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日本語: Skinny Controllers, Skinny Models #m3dev
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Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
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Kazuhiro Sera
July 05, 2013
Technology
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日本語: Skinny Controllers, Skinny Models #m3dev
7 つの実装パターンと Code Climate を使った実際のリファクタリング実践の紹介です。
Kazuhiro Sera
July 05, 2013
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Transcript
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• IUUQTDPEFDMJNBUFDPNHJUIVC TFSBUDIHJTUVC
$PEF$MJNBUF3BUJOH
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͍ͯ͠Δʢ3VCZ,BJHJͰͷൃදͰ༻ʣ • IUUQTHJUIVCDPNDPEFDMJNBUF SFGBDUPSJOHGBUNPEFMT
3BJMT"DUJWF3FDPSE • 1SPγϯϓϧ͞ • $PO%#ͷςʔϒϧͱΛڧ͍ΒΕΔ
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4LJOOZ.PEFMT • 'BU.PEFMTͱΑ͘ݴΘΕΔ͕.PEFM 4LJOOZͰ͋Δ͖ͳΜͰʁ
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• !CSZOBSZɺఆ൪ͷ࣮ύλʔϯΛ͏· ͘3BJMTͷNPEFMͷϦϑΝΫλϦϯάʹ ద༻͢Δํ๏ΛఏҊ͍ͯ͠Δ
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7JFX0CKFDUT • 1PMJDZ0CKFDUT • %FDPSBUPST
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• ۩ମྫɿ1IPOF/VNCFSɺ.POFZɺ 3BUJOHͳͲ
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࣮ફͯ͠Έͨ • ࣮ࡍʹύλʔϯΛͬͯ(JTUVCͷϦϑΝ ΫλϦϯάΛͯ͠Έͨ
ύλʔϯΛ࣮ફ͢Δલ
ύλʔϯΛ࣮ફͨ͠ޙ
ͬͨ͜ͱ • ͬͨύλʔϯ4FSWJDF0CKFDUT͚ͩ • ୯ʹ$POUSPMMFS͔Β4FSWJDFʹΓग़͠ ͚ͨͩͩͱɺࠓͦͷ৽͍͠4FSWJDF ͷείΞ͕ѱ͔ͬͨʢͨΓલʣ • ෳࡶͷߴ͗͢ΔϝιουΛ໊લΛ͚ ΒΕΔ୯Ґʹׂ
• ίʔυͷॏෳΛڞ௨Խ
վળͷաఔ
ࠓ͔Βग़དྷΔ͜ͱ • తʹ"3ͷΫϥεϝιουʹ͠ͳ͍ • "3Ͱͳ͍ϞσϧͲΜͲΜͭ͘Δ • $POUSPMMFSʹ"3NPEFMݺͼग़͠Λζϥ ζϥॻ͘ΑΓ4FSWJDFʹ͢Δ • ෳࡶͳϑΥʔϜ'PSNΛಋೖ͢Δ
• "3ʹදࣔ༻ϩδοΫΛ࣋ͨͣ7JFX 0CKFDUͰϥοϓͯ͠දࣔॲཧʹ͢
·ͱΊ • طʹ࣮ફ͞Ε͍ͯΔͷଟ͍͕ɺύλʔ ϯʹ໊લ͕͍ͭͯݴޠԽ͞ΕΔ͜ͱେࣄ • ࠷ॳγϯϓϧͰΑ͍ʢύλʔϯͷΓ͢ ͗PWFSFOHJOFFSJOHʣ • ΞϓϦ͕ҭ͍ͬͯ͘தͰنʹԠͨ͡Ϧ ϑΝΫλϦϯάඞཁʹͳ͍ͬͯ͘
• ͨͩ͠ɺेͳίʔυΧόϨοδඞਢ
ΞϓϦنͱΞʔΩςΫνϟ
2" .5FDI5BMLNEFW ,B[VIJSP4FSB!TFSBUDI "OZ2VFTUJPO