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
Strip Types と Storage
Search
Yosuke Furukawa
PRO
August 08, 2024
Programming
4
420
Strip Types と Storage
東京Node学園 43時限目で発表した Strip Types と Storage の話です。
Yosuke Furukawa
PRO
August 08, 2024
Tweet
Share
More Decks by Yosuke Furukawa
See All by Yosuke Furukawa
デザインシステムが必須の時代に
yosuke_furukawa
PRO
1
30
Node.js, Deno, Bun 最新動向とその所感について
yosuke_furukawa
PRO
10
4k
Welcome JSConf.jp 2024
yosuke_furukawa
PRO
1
4.2k
tc39 x jsconf.jp Panel Discussion 2024
yosuke_furukawa
PRO
0
240
Removing Corepack
yosuke_furukawa
PRO
9
1.6k
JavaScript Runtime とはなにか
yosuke_furukawa
PRO
15
2.8k
Module Harmony について
yosuke_furukawa
PRO
3
1.7k
LTのやり方
yosuke_furukawa
PRO
16
2.6k
AppRouter Panel Talk
yosuke_furukawa
PRO
3
820
Other Decks in Programming
See All in Programming
AIコーディングエージェント全社導入とセキュリティ対策
hikaruegashira
16
9.5k
中級グラフィックス入門~効率的なメッシュレット描画~
projectasura
4
2.5k
自作OSでDOOMを動かしてみた
zakki0925224
1
840
Constant integer division faster than compiler-generated code
herumi
2
410
Flutter로 Gemini와 MCP를 활용한 Agentic App 만들기 - 박제창 2025 I/O Extended Seoul
itsmedreamwalker
0
110
DynamoDBは怖くない!〜テーブル設計の勘所とテスト戦略〜
hyamazaki
0
180
AIに安心して任せるためにTypeScriptで一意な型を作ろう
arfes0e2b3c
0
330
React 使いじゃなくても知っておきたい教養としての React
oukayuka
18
5.4k
AIのメモリー
watany
12
1.3k
Comparing decimals in Swift Testing
417_72ki
0
160
プロダクトという一杯を作る - プロダクトチームが味の責任を持つまでの煮込み奮闘記
hiliteeternal
0
420
PHPカンファレンス関西2025 基調講演
sugimotokei
6
1.1k
Featured
See All Featured
Building an army of robots
kneath
306
45k
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.8k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
3k
Raft: Consensus for Rubyists
vanstee
140
7.1k
Keith and Marios Guide to Fast Websites
keithpitt
411
22k
Code Review Best Practice
trishagee
69
19k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
49
3k
Practical Orchestrator
shlominoach
190
11k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
161
15k
Large-scale JavaScript Application Architecture
addyosmani
512
110k
The Cult of Friendly URLs
andyhume
79
6.5k
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
Transcript
strip types ͱ storage Yosuke Furukawa @tng43 2024/8/8
X: @yosuke_furukawa GitHub: yosuke-furukawa
CFP ืूதʂʂʂʂʂ
strip types / storage • Node.js ͷ৽͍͠ػೳ͕2ͭՃ͞Εͨ • strip types
v22.6.0 ~ • storage v22.4.0 ~
strip types • ܕΛιʔείʔυ͔ΒҾ͖ൈ͍ͯ TypeScript ϑΝΠϧΛ JavaScript ϑΝΠϧ ʹมͨ͠͏͑Ͱ࣮ߦ͢Δͱ͍͏ͷ •
͜ΕͰ TypeScript ͷϑΝΠϧΛʢҰఆͷ੍݅Խʹ͓͍ͯʣͦͷ··࣮ ߦͰ͖ΔΑ͏ʹͳͬͨɻ • Ұఆ݅: enum, namespace, decorator ͳͲͷػೳʹؔͯ͠ܕΛऔΓআ͘ ͚ͩͰͳ͘ɺผίʔυΛੜ͢ΔͷͳͷͰ͜͜Ͱαϙʔτର֎
strip types • ͜ͷ݅ʹରͯ͠ͷҰਓࢍ൱ • ࢍ • ૉΒ͍͠ʂʂʂʂ TypeScript ࠷ߴʂʂʂʂ
• ͬͺΓͶɺͦͷ··ಈ͘ͷͬͯྑ͍ΑͶ • Bun, Deno ͱ͔ಉ͡ػೳΛఏڙͯ͠Δ͠ɺ͜ΕͰTypeScriptαϙʔτ Ͱʮ͋Ε͕Ͱ͖ͳ͍ɺ͜Ε͕Ͱ͖ͳ͍ʯͱݴΘΕΔ͜ͱ͕ͳ͍Ͷ
strip types • ͜ͷ݅ʹରͯ͠ͷҰਓࢍ൱ • ൱ • ʮͨͩ͊ʔʔʔʔʔʂʂʂʯ • ʮ͍ɺܕνΣοΫ͕ͳ͍ͷʹTypeScriptαϙʔτͱ͔ݴͬͯྑ͍Θ͚
ແ͍ͩΖʯ • ͪͳΈʹɺtscon f igͱ͔·ͩͳ͍ɻ
strip types • ͜ͷ݅ʹରͯ͠ͷҰਓࢍ൱ • ࢍ • ͍ͰɺDenoBunҰԠstrip͢Δ͚ͩͰ͢Αɻ • Node.jsͦΕ͚ͩͰ͍͍ͷͰʁ
• ※ ݫີʹݴ͏ͱDenoνΣοΫΦϓγϣϯͰͯ͘͠ΕΔ
strip types • ͜ͷ݅ʹରͯ͠ͷҰਓࢍ൱ • ൱ • tscon f ig.json͕αϙʔτ͞Εͳ͍ͬͯɺඍົͳͱ͜ΖͰಈ͔ͳ͔ͬͨΓ͢
ΔͰʁ • ֦ுࢠɺϑΝΠϧύεɻɻɻ • ͋ͱ tsc ͰͷνΣοΫ͕ͳ͍ͷʹ TS αϙʔτͬͯ • ݴͬͪΌ͏ͷݫ͍ͬͯ͠
strip types • uhyo ͞ΜͷεϥΠυͷ͜ͷลΓΛࢀߟʹɻ https://speakerdeck.com/uhyo/tscon f ig-dot-jsonnoshe-ding-wojian-zhi-sou- hurontoendoxiang-ke-2024xia
strip types • TypeScript αϙʔτ͍ͬͯ͏ݴ༿৻ॏʹʂʂʂ // DEMO interface Point {
x: number; y: number; } function logPoint(p: Point) { console.log(`${p.x}, ${p.y}`); } // logs "12, 26" const point = { x: 12, y: 26 }; logPoint(point); // node --experimental-strip-types foo.ts
storage • local storage • session storage • sqlite •
͜ΕΒ͕ೖͬͨ
storage // ͜Μͳͷ͕ಈ͘ localStorage.setItem("foo", 1); console.log(localStorage.getItem("foo")); // node --experimental-webstorage --local-
storage-file="hoge"
storage • ͜ͷ݅ʹରͯ͠ͷҰਓࢍ൱ • ࢍ • ศརͦ͏ʂʂʂʂʂ • ͬͺͶɺbrowserͱͷޓੑΛ্͛ΔͷNode.jsʹͱͬͯॏཁͩΑ Ͷʂʂʂʂ
• ؆୯ʹϑΝΠϧΛอଘͰ͖ΔΑ͏ʹͳΔͷ࠷ߴʂʂ
storage • ͜ͷ݅ʹରͯ͠ͷҰਓࢍ൱ • ൱ • ʮͨͩ͊͋͋͋͋͋ʔʔʔʔʔʂʂʂʂʂʯ • ʮ͍͍͍͍͍ΒͶ͑͑͑͑͑͑͑͑͑͑͑͑͑͑ʂʂʂʂʂʂʯ •
syncͰอଘ͞ΕΔσʔλʹྑ͞Λશ͘ײ͡ͳ͍ • ·ͩasyncʹͳΔͳΒΘ͔ΔɻͰͦΕͳΒશ͘ผͷ֓೦Ͱ AsyncLocalStorage ͱ͍͏API͕͋Γɺ༻ҙ͠Α͏ʹطʹऔΒΕͯΔɻ(※Θ͔Γʹ͍͘ͱࢦఠ͕͋ͬ ͨͨΊه)
storage • ͜ͷ݅ʹରͯ͠ͷҰਓࢍ൱ • ࢍ • ͑ɺͰBunsqlite࠷ॳ͔Βೖͬͯ·͢Α • cloud f
lare workersͱ͔ʹKV Storage͕͋Δ • खܰʹ͑ΔετϨʔδ΄͍͠Ͱ͠ΐʁ
storage • ͜ͷ݅ʹରͯ͠ͷҰਓࢍ൱ • ൱ • खܰʹϑΝΠϧʹอଘͰ͖Δࣄ͕ϒϩοΩϯάͳAPIʹͳΓɺͦΕ͕ ͔ͩͬͨΒNode.jsඇಉظΛத৺ʹൃల͖ͯͨ͠ͷͰͳ͍͔ • localStorageͱ͔͘ɺsessionStorageͷsessionͨͩͷάϩʔόϧ
ϝϞϦͳͷͰɺάϩʔόϧมͱಉٛͰʁϝϞϦϦʔΫʁʁʁ
storage • ҙݟ • ͍ΒͶʔͱࢥ͕ͬͨɺԿχʔζ͕ͳ͍Θ͚Ͱͳ͍ • ಛʹͳΜͱͳ͘࠷ۙखܰετϨʔδͱͯ͠sqliteΛ࠾༻͢ΔྲྀΕ͕૿͑ͯ Δ • ݸਓతʹΘͳ͍͕ɺͦ͏͍͑͜͏͍͏ͷ͋ͬͨͳͱೝ͓ࣝͯ͘͠
ͱɺͳΜ͔͋ͬͨ࣌ʹΤεέʔϓϋονతʹ͑Δ͔͠Εͳ͍
Node.jsʹݶΒͣ • զʑ৽͍༷͠ɺ৽͍͠ػೳ͕ग़ͯ͘Δͨͼʹʮ΄͍͠ʯͱࢥͬͨΓʮ͍ Βͳ͍ʯͱࢥͬͨΓ͢Δ • ༷Ճ͢Δͷ؆୯Ͱɺӡ༻͢Δͷେมɺআ͢Δͷͬͱେม • ͔ͩΒ৻ॏʹͳΔɺࠓՃ͞ΕͯΔͷશ෦ experimental Ͱ͋Δɻ
• Ճ͞Ε͚ͨͩͰ͜Ε͕߃ٱతʹαϙʔτ͞ΕΔͱࢥͬͯΘΕ͗͢ ͪΌ͏͜ͱ • Ұ୴ͬͯΈͯཧղ͢Δʹͳ͍
Node.jsʹݶΒͣ • ͜Εͬͯ Node.js ʹݶΒͳ͍ • ৭Μͳͱ͜ΖͰى͖ͯΔɺwebͦ͏ͩ͠ɺϑϨʔϜϫʔΫͦ͏ɻ • ͜͏͍͏ͷʹৼΓճ͞Εଓ͚ΔͱɹJavaScript Fatigue
ͱݺΕΔɻ
Node.jsʹݶΒͣ • State of JS 2024 ͷ಄ʹॻ͍ͯ͋Δ • ΒͣͬͱϑϨʔϜϫʔΫΤίγεςϜʹৼΓճ͞ΕͯΔ •
ͦΕΛࢦͯ͠ fatigueʢർฐʣ ʹؕΔ͜ͱ͋Δ • ͨͩͦ͏͍͏ early adapter Λ͏ඞཁͳ͍ • ࣗͨͪͷϖʔεͰ͏͜ͱ͕ॏཁͳΜͩ