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複雑なJavaScriptアプリケーションに立ち向かうためのアーキテクチャ
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Shinpei Maruyama
August 04, 2017
Programming
36
15k
複雑なJavaScriptアプリケーションに立ち向かうためのアーキテクチャ
Shinpei Maruyama
August 04, 2017
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Transcript
CZ͠Μ͍BLBೣܕԻػ ෳࡶͳ+BWB4DSJQU ΞϓϦέʔγϣϯʹ ཱ͔ͪ͏ͨΊͷ ΞʔΩςΫνϟ
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BCPVUNF
ෳࡶͳ ΞϓϦέʔγϣϯʹ Կߟ͑ͣ ཱ͔ͪ͏ͱ
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ը૾QJDLFS
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࠷ۙߘ͞Εͨը૾
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%0.ΛίʔυͰ࡞ͬͯΔ
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Πϕϯτϋϯυϥ͕ࢄΒ͔ͬͯΔ
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୯७ͳΞϓϦέʔγϣϯ %0.ૢ࡞ ঢ়ଶ ঢ়ଶΛมߋ͢ΔϩδοΫ "1*ͷΞΫηε ͻͱͭͷύʔπ ݟΕॆ શ෦Θ͔Δ ΠϕϯτϋϯυϦϯά %0.ఆٛ
$44ఆٛ
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ঢ়ଶ "1*ͷΞΫηε ঢ়ଶΛมߋ͢ΔϩδοΫ ঢ়ଶ %0.ૢ࡞ "1*ͷΞΫηε ঢ়ଶ ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά %0.ఆٛ %0.ఆٛ %0.ఆٛ %0.ఆٛ $44ఆٛ $44ఆٛ $44ఆٛ $44ఆٛ
ෳࡶͳͷ ׂ౷࣏͍ͨ͠
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NM
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ঢ়ଶ %0.ૢ࡞ "1*ͷΞΫηε ঢ়ଶ ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά %0.ఆٛ %0.ఆٛ $44ఆٛ $44ఆٛ
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ঢ়ଶετΞ 7.
ঢ়ଶετΞ 7JFX
ঢ়ଶετΞͷߋ৽
None
ΠϕϯτϋϯυϦϯά w 7JFX͔Β͖ͨΠϕϯτΛड͚औͬ ͯͳΜ͔͢Δ
ΠϕϯτΛͪड͚ͯ
.PEFMΛEJTQBUDI
ΠϕϯτϋϯυϦϯά w ड͚औͬͯ.PEFMΛEJTQBUDI͢ Δ͚ͩ w ͦͷଞʮϩδοΫʯʮঢ়ଶʯͱ͔શ ෦Ϟσϧʹॻ͍ͯ͋Δ
.77. 7JFX .PEFM 1SFTFOUBUJPO %PNBJO 7JFX.PEFM 7JFXͰ ΫϦοΫΠϕϯτ͕ ൃੜͯ͠
.77. 7JFX .PEFM 1SFTFOUBUJPO %PNBJO 7JFX.PEFM 7JFX.PEFM͕ .PEFMͷ ͲΜͳϝιουΛ ୟ͔ܾ͘ఆͯ͠
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7JFX.PEFMͷ͠͝ͱ w .PEFMͷΛ7JFXʹө͠ͳ͍ ͱ͍͚ͳ͍ w .PEFM͕มԽͨ͠ΒͦΕΛॻ͖ ͍ͨ͠ w Φϒβʔόʔύλʔϯͩʂ
.PEFMͷ௨Λड͚औͬͯॻ͖͢
.77. 7JFX .PEFM 1SFTFOUBUJPO %PNBJO 7JFX.PEFM 0CTFSWFSύλʔϯͰ .PEFMͷมԽΛࢹ
.77. 7JFX .PEFM 1SFTFOUBUJPO %PNBJO 7JFX.PEFM EBUBCJOE FWFOU EJTQBUDI /PUJGZ
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"GUFS1%4 w %0.ߏ͕Ͳ͏ͳͬͯΔ͔7JFX ݟΕ͍͍ w ঢ়ଶ.PEFMʹ͋ͬͯͦΕΛಡΈग़ ͢ w Πϕϯτͱϋϯυϥ7JFX
7JFX.PEFMʹཧ͞Εͨ
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ͱ͜ΖͰ.PEFMʁ
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ঢ়ଶ %0.ૢ࡞ "1*ͷΞΫηε ঢ়ଶ ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά %0.ఆٛ %0.ఆٛ .PEFM 7JFX $44ఆٛ 7JFX.PEFM
·ͩࠞಱͱ͍ͯ͠Δ
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w ΠϯϑϥετϥΫνϟ
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ͦ͜Ͱ $MFBO "SDIJUFDUVSF
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$MFBO"SDIJUFDUVSF w ந͕ߴ͘ɺςελϏϦςΟͷߴ ͍υϝΠϯΛத৺ʹͯ͠ɺଆʹ ରͯ͠ґଘ͢ΔΑ͏ʹ͠·͠ΐ͏ɻ ͱ͍͏ίϯηϓτɻ۩ମతͳύλʔ ϯنఆ͍ͯ͠ͳ͍ɻ
$"Λ࣮ݱ͢Δ࣮ύλʔϯ w %*ύλʔϯ w ΠϯϑϥετϥΫνϟΛ%*ͯ͠Πϯϑ ϥετϥΫνϟͷґଘஅͪΔ w ϓϨθϯςʔγϣϯΛ%*ͯ͠ϓϨθϯ ςʔγϣϯͷґଘΛஅͪΔ .71
ͳͲ
$"Λ࣮ݱ͢Δ࣮ύλʔϯ w Φϒβʔόʔύλʔϯ w ϓϨθϯςʔγϣϯΛϞσϧ͕ݺͼ ग़͢Μ͡Όͳͯ͘ɺϓϨθϯςʔγϣϯ ΛϞσϧ͕ࢹ͢Δ .7$ .77. ͳͲʣ
.77.-"ͰΔͳΒ 1SFTFOUBUJPO "QQMJDBUJPO %PNBJO *OGSBTUSBDUVSF .77.ʹΑΔ PCTFSWFSQBUUFSO %*QBUUFSO
ঢ়ଶΛͲͷΑ͏ʹ ѻ͏ͷ͔
ঢ়ଶཧͭΒ͍ w %PNBJOͷ͍Ζ͍Ζͳͱ͜Ζʹঢ়ଶ ͕ࢄΒͬͯ͠·͍ͬͯΔ w ίϚϯυʢঢ়ଶΛมߋ͢Δૢ࡞ʣʹ ͍ͭͯυϝΠϯ͕Ϛον͢ΔΜͩ ͚ͲɺΫΤϦʢঢ়ଶͷಡΈग़͠ʣʹ ͍ͭͯͦ͏Ͱͳ͍͜ͱ͕ଟ͍
ͦ͜Ͱ$234
w ঢ়ଶͷߋ৽ෳࡶͳϏδωεϩδο ΫΛ͏ͨΊɺυϝΠϯϞσϧΛར ༻ͯ͠ߦ͍ɺঢ়ଶΛอଘ͢Δ4UBUF ʹอଘ͢Δ $ͱ2Λ͚Δ
w ঢ়ଶͷಡΈग़͠4UBUFʹอଘ͞ Ε͍ͯΔঢ়ଶΛ͖উखʹಡΈ ग़͢ $ͱ2Λ͚Δ
$ͱ2Λ͚Δ 1SFTFOUBUJPO $PNNBOE %PNBJO *OGSBTUSVDUVSF4UBUF DPNNBOE RVFSZ 2VFSZ
%0.ૢ࡞ ঢ়ଶ ঢ়ଶΛมߋ ͢Δ ϩδοΫ "1*ͷΞΫηε %0.ૢ࡞ ঢ়ଶΛมߋ ͢Δ ϩδοΫ
"1*ͷΞΫηε ঢ়ଶ %0.ૢ࡞ "1*ͷΞΫηε ঢ়ଶ ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά ΠϕϯτϋϯυϦϯά %0.ఆٛ %0.ఆٛ %PNBJO $44ఆٛ 1SFTFOUBJPO 2VFSZ $PNNBOE
w IUUQTHJUIVCDPN 4IJOQFJN 4DBMBKT5PEP&YBNQMF ࢀߟ࣮
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"ύʔτ·ͱΊ w ෳࡶͳΞϓϦέʔγϣϯΛݟ௨͠Α ͘࡞ΔͨΊʹΛׂ͢Δඞཁ ͕͋Δ
"ύʔτ·ͱΊ w ׂͷࢦͱͯ͠1%4ɺ -BZFSFE"SDIJUFDUVSFɺ $MFBO"SDIJUFDUVSFɺ$234Λݟ͖ͯͨ w ۩ମతͳ࣮ύλʔϯʹϔΩαΰφϧΞʔ ΩςΫνϟ.71ͱ͔͍Ζ͍Ζ͋Δ w ͦΕΒ͕ʮͲΜͳΛͲ͏ׂͯ͠ղܾ͢
ΔͨΊͷͷͳͷ͔ʯΛҙࣝ͢Δ͜ͱ͕େࣄ
$. w ͝ཡͷϓϨθϯςʔγϣϯɺגࣜձࣾϝ σΟϩϜͷఏڙͰ͓ૹΓ͓ͯ͠Γ·͢ w 8FSFIJSJOH w Ұॹʹઃܭߟ͑ͳ͕Βಇ͖͍ͨϓϩάϥϚ ืूதʂ w
J04"OESPJEϓϩάϥϚෆ͍ͯ͠·͢
#ύʔτ
࣮ࡍʹͲ͏ͬͯॻ͘ͷʁ w $234Λߟ͑ͳ͍ɺঢ়ଶجຊత ʹαʔόʔʹ࣋ͨͤΔɺ୯७ͳ -BZFSFE"SDIJUFDUVSFͷΞϓ Ϧέʔγϣϯͷྫ
࣮ࡍʹͲ͏ͬͯॻ͘ͷʁ w 1SFTFOUBUJPO w "QQMJDBUJPO w %PNBJO w *OGSBTUSVDUVSF
෮श
1SFTFOUBUJPO w 7JFX w 7JFX.PEFM w ͜ΕϑϨʔϜϫʔΫͱ͔͕༻ҙ͠ ͯ͘ΕΔͷͰΘ͔Γ͍͢෦
"QQMJDBUJPO w "QQMJDBUJPO4FSWJDF w ίϚϯυͷϑΝαʔυʹͳΔ෦ w ϓϨθϯςʔγϣϯ͔ΒͷೖྗΛड͚औ Γɺ%PNBJO*OGSBTUSBDUVSF Λૢ࡞͢Δ
%PNBJO w %PNBJO.PEFM w ͜͜΄Μͱཁ݅ʹΑΔͷͰ֤͕ࣗ Μͬͯ͘Εͱ͔͠ݴ͑ͳ͍
*OGSBTUSVDUVSF w "1*ΞΫηε͢Δ܅ w ϒϥβͷఏڙ͢Δ"1*ͷΞΫη ε w 8FC"VEJPͱ͔ w 8FC4UPSBHFͱ͔
w GFUDI"1*ͱ͔
͔͠͠ ݱ࣮ݫ͍͠
ཱ͔ͪͩΔݱ࣮ w ݱ࣮ͷཁ݅Λ͜ͳ͍ͯ͠Δͱʮ͜Εͬ ͯͲ͜ʹॻ͚͍͍ΜͩΖ͏ʯͬͯ ͜ͱ͕݁ߏ͋Δ w ྫΛͻͱͭͣͭݟ͍͖ͯ·͢
+40/ %PNBJO.PEFM
+40/%PNBJO.PEFM w "1*͔ΒϓϨʔϯͳKTPO͕ฦͬ ͯ͘Δ w υϝΠϯʹॻ͍ͨϞσϧʹͲ͜Ͱ ม͢Δͷʁ
w %%%ͷͻͱͨͪΑ͘ʮഊࢭʯͬͯͷΛ ࡞ͬͯΔɻཁ͢Δʹ֎෦ͷσʔλΛ෦ͷυϝΠ ϯͷΦϒδΣΫτʹม͢Δ܅ w Ͳ͜·ͰΔ͔͋ͳͨ࣍ୈΈ͍ͨͳͱ͜Ζ͋Δ w Θͨ͠σʔλιʔε͕୯ҰͳΒ %PNBJO.PEFMʹʮCVJME'SPN99ʯΈ͍ͨ ͳϝιουੜ͢͜ͱ͕ଟ͍Ͱ͢
+40/%PNBJO.PEFM
+40/%PNBJO.PEFM
w %PNBJO.PEFMʹɺදࣔʹؔ͢Δϩδο Ϋσʔλ࣋ͨͤͨ͘ͳ͍ʢͨͱ͑ NBMFΛʮஉੑʯʹม͢Δͱ͔ʣ w ͡Ό͋දࣔʹؔ͢Δ͜ͱͲ͜ʹॻ͘ͷʁ w 7JFX.PEFMʁ7JFX.PEFM͕ࣄ͗͢͠ ʹͳΔ w
7JFXʁ7JFXʹϩδοΫॻ͖ͨ͘ͳ͍ %PNBJO.PEFM1SFTFOUBUJPO
w 1SFTFOUBUJPOσΟϨΫτϦʹ ʮ)FMQFSʯͬͯͷ࡞ͬͯΔɻ w 7VF͏࣌EBUBͱ͔ʹͨ͢Ί ʹQMBJOͳKTPOు͘Α͏ʹͯ͠Δ %PNBJO.PEFM1SFTFOUBUJPO
%PNBJO.PEFM1SFTFOUBUJPO
%PNBJO.PEFM1SFTFOUBUJPO
w +40/ు͘ͱ͜Ζ͚ͩͲɺ͜ ͜ݟΕͲ͏͍͏ϓϩύςΟ͕ੜ͑ ͯΔ͔Θ͔ΔͷͰɺଞਓະདྷͷࣗ ͕ݟΔͱ͖ʹ1SFTFOUBUJPO ͚ͩݟΕΘ͔ΔͷͰ %PNBJO.PEFM1SFTFOUBUJPO
ϑΥʔϜͷ όϦσʔγϣϯ
w "QQMJDBUJPOʹ$PNNBOEͬͯ ͍͏ΫϥεΛ࡞Δ w $PNNBOEʮΞϓϦέʔγϣϯ ͷೖྗʯΛϞσϧԽͨ͠ͷ w ೖྗ͕WBMJE͔Ͳ͏͔͍͕ͭ͜அ ͖͢ ϑΥʔϜͷόϦσʔγϣϯ
ϑΥʔϜͷόϦσʔγϣϯ
ϧʔςΟϯάʹ ·ͭΘΔॾ
w υϝΠϯϞσϧͷʹΑͬͯ63- ΛΈཱͯͳ͍ͱ͍͚ͳ͍ͱ͖ͱ͔ w ը໘ભҠ6*ʹ·ͭΘΔ͜ͱͳͷ Ͱɺ1SFTFOUBUJPOͷ ϧʔςΟϯάʹ·ͭΘΔॾ
w ͔͠͠7JFXͰΓͨ͘ͳ͍͠Ͱ ͖ͳ͍͜ͱ͋Δ w 7JFX.PEFMʹ༨ܭͳͷॻ͖ ͨ͘ͳ͍ w )FMQFSʹੜͯ͠͠·͏ ϧʔςΟϯάʹ·ͭΘΔॾ
ϧʔςΟϯάʹ·ͭΘΔॾ
ͦͷଞ༷ʑͳ ઃܭʹ͍ͭͯ ࠙ձʹͯ ͥͻٞ ͍ͤͯͩ͘͞͞
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w $MFBO"SDIJUFDUVSF w $24 w FUD
࠷ޙʹͱͯ େͳ͜ͱ
!45"3@;&30ͷ໊ݴ
ઃܭʹਖ਼ղͳ͍ w ͨͩ͠ɺͷେ͖࣭͞ʹΑͬͯ ܾ·Δʮ࠷దͳઃܭʯ͋Δ w ݪཧݪଇΛ্ͬͨͰɺඞཁʹԠ͡ ͯͦΕΒΛར༻͠Α͏ w ͦͯͦ͠ΕΛνʔϜͰڞ༗͠Α͏
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3FBDU 3FEVYͰ͍ͬͯΔઃܭ IUUQOPOIBUFOBCMPHDPNFOUSZ