2017年 WebFrontendの今後と変化への対応(社内向け)

Web Frontendは現在非常に変化が激しい業界です。
そこで今後どのような技術がトレンドになるか、
その変化にどうついていけばいいか
を社内向けに発表しました。

Transcript

1. 2017 Guide of Web Frontend
2. せ⵸: @brn (ꫬꅿ⨳ⵃ
   a.k.a ـٕ٦ظ) 耵噟: ؿٗٝزؒٝسؒٝآص،٥iOSؒٝآص، ⠓爡: Cyberagent ،سذؙأةآؔ
   RightSegment٥AI Messenger ـؚٗ: http://abcdef.gets.b6n.ch/ Twitter: https://twitter.com/brn227 GitHub: https://github.com/brn
3. ؿٗٝزؒٝسך ➙ה➙䖓׾鷄ֲ⵸ח
   湡תּ׷׃ֻ㢌׻׷ؿٗٝزؒٝسך䪮遭٥زٖٝس׾׬װ׫ח 鷄ְַֽ׷⵸חծ剑׮㣐✲זֿהָ֮׷կ ׉׸כ㛇燉ד֮׷կ ו׿ז鹌⻉٥㢌⻉׮㛇燉ך琎׫ꅾיד׃ַזְկ 䪮遭٥زٖٝسך葺׃䝤׃׾鋅䫙ֻ׋׭ח׮ javascript٥css٥htmlך㛇燉׾׃׏ַ׶㔿׭׷ֿהկ ؿٗٝزؒٝسָ晙䩛꟦ך儗➿כ傀ח穄׻׏גְ׷կ
   
4. ؝،䪮遭
   
5. ServiceWorker
   Service Wokerהכծwhatwgח״׏ג㹀纏ׁ׸׋Webך➬圫דծ Webل٦آךغحؙؚٓؐٝسד⹛⡲ׅ׷➬穈׫կ ServiceWorker׾ⵃ欽ׅ׷ֿהדծַאגכjavascriptַ׵鍗׸ ׷ֿהךדֹזַ׏׋ծـٓؐؠךطحزٙ٦ؙؙٔؒأزח ➜Ⰵׅ׷ֿהָדֹ׷״ֲחז׏׋կ ת׋䖓鶢ׅ׷PWAהְֲ罋ִ倯ך؝،הז׷䪮遭ד֮׶ծ ➙䖓妀ַׇזְ䪮遭הז׷〳腉䚍ָ넝ְկ
   
6. Browser ServiceWorker Server fetch event
   fetch if no cache Caced response
   response
   Browser ServiceWorker install event
   waiting
   ⴱ㔐
   ✳㔐湡⟃꣬
   
7. ES6 Modules
   ES6 ModulesכEcmascript 6ד㹀纏ׁ׸׋ծ javascriptךٌآُ٦ٕ➬圫կ ֿ׸תד窟♧ׁ׸׋ٌآُ٦ٕ➬圫ָ㶷㖈׃זַ׏׋ javascript⚅歲חאְח窟♧涸זٌآُ٦ٕ➬圫ָ㹋鄲ׁ׸׋կ 植㖈Safari٥Google Chrome Canary M60+ד⹛⡲ׅ׷կ script type="module"׮鷄⸇ׁ׸׋կ
   
8. import fs from 'fs'; import util from '../util'; import { Anything } from '../something'; export class MainClass { }
9. import './Bmodule' import './Dmodule' Module A
   import './Cmodule' Module B
   Module C
   Module D
   
10. ES2017
    Ecmascriptך剑倜➬圫կ 2017/07/03ٔٔ٦أկ async٥await瘝ךꬊず劍Ⳣ椚堣腉ծ Object.entries瘝ךِ٦ذ؍ٔذ؍ ך鷄⸇կ Atomic/SharedArrrayBuffer瘝ךوٕ ثأٖحس㹋鄲ך鷄⸇կ 暴חasync٥awaitכֿ׸ַ׵ךꬊず 劍Ⳣ椚ך⚥呌הז׏גֻ׷׮ךז ךדծ椚鍑כ䗳갭կ
11. async function request() {! return await fetch('https://ex.com/');! }! ! async function main() {! const result = await request();! const json = await result.json();! console.log(json);! }! ! main();!
12. Typescript & Flowtype
    㘗➰ֹךjavascript׾鎸鶢דֹ׷կ Typescriptכjavascriptה✼䳔䚍כ֮ ׷ָծ ⴽ鎉铂ה׃ג杝甧׃ג㶷㖈׃ծ Flowtypeכ傀㶷ךjavascriptח䖓➰ ד㘗׾㹀纏ׅ׷ֿהָדֹ׷կ
13. WebAssembly
    ـٓؐؠ♳ד㹋遤〳腉זغ؎ز؝٦سך➬圫կ 植㖈GoogleChromeד㹋遤〳腉կ C++װRustַ׵؝ٝػ؎ٕׅ׷ֿהדـٓؐؠ♳ד㹋遤〳腉זغ ؎شٔ׾欰䧭ׅ׷ֿהָדֹ׷կ 鸞䏝כת׌涪㾜鷿♳׌ָծ♧鿇ـٓؐؠ؜٦ي瘝ח׮䱰欽ׁ׸㨣 ׭גְ׷կ
14. HTTP/2.0
    HTTP/2.0כGoogleךspdyָ⵸魦ה ז׏׋ծHTTP/1.1ך䖓竰կ Webך넝鸞⻉׾湡䭷׃ג㹋鄲ׁ׸ծ 2015䎃ח➬圫ָ䪫钠ׁ׸׋կ HTTP/1.1ך剑㣐ך㉏겗ד֮׏׋1䱸 竲֮׋׶ךػؿؓ٦وٝأ׾何㊣ ׅ׷׋׭ծ أزٔ٦ي׾ⵃ欽׃ծ䱸竲׾㢳ꅾ ⻉ׅ׷ֿהדծ넝鸞ז鷏「⥋׾〳 腉ח׃׋կ
15. Client Server Client Server Client request style.css
    response style.css
    request index.js
    response index.js
    HTTP/1.1
    Client Server1 Client request style.css request index.js response style.css response index.js HTTP/2.0
    
16. PWA Progressive Web Application
    Progressive Web ApplicationהכծGoogleח״׏ג䲿㈖ׁ׸׋ ״׶،فٔٓ؎ؙזWeb،فٔ؛٦ءّٝךֿהדծ ServiceWorkerח״׷؝ٝذٝخٍؗحءُװApp Shellػة٦ ٝ׾ⵃ欽׃׋鏣鎘׾遤ֲֿהדծ״׶넝鸞ד،فٔך״ֲח澓 儗חل٦آ׾邌爙ׅ׷ֿהָ〳腉חז׷կ 暴חApp Shellח꫼涸ז邌爙銲稆׾תה׭גServiceWorkerד Cacheׅ׷ֿהד㛇劤涸זٖ؎،ؐزָ澓儗ח圓眠ׁ׸׷״ֲ חז׷կ
17. Endpoint 1 Endpoint 2 Endpoint 3 ServiceWorker Browser Content Server index.html Navigation Header Footer App shell
    Reuqest if not cached
    Precache other pages
    Get content
    Get cached content
    Minimum stable static content
    
18. AMP accelerated mobile pages
    AMPהכGoogleח״׏ג㹋鄲٥䱿㤺ׁ׸גְ׷넝鸞זٌغ؎ٕ ل٦آךֿהדծ鸐䌢ךjavascript٥htmlכ⢪欽דֹזְ➿׻׶ חծ澓儗חل٦آָ邌爙ׁ׸׷圫ז넝鸞זل٦آ׾⡲䧭〳腉ז 䪮遭կ ׋׌׃ծGoogleח钠㹀ׁ׸׋ةؚ٥js׃ַ⹛ַזְךדծ Googleח㔲ְ鴥ת׸׋䪮遭ד֮׷הְֲ钠陎כ׃גְֶ׋倯ָ ְְկ
19. ׁ׵ח劢勻פ
    
20. Foreign Fetch
    ServiceWorker׾3rd partyسً؎ٝOriginךٖأهٝأقحتח 䭷㹀ׅ׷ֿהדծ3rd PartyךService Workerָ涫ꐮדֹ׷կ ׁ׵ח3rd PartyךService Workerכⴽل٦آַ׵ؙٔؒأزׁ ׸ג׮ؙٔؒأز⯓ָずׄז׵לⱄⵃ欽ׁ׸׷կ תׁחًر؍،׾埆倖ׅ׷ծ䎢デ禸ךjavascriptةؚחֲ׏גא ֽך堣腉ד֮׷կ ׋׌׃ծת׌Origin Triralsזךד⢪ִזְָ…
21. Ad Server Browser ServiceWorker Client A Media response header Link sw.js; rel="serviceworker"
    3rd party ServiceWorker
    Client B Media
22. ES2018
    Async Iterationծdynamic importծ Rest/Spread Property瘝ך堣腉鷄⸇կ 暴חAsync Iterationכꬊず劍Ⳣ椚׾ 㣐ֹֻ㢌⻉ׇׁ׷ךד銲岣湡կ
23. async function wait(t) {! return new Promise(resolve => setTimeout(resolve, t))! }! async function* infinity() {! for (let i = 0;;i++) {! yield i;! }! }! ! async function main() {! for await (const count of infinity()) {! console.log(count);! await wait(1000);! }! }! ! main();!
24. WebComponents
    ShadowDOMח״׏ג⼒ⴖ׵׸׋أ؝٦فך⚥חHTML+javascript +stylesheet׾מהתה׭ח׃גծ؝ٝه٦طٝز⻉ׅ׷䪮遭կ import׾⢪׏ג铣׫鴥׬ֿהד㢩鿇؝ٝه٦طٝز׾ٗ٦سׅ׷ ֿהָדֹ׷կ GoogleChromeַOperaד؟ه٦زׁ׸גֶ׶ծ׉ך➭ـٓؐؠ כת׌鿇ⴓ涸ז؟ه٦ز׃ַזְկ Polymer׾⢪ֲֿהד植㖈ד׮㹋ꥷח⢪ֲֿהָדֹ׷ָծװכ ׶ط؎ذ؍ـח⹛⡲׃זְה䗍㦩ז挿ָ㢳ְךדծ؟ه٦ز䖉׍ ַկ
25. Component A html css javascript index.html
    <a-element> Shadow DOM <b-element> Shadow DOM <c-element> Shadow DOM Component A html css javascript Component A html css javascript
26. וֲ㢌⻉ח㼎䘔ׅ׷ַ
    
27. 実装 All in one angularjs/vueך圫זׅץגך꬗⦜׾鋅 גֻ׸׷ؿٖ٦يٙ٦ؙ׾ⵃ欽ׅ׷կ •  CLIخ٦ٕ׮إحزחז׏גְגקה ׿ו꬗⦜׾鋅גֻ׸׷ךד嚂կ •  刿倜ׁ׸׋ꥷחת׷׏ה،حفر٦ز ׃זֽ׸לז׵זְךד穠圓鳞ְկ •  ְאתדًٝذׁ׸׷ַ♶僇 Incremental reactך圫ז⽃堣腉ٓ؎ـٓٔ׾穈׫ さ׻ׇג稢ַֻ،حفر٦زկ •  㥨ֹזػ٦خ׾穈׫さ׻ׇג穈׿דְ ֽ׷կ •  ،حفر٦زָ؎ًؙٝٔٝزחדֹ ׷ךד䕦갟׾䫇ִ׵׸׷կ •  荈ⴓד،٦ؗذؙثַٍ׵罋ִזֽ׸ לז׵זְկ •  ٓ؎ـٓٔך鋅噰׭ָ㣐㢌
    
28. 基礎/背景を理解する javascriptך㛇燉׾统䖤ׅ׷կ javascriptך➬穈׫׾椚鍑ׅ׷կ Browser/html/CSS׾椚鍑ׅ׷կ Web Frontendך胜兝׾椚鍑ׅ ׷կ
    
29. 㛇燉׾魦חאֽ׷ֿהדծ胜兝ָ椚鍑דֹ׷״ֲחז׷կ
    胜兝׾椚鍑ׅ׷ֿהד倜׋ז堣腉ָ鷄⸇ׁ׸ג׮ծ ׉ך⹛堣ָ׻ַ׷կ ⹛堣ָ׻ַ׷ַ׵⢪ְ倯٥ㆸ㷕׮׻ַ׷կ ז׈׉ך堣腉ָ֮׷ךַծז׈׉ךؿٖ٦يٙ٦ָؙ㶷 㖈ׅ׷ךַծ䠐㄂׾椚鍑ׅ׷䗳銲ָ֮׷կ 涺ָ⢪׏גְ׷ַ׵⢪ֲךדכזְկ Stop Hype driven development ! http://qiita.com/devneko/items/4f748253b2e2cd1192b1
30. 情報を追う •  Twitter •  ⹈䓼⠓ •  GitHub/tc39 •  GitHub/whatwg •  JSer.info •  blog •  GitHub
    
31. 䞔㜠חꟼ׃גכծTwitterד؝،ז➂׾䱱׃גؿؓٗ٦ׅ׷ ךָ♧殢傍ְַ׮׃׸זְկ ֮הכծGitHub/tc39/proposal-xxx׾滗׭׋׶ծ GitHub/whatwg/xxx׾滗׭׋׶ծ ה׶ִ֮׆GitHubחכLiveז䞔㜠ְָ׏םְ֮׷ךד䌢ח ،ٝذش׾כ׏גֶֻץֹկ ֮הכJser.infoװぐ珏blog٥Qiita׾鋅׷կ
32. ⹈䓼⠓
    ⹈䓼⠓כծ⳿׸ל魦חאֻהְֲ׮ךדכזְկ 荈ⴓָ⡦ח莆㄂ָ֮׏גծ➙ו׿זٖكٕזךַծ⡦׾劍䖉׃ג ְֻךַ׾כ׏ֹ׶ׇׁ׋קֲָ葺ְկ 䥪鋵⠓׮׍ׯ׿ה➂ה鑧ׁזְהְ׷׌ֽדכ䠐㄂ָזְկ 䙼ְⴖ׏ג㡮׾ַֽגծְ׹׿ז䞔㜠׾❛䳔ׅץ׃կ 刿חLTח涫㠡׃׋׶׃ג荈ⴓך椚鍑׾״׶帾׭׷ך׮״ְկ
    
33. まとめ 䪮遭׾鷄ֲך׮㣐✲׌ֽוծ崧遤ח崧ׁ׸搀ְ圫ח岣䠐կ 穠㽷כ㖑⸂ָٌظ׾鎉ֲךד䪮遭⸂ך䎿♳־׮׃׏ַ׶կ ֮הכ،ؐزفحزה؎ٝفحزךغٓٝأח孡׾אֽ׋ְկ