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Flux/ReduxͬͯԿʁ ࡶʹ࡞ͬͯΈΑ͏ erukiti
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erukiti (͑Δ͖ͪ) • ES2016େ͖ (ES5ҎલΨϯແࢹελΠϧ) • ͍ͨͩ·ٳཆத • Switchങ͍·ͨ͠ (θϧμ125࣌ؒҎ্ɺϚϦ ΦΧʔτ15࣌ؒҎ্ϓϨΠ)
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ٕज़ॻయ2Ͱຊͩ͠·ͨ͠ • ٕज़ॻయ2࠷ߴͰͨ͠ɻ • Impress R&D͞·ͰۀԽ ͷ࡞ۀ͕ਐߦதͰ͢ɻ ͷਐḿχϟΦεͰ͢ɻ https://tk-rabbit-house.booth.pm/items/489874
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ࠓͷ༰ • Reactʹ͖ͷͷFlux/ReduxͱԿ͔ • FluxΛ؆୯ʹ࡞Δ
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FluxReduxͬͯԿʁ
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FluxσβΠϯύλʔϯ • σʔλϑϩʔΛҰํ௨ߦʹ͢Δͱ͍͏σβΠ ϯύλʔϯ • Facebook͕ࣾಉ໊͡લͷϥΠϒϥϦ࡞ͬͯΔ • ObserverύλʔϯͱCommandύλʔϯͷ Έ߹Θͤ ฆΒΘ͍͠
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͜ΜͳਤΛݟͨ͜ͱ͋Γ·͔͢ʁ Action Dispatcher Store View Action
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ActionΛ͛Δ(dispatch͢Δ)
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ঢ়ଶཧStoreͷ͠͝ͱ • StoreΞϓϦͷঢ়ଶ(State)Λ࣋ͭ • ͛ΒΕͨActionΛreducerͰঢ়ଶΛߋ৽ • ߋ৽ͨ͠ΒViewʹ௨Λඈ͢
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Viewγϯϓϧʹ • Store͔Βͷߋ৽௨Ͱඳը (Observer) • Ϣʔβʔ͔ΒͷೖྗActionΛdispatch͢Δ • ࣮ViewReactҎ֎ͰOK
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͓͞Β͍ Action Dispatcher Store View Action
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Կ͕͏Ε͍͠ͷʁ • σʔλͷྲྀΕ͕୯७Խ͢Δ • Λ໌֬ʹ͚ΒΕΔ (༨͕͋Δ) • ͦΕΒʹΑͬͯૄ݁߹ʹͰ͖Δ
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Redux? Action Store View Action
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ReduxͱFluxͷҧ͍ • FluxͰDispatcherγϯάϧτϯͰStore ෳ࣋ͯΔ • ͦΕͳΒStoreΛγϯάϧτϯʹ͢Ε Dispatcher͍Βͳ͍ࢠͳͷͰʁ • ͱ͍͏ׂΓΓΛ࣮͕ͨ͠Redux
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FluxΛ࡞ͬͯΈΔ
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ϕʔεͱͳΔReact Component
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Storeͷׂ • ঢ়ଶͷอ࣋ͱมߋ • มߋͨ͠Β௨Λඈ͢
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reducerϏδωεϩδοΫ • reducerActionΛݩʹStateΛมߋ͢Δํ๏ ͚ͩΛهͨ͠ͷ • stateʹॳظΛೖΕͯΔͷReduxͷΓํ
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React ComponentΛมߋ͢Δ
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·ͩsetState͕ͬͯΔ݅ • Store࡞ͬͯdispatch࣮͚ͨ͠Ͳɺ·ͩ setState͕ͬͯ͠·͍ͬͯΔɻ • Ͳ͏ͤFluxಋೖ͢ΔΜ͔ͩΒprops͚͍ͩͨ ͍ • Ͳ͏͢ΕpropsΛߋ৽(?)Ͱ͖Δͷ͔ʁ
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propsΛߋ৽(?)͢Δํ๏ 1. react-domͷrenderΛ໌ࣔతʹୟ͘ 2. ରͷComponentΛߋ৽͢ΔͨΊͷϥο ύʔΛ࡞Δ (react-reduxํࣜ) ΄͔ʹΓํ͋Δ͔ʁ
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Θʔ͍ɺͨʔͷ͠ʔ
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՝ • ࡶʹ࡞ͬͨͭͳͷͰɺ͋ͱͪΐͬͱΈ ΛՃ͑ͳ͍ͱϥΠϒϥϦԽͰ͖ͳ͍ɻ • ReduxͰͦ͏͚ͩͲɺඇಉظॲཧΛͲ͜ʹ ஔ͘ͷʁ
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·ͱΊ • Modern JavaScript ͍ͨͩ·boothͰൃചதͰ ͢ɻۀ൛͕ਐߦதͰ͢ɻ • FluxΞϓϦΛγϯϓϧʹ͢ΔͨΊͷσβΠϯ ύλʔϯ (ͳͷͰɺReactҎ֎ʹ͑Δ) • Flux؆୯ʹ࡞ΕΔ https://tk-rabbit-house.booth.pm/items/489874
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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ