index.js

const css_regex = '/\\.css$/'

module.exports = {
  webpackFinal(config = {}, options = {}) {
  const cssRule = config.module.rules.find(_ => _.test.toString() === css_regex)


  return {
    ...config,
    module: {
      ...config.module,
      rules: [
        ...config.module.rules.filter(_ => _.test.toString() !== css_regex),
        {
          ...cssRule,
          exclude: /\.module\.css$/,
        },
        {
          ...cssRule,
          test: /\.module\.css$/,
          use: cssRule.use.map(_ => {
            if (_ && _.loader && _.loader.match(/[\/\\]css-loader/g)) {
              return {
                ..._,
                options: {
                  ..._.options,
                  modules: {
                    localIdentName: "[name]__[local]__[hash:base64:5]",
                  }
                }
              }
            }

            return _
          })
        }
      ]
    }
  }
}
}