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ReactHooks_CustomHookAndEncapsulation
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sonatard
July 29, 2019
Programming
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ReactHooks_CustomHookAndEncapsulation
sonatard
July 29, 2019
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Transcript
1 3FBDU)PPLTΧελϜϑοΫͱΧϓηϧԽ 3FBDUKTNFFUVQॳ৺ऀܴ-5ձ !TPOBUBSE
D Technologies ͦͳଠ @sonatard • Linux Server and Network Engineer
# System C • Wireless LAN Module Simulator # Cݴޠ • TCP/IP protocol stack on RTOS • TCP Offload Engine # Go • Google App Engine # TypeScript • React+Redux
• R e a c t H o o k
s ͱ • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 1 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 2 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 3 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 4 • · ͱ Ί
4 3FBDU)PPLT w 3FBDU)PPLTɺ3FBDUͰՃ͞Εͨ৽ػೳɻ w TUBUFͳͲͷ3FBDUͷػೳΛɺΫϥεΛॻ͔ͣʹ͑ΔΑ͏ʹͳΔɻ
5 3FBDU)PPLT͕ఏڙ͢Δؔ w 3FBDU)PPLTɺVTF4UBUFҎ֎ʹVTF&⒎FDUɺVTF$POUFYUͳͲ߹ܭݸͷެ͕ࣜఏڙ ͢Δ͕ؔଘࡏ͢Δɻ w ࠓճVTF4UBUFΛத৺ʹઆ໌͠·͢ɻ
6 ΧελϜϑοΫͱΧϓηϧԽ w ΧελϜϑοΫͱಠࣗͷϑοΫΛ࡞͢Δ͜ͱɻ w ίϯϙʔωϯτ͔ΒϩδοΫΛநग़͢Δ͜ͱͰɺϩδοΫͷ࠶ར༻ੑ্͕͢Δɻ w ঢ়ଶͱ࣮ͷৄࡉΛΧϓηϧԽͰ͖ɺίϯϙʔωϯτʹඞཁͳͱΠϯλʔϑΣʔεͩ ͚Λެ։͢Δ͜ͱ͕ՄೳͱͳΔɻ
• R e a c t H o o k
s ͱ • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 1 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 2 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 3 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 4 • · ͱ Ί
8 ΧελϜϑοΫͷ࣮ྫ࣮ߦΠϝʔδ w ίϯϙʔωϯτؒͷϖʔδωʔγϣϯΛ࣮͢ΔVTF-PDBM)JTUPSZΧελϜϑοΫɻ w ϒϥβͷIJTUPSZ"1*ͷΑ͏ͳͷɻ ࣍ ࣍ճ Δճ ϥεττοϓϥετ
Δճ ཤྺΛফڈ
9 ΧελϜϑοΫͷ࣮ྫW w ΧελϜϑοΫະ༻ίϯϙʔωϯτͱϩδοΫ͕Ұॹʹهड़͞Ε͍ͯΔ
• R e a c t H o o k
s ͱ • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 1 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 2 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 3 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 4 • · ͱ Ί
11 ΧελϜϑοΫͷ࣮ྫW w ίϯϙʔωϯτ͔ΒϩδοΫΛΧελϜϑοΫʹ͢Δɻ w ίϯϙʔωϯτ͕ඞཁͳใ͚ͩΛฦ͠ɺଞΧελϜϑοΫʹӅṭ͢Δɻ w ίϯϙʔωϯτ͕ඞཁͳͷ w ɺDVSSFOU1BHF
w ૢ࡞ɺ5PQɺ/FYUɺ#BDLɺ-BTUɺ3FTFU w ˞ཤྺҰཡσόοάҎ֎ʹෆཁͳͷͰฦ͞ͳ͍ɻ
12 ΧελϜϑοΫͷ࣮ྫW w ΧελϜϑοΫ͔ΒෆཁͳIJTUPSZฦͣ͞ɺඞཁͳͱૢ࡞͚ͩΛฦ͢ɻ
13 ΧελϜϑοΫͷ࣮ྫW w ίϯϙʔωϯτ͕7JFXʹϑΥʔΧεͨ͠ίʔυͱͳΔ
• R e a c t H o o k
s ͱ • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 1 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 2 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 3 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 4 • · ͱ Ί
15 ΧελϜϑοΫͷ࣮ྫW w ࠓճͷૢ࡞ʹରͯ͠ΠϯλʔϑΣʔεΛఆٛ͢Δɻ
16 ΧελϜϑοΫͷ࣮ྫW w Ұ࿈ͷૢ࡞͕ؔ࿈͕͋Δ͜ͱ͕Θ͔Γ͘͢ͳΔɻ w ଞͷίϯϙʔωϯτʹରͯ͠ૢ࡞Λ͢͜ͱ༰қʹͳΔɻ
• R e a c t H o o k
s ͱ • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 1 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 2 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 3 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 4 • · ͱ Ί
18 ΧελϜϑοΫͷ࣮ྫW w 4UBDL -*'0 ͷσʔλߏΛΧελϜϑοΫͱͯ͠Γग़͢ɻ w ΧελϜϑοΫଟஈߏ͕ՄೳͳͷͰɺVTF-PDBM)JTUPSZ͔ΒVTF4UBDLΛݺͿɻ
19 ΧελϜϑοΫͷ࣮ྫW w VTF-PDBM)JTUPSZ͕4UBDLͷσʔλߏΛҙࣝͤͣɺը໘ભҠͷ੍ޚ͚ͩΛϩδοΫͱ͠ ͯ࣋ͭΑ͏ʹͳΔɻ
• R e a c t H o o k
s ͱ • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 1 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 2 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 3 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 4 • · ͱ Ί
21 ΧελϜϑοΫͷ࣮ྫW w ίϯϙʔωϯτͷ࠶ඳըΛճආ͢ΔͨΊʹɺVTF$BMMCBDLͱVTF.FNPΛར༻͢Δɻ w VTF-PDBM)JTUPSZΛར༻͍ͯ͠Δίϯϙʔωϯτ͕࣮ߦ͞ΕΔͨͼʹɺίʔϧόοΫఆ ͕ٛ࠶࣮ߦ͞ΕΔ͜ͱΛճආ͢Δɻ w MPDBM)JTUPSZΛผͷίϯϙʔωϯτʹ͍ͯ͠Δ߹ͳͲʹҙຯ͕͋Δɻ
• R e a c t H o o k
s ͱ • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 1 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 2 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 3 • Χ ε λ Ϝ ϑ ο Ϋ ͷ ࣮ ྫ v 4 • · ͱ Ί
23 ΧελϜϑοΫͱΫϥε w ͜ͷܗʹԿ͔ݟ͕֮͑͋ΔɻɻɻΫϥεʂ w Ϋϥε w ঢ়ଶϝϯόϑΟʔϧυ w ૢ࡞ϝιου
w ॳظԽίϯετϥΫλ w ΧελϜϑοΫ w ঢ়ଶVTF4UBUF w ૢ࡞ؔ w ॳظԽϑοΫͷҾ
24 ·ͱΊ w 3FBDU)PPLTͷΧελϜϑοΫͷొʹΑΓɺΦϒδΣΫτࢦͷϊϋ͕׆༻Ͱ͖ ΔΑ͏ʹͳͬͨɻ w దͳઃܭʹΑΓҎԼ͕࣮ݱՄೳ w ୯Ұͷݪଇ 431
ɺใӅṭ ΧϓηϧԽ w Մಡੑͷ্ɺ࠶ར༻ੑͷ্
25 ·ͱΊ w ࠷େͷϝϦοτ w ίϯϙʔωϯτʹґଘ͠ͳ͍ϩδοΫ͚͕ͩ044ͱͯ͠ڞ༗͞ΕΔΑ͏ʹͳͬͨ w ࠓޙঢ়ଶΛ࣋ͭϩδοΫΛॻ͘લʹɺݕࡧ͢Δ͜ͱΛ͓͢͢Ί͠·͢ɻ w IUUQTHJUIVCDPNTUSFBNJDISFBDUVTF
w IUUQTOJLHSBGHJUIVCJPSFBDUIPPLT w IUUQTVTFIPPLTDPN