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
520
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
71
Cool Math for Hot Music 輪読会 Sec.19 Part 2
hashedhyphen
0
81
Cool Math for Hot Music 輪読会 Sec.19
hashedhyphen
0
47
Cool Math for Hot Music 輪読会 Sec.16 Part 2
hashedhyphen
0
100
Cool Math for Hot Music 輪読会 Sec.16 Part 1
hashedhyphen
0
180
Cool Math for Hot Music 輪読会 Sec.5
hashedhyphen
0
67
『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
roppongirb_20250911
igaiga
1
220
AI開発ツールCreateがAnythingになったよ
tendasato
0
130
ZOZOマッチのアーキテクチャと技術構成
zozotech
PRO
3
1.5k
DDD集約とサービスコンテキスト境界との関係性
pandayumi
3
280
「何となくテストする」を卒業するためにプロダクトが動く仕組みを理解しよう
kawabeaver
0
390
20250903_1つのAWSアカウントに複数システムがある環境におけるアクセス制御をABACで実現.pdf
yhana
3
550
KotlinConf 2025_イベントレポート
sony
1
130
Platform開発が先行する Platform Engineeringの違和感
kintotechdev
4
560
データアナリストからアナリティクスエンジニアになった話
hiyokko_data
2
450
CDK CLIで使ってたあの機能、CDK Toolkit Libraryではどうやるの?
smt7174
4
160
COVESA VSSによる車両データモデルの標準化とAWS IoT FleetWiseの活用
osawa
1
270
LLMを搭載したプロダクトの品質保証の模索と学び
qa
0
1k
Featured
See All Featured
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
9
810
GraphQLとの向き合い方2022年版
quramy
49
14k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
1.5k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
112
20k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
50k
Building an army of robots
kneath
306
46k
Being A Developer After 40
akosma
90
590k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
30
9.7k
What's in a price? How to price your products and services
michaelherold
246
12k
Making the Leap to Tech Lead
cromwellryan
135
9.5k
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