Contribute to Web

Nihonbashi.js #2

Transcript

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

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2. Hello!
   const self = {
   name: 'Hash (@hashedhyphen)',
   lang: ['JS', 'Rust', 'Ruby', 'Scala']
   };
   

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3. “Contribute to Web”
   1. Localization
   

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4. 1. Localization
   ❖ JavaScript ͱग़ձͬͨͷ͸໿ 2 ೥લ
   ❖ ᷿ͷ೔ຊޠ৘ใ͸ HTML ͱͷؔ࿈͹͔Γ
   ❖ গ͠ϚΠφʔʹͳΔͱӳޠυΩϡϝϯτ͚ͩ
   ❖ ͦΕ΄Ͳӳޠ͕ಘҙͰ͸ͳ͔ͬͨͷͰͭΒ͍
   

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6. “຋༁͠Α͏ʂ”
   

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7. 1. Localization
   ❖ ೔ຊޠ৘ใ͕ͳ͚Ε͹ࣗ෼Ͱ࡞Ε͹͍͍
   ❖ MDN ͸ wiki ͳͷͰࣗ༝ʹ೔ຊޠهࣄΛ࡞ΕΔ
   ❖ ΋ͪΖΜٕज़໘ͰษڧʹͳΔ
   ❖ ຋༁ = ਫ਼ಡ͢Δ͏ͪʹ࣍ୈʹӳޠ͕ා͘ͳ͘ͳΔ
   

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9. 1. Localization
   ❖ MDN (Browser JS API, Security, CSS)
   ❖ Mozilla Security Blog ೔ຊޠ൛
   ❖ webappsec-specjp
   

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

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

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12. // quiz1.js
    class Base {}
    class Derived extends Base {
    hi() {
    console.log("hi");
    }
    }
    const d = new Derived();
    d.hi();
    

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13. $ node quiz1.js
    hi
    

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

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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…
    

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18. 2. Filing Issues - Node
    ❖ 1:44 ʹ Issue ใࠂ
    ❖ 2:50 ʹ࠷ॳͷฦ৴ + Self assigned
    ❖ 3:12 ʹमਖ਼Ҋͷύον͕ϦϯΫ͞ΕΔʢ଎͍ʂʣ
    

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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
    

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

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21. 3. Filing Issues - Browser
    ❖ ͋Δ೔ TweetDeck Λ Firefox Ͱ࢖͍ͬͯͨΒ
    ❖ ೔ຊޠೖྗͰࢠԻͱ฼Ի͕࿈݁͞Εͳ͍ʂ
    

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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
    

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24. 3. Filing Issues - Browser
    ❖ TweetDeck νʔϜଆͷςετෆ଍͕ݪҼ
    ❖ ৄࡉɿ΋ͣ͸ͬ͘೔هɿ TweetDeckͰFirefox͔Β
    ೔ຊޠ͕ೖྗͰ͖ͳ͘ͳ͍ͬͯΔ݅
    ❖ Gecko ͱ Twitter ͷ։ൃऀ͕௚઀΍ΓऔΓ͢Δڳ
    ೤ͳల։
    

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

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

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29. “Browser ͷ JS API ʹܞΘͬͨ࿩”
    

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30. “Contribute to Web”
    4. Browser Inside
    

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

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

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32. ࣮ࡍʹॻ͍ͨ C++ ίʔυʢ7 ߦʣ
    ΋ͪΖΜطʹ͓હཱ͍͍͍ͯͯͨͩͯͨ͠
    

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33. ࣮ࡍʹॻ͍ͨ JS ͷ
    ςετίʔυʢ56 ߦʣ
    

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34. 4. Browser Inside
    ❖ Browser ͸͓ͦΒ͘ੈքͰҰ൪ڊେͳ C++ ͷ

    OSS ϓϩδΣΫτͳͷͰ͸ʁʢݸਓͷҙݟʣ
    ❖ ੈքதͷਓ͕࢖͍ͬͯΔ΋ͷʹࣗ෼ͷίʔυ͕

    ࢖ΘΕ͍ͯΔͬͯͪΐͬͱخ͍͠
    

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35. 4. Browser Inside
    ❖ Πϕϯτޙ΋௚઀Կݸ͔νέοτΛΞαΠϯͯ͠
    ͍͍ͨͩͨΓ
    ❖ JS ͷςετίʔυΛϦϑΝΫλϦϯάͨ͠Γ
    ❖ ΋͏গ͠೉͍͠ C++ ͷίʔυΛॻ͍ͨΓ
    ❖ e.g. Ξχϝʔγϣϯؔ࿈ͷ devtools ͷόάमਖ਼
    

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36. 4. Browser Inside
    ❖ Firefox DevTools ͷόάमਖ਼
    ❖ DevTools ͸ HTML (XML) + CSS + JS
    ❖ ࣮͸ Firefox DevTools ʹ React ͕࠾༻͞Ε͍ͯΔ
    

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38. “Contribute to Web”
    Wrap up
    

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39. Wrap up
    ❖ ΍ͬͺΓ OSS ͸ָ͍͠ʂ
    ❖ web ք۾Ͱͷ “OSS” ͱ͍͏ͱ࢓ࣄͰ࢖͍ͬͯΔ
    ϥΠϒϥϦɾݴޠʹറΒΕ͕ͪ
    ❖ web dev ͳΒ Browser ʹ΋໨Λ޲͚͍͖͍ͯͨ
    ❖ ීஈͷ։ൃͰग़ձͬͨόά͸ੵۃతʹใࠂ͍ͨ͠
    

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