Chrome Extension Techniques from Hell

プロポーザルの余白を読み解くRubyKaigi 2025 (https://smartbank.connpass.com/event/347455/) のLT資料です。

Transcript

1. $ISPNF
   &YUFOTJPO
   5FDIOJRVFT
   GSPN
   )FMM
   ʙ
   %FCVHHFSฤ
   ʙ  
   ਫ
   ϓϩϙʔβϧͷ༨നΛಡΈղ͘
   3VCZ,BJHJ
   
   גࣜձࣾεϚʔτόϯΫ
   !NP[OJPO
2.  4NBSU#BOL
   *OD
   
   4PGUXBSF
   &OHJOFFS 5BJLJ
   ,BXBLBNJ
   !NP[OJPO !NP[OJPO !NP[OJPO !NP[OJPO
3.  $ISPNF
   &YUFOTJPO
4.  $ISPNF
   &YUFOTJPOͱ͸ ུ
   օ͞Μ͝ଘ஌
5. $ISPNF
   &YUFOTJPO࡞ͬͯ·͔͢
6.  ࠷ۙ࡞ͬͨ΍ͭ IUUQTDISPNFXFCTUPSFHPPHMFDPNEFUBJMDMJQPMJOFFLNHHHMKLHQEHBMQBJMHJCMBMDNNFDOI IMKB
7.  NP[OJPODMJQPMJOF ݟͯΔ8FCϖʔδΛ
    1MBJO
   5FYU
   .BSLEPXO
   1%'ͷ͍ͣΕ͔ʹม׵͠
    (PPHMF
   %PDT͋Δ͍͸/PUFCPPL-.ʹΞοϓϩʔυ͢Δ
8.  NP[OJPODMJQPMJOF ݟͯΔ8FCϖʔδΛ
    1MBJO
   5FYU
   .BSLEPXO
   1%'ͷ͍ͣΕ͔ʹม׵͠
    (PPHMF
   %PDT͋Δ͍͸/PUFCPPL-.ʹΞοϓϩʔυ͢Δ
9.  $ISPNF֦ு্Ͱ8FCϖʔδΛ1%'ʹ͢Δํ๏  KT1%'ͱ͔ͰΫϥΠΞϯταΠυͰؤுΔ
    Ұ୴αʔόʔʹૹͬͯ1%'Λ࡞੒ͤ͞Δ
   
10.  $ISPNF֦ு্Ͱ8FCϖʔδΛ1%'ʹ͢Δํ๏  KT1%'ͱ͔ͰΫϥΠΞϯταΠυͰؤுΔ
     Ұ୴αʔόʔʹૹͬͯ1%'Λ࡞੒ͤ͞Δ
    6NNN🤨
11.  $ISPNF֦ு্Ͱ8FCϖʔδΛ1%'ʹ͢Δํ๏  KT1%'ͱ͔ͰΫϥΠΞϯταΠυͰؤுΔ
     Ұ୴αʔόʔʹૹͬͯ1%'Λ࡞੒ͤ͞Δ
     $ISPNFͷҹ࡮ػೳΛ࢖͏ 💡
12.  $ISPNFͷҹ࡮
13.  $ISPNFͷҹ࡮ ͜ΕΛ֦ு͔Βݺ΂Δͱྑ͍
14. %FCVHHFS
15.  %FCVHHFS 5IF DISPNFEFCVHHFS "1*
    TFSWFT
    BT
    BO
    BMUFSOBUF
    USBOTQPSU
    GPS
    $ISPNFT SFNPUF
    EFCVHHJOH
    QSPUPDPM
    6TF DISPNFEFCVHHFS UP
    BUUBDI
    UP
    POF
    PS
    NPSF
    UBCT
    UP
    JOTUSVNFOU
    OFUXPSL
    JOUFSBDUJPO
    EFCVH
    +BWB4DSJQU
    NVUBUF
    UIF
    %0.
    BOE
    $44
    BOE
    NPSF
    6TF
    UIF %FCVHHFF QSPQFSUZ UBC*E UP
    UBSHFU
    UBCT
    XJUI TFOE$PNNBOE BOE
    SPVUF
    FWFOUT
    CZ UBC*E GSPN PO&WFOU DBMMCBDLT
    IUUQTEFWFMPQFSDISPNFDPNEPDTFYUFOTJPOTSFGFSFODFBQJEFCVHHFS
16.  %FCVHHFS
17.  %FCVHHFS 5IF DISPNFEFCVHHFS "1*
    TFSWFT
    BT
    BO
    BMUFSOBUF
    USBOTQPSU
    GPS
    $ISPNFT SFNPUF
    EFCVHHJOH
    QSPUPDPM
    6TF DISPNFEFCVHHFS UP
    BUUBDI
    UP
    POF
    PS
    NPSF
    UBCT
    UP
    JOTUSVNFOU
    OFUXPSL
    JOUFSBDUJPO
    EFCVH
    +BWB4DSJQU
    NVUBUF
    UIF
    %0.
    BOE
    $44
    BOE
    NPSF
    6TF
    UIF %FCVHHFF QSPQFSUZ UBC*E UP
    UBSHFU
    UBCT
    XJUI TFOE$PNNBOE BOE
    SPVUF
    FWFOUT
    CZ UBC*E GSPN PO&WFOU DBMMCBDLT
    IUUQTEFWFMPQFSDISPNFDPNEPDTFYUFOTJPOTSFGFSFODFBQJEFCVHHFS
18.  1BHFQSJOU5P1%' ̈IUUQTDISPNFEFWUPPMTHJUIVCJPEFWUPPMTQSPUPDPMUPU1BHFNFUIPEQSJOU5P1%'
19.  1BHFQSJOU5P1%' ̈IUUQTDISPNFEFWUPPMTHJUIVCJPEFWUPPMTQSPUPDPMUPU1BHFNFUIPEQSJOU5P1%' ͋Δʂʂʂʂʂʂʂʂ
20.  1BHFQSJOU5P1%'
21.  NP[OJPODMJQPMJOF ݟͯΔ8FCϖʔδΛ
     1MBJO
    5FYU
    .BSLEPXO
    1%'ͷ͍ͣΕ͔ʹม׵͠
     (PPHMF
    %PDT͋Δ͍͸/PUFCPPL-.ʹΞοϓϩʔυ͢Δ
22. ࣌఺ɺ/PUFCPPL-.ʹ͸
    ެ։"1*͕ଘࡏ͠ͳ͍ʂʂʂ
23.  /PUFCPPL-.ʹެ։"1*͕ଘࡏ͠ͳ͍ ͳΜͱ͔ͯ͠ΞοϓϩʔυॲཧΛ࣮૷͢Δඞཁ͕͋Δɻ
    ํ๏
     ؤுͬͯGFUDI͢ΔͳΓͳΜͳΓͰ΍Δ
     ࣮ࡍʹ8FC
    7JFXΛૢ࡞͢Δ
24.  /PUFCPPL-.ʹެ։"1*͕ଘࡏ͠ͳ͍ ͳΜͱ͔ͯ͠ΞοϓϩʔυॲཧΛ࣮૷͢Δඞཁ͕͋Δɻ
    ํ๏
     ؤுͬͯGFUDI͢ΔͳΓͳΜͳΓͰ΍Δ
     ࣮ࡍʹ8FC
    7JFXΛૢ࡞͢Δ )NNNN
25.  ̈IUUQTQQUSEFWHVJEFTSVOOJOHQVQQFUFFSJOFYUFOTJPOT
26.  ̈IUUQTQQUSEFWHVJEFTSVOOJOHQVQQFUFFSJOFYUFOTJPOT
27.  ‼‼‼‼‼‼‼‼ ̈IUUQTQQUSEFWHVJEFTSVOOJOHQVQQFUFFSJOFYUFOTJPOT
28.  3VOOJOH
    1VQQFUFFS
    JO
    $ISPNF
    FYUFOTJPOT $ISPNF
    &YUFOTJPOͰ1VQQFUFFS͕ಈ͘ʂ
    ಺෦ڍಈͱͯ͠͸%FCVHHFSܦ༝Ͱϒϥ΢βʹ1VQQFUFFS͕
    Ξλον͠ɺ࣮ࡍʹλϒΛ։͍ͯͦΕΛૢ࡞͢Δͱ͍͏
    ඇৗʹ
    ෆؾຯ
    ௚ײతͳڍಈΛ͢Δɻ
29.  %FNP
30.  1%'ॲཧͰ͍Ζ͍Ζ΍͍͕ͬͯͨʜʜ 1VQQFUFFS͕ಈ͘ͷͰ͋Ε͹ɺ࣮͸
    A1BHFQSJOU5P1%'A
    Λ
    ݺͿඞཁ͸ͳ͘1VQQFUFFSͷ
    A1BHFQEG A
    Λݺ΂͹ྑ͍ ̈IUUQTQQUSEFWHVJEFTQEGHFOFSBUJPO
31. ·ͱΊ
32.  ·ͱΊ  $ISPNF
    &YUFOTJPOͷ%FCVHHFS͸͘͢͝ɺ΄΅ͳΜͰ΋Ͱ͖Δ
     /PUFCPPL-.͸ૣ͘1VCMJD
    "1*Λఏڙͯ͠΄͍͠