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
Reactivity Transform
Search
kazupon
August 17, 2022
Technology
1
1.3k
Reactivity Transform
kazupon
August 17, 2022
Tweet
Share
More Decks by kazupon
See All by kazupon
わたしのOSS活動
kazupon
3
410
Vapor Revolution
kazupon
3
3.3k
Vue.js最新動向
kazupon
3
1.5k
Vue 3.4
kazupon
13
4.6k
Vue & Vite Rustify
kazupon
4
2.2k
Vue.jsエコシステム動向2023
kazupon
17
7.7k
わたしのOSS活動
kazupon
1
1k
Vue with Vite
kazupon
2
2.5k
State of Vue I18n
kazupon
3
610
Other Decks in Technology
See All in Technology
食べログが挑む!飲食店ネット予約システムで自動テスト無双して手動テストゼロを実現する戦略
hagevvashi
3
420
AWSで作るセキュアな認証基盤with OAuth mTLS / Secure Authentication Infrastructure with OAuth mTLS on AWS
kaminashi
0
150
システムとの会話から生まれる先手のDevOps
kakehashi
PRO
0
280
Стильный код: натуральный поиск редких атрибутов по картинке. Юлия Антохина, Data Scientist, Lamoda Tech
lamodatech
0
710
Cross Data Platforms Meetup LT 20250422
tarotaro0129
1
550
Amazon CloudWatch を使って NW 監視を行うには
o11yfes2023
0
160
はじめてのSDET / My first challenge as a SDET
bun913
1
250
Cursor AgentによるパーソナルAIアシスタント育成入門―業務のプロンプト化・MCPの活用
os1ma
13
4.7k
20250413_湘南kaggler会_音声認識で使うのってメルス・・・なんだっけ?
sugupoko
1
480
バックオフィス向け toB SaaS バクラクにおけるレコメンド技術活用 / recommender-systems-in-layerx-bakuraku
yuya4
6
540
Creating Awesome Change in SmartNews
martin_lover
1
280
Webアプリを Lambdaで動かすまでに考えること / How to implement monolithic Lambda Web Application
_kensh
7
1.3k
Featured
See All Featured
The World Runs on Bad Software
bkeepers
PRO
67
11k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
331
21k
Site-Speed That Sticks
csswizardry
5
490
Facilitating Awesome Meetings
lara
54
6.3k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
13
1.4k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
26k
The Invisible Side of Design
smashingmag
299
50k
Building Applications with DynamoDB
mza
94
6.3k
Gamification - CAS2011
davidbonilla
81
5.2k
Scaling GitHub
holman
459
140k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
19
1.1k
Producing Creativity
orderedlist
PRO
344
40k
Transcript
Reactivity Transform TechFeed Experts Night #2 2022.08.17 @kazupon
PLAID, inc. Vue.js Core Team Member Vue.js Japan User Group
Organizer Creator of Vue I18n & Intlify @kazu_pon kazupon kazupon
Vue Fes Japan Online 2022
ࠓ͢͜ͱ • Reactivity Transform ʹ͍ͭͯ • ·࣮ͩݧతػೳͳͷͰࠓޙมΘΔ Մೳੑ͕͋Δ͔
Reactivity Transform
Reactivity Transform ͱ? • ίϯύΠϥϚΫϩΛͬͯ Composition API ͷϦΞΫςΟϒ पΓͷΛղܾ͢ΔͨΊͷͷ •
Ґஔ͚ͮͱͯ͠ Composition API ͷ DX Λվળ͢ΔͨΊʹੜ·Εͨ
ఏڙ͞ΕΔίϯύΠϥϚΫϩ • `$` ͰϓϦϑΟοΫε͞ΕͨίϯύΠϥϚΫϩ܊ • $ref() • $computed() • $shallowRef()
• $customRef() • $toRef() • $() • $$()
ఏڙ͞ΕΔίϯύΠϥϚΫϩ • `$` ͰϓϦϑΟοΫε͞ΕͨίϯύΠϥϚΫϩ܊ • $ref() • $computed() • $shallowRef()
• $customRef() • $toRef() • $() • $$() Composition API ͷ ϦΞΫςΟϏςΟؔ࿈APIʹ ରԠ͢ΔϚΫϩ
ఏڙ͞ΕΔίϯύΠϥϚΫϩ • `$` ͰϓϦϑΟοΫε͞ΕͨίϯύΠϥϚΫϩ܊ • $ref() • $computed() • $shallowRef()
• $customRef() • $toRef() • $() • $$() Composition API ͷ ϦΞΫςΟϏςΟؔ࿈APIʹ ରԠ͢ΔϚΫϩ ϦΞΫςΟϏςΟपΓͷৼΔ͍ ΛऔΓѻ͏ϚΫϩ
ٕज़తʹͲ͏ͳͬͯΔʁ • Babel ΛͬͯϚΫϩͰॻ͔Εͨ VueͷίʔυΛ AST Λղੳͯ͠ɺ ಈ͘JSίʔυʹม͍ͯ͠Δ • `@vue/reactivity-transform`
ͱ͍͏ ύοέʔδͰॲཧ͞ΕΔ
ϦΞΫςΟϏςΟ पΓͷͱʁ
ref ͱ reactive ͷ औΓѻ͍͕͍͠
reactive ͱ ref ͷऔΓѻ͍͕͍͠ • reactive: • ΦϒδΣΫτσʔ λߏ •
number string ͳͲͷϓϦϛςΟ ϒͳॲཧͰ͖ ͳ͍
reactive ͱ ref ͷऔΓѻ͍͕͍͠ • ref: • ϓϦϛςΟϒͳ Λѻ͍Մೳ •
ΦϒδΣΫτՄ ೳ • `.value` ͰΞΫηε ͠ͳ͍ͱ͍͚ͳ͍
ΛׂೖͰऔ Γѻ͏ͷ͕͍͠
ΛׂೖͰऔΓѻ͏ͷ͕͍͠
ΛׂೖͰऔΓѻ͏ͷ͕͍͠
Props ͷσϑΥϧτ ఆٛํ๏
Props ͷσϑΥϧτఆٛํ๏
Reactivity Transform Λ͏ͱ…
ref ͱ reactive ͷ औΓѻ͍͕͍͠ ͱ͍͏ʹରͯ͠…
ref ܥΛ͍͍͑Α͏ʹͳΔ ίϯύΠϧલ ίϯύΠϧޙ e.g. `$ref` Λͬͨέʔε
ΛׂೖͰऔ Γѻ͏ͷ͕͍͠ ͱ͍͏ʹରͯ͠…
ׂೖ͕ؾܰʹ͑ΔΑ͏ʹͳΔ ίϯύΠϧલ ίϯύΠϧޙ
ׂೖ͕ؾܰʹ͑ΔΑ͏ʹͳΔ ίϯύΠϧલ ίϯύΠϧޙ
Props ͷσϑΥϧτ ఆٛํ๏ ͱ͍͏ʹରͯ͠…
Props ͷσϑΥϧτJSߏจͰఆٛՄೳ ίϯύΠϧલ ίϯύΠϧޙ
Reactivity Transform ͷҙ
ϦΞΫςΟϒͳมͷఆٛ
ϚΫϩͰఆٛͨ͠มΛؔʹ͢ͱ͖ ref ͷҾΛ࣋ͭؔʹɺ ϚΫϩͰఆٛͨ͠ม ͢ͱಈ࡞͠ͳ͍… (TSڥͷ߹ܕΤϥʔ) `$$()` Ͱϥοϓ(Τεέʔϓ)ͯ͋͛͠Ε ίϯύΠϧ࣌ʹ ref
ͷ··͞ΕΔ
ؔͰϚΫϩͰఆٛͨ͠มΛฦ͢ͱ͖
αϙʔτ͢Δ πʔϧ
ެࣜͰఏڙ͢Δπʔϧ • VS Code ֦ு • Volar • ESLint ϓϥάΠϯ
• eslint-plugin-vue (ϧʔϧఏڙ༧ఆ) • όϯυϥ͚ϓϥάΠϯɾϩʔμʔ • Vite: `@vitejs/plugin-vue@^2.0.0` • Webpack: `vue-loader@^17.0.0`
·ͱΊ
·ͱΊ • Reactivity Transform ϦΞΫςΟϏςΟप ΓͷΛղܾ͢ΔͨΊͷͷ • ίϯύΠϥϚΫϩΛ͏͜ͱͰΛղܾ͢ Δ͜ͱ͕Ͱ͖Δ •
෭࡞༻͋ΔͷͰ͏ͱ͖ҙ͕ඞཁ • αϙʔτ͢Δπʔϧ͕ఏڙ͞ΕΔͷͰ͍ͬ ͠ΐʹ͏ͱ DX ΛߴΊΒΕΔ
Thanks!