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
About Type Syntax Proposal
Search
Yosuke Kurami
May 14, 2022
Programming
1
2.1k
About Type Syntax Proposal
Yosuke Kurami
May 14, 2022
Tweet
Share
More Decks by Yosuke Kurami
See All by Yosuke Kurami
TypeScript LSP の今までとこれから
quramy
1
560
フロントエンドテストの育て方
quramy
12
3.4k
App Router 悲喜交々
quramy
8
620
上手に付き合うコンポーネントテスト
quramy
6
2.1k
Patched fetch did not work
quramy
6
690
GraphQL あるいは React における自律的なデータ取得について
quramy
18
5.3k
Next.js App Router
quramy
15
3.6k
Fragment Composition of GraphQL
quramy
16
4k
reg-viz VRT tools
quramy
4
1.4k
Other Decks in Programming
See All in Programming
プロダクト志向ってなんなんだろうね
righttouch
PRO
0
170
Is Xcode slowly dying out in 2025?
uetyo
1
240
ソフトウェア品質を数字で捉える技術。事業成長を支えるシステム品質の マネジメント
takuya542
0
390
生成AIコーディングとの向き合い方、AIと共創するという考え方 / How to deal with generative AI coding and the concept of co-creating with AI
seike460
PRO
1
350
0626 Findy Product Manager LT Night_高田スライド_speaker deck用
mana_takada
0
140
今ならAmazon ECSのサービス間通信をどう選ぶか / Selection of ECS Interservice Communication 2025
tkikuc
20
3.8k
Kotlin エンジニアへ送る:Swift 案件に参加させられる日に備えて~似てるけど色々違う Swift の仕様 / from Kotlin to Swift
lovee
1
260
関数型まつりレポート for JuliaTokai #22
antimon2
0
160
なぜ適用するか、移行して理解するClean Architecture 〜構造を超えて設計を継承する〜 / Why Apply, Migrate and Understand Clean Architecture - Inherit Design Beyond Structure
seike460
PRO
1
720
WebViewの現在地 - SwiftUI時代のWebKit - / The Current State Of WebView
marcy731
0
110
GraphRAGの仕組みまるわかり
tosuri13
8
510
Node-RED を(HTTP で)つなげる MCP サーバーを作ってみた
highu
0
120
Featured
See All Featured
ReactJS: Keep Simple. Everything can be a component!
pedronauck
667
120k
Building a Modern Day E-commerce SEO Strategy
aleyda
42
7.4k
The Cult of Friendly URLs
andyhume
79
6.5k
Stop Working from a Prison Cell
hatefulcrawdad
270
20k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
3.9k
Art, The Web, and Tiny UX
lynnandtonic
299
21k
Statistics for Hackers
jakevdp
799
220k
Reflections from 52 weeks, 52 projects
jeffersonlam
351
20k
For a Future-Friendly Web
brad_frost
179
9.8k
Designing Experiences People Love
moore
142
24k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
229
22k
Agile that works and the tools we love
rasmusluckow
329
21k
Transcript
5ZQF4DSJQU͕&$."4DSJQUʹ ؚ·ΕΔ͕དྷΔ͔ʂ
5ZQF4ZOUBY1SPQPTBM https://github.com/tc39/proposal-type-annotations
5ZQF4ZOUBY1SPQPTBM w .JDSP4PGU͕5$ʹఏग़ͨ͠Ҋ ݄ݱࡏ4UBHF https://devblogs.microsoft.com/typescript/a-proposal-for-type-syntax-in-javascript/
5ZQF4ZOUBY1SPQPTBM w τϥϯεύΠϧͤͣʹɺ UTϑΝΠϧΛ࣮ߦͰ͖ΔΑ͏ʹͳΔ w ʮϒϥβ͕ܕνΣοΫΛͯ͘͠ΕΔʯΘ͚Ͱͳ͍ w 5ZQF4ZOUBYͱ͋ΔΑ͏ʹɺ4ZOUBY จ๏ ͷ
w 4FNBOUJDT ҙຯ ʹҰ౿Έࠐ·ͳ͍
5ZQF4ZOUBY1SPQPTBM w +BWB4DSJQUΤϯδϯ: numberͷ෦ΛΓམͱ࣮ͯ͠ߦ͢Δ͚ͩ 5ZQF"OOPUBUJPO͕ਖ਼͍͔͠Ͳ͏͔ෆ w $ tsc --target
esnextͱಉ͜͡ͱΛ+BWB4DSJQUΤϯδϯଆ͕ͬͯ͘ ΕΔΠϝʔδ
จ๏͕ඪ४Խ͞ΕΔҙຯ 'PS5ZQF4DSJQU w 5ZQF4DSJQUຊՈʹͱͬͯ w 5ZQF4ZOUBY͕&$."4DSJQUʹؚ·ΕΔͱɺߏจͷՃʹඪ४Խϓϩη εΛ௨աͤ͞Δඞཁ͕ൃੜ͢ΔʢউखʹߏจΛมߋͰ͖ͳ͍ʣ w .JDSP4PGU͕ࣗ5ZQF4ZOUBYΛఏҊ͍ͯ͠Δͱ͍͏͜ͱɺ൴Β͕ࣗ ʮ5ZQF4DSJQUͷߏจेʹݻ·͖ͬͯͨʯͱߟ͍͑ͯΔূࠨʁ
จ๏͕ඪ४Խ͞ΕΔҙຯ SE1BSUZ5SBOTQJMFS w ۙར༻͕ͨΓલʹͳΓͭͭ͋ΔɺCBCFM TXD FTCVJMEͳͲͷSEύʔς ΟτϥϯεύΠϥ w ͜ΕΒͷπʔϧ5ZQF4DSJQU༻ͷߏจղੳثΛ࣮͍ͯ͠Δ w
จ๏ͷඪ४ԽʹΑΓɺ҆ఆͨ͠ߏจղੳ͕ߦ͑ΔΑ͏ʹͳΔ w Ϗϧυ༻ͷτϥϯεύΠϥʹٻΊΒΕ͍ͯΔͷʮܕΞϊςʔγϣϯͷআʯ ͚ͩ XFCQBDLճ͢ͱ͖ʹܕνΣοΫ͍Βͳ͍
Ͳ͏උ͑Δ͔ w ݱঢ়4UBHFͰ͋Γɺࠓ͙͢ϢʔβʔϥϯυͰͲ͏͜͏͢ΔͰͳ͍ w Ұ෦ͷϥϯλΠϜʹӨڹΛٴ΅͢จ๏ FHOBNFTQBDF FOVN FUD ʹ͍ͭ ͯɺ5ZQF1SPQPTBMͷൣғ֎ͱ͞Ε͍ͯΔ
w ʮ͜ΕΒͷػೳΛੵۃతʹΘͳ͍Α͏ʹ͓ͯ͘͠ʯͷΞϦ
5IBOLZPV