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
社内TypeScript勉強会を開催した話
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
hy094
September 08, 2022
Technology
580
0
Share
社内TypeScript勉強会を開催した話
hy094
September 08, 2022
More Decks by hy094
See All by hy094
20231220_FETechCafe_今年のフロントエンドの流行を語る
hy094
0
240
TypeScript勉強会
hy094
0
1.9k
Other Decks in Technology
See All in Technology
PdM・Eng・QAで進めるAI駆動開発の現在地/aidd-with-pdm-eng-qa
shota_kusaba
0
120
知ってた?JavaScriptの"正しさ"を検証するテストが5万以上もあること(Test262)
riyaamemiya
1
170
Every Conversation Counts
kawaguti
PRO
0
160
React 19×Rustツール 進化の「ズレ」を設計で埋める
remrem0090
1
100
新卒エンジニア研修、ハンズオンの設計における課題と実践知/ #tachikawaany
nishiuma
2
140
freeeで運用しているAIQAについて
qatonchan
0
400
Digital Independence: Why, When and How
wannesrams
0
300
『生成AI時代のクレデンシャルとパーミッション設計 — Claude Code を起点に』の執筆企画
takuros
3
2.3k
変化の激しい時代をゴキゲンに生き抜くために 〜ストレスマネジメントのススメ〜
kakehashi
PRO
4
1.2k
Forget technical debt
ufried
0
180
Shiny New Tools Won't Fix Your Problem
trishagee
1
110
AIが自律的に働く時代へ Amazon Quick で実現するAIエージェント紹介
koheiyoshikawa
0
190
Featured
See All Featured
The SEO Collaboration Effect
kristinabergwall1
1
440
Writing Fast Ruby
sferik
630
63k
Public Speaking Without Barfing On Your Shoes - THAT 2023
reverentgeek
1
380
Primal Persuasion: How to Engage the Brain for Learning That Lasts
tmiket
0
330
Designing Experiences People Love
moore
143
24k
The Mindset for Success: Future Career Progression
greggifford
PRO
0
330
What does AI have to do with Human Rights?
axbom
PRO
1
2.1k
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
The #1 spot is gone: here's how to win anyway
tamaranovitovic
2
1k
The Limits of Empathy - UXLibs8
cassininazir
1
320
Mozcon NYC 2025: Stop Losing SEO Traffic
samtorres
0
220
Leadership Guide Workshop - DevTernity 2021
reverentgeek
1
280
Transcript
ࣾTypeScriptษڧձΛ։࠵ͨ͠ ҏ౻ඩզ • 2022 9 ݄ 8 1
ࣗݾհ ҏ౻ ඩզʢͻΐ͏͕ʣ ߴߍ→େֶʢจܥʣ →20204݄ גࣜձࣾϥΫε৽ଔೖࣾ ݱࡏ ָָిࢠอଘͷϑϩϯτΤϯυΛ ओʹ։ൃ͍ͯ͠·͢ʂ 2
ܦҢ ςοΫϦʔυͷํ͔Βɺ ʮଞαʔϏεͷΤϯδχΞ(BEΤϯδχΞ)͕JavaSctipt͔ΒTypeSctipt ͷҠߦΛݕ౼͍ͯ͠ΔͷͰɺษڧձΛ։࠵ͯ͠΄͍͠ʯ ͱ͍ͬͨґཔ͕ࢲͱ1ޙഐT܅ͷ2ਓʹɻ 3 ීஈ͍ͬͯΔ͚Ͳɺ આ໌Ͱ͖ΔఔͰͳ͍ɾɾɾ
ࡾछͷਆث ݸਓత TypeScriptٕज़ॻ “ࡾछͷਆث” ࢿྉ࡞ͷࡍʹࢀߟʹ͍͖ͤͯͨͩ͞·ͨ͠ 1. ϓϩάϥϛϯάTypeScript 2. ϓϩΛࢦ͢ਓͷͨΊͷTypeScriptೖ 3.
αόΠόϧTypeScript 4
2िؒఔͰ্͛ͨɻ લΛࢲɺޙΛT܅ͱͷ୲Ͱ্͛ͨɻ ࣍ҎԼͷ௨ΓɻʢฐࣾϒϩάͰࢿྉશฤެ։͍ͯ͠·͢↓ʣ 5 https://tech-blog.rakus.co.jp/entry/20220822/typescript
։࠵ޙΞϯέʔτ ࢀՃऀͷ8ׂ͕TypeScript ໊લ͘Β͍͔͠Βͳ͍ or ಡΊ͢Δ ͱ͍ͬͨఔ શମతʹқదͳൣғͩͬͨͱࢥ͍·͢ 6
ࢀՃऀͷ(Ұ෦ൈਮ) - ͝આ໌ͷཻ͕େ͖͗ͣ͢খ͗ͣ͢͞ɺ࣌ؒͰTypeScriptʹର ͢Δཧղ͕άοͱਂ·Γ·ͨ͠ɻ͋Γ͕ͱ͏͍͟͝·͢ɻ - ϝϯόʔ͕࠷ॳʹཧղ͖͕͘͢ཏ͞Ε͍ͯͯ࠷ॳͷҰา ʹΑ͍ͱײͨ͡ - ڥߏஙʹ͍ͭͯ͏গ͠ਂ͘ฉ͍ͯΈ͔ͨͬͨͰ͢ɻ →
શମతʹʮྑ͔ͬͨʯͱͷ͕ଟ͔ͬͨͰ͢ɻ 7
͋Γ͖ͨΓͳײͰ͕͢ɺࣗͷֶͼʹͳͬͨษڧձͰͨ͠ɻ ࢿྉ࡞ʹͨͬͯΒͳ͍ߏจͳͲͷൃݟ͋Γ·ͨ͠ɻ →func?.()ʢΦϓγϣφϧνΣΠχϯάʣ ͰؔͷଘࡏνΣοΫͭͭ͠ݺͼग़͕͠Ͱ͖Δ ͳͲ ૯ׅ 8