΞ͕ޠΔɺڊେͰྺ࢙͋ΔΞϓϦʹ͓͚Δഁ
    յͱ૑଄ - ϩάϛʔTech
    
    
    • https://logmi.jp/tech/articles/321186
    

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80. • XcodeGenʹΑΔ৽࣌୅ͷiOSϓϩδΣΫτ؅ཧ
    
    
    • https://techlife.cookpad.com/entry/2019/04/26/110000
    
    
    • େن໛ͳiOSΞϓϦͷը໘։ൃΛޮ཰Խ͢ΔͨΊʹಈ࡞֬ೝ༻ϛχΞ
    ϓϦΛߏங͢Δ
    
    
    • https://techlife.cookpad.com/entry/2020/08/05/090000
    
    
    • ίʔυੜ੒Λ༻͍ͨiOSΞϓϦϚϧνϞδϡʔϧԽͷͨΊͷґଘղܾ
    
    
    • https://techlife.cookpad.com/entry/2021/06/16/110000
    

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81. • 5/26 Cookpad Lounge #3 ʮΫοΫύου iOS ΞϓϦΛര଎Ͱ։ൃͰ
    ͖ΔΑ͏ʹ͢Δ࿩ʯ
    
    
    • https://www.youtube.com/watch?v=hqWiOeRyZ94
    
    
    • 6/16 iOS Tech Talk ʙ Multi module ઓུ࠲ஊձ ʙ
    
    
    • https://www.youtube.com/watch?v=5p6h5yiQ2PQ
    
    
    • 7/2 iOS Tech Talk ʙ Multi module ઓུ࠲ஊձ vol.2
    
    
    • https://www.youtube.com/watch?v=glpfnnDDaz8
    

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82. એ఻
    • After Party iOSDC Japan 2021
    
    
    • https://cookpad.connpass.com/event/222056/
    

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83. ͝ਗ਼ௌ
    
    
    ͋Γ͕ͱ͏͍͟͝·ͨ͠
    @giginet
    

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