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7 Principles of Rich Web Apps
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Yosuke Furukawa
PRO
January 16, 2016
Programming
1
260
7 Principles of Rich Web Apps
Node学園付属小学校の基調講演で話した『リッチなウェブアプリケーションのための7つの原則』の話です。
Yosuke Furukawa
PRO
January 16, 2016
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Transcript
7 principles of Rich Web Applications @yosuke_furukawa
Twitter: @yosuke_furukawa Github: yosuke-furukawa
Node.jsຊϢʔβʔάϧʔϓද io.js Evangelist / io.js Collaborator
WebApps 2016
7 principles of Rich Web Applications • socket.io ͷ࡞ऀ •
Guillermo Rauch ࢯఏএ • ༁ • http://yosuke-furukawa.hatenablog.com/entry/2014/11/14/141415
7 principles of Rich Web Applications • αʔόʔͰϖʔδΛϨϯμϦϯά͢Δ • ϢʔβʔͷೖྗʹਝʹԠ͢Δ
• σʔλͷมߋʹԠ͢Δ • αʔόʔͱͷσʔλަΛίϯτϩʔϧ͢Δ • historyΛյ͢ͳɺhistoryΛ֦ு͠Ζ • ίʔυͷߋ৽Λαʔόʔ͔ΒPush͢Δ • ৼΔ͍Λ༧ଌ͢Δ
αʔόʔͰϖʔδΛϨϯμϦ ϯά͢Δ • server side web apps vs single page
apps • ͜͏͍͏ରཱߏͰޠΒΕͯ͘Δ͜ͱ͕ଟ͍ • Α͋͘Δͷ “SEO” ͷͨΊʹαʔόʔαΠυϨ ϯμϦϯάͨ͠ํ͕͍͍ͱ͍͏ͷɻ • UXͱੑೳΛ࠷దʹ͢Δʹ྆ํΔͷ͕Ұ൪ྑ͍
αʔόʔͰϖʔδΛϨϯμϦ ϯά͢Δ
αʔόʔͰϖʔδΛϨϯμϦ ϯά͢Δ
αʔόʔͰϖʔδΛϨϯμϦ ϯά͢Δ • Ͳ͜·Ͱ͘ͳͬͯϨΠςϯγ(ߦ͔ͬͯΒ ؼͬͯ͘Δ·Ͱͷ࣌ؒ)ͱ͍͏ͷ͕͋Δ • Boston <=> Stanford ؒͳΒݱ࣌Ͱ
50ms • SPAॳظϖʔδͷϩʔυʹ͓͍ͯෆར
αʔόʔͰϖʔδΛϨϯμϦ ϯά͢Δ • SPAॳظϖʔδͷϩʔυʹ͓͍ͯෆར • ߦ͔ͬͯΒؼͬͯ͘Δ·Ͱͷ͕͔͔࣌ؒΔɻ • JSONΛड͚औͬͯϖʔδΛߏ͠ɺimage audioͳͲͷใΛΒ͏ɻɻɻ
αʔόʔͰϖʔδΛϨϯμϦ ϯά͢Δ • ͡Ό͋Ͳ͏͢Δ͔ʁ • ॳظϖʔδͷϩʔυͰαʔόʔαΠυϨϯμϦ ϯά • ͦͷޙͷߋ৽SPAͰΔ •
ϋΠϒϦουͷΞϓϩʔνͰϨΠςϯγΛ࠷খݶ ʹͯ͠ɺUXੑೳ࠷దԽ͢Δɻ
αʔόʔͰϖʔδΛϨϯμϦ ϯά͢Δ • ํ๏ʁ • isomorphic web application • universal
web apps ͰޠΒΕͯΔ • fluxibleWeb Application Frameworkͷ࣮ ͋Δɻ
ϢʔβʔͷೖྗʹਝʹԠ͢ Δ • Googleͷྫ
ϢʔβʔͷೖྗʹਝʹԠ͢ Δ • CloudUpͷྫ
ϢʔβʔͷೖྗʹਝʹԠ͢ Δ • ͲΜͳʹϨΠςϯγΛԼ͛ͯݶք͕͋Δ • ޫͷʹউͯͳ͍ • Ұ୴ΫϥΠΞϯτଆͰԠ͍ͯ͠ΔࣄΛද͢
ϢʔβʔͷೖྗʹਝʹԠ͢ Δ • ͲΜͳʹϨΠςϯγΛԼ͛ͯݶք͕͋Δ • ޫͷʹউͯͳ͍ • Ұ୴ΫϥΠΞϯτଆͰԠ͍ͯ͠ΔࣄΛද͢ • ʢ͝·͔͢ͱݴ͏ʣ
ϢʔβʔͷೖྗʹਝʹԠ͢ Δ • ͳΜΒ͔ͷԠΛࣔͯ͋͛͠Δɻ • ࠷ۙͰRAILͱ͍͏ݴ༿͋Γɺݪଇʹैͬ ͯ։ൃ͢Δࣄ͕ॏཁɻ
σʔλͷมߋʹԠ͢Δ
σʔλͷมߋʹԠ͢Δ • ߋ৽ॲཧΛߦΘ࣮ͯ͘ࡍʹσʔλΛಉظ͢ Δɻ • มߋ͕ൃੜͨ͠ΒͦͷσʔλΛมߋ͢Δɻ
σʔλͷมߋʹԠ͢Δ • ํ๏ • WebSocketͷσʔλߋ৽ݕͷΈΛ ݕ౼͢Δ
αʔόʔͱͷσʔλަΛίϯ τϩʔϧ͢Δɻ • ͖ͬ͞ͷͭʹࣅͯΔ͚Ͳͪΐͬͱҧ͏ɻ • σʔλͷߋ৽ͷࣦഊΛϋϯυϦϯά͢Δɻ • ੲPOSTʹࣦഊ͢Δͱ͜͏͍͏Τϥʔϝοηʔδ ͕ग़ͯͨɻ
αʔόʔͱͷσʔλަΛίϯ τϩʔϧ͢Δɻ • ࠓͰXHR͋Δ͠ɺWebSocketͳͲ͋ ΔɻJavaScriptͰͳΜͰϋϯυϦϯάͰ͖Δ ࣌ʹͳ͍ͬͯΔɻ • ະདྷͰServiceWorker͕͋ΓɺΦϑϥΠϯʹ ͳͬͯߋ৽͢Δ͜ͱ͕Ͱ͖Δɻ
αʔόʔͱͷσʔλަΛίϯ τϩʔϧ͢Δɻ • ํ๏ • ServiceWorker ʹΑΔόοΫάϥϯυͰͷ σʔλަ • WebSocketΛͬͨσʔλ௨৴ɾϦτϥΠ
historyΛյ͢ͳhistoryΛ֦ு ͠Α͏
historyΛյ͢ͳhistoryΛ֦ு ͠Α͏
historyΛյ͢ͳhistoryΛ֦ு ͠Α͏
historyΛյ͢ͳhistoryΛ֦ு ͠Α͏ • ํ๏ • historyͷ֦ுΛݕ౼͢Δ • history.pushState/popState/replaceState • localStorageͷݕ౼ͳͲ
ίʔυͷߋ৽Λpush͠Α͏ • Demo • http://gaearon.github.io/react-hot-loader/
ίʔυͷߋ৽Λpush͠Α͏ • ํ๏ • react hot loaderͳͲͷhot loaderͷݕ౼ • Server
push websocket ʹΑΔίʔυม ߋͷ࣮ࢪ
ৼΔ͍Λ༧ଌ͠Α͏ • ϨΠςϯγʔͷนΛ͑Ζ
ৼΔ͍Λ༧ଌ͠Α͏ • Ϣʔβʔͷಈ͖Λ༧ଌ͢Δɻ • Google Map ͷઌಡΈͷΑ͏ͳߟ͑ • ํ๏·ཱͩ֬͞Ε͍ͯͳ͍ɻɻ
·ͱΊ • αʔόʔͰϖʔδΛϨϯμϦϯά͢Δ • ϢʔβʔͷೖྗʹਝʹԠ͢Δ • σʔλͷมߋʹԠ͢Δ • αʔόʔͱͷσʔλަΛίϯτϩʔϧ͢Δ •
historyΛյ͢ͳɺhistoryΛ֦ு͠Ζ • ίʔυͷߋ৽Λαʔόʔ͔ΒPush͢Δ • ৼΔ͍Λ༧ଌ͢Δ
JavaScriptͷςΫϊϩδʔͰ΄ ΅࣮ݱͰ͖Δɻ • fluxibleͳͲͷisomorphic web application framework ͷݕ౼ • RAILͳͲͷํ๏
• WebSocket ͷػߏ • ServiceWorker ͰͷωοτϫʔΫ֦ு • historyͷ֦ு • Ϣʔβʔͷಈ͖༧ଌ