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Ͳ͜Ͱ΋ಈ͘8FCϑϨʔϜϫʔΫ Λͭ͘Δ :"1$,ZPUP :VTVLF8BEB )POP 6MUSBGBTUXFCGSBNFXPSLGPSUIF&EHF

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.F • Yusuke Wada • Supervisor@TravelBook
 https://www.travelbook.co.jp • Creator of Bokete • YAPC::Asia 2012/2013 ϕεττʔΫ৆ड৆ • https://github.com/yusukebe • https://twitter.com/yusukebe 

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ࠓ೔ͷςʔϚ ʮͲ͜Ͱ΋ಈ͘8FCϑϨʔϜϫʔΫΛͭ͘Δʯ ˎ+BWB4DSJQUͷ࿩Ͱ͢ 

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)POPͱ͍͏8FCϑϨʔϜϫʔΫΛ͍ͭͬͯ͘·͢  IUUQTIPOPEFW 6MUSBGBTUXFCGSBNFXPSLGPSUIF&EHF

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)POP5SBDLT ʮHonoͷ3+1ͷϧʔλʔͱɺͦ͜ʹͭͳ͕ΔPR͕ ϓϩδΣΫτʹ΋ͨΒͨ͠΋ͷʯ by @usualoma 

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ڈ೥ͷ:"1$+BQBO0OMJOFͰ΋࿩͠·ͨ͠ ΩϟονϑϨʔζ͕มΘΓ·ͨ͠ YAPC::Japan::Online 2022
 ʮUltrafast web framework for Cloud fl are Workersʯ YAPC::Kyoto 2023
 ʮUltrafast web framework for the Edgeʯ 

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ͦΕͳΓʹେ͖͘ͳΓ·ͨ͠ 
 (JU)VC4UBST 

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ͦΕͳΓʹ࢖ΘΕͯ·͢ • cdnjs - ϥΠϒϥϦͷCDN഑৴αʔϏεɺAPIͰ࢖ΘΕ͍ͯΔ • Poly fi ll.io - ϒϥ΢βͷUAΛΈͯPoly fi llΛฦ͢ • Ultra - Deno޲͚ͷReact SSRϑϨʔϜϫʔΫ • Driv.ly - ंͷΦϯϥΠϯചങͷͨΊͷAPIΛఏڙ • repeat.dev - webhook΍scheduleλεΫͳͲΛૉૣͭ͘͘ΕΔ • Convex - σʔλϕʔεαʔϏεɺHonoͷར༻Λਪ঑͍ͯ͠Δ • Cloud fl are D1 example - Cloud fl areެࣜͷϒϩά • subtats - ΞΧ΢ϯτͷϑΥϩʔϫʔ͕Կਓ͍Δ͔Θ͔ΔOSS 

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)POPͷͭͷಛ௃ • Ultrafast
 The routers are really fast and smart. Not using linear loops. Fast. • Multi-runtime
 Works on Cloud fl are Workers, Fastly Compute@Edge, Deno, Bun, Lagon, or Node.js. The same code runs on all platforms. • Batteries Included
 Hono has built-in middleware, custom middleware, and third-party middleware. Batteries included. • Delightful DX
 First-class TypeScript support. Now, we've got "Types". • Small
 About 20kB. Zero-dependencies. Using only Web Standard API.  3FH&YQ3PVUFS +BWB4DSJQUքͰ࠷଎ͷϧʔλʔ CZ!VTVBMPNB ࠓճ͸͜͜ʹয఺Λ͋ͯ·͢

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গͳ͘ͱ΋ͷϥϯλΠϜͰಈ͖·͢  $MPVE fl BSF8PSLFST  'BTUMZ$PNQVUF!&EHF  %FOP  #VO  -BHPO  7FSDFM&EHF3VOUJNF  /PEFKT

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ʮ)POP͕ʰͲ͜Ͱ΋ಈ͘Α͏ʹͳΔʱ·ͰʯͷυϥϚ Λ঺հ͠·͢ 

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$MPVEGMBSF8PSLFST 

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$MPVEGMBSF8PSLFST w ೥݄೔ʙ w ΞϓϦΛͭ͘Ζ͏ͱࢥͬͨΒ͍ͭͷؒʹ͔ϑϨʔϜϫʔΫΛ͍ͭͬͯͨ͘ w τϥΠ໦ߏ଄ͷϧʔλʔΛͭͬͯ͘Έ͔ͨͬͨ 

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ެࣜͷυΩϡϝϯτ௨Γʹॻ͍ͯΈΔ w ૉ͔Βॻ͘ w ύεΛநग़͠ͳͯ͘͸͍͚ͳ͍ w ϝιουΛจࣈྻͰ൑ఆ w +40/Λ࡞੒ w 3FTQPOTFΦϒδΣΫτΛ࡞੒ w /PU'PVOEΛ༻ҙ 

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)POPΛ࢖͏ͱʜ w &YQSFTTϥΠΫͳγϯλοΫε w ϧʔςΟϯά w +40/Ϩεϙϯεͷ࡞੒ w ΤϯτϦʔϙΠϯτ w /PU'PVOEΛॻ͔ͳ͍͍ͯ͘ w ίʔυྔ͕ݮΔ 

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ͦͷଞ͍͍͜ͱ͕͋Γ·͕͢লུ wϫΠϧυΧʔυɺਖ਼نදݱͳͲॊೈͳϧʔςΟϯά wΫΤϦύϥϝʔλɺύεύϥϝʔλͷऔಘ wϔομͷ௥Ճɺεςʔλεͷઃఆ w1MBJO5FYUɺ)5.-ɺ3FEJSFDUϨεϙϯε΁ͷγϣʔτΧοτ wϛυϧ΢ΣΞΛ࢖͑Δ wόΠϯσΟϯάͷऔಘ wΤϥʔϋϯυϦϯά w/PU'PVOEͷΧελϚΠζ wςετͷ؆қԽ wม਺ͷอ࣋ 

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ઌʹωλόϥγ Ͳ͜Ͱ΋ಈ͘࢓૊Έ 

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8FC4UBOEBSEͷ͓͔͛ • Fetch APIͰ࢖༻͞ΕΔRequest/ResponseɺετϦʔϜɺ҉߸ԽͳͲ • Webϒϥ΢βͷAPIΛαʔόʔ(Ϩε)؀ڥͰ࢖͑ΔΑ͏ʹ͢Δ • WinterCGͰٞ࿦͞Ε͍ͯΔ • Web-interoperable Runtimes Community Group • W3CͷίϛϡχςΟʔάϧʔϓ • Cloud fl are / Deno / Vercel / Shopify / Netlify / Alibaba etc.  ʮ֎෦ϥΠϒϥϦʹґଘͤͣɺ8FC4UBOEBSEͷ"1*ͷΈΛ࢖༻͍ͯ͠Δʯ 8FC4UBOEBSEͱ͸ʁ

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w 3FRVFTU w 3FTQPOTF w 63- w 63-1BUUFSO w 63-4FBSDI1BSBNT w $SZQUP w 3FBEBCMF4USFBN w 8SJUBCMF4USFBN w 5FYU&ODPEFS w 5FYU%FDPEFS 8FC4UBOEBSEͷ"1* ͳͲ 

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)POP಺෦Ͱ΍ͬͯΔ͜ͱ 1. dispatch(request:Request) 2. [handlers, params] = match(method, path) 3. context = new Context(request, params) 4. composed = compose(handlers) 5. response = composed(context) 6. return response:Response 

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🔥  )POP͸8FC4UBOEBSEΛ࢖ͬͨ$MPVEGMBSF 8PSLFST༻ͷϑϨʔϜϫʔΫͱͯ͠஀ੜ͠·ͨ͠ɻ

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خ͔ͬͨ͠ॠؒ $MPVE fl BSF8PSLFSTͷ$-*8SBOHMFSͷ ݩ ϝΠϯϝϯςφ !UISFFQPJOUPOF4VOJM͕πΠʔτͯ͘͠Εͨʂ  This looks like a pretty neat batteries-included framework for Cloudflare Workers! Nice work @yusukebe

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'BTUMZ$PNQVUF!&EHF 

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'BTUMZ$PNQVUF!&EHF w 3VTU+BWB4DSJQU(PʹରԠɺ8"4.ʹίϯύΠϧͯ͠࢖͏ w 8JOUFS$(ʹབྷΜͰ͸͍ͳ͍͕ɺجຊతͳ8FC4UBOEBSE͕࢖͑Δ w BUPCCUPBʹ΋ରԠͨ͠ w ಉ͡$%/αʔϏεͱͯ͠஫໨ͯͨ͠Β)POP΋࢖͑Δ͜ͱ͕ൃ֮ʂ 

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😄  ίʔυΛ΄ͱΜͲม͑ͣʹ'BTUMZͰ΋ಈ͖·ͨ͠ɻ ϛυϧ΢ΣΞͷࢿ࢈Λͦͷ··࢖͑·͢ɻ 7$-ͷ୅ΘΓʹͳΔ͔΋ʂ

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%FOP 

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%FOP w /PEFKTͱ͸ผͷ+BWB4DSJQUϥϯλΠϜ w 5ZQF4DSJQUͷඪ४αϙʔτɺύʔϛογϣϯγεςϜɺϦϯλɾϑΥʔϚολ ͷఏڙ w 8FC4UBOEBSE͕࢖͑Δʂ w ͨͩ͠ɺJNQPSUͷ࢓૊Έ͕ҧ͏ ֎෦Ϟδϡʔϧ͸AIUUQTA͔ΒJNQPSU͢Δ ֦ுࢠ͕ඞཁ

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%FOPରԠ͸᪳᪯͍ͯͨ͠ w JNQPSUपΓ͕େ͖͘ҧ͏ w ܕνΣοΫ͕ݫ͍͠ʢ౰࣌͸ΏΔ;Θͩͬͨʣ w 'BTUMZ$PNQVUF!&EHFͷ࣌ͷΑ͏ʹ͸͍͔ͳ͍ w $MPVE fl BSF8PSLFST$PNQVUF!&EHF͚ͩͰे෼Ͱ͸ͳ͍͔ʁ WͰରԠ͢Δ͜ͱʹͨ͠ w ७ਮʹʮָͦ͠͏ʯ

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%FOPʹରԠͤ͞Δ w EFOPJGZ w AEFOPJGZAίϚϯυͰ%FOP༻ͷίʔυΛग़ྗͯ͘͠ΕΔ w AUTA֦ுࢠΛ͚ͭͯ͘ΕΔɺ1PMZ fi MMɺϞδϡʔϧͷϦϓϨΠε w EFOPMBOEYͰͷެ։ w AEFOPJGZAͰग़ྗͨ͠AEFOP@EJTUAΛࢦఆ͢Ε͹ެ։Ͱ͖ͨ ͨͩ͠Deno v1.28͔Β`npm: ` speci fi ers͕ಋೖ͞Εͨ `npm:hono` ͰimportͰ͖Δ

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🦕  %FOPͰ࢖ͬͯ͘ΕΔਓ΋ଟ͔ͬͨɻ ϚϧνϥϯλΠϜΛҙࣝ͢Δ͖͔͚ͬʹͳͬͨɻ

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#VO 

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)POP͕ਓؾΛಘΔେ͖ͳ͖͔͚ͬʹͳͬͨ 

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#VO w ೥݄͘Β͍͔ΒΫϩʔζυͰެ։͞Ε͍ͯͨ w ೥݄ެ։ w +BWB4DSJQU$PSFɺ;JHΛ࠾༻ w /PEFKTɺ%FOPΑΓ଎͍͜ͱΛചΓʹͨ͠ 

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$MPVEGMBSF8PSLFSTͱશ͘ಉ͡ίʔυ͕ಈ͍ͨ • Web StandardΛ࠾༻ • `export { fetch }` ΋ಉ͡ #VO͕ެ։͞Εͨ࣌ʹ͸΋͏͢ͰʹରԠͰ͖ͯͨ • Bunjs support · Issue #344 · honojs/honoʯ
 https://github.com/honojs/hono/issues/344 

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ͦͯ͠ʜ 

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#VOͰ͸&YQSFTT͕ಈ͔ͳ͍ • Web Standard͸࢖͑Δ͕Node.jsޓ׵͕ͳ͍ • ʮBunͰExpress͸࢖͑ͳ͍ͷ͔ʁʯͱ͍͏࣭໰͕DiscordͰଟ਺ 

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ʮ&YQSFTT͸ݱࡏαϙʔτ͍ͯ͠·ͤΜɻ 
 ͦͷ୅ΘΓࠓ͸)POPΛ࢖͏͜ͱ͕Ͱ͖·͢ʯ 

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͏ͳ͗ͷ΅Γ  #VO͕ొ৔͢Δ  #VOͰ&YQSFTTΛ࢖͍͍ͨ  #VOͰ͸&YQSFTT͕࢖͑ͳ͍  ͦͷ୅ΘΓ)POPΛ࢖͍ͬͯͩ͘͞  )POPΛ࢖͏ #VOొ৔ 

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෬ઢ͕͋ͬͨ 4VOJMͷπΠʔτʹϦΞΫγϣϯ͍ͯͨ͠ͷ͕#VOͷ࡞ऀ+BSSFEͩͬͨ  Ooh I wonder if it’ll work in bun since the api is basically the same

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ޙ೔ஊ ʮ#VOʹ͓͚Δ࠷େͷࣦഊͷͻͱͭ͸ɺ&YQSFTTʹରԠͤ͞ͳ͔ͬͨ͜ͱͩʯ ͱ͸͍͑ࠓ͸&YQSFTT͕ಈ͖·͢ 

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#VOυΩϡϝϯτʹ)POP 

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ͪͳΈʹʜ 

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%FOPຊମʹ)POP͕ೖ͍ͬͯΔ 

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ެࣜXFCTJUFʹ΋ IUUQTEFOPMBOECFODINBSLT 

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%FOPͱ#VO w %FOP͕ʮ#VOͱൺֱ͢ΔͨΊʹʯͲͪΒͰ΋ಈ͘)POP͕࢖ΘΕͨ w #VOᐌ͘ʮ#VO͸ʰ%FOPΑΓ଎͍ʱʯ w %FOPͰ͸ΑΓ଎͍ʮ fl BTIʯΛ͍ͭͬͯͨ͘ +BSSFE΋ίϝϯτ͍ͯ͠Δ

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೥݄࣌఺ͷϕϯνϚʔΫ w ʮ)FMMP8PSMEʯ w #VOͷํ͕଎͍ w )POPW w %FOPɺVTJOH fl BTIA%FOPTFSWF A w #VO %FOP #VO

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😲  XPSLFSE $MPVEGMBSF8PSLFST ɺ%FOPɺ#VO 
 ৽ڵ+BWB4DSJQUϥϯλΠϜͷਅΜத΁

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-BHPO w Φʔϓϯιʔεͷ+BWB4DSJQU5ZQF4DSJQUαʔόʔϨεϥϯλΠϜ w %FWεςʔδ͕ͩ΋͏ಈ͘ ࡞ऀͷ5PN-JFOBSE͕$*ͳͲରԠͯ͘͠Εͨ 

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7FSDFM w /FYUKTΛͭͬͯ͘Δɻ/FYUKTΛϗεςΟϯά w /FYUKTͷ&EHF"1*3PVUFTͰಈ͘ w 7FSDFMͷόοΫΤϯυ͸$MPVE fl BSF8PSLFSTͰಈ͍͍ͯΔ 

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/PEFKT w /PEFKTͰಈ͔͢͜ͱ͸૝ఆ͍ͯ͠ͳ͔ͬͨ w "EBQUFSΛͭ͘Δ͜ͱͰରԠ w 1PMZ fi MMΛ͢Δ3FNJYͷGFUDIϥΠϒϥϦΛ࢖༻ 

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🙆  ʮ)POP͸Ͳ͜Ͱ΋ಈ͘ʯ

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੔ཧ͢Δͱʜ 

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XPSLFSE#VO 'BTUMZ$PNQVUF!&EHF&EHF3VOUJNF -BHPO /PEFKT %FOP

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ϚϧνϥϯλΠϜ͔ͩΒͦ͜ͷ޻෉ 

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$*Ͱ͸ͭͷϥϯλΠϜ্ͷςετ͕૸͍ͬͯΔ W͔Β͸"84-BNCEBͷςετ΋૸Γ·͢ 

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3VOUJNF,FZT w ADSVOUJNFAͰݱࡏͲͷϥϯλΠϜͰಈ͍ͯΔ͔ΛऔಘͰ͖Δ w 8JOUFS$(ͷ3VOUJNF,FZTʹ४ڌIUUQTSVOUJNFLFZTQSPQPTBMXJOUFSDHPSH 

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"EBQUFS w ϥϯλΠϜɾϓϥοτϑΥʔϜݻ༗ͷॲཧΛABEBQUFS Aʹಀͨ͠ w ඞཁʹԠͯ͡JNQPSU͢Ε͹Α͍ w ϑΝΠϧ ,7FUD ͷѻ͍͸֤ϥϯλΠϜ͹Β͹ΒͰ͋Δ 

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AFOWA w ؀ڥม਺Λಁաతʹѻ͏ؔ਺

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DSFBUFIPOPίϚϯυͰ֤ϓϥοτϑΥʔϜͷ਽ܗΛͭ͘Δ w ࠷খݶͷϓϩδΣΫτΛͭ͘Δ w $MPVE fl BSF1BHFTΛؚΊͯͭͷςϯϓϨʔτ

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)POPͷ໨ࢦ͢΋ͷ 

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8FC4UBOEBSEͷ4UBOEBSEXFCGSBNFXPSL  👍 ࢖ͬͯ͘ΕΔਓΛ૿΍͢͜ͱͰϓϩμΫτ΁ͷϑΟʔυόοΫΛ૿΍͢

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0OFNPSFUIJOH  ͞Βʹ͋ͷϓϥοτϑΥʔϜʹ΋ʂ

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"84-BNCEB w W͔Β&YQFSJNFOUBMͰରԠɺ/PEFKTҎ্ w "EBQUFSͰରԠ w -BNCEB "1*(BUFXBZͷߏ੒ʹରԠ 

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·ͱΊ w )POP͕ +BWB4DSJQUͳΒ Ͳ͜Ͱ΋ಈ͘࢓૊Έ w ֤ϥϯλΠϜʹରԠͤ͞ΔͨΊͷυϥϚ w ϚϧνϥϯλΠϜ͔ͩΒͦ͜ͷ޻෉ w ͓޷͖ͳϥϯλΠϜͰ࢖ͬͯΈ͍ͯͩ͘͞ʂ 

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IUUQTIPOPEFW 6MUSBGBTUXFCGSBNFXPSLGPSUIF&EHF