brunch-config.js

module.exports = {
  files: {
    stylesheets: {
      joinTo: {
        'nhsuk.css': /nhsuk.scss/,
        'nhsuk-ie6.css': /nhsuk-ie6.scss/,
        'nhsuk-ie7.css': /nhsuk-ie7.scss/,
        'nhsuk-ie8.css': /nhsuk-ie8.scss/,
        'nhsuk-print.css': /nhsuk-print.scss/,
      },
    },
  },
  plugins: {
    sass: {},
  },
};