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RxJSͰۭ࣌Λ੍ͨ͠ M3, Inc. Jun Tomioka
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ࣗݾհ Ԭ ७ (@jooohn) - ΤϜεϦʔגࣜձࣾ - ΤϯδχΞϦϯάG - ৽نϓϩδΣΫτx2 (ॾࣄʹΑΓඇެ։த) - ՇͷാͱؒΛͱͬͯڮຊ͔ Β̎h௨ۈʢڠٞதʣ
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RxJSͰۭ࣌Λ੍ͨ͠
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ॾࣄʹΑΓ αʔϏε༰Λݴ͑ͳ͍ͷͰ ԾͷαʔϏεͰઆ໌͠·͢
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https://github.com/jooohn/rx-angular-example
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ۭ࣌Λ੍͢Δલ https://goo.gl/1wlYCu
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ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή • Load Moreͷॱ൪ • લճͷݕࡧ݁ՌΫϦΞ • ݹ͍݅ͷݕࡧ݁ՌΛදࣔʂʂ
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ʰjʱͰݕࡧ ʰjaʱͰݕࡧ ʰjaʱͷ݁Ռ ʰjʱͷ݁Ռ ۭ࣌ͷΈ
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ۭ࣌ͷΈ
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ͭΒ͍
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ͦ͜Ͱ
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An API for asynchronous programming with observable streams ࠓճॏཁͳ
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Αͦ͞͏
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ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή
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ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή
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combineLatest
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ݕࡧΩʔϫʔυͷετϦʔϜ େͷετϦʔϜ “” “j” “ja” Asia Europe combineLatest “” / Asia “j” / Asia “ja” / Asia “ja” / Europe ݕࡧ݅ͷετϦʔϜ
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ݕࡧ݅ͷ ετϦʔϜΛ ҰຊԽ
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debounce
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debounce debounce(300) ݕࡧ݅ͷετϦʔϜ 300msҎʹଞͷΠϕϯτ͕͋ΔͷΛഉআ
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debounce debounce(300) ݕࡧ݅ͷετϦʔϜ ࿈ଧɾΩʔλΠϓͰͷແବͳϦΫΤετΛݮʂ
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ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή
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ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή
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flatMapLatest
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͜Ε͚ͩ
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flatMap
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flatMapLatest
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flatMapLatest ݅A ݅B ݅C ݅D flatMapLatest(݅ => ݁ՌͷετϦʔϜ) ݁ՌA ݁ՌB ݁ՌC ݁ՌD
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flatMapLatest ݅A ݅B ݅C ݅D flatMapLatest(݅ => ݁ՌͷετϦʔϜ) ݁ՌA ݁ՌB ݁ՌC ݁ՌD ۭ͕࣌·ͳ͍
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ۭ͕࣌·ͳ͍ʂ
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flatMapLatest
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͜Ε͚ͩͰ
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ۭ͕࣌·ͳ͍ʂ
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ۭ࣌Λ੍͍ͤͯͳ͍ • Ϣʔβʔ͕ૢ࡞͢ΔɺͨΒୟ͔ΕΔAPIίʔϧ • λΠϛϯάʹΑۭ͕ͬͯ࣌Ή
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https://goo.gl/7phFXe
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ۭ࣌Λ੍ͨ͠ʂ