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
110
Array Grouping will soon be arriving at TypeScript
jiko21
0
110
Copying Array Methods arrived at TypeScript
jiko21
1
600
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
120
node:test will replace Jest?
jiko21
0
79
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
340
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
バクラクの認証基盤の成長と現在地 / bakuraku-authn-platform
convto
4
690
4/17/25 - CIJUG - Java Meets AI: Build LLM-Powered Apps with LangChain4j (part 2)
edeandrea
PRO
0
130
クォータ監視、AWS Organizations環境でも楽勝です✌️
iwamot
PRO
1
340
グループ ポリシー再確認 (2)
murachiakira
0
110
更新系と状態
uhyo
7
1.9k
ガバクラのAWS長期継続割引 ~次の4/1に慌てないために~
hamijay_cloud
1
370
AIコーディングの最前線 〜活用のコツと課題〜
pharma_x_tech
4
2.4k
SmartHR プロダクトエンジニア求人ガイド_2025 / PdE job guide 2025
smarthr
0
170
Рекомендации с нуля: как мы в Lamoda превратили главную страницу в ключевую точку входа для персонализированного шоппинга. Данил Комаров, Data Scientist, Lamoda Tech
lamodatech
0
790
サーバレス、コンテナ、データベース特化型機能をご紹介。CloudWatch をもっと使いこなそう!
o11yfes2023
0
190
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
15
5.4k
QA/SDETの現在と、これからの挑戦
imtnd
0
150
Featured
See All Featured
Statistics for Hackers
jakevdp
798
220k
What's in a price? How to price your products and services
michaelherold
245
12k
GitHub's CSS Performance
jonrohan
1030
460k
Writing Fast Ruby
sferik
628
61k
KATA
mclloyd
29
14k
Facilitating Awesome Meetings
lara
54
6.3k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
129
19k
Six Lessons from altMBA
skipperchong
27
3.7k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
135
33k
Building Applications with DynamoDB
mza
94
6.3k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
119
51k
RailsConf 2023
tenderlove
30
1.1k
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