I'm in the process of transitioning an outdated website to React, and I'd prefer not to overhaul all the existing CSS files that have already been written. Many elements currently have their styles defined using an id. Is there a workaround to make
className={styles["#topBar"]}# to a . in the CSS directory?
When using CSS Modules, accessing the styles requires a slightly different approach. You should
import styles from 'Component.module.css';styles.MyClass. If you have hyphens in your class names, you'll need to use bracket notation like styles["top-bar"]
Check out this working sandbox
//MyComponent.js
import styles from "./MyComponent.module.css";
export default function MyComponent() {
return (
<div id={styles["top-bar"]}>
<h2>My Component</h2>
<InnerComponent id="inner" />
</div>
);
}
function InnerComponent({ id }) {
return (
<div id={styles[id]}>
<h3>Inner Component</h3>
<p id={styles.para}>Styled Paragraph</p>
</div>
);
}
//MyComponent.module.css
#top-bar {
width: 90vw;
margin: 1rem auto;
padding: 1rem;
text-align: center;
background-color: LightPink;
}
#inner {
background-color: LightBlue;
text-align: left;
}
#para {
color: red;
}
Here's a brief example demonstrating the usage with IDs.
function MyComponent() {
return (
<div id="top-bar">
<h2>My Component</h2>
<InnerComponent id="inner" />
</div>
)
}
function InnerComponent({id}) {
return (
<div id={id}>
<h3>Inner Component</h3>
</div>
)
}
ReactDOM.render(<MyComponent />, document.getElementById('App'));#top-bar {
width: 90vw;
margin: 1rem auto;
padding: 1rem;
text-align:center;
background-color: LightPink;
}
#inner {
background-color: LightBlue;
text-align: left;
}<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>
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