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5分でわかる React "Suspense"
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Kento Moriwaki
March 20, 2018
Programming
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5分でわかる React "Suspense"
Roppongi.js #1
Kento Moriwaki
March 20, 2018
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Transcript
©2018 Wantedly, Inc. 2018.3.20 - ͰΘ͔Δ 3FBDU4VTQFOTF 3PQQPOHJKT ,FOUP.PSJXBLJ @kento_trans_lu
©2018 Wantedly, Inc. ͜ͱͷ࢝·Γɺ͋ΔπΠʔτͩͬͨɻ Reactͷ։ൃऀ @dan_abaramov
©2018 Wantedly, Inc. ଓ͚ͯɺ
©2018 Wantedly, Inc. +4$POG*DFMBOEͰൃද͞Εͨͷ͕ɺ ͦͷπΠʔτ͔Βिؒޙɻ https://reactjs.org/blog/2018/03/01/sneak-peek-beyond-react-16.html
©2018 Wantedly, Inc. 3FBDU4VTQFOTF 5JNF4MJDJOH
©2018 Wantedly, Inc. 3FBDU4VTQFOTF 5JNF4MJDJOH ࠓͪ͜ΒΛগ͚ͩ͠հ ͜Ε͔Β͢͜ͱɺ·ͩϦϦʔε͞Ε͍ͯͳ͍͠ɺ ֬ఆͨ͠ใͰͳ͍͜ͱΛɺྃ͝ঝ͍ͩ͘͞
©2018 Wantedly, Inc. w ඇಉظ௨৴ͳͲͷະܾఆͳঢ়ଶΛѻ͏ͨΊͷ֓೦ w ༷ʑͳωοτڥͷϢʔβʔʹૉΒ͍͠69Λఏ ڙ͢ΔͨΊʹ࡞ΒΕͨ w 4VTQFOTFͱ͍͏໊લͷԿ͔͕ϦϦʔε͞ΕΔΘ
͚Ͱͳ͍ React Suspenseͱɺ
©2018 Wantedly, Inc. ·ͣΑ͋͘Δඇಉظ௨৴͔Β
©2018 Wantedly, Inc. Suspense͕͋Δͱ͖
©2018 Wantedly, Inc. simple-cache-provider? simple-cache-providerΛΘͳ͍ྫ
©2018 Wantedly, Inc. w SFOEFSதʹ1SPNJTFΛ͛Δ͜ͱͰɺ·ͩදࣔ ͷ͕ྃͰ͖ͳ͍͜ͱΛڭ͑Δɻ w ͦͷ1SPNJTF͕SFTPMWF͞ΕͨλΠϛϯάͰɺ ͏ҰSFOEFS͕Δ PromiseΛthrowͨ͠!?
©2018 Wantedly, Inc. React.Timeout PromiseΛthrow͢ΔComponentΛϥοϓͯ͠͏ɻ Ұఆ࣌ؒҎ্ͨͬͨΒSpinnerΛදࣔͯ͠ΈΔɻ
©2018 Wantedly, Inc. w "1*ϦΫΤετΛαΫαΫ͔͚Δ w %ZOBNJDJNQPSUαΫαΫ͔͚Δ w ඇಉظ௨৴Λ͢Δίϯϙʔωϯτɺ4UBUFMFTT GVODUJPOBMDPNQPOFOUͰ͔͚Δ
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