Contribute to Web

Transcript

1. from Node to Browser Contribute to Web @Nihonbashi.js #2

2. Hello! const self = { name: 'Hash (@hashedhyphen)', lang: ['JS',

   'Rust', 'Ruby', 'Scala'] };

3. “Contribute to Web” 1. Localization

4. 1. Localization ❖ JavaScript ͱग़ձͬͨͷ͸໿ 2 ೥લ ❖ ᷿ͷ೔ຊޠ৘ใ͸ HTML

   ͱͷؔ࿈͹͔Γ ❖ গ͠ϚΠφʔʹͳΔͱӳޠυΩϡϝϯτ͚ͩ ❖ ͦΕ΄Ͳӳޠ͕ಘҙͰ͸ͳ͔ͬͨͷͰͭΒ͍
5. None

6. “຋༁͠Α͏ʂ”

7. 1. Localization ❖ ೔ຊޠ৘ใ͕ͳ͚Ε͹ࣗ෼Ͱ࡞Ε͹͍͍ ❖ MDN ͸ wiki ͳͷͰࣗ༝ʹ೔ຊޠهࣄΛ࡞ΕΔ ❖

   ΋ͪΖΜٕज़໘ͰษڧʹͳΔ ❖ ຋༁ = ਫ਼ಡ͢Δ͏ͪʹ࣍ୈʹӳޠ͕ා͘ͳ͘ͳΔ
8. None

9. 1. Localization ❖ MDN (Browser JS API, Security, CSS) ❖

   Mozilla Security Blog ೔ຊޠ൛ ❖ webappsec-specjp

10. “Contribute to Web” 2. Filing Issues - Node

11. 2. Filing Issues - Node ಥવͰ͕͢͜͜ͰΫΠζͰ͢ ࣍ͷίʔυͷ࣮ߦ݁Ռ͸ԿͰ͠ΐ͏͔ʁ ʢ࣮ߦ؀ڥɿNode v8.3.0ʣ

12. // quiz1.js class Base {} class Derived extends Base {

    hi() { console.log("hi"); } } const d = new Derived(); d.hi();

13. $ node quiz1.js hi

14. // quiz2.js class Derived extends Buffer { constructor(n) { super(n);

    } hi() { console.log("hi"); } } const d = new Derived(8); d.hi();

15. $ node quiz2.js /Users/hh/quiz2.js:14 d.hi(); ^ TypeError: d.hi is not

    a function

16. 2. Filing Issues - Node ❖ ͜Ε͸͕͢͞ʹόάͰ͸… ❖ GitHub Ͱ

    Issue ใࠂ ❖ Node ͷ Nightly build Ͱ΋࠶ݱ͢Δ͜ͱΛ֬ೝ ❖ Issue ͷӳจ਺ߦΛॻ͘ͷʹ 30 ෼͙Β͍೰Μͩ ❖ ಡΉͷͱॻ͘ͷͱ͸·ͨผ…
17. None

18. 2. Filing Issues - Node ❖ 1:44 ʹ Issue ใࠂ

    ❖ 2:50 ʹ࠷ॳͷฦ৴ + Self assigned ❖ 3:12 ʹमਖ਼Ҋͷύον͕ϦϯΫ͞ΕΔʢ଎͍ʂʣ

19. 2. Filing Issues - Node ❖ ࣌ظతʹ Node v5 ͔Β

    v6 ΁ͷస׵ظ ❖ new Buffer Λ΍Ίͯ Buffer.from ʹ͢ΔͳͲ ❖ ͜ͷमਖ਼͕ master ʹೖΔ͜ͱ͸ͳ͔͕ͬͨɺ Buffer Λ௚઀ extends ͢Δ͜ͱ͸كʁ

20. “Contribute to Web” 3. Filing Issues - Browser

21. 3. Filing Issues - Browser ❖ ͋Δ೔ TweetDeck Λ Firefox

    Ͱ࢖͍ͬͯͨΒ ❖ ೔ຊޠೖྗͰࢠԻͱ฼Ի͕࿈݁͞Εͳ͍ʂ
22. None

23. 3. Filing Issues - Browser ❖ ະ֬ఆจࣈ͕ textarea.value ͳͲʹೖͬͨ৔߹ͷ ಈ࡞͸

    WHATWG Ͱ͸ະఆٛ textarea.addEventListener("input", _evt => { textarea.value = textarea.value; }); ࣮ࡍʹ໰୊ͱͳ͍ͬͯͨͱਪଌ͞ΕΔٖࣅίʔυ front side ϏϧυϓϩηεͷෳࡶԽʹΑͬͯฆΕࠐΜ͔ͩʁ

24. 3. Filing Issues - Browser ❖ TweetDeck νʔϜଆͷςετෆ଍͕ݪҼ ❖ ৄࡉɿ΋ͣ͸ͬ͘೔هɿ

    TweetDeckͰFirefox͔Β ೔ຊޠ͕ೖྗͰ͖ͳ͘ͳ͍ͬͯΔ݅ ❖ Gecko ͱ Twitter ͷ։ൃऀ͕௚઀΍ΓऔΓ͢Δڳ ೤ͳల։

25. 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
26. None

27. ͜͜·ͰΛৼΓฦͬͯ ❖ JavaScript ʹؔ࿈͢Δ OSS contribution ͷΠϕϯ τ͡Όͳ͔ͬͨͷʁ ❖ Πϕϯτͷझࢫͱ߹͍ͬͯͳ͍͡ΌͶ͔͑

28. ͜͜·ͰΛৼΓฦͬͯ ❖ JavaScript ʹؔ࿈͢Δ OSS contribution ͷΠϕϯ τ͡Όͳ͔ͬͨͷʁ ❖ Πϕϯτͷझࢫͱ߹͍ͬͯͳ͍͡ΌͶ͔͑

    ❖ ͔͜͜Β͕ຊ୊Ͱ͢

29. “Browser ͷ JS API ʹܞΘͬͨ࿩”

30. “Contribute to Web” 4. Browser Inside

31. 4. Browser Inside ❖ Gecko inside #7ɿύονΛ࡞Ζ͏ϋϯζΦϯ ❖ Gecko (Firefox)

    ͷίϛολʔͱҰॹʹύονΛ
 ࡞ΔϋϯζΦϯ ❖ Web Animations API ʹ͓͍ͯΞχϝʔγϣϯͷ Ҡಈํ޲Λ੍ޚ͢Δ࣮૷ͷ͓ख఻͍ ❖ ΋ͪΖΜ Bugzilla ͰӳޠͰίϛϡχέʔγϣϯ

32. ࣮ࡍʹॻ͍ͨ C++ ίʔυʢ7 ߦʣ ΋ͪΖΜطʹ͓હཱ͍͍͍ͯͯͨͩͯͨ͠

33. ࣮ࡍʹॻ͍ͨ JS ͷ ςετίʔυʢ56 ߦʣ

34. 4. Browser Inside ❖ Browser ͸͓ͦΒ͘ੈքͰҰ൪ڊେͳ C++ ͷ
 OSS ϓϩδΣΫτͳͷͰ͸ʁʢݸਓͷҙݟʣ

    ❖ ੈքதͷਓ͕࢖͍ͬͯΔ΋ͷʹࣗ෼ͷίʔυ͕
 ࢖ΘΕ͍ͯΔͬͯͪΐͬͱخ͍͠

35. 4. Browser Inside ❖ Πϕϯτޙ΋௚઀Կݸ͔νέοτΛΞαΠϯͯ͠ ͍͍ͨͩͨΓ ❖ JS ͷςετίʔυΛϦϑΝΫλϦϯάͨ͠Γ ❖

    ΋͏গ͠೉͍͠ C++ ͷίʔυΛॻ͍ͨΓ ❖ e.g. Ξχϝʔγϣϯؔ࿈ͷ devtools ͷόάमਖ਼

36. 4. Browser Inside ❖ Firefox DevTools ͷόάमਖ਼ ❖ DevTools ͸

    HTML (XML) + CSS + JS ❖ ࣮͸ Firefox DevTools ʹ React ͕࠾༻͞Ε͍ͯΔ
37. None

38. “Contribute to Web” Wrap up

39. Wrap up ❖ ΍ͬͺΓ OSS ͸ָ͍͠ʂ ❖ web ք۾Ͱͷ “OSS”

    ͱ͍͏ͱ࢓ࣄͰ࢖͍ͬͯΔ ϥΠϒϥϦɾݴޠʹറΒΕ͕ͪ ❖ web dev ͳΒ Browser ʹ΋໨Λ޲͚͍͖͍ͯͨ ❖ ීஈͷ։ൃͰग़ձͬͨόά͸ੵۃతʹใࠂ͍ͨ͠