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
120
Array Grouping will soon be arriving at TypeScript
jiko21
0
120
Copying Array Methods arrived at TypeScript
jiko21
1
630
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
84
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
360
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
AIのAIによるAIのための出力評価と改善
chocoyama
2
580
【5分でわかる】セーフィー エンジニア向け会社紹介
safie_recruit
0
26k
Wasm元年
askua
0
150
Amazon Bedrockで実現する 新たな学習体験
kzkmaeda
2
610
Welcome to the LLM Club
koic
0
190
Amazon ECS & AWS Fargate 運用アーキテクチャ2025 / Amazon ECS and AWS Fargate Ops Architecture 2025
iselegant
17
5.7k
Oracle Audit Vault and Database Firewall 20 概要
oracle4engineer
PRO
3
1.7k
Кто отправит outbox? Валентин Удальцов, автор канала Пых
lamodatech
0
360
プロダクトエンジニアリング組織への歩み、その現在地 / Our journey to becoming a product engineering organization
hiro_torii
0
130
【TiDB GAME DAY 2025】Shadowverse: Worlds Beyond にみる TiDB 活用術
cygames
0
1.1k
急成長を支える基盤作り〜地道な改善からコツコツと〜 #cre_meetup
stefafafan
0
130
生まれ変わった AWS Security Hub (Preview) を紹介 #reInforce_osaka / reInforce New Security Hub
masahirokawahara
0
230
Featured
See All Featured
How GitHub (no longer) Works
holman
314
140k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
48
2.8k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
17
950
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
15
1.5k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
50k
Faster Mobile Websites
deanohume
307
31k
What's in a price? How to price your products and services
michaelherold
246
12k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
YesSQL, Process and Tooling at Scale
rocio
173
14k
Product Roadmaps are Hard
iamctodd
PRO
54
11k
Designing for Performance
lara
609
69k
Thoughts on Productivity
jonyablonski
69
4.7k
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