aliascss/lib/compilers/stringAndContent.js

AliasCSS is a CSS post processor.

export function string(str, custom) {
    // return string as it is only changes __ to ,
    return str.replace(/^[-]/, '').replace(/__/g, ', ');
}
export default function content(str) {
    // for CSS entities
    if (str.match(/^_/)) {
        return "'" + str.replace('_', ' \\') + "'";
    }
    str = str.replace(/^[-]/, '');
    // attr() or counter()
    const data = str.match(/^(attr|counter)?[-_]([\w-]+)/);
    if (data) {
        if (data[1] === 'attr') {
            return 'attr(' + data[2] + ')';
        }
        if (data[1] === 'counter') {
            return 'counter(' + data[2] + ')';
        }
    }
    // return plain string with quotes
    return '"' + str.replace(/[_]/g, ' ') + '"';
}