lml-main/packages/cosmo-ui-build/node_modules/postcss-sass/helpers/getCss.js

This is now a mono repository published into many standalone packages.

var fs = require('fs');
var postcss = require('postcss');

module.exports = function (fileName) {
    return postcss.parse(fs.readFileSync(
        './__tests__/css/' + fileName + '.css',
        'utf-8'
        )
    );
};