CSS-in-JS? Not yet.

Most of libraries just create stylesheets for you. From pure CSS or pure JS code.

CSS-to-JS

This webpack loader actually converts CSS code into the JavaScript. Not just provide classNames, but wraps everything with client-side CSS-in-JS libraries.

Supported APIs

• Styled-Components

Example

Given css:

.h1 {
    color: #F00;
}
 
.P {
    font-size: 14px;
    color: #0F0;
    --css-to-js-component: div;
}

And JS

import { h1, P } from '!css-to-js-loader!./style.css'
 
// h1 is styled.css
// you can use h1 as mixin
const H1 = styled.div`${h1};`;
 
 
// and P is the real styled-component
const App = () => <P>I am Component!</P>   

Thus allows you to write more modular code. And keep all CSS inside CSS.

mixins

.h {
    font-size: 10px;
}
 
.h1 {
    --css-in-js-mixin: ".h"; /** same as LESS mixins. In css way **/
    color: #F00;
}

Existing CSS libraries.

To manage existing libraries see *-mixins

• styled-components-mixins

Licence

MIT