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
チームをCQRS
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
boiyama
March 30, 2018
Programming
1.6k
1
Share
チームをCQRS
We Are JavaScripters! @17th
https://wajs.connpass.com/event/81022/
の発表資料です。
boiyama
March 30, 2018
More Decks by boiyama
See All by boiyama
Reproのビジネスサイドを支えるJS
boiyama
0
180
バックオフィスに行ったソフトウェアエンジニアの業務効率化事例
boiyama
1
270
2018年、IE6対応サイトを作る
boiyama
4
990
ヤバいESLint/TSLintルール作っちゃったかもしれない
boiyama
0
1.5k
フロントエンドのサーバーレス SSR編
boiyama
0
710
Serverless for Front-end Server-Side Rendering
boiyama
1
110
Learning Elm in JS
boiyama
1
560
JSでElmを学ぶ
boiyama
0
100
フロントエンドのサーバーレス SPA編
boiyama
1
1.1k
Other Decks in Programming
See All in Programming
LM Linkで(非力な!)ノートPCでローカルLLM
seosoft
0
410
おれのAgentic Coding 2026/03
tsukasagr
1
130
Reactive ❤️ Loom: A Forbidden Love Story
franz1981
2
220
瑠璃の宝石に学ぶ技術の声の聴き方 / 【劇場版】アニメから得た学びを発表会2026 #エンジニアニメ
mazrean
0
170
Radical Imagining - LIFT 2025-2027 Policy Agenda
lift1998
0
250
PHPのバージョンアップ時にも役立ったAST(2026年版)
matsuo_atsushi
0
290
VueエンジニアがReactを触って感じた_設計の違い
koukimiura
0
160
一度始めたらやめられない開発効率向上術 / Findy あなたのdotfilesを教えて!
k0kubun
4
2.8k
The free-lunch guide to idea circularity
hollycummins
0
420
Going Multiplatform with Your Android App (Android Makers 2026)
zsmb
2
340
KagglerがMixSeekを触ってみた
morim
0
370
それはエンジニアリングの糧である:AI開発のためにAIのOSSを開発する現場より / It serves as fuel for engineering: insights from the field of developing open-source AI for AI development.
nrslib
1
830
Featured
See All Featured
The SEO Collaboration Effect
kristinabergwall1
0
420
Money Talks: Using Revenue to Get Sh*t Done
nikkihalliwell
0
200
AI: The stuff that nobody shows you
jnunemaker
PRO
4
520
A Guide to Academic Writing Using Generative AI - A Workshop
ks91
PRO
1
260
How to optimise 3,500 product descriptions for ecommerce in one day using ChatGPT
katarinadahlin
PRO
1
3.5k
From Legacy to Launchpad: Building Startup-Ready Communities
dugsong
0
190
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
508
140k
Agile Actions for Facilitating Distributed Teams - ADO2019
mkilby
0
170
Exploring anti-patterns in Rails
aemeredith
3
310
Building the Perfect Custom Keyboard
takai
2
720
[SF Ruby Conf 2025] Rails X
palkan
2
930
Build your cross-platform service in a week with App Engine
jlugia
234
18k
Transcript
ν ʔϜ Λ C Q R S 2 0 1
8 . 3 . 3 0 We A re J a v a S c r i p t e r s # 1 7
P ro f i l e • ϑϩϯτΤϯυΤϯδχΞ at PERSOL
• GitHub: boiyaa Twitter: boiyaaaaaa
C Q R S ίϚϯυΫΤϦ શͯͷॲཧίϚϯυʢߋ৽ʣ͔ΫΤϦʢࢀরʣͰɺͦΕͧΕඞཁͳͷ͕ҧ͏͔Β͚ͯߏ͢Δͱ ͍͏ύλʔϯ ߋ৽ॲཧɿ υϝΠϯϩδοΫ༗ σʔλ߹ੑ
ࢀরॲཧɿ υϝΠϯϩδοΫແ ύϑΥʔϚϯεͱ͔ݕࡧͷ͢͠͞ͱ͔
• αʔόʔαΠυͰΑ͘ΘΕΔύλʔϯ • Akka͕༗໊ ߋ৽ ࢀর EventʢߴՄ༻ͳDBʣ Stateʢ߹ͳDBʣ Command
• αʔόʔαΠυ͚ͩͰͷߟ͑ํͰͳ͍ • ReduxͳΜ͔CQRSνοΫͳϑϨʔϜϫʔΫ Event Props Action State ʢAPIͱ͔ ɹLocalStorageͱ͔ʣ
Reducer ߋ৽ ࢀর
ਓͷׂ͜Μͳײ͡Ͱ͚͍ͨͱ͍͏
ϑϩϯτΤϯυͱόοΫΤϯυͷ৬Λ ϑϩϯτΤϯυɿը໘Λ࡞Δ όοΫΤϯυɿσʔλΛ࡞Δ ͱఆٛ͢Δͱɺ
࣮ࡍͷݱͷׂ୲͜͏ͳ͍ͬͯΔ ϑϩϯτΤϯυ୲ऀɿϑϩϯτΤϯυʴΫϥΠΞϯτ αΠυόοΫΤϯυ όοΫΤϯυ୲ऀɿαʔόʔαΠυόοΫΤϯυ
ͱ͍͏ͷ ϑϩϯτΤϯυɹˠɹϑϩϯτΤϯυΤϯδχΞ όοΫΤϯυɹˠɹαʔόʔαΠυΤϯδχΞ ͳΜͰ͜͏ͳͬͯΔʁ
FirebaseͳͲΛ࠾༻ͯ͠ΫϥΠΞϯταΠυʹ΄ͱΜͲ ͷϩδοΫΛ͖࣋ͬͯͨΓ͢Δ ͰͦΕΛαʔόʔαΠυϨϯμϦϯάͨ͠Γ͢Δ ΫϥΠΞϯτͱαʔόʔͰࣄΛ͚Δͷ࣌ʹ ϑΟοτͯ͠ͳ͍ͷͰ
ࠓҰ ϑϩϯτΤϯυɿը໘Λ࡞Δ όοΫΤϯυɿσʔλΛ࡞Δ ʹཱͪฦׂͬͯΛఆ͍ٛͨ͠͠
ը໘Λߏ͢ΔͷࢀরॲཧͱͷΈ߹ΘͤͰɺ ߋ৽ॲཧΠϕϯτϋϯυϥͰߦΘΕΔͱ͍͏͜ͱΛ౿ ·͑Δͱɺ • ը໘ͱɺը໘Λߏ͢ΔͨΊͷࢀরॲཧΛ࡞Δ • ը໘ͷΠϕϯτϋϯυϥͱߋ৽ॲཧΛ࡞Δ ͱ͍͏ײ͡Ͱࣄߋ৽ܥͱࢀরܥͰͰ͖ͦ͏
Event State Event State ը໘ ΫϥΠΞϯτ αʔόʔ όοΫΤϯυ ΤϯδχΞ ϑϩϯτΤϯυ
ΤϯδχΞ ຊདྷͷը໘Λ࡞ΔɾσʔλΛ࡞Δ৬ʹूத
JavaScriptΫϥΠΞϯτɾαʔόʔͲͪΒ࡞ΕΔݴ ޠͳ͚ͩ͋ͬͯɺ JavaScripter྆ଆ͚ͳ͍͜ͱʹ߅͕ແ͍ਓ͕ଟ͍ ͱࢥ͏ ͨͩɺԣஅ͢ΔͷͰɺ֤ͷपลࣝΛநԽ͠ ͨπʔϧαʔϏεΛ׆༻͍ͨ͠
αʔόʔαΠυാͷਓ͚ େͳϑϩϯτΤϯυΤίγεϜͷΩϟονΞοϓͷखؒΛ͔͚ͣʹࡁΉͷ • Nuxt.js: VueϕʔεͰɺΕΔࣄͷଟ͞ͱԱ͑Δࣄͷগͳ͞ͷόϥϯε͕͍͍ • Next.js: Reactϕʔεʹ͔ͯ͠ͳΓԱ͑Δࣄগͳ͘Ͱ͖͍ͯΔ
• Redux: αʔόʔαΠυͰCQRS͍ͬͯΔਓʹೃછΈ͍͢ͱࢥ͏͠ɺӬଓԽ͍ͨ͠σʔλΛ ѻ͏ϑϨʔϜϫʔΫͱͯ͠ • AMP: ΕΔࣄগͳ͍͚ͲԱ͑Δࣄ͕Ұ൪গͳ͍ɻSPAͰͳ͍ͷͰαʔόʔαΠυతʹςϯϓ ϨʔτΤϯδϯʹॻ͚͍͍ͷͰϋʔυϧ͍
ϑϩϯτΤϯυാͷਓ͚ αʔόʔαΠυͷՄ༻ੑύϑΥʔϚϯεΛࣗྗͰ୲อ͢Δͷ͍͠ͷͰɺӡ༻ϋʔυϧͷ͍ͷ • Cloud Firestore: σʔλΛΫϥΠΞϯταʔόʔؒͰಉظ͢Δεέʔϥϒϧͳ NoSQLσʔλϕʔεɻ ͦͦ͜͜ͷΫΤϦػೳʢ!=ͱ͔orͱ͔ͳ͍ʣɻ·ͩϕʔλ •
Cloud Functions for Firebase: Firestore ͷߋ৽ΛτϦΨʔʹ Node.js ͷؔΛ࣮ߦͰ͖ΔͷͰɺෳࡶͳϩδοΫΛॻ͘ॴʹ͑Δɻ • Firebase Hosting: ͱͯ؆୯ʹ੩తϑΝΠϧΛFastlyͷڧྗͳCDNͰ৴Ͱ͖ΔɻυϝΠϯূ໌ॻஶ͘͠؆୯ɻ Cloud FunctionsͷϓϩΩγͰ͖ͯɺαʔόʔαΠυϨϯμϦϯάͨ͠ը໘৴Ͱ͖Δɻ • AWS AppSync: GraphQLͰDynamoDBʢεέʔϥϒϧͳ NoSQLσʔλϕʔεʣElasticsearch ServiceʢϑϧϚωʔδυͳݕ ࡧΤϯδϯʣ͔ΒσʔλऔಘͰ͖ΔαʔϏεͳͷͰɺΫΤϦͱ૬ੑ͕ྑͦ͞͏ɻ Lambda Ͱ Node.js ͷؔΛ࣮ߦͰ͖ΔͷͰɺෳࡶͳϩδοΫॻ͚Δɻ·ͩύϒϦοΫϓϨϏϡʔ
ͱ͍͏ໝ