Function getArg

tools/scripts/sync-algomooc-index.js:32–36

(name, fallback)

const writeLog = flags.has("--log");

function getArg(name, fallback) {
  const index = args.indexOf(name);
  if (index >= 0 && args[index + 1]) return args[index + 1];
  return fallback;
}

const sourceFile = path.resolve(getArg("--source", process.env.ALGOMOOC_STUDY_INDEX || DEFAULT_SOURCE));
const siteBase = getArg("--site", DEFAULT_SITE).replace(/\/+$/, "");