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
470
フロントエンドテストの育て方
quramy
12
3.3k
App Router 悲喜交々
quramy
8
610
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
680
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
3.9k
reg-viz VRT tools
quramy
4
1.4k
Other Decks in Programming
See All in Programming
Prism.parseで 300本以上あるエンドポイントに 接続できる権限の一覧表を作ってみた
hatsu38
1
110
"使いづらい" をリバースエンジニアリングする UI の読み解き方
rebase_engineering
0
130
社内での開発コミュニティ活動とモジュラーモノリス標準化事例のご紹介/xPalette and Introduction of Modular monolith standardization
m4maruyama
0
110
衛星の軌道をWeb地図上に表示する
sankichi92
0
260
Webからモバイルへ Vue.js × Capacitor 活用事例
naokihaba
0
420
単体テストの始め方/作り方
toms74209200
0
370
Use Perl as Better Shell Script
karupanerura
0
680
Passkeys for Java Developers
ynojima
2
800
Spring gRPC で始める gRPC 入門 / Introduction to gRPC with Spring gRPC
mackey0225
2
450
iOSアプリ開発もLLMで自動運転する
hiragram
6
2.3k
💎 My RubyKaigi Effect in 2025: Top Ruby Companies 🌐
yasulab
PRO
1
130
無関心の谷
kanayannet
0
140
Featured
See All Featured
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
Designing for Performance
lara
609
69k
Statistics for Hackers
jakevdp
799
220k
RailsConf 2023
tenderlove
30
1.1k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.3k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
How to Think Like a Performance Engineer
csswizardry
24
1.7k
The Cult of Friendly URLs
andyhume
79
6.4k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
657
60k
Building a Modern Day E-commerce SEO Strategy
aleyda
41
7.3k
It's Worth the Effort
3n
184
28k
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.8k
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