requireの循環参照

フロントエンド LT & 座談会（freee x みんなのウェディング）のLTスライド

Transcript

1. SFRVJSFͷ॥؀ࢀর
2. w UXJUUFS
   !ZP@XBLB
   ͱਃ͠·͢
   w GSFFFͰΤϯδχΞΛ͍ͯ͠·͢
   w +BWB4DSJQUνϣοτεΩ
3. GSFFFࣾͷͱ͋Δ೔ৗ w ʮ͋Εɺ999ίϯϙʔωϯτΛදࣔ͠Α͏ͱ͢ ΔͱΤϥʔʹͳΔʯ
   w ʮ͑ɺͳΜͰ͜ΕΤϥʔʹͳͬͯΔͷ͔શવΘ ͔Βͳ͍Μ͚ͩͲʯ
   w ʮ͜ɺ͍ͭ͜॥؀ࢀরͯ͠Δͧɾɾʂʯ
4. ͜Μͳίʔυ w 
   BKT
 WBS
   C
   
   SFRVJSF bC` 
 NPEVMFFYQPSUT
   
   \

   
   GPP
   GVODUJPO
   \
   DPOTPMFMPH bB` 
   DPOTPMFMPH C 
   ^
 ^
   w 
   CKT
 WBS
   B
   
   SFRVJSF bB` 
 NPEVMFFYQPSUT
   
   \

   
   GPP
   GVODUJPO
   \
   DPOTPMFMPH bC` 
   DPOTPMFMPH B 
   ^
 ^
 
 
   NBJOKT
 WBS
   B
   
   SFRVJSF bB` 
 WBS
   C
   
   SFRVJSF bC` 
 BGPP 
   
   PVUQVU
   bB`
   BOE
   b\
   GPP
   <'VODUJPO>
   ^`
 CGPP 
   
   PVUQVU
   bC`
   BOE
   b\^`
   
   GPP͕ఆٛ͞Εͯͳ͍ͧʂ
5. SFRVJSFͷ॥؀ࢀর w B͕CΛSFRVJSF
   w C͕BΛSFRVJSF
   w ୯७ʹߟ͑ΔͱNBYJNVN
   DBMM
   TUBDL
   TJ[F
   FYDFFEFEΤϥʔʹͳΓͦ͏ͳײ͡͸͢Δ
6. /PEFKT
   SFRVJSF dDJSDVMBSDPNNPOKT
   OPEF
   TSDJOEFYKT
 B
 \
   GPP
   <'VODUJPO>
   ^
 C
 \^
 6TFSTZP@XBLBDJSDVMBSDPNNPOKTTSD CKT

   
   
   
   BGPP 
7. #BCFM dDJSDVMBSCBCFM
   OPEF
   MJCJOEFYKT
 B
 \
   GPP
   <'VODUJPO>
   ^
 C
 \^
 6TFSTZP@XBLBDJSDVMBSCBCFMMJCCKT

   
   
   
   BGPP 
8. #BCFM FT VUJMKT

   
   BSSBZGPS&BDI GVODUJPO WBM
   JEY
   \

   
   
   
   
   
   
   
   ?
 3BOHF&SSPS
   .BYJNVN
   DBMM
   TUBDL
   TJ[F
   FYDFFEFE

   
   
   
   BU
   "SSBZGPS&BDI
   OBUJWF 

   
   
   
   BU
   BSSBZ5P)BTI
   VUJMKT 

   
   
   
   BU
   GPSNBU7BMVF
   VUJMKT 

   
   
   
   BU
   GPSNBU1SPQFSUZ
   VUJMKT 

   
   
   
   BU
   VUJMKT

   
   
   
   BU
   "SSBZNBQ
   OBUJWF
   ʁʁʁʁʁ
9. 8FCQBDL dDJSDVMBSXFCQBDL
   OPEF
   MJCJOEFYKT
 B
 \
   GPP
   <'VODUJPO>
   ^
 C
 \^
 6TFSTZP@XBLBDJSDVMBSXFCQBDLMJC JOEFYKT

   
   
   
   BGPP 
10. SFRVJSFͷڍಈ w ແݶϧʔϓΛආ͚ΔͨΊɺBKT͕FYQPSUͨ͠Φϒ δΣΫτͷίϐʔ͕CKTʹఏڙ͞ΕΔ
    w ஫ҙͱͯ͠͸ɺBKT͕FYQPSUͨ͠ΦϒδΣΫτ͸ ʮະ׬ྃʯͰ͋Δͱ͍͏͜ͱ
11. ͭ·Γ͜͏͢Δ SFRVJSFΛ஗ԆॲཧͰ͖ΔΑ͏ʹ͓ͯ͘͠ ʢQSPUPUZQFͷϝιου಺ͰSFRVJSF͢ΔͳͲʣ
    BQSPUPUZQFGVODUJPO$BMMFE-BUFS
    
    GVODUJPO
    \

    
    
    
    WBS
    C
    
    SFRVJSF bCKT 

    
    
    
    CGPP 
 ^
12. ͋Δ͍͸ ґଘ͍ͯ͠ΔίϯϙʔωϯτΛґଘઌʹ౉ͤΔΑ͏ ʹ͢Δʢ%FQFOEFODZ
    *OKFDUJPOʣ
    
    BKT
 WBS
    B
    
    GVODUJPO C
    \
    

    
    UIJTC
    
    C
 ^
    
    CKT
 WBS
    B
    
    SFRVJSF bBKT C 
13. ͋Δ͍͸ άϩʔόϧʹࢀরͰ͖ΔΦϒδΣΫτΛ࡞ͬͯ ͦ͜ʹSFRVJSFͨ͠ΦϒδΣΫτΛอଘ͢Δ
14. GSFFFͰ͸ɾɾ 
    BWPJE
    XFCQBDL
    DJSDVMBS
    EFQFOEFODZ
 GSFFF(-0#"-$0.10/&/54
    
    \

    
    "
    $PNQPOFOU" 

    
    #
    $PNQPOFOU#
 ^
    WBS
    B
    
    OFX
    GSFFF(-0#"-$0.10/&/54<b"`>
 WBS
    C
    
    OFX
    GSFFF(-0#"-$0.10/&/54<b#`>
 ͜Ε͕ݱ࣮
    
15. ·ͱΊΔͱ w ͦΜͳίʔυ͸ͪΌΜͱϨϏϡʔͯ͠๷͗·͠ΐ ͏
    w #BCFM &4 ͸॥؀ࢀর͢Δͱϒϥ΢β͕Ϋ ϥογϡ͢ΔͷͰΘ͔Γ΍ͯ͘͢ศར
    w ͦΕҎ֎͸ۭΦϒδΣΫτ͕ฦͬͯΤϥʔʹͳ Δ͚ͩͳͷͰΘ͔ΓͮΒͯ͘ෆศʢ͕ͬͪ͜ਖ਼ ͍͠ڍಈʣ