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
1.6k
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
130
Array Grouping will soon be arriving at TypeScript
jiko21
0
130
Copying Array Methods arrived at TypeScript
jiko21
1
660
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
130
node:test will replace Jest?
jiko21
0
87
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
380
NestJS a progressive web framework
jiko21
3
2.1k
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
Figma + Storybook + PlaywrightのMCPを使ったフロントエンド開発
yug1224
2
120
AIエージェント就活入門 - MCPが履歴書になる未来
eltociear
0
420
AIが住民向けコンシェルジュに?Amazon Connectと生成AIで実現する自治体AIエージェント!
yuyeah
0
260
広島発!スタートアップ開発の裏側
tsankyo
0
240
AIとTDDによるNext.js「隙間ツール」開発の実践
makotot
5
660
Browser
recruitengineers
PRO
3
260
新卒(ほぼ)専業Kagglerという選択肢
nocchi1
1
2.1k
OpenAPIから画面生成に挑戦した話
koinunopochi
0
150
モダンフロントエンド 開発研修
recruitengineers
PRO
2
250
TypeScript入門
recruitengineers
PRO
6
1.2k
我々は雰囲気で仕事をしている / How can we do vibe coding as well
naospon
2
220
人を動かすことについて考える
ichimichi
2
320
Featured
See All Featured
Writing Fast Ruby
sferik
628
62k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
50
5.5k
Building Better People: How to give real-time feedback that sticks.
wjessup
367
19k
The Power of CSS Pseudo Elements
geoffreycrofte
77
5.9k
Fashionably flexible responsive web design (full day workshop)
malarkey
407
66k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.6k
Why You Should Never Use an ORM
jnunemaker
PRO
59
9.5k
Building an army of robots
kneath
306
46k
Navigating Team Friction
lara
189
15k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
161
15k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
48
9.6k
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