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
Composition API TypeScriptはVue.jsの夢を見るか?
Search
jiko21
September 06, 2019
Technology
1
1.1k
Composition API TypeScriptはVue.jsの夢を見るか?
KansaiTS#2の資料です!
jiko21
September 06, 2019
Tweet
Share
More Decks by jiko21
See All by jiko21
Creating a Next.js-style Framework with Bun and Hono
jiko21
0
66
Array Grouping will soon be arriving at TypeScript
jiko21
0
63
Copying Array Methods arrived at TypeScript
jiko21
1
510
SSRで動的に OGP画像を生成したい! 〜Cloudflare Workersから@vercel/og移行編〜
jiko21
0
100
node:test will replace Jest?
jiko21
0
66
どこでも動かすために… TypeScriptでライブラリ開発の すゝめ
jiko21
2
280
NestJS a progressive web framework
jiko21
3
2k
レガシーなフロントエンドをリプレイスする
jiko21
5
1.5k
Deep Dive Into Vue Composition API
jiko21
0
3.2k
Other Decks in Technology
See All in Technology
【swonet.conf_】NOCメンバーが語るSTMの実態!! ~ShowNetから若者への贈り物~
shownet
PRO
0
230
Sansanにおける全社横断データ分析基盤の挑戦と未来 / Challenges and Future of Cross-Organizational Data Analytics Platform at Sansan
sansan_randd
2
310
[JAWS-UG GameTech] 第6回 各種事例紹介_18TRIPにおけるAWSサービスを活用した負荷テスト・障害テスト
naoto_yasuda
0
100
普通の Web エンジニアのための様相論理入門 #yapcjapan / YAPC Hakodate 2024
ytaka23
2
460
Create Inquiry via Bedrock / 生成 AI で問い合わせ品質は変わるのか?思いついてぱっと作ったものを供養してみる
kazzpapa3
1
200
Interfacing Kernel C APIs from Rust
ennael
PRO
0
210
LINEヤフー新卒採用 コーディングテスト解説 アルゴリズム問題編
lycorp_recruit_jp
0
13k
Rubyはなぜ「たのしい」のか? / Why is Ruby a programmers' best friend? #tqrk15
expajp
4
1.7k
Assisted reorganization of data structures
ennael
PRO
0
210
Strict Concurrencyにしたらdeinitでクラッシュする話
0si43
0
120
Efficient zero-copy networking using io_uring
ennael
PRO
0
280
スクラム導入の舞台裏:QAエンジニアがスクラムマスターになるまで
bubo1201
0
120
Featured
See All Featured
Bootstrapping a Software Product
garrettdimon
PRO
304
110k
A Tale of Four Properties
chriscoyier
155
22k
Debugging Ruby Performance
tmm1
73
12k
Speed Design
sergeychernyshev
22
460
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
1
240
Build your cross-platform service in a week with App Engine
jlugia
229
18k
Done Done
chrislema
181
16k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
No one is an island. Learnings from fostering a developers community.
thoeni
19
2.9k
VelocityConf: Rendering Performance Case Studies
addyosmani
324
23k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
92
16k
Visualization
eitanlees
143
15k
Transcript
Composition API TypeScriptVue.jsͷເΛݟΔ͔? KansaiTS#2 @Daikids2
খౡ େج / Daiki Kojima @Daikids2 @daikikojima ژେֶେֶӃใֶݚڀՊM2 Server/Front, Mobile(iOS/Android)…
Vue fes JPࢀՃ͠·͢!! ࠷ۙRxJavaશʹཧղͨ͠
Posted on … IUUQTTQFBLFSEFDLDPNEBJLJETDPNQPTJUJPOBQJUZQFTDSJQUIBWVFEPUKTGBMTFNFOHXPKJBO SVLB
ࠓճͷωλ • Vue.jsͩͱਏ͔ͬͨTypeScriptʹ͍ͭͯɺ ͤʹͳΕΔ͔?͠Εͳ͍Composition APIΛ հ͠·͢! • VuexपΓ͝צหΛ!!
Vue.jsΛTSͩͱͲ͏ॻ͔͘?
Vue.extend import Vue from 'vue'; export default Vue.extend({ name: 'CountExtemd',
props: { msg: { Type: String, required: true, }, }, data() { return { count: 0, }; }, methods: { add() { this.count += 1; }, minus() { this.count -= 1; }, }, });
Vue.extend • ͍ͭͷVueͱ΄΅ಉ͡! • propsपΓͷܕ͕ গ͠ؾ࣋ͪѱ͍… import Vue from 'vue';
export default Vue.extend({ name: 'CountExtemd', props: { msg: { Type: String, required: true, }, }, data() { return { count: 0, }; }, methods: { add() { this.count += 1; }, minus() { this.count -= 1; }, }, });
Class Style (vue-property-decorator) import { Component, Prop, Vue } from
'vue-property-decorator'; @Component class CountClass extends Vue { @Prop() private msg!: string; count = 0; add() { this.count += 1; } minus() { this.count -= 1; } }
Class Style (vue-property-decorator) import { Component, Prop, Vue } from
'vue-property-decorator'; @Component class CountClass extends Vue { @Prop() private msg!: string; count = 0; add() { this.count += 1; } minus() { this.count -= 1; } } • Vue + TSͷਓ͕ Αͬͯ͘Δͭ • एׯσίϨʔλ͕ܳ ա͗Δؾ͕͢Δ…
িܸͷࣄ࣮… https://github.com/vuejs/rfcs/pull/17#issuecomment-494242121
ඪ४Խ͔Β֎Ε·ͨ͠… • ʑͱཧ༝͕ॻ͔ΕͯΔ… • ͨͩɺvue-class-componentࣗମ ࠓޙͱαϙʔτ͍༷ͯ͘͠…
զʑʹرͳ͍ͷͩΖ͏͔…
Composition API!! https://github.com/vuejs/composition-api
Composition API!! import {createComponent, reactive} from '@vue/composition-api'; const Count =
createComponent({ props: ['msg'], setup() { const state = reactive({ count: 0, }); const add = () => { state.count += 1; }; const minus = () => { state.count -= 1; }; return { state, add, minus, }; }, });
What’s Composition API? • Vue 3.0Ͱಋೖ༧ఆͷAPI • Function APIͱ͍͏໊લͰͨ͠…
Why? • ैདྷͷVue-> `this`ʹґଘ • ܕਪΛߟ͑ͯσβΠϯ͞Εͯͳ͔ͬͨ… • Class Style •
ܕղܾͷͨΊʹσίϨʔλʹཔΒ͟ΔΛಘͳ͍…
Composition apiͩͱ… • ܕʹ͍͞͠ૉͷมؔΛ͑Δ • ܕਪʹ͍͞͠! • ੜͷTypeScriptɺJavaScriptͷΑ͏ͳίʔυ ʹͳΔ͔ΒIDEͷαϙʔτड͚͘͢ͳΔ!
ॻ͖ํ • createComponentͰίϯϙʔωϯτΛ࡞ͯ͠ setup()ʹdataͱ͔methodsͳͲΛॻ͍͍ͯ͘… const Count = createComponent({ props: ['msg'],
setup() {
ॻ͖ํ • datarefstate, methodsؔͱͯ͠ ॻ͍ͯ͋͛ΕOK • reactiveVue.observable()ͱ ಉ(Rxͱͬͪ͝ΌʹͳΔ͔Β վ໊ͨ͠Β͍͠…) setup()
{ const state = reactive({ count: 0, }); const add = () => { state.count += 1; }; const minus = () => { state.count -= 1; }; return { state, add, minus, }; },
Ͷɺ؆୯Ͱ͠ΐ?
·ͱΊ • Vue.jsΛTypeScriptͰॻ͘ʹ3ύλʔϯ • Vue.extend • Class • Composition •
Composition APIͳΒܕਪͳͲ͕Α͘ͳΔ͔… • ͨͩ͠ɺfunction-apiͷ࣌ͱൺͯ݁ߏมߋ͋ΔͷͰ ༷ࢠݟ͕ྑͦ͞͏…
ऴ ੍࡞ɾஶ࡞ ᴸᴸᴸᴸᴸ @Daikids2
Reference • https://github.com/vuejs/composition-api • https://vue-composition-api-rfc.netlify.com/ • https://github.com/vuejs/rfcs/pull/ 17#issuecomment-494242121