React沼CSSArchitect - Speaker Deck

React沼CSSArchitect

by 8845musign

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@8845musign React Numa CSS Architect

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ෲےϩʔϥʔͷྗΛ৴͡Ζ @8845musign

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Anova Frontend Engineer

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Anova Frontend Engineer ϩʔετϏʔϑΛ࡞͖ͬͯ·ͨ͠ʂʂʂ

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σϞϯετϨʔγϣϯ޲͚6* ࢼ༻ظؒʹ͖߱ͬͯͨ

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6*ϚʔΫΞοϓ͸ಘҙ෼໺ʂ Ϙλϯ ϓϧμ΢ϯ

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6*ͳΒ͓ͯͷ΋ͷ Ϙλϯ ϓϧμ΢ϯ śŘʙŕţʙʂʂʂ ͔͠͠ɺ͍ͭ͜Β͕͍ͨ śŨŜƀŕţʙʂ

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ࢥͬͨҎ্ʹεϐʔυͰͳ͍ʜ

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পʹ͸·ͬͨɺͨͬͨ̐ͭͷεςοϓ

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ऴɹΘɹͬɹͨɹʁ ⾫ґཔओ

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ґཔओ͕͜Ε͔͠ݴΘͳ͘ͳͬͨ ※൒෼͸ωλͰ͢

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$44ͷίϯϙʔωϯτΛ੾Δલʹ ΅͘ͷΫϏ͕੾ΒΕͦ͏ ※͕͢͞ʹωλͰ͢

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1 ͦ͜ʹ͸ن໿΋ͳ͍̍ຕͷ޿େͳ4BTT͕޿͕͍ͬͯͨɻপͩͬͨ ࠷ޙʹ$44+4ίϯϙʔωϯτཻ౓ͷপ͕଴͍ͬͯͨ ࣍ʹίϯύΠϧεϐʔυͷপʹ଍ΛऔΒΕͨ ϓϩδΣΫτʹ͸·ͣ3FBDU͕͋ͬͨɺ๻͸3FBDU্Ͱॻ͖ग़ͨ͠ 2 3 4

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$44ͷίϯϙʔωϯτΛ੾Δલʹ ΅͘ͷΫϏ͕੾ΒΕͦ͏ ࢼ༻ظ͚ؒͩͳΜͱ͔৐Γ੾Εʂʂʂʂ ※ωλͰͬͯ͢ʂʂʂ

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$44ઃܭ ίʔσΟϯά؀ڥ ̎ͭͷଆ໘͔ΒվળΛ͢Δ

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$44ઃܭ

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Ͳ͜ʹ࡞༻͢Δ͔Λ໌֬ʹ͍ͨ͠

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ٕज़తʹ$44Λղܾ͢ΔΞϓϩʔν

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طଘͷ4BTT͔ΒͷҠߦ͸ʁ ֶशίετ͕͔͔Γͦ͏ අ༻ରޮՌ͸ʁ νʔϜશһ͕͍ͭ࢖͑ΔΑ͏ʹͳΔʁ

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ઃܭʹΑΔΞϓϩʔν https://en.bem.info/

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1 ಛఆͷٕज़ʹϩοΫΠϯ͞Εͳ͍ ωετΛపఈతʹഉআ͢Δɺͱ͍͏ࢥ૝͸ૉ੖Β͍͠ Ϋϥε໊Λߟ͑Δ͜ͱ͕೉͍͠ 1 2 Good Bad

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πʔϧ͸ઃܭΛղܾͯ͘͠Εͳ͍

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୯७Ͱ୭Ͱ΋ཧղͰ͖Δઃܭ $44ʢ4BTTʣͱXFCQBDLͷMPBEFS͚ͩͰ

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͖Ίͨ͜ͱ

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%JSFDUPSZϕʔεͷΫϥε໋໊ SomeComponent !"" ChildA !"" ChildB #"" childB.scss #"" childB.js !"" list.scss .some-component-child-a-child-b-list

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௕͍Ϋϥε໊ͷղܾ const CSS_ROOT = ‘some-component-child-a-child-b-list'; class List extends Component { render() { return

} }

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௕͍Ϋϥε໊ͷղܾ .some-component-child-a-child-b-list { &__item { … } &__button { … } … } BlockΛলུ͢Δ ͨΊ͚ͩͷωετ

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1 ίϯϑϦΫτ͸΄΅ͳ͍ Ϋϥε໊͔ΒσΟϨΫτϦΛ௥͏ͷ͕༰қ ͍ͩ͞ʜ 1 2 Good Bad

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ίϯϙʔωϯτͷཻ౓ +4ͱ$44Ͱ͕جຊʢྫ֎͸͋Δʣ

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ίϯϙʔωϯτͷཻ౓ +4ͷ౎߹ʹ߹ΘͤͯίϯϙʔωϯτΛ෼ׂ

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ྫ͑͹5BCMF head head head head body body body body body body body body body body body body body body body body body body body body body body body body

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ྫ͑͹5BCMF head head head head body body body body body body body body body body body body body body body body body body body body body body body body

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+4ʹ΍ΜΘΓͻΕ෬͢ MPPQͯ͠SFOEFS͢ΔUSͰίϯϙʔωϯτΛ੾Δ QSPQTόέπϦϨʔͷ੾Ε໨Λҙࣝ͢Δ͜ͱͰ ύϑΥʔϚϯενϡʔχϯά͕͠΍͘͢ͳΔར఺΋ )5.-$44ͷ౎߹Ͱ͚ͩͰίϯϙʔωϯτ੾ͬͯɺ͏͔ͬΓ +4࣮૷࣌ʹελΠϧ͕+4ίϯϙʔωϯτʹΑͬͯ෼அ͞ΕΔͱਏ͍

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)5.-ϚʔΫΞοϓͱ+4ίʔσΟϯά Ͱࣄલ͢Γ߹ΘͤΛ͠ͱ͘ͱ޾ͤ

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JNQPSUϧʔϧ $PNQPOFOU಺Ͱ҉໧తʹJNQPSU͞Εͨ$44ͷదԠΛېࢭ͢Δ ໌ࣔతʹJNQPSUͨ͠$44ͷΈదԠՄೳͱ͢Δ +4ͱ$44ͷͰରԠ͢Δ$44Ҏ֎͸ɺϞδϡʔϧ΋͘͠͸ γεςϜڞ௨$44ͷΈಡΈࠐΜͰྑ͍ 1 2

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҉໧తͳJNQPSUͷېࢭ Component #"" ChildComponent $ #"" child.scss $ !"" child.js #"" index.scss !"" index.js

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҉໧తͳJNQPSUͷېࢭ Component #"" ChildComponent $ #"" child.scss $ !"" child.js #"" sharedComponent.scss #"" index.scss !"" index.js ڞ௨ελΠϧͷநग़

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JNQPSUՄೳൣғ Component #"" ChildComponentA $ #"" childA.scss $ !"" childA.js #"" ChildComponentB $ #"" childB.scss $ !"" childB.scss #"" index.scss !"" index.js ໌ࣔతͰ΋ېࢭ

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JNQPSU͔ΒదԠελΠϧ͕ Θ͔Δঢ়ଶΛݎक͢Δ

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ωετېࢭ .some-class tr td {} .some-class__list__btn {} ཁૉ΋͘͠͸ΫϥεʹΑΔωετ #&.ͰͷΤϨϝϯτಉ࢜ͷωετ ωετͷൃੜ͸ίϯϙʔωϯτ෼ׂͷαΠϯ

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ωετېࢭ .some-class tr td {} .some-class__list__btn {} ཁૉ΋͘͠͸ΫϥεʹΑΔωετ #&.ͰͷΤϨϝϯτಉ࢜ͷωετ ωετͷൃੜ͸ίϯϙʔωϯτ෼ׂͷαΠϯ .some-class__list-btn͸ΞϦ

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୭Ͱ΋Θ͔Δϧʔϧ͸ਁಁ͠΍͍͢

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ίʔσΟϯά؀ڥ

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#SPXTFS4ZOD࣌୅ͷ ɹര଎NTͦͦ͜͜ͷMJWFSFMPBEͱൺ΂

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XXXXXXFCQBDLʜ

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஗͍ XFCQBDL ஗͍

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IUUQTHJUIVCDPNTUPSZCPPLTTUPSZCPPL

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ίϯϙʔωϯτ୯ҐͰ۠੾ΒΕͨ αϯυϘοΫε։ൃ؀ڥ

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γϯϓϧͳϏϧυઃఆ͕దԠ͞ΕΔɺ͸΍͍ ࣗવͱίϯϙʔωϯτ୯ҐͰͷίʔσΟϯά͕ཁٻ͞ΕΔ ίϯϙʔωϯτཆ੒Ϊϓε ผ్ɺઐ༻4UPSZΛهड़ͨ͠+4ϑΝΠϧΛ༻ҙඞཁ͕͋Δ 1 Good Bad υΩϡϝϯςʔγϣϯπʔϧͱͯ͠ΈΔͱඪ४ػೳ͸͔ͳΓශऑ ΠϕϯτͷൃՐ΋هड़Ͱ͖Δ 2 3 1 2

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Ϗϧυ͕࣌ؒ ਺T͔ΒʙTఔ౓΁ͷվળ ˞ͦ΋ͦ΋ͷݩͷXFCQBDLઃఆʹվળͷ༨஍͕͋Δ͔΋͠Εͳ͍͕

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4UPSZͷهड़ import React from ‘react'; import { storiesOf, action } from '@kadira/storybook'; import Button from ‘../components/Button'; storiesOf('Button', module) .add('with text', () => ( Hello Button ));

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TTTTTTTTTTTTTTTTUPSZʜ

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໘౗ ໘౗ TUPSZ

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> yo project:story śŕţ

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௥ՃBEEPO TUPSZCPPLTSFBDUTUPSZCPPLBEEPOJOGP આ໌จͷϖʔδ಺΁ͷهड़ɺαϯϓϧίʔυ΍ QSPQTҰཡΛࣗಈੜ੒͕Մೳ UVDILTUPSZCPPLSFBENF NBSLEPXOܗࣜͷ3&"%.&ϑΝΠϧΛදࣔ 1 2

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ࠔΓࣄ ϝχϡʔͷ֊૚Խ͕Ͱ͖ͣɺ໊લͷ෇͚ํ΍ ̍ϖʔδʹෳ਺4UPSZΛهड़͢ΔͳͲͰରԠʜ

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ࠔΓࣄ ϝχϡʔͷ֊૚Խ͕Ͱ͖ͣɺ໊લͷ෇͚ํ΍ ̍ϖʔδʹෳ਺4UPSZΛهड़͢ΔͳͲͰରԠʜ ୭͔ڭ͍͑ͯͩ͘͞ʂ

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$44ઃܭ ίʔσΟϯά؀ڥ ໎Θͳ͍ ໌֬ͳϧʔϧઃఆ ࣮૷εϐʔυΛམͱ͞ͳ͍ շదͳ؀ڥͷ௥ٻ

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⾫ґཔओ

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͋Μ͠Μ

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ࠓޙͷ53:

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4UZMF(VJEFӡ༻ϑϩʔͷཱ֬

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4UZMF(VJEF 4UPSZCPPLΛ࢖͏ 3FBDUίϯϙʔωϯτΧλϩάͱσβΠϯΨΠυϥΠϯΛ౷߹ ΤϯδχΞ͔ΒσβΠφʔɺϓϩδΣΫτʹؔΘΔਓ͢΂ͯʹ ͱͬͯՁ஋ͷ͋Δ΋ͷͱ͢Δ

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Build Design ΤϯδχΞ σβΠφʔ

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Build Design ΤϯδχΞ σβΠφʔ HJUQVTI

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Build Design ΤϯδχΞ σβΠφʔ HJUQVTI +FOLJOTͰ੩తϏϧυ

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Build Design ΤϯδχΞ σβΠφʔ HJUQVTI +FOLJOTͰ੩తϏϧυ #PPLΛνΣοΫͭͭ͠ σβΠϯ

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Build Design ΤϯδχΞ σβΠφʔ HJUQVTI +FOLJOTͰ੩తϏϧυ #PPLΛνΣοΫͭͭ͠ σβΠϯ σβΠϯΛίʔσΟϯά ͭͭ͠ΨΠυԽ

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Build Design ΤϯδχΞ σβΠφʔ HJUQVTI +FOLJOTͰ੩తϏϧυ #PPLΛνΣοΫͭͭ͠ σβΠϯ σβΠϯΛίʔσΟϯά ͭͭ͠ΨΠυԽ ҰఆظؒͷΠςϨʔγϣϯͰ܁Γฦ͢

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Build Design ΤϯδχΞ σβΠφʔ ٕज़తͳো֐΍Ͱ͖Δ͜ͱ Λ఻͍͑ͯ͘ σβΠϯͷ๏ଇੑ΍ ίϯϙʔωϯτΛൃݟ ྫ͑͹Ϛʔδϯ୯Ґ΍Α͘࢖ΘΕΔ৭ͳͲ

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Build Design ΤϯδχΞ σβΠφʔ ϒϥϯσΟϯάؚΊΑΓ େ͖ͳࢹ఺͔ΒͷνΣοΫ

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Build Design ΤϯδχΞ σβΠφʔ ϒϥϯσΟϯάؚΊΑΓ େ͖ͳࢹ఺͔ΒͷνΣοΫ ίϛϡχέʔγϣϯϋϒ

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4UZMF(VJEFΛ࢖ͬͯ౸ୡ͍ͨ͠Ϩϕϧ

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σβΠφʔͷηϯεΛ໌Β͔ʹͯ͠ ϊϯσβΠφʔ΋σβΠϯʹࢀՃͰ͖Δ

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σβΠϯΛεΩϧͱͯ͠ଊ͑Δ

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ͨ·ʹ͸ ΤϯδχΞ΋σβΠϯͯ͠ΈΔτΧ

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Atomic Design Ebook Ϟδϡʔϧࢦ޲ͷσβΠϯ ΫϥΠΞϯτɾ૊৫ͷઆಘ ӡ༻ϑϩʔͷߏங σβΠϯγεςϜͷ༗ޮੑ

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Atomic Design Ebook Ϟδϡʔϧࢦ޲ͷσβΠϯ ΫϥΠΞϯτɾ૊৫ͷઆಘ ӡ༻ϑϩʔͷߏங σβΠϯγεςϜͷ༗ޮੑ

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Atomic Design Ebook Ϟδϡʔϧࢦ޲ͷσβΠϯ ΫϥΠΞϯτɾ૊৫ͷઆಘ ӡ༻ϑϩʔͷߏங σβΠϯγεςϜͷ༗ޮੑ Ϟδϡʔϧ͝ͱʹϑΥʔΧεͯ͠ධՁ͢Δ ·ͣ͸Կ͕ඒ͍͠ͷ͔ʁΛΫϥΠΞϯτͱͭΊΔ

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http://atomicdesign.bradfrost.com/chapter-2/

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http://atomicdesign.bradfrost.com/chapter-2/ ཻ౓ͷ࿩͸͋Μ·͠ࡌͬͯͳ͍

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http://atomicdesign.bradfrost.com/chapter-2/ atomic design is not rigid dogma - Brad Forst

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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠