const onByDefault = [ 'indirectCalls', 'optUnused', 'optTypes', 'ctHash', 'closures', 'lazyObjects' ];

const nameToKey = x => (x === 'secure' ? 'safe' : x).replace(/[a-z]\-[a-z]/g, y => `${y[0]}${y[2].toUpperCase()}`);

const getPrefs = () => {
  const prefs = globalThis.Prefs = {};
  for (const x of onByDefault) prefs[x] = true;

  for (const x of process.argv) {
    if (x[0] !== '-') continue;

    let flag = x.slice(x[1] === '-' ? 2 : 1);
    if (flag.startsWith('no-')) {
      prefs[nameToKey(flag.slice(3))] = false;
    } else {
      const [ name, value ] = flag.split('=');
      prefs[nameToKey(name)] = value ?? true;
    }
  }
};
getPrefs();

export const uncache = () => getPrefs();
globalThis.argvChanged = uncache;