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
Contribute to Web
Search
Ryo Sakuma
August 10, 2017
Technology
0
510
Contribute to Web
Nihonbashi.js #2
Ryo Sakuma
August 10, 2017
Tweet
Share
More Decks by Ryo Sakuma
See All by Ryo Sakuma
Cool Math for Hot Music 輪読会 Sec.22
hashedhyphen
0
70
Cool Math for Hot Music 輪読会 Sec.19 Part 2
hashedhyphen
0
75
Cool Math for Hot Music 輪読会 Sec.19
hashedhyphen
0
45
Cool Math for Hot Music 輪読会 Sec.16 Part 2
hashedhyphen
0
98
Cool Math for Hot Music 輪読会 Sec.16 Part 1
hashedhyphen
0
170
Cool Math for Hot Music 輪読会 Sec.5
hashedhyphen
0
66
『プロフェッショナル SSL/TLS 読書会』 第 10 章
hashedhyphen
1
430
クラウド型電子カルテシステムと Microservices への歩み
hashedhyphen
3
1.2k
『プロフェッショナル SSL/TLS 読書会』 第 6 章
hashedhyphen
0
580
Other Decks in Technology
See All in Technology
ClaudeCode_vs_GeminiCLI_Terraformで比較してみた
tkikuchi
1
940
SREの次のキャリアの道しるべ 〜SREがマネジメントレイヤーに挑戦して、 気づいたこととTips〜
coconala_engineer
1
4.3k
無理しない AI 活用サービス / #jazug
koudaiii
0
100
AWS 怖い話 WAF編 @fillz_noh #AWSStartup #AWSStartup_Kansai
fillznoh
0
130
Digitization部 紹介資料
sansan33
PRO
1
4.5k
How to Quickly Call American Airlines®️ U.S. Customer Care : Full Guide
flyaahelpguide
0
240
60以上のプロダクトを持つ組織における開発者体験向上への取り組み - チームAPIとBackstageで構築する組織の可視化基盤 - / sre next 2025 Efforts to Improve Developer Experience in an Organization with Over 60 Products
vtryo
3
1.9k
Deep Security Conference 2025:生成AI時代のセキュリティ監視 /dsc2025-genai-secmon
mizutani
4
2.8k
研究開発部メンバーの働き⽅ / Sansan R&D Profile
sansan33
PRO
3
18k
AIでテストプロセス自動化に挑戦する
sakatakazunori
1
530
CDKコード品質UP!ナイスな自作コンストラクタを作るための便利インターフェース
harukasakihara
2
230
VS CodeとGitHub Copilotで爆速開発!アップデートの波に乗るおさらい会 / Rapid Development with VS Code and GitHub Copilot: Catch the Latest Wave
yamachu
3
460
Featured
See All Featured
Raft: Consensus for Rubyists
vanstee
140
7k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
2.9k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
Gamification - CAS2011
davidbonilla
81
5.4k
The Pragmatic Product Professional
lauravandoore
35
6.7k
How STYLIGHT went responsive
nonsquared
100
5.6k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
21
1.3k
Designing for Performance
lara
610
69k
How to Ace a Technical Interview
jacobian
278
23k
Optimizing for Happiness
mojombo
379
70k
How to Think Like a Performance Engineer
csswizardry
25
1.7k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
282
13k
Transcript
from Node to Browser Contribute to Web @Nihonbashi.js #2
Hello! const self = { name: 'Hash (@hashedhyphen)', lang: ['JS',
'Rust', 'Ruby', 'Scala'] };
“Contribute to Web” 1. Localization
1. Localization ❖ JavaScript ͱग़ձͬͨͷ 2 લ ❖ ᷿ͷຊޠใ HTML
ͱͷؔ࿈͔Γ ❖ গ͠ϚΠφʔʹͳΔͱӳޠυΩϡϝϯτ͚ͩ ❖ ͦΕ΄Ͳӳޠ͕ಘҙͰͳ͔ͬͨͷͰͭΒ͍
None
“༁͠Α͏ʂ”
1. Localization ❖ ຊޠใ͕ͳ͚ΕࣗͰ࡞Ε͍͍ ❖ MDN wiki ͳͷͰࣗ༝ʹຊޠهࣄΛ࡞ΕΔ ❖
ͪΖΜٕज़໘ͰษڧʹͳΔ ❖ ༁ = ਫ਼ಡ͢Δ͏ͪʹ࣍ୈʹӳޠ͕ා͘ͳ͘ͳΔ
None
1. Localization ❖ MDN (Browser JS API, Security, CSS) ❖
Mozilla Security Blog ຊޠ൛ ❖ webappsec-specjp
“Contribute to Web” 2. Filing Issues - Node
2. Filing Issues - Node ಥવͰ͕͢͜͜ͰΫΠζͰ͢ ࣍ͷίʔυͷ࣮ߦ݁ՌԿͰ͠ΐ͏͔ʁ ʢ࣮ߦڥɿNode v8.3.0ʣ
// quiz1.js class Base {} class Derived extends Base {
hi() { console.log("hi"); } } const d = new Derived(); d.hi();
$ node quiz1.js hi
// quiz2.js class Derived extends Buffer { constructor(n) { super(n);
} hi() { console.log("hi"); } } const d = new Derived(8); d.hi();
$ node quiz2.js /Users/hh/quiz2.js:14 d.hi(); ^ TypeError: d.hi is not
a function
2. Filing Issues - Node ❖ ͜Ε͕͢͞ʹόάͰ… ❖ GitHub Ͱ
Issue ใࠂ ❖ Node ͷ Nightly build Ͱ࠶ݱ͢Δ͜ͱΛ֬ೝ ❖ Issue ͷӳจߦΛॻ͘ͷʹ 30 ͙Β͍Μͩ ❖ ಡΉͷͱॻ͘ͷͱ·ͨผ…
None
2. Filing Issues - Node ❖ 1:44 ʹ Issue ใࠂ
❖ 2:50 ʹ࠷ॳͷฦ৴ + Self assigned ❖ 3:12 ʹमਖ਼Ҋͷύον͕ϦϯΫ͞ΕΔʢ͍ʂʣ
2. Filing Issues - Node ❖ ࣌ظతʹ Node v5 ͔Β
v6 ͷసظ ❖ new Buffer ΛΊͯ Buffer.from ʹ͢ΔͳͲ ❖ ͜ͷमਖ਼͕ master ʹೖΔ͜ͱͳ͔͕ͬͨɺ Buffer Λ extends ͢Δ͜ͱكʁ
“Contribute to Web” 3. Filing Issues - Browser
3. Filing Issues - Browser ❖ ͋Δ TweetDeck Λ Firefox
Ͱ͍ͬͯͨΒ ❖ ຊޠೖྗͰࢠԻͱԻ͕࿈݁͞Εͳ͍ʂ
None
3. Filing Issues - Browser ❖ ະ֬ఆจࣈ͕ textarea.value ͳͲʹೖͬͨ߹ͷ ಈ࡞
WHATWG Ͱະఆٛ textarea.addEventListener("input", _evt => { textarea.value = textarea.value; }); ࣮ࡍʹͱͳ͍ͬͯͨͱਪଌ͞ΕΔٖࣅίʔυ front side ϏϧυϓϩηεͷෳࡶԽʹΑͬͯฆΕࠐΜ͔ͩʁ
3. Filing Issues - Browser ❖ TweetDeck νʔϜଆͷςετෆ͕ݪҼ ❖ ৄࡉɿͣͬ͘هɿ
TweetDeckͰFirefox͔Β ຊޠ͕ೖྗͰ͖ͳ͘ͳ͍ͬͯΔ݅ ❖ Gecko ͱ Twitter ͷ։ൃऀ͕ΓऔΓ͢Δڳ ͳల։
3. Filing Issues - Browser ❖ ཤྺॻΛ HTML + CSS
Ͱ࡞͍ͬͯͨͱ͖ͷ͜ͱ ❖ <li> ͱ Flexbox ͕ೖΕࢠʹͳͬͨϖʔδΛ Chrome Ͱදࣔ͢ΔͱҐஔ͕͓͔͘͠ͳΔ ❖ Issue 579601: li::marker with flexbox is placed on a slipped position ❖ ·ͩະमਖ਼
None
͜͜·ͰΛৼΓฦͬͯ ❖ JavaScript ʹؔ࿈͢Δ OSS contribution ͷΠϕϯ τ͡Όͳ͔ͬͨͷʁ ❖ Πϕϯτͷझࢫͱ߹͍ͬͯͳ͍͡ΌͶ͔͑
͜͜·ͰΛৼΓฦͬͯ ❖ JavaScript ʹؔ࿈͢Δ OSS contribution ͷΠϕϯ τ͡Όͳ͔ͬͨͷʁ ❖ Πϕϯτͷझࢫͱ߹͍ͬͯͳ͍͡ΌͶ͔͑
❖ ͔͜͜Β͕ຊͰ͢
“Browser ͷ JS API ʹܞΘͬͨ”
“Contribute to Web” 4. Browser Inside
4. Browser Inside ❖ Gecko inside #7ɿύονΛ࡞Ζ͏ϋϯζΦϯ ❖ Gecko (Firefox)
ͷίϛολʔͱҰॹʹύονΛ ࡞ΔϋϯζΦϯ ❖ Web Animations API ʹ͓͍ͯΞχϝʔγϣϯͷ ҠಈํΛ੍ޚ͢Δ࣮ͷ͓ख͍ ❖ ͪΖΜ Bugzilla ͰӳޠͰίϛϡχέʔγϣϯ
࣮ࡍʹॻ͍ͨ C++ ίʔυʢ7 ߦʣ ͪΖΜطʹ͓હཱ͍͍͍ͯͯͨͩͯͨ͠
࣮ࡍʹॻ͍ͨ JS ͷ ςετίʔυʢ56 ߦʣ
4. Browser Inside ❖ Browser ͓ͦΒ͘ੈքͰҰ൪ڊେͳ C++ ͷ OSS ϓϩδΣΫτͳͷͰʁʢݸਓͷҙݟʣ
❖ ੈքதͷਓ͕͍ͬͯΔͷʹࣗͷίʔυ͕ ΘΕ͍ͯΔͬͯͪΐͬͱخ͍͠
4. Browser Inside ❖ ΠϕϯτޙԿݸ͔νέοτΛΞαΠϯͯ͠ ͍͍ͨͩͨΓ ❖ JS ͷςετίʔυΛϦϑΝΫλϦϯάͨ͠Γ ❖
͏গ͍͠͠ C++ ͷίʔυΛॻ͍ͨΓ ❖ e.g. Ξχϝʔγϣϯؔ࿈ͷ devtools ͷόάमਖ਼
4. Browser Inside ❖ Firefox DevTools ͷόάमਖ਼ ❖ DevTools
HTML (XML) + CSS + JS ❖ ࣮ Firefox DevTools ʹ React ͕࠾༻͞Ε͍ͯΔ
None
“Contribute to Web” Wrap up
Wrap up ❖ ͬͺΓ OSS ָ͍͠ʂ ❖ web ք۾Ͱͷ “OSS”
ͱ͍͏ͱࣄͰ͍ͬͯΔ ϥΠϒϥϦɾݴޠʹറΒΕ͕ͪ ❖ web dev ͳΒ Browser ʹΛ͚͍͖͍ͯͨ ❖ ීஈͷ։ൃͰग़ձͬͨόάੵۃతʹใࠂ͍ͨ͠