Function parseSemver

src/upgrade/index.ts:157–166

(version: string)

}

export function parseSemver(version: string): Semver | null {
  const m = /^v?(\d+)\.(\d+)\.(\d+)(?:-([0-9A-Za-z.-]+))?/.exec(version.trim());
  if (!m) return null;
  return {
    major: parseInt(m[1]!, 10),
    minor: parseInt(m[2]!, 10),
    patch: parseInt(m[3]!, 10),
    pre: m[4] ?? null,
  };
}

/** Returns >0 if a>b, <0 if a<b, 0 if equal. Throws on unparseable input. */
export function compareVersions(a: string, b: string): number {