medium-rebem-9-5.js

/*
.
└── app/
    └── somewhere.js
*/
// js from the last layer, styles from all previous layers
import Button from '#button';
// import Button from 'product-theme/button/index.js';
// import from 'theme-reset/styles.less';
// import from 'product-theme/styles.less';

class SomeAppComponent extends React.Component {
    // ...
    return (
      //...
        <Button
          mix={{ block: 'my-app', elem: 'button' }}
          icon="never-gonna-give-you-up.png"
          onClick={doStuff}>
          {'Click me'}
        </Button>
      //...
    );
}