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フロントエンド・バリデーション
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Seiya IZUMI
October 07, 2017
Programming
5
3.4k
フロントエンド・バリデーション
WEBエンジニア勉強会 #03
Seiya IZUMI
October 07, 2017
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Transcript
ϑϩϯτΤϯυ όϦσʔγϣϯ Seiya Izumi (@sy_izumi)
ϑϩϯτΤϯυͰόϦσʔγϣ ϯ͠Α͏ʂ
Vue.jsΛ͍ͬͯΔͷͰ vue-validator͏Αʂ (Vue.js༻ͷศརͳϑΥʔϜόϦσʔγϣϯɾϞδϡʔϧ)
aaaa ʢ͜Μͳײ͡ʹ͔͚Δʂʣ
Θʙ͍
ͦΕͰ͍͍ͷ͔
όϦσʔγϣϯͱ͍͏ • ΞϓϦέʔγϣϯʹ͓͍ͯɺৗʹόϦσʔγϣ ϯ͕ϏϡʔϨΠϠͷͳͷ͔ͱ͍͏͜ͱΛ ߟ͑Δ • ΞϓϦέʔγϣϯΛෳͷϨΠϠʹ͚ʢϨ ΠϠʔυɾΞʔΩςΫνϟʣɺͦͷதͰద ͳϨΠϠʹΛ࣋ͨͤΔ
ϨΠϠʔυɾΞʔΩςΫνϟ https://dzone.com/articles/layered-architecture-is-good ʢ: υϝΠϯલఏͱͯ͠ΠϯϑϥɾϨΠϠͦͷଞԿʹґଘ͠ͳ͍ʣ
ϞσϧΛҙࣝ͢Δ • ϑϩϯτΤϯυɾΞϓϦέʔγϣϯͰʮϞ σϧʯΛݟ͚ͭΔɻ • View/ViewModelʹϩδοΫ͕ภΓ͕ͪʹͳ ΔͷΛϏϡʔίϯϙʔωϯτத৺ʹߟ ͍͑ͯΔՄೳੑ͕ߴ͍ • ͋͘·Ͱ
V=Component(State(Model))
υϝΠϯͱόϦσʔγϣϯ Ex)ʮબͰ͖Δಉ͡3ͭ·Ͱʯ Ex)ʮ૯ֹ͕3000ԁҎ্ʹͳΔΑ͏બඞਢʯ • ΞϓϦέʔγϣϯͷϏδωεݻ༗ͷࣄʹΑͬ ͯੜ·ΕΔόϦσʔγϣϯɾϩδοΫυϝΠ ϯͷ • Ϗδωεݻ༗ͷϩδοΫ͕Ϗϡʔʹ͋Δ͜ͱʹ Αׂ͕ͬͯഁ͘͢͠ͳΔ
ͰࣗͰόϦσʔγϣϯ ࣮͢Δͷେม
ͦ͜Ͱʂ
validatable-record Immutable#Record + validate.js = validatable-record
Immutable#Record const Man = new Record({ name: null, age: null
}); const man = new Man({ name: "Justine", age: 10 }); man.get("name") // "Justine" man.get("age") // 10 man.age = 20 // Here raises an error ϞσϧߏΛ࡞ΔͷʹΑ͘ΘΕΔImmutable#Record
validatable-record const hello = 100 console.log("hello world"); • const ValidatableMan
= ValidatableRecord({ name: null, age: null }, { name: { presence: true }, age: { presence: { message: "is invalid" } } }); ValidatableRecordΛImmutable#RecordͷΘΓʹ༻
class Man extends ValidatableMan { ... } const man =
new Man({ name: "Michael", age: "55" }); man.validate() // == true man.get("name") // "Michael" man.get("age") // 55 validatable-record validateϝιου͕ϝϯόͱͯ͑͠ΔΑ͏ʹͳΔɻ
class Man extends ValidatableMan { ... } const agelessMan =
new Man({ name: "Michael", }); agelessMan.validate() // == false agelessMan.getErrors() // == [ "Age is invalid" ] validatable-record getErrorsΛ͏͜ͱͰόϦσʔγϣϯΤϥʔΛऔಘͰ͖Δ
ϞσϧͰͷόϦσʔγϣϯ͕ ָʹͳΔ͔ʢʁʣ
͕͔ͩ͠͠ • ͔ͳΒͣ͠ϏϡʔϨΠϠͰͷόϦσʔγϣ ϯʹѱͰͳ͍ɻ • ͲͷϨΠϠ͕ԿͷΛ୲͏͔ͱ͍͏ νʔϜຖͷϓϥΫςΟεΛ࡞Δͷ͕࠷ྑ͍ • validatable-recordͻͱͭͷΞϓϩʔν☝
Happy Hacking!