Slide 1

Slide 1 text

React HooksͰ
 ඒ͍͠ίʔυΛॻ͘ ࠜ؛ప໵

Slide 2

Slide 2 text

ࣗݾ঺հ • ࠜ؛ప໵ • ϥϯαʔζגࣜձࣾ 2018.04 ~ • େֶ • ֶ෦ɿ਺ཧ޻ֶ • େֶӃɿϓϩμΫτ։ൃ • ϑΝΠφϯγϟϧϓϥϯφʔ3ڃ

Slide 3

Slide 3 text

ࠜ؛ప໵ React HooksͰ
 ඒ͍͠ίʔυΛॻ͘

Slide 4

Slide 4 text

No content

Slide 5

Slide 5 text

ಡΈ΍͢͞ͷجຊఆཧ ίʔυ͸ଞͷਓ͕࠷୹࣌ؒͰཧղͰ ͖ΔΑ͏ʹॻ͔ͳ͚Ε͹ͳΒͳ͍ ಡΈ΍͢͞ͷجຊఆཧ ίʔυ͸ଞͷਓ͕࠷୹࣌ؒͰཧղͰ ͖ΔΑ͏ʹॻ͔ͳ͚Ε͹ͳΒͳ͍

Slide 6

Slide 6 text

No content

Slide 7

Slide 7 text

ಛʹॏཁͳͷ͕ʮγϯϓϧͰ͋Δʯͱ͍͏͜ͱͰ͢ɻ ΞϓϦέʔγϣϯ΍γεςϜ͕શମͱͯ͠ͲΕ΄Ͳෳ ࡶͰ͋ͬͯ΋ɺݸʑͷ෦෼ΛऔΓग़ͯ͠ΈΔͱɺશͯ γϯϓϧʹͳ͍ͬͯ·͢ɻ

Slide 8

Slide 8 text

• ࠷୹࣌ؒͰཧղͰ͖Δ΋ͷ • Ͳͷ෦෼ΛऔΓग़ͯ͠΋γϯϓϧͰ͋Δ

Slide 9

Slide 9 text

React 
 ~v16.17

Slide 10

Slide 10 text

Reactίϯϙʔωϯτ UIͷύʔπΛίϯϙʔωϯτ͝ ͱʹ෼཭ͯ͠؅ཧ

Slide 11

Slide 11 text

Reactίϯϙʔωϯτ UIͷύʔπΛίϯϙʔωϯτ͝ ͱʹ෼཭ͯ͠؅ཧ

Slide 12

Slide 12 text

Reactίϯϙʔωϯτ UIͷύʔπΛίϯϙʔωϯτ͝ ͱʹ෼཭ͯ͠؅ཧ Functional Component

Slide 13

Slide 13 text

No content

Slide 14

Slide 14 text

No content

Slide 15

Slide 15 text

ը໘͕ભҠ͢Δલʹ
 Ϙλϯͷԡ͞Εͨճ਺Λ
 console.logͰग़ྗ͍ͨ͠

Slide 16

Slide 16 text

No content

Slide 17

Slide 17 text

Χ΢ϯλͷ஋ॳظԽ

Slide 18

Slide 18 text

ΫϦοΫ࣌ʹ
 Χ΢ϯλͷ஋Λ૿΍͢

Slide 19

Slide 19 text

Χ΢ϯτͷճ਺Λ logʹग़ྗ

Slide 20

Slide 20 text

No content

Slide 21

Slide 21 text

ಉ͡Α͏ͳؔ਺͕ ͨ͘͞Μ͋Δɻ App͔ΒݟΔͱ

Slide 22

Slide 22 text

redʹؔ͢Δॲཧ͕
 ࢄΒ͹͍ͬͯΔ App͔ΒݟΔͱ

Slide 23

Slide 23 text

֤Χ΢ϯλͷ஋͕
 άϩʔόϧ App͔ΒݟΔͱ

Slide 24

Slide 24 text

Appίϯϙʔωϯτ͸
 γϯϓϧ͔ʁ

Slide 25

Slide 25 text

ͳͥγϯϓϧʹͳΒͳ͍ͷ͔ ɾstateॳظԽҐஔ ɾstateͷείʔϓ ɾؔ਺ఆٛ ɾϥΠϑαΠΫϧϝιου

Slide 26

Slide 26 text

React V16.8

Slide 27

Slide 27 text

• React Hooksͷొ৔ • Ͳ͜Ͱ΋stateΛอ࣋͢Δ͜ͱ͕Մೳ useState • Ͳ͜Ͱ΋ؔ਺ఆ͕ٛՄೳ useCallback • Ͳ͜Ͱ΋ϥΠϑαΠΫϧϝιου useEffect • ͨͩ͠Functional Componentݶఆ

Slide 28

Slide 28 text

No content

Slide 29

Slide 29 text

No content

Slide 30

Slide 30 text

No content

Slide 31

Slide 31 text

No content

Slide 32

Slide 32 text

ಛʹॏཁͳͷ͕ʮγϯϓϧͰ͋Δʯͱ͍͏͜ͱͰ͢ɻ ΞϓϦέʔγϣϯ΍γεςϜ͕શମͱͯ͠ͲΕ΄Ͳෳ ࡶͰ͋ͬͯ΋ɺݸʑͷ෦෼ΛऔΓग़ͯ͠ΈΔͱɺશͯ γϯϓϧʹͳ͍ͬͯ·͢ɻ

Slide 33

Slide 33 text

No content

Slide 34

Slide 34 text

શ෦γϯϓϧ

Slide 35

Slide 35 text

ྑ͍ίʔυߟ͑Δͷ໘౗Ͱ͸ʁ

Slide 36

Slide 36 text

No content

Slide 37

Slide 37 text

1.5 Ͱ΋΍ΔΜͩΑ
 ͜ͷ໨ඪ(ྑ͍ίʔυΛॻ͘)Λड͚ೖΕ ͨΒ܅͸ɺ͖ͬͱ༏लͳϓϩάϥϚʹͳ ΕΔ͸ͣͩ

Slide 38

Slide 38 text

Thank youʂ