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from Node to Browser
Contribute to Web @Nihonbashi.js #2
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Hello!
const self = {
name: 'Hash (@hashedhyphen)',
lang: ['JS', 'Rust', 'Ruby', 'Scala']
};
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“Contribute to Web”
1. Localization
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1. Localization
❖ JavaScript ͱग़ձͬͨͷ 2 લ
❖ ᷿ͷຊޠใ HTML ͱͷؔ࿈͔Γ
❖ গ͠ϚΠφʔʹͳΔͱӳޠυΩϡϝϯτ͚ͩ
❖ ͦΕ΄Ͳӳޠ͕ಘҙͰͳ͔ͬͨͷͰͭΒ͍
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“༁͠Α͏ʂ”
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1. Localization
❖ ຊޠใ͕ͳ͚ΕࣗͰ࡞Ε͍͍
❖ MDN wiki ͳͷͰࣗ༝ʹຊޠهࣄΛ࡞ΕΔ
❖ ͪΖΜٕज़໘ͰษڧʹͳΔ
❖ ༁ = ਫ਼ಡ͢Δ͏ͪʹ࣍ୈʹӳޠ͕ා͘ͳ͘ͳΔ
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1. Localization
❖ MDN (Browser JS API, Security, CSS)
❖ Mozilla Security Blog ຊޠ൛
❖ webappsec-specjp
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“Contribute to Web”
2. Filing Issues - Node
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2. Filing Issues - Node
ಥવͰ͕͢͜͜ͰΫΠζͰ͢
࣍ͷίʔυͷ࣮ߦ݁ՌԿͰ͠ΐ͏͔ʁ
ʢ࣮ߦڥɿNode v8.3.0ʣ
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// quiz1.js
class Base {}
class Derived extends Base {
hi() {
console.log("hi");
}
}
const d = new Derived();
d.hi();
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$ node quiz1.js
hi
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// quiz2.js
class Derived extends Buffer {
constructor(n) {
super(n);
}
hi() {
console.log("hi");
}
}
const d = new Derived(8);
d.hi();
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$ node quiz2.js
/Users/hh/quiz2.js:14
d.hi();
^
TypeError: d.hi is not a function
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2. Filing Issues - Node
❖ ͜Ε͕͢͞ʹόάͰ…
❖ GitHub Ͱ Issue ใࠂ
❖ Node ͷ Nightly build Ͱ࠶ݱ͢Δ͜ͱΛ֬ೝ
❖ Issue ͷӳจߦΛॻ͘ͷʹ 30 ͙Β͍Μͩ
❖ ಡΉͷͱॻ͘ͷͱ·ͨผ…
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2. Filing Issues - Node
❖ 1:44 ʹ Issue ใࠂ
❖ 2:50 ʹ࠷ॳͷฦ৴ + Self assigned
❖ 3:12 ʹमਖ਼Ҋͷύον͕ϦϯΫ͞ΕΔʢ͍ʂʣ
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2. Filing Issues - Node
❖ ࣌ظతʹ Node v5 ͔Β v6 ͷసظ
❖ new Buffer ΛΊͯ Buffer.from ʹ͢ΔͳͲ
❖ ͜ͷमਖ਼͕ master ʹೖΔ͜ͱͳ͔͕ͬͨɺ
Buffer Λ extends ͢Δ͜ͱكʁ
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“Contribute to Web”
3. Filing Issues
- Browser
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3. Filing Issues - Browser
❖ ͋Δ TweetDeck Λ Firefox Ͱ͍ͬͯͨΒ
❖ ຊޠೖྗͰࢠԻͱԻ͕࿈݁͞Εͳ͍ʂ
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3. Filing Issues - Browser
❖ ະ֬ఆจࣈ͕ textarea.value ͳͲʹೖͬͨ߹ͷ
ಈ࡞ WHATWG Ͱະఆٛ
textarea.addEventListener("input", _evt => {
textarea.value = textarea.value;
});
࣮ࡍʹͱͳ͍ͬͯͨͱਪଌ͞ΕΔٖࣅίʔυ
front side ϏϧυϓϩηεͷෳࡶԽʹΑͬͯฆΕࠐΜ͔ͩʁ
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3. Filing Issues - Browser
❖ TweetDeck νʔϜଆͷςετෆ͕ݪҼ
❖ ৄࡉɿͣͬ͘هɿ TweetDeckͰFirefox͔Β
ຊޠ͕ೖྗͰ͖ͳ͘ͳ͍ͬͯΔ݅
❖ Gecko ͱ Twitter ͷ։ൃऀ͕ΓऔΓ͢Δڳ
ͳల։
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3. Filing Issues - Browser
❖ ཤྺॻΛ HTML + CSS Ͱ࡞͍ͬͯͨͱ͖ͷ͜ͱ
❖ ͱ Flexbox ͕ೖΕࢠʹͳͬͨϖʔδΛ
Chrome Ͱදࣔ͢ΔͱҐஔ͕͓͔͘͠ͳΔ
❖ Issue 579601: li::marker with flexbox is placed on a
slipped position
❖ ·ͩະमਖ਼
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͜͜·ͰΛৼΓฦͬͯ
❖ JavaScript ʹؔ࿈͢Δ OSS contribution ͷΠϕϯ
τ͡Όͳ͔ͬͨͷʁ
❖ Πϕϯτͷझࢫͱ߹͍ͬͯͳ͍͡ΌͶ͔͑
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͜͜·ͰΛৼΓฦͬͯ
❖ JavaScript ʹؔ࿈͢Δ OSS contribution ͷΠϕϯ
τ͡Όͳ͔ͬͨͷʁ
❖ Πϕϯτͷझࢫͱ߹͍ͬͯͳ͍͡ΌͶ͔͑
❖ ͔͜͜Β͕ຊͰ͢
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“Browser ͷ JS API ʹܞΘͬͨ”
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“Contribute to Web”
4. Browser Inside
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4. Browser Inside
❖ Gecko inside #7ɿύονΛ࡞Ζ͏ϋϯζΦϯ
❖ Gecko (Firefox) ͷίϛολʔͱҰॹʹύονΛ
࡞ΔϋϯζΦϯ
❖ Web Animations API ʹ͓͍ͯΞχϝʔγϣϯͷ
ҠಈํΛ੍ޚ͢Δ࣮ͷ͓ख͍
❖ ͪΖΜ Bugzilla ͰӳޠͰίϛϡχέʔγϣϯ
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࣮ࡍʹॻ͍ͨ C++ ίʔυʢ7 ߦʣ
ͪΖΜطʹ͓હཱ͍͍͍ͯͯͨͩͯͨ͠
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࣮ࡍʹॻ͍ͨ JS ͷ
ςετίʔυʢ56 ߦʣ
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4. Browser Inside
❖ Browser ͓ͦΒ͘ੈքͰҰ൪ڊେͳ C++ ͷ
OSS ϓϩδΣΫτͳͷͰʁʢݸਓͷҙݟʣ
❖ ੈքதͷਓ͕͍ͬͯΔͷʹࣗͷίʔυ͕
ΘΕ͍ͯΔͬͯͪΐͬͱخ͍͠
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4. Browser Inside
❖ ΠϕϯτޙԿݸ͔νέοτΛΞαΠϯͯ͠
͍͍ͨͩͨΓ
❖ JS ͷςετίʔυΛϦϑΝΫλϦϯάͨ͠Γ
❖ ͏গ͍͠͠ C++ ͷίʔυΛॻ͍ͨΓ
❖ e.g. Ξχϝʔγϣϯؔ࿈ͷ devtools ͷόάमਖ਼
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4. Browser Inside
❖ Firefox DevTools ͷόάमਖ਼
❖ DevTools HTML (XML) + CSS + JS
❖ ࣮ Firefox DevTools ʹ React ͕࠾༻͞Ε͍ͯΔ
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“Contribute to Web”
Wrap up
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Wrap up
❖ ͬͺΓ OSS ָ͍͠ʂ
❖ web ք۾Ͱͷ “OSS” ͱ͍͏ͱࣄͰ͍ͬͯΔ
ϥΠϒϥϦɾݴޠʹറΒΕ͕ͪ
❖ web dev ͳΒ Browser ʹΛ͚͍͖͍ͯͨ
❖ ීஈͷ։ൃͰग़ձͬͨόάੵۃతʹใࠂ͍ͨ͠