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MiddlewareΛ͏Β͢ΔͨΊʹ εϩοτŵŕţŎŖƃॻ͍ͨ We Are JavaScripters! @9th

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ෲےϩʔϥʔͷྗΛ৴͡Ζ !NVTJHO גࣜձࣾνʔϜεϐϦοτےτϨͱྉཧΛ୲౰
 ݄ҰͰ̏LHʙ೑մΛমͬͯ·͢
 
 ͓·͚ͰϑϩϯτΤϯυΛগʑ

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? ReduxɺͲ͜ʹϩδοΫΛॻ͘ʁ

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View Provider Store State Reducer Middle ware User Actions

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View Provider Store State Reducer Middle ware User Actions ίίʁ ίίʁ ίίʁ

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! Middleware͸Ͳ͏ʁ

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View Provider Store State Reducer Middle ware User Actions ίί

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Pros. Dispatch 1 ࣗ༝ʹActionͷ ϑϩʔ੍͕ޚՄೳ State 2 ඞཁͳState͸ Middlewareࣗମ͕ ஌͍ͬͯΔ Action 3 ͋ΒΏΔActionʹ հೖͰ͖Δ

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νʔϜʮϝϦοτ͕૝૾͔ͭΜʯ ouch!

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࣮ྫΛަ͑ͳ͚Ε͹఻ΘΒͳ͍ ͦͦ͜͜ͷن໛Λ࡞Βͳ͚Ε͹Θ͔Βͳ͍

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ΞϓϦॻ͍ͪΌ͑

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BINGO༻εϩοτŵŕţŎŖƃ ˞ձࣾͷࣾ಺ΠϕϯτͰ࣮ઓ౤ೖ https://github.com/8845musign/bingo-2017

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DEMO

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? Redux͸ԿΛ΍ͬͯΔͷ͔

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ήʔϜશମͷ੍ޚ

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εϩοτΞχϝͷ੍ޚ

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ࢴਧઇͷ੍ޚ

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? Middleware͸Ͳ͏ͳͬͯΔ͔

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நબ Ϣʔβͷૢ࡞ʹΑΓ Ұͭͷ"DUJPO͕౤͛ΒΕΔ

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நબ ࢴਧઇ εϩοτ։࢝ εϩοτऴྃ "DUJPO͸.JEEMFXBSF ʹΑͬͯෳ਺ͷ"DUJPO ʹ෼ղ͞ΕΔ Ξχϝʔγϣϯϧʔϓ
 ىಈʢεϩοτʣ Ξχϝʔγϣϯϧʔϓ
 ىಈʢࢴਧઇʣ εϩοτͷ։࢝ εϩοτΞχϝ εϩοτΞχϝ εϩοτΞχϝ ࢴਧઇΞχϝ ऴྃ൑ఆ

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நબ ࢴਧઇ εϩοτ։࢝ εϩοτऴྃ .JEEMFXBSFͰ͸ ඞཁͳܭࢉ͕ ߦΘΕΔ Ϧʔϧͷֆฑͷੜ੒ ΞλϦͷநબ εϩοτΞχϝ εϩοτΞχϝ εϩοτΞχϝ ࢴਧઇΞχϝ ࠲ඪܭࢉ ࠲ඪܭࢉ

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"DUJPOͷൃߦ ؆ུԽͯ͠ΈΔͱ 3FEVDFSʹΑΔॲཧ "DUJPOͷൃߦ .JEEMFXBSF ܭࢉ ʜ

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"DUJPOͷൃߦ "DUJPOͱ3FEVDFS ͸͓ͦΖ͘͠ γϯϓϧʹͳΔ 3FEVDFSʹΑΔॲཧ "DUJPOͷൃߦ .JEEMFXBSF ܭࢉ ʜ தؒॲཧ

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"DUJPOͷൃߦ "DUJPOͱ3FEVDFS ͸͓ͦΖ͘͠ γϯϓϧʹͳΔ 3FEVDFSʹΑΔॲཧ "DUJPOͷൃߦ .JEEMFXBSF ܭࢉ ʜ T தؒॲཧ Πϕϯτͷൃߦ εςʔτͷ؅ཧ

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"DUJPOͷൃߦ .JEEMXBSF͸ Կʹ൓Ԡͯ͠ ԿʹॲཧΛܨ͙͔ ͚ͩΛߟ͑Ε͹ྑ͍ 3FEVDFSʹΑΔॲཧ "DUJPOͷൃߦ .JEEMFXBSF ܭࢉ ʜ

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੹຿͕໌֬ʹͳΓ෼ׂͰ͖ͨ

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ٯʹॲཧͷͭͳ͕Γͷ೺Ѳ͕େม

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ٯʹॲཧͷͭͳ͕Γͷ೺Ѳ͕େม %6$,4ύλʔϯͰ੔ཧ

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MiddlewareɺΞϦ͔΋

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Έͳ͞Μ΋.JEEMFXBSFΛ ͏Βͯ͠Έͯ͸͍͔͕ʁ

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એ఻ ͝͸Μ৯΂ͳ͕ΒϑϩϯτΤϯυΛ ޠΒ͏ձΛ೔ʹߦ͍·͢ɻ IUUQTDPOOQBTTDPNFWFOU

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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠