TCAでのClient/Managerの 利用パターンでは副作用のActionやErrorを分離できる

Transcript

1. TCAͰͷClient/Managerͷ ར༻ύλʔϯͰ͸෭࡞༻ͷ Action΍ErrorΛ෼཭Ͱ͖Δ iOSΞϓϦ։ൃͷͨΊͷFunctional Architecture৘ใڞ༗ձ2 @yimajo 2020/11/22 #fa_ios

2. The Composable Architecture ʹ͸ ಛఆͷ෭࡞༻Λ·ͱΊΔΧελϜͳ Client/Managerܕͷαϯϓϧ͕͋Δ

3. • DownloadClient • WebSocketClient • LocalSearchClient • WeatherClient • SpeechClient

   • AuthenticationClient • AudioPlayerClient • AudioRecorderClient • MotionManager • LocationManager

4. State Action View Store DI Environment Client Effect Reducer Error

   "DUJPO

5. State Action View Store DI Environment Client Effect Reducer Error

   "DUJPO

6. State Action View Store DI Environment Client Effect Reducer Error

   "DUJPO

7. State Action View Store DI Environment Client Effect Reducer Error

   "DUJPO

8. State Action View Store DI Environment Client Effect Reducer Error

   "DUJPO

9. State Action View Store DI Environment Client Effect Reducer Error

   "DUJPO

10. State Action View Store DI Environment Client Effect Reducer Error

    "DUJPO

11. Clientͷߏ੒

12. ෭࡞༻࣮ߦΫϩʔδϟ ઐ༻ͷΤϥʔ ઐ༻ͷ"DUJPO

13. $MJFOUͷ࣮ߦΛอ࣋͢Δ
    %FQFOEFODJFT

14. TUBUJD
    MFU
    MJWFͰγϯάϧτϯతͳΠϯλϑΣʔε ෭࡞༻࣮ߦΫϩʔδϟDBODFMͷఆٛ ෭࡞༻࣮ߦΫϩʔδϟEPXOMPBEͷఆٛ

15. MJWFͷݺͼग़͠͸&OWJSPONFOUͰ lMJWFzͷݴ༿ͷҙຯ͸Α͘Θ͔Βͳ͍
    QSFWJFXʹ΋MJWF͸࢖͏ͷͰຊ൪༻ͬͯҙຯͰͳ͍ MJWF/VNCFS'BDU GPS ͳͲ͸୯ʹ௨৴͢Δ͚ͩɻ
    ؂ࢹͳͲΛ͍ͯ͠ΔΘ͚Ͱ΋ͳ͍ɻ GBWPSJUF JEJT'BWPSJUF ΋BTZOD"GUFSͳͷͰඇಉظॲཧ

16. Clientͷ෭࡞༻࣮ߦΫϩʔδϟͷ ݺͼग़͠

17. ෭࡞༻࣮ߦΫϩʔδϟEPXOMPBEͷ࣮ߦ

18. ཧ۶ͱͯ͠ɺ$PSF.PUJPOͷ
    TUBSU%FWJDF.PUJPO6QEBUFT VTJOH UP
    ͜Ε͸୺຤ͷϞʔγϣϯΛݕ஌͢Δͱಈ࡞͢ΔΫϩʔδϟɻ ͜ͷ෭࡞༻࣮ߦΫϩʔδϟ͸֎෦͔Βݺ͹Εͣɺ
    ಺෦Ͱ4VCTDSJCFS͕ΠϕϯτΛTFOEͯ͘͠ΕΔɻ

19. ෭࡞༻࣮ߦΫϩʔδϟͷ಺෦ݺͼग़͠ • ࣗಈͰԿ͔Λ؂ࢹͯ͠มԽ͕͋ͬͨΒAction͕ݺͼग़ͤΔ • Motion • Location • Core DataͷFetch

    Result Controller

20. %PXOMPBE$MJFOUͷ"DUJPOΛ3FEVDFSʹ఻͑Δ

21. ·ͱΊ • Action/ErrorΛݸผʹఆٛ • ෭࡞༻࣮ߦΫϩʔδϟ • ΫϩʔδϟΛReducer͕֎෦ݺͼग़͠ • Ϋϩʔδϟ಺෦Ͱউखʹ࣮ߦͤͨ͞Γ