Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Reactで学ぶ!いまどきのWeb開発
Search
Amagi
March 18, 2017
Technology
50
17k
Reactで学ぶ!いまどきのWeb開発
FRONTEND CONFERENCE 2017のハンズオン用資料です。
教科書はこちら
https://github.com/fand/react-hands-on
Amagi
March 18, 2017
Tweet
Share
More Decks by Amagi
See All by Amagi
Enchant your website with VFX-JS
fand
0
120
How to hack VS Code: evil ways (Japanese)
fand
5
3.6k
READY FOR THE BATTLE? -Introduction to Live Coding-
fand
1
530
GLSL PostEffect in TouchDesigner
fand
2
2k
VEDA GLSL Livecoding workshop
fand
2
5.3k
PWA 方法 無料 今すぐ
fand
3
1.5k
Have you ever heard GPUs cry?
fand
2
3.8k
Real World GLSL
fand
0
280
APIs for VJ-ing
fand
1
6.9k
Other Decks in Technology
See All in Technology
バイブスに「型」を!Kent Beckに学ぶ、AI時代のテスト駆動開発
amixedcolor
2
530
Codeful Serverless / 一人運用でもやり抜く力
_kensh
7
380
エラーとアクセシビリティ
schktjm
1
1.2k
人工衛星のファームウェアをRustで書く理由
koba789
13
7.3k
現場で効くClaude Code ─ 最新動向と企業導入
takaakikakei
1
220
Android Audio: Beyond Winning On It
atsushieno
0
100
dbt開発 with Claude Codeのためのガードレール設計
10xinc
2
1.1k
生成AIでセキュリティ運用を効率化する話
sakaitakeshi
0
580
Agile PBL at New Grads Trainings
kawaguti
PRO
1
400
Firestore → Spanner 移行 を成功させた段階的移行プロセス
athug
1
450
【初心者向け】ローカルLLMの色々な動かし方まとめ
aratako
7
3.4k
Aurora DSQLはサーバーレスアーキテクチャの常識を変えるのか
iwatatomoya
1
850
Featured
See All Featured
Scaling GitHub
holman
463
140k
Context Engineering - Making Every Token Count
addyosmani
1
33
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
46
7.6k
The Cult of Friendly URLs
andyhume
79
6.6k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
31
2.2k
Music & Morning Musume
bryan
46
6.8k
Gamification - CAS2011
davidbonilla
81
5.4k
Code Review Best Practice
trishagee
70
19k
How GitHub (no longer) Works
holman
315
140k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Navigating Team Friction
lara
189
15k
Transcript
BNBHJUBLBZPTJ 3FBDUͰֶͿ ͍·Ͳ͖ͷ8FC։ൃ 3FBDUͰֶͿ ͍·Ͳ͖ͷ8FC։ൃ BNBHJUBLBZPTJ BNBHJUBLBZPTJ
ࢿྉ • ڭՊॻ https://github.com/fand/react-hands-on • ߨٛεϥΠυ https://speakerdeck.com/fand/reactdexue- bu-imadokifalsewebkai-fa
ಥવͰ͕͢ ͓ئ͍͕͋Γ·͢
͍·͙͢ HJUDMPOF ͍ͯͩ͘͠͞ʂ
·ͣNode.jsΠϯετʔϧ • https://nodejs.org/ja/ ͔Βμϯϩʔυ
ϨϙδτϦΛ git clone $ git clone https://github.com/fand/react-hands-on • ·ͨ zipͰμϯϩʔυ
$ cd react-hands-on $ npm install ґଘϥΠϒϥϦΠϯετʔϧ
վΊ·ͯ͠amagiͰ͢
IUUQEFWFMPQFSIBUFOBTUBDPNFOUSZ 1PEDBTUװגתׅ
͜ͷϋϯζΦϯͰΔ͜ͱ • ReactͰWebαΠτΛ࡞Δ • ReactͱɺͦͷपลͰى͍ͬͯ͜Δ ։ൃڥͷมԽʹֶ͍ͭͯͿ
ࠓ͔Β࡞ΔWebαΠτ
ڭՊॻ: https://github.com/fand/react-hands-on • Ճ/มߋ͢Δίʔυ͕εςοϓຖʹॻ͔Ε͍ͯΔ
diffͷݟํ
diffͷݟํ ʮςΫετʯΛ ʮςΩετʯʹมߋ
diffͷݟํ ϑΝΠϧඌʹ ʮZPʯΛՃ
ඪޠ: JS͕ Θ͔Βͳͯ͘ ؾʹ͠ͳ͍ • ࠓReactΛֶͼ·͢ (JSΛֶͼ͍ͨΘ͚Ͱͳ͍) • ΨϯΨϯίϐϖ͠Α͏ʂʂʂ •
٧·ͬͨΒൣղΛར༻͠Α͏ ʂʂ
develop developϒϥϯνʹ͓खຊ͋Γ·͢ master
develop master HJUͷλά
developϒϥϯνͷ͍ํ • օ͞ΜmasterͰ࡞ۀ͠·͢ • ʮͳΜ͔͓͔͍͠ʂಈ͔ͳ͍ʂʯͱ͔ ʮ·ͩॻ͍ͯΔ్தͳͷʹʙʂʯͱͳͬͨΒ git checkout step-n ͠·͠ΐ͏
• ྫ) Step 2 Ͱ٧·ͬͨΒ git checkout step-2
ֻׁ כׄת׃׳ֲ
Step 1: αʔόʔΛىಈ • $ npm run dev • http://localhost:3000/
ʹΞΫηε
ىಈޭʂ • pages/ ʹϑΝΠϧ͕͋Δ • Reactίϯϙʔωϯτ
͜ͷϨϙδτϦͷߏ • pages/ ʹJSϑΝΠϧ͕͋Δ • pages/index.js ΛݟͯΈΑ͏
index.jsͷΑ͏͢
index.jsͷΑ͏͢ U 3FBDUίϯϙʔωϯτ
index.jsͷΑ͏͢ 3FBDU&MFNFOUΛฦ͢ ؔʹͳ͍ͬͯΔ U
• ReactͰWebαΠτ࡞ΔͨΊͷϑϨʔϜϫʔΫ • ࣗಈͰ৭ʑͬͯ͘ΕΔ • Hot Module Reloading • Server-Side
Rendering Next.js
pages/index.js Λฤूͯ͠ΈΑ͏ • Ϧϩʔυ͠ͳͯ͘ө͞ΕΔͣ
Hot Module Reloading (HMR) • ϑΝΠϧΛฤूͨ͠Βɺฤूͨ͠෦͚ͩ Ϧϩʔυͯ͘͠ΕΔ • ຊདྷWebpackͷػೳ •
Next.js͕উखʹWebpackىಈͯ͘͠ΕͯΔ
“Server-Side Rendering” ͱʁ
ී௨ͷJS • αʔόʔଆͰϨϯμϦϯά
ී௨ͷJS • αʔόʔଆͰϨϯμϦϯά • JSͰಈ͖Λ͚ͭΔ • αʔόʔଆͰϨϯμϦϯά
Single Page Application (SPA) • JSͰશ෦ඳը͢Δ
Single Page Application (SPA) • JSͰશ෦ඳը͢Δ
"SPAͷϝϦοτ" • HTMLϦΫΤετ͕ݮΔ • AjaxͰσʔλΛऔಘ͠ɺJSͰඳը͢Δ • ϖʔδભҠ࣌ɺϖʔδ͕ਅͬനʹͳΒͳ͍ • શ෦JSͰॻ͚Δ •
αʔόʔͷॲཧ͕୯७ʹͳΔ
#SPAͷ# • HTMLϑΝΠϧനࢴ • ࠷ॳʹਅͬനͳը໘͕දࣔ͞Εͯ͠·͏ • SEOʹऑ͍
Server-Side Rendering • ReactͷϨϯμϦϯάΛαʔόʔଆͰߦͳ͏ʂ
Server-Side Rendering • ReactͷϨϯμϦϯάΛαʔόʔଆͰߦͳ͏ʂ
։ൃऀπʔϧͰݟΔͱ • HTMLϑΝΠϧʹͪΌΜͱத͕͋Δ
Step 2: AboutϖʔδΛ࡞Δ • pages/about.js Λ࡞ • ΄΅ pages/index.js ͱಉ͡
pages/about.jsΛ࡞
http://localhost:3000/about Λ֬ೝ
Step 3: ڞ௨ίϯϙʔωϯτΛ࡞Δ • ϨΠΞτɺෳͷϖʔδͰ͏ύʔπΛ ίϯϙʔωϯτʹΓग़͢ • component/ ϑΥϧμΛ࡞Γɺͦͷதʹ layout.js
Λ࡞Δ • ͦͷޙɺ pages/ ͷϑΝΠϧʹ ίϯϙʔωϯτΛૠೖ͢Δ
components/layout.js
components/layout.js IFBEཁૉ
components/layout.js શϖʔδڞ௨ͷ ϔομʔ
components/layout.js ϖʔδͷதΛ ಡΈࠐΜͰ͍Δ
pages/index.js ϖʔδશମΛ -BZPVUͰғΉ
pages/about.js JOEFYKTಉ༷
ϒϥβͰ֬ೝ͠Α͏
Step 4: CSSΛಋೖ͢Δ • ReactͰCSSΛ͏ํ๏ • ී௨ʹॻ͍ͯ link λάͰಡΈࠐΉ •
CSS in JS • ࠓճ CSS in JS ͯ͠Έ·͢
CSSͷ͍͠ॴ • ໊લۭ͕ؒάϩʔόϧ • ༏ઌ • ม͕ؔ͑ͳ͍
CSS։ൃͷਐԽ • Sass, LessͷϓϦϓϩηοα • PostCSS • CSS in JS
CSS in JS • ʮJSͰελΠϧΛఆٛͯ͠ ίϯϙʔωϯτͷstyleଐੑʹͭͬ͜͏ͥʯ ͱ͍͏ൃ • Next.jsͰσϑΥϧτͰ͑Δ •
ͬͯΈΑ͏ʂ
components/layout.jsΛमਖ਼ $44JO+4༻ ϥΠϒϥϦΛϩʔυ
components/layout.jsΛमਖ਼ CPEZཁૉͷ$44
ελΠϧΛఆٛͯ͠ ཁૉʹ͢
⚡ελΠϧ͕ద༻͞Εͨ⚡
ͳΜͰίϨͰಈ͘ͷ……ʁ • next/css ֤ཁૉʹҰҙͳΫϥε໊Λੜ͠ɺ ͦͷΫϥεʹରͯ͠ελΠϧΛఆٛ͢Δ
Step 5: ϋϯόʔΨʔϘλϯΛՃ͢Δ • ֎෦ͷCSSϥΠϒϥϦΛಡΈࠐΜͰ ϘλϯΛදࣔͯ͠ΈΑ͏ • ࠓճ jonsuh/hamburgers Λར༻͠·͢
components/hamburger.jsΛ࡞
components/hamburger.jsΛ࡞
components/layout.jsΛमਖ਼
components/layout.jsΛमਖ਼ ֎෦$44Λϩʔυ
දࣔޭ
Step 6: ϋϯόʔΨʔϘλϯΛಈ͔͢ • ͜͜·ͰͷReactίϯϙʔωϯτ ঢ়ଶΛͨͳ͔ͬͨ • ϋϯόʔΨʔϘλϯʹঢ়ଶΛՃ͠ ಈ͔ͯ͠ΈΑ͏ʂ
Reactίϯϙʔωϯτͷछྨ • ঢ়ଶͷͳ͍ίϯϙʔωϯτ: ReactElement Λฦؔ͢ • ঢ়ଶͷ͋Δίϯϙʔωϯτ: React.Component Λܧঝ͢ΔΫϥε •
render() ϝιουͰ ReactElement Λฦ͢
ReactElement is Կ • JSXͰੜ͞ΕΔΦϒδΣΫτ ͍ͭ͜ͷ͜ͱ
components/hamburger.jsΛमਖ਼
components/hamburger.jsΛमਖ਼ ঢ়ଶΛఆٛ
components/hamburger.jsΛमਖ਼ ঢ়ଶΛมߋ͢Δؔ
components/hamburger.jsΛमਖ਼ ΫϦοΫͨ͠Β UPHHMF ΛݺͿΑ͏ʹ
͏͍ͨ͝ʂ
Step 7: αΠυόʔΛՃ • TopϖʔδɺAboutϖʔδͷϦϯΫΛද͍ࣔͨ͠ • components/sidebar.jsͰαΠυόʔΛ࡞͠ components/layout.jsʹૠೖ͢Δ
components/sidebar.js
OFYUMJOLΛར༻͠ ϦϯΫΛ࡞
components/layout.jsΛमਖ਼ 4JEFCBSΛϩʔυ 4JEFCBSΛૠೖ (লུ) … …
αΠυόʔ͕දࣔ͞Εͨ
Step 8: αΠυόʔΛಈ͔͢ • HamburgerͰཧ͍ͯ͠Δঢ়ଶΛ Sidebarʹ͍͑ͨ • LayoutͰঢ়ଶΛཧ͠ HamburgerͱSidebarʹ͢Α͏ʹ͢Δ
ϘλϯΛԡͨ͠ͱ͖ͷྲྀΕ -BZPVU 4JEFCBS )BNCVSHFS JT4JEFCBS"DUJWFGBMTF
-BZPVU 4JEFCBS )BNCVSHFS ΫϦοΫ͞ΕͨΑʙ JT4JEFCBS"DUJWFGBMTF
-BZPVU JT4JEFCBS"DUJWFGBMTF JT4JEFCBS"DUJWFUSVF JT4JEFCBS"DUJWFUSVF 4JEFCBS )BNCVSHFS ঢ়ଶΛมߋ
-BZPVU 4JEFCBS )BNCVSHFS JT4JEFCBS"DUJWFUSVF JT4JEFCBS"DUJWFUSVF ঢ়ଶ͕ΘΔ
-BZPVU 4JEFCBS )BNCVSHFS JT4JEFCBS"DUJWFUSVF JT4JEFCBS"DUJWFUSVF දࣔΛΓସ͑Δ
components/layout.jsΛमਖ਼
components/layout.jsΛमਖ਼ U )BNCVSHFSʹ͋ͬͨ ঢ়ଶΛཧ͢Δॲཧ
)BNCVSHFS 4JEFCBSʹ ঢ়ଶΛ͢
components/hamburger.jsΛमਖ਼
components/hamburger.jsΛमਖ਼ QSPQTͰঢ়ଶΛड͚औΔ͚ͩ
components/sidebar.jsΛमਖ਼
components/sidebar.jsΛमਖ਼ QSPQTΛड͚औͬͯ දࣔΛΓସ͑Δ
αΠυόʔಈ͍ͨʂ
·ͱΊ
ࠓֶΜͩ͜ͱ • React ΞϓϦέʔγϣϯͷ࡞Γํ • Single Page Application (SPA) •
Server-Side Rendering (SSR) • Hot Module Reloading (HMR) • CSS in JS
͓͔ͭΕ͞·Ͱͨ͠ʂ
ؾܰʹ࣭͍ͯͩ͘͠͞ w 5XJUUFSͰϝϯγϣϯͨ͠Γ IUUQTUXJUUFSDPNBNBHJUBLBZPTJ w (JU)VCͰJTTVFཱͯͨΓ IUUQTHJUIVCDPNGBOESFBDUIBOETPO ؾܰʹ࣭͍ͯͩ͘͠͞ w 5XJUUFSͰϝϯγϣϯͨ͠Γ
IUUQTUXJUUFSDPNBNBHJUBLBZPTJ w (JU)VCͰJTTVFཱͯͨΓ IUUQTHJUIVCDPNGBOESFBDUIBOETPO