infra-sk/pulito/prod/postcss.config.js

// postcss config used in all production webpack.common.js configs.
module.exports = {
  plugins: [
    require('autoprefixer')(),
    require('cssnano')({
      // Since cssnano ToT is at >4, the docs on the website are incorrect
      // as to what is and is not on by default. Further, the names
      // appear to have changed slightly. Until pulito is upgraded to
      // use cssnano 4.0, the best place to look for the real names is
      // https://github.com/cssnano/cssnano/blob/v3.10.0/metadata.toml
      'postcss-reduce-idents': false,
      'postcss-discard-overridden': false,
      'postcss-discard-unused': false,
    }),
  ]
}