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Ryo Sakuma
August 10, 2017
Technology
0
480
Contribute to Web
Nihonbashi.js #2
Ryo Sakuma
August 10, 2017
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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