SPA実装最前線 ~今どきのJSフレームワーク選び~
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Yohei Isokawa
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41"࣮࠷લઢ 101$03/ ޒेɹ༸ฏ ʢ͍͔ͦΘɹΑ͏͍ʣ dࠓͲ͖ͷ+4ϑϨʔϜϫʔΫબͼd
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ࣗݾհ w ޒे༸ฏʢΠιοϓʣ ্ӽࢢࡏॅͷϑϦʔϥϯεΤϯδχΞ ࢳڕࢢग़ w झຯɿυϩʔϯɺϤʔϤʔɺόεΓ w 5XJUUFSɿ!:VIJJTL w IUUQCMPHZVIJJTLDPN
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ΞδΣϯμ w γϯάϧϖʔδΞϓϦέʔγϣϯͷ͓͞Β͍ w ओཁϑϨʔϜϫʔΫ w 3FBDU w "OHVMBS w 7VFKT w ͦΕͧΕͷબͼͲ͜Ζ
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γϯάϧϖʔδΞϓϦέʔγϣϯ ʢ4JOHMF1BHF"QQMJDBUJPOʣ
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IUUQXXXBUNBSLJUDPKQBJUBSUJDMFTOFXTIUNM
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w 8FCϖʔδΛ෦తʹߋ৽ w දࣔύϑΥʔϚϯεʹ༏Ε͍ͯΔ w Ϣʔβʔମݧʢ69ʣ্͕ɻ
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'BDFCPPL
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(PPHMF.BQ
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ैདྷͷϖʔδભҠͷ8FCΞϓϦέʔγϣϯ ͱൺͯɺେ෯ʹ࣮ίετ͕͔͔Δɻ
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࣮ίετΛԼ͛ΔͨΊɺ ͜͜ʙ̏ͰҰؾʹීٴͨ͠ͷ͕ɺ 41"࣮ʹಛԽͨ͠ +BWB4DSJQUϑϨʔϜϫʔΫɻ
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ͦΕͧΕಛػೳ͕ଟ͍ͷͰɺͻͱͭͣͭ ࢼ͍ͯ͘͠ͷ͕࣌ؒඞཁɻ
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ओཁ+BWB4DSJQUϑϨʔϜϫʔΫͷհ
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w 'BDFCPPLࣾͷ6*ߏங༻ͷϥΠϒϥϦɻ w ࠓݱࡏੈքͰҰ൪ΘΕ͍ͯΔͱݴͬͯա ݴͰͳ͍΄Ͳਓؾɻ w ϑϨʔϜϫʔΫͰͳ͘ɺ͋͘·Ͱ7JFXΛ ୲͢ΔϥΠϒϥϦɻ
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w ίϯϙʔωϯτࢦ
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ίϯϙʔωϯτɹʹɹঢ়ଶɾػೳΛ࣋ͬͨ෦ ίϯϙʔωϯτΛΈ߹Θͤͯ ϖʔδΛߏங͢Δ
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-> import React from 'react'; class Hello extends React.Component { render() { return (
{this.props.message}
); } }
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w +49 w 9.-Λ֦ுͨ͠+BWB4DSJQUͷதʹ)5.-ίʔ υΛຒΊࠐΉͨΊͷΈ
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render() { return (
{this.props.text}
); }
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w 7JSUVBM%0. w 3FBDUͷόοΫΤϯυʹ͋Δ%0.ߏΛந Խͨ͠σʔλߏ IUUQTDBMFOEBSQFSGQMBOFUDPNEJ⒎
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w σʔλϞσϧͷߏมԽʹ߹Θͤͯ7JSUVBM %0.ͷલޙͷࠩΛࢉग़ w %0.ͷ࠶ඳըΛࠩͷ͋ͬͨՕॴ͚ͩߦ͏ IUUQTDBMFOEBSQFSGQMBOFUDPNEJ⒎
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w σʔλϑϩʔΞʔΩςΫνϟͱͯ͠ʮ'MVYʯΛਪɻ w 'MVYʮσʔλͷྲྀΕΛҰํʹݶఆ͢Δઃܭύ λʔϯʯ
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σʔλͷྲྀΕ͕ํʹͳΔ͜ͱͰɺγϯϓϧʹɻ
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w 'MVYΛ࣮ݱ͢ΔͨΊʹɺ3FEVYͱ͍͏ঢ়ଶཧϥ ΠϒϥϦΛ༻͢Δͷ͕ϙϐϡϥʔɻ
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w ࠷ۙ.PC9ਓؾɻ'MVYͱҟͳΔϦΞΫςΟϒ ͳσʔλϑϩʔΛఏڙɻ γϯϓϧͳ໘ɺઃܭྗ͕ඞཁɻ
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w 3FBDUͷίʔυΛͦͷ··ΞϓϦʹ͢Δ 3FBDU/BUJWFɻ w ͱʹ͔͘ਓؾͳͷͰ8FC্Ͱͷใ͕ଟ͍ w ؔ࿈ϥΠϒϥϦ๛ 3FBDUͷϝϦοτ
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w ඞཁͳͷΛࣗͰΈ߹ΘͤΔඞཁ͕͋Δ ʢϧʔςΟϯά"KBYɺσʔλཧͷϥΠϒ ϥϦͳͲʣ ˠSFBDUCPJMFSQMBUFɺDSFBUFSFBDUBQQ ɹ/FYUKT w σβΠφʔ͞Μͱڠۀ͢Δ߹ʹɺ+49͕ड ͚ೖΕΒΕͳ͍߹͕͋Δ 3FBDUͷσϝϦοτ
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w ݱࡏͷόʔδϣϯͰ෦࣮͕ॻ͖͑ΒΕͨɻ ͜Ε͔ΒঃʑʹߴԽ͞Ε͍ͯ͘ɻ
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Angular
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w "OHVMBSϑϧελοΫͷ+BWB4DSJQUϑϨʔ ϜϫʔΫɻඞཁͳͷશͯೖͬͯΔɻ
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w ίϯϙʔωϯτࢦ @Component({ selector: 'my-app', template: `
{{title}}
` }) export class AppComponent { title = 'Hello world!'; }
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w 7JSUVBM%0.
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w 8FCඪ४Λҙ͍ࣝͯ͠Δɻ w &DNB4DSJQU w &4.PEVMFT w 8FCBOJNBUJPOT w 8FCDPNQPOFOUT w FUD
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w "OHVMBSͰ5ZQF4DSJQUʢ"MU+4ʣΛ࠾༻ɻ ੩తܕ͚Λ༩ɻ
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export class HeroesComponent implements OnInit { count: number; heroes: Hero[]; selectedHero: Hero; constructor(private heroService: HeroService) { } ngOnInit() { this.getHeroes(); } getHeroes(): void { this.heroService.getHeroes().then( heroes => this.heroes = heroes ); } }
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+BWBͬΆ͍ɻ
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w ಠࣗͷ)5.-ςϯϓϨʔτγεςϜ
{{hero.name}} details!
id: {{hero.id}}
name:
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ςϯϓϨʔτߏจɺΩϞ͍
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w %FQFOEFODZ*OKFDUJPO ґଘੑͷೖ
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ڞ௨ॲཧΛఆٛͯ͠ɺ ίϯϙʔωϯτʹೖ͢Δ͜ͱͰ࠶ར༻Մೳʹ͢Δ IUUQCSBOEPODMBQQDPNXIBUJTEFQFOEFODZJOKFDUJPOBOEXIZJTJUVTFGVM
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w BOHVMBSDMJʢίϚϯυϥΠϯπʔϧʣ $-*ͰίʔυΛੜͰ͖Δɻ ϕετϓϥΫςΟεɻ ng new PROJECT-NAME cd PROJECT-NAME ng serve ng generate component my-new-component
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w όʔδϣϯʹΑͬͯݺͼํ͕ҧ͏ɻ WY"OHVMBS+4 WYd"OHVMBS WYd"OHVMBS ˞8FC্ͰใΛ୳͢ͱ͖ҙɻ
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w ඞཁͳػೳશͯ༻ҙ͞Ε͍ͯΔ ༨ܭͳ͜ͱΛߟ͑ͳ͍͍ͯ͘ɻ w 8FCඪ४ΛҙࣝͰ͖ΔͷͰɺ࠷৽ٕज़Λ࠾༻Ͱ͖Δɻ ޙʑͷҠߦ͕؆୯ w ϓϩδΣΫτ͝ͱͷϧʔϧԽ͕༰қɻ w ͘։ൃΛճͤΔ "OHVMBSͷϝϦοτ
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w ֶशίετ͕͔͔Δ ɾ"OHVMBSͷ"1* ɾ5ZQF4DSJQU ɾ3Y+4 ɾ4ZTUFNKT ɾ;POFKT "OHVMBSͷσϝϦοτ
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w ࠓ݄தʹWʹϝδϟʔΞοϓσʔτɻ w ͱ͖ͬͭͮΒ͍͚ͲɺݸਓతʹҰ൪ָ͍͠ϑϨʔ ϜϫʔΫɻ
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Vue.js
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w 7VFKT.77.ͱ͍͏.7$ͷੜछΛઃܭج൫ͱ ͯ͠ߏங͞Εͨɺ+BWB4DSJQUϑϨʔϜϫʔΫɻ w 7VF Ϗϡʔ ͱൃԻɻ w தࠃͰਓؾɻຊࠃͰѻ͍͍͢ͱਓؾ͕ߴ ·͍ͬͯΔɻ
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w ίϯϙʔωϯτࢦ
{{ msg }}
export default { name: 'hello', data () { return { msg: 'Welcome to Your Vue.js App' } } }
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w 7JSUVBM%0.
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w 7JFXͷϥΠϒϥϦςϯϓϨʔτΤϯδϯͷΈ߹ Θͤɺ3FBDUͱ"OHVMBSͷதؒɻ ͍͍ͱ͜औΓɻ
hello
{{ item.message }}
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w TDSJQUλάͰಡΈࠐΊΔ
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w TDSJQUλάͰಡΈࠐΊΔ
{{ message }}
var app = new Vue({ el: '#app', data: { message: 'Hello Vue.js!' } });
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w ୯ҰϑΝΠϧίϯϙʔωϯτ
…
export default { name: 'app' } #app { font-family: 'Avenir', Helvetica, Arial, sans-serif; }
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w WVFDMJʢίϚϯυϥΠϯπʔϧʣͰ ͻͳܗੜɻ $ vue init webpack my-project $ cd my-project $ npm install $ npm run dev
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w 3FEVYϥΠΫͳʮ7VFYʯͱ͍͏ঢ়ଶཧϥΠϒϥ ϦΛ͏ͷ͕Ұൠత
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w 8FFYͰωΠςΟϒΞϓϦ։ൃ ·࣮ͩ༻తͰͳ͍ײ͡
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w 443/VYUKT ʢϢχόʔαϧΞϓϦέʔγϣϯ༻ϑϨʔϜϫʔΫʣ
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w γϯϓϧͰ͋Δ w খ͍͞ΞϓϦέʔγϣϯͷ։ൃʹҰ൪ద͍ͯ͠Δ TDSJQUλάͰಡΈࠐΊ࠷ݶ͑Δ w ެࣜͷຊޠυΩϡϝϯτ͕ͱͯΘ͔Γ͍͢ 41"࣮ॳ৺ऀ͖ɻ 7VFKTͷϝϦοτ
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w ࡢͷϦϦʔε͔Β͕࣌ؒܦͬͯͳ͍ͷͰɺଞͷϑ ϨʔϜϫʔΫΑΓϦιʔε͕·ͩະख़ɻ ϥΠϒϥϦɾΤσΟλͷαϙʔτ͕ෆ 7VFKTͷσϝϦοτ
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w γϯϓϧͰѻ͍͍͢ͷͰɺ͜Ε͔Β3FBDUΑΓ 7VF͕ਓؾɾधཁ͕ߴ·Δ༧ɻ
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݁ہͲΕ͕͍͍ʁ
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w ࣮ίετΛ͍͑ͨ࣌ʹɻ w %0.Λॻ͖͑Δ͜ͱ͕ଟ͍ΞϓϦέʔγϣϯʹ w ಉ͡ػೳͷωΠςΟϒΞϓϦΛ࡞͢Δ߹ɻ ʢ3FBDU/BUJWFͰΞϓϦ։ൃʣ 3FBDUͷબͼͲ͜Ζ
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w ػೳΛͻͱ௨Γ֮͑ͯ͠·͑ɺ͘ݎ࿚ͳΞϓϦ έʔγϣϯߏங͕Ͱ͖Δɻ w େن։ൃʹڧ͍ɻ w ཧը໘ͳͲͷσʔλද͕ࣔଟ͍Α͏ͳΞϓϦέʔ γϣϯͱ૬ੑ͕ྑ͍ɻ w ֶशίετ͕ߴ͍ͷͰɺϓϩδΣΫτϝϯόʔͷε Ωϧʹґଘɻ "OHVMBSͷબͼͲ͜Ζ
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w ϓϩδΣΫτϝϯόʔͷ41"࣮ܦݧ͕গͳ ͍߹ʹɻ w খʙେنͷൣғͷ։ൃͰ͑Δɻ w 8FCαΠτͷ੍࡞ͰޮՌΛൃشɻ K2VFSZͷΘΓ 7VFKTͷબͼͲ͜Ζ
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w ͓͢͢Ίͷൺֱํ๏ɺ؆୯ͳΞϓϦέʔγϣϯΛ ֤ϑϨʔϜϫʔΫͰ࡞ͬͯΈΔɻ w 50%0ΞϓϦɺΘ͔Γ͍͢ಈ࡞ͷͷɺ ෳը໘ͷϧʔςΟϯάઃఆ w ετʔϦʔϒοΫ ʢIUUQTTUPSZCPPLKTPSHʣͰࢼͯ͠ΈΔɻ 6*ίϯϙʔωϯτͷ։ൃڥɻ ϕετϓϥΫςΟε
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ϓϩδΣΫτͷେ͖͞ʁ ͲΕ΄ͲͷظؒͰϝϯςφϯεͰ͖Δ͔ʁ ͯ͢ͷػೳΛ͡ΊʹఆٛͰ͖Δ͔ɺͦΕͱॊೈੑΛ࣋ͨͤΔ Α͏ཁٻ͞Ε͍ͯΔ͔ ͯ͢ͷػೳ͕ఆٛ͞Ε͍ͯΔͳΒɺͲΜͳػೳɾೳྗ͕ඞཁ͔ʁ υϝΠϯϞσϧϏδωεϩδοΫෳࡶ͔ʁ 8FC͔ϞόΠϧ͔σεΫτοϓ͔ɺͲͷΑ͏ͳϓϥοτϑΥʔϜ͕ λʔήοτ͔ʁ αʔόʔαΠυϨϯμϦϯά͕ඞཁ͔ʁ4&0ॏཁ͔ʁ ϦΞϧλΠϜΠϕϯτΛଟ͘ѻ͏͔ʁ ϓϩδΣΫτνʔϜͷਓʁ νʔϜͷ։ൃऀͨͪͷܦݧʁͲͷΑ͏ͳܦྺͳͷ͔ʁ ͦͷ··͙͢ʹ͑ΔίϯϙʔωϯτϥΠϒϥϦʔͳ͍͔ʁ அج४Λ͓ͬͯ͘
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·ͱΊ
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w ओཁϑϨʔϜϫʔΫͭ ɾ3FBDU ɹॊೈɺϦιʔε͕๛ɺωΠςΟϒΞϓϦԽ ɾ"OHVMBS ɹ༨ܭͳ͜ͱΛߟ͑ͳ͍͍ͯ͘ɺେن։ൃʹڧ͍ ɾ7VFKT ɹγϯϓϧͰѻ͍͍͢ɺͲͷنͰରԠͰ͖Δ ·ͱΊ
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w ͦΕͧΕҰҰɻͲΕ͕ྑ͍ͱҰ֓ʹݴ͑ͳ͍ w அج४Λ౿·͑ͨબΛ ·ͱΊ