Function getUpdateInfo

src/utils/updateCheck.ts:117–128

(
  pkg: string,
  current: string,
)

 * we don't hammer the npm registry on every launch.
 */
export async function getUpdateInfo(
  pkg: string,
  current: string,
): Promise<UpdateInfo> {
  const cached = readCache();
  if (cached && Date.now() - cached.checkedAt < CACHE_TTL_MS) {
    return makeResult(current, cached.latest);
  }
  const latest = await fetchLatestNpmVersion(pkg);
  if (latest !== null) writeCache(latest);
  return makeResult(current, latest);
}

function makeResult(current: string, latest: string | null): UpdateInfo {
  if (latest === null) {