Rollup plugin to serve the bundle

// rollup.config.js
import serve from '...'

export default {
  input: 'src/main.js',
  output: {
    file: 'dist/bundle.js',
    format: ...
  },
  plugins: [
    serve('dist')
  ]
}

serve('public')    // will be used as contentBase

// Default options
serve({
  // Launch in browser (default: false)
  open: true,

  // Page to navigate to when opening the browser.
  // Will not do anything if open=false.
  // Remember to start with a slash.
  openPage: '/different/page',

  // Show server address in console (default: true)
  verbose: false,

  // Folder to serve files from
  contentBase: '',

  // Multiple folders to serve from
  contentBase: ['dist', 'static'],

  // Set to true to return index.html (200) instead of error page (404)
  historyApiFallback: false,

  // Path to fallback page
  historyApiFallback: '/200.html',

  // Options used in setting up server
  host: 'localhost',
  port: 10001,

  // By default server will be served over HTTP (https: false). It can optionally be served over HTTPS
  https: {
    key: fs.readFileSync('/path/to/server.key'),
    cert: fs.readFileSync('/path/to/server.crt'),
    ca: fs.readFileSync('/path/to/ca.pem')
  },

  //set headers
  headers: {
    'Access-Control-Allow-Origin': '*',
    foo: 'bar'
  },

  // set custom mime types, usage https://github.com/broofa/mime#mimedefinetypemap-force--false
  mimeTypes: {
    'application/javascript': ['js_commonjs-proxy']
  }

  // execute function after server has begun listening
  onListening: function (server) {
    const address = server.address()
    const host = address.address === '::' ? 'localhost' : address.address
    // by using a bound function, we can access options as `this`
    const protocol = this.https ? 'https' : 'http'
    console.log(`Server listening at ${protocol}://${host}:${address.port}/`)
  }
})