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React + Valtio

Avatar for @YutamaKotaro @YutamaKotaro
October 03, 2021
Programming
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React + Valtio

At RN LT
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@YutamaKotaro

October 03, 2021
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Transcript

  1. 3FBDU 7BMUJP !:VUBNB,PUBSP

  2. 7VFͷੈքʹߦ͖ͬͯ·ͨ͠ʂ ͍͍ͳ͊ɾɾͱࢥ͍ͭͭɺ3FBDUͷྑ͞Λ࠶ೝ ࣝ͢ΔʹࢸΓɺWBMUJPಋೖΛܾΊͨͷͰฉ͍ͯ͘ ͍ͩ͞ɻ

  3. 7VFQPJOUGSPNSFBDUVTFS ͱʹ͔͘؆ܿʹ͔͚Δ఺͕ඇৗʹΑ͍ɻ 3FBDU 7VF

  4. 7VFQPJOUGSPNSFBDUVTFS ͱʹ͔͘؆ܿʹ͔͚Δ఺͕ඇৗʹΑ͍ɻ 3FBDU 7VF

  5. 7VFQPJOUGSPNSFBDUVTFS ͱʹ͔͘؆ܿʹ͔͚Δ఺͕ඇৗʹΑ͍ɻ 3FBDU 7VF

  6. 7VFQPJOUGSPNSFBDUVTFS + 5 49͕࠷ߴͳΜͰɾɾɾɻͱ͍͏ҙݟ͕ࢄݟ 7VF 1SPQTͰϋϯυ ϥΛ౉͢ܗࣜɻ

  7. 7VFQPJOUGSPNSFBDUVTFS ݺͼग़͠ݩͰఆٛ΋ Մೳɻ + 5 49͕࠷ߴͳΜͰɾɾɾɻͱ͍͏ҙݟ͕ࢄݟ

  8. 7VFQPJOUGSPNSFBDUVTFS ͱࢸͬͯී௨ʹ࢖͏͜ͱ͕Ͱ͖·͢ɻ ͦͷଞɺ$VTUPNIPPLT΍DPOUFYU"1* ૬౰ͳ΋ͷ΋͋ͬͨΓɾɾɾɾ ͱΓΘ͚ศརͩͬͨͷ͕ɾɾɾ

  9. 3FBDUJWF ͱΓΘ͚ศརʹײͨ͡ͷ͸SFBDUJWF ͱΓΘ͚ศརʹײͨ͡ͷ ͸SFBDUJWF

  10. 7VFQPJOUGSPNSFBDUVTFS ඇৗʹ༏Εͨػೳ͕ͨ͘͞Μ͋ΔΜͰ͕͢ɾɾ Ұ෦ͷػೳ͸+49Ͱ͸࢖͑ͳ͍ͷͰɺ݁ہ͸ 
 4'$ʢ4JOHMF'JMF$PNQPOFOU͍ΘΏΔ7VFه ๏ ʹؼண͠·ͨ͠ʢ๻͸ɻɻɻҰ෦͚ͩKTYΛ࢖͏ ͷ͸͋Γͩͱࢥ͍·͢ɾɾʣɻ

  11. ΍ͬͺ+49͍͍ͬ͢ΑͶ Ͱ΋΍ͬͺ+49͍͍ͬ͢ΑͶɻγϯϓϧͰہॴతͳ ར༻΋Ͱ͖ɺίϯϙʔωϯτ࡞੒ͷ೉қ౓͕ͱͯ΋ Լ͕Γ·͢ɻ ͦͯ͠ɺԿΑΓࢥͬͨͷ͸ɺ 
 ɹɹʰ؆୯ʹॻ͚Δʱʰγϯϓϧʹॻ͚Δʱ 
 ɹɹɹɹɹɹɹɹɹɹɹɹɹΛཱ͍྆ͨ͠ͱʂʂ

  12. ͜ΕΛ+49ΰϦΰϦ؀ڥͰ͔͖͍ͨ +49ΰϦΰϦ؀ڥɺͭ·Γ3FBDUͳΜͰ͕͢ɾɾ $POUFYU"1*Ͱશମ؅ཧ͢Δͷ͸ͪΐͬͱΊΜͲ͘ ͍͞͠ɻɻɻ 3FEVY΍3FDPJMΑΓ΋΋ͬͱ͓खܰʹࣗ༝ʹָ͠ ͍ͨɻɻɻ

  13. ӡ໋ͷग़ձ͍ʂ ୳ͯ͠Έͯͳ͔ͬͨΒ࡞Ζ͏ͱࢥͬͯͨΒɾɾɾ 7BMUJPʹग़ձ͍·ͨ͠ʂʂ ͱͯ΋ૉ੖Β͘͠ײँײܹͰͨ͠ɻ ͱ͍͏͜ͱͰ7BMUJP঺հɻ ࡞ऀ͸!EBJTI͞Μ

  14. 7BMUJP 1SPYZΛ׆༻ͨ͠ɺͱʹ͔͘ 
 ɹɹγϯϓϧͳεςʔτϚωδϝϯτϥΠϒϥϦͰ͢ʂ 1SPYZΛ࢖͍ͬͯΔͱ͍͏͜ͱ͸ɻɻɻɻ 
 ɹɹɹɹɹͦ͏ɺϦΞΫςΟϒͳॻ͖ํ͕Ͱ͖ΔͷͰ͢ɻ

  15. 7BMUJP ͜ΕʹΑͬͯɺ͋ͱ͸Ϧ ΞΫςΟϒʹίʔυΛॻ ͚ͩ͘ɾɾʂʂ ೉͍͜͠ͱ͸Կ΋ͳ͓͘ ޷͖ʹࣗ༝ʹίʔυΛॻ ͚ͩ͘ɻ

  16. 7BMUJPGPS"DUJPO "DUJPO૬౰ͷ΋ͷ͸ ؔ਺Λఆٛ͢Δ͚ͩ TUBUF΁ͷΞΫηε ͳͲ͸ఆٛͨ͠΋ͷ ΛಡΈࠐΉ͚ͩͰ 0,ɻ

  17. 7BMUJPTVCTDSJCF Α΋΍3FBDUʹͱͲ·Β ͳ͍Ͱ͕͢ɾɾɾ αϒεΫϥΠϒ΋؆୯ʹ Ͱ͖·͢ɻ

  18. 7BMUJPDPNQVUFE1SPQFSUJFT ࢉज़ϓϩύςΟͷఆٛ΋ Մೳɻ ʢ"DUJPOΛTUBUFʹؚ ΊΔ͜ͱ΋ՄೳͰ͢ʣ

  19. 7BMUJPBSSBZ ࢸͬͯී௨ʹ"SSBZͷૢ࡞ ΋ߦ͑ΔͷͰɺؾʹ͢Δ͜ ͱ͸ຊ౰ʹগͳ͍ɻ ಺෦ͰύϑΥʔϚϯε;͘ ΊͪΌΜͱͨ͠ൺֱΛߦͬ ͯ͘Ε͍ͯΔɻ

  20. 7BMUJPBSHVNFOUFEVTF4UBUF VTF4UBUFΛ֦ு͢ Δ͜ͱ΋Ͱ͖ͨʂ ͓΄ʔʂʂ ʢVTF3FBDUJWF͸উख ʹ࡞ͬͨ΋ͷͰ͢ʣ

  21. ·ͱΊ γϯϓϧʹॻ͚Δʴ؆ૉʹॻ͚Δɹ 3FBDUͷྑ͞Λ7VFͷྑ͞Λମײ͠ɺ ͱ͍͏ਤࣜΛٻΊͨɻ݁Ռ7BMUJPʹग़ձͬͨɻ ݁Ռɺ࠷ߴͰͨ͠ʂʂɹ

  22. ݒ೦ ͱ͸͍͑ɾɾɾ γϯϓϧ͗͢ΔͨΊɺνʔϜ։ൃʹ͓͍ͯ͸  ௚઀TUBUFΛॻ͖׵͑Δ TUBUFΫϥοΧʔ   ॻ͖ํ͕·ͱ·Βͳ͍ʢDPEFεϓϨομʔʣ ͱ͍ͬͨײ͡ʹXBZʹ৐Εͳ͍ͷͰɺ͔ͬ͠Γͱํ

    ਑Λߟ͑ڞ༗͍ͯ͘͠ඞཁ͕͋Δؾ͕͢Δɻ

  23. ͱ͸͍͑ɺ͕͔ͩ͠͠ ࣗ༝౓͕ݶΓͳ͘ߴ͍ͨΊ  ࣗ෼Ͱ࡞Γ্ָ͍͛ͯ͘͠Έ  ੈք؍ͷ࣮ݱ  ΧελϚΠζੑͷ͔ͨ͞ ͱ͍ͬͨϚΠϯΫϥϑτతͳָ͠͞͸ਵҰɻ

  24. ༨ஊ 7BOJMB+4Ͱಈ͘͜ͱ΋Ұͭͷྑ͔͞΋ QSPYZTUBUFΛ'& #&Ͱ 
 ɹɹɹɹɹڞ༗͢ΔͨΊʹ࢖͏ͷ΋͋Γ͔΋ɻɻɻ

  25. ݁࿦ʢݸਓతͳײ૝ʣ  ͜Ε͸ɺͱͯ΋͍͍΋ͷͩɻ  εΩϧϨϕϧͷ෯޿͍νʔϜͩͱΉ͔ͳ͍͔΋  ౷੍ͷͱΕͨνʔϜ͔ݸਓͩͱ޲͘  ͱʹ͔͘γϯϓϧͳͷͰϙςϯγϟϧ͸ߴ͍͕ɺ ͦΕΛҾ͖ग़ͤΔͷ͔͸։ൃऀ࣍ୈɻ