BdashにおけるFlux設計

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Bdashʹ͓͚ΔFluxઃܭ

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@hokaccha

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Bdash • Electron੡ͷσεΫτοϓΞϓϦέʔγϣϯ • BIπʔϧͬΆ͍΋ͷ • View͸શͯReact

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BdashͷFluxઃܭʹ͍ͭͯ

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• FluxϑϨʔϜϫʔΫະ࢖༻ • ࠷దͳઃܭΛࣗ෼Ͱߟ͑ͳ͕Β࣮૷͍ͯͬͨ͠

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Domain Logicͷݺͼग़͠

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Domain Logic • ඳըʹؔ͢Δ͜ͱҎ֎ͷશͯͷॲཧ • Databaseͱͷ΍ΓऔΓͱ͔ • APIݺͼग़͠ͱ͔ • ઃఆͷ؅ཧͱ͔

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Ͳ͜ʹ͋Δ΂͖͔ • Store? • Actino Creator? • Middleware?

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import { dispatch } from './QueryStore'; import Database from '../lib/Database'; const QueryAction = {}; QueryAction.addNewQuery = params => { Database.Query.create(params).then(query => { dispatch('addNewQuery', { query }); }); }; Action Creator 㲗 Domain Logic

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• Domain LogicΛFluxͷϑϩʔ͔Β෼཭͢Δ • Action Creator͔Β͸ݺͼग़͚ͩ͢ • Store͸Stateͷߋ৽͚ͩʹ஫ྗ͢Δ

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• StoreͱDomain Logic͸ςετ͠΍͘͢ͳΔ • Action Creator͕ςετͮ͠Β͍ • શ͕ͯPure functionͱ͍͏ͷ͸ݬ૝ͳͷͰఘΊΔ

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Storeͷ෼ׂ

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ͭ·ΓStateΛͲ͏෼ׂ͢Δ͔

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facebook/ﬂux • Ϧιʔεʁ͝ͱʹStoreΛ෼ׂ͢Δ • DispatcherʹΑΔަ௨੔ཧɺwaitForΛ࢖ͬͨ ґଘͷղܾ͕ඞཁ

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Redux • StoreΛ෼ׂ͠ͳ͍ʢSingle Stateʣ • StateΛߋ৽͢ΔॲཧʢreducerʣΛ෼ׂ͢Δ • waitFor΍Dispatcher͕ෆཁ • State͕ڊେʹͳΔ

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Bdash • Page୯ҐͰ෼͚ͯΈͨ • Page͝ͱʹಠཱͨ͠StoreΛ࣋ͭ • Page == Container Component

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• Storeಉ࢜ͷґଘ͕ͳ͍ • waitFor΋Dispatcher΋ෆཁ • StateΛΘ͔Γ΍ཻ͍͢౓Ͱ෼ׂͰ͖Δ Good

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• PageΛ·͍ͨͩσʔλͷڞ༗͕໘౗ • ෳ਺ͷPageͰಉ͡σʔλΛ࣋ͭ͜ͱ΋͋Δͷ Ͱແବ͕͋Δ Bad

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PageؒͰͷσʔλڞ༗ • PageؒͰڞ༗͢Δσʔλ͸Domain Logic૚ʹετΞ͢Δ • Page੾Γସ͑࣌ʹຖճDomain Logic૚͔ΒऔΓ௚͢ • αʔόʔαΠυͷ։ൃͱ͍ۙײ֮

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൚༻తͳઃܭͰ͸ͳ͍ ⚠

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ΞϓϦέʔγϣϯʹ  దͨ͠ઃܭΛɻ

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൓ল఺

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• ଞʹ΋ಠࣗͷઃܭɾ࣮૷͕͍͔ͭ͋͘Δ • ίϯτϦϏϡʔγϣϯͷෑډ͕ߴ͘ͳΔ • Ϩʔϧʹ৐ͬͨ΄͏͕ઃܭࢥ૝Λڞ༗͢Δ  ίετ͕ݮΔ

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