Function isValidNext

lib/enterprise-server-releases.js:26–33

(v1, v2)

isValidNext(next, nextNext)

function isValidNext(v1, v2) {
  const semverV1 = semver.coerce(v1).raw
  const semverV2 = semver.coerce(v2).raw
  const isValid =
    semverV2 === semver.inc(semverV1, 'minor') || semverV2 === semver.inc(semverV1, 'major')
  if (!isValid)
    throw new Error(`The version "${v2}" is not one version ahead of "${v1}" as expected`)
}

// This indicates the point where we started treating redirect lookups
// to be a *function* rather than a big *lookup object*.