How to define the relationship in vuex's state

)PXUPEFpOFUIF SFMBUJPOTIJQJOWVFYT TUBUF (PUBOEBKTJO/FYUCFBU !EPLFDIJO

ˏEPLFDIJO w .JEEMF"HFENBOXIPMJLFTUPNBLFXFC BQQMJDBUJPO CVUUFDIOPMPHZMFWFMJTʜ

*NQMFNFOUJOH8FC "QQMJDBUJPOGPSQFSTPOBMVTF w 7VF w 7VFY w WVFDMJ w 7VFUJGZ

7VFY It serves as a centralized store for all the
components in an application

.PEFM ΠΦϯ ͓٬༷ײँσʔ ͋Γ͕ͱ͏σʔ ΠτʔϤʔΧಊ ϋοϐʔσʔ

%FpOFSFMBUJPOTIJQCZ SFGFSFODF TUBUF\ TIPQT<BFPO ZPLBEP> EJTDPVOUT< \OBNFb͓٬༷ײँσʔ` TIPQBFPO^
\OBNFb͋Γ͕ͱ͏σʔ` TIPQBFPO^ \OBNFbϋοϐʔσʔ` TIPQZPLBEP^ > ^

%FpOFSFMBUJPOTIJQCZ*% TUBUF\ TIPQT<\JE OBNFbΠΦϯ`^ \JE OBNFbϤʔΧಊ`^> EJTDPVOUT< \OBNFb͓٬༷ײँσʔ`
TIPQ@JE^ \OBNFb͋Γ͕ͱ͏σʔ` TIPQ@JE^ \OBNFbϋοϐʔσʔ` TIPQ@JE^ > ^

(FUUJOHTIPQOBNFGSPN EJTDPVOU w EJTDPVOUTIPQOBNF w HFU4IPQ#Z*E EJTDPVOUTIPQ@JE OBNF 3FGFSFODFɹ *%ɹ

3FGFSFODFXBZ w 6OEFSTUBOEBCMFDPEF w /PHFUUFSSFRVJSFE

4UBUFQFSTJTUFODF QSPCMFN

6TJOH-PDBM4UPSFHF BTTUBUFTUPSF

3FGFSFODFPCKFDUJT SFQMBDFEUPWBMVF TUBUF\ TIPQT<\OBNFbBFPO`^ \OBNFbZPLBEP`^> EJTDPVOUT< \OBNFb͓٬༷ײँσʔ` TIPQ\OBNFbBFPO`^^
\OBNFb͋Γ͕ͱ͏σʔ` TIPQ\OBNFbBFPO`^^ \OBNFbϋοϐʔσʔ` TIPQ\OBNFbZPLBEP`^^ > ^

3FGFSFODFSFDPOTUSVDUJT OFFEFE var storage = JSON.parse localStorage.getItem bkey' var shops
= new Map storage.shops.map i => <i.id i> for var discount of storage.discounts { discount.shop = shops.get discount.shop.id } this.replaceState Object.assign state storage

$PODMVTJPO w 3FMBUJPOTIJQTPGNFNCFSTPG4UBUFDBOCF SFQSFTFOUFEVTJOHSFGFSFODFT w #VUDPOTJEFSBUJPOGPSQFSTJTUFODFTUPSFJT OFDFTTBSZ

How to define the relationship in vuex's state

How to define the relationship in vuex's state

Tetsuya Tatsumi

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)PXUPEFpOFUIF SFMBUJPOTIJQJOWVFYT TUBUF (PUBOEBKTJO/FYUCFBU !EPLFDIJO

ˏEPLFDIJO w .JEEMF"HFENBOXIPMJLFTUPNBLFXFC BQQMJDBUJPO CVUUFDIOPMPHZMFWFMJTʜ

*NQMFNFOUJOH8FC "QQMJDBUJPOGPSQFSTPOBMVTF w 7VF w 7VFY w WVFDMJ w 7VFUJGZ

7VFY It serves as a centralized store for all the

.PEFM ΠΦϯ ͓٬༷ײँσʔ ͋Γ͕ͱ͏σʔ ΠτʔϤʔΧಊ ϋοϐʔσʔ

%FpOFSFMBUJPOTIJQCZ SFGFSFODF TUBUF\ TIPQT<BFPO ZPLBEP> EJTDPVOUT< \OBNFb͓٬༷ײँσʔ` TIPQBFPO^

%FpOFSFMBUJPOTIJQCZ*% TUBUF\ TIPQT<\JE OBNFbΠΦϯ`^ \JE OBNFbϤʔΧಊ`^> EJTDPVOUT< \OBNFb͓٬༷ײँσʔ`

(FUUJOHTIPQOBNFGSPN EJTDPVOU w EJTDPVOUTIPQOBNF w HFU4IPQ#ZE EJTDPVOUTIPQ@JE OBNF 3FGFSFODFɹ %ɹ

3FGFSFODFXBZ w 6OEFSTUBOEBCMFDPEF w /PHFUUFSSFRVJSFE

4UBUFQFSTJTUFODF QSPCMFN

6TJOH-PDBM4UPSFHF BTTUBUFTUPSF

3FGFSFODFPCKFDUJT SFQMBDFEUPWBMVF TUBUF\ TIPQT<\OBNFbBFPO`^ \OBNFbZPLBEP`^> EJTDPVOUT< \OBNFb͓٬༷ײँσʔ` TIPQ\OBNFbBFPO`^^

3FGFSFODFSFDPOTUSVDUJT OFFEFE var storage = JSON.parse localStorage.getItem bkey' var shops

$PODMVTJPO w 3FMBUJPOTIJQTPGNFNCFSTPG4UBUFDBOCF SFQSFTFOUFEVTJOHSFGFSFODFT w #VUDPOTJEFSBUJPOGPSQFSTJTUFODFTUPSFJT OFDFTTBSZ