AngularJSからのリプレイスから学ぶアンチパターン

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$0/'*%&/5*"- "OHVMBS+4͔ΒͷϦϓϨΠε͔Β ֶͿΞϯνύλʔϯ OHKBQBO0O"JS

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ 1SPpMF LJUBHBXB !LJUBHBXBNBD 'SPOUFOE&OHJOFFS

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ 5ZQFTDSJQU "OHVMBS (SVOU 5ZQFTDSJQU "OHVMBS "OHVMBS$-* 3YKT /HSY 7FSTJPO ೥݄࣌఺ 7 7

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ ಉػೳΛ࠶ߏங ϒϥ΢βαϙʔτ͸੍ݶ *&FEHFҎԼ͸ඇਪ঑ ผ63-ʹਵ࣌ϦϦʔε͢Δ ϦϓϨΠεͷํ਑

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ ϦϓϨΠεํ๏ ஔ׵ ࣸܦ

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ $PNQPOFOU $POUSPMMFS $PNQPOFOU $PNQPOFOU $POUBJOFS $PNQPOFOU 1SFTFOUBUJPO

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ $POUBJOFS$PNQPOFOUʹTUBUF؅ཧ΍SPVUF؅ཧ͕ूத͢ΔͷͰɺ'BUͳ$PNQPOFOUʹͳΓ΍͍͢ Ξϯνύλʔϯᶃ $POUBJOFS$PNQPOFOUϖʔδ୯Ґ ❌#BE

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ Ξϯνύλʔϯᶃ $POUBJOFS$PNQPOFOUϖʔδ୯Ґ #FUUFS $POUBJOFS$PNQPOFOUΛωετͯ͠ɺػೳ୯Ґͷཻ౓ʹ͢Δɻ

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ 5FNQMBUF )5.- 'JMUFS )5.- 1JQF

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ 5FNQMBUF ςϯϓϨʔτͷߏจΛม׵ OHJG OH*G OHDMBTT

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ Ξϯνύλʔϯᶄ 1JQFͷଟ༻ ❌#BE ม׵ॲཧͱͯ͠1JQFΛ4FSWJDF΍1JQFʹ%*ͯ͠QJQFΛར༻͢Δɻ

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ Ξϯνύλʔϯᶄ 1JQFͷଟ༻ QJQFͷUSBOTGPSN಺ΛQVSFͳGVODUJPOͱͯ͠੾Γग़ͯ͠4FSWJDFͳͲͰར༻͢Δɻ #FUUFS

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ 5FNQMBUF্ͷ1JQFͷσϝϦοτ ɾςετͮ͠Β͍ ɾܕ҆શͰͳ͍ Ҿ਺͕BOZʹͳΔ Ξϯνύλʔϯᶄ 1JQFͷଟ༻ 5FNQMBUF্Ͱ1JQFΛ࢖ͬͨม׵ΛͤͣʹɺDPQNPOFOU಺Ͱม׵Λߦ͔ͬͯΒUFNQMBUFʹ౉͢ɻ ·ͨ͸7JFX.PEFMΛར༻͢Δɻ #FUUFS

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ DPOUSPMMFS QSPQFSUZ TUBUF 4UBUFNBOBHFNFOU OHSY SFEVDFS BDUJPO FGGFDU

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ 4UBUFNBOBHFNFOU ɾTUBUFΛ0CTFSWBCMFʹ DPNQPOFOU UFNQMBUF

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ 4UBUFNBOBHFNFOU ɾ஋ͷมߋॲཧ͸BDUJPOSFEVDFSʹ ɾ֎෦"1*ͱͷσʔλͷ΍ΓͱΓ͸FGGFDUʹ

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ Ξϯνύλʔϯᶅ F⒎FDUͷଟ༻ FGGFDUΛൃՐ͢Δ͚ͩͷBDUJPOΛ࡞Ζ͏ͱ͍ͯͨ͠Β஫ҙɻ FGGFDU͸෭࡞༻Λදݱ͢Δ΋ͷͰ͋Γɺ෭࡞༻ඇಉظॲཧͰ͸ͳ͍ɻ ࡞༻͕ͳ͘෭࡞༻͚ͩͷ৔߹͸ݟ௚͢༨஍͋Γɻ ⚠8BSO 4UPSF <"DUJPO> -PBE-JTU &⒎FDU <"DUJPO> -PBE4VDDFTT

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ Ξϯνύλʔϯᶆ F⒎FDUͷଟ༻ #FUUFS ඇಉظॲཧͰ͋ͬͯ΋SFEVDFS΍DPNQPOFOUͰBTZODBXBJUΛ࢖ͬͯදݱͰ͖Δɻ

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ Ξϯνύλʔϯᶆ DPNQPOFOU಺ͰͷPG5ZQF DPNQPOFOU಺ͰBDUJPOͷTVCTDSJCFΛߦ ͏ɻ EJTQBUDI͞ΕͨBDUJPO͕Ͳ͜Ͱ؂ࢹ͞Εͯ Δ͔೺Ѳ͕ࠔ೉ʹͳΔ ❌#BE #FUUFS DPNQPOFOUͰPG5ZQF͸ۃྗ࢖Θͳ͍ɻ TUPSFͷTUBUFͷTVCTDSJCFͰ୅༻ɻ

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ BOHVMBSVJSPVUFS 3PVUFS BOHVMBSSPVUFS

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ 3PVUFS SFTPMWF͸DBO"DUJWBUFʹม׵ɻ BOHVMBSSPVUFSͰ͸SFKFDU͢Δ͔ΛDBO"DUJWBUFͰ؅ཧ͞ΕΔɻ

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ Ξϯνύλʔϯᶇ HVBSEͰͷ෭࡞༻ DBO"DUJWBUF಺ʹ$PNQPOFOUͷॳظԽॲཧ Λࠞ߹͠ͳ͍Α͏ʹ஫ҙɻ ⚠8BSO

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$0/'*%&/5*"-5PSFUB*OD "MM3JHIU3FTFSWFEɹ UJQTɾ࠷ॳʹ΍͓͖͍ͬͯͨ͜ͱ UTDPOpHͷઃఆ lTUSJDUzUSVF BOZ͸ͳΔ΂͘ഉআ͢Δ ్த͔Βઃఆ͢Δ৔߹͸ɺcVOEGJOFE΍OVMM VOEFGJOFEνΣοΫΛ௥Ճͯ͠ΤϥʔΛແ͔ͯ͘͠Β ঃʑʹ֎͢ #FUUFS

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