// helper method to search for an argument passed to node app
// rules: arguments must be preceded with '--' characters to be recognized as parameter
// example: node apps.js --port=2134 host=2312 --force ('host' won't be recognized, 'force'
//          will be recognized and returns 'true')

const _findargs = (name) => {
  const args = process.argv.slice(2); const param = args.find((el) => el.startsWith(`--${name}`))
  if (!param) return null
  if (param.indexOf('=') === -1) return 'true'
  return param.replace(`--${name}=`, '')
}

// example usages
server.start({
  host: _findargs('port') || DEFAULT_PORT,
  port: _findargs('host') || DEFAULT_HOST
})