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Ready for React in 2019
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koba04
December 08, 2018
Programming
2
1.7k
Ready for React in 2019
https://frontend-conf.fukuoka.jp/
koba04
December 08, 2018
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Transcript
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"HFOEB w 'VODUJPO$PNQPOFOU w 69GPSBMMVTFST w 'VUVSF1MBOT w -JWF$PEJOH
'VODUJPO$PNQPOFOU
3FBDUNFNP w 0QUJNJ[F'VODUJPO$PNQPOFOU w 1VSF$PNQPOFOUGPS'VODUJPO$PNQPOFOU
)PPLT Custom Hook
w )PPLTNVTUCFDBMMFEJOUIFTBNFPSEFS )PPLT Hook Hook next Fiber memoizedState
"WPJEl8SBQQFSIFMMz https://www.youtube.com/watch?v=dpw9EHDh2bM
+BWB4DSJQU`T$MBTTJTIBSE w 'PS w )BSEUPPQUJNJ[F w 'PS w AUIJTAPG+BWB4DSJQUIBTNBOZQJUGBMMT
.PSF%FUBJMTʜ https://blog.cybozu.io/entry/2018/11/02/113000
69GPSBMM6TFST
<App> <Header /> <Suspense> <Main> <User> <Avatar /> <Link />
</User> </Main> </Suspense> </App> 4VTQFOTF 1. Throw a Promise 2. Wait to resolve the Promise 3. Resume the rendering
4VTQFOTF Throw a Promise if the resource doesn’t have a
cache data
3FBDUMB[ZXJUI 4VTQFOTF w $PEF4QMJUUJOHXJUI%ZOBNJD*NQPSU 4UBHF
5JNFTMJDJOH User Blocking Normal Priority
5JNFTMJDJOH w 8PSLJOHPOTUBOEBSEJ[JOHUIFTDIFEVMJOH NFDIBOJTNXJUIB$ISPNF5FBN w IUUQTHJUIVCDPNTQBOJDLFSNBJOUISFBE TDIFEVMJOH w 8IBUBCPVU8FC8PSLFSTʁ
/FX1SPpMFS
69GPSBMMVTFST w 4VTQFOTFMB[Z w 'PSVTFSTJOIJHITQFFEOFUXPSLBOETMPX OFUXPSL w 5JNFTMJDJOHMB[Z w 'PSVTFSTVTJOHIJHIQPXFSEFWJDFTBOEMPX
QPXFSEFWJDFT w 1SFMPBE1SFSFOEFS
https://medium.com/@addyosmani/the-cost-of-javascript-in-2018-7d8950fbb5d4
'VUVSF
3FMFBTF1MBOTGPS4UBCMF w 3FBDUMB[ZXJUI4VTQFOTF w 3FBDU)PPLT 2 w $PODVSSFOU.PEF 2
w %BUBGFUDIJOHXJUI4VTQFOTF NJE w 4FSWFS3FOEFSFSGPS4VTQFOTF w .PEFSOJ[JOH3FBDU%0. w Now
1SFQBSFGPSUIFGVUVSF w :PVDBOVTFOFXGFBUVSFTJODSFNFOUBMMZXJUIPVU CSFBLJOHDIBOHFT w 6TF3FBDU4USJDU.PEF$PNQPOFOU w 'JYXBSOJOHTJO4USJDU.PEFʜ4USJDU.PEF
-JWF$PEJOH https://github.com/koba04/react-hacker-news-stories
5IBOLZPV speakerdeck.com/koba04