フロントエンドリアーキテクチャリングと開発チームのスキルトランスファーにおける9ヶ月間の奮闘記

https://jsconf.jp/2023/talk/wakamsha-1/
https://www.youtube.com/live/N1lhkH33fwY?si=Ytihy_yTzuAdbd5L&t=8774

2023年1月から9月にかけて弊社 BtoB web アプリケーションのリアーキテクチャリングプロジェクトにフロントエンドのシステムアーキテクトとして参画し、技術選定から開発メンバーのスキルトランスファー（育成）、果ては包括的な開発プロセスの改善までと幅広く支援してきました（2023年11月現在も進行中）。そこでの奮闘で得た学びと新たに浮き彫りとなった課題についてご紹介します。

Transcript

1.  wakamsha Naoki YAMADA 'SPOU
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   SFBSDIJUFDUJOH
   BOE
   
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   PG
   TUSVHHMF
   JO
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   USBOTGFS
   PG
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2. 4BZ
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3. wakamsha Naoki YAMADA
   
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   ϑϩϯτΤϯυਪਐάϧʔϓ Frontend Developer Money Forward, Inc. Frontend Forward Group
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7. νʔϜ͸ϞμϯͳϑϩϯτΤϯυ։ൃͷ ਱ߦʹඞཁͳεΩϧΛशಘ͢Δ 5FBNT
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   BOE
   CF
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   B
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9. ϚωʔϑΥϫʔυ Ϋϥ΢υձܭPlus 2020೥2݄ϩʔϯνɻ 2013೥11݄ʹϩʔϯνͨ͠ʮΫϥ΢υձܭʯͱ͍͏ϓϩμΫτΛϋʔυϑΥʔΫɻ ෆཁͳίʔυΛ࡟͗མͱͭͭ͠ඞཁͳػೳΛܧ͗଍ͯ͠ݱࡏʹࢸΔɻ .POFZ
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10. BE + FE
11. BE FE GraphQL
12. 👨🦰 👩🎤 👨💻 🧑💻 🧑💻 🧑💻 Product Owner UI Designer Frontend Engineer Engineers Tech Support
13. πʔϧ΍ϥΠϒϥϦબఆʹ͓͚Δॿݴ ϑϩϯτΤϯυΞʔΩςΫνϟͷఏҊ ίʔσΟϯάϚχϡΞϧͷఏڙ ίʔυϨϏϡʔ ϖΞϓϩάϥϛϯά αϯϓϧίʔυͷ࡞੒ɾఏڙ খن໛ͳ࣮૷ etc… ຊ֨తͳ࣮૷࡞ۀʹ͸ܞΘΒͳ͍ɻ ͋͘·Ͱʮٕज़ࢧԉऀʯͱ͍͏ཱͪҐஔͰαϙʔτʹప͢Δɻ Advice on tool and library selection Proposal of front-end architecture Provision of coding manuals Code review Pair programming Creation and Provision of sample code Small-scale implementation etc… %PO`U
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14. ॏ఺తʹऔΓ૊Μͩ͜ͱ 'PDVTFE
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20. ,OPXMFEHF
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30. *OUSPEVDF
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31. 'PTUFS
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32. &OIBODF
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34. .BLF
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36. &OIBODF
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37. ͋ͳ͕ͨ਺෼࢖ͬͯͦͷϞδϡʔϧʹtype hintͱdoc stringΛ ॻ͚ͩ͘Ͱɺ೥ؒ਺೔෼ͷଞਓͷ͕࣌ؒੜ·ΕΔɻ +VTU
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38. 4UBSU
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39. 5SZ
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40. ͱ͖ʹ͸ϥΠϒϥϦʹཔΒͶ͹ͳΒͳ͍͜ͱ΋͋Δ͕ɺ Α͘ௐ΂΋ͤͣʮྲྀߦͬͯΔ͔Βʯʮศརͦ͏ʯͱ͍͏ཧ༝͚ͩͰ ࠾୒ͯ͠͸ͳΒͳ͍ɻ 4PNFUJNFT
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    PO
    MJCT
    )PXFWFS
    ZPV
    TIPVMEO`U
    BEPQU
    UIFN
    KVTU
    CFDBVTF
    lUIFZ`SF
    QPQVMBSz
    PS
    lTFFN
    DPOWFOJFOUz
    XJUIPVU
    DBSFGVMMZ
    SFTFBSDIJOH
    UIFN
41. $POTJEFS
    GVUVSF
    NJHSBUJPO
    QPTTJCJMJUJFT
    
    BU
    UIF
    TBNF
    UJNF
    BT
    MJCSBSZ
    JOTUBMMBUJPO ϥΠϒϥϦಋೖͱಉ࣌ʹ কདྷͷҠߦՄೳੑ΋ߟྀ͢Δ ͲͷΑ͏ʹ࣮૷͢Ε͹௿ίετͰണ͕ͤΔ͔Λॏࢹͯ͠ϨϏϡʔɻ ઃܭͷܦҢ͸ Design Doc (or ADRs) ͱͯ͠࢒͢ɻ 5IF
    SFWJFX
    GPDVTFT
    PO
    IPX
    UP
    JNQMFNFOU
    JU
    TP
    UIBU
    JU
    DBO
    CF
    SFNPWFE
    BU
    MPX
    DPTU
    %PDVNFOU
    UIF
    EFTJHO
    QSPDFTT
    BT
    B
    %FTJHO
    %PD
    PS
    "%3T
42. ؙ҉هΛపఈతʹഉআ͢Δ Ұ౓ʹଟ͘ͷπʔϧ΍஌ݟΛಋೖ͠ͳ͍ CSS ʹର͢ΔۤखҙࣝΛ෷১͢Δ ࣗಈԽ΁ͷੵۃతͳ౤ࢿ υΩϡϝϯςʔγϣϯ׳शͷৢ੒ ंྠͷ࠶ൃ໌͔Β࢝ΊΔ "WPJE
    SPUF
    NFNPSJ[BUJPO
    %P
    OPU
    JOUSPEVDF
    NBOZ
    UPPMT
    BOE
    LOPXMFEHF
    BU
    PODF
    (FU
    SJE
    PG
    UIFJS
    EJTMJLF
    PG
    $44
    "HHSFTTJWF
    JOWFTUNFOU
    JO
    BVUPNBUJPO
    'PTUFS
    B
    EPDVNFOUBUJPO
    DVMUVSF
    4UBSU
    CZ
    SFJOWFOUJOH
    UIF
    XIFFM
43. "GUFS
    UIF
    TVQQPSU
    BDUJWJUJFTʜ ࢧԉ׆ಈΛऴ͑ͯ
44. 5IF
    JNQPSUBODF
    PG
    UIF
    EFWFMPQNFOU
    NBOBHFS`T
    VOEFSTUBOEJOH
    PG
    UIF
    EFWFMPQNFOU
    TJUF ҙࢥܾఆऀʢ㲈 POʣͷ։ൃݱ৔ʹର͢Δ ཧղྗͷॏཁੑ Ϛωʔδϟʔ૚ؚΉҙࢥܾఆऀ͕ٕज़ʹ͍ͭͯཧղ͍ͯ͠ͳ͍ͱٞ࿦ʹͳΒͳ͍ɻ ݱ৔͔Β΋ٕज़తͳ؍఺ʹ͍ͭͯओுͰ͖ͳ͍ͱٞ࿦ʹͳΒͳ͍ɻ *G
    NBOBHFST
    EP
    OPU
    VOEFSTUBOE
    UIF
    UFDIOPMPHZ
    UIFSF
    XJMM
    CF
    OP
    EJTDVTTJPO
    5IFSF
    XJMM
    CF
    OP
    EJTDVTTJPO
    VOMFTT
    UIF
    UFDIOJDBM
    QFSTQFDUJWF
    DBO
    CF
    BTTFSUFE
    GSPN
    UIF
    fi FME
45. 5IF
    JNQPSUBODF
    PG
    BO
    JORVJTJUJWF
    NJOE
    UPXBSET
    UFDIOPMPHZ ٕज़ʹର͢Δ୳ڀ৺ͷॏཁੑ ʮϢʔβʔʹՁ஋Λಧ͚͍ͨʯͱ͍͏૝͍͚ͩͰ͸΍͍͚ͬͯͳ͍ɻ ٕज़ݚᮎͤͣʹՁ஋Λಧ͚ΒΕΔ΄Ͳ؁͘ͳ͍ɻ 1SPEVDU
    EFWFMPQNFOU
    DBOOPU
    CF
    EPOF
    TJNQMZ
    CZ
    XBOUJOH
    UP
    EFMJWFS
    WBMVF
    UP
    VTFST
    *U`T
    OPU
    FBTZ
    FOPVHI
    UP
    EFMJWFS
    WBMVF
    XJUIPVU
    JNQSPWJOH
    UFDIOPMPHZ
46. 5IF
    JNQPSUBODF
    PG
    BO
    JORVJTJUJWF
    NJOE
    UPXBSET
    UFDIOPMPHZ ٕज़ʹର͢Δ୳ڀ৺ͷॏཁੑ ʮ޷͖ʯͱ·Ͱ͍͔ͳ͘ͱ΋ʮ໘ന͍ʯͱࢥͬͯ΋Β͏ඞཁ͕͋Δɻ খ͞ͳ੒ޭମݧΛͨ͘͞ΜੵΊΔΑ͏ʹ൐૸͠·͘Δɻ &WFO
    JG
    UIFZ
    EPOU
    MJLF
    JU
    UIFZ
    OFFE
    UP
    fi OE
    JU
    JOUFSFTUJOH
    *
    XJMM
    BDDPNQBOZ
    ZPV
    TP
    UIBU
    ZPV
    DBO
    BDDVNVMBUF
    NBOZ
    TNBMM
    TVDDFTT
    FYQFSJFODFT
47. .BUUFST
    GPS
    SF fl FDUJPO ൓ল఺ ૣظ͔Βٕज़ݕূɾΩϟονΞοϓ༻ͷ Experimental ϦϙδτϦΛ࡞Δ΂͖ͩͬͨɻ ෳࡶɾଟػೳͳίϯϙʔωϯτ΍ϖʔδ͔Βணखͨ͜͠ͱͰඞཁҎ্ʹۤ࿑͢Δ৔໘͕͋ͬͨɻ Design Doc ͱ ADRs ʹର͢Δཧղ͕ෆ଍͓ͯ͠Γɺ૒ํ͕੔ཧ͞Ε͍ͯͳ͍ɻ "O
    FYQFSJNFOUBM
    SFQPTJUPSZ
    GPS
    UFDIOJDBM
    WFSJ fi DBUJPO
    BOE
    DBUDIVQ
    TIPVME
    IBWF
    CFFO
    DSFBUFE
    GSPN
    BO
    FBSMZ
    TUBHF
    5IFSF
    XFSF
    UJNFT
    XIFO
    *
    TUSVHHMFE
    NPSF
    UIBO
    OFDFTTBSZ
    CFDBVTF
    *
    TUBSUFE
    XJUI
    DPNQMFY
    BOE
    NVMUJGVODUJPOBM
    DPNQPOFOUT
    BOE
    QBHFT
    %VF
    UP
    B
    MBDL
    PG
    VOEFSTUBOEJOH
    PG
    %FTJHO
    %PD
    BOE
    "%3T
    CPUI
    XFSF
    EJTPSHBOJ[FE
48. "OE
    OPXʜ ͦͯ͠ݱࡏʢ2023೥10݄Ҏ߱ʣ νϟοτʹΑΔٕज़૬ஊ͸ਵ࣌ड͚෇͚͍ͯΔɻ ຖि30෼ؒ͸ಉظతͳίϛϡχέʔγϣϯͷ৔Λઃ͚͍ͯΔɻ 5FDIOJDBM
    DPOTVMUBUJPO
    WJB
    DIBU
    JT
    BWBJMBCMF
    BU
    BOZ
    UJNF
    8F
    TFU
    VQ
    B
    NJOVUF
    PQQPSUVOJUZ
    GPS
    TZODISPOPVT
    DPNNVOJDBUJPO
    FWFSZ
    XFFL
49. 'VUVSF
    QSPTQFDUTʜ ࠓޙͷల๬ ίʔσΟϯάϚχϡΞϧɺΞΫηγϏϦςΟΨΠυϥΠϯΛ͸͡Ίͱ͢Δ υΩϡϝϯςʔγϣϯͷ੔උɻ ฐࣾϓϩμΫτԣஅͰར༻ՄೳͳσβΠϯγεςϜʢUI ίϯϙʔωϯτؚΉʣͷ։ൃɻ %FWFMPQJOH
    EPDVNFOUBUJPO
    TVDI
    BT
    DPEJOH
    NBOVBMT
    BOE
    BDDFTTJCJMJUZ
    HVJEFMJOFT
    %FWFMPQJOH
    B
    EFTJHO
    TZTUFN
    JODMVEJOH
    6*
    DPNQPOFOUT
    UIBU
    DBO
    CF
    VTFE
    BDSPTT
    BMM
    PVS
    QSPEVDUT
50. 5IBOLT
    TP
    NVDI ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠