Function flag

packages/world-cli/bin/world.js:64–69

(name, dflt = undefined)

const command = args[0];

const flag = (name, dflt = undefined) => {
  const i = args.indexOf(`--${name}`);
  if (i < 0) return dflt;
  const next = args[i + 1];
  return next && !next.startsWith("--") ? next : true;
};
const positional = args.slice(1).filter((a, i, all) => {
  if (a.startsWith("--")) return false;
  const prev = all[i - 1];