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Real world es201x and future
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Koutarou Chikuba
February 11, 2018
Programming
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11k
Real world es201x and future
現場のES201x と未来のアーキテクチャ - インサイドフロントエンド2
Koutarou Chikuba
February 11, 2018
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Transcript
ݱͷES201xͱະདྷͷΞʔΩςΫνϟ @mizchi / InsideFrontend 2
ࣗݾհ • @mizchi • ॴଐ: ϑϦʔϥϯε • ઐ: Node.js /
SPA৬ਓ
CAUTION!!! • ྺ࢙ͷͰɺѻͬͯΔൣғ͕͘ͳͬͨͷͰɺݴٴൣғ͕ҙਤ తʹߜ͍ͬͯ·͢ • ͋Β͔͡Ίྃ͝ঝ͍ͩ͘͞
ϑϩϯτΤϯυͷΈͳ͞Μ
ফͯ͠·͔͢ʁ
None
ຊൃදͷΰʔϧ • ΞʔΩςΫνϟͷมભΛཧ • มԽʹڧ͍ઃܭͷͨΊͷಎΛಘͯɺࣗͷίʔυʹඞཁͳ ͷɺΔ෦ɺΒͳ͍෦ͷར͖͕Ͱ͖ΔΑ͏ʹͳͬͯ΄ ͍͠
͍͖ͬͯ·͠ΐ͏
ࠓͷ͓ 1.ϑϨʔϜϫʔΫৼΓฦΓ 1.աڈ 2.ݱࡏ 3.ະདྷ 2.ݱࡏ͔ΒະདྷࢸΔಓ
ϑϨʔϜϫʔΫৼΓฦΓ
None
None
ଠݹ: ηϧϑεΫϨΠϐϯάͷ࣌ • खͰΛॻ͖͍͑ͯͨ࣌ • ෆ҆ఆͳ DOM API Λ jQuery
͕ٵऩ • IE6͕ࢮͶͣظԽ
None
ςϯϓϨʔςΟϯάͷ࣌ • HTMLͷॳظੜ͕ΫϥΠΞϯτଆ • ೋॏςϯϓϨʔτ | SEO Ex. mustache, handlebars,
underscore.template
None
σʔλόΠϯσΟϯάͷ࣌ • จࣈྻΛల։͢Δͷ͔ΒɺߏΛग़ྗ͢Δ ͷ • ޮతͳ෦ॻ͖͑ | Ϧετల։ • MVVMͷ༌ೖ
ex. backbone.stickit / knockout / angularjs / vue
ݱ
Client Side MVC ͷऴᖼ • Rails ༝དྷͷ Backbone ͷ MVC
Ϟσϧഁ • ΫϥαόͰඞཁͳநผ 2 • ղ & ࠶ߏங • ୯ํσʔλϑϩʔ 2 MVC ͱ MVC2 ʹ͍ͭͯվΊͯߟ͑ͯΈΔ http://www.s-arcana.co.jp/tech/2011/07/mvc-mvc2.html
Flux/Obvervable ͷ࣌ • Event ͱ State ͱ View Λશʹ •
EventSource ͱ subscribe ͷܗଶ • FRPͷ֓೦Λ༌ೖ ex: Rx / Elm / Redux
None
None
ߟ͑ํ • Component ͷଆʹӅΕͨ State ͷଘࡏجຊతʹѱ • Event ͷετϦʔϜ͔Β State
ͷεφοϓγϣοτΛੜ
ؓ: Redux Rx ͷ֓೦తͳαϒηοτ const actions$ = Rx.Observable.from([add(1), add(2),
add(3)]) const store = actions$.scan(rootReducer, undefined) store.subscribe(x => { console.log('subscribe', x) }) 1 1 Redux ֓೦తʹ Rx ͷαϒηοτͰ͋Δͱ͍͏ - mizchi's blog http://mizchi.hatenablog.com/entry/2017/09/30/013420
ϑϨʔϜϫʔΫͷτϨϯυ • ϋʔυ/ιϑτ྆ऀͷൃୡʹΑͬͯ… • ϝϞϦ্ʹͨ͘͞ΜσʔλΛஔ͘Α͏ʹͳΔ(ྫ: ԾDOM ʹΑΔόοϑΝϦϯά) • ϒϥβͷػೳΛΑΓݡ࣮͘͢Δ(ྫ: ࣗલͷϨϯμϥʔ)
• ߽తͳઃܭ <=> ϚΠΫϩνϡʔχϯά Λ܁Γฦͯ͠ൃల
None
Webͷ։ൃݴޠͷมԽ
None
։ൃݴޠ • JavaScript • TC39ͰຖਐԽ / ϓϦίϯύΠϥͰ interop • ଞݴޠ͔ΒͷτϥϯεύΠϥܥ
• ϊϋͷӽڥ • WebAssemblyܥ • ࢼߦࡨޡஈ֊
AltJS ͕Ռׂͨͨ͠ • ES2015 ͷจ๏Ճ/ػೳఏҊ • ClassɺArrow Function, etc... •
༷͕͍͔ͭͳ͍ͷϓϦίϯύΠϥͰઌऔΓ͢ΔจԽ
ۙΓ্͕Δݴޠ… • ੩తͳܕڥ͕͋Δ͜ͱ • ॊೈͳܕએݴ͕Ͱ͖Δ͜ͱ • ܕਪ͕͋Δ͜ͱ • ͱʹ͔͘ܕɺܕɺܕ
ϑϩϯτΤϯυͷ੩తܕ͚ͷधཁ • ͱʹ͔͘ςετ͕ॻ͖ͮΒ͍ͷͰ੩తݕࠪͰࡁ·͍ͤͨ • Observable Immutable Λલఏʹ͢Δͱ੩తݕ͕ࠪͳ͍ ͱίʔυ͕ॻ͚ͳ͍
None
None
ͳͥJSʹܕ͕ඞཁͳͷ͔ • ʮςετ͕͍͠GUIڥͰͷʯ৺ཧత҆શੑͷͨΊ • ҠΓมΘΓ͕͍ΤίγεςϜͰɺ੩తղੳͰίʔυΛࣺͯΔ ͨΊ ※ ͜ΕҎ্୯ͳΔݴޠؒͷରཱἤΓʹͳΔͷͰΊ·͢…
ະདྷͷ
WebComponents
None
None
WebComponents ͷޙͷੈք • View ͷ Custom Elements • ঢ়ଶཧͱͯ͠ͷϑϨʔϜϫʔΫ(ͨͿΜ)Δ
• ύϥμΠϜʹదͨ͠৽͍͠ϑϨʔϜϫʔΫग़ͯ͘Δͣ • SkateJSͱ͔ʁ
WebComponents Ͱࢮ͵ͷ • ʙσβΠϯͷʙ࣮ • ϚςϦΞϧσβΠϯ • ϑϥοτσβΠϯ • Bootstrap
Έͳ͞Μߴ·͖ͬͯ·͔ͨ͠ʁ
Ұམͪண͍ͯߟ͑Δ
None
ະདྷͷಓΛ࡞Δ
ݱ • ͦ͏͍ͬͨͬͯݱͷฅίʔυΛΑ • Կ͔ΒखΛ͚Δʁ
ݹ͍ίʔυΛखջ͚Δ • lint Λॻ͘ • ܕΛॻ͘ • ͋Δ͍ܕ͕ͭ͘Α͏ͳίʔυΛॻ͘ • άϩʔόϧม͠
=> ES Modules • Ϗϧυ࣌ʹґଘղੳ • ςετΛॻ͘
ྑ͍ίʔυͱѱ͍ίʔυ • ྑ͍ίʔυ • ੩తݕࠪͰ͖Δ • ΠϯλʔϑΣʔε͕໌Β͔ • ؆୯ʹࣺͯΒΕΔ •
ѱ͍ίʔυ • Ϟδϡʔϧڥք͕໌Β͔Ͱͳ͍
ྫ: Qiita Ͱ͕ࣗͬͨ͜ͱ • Rails Sprockets => Browserify • άϩʔόϧม͠Λ
ESM ʹ • Backbone.View => React • View ͱ State Λ(Flux)
ྫ: freeeࣾͰ͕ࣗͬͯΔ͜ͱ • Rails Sprockets => Webpacker • άϩʔόϧม͠ΛESMʹ •
Backbone.Router Λղମ • ݹ͍ίʔυʹ flow ͷܕΛ͚ͯճΔ
ͱΓ͋͑ͣͬͱ͚ • prettier • eslint: no-unused-vars • eslint: prefer-const
कഁ • OSSΤίγεςϜʹै͏ • Webඪ४ʹै͏ • ϨΠϠʔΛղ͢Δ
ϑϩϯτΤϯυΤϯδχΞͱԿ͔
None
ͦΕͧΕͷΰʔϧͷઃఆ • εϐʔυΛಥ͖٧ΊΔUXͳͷ͔ • ܧଓͯ͠ՁΛಧ͚ΔͨΊͷίʔυ࣭ͳͷ͔
ϑϩϯτΤϯυΞʔΩςΫνϟ: ·ͱΊ • Webಛ༗ͷΞʔΩςΫνϟ͔ΒɺීวతͳGUIઃܭͷ߹ྲྀ • ࠓͷϑϩϯτΤϯυ OOP, FP, GUIઃܭͷݟ͕ͬͨ͝ ࣽͷɺ༷ʑͳࢥΛͿ͚ͭ߹͏ઓ
• ࣗʹඞཁͳநΛબͿ
͓ΘΓ