Function tryGetBetaNumber

script/draft-release/version.ts:13–22

(version: SemVer)

}

function tryGetBetaNumber(version: SemVer): number | null {
  if (isBetaTag(version)) {
    const tag = version.prerelease[0]
    const text = tag.substring(4)
    const betaNumber = parseInt(text, 10)
    return isNaN(betaNumber) ? null : betaNumber
  }

  return null
}

export function getNextVersionNumber(
  version: string,