NĂŁo sou um expert em React mas tenho trabalhado com o framework nos Ășltimos meses e posso dizer que o pacote classnames Ă© algo que tem ajudado bastante.
Como cĂłdigo Ă© melhor que palavras, vamos ao que interessa. Eu costumava a fazer algo assim:
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| const MyComponent = ({ condition }) => ( | |
| <div className={`myClass ${condition ? 'is-active' : ''}`}></div> | |
| ) |
ouâŠ
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| const MyComponent = ({ condition }) => { | |
| const myComponentClass = condition ? 'is-active' : ''; | |
| return ( | |
| <div className={`myClass ${myComponentClass}`}></div> | |
| ) | |
| } |
JĂĄ funciona! :) Mas dĂĄ pra deixar mais legal, principalmente pensando quando o nĂșmero de classes CSS aumentar. Foi entĂŁo que apareceu essa maravilha chamada classnames
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| import classnames from 'classnames'; | |
| const MyComponent = ({ condition, anotherCondition }) => { | |
| const myComponentClasses = classNames({ | |
| 'myClass': true, | |
| 'is-active': condition, | |
| 'has-icon': anotherCondition | |
| }); | |
| return ( | |
| <div className={myComponentClasses}></div> | |
| ) | |
| } |