function parseArgs()

in deploy.js [60:93]

• 34 lines of code
• 15 McCabe index (conditional complexity)

function parseArgs() {
  var args = process.argv.slice(2);
  var i = 0;
  while (i < args.length) {
    switch(args[i]) {
      case '-h': case '--help':
        usage();
        process.exit(0);
        break;
      case '-r': case '--region':
        region = getArgOrExit(++i, args);
        break;
      case '-b': case '--s3-bucket':
        bucket = getArgOrExit(++i, args);
        break;
      case '-s': case '--stack-name':
        stack = getArgOrExit(++i, args);
        break;
      case '-i': case '--docker-image':
        ecrDockerImageArn = getArgOrExit(++i, args);
        break;
      default:
        console.log(`Invalid argument ${args[i]}`);
        usage();
        process.exit(1);
    }
    ++i;
  }
  if (!stack.trim() || !bucket.trim() || !ecrDockerImageArn.trim()) {
    console.log('Missing required parameters');
    usage();
    process.exit(1);
  }
}