Upgrade to Pro — share decks privately, control downloads, hide ads and more …

About Type Syntax Proposal

Avatar for Yosuke Kurami Yosuke Kurami
May 14, 2022
Programming
1
2.1k

About Type Syntax Proposal

Avatar for Yosuke Kurami

Yosuke Kurami

May 14, 2022
Tweet

More Decks by Yosuke Kurami

See All by Yosuke Kurami
TypeScript LSP の今までとこれから
Avatar for Yosuke Kurami quramy
1
980
フロントエンドテストの育て方
Avatar for Yosuke Kurami quramy
12
3.5k
App Router 悲喜交々
Avatar for Yosuke Kurami quramy
8
630
上手に付き合うコンポーネントテスト
Avatar for Yosuke Kurami quramy
6
2.1k
Patched fetch did not work
Avatar for Yosuke Kurami quramy
6
700
GraphQL あるいは React における自律的なデータ取得について
Avatar for Yosuke Kurami quramy
18
5.4k
Next.js App Router
Avatar for Yosuke Kurami quramy
15
3.7k
Fragment Composition of GraphQL
Avatar for Yosuke Kurami quramy
16
4.1k
reg-viz VRT tools
Avatar for Yosuke Kurami quramy
4
1.5k

Other Decks in Programming

See All in Programming
Constant integer division faster than compiler-generated code
Avatar for herumi herumi
2
670
Google I/O recap web編 大分Web祭り2025
Avatar for kponda kponda
0
2.9k
Vibe coding コードレビュー
Avatar for kinopee kinopeee
0
450
Scale out your Claude Code ~⁨⁩自社専用Agentで10xする開発プロセス~
Avatar for Yuku Kotani yukukotani
9
2.3k
生成AI、実際どう？ - ニーリーの場合
Avatar for Nealle nealle
0
140
STUNMESH-go: Wireguard NAT穿隧工具的源起與介紹
Avatar for Date Huang tjjh89017
0
380
フロントエンドのmonorepo化と責務分離のリアーキテクト
Avatar for Takuma Kajikawa kajitack
2
120
エンジニアのための”最低限いい感じ”デザイン入門
Avatar for しゅん🌙 shunshobon
0
120
Claude Code と OpenAI o3 で メタデータ情報を作る
Avatar for laket laket
0
130
管你要 trace 什麼、bpftrace 用下去就對了 — COSCUP 2025
Avatar for shunghsiyu shunghsiyu
0
430
AIエージェント開発、DevOps and LLMOps
Avatar for Kento.Yamada ymd65536
1
240
新しいモバイルアプリ勉強会（仮）について
Avatar for 上ちょ / uetyo uetyo
1
260

Featured

See All Featured
Intergalactic Javascript Robots from Outer Space
Avatar for Vicent Martí tanoku
272
27k
Adopting Sorbet at Scale
Avatar for Ufuk Kayserilioglu ufuk
77
9.5k
Documentation Writing (for coders)
Avatar for Carmen Chung carmenintech
73
5k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
Avatar for Tammy Everts tammyeverts
8
470
Side Projects
Avatar for Sacha Greif sachag
455
43k
A Tale of Four Properties
Avatar for Chris Coyier chriscoyier
160
23k
RailsConf 2023
Avatar for Aaron Patterson tenderlove
30
1.2k
Statistics for Hackers
Avatar for Jake VanderPlas jakevdp
799
220k
XXLCSS - How to scale CSS and keep your sanity
Avatar for Zaharenia Atzitzikaki sugarenia
248
1.3M
Fight the Zombie Pattern Library - RWD Summit 2016
Avatar for Marcelo Somers marcelosomers
234
17k
Raft: Consensus for Rubyists
Avatar for Patrick Van Stee vanstee
140
7.1k
How to train your dragon (web standard)
Avatar for Monica Dinculescu notwaldorf
96
6.2k

Transcript

  1. 5ZQF4DSJQU͕&$."4DSJQUʹ ؚ·ΕΔ೔͕དྷΔ͔΋ʂ  

  2. 5ZQF4ZOUBY1SPQPTBM   https://github.com/tc39/proposal-type-annotations

  3. 5ZQF4ZOUBY1SPQPTBM w .JDSP4PGU͕5$ʹఏग़ͨ͠૲Ҋ ೥݄ݱࡏ͸4UBHF   https://devblogs.microsoft.com/typescript/a-proposal-for-type-syntax-in-javascript/

  4. 5ZQF4ZOUBY1SPQPTBM w τϥϯεύΠϧͤͣʹɺ UTϑΝΠϧΛ࣮ߦͰ͖ΔΑ͏ʹͳΔ w ʮϒϥ΢β͕ܕνΣοΫΛͯ͘͠ΕΔʯΘ͚Ͱ͸ͳ͍ w 5ZQF4ZOUBYͱ͋ΔΑ͏ʹɺ4ZOUBY จ๏ ͷ࿩

    w 4FNBOUJDT ҙຯ ʹ͸Ұ੾౿Έࠐ·ͳ͍  

  5. 5ZQF4ZOUBY1SPQPTBM w +BWB4DSJQUΤϯδϯ͸: numberͷ෦෼Λ੾Γམͱ࣮ͯ͠ߦ͢Δ͚ͩ 5ZQF"OOPUBUJPO͕ਖ਼͍͔͠Ͳ͏͔͸ෆ໰  w $ tsc --target

    esnextͱಉ͜͡ͱΛ+BWB4DSJQUΤϯδϯଆ͕΍ͬͯ͘ ΕΔΠϝʔδ  

  6. จ๏͕ඪ४Խ͞ΕΔҙຯ 'PS5ZQF4DSJQU w 5ZQF4DSJQUຊՈʹͱͬͯ w 5ZQF4ZOUBY͕&$."4DSJQUʹؚ·ΕΔͱɺߏจͷ௥Ճʹඪ४Խϓϩη εΛ௨աͤ͞Δඞཁ͕ൃੜ͢ΔʢউखʹߏจΛมߋͰ͖ͳ͍ʣ w .JDSP4PGUࣗ਎͕5ZQF4ZOUBYΛఏҊ͍ͯ͠Δͱ͍͏͜ͱ͸ɺ൴Βࣗ਎͕ ʮ5ZQF4DSJQUͷߏจ͸े෼ʹݻ·͖ͬͯͨʯͱߟ͍͑ͯΔূࠨʁ

     

  7. จ๏͕ඪ४Խ͞ΕΔҙຯ SE1BSUZ5SBOTQJMFS w ۙ೥ར༻͕౰ͨΓલʹͳΓͭͭ͋ΔɺCBCFM TXD FTCVJMEͳͲͷSEύʔς ΟτϥϯεύΠϥ w ͜ΕΒͷπʔϧ͸5ZQF4DSJQU༻ͷߏจղੳثΛ࣮૷͍ͯ͠Δ w

    จ๏ͷඪ४ԽʹΑΓɺ҆ఆͨ͠ߏจղੳ͕ߦ͑ΔΑ͏ʹͳΔ w Ϗϧυ༻ͷτϥϯεύΠϥʹٻΊΒΕ͍ͯΔͷ͸ʮܕΞϊςʔγϣϯͷ࡟আʯ ͚ͩ XFCQBDLճ͢ͱ͖ʹܕνΣοΫ͸͍Βͳ͍  

  8. Ͳ͏උ͑Δ͔ w ݱঢ়͸4UBHFͰ͋Γɺࠓ͙͢ϢʔβʔϥϯυͰͲ͏͜͏͢Δ࿩Ͱ͸ͳ͍ w Ұ෦ͷϥϯλΠϜʹӨڹΛٴ΅͢จ๏ FHOBNFTQBDF FOVN FUD ʹ͍ͭ ͯ͸ɺ5ZQF1SPQPTBMͷൣғ֎ͱ͞Ε͍ͯΔ

    w ʮ͜ΕΒͷػೳΛੵۃతʹ࢖Θͳ͍Α͏ʹ͓ͯ͘͠ʯͷ͸ΞϦ  

  9. 5IBOLZPV