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Takeru Chuganji 2021/10/02 10:10‐10:50 ϝϧΧϦUS͕ϞόΠϧΞϓϦΛ React NativeͰ࡞Γ௚͍ͯ͠Δ࿩ React Native Matsuri 2021

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Takeru Chuganji Software Engineer Mercari, Inc. chuganzy

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Tokyo Japan Palo Alto / Portland / Boston United States

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Tokyo Japan Palo Alto / Portland / Boston United States ϑϧ ϦϞʔτԽ

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$15 $15 $15 $15 $15 $15 $15 $15 $15 $15 $15 $15 What are you looking for? Category Home Chat My Page Sell Search 2014 2017 2017 2018 2021

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$15 $15 $15 $15 $15 $15 $15 $15 $15 $15 $15 $15 What are you looking for? Category Home Chat My Page Sell Search 2014 2017 2017 2018 2021 Objective-C, Swift, Java Swift, Java, Kotlin, React Native

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$15 $15 $15 $15 $15 $15 $15 $15 $15 $15 $15 $15 What are you looking for? Category Home Chat My Page Sell Search 2014 2017 2017 2018 2021 Objective-C, Swift, Java Swift, Java, Kotlin, React Native ৽͍͠ ίʔυϕʔε

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Double 2017.4-7 RewriteϓϩδΣΫτ

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Double 2017.4-7 RewriteϓϩδΣΫτ ϏδωεࢦඪΛ “ഒ”ʹ͢Δ

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Double Rewriteͷഎܠ US൛ϝϧΧϦΛࠜຊ͔Βߟ͑௚͠୹ظؒͰ࣮ݱ͢Δ US։ൃνʔϜͷ೔ຊνʔϜ͔Βͷಠཱ ٕज़ελοΫΛ࡮৽͠DXΛ޲্ͤ͞Δ US։ൃνʔϜͷΧϧνϟʔ࠶ߏஙɹͳͲ

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ϗʔϜ ঎඼ৄࡉ ϓϩϑΟʔϧ ϨϏϡʔ

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Native Native React Native React Native

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Double NativeͱReact NativeͷHybridΞϓϦ Native ϗʔϜ / ݕࡧ / ঎඼ৄࡉ / ग़඼ / ߪೖ / ΢Σϒ / αΠϯΠϯ ͳͲ ϝΠϯ
 ಈత / ύϑΥʔϚϯε React Native ֤छઃఆ / ট଴ / औҾ / Ҿ͖མͱ͠ / ݸਓೝূ ͳͲ αϒ ੩త / ಠཱ

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Double React NativeΛ࠾༻ͨ͠ཧ༝ ୯७ʹNative͚ͩͰ΍Δ ࣌ؒͱ ਓ͕଍Γͳ͔ͬͨ ։ൃظؒ 3ϲ݄ AndroidΤϯδχΞ 4ਓ iOSΤϯδχΞ 4ਓ

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Double React NativeΛ࠾༻ͨ͠ཧ༝ ୯७ʹNative͚ͩͰ΍Δ ࣌ؒͱ ਓ͕଍Γͳ͔ͬͨ ։ൃظؒ 3ϲ݄ AndroidΤϯδχΞ 4ਓ iOSΤϯδχΞ 4ਓ ͦͷଞͷJavaScriptॻ͚Δਓ 4-6ਓ

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Double Ϗδωεͷ੒௕ ϦϒϥϯσΟϯά Χʔτ ਅآೝূ Uberఏܞ഑ૹ ޙ෷͍ܾࡁɹͳͲ ʴ ਺ଟͷABςετ ྲྀ௨૯ֹ

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Double Ϗδωεͷ੒௕ ϦϒϥϯσΟϯά Χʔτ ਅآೝূ Uberఏܞ഑ૹ ޙ෷͍ܾࡁɹͳͲ ʴ ਺ଟͷABςετ ྲྀ௨૯ֹ ଞʹ΋ ΍Γ͍ͨ͜ͱ͕ ࢁ΄Ͳʂ

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Double Ұํ։ൃ໘Ͱ͸… ࠾༻೉ ߴΦϯϘʔσΟϯάίετ ߴίϛϡχέʔγϣϯίετ ߴϝϯςφϯείετ ߴϏϧυ࣌ؒ εϧʔϓοτʢงғؾʣ

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Double Ұํ։ൃ໘Ͱ͸… ࠾༻೉ ߴΦϯϘʔσΟϯάίετ ߴίϛϡχέʔγϣϯίετ ߴϝϯςφϯείετ ߴϏϧυ࣌ؒ εϧʔϓοτʢงғؾʣ Scalabilityʹ ໰୊͋Γ

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Double ঢ়گվળͷͨΊʹ 1ϓϥοτϑΥʔϜͷΈͰͷABςετ ڞ௨ϩδοΫͷNative ModuleԽ Πϯϑϥͷվળ Ϗϧυͷߴ଎Խ

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Double ঢ়گվળͷͨΊʹ React NativeΞϓϦ ʹͨ͠Β͍͍ͷͰ͸ʁ ʢ2019/4ʣ 1ϓϥοτϑΥʔϜͷΈͰͷABςετ ڞ௨ϩδοΫͷNative ModuleԽ Πϯϑϥͷվળ Ϗϧυͷߴ଎Խ

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React NativeΞϓϦԽʹ޲͚ͯ React NativeΞϓϦԽ͢Δํ๏ Refactoring
 طଘΞϓϦͷReact Native཰Λ૿΍͍ͯ͘͠ Rewrite
 ৽نͰΞϓϦΛॻ͖௚͢

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React NativeΞϓϦԽʹ޲͚ͯ Refactoring vs Rewrite ن໛ ϦεΫ ظؒ ෛ୲ ೉қ౓ Refactoring த Rewrite ઈେ

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React NativeΞϓϦԽʹ޲͚ͯ Refactoring vs Rewrite ن໛ ϦεΫ ظؒ ෛ୲ ೉қ౓ Refactoring த খ Rewrite ઈେ େ

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React NativeΞϓϦԽʹ޲͚ͯ Refactoring vs Rewrite ن໛ ϦεΫ ظؒ ෛ୲ ೉қ౓ Refactoring த খ 3೥ʴ Rewrite ઈେ େ 1೥

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React NativeΞϓϦԽʹ޲͚ͯ Refactoring vs Rewrite ن໛ ϦεΫ ظؒ ෛ୲ ೉қ౓ Refactoring த খ 3೥ʴ େ Rewrite ઈେ େ 1೥ த

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React NativeΞϓϦԽʹ޲͚ͯ Refactoring vs Rewrite ن໛ ϦεΫ ظؒ ෛ୲ ೉қ౓ Refactoring த খ 3೥ʴ େ ߴ Rewrite ઈେ େ 1೥ த த

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React NativeΞϓϦԽʹ޲͚ͯ Refactoring vs Rewrite ن໛ ϦεΫ ظؒ ෛ୲ ೉қ౓ Refactoring த খ 3೥ʴ େ ߴ Rewrite ઈେ େ 1೥ த த

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React NativeΞϓϦԽʹ޲͚ͯ Refactoring vs Rewrite ن໛ ϦεΫ ظؒ ෛ୲ ೉қ౓ Refactoring த খ 3೥ʴ େ ߴ Rewrite ઈେ େ 1೥ த த

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React NativeΞϓϦԽʹ޲͚ͯ Refactoring vs Rewrite ن໛ ϦεΫ ظؒ ෛ୲ ೉қ౓ Refactoring த খ 3೥ʴ େ ߴ Rewrite ઈେ େ 1೥ த த React Native ΞϓϦԽࣗମ͕ ΰʔϧͰ͸ͳ͍

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React NativeΞϓϦԽʹ޲͚ͯ ͦ΋ͦ΋Ͱ͖Δͷ͔ʁ ࣮ݧΞϓϦ։ൃ / ٕज़ݕূ React NativeΛ࢖͍ͬͯΔձࣾ΁ͷώϠϦϯά React / Native྆ํͷ๛෋ͳ஌ࣝ ҆શͳϦϦʔεϓϥϯχϯά ଞΫϩεϓϥοτϑΥʔϜٕज़ͱͷൺֱɹͳͲ

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React NativeΞϓϦԽʹ޲͚ͯ Flutterͱͷൺֱ طʹReact Nativeͷ஌͕ࣝ͋Δ JavaScript ύϑΥʔϚϯε΋े෼ʹΑ͘վળͷ༧ఆ͢Β͋Δ WebରԠ

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Denali 2021.4- RewriteϓϩδΣΫτ

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Denali 2021.4- RewriteϓϩδΣΫτ ΞϝϦΧͰ Ұ൪ߴ͍ࢁ

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Denali ϞόΠϧνʔϜ૊৫ମ੍ iOS Android React Native Denali ʢRewriteʣ

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Denali ϞόΠϧνʔϜ૊৫ମ੍ iOS Android React Native Denali ʢRewriteʣ

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Denali ϞόΠϧνʔϜ૊৫ମ੍ iOS Android React Native Denali ʢRewriteʣ …

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Denali ϞόΠϧνʔϜ૊৫ମ੍ iOS Android React Native Denali ʢRewriteʣ … ඞཁʹԠͯ͡ ੵۃతʹ ॿ͚߹͏

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Denali ٕज़ελοΫ TypeScript Expo Redux Toolkit React Navigation fastlane Protocol Buffers Sentry ͳͲ GitHub Actions

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Denali ൓লΛੜ͔ٕͨ͠ज़ํ਑ “؆୯” ͳίʔυΛॻ͘ υΩϡϝϯτΛੵۃతʹΞοϓσʔτ ࣾ಺ษڧձʢDiscussionʣΛຖि։࠵ σβΠϯγεςϜΛશ໘దԠ

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Denali εέʔϧ͍ͯ͠Δ։ൃ ݩWebνʔϜϝϯόʔ ݩAPIνʔϜϝϯόʔ ݱiOS / AndroidνʔϜϝϯόʔ NativeະܦݧΤϯδχΞ࠾༻ ۀ຿ҕୗɹͳͲͷίϯτϦϏϡʔτ εϧʔϓοτʢงғؾʣ

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Denali ϑΣʔζ Phase 1 Phase 2 Phase 3 Phase 4

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Denali ϑΣʔζ Phase 1 Phase 2 Phase 3 Phase 4 ج൫ ओཁը໘ νέοτચ͍ग़͠

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Denali ϑΣʔζ Phase 1 Phase 2 Phase 3 Phase 4 ج൫ ओཁը໘ νέοτચ͍ग़͠ ඞਢػೳͷ׬੒ ࣾ಺ςετ։࢝

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Denali ϑΣʔζ Phase 1 Phase 2 Phase 3 Phase 4 ج൫ ओཁը໘ νέοτચ͍ग़͠ ඞਢػೳͷ׬੒ ࣾ಺ςετ։࢝ αϒͷػೳ ݱߦΞϓϦͱͷࠩ෼ ݱߦ։ൃͷ
 εϩʔμ΢ϯ

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Denali ϑΣʔζ Phase 1 Phase 2 Phase 3 Phase 4 ج൫ ओཁը໘ νέοτચ͍ग़͠ ඞਢػೳͷ׬੒ ࣾ಺ςετ։࢝ αϒͷػೳ ݱߦΞϓϦͱͷࠩ෼ ݱߦ։ൃͷ
 εϩʔμ΢ϯ ϑΣʔζϦϦʔεͷ ։࢝ ෆ۩߹मਖ਼ 100%ϦϦʔε΁ʂ

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Denali ϑΣʔζ Phase 1 Phase 2 Phase 3 Phase 4 ج൫ ओཁը໘ νέοτચ͍ग़͠ ඞਢػೳͷ׬੒ ࣾ಺ςετ։࢝ αϒͷػೳ ݱߦΞϓϦͱͷࠩ෼ ݱߦ։ൃͷ
 εϩʔμ΢ϯ ϑΣʔζϦϦʔεͷ ։࢝ ෆ۩߹मਖ਼ 100%ϦϦʔε΁ʂ

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Denali ϑΣʔζ Phase 1 Phase 2 Phase 3 Phase 4 ج൫ ओཁը໘ νέοτચ͍ग़͠ ඞਢػೳͷ׬੒ ࣾ಺ςετ։࢝ αϒͷػೳ ݱߦΞϓϦͱͷࠩ෼ ݱߦ։ൃͷ
 εϩʔμ΢ϯ ϑΣʔζϦϦʔεͷ ։࢝ ෆ۩߹मਖ਼ 100%ϦϦʔε΁ʂ νέοτ શମͷ60%ۙ͘ ফԽࡁΈ

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2022 AndroidϩʔϧΞ΢τ։࢝༧ఆʂ

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React Nativeޙ ΤϯδχΞ૊৫ͱͯ͠໨ࢦ͢ઌ React NativeίϛϡχςΟ΁ͷߩݙ Ҿ͖ଓ͖ “ෑډ” Λ௿͘͢Δ “Pods”ʢʹখ͍͞νʔϜʣͰ
 ΍Γ͍ͨ͜ͱΛͳΊΒ͔ʹ࣮ߦ͢Δ ΤϯδχΞ΋ੵۃతʹΞΠσΟΞΛग़͢

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React Nativeޙ ΤϯδχΞ૊৫ͱͯ͠໨ࢦ͢ઌ React NativeίϛϡχςΟ΁ͷߩݙ Ҿ͖ଓ͖ “ෑډ” Λ௿͘͢Δ “Pods”ʢʹখ͍͞νʔϜʣͰ
 ΍Γ͍ͨ͜ͱΛͳΊΒ͔ʹ࣮ߦ͢Δ ΤϯδχΞ΋ੵۃతʹΞΠσΟΞΛग़͢ ຖ೔͕ ϋοΧιϯঢ়ଶʹ ͳΔ!?

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શ໘తɾੵۃతʹ࠾༻த

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We are hiring! શΤϯδχΞੵۃ࠾༻த US / JPͱ΋ʹ࠾༻த React Native Engineer iOS Engineer Android Engineer API EngineerɹͳͲͳͲ

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