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
光を超えるためのフロントエンドアーキテクチャ
Search
Koutarou Chikuba
November 25, 2018
Programming
84
21k
光を超えるためのフロントエンドアーキテクチャ
HTML5 Conference 11/25
Koutarou Chikuba
November 25, 2018
Tweet
Share
More Decks by Koutarou Chikuba
See All by Koutarou Chikuba
極限環境で最終ビルドを絞るためのフロントエンド設計
mizchi
14
4.6k
Server Side JavaScript のためのバンドル最適化
mizchi
5
6.3k
V8 as a container on CDN Edge worker
mizchi
6
1.8k
Edge Side Frontend という新領域
mizchi
34
14k
バンドル最適化マニアクス at tfconf
mizchi
7
4.1k
「たかがJavaScript」のその先 #TECHPLAY
mizchi
47
20k
Deno Node 両刀
mizchi
6
2.3k
「フロントエンド領域」を再定義する
mizchi
50
35k
ServiceWorkerSideReactServerSideRendering
mizchi
5
830
Other Decks in Programming
See All in Programming
オートマトン学習しろ / Do automata learning
makenowjust
3
100
Polars を Kaggle コンペで使ってみた(LMSYS Chatbot Arena)
kohecchi
1
360
iOSの隠されたAPIを解明し、開発効率を向上させる方法/iOSDC24
noppefoxwolf
2
120
仮想ファイルシステムを導入して開発環境のストレージ課題を解消する
segadevtech
2
390
デザインシステムとコンポーネント指向によるフロントエンド開発プロセスの革新 / Innovation in Frontend Development Processes through Design Systems and Component-Oriented Architecture
nrslib
7
5k
【TID2024】模擬講義:プログラマと一緒にゲームをデザインしてみよう!
akatsukigames_tech
0
380
iOSDC 2024 SMBファイル共有をSwiftで実装する
kishikawakatsumi
1
110
長期運用プロダクトの開発速度を維持し続けるためのリファクタリング実践例
wataruss
8
2.5k
Ebitengineの1vs1ゲーム WebRTCの活用
ponyo877
0
330
LangGraphでのHuman-in-the-Loopの実装
os1ma
3
550
The Sequel to a Dream of Ruby Parser's Grammar
ydah
1
180
令和トラベルにおけるLLM活用事例:社内ツール開発から得た学びと実践
ippo012
0
110
Featured
See All Featured
4 Signs Your Business is Dying
shpigford
179
21k
Visualization
eitanlees
142
15k
The Mythical Team-Month
searls
218
43k
No one is an island. Learnings from fostering a developers community.
thoeni
18
2.9k
Designing for Performance
lara
604
68k
Principles of Awesome APIs and How to Build Them.
keavy
125
16k
Clear Off the Table
cherdarchuk
90
320k
Reflections from 52 weeks, 52 projects
jeffersonlam
346
20k
The Cost Of JavaScript in 2023
addyosmani
39
5.1k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
42
2k
A Modern Web Designer's Workflow
chriscoyier
690
190k
[RailsConf 2023] Rails as a piece of cake
palkan
44
4.6k
Transcript
ޫΛ͑ΔͨΊͷ ϑϩϯτΤϯυΞʔΩςΫνϟ @MIZCHI / HTML5 CONFERENCE
ABOUT ▸@mizchi / അޫଠ ▸ϑϦʔϥϯεΤϯδχΞ ▸ϑϩϯτΤϯυઐ ▸React / Node.js /
SPA / PWA
͓ॻ͖ ▸16msҎ্ͷੈք ▸Cache Aware ͳઃܭ ▸16msະຬͷੈք ▸ϚΠΫϩνϡʔχϯά ▸ઃܭύλʔϯ
ࠓ͢͜ͱ ▸ϑϩϯτΤϯυͷΩϟογϡઃܭ ▸ϚΠΫϩνϡʔχϯάࢦ ▸ϦονΫϥΠΞϯτͷύϑΥʔϚϯε
ࠓ͞ͳ͍͜ͱ ▸ϑϨʔϜϫʔΫґଘͷ ▸React / Vue / Angular / etc ▸αʔόʔͰͷ֤छ࣮ߦίετ
▸σʔλϕʔεͷΫΤϦίετͳͲ
େલఏ
͜ͷӉͰ
ޫ͕͗͢Δʂ
ޫ͕͗͢Δ ▸ࠃ: 20ms~ ▸ΞϝϦΧւ؛: 120ms~ ▸Ϥʔϩού: 260ms~
ϋʔυΣΞͷੑೳ ▸ҰൠతͳσΟεϓϨΠ: 60~144Hz ▸VRΰʔάϧ: 90~ Hz ▸ώτͷ֮: 70~100Hz ※ ϑϦοΧʔ༥߹ස:
https://ja.wikipedia.org/wiki/ϑϦοΧʔ
ϑϩϯτΤϯυٕज़ͷత ▸খ͍͞είʔϓ: ϦονΫϥΠΞϯτٕ ज़ʹΑΓɺ(෦తʹ) 60fps Λୡ͢Δ ▸େ͖ͳείʔϓ: ௨৴ΛؚΊͯɺͦͷ ԆɾϖΠϩʔυΛՄೳͳݶΓ͑Δ
16MS Ҏ্ͷੈք
ԆΛྨ͢Δ ▸~16ms: ϦΞϧλΠϜ ▸50~100ms: ϑΟʔυόοΫΛҙࣝ ▸300~ms: ͍ͱײ͡Δ ▸1000~ms: ͍ɺෆຬ RAILϞσϧͰύϑΥʔϚϯεΛܭଌ͢Δ
- https://developers.google.com/web/fundamentals/performance/ rail?hl=ja
None
DEV.TO ͕ڭ͑ͯ͘ΕΔ(֖ͳ͍)ࣄ࣮ ▸ߏஙࡁΈHTMLΛCDN EdgeͰฦ͢ͱ͍ ▸ཪͰઌಡΈ͓ͯ͘͠ͱ͍ ▸(͜ͷࡍɺαʔόʔΞʔΩςΫνϟਖ਼ ԿͰ͍͍ɻ౸ୡ͠ͳ͍)
CLIENT SERVER CDN 50~ms 100~1000 ms ཧత࣮ମ
ͳͥطଘͷΞϓϦ͍͔ ▸CDN Edge ݡ͘ͳ͍(ਫ਼ʑ KVS+α ) ▸Ωϟογϡͱͦͷഁغຊ࣭తʹ͍͠ ▸(αʔόʔத৺ͷੈք؍ͩͱ͜͏͍͏ղऍ ʹͳΒͳ͍)
CACHE AWARE ͳઃܭ
CLIENT SERVER CLIENT - SERVER
CLIENT SERVER EDGE CLIENT - EDGE - SERVER
CLIENT SERVER DATABASE KVS INDEXED DB LOCAL STORAGE JAVASCRIPT STATE
EDGE EDGE CACHE EDGE WORKER BROWSER CACHE SERVICE WORKER CACHE 20~30ms 10~100ms ~μs 1~ms 5~ms (query cost) CLIENT - EDGE - SERVER WITH CACHE
CLIENT SERVER EDGE EDGE CACHE SERVICE WORKER CACHE CI invalidate
deploy ▸ ϦϦʔε͝ͱʹΩϟογϡ ഁغ(ҙ) ▸ ߋ৽ܥͰґଘ͢ΔΩϟο γϡΛഁغ ▸ ΫϥΠΞϯτURLΛ Ωʔʹ֤ϨΠϠʔͷΩϟο γϡΛ͍߹ΘͤΔ ▸ Ωϟογϡ͕ͳ͚Εಈ తʹੜ cache set Ωϟογϡઓུ DEVELOPPER push
CLIENT SERVER EDGE EDGE CACHE SERVICE WORKER CACHE ▸ ྫ:
ॳճ ▸ /items/123 ͕΄͍͠! ▸ αʔόʔͰ /items/123 ͷ HTML Λ render ▸ Edge Cache ʹอଘ ▸ HTML Λ ฦ٫ cache set
CLIENT EDGE EDGE CACHE SERVICE WORKER CACHE ▸ ྫ: ೋճҎ߱
▸ /items/123 ͕΄͍͠! ▸ Edge Cache ͔Β HTML Λฦ٫ ▸ (Service Worker ʹ ΩϟογϡΛ͍࣋ͬͯ ΕɺͦΕΛ༏ઌ) 1~ms 20~ms
CLIENT SERVER EDGE EDGE CACHE SERVICE WORKER CACHE CI ▸
ྫ: Ωϟογϡഁغ ▸ σʔλϕʔε্ͷ Item(id: 123) Λߋ৽ ▸ Edge Cache ͷ / items/123 Λഁغ invalidate updateItem({id: 123, ...})
CACHE AWARE ͳઃܭ(ཁ) ▸ࢀরܥ୯७ͳΩϟογϡϧʔϧ(URL) Ͱฦ٫ ▸ߋ৽ܥͷϑοΫͰΩϟογϡഁغ
ઃܭͷצॴ (1) ▸Ωϟογϡʹηογϣ ϯґଘใΛΘͳ͍ ▸ηογϣϯʹґଘ͢Δ View ɺॳظԽޙʹ ajax Ͱ lazy
ʹߏங
C ઃܭͷצॴ (2) ▸Ωϟογϡͷू ߹Ͱߟ͑Δ ▸ߏཁૉ͕ߋ৽͞Εͨ Βഁغ ITEM:123 COMMENT:345 COMMENT:347
ITEM:123 COMMENT:345 COMMENT:347 USER:7 USER:7 Cache: /items/123
ઃܭͷצॴ (3) ▸Ωϟογϡ͢Δͷ HTMLҎ֎Ͱ͍͍ ▸Flux Store ͷJSON Λ อଘͳͲ ITEM:123
COMMENT:345 COMMENT:347 USER:7 JSON RECORD:1 HTML Server Client RECORD:2
ઃܭͷצॴ (4) ▸७ਮؔͱ෭࡞༻ΛؚΉؔͷ = ؔܕϓϩάϥϛϯάͬΆ͘ߟ͑Δ fetchItem(id: string): Promise<Item> renderHtml(item: Item,
comments: Comment[]): string fetchComments(itemId: string): Promise<Comment[]> CACHE MANAGER updateItem(item: Item): Promise<void> CASHE isomorphic renderer renderComponent(item: Item, comments: Comment[]): ReactNode
ݒ೦: Ωϟογϡഁغ͕ෳࡶ͗͢ͳ͍͔ʁ ▸Fastly: Varnish Surrogate Keys ▸ORM ͷϑοΫͳͲͰཧ ▸ActiveRecord: after_save
ͳͲ ▸Surrogate Keys ͕༷Խ͞Εͯ΄͍͠
ෳࡶ͚ͯ͞: ಈతͳ EDGE ▸AWS Lambda@Edge ▸CloudFlare Workers ▸Fastly Cloud Platform
Edge ͰJSWASMͰෳࡶͳܭࢉ͕Ͱ͖Δ = HTML ΛΈཱͯΒΕΔ = SSRʹศར
খن։ൃऀʹҙຯ͕͋Δ͔ ▸୯७ʹ CDN = Redis, Server = MySQLͱ ஔ͖͑ͯߟ͍͍͑ͯ ▸ΞϓϦέʔγϣϯ͕
Cache Aware ͔Ͳ ͏͔ɺنʹؔͳ͍
16MSҎ্ͷੈք: ࢦ ▸Lv1. ωοτϫʔΫʹΞΫηεͨ͠Βෛ͚ ▸Lv2. CDN͔ΒઌʹΞΫηεͨ͠Βෛ͚ ▸Lv3. DBͰΫΤϦΛൃߦͨ͠Βෛ͚
PRELOADING
ػతΩϟογϡߏங ▸͏͔͠Εͳ͍σʔλΛઌಡΈ LINK P1 LINK P2 P1 P2 ... Preload
IMG JS CSS
ઌಡΈؔ࿈ͷ༷ ▸https://w3c.github.io/preload/ ▸https://w3c.github.io/resource-hints/ ▸HTTP/2 Server Push ▸୯७ʹରΛ `fetch(endpoint)` ඈͯ͠ ͓͚ͩ͘ͰޮՌ͋Δ
ྫ: NEXT.JS ʹΑΔ PRELOAD ࠷దԽ ▸Ϗϧυ࣌ʹؔ࿈ΞηοτΛऩूͯ͠ <link rel="preload"...> Λ head
ʹૠೖ ▸<Link to="..." prefetch> Ͱ࣍ϖʔδΞη οτΛ <link rel="preload" ...> ʹૠೖ
▸https://github.com/guess-js/guess ▸GA(ޓ)ͷAPIͰϢʔβʔͷߦಈΛऩू ▸ػցֶशͰϢʔβʔͷ࣍ͷߦಈΛ༧ଌ ▸<link rel="preload" ...> Λϔομʹૠೖ
None
ػతΩϟογϡߏஙͷݱ࣮(1) ▸ᩦཉʹΩϟογϡΛऩू͢ΔͱɺϢʔβʔ ͱCDNͷଳҬʹෛՙ ▸ݡ͍ઌಡΈൣғΛɺίϯςΩετΛߟྀ ͠ɺ৬ਓతʹهड़͢Δ͜ͱʹ…
▸ΩϟογϡഁغઓུWAFͷࢧԉ͕ඞཁ ▸ྫ: next.js ͷ preload ૠೖ, guess.js ▸ΞʔΩςΫνϟ͕ཧ͞Εͯͳ͍ͱ࣮ݱ ෆՄ ػతΩϟογϡߏஙͷݱ࣮(2)
෭࡞༻Λͨ͠៉ྷͳίʔυΛॻ͘ => Ωϟογϡഁغ͕༧ଌͰ͖Δ ֖ͳ͘ݴ͏ͱ…
16MS ະຬͷੈք
16MSະຬ ▸్Εͣ࿈ଓͯ͠Δͱײ͡Δߋ৽ස ▸ͭ·ΓΫϥΠΞϯτࢹͩͱΠϯϝϞ Ϧ or όοΫάϥϯυॲཧ
৭ʑͳϚΠΫϩνϡʔχϯά… ▸ॳظԽ ▸ωοτϫʔΫ࠷దԽ(ࠓ·Ͱͷ) ▸εΫϦϓςΟϯάͷݮ(js bundle size) ▸ϑϨʔϜ࠷దԽ ▸ϨΠΞτ੍(BoundingBox࠶ܭࢉ) ▸ߴසॲཧͷ੍(εΫϩʔϧ) ▸ॳظԽԆɾΦϑεϨουୀආ
εΫϦϓςΟϯά੍ ▸୯७ʹ͏ϥΠϒϥϦͷྔΛݮΒ͢ ▸ճઢΑΓɺශऑͳCPU(ϞόΠϧ)Ͱ ޮՌେ ▸ΦϑεϨουୀආ(ޙड़)
εΫϦϓςΟϯά੍ɿखஈ ▸ES2015 Dynamic Import ▸Webpack: Code Spritting ▸Webpack: Dead Code
Elimination
PREPACK ▸facebook/prepack ▸੩తղੳͯ͠ఆΈࠐΈ ▸(ݱঢ়ɺίʔυ͕େ෯ʹ૿͑Δ…)
None
ϨΠΞτ੍ ▸ཁૉ෯Λมߋ͢ΔͱํΛ࠶ܭࢉ ▸ʮΨλοʯʮϐΫοʯͱ͍͏ѱମݧ
ϨΠΞτ੍: εέϧτϯεΫϦʔϯ ▸ ྖҬΛΊΔϞοΫͰॳظԽ/͢Γସ͑ ▸ ϨΠΞτ࠶ܭࢉͷ੍ https://uxplanet.org/how-to-use-animation-to- improve-ux-338819e93bdb
AMP ʹֶͿϨΠΞτ੍ ▸CSSશͯΠϯϥΠϯԽ ▸ΩϟογϡώοτͱͷτϨʔυΦϑ ▸ը૾(amp-img) width/height ඞਢ or ໌ࣔతͳ layout="responsive"
ࢦఆ
ॳظԽԆ/ΦϑεϨουॲཧ ▸WebWorker ͰόοΫάϥϯυॲཧ ▸εΫϦϓςΟϯά݁Ռతʹ੍
DEMO: MARKDOWN PREVIEW ▸off thread markdown compile (22ms~) ▸off thread
prettier (1.2MB)
ϚΠΫϩνϡʔχϯάͷݱ࣮ ▸࣮ࡍʹ͜ΕΒͷෳ߹Ͱ͕ൃੜ ▸ߴසΠϕϯτ + ϨΠΞτ࠶ܭࢉ ▸ϑϨʔϜϫʔΫಛ༗ͷࣄ
Ԇڥͷҝͷ ઃܭύλʔϯ
ઃܭύλʔϯ ▸ָ؍తUI ▸ΫϥΠΞϯτϑΝʔετ ▸off-the-main-thread
ָ؍తUI
ָ؍తUI ▸ৗʹϦΫΤετΛޭͨ͜͠ͱʹ͢Δ ▸ࣦഊ࣌ʹϩʔϧόοΫ
STEP 1 SERVER STEP 2 STEP 3 CONFIRM ok write
write write CLIENT LOGIC Rollback on Error ָ؍తUI: ྫ: Ϣʔβʔొ
ָ؍తUI: ͍ͭ͑Δ͔ ▸ਖ਼ৗܥʹωοτϫʔΫ্ͷذ͕ͳ͍ ߹ ▸ϩάΠϯϑϩʔ / Like Button / هࣄ
ίϝϯτͷߘͳͲ
ΫϥΠΞϯτϑΝʔετઃܭ
ΫϥΠΞϯτϑΝʔετઃܭ ▸جຊతʹΫϥΠΞϯτͰͷσʔλॲཧ Λ༏ઌ͢Δ ▸αʔόʔ୯ʹ sync ͞ΕΔ͚ͩ ▸ผ్ूܥAPIΛ༻ҙ
Client STATE STATE' STATE' STATE' Storage background sync SCRIPT VIEW
API Aggregate Refer ΫϥΠΞϯτϑΝʔετઃܭ ▸ ΫϥΠΞϯτͷεςʔτ͕ओ ▸ αʔόʔεςʔτ͕ैଐ ▸ Sync / API ͕ू͢Δࡍʹ σʔλͷ߹ੑͷݕূ
ΫϥΠΞϯτϑΝʔετઃܭ: ͍ͭ͑Δ͔ ▸ѻ͏σʔλ͕ࣗݾ݁͠ɺίϛϡχέʔ γϣϯ͕গͳ͍ͷ(ήʔϜɾπʔϧ) ▸firebase(firestore) ͱ૬ੑ͕͍͍
ΫϥΠΞϯτϑΝʔετઃܭ: ▸νʔτੑ͕͍ ▸Web ΫϥΠΞϯτվ᜵ʹऑ͍ ▸ਅ໘ʹಥ͖٧ΊΔͱP2PͰͷ૬ޓࢹ (ϒϩοΫνΣʔϯٕज़)ͳͲ͕ඞཁʹ…
OFF THE MAIN THREAD
OFF THE MAIN THREAD ▸࠷ۙͷ(Chromeํ໘ͷ)τϨϯυ ▸UI Thread Ҏ֎ʹॲཧΛΦϑϩʔυ ▸WebWorker Λੵۃతʹ͍ͬͯ͘
https://mizchi.hatenablog.com/entry/2018/10/18/155448
https://mizchi.hatenablog.com/entry/2018/10/18/155448
OFF THE MAIN THREAD: Կ͕ղܾͰ͖Δ͔ ▸Scripting: UI Thread ͕ബ͘ͳΔͷͰɺ JS
ͷॳظԽ࣌ؒΛݮΒͤΔ ▸Universal: ࣗવͱViewͱσʔλΛ ͢Δ͜ͱʹ
ύϑΥʔϚϯε ϝτϦΫε
SPEED INDEX ▸First Paint ▸First Meaningful Paint ▸First Contentful Paint
▸Time to Interact
LIGHTHOUSE ▸https://github.com/GoogleChrome/ lighthouse ▸֤छϝτϦΫεͷϨϙʔτΛ࡞ ▸(PWAܥΛաେධՁͳؾ…)
None
CHROME DEVTOOLS ▸ͱʹ͔͘৮ͬͯ׳ΕΔ! ▸
࠷ޙʹ: ͳͥߴԽ͢Δ͔
ͳͥߴԽ͢Δ͔ ▸៉ྷͳΞʔΩςΫνϟͰͳ͍ͱߴԽͰ ͖ͳ͍ ≒ ߴԽʮͰ͖Δʯ͜ͱ͕݈શ ͳΞʔΩςΫνϟͷҰͭͷূࠨ ▸ߴԽͦͷͷ݁Ռʹա͗ͳ͍
ίʔυͷ៉ྷ͞ͱ ▸Α͘ޡղ͞ΕΔ͕ɺίʔυͷ៉ྷ͞ͱ ରཱߏͰͳ͍ ▸ΞʔΩςΫνϟͷੜΉɺચ࿅͞Εͨʮ༨ ༟ʯ͕ͦ͜ΩϟογϡઓུͷΑ͏ͳνϡʔ χϯάͷ༨ʹͳΔ
ࢀߟ ▸ΩϟογϡϑϨϯυϦʔͳεςʔτϨεΞϓϦέʔ γϣϯઃܭʹ͍ͭͯߟ͑Δ https:// mizchi.hatenablog.com/entry/2018/04/15/ 011520 ▸off-the-main-thread ͷ࣌ https:// mizchi.hatenablog.com/entry/
2018/10/02/093750
͓ΘΓ