Utility-first な CSS-in-JS 〜Tailwind CSS と Chakra UI を添えて〜 / Utility-First CSS-in-JS

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14. ύλʔϯ3: CSS-in-JS • 1ϑΝΠϧ಺ͰఆٛՄೳ • styled.λά໊Ͱఆٛ • ม਺ຒΊࠐΈ΋Մೳ // Article.tsx import styled from '@emotion/styled' import theme from '...' const Title = styled.div({ fontWeight: 'bold', fontSize: 14, color: theme.colors.primary, }) export const Article: React.FC = () => ( <div> <Title>هࣄͷλΠτϧ</Title> {/* ... */} </div> )
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17. ຊ೔ͷςʔϚ 6UJMJUZ fi STU
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18. CSS ͋Δ͋Δ )5.- $44 <div class="title-wrapper"> <div class="title">هࣄͷλΠτϧ</div> <div class="timestamp">12:23</div> </div> .title { font-weight: bold; font-size: 14px; } .title-wrapper { display: flex; } ͪΐͬͱσβΠϯௐ੔͢ΔͨΊͷ
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20. Tailwind CSS ʹΑΔελΠϦϯά ࣗલͰͷ
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21. ຊ೔ͷςʔϚ 6UJMJUZ fi STU
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22. Utility ͱ͸… $44
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23. ຊ೔ͷςʔϚ 6UJMJUZ fi STU
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25. Chakra UI ͷྫ // Article.tsx import { Box } from '@chakra-ui/react' export const Article = (props) => ( <Box {...props}> <Box fontWeight="bold" fontSize={['md', 'lg']} color="gray.300" > هࣄͷλΠτϧ </Box> </Box> ) • ελΠϧΛίϯϙʔωϯτͷpropͰఆٛՄೳ • prop໊΍৭໊ͳͲ͸ܕ҆શͰิ׬͕ޮ͘ • ৭΍αΠζͷςʔϚΛద༻Մೳ • Ϩεϙϯγϒ΋؆୯ʹఆٛ ※ ਌ʹ props Λશ෦౉͢ͱɺࣗલίϯϙʔωϯτ΋ Utility ࢖͑ͯΦεεϝ
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27. ༨ஊɿଞͷએݴత UI ϑϨʔϜϫʔΫ @override Widget build(BuildContext context) { return Center( child: Text( 'Click me!', style: TextStyle( fontSize: 60.0, fontWeight: FontWeight.bold, ), ), ); } 6UJMJUZ fi STU
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28. ·ͱΊ 6UJMJUZ fi STU
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