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
Node.js v22 で変わること
Search
Yosuke Furukawa
PRO
April 24, 2024
Programming
13
4.7k
Node.js v22 で変わること
2024/04/24 令和トラベルで発表した Node.js v22 で変わることの話です。
Yosuke Furukawa
PRO
April 24, 2024
Tweet
Share
More Decks by Yosuke Furukawa
See All by Yosuke Furukawa
Module Harmony について
yosuke_furukawa
PRO
3
1.4k
LTのやり方
yosuke_furukawa
PRO
15
1.8k
AppRouter Panel Talk
yosuke_furukawa
PRO
3
620
リアーキテクトと開発生産性について
yosuke_furukawa
PRO
25
8.9k
JavaScript Server Runtime History
yosuke_furukawa
PRO
8
3.4k
tc39 x jsconf.jp Panel Discussion
yosuke_furukawa
PRO
0
1.5k
フロントエンドの開発生産性とは
yosuke_furukawa
PRO
18
10k
7 principles for rich web apps And how next.js achieves these principles
yosuke_furukawa
PRO
6
2.8k
Deep Dive International Conference
yosuke_furukawa
PRO
0
120
Other Decks in Programming
See All in Programming
Jetpack for KMP
fornewid
1
290
最古の関数型言語「Lisp」ことはじめ / lisp_in_kamiyama
uhooi
1
190
Composing an API the *right* way (Droidcon Berlin 2024)
zsmb
1
450
英語
s_shimotori
1
220
CSC307 Lecture 13
javiergs
PRO
0
150
Cloudflare Workers x AWS Lambdaの組み合わせユースケース / Cloudflare Workers x AWS Lambda Combination Use Case
seike460
PRO
2
310
ぼっちを避けて楽しむためのアノテコノテ / Various Tips and Tricks to Avoid Loneliness and Have Fun
nrslib
3
1.7k
実用的かつリーズナブルな 「Azure × Gemini × LINE」~キャラクターBot 実装ライブデモ~
tomodo_ysys
1
170
今こそ始める、CDKコンストラクトライブラリ開発 ― 入門から実践まで
tmokmss
1
930
The rollercoaster of releasing an Android, iOS, and macOS app with Kotlin Multiplatform | droidcon Berlin
prof18
0
110
小さな開発会社を作った理由
polidog
0
1.9k
CSC307 Lecture 05
javiergs
PRO
0
210
Featured
See All Featured
Facilitating Awesome Meetings
lara
46
5.8k
A Philosophy of Restraint
colly
200
16k
Statistics for Hackers
jakevdp
792
220k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
155
14k
Documentation Writing (for coders)
carmenintech
63
4.2k
Thoughts on Productivity
jonyablonski
64
4.1k
Unsuck your backbone
ammeep
666
57k
Building Flexible Design Systems
yeseniaperezcruz
323
37k
How GitHub Uses GitHub to Build GitHub
holman
471
290k
How to name files
jennybc
67
96k
Building Effective Engineering Teams - LeadDev
addyosmani
47
2.2k
Happy Clients
brianwarren
94
6.5k
Transcript
Node.js v22 ͰมΘΔ͜ͱ 2024/4/24 @ ྩτϥϕϧ
X: @yosuke_furukawa Github: yosuke-furukawa
Node.js v21 => v22 ͰมΘͬͨ͜ͱΛ· ͱΊ·͢
໔ • v21 Ͱ͢ͰʹೖͬͯΔͷؚΈ·͢ • 21 ͱ 22 Major
Version up Ͱ͋ΓɺػೳͷՃ Minor Version up Ͱ͢ͰʹߦΘΕͯΔͷଟ͍ͨΊ
1ݸ!!!
Ϛείοτര
Ϛείοτ
Ϛείοτ • ࣮ੲ͔ΒϚείοτΩϟϥΫλʔͱͯ͠ΧϝͱϩέοτͷΞ ΠσΞ͋ͬͨɻ
αΫαΫߦ͘Αʂ2ݸ!!!
require(ESM)
require(ESM) • ͜Ε·Ͱͷঢ়گ • Node.js ٴͼ JS ʹ̎ͭͷmodule load ํ͕ࣜ͋Δ
• ESM ͱ CJS • ैདྷ͋ͬͨͷ͕ CJS, 2015Ҏ߱ʹͰ͖ͨͷ͕ESM • ESM ͔Β CJS ಡΊ͕ͨɺٯͷCJS͔ΒESMΛಡΉ͜ͱ͕Ͱ͖ͳ͔ͬͨ
require(ESM) • ྫ͑ΔͳΒɺ USB-C ͱ USB-A Έ͍ͨͳɾɾɾʁ • USB-CରԠσόΠε USB-CɺUSB-A྆ํରԠͰ͖ΔʢΞμϓλചͬͯΔ͠ɺن֨
తʹೝΊΒΕͯΔʣ • USB-AରԠσόΠεUSB-C͔Βܨ͛ͳ͍ɻʢΞμϓλചͬͯΔ͚Ͳɺن֨֎ͰೝΊ ΒΕͯͳ͍ʣ • CରԠ AରԠ AରԠ CରԠ
require(ESM) • ͖݅Ͱ CJS => ESM ೝΊΔ͜ͱʹͳͬͨ • ͖ͬ͞ͷྫͰݴ͑ɺ USB-A
σόΠε͔Β USB-C ͷม͕ ن্֨ೝΊΒΕΔΑ͏ʹͳͬͨɻ • ݅͋ΔɺதͰ top-level-await Λ͍ͯ͠Δͱμϝ • USB-A=>USB-CUSB-Cͷಠࣗػೳ͑ͳ͍ͷͱಉ͡
require(ESM) • --experimental-require-moduleϑϥά͕ࠓඞཁ • ͭ·Γ·࣮ͩݧஈ֊ • ࠓޙϑϥάແ͠Ͱ͑ΔΑ͏ʹ͍ͯ͘͠༧ఆ
3ݸʂʂʂ
v8 Maglev
v8 Maglev • v8 ͱ͍͏ JavaScript ࣮ߦΤϯδϯ͕มΘͬͨɻ • Just In
Time Compiler ʹ֊͕͋Δɻ • ࠓ·Ͱ Ignition, Sparkplug, TurboFan ͷ3ͩͬͨͷ͕ɺ4ʹ ͳͬͨɻ Ignition, Sparkplug, Maglev, TurboFan
v8 Maglev • ઈͬ͘͟Γݴ͏ͱ: • 3ஈมΪΞ͔Β4ஈมΪΞʹมΘͬͨ • ΪΞ͕૿͑Δ㲈͍ΖΜͳہ໘ʹରԠͰ͖Δ • ݁Ռɺੑೳ໘Ͱશମతʹߴʹɻ
v8 Maglev • Node.js ͷதͰݴ͏ͱɺServer Side ͷվળͱ͍͏ΑΓCLIΈ ͍ͨͳγϣʔτλΠϜͰ͏Α͏ͳΞϓϦέʔγϣϯͰվળ͞ ΕͯΔɻ •
tsc ࣮ߦ, linter, formatter etc
4ݸʂʂʂ
node --run
node --run • npm run hogehoge Ͱ࣮ߦ͍ͯͨ͠ script ࣮ߦʹ৽͍͠ํ๏͕ ೖͬͨɻ
• node --run hogehoge Ͱ࣮ߦՄೳ • ͜ΕʹΑΓɺ npm ্ཱͪ͛·Ͱͷىಈ࣌ؒΛݮΒͯ͠ύ ϑΥʔϚϯεվળͰ͖ΔΑ͏ʹͳ͍ͬͯΔɻ
node --run • npm run test ΑΓ node --run test
ͷํ͕͍ͬͯ͜ͱ • దͳڥͰ࣮ߦͨ݁͠Ռͩͱ100msલޙ͍ɻ
5ݸʂʂʂ
fs.glob, fs.globSync
fs.glob,fs.globSync import { glob } from 'node:fs/promises'; for await (const
entry of glob('**/*.mjs')) { console.log(entry); } // foo.mjs // bar/baz.mjs // hoge/fuga/piyo.mjs
͜Μͳײ͡Ͱ
Node.js v22 • ৭ʑϦϦʔε͞ΕͯΔ͚Ͳɺجຊͦ͜·Ͱ৽͍͠ͷͰͳ ͍ɻ • خ͍͠ͷଟ͍ɻΑΓྑ͘͢ΔͨΊͷεςοϓόΠεςοϓͷ ਐԽ͕خ͍͠ɻ • ֵ৽తͳਐԽͰͳ͘ɺਐతͳਐԽ