zoro-cli/src/plugins/config-nodelib/generator.js

https://github.com/vuejs/vue-cli

module.exports = ({ api, rootOptions, Types }) => {
  const { type } = rootOptions
  const { nodelib } = Types

  if (type === nodelib) {
    api.render('./template')

    // process pkg main
    api.extendPackage({
      main: 'index.js',
    })
  }
}