Function compareVersions

packages/core/api/src/update-check.ts:95–103

(left: string, right: string)

 * either side is not parseable semver.
 */
export const compareVersions = (left: string, right: string): number | null => {
  const lv = parseVersion(left);
  const rv = parseVersion(right);
  if (!lv || !rv) return null;
  if (lv.major !== rv.major) return lv.major < rv.major ? -1 : 1;
  if (lv.minor !== rv.minor) return lv.minor < rv.minor ? -1 : 1;
  if (lv.patch !== rv.patch) return lv.patch < rv.patch ? -1 : 1;
  return comparePrereleaseIdentifiers(lv.prerelease, rv.prerelease);
};

// ── dist-tags resolution ──────────────────────────────────────────────────